Sample records for interior decoration

  1. Discussion on interior greening decoration of residence (United States)

    Tong, ZhiNeng


    Green plants bring endless natural energy into the room. This paper introduces the functions, principles and functions of indoor greening decoration from different angles. Its conclusion is that it has become an important measure to improve the living environment of the people, and through the interior greening decoration to create a harmonious living space of architecture, human and nature.

  2. Homemaking (Clothing and Interior Decorating), Course Description. (United States)

    Shelso, Bessie; Anderson, Floyd L.

    Prepared by an instructor and curriculum development specialist of the Minnesota Work Opportunity Center, this course is designed to aid the dropout and/or hard-core unemployed youth develop skills in clothing and interior decorating. The approach focuses on the individual and the goals he desires to accomplish. During the first interview, the…

  3. A Primary Study on the Recording Method of Interior Decoration in Qing Dynasty - A Case Study of Interior Decoration of Jingfu Palace (United States)

    Rong, X.; He, B.; Zhuang, L.


    The existing interior decoration of Qing Dynasty is the master of that of each dynasty, with its diversified forms and complicated functions. As early as 1920s, the Rehabilitation Committee of Qing court recorded the interior furnishing in the Forbidden City by using Chinese traditional documentary method. Today, along with the constantly updated techniques, the recording method for the current situation of interior decoration has gradually developed from two-dimensional drawings into digital and comprehensive record. However, the current research results are mostly limited to a single field. This paper takes the digital record and reproduction about the current situation of interior decoration in Jingfu Palace in the Forbidden City as an example. Through the use of photogrammetry, 3D laser scanning, virtual display and other technology and equipment at the forefront of architectural field, it makes qualitative and quantitative record about the interior decoration inside Jingfu Palace. By combing with the interpretation of historical documents, it restores the original design ideas hidden behind the current situation of interior decoration, so as to summarize the best recording and reproducing method of interior decoration of Qing Dynasty.

  4. A Primary Study on the Recording Method of Interior Decoration in Qing Dynasty – A Case Study of Interior Decoration of Jingfu Palace

    Directory of Open Access Journals (Sweden)

    X. Rong


    Full Text Available The existing interior decoration of Qing Dynasty is the master of that of each dynasty, with its diversified forms and complicated functions. As early as 1920s, the Rehabilitation Committee of Qing court recorded the interior furnishing in the Forbidden City by using Chinese traditional documentary method. Today, along with the constantly updated techniques, the recording method for the current situation of interior decoration has gradually developed from two-dimensional drawings into digital and comprehensive record. However, the current research results are mostly limited to a single field. This paper takes the digital record and reproduction about the current situation of interior decoration in Jingfu Palace in the Forbidden City as an example. Through the use of photogrammetry, 3D laser scanning, virtual display and other technology and equipment at the forefront of architectural field, it makes qualitative and quantitative record about the interior decoration inside Jingfu Palace. By combing with the interpretation of historical documents, it restores the original design ideas hidden behind the current situation of interior decoration, so as to summarize the best recording and reproducing method of interior decoration of Qing Dynasty.

  5. Fire-retardant decorative inks for aircraft interiors (United States)

    Kourtides, D. A.; Nir, Z.; Mikroyannidis, J. A.


    Commercial and experimental fire retardants were screened as potential fire retardants for acrylic printing inks used on aircraft interior sandwich panels. The fire retardants are selected according to their physical properties and their thermostabilities. A criterion for selecting a more stable fire retardant is established. Thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) are used to determine thermostabilities. Results show that the fire retardant formulations are more thermally stable than the acrylic ink control. It is determined that an ink formulation containing a brominated phenol and carboxy-terminated butadiene acrylonitrile which has been modified with a brominated polymeric additive (BPA), yields the highest limiting oxygen index (LOI) of all the compounds tested. All of the fire-retardant formulations have a higher oxygen index than the baseline acrylic ink.

  6. Apply 3D model on the customized product color combination for the interior decoration (United States)

    Chen, Cheih-Ying


    The customized product color interface for the interior decoration is designed to simulate the display of various color combination sofas in the interior of the room. There are 144 color combinations of the spatial image resulted from four the interior rooms and 36 popular color sofas. The image compositing technique is adopted to appear the 144 color combinations of the spatial image on computer screen. This study tests the experience of using the interface by the questionnaire for User Interface Satisfaction (QUIS). The results show that the high grade of evaluation items including wonderful, easy, satisfying, stimulating and flexible for the experience of users. Therefore, the entrepreneur who wants to display the color primarily commodity could using the customized color combination interface with 3D models for consumers to take opportunity to find the appropriate products to meet with the interior room, so as to shorten communication time between entrepreneurs and consumers.


