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Sample records for play structures constructed

  1. Expressivity in Open-ended Constructive Play: Building and Playing Musical Lego Instruments

    DEFF Research Database (Denmark)

    Jakobsen, Kasper; Stougaard, Jeppe; Petersen, Marianne Graves

    2016-01-01

    This paper presents the findings from a case study in designing for open-ended constructive play for children. The study is based on a workshop where more that 150 children in ages 3-13 built and played their own musical instruments from Lego. The children used different sensors for playing...

  2. Arsenic levels in wipe samples collected from play structures constructed with CCA-treated wood: Impact on exposure estimates

    Energy Technology Data Exchange (ETDEWEB)

    Barraj, Leila M. [Chemical Regulation and Food Safety, Exponent, Inc., Suite 1100, 1150 Connecticut Ave., NW, Washington, DC 20036 (United States)], E-mail: lbarraj@exponent.com; Scrafford, Carolyn G. [Chemical Regulation and Food Safety, Exponent, Inc., Suite 1100, 1150 Connecticut Ave., NW, Washington, DC 20036 (United States); Eaton, W. Cary [RTI International, 3040 Cornwallis Road, Research Triangle Park, NC 27709 (United States); Rogers, Robert E.; Jeng, Chwen-Jyh [Toxcon Health Sciences Research Centre Inc., 9607 - 41 Avenue, Edmonton, Alberta, T6E 5X7 (Canada)

    2009-04-01

    Lumber treated with chromated copper arsenate (CCA) has been used in residential outdoor wood structures and playgrounds. The U.S. EPA has conducted a probabilistic assessment of children's exposure to arsenic from CCA-treated structures using the Stochastic Human Exposure and Dose Simulation model for the wood preservative scenario (SHEDS-Wood). The EPA assessment relied on data from an experimental study using adult volunteers and designed to measure arsenic in maximum hand and wipe loadings. Analyses using arsenic handloading data from a study of children playing on CCA-treated play structures in Edmonton, Canada, indicate that the maximum handloading values significantly overestimate the exposure that occurs during actual play. The objective of our paper is to assess whether the dislodgeable arsenic residues from structures in the Edmonton study are comparable to those observed in other studies and whether they support the conclusion that the values derived by EPA using modeled maximum loading values overestimate hand exposures. We compared dislodgeable arsenic residue data from structures in the playgrounds in the Edmonton study to levels observed in studies used in EPA's assessment. Our analysis showed that the dislodgeable arsenic levels in the Edmonton playground structures are similar to those in the studies used by EPA. Hence, the exposure estimates derived using the handloading data from children playing on CCA-treated structures are more representative of children's actual exposures than the overestimates derived by EPA using modeled maximum values. Handloading data from children playing on CCA-treated structures should be used to reduce the uncertainty of modeled estimates derived using the SHEDS-Wood model.

  3. ConStruct: Improved construction of RNA consensus structures

    Directory of Open Access Journals (Sweden)

    Steger Gerhard

    2008-04-01

    Full Text Available Abstract Background Aligning homologous non-coding RNAs (ncRNAs correctly in terms of sequence and structure is an unresolved problem, due to both mathematical complexity and imperfect scoring functions. High quality alignments, however, are a prerequisite for most consensus structure prediction approaches, homology searches, and tools for phylogeny inference. Automatically created ncRNA alignments often need manual corrections, yet this manual refinement is tedious and error-prone. Results We present an extended version of CONSTRUCT, a semi-automatic, graphical tool suitable for creating RNA alignments correct in terms of both consensus sequence and consensus structure. To this purpose CONSTRUCT combines sequence alignment, thermodynamic data and various measures of covariation. One important feature is that the user is guided during the alignment correction step by a consensus dotplot, which displays all thermodynamically optimal base pairs and the corresponding covariation. Once the initial alignment is corrected, optimal and suboptimal secondary structures as well as tertiary interaction can be predicted. We demonstrate CONSTRUCT's ability to guide the user in correcting an initial alignment, and show an example for optimal secondary consensus structure prediction on very hard to align SECIS elements. Moreover we use CONSTRUCT to predict tertiary interactions from sequences of the internal ribosome entry site of CrP-like viruses. In addition we show that alignments specifically designed for benchmarking can be easily be optimized using CONSTRUCT, although they share very little sequence identity. Conclusion CONSTRUCT's graphical interface allows for an easy alignment correction based on and guided by predicted and known structural constraints. It combines several algorithms for prediction of secondary consensus structure and even tertiary interactions. The CONSTRUCT package can be downloaded from the URL listed in the Availability and

  4. A Theoretical Construct of Serious Play and the Design of a Tangible Social Interface

    Science.gov (United States)

    Jennings, Pamela L.

    To construct is to creatively invent one's world by engaging in creative decision-making, problem solving, and negotiation. The metaphor of construction is used to demonstrate how a simple artifact - a building blockw can be used to facilitate the exploration of personal narratives. This chapter presents an argument for the development of tangible social interfaces and interaction design practices that are informed by the premises of twentieth century philosophical and cultural theories. Specifically, this chapter explores the historical notion of the role of play in constructing a civic society. The constructed narratives' electronic construction kit is introduced as an example of research and development of a critical creative technology built on a wireless ad hoc 802.15.4 network platform. The game is designed to support collaborative play and learning.

  5. MULTIMODAL CONSTRUCTION OF CHILDREN'S ARGUMENTS IN DISPUTES DURING PLAY

    Directory of Open Access Journals (Sweden)

    Rosemberg, Celia Renata

    2013-09-01

    Full Text Available Within the framework of a sociocultural theory of human development and learning (Vigotsky, 2009; Bruner, 1986; Nelson, 1996; Tomasello, 1998, 2003, this paper aims to investigate the multimodal construction of arguments produced by 5 year-old children during disputes in a kindergarten play situation. We considered the juxtaposition of information provided by resources from different semiotic fields (Goodwin, 2000, 2007. The corpus consists of the interactions in a group of children while they play with building blocks. This play situation was videotaped in a kindergarten classroom that is attended by an urban marginalized population of outer Buenos Aires, Argentina. The analysis makes use of the qualitative logic derived from the methodological tools of Conversation Analysis developed in previous research (Goodwin, 2000, 2007; Goodwin and Goodwin, 1990, 2000; Goodwin, Goodwin and Yaeger-Dror, 2002. The results show the different semiotic fields that overlap with the linguistic expression of the arguments or points of view that children maintain while quarrelling during play situations. This demonstrates the importance of attending to intonation, the use of space, the direction of gaze, gestures, and body positioning as they are components that contribute to the argumentative force of the utterances in disputes. These elements emerge as indicators of the emotions that parties experience in disputes which can not be disregarded when attempting to account for how argumentation occurs in real situations of interaction. This paper is written in Spanish.

  6. The differences in physical activity levels in preschool children during free play recess and structured play recess

    Directory of Open Access Journals (Sweden)

    Megan L. Frank

    2018-04-01

    Full Text Available Background/Objective: Physical activity (PA is important in reducing childhood obesity, yet a majority of children are not meeting PA guidelines. Schools have been identified as a place to promote childhood PA. The purpose of this study was to determine the best type of physically active recess period to increase preschool-aged children's PA. Methods: PA was measured via accelerometers in preschool-aged children (n = 29 during three, 30-min recess conditions (control; structured play; free play on separate school days. Tertile splits were performed based on PA during the free play condition and children were divided into three groups: highly, moderately and least active. Results: For the aggregated sample, children were more (p ≤ 0.001 active during the free play (1282 ± 662 counts. min−1 and structured play (1416 ± 448 counts. min−1 recess versus the control condition (570 ± 460 counts. min−1 and activity was not different between the free play and structured conditions. However, children who were the most active during free play (1970 ± 647 counts·min−1 decreased (p ≤ 0.05 activity during structured play (1462 ± 535 counts·min−1, whereas children who were moderately active (1031 ± 112 counts·min−1 or the least (530 ± 239 counts·min−1 active during free play increased activity during structured play (1383 ± 345 counts·min−1 moderately active, 1313 ± 413 counts·min−1 least active. Conclusion: Providing a physically-active recess period will contribute to preschool-aged children meeting the recommended PA guidelines; however, different children may respond in a different way based upon the structure of the recess period.

  7. 25 CFR 900.131 - What role does the Secretary play during the performance of a self-determination construction...

    Science.gov (United States)

    2010-04-01

    ... 25 Indians 2 2010-04-01 2010-04-01 false What role does the Secretary play during the performance... CONTRACTS UNDER THE INDIAN SELF-DETERMINATION AND EDUCATION ASSISTANCE ACT Construction § 900.131 What role does the Secretary play during the performance of a self-determination construction contract? (a) If...

  8. Niche construction game cancer cells play.

    Science.gov (United States)

    Bergman, Aviv; Gligorijevic, Bojana

    2015-10-01

    Niche construction concept was originally defined in evolutionary biology as the continuous interplay between natural selection via environmental conditions and the modification of these conditions by the organism itself. Processes unraveling during cancer metastasis include construction of niches, which cancer cells use towards more efficient survival, transport into new environments and preparation of the remote sites for their arrival. Many elegant experiments were done lately illustrating, for example, the premetastatic niche construction, but there is practically no mathematical modeling done which would apply the niche construction framework. To create models useful for understanding niche construction role in cancer progression, we argue that a) genetic, b) phenotypic and c) ecological levels are to be included. While the model proposed here is phenomenological in its current form, it can be converted into a predictive outcome model via experimental measurement of the model parameters. Here we give an overview of an experimentally formulated problem in cancer metastasis and propose how niche construction framework can be utilized and broadened to model it. Other life science disciplines, such as host-parasite coevolution, may also benefit from niche construction framework adaptation, to satisfy growing need for theoretical considerations of data collected by experimental biology.

  9. Niche construction game cancer cells play

    Science.gov (United States)

    Bergman, Aviv; Gligorijevic, Bojana

    2015-10-01

    Niche construction concept was originally defined in evolutionary biology as the continuous interplay between natural selection via environmental conditions and the modification of these conditions by the organism itself. Processes unraveling during cancer metastasis include construction of niches, which cancer cells use towards more efficient survival, transport into new environments and preparation of the remote sites for their arrival. Many elegant experiments were done lately illustrating, for example, the premetastatic niche construction, but there is practically no mathematical modeling done which would apply the niche construction framework. To create models useful for understanding niche construction role in cancer progression, we argue that a) genetic, b) phenotypic and c) ecological levels are to be included. While the model proposed here is phenomenological in its current form, it can be converted into a predictive outcome model via experimental measurement of the model parameters. Here we give an overview of an experimentally formulated problem in cancer metastasis and propose how niche construction framework can be utilized and broadened to model it. Other life science disciplines, such as host-parasite coevolution, may also benefit from niche construction framework adaptation, to satisfy growing need for theoretical considerations of data collected by experimental biology.

  10. 30 CFR 75.1708-1 - Surface structures; fireproof construction.

    Science.gov (United States)

    2010-07-01

    ... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Surface structures; fireproof construction. 75... Surface structures; fireproof construction. Structures of fireproof construction is interpreted to mean structures with fireproof exterior surfaces. ...

  11. Principles of structural physics in building construction in the Egyptian desert

    Energy Technology Data Exchange (ETDEWEB)

    Awady El Wakil, Shafak El

    1981-12-01

    Building construction in accordance with the climate in oases of the Egyptian desert is discussed. Climatic conditions and the resulting consequences for structural physics play a major role. With the aid of Olgay's comfort diagram, requirements to be made on buildings in various oases are derived from the climatic data of these oases. To optimize the indoor climate, shading, heat storage and ventilation measures are discussed, and suggestions are made on how to make use of this knowledge in consideration of traditional Egyptian architecture.

  12. Approach to Organizational Structure Modelling in Construction Companies

    Directory of Open Access Journals (Sweden)

    Ilin Igor V.

    2016-01-01

    Full Text Available Effective management system is one of the key factors of business success nowadays. Construction companies usually have a portfolio of independent projects running at the same time. Thus it is reasonable to take into account project orientation of such kind of business while designing the construction companies’ management system, which main components are business process system and organizational structure. The paper describes the management structure designing approach, based on the project-oriented nature of the construction projects, and propose a model of the organizational structure for the construction company. Application of the proposed approach will enable to assign responsibilities within the organizational structure in construction projects effectively and thus to shorten the time for projects allocation and to provide its smoother running. The practical case of using the approach also provided in the paper.

  13. Structural brain correlates associated with professional handball playing.

    Science.gov (United States)

    Hänggi, Jürgen; Langer, Nicolas; Lutz, Kai; Birrer, Karin; Mérillat, Susan; Jäncke, Lutz

    2015-01-01

    There is no doubt that good bimanual performance is very important for skilled handball playing. The control of the non-dominant hand is especially demanding since efficient catching and throwing needs both hands. We investigated training-induced structural neuroplasticity in professional handball players using several structural neuroimaging techniques and analytic approaches and also provide a review of the literature about sport-induced structural neuroplastic alterations. Structural brain adaptations were expected in regions relevant for motor and somatosensory processing such as the grey matter (GM) of the primary/secondary motor (MI/supplementary motor area, SMA) and somatosensory cortex (SI/SII), basal ganglia, thalamus, and cerebellum and in the white matter (WM) of the corticospinal tract (CST) and corpus callosum, stronger in brain regions controlling the non-dominant left hand. Increased GM volume in handball players compared with control subjects were found in the right MI/SI, bilateral SMA/cingulate motor area, and left intraparietal sulcus. Fractional anisotropy (FA) and axial diffusivity were increased within the right CST in handball players compared with control women. Age of handball training commencement correlated inversely with GM volume in the right and left MI/SI and years of handball training experience correlated inversely with radial diffusivity in the right CST. Subcortical structures tended to be larger in handball players. The anatomical measures of the brain regions associated with handball playing were positively correlated in handball players, but not interrelated in control women. Training-induced structural alterations were found in the somatosensory-motor network of handball players, more pronounced in the right hemisphere controlling the non-dominant left hand. Correlations between handball training-related measures and anatomical differences suggest neuroplastic adaptations rather than a genetic predisposition for a ball playing

  14. Structural brain correlates associated with professional handball playing.

    Directory of Open Access Journals (Sweden)

    Jürgen Hänggi

    Full Text Available There is no doubt that good bimanual performance is very important for skilled handball playing. The control of the non-dominant hand is especially demanding since efficient catching and throwing needs both hands.We investigated training-induced structural neuroplasticity in professional handball players using several structural neuroimaging techniques and analytic approaches and also provide a review of the literature about sport-induced structural neuroplastic alterations. Structural brain adaptations were expected in regions relevant for motor and somatosensory processing such as the grey matter (GM of the primary/secondary motor (MI/supplementary motor area, SMA and somatosensory cortex (SI/SII, basal ganglia, thalamus, and cerebellum and in the white matter (WM of the corticospinal tract (CST and corpus callosum, stronger in brain regions controlling the non-dominant left hand.Increased GM volume in handball players compared with control subjects were found in the right MI/SI, bilateral SMA/cingulate motor area, and left intraparietal sulcus. Fractional anisotropy (FA and axial diffusivity were increased within the right CST in handball players compared with control women. Age of handball training commencement correlated inversely with GM volume in the right and left MI/SI and years of handball training experience correlated inversely with radial diffusivity in the right CST. Subcortical structures tended to be larger in handball players. The anatomical measures of the brain regions associated with handball playing were positively correlated in handball players, but not interrelated in control women.Training-induced structural alterations were found in the somatosensory-motor network of handball players, more pronounced in the right hemisphere controlling the non-dominant left hand. Correlations between handball training-related measures and anatomical differences suggest neuroplastic adaptations rather than a genetic predisposition for a

  15. Structural Brain Correlates Associated with Professional Handball Playing

    Science.gov (United States)

    Hänggi, Jürgen; Langer, Nicolas; Lutz, Kai; Birrer, Karin; Mérillat, Susan; Jäncke, Lutz

    2015-01-01

    Background There is no doubt that good bimanual performance is very important for skilled handball playing. The control of the non-dominant hand is especially demanding since efficient catching and throwing needs both hands. Methodology/Hypotheses We investigated training-induced structural neuroplasticity in professional handball players using several structural neuroimaging techniques and analytic approaches and also provide a review of the literature about sport-induced structural neuroplastic alterations. Structural brain adaptations were expected in regions relevant for motor and somatosensory processing such as the grey matter (GM) of the primary/secondary motor (MI/supplementary motor area, SMA) and somatosensory cortex (SI/SII), basal ganglia, thalamus, and cerebellum and in the white matter (WM) of the corticospinal tract (CST) and corpus callosum, stronger in brain regions controlling the non-dominant left hand. Results Increased GM volume in handball players compared with control subjects were found in the right MI/SI, bilateral SMA/cingulate motor area, and left intraparietal sulcus. Fractional anisotropy (FA) and axial diffusivity were increased within the right CST in handball players compared with control women. Age of handball training commencement correlated inversely with GM volume in the right and left MI/SI and years of handball training experience correlated inversely with radial diffusivity in the right CST. Subcortical structures tended to be larger in handball players. The anatomical measures of the brain regions associated with handball playing were positively correlated in handball players, but not interrelated in control women. Discussion/Conclusion Training-induced structural alterations were found in the somatosensory-motor network of handball players, more pronounced in the right hemisphere controlling the non-dominant left hand. Correlations between handball training-related measures and anatomical differences suggest neuroplastic

  16. Computational methods for constructing protein structure models from 3D electron microscopy maps.

    Science.gov (United States)

    Esquivel-Rodríguez, Juan; Kihara, Daisuke

    2013-10-01

    Protein structure determination by cryo-electron microscopy (EM) has made significant progress in the past decades. Resolutions of EM maps have been improving as evidenced by recently reported structures that are solved at high resolutions close to 3Å. Computational methods play a key role in interpreting EM data. Among many computational procedures applied to an EM map to obtain protein structure information, in this article we focus on reviewing computational methods that model protein three-dimensional (3D) structures from a 3D EM density map that is constructed from two-dimensional (2D) maps. The computational methods we discuss range from de novo methods, which identify structural elements in an EM map, to structure fitting methods, where known high resolution structures are fit into a low-resolution EM map. A list of available computational tools is also provided. Copyright © 2013 Elsevier Inc. All rights reserved.

  17. "It's a hurricane! it's a hurricane!": can music facilitate social constructive and sociodramatic play in a preschool classroom?

    Science.gov (United States)

    Love, Angela; Burns, M Susan

    2006-12-01

    Sustaining attention and successfully engaging with others in collaborative play are important accomplishments focused on in preschool classrooms and childcare centers. In addition, music is frequently used in early childhood classrooms, and even recommended as an environmental feature to motivate and regulate children's behavior. Although pretend play provides appealing opportunities for developing these social abilities, no studies to date have explored the use of music as a tool to motivate and sustain constructive and social pretend play. Results from the current study indicate that within 1 preschool classroom, more sustained play (with fewer interruptions) occurred when music played as compared to when no music played in the background. In addition, significantly more dyadic play occurred when slower music played in the background, than when no music played.

  18. The relation between early constructive play and mathematical word problem solving is mediated by spatial ability. A path analysis in sixth grade students.

    NARCIS (Netherlands)

    Oostermeijer, M.; Boonen, A.J.H.; Jolles, J.

    2014-01-01

    The scientific literature shows that constructive play activities are positively related to children's spatial ability. Likewise, a close positive relation is found between spatial ability and mathematical word problem-solving performances. The relation between children's constructive play and their

  19. Disruptive Effects of Colorful versus Non-Colorful Play Area on Structured Play – a Pilot Study with Preschoolers

    Directory of Open Access Journals (Sweden)

    Keren Stern-Ellran

    2016-10-01

    Full Text Available To contribute to young children's development, sensory enrichment is often provided via colorful play areas. However, little is known about the effects of colorful environments on children while they engage in age-appropriate tasks and games. Studies in adults suggest that aspects of color can distract attention and impair performance, and children are known to have less developed attentional and executive abilities than adults. Preliminary studies conducted in children aged 5-8 suggest that the colorfulness of both distal (e.g., wall decorations and proximal (e.g., the surface of the desktop environments can have a disruptive effect on children's performance. The present research seeks to extend the previous studies to an even younger age group and focus on proximal colorfulness. With a sample of 15 pre-schoolers (3-4 years old we examined whether a colorful play surface compared to a non-colorful (white play surface would affect engagement in developmentally appropriate structured play. Our pilot findings suggest that a colorful play surface interfered with preschoolers' structured play, inducing more behaviors indicating disruption in task execution compared with a non-colorful play surface. The implications of the current study for practice and further research are discussed.

  20. Precarious Play: To Be or Not to Be Stanley

    OpenAIRE

    de Wildt, Lars

    2014-01-01

    Modern game scholarship in the past two decades has known two dominant, yet paradoxical, tendencies in theorizing the subject of play: an interpellationary account and a deconstructivist one. Going from Miguel Sicart's concept of the ethical player as an initial compromise between the two, this article argues for an ideological subject of play that is a split subject. While a 'playing subject', as a phenomenologically present Foucaultian subject constructed by the governing structure of rules...

  1. The Role of Structural Characteristics in Problematic Video Game Play: An Empirical Study

    Science.gov (United States)

    King, Daniel L.; Delfabbro, Paul H.; Griffiths, Mark D.

    2011-01-01

    The research literature suggests that the structural characteristics of video games may play a considerable role in the initiation, development and maintenance of problematic video game playing. The present study investigated the role of structural characteristics in video game playing behaviour within a sample of 421 video game players aged…

  2. Imagination, Playfulness, and Creativity in Children's Play with Different Toys

    Science.gov (United States)

    Mo????ller, Signe?? Juhl?

    2015-01-01

    Based on a four-month experimental study of preschool children's play with creative-construction and social-fantasy toys, the author examines the in?uence of both types of toys on the play of preschool children. Her comparative analysis considers the impact of transformative play on the development of imagination during play activities and…

  3. The role of structural characteristics in problem video game playing: a review

    OpenAIRE

    King, DL; Delfabbro, PH; Griffiths, MD

    2010-01-01

    The structural characteristics of video games may play an important role in explaining why some people play video games to excess. This paper provides a review of the literature on structural features of video games and the psychological experience of playing video games. The dominant view of the appeal of video games is based on operant conditioning theory and the notion that video games satisfy various needs for social interaction and belonging. However, there is a lack of experimental and ...

  4. Additive Construction with Mobile Emplacement (ACME) / Automated Construction of Expeditionary Structures (ACES) Materials Delivery System (MDS)

    Science.gov (United States)

    Mueller, R. P.; Townsend, I. I.; Tamasy, G. J.; Evers, C. J.; Sibille, L. J.; Edmunson, J. E.; Fiske, M. R.; Fikes, J. C.; Case, M.

    2018-01-01

    The purpose of the Automated Construction of Expeditionary Structures, Phase 3 (ACES 3) project is to incorporate the Liquid Goods Delivery System (LGDS) into the Dry Goods Delivery System (DGDS) structure to create an integrated and automated Materials Delivery System (MDS) for 3D printing structures with ordinary Portland cement (OPC) concrete. ACES 3 is a prototype for 3-D printing barracks for soldiers in forward bases, here on Earth. The LGDS supports ACES 3 by storing liquid materials, mixing recipe batches of liquid materials, and working with the Dry Goods Feed System (DGFS) previously developed for ACES 2, combining the materials that are eventually extruded out of the print nozzle. Automated Construction of Expeditionary Structures, Phase 3 (ACES 3) is a project led by the US Army Corps of Engineers (USACE) and supported by NASA. The equivalent 3D printing system for construction in space is designated Additive Construction with Mobile Emplacement (ACME) by NASA.

  5. Quality Control of Concrete Structure For APR1400 Construction

    International Nuclear Information System (INIS)

    Seo, Inseop; Song, Changhak; Kim, Duill

    2012-01-01

    Nuclear structure shall be constructed to protect internal facilities in the normal operation against external accidents such as the radiation shielding, earthquakes and to be leak-proof of radioactive substances to the external environment in case of loss of coolants. containment and auxiliary building of nuclear power plants are built in reinforced concrete structures to maintain these protection functions. Nuclear structures shall be designed to ensure soundness in operation since they are located on the waterfront where is easy do drain the cooling water and so deterioration and damage of concrete structures caused by seawater can occur. Durability is ensured for concrete structures of APR1400, a Korea standard NPP, in compliance with all safety requirements. In particular, owners perform quality control directly on the production and pouring of cast in place concrete for the concrete structure construction to make sure concrete structures established with quality homogeneity and durability. This report is to look into the quality control standard and management status of cast in place concrete for APR1400 construction

  6. Play and Gameful Movies: Ludification of Modern Cinema

    DEFF Research Database (Denmark)

    Larsen, Lasse Juel

    2017-01-01

    The aim of this article is to advance a conceptual framework of ludification by separating out current thinking to incorporate two non-interactive cinematic areas – playful aesthetics and gameful narratives. Ludification is usually associated with the construction of ludic identities and cultural...... and transform the narrative compositional structures of modern cinema. The present study’s investigation will present an expanded conceptualisation of ludification, classified by playfulness and gamefulness through interactive/non-interactive properties, aesthetic expressions, and narrative compositions under...

  7. Play in two societies: pervasiveness of process, specificity of structure.

    Science.gov (United States)

    Bornstein, M H; Haynes, O M; Pascual, L; Painter, K M; Galperín, C

    1999-01-01

    The present study compared Argentine (N = 39) and U.S. (N = 43) children and their mothers on exploratory, symbolic, and social play and interaction when children were 20 months of age. Patterns of cultural similarity and difference emerged. In both cultures, boys engaged in more exploratory play than girls, and girls engaged in more symbolic play than boys; mothers of boys engaged in more exploratory play than mothers of girls, and mothers of girls engaged in more symbolic play than mothers of boys. Moreover, in both cultures, individual variation in children's exploratory and symbolic play was specifically associated with individual variation in mothers' exploratory and symbolic play, respectively. Between cultures, U.S. children and their mothers engaged in more exploratory play, whereas Argentine children and their mothers engaged in more symbolic play. Moreover, Argentine mothers exceeded U.S. mothers in social play and verbal praise of their children. During an early period of mental and social growth, general developmental processes in play may be pervasive, but dyadic and cultural structures are apparently specific. Overall, Argentine and U.S. dyads utilized different modes of exploration, representation, and interaction--emphasizing "other-directed" acts of pretense versus "functional" and "combinatorial" exploration, for example--and these individual and dyadic allocentric versus idiocentric stresses accord with larger cultural concerns of collectivism versus individualism in the two societies.

  8. Constructal vascularized structures

    Science.gov (United States)

    Cetkin, Erdal

    2015-06-01

    Smart features such as self-healing and selfcooling require bathing the entire volume with a coolant or/and healing agent. Bathing the entire volume is an example of point to area (or volume) flows. Point to area flows cover all the distributing and collecting kinds of flows, i.e. inhaling and exhaling, mining, river deltas, energy distribution, distribution of products on the landscape and so on. The flow resistances of a point to area flow can be decreased by changing the design with the guidance of the constructal law, which is the law of the design evolution in time. In this paper, how the flow resistances (heat, fluid and stress) can be decreased by using the constructal law is shown with examples. First, the validity of two assumptions is surveyed: using temperature independent Hess-Murray rule and using constant diameter ducts where the duct discharges fluid along its edge. Then, point to area types of flows are explained by illustrating the results of two examples: fluid networks and heating an area. Last, how the structures should be vascularized for cooling and mechanical strength is documented. This paper shows that flow resistances can be decreased by morphing the shape freely without any restrictions or generic algorithms.

  9. Learning by Playing with Digital Technology

    DEFF Research Database (Denmark)

    Benjaminsen, Nana

    2006-01-01

    This paper presupposes the notion that there is potential for the integration of play into primary and secondary school activities, because it can stimulate and support the formal as well as informal learning that takes place in school. Digital technology could be a driver for this integration...... Construction Games in Schools. The project is an exploration of how elements of play can be integrated in a technology-based learning environment. I will use examples of empirical data gathered during spring 2006 to demonstrate that play can function as a useful learning strategy, and also point out barriers......, because many of children's play activities already takes place on, and through, digital platforms. The focus for this paper is on how playorientated environmental qualities can be used and might change the current school structure. The background for the paper is the PhD project entitled Computer based...

  10. Construction of a superconducting RFQ structure

    International Nuclear Information System (INIS)

    Shepard, K.W.; Kennedy, W.L.; Crandall, K.R.

    1993-01-01

    This paper reports the design and construction status of a niobium superconducting RFQ operating at 194 MHz. The structure is of the rod and post type, novel in that each of four rods is supported by two posts oriented radially with respect to the beam axis. Although the geometry has four-fold rotation symmetry, the dipole-quadrupole mode splitting is large, giving good mechanical tolerances. The simplicity of the geometry enables designing for good mechanical stability while minimizing tooling costs for fabrication with niobium. Design details of a prototype niobium resonator, results of measurements on room temperature models, and construction status are discussed

  11. Construction of a superconducting RFQ structure

    Energy Technology Data Exchange (ETDEWEB)

    Shepard, K.W.; Kennedy, W.L. [Argonne National Lab., IL (United States); Crandall, K.R. [AccSys Technology, Inc., Pleasanton, CA (United States)

    1993-07-01

    This paper reports the design and construction status of a niobium superconducting RFQ operating at 194 MHz. The structure is of the rod and post type, novel in that each of four rods is supported by two posts oriented radially with respect to the beam axis. Although the geometry has four-fold rotation symmetry, the dipole-quadrupole mode splitting is large, giving good mechanical tolerances. The simplicity of the geometry enables designing for good mechanical stability while minimizing tooling costs for fabrication with niobium. Design details of a prototype niobium resonator, results of measurements on room temperature models, and construction status are discussed.

  12. An overview of structural characteristics in problematic video game playing

    OpenAIRE

    Griffiths, MD; Nuyens, F

    2017-01-01

    Purpose of Review: There are many different factors involved in how and why people develop problems with video game playing. One such set of factors concerns the structural characteristics of video games (i.e., the structure, elements, and components of the video games themselves). Much of the research examining the structural characteristics of video games was initially based on research and theorizing from the gambling studies field. The present review briefly overviews the key papers in th...

  13. Electrochemical construction of micro–nano spongelike structure on titanium substrate for enhancing corrosion resistance and bioactivity

    International Nuclear Information System (INIS)

    Jiang, Pinliang; Lin, Longxiang; Zhang, Fan; Dong, Xiang; Ren, Lei; Lin, Changjian

    2013-01-01

    Highlights: • A hierarchical micro–nano spongelike TiO 2 layer was constructed on Ti substrate. • The micro–nano TiO 2 surface presented good corrosion resistance. • Excellent biomineration ability was observed on such micro–nano TiO 2 layer. • Superior MG63 cell viability was discerned on the micro–nano structured surface. -- Abstract: Surface structures of medical implants generally play a crucial role in tissue growth and healing while implanted into a living body. The surface design and modification of implants can effectively promote its biocompatibility and integration ability. In this study, a hierarchically superhydrophilic structure on titanium surface with a nano-spongelike titania layer on the micro-roughened titanium surface was constructed through dual acid etching and electrochemical treatments. It is shown that the structure of micro/nano-spongelike TiO 2 provides not only better corrosion resistance and less oxygen vacancies, but also much higher ability of biomineralization after immersion in simulated body fluid (SBF) for 14 days. It is evident, by the cell culture for the different samples, that the micro–nano spongelike structured surface on Ti significantly promotes human osteoblast-like MG63 cell attachment and proliferation. All evaluations of electrochemical behavior and biological responses in this study indicate that the micro/nano-spongelike structure on Ti surface is of excellent chemical stability, bioactivity as well as biocompatibility for biomedical implant applications

  14. An Overview of Structural Characteristics in Problematic Video Game Playing.

    Science.gov (United States)

    Griffiths, Mark D; Nuyens, Filip

    2017-01-01

    There are many different factors involved in how and why people develop problems with video game playing. One such set of factors concerns the structural characteristics of video games (i.e., the structure, elements, and components of the video games themselves). Much of the research examining the structural characteristics of video games was initially based on research and theorizing from the gambling studies field. The present review briefly overviews the key papers in the field to date. The paper examines a number of areas including (i) similarities in structural characteristics of gambling and video gaming, (ii) structural characteristics in video games, (iii) narrative and flow in video games, (iv) structural characteristic taxonomies for video games, and (v) video game structural characteristics and game design ethics. Many of the studies carried out to date are small-scale, and comprise self-selected convenience samples (typically using self-report surveys or non-ecologically valid laboratory experiments). Based on the small amount of empirical data, it appears that structural features that take a long time to achieve in-game are the ones most associated with problematic video game play (e.g., earning experience points, managing in-game resources, mastering the video game, getting 100% in-game). The study of video games from a structural characteristic perspective is of benefit to many different stakeholders including academic researchers, video game players, and video game designers, as well as those interested in prevention and policymaking by making the games more socially responsible. It is important that researchers understand and recognize the psycho-social effects and impacts that the structural characteristics of video games can have on players, both positive and negative.

  15. Play and playfulness in early childhood education and care.

    Directory of Open Access Journals (Sweden)

    Singer E.

    2015-06-01

    Full Text Available Play and playfulness are basic features in early childhood education. The elements of play are pleasure, a sense of freedom, and the co-construction of shared meaning through the use of rules or rhythms. Play and learning are closely related in early childhood. But when the focus on the educational benefits of play becomes too strong, the most essential feature of play is lost: children’s pleasure. Young children in group settings often have to adapt to the teachers’ demands related to security, hygiene, and social norms and values. But the playfulness of the teachers helps to overcome differences in power in the caregiver-child relationship and prevents young children from becoming overburdened with strict rules and group discipline. Play and playfulness are a resource of shared pleasure and creativity in learning processes.

  16. Additive Manufacturing of Biomedical Constructs with Biomimetic Structural Organizations.

    Science.gov (United States)

    Li, Xiao; He, Jiankang; Zhang, Weijie; Jiang, Nan; Li, Dichen

    2016-11-09

    Additive manufacturing (AM), sometimes called three-dimensional (3D) printing, has attracted a lot of research interest and is presenting unprecedented opportunities in biomedical fields, because this technology enables the fabrication of biomedical constructs with great freedom and in high precision. An important strategy in AM of biomedical constructs is to mimic the structural organizations of natural biological organisms. This can be done by directly depositing cells and biomaterials, depositing biomaterial structures before seeding cells, or fabricating molds before casting biomaterials and cells. This review organizes the research advances of AM-based biomimetic biomedical constructs into three major directions: 3D constructs that mimic tubular and branched networks of vasculatures; 3D constructs that contains gradient interfaces between different tissues; and 3D constructs that have different cells positioned to create multicellular systems. Other recent advances are also highlighted, regarding the applications of AM for organs-on-chips, AM-based micro/nanostructures, and functional nanomaterials. Under this theme, multiple aspects of AM including imaging/characterization, material selection, design, and printing techniques are discussed. The outlook at the end of this review points out several possible research directions for the future.

  17. Portmanteau constructions, phrase structure and linearization

    Directory of Open Access Journals (Sweden)

    Brian Hok-Shing Chan

    2015-12-01

    Full Text Available In bilingual code-switching which involves language-pairs with contrasting head-complement orders (i.e. head-initial vs head-final, a head may be lexicalized from both languages with its complement sandwiched in the middle. These so-called portmanteau sentences (Nishimura, 1985, 1986; Sankoff, Poplack, and Vanniarajan, 1990, etc. have been attested for decades, but they had never received a systematic, formal analysis in terms of current syntactic theory before a few recent attempts (Hicks, 2010, 2012. Notwithstanding this lack of attention, these structures are in fact highly relevant to theories of linearization and phrase structure. More specifically, they challenge binary-branching (Kayne, 1994, 2004, 2005 as well as the Antisymmetry hypothesis (ibid.. Not explained by current grammatical models of code-switching, including the Equivalence Constraint (Poplack, 1980, the Matrix Language Frame Model (Myers-Scotton, 1993, 2002, etc., and the Bilingual Speech Model (Muysken, 2000, 2013, the portmanteau construction indeed looks uncommon or abnormal, defying any systematic account. However, the recurrence of these structures in various datasets and constraints on them do call for an explanation. This paper suggests an account which lies with syntax and also with the psycholinguistics of bilingualism. Assuming that linearization is a process at the Sensori-Motor (SM interface (Chomsky, 2005; 2013, this paper sees that word order is not fixed in a syntactic tree but it is set in the production process, and much information of word order rests in the processor, for instance, outputting a head before its complement (i.e. head-initial word order or the reverse (i.e. head-final word order. As for the portmanteau construction, it is the output of bilingual speakers co-activating two sets of head-complement orders which summon the phonetic forms of the same word in both languages. Under this proposal, the underlying structure of a portmanteau

  18. Portmanteau Constructions, Phrase Structure, and Linearization.

    Science.gov (United States)

    Chan, Brian Hok-Shing

    2015-01-01

    In bilingual code-switching which involves language-pairs with contrasting head-complement orders (i.e., head-initial vs. head-final), a head may be lexicalized from both languages with its complement sandwiched in the middle. These so-called "portmanteau" sentences (Nishimura, 1985, 1986; Sankoff et al., 1990, etc.) have been attested for decades, but they had never received a systematic, formal analysis in terms of current syntactic theory before a few recent attempts (Hicks, 2010, 2012). Notwithstanding this lack of attention, these structures are in fact highly relevant to theories of linearization and phrase structure. More specifically, they challenge binary-branching (Kayne, 1994, 2004, 2005) as well as the Antisymmetry hypothesis (ibid.). Not explained by current grammatical models of code-switching, including the Equivalence Constraint (Poplack, 1980), the Matrix Language Frame Model (Myers-Scotton, 1993, 2002, etc.), and the Bilingual Speech Model (Muysken, 2000, 2013), the portmanteau construction indeed looks uncommon or abnormal, defying any systematic account. However, the recurrence of these structures in various datasets and constraints on them do call for an explanation. This paper suggests an account which lies with syntax and also with the psycholinguistics of bilingualism. Assuming that linearization is a process at the Sensori-Motor (SM) interface (Chomsky, 2005, 2013), this paper sees that word order is not fixed in a syntactic tree but it is set in the production process, and much information of word order rests in the processor, for instance, outputting a head before its complement (i.e., head-initial word order) or the reverse (i.e., head-final word order). As for the portmanteau construction, it is the output of bilingual speakers co-activating two sets of head-complement orders which summon the phonetic forms of the same word in both languages. Under this proposal, the underlying structure of a portmanteau construction is as simple as an

  19. Construction of a superconducting RFQ structure

    International Nuclear Information System (INIS)

    Shepard, K.W.; Givens, J.; Potter, J.M.

    1994-01-01

    This paper reports the development status of a niobium superconducting RFQ operating at 194 Mhz. The structure is of the rod and post type, novel in that each of four rods is supported by two posts oriented radially with respect to the beam axis. Although the geometry has four-fold rotation symmetry, the dipole-quadrupole mode splitting is large, giving good mechanical tolerances. The length of the structure is 52 cm, and the vanes are modulated to enable tests with an ion beam. The construction of a prototype niobium resonator is described

  20. The Effect of Structured Divergent Prompts on Knowledge Construction

    Science.gov (United States)

    Howell, Ginger S.; Akpanudo, Usenime; Chen, Mengyi; Sutherlin, Autumn L.; James, Laura E.

    2014-01-01

    Discussion forums are a widely used activity in online courses. However, knowledge construction within online discussion rarely reaches higher levels. Therefore, it is important to understand which aspects of online discussion encourage learning and increase knowledge construction. This paper investigates the effect three Structured Divergent…

  1. Coal structure construction system with construction knowledge and partial energy evaluation; Kochiku chishiki to bubunteki energy hyoka ni yoru sekitan bunshi kozo kochiku system

    Energy Technology Data Exchange (ETDEWEB)

    Okawa, T.; Sasai, T.; Komoda, N. [Osaka University, Osaka (Japan). Faculty of Engineering

    1996-10-28

    The computer aided coal structure construction system is proposed, and a computational construction example is presented. The coal structure construction engine of this system fabricates molecular structure by connecting fragments sequentially inputted through a user interface. The best structure candidate is determined using construction knowledge and partial energy evaluation every addition of one fragment, and this process is subsequently repeated. The structure evaluation engine analyzes the 3-D conformation candidate by molecular dynamics, and evaluates the conformation by determining the energy value of an optimum structure. As an example, this system was applied to construction of coal molecular structure based on the actual data of partial structure composed of 26 structures from 2l kinds of aromatic cluster structures, 27 bonds from 2 kinds of bridged bonds, and 16 groups from 2 kinds of terminal substitutional groups. As a result, this system could construct a superior structure according to expert knowledge from the viewpoint of energy. 6 refs., 5 figs., 2 tabs.

  2. Precarious Play: To Be or Not to Be Stanley

    Directory of Open Access Journals (Sweden)

    Lars A.W.J. de Wildt

    2014-11-01

    Full Text Available Modern game scholarship in the past two decades has known two dominant, yet paradoxical, tendencies in theorizing the subject of play: an interpellationary account and a deconstructivist one. Going from Miguel Sicart's concept of the ethical player as an initial compromise between the two, this article argues for an ideological subject of play that is a split subject. While a 'playing subject', as a phenomenologically present Foucaultian subject constructed by the governing structure of rules, we must recognize the parallel subjectivity of the fixed 'played subject', inherent to – and narrativized by – the game as an avatar, visual narrator or sheer content. In this constellation, the player shows to have a merely precarious position over the played, ready to lose control at the whim of the game.

  3. A large-scale soil-structure interaction experiment: Design and construction

    International Nuclear Information System (INIS)

    Tang, H.T.; Tang, Y.K.; Stepp, J.C.; Wall, I.B.; Lin, E.; Cheng, S.C.; Lee, S.K.

    1989-01-01

    This paper describes the design and construction phase of the Large-Scale Soil-Structure Interaction Experiment project jointly sponsored by EPRI and Taipower. The project has two objectives: 1. to obtain an earthquake database which can be used to substantiate soil-structure interaction (SSI) models and analysis methods; and 2. to quantify nuclear power plant reactor containment and internal components seismic margin based on earthquake experience data. These objectives were accomplished by recording and analyzing data from two instrumented, scaled down, reinforced concrete containment structures during seismic events. The two model structures are sited in a high seismic region in Taiwan (SMART-1). A strong-motion seismic array network is located at the site. The containment models (1/4- and 1/12-scale) were constructed and instrumented specially for this experiment. Construction was completed and data recording began in September 1985. By November 1986, 18 strong motion earthquakes ranging from Richter magnitude 4.5 to 7.0 were recorded. (orig./HP)

  4. Role to Be Played by Independent Geotechnical Supervision in the Foundation for Bridge Construction

    Science.gov (United States)

    Sobala, Dariusz; Rybak, Jarosław

    2017-10-01

    Some remarks concerning the necessity of employing an independent and over all ethical geotechnical survey were presented in the paper. Starting from the design phase, through the whole construction process, the importance of geotechnical engineer is stated in legal acts. Numerous testing technologies serve for the calibration of geotechnical technologies and allow for confirming the quality and capacity of piles. Special emphasis was payed to the involvement of scientifical and research institutions which can not only serve services but also can postprocess and methodize collected data. Such databases enable for new codes, methods and recommendations. Selection of deep foundations for bridge-type structures is most often dependent on complex geotechnical conditions, concentrated loads and constraints for pier displacements. Besides the last ones, prior to more common introduction of the design-construct system, could be a convenient justification for design engineer, who imposed deep foundation because he did not want or was not able to estimate the effect of pier settlement on civil engineering structure. The paper provides some notes about the need to engage a geotechnical supervising service of high competency and ethical quality during engineering and construction stages of foundations for bridge-type structures where legal requirements are of special consideration. Successive stages of projects are reviewed and research methods used for current calibration of geotechnical technologies and verification of geotechnical work quality are analysed. Special attention is given to potential involvement of independent R&D institutions which, apart from rendering specific services, also collect and systemize the research results thus enabling, in the long term, to revise engineering standards, instructions and guidelines.

  5. Structural characterization and monitoring of heritage constructions: contributions of IC-LESE-FEUP

    International Nuclear Information System (INIS)

    Arêde, Antonio; Varum, Humberto; Vila-Pouca, Nelson; Guedes, João; Romão, Xavier; Paupério, Esmeralda; Cosa, Anibal

    2016-01-01

    The need for interventions in heritage constructions often calls for deciding whether the structure can be kept in the existing conditions or should it be retrofitted by introducing more or less significant modifications. Still, sustainable interventions in heritage constructions can only be achieved if there is adequate knowledge about their state of conservation. To obtain such knowledge, reliable structural survey and diagnosis procedures need to be employed. In this context, structural monitoring can be particularly helpful in cases where the information obtained from the structural survey or from other stages of the analysis is insufficient to establish a final diagnosis. Over the last 15 years, the Construction Institute (IC) and the Laboratory for Earthquake and Structural Engineering (LESE) of the Faculty of Engineering of the University of Porto (FEUP) were involved in the survey and monitoring activities o f numerous heritage structures for private institutions as well as for governmental stake-holders managing cultural heritage in Portugal. This work describes the structural survey/diagnosis and the monitoring systems supporting the decision about the need for interventions for three heritage constructions .

  6. Modelling verb selection within argument structure constructions

    NARCIS (Netherlands)

    Matusevych, Yevgen; Alishahi, Afra; Backus, Albert

    2017-01-01

    This article looks into the nature of cognitive associations between verbs and argument structure constructions (ASCs). Existing research has shown that distributional and semantic factors affect speakers' choice of verbs in ASCs. A formal account of this theory has been proposed by Ellis,

  7. Playing life away: Videogames and personality structure.

    Directory of Open Access Journals (Sweden)

    Leones do Couto G.

    2014-09-01

    Full Text Available This study aims to fill a gap in the current research on the personality organization of frequent videogame users. The scientific literature in this area refers only to the existence of risk factors that increase the likelihood of abusing videogames and their negative consequences on the mental health of users (Gentile et al., 2011; Lemmens, Valkenburg, & Peter, 2011; Rehbein & Baier, 2013. In this study, a sample of patients who reported spending an excessive amount of their time playing videogames were recruited from Instituto Quintino Aires–Lisbon/Oporto and took the Rorschach Personality Test (Exner, 1993, 1995. Two other samples—one consisting of patients who reported not playing videogames, and the other of patients who were discharged from the institution after psychotherapy—also took part in the study. The patients in the first sample revealed less exposure to the relational sources of stress that are necessary for socioemotional development and less interest in others than did patients in the other samples. Other results regarding the personality structure of the subjects in the three samples are compared and discussed in light of cultural-historical psychology.

  8. Design and construction of multi-port solid state structure for the Rhodotron accelerator

    International Nuclear Information System (INIS)

    Poursaleh, A.M.; Jabbari, I.; Khalafi, H.

    2017-01-01

    RF generation and method used for coupling power to the acceleration cavity are important issues in the RF accelerators. In this study, a high power vacuum tube was replaced with several medium power solid state amplifiers coupled through a multi-port structure in the Rhodotron-TT200 accelerator. To this end, a multi-port structure was implemented on a small aluminum model cavity for 1 to 9 ports and all main parameters affecting return loss, quality factor, coupling coefficient and RF power were investigated by calculation, simulation and experimental tests. Then, three 20 kW solid state amplifiers were designed and constructed. The outputs of these amplifiers were coupled to the Rhodotron acceleration cavity by three input ports based on the results obtained from the model cavity for generation of 5 MeV electron beam. In this method, several smaller amplifiers were used instead of a single high power amplifier. As such, acceleration cavity plays the role of power combiner in addition to its primary role and there is no need to a high power combiner. The results showed that the number of ports, port positions, angle between ports and phase of input signals, significantly affect the acceleration electrical field in the cavity. Also, experimental tests revealed that three constructed RF power supplies are enough for the generation of 5 MeV electron beam in the Rhodotron accelerator. Considering the advantages of the solid state amplifiers, application of multi-port structure and solid state amplifiers could be expanded in the industrial electron accelerators.

  9. Protection of Workers and Third Parties during the Construction of Linear Structures

    Science.gov (United States)

    Vlčková, Jitka; Venkrbec, Václav; Henková, Svatava; Chromý, Adam

    2017-12-01

    The minimization of risk in the workplace through a focus on occupational health and safety (OHS) is one of the primary objectives for every construction project. The most serious accidents in the construction industry occur during work on earthworks and linear structures. The character of such structures places them among those posing the greatest threat to the public (referred to as “third parties”). They can be characterized as large structures whose construction may involve the building site extending in a narrow lane alongside previously constructed objects currently in use by the public. Linear structures are often directly connected to existing objects or buildings, making it impossible to guard the whole construction site. However, many OHS problems related to linear structures can be prevented during the design stage. The aim of this article is to introduce a new methodology which has been implemented into a computer program that deals with safety measures at construction sites where work is performed on linear structures. Based on existing experience with the design of such structures and their execution and supervision by safety coordinators, the basic types of linear structures, their location in the terrain, the conditions present during their execution and other marginal conditions and influences were modelled. Basic safety information has been assigned to this elementary information, which is strictly necessary for the construction process. The safety provisions can be grouped according to type, e.g. technical, organizational and other necessary documentation, or into sets of provisions concerning areas such as construction site safety, transport safety, earthworks safety, etc. The selection of the given provisions takes place using multiple criteria. The aim of creating this program is to provide a practical tool for designers, contractors and construction companies. The model can contribute to the sufficient awareness of these participants

  10. Parents' Play Beliefs and Engagement in Young Children's Play at Home

    Science.gov (United States)

    Lin, Xunyi; Li, Hui

    2018-01-01

    Play is a fundamental concept in early childhood development and education. As partners in the child's learning, parents play a crucial role in how play is defined, valued, and practised. The present study explores the constructs of parents' beliefs about and engagement in young children's play in two coastal cities in China. A sample of 483…

  11. Construction of alternative Hamiltonian structures for field equations

    Energy Technology Data Exchange (ETDEWEB)

    Herrera, Mauricio [Departamento de Fisica, Facultad de Ciencias Fisicas y Matematicas, Universidad de Chile, Santiago (Chile); Hojman, Sergio A. [Departamento de Fisica, Facultad de Ciencias, Universidad de Chile, Santiago (Chile); Facultad de Educacion, Universidad Nacional Andres Bello, Santiago (Chile); Centro de Recursos Educativos Avanzados, CREA, Santiago (Chile)

    2001-08-10

    We use symmetry vectors of nonlinear field equations to build alternative Hamiltonian structures. We construct such structures even for equations which are usually believed to be non-Hamiltonian such as heat, Burger and potential Burger equations. We improve on a previous version of the approach using recursion operators to increase the rank of the Poisson bracket matrices. Cole-Hopf and Miura-type transformations allow the mapping of these structures from one equation to another. (author)

  12. Construction of special structures for nuclear power projects

    International Nuclear Information System (INIS)

    Raghavan, N.

    2003-01-01

    Construction is a very important stage in the course of realization of Nuclear Power Projects and as much care has be devoted to this stage as to the planning and engineering stages. While the setting up of nuclear power projects used to take over seven years in the past, the time period has now been considerably reduced to about five years with advancements in construction engineering, project management and design techniques, on the basis of new initiatives from the owner agency, Nuclear Power Corporation of India. In this article, the constructional aspects of the specialized structures for nuclear power generation are looked into. (author)

  13. Construction of In-core Structure Test Section in HENDEL, (1)

    International Nuclear Information System (INIS)

    Kunitomi, Kazuhiko; Inagaki, Yoshiyuki; Ioka, Ikuo; Kondoh, Yasuo; Nekoya, Shinichi; Miyamoto, Yoshiaki; Akisada, Toshihiro; Yamaguchi, Shigeru.

    1988-01-01

    An In-core Structure Test Section (T 2 ) in Helium Engineering Demonstration Loop (HENDEL) simulates a part of the core bottom structure with the same scale as that of a high temperature engineering test reactor (HTTR) designed in Japan Atomic Energy Research Institute. The design and construction of T 2 test section were started in March 1983, and completed in June 1986. The main objectives of the T 2 test section are to verify thermal-hydraulic performance and integrity of the core bottom structure. The report describes the general outline of T 2 test section, and experience gained from construction and preliminary test with regard to the simulated core bottom structure. (author)

  14. The use of concrete-filled steel structures for modular construction of advanced reactors

    International Nuclear Information System (INIS)

    Braverman, J.; Morante, R.; Hofmayer, C.; Graves, H.

    1997-01-01

    Modular construction techniques have been successfully used in a number of industries, both domestically and internationally. Recently, the use of structural modules has been proposed for advanced nuclear power plants. This paper presents the results of a research program which evaluated the use of modular construction for safety-related structures in advanced nuclear power plant designs. The research program included review of current modular construction technology, development of licensing review criteria for modular construction, and initial validation of currently available analytical techniques applied to concrete-filled steel structural modules

  15. Overview and forensic investigation approaches of the gaming console Sony PlayStation Portable

    Science.gov (United States)

    Schön, Stephan; Schön, Ralph; Kröger, Knut; Creutzburg, Reiner

    2013-03-01

    This paper addresses the forensically interesting features of the Sony PlayStation Portable game console. The construction and the internal structure are analyzed precisely and interesting forensic features of the operating system and the file system are presented.

  16. [Correlation of substrate structure and hydraulic characteristics in subsurface flow constructed wetlands].

    Science.gov (United States)

    Bai, Shao-Yuan; Song, Zhi-Xin; Ding, Yan-Li; You, Shao-Hong; He, Shan

    2014-02-01

    The correlation of substrate structure and hydraulic characteristics was studied by numerical simulation combined with experimental method. The numerical simulation results showed that the permeability coefficient of matrix had a great influence on hydraulic efficiency in subsurface flow constructed wetlands. The filler with a high permeability coefficient had a worse flow field distribution in the constructed wetland with single layer structure. The layered substrate structure with the filler permeability coefficient increased from surface to bottom could avoid the short-circuited flow and dead-zones, and thus, increased the hydraulic efficiency. Two parallel pilot-scale constructed wetlands were built according to the numerical simulation results, and tracer experiments were conducted to validate the simulation results. The tracer experiment result showed that hydraulic characteristics in the layered constructed wetland were obviously better than that in the single layer system, and the substrate effective utilization rates were 0.87 and 0.49, respectively. It was appeared that numerical simulation would be favorable for substrate structure optimization in subsurface flow constructed wetlands.

  17. Situating and Constructing Diversity in Semi-Structured Interviews

    Directory of Open Access Journals (Sweden)

    Michele J. McIntosh

    2015-08-01

    Full Text Available Although semi-structured interviews (SSIs are used extensively in research, scant attention is given to their diversity, underlying assumptions, construction, and broad applications to qualitative and mixed-method research. In this three-part article, we discuss the following: (a how the SSI is situated historically including its evolution and diversification, (b the principles of constructing SSIs, and (c how SSIs are utilized as a stand-alone research method, and as strategy within a mixed-method design.

  18. "No! The Lambs Can Stay Out Because They Got Cozies": Constructive and Destructive Sibling Conflict, Pretend Play, and Social Understanding.

    Science.gov (United States)

    Howe, Nina; Rinaldi, Christina M.; Jennings, Melissa; Petrakos, Harriet

    2002-01-01

    Investigated associations among constructive and destructive sibling conflict, pretend play, internal state language, and sibling relationship quality among sibling pairs with one kindergarten-age child. Found that specific resolution strategies were associated with conflict issues, aggression and internal state language, and that conflict issues…

  19. Design, construction and operation features of high-rise structures

    Science.gov (United States)

    Mylnik, Alexey; Mylnik, Vladimir; Zubeeva, Elena; Mukhamedzhanova, Olga

    2018-03-01

    The article considers design, construction and operation features of high-rise facilities. The analysis of various situations, that come from improper designing, construction and operation of unique facilities, is carried out. The integrated approach is suggested, when the problems of choosing acceptable constructional solutions related to the functional purpose, architectural solutions, methods of manufacturing and installation, operating conditions for unique buildings and structures are being tackled. A number of main causes for the emergency destruction of objects under construction and operation is considered. A number of measures are proposed on the basis of factor classification in order to efficiently prevent the situations, when various negative options of design loads and emergency impacts occur.

  20. Measurement of assertive behavior: construct and predictive validity of self-report, role-playing, and in-vivo measures.

    Science.gov (United States)

    Burkhart, B R; Green, S B; Harrison, W H

    1979-04-01

    Examined the predictive validity and construct equivalence of the three major procedures used to measure assertive behavior: Self-report, behavioral role-playing, and in-vivo assessment. Seventy-five Ss, who spanned the range of assertiveness, completed two self-report measures of assertiveness, the Rathus Assertiveness Scale (RAS) and the College Self-Expression Scale (CSES); two scales from the Endler S-R Inventory of General Trait Anxiousness, the interpersonal and general anxiety scales; eight role-playing situations that involved the expression of positive and negative assertiveness; and a telephone in-vivo task. In general, the study revealed the following: (1) assertiveness measures are task-dependent in that there was more overlap within task than between tasks; (2) there is a moderate degree of correspondence between self-report and role-playing measures, although this was true only for negative assertion; (3) positive and negative assertion do not appear to have the same topography of responding; and (4) there appears to be no consistent relationship between the in-vivo measure and any other type of assertiveness measure.