    Directory of Open Access Journals (Sweden)

    Monika Henschke


    Full Text Available The aim of the study was to determine the demand for pot plants for interior decoration at various points of sale in Poznan. The results were based on questionnaires filled by clients of three retail sale points with pot plants: flower shop, horticultural centre and building material market in Poznan and its surroundings. Collected information was analysed for a frequency of purchases, amount of money spent on pot plants, place of purchases, occasions for which plant was bought, preferences of buyers and pattern of purchases. Customers purchase plants in various points of sale from 7 to 9 pot plants per year, mostly in horticultural centres and in spring. Plants are used for interior decoration and are cultivated for many years, however cut flowers are more often chosen for a gift than pot plants. Whereas a significant part of building material market customers cultivate flowers pot plants for a short time, and they buy pot plants for a gift as often as cut flowers. Among plants with flowers Phalaenopsis and Anthurium are selected most frequently, and Zamioculcas and Yucca among plants with decorative foliage. While choosing plants, buyers are guided by the overall appearance and price.

  8. Domestic Interiors, Decorative Objects and their Multiple Temporalities : The Case of the Dutch Modernist Novel

    NARCIS (Netherlands)

    Verstraeten, Pieter


    In reaction to Marvin Trachtenberg’s ideas about the atemporal and chronicidal nature of modernist architecture (2010), this article charts the temporal heterogeneity characteristic of the domestic interior as it is represented in the Dutch modernist novel in the interwar period. Although, on par

  9. Contact allergy to finished woods in furniture and furnishings: a small allergic contact dermatitis epidemic to western red cedar in sauna interior decoration. (United States)

    Huilaja, L; Kubin, M E; Riekki, R


    Allergic contact dermatitis caused by wood dust remains uncommon and most cases are occupational. Contact allergy to finished wooden products is even more rare and only few cases of contact dermatitis to wooden furnishings and furniture are described. During 2012-2014 surprisingly many patients with dermatitis associated to sauna baths were referred to our clinic. We report three novel cases with allergic contact dermatitis to western red cedar due to exposure during sauna baths. Three cases of non-occupational contact dermatitis to western red cedar were confirmed by patch testing. Allergic contact dermatitis to interior decoration or furniture is a rarity, but can be induced by novel exposures, like western red cedar in sauna interior decoration. © 2015 European Academy of Dermatology and Venereology.


    DEFF Research Database (Denmark)

    Hvejsel, Marie Frier

    Dealing with the general theme of domestic architectural quality, the PhD thesis ‘INTERIORITY’ takes its point of departure in the continuous and increasing need to improve our capability as architects to theoretically articulate the intangible concept of quality, and to reveal it through an active...... been motivated by the particular hypothesis that an introduction of the notion of interiority, as an ability of the spatial envelope itself to address the sensuous scale of furniture, unfolds a particular dual critical potential signifying our experience of domestic architectural quality: On the one......, tectonically. Hence, it has been a particular idea of the study to explore the relation between furniture, the spatial envelope itself, and its construct by using furniture as an architectural concept. Consequently, the thesis has specifically investigated whether this notion of interiority, describing...

  11. Application of Glass Fiber Reinforced Cement in Exhibition Decoration Project (United States)

    Wang, Yao


    Through the study of GRC material and its application field, the aesthetic characteristics and functional characteristics of GRC materials are demonstrated. The decorative application and technology of GRC material in an art exhibition center are highlighted. The design, application and construction technology of GRC curtain wall and ceiling board in the interior and exterior decoration of art exhibition hall are discussed in detail. The unique advantages of GRC materials in exhibition engineering decoration are fully reflected. In practical design application, the application principle and method are summarized, and an application procedure is formed. The research proves that GRC materials in the art of building decoration engineering has an underrated advantage.

  12. Historical origins of Petrykivsky decorative painting

    Directory of Open Access Journals (Sweden)

    T. A. Harkava


    in Kiev, Moscow, Leningrad. Their students and followers are well-known now masters G. Prudnykov, V. Kucherenko, V. Sokolenko, F. Panko, E. Klyupa, I. Zavgorodniy Z. Kudish, M. Shyshatska, N. Szulik and others. The two-year school of decorative painting was opened in Petrikivka village in 1936, first teachers there were O. Stativa A. and T. Pata. There are a lot of exhibitions, Petrikivsky decorative painting is being introduced abroad. In 1958 F. Panko gathered some masters into the plant of varnished production, which was later modified into the factory of artistic products  «Druzhba». Experimental art studio, organized by him in 1970, was converted into  the center of folk art «Petrykivka» in 1991.  Due to its high decorative properties, Petrikivsky decorative painting blends into the exterior and interior of modern buildings both by walls painting and by the use of paintings and dishes. It is used in advertising, printing and souvenir production. In 2013 Petrykivsky decorative painting was declared an intangible cultural heritage of humanity by UNESCO.

  13. Basic Cake Decorating Workbook. (United States)

    Bogdany, Mel

    Included in this student workbook for basic cake decorating are the following: (1) Drawings of steps in a basic way to ice a layer cake, how to make a paper cone, various sizes of flower nails, various sizes and types of tin pastry tubes, and special rose tubes; (2) recipes for basic decorating icings (buttercream, rose paste, and royal icing);…

  14. The Effects of Interior Design on Communication and Impressions of a Counselor in a Counseling Room (United States)

    Miwa, Yoshiko; Hanyu, Kazunori


    This study aimed to investigate effects of the interior design of a counseling room on participants' self-disclosure and impressions of a counselor. The authors examined the effects of lighting and decorations. It tested four conditions crossing decorations (with or without home-like decorations) and type of lighting (bright or dim). Eighty…

  15. Vibrant Interior Reflects Lifestyle. 1974 Award Winning Architecture (United States)

    American School and University, 1974


    The design of the student center at Essex Community College in Baltimore County, Maryland, reflects youthful lifestyles in the interior decor while providing exterior design to harmonize with existing campus buildings. (Author/MF)

  16. Interior Design. (United States)

    Texas Tech Univ., Lubbock. Home Economics Curriculum Center.

    This document contains teacher's materials for an eight-unit secondary education vocational home economics course on interior design. The units cover period styles of interiors, furniture and accessories, surface treatments and lighting, appliances and equipment, design and space planning in home and business settings, occupant needs, acquisition…

  17. Complications of decorative tattoo. (United States)

    Shinohara, Michi M


    Decorative tattoo is a popular practice that is generally safe when performed in the professional setting but can be associated with a variety of inflammatory, infectious, and neoplastic complications, risks that may be increased with current trends in home tattooing. Modern tattoo inks contain azo dyes and are often of unknown composition and not currently regulated for content or purity. Biopsy of most (if not all) tattoo reactions presenting to the dermatologist is recommended, given recent clusters of nontuberculous mycobacterial infections occurring within tattoo, as well as associations between tattoo reactions and systemic diseases such as sarcoidosis. Copyright © 2016 Elsevier Inc. All rights reserved.

  18. Operational features of decorative concrete (United States)

    Bazhenova, Olga; Kotelnikov, Maxim


    This article deals with the questions of creation and use of decorative and finishing concrete and mortar. It has been revealed that the most effective artificial rock-imitating stone materials are those made of decorative concrete with the opened internal structure of material. At the same time it is important that the particles of decorative aggregate should be distributed evenly in the concrete volume. It can be reached only at a continuous grain-size analysis of the aggregate from the given rock. The article tackles the necessity of natural stone materials imitation for the cement stone color to correspond to the color of the rock. The possibility of creation of the decorative concrete imitating rocks in the high-speed turbulent mixer is considered. Dependences of durability and frost resistance of the studied concrete on the pore size and character and also parameters characterizing crack resistance of concrete are received.

  19. Listening to objects: an ecological approach to the decorative arts

    Directory of Open Access Journals (Sweden)

    Erin J. Campbell


    Full Text Available To transcend the divisions in art historical research between high art and decorative art, this study proposes an ecological approach. Drawing on research in the social sciences and humanities, and using the early modern domestic interior as a case study, the essay develops the concepts of environment, ecology, meshwork, assemblage, distributive agency, vital materiality, and matter as social performance, which appear in the work of political scientist Jane Bennett, feminist philosopher Karen Barad, sociologist Bruno Latour, anthropologist Tim Ingold, and others. As the study argues, such concepts provide a phenomenological, integrative, and non-hierarchical framework for the study of the decorative arts within the institutions and practices of art history, allowing art historians to analyse the processes through which the human and the material are intertwined.

  20. Decoration Increases the Conspicuousness of Raptor Nests. (United States)

    Canal, David; Mulero-Pázmány, Margarita; Negro, Juan José; Sergio, Fabrizio


    Avian nests are frequently concealed or camouflaged, but a number of species builds noticeable nests or use conspicuous materials for nest decoration. In most cases, nest decoration has a role in mate choice or provides thermoregulatory or antiparasitic benefits. In territorial species however, decorations may serve additional or complementary functions, such as extended phenotypic signaling of nest-site occupancy and social status to potential intruders. The latter may benefit both signaler and receiver by minimizing the risk of aggressive interactions, especially in organisms with dangerous weaponry. Support for this hypothesis was recently found in a population of black kites (Milvus migrans), a territorial raptor that decorates its nest with white artificial materials. However, the crucial assumption that nest decorations increased nest-site visibility to conspecifics was not assessed, a key aspect given that black kite nests may be well concealed within the canopy. Here, we used an unmanned aircraft system to take pictures of black kite nests, with and without an experimentally placed decoration, from different altitudes and distances simulating the perspective of a flying and approaching, prospecting intruder. The pictures were shown to human volunteers through a standardized routine to determine whether detection rates varied according the nest decoration status and distance. Decorated nests consistently showed a higher detection frequency and a lower detection-latency, compared to undecorated versions of the same nests. Our results confirm that nest decoration in this species may act as a signaling medium that enhances nest visibility for aerial receivers, even at large distances. This finding complements previous work on this communication system, which showed that nest decoration was a threat informing trespassing conspecifics on the social dominance, territory quality and fighting capabilities of the signaler.

  1. Perancangan Corporate Identity Brotherwood Decoration


    Ciputra, Ongky Permana; Bangsa, Petrus Gogor; Christianna, Aniendya


    Sebagai Perusahaan interior di Surabaya, “BROTHERWOOD” sedang membangun citra positif melalui penguatan corporate identity secara menyeluruh.Oleh karena itu “Brotherwood” memerlukan corporate identity dan mengaplikasikannya pada media promosi dan informasi yang sesuai dengan karakter dari target audience dan target market-nya.Dengan menggunakan corporate identity diharapkan “Brotherwood” menjadi lebih dikenal oleh target audience dan target market-nya sehingga membuat market “Brotherwood” men...