  1. Consumer behavior of electronic games' players: a study on the intentions to play and to pay

    Directory of Open Access Journals (Sweden)

    Lucas Lopes Ferreira de Souza

    Full Text Available Abstract The electronic games market is one of the most profitable in the leisure segment, having surpassed the film industry. In terms of profitability, it is ranked as eleventh in the world and first in Latin America. Despite its relevance, there is little information about the reasons that lead consumers to play. This paper examined which attributes of the games influence consumers to play and pay for them. The methodology was a field research survey conducted with 600 electronic games' players, and structural equation modeling was used to test the model. The results indicate that the constructs challenge, diversion, fun, fantasy and social interaction influence the intention to play and pay for games, while the construct competition has a negative effect on the intention to play. No significant causalities were found, regarding the constructs time flexibility and arousal, on the intention to play. Furthermore, we also observed that motivations that had the highest impact were fun, challenge and fantasy, attributes that should be considered by game developers and industry.

  2. Playing at Violence: Lock-down Drills, "Bad Guys" and the Construction of "Acceptable" Play in Early Childhood

    Science.gov (United States)

    Delaney, Katherine K.

    2017-01-01

    This study examines how acceptable play was framed for a class of pre-Kindergarten children by their teacher and classroom aide. Using comic subjectivity theory [Zupancic, A. (2008). "The odd one in: On comedy." Cambridge: MIT Press], the author explores how children's playing at pretend violence (bad guy and pretend gun play) is…

  3. Construction Cluster Volume I [Wood Structural Framing].

    Science.gov (United States)

    Pennsylvania State Dept. of Justice, Harrisburg. Bureau of Correction.

    The document is the first of a series, to be integrated with a G.E.D. program, containing instructional materials at the basic skills level for the construction cluster. It focuses on wood structural framing and contains 20 units: (1) occupational information; (2) blueprint reading; (3) using leveling instruments and laying out building lines; (4)…

  4. Supramolecular structures constructed from three novel rare earth ...

    Indian Academy of Sciences (India)

    Supramolecular structures constructed from three novel rare earth metal complexes. HUAZE DONGa,∗, XIAOJUN FENGb,∗, XIA LIUc, BIN ZHENGa, JIANHONG BIa, YAN XUEa,. SHAOHUA GOUd and YANPING WANGa. aDepartment of Chemistry and Chemical Engineering, Hefei Normal University, Hefei 230061, China.

  5. Being Confined within? Constructions of the Good Childhood and Outdoor Play in Early Childhood Education and Care Settings in Ireland

    Science.gov (United States)

    Kernan, Margaret; Devine, Dympna

    2010-01-01

    This study is based on a study of the experience of the outdoors in early childhood education and care settings in Ireland. Central to the analyses are the inter-linkages drawn between constructions of a "good" childhood, and children's "need" for outdoor play, as well as the contradictions which arise around competing…

  6. Forecasting of construction and demolition waste in Brazil.

    Science.gov (United States)

    Paz, Diogo Hf; Lafayette, Kalinny Pv

    2016-08-01

    The objective of this article is to develop a computerised tool (software) that facilitates the analysis of strategies for waste management on construction sites through the use of indicators of construction and demolition waste generation. The development involved the following steps: knowledge acquisition, structuring the system, coding and system evaluation. The step of knowledge acquisition aims to provide subsidies for the representation of them through models. In the step of structuring the system, it was presented the structuring and formalisation of knowledge for the development of the system, and has two stages: the construction of the conceptual model and the subsequent instantiation of the model. The coding system aims to implement (code) the conceptual model developed in a model played by computer (digital). The results showed that the system is very useful and applicable in construction sites, helping to improve the quality of waste management, and creating a database that will support new research. © The Author(s) 2016.

  7. Applying total interpretive structural modeling to study factors affecting construction labour productivity

    Directory of Open Access Journals (Sweden)

    Sayali Shrikrishna Sandbhor

    2014-03-01

    Full Text Available Construction sector has always been dependent on manpower. Most of the activities carried out on any construction site are labour intensive. Since productivity of any project depends directly on productivity of labour, it is a prime responsibility of the employer to enhance labour productivity. Measures to improve the same depend on analysis of positive and negative factors affecting productivity. Major attention should be given to factors that decrease the productivity of labour. Factor analysis thus is an integral part of any study aiming to improve productivity.  Interpretive structural modeling is a methodology for identifying and summarizing relationships among factors which define an issue or problem. It provides a means to arrange the factors in an order as per their complexity. This study attempts to use the latest version of interpretive structural modeling i.e. total interpretive structural modeling to analyze factors negatively affecting construction labour productivity. It establishes interpretive relationship among these factors facilitating improvement in the overall productivity of construction site.

  8. The importance of building construction materials relative to other factors affecting structure survival during wildfire

    Science.gov (United States)

    Syphard, Alexandra D.; Brennan, Teresa J.; Keeley, Jon E.

    2017-01-01

    Structure loss to wildfire is a serious problem in wildland-urban interface areas across the world. Laboratory experiments suggest that fire-resistant building construction and design could be important for reducing structure destruction, but these need to be evaluated under real wildfire conditions, especially relative to other factors. Using empirical data from destroyed and surviving structures from large wildfires in southern California, we evaluated the relative importance of building construction and structure age compared to other local and landscape-scale variables associated with structure survival. The local-scale analysis showed that window preparation was especially important but, in general, creating defensible space adjacent to the home was as important as building construction. At the landscape scale, structure density and structure age were the two most important factors affecting structure survival, but there was a significant interaction between them. That is, young structure age was most important in higher-density areas where structure survival overall was more likely. On the other hand, newer-construction structures were less likely to survive wildfires at lower density. Here, appropriate defensible space near the structure and accessibility to major roads were important factors. In conclusion, community safety is a multivariate problem that will require a comprehensive solution involving land use planning, fire-safe construction, and property maintenance.

  9. Assessment of modular construction for safety-related structures at advanced nuclear power plants

    International Nuclear Information System (INIS)

    Braverman, J.; Morante, R.; Hofmayer, C.

    1997-03-01

    Modular construction techniques have been successfully used in a number of industries, both domestically and internationally. Recently, the use of structural modules has been proposed for advanced nuclear power plants. The objective in utilizing modular construction is to reduce the construction schedule, reduce construction costs, and improve the quality of construction. This report documents the results of a program which evaluated the proposed use of modular construction for safety-related structures in advanced nuclear power plant designs. The program included review of current modular construction technology, development of licensing review criteria for modular construction, and initial validation of currently available analytical techniques applied to concrete-filled steel structural modules. The program was conducted in three phases. The objective of the first phase was to identify the technical issues and the need for further study in order to support NRC licensing review activities. The two key findings were the need for supplementary review criteria to augment the Standard Review Plan and the need for verified design/analysis methodology for unique types of modules, such as the concrete-filled steel module. In the second phase of this program, Modular Construction Review Criteria were developed to provide guidance for licensing reviews. In the third phase, an analysis effort was conducted to determine if currently available finite element analysis techniques can be used to predict the response of concrete-filled steel modules

  10. Structural behaviour characterization of existing adobe constructions in Aveiro

    OpenAIRE

    Varum, H.; Costa, A.; Martins, T.; Pereira, H.; Almeida, J.; Rodrigues, H.; Silveira, D.

    2007-01-01

    Adobe was a widely used construction material in Aveiro, Portugal, till the middle of the 20th century. Nowadays, adobe can still be found in varied types of constructions, many of which are of cultural, historical, and also architectural recognized value. The existing adobe buildings present an important level of structural damage and, in many cases, are even near to ruin, having the majority a high vulnerability to seismic actions. To face the lack of information concerning the mechanica...

  11. The relationship between structured and free play in the development of a mentally handicapped child: a case study.

    Science.gov (United States)

    Hewson, S; McConkey, R; Jeffree, D

    1980-01-01

    This case study provides an individual illustration of the work of the Parental Involvement Project. A key feature of the approach used was the structured play situation. Thus, the case study also serves to demonstrate the role of structured play, and its relation to free play, in the development of a young, mentally handicapped child.

  12. Rapid construction of mechanically- confined multi- cellular structures using dendrimeric intercellular linker.

    Science.gov (United States)

    Mo, Xuejun; Li, Qiushi; Yi Lui, Lena Wai; Zheng, Baixue; Kang, Chiang Huen; Nugraha, Bramasta; Yue, Zhilian; Jia, Rui Rui; Fu, Hong Xia; Choudhury, Deepak; Arooz, Talha; Yan, Jie; Lim, Chwee Teck; Shen, Shali; Hong Tan, Choon; Yu, Hanry

    2010-10-01

    Tissue constructs that mimic the in vivo cell-cell and cell-matrix interactions are especially useful for applications involving the cell- dense and matrix- poor internal organs. Rapid and precise arrangement of cells into functional tissue constructs remains a challenge in tissue engineering. We demonstrate rapid assembly of C3A cells into multi- cell structures using a dendrimeric intercellular linker. The linker is composed of oleyl- polyethylene glycol (PEG) derivatives conjugated to a 16 arms- polypropylenimine hexadecaamine (DAB) dendrimer. The positively charged multivalent dendrimer concentrates the linker onto the negatively charged cell surface to facilitate efficient insertion of the hydrophobic oleyl groups into the cellular membrane. Bringing linker- treated cells into close proximity to each other via mechanical means such as centrifugation and micromanipulation enables their rapid assembly into multi- cellular structures within minutes. The cells exhibit high levels of viability, proliferation, three- dimensional (3D) cell morphology and other functions in the constructs. We constructed defined multi- cellular structures such as rings, sheets or branching rods that can serve as potential tissue building blocks to be further assembled into complex 3D tissue constructs for biomedical applications. 2010 Elsevier Ltd. All rights reserved.

  13. Constructional change, paradigmatic structure and the orientation of usage processes

    DEFF Research Database (Denmark)

    Heltoft, Lars

    2014-01-01

    construction from the 18th century to the present, a specialisation process parallel to the one described for English by Colleman & De Clerck (2011), though not identical to it. The semantics of constructions is described in terms of linguistic content, as distinct from conceptual structure, and the linguistic...... content of constructions is organised to a great extent in paradigmatic oppositions, similar to those found in classical morphology (Nørgård-Sørensen, Heltoft & Schøsler 2011). This organisation principle implies that the semantic description must uncover the boundaries of the construction’s content...

  14. The Space Station as a Construction Base for Large Space Structures

    Science.gov (United States)

    Gates, R. M.

    1985-01-01

    The feasibility of using the Space Station as a construction site for large space structures is examined. An overview is presented of the results of a program entitled Definition of Technology Development Missions (TDM's) for Early Space Stations - Large Space Structures. The definition of LSS technology development missions must be responsive to the needs of future space missions which require large space structures. Long range plans for space were assembled by reviewing Space System Technology Models (SSTM) and other published sources. Those missions which will use large space structures were reviewed to determine the objectives which must be demonstrated by technology development missions. The three TDM's defined during this study are: (1) a construction storage/hangar facility; (2) a passive microwave radiometer; and (3) a precision optical system.

  15. The influence of construction measurement and structure storey on seismic performance of masonry structure

    Science.gov (United States)

    Sun, Baitao; Zhao, Hexian; Yan, Peilei

    2017-08-01

    The damage of masonry structures in earthquakes is generally more severe than other structures. Through the analysis of two typical earthquake damage buildings in the Wenchuan earthquake in Xuankou middle school, we found that the number of storeys and the construction measures had great influence on the seismic performance of masonry structures. This paper takes a teachers’ dormitory in Xuankou middle school as an example, selected the structure arrangement and storey number as two independent variables to design working conditions. Finally we researched on the seismic performance difference of masonry structure under two variables by finite element analysis method.

  16. The constructional design of cooling water discharge structures on German rivers

    International Nuclear Information System (INIS)

    Geldner, P.; Zimmermann, C.

    1975-11-01

    The present compilation of structures for discharging cooling water from power stations into rivers is an attempt to make evident developments in the constructional design of such structures and to give reasons for special structure shapes. A complete collection of all structures built in Germany, however, is difficult to realize because of the large number of power stations. For conventionally heated power stations therefore only a selection was made, while nuclear power stations in operation or under construction could almost completely be taken into account. For want of sufficient quantities of water for river water cooling, projected power stations are now almost exclusively designed for closed-circuit cooling so that the required discharge structures for elutrition water from the cooling towers as well as for the emergency and secondary cooling circuits have to be designed only for small amounts of water. (orig./HP) [de

  17. Micro-Masonry: Construction of 3D Structures by Mesoscale Self-Assembly

    Science.gov (United States)

    Fernandez, Javier G.; Khademhosseini, Ali

    2010-01-01

    A general method for construction of three dimensional structures by directed assembly of microscale polymeric sub-units is presented. Shape-controlled microgels are directed to assemble into different shapes by limiting their movement onto a molded substrate. The capillary forces, resulting from the presence of a liquid polymer, assemble the microgels in close contact with the rest of the units and with the free surface, the latter imposing the final geometry of the resulting construct. The result is a freestanding structure composed of one or multiple layers of sub-units assembled in a tightly packed conformation. The applicability of the technique for the construction of scaffolds with cell-laden sub-units is demonstrated. In addition, scaffolds formed by the sequential aggregation of sub-units are produced. PMID:20440697

  18. Usage, structure, and substance in the English ditransitive construction

    DEFF Research Database (Denmark)

    Shibuya, Yoshikata; Jensen, Kim Ebensgaard

    on observation of actual usage-patterns of the construction in naturally occurring discourse. Secondly, Hudson very much treats ditransitives as a functional monolith, assuming functional uniformity and ignoring possible functional variation. Thirdly, his analysis is primarily based on formal structure and pays......-substance-cum-semantic-structure, the scenarios encoded by monotransitives and ditransitives (Rasmussen & Jakobsen 1996: 103-105), the participants associated with T-OBJs and D-OBJs are non-uniform (Goldberg 1995, Croft et al. 2001: 583-586, Hopper and Thompson 1980). Unlike Hudson's (1992) syntactic account, a symbolic account would categorize...... at the level of conceptual content. Hudson (1992: 266-268) observes variation in the functionality of D-OBJs depending on the verb, such that, unlike those occurring with give and deny, D-OBJs occurring with peel take on a more adjunct-like function, but gives the construction the monolithic treatment. We...

  19. A Review of Structure Construction of Silk Fibroin Biomaterials from Single Structures to Multi-Level Structures

    Directory of Open Access Journals (Sweden)

    Yu Qi

    2017-03-01

    Full Text Available The biological performance of artificial biomaterials is closely related to their structure characteristics. Cell adhesion, migration, proliferation, and differentiation are all strongly affected by the different scale structures of biomaterials. Silk fibroin (SF, extracted mainly from silkworms, has become a popular biomaterial due to its excellent biocompatibility, exceptional mechanical properties, tunable degradation, ease of processing, and sufficient supply. As a material with excellent processability, SF can be processed into various forms with different structures, including particulate, fiber, film, and three-dimensional (3D porous scaffolds. This review discusses and summarizes the various constructions of SF-based materials, from single structures to multi-level structures, and their applications. In combination with single structures, new techniques for creating special multi-level structures of SF-based materials, such as micropatterning and 3D-printing, are also briefly addressed.

  20. Neural-Fitted TD-Leaf Learning for Playing Othello With Structured Neural Networks

    NARCIS (Netherlands)

    van den Dries, Sjoerd; Wiering, Marco A.

    This paper describes a methodology for quickly learning to play games at a strong level. The methodology consists of a novel combination of three techniques, and a variety of experiments on the game of Othello demonstrates their usefulness. First, structures or topologies in neural network

  1. Project Structuring and Risk Allocation for NPP Construction

    International Nuclear Information System (INIS)

    Kaser, Greg

    2013-01-01

    This presentation treats of the project risks and how to mitigate major risks and structure a new project. It also talks about the contract implications to handle the specificities of a new project: design complexities, interface between the engineering, procurement and constructing contractors, and finally discusses the necessity of a stable regulatory environment and the role of government

  2. Design and construction of planar mm-wave accelerating cavity structures

    International Nuclear Information System (INIS)

    Kang, Y.W.; Kustom, R.L.; Nassiri, A.; Song, J.J.; Feineman, A.D.; Illinois Univ., Chicago, IL

    1995-01-01

    Feasibility studies on the planar millimeter-wave cavity structures have been made. The structures could be used for linear accelerators, free electron lasers, mm-wave amplifiers, or mm-wave undulators. The cavity structures are intended to be manufactured by using DXL (deep x-ray lithography) microfabrication technology. The frequency of operation can be about 30GHz to 300GHz. For most applications, a complete structure consists of two identical planar half structures put together face-to-face. Construction and properties of constant gradient structures that have been investigated so far will be discussed. These cavity structures have been designed for 120GHz 2π/3-mode operation

  3. Construction Managers’ Perception of the Factors Affecting Sustainability in Construction Projects

    OpenAIRE

    Reza Taheriattar; Morvarid Farzanehrafat

    2014-01-01

    Sustainable construction is a comprehensive concept which requires long-term planning. Moreover, construction managers play a key role in leading, planning and scheduling of a construction project. As a result, sustainability of construction projects can be affected by construction managers’ decisions. In addition, for greater development of sustainable construction, affecting factors should firstly be notified. Therefore, it seems necessary to investigate construction managers’ perception of...

  4. X-ray detectors for structure investigations constructed at JINR

    Energy Technology Data Exchange (ETDEWEB)

    Chernenko, S P [LHE Joint Institute for Nuclear Research, 141980 Dubna (Russian Federation); Cheremukhina, G A [LHE Joint Institute for Nuclear Research, 141980 Dubna (Russian Federation); Fateev, O V [LHE Joint Institute for Nuclear Research, 141980 Dubna (Russian Federation); Smykov, L P [LHE Joint Institute for Nuclear Research, 141980 Dubna (Russian Federation); Vasiliev, S E [LHE Joint Institute for Nuclear Research, 141980 Dubna (Russian Federation); Zanevsky, Yu V [LHE Joint Institute for Nuclear Research, 141980 Dubna (Russian Federation); Kheiker, D M [Institute of Crystallography, Leninsky prosp. 59, 117333 Moscow (Russian Federation); Popov, A N [Institute of Crystallography, Leninsky prosp. 59, 117333 Moscow (Russian Federation)

    1994-09-01

    The performance characteristics of a few high resolution position-sensitive detectors constructed at JINR are presented. The detectors supplied with original software operate with an IBM PC/AT. One of these devices has been succesfully applied for protein molecule structure investigations and the other for studies of the structure-forming process during combustion. The preliminary parameters of the high count rate MWPC with parallel electronics and the testing results of the microstrip detector are given. ((orig.))

  5. The Role Played by Agricultural Policy-based Finance in New Village Construction

    Institute of Scientific and Technical Information of China (English)

    2011-01-01

    The necessity of the agricultural policy-based finance in terms of supporting the new village construction is analyzed: in the first place, the theoretical roots of agricultural policy-based finance supporting new village construction are "market failure" and "government intervention"; in the second place, the continual decline of agriculture and the "rural financial market failure" in recent years have become the objective evidence and historical mission for agricultural policy-based finance to support new village construction; in the third place, the combination of agricultural policy-based finance and new village construction is conducive to solving the "three agriculture" problems and facilitating the reform of new village construction. The feasibility of the support is analyzed: firstly, agricultural policy-based finance boasts the status and position of the "primary drive" in new village construction; secondly, the nation continuously deepens the reform of rural financial system and policy-based banks and strengthens the functions of Agricultural Development Bank, which provides policies for agricultural policy-based finance to support new village construction; thirdly, the 14 years’ reform and development of Agricultural Development Bank and the eleventh five year plan lay sound practical basis for the support of agricultural policy-based finance to new village construction. Based on the necessity and feasibility, the following six aspects are analyzed to fully display the function of the "first engine" of agricultural policy-related finance to new village construction. Firstly, strengthening the credit and loan aid to grain and cotton and some other agricultural products in the circulation domain; secondly, strengthening the credit and loan aid to agricultural industrialization in processing field; thirdly, intensifying the credit and loan aid to agricultural comprehensive development, rural infrastructure construction, application and promotion of

  6. Construction of earthen structure as a sexual signals in the fiddler crabs

    Directory of Open Access Journals (Sweden)

    Noor Us Saher

    2017-03-01

    Full Text Available We studied the reproductive behavior and the construction of an earthen structure in the four species of fiddler crab with reference to their habitat. Males of the Uca sindensis and U. iranica inhibit on open mudflats, construct the pillar and semidome structures at or near to the burrows openings. These structures perform the function to attract females, who wandering on the surface between male burrows for mating as well as provide protection or hiding object against the avian predator to mates. There were no earthen structures were observed in U. urvillie and U. annulipes, which inhibit among the vegetation. The well-marked intersexual different arrangement of mudballs was observed in U. annulipes. The earthen structures (pillar and semidome and mudballs arrangements help courting females to assess the quality of mate as well as internal conditions of the burrow.

  7. Relations between Minuchin's Structural Family Model and Kohut's Self-Psychology Constructs.

    Science.gov (United States)

    Perosa, Linda

    1996-01-01

    Examines relationship between structural family model and self-psychology constructs. College women (n=164) completed the Structural Family Interaction Scale-Revised (SFIS-R), the Parental Relations Inventory, and the Goal Instability and Superiority scales from the Self-Expression Inventory. Indicated that women raised in families with strong…

  8. [Construction of chemical information database based on optical structure recognition technique].

    Science.gov (United States)

    Lv, C Y; Li, M N; Zhang, L R; Liu, Z M

    2018-04-18

    To create a protocol that could be used to construct chemical information database from scientific literature quickly and automatically. Scientific literature, patents and technical reports from different chemical disciplines were collected and stored in PDF format as fundamental datasets. Chemical structures were transformed from published documents and images to machine-readable data by using the name conversion technology and optical structure recognition tool CLiDE. In the process of molecular structure information extraction, Markush structures were enumerated into well-defined monomer molecules by means of QueryTools in molecule editor ChemDraw. Document management software EndNote X8 was applied to acquire bibliographical references involving title, author, journal and year of publication. Text mining toolkit ChemDataExtractor was adopted to retrieve information that could be used to populate structured chemical database from figures, tables, and textual paragraphs. After this step, detailed manual revision and annotation were conducted in order to ensure the accuracy and completeness of the data. In addition to the literature data, computing simulation platform Pipeline Pilot 7.5 was utilized to calculate the physical and chemical properties and predict molecular attributes. Furthermore, open database ChEMBL was linked to fetch known bioactivities, such as indications and targets. After information extraction and data expansion, five separate metadata files were generated, including molecular structure data file, molecular information, bibliographical references, predictable attributes and known bioactivities. Canonical simplified molecular input line entry specification as primary key, metadata files were associated through common key nodes including molecular number and PDF number to construct an integrated chemical information database. A reasonable construction protocol of chemical information database was created successfully. A total of 174 research

  9. Structure of diaphragm floor of reactor container, construction module and construction method thereof

    International Nuclear Information System (INIS)

    Hasegawa, Hiroshi; Oikawa, Tadaaki; Ushiroda, Koichi; Matsuura, Tadashi; Komaru, Toshimi; Nemoto, Yoichi; Makita, Tatsuo; Maezawa, Sumito.

    1998-01-01

    A diaphragm floor of a reactor container has a structure comprising iron beams buried in concretes and connection members connecting the iron beams and liners, in which the liners are supported by the iron beams, and the load of the iron reinforced concretes when formed on the liner is supported by the iron beams thereby enabling to construct a diaphragm floor with no or reduced amount of temporary support members. As a result, the construction operation can be promoted by reducing the amount of the temporary support members or making the removing operation of the temporary support members unnecessary. The concrete layer comprises at least two upper and lower layers of a firstly formed concrete layer and a subsequently formed concrete layer, and the iron beams have such a strength capable of enduring the load applied when the firstly formed concrete is placed. (N.H.)

  10. Analysis of liquid structure without construction of any structure models by the X-ray scattering method

    International Nuclear Information System (INIS)

    Katayama, Misaki; Ashiki, Shingo; Ozutsumi, Kazuhiko

    2007-01-01

    A simple approach for determining a liquid structure using X-ray scattering data, in which a liquid structure is uniquely evaluated without construction of any plausible structure models, has been applied to liquid acetonitrile, acetone and cyclohexane. For a pair of molecules, a given point within a molecule is located at the origin with a given molecular orientation. The site of the given point of another molecule is defined by the polar coordinates and the molecular orientation is treated by three Eulerian angles. These parameters are optimized by a non-linear least-squares calculation applied to X-ray scattering data. The reliability of the method was examined by determining the liquid structure of polar acetonitrile and the obtained intermolecular interatomic distances are in good agreement with the previously reported values. The method was then successfully applied to the determination of the liquid structure of acetone cyclohexane. Especially for nonpolar cyclohexane, the construction of a variety of plausible structural models is very difficult. It was revealed that acetone has an ordered liquid arrangement similar to that found in its crystal, although the intermolecular distances in liquid acetone are different from those in the crystal. On the other hand, the liquid structure of cyclohexane is disordered. (author)

  11. Structure of steel reactor building and construction method therefor

    International Nuclear Information System (INIS)

    Yamakawa, Toshikimi.

    1997-01-01

    The building of the present invention contains a reactor pressure vessel, and has double steel plate walls endurable to elevation of inner pressure and keeping airtightness, and shielding concretes are filled between the double steel plate walls. It also has empty double steel plate walls not filled with concretes and has pipelines, vent ducts, wirings and a support structures for attaching them between the double steel plate walls. It is endurable to a great inner pressure satisfactory and keeps airtightness by the two spaced steel plates. It can be greatly reduced in the weight, and can be manufactured efficiently with high quality in a plant by so called module construction, and the dimension of the entire of the reactor building can be reduced. It is constructed in a dock, transported on the sea while having the space between the two steel plate walls as a ballast tanks, placed in the site, and shielding concretes are filled between the double steel plate walls. The term for the construction can be reduced, and the cost for the construction can be saved. (N.H.)

  12. I Wanna Play Too: Factors Related to Changes in Social Behavior for Children with and without Autism Spectrum Disorder after Implementation of a Structured Outdoor Play Curriculum

    Science.gov (United States)

    Morrier, Michael J.; Ziegler, Sonja M. T.

    2018-01-01

    Children with autism spectrum disorder (ASD) have difficulties interacting with same-aged peers during unstructured play (e.g., on the playground). Thirty-five toddler and preschool children with and without ASD participated in a structured 15-min outdoor play curriculum. The intervention, "the Buddy Game," used familiar songs, movement,…

  13. Construction of crystal structure prototype database: methods and applications.

    Science.gov (United States)

    Su, Chuanxun; Lv, Jian; Li, Quan; Wang, Hui; Zhang, Lijun; Wang, Yanchao; Ma, Yanming

    2017-04-26

    Crystal structure prototype data have become a useful source of information for materials discovery in the fields of crystallography, chemistry, physics, and materials science. This work reports the development of a robust and efficient method for assessing the similarity of structures on the basis of their interatomic distances. Using this method, we proposed a simple and unambiguous definition of crystal structure prototype based on hierarchical clustering theory, and constructed the crystal structure prototype database (CSPD) by filtering the known crystallographic structures in a database. With similar method, a program structure prototype analysis package (SPAP) was developed to remove similar structures in CALYPSO prediction results and extract predicted low energy structures for a separate theoretical structure database. A series of statistics describing the distribution of crystal structure prototypes in the CSPD was compiled to provide an important insight for structure prediction and high-throughput calculations. Illustrative examples of the application of the proposed database are given, including the generation of initial structures for structure prediction and determination of the prototype structure in databases. These examples demonstrate the CSPD to be a generally applicable and useful tool for materials discovery.

  14. Construction of crystal structure prototype database: methods and applications

    International Nuclear Information System (INIS)

    Su, Chuanxun; Lv, Jian; Wang, Hui; Wang, Yanchao; Ma, Yanming; Li, Quan; Zhang, Lijun

    2017-01-01

    Crystal structure prototype data have become a useful source of information for materials discovery in the fields of crystallography, chemistry, physics, and materials science. This work reports the development of a robust and efficient method for assessing the similarity of structures on the basis of their interatomic distances. Using this method, we proposed a simple and unambiguous definition of crystal structure prototype based on hierarchical clustering theory, and constructed the crystal structure prototype database (CSPD) by filtering the known crystallographic structures in a database. With similar method, a program structure prototype analysis package (SPAP) was developed to remove similar structures in CALYPSO prediction results and extract predicted low energy structures for a separate theoretical structure database. A series of statistics describing the distribution of crystal structure prototypes in the CSPD was compiled to provide an important insight for structure prediction and high-throughput calculations. Illustrative examples of the application of the proposed database are given, including the generation of initial structures for structure prediction and determination of the prototype structure in databases. These examples demonstrate the CSPD to be a generally applicable and useful tool for materials discovery. (paper)

  15. Identifying and analyzing the construction and effectiveness of offensive plays in basketball by using systematic observation.

    Science.gov (United States)

    Fernandez, Jordi; Camerino, Oleguer; Anguera, M Teresa; Jonsson, Gudberg K

    2009-08-01

    In the field of sports research, there is a growing need for the rigorous collection of data that provide empirical evidence about the complex reality they refer to. Although sports psychology research has advanced considerably in recent years, in both extent and quality, one area of research that remains relatively unexplored is the dynamics of the sports group and the influence of the group on its members (George & Feltz, 1995; Widmeyer, Brawley, & Carron, 1992). Key aspects in this regard include the presence of regularities that are not detectable through visual inference or traditional methods of data analysis, the lack of standard observation instruments, and, assuming priority, the need to develop powerful, computerized coding systems, all of which must form part of an approach that is suitable for natural and habitual contexts. The present study is part of a broader research project concerning ACB teams (first Spanish basketball division) and considers the interaction context before teams try to score (where this is understood as how teams create scoring opportunities) as the core aspect that links team play. This investigation proposes a new model of analysis for studying the effectiveness and construction of offensive basketball plays in order to identify their outcomes, thus providing coaches with an important device for improving or consolidating them.

  16. Older-Adult Playfulness: An Innovative Construct and Measurement for Healthy Aging Research

    Science.gov (United States)

    Yarnal, Careen; Qian, Xinyi

    2011-01-01

    Few studies of adult playfulness exist, but limited research on older adults and playfulness suggests that playfulness in later life improves cognitive, emotional, social, and psychological functioning and healthy aging overall. Older adults represent a rapidly growing segment of the U.S. population, underscoring the need to understand the aging…

  17. Constructive systems, load-bearing and enclosing structures of high-rise buildings

    Science.gov (United States)

    Anatol'evna Korol', Elena; Olegovna Kustikova, Yuliya

    2018-03-01

    As the height of the building increases, loads on load-carrying structures increase dramatically, and as a result of the development of high-rise construction, several structural systems of such buildings have been developed: frame, frame-frame, cross-wall, barrel, box-type, box-to-wall ("pipe in pipe", "Trumpet in the farm"), etc. In turn, the barrel systems have their own versions: cantilever support of the ceilings on the trunk, suspension of the outer part of the overlap to the upper carrying console "hanging house" or its support by means of the walls on the lower bearing cantilever, intermediate position of the supporting cantilevers in height to the floor, from a part of floors. The object of the study are the structural solutions of high-rise buildings. The subject of the study is the layout of structural schemes of high-rise buildings, taking into account the main parameters - altitude (height), natural climatic conditions of construction, materials of structural elements and their physical and mechanical characteristics. The purpose of the study is to identify the features and systematization of structural systems of high-rise buildings and the corresponding structural elements. The results of the research make it possible, at the stage of making design decisions, to establish rational parameters for the correspondence between the structural systems of high-rise buildings and their individual elements.

  18. METHODS FOR THE ARRANGEMENT OF IMMERSED TUBE TUNNELS DURING CONSTRUCTION BASED ON STRUCTURALLY UNSTABLE SOILS

    Directory of Open Access Journals (Sweden)

    E. N. Kurbatskiy

    2017-01-01

    Full Text Available Objectives. The aim of the research is to develop the most effective construction and technological methods for strengthening the bottom of rivers and bays, composed of weak structurally unstable soils, including zones with seismic activity, using pile foundations with broadening and rock filling with micropiles.Methods. The method of constructing combined transport transitions was applied, consisting of overpasses running over relatively shallow channels from coasts to artificial islands on which the route enters tunnels crossing deep shipping canals.Results. The foreign experience in the construction of immersed tube tunnels in the construction of transport crossings through the extended river and sea barriers has been analytically generalised. The features, advantages and disadvantages of the construction of immersed tube tunnels in some countries of the world are revealed.Conclusion. A large number of already constructed and operated transport transits, including immersed tube tunnels, testifies to the advantages of such projects, as compared to other types of transport transitions like bridges and tunnels constructed using mining techniques. Constructiontechnological methods for strengthening the bottom of rivers and bays, composed of weak structurally unstable soils, are proposed. When selecting a design of a bridge to ensure the passage of hightonnage vessels, it is necessary to build large-span bridges on high supports. Weak, structurally unstable soils, deep bedding of bedrock and high seismicity of the area will create serious problems in the construction and operation of such structures. The natural vibration frequencies of the large-span bridges fall into the region of the dominant earthquake frequencies, which can lead to resonant phenomena and damage the structure even under weak seismic influences. Tunnels are less susceptible to seismic impacts, since, unlike ground structures, they don't experience resonance phenomena. When

  19. Postcolonial constructions of HIV/AIDS: meaning, culture, and structure.

    Science.gov (United States)

    Sastry, Shaunak; Dutta, Mohan J

    2011-01-01

    As a field of inquiry, postcolonial health communication seeks to apprehend processes implicated in the construction of "primitive" versus "modern" with respect to issues of health. In the case of HIV/AIDS, the sociocultural representations of the disease have a profound impact on how the disease is configured medically and symbolically in dominant cultural imagination. Postcolonial constructions of disease are mobilized around the political and economic interests of the dominant power structures in global spaces. In this article, a thematic analysis of the constructions of HIV/AIDS in India in the mainstream U.S. news media was conducted. A corpus of news articles from the Lexis-Nexis database was created with the keywords "HIV," "AIDS," and "India." Three themes emerged from the study: (a) India as a site of biomedical control; (b) the economic logics of HIV/AIDS; and (c) AIDS, development, and the "Third World." Copyright © Taylor & Francis Group, LLC

  20. Disneyization: A framework for understanding illicit drug use in bounded play spaces.

    Science.gov (United States)

    Turner, Tim

    2018-05-17

    This paper combines evidence from an ethnographic study of illicit drug use amongst tourists in Ibiza with Bryman's (2004) theoretical model of Disneyization. The principal aim was to construct a new conceptual framework that may help scholars, practitioners and policy makers make sense of dynamic patterns of illegal drug use across bounded play spaces such as tourist resorts, music festivals and nightclubs. Ethnographic fieldwork employing a grounded theory design was undertaken over three summers in tourist locations on the Balearic island of Ibiza, including nightclubs, bars, cafes, beaches, airports and hotels. Field notes from participant observation were supplemented with data from semi-structured interviews (n = 56) and secondary sources gathered from tourist marketing. The framework of Disneyization has been discussed in terms of 5 constructs: theming, hybrid consumption, branding, performative labour and atmospheres; each having a specific role in relation to understanding illicit drug use in bounded play spaces. Thus: Theming sets the stage, by physically and symbolically demarcating space with indelible themes of hedonism that open up the possibility of illicit drug use. Hybrid-consumption blurs the distinction between legal and illegal forms of intoxication, making the trading and consumption of illegal drugs appear like a natural feature of the consumer space. Branding demonstrates how participants construct intricate hierarchies of taste and credibility related to drug of choice. Performative labour re-enforces hybrid consumption, with participants working in the bounded play spaces of Ibiza immersed within the illicit drug market. Atmospheres represents the alchemic synergy of bounded play space and is important to understanding illicit drug use as a sensorial, deeply immersive but transitory experience. This research offers Disneyization as a new conceptual framework for making sense of deeply complex spatial, socio-cultural, psychological and

  1. Some principles of automated control systems construction with project organizational structure

    OpenAIRE

    Kovalenko, Ihor I.; Puhachenko, Kateryna S.

    2013-01-01

    The main principles of automated control systems construction with project organizational structures have been considered and the process flow sheet  for organizational systems control has been proposed. The architectural elements of the organizational system have been introduced and described. The instrumental tools of the graphodynamic systems theory have been used for the simulation modeling of hierarchical structures.

  2. Refining a Heuristic for Constructing Bayesian Networks from Structured Arguments

    NARCIS (Netherlands)

    Wieten, G.M.; Bex, F.J.; van der Gaag, L.C.; Prakken, H.; Renooij, S.

    2018-01-01

    Recently, a heuristic was proposed for constructing Bayesian networks (BNs) from structured arguments. This heuristic helps domain experts who are accustomed to argumentation to transform their reasoning into a BN and subsequently weigh their case evidence in a probabilistic manner. While the

  3. Development of scaffold-free elastic cartilaginous constructs with structural similarities to auricular cartilage.

    Science.gov (United States)

    Giardini-Rosa, Renata; Joazeiro, Paulo P; Thomas, Kathryn; Collavino, Kristina; Weber, Joanna; Waldman, Stephen D

    2014-03-01

    External ear reconstruction with autologous cartilage still remains one of the most difficult problems in the fields of plastic and reconstructive surgery. As the absence of tissue vascularization limits the ability to stimulate new tissue growth, relatively few surgical approaches are currently available (alloplastic implants or sculpted autologous cartilage grafts) to repair or reconstruct the auricle (or pinna) as a result of traumatic loss or congenital absence (e.g., microtia). Alternatively, tissue engineering can offer the potential to grow autogenous cartilage suitable for implantation. While tissue-engineered auricle cartilage constructs can be created, a substantial number of cells are required to generate sufficient quantities of tissue for reconstruction. Similarly, as routine cell expansion can elicit negative effects on chondrocyte function, we have developed an approach to generate large-sized engineered auricle constructs (≥3 cm(2)) directly from a small population of donor cells (20,000-40,000 cells/construct). Using rabbit donor cells, the developed bioreactor-cultivated constructs adopted structural-like characteristics similar to native auricular cartilage, including the development of distinct cartilaginous and perichondrium-like regions. Both alterations in media composition and seeding density had profound effects on the formation of engineered elastic tissue constructs in terms of cellularity, extracellular matrix accumulation, and tissue structure. Higher seeding densities and media containing sodium bicarbonate produced tissue constructs that were closer to the native tissue in terms of structure and composition. Future studies will be aimed at improving the accumulation of specific tissue constituents and determining the clinical effectiveness of this approach using a reconstructive animal model.

  4. (Intangible Arguments about Play, Creativity, and the Political Economy of 3D Printing: The Free Universal Construction Kit

    Directory of Open Access Journals (Sweden)

    Jan Løhmann Stephensen

    2015-04-01

    Full Text Available With the increasing economic accessibility of 3D printers, the lessons learned and the logics cultivated on digital Web 2.0 now seem applicable to the world of material things. Released in early 2012 by the artist groups F.A.T. and Sy-lab, the Free Universal Construction Kit is a set of 3D drawings that enable everyone with access to a 3D printer to make connectors between intellectual property restricted toys like LEGO, Tinkertoys, and Fischertechnik. However, when describing this project as “reverse engineering as a civic activity”, it becomes obvious that the Kit’s greater agenda is not just to enable cross-over playing, but rather, to problematize and perhaps ultimately open up closed formats through critical appropriation. But how does that, for instance, conform with the fact that the connectors are parasitically attached to these toys, whose logic it is simultaneously defying? And which (implicit notions of creativity and play are at stake in this project, and to what extent do they fit the more general philosophical underpinnings of this project?

  5. The Interplay between Real Money Trade and Narrative Structure in Massively Multiplayer Online Role-Playing Games

    Directory of Open Access Journals (Sweden)

    Byungchul Park

    2017-01-01

    Full Text Available A narrative structure is one of the main components to constitute the genre of Massively Multiplayer Online Role-Playing Games (MMORPGs. Meanwhile Real Money Trade (RMT enables a player to adjust an ex post level of challenge by skipping the narrative structure of a game. However, RMT may concurrently disturb a player who enjoys game following the narrative structure hierarchically. In pursuance of developing the knowledge about the relationship between RMT and the usage of MMORPG, we investigate the role of the strictness of predetermined narrative structure. We present the dual structure of societies to describe a player that arbitrarily decides to reside in a virtual society. Then we adopt the social nominalism to explain how individual motif of playing a game is expanded to the nature of game. Finally, we argue that a game with weakly predetermined narrative structure is more positively associated with RMT volume, since these games arouse a player’s sentiment of fun by relying more on their socially oriented motivation. With empirical evidence from the Korean MMORPGs market, we proved the hypothesis.

  6. Impact of ACI-ASME code on design and construction of nuclear containment structures

    International Nuclear Information System (INIS)

    Reedy, R.F.

    1978-01-01

    The effect of the ACI-ASME code for design and construction of concrete containment structures on the nuclear and concrete industries is examined. Topics covered include purpose of the code, general requirements, responsibilities and duties, design and construction specifications, quality assurance, inspection, the liner, and stamping

  7. Non-destructive Inspection of Top-Down Construction Joints of Column in SRC Structure using Ultrasonic Method

    International Nuclear Information System (INIS)

    Park, Seok Kyun; Baek, Un Chan; Lee, Han Bum; Kim, Myoung Mo

    2000-01-01

    The joint treatment of concrete is one of the technical problems in top down construction method. Joints created with the top down construction result in serious weakness from the aspects of both structural and water-barrier function. Ultrasonic method was used for the inspection of top down construction joints of a various column in SRC structure in this study. The advantages and limitations of this method for non-destructive inspection in top down construction joints are investigated. As a result, it has been verified that the semi-direct measurement method is more effective than the other methods for detecting the voids of construction joints using ultrasonic method

  8. The role of play objects and object play in human cognitive evolution and innovation.

    Science.gov (United States)

    Riede, Felix; Johannsen, Niels N; Högberg, Anders; Nowell, April; Lombard, Marlize

    2018-01-01

    In this contribution, we address a major puzzle in the evolution of human material culture: If maturing individuals just learn their parental generation's material culture, then what is the origin of key innovations as documented in the archeological record? We approach this question by coupling a life-history model of the costs and benefits of experimentation with a niche-construction perspective. Niche-construction theory suggests that the behavior of organisms and their modification of the world around them have important evolutionary ramifications by altering developmental settings and selection pressures. Part of Homo sapiens' niche is the active provisioning of children with play objects - sometimes functional miniatures of adult tools - and the encouragement of object play, such as playful knapping with stones. Our model suggests that salient material culture innovation may occur or be primed in a late childhood or adolescence sweet spot when cognitive and physical abilities are sufficiently mature but before the full onset of the concerns and costs associated with reproduction. We evaluate the model against a series of archeological cases and make suggestions for future research. © 2018 The Authors Evolutionary Anthropology Published by Wiley Periodicals, Inc.

  9. The role of play objects and object play in human cognitive evolution and innovation

    Science.gov (United States)

    Johannsen, Niels N.; Högberg, Anders; Nowell, April; Lombard, Marlize

    2018-01-01

    Abstract In this contribution, we address a major puzzle in the evolution of human material culture: If maturing individuals just learn their parental generation's material culture, then what is the origin of key innovations as documented in the archeological record? We approach this question by coupling a life‐history model of the costs and benefits of experimentation with a niche‐construction perspective. Niche‐construction theory suggests that the behavior of organisms and their modification of the world around them have important evolutionary ramifications by altering developmental settings and selection pressures. Part of Homo sapiens' niche is the active provisioning of children with play objects — sometimes functional miniatures of adult tools — and the encouragement of object play, such as playful knapping with stones. Our model suggests that salient material culture innovation may occur or be primed in a late childhood or adolescence sweet spot when cognitive and physical abilities are sufficiently mature but before the full onset of the concerns and costs associated with reproduction. We evaluate the model against a series of archeological cases and make suggestions for future research. PMID:29446561

  10. Structural Impact of Construction Loads

    Science.gov (United States)

    2012-08-01

    Numerous bridge construction accidents have occurred across the country because of construction loadings, which are an underemphasized : topic in many DOT specifications and design manuals. Bridge girders are least stable when they are subjected to c...

  11. Constructing a Measurement in Service Quality for Indian Banks: Structural Equation Modeling Approach

    OpenAIRE

    Anil Kumar; Manoj Kumar Dash

    2013-01-01

    The aim of this paper is to construct a measure in service quality for Indian banks and establishes a causal relationship of service attributes performance with customer satisfaction. The SERVQUAL model is used. The quantification of service quality led to the attempt to construct an index. The index is constructed using Structural Equation Modeling (SEM) and American Customer Satisfaction Index (ACSI) as the underlying frameworks. The analysis is based on data of 200 bank customers from the ...

  12. Labour input in construction of composite structures of the Balakovo NPP reactor compartment

    International Nuclear Information System (INIS)

    Alasyuk, G.Ya.

    1988-01-01

    Technical-economical results achieved when constructing the Balakovo NPP second unit reactor compartment structures are presented. The obtained data analysis shows that in the case of building the walls of non-sealed reactor compartment section in the form of composite structures the major part of labour input requirements (54-59%) falls at works on production and mounting of these structures, performed at auxiliary plants. Labour input for works performed the construction (unit-cell and space frame mounting, preparation of units for concreting, joint sealing, concrete placement) make up 41-46%, and labour input for enlarged unit-cell mounting make up 8%. Labour input per 1 m 3 of the wall structure with 0.6 and 0.9 m thicness in the monolith option are respectively by 19 an 23% higher than the same indices for composite

  13. Construction Costs Assessment of Structural Systems for Low-Rise and Social Welfare Housing

    Directory of Open Access Journals (Sweden)

    Carrillo Julián

    2015-09-01

    Full Text Available A comparative analysis of the costs related to the construction of low-rise, low-cost and social welfare housing was carried out. The study included three of the most commonly used structural systems for low-rise housing in Latin America, such as the traditional system of confined masonry walls, concrete walls conventionally reinforced with welded-wire meshes and concrete walls reinforced with steel fiber. The cost comparison was carried out by budgets analysis, which were performed based on construction quantities, unit prices and particular items for each structural system. It was found in the study that, from an economic point of view, the systems of concrete walls reinforced with welded-wire meshes or steel fibers are more advantageous than confined masonry systems. In addition, the integral comparison of the three structural systems demonstrates that the industrialized system of steel fiber reinforced concrete walls allows obtaining greater advantages of cleaning and sustainability, faster construction, lower cost and a more attractive scenario for builders investing in such projects.

  14. The factor structure of six salutogenic constructs

    Directory of Open Access Journals (Sweden)

    Marita Breed

    2006-10-01

    Full Text Available The aim of this research was to investigate the factor structure of six salutogenic constructs, namely sense of coherence, hardiness, learned resourcefulness, potency, internal locus of control and self-efficacy. Measurement with a sample of 935 part-time students did not fit the conceptualisation of salutogenesis. A different factor structure for Whites versus Others occurred. For Whites, all six constructs more or less contributed towards the general salutogenic factor and for Others all but learned resourcefulness contributed. For Whites, salutogenesis consisted of two clear dimensions (a global positive orientation; specific behavioural skills and for Others one dimension (an optimistic life view. Confirmatory factor analysis performed on the data for both groups, indicated a weak fit. It was recommended that salutogenesis be further explored within an overall personality theory. Opsomming Die doel van hierdie navorsing was om die faktorstruktuur van ses salutogeniese konstrukte te ondersoek, naamlik sin vir koherensie, gehardheid, aangeleerde vindingrykheid, potensie, interne lokus van beheer en selfgenoegsaamheid. Meting met ‘n steekproef van 935 deeltydse studente het nie ‘n passing getoon met die konseptualisering van salutogenese nie. ‘n Eiesoortige faktorstruktuur vir Wit studente versus Ander studente het voorgekom. Vir Wittes, het al ses die konstrukte meer of minder bygedra tot die algemene salutugeniese faktor en vir Andere het almal behalwe aangeleerde vindingrykheid bygedra. Vir Wittes bestaan salutogenese uit twee duidelike dimensies (‘n globale positiewe lewensorientasie; spesifieke gedrags vaardighede en vir Andere uit een dimensie (‘n optimistiese lewensbeskouing. Bevestigende faktor ontleding uitgevoer op die data van beide groepe, het ‘n swak passing getoon. Daar is aanbeveel dat salutogenese verder ondersoek word binne ‘n oorkoepelende persoonlikheidsteorie.

  15. Document turn-over analysis to determine need of NPP construction in build-up structures of reinforced concrete

    International Nuclear Information System (INIS)

    Vojpe, D.K.; Lyubavin, V.K.

    1986-01-01

    Document turn-over to determine used of NPP construction in build-up structures of reinforced concrete is carried out. Ways of improving determination of needs of NPP construction board in the mentioned structures are pointed out

  16. The interactions of normal and hyperactive children with their mothers in free play and structured tasks.

    Science.gov (United States)

    Cunningham, C E; Barkley, R A

    1979-03-01

    Groups of 20 normal and 20 hyperactive boys ranging in age from 6 to 12 years were observed interacting with their mothers in 15-min free-play and 15-min structured-task situations. Using a 15-sec interval coding procedure, 1 observer recorded the mother's response to specific antecedent behaviors of the child while a second observer recorded the child's response to specific behaviors of the mother. Hyperactive boys proved more active, less compliant, and less likely to remain on task than nonhyperactive peers. Mothers of hyperactive boys were less likely to respond positively to the child's social interactions, solitary play activities, or compliant on-task behavior. In addition, mothers of hyperactive boys imposed more structure and control on the child's play, social interactions, and task-oriented activities. It is suggested that the controlling intrusive style observed among the mothers of hyperactive boys, while initially a response to the child's overactive, impulsive, inattentive style, may further contribute to the child's behavioral difficulties.

  17. Sustainable construction : towards a strategic approach to construction material management for waste reduction

    NARCIS (Netherlands)

    Abarca Guerrero, L.; Scheublin, F.J.M.; Egmond - de Wilde De Ligny, van E.L.C.; Lambert, A.J.D.

    2008-01-01

    The construction sector plays a key role in shaping and developing the built environment. It also has an undisputed and significant impact on it due to the amounts of materials extracted and produced as waste. The construction industry has emphasized to recycling construction waste (CW), however,

  18. Astronaut Ross Approaches Assembly Concept for Construction of Erectable Space Structure (ACCESS)

    Science.gov (United States)

    1999-01-01

    The crew assigned to the STS-61B mission included Bryan D. O'Conner, pilot; Brewster H. Shaw, commander; Charles D. Walker, payload specialist; mission specialists Jerry L. Ross, Mary L. Cleave, and Sherwood C. Spring; and Rodolpho Neri Vela, payload specialist. Launched aboard the Space Shuttle Atlantis November 28, 1985 at 7:29:00 pm (EST), the STS-61B mission's primary payload included three communications satellites: MORELOS-B (Mexico); AUSSAT-2 (Australia); and SATCOM KU-2 (RCA Americom). Two experiments were conducted to test assembling erectable structures in space: EASE (Experimental Assembly of Structures in Extravehicular Activity), and ACCESS (Assembly Concept for Construction of Erectable Space Structure). In a joint venture between NASA/Langley Research Center in Hampton, Virginia, and the Marshall Space Flight Center (MSFC), EASE and ACCESS were developed and demonstrated at MSFC's Neutral Buoyancy Simulator (NBS). In this STS-61B onboard photo, astronaut Ross, perched on the Manipulator Foot Restraint (MFR) approaches the erected ACCESS. The primary objective of these experiments was to test the structural assembly concepts for suitability as the framework for larger space structures and to identify ways to improve the productivity of space construction.

  19. Playing with Power: An Outdoor Classroom Exploration

    Science.gov (United States)

    Haywood-Bird, Eden

    2017-01-01

    In this ethnographic research, discovery of how preschool-aged children use play to wield their individual power in the outdoors is documented in a single classroom. Embedded as a participant-researcher and working from constructivist and critical theory orientations, the researcher seeks to understand how children use their play to construct the…

  20. Development of Nonlinear Phased Array Systems for Non-Destructive Evaluation and Structural Health Monitoring of Aerospace Structures

    Data.gov (United States)

    National Aeronautics and Space Administration — Acoustic imaging has played an essential role in ensuring that structures and vehicles are in sound condition both during their construction and their operation. Our...

  1. Sustainable wall construction and exterior insulation retrofit technology process and structure

    Science.gov (United States)

    Vohra, Arun

    2000-01-01

    A low-cost process for exterior wall insulation retrofit, or new wall construction by stacking layers of fabric tube filled with insulating material against a wall and covering them with mesh and stucco provides a durable structure with good insulating value.

  2. E-learning Constructive Role Plays for EFL Learners in China's Tertiary Education

    Science.gov (United States)

    Shen, Lin; Suwanthep, Jitpanat

    2011-01-01

    Recently, speaking has played an increasingly important role in second/foreign language settings. However, in many Chinese universities, EFL students rarely communicate in English with other people effectively. The existing behavioristic role plays on New Horizon College English (NHCE) e-learning do not function successfully in supplementing EFL…

  3. Construction of Architectural Structures in Cultural Heritage Protection Zones

    Science.gov (United States)

    Zagroba, Marek; Gawryluk, Dorota

    2017-10-01

    The article raises issues of constructing contemporary architectural structures in cultural heritage protection zones, using the case study of a building located within the campus of the University of Warmia and Mazury in Olsztyn, Poland. Questions revolving around the construction of this building arise from the need to preserve the surrounding historic heritage, and deal with landscaping, architectural and construction solutions as well as interior design. All these problems grow in importance when dealing with such unique buildings like the discussed example of a laboratory building for the Civil Engineering Department, built on a site within a conservation zone of the university campus. The specific character of the building and the specialist equipment with which it was to be furnished (a resistance testing machine, a 17-meter-long wave flume) necessitated a series of analyses. In turn, the fact that the new building was to be erected in the conservation zone meant that collaboration with the Heritage Conservation Office had to be undertaken at the stage of making the plan and continued during the construction works. The Heritage Officer’s recommendations concerning the building’s shape, divisions, dimensions, materials used, etc., created a situation where the team of designers and architects had to become engaged in the process of landscape and spatial management. The above requirements concerned the functions of the building and its siting on a land parcel that was difficult to handle, also because of the protected trees growing there. Other constraints included the small size of this site, the developed surroundings, and the pre-defined programme of functions and use of the new building. All the above circumstances made the task difficult and demanded good coordination between individual teams of engineers and architects, both at the stage of making the plan and during the construction works. Many of the heritage protection zones are spoilt with

  4. Playing, Gaming, Working and Labouring: Framing the Con-cepts and Relations

    Directory of Open Access Journals (Sweden)

    Arwid Lund

    2014-09-01

    Full Text Available The aim of this article is to define the concepts of playing, working, gaming, and labouring, through a literature study, and to construct a typology. This typology will be used to create a field model that is structured by the horizontal parameters of qualitative-quantitative (characteristics and the vertical parameters of activity-result (in focus. It is shown how this model can be used to visualise different theoretical positions in empirical material, which connects to the concepts and their relations. Working and labouring are distinguished into a trans-historical and a historical, capitalist, category, and likewise playing and gaming, where the former is the trans-historical category and the latter the historical one. The main focus of the article, since working and labouring is well covered within the critical Marxist tradition, is on playing and its relation to working, with the aim of understanding and criticising the concept of playbour.

  5. Sustainable construction : towards a strategic approach to construction material management for waste reduction

    OpenAIRE

    Abarca Guerrero, L.; Scheublin, F.J.M.; Egmond - de Wilde De Ligny, van, E.L.C.; Lambert, A.J.D.

    2008-01-01

    The construction sector plays a key role in shaping and developing the built environment. It also has an undisputed and significant impact on it due to the amounts of materials extracted and produced as waste. The construction industry has emphasized to recycling construction waste (CW), however, relatively less emphasis has been paid on construction waste minimization. CW reduction can be achieved through changes in design concepts, material and construction methods selection and material ma...