  2. Silver nanowire decorated heatable textiles (United States)

    Doganay, Doga; Coskun, Sahin; Polat Genlik, Sevim; Emrah Unalan, Husnu


    The modification of insulating fabrics with electrically conductive nanomaterials has opened up a novel application field. With the help of Joule heating mechanism, conductive fabrics can be used as mobile heaters. In this work, heatable textiles are fabricated using silver nanowires (Ag NWs). Cotton fabrics are decorated with polyol synthesized Ag NWs via a simple dip-and-dry method. The time-dependent thermal response of the fabrics under different applied voltages is investigated. It is found that the fabrics can be heated to 50 °C under an applied power density of as low as 0.05 W cm-2. Uniform deposition of Ag NWs resulted in the homogeneous generation of heat. In addition, the stability of the fabrics with time and under different bending and washing conditions is examined. Moreover, a simple control circuit is fabricated and integrated in order to demonstrate the high potential of the fabrics for mobile applications. This work provides a roadmap for researchers who would like to work on heatable textiles with metallic NWs.

  3. Interior intrusion detection systems

    Energy Technology Data Exchange (ETDEWEB)

    Rodriguez, J.R.; Matter, J.C. (Sandia National Labs., Albuquerque, NM (United States)); Dry, B. (BE, Inc., Barnwell, SC (United States))


    The purpose of this NUREG is to present technical information that should be useful to NRC licensees in designing interior intrusion detection systems. Interior intrusion sensors are discussed according to their primary application: boundary-penetration detection, volumetric detection, and point protection. Information necessary for implementation of an effective interior intrusion detection system is presented, including principles of operation, performance characteristics and guidelines for design, procurement, installation, testing, and maintenance. A glossary of sensor data terms is included. 36 figs., 6 tabs.

  4. Sustainable Commercial Interior Design


    Keane, Órla


    This dissertation looks at the environmental benefits of 3 key areas in relation to interior design: Energy, Water and Air; energy efficient lighting, water efficient plumbing fixtures and the effects of interior materials and finishes on indoor air quality. Qualitative research methodology: Extensive literature review of texts available on these topics, and also of the relevant building codes and environmental legislation applicable to Irish interior designers and the built environment. ...

  5. Interior intrusion detection systems

    International Nuclear Information System (INIS)

    Rodriguez, J.R.; Matter, J.C.; Dry, B.


    The purpose of this NUREG is to present technical information that should be useful to NRC licensees in designing interior intrusion detection systems. Interior intrusion sensors are discussed according to their primary application: boundary-penetration detection, volumetric detection, and point protection. Information necessary for implementation of an effective interior intrusion detection system is presented, including principles of operation, performance characteristics and guidelines for design, procurement, installation, testing, and maintenance. A glossary of sensor data terms is included. 36 figs., 6 tabs

  6. The Use of Decorative Styles of Woven Songket as a Source of Learning in the Course Textile Design and Decoration

    Directory of Open Access Journals (Sweden)

    Made Budhyani I Dewa Ayu


    Full Text Available The use of learning sources in the learning process greatly contributes to the achievement of its goal. The use of learning sources greatly affects the teaching and learning process. It is necessary to use different learning sources when creating a textile design in order to produce a quality product. The decorative style of woven songket can be used as one of the learning sources. The different decorative types of the woven songket contain aesthetic values. The decorative type of woven songket is a product of the crafter’s feeling, creativity, and intention inspired by the environment. The natural objects such as plants, animals, human beings, and geometric elements are stylized into the decorative forms. The decorative style used on the woven songket can be used as the learning source in order to create the decorative style in the course Textile Design and Decoration. There are several aesthetic elements which inspire where the decorative style is placed; they are composition, rhythm, balance, the harmonious layout of the decorative style, and the variation of the decorative style on the textile design. In general, the composition of the placement of the main object of the decorative style is more dominant on the piece of fabric. Rhythm and how the decorative style is composed are shown through the composition of the decorative motive forms such as how big and small they are, how high and low they are and how long and short they are. The ways in which the decorative motives and colors are entirely shown contribute to the harmony and placement of decorative style. The symmetric balance is used to create balance and avoid the impression of being biased. The placement of what the motives contain and how they are composed are used to determine the variation of the decorative style used. The placement of objects and the marginal decoration of the fabric also determine the variation used.

  7. Development of fire resistant, nontoxic aircraft interior materials (United States)

    Haley, G.; Silverman, B.; Tajima, Y.


    All available newly developed nonmetallic polymers were examined for possible usage in developing fire resistant, nontoxic nonmetallic parts or assemblies for aircraft interiors. Specifically, feasibility for the development of clear films for new decorative laminates, compression moldings, injection molded parts, thermoformed plastic parts, and flexible foams were given primary considerations. Preliminary data on the flame resistant characteristics of the materials were obtained. Preliminary toxicity data were generated from samples of materials submitted from the contractor. Preliminary data on the physical characteristics of various thermoplastic materials to be considered for either compression molded, injection molded, or thermoformed parts were obtained.

  8. Perancangan InteriorInterior World Center” di Surabaya


    Handojo, Renita Olivia


    Interior World Center is a place that contain all needs and matters related to world of interior. The main purpose of Interior World Center is to give access and facilitate people in fulfill their needs that concern and correspond with interior world, that is to say with combine and integrate several interior activity into one in corporated place. Inside of this building there are several commercial space related with the interior world. The commercial spaces will support each other in order ...

  9. Interior Space: Representation, Occupation, Well-Being and Interiority


    Power, Jacqueline


    This article will provide an overview of space as it is understood and engaged with from within the discipline of interior design/interior architecture. Firstly, the term interior will be described. Secondly, the paper will discuss space as a general concept, before exploring what space is speifically for the interior design/interior architecture discipline. How is space understood? What does space "look" like for interuior designers/interior architects?.

  10. Quantum decoration transformation for spin models

    International Nuclear Information System (INIS)

    Braz, F.F.; Rodrigues, F.C.; Souza, S.M. de; Rojas, Onofre


    It is quite relevant the extension of decoration transformation for quantum spin models since most of the real materials could be well described by Heisenberg type models. Here we propose an exact quantum decoration transformation and also showing interesting properties such as the persistence of symmetry and the symmetry breaking during this transformation. Although the proposed transformation, in principle, cannot be used to map exactly a quantum spin lattice model into another quantum spin lattice model, since the operators are non-commutative. However, it is possible the mapping in the “classical” limit, establishing an equivalence between both quantum spin lattice models. To study the validity of this approach for quantum spin lattice model, we use the Zassenhaus formula, and we verify how the correction could influence the decoration transformation. But this correction could be useless to improve the quantum decoration transformation because it involves the second-nearest-neighbor and further nearest neighbor couplings, which leads into a cumbersome task to establish the equivalence between both lattice models. This correction also gives us valuable information about its contribution, for most of the Heisenberg type models, this correction could be irrelevant at least up to the third order term of Zassenhaus formula. This transformation is applied to a finite size Heisenberg chain, comparing with the exact numerical results, our result is consistent for weak xy-anisotropy coupling. We also apply to bond-alternating Ising–Heisenberg chain model, obtaining an accurate result in the limit of the quasi-Ising chain.

  11. Decorative a-C:H coatings

    Czech Academy of Sciences Publication Activity Database

    Černý, F.; Jech, V.; Štěpánek, I.; Macková, Anna; Konvičková, S.

    roč. 256, 3 s. 1 (2009), s77-s81 ISSN 0169-4332 Institutional research plan: CEZ:AV0Z10480505 Keywords : a-C:H films * decorative coatings * adhesion Subject RIV: BM - Solid Matter Physics ; Magnetism Impact factor: 1.616, year: 2009

  12. Multifunctional CNTs nanohybrids decorated with magnetic and ...

    Indian Academy of Sciences (India)

    ation of new nanosystems and nanomaterials with advanced or even novel properties and functional advantages that are important for real-world applications (Khomutov. 2008). Therefore, over the years, considerable effort has been devoted to decorate carbon nanotubes with inorganic nanoparticles such as magnetic ...

  13. Multifunctional CNTs nanohybrids decorated with magnetic and ...

    Indian Academy of Sciences (India)

    Fe3O4/CNTs nanocomposites, which were prepared by polyol-medium in situ high-temperature decomposition of Fe()3 using PVP as stabilizing agent andmodified with SDS, were further decorated with high-quality ZnS nanocrystal via a wet technique in glycol solution. The obtained ZnS/Fe3O4/CNTs nanohybrids ...

  14. Studies in Interior Design (United States)

    Environ Planning Design, 1970


    Floor plans and photographs illustrate a description of the Samuel C. Williams Library at Stevens Institute of Technology, Hoboken, N.J. The unusual interior design allows students to take full advantage of the library's resources. (JW)

  15. Color in interior spaces


    Demirörs, Müge Bozbeyli


    Ankara : The Department of Interior Architecture and Environmental Design and the Institute of Fine Arts of Bilkent University, 1992. Thesis (Master's) -- -Bilkent University, 1992. Includes bibliographical references leaves 95-99. Color can be approached from different perspectives and disciplines such as, biology, theory, technology, and psychology. This thesis discusses color, from the stand point of interior spaces, which to some extent involves most of these discipli...

  16. College students' perceptions of sexual orientation and gender given job descriptions and titles for interior decoration, interior design, and architecture. (United States)

    Wood-Nartker, B Jeanneane; Sepanski, Jungsywan; McCrady, Joe; Gligor, Andreea


    To examine perceptions of design professionals, this study was designed to examine possible gender-bias based on job title and description and whether there is a relationship between the two perceptions. A respondent's sex was significantly related to perceptions of a design professional's sex. Both respondents' sex and the perceived sex of the design professional had significant effects on the perceived sexual orientation of the design professionals. Furthermore, the results also indicated that if the design professional was perceived to be male, there was a higher tendency that he would be perceived as homosexual, especially by a male respondent.

  17. The interactive optical fiber fabrics for smart interior environment (United States)

    Bai, Z. Q.; Dong, A. H.; Du, Z. Y.; Tan, J.