  6. Formation of integrated structural units using the systematic and integrated method when implementing high-rise construction projects

    Science.gov (United States)

    Abramov, Ivan

    2018-03-01

    Development of design documentation for a future construction project gives rise to a number of issues with the main one being selection of manpower for structural units of the project's overall implementation system. Well planned and competently staffed integrated structural construction units will help achieve a high level of reliability and labor productivity and avoid negative (extraordinary) situations during the construction period eventually ensuring improved project performance. Research priorities include the development of theoretical recommendations for enhancing reliability of a structural unit staffed as an integrated construction crew. The author focuses on identification of destabilizing factors affecting formation of an integrated construction crew; assessment of these destabilizing factors; based on the developed mathematical model, highlighting the impact of these factors on the integration criterion with subsequent identification of an efficiency and reliability criterion for the structural unit in general. The purpose of this article is to develop theoretical recommendations and scientific and methodological provisions of an organizational and technological nature in order to identify a reliability criterion for a structural unit based on manpower integration and productivity criteria. With this purpose in mind, complex scientific tasks have been defined requiring special research, development of corresponding provisions and recommendations based on the system analysis findings presented herein.

  7. The construction of an amino acid network for understanding protein structure and function.

    Science.gov (United States)

    Yan, Wenying; Zhou, Jianhong; Sun, Maomin; Chen, Jiajia; Hu, Guang; Shen, Bairong

    2014-06-01

    Amino acid networks (AANs) are undirected networks consisting of amino acid residues and their interactions in three-dimensional protein structures. The analysis of AANs provides novel insight into protein science, and several common amino acid network properties have revealed diverse classes of proteins. In this review, we first summarize methods for the construction and characterization of AANs. We then compare software tools for the construction and analysis of AANs. Finally, we review the application of AANs for understanding protein structure and function, including the identification of functional residues, the prediction of protein folding, analyzing protein stability and protein-protein interactions, and for understanding communication within and between proteins.

  8. Validation of the French version of the yale food addiction scale: an examination of its factor structure, reliability, and construct validity in a nonclinical sample.

    Science.gov (United States)

    Brunault, Paul; Ballon, Nicolas; Gaillard, Philippe; Réveillère, Christian; Courtois, Robert

    2014-05-01

    The concept of food addiction has recently been proposed by applying the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision, criteria for substance dependence to eating behaviour. Food addiction has received increased attention given that it may play a role in binge eating, eating disorders, and the recent increase in obesity prevalence. Currently, there is no psychometrically sound tool for assessing food addiction in French. Our study aimed to test the psychometric properties of a French version of the Yale Food Addiction Scale (YFAS) by establishing its factor structure and construct validity in a nonclinical population. A total of 553 participants were assessed for food addiction (French version of the YFAS) and binge eating behaviour (Bulimic Investigatory Test Edinburgh and Binge Eating Scale). We tested the scale's factor structure (factor analysis for dichotomous data based on tetrachoric correlation coefficients), internal consistency, and construct validity with measures of binge eating. Our results supported a 1-factor structure, which accounted for 54.1% of the variance. This tool had adequate reliability and high construct validity with measures of binge eating in this population, both in its diagnosis and symptom count version. A 2-factor structure explained an additional 9.1% of the variance, and could differentiate between patients with high, compared with low, levels of insight regarding addiction symptoms. In our study, we validated a psychometrically sound French version of the YFAS, both in its symptom count and diagnostic version. Future studies should validate this tool in clinical samples.

  9. [Play therapy--psychotherapy with play as the medium: I. General introduction, psychoanalytic and client-centered approaches].

    Science.gov (United States)

    von Gontard, Alexander; Lehmkuhl, Gerd

    2003-01-01

    Play therapies are psychotherapies with the medium of play primarily for children under 12 years of age, which can be differentiated according to their theoretical constructs and actual practice. Play therapies have gained importance and relevance in the 1990's, reflected in a wide range of publications. Following trends can be discerned: narrow concepts defined by individual schools of psychotherapy have been left. Different forms of play therapy, as well as behavioural and family therapy have been integrated. Focussed short-term and therapies for specific disorders have been developed. The aim of the first part of this paper is to present an overview of traditional forms of playtherapy, with a focus on the Individual Therapy of A. Adler, the Analytic Psychotherapy of C. G. Jung, Sandplay Therapy of D. Kalff and child-centered (non-directive) play therapy.

  10. A simple approach to the construction of the core structure present in ...

    Indian Academy of Sciences (India)

    A simple approach to the construction of the core structure present in bielschowskysin and ... spongeHippospongia lachneelicited considerable interest amongst the organic ..... ogy, Government of India for financial support through. J. C. Bose ...

  11. Study on Construction of Forestry Socialized Service Systems Based on Barnard's Organizational Structure Theory

    Institute of Scientific and Technical Information of China (English)

    WANG Can-fu; CHENG Xiao-qiu

    2011-01-01

    Construction of forestry socialized service systems is the important content for reform of collective forestry tenure systems.Based on the necessity, possibility and problem of construction of forestry socialized service system, according to Barnard's Organizational Structure theory, the path and countermeasure of forestry socialized service system in China are discussed.

  12. How Role Play Addresses the Difficulties Students Perceive when Writing Reflectively about the Concepts They are Learning in Science

    Science.gov (United States)

    Millar, Susan

    A fundamental problem which confronts Science teachers is the difficulty many students experience in the construction, understanding and remembering of concepts. This is more likely to occur when teachers adhere to a Transmission model of teaching and learning, and fail to provide students with opportunities to construct their own learning. Social construction, followed by individual reflective writing, enables students to construct their own understanding of concepts and effectively promotes deep learning. This method of constructing knowledge in the classroom is often overlooked by teachers as they either have no knowledge of it, or do not know how to appropriate it for successful teaching in Science. This study identifies the difficulties which students often experience when writing reflectively and offers solutions which are likely to reduce these difficulties. These solutions, and the use of reflective writing itself, challenge the ideology of the Sydney Genre School, which forms the basis of the attempt to deal with literacy in the NSW Science Syllabus. The findings of this investigation support the concept of literacy as the ability to use oral and written language, reading and listening to construct meaning. The investigation demonstrates how structured discussion, role play and reflective writing can be used to this end. While the Sydney Genre School methodology focuses on the structure of genre as a prerequisite for understanding concepts in Science, the findings of this study demonstrate that students can use their own words to discuss and write reflectively as they construct scientific concepts for themselves. Social construction and reflective writing can contribute to the construction of concepts and the development of metacognition in Science. However, students often experience difficulties when writing reflectively about scientific concepts they are learning. In this investigation, students identified these difficulties as an inability to understand

  13. Construction managers' perceptions of construction safety practices in small and large firms: a qualitative investigation.

    Science.gov (United States)

    Gillen, Marion; Kools, Susan; McCall, Cade; Sum, Juliann; Moulden, Kelli

    2004-01-01

    Despite the institution of explicit safety practices in construction, there continue to be exceedingly high rates of morbidity and mortality from work-related injury. This study's purpose was to identify, compare and contrast views of construction managers from large and small firms regarding construction safety practices. A complementary analysis was conducted with construction workers. A semi-structured interview guide was used to elicit information from construction managers (n = 22) in a series of focus groups. Questions were designed to obtain information on direct safety practices and indirect practices such as communication style, attitude, expectations, and unspoken messages. Data were analyzed using thematic content analysis. Managers identified a broad commitment to safety, worker training, a changing workplace culture, and uniform enforcement as key constructs in maintaining safe worksites. Findings indicate that successful managers need to be involved, principled, flexible, and innovative. Best practices, as well as unsuccessful injury prevention programs, were discussed in detail. Obstacles to consistent safety practice include poor training, production schedules and financial constraints. Construction managers play a pivotal role in the definition and implementation of safety practices in the workplace. In order to succeed in this role, they require a wide variety of management skills, upper management support, and tools that will help them instill and maintain a positive safety culture. Developing and expanding management skills of construction managers may assist them in dealing with the complexity of the construction work environment, as well as providing them with the tools necessary to decrease work-related injuries.

  14. Modularized construction, structural design and analysis of CANDU 3 plant

    Energy Technology Data Exchange (ETDEWEB)

    Biswas, J K; Wollin, S; Selvadurai, S; Saudy, A M [Atomic Energy of Canada Ltd., Saskatoon, SK (Canada)

    1996-12-31

    CANDU 3 is rated at 450 MW electric, and is a smaller and advanced version of CANDU reactors successfully operating in Canada and abroad. The design uses modularization to minimize the construction schedule and thereby reduce cost. The paper (which is published only as a long summary), deals with the concept of modularization, and with stress analysis of the various civil structures.

  15. Modularized construction, structural design and analysis of CANDU 3 plant

    International Nuclear Information System (INIS)

    Biswas, J.K.; Wollin, S.; Selvadurai, S.; Saudy, A.M.

    1995-01-01

    CANDU 3 is rated at 450 MW electric, and is a smaller and advanced version of CANDU reactors successfully operating in Canada and abroad. The design uses modularization to minimize the construction schedule and thereby reduce cost. The paper (which is published only as a long summary), deals with the concept of modularization, and with stress analysis of the various civil structures

  16. Constructive modelling of structural turbulence: computational experiment

    Energy Technology Data Exchange (ETDEWEB)

    Belotserkovskii, O M; Oparin, A M; Troshkin, O V [Institute for Computer Aided Design, Russian Academy of Sciences, Vtoraya Brestskaya st., 19/18, Moscow, 123056 (Russian Federation); Chechetkin, V M [Keldysh Institute for Applied Mathematics, Russian Academy of Sciences, Miusskaya sq., 4, Moscow, 125047 (Russian Federation)], E-mail: o.bel@icad.org.ru, E-mail: a.oparin@icad.org.ru, E-mail: troshkin@icad.org.ru, E-mail: chech@gin@keldysh.ru

    2008-12-15

    Constructively, the analysis of the phenomenon of turbulence must and can be performed through direct numerical simulations of mechanics supposed to be inherent to secondary flows. This one reveals itself through such instances as large vortices, structural instabilities, vortex cascades and principal modes discussed in this paper. Like fragments of a puzzle, they speak of a motion ordered with its own nuts and bolts, however chaotic it appears at first sight. This opens an opportunity for a multi-oriented approach of which a prime ideology seems to be a rational combination of grid, spectral and statistical methods. An attempt is made to bring together the above instances and produce an alternative point of view on the phenomenon in question when based on the main laws of conservation.

  17. Daily portraits of five and six-year old boys: the play activity

    Directory of Open Access Journals (Sweden)

    Flavia Bignardi da Silva Nunes

    2013-08-01

    Full Text Available Introduction: Daily life experiences provide maturity along human development, and the environments in which they occur are essential for this process. These experiences help to build children’s personalities and the way they deal with the world around them. Objectives: In this study, we aimed to understand the occupational behavior of four children aged five to six years old through their mothers’ reports. Methodology: The average time spent with daily activities is described, and playing was a central theme of analysis. We analyzed the preferences, companies and emotional characteristics of the play activity. We used an Activity Clock and semi-structured interviews with the children’s mothers as data collection instruments. Results: The main results show that most of their daily life time is spent with sleep, school and play activities. They indicate that children prefer games that challenge acquisitions that are under construction. Regarding company, these children still have their mothers as a reference to the play activity, but also peers their age or a little older. Conclusion: Play has an important representation in the daily occupational lives of these children and it stands as a key life experience to acquire skills and face challenges.

  18. Phantasmatic Constructions: Language and Humor and the Interrogation of Identity in Contemporary Filipino Comic Plays

    Directory of Open Access Journals (Sweden)

    Maria Rhodora G. Ancheta

    2011-12-01

    Full Text Available This paper examines the ways in which humor operates to interrogate and assert Filipino identity in the face of an ever invasive hyperreal intervention in Philippine contemporary life, in two contemporary comic plays, “Welcome to IntelStar” by Chris Martinez (2005, and “Psychedelia Apocalypsis” by Nicolas Pichay (2007. In the former, a comic monologue foregrounds the “call center phenomenon” in the Philippines. Outsourced service is shown as a maneuver which loosely transplants English-speaking, ‘American-sounding’ workers within a global economic community, and one which now comically depicts these workers, in fact, as culturally mired subjects negotiating their identity constructions within their everyday lives. “Psychedelia Apocalypsis” is a farcical depiction of an American film crew’s apparently innocent entry into the Philippine highlands to shoot the Francis Ford Coppola film Apocalypse Now; as a result, they become embroiled in the intersections of Filipino history, current Philippine internal conflicts, and Philippine political feuds, thus highlighting the matrix of current Philippine culture and life. In reading these two plays as shifting cultural texts, I seek to examine how the language of humor and the comic strategies used therein (especially citing the role of incongruity theories respond to the creation, or to the evolution of a hyperreal Filipino identity, one that complicates the fixing of a national identity in the face of a culture that has long grappled with this question, given the Philippines’ own colonial and hybrid culture. And while this paper focuses mainly on Filipino texts and problematizes Filipino identity, it is significant to explore the Asian and Third World reverberations of the possibilities and problems of this cultural reengagement and reconsolidation of identity, examined now by way of language and culture.

  19. Unmanned aerial vehicles in construction and worker safety.

    Science.gov (United States)

    Howard, John; Murashov, Vladimir; Branche, Christine M

    2018-01-01

    Applications of unmanned aerial vehicles (UAVs) for military, recreational, public, and commercial uses have expanded significantly in recent years. In the construction industry, UAVs are used primarily for monitoring of construction workflow and job site logistics, inspecting construction sites to assess structural integrity, and for maintenance assessments. As is the case with other emerging technologies, occupational safety assessments of UAVs lag behind technological advancements. UAVs may create new workplace hazards that need to be evaluated and managed to ensure their safe operation around human workers. At the same time, UAVs can perform dangerous tasks, thereby improving workplace safety. This paper describes the four major uses of UAVs, including their use in construction, the potential risks of their use to workers, approaches for risk mitigation, and the important role that safety and health professionals can play in ensuring safe approaches to the their use in the workplace. Published 2017. This article is a U.S. Government work and is in the public domain in the USA.

  20. Optimization of Structural Design for Sustainable Construction of Transmission Tower Based on Topographical Algorithm

    International Nuclear Information System (INIS)

    Muda, Zakaria Che; Thiruchelvam, Sivadass; Mustapha, Kamal Nasharuddin; Omar, Rohayu Che; Usman, Fathoni; Alam, Md Ashrafu

    2013-01-01

    Optimization of transmission tower structures is traditionally based on either optimization of members sizes with fixed topographical shape or based on structural analysis modelling strategies without taking cognizance of fabrication and constructability issue facing the contractors . This paper look into an integrated optimum design approach strategies whereby size, shape and topology are combined together with the fabrication issues in the construction of the transmission tower. The topographical algorithm is based on changing the inclination degree of the legs of the tower at first with optimum individual members sizing and later rationalized member sizes are performed through member groupings for the ease fabrication and construction of the transmission tower. The optimum weight using topographical algorithm obtained for the transmission tower is 10,924 kg for singular members and 18,430 kg for element grouping at 10° inclination angle.

  1. Molecular tools for the construction of peptide-based materials.

    Science.gov (United States)

    Ramakers, B E I; van Hest, J C M; Löwik, D W P M

    2014-04-21

    Proteins and peptides are fundamental components of living systems where they play crucial roles at both functional and structural level. The versatile biological properties of these molecules make them interesting building blocks for the construction of bio-active and biocompatible materials. A variety of molecular tools can be used to fashion the peptides necessary for the assembly of these materials. In this tutorial review we shall describe five of the main techniques, namely solid phase peptide synthesis, native chemical ligation, Staudinger ligation, NCA polymerisation, and genetic engineering, that have been used to great effect for the construction of a host of peptide-based materials.

  2. THE MODELLING OF ORGANIZATIONAL STRUCTURES OF MANAGEMENT BY REALIZING INVESTMENT CONSTRUCTION PROJECTS

    Directory of Open Access Journals (Sweden)

    Олег Александрович КУЧМА

    2016-03-01

    Full Text Available The authors consider the modeling of organizational structures by virtue of interaction between the basic participants by realizing of investment construction projects. This process is directed at the complex analysis of a problem of quality management by creating of building goods taking into account modern project management tendencies. The topicality of problem is obvious as by realizing of investment construction projects there is a liberal share of uncompleted projects, and in the completed projects actual values considerably exceed budgeted capital expenditures. The introduced model allows managing the project per quality system in all phases of the investment construction project‘s life cycle. It promotes refinement of building goods, improves the rate of successfully completed projects with actual values near budgeted.

  3. Manufacturing and Structural Feasibility of Natural Fiber Reinforced Polymeric Structural Insulated Panels for Panelized Construction

    Directory of Open Access Journals (Sweden)

    Nasim Uddin

    2011-01-01

    Full Text Available Natural fibers are emerging in the fields of automobile and aerospace industries to replace the parts such as body panels, seats, and other parts subjected to higher bending strength. In the construction industries, they have the potential to replace the wood and oriented strand boards (OSB laminates in the structural insulated panels (SIPs. They possess numerous advantages over traditional OSB SIPs such as being environmental friendly, recyclable, energy efficient, inherently flood resistant, and having higher strength and wind resistance. This paper mainly focuses on the manufacturing feasibility and structural characterization of natural fiber reinforced structural insulated panels (NSIPs using natural fiber reinforced polymeric (NFRP laminates as skin. To account for the use of natural fibers, the pretreatments are required on natural fibers prior to use in NFRP laminates, and, to address this issue properly, the natural fibers were given bleaching pretreatments. To this end, flexure test and low-velocity impact (LVI tests were carried out on NSIPs in order to evaluate the response of NSIPs under sudden impact loading and uniform bending conditions typical of residential construction. The paper also includes a comparison of mechanical properties of NSIPs with OSB SIPs and G/PP SIPs. The results showed significant increase in the mechanical properties of resulting NSIP panels mainly a 53% increase in load-carrying capacity compared to OSB SIPs. The bending modulus of NSIPs is 190% higher than OSB SIPs and 70% weight reduction compared to OSB SIPs.

  4. Embodied niche construction in the hominin lineage: semiotic structure and sustained attention in human embodied cognition

    Science.gov (United States)

    Stutz, Aaron J.

    2014-01-01

    Human evolution unfolded through a rather distinctive, dynamically constructed ecological niche. The human niche is not only generally terrestrial in habitat, while being flexibly and extensively heterotrophic in food-web connections. It is also defined by semiotically structured and structuring embodied cognitive interfaces, connecting the individual organism with the wider environment. The embodied dimensions of niche-population co-evolution have long involved semiotic system construction, which I hypothesize to be an evolutionarily primitive aspect of learning and higher-level cognitive integration and attention in the great apes and humans alike. A clearly pre-linguistic form of semiotic cognitive structuration is suggested to involve recursively learned and constructed object icons. Higher-level cognitive iconic representation of visually, auditorily, or haptically perceived extrasomatic objects would be learned and evoked through indexical connections to proprioceptive and affective somatic states. Thus, private cognitive signs would be defined, not only by their learned and perceived extrasomatic referents, but also by their associations to iconically represented somatic states. This evolutionary modification of animal associative learning is suggested to be adaptive in ecological niches occupied by long-lived, large-bodied ape species, facilitating memory construction and recall in highly varied foraging and social contexts, while sustaining selective attention during goal-directed behavioral sequences. The embodied niche construction (ENC) hypothesis of human evolution posits that in the early hominin lineage, natural selection further modified the ancestral ape semiotic adaptations, favoring the recursive structuration of concise iconic narratives of embodied interaction with the environment. PMID:25136323

  5. Mechanical characterization and structural assessment of biocomposites for construction

    Science.gov (United States)

    Christian, Sarah Jane

    The objective of this dissertation is to assess whether or not two particular biocomposite materials, made from hemp fabric and cellulose acetate or polyhydroxybutyrate matrices, are capable of being used for structural and/or construction purposes within in the construction and building industry. The objective of this dissertation was addressed by conducting research to meet the following three goals: (1) to measure the basic mechanical properties of hemp/cellulose acetate and hemp/PHB biocomposites and evaluate if they suitable for use in construction applications, (2) to determine how quickly moisture diffuses into the biocomposite materials and how the moisture affects the mechanical behavior, and (3) to determine how well simple models can predict behavior of structural scale laminates in tension and flexure using biocomposite ply behavior. Compression molding was used to manufacturing the biocomposites from hemp fabric and the themoplastic matrices: cellulose acetate and polyhydroxybutyrate. Four methods for determining the fiber volume fraction were evaluated, and the dissolution method, using different solvents for each matrix type, was used to determine the fiber volume fraction for each composite plate manufactured. Both types of biocomposite were tested in tension, compression, shear, and flexure and the measured properties were compared to wood and engineered wood products to assess whether the biocomposite properties are suitable for use in the construction industry. The biocomposites were conditioned in a humid environment to determine the rate of moisture diffusion into the materials. Then saturated specimens and specimens that were saturated and then dried were tested in tension to evaluate how moisture absorption affects the mechanical behavior of the biocomposites. Finally, simple models of laminate behavior based on laminate plate theory were evaluated to determine if ply level behavior could be used to predict structural scale laminate behavior

  6. Management for Construction Materials and Control of Construction Waste in Construction Industry: A Review

    OpenAIRE

    A. A. Gulghane; Prof P. V. Khandve

    2015-01-01

    In recent treads a wide range of building materials is available for the construction of civil engineering structures. The total cost of materials may be up to 60% or more of the total cost incurred in construction project dependent upon the type of project. Effective construction materials management is a key to success for a construction project. Construction waste is another serious problem in construction industry. A large and various types of construction waste with different...

  7. USAGE OF CONSTRUCTION-ORIENTED SOFTWARE SCAD FOR ANALYSIS OF WORK OF MACHINE-BUILDING STRUCTURES

    Directory of Open Access Journals (Sweden)

    D. О. Bannikov

    2018-02-01

    Full Text Available Purpose. In the case of analysis of work of the machine-building structures, the direct usage of construction-oriented software developments is impossible, since ideology and methodology for solving various tasks in construction and machine-building are different. Therefore, in the conducting of practical calculations, there is a need for a certain adjustment of the approaches put in the program complexes and their adaptation to the engineering industry. The presentation of the author's experience of the construction-oriented software SCAD usage for Windows for analyzing the work of various machine-building structures, their components and assemblies is the immediate purpose of the publication. Methodology. During a long period of time the author was engaged in analyzing the work of building, mainly thin-walled, steel structures using the Finite Element Method based on the SCAD for Windows software package. At the same time, a considerable number of machine-building structures were considered, including railroad rolling stock units. Most of these tasks grew into a scientific and research problem that needed to be thoroughly researched and analyzed before giving design recommendations. Findings. The publication presents more than a dozen different tasks, typical for the machine-building industry, which the author had to deal with. Static and quasi-static problems, the problem of motion in time, the contact problem, the problem of the cracks deve-lopment, the physical and geometric non-linearity are among them. Accordingly, for each of these problems the main challenges, features and practical techniques developed during the work are presented, as well as the constructed finite element models are presented as an illustration. Originality. The experience of construction-oriented software product usage on the basis of the Finite Element Method for analyzing of the work of machine-building structures is generalized. A number of practical methods and

  8. What role does the real estate–construction sector play in China's regional economy?

    NARCIS (Netherlands)

    Ren, Honghao; Folmer, Henk; van der Vlist, Arno J.

    2014-01-01

    Urbanization, industrialization and real estate reform have led to a vast growth of the real estate–construction sector in China. Using the 2002 and 2007 provincial input–output tables, this paper examines the importance of the real estate–construction sector in the Chinese economy by applying the

  9. Metaphor, symbolic play, and logical thought in early childhood.

    Science.gov (United States)

    Seitz, J A

    1997-11-01

    Development of the ability to understand diverse types of metaphor was examined in terms of play context (symbolic vs. constructive-object play), Piagetian operational level (preoperational vs. concrete-operational), and medium of presentation (pictures vs. words). Forty 4-year-olds and 80 6-year-olds (40 preoperational, 40 concrete-operational) were presented with six different types of metaphorical relationships (color, shape, physiognomic, cross-modal, psychological-physical, and taxonomic matches) in both pictures and words in a match-to-sample design. Results indicated that (a) constructive-object play, rather than symbolic play, facilitated the understanding of perceptual and taxonomic metaphor, suggesting differences in early styles of metaphoric usage; (b) despite previous findings, the study failed to replicate a relationship between operativity and metaphoric understanding; and (c) younger children did significantly better in the pictorial medium, suggesting a picture-superiority effect for more perceptible metaphorical relations (perceptual and physiognomic), whereas older children showed a word-superiority effect for more conceptual metaphors (psychological-physical and taxonomic).

  10. Construction Management of Electromechanical Engineering Project in Petrochemical Construction

    Directory of Open Access Journals (Sweden)

    Xi Tao

    2017-03-01

    Full Text Available Petrochemical industry as a basic industry, occupies a pivotal position in the national economy, with the continuous development of science and technology, electromechanical automation in the petrochemical industry has been widely used to save a lot of labor but also greatly improve the oil Chemical industry production efficiency. Therefore, in the construction of petrochemical industry, mechanical and electrical engineering as part of it. It plays a vital role. Petrochemical industry with the production of high temperature and high pressure and flammable and explosive gas, can strengthen the construction of mechanical and electrical engineering specialization and construction management of scientific, has become the relationship between the smooth development of mechanical and electrical engineering and engineering quality of the key, A direct impact on the petrochemical construction of the overall construction quality. To this end, it is necessary for the construction of petrochemical construction of electromechanical engineering construction management to promote the construction of mechanical and electrical engineering management level gradually increased. This article on the machine Electric engineering project construction management were discussed with a view to the petrochemical construction in the relevant aspects of the need to provide reference for reference.

  11. Revisiting play elements and self-handicapping in play: a comparative ethogram of five Old World monkey species.

    Science.gov (United States)

    Petrů, Milada; Spinka, Marek; Charvátová, Veronika; Lhota, Stanislav

    2009-08-01

    Play behavior has been viewed as a mixture of elements drawn from "serious" behavior, interspersed by ritualized play signals. Two other types of play behaviors have been overlooked: patterns that are dissimilar from any serious behavior and patterns with self-handicapping character, that is, those that put the animal into unnecessary disadvantageous positions or situations. Here the authors show that these 2 types of patterns can constitute a major part of play repertoire. From our own videorecordings and observations, we constructed play ethograms of 5 monkey species (Semnopithecus entellus, Erythrocebus patas, Chlorocebus pygerythrus, Cercopithecus neglectus, and Cercopithecus diana). The authors evaluated the self-handicapping character of each pattern and in Hanuman langurs also the (dis)similarity to serious behavior. Of the 74 patterns in the 5 species, 33 (45%) were judged to have a self-handicapping character. Of 48 patterns observed in langurs, 16 (33%) were totally dissimilar to any serious langur behavior known to us. The authors discuss the possibility that the different types of play elements may have different functions in play. Copyright 2009 APA, all rights reserved.

  12. Generalized internal long wave equations: construction, hamiltonian structure and conservation laws

    International Nuclear Information System (INIS)

    Lebedev, D.R.

    1982-01-01

    Some aspects of the theory of the internal long-wave equations (ILW) are considered. A general class of the ILW type equations is constructed by means of the Zakharov-Shabat ''dressing'' method. Hamiltonian structure and infinite numbers of conservation laws are introduced. The considered equations are shown to be Hamiltonian in the so-called second Hamiltonian structu

  13. Growth factor stimulation improves the structure and properties of scaffold-free engineered auricular cartilage constructs.

    Directory of Open Access Journals (Sweden)

    Renata G Rosa

    Full Text Available The reconstruction of the external ear to correct congenital deformities or repair following trauma remains a significant challenge in reconstructive surgery. Previously, we have developed a novel approach to create scaffold-free, tissue engineering elastic cartilage constructs directly from a small population of donor cells. Although the developed constructs appeared to adopt the structural appearance of native auricular cartilage, the constructs displayed limited expression and poor localization of elastin. In the present study, the effect of growth factor supplementation (insulin, IGF-1, or TGF-β1 was investigated to stimulate elastogenesis as well as to improve overall tissue formation. Using rabbit auricular chondrocytes, bioreactor-cultivated constructs supplemented with either insulin or IGF-1 displayed increased deposition of cartilaginous ECM, improved mechanical properties, and thicknesses comparable to native auricular cartilage after 4 weeks of growth. Similarly, growth factor supplementation resulted in increased expression and improved localization of elastin, primarily restricted within the cartilaginous region of the tissue construct. Additional studies were conducted to determine whether scaffold-free engineered auricular cartilage constructs could be developed in the 3D shape of the external ear. Isolated auricular chondrocytes were grown in rapid-prototyped tissue culture molds with additional insulin or IGF-1 supplementation during bioreactor cultivation. Using this approach, the developed tissue constructs were flexible and had a 3D shape in very good agreement to the culture mold (average error <400 µm. While scaffold-free, engineered auricular cartilage constructs can be created with both the appropriate tissue structure and 3D shape of the external ear, future studies will be aimed assessing potential changes in construct shape and properties after subcutaneous implantation.

  14. Growth Factor Stimulation Improves the Structure and Properties of Scaffold-Free Engineered Auricular Cartilage Constructs

    Science.gov (United States)

    Rosa, Renata G.; Joazeiro, Paulo P.; Bianco, Juares; Kunz, Manuela; Weber, Joanna F.; Waldman, Stephen D.

    2014-01-01

    The reconstruction of the external ear to correct congenital deformities or repair following trauma remains a significant challenge in reconstructive surgery. Previously, we have developed a novel approach to create scaffold-free, tissue engineering elastic cartilage constructs directly from a small population of donor cells. Although the developed constructs appeared to adopt the structural appearance of native auricular cartilage, the constructs displayed limited expression and poor localization of elastin. In the present study, the effect of growth factor supplementation (insulin, IGF-1, or TGF-β1) was investigated to stimulate elastogenesis as well as to improve overall tissue formation. Using rabbit auricular chondrocytes, bioreactor-cultivated constructs supplemented with either insulin or IGF-1 displayed increased deposition of cartilaginous ECM, improved mechanical properties, and thicknesses comparable to native auricular cartilage after 4 weeks of growth. Similarly, growth factor supplementation resulted in increased expression and improved localization of elastin, primarily restricted within the cartilaginous region of the tissue construct. Additional studies were conducted to determine whether scaffold-free engineered auricular cartilage constructs could be developed in the 3D shape of the external ear. Isolated auricular chondrocytes were grown in rapid-prototyped tissue culture molds with additional insulin or IGF-1 supplementation during bioreactor cultivation. Using this approach, the developed tissue constructs were flexible and had a 3D shape in very good agreement to the culture mold (average error tissue structure and 3D shape of the external ear, future studies will be aimed assessing potential changes in construct shape and properties after subcutaneous implantation. PMID:25126941

  15. Development of Additive Construction Technologies for Application to Development of Lunar/Martian Surface Structures Using In-Situ Materials

    Science.gov (United States)

    Werkheiser, Niki J.; Fiske, Michael R.; Edmunson, Jennifer E.; Khoshnevis, Berokh

    2015-01-01

    For long-duration missions on other planetary bodies, the use of in situ materials will become increasingly critical. As human presence on these bodies expands, so must the breadth of the structures required to accommodate them including habitats, laboratories, berms, radiation shielding for natural radiation and surface reactors, garages, solar storm shelters, greenhouses, etc. Planetary surface structure manufacturing and assembly technologies that incorporate in situ resources provide options for autonomous, affordable, pre-positioned environments with radiation shielding features and protection from micrometeorites, exhaust plume debris, and other hazards. The ability to use in-situ materials to construct these structures will provide a benefit in the reduction of up-mass that would otherwise make long-term Moon or Mars structures cost prohibitive. The ability to fabricate structures in situ brings with it the ability to repair these structures, which allows for the self-sufficiency and sustainability necessary for long-duration habitation. Previously, under the auspices of the MSFC In-Situ Fabrication and Repair (ISFR) project and more recently, under the jointly-managed MSFC/KSC Additive Construction with Mobile Emplacement (ACME) project, the MSFC Surface Structures Group has been developing materials and construction technologies to support future planetary habitats with in-situ resources. One such additive construction technology is known as Contour Crafting. This paper presents the results to date of these efforts, including development of novel nozzle concepts for advanced layer deposition using this process. Conceived initially for rapid development of cementitious structures on Earth, it also lends itself exceptionally well to the automated fabrication of planetary surface structures using minimally processed regolith as aggregate, and binders developed from in situ materials as well. This process has been used successfully in the fabrication of

  16. Embodied Niche Construction in the Hominin Lineage: Semiotic Structure and Sustained Attention in Human Embodied Cognition

    Directory of Open Access Journals (Sweden)

    Aaron Jonas Stutz

    2014-08-01

    Full Text Available Human evolution unfolded through a rather distinctive, dynamically constructed ecological niche. The human niche is not only generally terrestrial in habitat, while being flexibly and extensively heterotrophic in food-web connections. It is also defined by semiotically structured and structuring embodied cognitive interfaces, connecting the individual organism with the wider environment. The embodied dimensions of niche-population co-evolution have long involved semiotic system construction, which I hypothesize to be an evolutionarily primitive aspect of learning and higher-level cognitive integration and attention in the great apes and humans alike. A clearly pre-linguistic form of semiotic cognitive structuration is suggested to involve recursively learned and constructed object icons. Higher-level cognitive iconic representation of visually, auditorily, or haptically perceived extrasomatic objects would be learned and evoked through indexical connections to proprioceptive and affective somatic states. Thus, private cognitive signs would be defined, not only by their learned and perceived extrasomatic referents, but also by their associations to iconically represented somatic states. This evolutionary modification of animal associative learning is suggested to be adaptive in ecological niches occupied by long-lived, large-bodied ape species, facilitating memory construction and recall in highly varied foraging and social contexts, while sustaining selective attention during goal-directed behavioral sequences. The embodied niche construction (ENC hypothesis of human evolution posits that in the early hominin lineage, natural selection further modified the ancestral ape semiotic adaptations, favoring the recursive structuration of concise iconic narratives of embodied interaction with the environment.

  17. The effect of organizational structure on innovation capacity in ...

    African Journals Online (AJOL)

    The effect of organizational structure on innovation capacity in Moroccan ... in management sciences shows that the construct of innovation constitutes a major ... work on entrepreneurial orientation, the ability to launch new products or services. ... organizational structure plays a central role in the development of a dynamic ...

  18. Skill-Based and Planned Active Play Versus Free-Play Effects on Fundamental Movement Skills in Preschoolers.

    Science.gov (United States)

    Roach, Lindsay; Keats, Melanie

    2018-01-01

    Fundamental movement skill interventions are important for promoting physical activity, but the optimal intervention model for preschool children remains unclear. We compared two 8-week interventions, a structured skill-station and a planned active play approach, to a free-play control condition on pre- and postintervention fundamental movement skills. We also collected data regarding program attendance and perceived enjoyment. We found a significant interaction effect between intervention type and time. A Tukey honest significant difference analysis supported a positive intervention effect showing a significant difference between both interventions and the free-play control condition. There was a significant between-group difference in group attendance such that mean attendance was higher for both the free-play and planned active play groups relative to the structured skill-based approach. There were no differences in attendance between free-play and planned active play groups, and there were no differences in enjoyment ratings between the two intervention groups. In sum, while both interventions led to improved fundamental movement skills, the active play approach offered several logistical advantages. Although these findings should be replicated, they can guide feasible and sustainable fundamental movement skill programs within day care settings.

  19. Supply Chain Management In Construction Revealed

    OpenAIRE

    Dr. Ghaith Al-Werikat

    2017-01-01

    The construction supply chain plays a major role in the construction market competition. Construction supply chain management assists enterprises by helping to improve competitiveness increase profits and have more control over the different factors and variables within the project. This paper discusses the construction supply chain characteristics challenges and problems supply chains encounter and the benefits of an integrated supply chain in the construction sector.

  20. Research on construction quality and improvement of assembly construction

    Science.gov (United States)

    Cheng, Fei

    2017-11-01

    Based on the acceleration of the urbanization process and the improvement of the quality of life of our residents, the demand for building construction has been increasing. In this context, the construction industry in order to promote the construction efficiency, quality improvement, to meet the needs of the development of the times to strengthen the new technology, the use of new technologies. At present, China’s engineering construction units in the process of carrying out the project to strengthen the use of assembly-type construction technology, which thus achieved for the traditional construction work low-level, high time-consuming issues, and promote the steady improvement of production efficiency. Based on this, this paper focuses on the analysis of the connotation of the assembly structure and analyzes the quality problems in the construction process of the construction projects and puts forward the improvement measures to promote the improvement of the building quality and the construction of the building Construction speed. Based on this, this paper analyzes the structural system and design of prefabricated building.

  1. Capital Structure Influence on Construction Firm Performance

    Directory of Open Access Journals (Sweden)

    Jayiddin Nur Faezah

    2017-01-01

    Full Text Available The interconnectedness between capital structure and firm performance is a topic of high interest among scholars and management alike. The scholars tend to unveil the why segment of the relationship, while the management looks into the how side to promote capital structure policy which can optimise the firm performance. While many studies have looked into this relationship across multiple industries and spanning across decades of data, the current study trains its lens on Malaysian public listed company companies which operate in the construction sector, and with data window between 2010 to 2014. This specific sector was chosen for their high gearing which renders firms to relatively high insolvency exposure emanating from interest rate fluctuations. The five-year timeframe was selected to isolate potential data contaminations streaming from global financial crisis which winds down in 2009. Financial data of the company were extracted from Bloomberg Terminal based on a pre-prepared list of Bloomberg tickers. A total of 225 observations were recorded in this study. Using Tobin’s Q as a proxy for firm performance, this study finds a mixed result where short term debts ratio indicates a significant negative effect, while long term debt ratio presents a non-significant influence. Explanations on this output are therefore discussed in this paper.

  2. Strain Measurement of Steel Roof Truss Using FBG Sensor during Construction of Reverse Shell Shaped Reinforced Concrete Structure

    Energy Technology Data Exchange (ETDEWEB)

    Lee, Kun Woo [Kyungpook National University, Daegu (Korea, Republic of); Rhim, Hong Chul; Seo, Tae Seok [Yonsei University, Seoul (Korea, Republic of)

    2011-08-15

    Application of FBG (Fiber Bragg Grating) sensors to measure strain of steel roof trusses has been performed. This is to check and confirm the structural integrity of an unusually shaped, reverse shell structure made of reinforced concrete. The issue was to place sensors at proper location and compare the measured values to the results from structural analysis. It has been learned that a deliberate measurement scheme is needed in order to monitor a complex structure during construction. In this study, the measured values were within allowable range of strain, thus confirming the safety of the structure during measurement and construction.

  3. Sensitivity analysis of human brain structural network construction

    Directory of Open Access Journals (Sweden)

    Kuang Wei

    2017-12-01

    Full Text Available Network neuroscience leverages diffusion-weighted magnetic resonance imaging and tractography to quantify structural connectivity of the human brain. However, scientists and practitioners lack a clear understanding of the effects of varying tractography parameters on the constructed structural networks. With diffusion images from the Human Connectome Project (HCP, we characterize how structural networks are impacted by the spatial resolution of brain atlases, total number of tractography streamlines, and grey matter dilation with various graph metrics. We demonstrate how injudicious combinations of highly refined brain parcellations and low numbers of streamlines may inadvertently lead to disconnected network models with isolated nodes. Furthermore, we provide solutions to significantly reduce the likelihood of generating disconnected networks. In addition, for different tractography parameters, we investigate the distributions of values taken by various graph metrics across the population of HCP subjects. Analyzing the ranks of individual subjects within the graph metric distributions, we find that the ranks of individuals are affected differently by atlas scale changes. Our work serves as a guideline for researchers to optimize the selection of tractography parameters and illustrates how biological characteristics of the brain derived in network neuroscience studies can be affected by the choice of atlas parcellation schemes. Diffusion tractography has been proven to be a promising noninvasive technique to study the network properties of the human brain. However, how various tractography and network construction parameters affect network properties has not been studied using a large cohort of high-quality data. We utilize data provided by the Human Connectome Project to characterize the changes to network properties induced by varying the brain parcellation atlas scales, the number of reconstructed tractography tracks, and the degree of grey

  4. A role-play approach for teaching research methodology in construction management

    NARCIS (Netherlands)

    Hartmann, Andreas; Doree, Andries G.; Martin, Ludwig; Dainty, A

    2008-01-01

    Assignments of Construction Management (CM) graduate programmes often require students to carry out research on real-world problems. To prepare students for this task, many CM-programmes contain a research methodology course. However, after taking part in these courses, many students still lack the

  5. Gender Differences in the Object-Oriented Play of Preschoolers with Cognitive Delays.

    Science.gov (United States)

    Malone, D. Michael; Langone, John

    1995-01-01

    Comparison of gender differences in the observed play of 30 preschool children with cognitive delays found that, overall, boys engaged in more functional play and were more sophisticated when playing with a vehicle toy set whereas girls engaged in more constructive play and demonstrated greater sophistication with respect to doll toys. (Author/DB)

  6. Direct AFM observation of an opening event of a DNA cuboid constructed via a prism structure.

    Science.gov (United States)

    Endo, Masayuki; Hidaka, Kumi; Sugiyama, Hiroshi

    2011-04-07

    A cuboid structure was constructed using a DNA origami design based on a square prism structure. The structure was characterized by atomic force microscopy (AFM) and dynamic light scattering. The real-time opening event of the cuboid was directly observed by high-speed AFM.

  7. Tools for Social Construction

    DEFF Research Database (Denmark)

    Brynskov, Martin

    for social construction, i.e. supporting staging, performing, and sharing of playful activities involving people and artifacts.             The method used is a triangulation of the problem domain—pervasive media systems for children—from three perspectives: theory, design, and empirical work......: the potential of pervasive media systems to support the children’s social construction.  ......In this dissertation, I propose a new type of playful media for children. Based on field work, prototypes, and theoretical development, I define, build, and explore a distinct cross-section of existing and new digital media, tools, and communication devices in order to assess the characteristics...

  8. Ross Works on the Assembly Concept for Construction of Erectable Space Structure (ACCESS) During

    Science.gov (United States)

    1985-01-01

    The crew assigned to the STS-61B mission included Bryan D. O'Conner, pilot; Brewster H. Shaw, commander; Charles D. Walker, payload specialist; mission specialists Jerry L. Ross, Mary L. Cleave, and Sherwood C. Spring; and Rodolpho Neri Vela, payload specialist. Launched aboard the Space Shuttle Atlantis November 28, 1985 at 7:29:00 pm (EST), the STS-61B mission's primary payload included three communications satellites: MORELOS-B (Mexico); AUSSAT-2 (Australia); and SATCOM KU-2 (RCA Americom). Two experiments were conducted to test assembling erectable structures in space: EASE (Experimental Assembly of Structures in Extravehicular Activity), and ACCESS (Assembly Concept for Construction of Erectable Space Structure). In a joint venture between NASA/Langley Research Center in Hampton, Virginia, and the Marshall Space Flight Center (MSFC), EASE and ACCESS were developed and demonstrated at MSFC's Neutral Buoyancy Simulator (NBS). In this STS-61B onboard photo, astronaut Ross works on ACCESS high above the orbiter. The primary objective of these experiments was to test the structural assembly concepts for suitability as the framework for larger space structures and to identify ways to improve the productivity of space construction.

  9. Supply Chain Management In Construction Revealed

    Directory of Open Access Journals (Sweden)

    Dr. Ghaith Al-Werikat

    2017-03-01

    Full Text Available The construction supply chain plays a major role in the construction market competition. Construction supply chain management assists enterprises by helping to improve competitiveness increase profits and have more control over the different factors and variables within the project. This paper discusses the construction supply chain characteristics challenges and problems supply chains encounter and the benefits of an integrated supply chain in the construction sector.

  10. Construction the organizational structure of the MTE oriented on the business-processes management

    OpenAIRE

    Kohut, Y.

    2011-01-01

    The methodical recommendations for the construction the organizational structure of the MTE oriented on the business-processes management has been developed by substantiating of basic works, maintenance, sequence and orientation, and also methods and receptions of their realization.

  11. Structured Play Therapy Groups for Preschoolers: facilitating the emergence of social competence.

    Science.gov (United States)

    Stone, Susan; Stark, Martha

    2013-01-01

    Over the years, we have developed a working model of Structured Play Therapy Groups for Preschoolers, an innovative treatment approach designed to address the needs of young children ages 3 to 5 struggling to adjust to the social demands of their preschool classrooms. These short-term therapy groups facilitate development of the young child's social competence and capacity to participate effectively in a classroom environment. Although the literature on therapy groups for children suggests that preschoolers are not yet evolved enough developmentally to engage actively in a group process, our experience indicates otherwise. The model of treatment presented here will therefore challenge that contention with the claim that not only can preschoolers participate in a structured therapy group of peers but they can, by virtue of that very participation, benefit in ways that will prepare them (as they transition from preschool to kindergarten) for the ever-increasing demands of their ever-expanding social milieus.

  12. A formal anthropological view of motivation models of problematic MMO play: achievement, social, and immersion factors in the context of culture.

    Science.gov (United States)

    Snodgrass, Jeffrey G; Dengah, H J Francois; Lacy, Michael G; Fagan, Jesse

    2013-04-01

    Yee (2006) found three motivational factors-achievement, social, and immersion-underlying play in massively multiplayer online role-playing games ("MMORPGs" or "MMOs" for short). Subsequent work has suggested that these factors foster problematic or addictive forms of play in online worlds. In the current study, we used an online survey of respondents (N = 252), constructed and also interpreted in reference to ethnography and interviews, to examine problematic play in the World of Warcraft (WoW; Blizzard Entertainment, 2004-2013). We relied on tools from psychological anthropology to reconceptualize each of Yee's three motivational factors in order to test for the possible role of culture in problematic MMO play: (a) For achievement, we examined how "cultural consonance" with normative understandings of success might structure problematic forms of play; (b) for social, we analyzed the possibility that developing overvalued virtual relationships that are cutoff from offline social interactions might further exacerbate problematic play; and (c) in relation to immersion, we examined how "dissociative" blurring of actual- and virtual-world identities and experiences might contribute to problematic patterns. Our results confirmed that compared to Yee's original motivational factors, these culturally sensitive measures better predict problematic forms of play, pointing to the important role of sociocultural factors in structuring online play.

  13. PERSONALITY AND CHARACTER PREFERENCE IN ROLE-PLAYING GAMES

    Directory of Open Access Journals (Sweden)

    Pedro José Ramos-Villagrasa

    2010-11-01

    Full Text Available In role-playing games players perform participative and episodic stories. Personality is a psychological construct associated with decision processes in many aspects of life. In this study, we analyzed if Big Five Personality Factors were related to game character preferences in the role-playing game “Dungeons & Dragons”. Results show that Personality is related only in the decision of character’s class. We also study the relationship between Personality and plots in role-playing games (action, intrigue, mystery, and personal relationships. Finally, recommendations to further investigation were given.

  14. Defining the student burnout construct: a structural analysis from three burnout inventories.

    Science.gov (United States)

    Maroco, João; Campos, Juliana Alvares Duarte Bonini

    2012-12-01

    College student burnout has been assessed mainly with the Maslach burnout inventory (MBI). However, the construct's definition and measurement with MBI has drawn several criticisms and new inventories have been suggested for the evaluation of the syndrome. A redefinition of the construct of student burnout is proposed by means of a structural equation model, reflecting burnout as a second order factor defined by factors from the MBI-student survey (MBI-SS); the Copenhagen burnout inventory-student survey (CBI-SS) and the Oldenburg burnout inventory-student survey (OLBI-SS). Standardized regression weights from Burnout to Exhaustion and Cynicism from the MBI-SS scale, personal burnout and studies related burnout from the CBI, and exhaustion and disengagement from OLBI, show that these factors are strong manifestations of students' burnout. For college students, the burnout construct is best defined by two dimensions described as "physical and psychological exhaustion" and "cynicism and disengagement".

  15. Construction and operation costs of constructed wetlands treating wastewater.

    Science.gov (United States)

    Gkika, Dimitra; Gikas, Georgios D; Tsihrintzis, Vassilios A

    2014-01-01

    Design data from nine constructed wetlands (CW) facilities of various capacities (population equivalent (PE)) are used to estimate construction and operation costs, and then to derive empirical equations relating the required facility land area and the construction cost to PE. In addition, comparisons between the costs of CW facilities based on various alternative construction materials, i.e., reinforced concrete and earth structures (covered with either high density polyethylene or clay), are presented in relation to the required area. The results show that earth structures are economically advantageous. The derived equations can be used for providing a preliminary cost estimate of CW facilities for domestic wastewater treatment.

  16. We're in Math Class Playing Games, Not Playing Games in Math Class

    Science.gov (United States)

    McFeetors, P. Janelle; Palfy, Kylie

    2017-01-01

    Early experiences of reasoning while playing games of strategy are foundational for future proofs that students will be expected to build using conventionally structured arguments. But how did game playing in school occur? How can educators be sure that mathematical reasoning is going on? The authors investigated these questions to understand how…

  17. Construction method for plant facility

    International Nuclear Information System (INIS)

    Ito, Arata; Hirono, Hideharu; Kyoda, Shigeru; Hanawa, Minoru; Sato, Hitoshi

    1998-01-01

    A caisson structure is disposed on a construction site for facilities of nuclear power plants. A digging work is performed below the caisson structure and, simultaneous with the digging work, a construction of a base, construction of plant facilities including a building and installation of plant facility are performed on the caisson structure. Then, the caisson structure is sank together with the structures on a base rock in association with the progress of the digging work and secured on the base rock. When securing them on the base rock, a groove is formed to the base rock along tuyere of the caisson structure so that the tuyere and a ceiling portion of the caisson structure are in direct contact with the base rock. Since the construction for the containing building conducted on the caisson structure is performed simultaneous with the digging work conducted below the caisson structure, the term required for the construction of the plant facilities can greatly reduced. (N.H.)

  18. Construal operations of the English progressive construction

    DEFF Research Database (Denmark)

    Jensen, Kim Ebensgaard

    2011-01-01

    present paper provides an overview of construal operations that are likely to be at play in the construction of the aspectual and actional meaning components of the progressive construction. The discussion also involves instances of the progressive construction, which display low semantic compatibility...

  19. Application and Mechanics Analysis of Multi-Function Construction Platforms in Prefabricated-Concrete Construction

    Science.gov (United States)

    Wang, Meihua; Li, Rongshuai; Zhang, Wenze

    2017-11-01

    Multi-function construction platforms (MCPs) as an “old construction technology, new application” of the building facade construction equipment, its efforts to reduce labour intensity, improve labour productivity, ensure construction safety, shorten the duration of construction and other aspects of the effect are significant. In this study, the functional analysis of the multi-function construction platforms is carried out in the construction of the assembly building. Based on the general finite element software ANSYS, the static calculation and dynamic characteristics analysis of the MCPs structure are analysed, the simplified finite element model is constructed, and the selection of the unit, the processing and solution of boundary are under discussion and research. The maximum deformation value, the maximum stress value and the structural dynamic characteristic model are obtained. The dangerous parts of the platform structure are analysed, too. Multiple types of MCPs under engineering construction conditions are calculated, so as to put forward the rationalization suggestions for engineering application of the MCPs.

  20. Tapered structure construction

    Science.gov (United States)

    Smith, Eric D.; Takata, Rosalind K.; Slocum, Alexander H.; Nayfeh, Samir A.

    2016-04-05

    Feeding stock used to form a tapered structure into a curving device such that each point on the stock undergoes rotational motion about a peak location of the tapered structure; and the stock meets a predecessor portion of stock along one or more adjacent edges.

  1. Technical features of steel structure construction by Kawasaki Steel; Kawasaki Seitetsu no kokozo gijutsu no tokucho

    Energy Technology Data Exchange (ETDEWEB)

    Kaneko, T.; Urata, I.; Okata, S. [Kawasaki Steel Corp., Tokyo (Japan)

    1996-03-01

    In the steel structure technology of Kawasaki Steel, the joint technique (e.g., welding) is added to them while developing or improving the products that meet the social needs as a material supplier. Moreover, the execution technique that manufactures materials or constructs them as an integrated structure, the structural analysis that conforms to the function and application of a structure, and the design technique on dynamic properties or durability such as earthquake resistance, fatigue, and corrosion resistance are synthetically expanded for engineering. In this paper, a building steel frame, non-residence building, bridge, and harbor structure as steel structure in the building and construction fields were described for each structure genre. The structural technology of a building steel frame is summarized to the products of pillar materials. An earthquake brace, using a dead soft steel, with high earthquake energy absorption capability and a damping wall were also developed. The design and execution technique of a large roof was systematized. The exchange technique of a road bridge RC floor and the technique of an unstiffened suspension bridge for pipeline were developed. A new technique was also developed for a suspension monorail track and offshore structure. 30 refs., 5 figs.

  2. Ship construction and welding

    CERN Document Server

    Mandal, Nisith R

    2017-01-01

    This book addresses various aspects of ship construction, from ship types and construction materials, to welding technologies and accuracy control. The contents of the book are logically organized and divided into twenty-one chapters. The book covers structural arrangement with longitudinal and transverse framing systems based on the service load, and explains basic structural elements like hatch side girders, hatch end beams, stringers, etc. along with structural subassemblies like floors, bulkheads, inner bottom, decks and shells. It presents in detail double bottom construction, wing tanks & duct keels, fore & aft end structures, etc., together with necessary illustrations. The midship sections of various ship types are introduced, together with structural continuity and alignment in ship structures. With regard to construction materials, the book discusses steel, aluminum alloys and fiber reinforced composites. Various methods of steel material preparation are discussed, and plate cutting and form...

  3. Manhattan Project buildings and facilities at the Hanford Site: A construction history

    Energy Technology Data Exchange (ETDEWEB)

    Gerber, M.S.

    1993-09-01

    This document thoroughly examines the role that the Hanford Engineer Works played in the Manhattan project. The historical aspects of the buildings and facilities are characterized. An in depth look at the facilities, including their functions, methods of fabrication and appearance is given for the 100 AREAS, 200 AREAS, 300 AREAS, 500, 800 and 900 AREAS, 600 AREA, 700 AREA, 1100 AREA and temporary construction structures.

  4. Manhattan Project buildings and facilities at the Hanford Site: A construction history

    International Nuclear Information System (INIS)

    Gerber, M.S.

    1993-09-01

    This document thoroughly examines the role that the Hanford Engineer Works played in the Manhattan project. The historical aspects of the buildings and facilities are characterized. An in depth look at the facilities, including their functions, methods of fabrication and appearance is given for the 100 AREAS, 200 AREAS, 300 AREAS, 500, 800 and 900 AREAS, 600 AREA, 700 AREA, 1100 AREA and temporary construction structures

  5. Effect of organizational structures and types of construction on perceptions of factors contributing to project failure in pakistan

    International Nuclear Information System (INIS)

    Gazder, U.; Khan, R.A.

    2018-01-01

    The construction industry is viewed as the regulator of national economy globally. Its importance in Pakistan has increased greatly because of the involvement of international funding agencies in infrastructure projects. The feasibility of such projects is largely dependent upon the satisfaction of multiple stakeholders. Hence, it is important to explore the factors considered by different construction organizations in evaluating the failure of their projects. This study focuses on providing a rating of factors affecting construction project failures in the construction industry of Karachi. In addition to that, difference in perception between professionals belonging to different construction projects and organizational structures has also been evaluated. The results of this study show that factors related to project planning and management are rated higher by professionals in general. Secondly, it was also observed that client satisfaction and its related factors were rated higher by organizations with project based management structures. (author)

  6. ISO in the Construction and Manufacturing Companies: A Case Study from the Construction Industry of Hyderabad and Karachi, Pakistan

    OpenAIRE

    Nafees Ahmed Memon; Qazi Muhammad Moinuddin Abro; Zubair Ahmed Memon

    2011-01-01

    Construction industry plays very important role in development of any country. The development of construction industry depends to a larger extent on quality of construction productions and projects. Quality of construction productions and projects is linked with the implementation of QMS (Quality Management System) in construction organizations. ISO certification is one of the QMS which has been adopted in manufacturing and construction industry at the global level. The constr...

  7. On play and playing.

    Science.gov (United States)

    Rudan, Dusko

    2013-12-01

    The paper offers a review of the development of the concept of play and playing. The true beginnings of the development of the theories of play are set as late as in the 19th century. It is difficult to define play as such; it may much more easily be defined through its antipode--work. In the beginning, play used to be connected with education; it was not before Freud's theory of psychoanalysis and Piaget's developmental psychology that the importance of play in a child's development began to be explained in more detail. The paper further tackles the role of play in the adult age. Detailed attention is paid to psychodynamic and psychoanalytic authors, in particular D. W. Winnicott and his understanding of playing in the intermediary (transitional) empirical or experiential space. In other words, playing occupies a space and time of its own. The neuroscientific concept of playing is also tackled, in the connection with development as well.