    Comparing to conventional textiles, interactive photonic textiles can emit light, present different colors, change the surface pattern and can interact with users. They are particularly suitable for decorative purpose. Home furniture is one possible application [1]. With attractive illumination and color effect, the photonic textiles can also be used in hotels, exhibition halls, restaurants and many other circumstances to enhance the interior environment. However, the functionality of the interactive photonic textile for interior purpose is still underdeveloped, since there are still sever challenges about how to improve the usability and functionality of the interactive textile. This project aims to study how to improve the interactive function of photonic textiles, which can enhance the well-being of the end-user. In the end, a color-changeable interactive cushion which can detect the main primary particulate matter (PM) 2.5 was developed.

  18. Semantic feature extraction for interior environment understanding and retrieval (United States)

    Lei, Zhibin; Liang, Yufeng


    In this paper, we propose a novel system of semantic feature extraction and retrieval for interior design and decoration application. The system, V2ID(Virtual Visual Interior Design), uses colored texture and spatial edge layout to obtain simple information about global room environment. We address the domain-specific segmentation problem in our application and present techniques for obtaining semantic features from a room environment. We also discuss heuristics for making use of these features (color, texture, edge layout, and shape), to retrieve objects from an existing database. The final resynthesized room environment, with the original scene and objects from the database, is created for the purpose of animation and virtual walk-through.

  19. Interior search algorithm (ISA): a novel approach for global optimization. (United States)

    Gandomi, Amir H


    This paper presents the interior search algorithm (ISA) as a novel method for solving optimization tasks. The proposed ISA is inspired by interior design and decoration. The algorithm is different from other metaheuristic algorithms and provides new insight for global optimization. The proposed method is verified using some benchmark mathematical and engineering problems commonly used in the area of optimization. ISA results are further compared with well-known optimization algorithms. The results show that the ISA is efficiently capable of solving optimization problems. The proposed algorithm can outperform the other well-known algorithms. Further, the proposed algorithm is very simple and it only has one parameter to tune. Copyright © 2014 ISA. Published by Elsevier Ltd. All rights reserved.

  20. Interior Design in Architectural Education (United States)

    Gurel, Meltem O.; Potthoff, Joy K.


    The domain of interiors constitutes a point of tension between practicing architects and interior designers. Design of interior spaces is a significant part of architectural profession. Yet, to what extent does architectural education keep pace with changing demands in rendering topics that are identified as pertinent to the design of interiors?…


    Directory of Open Access Journals (Sweden)

    Irina Solovyova


    Full Text Available Intuition enables individuals to develop an understanding of the structure of complex systems. In interior design many decisions are reached intuitively even though the process of formulating solutions may be argued rationally. Intuition is intrinsically intertwined with our collateral experiences, memories, and implicit thought. Design intuition draws on our entire experience, not only on what we consciously isolate as relevant information. In education we prohibit students from relying on their intuition and require solutions based on pure reason. The author of this paper argues for bringing intuitive decision making back into interior design as a legitimate design tactic.

  2. Interior design for dentistry. (United States)

    Unthank, M; True, G


    In the increasingly complex, competitive and stressful field of dentistry, effectively designed dental offices can offer significant benefits. Esthetic, functional and life-cycle cost issues to be considered when developing your interior design scheme include color, finishes, lighting, furnishings, art and accessories. An appropriately designed dental office serves as a valuable marketing tool for your practice, as well as a safe and enjoyable work environment. Qualified interior design professionals can help you make design decisions that can yield optimum results within your budget.

  3. Prefab-Interiority

    DEFF Research Database (Denmark)

    Frier, Marie; Fisker, Anna Marie; Kirkegaard, Poul Henning


    qualities is significantly dependent on our constructive ability to economically and production-technically join building elements. Consequently this paper explores the potential for developing interiority as a theory and design principle for transforming constructive challenges within prefab practice....../S. As a research result the paper suggests a positioning of interiority as a theory and design principle for developing a sensuous prefab practice......., and practical realm of prefabrication, leaving the produced houses as monotonous box-like constructions rather than inhabitable homes. But what are the sensuous qualities actually spatially defining a home, and how to formulate design principles for developing and revealing these qualities within prefab...

  4. Allergic reactions to decorative skin paintings. (United States)

    Nikkels, A F; Henry, F; Piérard, G E


    Dye mixtures containing henna, P-phenylenediamine (PPD), and indigo are applied to the skin in various parts of the world for religious purposes, social recognition or fun. To identify eventual allergens responsible for contact sensitization to skin decoration in three young children. Lesions remained strictly limited to the site painted during the summer holiday. None of the children had a previous history of contact dermatitis, but two of them suffered from severe seasonal allergic rhinoconjunctivitis. Patch testing revealed severe contact hypersensitivity to PPD in all three patients, and one child presented a positive prick test to 1% henna in water. The eruptions resolved following spontaneous elimination of the dyes and topical applications of corticosteroids, but left residual depigmentation. PPD is the main allergen identified in allergic reactions to decorative skin paintings.

  5. [Tooth decoration in pre-colombian America]. (United States)

    Pezzoli, M


    A form of body decoration that developed in precolombian America is described and examined. The vestibular face and shape of the front teeth were altered in various ways, details of which are clear from archaeological discoveries (crania, teeth, ceramics, and statues). The various technical, social and cultural aspects of this practice are discussed with reference to their place in a civilisation whose works are still admired today.