  8. Tomography reconstruction methods for damage diagnosis of wood structure in construction field

    Science.gov (United States)

    Qiu, Qiwen; Lau, Denvid

    2018-03-01

    The structural integrity of wood building element plays a critical role in the public safety, which requires effective methods for diagnosis of internal damage inside the wood body. Conventionally, the non-destructive testing (NDT) methods such as X-ray computed tomography, thermography, radar imaging reconstruction method, ultrasonic tomography, nuclear magnetic imaging techniques, and sonic tomography have been used to obtain the information about the internal structure of wood. In this paper, the applications, advantages and disadvantages of these traditional tomography methods are reviewed. Additionally, the present article gives an overview of recently developed tomography approach that relies on the use of mechanical and electromagnetic waves for assessing the structural integrity of wood buildings. This developed tomography reconstruction method is believed to provide a more accurate, reliable, and comprehensive assessment of wood structural integrity

  9. Quality assurance during construction of civil engineering structures important to safety of nuclear facilities

    International Nuclear Information System (INIS)

    2011-11-01

    The present manual is developed to deal with quality assurance aspect of civil engineering structures in a greater detail. This manual gives detail to develop QA plans specific to multifarious activities of civil engineering construction

  10. Structural Analysis of Technical-Tactical Elements in Table Tennis and their Role in Different Playing Zones.

    Science.gov (United States)

    Munivrana, Goran; Petrinović, Lidija Zekan; Kondrič, Miran

    2015-09-29

    For the purpose of determining the overall structure of technical-tactical elements in table tennis and evaluating their role in different playing zones around the table, a new measuring instrument (a questionnaire) was formulated that took advantage of the expert knowledge of top, world class table tennis coaches. The results of the hierarchical taxonomic (cluster) analysis showed that the overall structure of the technical-tactical elements forming the table tennis technique could be divided into three basic groups; a group of technical-tactical elements (A) used in the phase of preparing one's own and disabling the opponent's attack; a group of technical-tactical elements (B) used in the phase of attack and counterattack; and a group of technical-tactical elements (C) used in the phase of defense. The differences among the obtained groups of table tennis elements were determined by applying the Kruskal-Wallis test, while relations between the groups and their role in different playing zones around the table were analyzed by comparing the average values of the experts' scores.

  11. Structural Analysis of Technical-Tactical Elements in Table Tennis and their Role in Different Playing Zones

    Directory of Open Access Journals (Sweden)

    Munivrana Goran

    2015-09-01

    Full Text Available For the purpose of determining the overall structure of technical-tactical elements in table tennis and evaluating their role in different playing zones around the table, a new measuring instrument (a questionnaire was formulated that took advantage of the expert knowledge of top, world class table tennis coaches. The results of the hierarchical taxonomic (cluster analysis showed that the overall structure of the technical-tactical elements forming the table tennis technique could be divided into three basic groups; a group of technical-tactical elements (A used in the phase of preparing one’s own and disabling the opponent’s attack; a group of technical-tactical elements (B used in the phase of attack and counterattack; and a group of technical-tactical elements (C used in the phase of defense. The differences among the obtained groups of table tennis elements were determined by applying the Kruskal-Wallis test, while relations between the groups and their role in different playing zones around the table were analyzed by comparing the average values of the experts’ scores.

  12. Learning to Play Games or Playing Games to Learn? A Health Education Case Study with Soweto Teenagers

    Science.gov (United States)

    Amory, Alan

    2010-01-01

    The aim of this study was to investigate the use of an educational computer video game in teaching and learning. Cultural-historical activity theory is used heuristically to explore the social and cultural interactions during game play. It is argued that knowledge construction occurs when video games function as a tool to mediate learning rather…

  13. The polyimage poetics in Ibsen's late plays

    Directory of Open Access Journals (Sweden)

    Wang Yuli

    2015-02-01

    Full Text Available The unique poetics of polyimage implied in Ibsen’s late plays can be excavated with aesthetic reading. The term polyimage is coined to describe Ibsen’s original design in aesthetic form and ingenious realm in aesthetic reaction in his late plays; that is, beyond an imagery realm, another imagery realm exists, which construct a deep vision of significance. In each of the excellent late plays, what Ibsen creates is one or more veiled holistic imagery realms in addition to an ordinary entire imagery realm perceived by most audiences. The “layers of imagery realm” result from Ibsen’s “double self-examinations”, including self-examination of soul and of art. It is these “double self-examinations” that make polyimage possible in his late plays and generates the attribute of “meta-art” in these works. Compared with polyphony in Dostoevsky’s novels, the polyimage in Ibsen’s late plays contains a unique modernity, which is of great significance to modern artistic creation.

  14. Quality assurance requirements for installation, inspection, and testing of structural concrete and structural steel during the construction phase of nuclear power plants

    International Nuclear Information System (INIS)

    1975-04-01

    This guide describes a method acceptable to the NRC staff for complying with the Commission's regulations with regard to quality assurance requirements for installation, inspection, and testing of structural concrete and structural steel during the construction phase of nuclear power plants. This guide applies to all types of nuclear power plants. (U.S.)

  15. A Study on Nonconformance and Construction Method Improvement for Nuclear Power Plant

    International Nuclear Information System (INIS)

    Kim, Jong Yeob; Roh, Myung Sub

    2014-01-01

    Advanced power reactor was developed by domestic technology, and finally exported to abroad. In order to place the current nuclear power industrial base, construction has played a big role. Without magnificent construction technology, it would have been impossible to get a safe nuclear power plant on time and in budget. Construction industry occupies very large portion of the economy in South Korea and it has been a core of South Korea's economic growth. With a competitive construction industry and advanced nuclear power plant construction know-how, South Korea could provide safe and reliable nuclear power plants in domestic and world. However there are many repairs and number of corrective actions are in actual construction. Thus, this paper suggested the result of nonconformance and construction method improvement for nuclear power plant. Constructional engineering is a kind of science that has a variety of disciplines including structure, geology, mechanical equipment and other fields. Thus, the development of constructional engineering is closely associated with experience from failure and application advanced construction method. The recent experience in nuclear power plants construction has shown that those improved methods are fully applicable and can help shorten the construction schedule. The future of nuclear power plant construction seems to be more encouraged, even though it has many obstacles

  16. STS-61B Astronaut Ross Works on Assembly Concept for Construction of Erectable Space Structure

    Science.gov (United States)

    1985-01-01

    The crew assigned to the STS-61B mission included Bryan D. O'Conner, pilot; Brewster H. Shaw, commander; Charles D. Walker, payload specialist; mission specialists Jerry L. Ross, Mary L. Cleave, and Sherwood C. Spring; and Rodolpho Neri Vela, payload specialist. Launched aboard the Space Shuttle Atlantis November 28, 1985 at 7:29:00 pm (EST), the STS-61B mission's primary payload included three communications satellites: MORELOS-B (Mexico); AUSSAT-2 (Australia); and SATCOM KU-2 (RCA Americom). Two experiments were conducted to test assembling erectable structures in space: EASE (Experimental Assembly of Structures in Extravehicular Activity), and ACCESS (Assembly Concept for Construction of Erectable Space Structure). In a joint venture between NASA/Langley Research Center in Hampton, Virginia and the Marshall Space Flight Center (MSFC), EASE and ACCESS were developed and demonstrated at MSFC's Neutral Buoyancy Simulator (NBS). In this STS-61B onboard photo astronaut Ross, located on the Manipulator Foot Restraint (MFR) over the cargo bay, erects ACCESS. The primary objective of this experiment was to test the structural assembly concepts for suitability as the framework for larger space structures and to identify ways to improve the productivity of space construction.

  17. A survey of the mechanical properties of concrete for structural purposes prepared on construction sites

    Directory of Open Access Journals (Sweden)

    R. R. J. RIBEIRO

    Full Text Available Abstract This paper aims to study the concrete dosage conditions for structural purposes in construction sitesl, and the impacts of non-compliance of structural concrete for structural safety, having as study case the city of Angicos / RN. Were analyzed the dynamic elasticity modulus, static elasticity modulus and the compressive strength of concrete samples. Was conducted to collect the survey data, a field research aiming to gather information about dosage of concrete used in the works, as well as the collection of cylindrical specimens of 150 mm diameter by 300 mm of height, prepared according to practice of those professionals. The study indicated a clear necessity to reflection on the subject, since there is no concern, or even, a lack of knowledge by the interviewed professionals regarding the care and procedures necessary for the production of concrete with satisfactory quality, once at least 50% of evaluated construction sites presented compressive strength lower than 20 MPa, minimal strength to structural concrete, as recommended by ABNT-NBR 6118:2014.

  18. Playfulness in the life of social educators: reflections on the work with children in shelters

    Directory of Open Access Journals (Sweden)

    Andrea Perosa Saigh Jurdi

    2014-12-01

    Full Text Available Social educators/caregivers are professionals who care physically and emotionally for institutionalized children, being responsible for fulfilling daily needs such as hygiene and feeding, as well as for the affection and playfulness inherent to this phase of development. This study aimed to investigate how playfulness is present in the work and everyday routines of eight social educators who care for children sheltered in a host institution in the municipality of Santos, Sao Paulo state. The methodological design was structured from weekly meetings in which the educators constructed oral narratives about play in their childhood, how it is today, their conception of play, and how play is related to their function of caregivers. We verified that play was almost nonexistent in the childhood of some of the educators investigated, but they have managed to recover its function through their children and family ties. In this institution, we observed educators with excessive responsibilities in their everyday practice and a reduced number of professionals, which hinders the adult-child relationship. We observed that, as a result, play is many times associated with professional practice. For these educators, caring for play is one of the faces of hosting and caring for the children. The role of the adult is crucial to enable the creativity of children and adults based on the experience of being with other humans.

  19. "Are You Guys "Girls"?": Boys, Identity Texts, and Disney Princess Play

    Science.gov (United States)

    Wohlwend, Karen E.

    2012-01-01

    Drawing from critical sociocultural perspectives that view play, literacy, and gender as social practices, boys' Disney Princess play is examined as a site of identity construction and contestation situated within overlapping communities of femininity and masculinity practice where children learn expected practices for "doing gender".…

  20. The structural and phase state formed in construction titanium alloy by radial forging

    Energy Technology Data Exchange (ETDEWEB)

    Shlyakhova, Galina V.; Danilov, Vladimir I.; Orlova, Dina V.; Zuev, Lev B. [Institute of Strength Physics and Materials Science SB RAS, Tomsk (Russian Federation); Zavodchikov, Aleksandr S. [Perm State Technical University, Perm (Russian Federation)

    2011-07-01

    The feasibility of rod manufacture from construction titanium alloy using radial forging on a high duty machine SXK16 was investigated. The investigations were carried on for titanium rod samples using the methods of metallography, electron transmission microscophy and X-ray analysis. The results obtained are described herein. It is found that radial forging results in the formation of homogeneous fine-grained structure.Using radial forging process, high-quality items are produced. As-worked material has submicrocrystalline globular structure and an optimal α:β phase ratio. Besides, the technology is more cost-effective relative to conventional flow charts. Key words: forging, titanium alloy, fine-grain structure, substructure, pore size.

  1. (Re)defining component structures in morphological constructions: a cognitive grammar perspective

    CSIR Research Space (South Africa)

    Van Huyssteen, GB

    2010-01-01

    Full Text Available )defining Component Structures in Morphological Constructions: A Cognitive Grammar Perspective Gerhard B van Huyssteen 1. Introduction The study of words, parts of words, and word-formation is one of the fields of enquiry that has kept language philosophers... and linguists busy for centuries. Despite this long tradition, the literature on word morphology sometimes remains rather imprecise, ambiguous and/or vague; for example, Tuggy (1992: 287) illustrates that ?(d)efinitions, when given, are frequently circular...

  2. A structural approach to constructing perspective efficient and reliable human-computer interfaces

    International Nuclear Information System (INIS)

    Balint, L.

    1989-01-01

    The principles of human-computer interface (HCI) realizations are investigated with the aim of getting closer to a general framework and thus, to a more or less solid background of constructing perspective efficient, reliable and cost-effective human-computer interfaces. On the basis of characterizing and classifying the different HCI solutions, the fundamental problems of interface construction are pointed out especially with respect to human error occurrence possibilities. The evolution of HCI realizations is illustrated by summarizing the main properties of past, present and foreseeable future interface generations. HCI modeling is pointed out to be a crucial problem in theoretical and practical investigations. Suggestions concerning HCI structure (hierarchy and modularity), HCI functional dynamics (mapping from input to output information), minimization of human error caused system failures (error-tolerance, error-recovery and error-correcting) as well as cost-effective HCI design and realization methodology (universal and application-oriented vs. application-specific solutions) are presented. The concept of RISC-based and SCAMP-type HCI components is introduced with the aim of having a reduced interaction scheme in communication and a well defined architecture in HCI components' internal structure. HCI efficiency and reliability are dealt with, by taking into account complexity and flexibility. The application of fast computerized prototyping is also briefly investigated as an experimental device of achieving simple, parametrized, invariant HCI models. Finally, a concise outline of an approach of how to construct ideal HCI's is also suggested by emphasizing the open questions and the need of future work related to the proposals, as well. (author). 14 refs, 6 figs

  3. The Innovative Structure Solution for Preventing Salt Intrusion and Retaining Freshwater In Mekong Delta VietNam

    NARCIS (Netherlands)

    Hong, S.T.; Vrijling, J.K.; Stive, M.J.F.

    2013-01-01

    In the Mekong Delta Vietnam, the construction of sluices with the purpose of retaining fresh water and preventing salt water intrusion potentially plays a very important role. However, the structures constructed in small rivers according to local or traditional technology revealed many disadvantages

  4. Construction of chitin/PVA composite hydrogels with jellyfish gel-like structure and their biocompatibility.

    Science.gov (United States)

    He, Meng; Wang, Zhenggang; Cao, Yan; Zhao, Yanteng; Duan, Bo; Chen, Yun; Xu, Min; Zhang, Lina

    2014-09-08

    High strength chitin/poly(vinyl alcohol) (PVA) composite hydrogels (RCP) were constructed by adding PVA into chitin dissolved in a NaOH/urea aqueous solution, and then by cross-linking with epichlorohydrin (ECH) and freezing-thawing process. The RCP hydrogels were characterized by field emission scanning electron microscopy, FTIR, differential scanning calorimetry, solid-state (13)C NMR, wide-angle X-ray diffraction, and compressive test. The results revealed that the repeated freezing/thawing cycles induced the bicrosslinked networks consisted of chitin and PVA crystals in the composite gels. Interestingly, a jellyfish gel-like structure occurred in the RCP75 gel with 25 wt % PVA content in which the amorphous and crystalline PVA were immobilized tightly in the chitin matrix through hydrogen bonding interaction. The freezing/thawing cycles played an important role in the formation of the layered porous PVA networks and the tight combining of PVA with the pore wall of chitin. The mechanical properties of RCP75 were much higher than the other RCP gels, and the compressive strength was 20× higher than that of pure chitin gels, as a result of broadly dispersing stress caused by the orderly multilayered networks. Furthermore, the cell culture tests indicated that the chitin/PVA composite hydrogels exhibited excellent biocompatibility and safety, showing potential applications in the field of tissue engineering.

  5. Recycled construction and demolition concrete waste as aggregate for structural concrete

    Directory of Open Access Journals (Sweden)

    Ashraf M. Wagih

    2013-12-01

    Full Text Available In major Egyptian cities there is a surge in construction and demolition waste (CDW quantities causing an adverse effect on the environment. The use of such waste as recycled aggregate in concrete can be useful for both environmental and economical aspects in the construction industry. This study discusses the possibility to replace natural coarse aggregate (NA with recycled concrete aggregate (RCA in structural concrete. An investigation into the properties of RCA is made using crushing and grading of concrete rubble collected from different demolition sites and landfill locations around Cairo. Aggregates used in the study were: natural sand, dolomite and crushed concretes obtained from different sources. A total of 50 concrete mixes forming eight groups were cast. Groups were designed to study the effect of recycled coarse aggregates quality/content, cement dosage, use of superplasticizer and silica fume. Tests were carried out for: compressive strength, splitting strength and elastic modulus. The results showed that the concrete rubble could be transformed into useful recycled aggregate and used in concrete production with properties suitable for most structural concrete applications in Egypt. A significant reduction in the properties of recycled aggregate concrete (RAC made of 100% RCA was seen when compared to natural aggregate concrete (NAC, while the properties of RAC made of a blend of 75% NA and 25% RCA showed no significant change in concrete properties.

  6. Play, Playfulness, Creativity and Innovation

    Directory of Open Access Journals (Sweden)

    Patrick Bateson

    2014-05-01

    Full Text Available Play, as defined by biologists and psychologists, is probably heterogeneous. On the other hand, playfulness may be a unitary motivational state. Playful play as opposed to activities that merge into aggression is characterized by positive mood, intrinsic motivation, occurring in a protected context and easily disrupted by stress. Playful play is a good measure of positive welfare. It can occupy a substantial part of the waking-life of a young mammal or bird. Numerous functions for play have been proposed and they are by no means mutually exclusive, but some evidence indicates that those individual animals that play most are most likely to survive and reproduce. The link of playful play to creativity and hence to innovation in humans is strong. Considerable evidence suggests that coming up with new ideas requires a different mindset from usefully implementing a new idea.

  7. General aspects of slip from technique in the construction of containment structure of the Narora Atomic Power Station

    International Nuclear Information System (INIS)

    Tilak, M.M.

    1975-01-01

    The paper describes one of the modern techniques of construction methods, i.e. use of slip form technique. Important features in adopting the above technique and its impact on construction aspects and design parameters in respect of containment structure are briefly discussed. (author)

  8. Reliability and validity of the McDonald Play Inventory.

    Science.gov (United States)

    McDonald, Ann E; Vigen, Cheryl

    2012-01-01

    This study examined the ability of a two-part self-report instrument, the McDonald Play Inventory, to reliably and validly measure the play activities and play styles of 7- to 11-yr-old children and to discriminate between the play of neurotypical children and children with known learning and developmental disabilities. A total of 124 children ages 7-11 recruited from a sample of convenience and a subsample of 17 parents participated in this study. Reliability estimates yielded moderate correlations for internal consistency, total test intercorrelations, and test-retest reliability. Validity estimates were established for content and construct validity. The results suggest that a self-report instrument yields reliable and valid measures of a child's perceived play performance and discriminates between the play of children with and without disabilities. Copyright © 2012 by the American Occupational Therapy Association, Inc.

  9. Optimism and Pessimism of Physical Education and Non-Physical Education Students: Invariance of Structure

    Science.gov (United States)

    Abu-Hilal, Maher M.; Zayed, Kashef

    2011-01-01

    Introduction: Optimism and pessimism are two psychological constructs that play a significant role in human mental and psychological hygiene. The two construct are strongly but negatively correlated. Optimism and pessimism can be influenced by culture and the environment. The present study attempts to test the structure of optimism and pessimism…

  10. Low-cost satellite mechanical design and construction

    Science.gov (United States)

    Boisjolie-Gair, Nathaniel; Straub, Jeremy

    2017-05-01

    This paper presents a discussion of techniques for low-cost design and construction of a CubeSat mechanical structure that can serve as a basis for academic programs and a starting point for government, military and commercial large-scale sensing networks, where the cost of each node must be minimized to facilitate system affordability and lower the cost and associated risk of losing any node. Spacecraft Design plays a large role in manufacturability. An intentionally simplified mechanical design is presented which reduces machining costs, as compared to more intricate designs that were considered. Several fabrication approaches are evaluated relative to the low-cost goal.

  11. Play, game, sport – and democratic self-determination

    DEFF Research Database (Denmark)

    Eichberg, Henning

    2015-01-01

    degree contradictory? Several languages use “play” and “game” in a differentiated way: Animals play, but do not engage in games – and the Olympic Games are not Olympic Play. Beneath this dualism, the relation becomes more complex and less dualistic, as Danish, Basque, and Korean languages show. We have......Sport as a sort of game receives its almost religious, sacral undertones from its kinship with play. This is what we learn from educational idealism as well as from Olympic ideology. At a closer glimpse, the phenomena of play, game, and sport are, however, much more differentiated – and to some...... to listen to the deeper knowledge of languages. Maybe, etymology and the anonymous folk speaking through language can tell us something important. Something which is more substantial than the sacral and normative constructions of sport idealism. The differentiation between play, game, and sport has...

  12. The role of structural characteristics in video-game play motivation: a Q-methodology study.

    Science.gov (United States)

    Westwood, Dave; Griffiths, Mark D

    2010-10-01

    Until recently, there has been very little naturalistic study of what gaming experiences are like, and how gaming fits into people's lives. Using a recently developed structural characteristic taxonomy of video games, this study examined the psycho-structural elements of computer games that motivate gamers to play them. Using Q-Sort methodology, 40 gamers participated in an online Q-sort task. Results identified six distinct types of gamers based on the factors generated: (a) story-driven solo gamers; (b) social gamers; (c) solo limited gamers; (d) hardcore online gamers; (e) solo control/identity gamers; and (f ) casual gamers. These gaming types are discussed, and a brief evaluation of similar and unique elements of the different types of gamer is also offered. The current study shows Q-methodology to be a relevant and applicable method in the psychological research of gaming.

  13. Construction of the thermal/structural interactions in situ tests at the Waste Isolation Pilot Plant (WIPP)

    Energy Technology Data Exchange (ETDEWEB)

    Munson, D.E.; Matalucci, R.V. [Sandia National Lab., Albuquerque, NM (United States); Hoag, D.L.; Blankenship D.A. [RE/SPEC Inc., Albuquerque, NM (United States)] [and others

    1997-02-01

    The Department of Energy has constructed the Waste Isolation Pilot Plant (WIPP) to develop the technology for the disposal of radioactive waste from defense programs. Sandia National Laboratories has the responsibility for experimental activities at the WIPP and has emplaced several large-scale Thermal/Structural Interactions (TSI) in situ tests to validate techniques used to predict repository performance. The construction of the tests relied heavily on earlier excavations at the WIPP site to provide a basis for selecting excavation, surveying, and instrumentation methods, and achievable construction tolerances. The tests were constructed within close tolerances to provide consistent room dimensions and accurate placement of gages. This accuracy has contributed to the high quality of data generated which in turn has facilitated the comparison of test results to numerical predictions. The purpose of this report is to detail the construction activities of the TSI tests.

  14. Construction of the thermal/structural interactions in situ tests at the Waste Isolation Pilot Plant (WIPP)

    International Nuclear Information System (INIS)

    Munson, D.E.; Matalucci, R.V.; Hoag, D.L.; Blankenship D.A.

    1997-02-01

    The Department of Energy has constructed the Waste Isolation Pilot Plant (WIPP) to develop the technology for the disposal of radioactive waste from defense programs. Sandia National Laboratories has the responsibility for experimental activities at the WIPP and has emplaced several large-scale Thermal/Structural Interactions (TSI) in situ tests to validate techniques used to predict repository performance. The construction of the tests relied heavily on earlier excavations at the WIPP site to provide a basis for selecting excavation, surveying, and instrumentation methods, and achievable construction tolerances. The tests were constructed within close tolerances to provide consistent room dimensions and accurate placement of gages. This accuracy has contributed to the high quality of data generated which in turn has facilitated the comparison of test results to numerical predictions. The purpose of this report is to detail the construction activities of the TSI tests

  15. Analysing the impact of buyers' personality constructs on the market structure of brands

    DEFF Research Database (Denmark)

    Chrysochou, Polymeros; Krystallis, Athanasios; Rungie, Cam

    2008-01-01

    In order to operationalize brand loyalty, various models have been applied that estimate brand measures and further describe patterns and the structure of the markets. A well known model in this area is the Dirichlet-NBD model. Despite major advancements to those models, how buyers' characteristics...... and psychographics influence actual brand measures and the overall market structure in repeat purchase occasions is still under-researched. Moreover, measuring the type and magnitude of buyer-related effects on brand loyalty could provide additional valuable information to brand managers. Aim of this paper...... is to provide an approach of estimating the effect that various personality constructs have on brand measures and overall market structure through revealed preference data....

  16. Bluetooth as a Playful Public Art Interface

    Science.gov (United States)

    Stukoff, Maria N.

    This chapter investigates how the application of emergent communication technologies assisted in the design of playful art experience in a public place. Every Passing Moment (EPM), was a mobile public artwork that tracked and recorded any discoverable Bluetooth device to automatically seed a flower in a virtual garden projected onto an urban screen. The EPM was the first public art work to run blu_box, a custom-designed Bluetooth system for mobile telephony. The aim of blu_box was to build a system that supported playful interactions between the public and an urban screen, openly accessible to anyone with a Bluetooth-enabled mobile phone. This participatory engagement was observed in EPM on three levels, namely; unconscious, conscious, and dynamic play. Furthermore, this chapter highlights how sound and face-to-face communication proved imperative in the play dynamics of EPM. In conclusion, this chapter proposes ways in which the use of emergent communication technologies in public places, especially when interfaced with urban screening platforms, can construct playful city spaces for the public at large.

  17. Structure and properties of powder metallurgy constructional steel of different densities

    International Nuclear Information System (INIS)

    Gulyaev, A.P.; Moskvina, T.P.

    1986-01-01

    A specific feature of powder metallurgy steels is porosity, the degree of which depends upon the method of their production. This article establishes the influence of a small amount of porosity on the mechanical properties of powder metallurgy constructional steel. The structure of heat-treated cast and powder metallurgy steels with different porosities are shown. The results of mechanical tests of the experimental steels with different porosities are shown. With an increase in porosity the nonmetallic inclusion rating of the powder metallurgy constructional steel increases, primarily as the result of the increase in the coarse particles, which is caused by the lower degree of plastic deformation in pressing. With an increase in porosity the mechanical properties of the powder metallurgy steel become poorer: the hardness and strength properties with a porosity of more than 3-5%, the plasticity with more than 1-2%, and the toughness even with a porosity of 1%

  18. Structural response of nuclear containment shield buildings with unanticipated construction openings

    Science.gov (United States)

    Mac Namara, Sinead Caitriona

    As Nuclear Power Plants age many require steam generator replacement. There is a nickel alloy in the steam generator tubes that is susceptible to stress cracking and although these cracks can be sealed the generator becomes uneconomical without 10%-15% of the tubes. The steam generator in a typical nuclear power plant is housed in the containment structure next to the reactor. The equipment hatch is not big enough to facilitate steam generator replacement, thus construction openings in the dome of the containment structure are required. To date the structural consequences of construction openings in the dome have not been examined. This thesis examines the effects of such openings. The prototype concrete dome is made up of a 2 ft thick dome atop 3 ft thick and 170 ft high cylindrical walls (radius 65.5 ft) with a tension ring 15 ft high and 8 ft thick in between. The dome of the building is cast in two layers; a lower 9 inch layer that serves as the formwork for an upper 15 inch layer. The weight of the dome is carried in axial compression along the hoops and meridians of the dome. The first finite element model uses shell elements and considers two limiting load cases; where the two layers act as one, and where the lower layer carries the weight of both. The openings interrupt the hoops and meridians and the weight of the dome must be redistributed around the openings. Without openings, the stresses due to dead load in the structure are very low when compared to the material strength. The impact of the openings is increased compression stresses near the opening. The maximum stresses are approximately four times larger than in the original structure. These results are confirmed by the second model which is made from layers of solid elements. This model shows a significant difference between the compression on the top surface of the dome, in the affected areas, and that on the bottom surface, leading to shear stresses. These shear stresses are largest around the

  19. Investigating the determinants of contractor's construction and demolition waste management behavior in Mainland China.

    Science.gov (United States)

    Wu, Zezhou; Yu, Ann T W; Shen, Liyin

    2017-02-01

    The abundant generation of construction and demolition (C&D) waste presents a significant challenge to the sustainable development of the construction industry in Mainland China. As the implementer of construction activities, the contractor's C&D waste management performance plays an important role in C&D waste minimization. This paper aims to investigate the determinants of the contractor's C&D waste management behavior in Mainland China. The Theory of Planned Behavior (TPB) was selected as the basis of the theoretical model. In addition, three contextual constructs (i.e., economic viability, governmental supervision, and project constraints) were introduced, formulating the initial model. Based on the initial model, eight constructs were identified and seven hypotheses were proposed. A questionnaire survey was conducted to collect data and a Structural Equation Modeling (SEM) analysis was employed to test the proposed hypotheses. Results showed that the C&D waste management intention is not a significant determinant of contractor's C&D waste management behavior. The most important determinant is economic viability, followed by governmental supervision as the second most important determinant. Nevertheless, the construct of project constraints is an insignificant determinant for contractor's adoption of C&D waste management behavior. The research findings imply that, in Mainland China, the government, at this stage, plays an important role in guiding and promoting the contractor to exhibit better C&D waste management behavior. Copyright © 2016 Elsevier Ltd. All rights reserved.

  20. Leaving room for improvisation: towards a design approach for open-ended play.

    NARCIS (Netherlands)

    Valk, de L.C.T.; Bekker, M.M.; Eggen, J.H.

    2013-01-01

    Open-ended play with interactive objects provides children with the freedom to construct their own rules, goals and meaning. Instead of games with strict rules, open-ended play designs offer interaction opportunities as a trigger for creating personalized games. The process of developing these

  1. Factors Influencing Implementation of OHSAS 18001 in Indian Construction Organizations: Interpretive Structural Modeling Approach.

    Science.gov (United States)

    Rajaprasad, Sunku Venkata Siva; Chalapathi, Pasupulati Venkata

    2015-09-01

    Construction activity has made considerable breakthroughs in the past two decades on the back of increases in development activities, government policies, and public demand. At the same time, occupational health and safety issues have become a major concern to construction organizations. The unsatisfactory safety performance of the construction industry has always been highlighted since the safety management system is neglected area and not implemented systematically in Indian construction organizations. Due to a lack of enforcement of the applicable legislation, most of the construction organizations are forced to opt for the implementation of Occupational Health Safety Assessment Series (OHSAS) 18001 to improve safety performance. In order to better understand factors influencing the implementation of OHSAS 18001, an interpretive structural modeling approach has been applied and the factors have been classified using matrice d'impacts croises-multiplication appliqué a un classement (MICMAC) analysis. The study proposes the underlying theoretical framework to identify factors and to help management of Indian construction organizations to understand the interaction among factors influencing in implementation of OHSAS 18001. Safety culture, continual improvement, morale of employees, and safety training have been identified as dependent variables. Safety performance, sustainable construction, and conducive working environment have been identified as linkage variables. Management commitment and safety policy have been identified as the driver variables. Management commitment has the maximum driving power and the most influential factor is safety policy, which states clearly the commitment of top management towards occupational safety and health.

  2. Faxing Structures to the Moon: Freeform Additive Construction System (FACS)

    Science.gov (United States)

    Howe, A. Scott; Wilcox, Brian; McQuin, Christopher; Townsend, Julie; Rieber, Richard; Barmatz, Martin; Leichty, John

    2013-01-01

    Using the highly articulated All-Terrain Hex-Limbed Extra-Terrestrial Explorer (ATHLETE) robotic mobility system as a precision positioning tool, a variety of print head technologies can be used to 3D print large-scale in-situ structures on planetary surfaces such as the moon or Mars. In effect, in the same way CAD models can be printed in a 3D printer, large-scale structures such as walls, vaults, domes, berms, paving, trench walls, and other insitu derived elements can be FAXed to the planetary surface and built in advance of the arrival of crews, supplementing equipment and materials brought from earth. This paper discusses the ATHLETE system as a mobility / positioning platform, and presents several options for large-scale additive print head technologies, including tunable microwave "sinterator" approaches and in-situ concrete deposition. The paper also discusses potential applications, such as sintered-in-place habitat shells, radiation shielding, road paving, modular bricks, and prefabricated construction components.

  3. Combinatorics of γ-structures.

    Science.gov (United States)

    Han, Hillary S W; Li, Thomas J X; Reidys, Christian M

    2014-08-01

    In this article we study canonical γ-structures, a class of RNA pseudoknot structures that plays a key role in the context of polynomial time folding of RNA pseudoknot structures. A γ-structure is composed of specific building blocks that have topological genus less than or equal to γ, where composition means concatenation and nesting of such blocks. Our main result is the derivation of the generating function of γ-structures via symbolic enumeration using so called irreducible shadows. We furthermore recursively compute the generating polynomials of irreducible shadows of genus ≤ γ. The γ-structures are constructed via γ-matchings. For 1 ≤ γ ≤ 10, we compute Puiseux expansions at the unique, dominant singularities, allowing us to derive simple asymptotic formulas for the number of γ-structures.

  4. Supplementary quality assurance requirements for installation, inspection, and testing of structural concrete and structural steel during the construction phase of nuclear power plants

    International Nuclear Information System (INIS)

    Anon.

    1974-01-01

    This standard sets forth the supplementary quality assurance requirements for installation, inspection, and testing of structural concrete and structural steel for nuclear power plant construction. The requirements may also be extended to other appropriate parts of nuclear power plants when specified in contract documents. This standard is intended to be used in conjunction with ANSI N45.2

  5. Research on Risk Manage of Power Construction Project Based on Bayesian Network

    Science.gov (United States)

    Jia, Zhengyuan; Fan, Zhou; Li, Yong

    With China's changing economic structure and increasingly fierce competition in the market, the uncertainty and risk factors in the projects of electric power construction are increasingly complex, the projects will face huge risks or even fail if we don't consider or ignore these risk factors. Therefore, risk management in the projects of electric power construction plays an important role. The paper emphatically elaborated the influence of cost risk in electric power projects through study overall risk management and the behavior of individual in risk management, and introduced the Bayesian network to the project risk management. The paper obtained the order of key factors according to both scene analysis and causal analysis for effective risk management.

  6. The role of internal and external constructive processes in evolution

    Science.gov (United States)

    Laland, Kevin; Odling-Smee, John; Turner, Scott

    2014-01-01

    The architects of the Modern Synthesis viewed development as an unfolding of a form already latent in the genes. However, developing organisms play a far more active, constructive role in both their own development and their evolution than the Modern Synthesis proclaims. Here we outline what is meant by constructive processes in development and evolution, emphasizing how constructive development is a shared feature of many of the research developments central to the developing Extended Evolutionary Synthesis. Our article draws out the parallels between constructive physiological processes expressed internally and in the external environment (niche construction), showing how in each case they play important and not fully recognized evolutionary roles by modifying and biasing natural selection. PMID:24591574

  7. Construction of Quasi-Cyclic LDPC Codes Based on Fundamental Theorem of Arithmetic

    Directory of Open Access Journals (Sweden)

    Hai Zhu

    2018-01-01

    Full Text Available Quasi-cyclic (QC LDPC codes play an important role in 5G communications and have been chosen as the standard codes for 5G enhanced mobile broadband (eMBB data channel. In this paper, we study the construction of QC LDPC codes based on an arbitrary given expansion factor (or lifting degree. First, we analyze the cycle structure of QC LDPC codes and give the necessary and sufficient condition for the existence of short cycles. Based on the fundamental theorem of arithmetic in number theory, we divide the integer factorization into three cases and present three classes of QC LDPC codes accordingly. Furthermore, a general construction method of QC LDPC codes with girth of at least 6 is proposed. Numerical results show that the constructed QC LDPC codes perform well over the AWGN channel when decoded with the iterative algorithms.

  8. Constructive fire protection of steel corrugated beams of buildings and other structures

    Directory of Open Access Journals (Sweden)

    Ilyin Nikolay

    2017-01-01

    Full Text Available The research introduces a methodology of establishing indicators of fire safety of a building in relation to a guaranteed duration of steel fire-proof corrugated beams resistance in conditions of standard fire tests. Indicators of fire safety are also established in the assessment of design limits of steel fire-proof corrugated beams during design process, construction or maintenance of the building as well as in reducing economic costs when testing steel structures for fire resisting property. The suggested methodology introduces the system of actions aimed to design constructive fire protection of steel corrugated beams of buildings. Technological effect is achieved by conducting firing tests of steel construction by non-destructive methods; the evaluation of fire resistance of fire-proof elements of corrugated beams (corrugated web, upper and lower shelves is identified by the least fire-proof element of a welded I-beam. In this methodology fire resistance duration of the constituent elements of a welded I-beam with account of its fire protection ability is described with an analytic function taken as variables. These variables are intensity strength of stresses and the degree of fire protection of a compound element.

  9. Construction of the LITL cavity structure

    International Nuclear Information System (INIS)

    Itoh, S.; Masuda, S.; Ukai, Y.; Hirao, Y.

    1984-01-01

    This report presents briefly the mechanical consideration for the 100 MHz four-vane RFQ (radio frequency quadrupole accelerator) structure construction. At first, the theoretical vane shape required to obtain the RFQ electric field distribution was determined. A numerically controlled milling machine was employed for the precise machining of the complicated shape. The data sets for NC machining and for checking the size of three-dimensional coordinates were made up. A small vane model was machined by way of trial experiment to check the data to verify the circular interpolation programmed NC machining method, and to investigate cutter interference. The errors in the measurement in machining were less than +- 30 micrometer. The resonator tank is 56 cm in inner diameter and 138 cm in length, and is made of mild steel of 35 mm thickness. The inside wall was plated with copper thickly. Various conditions for the copper plating were investigated. Four vanes were assembled within the cavity of the RFQ. The vanes were built in the cavity tank with high dimensional accuracy. It was a matter of primary concern to design acceptable mechanical rf joints and select suitable rf contact elements for a high Q value of the RFQ resonator cavity. Finally, the Q value was measured, and was 10,600. The cavity was able to be evacuated to 10 -7 Torr. (Kato, T.)

  10. A 3D bioprinting system to produce human-scale tissue constructs with structural integrity.

    Science.gov (United States)

    Kang, Hyun-Wook; Lee, Sang Jin; Ko, In Kap; Kengla, Carlos; Yoo, James J; Atala, Anthony

    2016-03-01

    A challenge for tissue engineering is producing three-dimensional (3D), vascularized cellular constructs of clinically relevant size, shape and structural integrity. We present an integrated tissue-organ printer (ITOP) that can fabricate stable, human-scale tissue constructs of any shape. Mechanical stability is achieved by printing cell-laden hydrogels together with biodegradable polymers in integrated patterns and anchored on sacrificial hydrogels. The correct shape of the tissue construct is achieved by representing clinical imaging data as a computer model of the anatomical defect and translating the model into a program that controls the motions of the printer nozzles, which dispense cells to discrete locations. The incorporation of microchannels into the tissue constructs facilitates diffusion of nutrients to printed cells, thereby overcoming the diffusion limit of 100-200 μm for cell survival in engineered tissues. We demonstrate capabilities of the ITOP by fabricating mandible and calvarial bone, cartilage and skeletal muscle. Future development of the ITOP is being directed to the production of tissues for human applications and to the building of more complex tissues and solid organs.

  11. AN EDUCATIONAL GAME IN CONSTRUCTION PROCUREMENT NEGOTIATION

    Directory of Open Access Journals (Sweden)

    Ren-Jye Dzeng

    2013-06-01

    Full Text Available Project managers are frequently required to negotiate during the procurement of construction materials and drawing up of contractual agreements. Training in negotiation training requires hands-on experience and interaction with multiple parties. However, in the conventional curriculum on construction management, negotiation is taught merely through lectures and case studies. This study addressed that shortcoming by developing a portfolio negotiation game in which students play different roles and actively make decisions while proceeding through a simulated negotiation process in a competitive context. The proposed game would be the first negotiation game within the domain of the construction industry. During the pilot study, 46 students (with or without industrial working experience played the game; the results showed an increase in learning interest, satisfaction, and effectiveness.

  12. Self-Organized Construction with Continuous Building Material

    DEFF Research Database (Denmark)

    Heinrich, Mary Katherine; Wahby, Mostafa; Divband Soorati, Mohammad

    2016-01-01

    Self-organized construction with continuous, structured building material, as opposed to modular units, offers new challenges to the robot-based construction process and lends the opportunity for increased flexibility in constructed artifact properties, such as shape and deformation. As an example...... investigation, we look at continuous filaments organized into braided structures, within the context of bio-hybrids constructing architectural artifacts. We report the result of an early swarm robot experiment. The robots successfully constructed a braid in a self-organized process. The construction process can...... be extended by using different materials and by embedding sensors during the self-organized construction directly into the braided structure. In future work, we plan to apply dedicated braiding robot hardware and to construct sophisticated 3-d structures with local variability in patterns of filament...

  13. Construct validity of the reporter-interpreter-manager-educator structure for assessing students' patient encounter skills

    DEFF Research Database (Denmark)

    Tolsgaard, Martin G.; Arendrup, Henrick; Lindhardt, Bjarne O.

    2012-01-01

    PURPOSE: The aim of this study, done in Denmark, was to explore the construct validity of a Reporter-Interpreter-Manager-Educator (RIME)-structured scoring format for assessing patient encounter skills. METHOD: The authors developed a RIME-structured scoring form and explored its construct validity...... in a two-step procedure. The first step (implemented in 2009) was a randomized, controlled, experimental study in which the performance of three groups (16 fourth-year medical students, 16 sixth-year medical students, and 16 interns) was assessed in two simulated patient encounters. The second step...... (carried out during 2009-2010) was an observational study of patient encounter skills where clinician examiners used the scoring form in end-of-clerkship oral examinations of three consecutive cohorts of a total of 547 fourth-year medical students. RESULTS: In the experimental study, RIME scores showed...

  14. Constructal tree-shaped flow structures

    International Nuclear Information System (INIS)

    Bejan, A.; Lorente, S.

    2007-01-01

    This paper is an introduction to a new trend in the conceptual design of energy systems: the generation of flow configuration based on the 'constructal' principle that the global performance is maximized by balancing and arranging the various flow resistances (the irreversibilities) in a flow system that is free to morph. The paper focuses on distribution and collection, which are flows that connect one point (source, or sink) with an infinity of points (volume, area, curve). The flow configurations that emerge from this principle are tree-shaped, and the systems that employ them are 'vascularized'. The paper traces the most recent progress made on constructal vascularization. The direction is from large-scale applications toward microscales. The large-scale tree-shaped designs of electric power distribution systems and networks for natural gas and water are now invading small-scale designs such as fuel cells, heat exchangers and cooled packages of electronics. These flow configurations have several properties in common: freedom to morph, multiple scales, hierarchy, nonuniform (optimal) distribution of scales through the available volume, compactness and finite complexity

  15. The construction of hierarchical structure on Ti substrate with superior osteogenic activity and intrinsic antibacterial capability

    Science.gov (United States)

    Huang, Ying; Zha, Guangyu; Luo, Qiaojie; Zhang, Jianxiang; Zhang, Feng; Li, Xiaohui; Zhao, Shifang; Zhu, Weipu; Li, Xiaodong

    2014-01-01

    The deficient osseointegration and implant-associated infections are pivotal issues for the long-term clinical success of endosteal Ti implants, while development of functional surfaces that can simultaneously overcome these problems remains highly challenging. This study aimed to fabricate sophisticated Ti implant surface with both osteogenic inducing activity and inherent antibacterial ability simply via tailoring surface topographical features. Micro/submciro/nano-scale structure was constructed on Ti by three cumulative subtractive methods, including sequentially conducted sandblasting as well as primary and secondary acid etching treatment. Topographical features of this hierarchical structure can be well tuned by the time of the secondary acid treatment. Ti substrate with mere micro/submicro-scale structure (MS0-Ti) served as a control to examine the influence of hierarchical structures on surface properties and biological activities. Surface analysis indicated that all hierarchically structured surfaces possessed exactly the same surface chemistry as that of MS0-Ti, and all of them showed super-amphiphilicity, high surface free energy, and high protein adsorption capability. Biological evaluations revealed surprisingly antibacterial ability and excellent osteogenic activity for samples with optimized hierarchical structure (MS30-Ti) when compared with MS0-Ti. Consequently, for the first time, a hierarchically structured Ti surface with topography-induced inherent antibacterial capability and excellent osteogenic activity was constructed. PMID:25146099

  16. Sustainable Entrepreneurship in the Dutch Construction Industry

    NARCIS (Netherlands)

    Klein Woolthuis, R.J.A.

    2010-01-01

    This article discusses the strategies that sustainable entrepreneurs use to interact with their environment in the Dutch construction industry. The Dutch construction industry is under great pressure to move towards sustainability, and entrepreneurs are believed to be able to play a large role in

  17. Sustainable entrepreneurship in the Dutch construction industry

    NARCIS (Netherlands)

    Klein Woolthuis, R.J.A.

    2010-01-01

    This article discusses the strategies that sustainable entrepreneurs use to interact with their environment in the Dutch construction industry. The Dutch construction industry is under great pressure to move towards sustainability, and entrepreneurs are believed to be able to play a large role in

  18. MOTHER-CHILD AND FATHER-CHILD PLAY INTERACTION: THE IMPORTANCE OF PARENTAL PLAYFULNESS AS A MODERATOR OF THE LINKS BETWEEN PARENTAL BEHAVIOR AND CHILD NEGATIVITY.

    Science.gov (United States)

    Menashe-Grinberg, Atara; Atzaba-Poria, Naama

    2017-11-01

    Based on the premise that father-child play is an important context for children's development and that fathers "specialize" in play, similarities and differences in the role of playfulness in the father-child and mother-child relationship were examined. Participants in this study included 111 families (children's age: 1-3 years). Father-child and mother-child play interactions were videotaped and coded for parental playfulness, sensitivity, structuring, and nonintrusiveness as well as child negativity. Results indicated that mothers and fathers did not differ in playfulness and that mothers and fathers who were higher in playfulness had children with lower levels of negativity. However, playfulness differently moderated the links between parents' and children's behaviors for mothers and fathers. A double-risk pattern was found for mothers, such that the links between child negativity and maternal sensitivity, structuring, and nonintrusiveness were significant only for the subgroup of mothers with low levels of playfulness. When mothers had high levels of playfulness, these effects were negligible. For fathers, a double-buffer pattern was revealed, indicating that the links between child negativity and paternal sensitivity and structuring were significant only for fathers with high levels of playfulness. When fathers had low levels of playfulness, these effects were negligible. These findings demonstrate the important role that parental playfulness has on parent-child interaction as well as the need to examine moderation patterns separately for fathers and mothers. © 2017 Michigan Association for Infant Mental Health.

  19. NEW INSTRUMENTS FOR MANAGEMENT OF CONSTRUCTION PROGRAMS AND PROJECTS IN THE NEW ECONOMY STRUCTURE

    Directory of Open Access Journals (Sweden)

    Silka Dmitriy Nikolaevich

    2017-11-01

    Full Text Available Subject: the new economy structure is directly related to the active application of digital technologies. Economic processes are more formalized and for making administrative decisions it becomes possible to operate in a greater degree with precise criteria and information than probabilistic assumptions. As a subject of research, new tools for managing construction programs and projects are presented. Research objectives: the purpose of the study is to formulate general principles and directions for the digitization of economic relations in investment and construction activities to ensure the effectiveness of implementation of new generation projects. Materials and methods: to achieve the goal, the article shows the composition of state programs and projects in the construction sector and the system problems of their implementation. Organizational methods of increasing their effectiveness are considered. Results: the most promising areas of implementation of new management tools for investment and construction programs and projects are identified. Conclusions: the article shows the current dynamics of changes in technical and socio-economic systems at the level of construction sector. It is pointed out that the tasks of socio-economic nature require the development of unique approaches since the peculiarities of Russian legislation, of the prevailing norms and rules of economic activity prevent the direct replication of successful foreign experience.

  20. THE IMPACT OF ORGANIZATIONAL AND TECHNOLOGICAL FACTORS ON THE EXPENSE STRUCTURE OF THE GRAIN STORAGES CONSTRUCTION ENTERPRISE

    Directory of Open Access Journals (Sweden)

    MENEJLYUK A. I.

    2016-12-01

    Full Text Available Formulation of the problem. The deficit of grain storage capacities in Ukraine is about 15-20 mln. tons. Specific conditions of the realization of grain storage construction projects require systemic research to improve the efficiency of organizational and technological solutions in the management of specialized companies, to reduce costs of construction works and to increase the profit margin. Purpose. Research changes in the structure and the amount of the total production costs of the grain storage construction enterprise under the influence of organizational and technological factors. Conclusion. The account of features of grain storage construction, as well as developed research methodology: have resulted in analysis and the construction of a computer model of the operating activity of the grain storage construction enterprise; have allowed exploring experimental and statistical regularities of indicators changes of such operating activity from the influence of organizational and technological factors.

  1. METHODOLOGICAL BASES OF THE OPTIMIZATION OF ORGANIZATIONAL MANAGEMENT STRUCTURE AT IMPLEMENTING THE MAJOR CONSTRUCTION ENTERPRISE STRATEGY

    Directory of Open Access Journals (Sweden)

    Rodionova Svetlana Vladimirovna

    2015-09-01

    Full Text Available Planning and implementation of innovations on the microlevel of management and on the higher levels is a process of innovative projects portfolio implementation. Project management is aimed at some goal; therefore, defining the mission and aims of implementation is of primary importance. These are the part of the notion of development strategy of an enterprise. Creating a strategy for big construction holding companies is complicated by the necessity to account for different factors effecting each business-block and subsidiary companies. The authors specify an algorithm of development and implementation of the activity strategy of a big construction enterprise. A special importance of the correspondence of organizational management structure to the implemented strategy is shown. The innovative character of organizational structure change is justified. The authors offer methods to optimize the organizational management structure based on communication approach with the use of the elements graph theory. The offered methodological provisions are tested on the example of the Russian JSC “RZhDstroy”.

  2. Independent mobility, perceptions of the built environment and children's participation in play, active travel and structured exercise and sport: the PEACH Project

    Directory of Open Access Journals (Sweden)

    Griew Pippa

    2010-02-01

    Full Text Available Abstract Background Independent mobility (IM and perceptions of the built environment may relate differentially to children's participation in various physical activity contexts. This cross-sectional study investigated whether independent mobility and perceptions of the built environment in boys and girls were related to physical activity in three different contexts (outdoor play, structured exercise/sport, active commuting. Methods Thirteen hundred and seven 10-11 year old boys and girls from 23 schools in a large UK city completed a computerised questionnaire. Independent variables in logistic regression analyses were weekly self-reported frequency of participation in outdoor play, structured exercise/sport and mode of travel home from school. Dependent variables were perceptions of the environment (aesthetics, nuisance, safety, social norm, constraint, play space, accessibility, local and area independent mobility and linear distance from home to school. Analyses were adjusted for body mass index, minutes of daylight after school, level of neighbourhood deprivation and pubertal status. Results For boys, local independent mobility (Local-IM was related to an increased likelihood of everyday participation in play (OR 1.58: 95% CI 1.19-2.10, structured exercise/sport (OR 1.42: 1.06-1.89 and active commuting (OR 1.40: 1.07-1.87 but was only related to active commuting for girls (OR1.49: 1.07-2.07. Boys and girls were more likely to report playing out every day if they had higher scores for Social Norm (Boys: OR 1.63 (1.12-2.37; Girls: OR 1.53 (1.01-2.31 and, for girls only, more positive perceptions of traffic safety (OR 1.63: 1.14-2.34. Easy access to a range of destinations was the dominant predictor for taking part in structured exercise/sport everyday (Boys: OR 1.62 (1.01-2.66; Girls: OR 1.65 (1.07-2.53. Shorter distance from home to school (OR 0.99: 0.98-0.99 and, for boys only, greater perceived accessibility (OR 1.87: 1.04-3.36 were

  3. Developmental aspects of English argument structure constructions for Korean-speaking second language learners: Usage-based constructional approaches to language development

    Directory of Open Access Journals (Sweden)

    Gyu-Ho Shin

    2017-01-01

    Full Text Available This study investigates developmental aspects of English Argument Structure Constructions (ASCs for Korean-speaking second language (L2 learners, providing evidence of how they manifest human domain-general cognitive systems during language acquisition via usage-based constructional approaches to language development. Participants were instructed on six English ASC types with their representative verbs for three months. The data from grammaticality preference tasks, writing tests, and free-writing tasks were analysed. Comprehension data from the grammaticality preference tasks showed significant improvement in understanding ASCs after instruction, supporting sentence-level generalisations for language comprehension independent of individual verbs. The production data from the writing tests demonstrated more frequent use of two-argument constructions than three-argument ones, which indicates the internal complexity between ASC types. The results of the writing tests also displayed skewed exploitation of verbs representative of the target ASCs, implying a frequency-sensitive nature of language acquisition. All production data further revealed active use of prefabricated chunks and incorporation of new and old language items. Taken all together, these observations suggest language learners’ merging narrowly stabilised L2 routines with other (non-linguistic resources as necessary, sustaining efficiency in a sentence-building process, under the superintendence of cognitive factors when satisfying communicative intents.

  4. Investigation of microbial community structure in constructed mangrove microcosms receiving wastewater-borne polycyclic aromatic hydrocarbons (PAHs) and polybrominated diphenyl ethers (PBDEs)

    International Nuclear Information System (INIS)

    Wang, Ya-fen; Wu, Yan; Pi, Na; Tam, Nora Fung-yee

    2014-01-01

    The study aims to examine relationships between microbial community structure and mixed pollutants of polycyclic aromatic hydrocarbons (PAHs) and polybrominated diphenyl ethers (PBDEs) in constructed wetland microcosms, planted with Excoecaria agallocha or Kandelia obovata, two common mangrove plant species, and under two tidal regimes, everyday tidal (Te) and no tidal flooding (Tn). Results showed both microbial community structure and the retained amounts of pollutants were significantly determined by tidal regime, while the effect of plant species was small. Higher amounts of PAHs but lower amounts of PBDEs were always retained in sediments under Te than Tn regimes. Accordingly, temporal and vertical distributions of microbial community structure differed greatly between the two tidal regimes. Redundancy analysis further revealed significant correlation between a subgroup of the mixed PAHs and PBDEs with variation in microbial community structure. The findings will help to propose specific strategies to improve the bioremediation efficiency of constructed wetland. - Highlights: • We found synchronous degradation of PAHs and PBDEs in constructed mangrove microcosms. • Retained amounts of PAHs and PBDEs were determined mainly by tidal regime. • Tidal regime in turn significantly determined microbial community structure. • Variations of microbial EL-FAME profiles were more affected by PBDEs than PAHs. • Bap and BDE-154 were two most influential pollutants on microbial community structure. - Sedimentary microbial community structure was significantly determined by tidal regime, which in turn determined retained amounts of PAHs and PBDEs in constructed mangrove microcosms

  5. Construction and testing of simple airfoils to demonstrate structural design, materials choice, and composite concepts

    Science.gov (United States)

    Bunnell, L. Roy; Piippo, Steven W.

    1993-01-01

    The objective of this educational exercise is to have students build and evaluate simple wing structures, and in doing so, learn about materials choices and lightweight construction methods. A list of equipment and supplies and the procedure for the experiment are presented.

  6. 46 CFR 190.07-10 - Construction.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 7 2010-10-01 2010-10-01 false Construction. 190.07-10 Section 190.07-10 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) OCEANOGRAPHIC RESEARCH VESSELS CONSTRUCTION AND ARRANGEMENT Structural Fire Protection § 190.07-10 Construction. (a) The hull, superstructure, structural...

  7. Copper coordination polymers constructed from thiazole-5-carboxylic acid: Synthesis, crystal structures, and structural transformation

    Energy Technology Data Exchange (ETDEWEB)

    Meundaeng, Natthaya; Rujiwatra, Apinpus [Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200 (Thailand); Prior, Timothy J., E-mail: t.prior@hull.ac.uk [Chemistry, University of Hull, Kingston upon Hull HU6 7RX (United Kingdom)

    2017-01-15

    We have successfully prepared crystals of thiazole-5-carboxylic acid (5-Htza) (L) and three new thiazole-5-carboxylate-based Cu{sup 2+} coordination polymers with different dimensionality, namely, 1D [Cu{sub 2}(5-tza){sub 2}(1,10-phenanthroline){sub 2}(NO{sub 3}){sub 2}] (1), 2D [Cu(5-tza){sub 2}(MeOH){sub 2}] (2), and 3D [Cu(5-tza){sub 2}]·H{sub 2}O (3). These have been characterized by single crystal X-ray diffraction and thermogravimetry. Interestingly, the 2D network structure of 2 can directly transform into the 3D framework of 3 upon removal of methanol molecules at room temperature. 2 can also undergo structural transformation to produce the same 2D network present in the known [Cu(5-tza){sub 2}]·1.5H{sub 2}O upon heat treatment for 2 h. This 2D network can adsorb water and convert to 3 upon exposure to air. - Highlights: • Rare examples of coordination polymers of thiazole-5-carboxylic acid were prepared. • Non-covalent interactions play a key role on the assembly of the complexes in solid state. • Structural transformation of a 2D framework to a 3D upon removal of methanol is observed.

  8. The Art of Playful Mobility in Museums

    DEFF Research Database (Denmark)

    Froes, Isabel Cristina G.; Walker, Kevin

    2012-01-01

    Many of us interact with other people in online games and social networks, through multiple digital devices. But harnessing playful and mobile activities for museum learning is mostly undeveloped. In this chapter we explore play as a structure to support visitor learning, drawing from internation...

  9. The Role of Production Topology in Information Based Structuring of Organizations : The design of craft-based and industrialized construction firms

    OpenAIRE

    Gerth, Robert

    2013-01-01

    Industrialization of construction is a business strategy to significantly improve competitiveness. However, the organization structure of the construction firms needs to support the new production system. The knowledge on why and how this business development can be accomplished is scarce, both within academia and in business practice. This research seeks to fill this knowledge gap. The purpose of organization structure and the production system have is to coordinate the firm’s processes and ...

  10. Play Practices and Play Moods

    DEFF Research Database (Denmark)

    Karoff, Helle Skovbjerg

    2013-01-01

    The aim of this article is to develop a view of play as a relation between play practices and play moods based on an empirical study of children's everyday life and by using Bateson's term of ‘framing’ [(1955/2001). In Steps to an ecology of mind (pp. 75–80). Chicago: University of Chicago Press......], Schmidt's notion of ‘commonness’ [(2005). Om respekten. København: Danmarks Pædagogiske Universitets Forlag; (2011). On respect. Copenhagen: Danish School of Education University Press] and Heidegger's term ‘mood’ [(1938/1996). Time and being. Cornwall: Wiley-Blackwell.]. Play mood is a state of being...... in which we are open and ready, both to others and their production of meaning and to new opportunities for producing meaning. This play mood is created when we engage with the world during play practices. The article points out four types of play moods – devotion, intensity, tension and euphorica – which...

  11. Designing Out the Play: Accessibility and Playfulness in Inclusive Play.

    Science.gov (United States)

    Holt, Raymond; Beckett, Angharad

    2017-01-01

    Play is an important part of child development, yet disabled children are often excluded from the opportunity to play, either due to lack of accessible toys and games, or social pressures. This paper presents a case study reflecting on the development of Button Bash: a switch accessible game intended to encourage inclusive play between disabled and non-disabled children. In particular, the paper focuses on how changes intended to make the game more accessible tended to make it less playful, and reflects on the relationship between playfulness and accessibility.

  12. Structure constrained by metadata in networks of chess players.

    Science.gov (United States)

    Almeira, Nahuel; Schaigorodsky, Ana L; Perotti, Juan I; Billoni, Orlando V

    2017-11-09

    Chess is an emblematic sport that stands out because of its age, popularity and complexity. It has served to study human behavior from the perspective of a wide number of disciplines, from cognitive skills such as memory and learning, to aspects like innovation and decision-making. Given that an extensive documentation of chess games played throughout history is available, it is possible to perform detailed and statistically significant studies about this sport. Here we use one of the most extensive chess databases in the world to construct two networks of chess players. One of the networks includes games that were played over-the-board and the other contains games played on the Internet. We study the main topological characteristics of the networks, such as degree distribution and correlations, transitivity and community structure. We complement the structural analysis by incorporating players' level of play as node metadata. Although both networks are topologically different, we show that in both cases players gather in communities according to their expertise and that an emergent rich-club structure, composed by the top-rated players, is also present.

  13. 46 CFR 92.07-10 - Construction.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 4 2010-10-01 2010-10-01 false Construction. 92.07-10 Section 92.07-10 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) CARGO AND MISCELLANEOUS VESSELS CONSTRUCTION AND ARRANGEMENT Structural Fire Protection § 92.07-10 Construction. (a) The hull, superstructure, structural...

  14. Where do the children play? The influence of playground equipment on physical activity of children in free play.

    Science.gov (United States)

    Farley, Thomas A; Meriwether, Rebecca A; Baker, Erin T; Rice, Janet C; Webber, Larry S

    2008-03-01

    Promotion of physical activity in children depends on an understanding of how children use play equipment. We conducted observations over 2 years of children in 2nd through 8th grades in a schoolyard with 5 distinct play areas with different amounts of play equipment. Children were more likely to play in areas with more installed play equipment, with densities of children in equipped areas 3.3 to 12.6 times higher than in an open grassy field. There were no significant differences by play area in the percent of children who were physically active at all, but children were more likely to be very active in areas with basketball goals and an installed play structure than in an open field. Playground equipment appeared to have a strong influence on where children played and a moderate influence on levels of activity. To maximize physical activity in children, playgrounds should be designed with ample and diverse play equipment.

  15. The Campaign: a case study in identity construction through performance

    Directory of Open Access Journals (Sweden)

    Matthew D. Riddle

    2009-12-01

    Full Text Available This article undertakes a detailed case study of The Campaign, a teaching and learning innovation in media and communications that uses an online educational role-play. The case study draws on the qualitative analysis of classroom observations, online communications and semi-structured interviews, employing an interpretive approach informed by models drawn from social theory and sociotechnical theory. Educational authors argue that online educational role-plays engage students in authentic learning, and represent an improvement over didactic teaching strategies. According to this literature, online role-play systems afford students the opportunity of acting and doing instead of only reading and listening. Literature in social theory and social studies of technology takes a different view of certain concepts such as performance, identity and reality. Models such as performative self constitution and actor network theory ask us to consider the constructed nature of identity and the roles of all of the actors, including the system itself. This article examines these concepts by addressing a series of research questions relating to identity formation and mediation, and suggests certain limitations of the situationist perspective in explaining the educational value of role-play systems.

  16. What is the play of gender? Learning to be "boy" ... Learning to be "girl"

    Directory of Open Access Journals (Sweden)

    Liana Gois Leite

    2016-05-01

    Full Text Available Gender is a social construct, that is, an entirely social creation of ideas about the roles specific to men and to women (BEAVOUIR, 1970. In this context, the present study examined the relationships between different genres and the way they are expressed in "play". The sample had 15 children, seven girls and eight boys, all aged between three and four years, students of a Children's Educational Center in Brasilia, Federal District. Five sessions of Systematic Observation of spontaneous play, a moment where children did not have directed activities, were performed (RICHARDSON, 1999 along with a semi-structured interview with the teacher responsible for the class. From the data analysis, it can be inferred that the formation of groups was not necessarily determined by the composition of the group according to different genres, however, a higher incidence of homogeneous groups was found. The games do not necessarily follow social stereotypes linked to gender.

  17. The role of internal and external constructive processes in evolution.

    Science.gov (United States)

    Laland, Kevin; Odling-Smee, John; Turner, Scott

    2014-06-01

    The architects of the Modern Synthesis viewed development as an unfolding of a form already latent in the genes. However, developing organisms play a far more active, constructive role in both their own development and their evolution than the Modern Synthesis proclaims. Here we outline what is meant by constructive processes in development and evolution, emphasizing how constructive development is a shared feature of many of the research developments central to the developing Extended Evolutionary Synthesis. Our article draws out the parallels between constructive physiological processes expressed internally and in the external environment (niche construction), showing how in each case they play important and not fully recognized evolutionary roles by modifying and biasing natural selection. © 2014 The Authors. The Journal of Physiology © 2014 The Physiological Society.

  18. A brief introduction on enterprise youth culture construction

    International Nuclear Information System (INIS)

    Yin Chunmei

    2010-01-01

    From the development tendency of modern enterprise in combination with practical experience, the paper discusses the importance of youth culture construction in modern enterprise and how to bring the Communist Youth League into full play i the enterprise youth culture construction and presents the initial in the enterprise youth culture construction by the Communist Youth League of Jiangsu Nuclear Power Corporation. (author)

  19. Collapse simulation of building constructions

    Directory of Open Access Journals (Sweden)

    Nekrest'yanov Viktor Nikolaevich

    Full Text Available The physical reasons for building structures destruction are both the forces arising at stress-strain state of construction elements and external influences arising at emergency situations, as well as their moments, impulses and periodic impulses with the frequencies close to of fluctuations frequencies of construction elements. We shall call the mathematical calculation models for the parameters-reasons of destructions the basic models. The basic models of destruction of building structures elements allow not only providing necessary level of reliability and survivability of the elements and the construction as a whole already at the stage of their design, but also giving the chance, at their corresponding completion, to provide rational decisions on the general need of recovery works and their volume depending on destruction level. Especially important for rational design decisions development, which ensure the demanded constructional safety of building structures, is library creation of the basic mathematical models of standard processes of bearing elements destructions for standard construction designs for the purpose of the further forecast (assessment of the level and probabilities of standard destructions. Some basic mathematical models of destructions processes of the standard elements of building structures are presented in the present article. A model of accounting for construction defects and a model of obtaining requirements to probabilities of partial destructions of a construction are given. Both of these models are probabilistic.

  20. Why do adult dogs 'play'?

    Science.gov (United States)

    Bradshaw, John W S; Pullen, Anne J; Rooney, Nicola J

    2015-01-01

    Among the Carnivora, play behaviour is usually made up of motor patterns characteristic of predatory, agonistic and courtship behaviour. Domestic dogs are unusual in that play is routinely performed by adults, both socially, with conspecifics and with humans, and also asocially, with objects. This enhanced playfulness is commonly thought to be a side effect of paedomorphosis, the perpetuation of juvenile traits into adulthood, but here we suggest that the functions of the different types of play are sufficiently distinct that they are unlikely to have arisen through a single evolutionary mechanism. Solitary play with objects appears to be derived from predatory behaviour: preferred toys are those that can be dismembered, and a complex habituation-like feedback system inhibits play with objects that are resistant to alteration. Intraspecific social play is structurally different from interspecific play and may therefore be motivationally distinct and serve different goals; for example, dogs often compete over objects when playing with other dogs, but are usually more cooperative when the play partner is human. The majority of dogs do not seem to regard competitive games played with a human partner as "dominance" contests: rather, winning possession of objects during games appears to be simply rewarding. Play may be an important factor in sociality, since dogs are capable of extracting social information not only from games in which they participate, but also from games that they observe between third parties. We suggest that the domestic dog's characteristic playfulness in social contexts is an adaptive trait, selected during domestication to facilitate both training for specific purposes, and the formation of emotionally-based bonds between dog and owner. Play frequency and form may therefore be an indicator of the quality of dog-owner relationships. Copyright © 2014 Elsevier B.V. All rights reserved.

  1. A New Transcendence Model of Identity Construction

    Science.gov (United States)

    Elliott, Christopher L. Wilcox

    2012-01-01

    What does it mean for college men to be authentic? How can we support their efforts to transcend their own immediate needs? And what roles do trusted others play in one's construction of identity? This article describes a preliminary new theoretical model--a Transcendence Model of Identity Construction--based on original research studying…

  2. Construction technique for a chemical plant (II)

    International Nuclear Information System (INIS)

    1978-08-01

    This book deals with design and construction for a chemical plant which includes design and building of steel structure for a chemical plant with types, basic regulation, plan, shop fabrication for steel structure and field construction. It explains design and construction of making building for a chemical construction with measurement, types of building and basic rule of the building, design of the building, constructing plumbing for a chemical plant with plan, management of material, checking for construction, construction of electrical installation on plan, know-how to construction and maintenance.

  3. Biopolitics problems of large-scale hydraulic engineering construction

    International Nuclear Information System (INIS)

    Romanenko, V.D.

    1997-01-01

    The XX century which will enter in a history as a century of large-scale hydraulic engineering constructions come to the finish. Only on the European continent 517 large reservoirs (more than 1000 million km 3 of water were detained, had been constructed for a period from 1901 till 1985. In the Danube basin a plenty for reservoirs of power stations, navigations, navigating sluices and other hydraulic engineering structures are constructed. Among them more than 40 especially large objects are located along the main bed of the river. A number of hydro-complexes such as Dnieper-Danube and Gabcikovo, Danube-Oder-Labe (project), Danube-Tissa, Danube-Adriatic Sea (project), Danube-Aegean Sea, Danube-Black Sea ones, are entered into operation or are in a stage of designing. Hydraulic engineering construction was especially heavily conducted in Ukraine. On its territory some large reservoirs on Dnieper and Yuzhny Bug were constructed, which have heavily changed the hydrological regime of the rivers. Summarised the results of river systems regulating in Ukraine one can be noted that more than 27 thousand ponds (3 km 3 per year), 1098 reservoirs of total volume 55 km 3 , 11 large channels of total length more than 2000 km and with productivity of 1000 m 2 /s have been created in Ukraine. Hydraulic engineering construction played an important role in development of the industry and agriculture, water-supply of the cities and settlements, in environmental effects, and maintenance of safe navigation in Danube, Dnieper and other rivers. In next part of the paper, the environmental changes after construction of the Karakum Channel on the Aral Sea in the Middle Asia are discussed

  4. Fibrin Gels Exhibit Improved Biological, Structural, and Mechanical Properties Compared with Collagen Gels in Cell-Based Tendon Tissue-Engineered Constructs

    Science.gov (United States)

    Dyment, Nathaniel A.; Lu, Yinhui; Rao, Marepalli; Shearn, Jason T.; Rowe, David W.; Kadler, Karl E.; Butler, David L.

    2015-01-01

    The prevalence of tendon and ligament injuries and inadequacies of current treatments is driving the need for alternative strategies such as tissue engineering. Fibrin and collagen biopolymers have been popular materials for creating tissue-engineered constructs (TECs), as they exhibit advantages of biocompatibility and flexibility in construct design. Unfortunately, a few studies have directly compared these materials for tendon and ligament applications. Therefore, this study aims at determining how collagen versus fibrin hydrogels affect the biological, structural, and mechanical properties of TECs during formation in vitro. Our findings show that tendon and ligament progenitor cells seeded in fibrin constructs exhibit improved tenogenic gene expression patterns compared with their collagen-based counterparts for approximately 14 days in culture. Fibrin-based constructs also exhibit improved cell-derived collagen alignment, increased linear modulus (2.2-fold greater) compared with collagen-based constructs. Cyclic tensile loading, which promotes the maturation of tendon constructs in a previous work, exhibits a material-dependent effect in this study. Fibrin constructs show trending reductions in mechanical, biological, and structural properties, whereas collagen constructs only show improved tenogenic expression in the presence of mechanical stimulation. These findings highlight that components of the mechanical stimulus (e.g., strain amplitude or time of initiation) need to be tailored to the material and cell type. Given the improvements in tenogenic expression, extracellular matrix organization, and material properties during static culture, in vitro findings presented here suggest that fibrin-based constructs may be a more suitable alternative to collagen-based constructs for tissue-engineered tendon/ligament repair. PMID:25266738

  5. "Charmer Boys" and "Cream Girls": How Primary School Children Construct Themselves as Heterosexual Subjects through Football

    Science.gov (United States)

    Mayeza, Emmanuel

    2018-01-01

    South African research on young children's constructions of social identities illuminates the significance of play in the construction of gender identities. However, what remains largely understudied are the children's construction of sexualities through play. The dominant discourse of "childhood innocence" obscures the variegated…

  6. Expediency of application of explosion-relief constructions to ensure explosion resistance of production buildings

    Directory of Open Access Journals (Sweden)

    Lyapin Anton

    2016-01-01

    Full Text Available The article presents a model of economic evaluation and selection of explosion-relief constructions (ERC, as well as determination of explosion protection efficiency of buildings and structures provided on a stage of construction. It has been shown that definition of economic efficiency of ERС is the evaluation of its application for buildings with remote or automatically controlled production. It has been determined that an important role in design of explosive industrial facilities is played by selection of the economically feasible and effective materials for ERC. When selecting materials it is necessary to consider probability and yield of explosions. Necessity to create the methods allow considering such probability has been revealed.

  7. Mechanical design and construction qualification program on ITER correction coils structures

    Energy Technology Data Exchange (ETDEWEB)

    Foussat, A., E-mail: arnaud.foussat@iter.org [ITER Organization, Route de Vinon sur Verdon, 13115 Saint Paul Lez Durance (France); Weiyue, Wu; Jing, Wei; Shuangsong, Du [Academy of Science Institute of Plasma Physics, PO 1126, Hefei, Anhui 230031 (China); Sgobba, S. [European Center for Nuclear Research, CH-1211 Geneva 23 (Switzerland); Hongwei, Li [China International Nuclear Fusion Energy Program Execution Center, Ministry of Science and Technology, 15B Fuxing Rd., Beijing 100862 (China); Libeyre, Paul; Jong, Cornelis; Klofac, Kamil; Mitchell, Neil [ITER Organization, Route de Vinon sur Verdon, 13115 Saint Paul Lez Durance (France)

    2014-04-01

    The ITER Magnet system consists of 4 main coils sub-systems, i.e. 18 toroidal field coils (TFC), a central solenoid (CS), 6 poloidal field coils (PF) and 3 sets of correction coils (CC). The ITER fusion project has selected the stainless steel 316LN as main material for the magnet structure. The CC contribute to reducing the range of magnetic error fields created by imperfections in the location and geometry of the other coils used to confine, heat, and shape the plasma. During plasma operation, a large number of loading condition scenarios have been considered and structural analysis performed on key items like Cable-In-Conduit Conductor and the coil case. The results obtained are used for both static and fatigue structural assessment defining the present baseline design. For the construction of the structural cases, welding techniques such as GTAW (Gas Tungsten Arc Welding) and techniques resulting in low distortion and shrinkage like EBW (Electron Beam Welding) or Laser Beam Welding (LBW) with filler metal wire have been selected. Those methods are considered for future qualifications to guarantee proper weld parameters and specified weld properties. In order to determine the strength and fracture toughness of 316LN stainless steel welds with respect to design criteria, some mechanical tests have been carried out at 7 K (or 77 K), and room temperature.

  8. Major Oil Plays In Utah And Vicinity

    Energy Technology Data Exchange (ETDEWEB)

    Thomas Chidsey

    2007-12-31

    the Jurassic Twin Creek Limestone, or a low-permeability zone at the top of the Nugget. The Nugget Sandstone thrust belt play is divided into three subplays: (1) Absaroka thrust - Mesozoic-cored shallow structures, (2) Absaroka thrust - Mesozoic-cored deep structures, and (3) Absaroka thrust - Paleozoic-cored shallow structures. Both of the Mesozoic-cored structures subplays represent a linear, hanging wall, ramp anticline parallel to the leading edge of the Absaroka thrust. Fields in the shallow Mesozoic subplay produce crude oil and associated gas; fields in the deep subplay produce retrograde condensate. The Paleozoic-cored structures subplay is located immediately west of the Mesozoic-cored structures subplays. It represents a very continuous and linear, hanging wall, ramp anticline where the Nugget is truncated against a thrust splay. Fields in this subplay produce nonassociated gas and condensate. Traps in these subplays consist of long, narrow, doubly plunging anticlines. Prospective drilling targets are delineated using high-quality, two-dimensional and three-dimensional seismic data, forward modeling/visualization tools, and other state-of-the-art techniques. Future Nugget Sandstone exploration could focus on more structurally complex and subtle, thrust-related traps. Nugget structures may be present beneath the leading edge of the Hogsback thrust and North Flank fault of the Uinta uplift. The Jurassic Twin Creek Limestone play in the Utah/Wyoming thrust belt province has produced over 15 million barrels (2.4 million m{sup 3}) of oil and 93 billion cubic feet (2.6 billion m{sup 3}) of gas. Traps form on discrete subsidiary closures along major ramp anticlines where the low-porosity Twin Creek is extensively fractured. Hydrocarbons in Twin Creek reservoirs were generated from subthrust Cretaceous source rocks. The seals for the producing horizons are overlying argillaceous and clastic beds, and non-fractured units within the Twin Creek. The Twin Creek

  9. REVIEW ON CONSTRUCTION PROJECT MANAGEMENT SOFTWARE PRIMAVERA P6

    OpenAIRE

    Piyush Pramod Bagade* & Prof. Abhijit Bhirud

    2018-01-01

    Planning, scheduling and Resource levelling plays an important role in any construction project maybe it is construction of building or construction of road. In absence of proper planning, scheduling and resource levelling construction industry does not get profit over the project. For this purpose, proper software’s and techniques must be utilize. This paper is focussing on the advantages of Oracle Primavera P6 Software. The latest version of Primavera is P6-17. In any construction work huge...

  10. Construct Validity of the WISC-IV with a Referred Sample: Direct versus Indirect Hierarchical Structures

    Science.gov (United States)

    Canivez, Gary L.

    2014-01-01

    The Wechsler Intelligence Scale for Children--Fourth Edition (WISC-IV) is one of the most frequently used intelligence tests in clinical assessments of children with learning difficulties. Construct validity studies of the WISC-IV have generally supported the higher order structure with four correlated first-order factors and one higher-order…

  11. Role of Construction Sector in Economic Growth: Empirical ...

    African Journals Online (AJOL)

    FUTY Journal of the Environment ... The construction industry plays an important role in the economy, and the activities of the industry are also vital to the achievement of national socio-economic development goals of providing shelter, ... investigate the relationship between the construction sector and aggregate economy.

  12. Safety in construction?

    NARCIS (Netherlands)

    Swuste, P.H.J.J.

    2013-01-01

    The available literature on Construction Safety is not very optimistic about the chances of evidence-based safety in the construction industry exerting a positive influence. Many articles indicate that the structures and processes that are designed to ensure safety in the industry are poor. Safety

  13. NPP construction cost in Canada

    International Nuclear Information System (INIS)

    Gorshkov, A.L.

    1988-01-01

    The structure of capital costs during NPP construction in Canada is considered. Capital costs comprise direct costs (cost of the ground and ground rights, infrastructure, reactor equipment, turbogenerators, electrotechnical equipment, auxiliary equipment), indirect costs (construction equipment and services, engineering works and management services, insurance payments, freight, training, operating expenditures), capital per cents for the period of construction and cost of heavy water storages. It proceeds from the analysis of the construction cost structure for a NPP with the CANDU reactor of unit power of 515, 740 and 880 MW, that direct costs make up on the average 62%

  14. Pair copula constructions to determine the dependence structure of Treasury bond yields

    Directory of Open Access Journals (Sweden)

    Marcelo Brutti Righi

    2015-12-01

    Full Text Available We estimated the dependence structure of US Treasury bonds through a pair copula construction. As a result, we verified that the variability of the yields decreases with a longer time of maturity of the bond. The yields presented strong dependence with past values, strongly positive bivariate associations between the daily variations, and prevalence of the Student's t copula in the relationships between the bonds. Furthermore, in tail associations, we identified relevant values in most of the relationships, which highlights the importance of risk management in the context of bonds diversification.

  15. Post-traumatic stress disorder and depression co-occurrence: Structural relations among disorder constructs and trait and symptom dimensions.

    Science.gov (United States)

    Post, Loren M; Feeny, Norah C; Zoellner, Lori A; Connell, Arin M

    2016-12-01

    Post-traumatic stress disorder (PTSD) and major depressive disorder (MDD) in response to trauma co-occur at high rates. A better understanding of the nature of this co-occurrence is critical to developing an accurate conceptualization of the disorders. This study examined structural relations among the PTSD and MDD constructs and trait and symptom dimensions within the framework of the integrative hierarchical model of anxiety and depression. Study participants completed clinician-rated and self-report measures during a pre-treatment assessment. The sample consisted of 200 treatment-seeking individuals with a primary DSM-IV PTSD diagnosis. Structural equation modelling was used to examine the relationship between the constructs. The trait negative affect/neuroticism construct had a direct effect on both PTSD and MDD. The trait positive affect/extraversion construct had a unique, negative direct effect on MDD, and PTSD had a unique, direct effect on the physical concerns symptoms construct. An alternative model with the PTSD and MDD constructs combined into an overall general traumatic stress construct produced a decrement in model fit. These findings provide a clearer understanding of the relationship between co-occurring PTSD and MDD as disorders with shared trait negative affect/neuroticism contributing to the overlap between them and unique trait positive affect/extraversion and physical concerns differentiating them. Therefore, PTSD and MDD in response to trauma may be best represented as two distinct, yet strongly related constructs. In assessing individuals who have been exposed to trauma, practitioners should recognize that co-occurring PTSD and MDD appears to be best represented as two distinct, yet strongly related constructs. Negative affect may be the shared vulnerability directly influencing both PTSD and MDD; however, in the presence of both PTSD and MDD, low positive affect appears to be more specifically related to MDD and fear of physical

  16. Moving Targets: Constructing Canons, 2013–2014

    OpenAIRE

    Hirsch, BD

    2015-01-01

    This review essay considers early modern dramatic authorship and canons in the context of two recent publications: an anthology of plays -- William Shakespeare and Others: Collaborative Plays (2013), edited by Jonathan Bate and Eric Rasmussen as a companion volume to the RSC Complete Works -- and a monograph study -- Jeremy Lopez's Constructing the Canon of Early Modern Drama (2014).

  17. Perfect and Periphrastic Passive Constructions in Danish

    DEFF Research Database (Denmark)

    Bjerre, Tavs; Bjerre, Anne

    2007-01-01

    This paper gives an account of the event and argument structure of past participles and the linking between argument structure and valence structure. It further accounts for how participles form perfect and passiv constructions with auxiliaries. We assume that the same participle form is used...... in both types of construction. Our claim is that the valence structure of a past participle is predictable from its semantic type, and that the valence structure predicts with which auciliary a past participle combines in perfect constructions and whether the past participle may occur in passiv...

  18. Using a Social Science--Fictional Play to Teach about Global Capitalism and Macro-Structural Systems in Introduction to Sociology

    Science.gov (United States)

    Pelak, Cynthia Fabrizio; Duncan, Stacey

    2017-01-01

    This article explores the use of a social science-fictional play to teach macro-structural concepts related to global capitalism and surplus labor in a small and large Introduction to Sociology course. Relying on a cross-disciplinary and critical pedagogical approach that combines theory and practice to empower students to develop a critical…

  19. Careers in Construction: Construction Industry Series: Student Manual and Instructor's Guide.

    Science.gov (United States)

    Texas Education Agency, Austin. Dept. of Occupational Education and Technology.

    The guide for instructors of construction occupations provides instructional suggestions and informational sources for structuring an exploratory program. The program is divided into the following blocks, representing different experiences in construction: (1) wood; (2) finishing; (3) engineering, support, and management services; (4) metal; (5)…

  20. Rugby headgear and concussion prevention: misconceptions could increase aggressive play.

    Science.gov (United States)

    Menger, Richard; Menger, Austin; Nanda, Anil

    2016-04-01

    OBJECTIVE Multiple studies have illustrated that rugby headgear offers no statistically significant protection against concussions. However, there remains concern that many players believe rugby headgear in fact does prevent concussions. Further investigation was undertaken to illustrate that misconceptions about concussion prevention and rugby headgear may lead to an increase in aggressive play. METHODS Data were constructed by Internet survey solicitation among United States collegiate rugby players across 19 teams. Initial information given was related to club, age, experience, use of headgear, playing time, whether the rugger played football or wrestling in high school, and whether the player believed headgear prevented concussion. Data were then constructed as to whether wearing headgear would increase aggressive playing style secondary to a false sense of protection. RESULTS A total of 122 players responded. All players were male. The average player was 19.5 years old and had 2.7 years of experience. Twenty-three of 122 players (18.9%) wore protective headgear; 55.4% of players listed forward as their primary position. Overall, 45.8% (55/120) of players played 70-80 minutes per game, 44.6% (54/121) played football or wrestled in high school, 38.1% (45/118) believed headgear prevented concussions, and 42.2% (51/121) stated that if they were using headgear they would be more aggressive with their play in terms of running or tackling. Regression analysis illustrated that those who believed headgear prevented concussions were or would be more likely to engage in aggressive play (p = 0.001). CONCLUSIONS Nearly 40% of collegiate rugby players surveyed believed headgear helped to prevent concussions despite no scientific evidence that it does. This misconception about rugby headgear could increase aggressive play. Those who believed headgear prevented concussion were, on average, 4 times more likely to play with increased aggressive form than those who believed

  1. New Algorithm to Enable Construction and Display of 3D Structures from Scanning Probe Microscopy Images Acquired Layer-by-Layer.

    Science.gov (United States)

    Deng, William Nanqiao; Wang, Shuo; Ventrici de Souza, Joao Francisco; Kuhl, Tonya L; Liu, Gang-Yu

    2018-06-11

    Scanning probe microscopy (SPM) such as atomic force microscopy (AFM) is widely known for high-resolution imaging of surface structures and nanolithography in two dimension (2D), which provides important physical insights in surface science and material science. This work reports a new algorithm to enable construction and display of layer-by-layer 3D structures from SPM images. The algorithm enables alignment of SPM images acquired during layer-by-layer deposition, removal of redundant features, and faithfully constructs the deposited 3D structures. The display uses a "see-through" strategy to enable the structure of each layer to be visible. The results demonstrate high spatial accuracy as well as algorithm versatility; users can set parameters for reconstruction and display as per image quality and research needs. To the best of our knowledge, this method represents the first report to enable SPM technology for 3D imaging construction and display. The detailed algorithm is provided to facilitate usage of the same approach in any SPM software. These new capabilities support wide applications of SPM that require 3D image reconstruction and display, such as 3D nanoprinting, and 3D additive and subtractive manufacturing and imaging.

  2. RCC-CW - Rules for design and construction of PWR nuclear civil works

    International Nuclear Information System (INIS)

    2016-01-01

    RCC-CW describes the rules for designing, building and testing civil engineering works in PWR reactors. It explains the principles and requirements for the safety, serviceability and durability of concrete and metal frame structures, based on Eurocode design principles (European standards for the structural design of construction works) combined with specific measures for safety-class buildings. The code is produced as part of the RCC-CW Subcommittee, which includes all the parties involved in civil engineering works in the nuclear sector: clients, contractors, general and specialized firms, consultancies and inspection offices. The code covers the following areas relating to the design and construction of civil engineering works that play an important safety role: geotechnical aspects, reinforced concrete structures and galleries, pre-stressed containments with metal liner, metal containment and pool liners, metal frames, anchors, concrete cylinder pipes, containment leak tests. The RCC-CW code is available as an ETC-C version specific to EPR projects (European pressurized reactor). Contents of the 2016 edition of the RCC-CW Code: Part G - General: scope, standards, notations, quality management, general principles; Part D - Design: actions and combinations of actions, geotechnical aspects, pre-stressed or reinforced concrete structures, metal containment liners, metal pool liners, metal frames, anchors; Part C - Construction: geotechnical aspects, concrete, surface finish and formwork, reinforcement for reinforced concrete, pre-stressing processes, prefabricated concrete elements, metal containment liners, metal pool liners, metal frames, anchors, embedded pipelines, joint sealing, survey networks and tolerances; Part M - Maintenance and monitoring: containment integrity and rate tests

  3. Modular playware as a playful diagnosis tool for autistic children

    DEFF Research Database (Denmark)

    Lund, Henrik Hautop

    2009-01-01

    children. Using artificial neural networks for automatic classification of the individual construction practices, we may compare this classification with the diagnosis of the children, and possible obtain a supplementary diagnosis tool which is based on the autistic children's free play with the modular...

  4. What role can Life Cycle Assessment play in the selection of green construction materials?

    CSIR Research Space (South Africa)

    Ampofo-Anti, NL

    2009-07-01

    Full Text Available The green building movement aims to foster the environmental sustainability of construction products by maximising resource efficiency while minimising concomitant pollution throughout the building life cycle. However, green building principles...

  5. Indigenous lunar construction materials

    Science.gov (United States)

    Rogers, Wayne P.; Sture, Stein

    1991-01-01

    The utilization of local resources for the construction and operation of a lunar base can significantly reduce the cost of transporting materials and supplies from Earth. The feasibility of processing lunar regolith to form construction materials and structural components is investigated. A preliminary review of potential processing methods such as sintering, hot-pressing, liquification, and cast basalt techniques, was completed. The processing method proposed is a variation on the cast basalt technique. It involves liquification of the regolith at 1200-1300 C, casting the liquid into a form, and controlled cooling. While the process temperature is higher than that for sintering or hot-pressing (1000-1100 C), this method is expected to yield a true engineering material with low variability in properties, high strength, and the potential to form large structural components. A scenario for this processing method was integrated with a design for a representative lunar base structure and potential construction techniques. The lunar shelter design is for a modular, segmented, pressurized, hemispherical dome which could serve as habitation and laboratory space. Based on this design, estimates of requirements for power, processing equipment, and construction equipment were made. This proposed combination of material processing method, structural design, and support requirements will help to establish the feasibility of lunar base construction using indigenous materials. Future work will refine the steps of the processing method. Specific areas where more information is needed are: furnace characteristics in vacuum; heat transfer during liquification; viscosity, pouring and forming behavior of molten regolith; design of high temperature forms; heat transfer during cooling; recrystallization of basalt; and refinement of estimates of elastic moduli, compressive and tensile strength, thermal expansion coefficient, thermal conductivity, and heat capacity. The preliminary

  6. Identification of high school students' ability level of constructing free body diagrams to solve restricted and structured response items in force matter

    Science.gov (United States)

    Rahmaniar, Andinisa; Rusnayati, Heni; Sutiadi, Asep

    2017-05-01

    While solving physics problem particularly in force matter, it is needed to have the ability of constructing free body diagrams which can help students to analyse every force which acts on an object, the length of its vector and the naming of its force. Mix method was used to explain the result without any special treatment to participants. The participants were high school students in first grade totals 35 students. The purpose of this study is to identify students' ability level of constructing free body diagrams in solving restricted and structured response items. Considering of two types of test, every student would be classified into four levels ability of constructing free body diagrams which is every level has different characteristic and some students were interviewed while solving test in order to know how students solve the problem. The result showed students' ability of constructing free body diagrams on restricted response items about 34.86% included in no evidence of level, 24.11% inadequate level, 29.14% needs improvement level and 4.0% adequate level. On structured response items is about 16.59% included no evidence of level, 23.99% inadequate level, 36% needs improvement level, and 13.71% adequate level. Researcher found that students who constructed free body diagrams first and constructed free body diagrams correctly were more successful in solving restricted and structured response items.

  7. 3-D Structure of the Slave and Rae Cratons Provides Clues to Their Construction

    Science.gov (United States)

    Snyder, D. B.

    2013-12-01

    Deep geologic structures within cratons that make up continental cores were long neglected. Recently acquired geophysical data from large observational arrays and geochemical data resulting from exploration for diamond has now made possible co-registration of large-scale (400-km depth), truly 3-dimensional data sets. P-waves, surface waves and magnetotelluric observations provide 3-D wavespeed and conductivity models. Multi-azimuthal receiver functions map seismic discontinuity surfaces in 3-D. Xenolith suites erupted in kimberlites provide rock samples at key lithospheric depths, albeit at sparsely distributed locations. These multi-disciplinary models are becoming available for several key cratons worldwide; here the deep structure of the Slave and Rae cratons of the Canadian Shield is described. Lithospheric layers with tapered, wedge-shaped margins are common. Slave craton layers are sub-horizontal and indicate construction of the craton core at 2.7 Ga by underthrusting and flat stacking of lithosphere. The central Rae craton has predominantly dipping discontinuities that indicate construction at 1.9 Ga by thrusting similar to that observed in crustal ';thick-skinned' fold-and-thrust belts. 3-D mapping of conductivity and metasomatism, the latter via mineral recrystallization and resetting of isotopic ages, overprints primary structures in both cratons. Distribution of more conductivitve mantle suggests that assumed causative pervasive metasomatism occurs at 100-200 km depths with ';chimneys' reaching to shallower depths, typically in locations where kimberlites or mineralization has occurred.

  8. Spatial distributions of niche-constructing populations

    Directory of Open Access Journals (Sweden)

    Xiaozhuo Han

    2015-12-01

    Full Text Available Niche construction theory regards organisms not only as the object of natural selection but also an active subject that can change their own selective pressure through eco-evolutionary feedbacks. Through reviewing the existing works on the theoretical models of niche construction, here we present the progress made on how niche construction influences genetic structure of spatially structured populations and the spatial-temporal dynamics of metapopulations, with special focuses on mathematical models and simulation methods. The majority of results confirmed that niche construction can significantly alter the evolutionary trajectories of structured populations. Organism-environmental interactions induced by niche construction can have profound influence on the dynamics, competition and diversity of metapopulations. It can affect fine-scale spatially distribution of species and spatial heterogeneity of the environment. We further propose a few research directions with potentials, such as applying adaptive dynamics or spatial game theory to explore the effect of niche construction on phenotypic evolution and diversification.

  9. FIVE REGIONAL PERSPECTIVES OF CONSTRUCTING AN OFFSHORE CORPORATE STRUCTURE

    Directory of Open Access Journals (Sweden)

    Ana-Maria GEAMÃNU

    2015-04-01

    Full Text Available The offshore company, the emblem of the tax haven jurisdictions, is owned by non-residents and it conducts activities outside the island of incorporation in order to benefit from tax advantages. The purpose of this paper is to conduct a comparative analysis on the trends of constructing the offshore corporate structures at the level of five regions where tax havens have been identified: The Caribbean Sea and Central America; Europe; Asia; The Indian Ocean and The Pacific Ocean. Based on the tax and corporate legislations the analysis is focused on the main tax advantages offered by these entities, the incorporation and administration procedures as well as the costs involved. The results have shown that pure offshore corporate legislation is to be found at the level of only three geographic areas: The Caribbean Sea and Central America; The Indian Ocean and The Pacific Ocean and the offshore law is predominantly international, with only fine regional differences.

  10. Structural basis for phosphopantetheinyl carrier domain interactions in the terminal module of nonribosomal peptide synthetases

    Science.gov (United States)

    Liu, Ye; Zheng, Tengfei; Bruner, Steven D.

    2011-01-01

    Summary Phosphopantetheine-modified carrier domains play a central role in the template-directed, biosynthesis of several classes of primary and secondary metabolites. Fatty acids, polyketides and nonribosomal peptides are constructed on multidomain enzyme assemblies using phosphopantetheinyl thioester-linked carrier domains to traffic and activate building blocks. The carrier domain is a dynamic component of the process, shuttling pathway intermediates to sequential enzyme active sites. Here we report an approach to structurally fix carrier domain/enzyme constructs suitable for X-ray crystallographic analysis. The structure of a two-domain construct of E. coli EntF was determined with a conjugated phosphopantetheinyl-based inhibitor. The didomain structure is locked in an active orientation relevant to the chemistry of nonribosomal peptide biosynthesis. This structure provides details into the interaction of phosphopantetheine arm with the carrier domain and the active site of the thioesterase domain. PMID:22118682

  11. Adaptive Constructive Processes and the Future of Memory

    Science.gov (United States)

    Schacter, Daniel L.

    2012-01-01

    Memory serves critical functions in everyday life but is also prone to error. This article examines adaptive constructive processes, which play a functional role in memory and cognition but can also produce distortions, errors, and illusions. The article describes several types of memory errors that are produced by adaptive constructive processes…

  12. Bodysuites and biodomes: The construction of the sonochronotopia ...

    African Journals Online (AJOL)

    I explore in this article the ways in which spatiotemporal construction through music plays a facilitating role in alleviating this perceived trauma. In circumscribing this process I have found the work of Susan Buck-Morss and Mikhail Bakhtin useful in approaching the overlapping 'symbolic' and 'material' discourses at play in ...

  13. Model Tests on the Retaining Walls Constructed from Geobags Filled with Construction Waste

    OpenAIRE

    Wen, Hua; Wu, Jiu-jiang; Zou, Jiao-li; Luo, Xin; Zhang, Min; Gu, Chengzhuang

    2016-01-01

    Geobag retaining wall using construction waste is a new flexible supporting structure, and the usage of construction waste to fill geobags can facilitate the construction recycling. In this paper, model tests were performed on geobag retaining wall using construction waste. The investigation was concentrated on the slope top settlement, the distribution characteristics of the earth pressures on retaining walls and horizontal wall displacements, and slope failure modes. The results indicated t...

  14. Evaluation of the thermal and structural performance of straw bale construction

    Science.gov (United States)

    Beaudry, Kyle R.

    This thesis is primarily divided into two distinct experimental programs evaluating: 1) the thermal performance and, 2) the structural performance of straw bale construction. The thermal performance chapter describes hot-box testing (based on ASTM C1363-11) of seven straw bale wall panels to obtain their apparent thermal conductivity values. All panels were constructed with stacked bales and cement-lime plaster skins on each side of the bales. Four panels were made with traditional, 2-string field bales of densities ranging from 89.5 kg/m3 - 131 kg/m3 and with the bales on-edge (fibres perpendicular to the heat flow). Three panels were made with manufactured high-density bales (291 kg/m3 - 372 kg/m3). The fibres of the manufactured bales were randomly oriented. The key conclusion of this work is that within the experimental error, there is no difference in the apparent thermal conductivity value for panels using normal density bales and manufactured high-density bales up to a density of 333 kg/m3. The structural performance chapter describes gravity and transverse load testing (based on ASTM E72-15) of non-plastered modular straw bale wall (DBW) panels to evaluate their strength capacity and failure modes. The out-of-plane flexural (OPF) tests exhibited a mean ultimate bending moment of 49.7 kNm. The axial compression (AC) tests exhibited a mean ultimate line load of 161.0 kN/m. The local flexural header beam (HP) tests exhibited an ultimate line load of 31.6 kN/m. The OPF and AC capacities of the DBW exceeded the capacities exhibited by a conventional 38 mm x 140 mm stud wall. However, the DBW's header beam strength and stiffness was inferior to conventional stud wall.

  15. Cultural, Social, and Economic Capital Constructs in International Assessments: An Evaluation Using Exploratory Structural Equation Modeling

    Science.gov (United States)

    Caro, Daniel H.; Sandoval-Hernández, Andrés; Lüdtke, Oliver

    2014-01-01

    The article employs exploratory structural equation modeling (ESEM) to evaluate constructs of economic, cultural, and social capital in international large-scale assessment (LSA) data from the Progress in International Reading Literacy Study (PIRLS) 2006 and the Programme for International Student Assessment (PISA) 2009. ESEM integrates the…

  16. Investigation of habitual pitch during free play activities for preschool-aged children.

    Science.gov (United States)

    Chen, Yang; Kimelman, Mikael D Z; Micco, Katie

    2009-01-01

    This study is designed to compare the habitual pitch measured in two different speech activities (free play activity and traditionally used structured speech activity) for normally developing preschool-aged children to explore to what extent preschoolers vary their vocal pitch among different speech environments. Habitual pitch measurements were conducted for 10 normally developing children (2 boys, 8 girls) between the ages of 31 months and 71 months during two different activities: (1) free play; and (2) structured speech. Speech samples were recorded using a throat microphone connected with a wireless transmitter in both activities. The habitual pitch (in Hz) was measured for all collected speech samples by using voice analysis software (Real-Time Pitch). Significantly higher habitual pitch is found during free play in contrast to structured speech activities. In addition, there is no showing of significant difference of habitual pitch elicited across a variety of structured speech activities. Findings suggest that the vocal usage of preschoolers appears to be more effortful during free play than during structured activities. It is recommended that a comprehensive evaluation for young children's voice needs to be based on the speech/voice samples collected from both free play and structured activities.

  17. Biomolecule-assisted construction of cadmium sulfide hollow spheres with structure-dependent photocatalytic activity.

    Science.gov (United States)

    Wei, Chengzhen; Zang, Wenzhe; Yin, Jingzhou; Lu, Qingyi; Chen, Qun; Liu, Rongmei; Gao, Feng

    2013-02-25

    In this study, we report the synthesis of monodispersive solid and hollow CdS spheres with structure-dependent photocatalytic abilities for dye photodegradation. The monodispersive CdS nanospheres were constructed with the assistance of the soulcarboxymthyi chitosan biopolymer under hydrothermal conditions. The solid CdS spheres were corroded by ammonia to form hollow CdS nanospheres through a dissolution-reprecipitation mechanism. Their visible-light photocatalytic activities were investigated, and the results show that both the solid and the hollow CdS spheres have visible-light photocatalytic abilities for the photodegradation of dyes. The photocatalytic properties of the CdS spheres were demonstrated to be structure dependent. Although the nanoparticles comprising the hollow spheres have larger sizes than those comprising the solid spheres, the hollow CdS spheres have better photocatalytic performances than the solid CdS spheres, which can be attributed to the special hollow structure. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

  18. Computer modelling of structures with account of the construction stages and the time dependent material properties

    Directory of Open Access Journals (Sweden)

    Traykov Alexander

    2015-01-01

    Full Text Available Numerical studies are performed on computer models taking into account the stages of construction and time dependent material properties defined in two forms. A 2D model of three storey two spans frame is created. The first form deals with material defined in the usual design practice way - without taking into account the time dependent properties of the concrete. The second form creep and shrinkage of the concrete are taken into account. Displacements and internal forces in specific elements and sections are reported. The influence of the time dependent material properties on the displacement and the internal forces in the main structural elements is tracked down. The results corresponding to the two forms of material definition are compared together as well as with the results obtained by the usual design calculations. Conclusions on the influence of the concrete creep and shrinkage during the construction towards structural behaviour are made.

  19. Proposal for evaluation methodology on impact resistant performance and construction method of tornado missile protection net structure

    International Nuclear Information System (INIS)

    Namba, Kosuke; Shirai, Koji

    2014-01-01

    In nuclear power plants, the necessity of the Tornado Missile Protection Structure is becoming a technical key issue. Utilization of the net structure seems to be one of the realistic counter measures from the point of the view of the mitigation wind and seismic loads. However, the methodology for the selection of the net suitable materials, the energy absorption design method and the construction method are not sufficiently established. In this report, three materials (high-strength metal mesh, super strong polyethylene fiber net and steel grating) were selected for the candidate material and the material screening tests, the energy absorption tests by free drop test using the heavy weight and the impact tests with the small diameter missile. As a result, high-strength metal mesh was selected as a suitable material for tornado missile protection net structure. Moreover, the construction method to obtain the good energy absorption performance of the material and the practical design method to estimate the energy absorption of the high-strength metal mesh under tornado missile impact load were proposed. (author)

  20. 25 CFR 900.130 - What role does the Indian tribe or tribal organization play during the performance of a self...

    Science.gov (United States)

    2010-04-01

    ... Construction § 900.130 What role does the Indian tribe or tribal organization play during the performance of a... 25 Indians 2 2010-04-01 2010-04-01 false What role does the Indian tribe or tribal organization play during the performance of a self-determination construction contract? 900.130 Section 900.130...

  1. Structured Parent-Child Observations Predict Development of Conduct Problems: the Importance of Parental Negative Attention in Child-Directed Play.

    Science.gov (United States)

    Fleming, Andrew P; McMahon, Robert J; King, Kevin M

    2017-04-01

    Structured observations of parent-child interactions are commonly used in research and clinical settings, but require additional empirical support. The current study examined the capacity of child-directed play, parent-directed play, and parent-directed chore interaction analogs to uniquely predict the development of conduct problems across a 6-year follow-up period. Parent-child observations were collected from 338 families from high-risk neighborhoods during the summer following the child's first-grade year. Participating children were 49.2 % female, 54.4 % white, and 45.6 % black, and had an average age of 7.52 years at the first assessment. Conduct problems were assessed via parent report and teacher report at five assessment points between first grade and seventh grade. Latent growth curve modeling was used to analyze predictors of conduct problem trajectory across this 6-year follow-up period. When race, sex, socioeconomic status, and maternal depressive symptoms were controlled, parental negative attention during child-directed play predicted higher levels of parent-reported conduct problems concurrently and after a 6-year follow-up period. Parental negative attention during child-directed play also predicted higher teacher-reported conduct problems 6 years later. Findings support the use of child-directed play and parent-directed chore analogs in predicting longitudinal development of conduct problems. The presence of parental negative attention during child-directed play appears to be an especially important predictor of greater conduct problems over time and across multiple domains. Additionally, the potential importance of task-incongruent behavior is proposed for further study.

  2. The playful and reflective game designer

    DEFF Research Database (Denmark)

    Majgaard, Gunver

    2014-01-01

    Abstract: A group of first-semester engineering students participated in a game design course. The aim of the course was to learn how to design computer games and programming skills by creating their own games, thereby applying their game-playing experiences to gain knowledge about game design....... The aim was for students to develop a more critically reflective perspective on video games and game design. In applying their game experiences, they developed their own digital prototypes and participated in reflective discussions on the concept of games: what makes them interesting and how...... they are constructed. The students used the GameMaker programming tool, which can be used without any prior programming knowledge. The tool allows for the easy development of 2D game prototypes.The didactic approach was based on play as a lever for the design process, and on constructionistic and reflective learning...

  3. Relations between parents' interactive style in dyadic and triadic play and toddlers' symbolic capacity.

    Science.gov (United States)

    Keren, M; Feldman, R; Namdari-Weinbaum, I; Spitzer, S; Tyano, S

    2005-10-01

    Play has a major role in the evaluation and treatment of young children referred to mental health clinicians. The present study examined parental correlates of preschoolers' symbolic play during dyadic and triadic play interactions. Boys' play contained more aggressive themes, and girls' contained more nurturing themes. Mothers displayed more caring themes during play with both sons and daughters, and fathers displayed more repair and construction themes. Mothers' and fathers' facilitative- creative interaction style in dyadic play predicted the level of the child's symbolic play. Co-parenting style marked by cooperation and autonomy predicted symbolic play during a triadic family session. Child intelligence predicted symbolic play beyond the parent's style during triadic but not dyadic interactions. The findings have implications for early intervention directed at increasing symbolic play in young children.

  4. Exploring the Impact of Role-Playing on Peer Feedback in an Online Case-Based Learning Activity

    Science.gov (United States)

    Ching, Yu-Hui

    2014-01-01

    This study explored the impact of role-playing on the quality of peer feedback and learners' perception of this strategy in a case-based learning activity with VoiceThread in an online course. The findings revealed potential positive impact of role-playing on learners' generation of constructive feedback as role-playing was associated with higher…

  5. Play Matters

    DEFF Research Database (Denmark)

    Sicart (Vila), Miguel Angel

    ? In Play Matters, Miguel Sicart argues that to play is to be in the world; playing is a form of understanding what surrounds us and a way of engaging with others. Play goes beyond games; it is a mode of being human. We play games, but we also play with toys, on playgrounds, with technologies and design......, but not necessarily fun. Play can be dangerous, addictive, and destructive. Along the way, Sicart considers playfulness, the capacity to use play outside the context of play; toys, the materialization of play--instruments but also play pals; playgrounds, play spaces that enable all kinds of play; beauty...

  6. Children's Perspectives of Play and Learning for Educational Practice

    Science.gov (United States)

    Theobald, Maryanne; Danby, Susan; Einarsdóttir, Jóhanna; Bourne, Jane; Jones, Desley; Ross, Sharon; Knaggs, Helen; Carter-Jones, Claire

    2015-01-01

    Play as a learning practice increasingly is under challenge as a valued component of early childhood education. Views held in parallel include confirmation of the place of play in early childhood education and, at the same time, a denigration of the role of play in favor for more teacher-structured and formal activities. As a consequence,…

  7. The quadratic-form identity for constructing the Hamiltonian structure of integrable systems

    International Nuclear Information System (INIS)

    Guo Fukui; Zhang Yufeng

    2005-01-01

    A usual loop algebra, not necessarily the matrix form of the loop algebra A-tilde n-1 , is also made use of for constructing linear isospectral problems, whose compatibility conditions exhibit a zero-curvature equation from which integrable systems are derived. In order to look for the Hamiltonian structure of such integrable systems, a quadratic-form identity is created in the present paper whose special case is just the trace identity; that is, when taking the loop algebra A-tilde 1 , the quadratic-form identity presented in this paper is completely consistent with the trace identity

  8. [From fantasy to reality: understanding the way of playing of institutionalized children victims of violence through therapeutic play].

    Science.gov (United States)

    Giacomello, Karina Jorgino; Melo, Luciana de Lione

    2011-01-01

    This qualitative research is based on the reference framework of Phenomenology--analysis of the structure of the situated phenomenon, and aims to understand institutionalized children victims of violence through therapeutic play sessions. Participants were three sheltered children of preschool age, one boy and two goals. The therapeutic play sessions of the drama type were held in a reserved place and ranged from 30 to 50 minutes, using the following guiding proposal: "Let us play that we are children who live at the shelter?" Two broad theme categories could be captured: playing and pretending and playing and reality. When they are pretending while playing, sometimes calmly, sometimes violently, the children brought contents that evidenced situations in their daily family reality. When they expose their reality, the children addressed questions about the shelter institution and the bond with these professionals and with the relatives. It can be affirmed that therapeutic play allowed for the children's effective communication by expressing their feelings, desires, experiences, criticism against the environment they live in and family relations, besides permitting a moment of pleasure and relaxation.

  9. 2D and 3D GPR imaging of structural ceilings in historic and existing constructions

    Science.gov (United States)

    Colla, Camilla

    2014-05-01

    GPR applications in civil engineering are to date quite diversified. With respect to civil constructions and monumental buildings, detection of voids, cavities, layering in structural elements, variation of geometry, of moisture content, of materials, areas of decay, defects, cracks have been reported in timber, concrete and masonry elements. Nonetheless, many more fields of investigation remain unexplored. This contribution gives an account of a variety of examples of structural ceilings investigation by GPR radar in reflection mode, either as 2D or 3D data acquisition and visualisation. Ceilings have a pre-eminent role in buildings as they contribute to a good structural behaviour of the construction. Primarily, the following functions can be listed for ceilings: a) they carry vertical dead and live loads on floors and distribute such loads to the vertical walls; b) they oppose to external horizontal forces such as wind loads and earthquakes helping to transfer such forces from the loaded element to the other walls; c) they contribute to create the box skeleton and behaviour of a building, connecting the different load bearing walls and reducing the slenderness and flexural instability of such walls. Therefore, knowing how ceilings are made in specific buildings is of paramount importance for architects and structural engineers. According to the type of building and age of construction, ceilings may present very different solutions and materials. Moreover, in existing constructions, ceilings may have been substituted, modified or strengthened due to material decay or to change of use of the building. These alterations may often go unrecorded in technical documentation or technical drawings may be unavailable. In many cases, the position, orientation and number of the load carrying elements in ceilings may be hidden or not be in sight, due for example to the presence of false ceilings or to technical plants. GPR radar can constitute a very useful tool for

  10. Additive Construction with Mobile Emplacement (ACME)

    Science.gov (United States)

    Vickers, John

    2015-01-01

    The Additive Construction with Mobile Emplacement (ACME) project is developing technology to build structures on planetary surfaces using in-situ resources. The project focuses on the construction of both 2D (landing pads, roads, and structure foundations) and 3D (habitats, garages, radiation shelters, and other structures) infrastructure needs for planetary surface missions. The ACME project seeks to raise the Technology Readiness Level (TRL) of two components needed for planetary surface habitation and exploration: 3D additive construction (e.g., contour crafting), and excavation and handling technologies (to effectively and continuously produce in-situ feedstock). Additionally, the ACME project supports the research and development of new materials for planetary surface construction, with the goal of reducing the amount of material to be launched from Earth.

  11. Vacuolar processing enzyme plays an essential role in the crystalline structure of glutelin in rice seed.

    Science.gov (United States)

    Kumamaru, Toshihiro; Uemura, Yuji; Inoue, Yoshimi; Takemoto, Yoko; Siddiqui, Sadar Uddin; Ogawa, Masahiro; Hara-Nishimura, Ikuko; Satoh, Hikaru

    2010-01-01

    To identify the function of genes that regulate the processing of proglutelin, we performed an analysis of glup3 mutants, which accumulates excess amounts of proglutelin and lack the vacuolar processing enzyme (VPE). VPE activity in developing seeds from glup3 lines was reduced remarkably compared with the wild type. DNA sequencing of the VPE gene in glup3 mutants revealed either amino acid substitutions or the appearance of a stop codon within the coding region. Microscopic observations showed that alpha-globulin and proglutelin were distributed homogeneously within glup3 protein storage vacuoles (PSVs), and that glup3 PSVs lacked the crystalline lattice structure typical of wild-type PSVs. This suggests that the processing of proglutelin by VPE in rice is essential for proper PSV structure and compartmentalization of storage proteins. Growth retardation in glup3 seedlings was also observed, indicating that the processing of proglutelin influences early seedling development. These findings indicate that storage of glutelin in its mature form as a crystalline structure in PSVs is required for the rapid use of glutelin as a source of amino acids during early seedling development. In conclusion, VPE plays an important role in the formation of protein crystalline structures in PSVs.

  12. The supply chain of civil construction industries for support the nuclear power plant construction in Indonesia

    International Nuclear Information System (INIS)

    Dharu Dewi; Sriyana; Moch-Djoko Birmano; Sahala Lumbanraja; Nurlaila

    2013-01-01

    The use of domestic products for electricity infrastructure has been set out in the Ministerial Decree number: 54/M-IND/PER/3/2012, but the infrastructure of nuclear power plants (NPP) construction has not been included. Therefore, the potential of the local industries needs to be mapped it especially supply chain of civil construction industries to estimate the capability of the local component level (DCL) at the nuclear power plant project in Indonesia. NPP is a high-technology so that if NPP will be constructed, it is necessary to involve the national capability as media technology transfer, especially for EPC (Engineering, Procurement and Construction) services. Civil construction (civil part) play role is very large, about 21%. Therefore it is necessary in particular the role of the national civil construction industry to increase the capability of local content. Preparation of Civil construction infrastructure are depend on the supply chain of raw materials. The aim of the research was to map the supply chain of the civil construction industries. Methodology this study is a survey of national industries, literature review, and searching web site. The result study is a map of civil construction industries with raw material supply chain. (author)

  13. Sustainable (Re)Construction : The Potential of the Renovation Market

    NARCIS (Netherlands)

    Usanov, A.; Chivot, E.