  6. Probing the Solar Interior

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education; Volume 3; Issue 3. Probing the Solar Interior Hearing the Heartbeats of the Sun. Ashok Ambastha. General ... Author Affiliations. Ashok Ambastha1. Joint In-Charge Udaipur Solar Observatory Physical Research laboratory P.O. Box No. 198 Udaipur 313 001, India ...

  7. Probing the Solar Interior

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education; Volume 3; Issue 3. Probing the Solar Interior Hearing the Heartbeats of the Sun. Ashok Ambastha. General Article Volume 3 Issue 3 March 1998 pp 18-31. Fulltext. Click here to view fulltext PDF. Permanent link:

  8. Decorated Ising models with competing interactions and modulated structures

    International Nuclear Information System (INIS)

    Tragtenberg, M.H.R.; Yokoi, C.S.O.; Salinas, S.R.A.


    The phase diagrams of a variety of decorated Ising lattices are calculated. The competing interactions among the decorating spins may induce different types of modulated orderings. In particular, the effect of an applied field on the phase diagram of the two-dimensional mock ANNNI model is considered, where only the original horizontal bonds on a square lattice are decorated. Some Bravais lattices and Cayley trees where all bonds are equally decorated are then studied. The Bravais lattices display a few stable modulated structures. The Cayley trees, on the other hand, display a large number of modulated phases, which increases with the lattice coordination number. (authors) [pt

  9. Architectural design, interior decoration, and three-dimensional plumbing en route to multifunctional nanoarchitectures. (United States)

    Long, Jeffrey W


    Ultraporous aperiodic solids, such as aerogels and ambigels, are sol-gel-derived equivalents of architectures. The walls are defined by the nanoscopic, covalently bonded solid network of the gel. The vast open, interconnected space characteristic of a building is represented by the three-dimensionally continuous nanoscopic pore network. We discuss how an architectural construct serves as a powerful metaphor that guides the chemist in the design of aerogel-like nanoarchitectures and in their physical and chemical transformation into multifunctional objects that yield high performance for rate-critical applications.

  10. Teaching Units for Consumer Home Economics. Topic: Housing and Interior Decorating, Bilingual/Spanish. (United States)

    Bernadt, Ruth

    The instructional aids in this packet were designed to be used by high school home economics teachers who have Spanish speaking students with limited English skills mainstreamed into their regular classes. The teaching aids can be used by both English and Spanish speaking students at the same time because both Spanish and English are presented on…

  11. Interior intrusion alarm systems

    International Nuclear Information System (INIS)

    Prell, J.A.


    In meeting the requirements for the safeguarding of special nuclear material and the physical protection of licensed facilities, the licensee is required to design a physical security system that will meet minimum performance requirements. An integral part of any physical security system is the interior intrusion alarm system. The purpose of this report is to provide the potential user of an interior intrusion alarm system with information on the various types, components, and performance capabilities available so that he can design and install the optimum alarm system for his particular environment. In addition, maintenance and testing procedures are discussed and recommended which, if followed, will help the user obtain the optimum results from his system



    Irina Solovyova


    Intuition enables individuals to develop an understanding of the structure of complex systems. In interior design many decisions are reached intuitively even though the process of formulating solutions may be argued rationally. Intuition is intrinsically intertwined with our collateral experiences, memories, and implicit thought. Design intuition draws on our entire experience, not only on what we consciously isolate as relevant information. In education we prohibit students from relying on t...

  13. Topological Luttinger liquids from decorated domain walls (United States)

    Parker, Daniel E.; Scaffidi, Thomas; Vasseur, Romain


    We introduce a systematic construction of a gapless symmetry-protected topological phase in one dimension by "decorating" the domain walls of Luttinger liquids. The resulting strongly interacting phases provide a concrete example of a gapless symmetry-protected topological (gSPT) phase with robust symmetry-protected edge modes. Using boundary conformal field theory arguments, we show that while the bulks of such gSPT phases are identical to conventional Luttinger liquids, their boundary critical behavior is controlled by a different, strongly coupled renormalization group fixed point. Our results are checked against extensive density matrix renormalization group calculations.

  14. Liquid Crystals in Decorative and Visual Arts (United States)

    Makow, David

    The following sections are included: * INTRODUCTION * PIGMENT AND STRUCTURAL COLOURS AND THEIR RELEVANCE TO LIQUID CRYSTALS * LIQUID CRYSTAL MATERIALS AND TECHNIQUES FOR DECORATIVE AND VISUAL ARTS * Free cholesteric liquid crystals (FCLC's) * Encapsulated liquid crystals (ECLC's) * Nonsteroid Chiral nematics * Polymers with liquid crystalline properties (PLCs) * COLOUR PROPERTIES OF CHOLESTERIC LIQUID CRYSTALS (CLC's) * Molecular structure and the mechanism of colour production * Dependence of perceived colours on the angle of illumination and viewing * Dependence of perceived colours on temperature * Additive colour properties * Methods of doubling the peak reflectance of cholesteric liquid crystals * Colour gamut * Colours of superimposed and pigmented coatings * Colours in transmission * ACKNOWLEDGEMENTS * REFERENCES

  15. 'Colored' and Decorative Contact Lenses: A Prescription Is a Must (United States)

    ... these looks with decorative contact lenses (sometimes called “fashion,” “costume,” or “colored” contact lenses). These lenses don’ ... Wear Decorative or “Colored” Contact Lenses An entertainment industry artist from American Horror Story and the FDA ...