    2013-01-01

    The Sustainable Urban (Re)Construction Briefing argues that renovation is going to play an increasingly important role in the overall construction market – for several reasons. One of them is the urgency of climate change mitigation. Europe has a large stock of buildings, which together contribute

  14. The organizational structure and group the following criteria in assessing the success of the model construction companies

    Directory of Open Access Journals (Sweden)

    Đurović Dušan D.

    2016-01-01

    Full Text Available The organization - an organizational structure presents a schedule of all the potential companies covering all human and material resources in the enterprise, which ensure the realization of business goals in function of their success. Defining the process, the use of SWOT analysis and evaluation of success using appropriate models condition and promote the role of the organization in a construction company. This article is an excerpt from the research within relevant doctoral dissertation [5] and displays the result of the evaluation of business performance of construction companies applying AHP model.

  15. Predictable grammatical constructions

    DEFF Research Database (Denmark)

    Lucas, Sandra

    2015-01-01

    My aim in this paper is to provide evidence from diachronic linguistics for the view that some predictable units are entrenched in grammar and consequently in human cognition, in a way that makes them functionally and structurally equal to nonpredictable grammatical units, suggesting that these p......My aim in this paper is to provide evidence from diachronic linguistics for the view that some predictable units are entrenched in grammar and consequently in human cognition, in a way that makes them functionally and structurally equal to nonpredictable grammatical units, suggesting...... that these predictable units should be considered grammatical constructions on a par with the nonpredictable constructions. Frequency has usually been seen as the only possible argument speaking in favor of viewing some formally and semantically fully predictable units as grammatical constructions. However, this paper...... semantically and formally predictable. Despite this difference, [méllo INF], like the other future periphrases, seems to be highly entrenched in the cognition (and grammar) of Early Medieval Greek language users, and consequently a grammatical construction. The syntactic evidence speaking in favor of [méllo...

  16. The construction phase’s influence to the moving ability of cross-sections of woven structure

    Science.gov (United States)

    Inogamdjanov, D.; Daminov, A.; Kasimov, O.

    2017-10-01

    The purpose of this study is to work out bases to predict properties for single layer flat woven fabrics depending on changes of construction phases. A structural model of cross-section of single layered fabric is described based on the Pierce’s model. Form transformation of the yarn like straight, semi-arch and arch yarn is considered according to the alteration of yarn tension under the theory of Novikov. The value contributions to movement index of warp and weft yarn and their total moving ability in cross-sections at all structure phases of fabric are summarized.

  17. Design and construction of UVSOR-BL4A2 beam line for nano-structure processing

    CERN Document Server

    Takezoe, N; Tanaka, T; Kurosawa, K; Nonogaki, Y; Noda, H; Mekaru, H; Urisu, T

    2001-01-01

    We have designed and constructed a new beam line BL4A2 at UVSOR mainly for nano-structure fabrication based on synchrotron radiation stimulated surface photochemical reactions. In order to obtain high-photon flux, we use white ray beam focused with only one mirror. The beam line is connected with ultra-high vacuum scanning tunneling microscope for in-situ atomic scale observations, low energy electron diffraction and Auger electron spectroscope for surface crystal structure characterization, and photo-stimulated surface reaction chamber. In order to monitor the optical properties with atomic scale, a near field optical microscope is planned to be installed.

  18. Design and construction of UVSOR-BL4A2 beam line for nano-structure processing

    International Nuclear Information System (INIS)

    Takezoe, N.; Yanagida, H.; Tanaka, T.; Kurosawa, K.; Nonogaki, Y.; Noda, H.; Mekaru, H.; Urisu, T.

    2001-01-01

    We have designed and constructed a new beam line BL4A2 at UVSOR mainly for nano-structure fabrication based on synchrotron radiation stimulated surface photochemical reactions. In order to obtain high-photon flux, we use white ray beam focused with only one mirror. The beam line is connected with ultra-high vacuum scanning tunneling microscope for in-situ atomic scale observations, low energy electron diffraction and Auger electron spectroscope for surface crystal structure characterization, and photo-stimulated surface reaction chamber. In order to monitor the optical properties with atomic scale, a near field optical microscope is planned to be installed

  19. 23 CFR 650.209 - Construction.

    Science.gov (United States)

    2010-04-01

    ... 23 Highways 1 2010-04-01 2010-04-01 false Construction. 650.209 Section 650.209 Highways FEDERAL..., STRUCTURES, AND HYDRAULICS Erosion and Sediment Control on Highway Construction Projects § 650.209 Construction. (a) Permanent erosion and sediment control measures and practices shall be established and...

  20. Construction Technology of Long Span Bridges

    DEFF Research Database (Denmark)

    Gimsing, Niels Jørgen

    2000-01-01

    A large variety of construction methods are used during construction of major bridges, and in many cases the final structural system must be chosen with due respect to the construction process. Today the preferred construction methods are: the free-cantilever method, the launching method...

  1. Along-Axis Structure and Crustal Construction Processes of Spreading Segments in Iceland: Implications for Magmatic Rifts

    Science.gov (United States)

    Siler, D. L.; Karson, J. A.

    2017-10-01

    Magmatic rift systems are composed of discrete spreading segments defined by morphologic, structural, and volcanic features that vary systematically along strike. In Iceland, structural features mapped in the glaciated and exhumed Miocene age upper crust correlate with analogous features in the seismically and volcanically active neovolcanic zone. Integrating information from both the active rift zones and ancient crust provides a three-dimensional perspective of crustal structure and the volcanic and tectonic processes that construct crust along spreading segments. Crustal exposures in the Skagi region of northern Iceland reveal significant along-strike variations in geologic structure. The upper crust at exhumed magmatic centers (segment centers) is characterized by a variety of intrusive rocks, high-temperature hydrothermal alteration, and geologic evidence for kilometer-scale subsidence. In contrast, the upper crust along segment limbs, which extend along strike from magmatic centers, is characterized by thick sections of gently dipping lava flows, cut by varying proportions of subvertical dikes. This structure implies relatively minor upper crustal subsidence and lateral dike intrusion. The differing modes of subsidence beneath segment centers and segment limbs require along-axis mass redistribution in the underlying upper, middle, and lower crust during crustal construction. This along-axis material transport is accomplished through lateral dike intrusion in the upper crust and by along-axis flow of magmatic to high-temperature solid-state gabbroic material in the middle and lower crust. These processes, inferred from outcrop evidence in Skagi, are consistent with processes inferred to be important during active rifting in Iceland and at analogous magmatic oceanic and continental rifts.

  2. Nuclear power plant containment construction

    International Nuclear Information System (INIS)

    Schabert, H.P.; Danisch, R.; Strickroth, E.

    1975-01-01

    The Nuclear Power Plant Containment Construction includes the spherical steel safety enclosure for the reactor and the equipment associated with the reactor and requiring this type of enclosure. This steel enclosure is externally structurally protected against accident by a concrete construction providing a foundation for the steel enclosure and having a cylindrical wall and a hemispherical dome, these parts being dimensioned to form an annular space surrounding the spherical steel enclosure, the latter and the concrete construction heretofore being concentrically arranged with respect to each other. In the disclosed construction the two parts are arranged with their vertical axis horizontally offset from each other so that opposite to the offsetting direction of the concrete construction a relatively large space is formed in the now asymmetrical annular space in which reactor auxiliary equipment not requiring enclosure by the steel containment vessel or safety enclosure, may be located outside of the steel containment vessel and inside of the concrete construction where it is structurally protected by the latter

  3. DGPS technology in construction: movement control in large structures; La tecnologia DGPS en la construccion: control de movimientos en grandes estructuras

    Energy Technology Data Exchange (ETDEWEB)

    Marchamalo, M.; Galan, D.; Sanchez, J. a.; Martinez, R.

    2011-07-01

    The joint development of auscultation and communications technologies is enabling the development of Automated Monitoring Systems for structures. In this paper, we analyze the viability of the application of DGPS (Differential GPS) technique to monitoring in construction. We can affirm DGPS is accurate and useful for the auscultation of large structures, such as dams, reflecting properly their movements and deformations, compared to geotechnical sensors. The use of DGPS technology in large structures can provide information on the dynamic characteristics of their movements and deformations. All this can be analyzed in real time, with automated measurement systems and alarms programmed for different thresholds. Therefore DGPS is considered a complementary technique for auscultation of large structures that can integrate with other geotechnical or topographical methods, both in the construction and monitoring phases. (Author)

  4. Prospects of application structural mathematical constructs as bases tool conceptualization the subject domain of sociology (statement of a problem

    Directory of Open Access Journals (Sweden)

    E. V. Maslennikov

    2016-01-01

    Full Text Available In article the approach to the decision of a problem of conceptual integration of sociology as the set of theoretical knowledge belonging to type - conceptually difficult - the big theories. Development of theoretical sociology with use of forms of the mathematical theory is considered as a private problem in relation to more general problem of development of theoretical knowledge with use of forms of the mathematical theory. Development the theoretical sociology is offered to carry out with use of forms of the mathematical theory on the basis of properties structural mathematical constructs and with application the mathematical methods developed in a scientific direction “The Conceptual analysis and designing”[40] . In the given direction it is used not only a paradigm of structuralism, but also a principle of an ascention from abstract to concrete in the knowledge, realized in procedure of synthesis of formal theories with use of the device of structural mathematics. The system analysis, the theory of systems and the theory of structures of N. Burbaki concerns to sources of occurrence of a method of the conceptual analysis. The method is intended for the analysis of subject domains of a high level of complexity, realization of conceptual modeling of objects from these subject domains and reception of new knowledge about essence of subject domains and their relations. Conceptual complexity of phenomena is understood as complexity of the structures expressing the relations and interrelations between concepts, describing interesting area from the point of view of solved tasks. For a subject domain conceptual complexity is potentially established by quantity of basic sets on which scales of sets and the steps belonging to them representing definitions of developed theory of a subject domain are constructed. In article is exposed to the analysis role structural mathematical constructs device in expansion integrating tool conceptualization

  5. Mortality table construction

    Science.gov (United States)

    Sutawanir

    2015-12-01

    Mortality tables play important role in actuarial studies such as life annuities, premium determination, premium reserve, valuation pension plan, pension funding. Some known mortality tables are CSO mortality table, Indonesian Mortality Table, Bowers mortality table, Japan Mortality table. For actuary applications some tables are constructed with different environment such as single decrement, double decrement, and multiple decrement. There exist two approaches in mortality table construction : mathematics approach and statistical approach. Distribution model and estimation theory are the statistical concepts that are used in mortality table construction. This article aims to discuss the statistical approach in mortality table construction. The distributional assumptions are uniform death distribution (UDD) and constant force (exponential). Moment estimation and maximum likelihood are used to estimate the mortality parameter. Moment estimation methods are easier to manipulate compared to maximum likelihood estimation (mle). However, the complete mortality data are not used in moment estimation method. Maximum likelihood exploited all available information in mortality estimation. Some mle equations are complicated and solved using numerical methods. The article focus on single decrement estimation using moment and maximum likelihood estimation. Some extension to double decrement will introduced. Simple dataset will be used to illustrated the mortality estimation, and mortality table.

  6. Deep-water northern Gulf of Mexico hydrocarbon plays

    International Nuclear Information System (INIS)

    Peterson, R.H.; Cooke, D.W.

    1995-01-01

    The geologic setting in the deep-water (depths greater than 1,500 feet) Gulf of Mexico is very favorable for the existence of large, commercial hydrocarbon accumulations. These areas have active salt tectonics that create abundant traps, underlying mature Mesozoic source rocks that can be observed expelling oil and gas to the ocean surface, and good quality reservoirs provided by turbidite sand deposits. Despite the limited amount of drilling in the deep-water Gulf of Mexico, 11 deep-water accumulations have been discovered which, when developed, will rank in the top 100 largest fields in the Gulf of Mexico. Proved field discoveries (those with announced development plans) have added over 1 billion barrels of oil equivalent to Gulf of Mexico reserves, and unproved field discoveries may add to additional billion barrels of oil equivalent. The Minerals Management Service, United States Department of the Interior, has completed a gulf-wide review of over 1,086 oil and gas fields and placed every pay sand in each field into a hydrocarbon play (plays are defined by chronostratigraphy, lithostratigraph, structure, and production). Seven productive hydrocarbon plays were identified in the deep-water northern Gulf of Mexico. Regional maps illustrate the productive limits of each play. In addition, field data, dry holes, and wells with sub-economic pay were added to define the facies and structural limits for each play. Areas for exploration potential are identified for each hydrocarbon play. A type field for each play is chosen to demonstrate the play's characteristics

  7. Construction of a virtual combinatorial library using SMILES strings to discover potential structure-diverse PPAR modulators.

    Science.gov (United States)

    Liao, Chenzhong; Liu, Bing; Shi, Leming; Zhou, Jiaju; Lu, Xian-Ping

    2005-07-01

    Based on the structural characters of PPAR modulators, a virtual combinatorial library containing 1226,625 compounds was constructed using SMILES strings. Selected ADME filters were employed to compel compounds having poor drug-like properties from this library. This library was converted to sdf and mol2 files by CONCORD 4.0, and was then docked to PPARgamma by DOCK 4.0 to identify new chemical entities that may be potential drug leads against type 2 diabetes and other metabolic diseases. The method to construct virtual combinatorial library using SMILES strings was further visualized by Visual Basic.net that can facilitate the needs of generating other type virtual combinatorial libraries.

  8. Design of Piano -playing Robotic Hand

    Directory of Open Access Journals (Sweden)

    Lin Jen-Chang

    2013-09-01

    Full Text Available Unlike the market slowdown of industrial robots, service & entertainment robots have been highly regarded by most robotics reseach and market research agencies. In this study we developed a music playing robot (which can also work as a service robot for public performance. The research is mainly focused on the mechanical and electrical control of piano-playing robot, the exploration of correlations among music theory, rhythm and piano keys, and eventually the research on playing skill of keyboard instrument. The piano-playing robot is capable of control linear motor, servo-motor and pneumatic devices in accordance with the notes and rhythm in order to drive the mechanical structure to proper positions for pressing the keys and generating music. The devices used for this robot are mainly crucial components produced by HIWIN Technology Corp. The design of robotic hand is based on the direction of anthropomorphic hand such that five fingers will be used for playing piano. The finger actuations include actions of finger rotation, finger pressing, and finger lifting; time required for these 3 stages must meet the requirement of rhythm. The purpose of entertainment robot can be achieved by playing electric piano with robotic hand, and we hope this research can contribute to the development of domestic entertainment music playing robots.

  9. Construction of integrable model Kohn-Sham potentials by analysis of the structure of functional derivatives

    International Nuclear Information System (INIS)

    Gaiduk, Alex P.; Staroverov, Viktor N.

    2011-01-01

    A directly approximated exchange-correlation potential should, by construction, be a functional derivative of some density functional in order to avoid unphysical results. Using generalized gradient approximations (GGAs) as an example, we show that functional derivatives of explicit density functionals have a very rigid inner structure, the knowledge of which allows one to build the entire functional derivative from a small part. Based on this analysis, we develop a method for direct construction of integrable Kohn-Sham potentials. As an illustration, we transform the model potential of van Leeuwen and Baerends (which is not a functional derivative) into a semilocal exchange potential that has a parent GGA, yields accurate energies, and is free from the artifacts inherent in existing semilocal potential approximations.

  10. The cell engineering construction and function evaluation of multi-layer biochip dialyzer.

    Science.gov (United States)

    Zhu, Wen; Li, Jiwei; Liu, Jianfeng

    2013-10-01

    We report the fabrication and function evaluation of multi-layer biochip dialyzer. Such device may potentially be applied to the wearable hemodialysis systems. By merging the advantages of microfluidic chip technology with cell engineering, both functions of glomerular filtration and renal tubule physiological activity are integrated in the same device. This device is designed into a laminated structure, in which the chip number of the superimposed layer can be arbitrarily tailored in accordance with the requirements of dialysis capacity. We propose that such structure can overcome the obstacles of large size and detached structure of the traditional hollow fiber dialyzer. To construct this multilayer biochips dialyzer, two types of dialyzer device with two-layered and six-layered chips are assembled, respectively. Cell adhesion and proliferation on three different dialysis membrane materials under static and dynamic conditions are investigated and compared. The filtration capability, re-absorption function and excrete ammonia function of the resulting multi-layer biochip dialyzer are evaluated. The results reveal that the constructed device can perform higher filtration efficiency and also play a role of renal tubule. This methodology may be useful in developing "scaling down" artificial kidneys that can act as wearable or even implantable hemodialysis systems.

  11. Identity Constructions in Bilingual Advertising: A Critical-Cognitive Approach

    Science.gov (United States)

    Li, Songqing

    2017-01-01

    Does English always play an important role in constructing identities within the multimodal ad? This question has wide-ranging implications for the study of identity constructions in bilingual advertising in particular, and for bilingualism and multilingualism generally. This article presents a critical-cognitive approach that is an evidence-based…

  12. Challenges and achievements - Prototype Fast Breeder Reactor construction

    International Nuclear Information System (INIS)

    Subramani, V.A.; Dhere, S.S.; Manoharan, V.; Subbaraman, P.

    2010-01-01

    Prototype fast breeder reactor presently under construction poses several challenges in materials, design and construction. The civil structure and equipment are of very large size and complex in nature. This paper presents the features of the design and construction of the PFBR excavation, raft, civil structure of the nuclear island connected buildings and reactor vault. This paper also brings out the details of the large size equipment of special stainless steel and handling structure for their lifting and placement inside the reactor vault. The paper is divided into three parts viz. introduction, challenges and achievements during construction of civil structures and erection of large size components. (author)

  13. Going for the play: Structural interpretation in offshore Congo

    Energy Technology Data Exchange (ETDEWEB)

    Platt, N.; Philip, P. (GECO-PRAKLA Exploration Services, Woking (United Kingdom)); Walter, S. (ARK Geophysics Ltd., Milton Keynes, (United Kingdom))

    1993-01-01

    Looking for new hydrocarbons in frontier areas, geologists and geophysicists use very trick in the book: plate tectonics, magnetic and gravity data, plain old geological horse sense and lots of seismic data. An interpretation team is followed, as they pick their way through a seismic survey shot in offshore Congo, Africa, searching for those areas (the plays) that show the greatest promise. 17 figs., 9 refs.

  14. Drawing as Social Play: Shared Meaning-Making in Young Children's Collective Drawing Activities

    Science.gov (United States)

    Kukkonen, Tiina; Chang-Kredl, Sandra

    2018-01-01

    The ability to construct shared meaning with peers is important for young children's social and linguistic development. Previous studies have mainly focused on shared meaning-making within cooperative pretend play with little mention of other childhood activities that might promote intersubjectivity. This study investigated the group play that…

  15. The interaction of parsing rules and argument – Predicate constructions: implications for the structure of the Grammaticon in FunGramKB

    Directory of Open Access Journals (Sweden)

    María del Carmen Fumero Pérez

    2017-07-01

    Full Text Available The Functional Grammar Knowledge Base (FunGramKB, (Periñán-Pascual and Arcas-Túnez 2010 is a multipurpose lexico-conceptual knowledge base designed to be used in different Natural Language Processing (NLP tasks. It is complemented with the ARTEMIS (Automatically Representing Text Meaning via an Interlingua–based System application, a parsing device linguistically grounded on Role and Reference Grammar (RRG that transduces natural language fragments into their corresponding grammatical and semantic structures. This paper unveils the different phases involved in its parsing routine, paying special attention to the treatment of argumental constructions. As an illustrative case, we will follow all the steps necessary to effectively parse a For-Benefactive structure within ARTEMIS. This methodology will reveal the necessity to distinguish between Kernel constructs and L1-constructions, since the latter involve a modification of the lexical template of the verb. Our definition of L1-constructions leads to the reorganization of the catalogue of FunGramKB L1-constructions, formerly based on Levin’s (1993 alternations. Accordingly, a rearrangement of the internal configuration of the L1-Constructicon within the Grammaticon is proposed.

  16. Structural cladding /clad structures:

    DEFF Research Database (Denmark)

    Beim, Anne

    2013-01-01

    tendencies, which can be traced in the use of materials, the structural features and the construction details of building systems in selected architectural works. With a particular focus at heavy constructions made of solid wood and masonry, and light weight constructions made of wooden frame structures...... and steel profiles, it is the intention to analyze, compare, and discuss how these various construction solutions point out strategies for development based on fundamentally different mindsets. The research questions address the following issues: How to learn from traditional construction principles: When...

  17. Comparative analysis of structural concrete quality assurance practices on nine nuclear power plant construction projects. Final report

    Energy Technology Data Exchange (ETDEWEB)

    Willenbrock, J.H.; Thomas, H.R. Jr.; Burati, J.L. Jr.

    1978-06-01

    The basic objective of this research effort was to perform a comparative analysis of the Quality Assurance practices related to the structural concrete phase on nine nuclear power plant projects which are (or have been) under construction in the United States in the past ten years. This analysis identified the response of each Quality Assurance program to the applicable criteria of 10 CFR Part 50, Appendix B as well as to the pertinent regulatory requirements and industry standards. The major emphasis was placed on the construction aspects of the structural concrete phase of each project. The engineering and design aspects were examined whenever they interfaced with the construction aspects. For those aspects of the Quality Assurance system which can be considered managerial in nature (i.e., organizational relationships, types of Quality Assurance programs, corrective action procedures, etc.) an attempt has been made to present the alternative approaches that were identified. For those aspects of the Quality Assurance system which are technical in nature (i.e., the frequency of testing for slump, compressive strength, etc.) an attempt has been made to present a comparative analysis between projects and in relation to the recommended or mandated practices presented in the appropriate industry codes and standards.

  18. Comparative analysis of structural concrete quality assurance practices on nine nuclear power plant construction projects. Final report

    International Nuclear Information System (INIS)

    Willenbrock, J.H.; Thomas, H.R. Jr.; Burati, J.L. Jr.

    1978-06-01

    The basic objective of this research effort was to perform a comparative analysis of the Quality Assurance practices related to the structural concrete phase on nine nuclear power plant projects which are (or have been) under construction in the United States in the past ten years. This analysis identified the response of each Quality Assurance program to the applicable criteria of 10 CFR Part 50, Appendix B as well as to the pertinent regulatory requirements and industry standards. The major emphasis was placed on the construction aspects of the structural concrete phase of each project. The engineering and design aspects were examined whenever they interfaced with the construction aspects. For those aspects of the Quality Assurance system which can be considered managerial in nature (i.e., organizational relationships, types of Quality Assurance programs, corrective action procedures, etc.) an attempt has been made to present the alternative approaches that were identified. For those aspects of the Quality Assurance system which are technical in nature (i.e., the frequency of testing for slump, compressive strength, etc.) an attempt has been made to present a comparative analysis between projects and in relation to the recommended or mandated practices presented in the appropriate industry codes and standards

  19. Problematic Game Play: The Diagnostic Value of Playing Motives, Passion, and Playing Time in Men

    Directory of Open Access Journals (Sweden)

    Julia Kneer

    2015-04-01

    Full Text Available Internet gaming disorder is currently listed in the DSM—not in order to diagnose such a disorder but to encourage research to investigate this phenomenon. Even whether it is still questionable if Internet Gaming Disorder exists and can be judged as a form of addiction, problematic game play is already very well researched to cause problems in daily life. Approaches trying to predict problematic tendencies in digital game play have mainly focused on playing time as a diagnostic criterion. However, motives to engage in digital game play and obsessive passion for game play have also been found to predict problematic game play but have not yet been investigated together. The present study aims at (1 analyzing if obsessive passion can be distinguished from problematic game play as separate concepts, and (2 testing motives of game play, passion, and playing time for their predictive values for problematic tendencies. We found (N = 99 males, Age: M = 22.80, SD = 3.81 that obsessive passion can be conceptually separated from problematic game play. In addition, the results suggest that compared to solely playing time immersion as playing motive and obsessive passion have added predictive value for problematic game play. The implications focus on broadening the criteria in order to diagnose problematic playing.

  20. Problematic game play: the diagnostic value of playing motives, passion, and playing time in men.

    Science.gov (United States)

    Kneer, Julia; Rieger, Diana

    2015-04-30

    Internet gaming disorder is currently listed in the DSM-not in order to diagnose such a disorder but to encourage research to investigate this phenomenon. Even whether it is still questionable if Internet Gaming Disorder exists and can be judged as a form of addiction, problematic game play is already very well researched to cause problems in daily life. Approaches trying to predict problematic tendencies in digital game play have mainly focused on playing time as a diagnostic criterion. However, motives to engage in digital game play and obsessive passion for game play have also been found to predict problematic game play but have not yet been investigated together. The present study aims at (1) analyzing if obsessive passion can be distinguished from problematic game play as separate concepts, and (2) testing motives of game play, passion, and playing time for their predictive values for problematic tendencies. We found (N = 99 males, Age: M = 22.80, SD = 3.81) that obsessive passion can be conceptually separated from problematic game play. In addition, the results suggest that compared to solely playing time immersion as playing motive and obsessive passion have added predictive value for problematic game play. The implications focus on broadening the criteria in order to diagnose problematic playing.

  1. Some problems of NPP construction base improvement

    International Nuclear Information System (INIS)

    Movchan, S.V.

    1984-01-01

    NPP construction bases are characterized by high cost of construction and large area. Duration of base construction makes up 3-4 years, labour contents for their erection constitute 600-900 thousand man-days. Delays in organizing functional base services essentially decelerate construction rates of the main NPP buildings. Maximum joining of separate buildings by their functional assignment and structural peculiarities, wide application of container buildings, partial utilization of permanent buildings of production centre for construction needs; transition to new organizational form of construction based on industrial production of buildings; production of volumetric structural-technological cells with mounted equipment manufactured at specialized plants, mounting NPP components with stock produced cells, consideration of the problem of large power centre creation are necessary for reduction of construction centres, area reduction of cost and duration of their construction

  2. Living in commodified history: constructing class identities in neotraditional neighbourhoods

    NARCIS (Netherlands)

    Meier, S.; Karsten, L.

    2012-01-01

    This paper examines how residents of neotraditional neighbourhoods in the Netherlands socially construct a ‘classed’ place identity and what role the historicised architecture plays within that process. Given that place identity is constructed through social and cultural practices, the paper argues

  3. Chemical construction and structural permutation of potent cytotoxin polytheonamide B: discovery of artificial peptides with distinct functions.

    Science.gov (United States)

    Itoh, Hiroaki; Inoue, Masayuki

    2013-07-16

    Polytheonamide B (1), isolated from the marine sponge Theonella swinhoei, is a posttranslationally modified ribosomal peptide (MW 5030 Da) that displays extraordinary cytotoxicity. Among its 48 amino acid residues, this peptide includes a variety D- and L-amino acids that do not occur in proteins, and the chiralities of these amino acids alternate in sequence. These structural features induce the formation of a stable β6.3-helix, giving rise to a tubular structure of over 4 nm in length. In the biological setting, this fold is believed to transport cations across the lipid bilayer through a pore, thereby acting as an ion channel. In this Account, we discuss the construction and structural permutations of this potent cytotoxin. First we describe the 161-step chemical construction of this unusual peptide 1. By developing a synthetic route to 1, we established the chemical basis for subsequent SAR studies to pinpoint the proteinogenic and nonproteinogenic building blocks within the molecule that confer its toxicity and channel function. Using fully synthetic 1, we generated seven analogues with point mutations, and studies of their activity revealed the importance of the N-terminal moiety. Next, we simplified the structure of 1 by substituting six amino acid residues of 1 to design a more synthetically accessible analogue 9. This dansylated polytheonamide mimic 9 was synthesized in 127 total steps, and we evaluated its function to show that it can emulate the toxic and ion channel activities of 1 despite its multiple structural modifications. Finally, we applied a highly automated synthetic route to 48-mer 9 to generate 13 substructures of 27-39-mers. The 37-mer 12 exhibited nanomolar level toxicity through a potentially distinct mode of action from 1 and 9. The SAR studies of polytheonamide B and the 21 artificial analogues have deepened our understanding of the precise structural requirements for the biological functions of 1. They have also led to the discovery of

  4. Development of the Contextual Assessment of Social Skills (CASS): a role play measure of social skill for individuals with high-functioning autism.

    Science.gov (United States)

    Ratto, Allison B; Turner-Brown, Lauren; Rupp, Betty M; Mesibov, Gary B; Penn, David L

    2011-09-01

    This study piloted a role play assessment of conversational skills for adolescents and young adults with high-functioning autism/Asperger syndrome (HFA/AS). Participants completed two semi-structured role plays, in which social context was manipulated by changing the confederate's level of interest in the conversation. Participants' social behavior was rated via a behavioral coding system, and performance was compared across contexts and groups. An interaction effect was found for several items, whereby control participants showed significant change across context, while participants with HFA/AS showed little or no change. Total change across contexts was significantly correlated with related social constructs and significantly predicted ASD. The findings are discussed in terms of the potential utility of the CASS in the evaluation of social skill.

  5. Plug and play type joints in steel and steel-concrete composite constructions

    NARCIS (Netherlands)

    Bijlaard, F.S.K.; Brekelmans, J.W.P.M.

    2007-01-01

    Traditionally for Western Europe countries, joints in steel frame structures are realised using bolts and welds. In the workshop the components are made using welding and drilling of the bolt holes. On site these structural components are connected together using bolts and nuts. The actions on site

  6. Images of the Muslim Woman and the Construction of Muslim Identity. The Essentialist Paradigm

    Directory of Open Access Journals (Sweden)

    Elham Manea

    2016-05-01

    Full Text Available This article argues that much of the postmodern discourse on the Muslim woman and her veil is symptomatic of what I call the “essentialist paradigm”. The world is seen through the prism of a group’s religious/cultural identity and eventually constructs a Muslim identity – and with it an image of the Muslim Woman. The image of the oppressed veiled Muslim Woman and the treatment of a piece of cloth as synonymous with her whole identity and being are products of this paradigm of thought. Using an interdisciplinary approach that combines discourse analysis and a case study of the construction of the British Muslim community, this article argues that the essentialist paradigm ignores the context of its subject matter with all its accompanying power structures, political and social factors, and the roles played by both the state and fundamentalist Islam in constructing a Muslim identity and with it the Muslim Woman and her dress code.

  7. Structural assessment of a lapped scarf joint applied to historical timber constructions in central Europe

    Czech Academy of Sciences Publication Activity Database

    Kunecký, Jiří; Hasníková, Hana; Kloiber, Michal; Milch, J.; Sebera, V.; Tippner, J.

    2018-01-01

    Roč. 12, č. 4 (2018), s. 666-682 ISSN 1558-3058 R&D Projects: GA MK(CZ) DG16P02M026 Keywords : carpentry * design limit state * lap joint * numerical modeling * stiffness Subject RIV: AL - Art, Architecture, Cultural Heritage OBOR OECD: Construction engineering, Municipal and structural engineering Impact factor: 1.053, year: 2016 https://www.tandfonline.com/doi/full/10.1080/15583058.2018.1442524

  8. The Transfer of Learning from Play Practices to Game Play in Young Adult Soccer Players

    Science.gov (United States)

    Holt, Josh E.; Ward, Phillip; Wallhead, Tristan L.

    2006-01-01

    Background: Physical educators and coaches face an ongoing problem of presenting fun and enjoyable practices that also provide efficient learning of technical and tactical sports skills. Effective instruction also promotes the transfer of learning from practice tasks to the real game. Play Practice (PP) describes a structure for teaching sports…

  9. AP1000 shield building: a constructability challenge

    International Nuclear Information System (INIS)

    Di Giuseppe, Giovanni; Bonanno, Domenico

    2010-01-01

    The AP1000 Shield Building, an enhanced structure which surrounds the containment vessel, consists of standard Reinforced Concrete (RC) and composite Steel and Concrete (SC) construction. In the SC module the surface steel plates, (with attached shear studs and angles) filled with concrete, act as the steel reinforcement in concrete. This is a relatively new design technology that required the appropriate use of structural codes, supplemented with information from applicable tests on similar composite steel and concrete construction. Being a newer design concept, existing codes do not provide explicit guidance on SC construction so a review of literature and test data on composite structures similar to AP1000 shield building was done in order to confirm the technical basis for the design. The SC walls, air inlet structure and roof of the Shield Building will be constructed using modular construction practices and then transported to site and lifted into place. These modules, working also as permanent form-work, will be filled with high strength Self- Consolidating Concrete. (SCC) This paper provides a focused and integrated presentation of the enhanced shield building design methodology, testing, constructability and inspection. (authors)

  10. On The Development of Additive Construction Technologies for Application to Development of Lunar/Martian Surface Structures Using In-Situ Materials

    Science.gov (United States)

    Werkheiser, Niki; Fiske, Michael; Edmunson, Jennifer; Khoshnevis, Behrokh

    2015-01-01

    For long-duration missions on other planetary bodies, the use of in-situ materials will become increasingly critical. As man's presence on these bodies expands, so must the breadth of the structures required to accommodate them including habitats, laboratories, berms, radiation shielding for natural radiation and surface reactors, garages, solar storm shelters, greenhouses, etc. Planetary surface structure manufacturing and assembly technologies that incorporate in-situ resources provide options for autonomous, affordable, pre-positioned environments with radiation shielding features and protection from micrometeorites, exhaust plume debris, and other hazards. This is important because gamma and particle radiation constitute a serious but reducible threat to long-term survival of human beings, electronics, and other materials in space environments. Also, it is anticipated that surface structures will constitute the primary mass element of lunar or Martian launch requirements. The ability to use in-situ materials to construct these structures will provide a benefit in the reduction of up-mass that would otherwise make long-term Moon or Mars structures cost prohibitive. The ability to fabricate structures in situ brings with it the ability to repair these structures, which allows for self-sufficiency necessary for long-duration habitation. Previously, under the auspices of the MSFC In Situ Fabrication and Repair (ISFR) project and more recently, under the joint MSFC/KSC Additive Construction with Mobile Emplacement (ACME) project, the MSFC Surface Structures Group has been developing materials and construction technologies to support future planetary habitats with in situ resources. One such technology, known as Contour Crafting (additive construction), is shown in Figure 1, along with a typical structure fabricated using this technology. This paper will present the results to date of these efforts, including development of novel nozzle concepts for advanced layer

  11. Effects of a classroom intervention with spatial play materials on children's object and viewer transformation abilities

    NARCIS (Netherlands)

    Vander Heyden, Karin; Huizinga, Mariette; Jolles, Jelle

    Children practice their spatial skills when playing with spatial toys, such as construction materials, board games, and puzzles. Sex and SES differences are observed in the engagement in such spatial play activities at home, which relate to individual differences in spatial performance. The current

  12. Engineering Play: Exploring Associations with Executive Function, Mathematical Ability, and Spatial Ability in Preschool

    Science.gov (United States)

    Gold, Zachary Samuel

    Engineering play is a new perspective on preschool education that views constructive play as an engineering design process that parallels the way engineers think and work when they develop engineered solutions to human problems (Bairaktarova, Evangelou, Bagiati, & Brophy, 2011). Early research from this perspective supports its use in framing play as a key learning context. However, no research to date has examined associations between engineering play and other factors linked with early school success, such as executive function, mathematical ability, and spatial ability. Additionally, more research is needed to further validate a new engineering play observational measure. This study had two main goals: (1) to gather early validity data on the engineering play measure as a potentially useful instrument for documenting the occurrence of children's engineering play behaviors in educational contexts, such as block play. This was done by testing the factor structure of the engineering play behaviors in this sample and their association with preschoolers' planning, a key aspect of the engineering design process; (2) to explore associations between preschoolers' engineering play and executive function, mathematical ability, and spatial ability. Participants included 110 preschoolers (62 girls; 48 boys; M = 58.47 months) from 10 classrooms in the Midwest United States coded for their frequency of engagement in each of the nine engineering play behaviors. A confirmatory factor analysis resulted in one engineering play factor including six of the engineering play behaviors. A series of marginal regression models revealed that the engineering play factor was significantly and positively associated with the spatial horizontal rotation transformation. However, engineering play was not significantly related to planning ability, executive function, informal mathematical abilities, or other spatial transformation skills. Follow-up analyses revealed significant positive

  13. Constructional and Conceptual Composition

    Science.gov (United States)

    Dodge, Ellen Kirsten

    2010-01-01

    Goldberg's (1995) recognition that, in addition to various word-level constructions, sentences also instantiate meaningful argument structure constructions enables a non-polysemy-based analysis of various verb 'alternations' (Levin 1993). In such an analysis, meaning variations associated with the use of the same verb in different argument…

  14. Analysis, Design, and Construction of a Base-Isolated Multiple Building Structure

    Directory of Open Access Journals (Sweden)

    Stefano Sorace

    2014-01-01

    Full Text Available The analysis and design of a multiple residential building, seismically protected by a base isolation system incorporating double friction pendulum sliders as protective devices, are presented in the paper. The building, situated in the suburban area of Florence, is composed of four independent reinforced concrete framed structures, mutually separated by three thermal expansion joints. The plan is L-shaped, with dimensions of about 75 m in the longitudinal direction and about 30 m along the longest side of the transversal direction. These characteristics identify the structure as the largest example of a base-isolated “artificial ground” ever built in Italy. The base isolation solution guarantees lower costs, a much greater performance, and a finer architectural look, as compared to a conventional fixed-base antiseismic design. The characteristics of the building and the isolators, the mechanical properties and the experimental characterization campaign and preliminary sizing carried out on the latter, and the nonlinear time-history design and performance assessment analyses developed on the base isolated building are reported in this paper, along with details about the installation of the isolators and the plants and highlights of the construction works.

  15. Rough-and-tumble play as a window on animal communication.

    Science.gov (United States)

    Palagi, Elisabetta; Burghardt, Gordon M; Smuts, Barbara; Cordoni, Giada; Dall'Olio, Stefania; Fouts, Hillary N; Řeháková-Petrů, Milada; Siviy, Stephen M; Pellis, Sergio M

    2016-05-01

    Rough-and-tumble play (RT) is a widespread phenomenon in mammals. Since it involves competition, whereby one animal attempts to gain advantage over another, RT runs the risk of escalation to serious fighting. Competition is typically curtailed by some degree of cooperation and different signals help negotiate potential mishaps during RT. This review provides a framework for such signals, showing that they range along two dimensions: one from signals borrowed from other functional contexts to those that are unique to play, and the other from purely emotional expressions to highly cognitive (intentional) constructions. Some animal taxa have exaggerated the emotional and cognitive interplay aspects of play signals, yielding admixtures of communication that have led to complex forms of RT. This complexity has been further exaggerated in some lineages by the development of specific novel gestures that can be used to negotiate playful mood and entice reluctant partners. Play-derived gestures may provide new mechanisms by which more sophisticated communication forms can evolve. Therefore, RT and playful communication provide a window into the study of social cognition, emotional regulation and the evolution of communication systems. © 2015 Cambridge Philosophical Society.

  16. Organizational bases of creation and functioning of the integrated structures in the investment in construction sphere

    Directory of Open Access Journals (Sweden)

    Subbotin Artem Sergeevich

    2014-04-01

    Full Text Available Integration is one of the results of the world industrial and economic processes globalization. Integration of production and commercial units and formation of modern structures of corporate level are one of current trends of development of the organization and management, both science, and practice. Formation and development of integrated structures became an important modern phenomenon in the organization of corporate level. Integration processes in organizations to large extend influence the relation of competitive strengths on the market and as a result the competitive ability of its objects. It is accepted to distinguish vertically and horizontally integrated structures. The use of the integrated structures allows providing steady development of investment and construction activity within state-private partnership, and thanks to its flexible structure it is capable to react to changes of external and internal factors quickly and adequately. Moreover, it is necessary to point out the possibility of using the cluster model in the process of describing functioning of integrated structures.

  17. AP1000 design and construction integration

    International Nuclear Information System (INIS)

    Winters, James W.; Clelland, Jill A.

    2004-01-01

    Construction costs of commercial nuclear generating plants must be reduced in order to expand the future use of nuclear energy. Two of the drivers of plant construction costs are the cost of financing during the construction duration and the substantial amount of skilled craft labor hours needed on site during construction. The application of information technology (IT) has been used to understand and reduce both of these drivers by establishing parallel construction paths using modules and integrating construction sequence review into the design process. In a program sponsored by EPRI, Westinghouse has modeled the construction of AP1000 in '4D' to show its viability, to improve its logic, to improve the plant design for constructibility and overall to reduce time and risk in the construction schedule. The design of most of AP1000 was constrained to be a duplicate of AP600 except where components required expansion for the higher power level. As a result, the construction schedule for AP1000 is as mature and as robust as that for AP600. Two areas important to the construction of AP1000 did require some design work because they could not remain the same as AP1000. First, the turbine building had to be redesigned to accommodate the larger turbine and its support systems. Again, as much of the AP600 design and philosophy as possible was retained. The building required enlargement and the basemat, foundations, steel structure and structural modules required modification. As concrete, steel, and equipment were defined by the designers, they were matched to the original AP600 turbine building schedule. This forced designers to assemble files to be consistent with building assembly activities and to think about constructibility as they defined the final design. Second, the reinforcement structure within the concrete under and supporting the containment vessel required detail design. Westinghouse was fortunate to have the constructor Obayashi of Japan recommend a detailed

  18. Interior noise analysis of a construction equipment cabin based on airborne and structure-borne noise predictions

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Sung Hee; Hong, Suk Yoon [Seoul National University, Seoul (Korea, Republic of); Song, Jee Hun [Chonnam National University, Gwangju (Korea, Republic of); Joo, Won Ho [Hyundai Heavy Industries Co. Ltd, Ulsan (Korea, Republic of)

    2012-04-15

    Noise from construction equipment affects not only surrounding residents, but also the operators of the machines. Noise that affects drivers must be evaluated during the preliminary design stage. This paper suggests an interior noise analysis procedure for construction equipment cabins. The analysis procedure, which can be used in the preliminary design stage, was investigated for airborne and structure borne noise. The total interior noise of a cabin was predicted from the airborne noise analysis and structure-borne noise analysis. The analysis procedure consists of four steps: modeling, vibration analysis, acoustic analysis and total interior noise analysis. A mesh model of a cabin for numerical analysis was made at the modeling step. At the vibration analysis step, the mesh model was verified and modal analysis and frequency response analysis are performed. At the acoustic analysis step, the vibration results from the vibration analysis step were used as initial values for radiated noise analysis and noise reduction analysis. Finally, the total cabin interior noise was predicted using the acoustic results from the acoustic analysis step. Each step was applied to a cabin of a middle-sized excavator and verified by comparison with measured data. The cabin interior noise of a middle-sized wheel loader and a large-sized forklift were predicted using the analysis procedure of the four steps and were compared with measured data. The interior noise analysis procedure of construction equipment cabins is expected to be used during the preliminary design stage.

  19. Interior noise analysis of a construction equipment cabin based on airborne and structure-borne noise predictions

    International Nuclear Information System (INIS)

    Kim, Sung Hee; Hong, Suk Yoon; Song, Jee Hun; Joo, Won Ho

    2012-01-01

    Noise from construction equipment affects not only surrounding residents, but also the operators of the machines. Noise that affects drivers must be evaluated during the preliminary design stage. This paper suggests an interior noise analysis procedure for construction equipment cabins. The analysis procedure, which can be used in the preliminary design stage, was investigated for airborne and structure borne noise. The total interior noise of a cabin was predicted from the airborne noise analysis and structure-borne noise analysis. The analysis procedure consists of four steps: modeling, vibration analysis, acoustic analysis and total interior noise analysis. A mesh model of a cabin for numerical analysis was made at the modeling step. At the vibration analysis step, the mesh model was verified and modal analysis and frequency response analysis are performed. At the acoustic analysis step, the vibration results from the vibration analysis step were used as initial values for radiated noise analysis and noise reduction analysis. Finally, the total cabin interior noise was predicted using the acoustic results from the acoustic analysis step. Each step was applied to a cabin of a middle-sized excavator and verified by comparison with measured data. The cabin interior noise of a middle-sized wheel loader and a large-sized forklift were predicted using the analysis procedure of the four steps and were compared with measured data. The interior noise analysis procedure of construction equipment cabins is expected to be used during the preliminary design stage

  20. The Evolving Dynamic Response of a Four Storey Reinforced Concrete Structure during Construction

    Directory of Open Access Journals (Sweden)

    A. Devin

    2012-01-01

    Full Text Available Structures include elements designated as load bearing and non-load bearing. While non-load bearing elements, such as facades and internal partitions, are acknowledged to add mass to the system, the structural stiffness and strength is generally attributed to load bearing elements only. This paper investigates the contribution of non-load bearing elements to the dynamic response of a new structure, the Charles Institute, in the grounds of University College Dublin (UCD Ireland. The vertical vibration response of the first floor and the lateral response at each floor level were recorded at different construction stages. The evolution of the structural response as well as the generation of a finite element (FE model is discussed. It was found that the addition of the non-load bearing facades increased the first floor natural frequency from 10.7 Hz to 11.4?Hz, a change of approximately +6.5%. Similarly these external facades resulted in the first sway mode having its frequency increased by 6%. The subsequent addition of internal partitions, mechanical services and furnishings resulted in the floor natural frequency reducing to 9.2 Hz. It is concluded that external facades have the net effect of adding stiffness and the effect of internal partitions and furnishings is to add mass. In the context of finite element modelling of structures there is a significant challenge to represent these non-structural elements correctly so as to enable the generation of truly predictive FE models.

  1. Construction inspection manual of procedures

    Science.gov (United States)

    2009-01-01

    This manual provides highway construction personnel with relevant, practical information in order to perform accurate inspections and provide relevant construction procedural information for the various roadway and structures items of work. It is the...

  2. Structuring Requirements in a Multi-Project Environment in the Construction Industry

    DEFF Research Database (Denmark)

    Wörösch, Michael

    2012-01-01

    Being in control of requirements in building projects is vital, since it helps securing the often small profit margins and the reputation of the responsible company. Hence this research aims to introduce requirements management to the construction industry. By means of case study and action...... in this industry, yet, success is here defined as an accomplished and accepted implementation of requirements management processes that are used by the relevant project members in their daily work and where the benefits of implementing requirements management outweighs the cost of invested resources. Furthermore...... it is argued that when running technology development, product development, product platform development, and a portfolio of building projects at the same time the use of requirements management is advantageous and an intelligent way of structuring requirements is needed. This article also demonstrates...

  3. Quantitative Identification of Construction Risk

    OpenAIRE

    Kasprowicz T.

    2017-01-01

    Risks pertaining to construction work relate to situations in which various events may randomly change the duration and cost of the project or worsen its quality. Because of possible significant changes of random events, favorable, moderate, and difficult conditions of construction work are considered. It is the first stage of the construction risk analysis. The probabilistic parameters of construction are identified and described by using the design characteristics model of the structure and...

  4. Experience of light thin-walled structures improvement in construction

    Science.gov (United States)

    Frolovskaia, A. V.; Deordiev, S. V.; Falk, A.; Klinduh, N. Y.; Terehova, I. I.

    2018-05-01

    The authors on the basis of practical experience have analyzed low-rise construction with the use of energy-saving technologies. Characteristic features of possible variants of frame construction are looked at and described. The relevance of the paper consists in the improvement of the building frame design solution based on the analysis and elimination of disadvantages taking into account consumers’ point of view.

  5. Analysis of the Key and Difficult Points in the Engineering Construction Technology of the Steel Structures of a Super High-rise Building

    Science.gov (United States)

    Dou, Lijun; Li, Hengxu

    2017-07-01

    In recent years, with the rapid development of the economy of China, the traditional building structure has not been able to meet the current people’s demands and the super high-rise building has become a symbol of a city. In the current period, the research on the super high-rise building in the architectural industry of China is late and the technical blanks exist in some construction difficulties in the super high-rise steel structures. Based on the above, a brief analysis and discussion on the difficult construction technology in the steel structures of a super high-rise building and some measures are presented for reference of the relevant personnel in this paper.

  6. How personal resources predict work engagement and self-rated performance among construction workers: a social cognitive perspective.

    Science.gov (United States)

    Lorente, Laura; Salanova, Marisa; Martínez, Isabel M; Vera, María

    2014-06-01

    Traditionally, research focussing on psychosocial factors in the construction industry has focused mainly on the negative aspects of health and on results such as occupational accidents. This study, however, focuses on the specific relationships among the different positive psychosocial factors shared by construction workers that could be responsible for occupational well-being and outcomes such as performance. The main objective of this study was to test whether personal resources predict self-rated job performance through job resources and work engagement. Following the predictions of Bandura's Social Cognitive Theory and the motivational process of the Job Demands-Resources Model, we expect that the relationship between personal resources and performance will be fully mediated by job resources and work engagement. The sample consists of 228 construction workers. Structural equation modelling supports the research model. Personal resources (i.e. self-efficacy, mental and emotional competences) play a predicting role in the perception of job resources (i.e. job control and supervisor social support), which in turn leads to work engagement and self-rated performance. This study emphasises the crucial role that personal resources play in determining how people perceive job resources by determining the levels of work engagement and, hence, their self-rated job performance. Theoretical and practical implications are discussed. © 2014 International Union of Psychological Science.

  7. Taking a bite out of "Buffy": Carnivalesque play and resistance in fan fiction

    Directory of Open Access Journals (Sweden)

    Amanda L. Hodges

    2011-09-01

    Full Text Available Popular culture provides a vital point of entry to examine discourses of hegemony and resistance at work within the growing culture of fandom. Drawing from epistemologies of feminism and poststructuralism, we deconstruct how fans read, co-construct, apply, and reenvision texts as they navigate societal notions of gender in their own constructions of subjectivity. We discuss subversive examples of sexuality and gender found in American popular culture, particularly the portrayal of femininity in the character of Faith, the bad girl from Buffy the Vampire Slayer. Such examples are important because they impart crucial hegemonic lessons that may then be played out in everyday life. By focusing on the third season of Buffy the Vampire Slayer, we examine the discourses of risk at play within the source text, fan sites, and online fan fiction. Bakhtin's ideas of carnival drive much of fan fiction, and Foucault's analysis of power relations as well as Butler's theories of performativity contribute to play that affords dynamic, critical perspectives with which to interrogate social metanarratives and their impact on the subject.

  8. Economic efficiency of application of innovative materials and structures in high-rise construction

    Science.gov (United States)

    Golov, Roman; Dikareva, Varvara; Gorshkov, Roman; Agarkov, Anatoly

    2018-03-01

    The article is devoted to the analysis of technical and economic efficiency of application of tube confined concrete structures in high-rise construction. The study of comparative costs of materials with the use of different supporting columns was carried out. The main design, operational, technological and economic advantages of the tube confined concrete technology were evaluated, conclusions were drawn about the high strength and deformation properties of axial compression of steel tubes filled with high-strength concrete. The efficiency of the tube confined concrete use is substantiated, which depends mainly on the scale factor and percentage of reinforcement affecting its load-bearing capacity.

  9. Nuclear reactor constructions

    International Nuclear Information System (INIS)

    Aspden, G.J.

    1980-01-01

    A nuclear reactor construction comprising a reactor core submerged in a pool of liquid metal coolant in a primary vessel which is suspended from the roof structure of a containment vault. Control rods supported from the roof structure are insertable in the core which is carried on a support structure from the wall of the primary vessel. To prevent excessive relaxation of the support structure whereby the control rods would be displaced relative to the core, the support structure incorporates a normally inactive secondary structure designed to become effective in bracing the primary structure against further relaxation beyond a predetermined limit. (author)

  10. Shortening of construction period of nuclear power plant. Activities of construction industry on construction period shortening

    International Nuclear Information System (INIS)

    Kamata, Hirofumi

    2011-01-01

    Total construction period could be shorten by prefabricating structures efficiently in another yard and reducing working hours on site, which would reduce work at height or congestion work and also upgrade safety at work. Construction period shortening would surely reduce expenses during work and advance operation start of electric utilities. Construction of reactor building, turbine building, water intake and drainage canal was performed on a relatively large scale and a big share of whole schedule. This article summarized basic technologies to shorten construction period for reactor building/turbine building and water intake and drainage canal. Advanced methods of reactor building/turbine building; (1) modularization of equipment and skeleton, (2) utilization of concrete mold, reinforcing bar and steel frame, (3) precedent steel frame method and (4) steel plate reinforced concrete (SC) method, were outlined and their application examples were shown to reduce work on site and improve work efficiency. As for water intake and drainage canal construction, (1) precast concrete method, (2) SC method and (3) steel plate shell method were described with application examples. Construction procedures and problems using mega block method for water intake and drainage canal were also introduced. (T. Tanaka)

  11. Applying Interpretive Structural Modeling to Cost Overruns in Construction Projects in the Sultanate of Oman

    Directory of Open Access Journals (Sweden)

    K. Alzebdeh

    2015-06-01

    Full Text Available Cost overruns in construction projects are a problem faced by project managers, engineers, and clients throughout the Middle East.  Globally, several studies in the literature have focused on identifying the causes of these overruns and used statistical methods to rank them according to their impacts. None of these studies have considered the interactions among these factors. This paper examines interpretive structural modelling (ISM as a viable technique for modelling complex interactions among factors responsible for cost overruns in construction projects in the Sultanate of Oman. In particular, thirteen interrelated factors associated with cost overruns were identified, along with their contextual interrelationships. Application of ISM leads to organizing these factors in a hierarchical structure which effectively demonstrates their interactions in a simple way. Four factors were found to be at the root of cost overruns: instability of the US dollar, changes in governmental regulations, faulty cost estimation, and poor coordination among projects’ parties. Taking appropriate actions to minimize the influence of these factors can ultimately lead to better control of future project costs. Thisstudy is of value to managers and decision makers because it provides a powerful yet very easy to apply approach for investigating the problem of cost overruns and other similar issues.

  12. Considering play : From method to analysis

    NARCIS (Netherlands)

    van Vught, J.F.|info:eu-repo/dai/nl/413532682; Glas, M.A.J.|info:eu-repo/dai/nl/330981447

    2017-01-01

    This paper deals with play as an important methodological issue when studying games as texts and is intended as a practical methodological guide. After considering text as both the structuring object as well as its plural processual activations, we argue that different methodological considerations

  13. Effect of construction of Dukovany nuclear power plant on development of organizational structure of Prumyslove Stavby Brno

    International Nuclear Information System (INIS)

    Miks, L.

    1985-01-01

    Prumyslove stavby was set up in 1969 and its structure has undergone considerable changes. No major changes were made during the pre-production stage and in the construction preparation period (1969-77). With increased building work volume the organizational structure expanded: new units, such as building site plants, etc., were opened. The current period is characterized by gradual reduction in production capacity, mainly in units providing special jobs. All production units will be closed down with the termination of the nuclear power plant in 1987. (Pu)

  14. Evaluating the performance and intellectual structure of construction and demolition waste research during 2000-2016.

    Science.gov (United States)

    Liu, Yanli; Sun, Tiantian; Yang, Lie

    2017-08-01

    Construction and demolition (C&D) waste diminishes scarce land resources and endangers human health and the surrounding environment. Quantitative and visualized analysis was conducted to evaluate worldwide scientific research output on C&D waste from 2000 to 2016. The related information of 857 publications was collected from SCI-Expanded database and statistically analyzed. The number of documents about C&D waste presented a general growth during the last 17 years. Construction and Building Materials publication ranked first in the most productive journals. China and Spain acted as dominated roles comparing to other countries, and Hong Kong Polytechnic University was the institution with the largest amount of C&D waste research. Recycled aggregates, sustainable C&D waste management, and the rewarding program and commerce system were the hottest topics during 2000-2016 and in the near future according to the intellectual structure analysis.

  15. Construction waste rises up the agenda.

    Science.gov (United States)

    Moon, David

    2010-10-01

    Building maintenance and the construction of new healthcare facilities are central to maintaining the NHS's infrastructure, but such work is costly, and subject to intense financial scrutiny. Dr David Moon, programme manager, Clients and Policy, at Government-backed WRAP (the Waste & Resources Action Programme), which works in England, Scotland, Wales, and Northern Ireland, to help businesses and individuals reduce waste, develop sustainable products, and use resources efficiently, outlines the crucial role that NHS Trusts play in securing cost savings through minimising construction waste, as set out in a new WRAP guide.

  16. Play and playfulness, basic features of early childhood education

    NARCIS (Netherlands)

    Singer, E.

    2013-01-01

    This article argues that play and playfulness are basic features in early childhood education, but that play curricula can have serious drawbacks. The starting point is the play theory of the Dutch historian Johan Huizinga, a radical critic of the focus on the educational benefits of play. According

  17. Play therapy for a boy with emotional/behavioural problems: the therapist’s working experience with the child

    OpenAIRE

    Salles, Andréia Mansk Boone; Universidade Federal do Espírito Santo

    2015-01-01

    Play therapy offers children the opportunity to “play out” their intensive feelings, conflicts and issues in a constructive atmosphere, and with a sense of safety and acceptance given to them by the play therapist. Bering this in mind, the therapist employed Non-Directive Play Therapy approach during 31 sessions of 45 minutes each with a nine-years-old boy who was exhibiting emotional/behavioural problems at school. The client’s psychotherapeutic process is presented divided in three stages: ...

  18. Wall Construction; Carpentry: 901892.

    Science.gov (United States)

    Dade County Public Schools, Miami, FL.

    The curriculum guide outlines a course designed to provide instruction in floor and wall layout, and in the diverse methods and construction of walls. Upon completion of this course the students should have acquired a knowledge of construction plans and structural foundations in addition to a basic knowledge of mathematics. The course consists of…

  19. Structural health monitoring and lifecycle-management for civil engineering constructions in power plants and industrial facilities; Zustandsueberwachung und Lebensdauermanagement von baulichen Einrichtungen in Kraftwerken und Industrieanlagen

    Energy Technology Data Exchange (ETDEWEB)

    Lehnen, Dieter; Demmer, Martin; Pfister, Tobias [ZERNA Planen und Pruefen GmbH, Bochum (Germany)

    2013-09-01

    In contrast to other fields of engineering, structural health monitoring and lifecycle management for civil engineering constructions in power plants and industrial facilities have to be developed yet. The necessity of this development immediately arises from the building regulations law with its extensive set of regulations as well as from economic constraints. Approaches and methods of structural health monitoring and lifecycle management for civil engineering constructions in power plants and industrial facilities could be improved intensively during recent years. The paper focuses on practical examples that show the necessity of comprehensive and strategic structural health monitoring in conjunction with lifecycle management for civil engineering constructions in power plants and industrial facilities unambiguously und clear. (orig.)

  20. Marginalised Identity in Timberlake Wertenbaker’s Play: New Anatomies

    Directory of Open Access Journals (Sweden)

    Ayça B. Ülker Erkan

    2017-06-01

    Full Text Available The purpose of this study is to discuss the space for a marginalized feminine identity in contemporary British feminist dramatist Timberlake Wertenbaker’s play. The play New Anatomies dramatizes the life of a historical woman called Isabelle Eberhardt, who disguised herself as an Arab man called Si Mahmoud living among Algerians. The focus of the play is the construction of a marginalised identity through dislocation of a woman from the European culture. Finding no space for her radical identity, she disguises herself as an Arab man to escape the constraints imposed on women by European ideals of femininity. Eberhardt disrupts the conventional gender codes by showing how gender is dramatized within the space of the salon. In contrast, Eberhardt is received as a man in male attire when travelling in Algeria trying to find out a space for her radical identity. She achieves a certain kind of freedom by her dislocation although this eventually leads to her death in desert.

  1. Specific features of modern multifunctional high-rise building construction

    Science.gov (United States)

    Manukhina, Lyubov; Samosudova, Natal'ja

    2018-03-01

    The article analyzes the main reasons for the development of high-rise building construction the most important of which-is a limitation of the urban areas and, consequently, the high price of land reserved for construction. New engineering and compositional solutions for the creation of new types of buildings are considered - complex technical designs of a large number of storeys completely meet the new requirements for safety and comfort. Some peculiarities of designing high-rise buildings and searching for optimal architectural and planning solutions are revealed since, with external architectural simplicity, high-rise buildings have complex structural and technological and space-planning solutions. We consider the specific features of a high-rise housing in various countries around the world, including Russia, such as the layout of the multi-storey residential buildings, depending on the climatic characteristics of the regions, assessment of the geological risk of the construction site, the choice of parameters and functional purpose of the sections of the territory of high-rise construction, location of the town-planning object for substantiating the overall dimensions of the building, assessment of changes aeration and engineering and hydrological conditions of the site. A special place in the article on the problems of improvement of the territory, the device of courtyards, landscaping, the device of playing and sports grounds. The main conclusion in the article is the following problem - when developing high-rise housing construction, the development of high-rise housing, and an increase in the population density in the territory of large cities of Russia, necessary to create a comfortable and safe level of residents living and not a decrease, but an improvement in the quality of the urban environment.

  2. Playful Membership

    DEFF Research Database (Denmark)

    Åkerstrøm Andersen, Niels; Pors, Justine Grønbæk

    2014-01-01

    This article studies the implications of current attempts by organizations to adapt to a world of constant change by introducing the notion of playful organizational membership. To this end we conduct a brief semantic history of organizational play and argue that when organizations play, employees...... are expected to engage in playful exploration of alternative selves. Drawing on Niklas Luhmann's theory of time and decision-making and Gregory Bateson's theory of play, the article analyses three empirical examples of how games play with conceptions of time. We explore how games represent an organizational...

  3. Construction of SnO2?Graphene Composite with Half-Supported Cluster Structure as Anode toward Superior Lithium Storage Properties

    OpenAIRE

    Zhu, Chengling; Chen, Zhixin; Zhu, Shenmin; Li, Yao; Pan, Hui; Meng, Xin; Imtiaz, Muhammad; Zhang, Di

    2017-01-01

    Inspired by nature, herein we designed a novel construction of SnO2 anodes with an extremely high lithium storage performance. By utilizing small sheets of graphene oxide, the partitioned-pomegranate-like structure was constructed (SnO2@C@half-rGO), in which the porous clusters of SnO2 nanoparticles are partially supported by reduced graphene oxide sheets while the rest part is exposed (half-supported), like partitioned pomegranates. When served as anode for lithium-ion batteries, SnO2@C@half...

  4. design, construction and performance evaluation of multiple casting

    African Journals Online (AJOL)

    eobe

    time taken for solidification, plays an important role in the casting. There should not ... Keywords: Design, Construction, Multiple casting machine, Compo Casting operation. 1. Introduction .... metal and pathway channel pipe with heater is used.

  5. Mammalian play: training for the unexpected.

    Science.gov (United States)

    Spinka, M; Newberry, R C; Bekoff, M

    2001-06-01

    kinematic, structural, motivational, emotional, cognitive, social, ontogenetic, and phylogenetic aspects of play. It may also account for a diversity of individual methods for coping with unexpected misfortunes.

  6. SYSTEM OF STANDARTIZATION OF CONSTRUCTION OPERATIONS ARRANGEMENT

    Directory of Open Access Journals (Sweden)

    Oleynik Pavel Pavlovich

    2012-10-01

    Full Text Available In the proposed article, management of construction operations is represented as a multi-level system; it is considered with the framework of projects including new construction, restructuring and overhaul of buildings and structures. The system of management of construction operations is to be composed of the following three constituent parts. They include a construction and assembling entity, project and operations, and a procurement base. Such matters as the quality of construction products, purchase (lease of building machinery and vehicles are incorporated into the level of the construction and assembling entity. The project level comprises such components of construction operations management as pre-construction preparation of a project, methods and forms of construction management, preparatory works, management of construction activities, real-time operations control, construction quality control, etc. The level of operations and the procurement base covers the needs for materials and equipment, their purchase and procurement, as well as the warehouse management. The main elements of the standardization system are identified. Standards of construction operations management are explained, including 1. General Provisions; 2. Preparation and performance of construction and assembling works; 3. New construction. Building site organization; 4. Demolition (dismantling of buildings and structures; 5. Rules of preparation for acceptance and commissioning of completed residential buildings. The prospects for the further development of the system of standardization of construction operations management are outlined

  7. Effects of radiation rays on construction materials

    International Nuclear Information System (INIS)

    Akkurt, I.; Kilicarslan, S.; Basyigit, C.; Kacar, A.

    2006-01-01

    Molecules that are bring into existence material determined as gas, liquid and stiff according to their internal structures and heat. Materials show various reaction to various effects that is result from all kind of materials have various internal structures. Radiation is covert materials' mechanical, physical and chemical properties. Nowadays in construction formation there isn't using only one material it is preferred that kind of materials composition because of there are run into some problems about choosing and decision sort of material. Material that using in construction is classified as metals, plastics and ceramics in three groups. About sixty percent of construction cost is being formed from construction materials. In this study effects of various radiations on construction materials are being investigated and the end of study it is being suggestion some useful construction materials according to usage land and radiation properties

  8. Influence of environmental variables on the structure and composition of soil bacterial communities in natural and constructed wetlands.

    Science.gov (United States)

    Arroyo, Paula; Sáenz de Miera, Luis E; Ansola, Gemma

    2015-02-15

    Bacteria are key players in wetland ecosystems, however many essential aspects regarding the ecology of wetland bacterial communities remain unknown. The present study characterizes soil bacterial communities from natural and constructed wetlands through the pyrosequencing of 16S rDNA genes in order to evaluate the influence of wetland variables on bacterial community composition and structure. The results show that the composition of soil bacterial communities was significantly associated with the wetland type (natural or constructed wetland), the type of environment (lagoon, Typha or Salix) and three continuous parameters (SOM, COD and TKN). However, no clear associations were observed with soil pH. Bacterial diversity values were significantly lower in the constructed wetland with the highest inlet nutrient concentrations. The abundances of particular metabolic groups were also related to wetland characteristics. Copyright © 2014 Elsevier B.V. All rights reserved.

  9. Construction and testing of a blower-door assembly for regulation of air pressure within structures

    International Nuclear Information System (INIS)

    Steele, W.D.

    1987-09-01

    The Technical Measurements Center is evaluating several methods to decrease the time required to determine an annual average radon-daughter concentration in structures. One method involves stabilizing the air pressure within the structure at a constant pressure with reference to external atmospheric or soil-gas pressure. This report describes the construction and preliminary testing of a blower-door system to maintain a constant differential air pressure within a structure. The blower-door assembly includes a collapsible frame and a large fan to occlude a doorway, a damper with an actuator to control air flow, a controller to drive the damper actuator, and a pressure transducer to measure the differential pressure. Preliminary testing of the system indicates that pressure within the structure in the range of 1 to 20 Pascals can be held to within approximately +-1 Pa of the set point. Further testing of the blower-door system is planned to provide data on the applicability of this method to short-duration tests for annual average radon-daughter concentration estimates. 13 figs., 1 tab

  10. The prospects of construction and transport industry

    Science.gov (United States)

    Yaskova, Natalia

    2017-10-01

    The article is focused on a problem of moving the construction industry into the growth and prosperity phase. The method of target orienting developed by the author is aimed at overcoming technological weakness of the construction industry and eliminating disproportions of the capital funds’ structure. Exhaustion of traditional sources of construction industry growth and real property market growth required the research on specific technologies of interphase transformations and their development. It will contribute to implementing the objective laws of the new wave of construction growth, which provides the development of immovable’s structure that is reasonable in terms of strategic priorities of the national economy.

  11. Ecological literacy and concepts formation in childhood education through playful activities

    Directory of Open Access Journals (Sweden)

    Ana Célia de Brito Miranda

    2010-07-01

    Full Text Available This study aimed to investigate the concept formation involved in the study of food chain by utilizing the vygotskian referential and playful activities. The teacher-researcher planned the activities that were experienced by a group of children in an elementary school aged 4 to 5. The topic chosen intended to support ecological literacy and the construction of scientific concepts in children. For the data collect, the study employed diverse instruments of a playful nature, such as theatre, games, drawings, and video-recorded interviews. The study showed a generally positive influence of playful activities to develop a perception of belonging to the food chain and becoming aware of the importance of caring for animals in order to preserve life, as well as an evolution inside the phases proposed by Vygotsky.

  12. Adaptive constructive processes and the future of memory

    OpenAIRE

    Schacter, Daniel L.

    2012-01-01

    Memory serves critical functions in everyday life, but is also prone to error. This article examines adaptive constructive processes, which play a functional role in memory and cognition but can also produce distortions, errors, or illusions. The article describes several types of memory errors that are produced by adaptive constructive processes, and focuses in particular on the process of imagining or simulating events that might occur in one’s personal future. Simulating future events reli...

  13. A Study of the potency of construction service industries to support the first nuclear power plant construction in Indonesia

    International Nuclear Information System (INIS)

    Dharu Dewi; Sriyana

    2008-01-01

    The study was conducted to identify the potency of construction service industries to participate in nuclear power plant program in Indonesia. The potency is identified by evaluation results of national industries potency in some multinational construction service industries. The research methodology chosen was the survey method by sending questionnaires, visits to National industries, interview, and literature study. The data collection technique was sampling purposive. Data can be obtained from both primary and secondary data. The study results showed that the performance of construction service industries to support the NPP program must be increased through the selection of competent human resources, reliable equipment and an effective and efficient project management system, so that they can be expected to play necessary role in the nuclear power plant construction in Indonesia. (author)

  14. Preassembly method for construction of nuclear power station

    International Nuclear Information System (INIS)

    Shimazaki, Yasuyoshi

    1986-01-01

    Recently preassembly method for construction are generally popular in Japan and this trend is prevailing all over the world. They provide good solutions to the problems that the Japanese construction industry faces and also they meet the needs for construction of nuclear power plants having heavily reinforced concrete structures. We have already established basic technologies for the methods, developing more advanced methods (more systematic, larger sized, more applicable, etc.). In the near future, they will be further developed up to a complete system called 'Industrialized construction method'. This system will include the use of precast concrete component, steel concrete composit structures and construction robots. (author)

  15. STRUCTURE TEHNICAL-TACTICS ACTIVITIEST FROM BASKETBALL TEAMS IN NBA-LEAGUE

    Directory of Open Access Journals (Sweden)

    Vesna Jovanova-Simeva

    2007-05-01

    Full Text Available league in the world-NBA league. Population which at to draw out this exemplar consist 102 teams, who is best successful the presents structure of the basketball games of expression above presentation factors. The results from the factor analysis there have been isolated six independent factors: the fi rst factor is defi ne how game construction the fast attack; second factor is de fi ne how tactically game construction the individual actions in defense and attack; the third factor is defi ne how favorable result to outplay with defenses players in at out of margin under basket; fourscater factor is defi ne how game construction in the press defenses and throwing ball in basket than middle distance between; the fi ves factor is defi ne how game construction favorable defenses and on respective and rationally se micon traattacks and sixt factor is defi ne how game construction on the highly and mo bi li tes play ers.

  16. Effects of Misgurnus anguillicaudatus and Cipangopaludina cathayensis on Pollutant Removal and Microbial Community in Constructed Wetlands

    Directory of Open Access Journals (Sweden)

    Pengfei Li

    2015-05-01

    Full Text Available Aquatic animals play an important role in the energy flow and matter cycling in the wetland ecosystem. However, little is known about their effects on pollutant removal performance and microbial community in constructed wetlands. This work presents an initial attempt to investigate the effects of Misgurnus anguillicaudatus (loach and Cipangopaludina cathayensis (snail on nutrient removal performance and microbial community of constructed wetlands (CWs. Compared with a control group, CW microcosms with aquatic animals exhibited better pollutant removal performance. The removal efficiencies of total phosphorus (TP in the loach group were 13.1% higher than in the control group, and snails increased the ammonium removal most effectively. Moreover, the concentration of total organic carbon (TOC and TP in sediment significantly reduced with the addition of loaches and snails (p < 0.05, whereas the concentration of total nitrogen (TN showed an obvious increase with the addition of loaches. High-throughput sequencing showed a microbial community structure change. Loaches and snails in wetlands changed the microbial diversity, especially in the Proteobacteria and denitrifying community. Results suggested that benthic aquatic animals might play an important role in CW ecosystems.

  17. Comparative analysis of structural concrete Quality Assurance practices on nine nuclear and three fossil fuel power plant construction projects. Final summary report

    International Nuclear Information System (INIS)

    Willenbrock, J.H.; Thomas, H.R. Jr.; Burati, J.J. Jr.

    1978-12-01

    A summary of two reports, COO/4120-1 and COO/4120-2, is given. A comparative analysis was made of the Quality Assurance practices related to the structural concrete phase on nine nuclear and three fossil fuel power plant projects which are (or have been) under construction in the United States in the past ten years. For the nuclear projects the analysis identified the response of each Quality Assurance program to the applicable criteria of 10 CFR Part 50, Appendix B as well as to the pertinent regulatory requirements and industry standards. For the fossil projects the analysis identified the response of each Quality Assurance program to criteria similar to those which were applicable in the nuclear situation. The major emphasis was placed on the construction aspects of the structural concrete phase of each project. The engineering and design aspects were examined whenever they interfaced with the construction aspects

  18. Structure and petroleum plays of the St. Lawrence Platform and Appalachians in southern Quebec : insights from interpretation of MRNQ seismic reflection data

    Energy Technology Data Exchange (ETDEWEB)

    Castonguay, S.; Lavoie, D. [Natural Resources Canada, Quebec, PQ (Canada). Geological Survey of Canada, Quebec Division; Dietrich, J. [Natural Resources Canada, Calgary, AB (Canada). Geological Survey of Canada; Laliberte, J.Y. [Ministere des Ressources naturelles et de la Faune du Quebec, Charlesbourg, QC (Canada). Direction generale des hydrocarbures et des biocarburants

    2010-09-15

    This paper presented the results of a study in which 3 regional seismic reflection lines originally acquired in 1978 were reprocessed and reinterpreted using current techniques and methodologies. The profiles cross the Chambly-Fortierville syncline and provide images of the St. Lawrence Platform and the Appalachian foreland thrust belt of southern Quebec, including one that spans the entire width of the southern Quebec Appalachians. Post-stack seismic data processing and time migration were used to improve the quality of the original seismic sections, allowing interpretations that provide new information on subsurface geology, such as the recognition of complex structural patterns in platform and foreland units, the presence of a triangle zone at the structural front, and the geometry of thrust slices of platform units and Appalachian thrust beds, as well as images of the internal Humber Zone, including back-thrust faults and mega thrust wedges. The Saint-Flavien natural gas-field and other potential targets in the St. Lawrence Platform and Appalachian Foreland are imaged in the seismic profiles. The study provided new insights into the structure, geological evolution, and petroleum potential of the St. Lawrence Platform and the Appalachian foreland thrust belt of southern Quebec, including a potential, previously unrecognized Ordovician hydrothermal dolomite play. The new subsurface interpretations give a clearer view of the major structure affecting the Utica Shale, providing new insights into the limits of the unconventional shale gas play in the St. Lawrence Platform. 53 refs., 8 figs.

  19. Ontologies to Support RFID-Based Link between Virtual Models and Construction Components

    DEFF Research Database (Denmark)

    Sørensen, Kristian Birch; Christiansson, Per; Svidt, Kjeld

    2010-01-01

    the virtual models and the physical components in the construction process can improve the information handling and sharing in construction and building operation management. Such a link can be created by means of Radio Frequency Identification (RFID) technology. Ontologies play an important role...

  20. A multi-regional structural path analysis of the energy supply chain in China's construction industry

    International Nuclear Information System (INIS)

    Hong, Jingke; Shen, Qiping; Xue, Fan

    2016-01-01

    The construction industry in China exerts significant environmental impacts and uses considerable resources because of rapid urbanization. This study conducted a structural path analysis (SPA) based on the multi-regional input–output table to quantify environmental impact transmission in the entire supply chain. Results indicated that the direct resource input (the first stage) along with on-site construction (the zeroth stage) consumed the highest amount of energy in the supply chain and accounted for approximately 50% of total energy consumption. Regional analysis showed that energy consumption in the construction industry at the provincial level was self-sufficient. Sectoral analysis demonstrated that the direct inputs from the sectors of “manufacture of non-metallic mineral products” and “smelting and pressing of metals” generated the most important energy flows, whereas the sectors of “production and distribution of electric power and heat power” and “extraction of petroleum and natural gas” significantly but indirectly influenced energy use. Sensitivity analysis exhibited that the system boundary of SPA could be narrowed down into the first two upstream stages that contained nearly 50% of energy flow information or expanded toward the first five upstream stages that represented 80% of total energy consumption. - Highlights: •We designed an optimized algorithm for multi-regional SPA. •We extracted energy-intensive paths throughout the upstream supply chain. •We explored self-sufficiency characteristic for provincial construction industries. •We identified energy-intensive sectors hidden in higher-order supply chain. •We developed an effective strategy for narrowing down the system boundary of SPA.

  1. Word Play: Scaffolding Language Development through Child-Directed Play

    Science.gov (United States)

    Wasik, Barbara A.; Jacobi-Vessels, Jill L.

    2017-01-01

    Play is an important activity in young children's lives. It is how children explore their world and build knowledge. Although free play, which is play that is totally child directed, contributes to children's learning, self-regulation and motivation, adults' participation in children's play is critical in their development, especially their…

  2. Base Isolation for Seismic Retrofitting of a Multiple Building Structure: Design, Construction, and Assessment

    Directory of Open Access Journals (Sweden)

    Massimiliano Ferraioli

    2017-01-01

    Full Text Available The paper deals with the seismic retrofit of a multiple building structure belonging to the Hospital Centre of Avellino (Italy. At first, the paper presents the preliminary investigations, the in situ measurements and laboratory tests, and the seismic assessment of the existing fixed-base structures. Having studied different strategies, base isolation proved to be the more appropriate, also for the possibility offered by the geometry of the building to easily create an isolation interface at the ground level. The paper presents the design project, the construction process, and the details of the isolation intervention. Some specific issues of base isolation for seismic retrofitting of multiple building structures were lightened. Finally, the seismic assessment of the base-isolated building was carried out. The seismic response was evaluated through nonlinear time-history analysis, using the well-known Bouc-Wen model as the constitutive law of the isolation bearings. For reliable dynamic analyses, a suite of natural accelerograms compatible with acceleration spectra of Italian Code was first selected and then applied along both horizontal directions. The results were finally used to address some of the critical issues of the seismic response of the base-isolated multiple building structure: accidental torsional effects and potential poundings during strong earthquakes.

  3. Development of the Assistance to Participate Scale (APS) for children's play and leisure activities.

    Science.gov (United States)

    Bourke-Taylor, H; Law, M; Howie, L; Pallant, J F

    2009-09-01

    This paper describes the development and psychometric evaluation of the Assistance to Participate Scale (APS). The APS measures the assistance that a school-aged child with a disability requires to participate in play and leisure activities from the primary carer's perspective. Mixed methodology using an instrument design model was used to complete two studies. First, a qualitative research design was used to generate items and scoring criteria for the APS. Second, a quantitative study evaluated the instrument using data collected from 152 mothers with children aged 5-18 years. Statistical analysis assessed the underlying structure, internal consistency and construct validity of the APS. Exploratory factor analysis revealed two correlated components, reflecting home-based and community-based play activities. Both subscales and the total APS scale showed good internal consistency. The APS correlated as predicted with individual domains and overall scores for other validated measures (Pediatric Evaluation of Disability Inventory caregiver scales and Pediatric Quality of Life Inventory) with correlations ranging from rho = 0.42 to rho = 0.77. The APS was able to discriminate between groups of children based on type of schooling (regular or segregated), need for equipment/assistive devices, frequency of lifting and disability. The APS provides professionals with a brief psychometrically sound tool that measures the amount of caregiver assistance provided to a child with a disability to participate in play and recreation. The APS may be used as an outcome measure and to evaluate and predict the amount and type of additional assistance families need to facilitate their child's participation in an important aspect of the child's daily life and development: play and recreation.

  4. Playful Literacy

    DEFF Research Database (Denmark)

    Froes, Isabel

    these practices, which compose the taxonomy of tablet play. My contribution lies in identifying and proposing a series of theoretical concepts that complement recent theories related to play and digital literacy studies. The data collected through observations informed some noteworthy aspects, including how...... with tablets’ physical and digital affordances shape children’s digital play. This thesis presents how young children’s current practices when playing with tablets inform digital experiences in Denmark and Japan. Through an interdisciplinary lens and a grounded theory approach, I have identified and mapped...... vocabulary in children’s digital play experiences. These early digital experiences set the rules for the playgrounds and assert digital tablets as twenty-first-century toys, shaping young children’s playful literacy....

  5. Modeling protein structures: construction and their applications.

    Science.gov (United States)

    Ring, C S; Cohen, F E

    1993-06-01

    Although no general solution to the protein folding problem exists, the three-dimensional structures of proteins are being successfully predicted when experimentally derived constraints are used in conjunction with heuristic methods. In the case of interleukin-4, mutagenesis data and CD spectroscopy were instrumental in the accurate assignment of secondary structure. In addition, the tertiary structure was highly constrained by six cysteines separated by many residues that formed three disulfide bridges. Although the correct structure was a member of a short list of plausible structures, the "best" structure was the topological enantiomer of the experimentally determined conformation. For many proteases, other experimentally derived structures can be used as templates to identify the secondary structure elements. In a procedure called modeling by homology, the structure of a known protein is used as a scaffold to predict the structure of another related protein. This method has been used to model a serine and a cysteine protease that are important in the schistosome and malarial life cycles, respectively. The model structures were then used to identify putative small molecule enzyme inhibitors computationally. Experiments confirm that some of these nonpeptidic compounds are active at concentrations of less than 10 microM.

  6. Play Therapy

    Science.gov (United States)

    Lawver, Timothy; Blankenship, Kelly

    2008-01-01

    Play therapy is a treatment modality in which the therapist engages in play with the child. Its use has been documented in a variety of settings and with a variety of diagnoses. Treating within the context of play brings the therapist and the therapy to the level of the child. By way of an introduction to this approach, a case is presented of a six-year-old boy with oppositional defiant disorder. The presentation focuses on the events and interactions of a typical session with an established patient. The primary issues of the session are aggression, self worth, and self efficacy. These themes manifest themselves through the content of the child’s play and narration of his actions. The therapist then reflects these back to the child while gently encouraging the child toward more positive play. Though the example is one of nondirective play therapy, a wide range of variation exists under the heading of play therapy. PMID:19724720

  7. Building constructions: architecture and nature

    Directory of Open Access Journals (Sweden)

    Mayatskaya Irina

    2017-01-01

    Full Text Available The problem of optimization of building structures is considered in architectural bionic modeling on the bionic principle basis. It is possible to get a reliable and durable constructions by studying the structure and the laws of organization of natural objects. Modern architects have created unique buildings using the bionic approach. There are such properties as symmetry, asymmetry, self-similarity and fractality used in the modern architecture. Using the methods of fractal geometry in the design of architectural forms allows finding a variety of constructive solutions.

  8. Managing risks during the construction of a power generation facility

    International Nuclear Information System (INIS)

    Loulakis, M.C.

    1992-01-01

    The construction of a power generation facility is a substantial undertaking that involves considerable risks to all parties involved. While contractors are accustomed to dealing with risks, construction owners are typically more naive about not only the risks they are assuming in the construction of a project, but also about the role they play on the project itself. Owners and developers of power facilities must understand at the outset that their role during the construction of a project is as integral to the success of the project as that of the designer and contractor. In addition, owners should also understand that there are virtually no risks on a construction project that cannot be shifted among the contracting parties as part of the business deal. Consequently, an owner may contractually be assuming the risks of (1) unusually severe weather, (2) unexpected subsurface conditions, (3) strikes at the turbine supplier's plant or (4) changes in law - as well as the increases in price and delays to project completion associated with such risks. In light of this, a prudent owner will evaluate more than just whether there is sufficient financing to complete the construction of a contemplated project. Prudent owners will conduct a risk management review of the project structure and the contracting terms, with the primary focus being (1) the identification and analysis of the most significant risks faced, (2) a determination of how such risks can be either mitigated or eliminated, and (3) the assessment of the financial exposure to the owner should the potential risk become a reality. This paper will present the framework that owners and developers of power generation projects can use in undertaking such a risk management review

  9. UCIMS: Advances in geotechnical construction and performance monitoring

    Directory of Open Access Journals (Sweden)

    Raphael Siebenmann

    2015-04-01

    Full Text Available The Crossrail project currently under construction in Central London has been described as “The Big Dig on Steroids”, obviously referencing the Central Artery/Tunnel project in Boston completed in 2007. To address the multiple demands for timely construction performance monitoring, Crossrail envisioned the underground construction information management system (UCIMS to monitor construction progress and structural health along the entire route, with a network of geotechnical instruments (i.e. slope inclinometers, extensometers, piezometers, etc. and tunnel boring machine (TBM position information. The UCIMS is a geospatially referenced relational database that was developed using an open source geographic information system (GIS that allowed all stakeholders near immediate feedback of construction performance. The purpose of this article is to provide a brief history of geotechnical and structural monitoring software, to describe the structure and operation of the UCIMS, and to demonstrate how the functionality afforded by this system provided the requisite feedback to the stakeholders. Examples will be given regarding how the data management and visualization concepts incorporated into the UCIMS advanced the geotechnical construction industry.

  10. Industrial robots application in the construction of buildings and structures

    Directory of Open Access Journals (Sweden)

    Verzhbovskiy Gennady

    2017-01-01

    Full Text Available Proposals on the use of modernized industrial robots in the construction of low-rise buildings are formulated. The necessary parameters of such a mechanism are established. The time necessary for building the walls of a two-story house is determined. Features of the robots use on the construction site are described.

  11. Safety in construction industry - overview

    International Nuclear Information System (INIS)

    Chockalingam, S.; Nehru, R.M.; Ramprasad, K.; Sonawane, A.U.

    2016-01-01

    The construction industry plays an important role in the social and economic development in a country. Safety in the construction industry is considered a major issue in developed and developing countries. In urban sector of India increasing numbers of workers have taken up construction work as a means of immediate employment, which provides cash earnings at the end of the day. Being as unorganized sector, the fatal injuries in DAE unit for the construction industry (Nuclear Power Project including BHAVINI: 62.7% from 1999 to 2014) is higher than the category for all other units (UCIL:13.3%; ECIL:6.7%; NFC and ZC: 4%; HWP: 2.7%; IREL:2.7%; Nuclear Power Plant: 2.7% etc., from 1999 to 2014). A variety hazards exist in the construction site. The best way to protect workers against workers against hazards is to control problems at the source. The problem regarding construction industry is not that the hazards and risks are unknown, but it very difficult to accurately identify in a constantly changing work environment. To prevent hazards at work, all possible hazards that may be encountered should be identified in advance through Job Hazard Analysis (JHA). The present scenario has deduced a fact that efficient Safety Management Techniques (SMT) are (essential for today's construction companies and adaptation of legal requirements including regulatory requirements and proactive safety management techniques will help organizations in providing a better workplace to its employees and reduce the accidents. (author)

  12. Mutual construction and reconstruction in client-consultant interaction

    DEFF Research Database (Denmark)

    Smith, Irene Skovgaard

    Based on preliminary interviews with client representatives and a pilot case study, the pa-per explores collaboration and mutual construction in client-consultant relationships. Both consultants and client actors take part in an active construction and reconstruction of knowledge that involve...... struggles over position, power and control. In the context of client-consultant interaction, it is thus not only ideas and solutions that are contested but also the power to define. Attention is paid to how ideas are brought into play and negotiated in the interaction between actors. The empirical material...... presented in the paper illustrates how consultancy projects evolve through processes of negotiation over whose interpretation should count and who should be in control. In the process, client actors with different posi-tions and interests play an active role in creating what become valid and what ideas...

  13. CONSTRUCTIVE EDUCATIONAL ENVIRONMENT SCHOOL-UNIVERSITY

    Directory of Open Access Journals (Sweden)

    Natalya Petrovna Shatalova

    2016-02-01

    Full Text Available The article presents the results of the study the key components of the development of constructive thinking of students on the basis of model building constructive educational environment school-University. It was conducted from a position of constructive approach in education, as a process of systemic-structural methodology of cognitive and creative activity of the student, promotes development and formation of various constructive qualities of the individual. The functions of constructive educational environment school-University aimed at developing constructive thinking of students, defined by its structural components and connections, shows the consistency of self-development of constructive thinking and job satisfaction the development of constructive skills. The findings reveal innovative possibilities of cooperation of schools and universities in the design and functioning model of constructive educatio-nal space that contributes to the development of constructive thinking of all its stakeholders.Purpose: measuring the effectiveness of the model constructive educational environment school-University aimed at the development of students.Methodology: the Programme of research included: (1 diagnosis of the development level of constructive thinking on the questionnaire developed in the context of the constructive theory of education, (2 augmented and revised by the author the diagnosis of satisfaction and importance model of constructive educational environment school-University by the method of G.A. Gagarin, as well as theoretical modeling, method of involved observation, formal teaching method.Results. The article introduces the concept of «constructive learning environments», which are considered in relation to the organization and conduct of joint activities of teachers, teachers and students. The authors give a theoretical comparative analysis of scientific works of colleagues in the context of the problem. Offer a brief

  14. Scientific Support of Construction of Unique Buildings and Structures and Facilities of Increased Danger

    Science.gov (United States)

    Alekhin, V. N.; Antipin, A. A.; Gorodilov, S. N.

    2017-11-01

    A range of works on scientific support for the construction of unique buildings and the structures and facilities of increased danger, such as airport facilities, long-span and high-rise buildings is being implemented at the department “Computer Aided Design in Civil Engineering” of Ural Federal University. The scope of work includes: numerical simulation of wind and snow loads, analysis of progressive collapse and seismic impacts, verification of design solutions. The results of wind, snow loads and progressive collapse of airport buildings in the cities of Orenburg, Rostov-on-Don and Perm are considered in the article.

  15. Constructing stage-structured matrix population models from life tables: comparison of methods

    Directory of Open Access Journals (Sweden)

    Masami Fujiwara

    2017-10-01

    for discounting the rate, was the best approach. However, stage-structured models performed poorly in estimating generation time, regardless of the methods used for constructing the models. Based on the results, we recommend using an age-structured matrix population model or the Euler-Lotka equation for calculating λ and generation time when life table data are available. Then, these age-structured vital rates can be converted into a stage-structured model for further analyses.

  16. The factor structure and construct validity of the inventory of callous-unemotional traits in Chinese undergraduate students.

    Science.gov (United States)

    Wang, Meng-Cheng; Gao, Yu; Deng, Jiaxin; Lai, Hongyu; Deng, Qiaowen; Armour, Cherie

    2017-01-01

    The current study assesses the factor structure and construct validity of the self-reported Inventory of Callous-Unemotional Traits (ICU) in 637 Chinese community adults (mean age = 25.98, SD = 5.79). A series of theoretical models proposed in previous studies were tested through confirmatory factor analyses. Results indicated that a shortened form that consists of 11 items (ICU-11) to assess callousness and uncaring factors has excellent overall fit. Additionally, correlations with a wide range of external variables demonstrated that this shortened form has similar construct validity compared to the original ICU. In conclusion, our findings suggest that the ICU-11 may be a promising self-report tool that could be a good substitute for the original form to assess callous-uncaring traits in adults.

  17. SONGS AND MUSIC - AS EXPRESSIVE THERAPY IN SHAKESPEARE'S PLAY "THE WINTER'S TALE"

    OpenAIRE

    C. Alex Rajakumar Paul; Dr. K. Premkumar

    2017-01-01

    The Winter’s Tale is a great tragic comedy. It is a comedy hovering on the brinks of tragedy. It includes conflicts within friends, family and generations. It is a romantic play with unique dramatic structure. It is expressed in a brilliant two part structure. While commenting in the structure of the play, the Director Martin Maraden points out: To create the two different worlds of Sicilia and Bohemia and yet to have them seem necessary to each other is one of the challenges of The Winte...

  18. Validation of the Dyadic Coping Inventory with Chinese couples: Factorial structure, measurement invariance, and construct validity.

    Science.gov (United States)

    Xu, Feng; Hilpert, Peter; Randall, Ashley K; Li, Qiuping; Bodenmann, Guy

    2016-08-01

    The Dyadic Coping Inventory (DCI, Bodenmann, 2008) assesses how couples support each other when facing individual (e.g., workload) and common (e.g., parenting) stressors. Specifically, the DCI measures partners' perceptions of their own (Self) and their partners' behaviors (Partner) when facing individual stressors, and partners' common coping behaviors when facing common stressors (Common). To date, the DCI has been validated in 6 different languages from individualistic Western cultures; however, because culture can affect interpersonal interactions, it is unknown whether the DCI is a reliable measure of coping behaviors for couples living in collectivistic Eastern cultures. Based on data from 474 Chinese couples (N = 948 individuals), the current study examined the Chinese version of the DCI's factorial structure, measurement invariance (MI), and construct validity of test scores. Using 3 cultural groups (China, Switzerland, and the United States [U.S.]), confirmatory factor analysis revealed a 5-factor structure regarding Self and Partner and a 2-factor structure regarding Common dyadic coping (DC). Results from analyses of MI indicated that the DCI subscales met the criteria for configural, metric, and full/partial scalar invariance across cultures (Chinese-Swiss and Chinese-U.S.) and genders (Chinese men and women). Results further revealed good construct validity of the DCI test scores. In all, the Chinese version of the DCI can be used for measuring Chinese couples' coping behaviors, and is available for cross-cultural studies examining DC behaviors between Western and Eastern cultures. (PsycINFO Database Record (c) 2016 APA, all rights reserved).

  19. Abstract numeric relations and the visual structure of algebra.

    Science.gov (United States)

    Landy, David; Brookes, David; Smout, Ryan

    2014-09-01

    Formal algebras are among the most powerful and general mechanisms for expressing quantitative relational statements; yet, even university engineering students, who are relatively proficient with algebraic manipulation, struggle with and often fail to correctly deploy basic aspects of algebraic notation (Clement, 1982). In the cognitive tradition, it has often been assumed that skilled users of these formalisms treat situations in terms of semantic properties encoded in an abstract syntax that governs the use of notation without particular regard to the details of the physical structure of the equation itself (Anderson, 2005; Hegarty, Mayer, & Monk, 1995). We explore how the notational structure of verbal descriptions or algebraic equations (e.g., the spatial proximity of certain words or the visual alignment of numbers and symbols in an equation) plays a role in the process of interpreting or constructing symbolic equations. We propose in particular that construction processes involve an alignment of notational structures across representation systems, biasing reasoners toward the selection of formal notations that maintain the visuospatial structure of source representations. For example, in the statement "There are 5 elephants for every 3 rhinoceroses," the spatial proximity of 5 and elephants and 3 and rhinoceroses will bias reasoners to write the incorrect expression 5E = 3R, because that expression maintains the spatial relationships encoded in the source representation. In 3 experiments, participants constructed equations with given structure, based on story problems with a variety of phrasings. We demonstrate how the notational alignment approach accounts naturally for a variety of previously reported phenomena in equation construction and successfully predicts error patterns that are not accounted for by prior explanations, such as the left to right transcription heuristic.

  20. Molecular cloning and construction of the coding region for human acetylcholinesterase reveals a G + C-rich attenuating structure

    International Nuclear Information System (INIS)

    Soreq, H.; Ben-Aziz, R.; Prody, C.A.; Seidman, S.; Gnatt, A.; Neville, L.; Lieman-Hurwitz, J.; Lev-Lehman, E.; Ginzberg, D.; Lapidot-Lifson, Y.; Zakut, H.

    1990-01-01

    To study the primary structure of human acetylcholinesterase and its gene expression and amplification, cDNA libraries from human tissues expressing oocyte-translatable AcChoEase mRNA were constructed and screened with labeled oligodeoxynucleotide probes. Several cDNA clones were isolated that encoded a polypeptide with ≥50% identically aligned amino acids to Torpedo AcChoEase and human butyrylcholinesterase. However, these cDNA clones were all truncated within a 300-nucleotide-long G + C-rich region with a predicted pattern of secondary structure having a high Gibbs free energy downstream from the expected 5' end of the coding region. Screening of a genomic DNA library revealed the missing 5' domain. When ligated to the cDNA and constructed into a transcription vector, this sequence encoded a synthetic mRNA translated in microinjected oocytes into catalytically active AcChoEase with marked preference for acetylthiocholine over butyrylthiocholine as a substrate, susceptibility to inhibition by the AcChoEase inhibitor BW284C51, and resistance to the AcChoEase inhibitor tetraisopropylpyrophosphoramide. Blot hybridization of genomic DNA from different individuals carrying amplified AcChoEase genes revealed variable intensities and restriction patterns with probes from the regions upstream and downstream from the predicted G + C-rich structure. Thus, the human AcChoEase gene includes a putative G + C-rich attenuator domain and is subject to structural alterations in cases of AcChoEase gene amplification

  1. BANFISA and (IN) DICA-SUS in health undergraduate education: playing and learning construction.

    Science.gov (United States)

    Silva, Laianna Victoria Santiago; Tanaka, Patrícia Sayuri de Lima; Pires, Maria Raquel Gomes Maia

    2015-01-01

    To analyze the learning built during the matches of the games by students of the subject Gestão de Políticas Públicas em Saúde at the Universidade de Brasília. Exploratory, descriptive research, in a qualitative approach, with 26 students from various graduation courses in health, using a questionnaire and participant observation. Participants reinvented rules, related issues addressed in the games to the reality, interacted with colleagues and had fun throughout the match. Comparing the games in relation to ludicity, the BANFISA was more attractive than the (IN) DICA-SUS, although they are complementary. Learning constructed by the students goes beyond the content of the subject; involve the active participation in group and creativity.

  2. Construction of Nanowire Heterojunctions: Photonic Function-Oriented Nanoarchitectonics.

    Science.gov (United States)

    Li, Yong Jun; Yan, Yongli; Zhao, Yong Sheng; Yao, Jiannian

    2016-02-10

    Nanophotonics has received broad research interest because it may provide an alternative opportunity to overcome the fundamental limitations of electronic circuits. So far, diverse photonic functions, such as light generation, modulation, and detection, have been realized based on various nano-materials. The exact structural features of these material systems, including geometric characteristics, surface morphology, and material composition, play a key role in determining the photonic functions. Therefore, rational designs and constructions of materials on both morphological and componential levels, namely nanoarchitectonics, are indispensable for any photonic device with specific functionalities. Recently, a series of nanowire heterojunctions (NWHJs), which are usually made from two or more kinds of material compositions, were constructed for novel photonic applications based on various interactions between different materials at the junctions, for instance, energy transfer, exciton-plasmon coupling, or photon-plasmon coupling. A summary of these works is necessary to get a more comprehensive understanding of the relationship between photonic functions and architectonics of NWHJs, which will be instructive for designing novel photonic devices towards integrated circuits. Here, photonic function oriented nanoarchitectonics based on recent breakthroughs in nanophotonic devices are discussed, with emphasis on the design mechanisms, fabrication strategies, and excellent performances. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

  3. Determination of brace forces caused by construction loads and wind loads during bridge construction : [summary].

    Science.gov (United States)

    2014-04-01

    Bridges are constructed in stages as pilings, : columns, girders, decks, and other components : are added. At each stage, the structure must be : stable. Girders, which add significant weight to : the developing structure, rest on elastomeric : beari...

  4. Design for Play

    DEFF Research Database (Denmark)

    Feder, Karen

    2017-01-01

    Abstract The purpose of the new Design for Play initiative is to inspire and educate designers to design for the future of play. To create “play ambassadors” equipped with excellent tools, methods, approaches and mind-sets to design for the playful human being in an ever-changing world. To teach...... and inspire children to grow up to be creative designers of their own life and the world around them. The Design for Play research team will study the interplay between people, processes and products in design for play and support the development of playful designers, playful solutions and playful experiences...

  5. [Discipline construction is the theme of the development of burn surgery].

    Science.gov (United States)

    Jia, C Y

    2018-03-20

    Discipline construction is the core element of department development, including discipline structure setting, scale, equipment, medical workers structure, clinical feature and advantage, talent training, teaching level, scientific research level, management system, and cultural construction of department. As leader and engine of discipline construction, directors' ability is an important factor for discipline construction. Clinical characteristic is the basis of discipline construction; innovation actuation is the essence of discipline construction; talents training is the guarantee of discipline construction; scientific research is the wing of discipline construction; cultural construction is the hot spring of discipline construction. Discipline construction is the theme of the development of burn surgery.

  6. Planning for outdoor play: Government and family decision-making.

    Science.gov (United States)

    Sterman, Julia J; Naughton, Geraldine A; Bundy, Anita C; Froude, Elspeth; Villeneuve, Michelle A

    2018-03-08

    Despite indisputable developmental benefits of outdoor play, children with disabilities can experience play inequity. Play decisions are multifactorial; influenced by children's skills and their familial and community environments. Government agencies have responsibilities for equity and inclusion of people with disabilities; including in play. This multiple-perspective case study aimed to understand outdoor play decision-making for children with disabilities from the perspectives and interactions of: local government and families of primary school-aged children with disabilities. Five mothers, four local government employees, and two not-for-profit organization representatives participated in semi-structured interviews. Inductive and iterative analyzes involved first understanding perspectives of individuals, then stakeholders (local government and families), and finally similarities and differences through cross-case analysis. Local government focused more on physical access, than social inclusion. Local government met only minimal requirements and had little engagement with families. This resulted in poor understanding and action around family needs and preferences when designing public outdoor play spaces. To increase meaningful choice and participation in outdoor play, government understanding of family values and agency around engagement with local government needs to improve. Supporting familial collective capabilities requires understanding interactions between individuals, play, disability, and outdoor play environments.

  7. ISO in the Construction and Manufacturing Companies: A Case Study from the Construction Industry of Hyderabad and Karachi, Pakistan

    Directory of Open Access Journals (Sweden)

    Nafees Ahmed Memon

    2011-04-01

    Full Text Available Construction industry plays very important role in development of any country. The development of construction industry depends to a larger extent on quality of construction productions and projects. Quality of construction productions and projects is linked with the implementation of QMS (Quality Management System in construction organizations. ISO certification is one of the QMS which has been adopted in manufacturing and construction industry at the global level. The construction companies of developing countries have reaped many advantages from the effective implementation of ISO standards. The rate of adoption of ISO standards has remained slow in the construction sector of some developing countries like Pakistan. This paper presents the literature review of ISO in global construction industry. It highlights the advantages, disadvantages and barriers faced by construction companies in the implementation of ISO standards. This study also investigates the level of adoption of ISO standards in construction and manufacturing companies of Pakistan through a questionnaire survey. It presents the comparison of ISO standards\\\\\\' adoption in both construction and manufacturing sectors. The paper puts forward some suggestions and recommendation for the better adoption and improvement of ISO implementation in the construction sector of Pakistan. This study emphasizes that construction companies of Pakistan should learn from the benefits reaped by the construction companies of developed countries and take appropriate measures for implementing ISO standards. It also suggests that public sector clients should make it obligatory for the contractors and consultants to have ISO certification before awarding the works in order to enhance the the adoption of ISO standards in construction sector.

  8. FairyPlay

    DEFF Research Database (Denmark)

    Toft, Herdis

    2018-01-01

    in a play culture where children recycle them in transmitted, transformed and transgressive modes. His fairy tales function as raw materials – trash – for play-production, and these contemporary children muddle, mingle, remix their formulas and elements with other materials and adjust them to a play context......Hans Christian Andersen is a cultural icon in the Danish community, and his fairy tales are canonized as treasured Danish cultural heritage. However, situated as they are today in a crosscultural mix between folklore, booklore and medialore, they also may be analysed as useful, treasured trash...... through improvisations. So they perform what we shall name FairyPlay - just like Hans Christian Andersen himself did. We show Hans Christian Andersen as an intimate connoisseur of play culture, a homo ludens, a trash-sculptor and a thing-finder, like Pippi Longstocking and like children in play. Examples...

  9. Study on modular construction management in AP1000 nuclear plant project

    International Nuclear Information System (INIS)

    Fang Xiaopeng; Shen Wenrong; Sun Kebin; Wei Zhong

    2010-01-01

    The construction of AP1000 Nuclear Power Plant (NPP) has commenced in China. The AP1000 NPP features a passive design concept and modular construction technology. Based on the management of the construction of current AP1000 NNP, this paper describes the effects on Nuclear Island (NI) construction project management resulting from modular construction technology, as well as new construction techniques and methods. This paper puts forward new requirements for construction schedule management of the nuclear island construction at different levels. The AP1000 NI construction logic features the parallel construction of civil and structural erection as the main approach, with the integrated schedule of module fabrication, assembly and installation as support. The structural modules of AP1000 project are prefabricated in shop, delivered to site as sub-modules and assembled to integrated structural module. The assembled module is transported to the construction site, hoisted and finally set in NI. This paper illustrates how to ensure the construction quality of structural modules by analyzing the interface process and key links in the quality control program, and introduces how to ensure the safety of heavy structural components during various construction phases by evaluating and analyzing the construction safety process. This paper also makes an analysis of the safe environment for the assembly and installation of Containment Vessel, the management of product protection and personnel safety inside the Containment Building during 'Open Top' construction, raises to implement effective protection for the numerous pre-set mechanical modules and equipments, as well as personnel safety protection programs and measures. The modular construction feature of AP1000 NPP design requires technique improvement and management innovation during the NI construction. This paper makes a study and research on the control management of schedule, quality and safety of AP1000 NPP NI

  10. Studies on Labour Safety in Construction Sites

    Directory of Open Access Journals (Sweden)

    S. Kanchana

    2015-01-01

    Full Text Available Construction industry has accomplished extensive growth worldwide particularly in past few decades. For a construction project to be successful, safety of the structures as well as that of the personnel is of utmost importance. The safety issues are to be considered right from the design stage till the completion and handing over of the structure. Construction industry employs skilled and unskilled labourers subject to construction site accidents and health risks. A proper coordination between contractors, clients, and workforce is needed for safe work conditions which are very much lacking in Indian construction companies. Though labour safety laws are available, the numerous accidents taking place at construction sites are continuing. Management commitment towards health and safety of the workers is also lagging. A detailed literature study was carried out to understand the causes of accidents, preventive measures, and development of safe work environment. This paper presents the results of a questionnaire survey, which was distributed among various categories of construction workers in Kerala region. The paper examines and discusses in detail the total working hours, work shifts, nativity of the workers, number of accidents, and type of injuries taking place in small and large construction sites.

  11. Studies on Labour Safety in Construction Sites

    Science.gov (United States)

    Kanchana, S.; Sivaprakash, P.; Joseph, Sebastian

    2015-01-01

    Construction industry has accomplished extensive growth worldwide particularly in past few decades. For a construction project to be successful, safety of the structures as well as that of the personnel is of utmost importance. The safety issues are to be considered right from the design stage till the completion and handing over of the structure. Construction industry employs skilled and unskilled labourers subject to construction site accidents and health risks. A proper coordination between contractors, clients, and workforce is needed for safe work conditions which are very much lacking in Indian construction companies. Though labour safety laws are available, the numerous accidents taking place at construction sites are continuing. Management commitment towards health and safety of the workers is also lagging. A detailed literature study was carried out to understand the causes of accidents, preventive measures, and development of safe work environment. This paper presents the results of a questionnaire survey, which was distributed among various categories of construction workers in Kerala region. The paper examines and discusses in detail the total working hours, work shifts, nativity of the workers, number of accidents, and type of injuries taking place in small and large construction sites. PMID:26839916

  12. Theoretical construction in physics - The role of Leibniz for Weyl's 'Philosophie der Mathematik und Naturwissenschaft'

    Science.gov (United States)

    Sieroka, Norman

    2018-02-01

    This paper aims at closing a gap in recent Weyl research by investigating the role played by Leibniz for the development and consolidation of Weyl's notion of theoretical (symbolic) construction. For Weyl, just as for Leibniz, mathematics was not simply an accompanying tool when doing physics-for him it meant the ability to engage in well-guided speculations about a general framework of reality and experience. The paper first introduces some of the background of Weyl's notion of theoretical construction and then discusses particular Leibnizian inheritances in Weyl's 'Philosophie der Mathematik und Naturwissenschaft', such as the general appreciation of the principles of sufficient reason and of continuity. Afterwards the paper focuses on three themes: first, Leibniz's primary quality phenomenalism, which according to Weyl marked the decisive step in realizing that physical qualities are never apprehended directly; second, the conceptual relation between continuity and freedom; and third, Leibniz's notion of 'expression', which allows for a certain type of (surrogative) reasoning by structural analogy and which gave rise to Weyl's optimism regarding the scope of theoretical construction.

  13. Structural and functional characteristics of natural and constructed channels draining a reclaimed mountaintop removal and valley fill coal mine

    Science.gov (United States)

    Mountaintop removal and valley fill (MTR/VF) coal mining has altered the landscape of the Central Appalachian region in the United States. The goals of this study were to 1) compare the structure and function of natural and constructed stream channels in forested and MTR/VF catch...

  14. Pete's Tool: Identity and Sex-Play in the Design and Technology Classroom.

    Science.gov (United States)

    Dixon, Carolyn

    1997-01-01

    Explores the "interactional work" of one boy in a technology lesson as he elaborates, through "play" with workshop tools, a sexual fantasy of masturbation and penetration. This action is contextualized by his relations with others and by the dominance of a prevailing myth of male sexuality in his construction of a masculine…

  15. International Construction Measurement Standard

    OpenAIRE

    Mitchell, Charles

    2016-01-01

    The International Construction Measurement Standard Coalition (the Coalition) was formed on 17 June 2015 after meeting at the International Monetary Fund in Washington DC, USA. The Coalition, comprising the organisations listed below at the date of publication, aims to bring about consistency in construction cost reporting standards internationally. This is achieved by the creation and adoption of this ICMS, an agreed international standard for the structuring and presentation of cost reports...

  16. Aetiology of phenomenon of fair play in sport through psychoanalytic discourse

    Directory of Open Access Journals (Sweden)

    Roman Vodeb

    2003-12-01

    Full Text Available When discussing fair play, sports experts nowadays mostly talk about how to "be a sport" on a sport field. It means telling and preaching to athletes to obey all the written rules of sport's ethic and those not written as well. Here we want to explore the other meaning of the term "fair play". We want to really learn about it, because fair play certainly is a psychological category. Psychoanalytic logic teaches us that roots of fair play should be sought in the infantile period of child's development. It seems, that the events caused by the Oedipus complex and the building Superego have the most sufficient impact on someone's sports behavior. Theoretically speaking, fair play cannot be considered as something gained from culture - it is mainly a construct, a symptom of returning infantile repressions in the context of father as a sexual concurrent. "Turning to the opposite side" (reaction-formation is an ego-defense mechanism that in the etiology of fair play ought to be pointed out in particularly. As we are talking about men in sports, let us tell, it is the boy's relation towards his father at the time when he's arrogating the boy's mother to himself, the most crucial for feeling and performing fair play. Fantasies and repressions, which happened in the psychical reality of a child, have the main impact on fair play in sports as well as in other situations.

  17. Waste-efficient materials procurement for construction projects: A structural equation modelling of critical success factors.

    Science.gov (United States)

    Ajayi, Saheed O; Oyedele, Lukumon O

    2018-05-01

    Albeit the understanding that construction waste is caused by activities ranging from all stages of project delivery process, research efforts have been concentrated on design and construction stages, while the possibility of reducing waste through materials procurement process is widely neglected. This study aims at exploring and confirming strategies for achieving waste-efficient materials procurement in construction activities. The study employs sequential exploratory mixed method approach as its methodological framework, using focus group discussion, statistical analysis and structural equation modelling. The study suggests that for materials procurement to enhance waste minimisation in construction projects, the procurement process would be characterised by four features. These include suppliers' commitment to low waste measures, low waste purchase management, effective materials delivery management and waste-efficient Bill of Quantity, all of which have significant impacts on waste minimisation. This implies that commitment of materials suppliers to such measures as take back scheme and flexibility in supplying small materials quantity, among others, are expected of materials procurement. While low waste purchase management stipulates the need for such measures as reduced packaging and consideration of pre-assembled/pre-cut materials, efficient delivery management entails effective delivery and storage system as well as adequate protection of materials during the delivery process, among others. Waste-efficient specification and bill of quantity, on the other hand, requires accurate materials take-off and ordering of materials based on accurately prepared design documents and bill of quantity. Findings of this study could assist in understanding a set of measures that should be taken during materials procurement process, thereby corroborating waste management practices at other stages of project delivery process. Copyright © 2018. Published by Elsevier Ltd.

  18. Play Therapy: Facilitative Use of Child's Play in Elementary School Counseling.

    Science.gov (United States)

    Landreth, Garry L.

    1987-01-01

    Reviews five major developments in play therapy: psychoanalysis, release therapy, relationship therapy, nondirective therapy, and play therapy in school settings. Suggests ways school counselors can use play therapy. Describes play therapy facilities, location selection, and play materials. Lists objectives of play therapy and how teachers can aid…

  19. Combined assessment of the environmental, economic and social impacts of structural solutions for residential construction

    Directory of Open Access Journals (Sweden)

    Fraile-García, E.

    2015-09-01

    Full Text Available Sustainable development in construction is based on three fundamental pillars: economic, environmental and social. This type of approach aims to identify the best possible solutions for sustainably developing structures by conducting a joint evaluation of the impact on those three pillars. The proposed methodology incorporates metadata on the Spanish construction sector. First, a discrete database is generated with 360 alternatives covering a range of common solutions in residential building. A Pareto algorithm is utilized to select the optimal choices and the wide range of solutions is reduced to the 5 % of the initial group. The project manager is therefore provided with an objective assessment of suitable structural alternatives including the overall joint economic, social, and environmental impact. The results obtained demonstrate the importance and utility of the proposed methodology for sustainable construction.El desarrollo sostenible aplicado a la construcción se basa en tres pilares fundamentales: económico, medioambiental y social. El objetivo principal es identificar las mejores soluciones en términos de desarrollo sostenible de alternativas estructurales a partir de la evaluación conjunta de los impactos en dichos pilares. La metodología propuesta incorpora metadatos con información del sector de la construcción en España. Primero se genera una base de datos discreta de 360 alternativas estructurales que cubren el rango de soluciones habituales en edificación residencial. La selección de alternativas óptimas se realiza mediante el algoritmo de Pareto. El abanico de soluciones se reduce al 5 % de las iniciales. Se aporta una valoración objetiva que orienta al proyectista en la selección de alternativas estructurales idóneas, visualizando de forma conjunta el impacto económico, social y ambiental. Los resultados obtenidos muestran la importancia y utilidad de la metodología propuesta en el campo de la construcci

  20. Construction of the CDF silicon vertex detector

    International Nuclear Information System (INIS)

    Skarha, J.; Barnett, B.; Boswell, C.; Snider, F.; Spies, A.; Tseng, J.; Vejcik, S.; Carter, H.; Flaugher, B.; Gonzales, B.; Hrycyk, M.; Nelson, C.; Segler, S.; Shaw, T.; Tkaczyk, S.; Turner, K.; Wesson, T.; Carithers, W.; Ely, R.; Haber, C.; Holland, S.; Kleinfelder, S.; Merrick, T.; Schneider, O.; Wester, W.; Wong, M.; Amidei, D.; Derwent, P.; Gold, M.; Matthews, J.; Bacchetta, N.; Bisello, D.; Busetto, G.; Castro, A.; Loreti, M.; Pescara, L.; Bedeschi, F.; Bolognesi, V.; Dell'Agnello, S.; Galeotti, S.; Mariotti, M.; Menzione, A.; Punzi, G.; Raffaelli, F.; Risotri, L.; Tartarelli, F.; Turini, N.; Wenzel, H.; Zetti, F.; Bailey, M.; Garfinkel, A.; Shaw, N.; Tipton, P.; Watts, G.

    1992-04-01

    Technical details and methods used in constructing the CDF silicon vertex detector are presented. This description includes a discussion of the foam-carbon fiber composite structure used to silicon microstrip detectors and the procedure for achievement of 5 μm detector alignment. The construction of the beryllium barrel structure, which houses the detector assemblies, is also described. In addition, the 10 μm placement accuracy of the detectors in the barrel structure is discussed and the detector cooling and mounting systems are described. 12 refs

  1. Beyond the magic circle : A network perspective on role-play in online games

    NARCIS (Netherlands)

    Copier, M.

    2007-01-01

    Currently, game research is characterized by the (re)construction of contested boundaries such as the “magic circle” of the game experience. These boundaries create dichotomies, for instance, between the real and the imaginary that hide the complexity of actual play, design and research. In this

  2. Safety-related concrete structure design and construction of Rokkasho Reprocessing Plant

    International Nuclear Information System (INIS)

    Morishita, Hideki; Munakata, Yoshinari; Togashi, Akihito

    2003-01-01

    The Rokkasho Reprocessing Plant of the Japan Nuclear Fuel Co. Ltd., is a facility to reprocess remained uranium without firing and newly formed plutonium contained in spent fuels used at the nuclear power stations, to produce fuels to be repeatedly used. Constructions in this facility has some characteristics shown as follows: 1) radiation shielding and seismic isolated functions like those at the nuclear power plants, 2) reduction of wall thickness based on partially using heavy concrete at walls required for radiation shielding, 3) protective design against fly-coming matters such as aircrafts, 4) construction period reduction based on winter construction and large scale block engineering. Here were described characteristics of designs on radiation shielding, seismic isolated and fly-coming matters protection construction engineering and quality control on concrete. (G.K.)

  3. Mediatized play

    DEFF Research Database (Denmark)

    Johansen, Stine Liv

    Children’s play must nowadays be understood as a mediatized field in society and culture. Media – understood in a very broad sense - holds severe explanatory power in describing and understanding the practice of play, since play happens both with, through and inspired by media of different sorts........ In this presentation the case of ‘playing soccer’ will be outlined through its different mediated manifestations, including soccer games and programs on TV, computer games, magazines, books, YouTube videos and soccer trading cards....

  4. Hydrocarbon removal with constructed wetlands

    OpenAIRE

    Eke, Paul Emeka

    2008-01-01

    Wetlands have long played a significant role as natural purification systems, and have been effectively used to treat domestic, agricultural and industrial wastewater. However, very little is known about the biochemical processes involved, and the use of constructed treatment wetlands in the removal of petroleum aromatic hydrocarbons from produced and/or processed water. Wastewaters from the oil industry contain aromatic hydrocarbons such as benzene, toluene, ethylbenzene and x...

  5. ITER Construction--Plant System Integration

    International Nuclear Information System (INIS)

    Tada, E.; Matsuda, S.

    2009-01-01

    This brief paper introduces how the ITER will be built in the international collaboration. The ITER Organization plays a central role in constructing ITER and leading it into operation. Since most of the ITER components are to be provided in-kind from the member countries, integral project management should be scoped in advance of real work. Those include design, procurement, system assembly, testing, licensing and commissioning of ITER.

  6. Features of construction of structures in long-term training acrobatics at the modern stage

    Directory of Open Access Journals (Sweden)

    N.V. Bachynska

    2015-02-01

    Full Text Available Purpose: the basic directions of the structure of long-term training in sports acrobatics are ground. The objectives of the study was to determine the leading requirements and criteria, the main stages of a multi-year training in acrobatics. Material : analysis of special scientific and methodical literature, revealing the specific features of the construction of long-term training in sports and gymnastics, acrobatic rock 'n' roll, a number of other sports. Results : general structure, goals, objectives and provisions of the basic stages of a multi-year training in sports acrobatics. Singled leading indicators and criteria for each of the main stages of long-term sports training in acrobatics. Recommended duration of training sessions and key requirements for the preparation of acrobats. Conclusions : outlines the main requirements and benchmarks that can guide the trainer in a training and competitive activity when working with acrobats all age groups and different sports qualification.

  7. PLAYING LEGO INCREASE COGNITIVE DEVELOPMENT ON PRESCHOOL CHILD (4-5 YEARS OLD

    Directory of Open Access Journals (Sweden)

    Sri Utami

    2017-07-01

    Full Text Available Introduction: The preschool cognitive development can be stimulated with playing activity. The preschool child who stimulateless, their creativity will be checked and it can effect their cognitive development. Playing lego is one of the stimulation which give chance to the preschool child to express creativity and explorate their skill in playing construction. This research was aimed to analyze the effect of playing lego to the preschool cognitive development. Method: Quasy experimental pre post test design was used in this research. Total sample were 18 preschool child (4-5 years old. The independent variable was playing lego and the dependent variable was the cognitive development. Data were analyzed by Wilcoxon Signed Rank Test and Mann Whitney U Test with the significance α<0.05. Result: Result showed that the control group has significance level p=0.059 and the treatment group has significance level p=0.008. The result of Mann Whitney U Test showed p=0.001. Discussion: It can be concluded that playing lego can effect the preschool cognitive development in spatial factor, reasoning, memory, and perceptual speed. It can be suggested to the further research to examine the effect of playing lego to the motoric development or social development.

  8. Structure and Function of Lipase

    DEFF Research Database (Denmark)

    Skjold-Jørgensen, Jakob

    .e. the waterlipidinterface. For Thermomyces lanuginosus lipase (TlL) and related lipases, activation of the enzymeinvolves a rearrangement of a structural domain, called the “lid”, which covers the active site inhomogenous aqueous solution. At the water-lipid interface, the lid is displaced from the active site andmoves...... the water-lipid interface, structural movements occurring during activation have been difficult to probeexperimentally. In this work, novel variants of TlL were constructed based on rational design with amutated lid-region in order to elucidate the impact of the lid-residue composition and characteristics...... onthe activation mechanism. From characterization studies of these variants we have shown (Paper I) thatthe lid-region plays a crucial role in governing interfacial activation and enzymatic activity. Specifically,using a combination of spectroscopic and enzymatic activity-based methods we have...

  9. The induction of dentin bridge-like structures by constructs of subcultured dental pulp-derived cells and porous HA/TCP in porcine teeth.

    Science.gov (United States)

    Ando, Yusuke; Honda, Masaki J; Ohshima, Hayato; Tonomura, Akiko; Ohara, Takayuki; Itaya, Toshimitsu; Kagami, Hideaki; Ueda, Minoru

    2009-02-01

    The purpose of this study was to investigate dentin-bridge formation in teeth following the transplantation of dental pulp-derived cells seeded on hydroxyapatite/tricalcium phosphate (HA/TCP) scaffolds. The dental pulp tissues were removed from the extracted first molar teeth of miniature pigs and single cell populations were subcultured. Second-passage cells that had alkaline phosphatase activity were combined with scaffolds. Cell-scaffold constructs were placed in contact with the exposed pulp tissue. The dimensions of the exposed pulp site were approximately 1-2.5 mm in diameter and 2-3 mm in depth from the tooth surface. After placing the constructs, the tooth was restored with composite resin. Six weeks after transplantation, hard tissue formation was observed on the pulp tissue in histology. Dentinal tubule-like structures were observed in most of the hard tissue generated, and columnar cells, which showed positive immunoreactions with dentin sialoprotein (DSP) and heat shock protein (HSP)-25, were aligned beneath the hard tissues. When only scaffolds were placed on the pulp tissues, particles of hard tissue were formed, however dentinal tubule-like structures and odontoblasts were not observed despite the formation of hard tissue. In conclusion, the implantation of dental pulp constructs into pulp exposed stimulates the formation of calcified dentin-like structures.

  10. FROM ME TO US: THE CONSTRUCTION OF FAMILY ALLIANCE.

    Science.gov (United States)

    Galdiolo, Sarah; Roskam, Isabelle

    2016-01-01

    This longitudinal prospective and multi-informant study based on a three-wave research program (pregnancy, 12 months' postpartum, and 16 months' postpartum) aimed to determine the process of construction of family alliance, as assessed by the Lausanne Trilogue Play (Fivaz-Depeursinge & Corboz-Warnery, 1999). A model using parents' individual characteristics (i.e., personality traits and attachment orientations) as distal variables, coparenting as a mediator, child's temperament as a moderator, and family alliance as outcome was tested using structural equation modeling on 62 nonreferred families. Results showed that both parents' conscientiousness was positively and mothers' avoidant attachment and fathers' anxious attachment were negatively and indirectly (via coparenting) associated with the family alliance. The discussion underlines mothers' and fathers' different roles and the importance of coparenting as a core mechanism in the development of family alliance. © 2015 Michigan Association for Infant Mental Health.

  11. Multiword Constructions in the Grammar.

    Science.gov (United States)

    Culicover, Peter W; Jackendoff, Ray; Audring, Jenny

    2017-07-01

    There is ample evidence that speakers' linguistic knowledge extends well beyond what can be described in terms of rules of compositional interpretation stated over combinations of single words. We explore a range of multiword constructions (MWCs) to get a handle both on the extent of the phenomenon and on the grammatical constraints that may govern it. We consider idioms of various sorts, collocations, compounds, light verbs, syntactic nuts, and assorted other constructions, as well as morphology. Our conclusion is that MWCs highlight the central role that grammar plays in licensing MWCs in the lexicon and the creation of novel MWCs, and they help to clarify how the lexicon articulates with the rest of the grammar. Copyright © 2017 Cognitive Science Society, Inc.

  12. The factor structure and construct validity of the inventory of callous-unemotional traits in Chinese undergraduate students.

    Directory of Open Access Journals (Sweden)

    Meng-Cheng Wang

    Full Text Available The current study assesses the factor structure and construct validity of the self-reported Inventory of Callous-Unemotional Traits (ICU in 637 Chinese community adults (mean age = 25.98, SD = 5.79. A series of theoretical models proposed in previous studies were tested through confirmatory factor analyses. Results indicated that a shortened form that consists of 11 items (ICU-11 to assess callousness and uncaring factors has excellent overall fit. Additionally, correlations with a wide range of external variables demonstrated that this shortened form has similar construct validity compared to the original ICU. In conclusion, our findings suggest that the ICU-11 may be a promising self-report tool that could be a good substitute for the original form to assess callous-uncaring traits in adults.

  13. Play at Work

    DEFF Research Database (Denmark)

    Meier Sørensen, Bent; Spoelstra, Sverre

    2012-01-01

    The interest in organizational play is growing, both in popular business discourse and organization studies. As the presumption that play is dysfunctional for organizations is increasingly discarded, the existing positions may be divided into two camps; one proposes ‘serious play’ as an engine fo...... workplaces engage in play: play as a (serious) continuation of work, play as a (critical) intervention into work and play as an (uninvited) usurpation of work....

  14. Concussions and Risk Within Cultural Contexts of Play.

    Science.gov (United States)

    Torres Colón, Gabriel Alejandro; Smith, Sharia; Fucillo, Jenny

    2017-06-01

    Concussions are a type of traumatic injury caused by a jolting of the brain that disrupts normal brain function, and multiple concussions can lead to serious long-term health consequences. In this article, we examine the relationship between college students' understanding of concussions and their willingness to continue playing despite the possibility of sustaining multiple head injuries. We use a mixed-methods approach that includes participant observation, cultural domain analysis, and structured interviews. Our research finds that students hold a robust cognitive understanding of concussion yet discursively frame concussions as skeletomuscular injuries. More importantly, students affirm the importance of playing sports for themselves and others, so their decisions to risk multiple concussions must be understood within cultural and biocultural contexts of meaningful social play. We suggest that peoples' decision to risk multiple head injuries should be understood as a desire for meaningful social play rather than an uninformed health risk.

  15. Playful Interaction

    DEFF Research Database (Denmark)

    2003-01-01

    The video Playful Interaction describes a future architectural office, and envisions ideas and concepts for playful interactions between people, materials and appliances in a pervasive and augmented working environment. The video both describes existing developments, technologies and designs...... as well as ideas not yet implemented such as playful modes of interaction with an augmented ball. Playful Interaction has been used as a hybrid of a vision video and a video prototype (1). Externally the video has been used to visualising our new ideas, and internally the video has also worked to inspire...

  16. The role of play themes in non-directive play therapy.

    Science.gov (United States)

    Ryan, Virginia; Edge, Andrew

    2012-07-01

    Describing the processes underlying play therapy is important for evidence based practice in child therapy. Employing play themes to describe children's play session contents is in widespread use by practitioners, but an adequate classification of these themes for non-directive play therapy practice has not yet been established. This article sets out to fill this gap by first describing how themes can be distinguished and distilled from the contents of play therapy contents. Second, a classification of main themes and sub-themes with exemplars to illustrate these concepts which is compatible with non-directive play therapy practice is set out. Finally a pilot project with experienced play therapists to test this classification in practice is suggested, along with the research questions that will need to be investigated in the shorter and longer terms.

  17. Constructing the truth: from 'confusion of tongues' to 'constructions in analysis'.

    Science.gov (United States)

    Press, Jacques

    2006-04-01

    The author hypothesizes that the papers Freud wrote in the period 1934-9 constitute a final turning point in his work resulting from an attempt to work through, by means of self-analysis, early traumatic elements reactivated by the conditions of his life in the 1930s. The author emphasizes that the ups and downs of Freud's relationship with Sándor Ferenczi and the mourning which followed his death in 1933 played an important role in this traumatic situation. He suggests that through these last works, Freud pursued a posthumous dialogue with Ferenczi. This working through led Freud, in Moses and monotheism, to an ultimate revision of his theory of trauma, a revision which the author examines in full, in the light of the works of the Egyptologist, Jan Assmann. A new analytical paradigm emerges: that of constructions in analysis developed in the article of the same name. The activity of construction appears as an alternative to the mutual analysis proposed by Ferenczi and is closely bound up with the notion of historical truth. In psychoanalysis, it would mean constructing a historical truth whose anchoring in the material truth of the past is essential, though it should not be confused with it.

  18. Play Experience as Individual Ability and a Factor of Individual Resistance to Psychosomatic Disorders

    Directory of Open Access Journals (Sweden)

    Serikov A.V.,

    2017-12-01

    Full Text Available The paper analyzes the constructs of ‘play experience’ and ‘play experiencing ability’ from the perspective of cultural-historical psychology. The paper stresses the importance of education, play, art, wealth and cultural diversity in the formation of healthy and independent personality. The role of play experience as a healthful factor that allows an individual to acquire resistance to psychosomatic disorders is supported both theoretically and empirically. It is argued that the individual capable of play experience can transform the meaning of a situation (within his/her play experience and therefore eliminate its psychotraumatic effect which contributes to the development of psychosomatic disorders. The paper provides outcomes of an empirical research with 73 participants (40 female, 33 male; aged 18—45, with the average age of 25 years. The statistical analysis revealed a significant inverse correlation between the level of the individual’s play experiencing ability and the level of his/her somatization (rs = -0,435; p ≤ 0,01, which confirms the research hypothesis.

  19. Constructing a Validity Argument for the Objective Structured Assessment of Technical Skills (OSATS): A Systematic Review of Validity Evidence

    Science.gov (United States)

    Hatala, Rose; Cook, David A.; Brydges, Ryan; Hawkins, Richard

    2015-01-01

    In order to construct and evaluate the validity argument for the Objective Structured Assessment of Technical Skills (OSATS), based on Kane's framework, we conducted a systematic review. We searched MEDLINE, EMBASE, CINAHL, PsycINFO, ERIC, Web of Science, Scopus, and selected reference lists through February 2013. Working in duplicate, we selected…

  20. Reliability of mobile systems in construction

    Science.gov (United States)

    Narezhnaya, Tamara; Prykina, Larisa

    2017-10-01

    The purpose of the article is to analyze the influence of the mobility of construction production in the article taking into account the properties of reliability and readiness. Basing on the studied systems the effectiveness and efficiency is estimated. The construction system is considered to be the complete organizational structure providing creation or updating of construction facilities. At the same time the production sphere of these systems joins the production on the building site itself, material and technical resources of the construction production and live labour in these spheres within the construction dynamics. The author concludes, that the estimation of the degree of mobility of systems the of construction production makes a great positive effect in the project.

  1. STIMULATION OF CONSTRUCTION OF AFFORDABLE HOUSING BY REFORMATION OF A CONSTRUCTION COMPLEX MANAGEMENT SYSTEM

    Directory of Open Access Journals (Sweden)

    BRONEVYTSKYI S. P.

    2015-10-01

    Full Text Available Purpose. Development of offers on stimulation of construction of affordable housing by reformation of a construction complex management system. Methodology. The revelation of the problems of planning of construction in large cities. The analysis of forming of structure of a build complex management in soviet times and in a transitional period. The revelation of the modern, actual, socio-economic problems of the construction activity management. Proposition on the improvement of methods of construction management in cities of Ukraine. Results. The methods of a construction complex management in countries with a market economy as for building of affordable housing are shown. Originality. In composition of a town-planning documentations, except for the norms of the common use of territories of city (density of population of micro region, the maximum parameters of a construction examining of land areas are proposed to determine: building percent and coefficient of maximum superficial area. Practical value. The principle of management and organization of construction is norms of a build use of territories for building of mass affordable housing for funds of population and investors while providing of the comfort of housing in accordance with state construction norms.

  2. Construction, fabrication, and installation

    International Nuclear Information System (INIS)

    1992-05-01

    This standard specifies the construction, fabrication, and installation requirements that apply to concrete containment structures of a containment system designated as class containment components, parts and appurtenances for nuclear power plants

  3. Design and construction of nuclear power plants

    International Nuclear Information System (INIS)

    Meiswinkel, Ruediger; Meyer, Julian; Schnell, Juergen

    2013-01-01

    Despite all the efforts being put into expanding renewable energy sources, large-scale power stations will be essential as part of a reliable energy supply strategy for a longer period. Given that they are low on CO2 emissions, many countries are moving into or expanding nuclear energy to cover their baseload supply. Building structures required for nuclear installations whose protective function means they are classified as safety-related, have to meet particular construction requirements more stringent than those involved in conventional construction. This book gives a comprehensive overview from approval aspects given by nuclear and construction law, with special attention to the interface between plant and construction engineering, to a building structure classification. All life cycle phases are considered, with the primary focus on execution. Accidental actions on structures, the safety concept and design and fastening systems are exposed to a particular treatment. Selected chapters of the German concrete yearbook ''Beton-Kalender'' are now available in English. The new English BetonKalender Series delivers internationally useful engineering expertise and industrial know-how from Germany.

  4. Field Monitoring of Deformations and Internal Forces of Surrounding Rocks and Lining Structures in the Construction of the Gangkou Double-Arched Tunnel—A Case Study

    Directory of Open Access Journals (Sweden)

    Qixiang Yan

    2017-02-01

    Full Text Available Double-arched tunnel is a special and complex underground structure which needs to be monitored carefully during construction. Taking the Gangkou tunnel as the engineering background, this paper presents a case study of field monitoring of a representative double-arched tunnel. Typical cross sections were chosen in each class of surrounding rock masses in the tunnel area and different types of sensors were embedded in designed locations, and the deformations and forces of both surrounding rocks and lining structures were monitored systematically. The dynamic evolution as well as the spatial distribution characteristics of the monitoring data including the internal displacements of surrounding rocks and the contact pressures between surrounding rocks and primary linings, the axial forces in rock bolts and the internal forces in both steel arches and secondary linings were analyzed. The monitoring and analysis results show that the deformations and forces of both surrounding rocks and lining structures are directly related to the construction procedures, geological conditions and locations in the double-arched tunnel. According to the results, some reasonable suggestions were provided for the improvement of the tunnel construction. This study will provide useful reference and guidance for the design, construction and monitoring of similar engineering projects in future.

  5. KARATE WITH CONSTRUCTIVE LEARNING

    Directory of Open Access Journals (Sweden)

    Srikrishna Karanam

    2012-02-01

    Full Text Available Any conventional learning process involves the traditional hierarchy of garnering of information and then recall gathered information. Constructive learning is an important research area having wide impact on teaching methods in education, learning theories, and plays a major role in many education reform movements. It is observed that constructive learning advocates the interconnection between emotions and learning. Human teachers identify the emotions of students with varying degrees of accuracy and can improve the learning rate of the students by motivating them. In learning with computers, computers also should be given the capability to recognize emotions so as to optimize the learning process. Image Processing is a very popular tool used in the process of establishing the theory of Constructive Learning. In this paper we use the Optical Flow computation in image sequences to analyze the accuracy of the moves of a karate player. We have used the Lucas-Kanade method for computing the optical flow in image sequences. A database consisting of optical flow images by a group of persons learning karate is formed and the learning rates are analyzed in order to main constructive learning. The contours of flow images are compared with the standard images and the error graphs are plotted. Analysis of the emotion of the amateur karate player is made by observing the error plots.

  6. The Development of the Causative Construction in Persian Child Language

    Science.gov (United States)

    Family, Neiloufar; Allen, Shanley E. M.

    2015-01-01

    The acquisition of systematic patterns and exceptions in different languages can be readily examined using the causative construction. Persian allows four types of causative structures, including one productive multiword structure (i.e. the light verb construction). In this study, we examine the development of all four structures in Persian child…

  7. Assessing construction innovation: theoretical and practical perspectives

    Directory of Open Access Journals (Sweden)

    Peter Davis

    2016-09-01

    Full Text Available Innovation is key for productivity improvement and advancements in different sectors of the economy, including the construction sector.  The criticism of the slow pace of innovation in construction industry may be unwarranted, considering the structure of the industry and nature of the construction business.  The loosely coupled nature of firms, mostly Small and Medium Enterprises (SME’s, delivering ‘projects’ through partial engagement, together with the distinction between the project innovation and firm innovation makes it difficult to extract innovations in a meaningful way.  The problem also lies in conceptualising, defining, articulating and assessing innovation in construction.  The literature is replete with research into construction innovation, however, there is limited research into understanding how innovation is perceived and narrated in practice.  The paper aims to explore how innovation is assessed and narrated in construction, specifically analysing theory and practice perspectives.  A theoretical model was constructed from a structured literature review illustrating existing discourse and narratives of construction innovation assessment.  A qualitative analysis of ‘Professional Excellence in Building’ submission documents to the Australian Institute of Building was performed to identify the practice perspective of innovation.  The findings suggest that internal organizational and process innovation account for the majority of improvements identified.  Importantly a taxonomy of narrative is developed that articulates how the construction industry in Australia views industry innovation.

  8. 4D Applications of GIS in Construction Management

    Directory of Open Access Journals (Sweden)

    A. Chaitanya Kumar

    2017-01-01

    Full Text Available Construction industries broadly involve different set of construction activities which are to be executed as per schedule and the major software used for scheduling is PRIMAVERA and Microsoft Project (MSP. But the software still lacks a feature of providing spatial aspects of information in construction schedule. Recently, advanced technology like 4D GIS plays a major role in overcoming the limitation of the software. 4D GIS technology includes integration of 2D drawings from AutoCAD and schedules prepared in PRIMAVERA software. In the present study, a multistair residential building has been selected. ARCMAP 10.2 is used for interlinking of schedules as well as drawings and ARCSCENE has been used for developing 4D view. This linkage between scheduled activities and respective drawings in GIS helps in identifying construction sequences and also in detecting logical errors that occur in project schedules. The developed 4D view provides better visualization of construction progress of a project.

  9. Structural equation model to investigate the dimensions influencing safety culture improvement in construction sector: A case in Indonesia

    Science.gov (United States)

    Machfudiyanto, Rossy Armyn; Latief, Yusuf; Yogiswara, Yoko; Setiawan, R. Mahendra Fitra

    2017-06-01

    In facing the ASEAN Economic Community, the level of prevailing working accidents becomes one of the competitiveness factors among the companies. A construction industry is one of the industries prone to high level of accidents. Improving the safety record will not be completely effective unless the occupational safety and healthy culture is enhanced. The aim of this research was to develop a model and to conduct empirical investigation on the relationships among the dimensions of construction occupational safety culture. This research used the structural equation model as a means to examine the hypothesis of positive relationships between dimensions and objectives. The method used in this research was questionnaire survey which was distributed to the respondents from construction companies in a state-owned enterprise in Indonesia. Moreover, there were dimensions of occupational safety culture that was established, such as leadership, behavior, value, strategy, policy, process, employee, safety cost, and contract system. The results of this study indicated that all dimensions were significant and inter-related in forming the safety culture. The result of R2 yielded the safety performance was 54%, which means it was in low category and evaluation of policies on construction companies was required in addressing the issue of working accidents.

  10. Learning through delivery, Westinghouse AP1000 plant construction

    International Nuclear Information System (INIS)

    Gorgemans, J.; Hinman, R.D.; Steuck, C.M.; Greco, P.L.

    2014-01-01

    The AP1000 plant, which is a 1100 MWe class pressurized water reactor with passive safety features, is designed around a conventional 2 loop, 2 steam generator primary system configuration with 2 hot legs, 4 reactor coolant pumps directly mounted in the steam generator lower head and 4 cold legs. A particular feature of AP1000 is its modular construction to minimize the time and cost of construction. Modular construction allows activities to be run in parallel, it allows more activities to be performed in a controlled factory instead of in the field, and it provides a better level of quality. The AP1000 plant design includes 106 structural modules and 52 mechanical modules. Structural modules include all penetrations for piping, cable trays, HVAC duct runs, and all reinforcement for pipe, equipment hangers, and supports. Structural modules are shipped in sub-modules to support transportation by rail or truck or barge. Mechanical modules contain equipment such as pumps, tanks, heat exchangers, air-handling units, and filters along with interconnecting pipes, valves, instruments, wiring and support services. Modular construction requires strong coordination between engineering, supply chain and construction. A total of 8 AP1000 units are currently under construction in China and in the United States. The lessons learned and best practices of each new AP1000 construction are systematically incorporated into the standard design. (A.C.)

  11. Basis set construction for molecular electronic structure theory: natural orbital and Gauss-Slater basis for smooth pseudopotentials.

    Science.gov (United States)

    Petruzielo, F R; Toulouse, Julien; Umrigar, C J

    2011-02-14

    A simple yet general method for constructing basis sets for molecular electronic structure calculations is presented. These basis sets consist of atomic natural orbitals from a multiconfigurational self-consistent field calculation supplemented with primitive functions, chosen such that the asymptotics are appropriate for the potential of the system. Primitives are optimized for the homonuclear diatomic molecule to produce a balanced basis set. Two general features that facilitate this basis construction are demonstrated. First, weak coupling exists between the optimal exponents of primitives with different angular momenta. Second, the optimal primitive exponents for a chosen system depend weakly on the particular level of theory employed for optimization. The explicit case considered here is a basis set appropriate for the Burkatzki-Filippi-Dolg pseudopotentials. Since these pseudopotentials are finite at nuclei and have a Coulomb tail, the recently proposed Gauss-Slater functions are the appropriate primitives. Double- and triple-zeta bases are developed for elements hydrogen through argon. These new bases offer significant gains over the corresponding Burkatzki-Filippi-Dolg bases at various levels of theory. Using a Gaussian expansion of the basis functions, these bases can be employed in any electronic structure method. Quantum Monte Carlo provides an added benefit: expansions are unnecessary since the integrals are evaluated numerically.

  12. Automatic Construction by Contour Crafting Technology

    Directory of Open Access Journals (Sweden)

    Mohammad Reza Khorramshahi

    2017-07-01

    Full Text Available Contour Crafting is a novel technology in construction industry based on 3D printing that uses robotics to construct free form building structures by repeatedly laying down layers of material such as concrete. It is actually an approach to scale up automatic fabrication from building small industrial parts to constructing buildings. However, there are little information about contour crafting (CC in current use; present paper aims to describe the operational steps of creating a whole building by the machine reviewing relevant literature. Furthermore, it will represent the advantages of CC usage compared to traditional construction methods, as well as its applicability in construction industry.

  13. [Play as a care strategy for children with cancer].

    Science.gov (United States)

    Lima, Kálya Yasmine Nunes de; Santos, Viviane Euzébia Pereira

    2015-06-01

    To understand the influence of play in the care process as perceived by children with cancer. A descriptive, exploratory and qualitative study conducted in a children's cancer unit in Natal, Rio Grande do Norte, Brazil. Data were collected between October 2013 and January 2014 by means of photographic records and semi-structured interviews with eight children, and content analysis with emphasis on two categories: Auxiliary instruments during play; and The influence of play in the process of care. Recreational activities involve watching television, using computers, games and toys, drawing, the playroom and the clown, which provide fun, feelings of joy, distraction and interaction with other people. There are several activities at the hospital that are considered play-related and, for the children, they all benefit their care process.

  14. Play as a care strategy for children with cancer

    Directory of Open Access Journals (Sweden)

    Kálya Yasmine Nunes de Lima

    Full Text Available OBJECTIVE: To understand the influence of play in the care process as perceived by children with cancer. METHOD: A descriptive, exploratory and qualitative study conducted in a children's cancer unit in Natal, Rio Grande do Norte, Brazil. Data were collected between October 2013 and January 2014 by means of photographic records and semi-structured interviews with eight children, and content analysis with emphasis on two categories: Auxiliary instruments during play; and The influence of play in the process of care. RESULTS: Recreational activities involve watching television, using computers, games and toys, drawing, the playroom and the clown, which provide fun, feelings of joy, distraction and interaction with other people. CONCLUSION: There are several activities at the hospital that are considered play-related and, for the children, they all benefit their care process.

  15. Appendix VI: KHNP staffing plan of construction site office: ULCHIN 5 and 6 construction project (ROK)

    International Nuclear Information System (INIS)

    2008-01-01

    KHNP, as an owner/operator organization, is responsible for all project activities including design, procurement, construction, and commissioning, for Korea's nuclear power plant (NPP) construction projects. Four separate functional offices of KHNP are set up to complete the construction management work. These offices are (1) home office, (2) field construction office, (3) field quality assurance office, and (4) field startup/commissioning office. This paper presents a staffing plan for the field construction office starting initial project implementation to final turnover to operations stages. It is recognized that the plan may not be applicable to other utility situations in terms of project management of site activity depending upon how the overall project contract is structured

  16. Homological perturbation theory and the algebraic structure of the antifield-antibracket formalism for gauge theories

    International Nuclear Information System (INIS)

    Fisch, J.M.L.

    1990-01-01

    The algebraic structure of the antifield-antibracket formalism for both reducible and irreducible gauge theories is clarified. This is done by using the methods of Homological Perturbation Theory (HPT). A crucial ingredient of the construction is the Koszul-Tate complex associated with the stationary surface of the classical extremals. The Koszul-Tate differential acts on the antifields and is graded by the antighost number. It provides a resolution of the algebra A of functions defined on the stationary surface, namely, it is acyclic except at degree zero where its homology group reduces to A. Acyclicity only holds because of the introduction of the ghosts of ghosts and provides an alternative criterion for what is meant by a proper solution of the master equation. The existence of the BRST symmetry follows from the techniques of HPT. The classical Lagrangian BRST cohomology is completely worked out and shown to be isomorphic with the cohomology of the exterior derivative along the gauge orbits on the stationary surface. The algebraic structure of the formalism is identical with the structure of the Hamiltonian BRST construction. The role played there by the constraint surface is played here by the stationary surface. Only elementary quantum questions (general properties of the measure) are addressed. (orig.)

  17. New CMS detectors under construction at CERN

    CERN Multimedia

    Katarina Anthony

    2012-01-01

    While the LHC will play the starring role in the 2013/2014 Long Shutdown (LS1), the break will also be a chance for its experiments to upgrade their detectors. CMS will be expanding its current muon detection systems, fitting 72 new cathode strip chambers (CSC) and 144 new resistive plate chambers (RPC) to the endcaps of the detector. These new chambers are currently under construction in Building 904.   CMS engineers install side panels on a CSC detector in Building 904. "The original RPC and CSC detectors were constructed in bits and pieces around the world," says Armando Lanaro, CSC construction co-ordinator. "But for the construction of these additional chambers, we decided to unify the assembly and testing into a single facility at CERN. There, CMS technicians, engineers and physicists are taking raw materials and transforming them into installation-ready detectors.” This new facility can be found in Building 904. Once the assembly site for the strai...

  18. The WEST project mechanical analysis of the divertor structure according to the nuclear construction code

    Energy Technology Data Exchange (ETDEWEB)

    Larroque, S., E-mail: sebastien.larroque@cea.fr [CEA Cadarache, IRFM, F-13108 Saint-Paul-lez-Durance (France); Portafaix, C. [ITER Organization, 13108 Saint-Paul-lez-Durance (France); Saille, A.; Doceul, L.; Bucalossi, J.; Samaille, F.; Freslon, S. de [CEA Cadarache, IRFM, F-13108 Saint-Paul-lez-Durance (France)

    2014-10-15

    Highlights: • Divertor structure is mainly loaded by electromagnetical forces. • A simplified FEM analysis give the stresses in the structure. • RCCM criteria are required for the sizing. • Refined finite element models are used for local overstresses. - Abstract: The Tore Supra tokamak is being transformed in an x-point divertor fusion device in the frame of the WEST project, launched in support to the ITER tungsten divertor strategy. The installation of coils inside the vacuum vessel led to the design of a divertor supporting platform able to meet the project requirements and the associated electromagnetic loads. This paper illustrates the design, the method and the results of the thermomechanical elastic stress analyses performed in 2012. The validation of the integrity of the structure is based on the compliance with RCCMR design criteria (even though these Design and Construction rules for Mechanical Components of nuclear installations are not required for such experimental fusion device). Several 3D analyses are performed with the ANSYS code. The major one is a global analysis of half structure which determinates the stresses in the main part of the components. It gives an idea of the areas which needs local analyses. It also provides the interface loads for junction studies or simplified local model.

  19. Myth and Memory: The Construction and De-Construction of Ethnic ...

    African Journals Online (AJOL)

    This paper evaluates the role myth and memory play in understanding the 1994. Rwandan genocide, within the context of structuralism and functionalist thinking. It argues that the Hamitic frame of reference and colonial administration of this country underscore the notion of myth-making in colonial Rwanda. The paper ...

  20. Engineering hybrid Co-picene structures with variable spin coupling

    Energy Technology Data Exchange (ETDEWEB)

    Zhou, Chunsheng [Hefei National Laboratory for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui 230026 (China); Department of Physics, University of Science and Technology of China, Hefei, Anhui 230026 (China); Shan, Huan; Li, Bin, E-mail: libin@mail.ustc.edu.cn, E-mail: adzhao@ustc.edu.cn; Zhao, Aidi, E-mail: libin@mail.ustc.edu.cn, E-mail: adzhao@ustc.edu.cn; Wang, Bing [Hefei National Laboratory for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui 230026 (China)

    2016-04-25

    We report on the in situ engineering of hybrid Co-picene magnetic structures with variable spin coupling using a low-temperature scanning tunneling microscope. Single picene molecules adsorbed on Au(111) are manipulated to accommodate individual Co atoms one by one, forming stable artificial hybrid structures with magnetism introduced by the Co atoms. By monitoring the evolution of the Kondo effect at each site of Co atom, we found that the picene molecule plays an important role in tuning the spin coupling between individual Co atoms, which is confirmed by theoretical calculations based on the density-functional theory. Our findings indicate that the hybrid metal-molecule structures with variable spin coupling on surfaces can be artificially constructed in a controlled manner.

  1. Playful biometrics: controversial technology through the lens of play.

    Science.gov (United States)

    Ellerbrok, Ariane

    2011-01-01

    This article considers the role of play in the context of technological emergence and expansion, particularly as it relates to recently emerging surveillance technologies. As a case study, I consider the trajectory of automated face recognition—a biometric technology of numerous applications, from its more controversial manifestations under the rubric of national security to a clearly emerging orientation toward play. This shift toward “playful” biometrics—or from a technology traditionally coded as “hard” to one now increasingly coded as “soft”—is critical insofar as it renders problematic the traditional modes of critique that have, up until this point, challenged the expansion of biometric systems into increasingly ubiquitous realms of everyday life. In response to this dynamic, I propose theorizing the expansion of face recognition specifically in relation to “play,” a step that allows us to broaden the critical space around newly emerging playful biometrics, as well as playful surveillance more generally. In addition, play may also have relevance for theorizing other forms of controversial technology, particularly given its potential role in processes of obfuscation, normalization, and marginalization.

  2. Assessment of pretend play in Prader-Willi syndrome: a direct comparison to autism spectrum disorder.

    Science.gov (United States)

    Zyga, Olena; Russ, Sandra; Ievers-Landis, Carolyn E; Dimitropoulos, Anastasia

    2015-04-01

    Children with Prader-Willi syndrome (PWS) are at risk for autism spectrum disorder (ASD), including pervasive social deficits. While play impairments in ASD are well documented, play abilities in PWS have not been evaluated. Fourteen children with PWS and ten children with ASD were administered the Autism Diagnostic Observation Schedule (ADOS) (Lord et al. in Autism Diagnostic Observation Schedule manual. Western Psychological Services, Los Angeles, 2006) as part of a larger project. A modified Affect in Play Scale (APS; Russ in Play in child development and psychotherapy: toward empirically supported practice. Lawrence Erlbaum Associates Publishers, Mahwah, 2004; Pretend play in childhood: foundation of adult creativity. APA Books, Washington, 2014) was used to score ADOS play activities. Results indicate both groups scored below normative data on measures of imagination, organization, and affective expression during individual play. In addition, the inclusion of a play partner in both groups increased all scaled scores on the APS. These findings suggest children with PWS show impaired pretend play abilities similar to ASD. Further research is warranted and should focus on constructing and validating programs aimed at improving symbolic and functional play abilities within these populations.

  3. The innovation and application of the nuclear power construction management information system MISNPC

    International Nuclear Information System (INIS)

    Wang Kaihua; Tang Zihui; Zhang Baiqi; Sun Guangwei; Zhu Guodong; Qian Fuhua

    2009-01-01

    This paper focuses on introducing the innovation achievements on the management information system of nuclear power construction (MISNPC). The innovation is achieved through summarizing the practice of nuclear power construction in China and drawing on advanced experience of international nuclear power construction. The innovation, including the management standard for nuclear power construction, the standard of construction process, the standard of nuclear-power basic codes and the standard for nuclear power construction and control, can be rapidly copied for application in various nuclear power construction projects. The application of the innovation may play an essential role in ensuring safe construction and operation of nuclear power plants in China and improving economic benefits. (authors)

  4. Application of superconductivity in cyclotron construction

    International Nuclear Information System (INIS)

    Blosser, H.G.

    1982-01-01

    This paper reviews major concepts and design features of the new class of cyclotrons which use superconducting coils to provide main magnet excitation. The discussion begins with a brief historical review tracing the evolution of these ''superconducting'' cyclotrons and the impact of this application of superconductivity in pushing back traditional cyclotron construction limits. This is followed by a review of the principal phenomena which come into play to set new limits on the operating regime, and the nature of these limits, some of which arise from orbit properties and some of which result from construction intricacies in the coil and in the rf system. Conclusions anticipate a future widely encompassing role in the application of superconductivity to cyclotron

  5. Customizable 3D Printed 'Plug and Play' Millifluidic Devices for Programmable Fluidics.

    Science.gov (United States)

    Tsuda, Soichiro; Jaffery, Hussain; Doran, David; Hezwani, Mohammad; Robbins, Phillip J; Yoshida, Mari; Cronin, Leroy

    2015-01-01

    Three dimensional (3D) printing is actively sought after in recent years as a promising novel technology to construct complex objects, which scope spans from nano- to over millimeter scale. Previously we utilized Fused deposition modeling (FDM)-based 3D printer to construct complex 3D chemical fluidic systems, and here we demonstrate the construction of 3D milli-fluidic structures for programmable liquid handling and control of biological samples. Basic fluidic operation devices, such as water-in-oil (W/O) droplet generators for producing compartmentalized mono-disperse droplets, sensor-integrated chamber for online monitoring of cellular growth, are presented. In addition, chemical surface treatment techniques are used to construct valve-based flow selector for liquid flow control and inter-connectable modular devices for networking fluidic parts. As such this work paves the way for complex operations, such as mixing, flow control, and monitoring of reaction / cell culture progress can be carried out by constructing both passive and active components in 3D printed structures, which designs can be shared online so that anyone with 3D printers can reproduce them by themselves.

  6. Use sulfoferritic cements in construction

    Science.gov (United States)

    Samchenko, Svetlana V.; Zorin, Dmitriy A.

    2018-03-01

    Currently, high-rise construction has received increasing attention around the world. In the big cities under construction is less space and one solution is the high-rise construction. However, high-rise buildings use special requirements, such as strength, thermal insulation, wind load and others. When concrete is exposed to continuous loads by wind or to mechanical loads, it undergoes abrasion. Resistance to this process depends on the characteristics of materials that the concrete and finishing seams are made of. Research on increasing impact and abrasion resistance of calcium sulfoferrite-based cement stone from the perspective of formation of cement stone structure will be instrumental in developing durable materials for application in high-rise construction.

  7. Modelling the factors influencing the selection of the construction equipment for Indian construction organizations

    Directory of Open Access Journals (Sweden)

    S.V.S. Raja Prasad

    2016-09-01

    Full Text Available The contribution of Indian construction sector to the GDP is approximately 10%. Under new government policy, it is anticipated that $1000 Billion share for exclusively infrastructure segment would be completed within the next few years. Construction sector in developing country like India still depends on labor and the practice of mechanization, adopting to use of versatile construction equipment is not in force. The need for implementing new technologies and automation is essential to improve the quality, safety and efficiency. To meet the challenges ahead the construction, organizations should focus on utilization of machinery/equipment to achieve desirable results. Modern construction is characterized by the increase in utilization of equipment to accomplish numerous construction activities. The selection of construction equipment often affects the required amount of time and effort. It is therefore important for managements of construction organizations and planners to be familiar with the features of various types of equipment commonly used in construction activities. The selection of appropriate equipment is a crucial decision making process as it involves huge capital investment. The purpose of the present study is to develop a model pertaining to the factors influencing the selection of construction equipment by using interpretive structural modelling and the results indicate that productivity and safety are the important factors in selection of equipment in Indian construction organizations.

  8. Construction de définitions / construction de concept : vers une situation fondamentale pour la construction de définitions en mathématiques

    OpenAIRE

    Ouvrier-Buffet , Cécile

    2003-01-01

    Nicolas BALACHEFF – DR CNRS – Grenoble (président) Pierre DUCHET – DR CNRS – Paris 6 (rapporteur) Denise GRENIER – MCF – UJF, Grenoble (co-directrice) Sylvette MAURY – Professeur en Sciences de l'Education – Paris 5 Sorbonne (examinateur) Alain MERCIER – Professeur en Sciences de l'Education – INRP (rapporteur) Charles PAYAN – DR CNRS – Grenoble (co-directeur); Our research is interesting in situations of definitions-construction (called SDC); it plays a leading role in the usual mathematical...

  9. [Free play and setting limits in inpatient psychotherapy].

    Science.gov (United States)

    Kriebel, A

    1993-01-01

    Some neglected issues of therapeutic technique in psychoanalytic inpatient therapy are reflected including their developmental and social psychological backgrounds (playing, power). Questions of dealing with an obligatory therapeutic frame supporting structural development are discussed with regard to team processes (rules of the ward).

  10. My avatar, my self identity in video role-playing games

    CERN Document Server

    Waggoner, Zach

    2009-01-01

    With videogames now one of the world's most popular diversions, the virtual world has increasing psychological influence on real-world players. This book examines the relationships between virtual and non-virtual identity in visual role-playing games. Utilizing James Gee's theoretical constructs of real-world identity, virtual-world identity, and projective identity, this research shows dynamic, varying and complex relationships between the virtual avatar and the player's sense of self and makes recommendations of terminology for future identity researchers.

  11. Effects of Constructing versus Playing an Educational Game on Student Motivation and Deep Learning Strategy Use

    Science.gov (United States)

    Vos, Nienke; van der Meijden, Henny; Denessen, Eddie

    2011-01-01

    In this study the effects of two different interactive learning tasks, in which simple games were included were described with respect to student motivation and deep strategy use. The research involved 235 students from four elementary schools in The Netherlands. One group of students (N = 128) constructed their own memory "drag and…

  12. Smooth homogeneous structures in operator theory

    CERN Document Server

    Beltita, Daniel

    2005-01-01

    Geometric ideas and techniques play an important role in operator theory and the theory of operator algebras. Smooth Homogeneous Structures in Operator Theory builds the background needed to understand this circle of ideas and reports on recent developments in this fruitful field of research. Requiring only a moderate familiarity with functional analysis and general topology, the author begins with an introduction to infinite dimensional Lie theory with emphasis on the relationship between Lie groups and Lie algebras. A detailed examination of smooth homogeneous spaces follows. This study is illustrated by familiar examples from operator theory and develops methods that allow endowing such spaces with structures of complex manifolds. The final section of the book explores equivariant monotone operators and Kähler structures. It examines certain symmetry properties of abstract reproducing kernels and arrives at a very general version of the construction of restricted Grassmann manifolds from the theory of loo...

  13. THE SIGNIFICANCE OF STRUCTURAL AND GEOLOGICAL RELATIONSHIP ASSESSMENT IN THE CONSTRUCTION OF THE OMBLA UNDERGROUND HYDROELECTRIC POWER PLANT

    Directory of Open Access Journals (Sweden)

    Renato Buljan

    1997-12-01

    Full Text Available The construction design of the underground hydroelectric plant Ombla required geological and structural investigations to he carried out. Due to past earthquakes in the area permanent tectonic movements were inferred. Therefore, in the wider and adjacent surroundings of the Ombla spring it was necessary to analyze the structural fabric and the geodynamic characteristics of the area. The most active zone encountered is the front part of a thrust fault belonging to the Dinaricum regional structural unit. The compressive regime is maintained as a response to the regional stress of an approximately S-N orientation. Different displacements of various parts of the Dinaricum unit are present. Along the rim of the structural blocks, the Hum-Om-bla fault zone extends, accompanied by left transcurrent faults, Through this zone the main groundwater drainage occurs supplying the Ombla spring. In the local Ombla spring area this zone is characterized by three sub-blocks and three major faults. The most important fault for the vital facilities of the Ombla hydroelectric power plant is the Pločice fault which divides the structural sub-blocks. Along this fault zone there are four mutually connected. The lowest two arc active groundwater draining systems supplying the Ombla spring. The data on local stress implies the following deformation of sub-blocks: sub-blocks 2c and 2f are displaced along normal faults from 20° to 30° to the left, downwards, while the sub-block 2 d is displaced along the Pločice thrust fault of 100° to 130° to the left, upwards. The structural data confirmed that the building of an underground dam with a height from 100 to 130 m was feasible. The connection between the caverns and the fault zone was determined. The unfavorable position of the active Pločice fault zone imposes the construction of vital Ombla power plant facilities underground.

  14. CONSTRUCTIVE MODEL OF ADAPTATION OF DATA STRUCTURES IN RAM. PART II. CONSTRUCTORS OF SCENARIOS AND ADAPTATION PROCESSES

    Directory of Open Access Journals (Sweden)

    V. I. Shynkarenko

    2016-04-01

    Full Text Available Purpose.The second part of the paper completes presentation of constructive and the productive structures (CPS, modeling adaptation of data structures in memory (RAM. The purpose of the second part in the research is to develop a model of process of adaptation data in a RAM functioning in different hardware and software environments and scenarios of data processing. Methodology. The methodology of mathematical and algorithmic constructionism was applied. In this part of the paper, changes were developed the constructors of scenarios and adaptation processes based on a generalized CPS through its transformational conversions. Constructors are interpreted, specialized CPS. Were highlighted the terminal alphabets of the constructor scenarios in the form of data processing algorithms and the constructor of adaptation – in the form of algorithmic components of the adaptation process. The methodology involves the development of substitution rules that determine the output process of the relevant structures. Findings. In the second part of the paper, system is represented by CPS modeling adaptation data placement in the RAM, namely, constructors of scenarios and of adaptation processes. The result of the implementation of constructor of scenarios is a set of data processing operations in the form of text in the language of programming C#, constructor of the adaptation processes – a process of adaptation, and the result the process of adaptation – the adapted binary code of processing data structures. Originality. For the first time proposed the constructive model of data processing – the scenario that takes into account the order and number of calls to the various elements of data structures and adaptation of data structures to the different hardware and software environments. At the same the placement of data in RAM and processing algorithms are adapted. Constructionism application in modeling allows to link data models and algorithms for

  15. Playing around in Lewis Carroll's "Alice" Books

    Science.gov (United States)

    Susina, Jan

    2010-01-01

    Mathematician Charles Dodgson's love of play and his need for rules came together in his use of popular games as part of the structure of the two famous children's books, "Alice in Wonderland" and "Through the Looking-Glass," he wrote under the pseudonym Lewis Carroll. The author of this article looks at the interplay between…

  16. The Technique for the Numerical Tolerances Estimations in the Construction of Compensated Accelerating Structures

    CERN Document Server

    Paramonov, V V

    2004-01-01

    The requirements to the cells manufacturing precision and tining in the multi-cells accelerating structures construction came from the required accelerating field uniformity, based on the beam dynamics demands. The standard deviation of the field distribution depends on accelerating and coupling modes frequencies deviations, stop-band width and coupling coefficient deviations. These deviations can be determined from 3D fields distribution for accelerating and coupling modes and the cells surface displacements. With modern software it can be done separately for every specified part of the cell surface. Finally, the cell surface displacements are defined from the cell dimensions deviations. This technique allows both to define qualitatively the critical regions and to optimize quantitatively the tolerances definition.

  17. Path of Social Construction in Northwest Sichuan Plateau Pastoral Area

    Institute of Scientific and Technical Information of China (English)

    2012-01-01

    On the basis of main contents of social construction and key points of construction,this paper analyzes features of conditions of northwest Sichuan plateau pastoral area.The social construction at current stage mainly includes social cause in narrow sense,and social management at meso-level.The northwest Sichuan plateau pastoral area is faced with the best policy and development opportunity.However,there are still many weak aspects.Firstly,social structure is not coordinated with economic structure.Secondly,social construction ability of grass-roots government is weak.Thirdly,the ability to respond to public demands is low.Fourthly,there is a big gap in availability of basic public service.Finally,it presents path selection for social construction of northwest Sichuan plateau pastoral area:strengthen social construction ability of grass-roots government;promote social construction with livelihood projects as key projects;boost social construction taking advantage of ecological construction;develop basic public service with the aid of external forces;intensify evaluation system for supervision of social construction works.

  18. The neurobiology of social play and its rewarding value in rats

    Science.gov (United States)

    Vanderschuren, Louk J.M.J.; Achterberg, E.J. Marijke; Trezza, Viviana

    2016-01-01

    In the young of many mammalian species, including humans, a vigorous and highly rewarding social activity is abundantly expressed, known as social play behaviour. Social play is thought to be important for the development of social, cognitive and emotional processes and their neural underpinnings, and it is disrupted in pediatric psychiatric disorders. Here, we summarize recent progress in our understanding of the brain mechanisms of social play behaviour, with a focus on its rewarding properties. Opioid, endocannabinoid, dopamine and noradrenaline systems play a prominent role in the modulation of social play. Of these, dopamine is particularly important for the motivational properties of social play. The nucleus accumbens has been identified as a key site for opioid and dopamine modulation of social play. Endocannabinoid influences on social play rely on the basolateral amygdala, whereas noradrenaline modulates social play through the basolateral amygdala, habenula and prefrontal cortex. In sum, social play behaviour is the result of coordinated activity in a network of corticolimbic structures, and its monoamine, opioid and endocannabinoid innervation. PMID:27587003

  19. Structural and construct validity of the Whiplash Disability Questionnaire in adults with acute whiplash-associated disorders.

    Science.gov (United States)

    Stupar, Maja; Côté, Pierre; Beaton, Dorcas E; Boyle, Eleanor; Cassidy, J David

    2015-11-01

    Few instruments are available to measure disability associated with whiplash-associated disorders (WAD). The Whiplash Disability Questionnaire (WDQ) was developed to measure disability resulting from WAD, but its validity is unknown for acute WAD. The aim was to determine the structural and construct validity of the WDQ in individuals with acute WAD. This was a cohort study. Ontario adults with WAD were enrolled within 3 weeks of their motor vehicle collision. The outcome measure was the WDQ. We included insurance claimants who were aged 18 years or older and diagnosed with acute WAD Grades I to III. All participants completed the WDQ, a 13-item questionnaire scored from 0 (no disability) to 130 (complete disability). We assessed the factor structure of the WDQ and tested its construct validity against self-perceived recovery, neck pain (Numerical Rating Scale [NRS]), neck disability (Neck Disability Index [NDI] and Neck Bournemouth Questionnaire), health-related quality of life (36-Item Short Form Health Survey [SF-36]), and depressive symptoms (Center for Epidemiologic Studies Depression Scale [CES-D]). The mean age of the 130 participants was 42.1 years (standard deviation [SD]=13.2), and 70% were women. Twenty-six percent had WAD I, 73.1% had WAD II, and 0.8% had WAD III. Mean time since injury was 6.5 days (SD=4.9). The mean WDQ score was 49.8 (SD=29.1). Our analysis suggested that the WDQ includes two factors: daily activities and emotional status. This factor structure remained stable in sensitivity analyses (eg, zeros imputed for missing values, and the item with the most missing values or resulting in complex loading excluded). Strong correlations were found between the total WDQ score and the NDI, the Bournemouth questionnaire, the SF-36 physical function, and the NRS (for the neck, shoulder, mid and low back pain) satisfying a priori hypotheses. We found a priori hypothesized moderate correlations between the WDQ, and the CES-D and SF-36 mental function

  20. Children with Developmental Disabilities and their Motivation to Play

    Directory of Open Access Journals (Sweden)

    Lindsey Askins

    2013-08-01

    Full Text Available The purpose of this qualitative study was to examine how and when children with developmental disabilities aged nine to 12 years spontaneously demonstrated play behaviors indicative of intrinsic motivation. Data was collected from six child participants and four parent participants through the use of the Pediatric Volitional Questionnaire (PVQ and semi-structured photo-elicitation interviews. Overall, the children who participated in this study sought out play experiences with which they were familiar in their natural environments. Specifically, they sought out experiences that afforded them the opportunity to exercise control over their environment and create a sense of predictability. Each of the children assumed the role of “orchestrator” and conducted his or her engagement in play occupations. The children demonstrated some spontaneous play within their social environment; however, many developmentally age-appropriate behaviors were not observed.