  16. Interior of the Moon (United States)

    Weber, Renee C.


    A variety of geophysical measurements made from Earth, from spacecraft in orbit around the Moon, and by astronauts on the lunar surface allow us to probe beyond the lunar surface to learn about its interior. Similarly to the Earth, the Moon is thought to consist of a distinct crust, mantle, and core. The crust is globally asymmetric in thickness, the mantle is largely homogeneous, and the core is probably layered, with evidence for molten material. This chapter will review a range of methods used to infer the Moon's internal structure, and briefly discuss the implications for the Moon's formation and evolution.

  17. Pengaruh Elemen Interior Restoran terhadap Pengalaman Nostalgia Konsumen

    Directory of Open Access Journals (Sweden)

    Miranti Sari Rahma


    Full Text Available Selama beberapa tahun terakhir, restoran bertema "nostalgia" menjadi populer di Bandung. Penelitian ini bertujuan untuk mengeksplorasi unsur-unsur lingkungan yang disukai konsumen di restoran yang dapat mempengaruhi respon pengalaman nostalgia konsumen di restoran. Penelitian ini menggunakan metode deskriptif eksploratif untuk menentukan variabel yang dapat digunakan sebagai stimulus eksperimen berikutnya guna mendapatkan respon persepsi, emosi, dan sikap. Data hasil eksperimen dianalisis menggunakan ANOVA, menunjukkan bahwa (1 elemen interior restoran yang paling mempengaruhi pengalaman nostalgia konsumen di restoran; (2 meskipun gaya modern dapat membangkitkan respon persepsi, emosi dan sikap nostalgia, elemen dekoratif dan furnitur kolonial paling efektif dapat membangkitkan pengalaman nostalga; (3 ditemukan juga hubungan antara persepsi, emosi, dan sikap kaitannya dengan proses persepsi, emosi dapat mempengaruhi sikap konsumen di restoran, hal ini sejalan dengan mekanisme persepsi dimana kontribusi pengalaman masa lalu dapat membangkitkan emosi sehingga mempengaruhi persepsi dan munculnya sikap konsumen di restoran. Effect of Restaurant Interior Elements on Consumer Nostalgic Experience Abstract. In the last few years, ‘nostalgic’ restaurants have become quite popular in Bandung. This study was aimed at exploring interior elements that may evoke a nostalgic experience in consumers in a restaurant. In this study, an exploratory descriptive method was applied to determine the variables to be used as stimulus in the experiment to get perception, emotion, and attitude responses. The data of this research were analyzed by ANOVA and showed that: (1 interior elements of the restaurant influenced the nostalgic experience by consumers; (2 colonial decorative elements and colonial style furniture, even if other interior elements have a modern style, can evoke nostalgic perceptions, emotions, and attitudes; (3 a link was found between perceptions

  18. Penerapan Tipografi dalam Sistem Signage pada Interior Ruang Publik

    Directory of Open Access Journals (Sweden)

    Ulli Aulia Ruki


    Full Text Available Signage system is applied in interior public spaces with consideration to the basic of typography. The objective of signage system is to provide the user convenience in public spaces in order to reach destination while the user is in the building. The basic requirements for designing signage system are legibility and readability. There are still designers who are not aware about the importance of designing a signage system so that sometimes it is found only as decorative element. It is necessary to make the best use of the purpose of signage design, so an interior design should be more carefully in conducting research related to the application of signage system in public spaces. The applied typography has to be considered by its size, placement, colors, and materials to be used. This research used design thinking goal grid method that is suitable to examine the signage system in order to complete design objectives. Article focuses on how to design the signage system to accommodate information that was useful for the user in public space. At the end, there would be identified signage system’s function in interior public spaces as information, guidance, identification as well as safety regulation. 

  19. Concepts for particle foam based ultralight automotive interior parts (United States)

    Trassl, C.; Altstädt, V.; Schreier, P.


    The described concepts for modern automotive interior parts are based on polypropylene (PP). These interior parts have a core of expanded polypropylene particle foam (EPP) and a decorative layer of a thermoplastic polyolefin elastomer (TPO) film. Compared with conventional solutions in the field of automotive interior parts, they are characterised mainly due to the avoidance of material mixtures so that they have better recycling properties and are significantly lighter in spite of comparable crash behaviour. Because of the optimized combination of positive component properties (specifically, the rigidity of the carrier, lower density combined with the better crash behaviour of the EPP foam core and good haptic and optical properties of the film), the multi-material system compensates the disadvantages of the individual components. In addition, the integration of all process steps into a new single-step manufacturing process combined with the elimination of an additional surface treatment means that the new ultra-light concept should lead to a significant reduction in the costs and cycle time.

  20. 10 CFR 1050.201 - Policy against accepting foreign gifts or decorations. (United States)


    ... DECORATIONS Guidelines for Acceptance of Foreign Gifts or Decorations § 1050.201 Policy against accepting foreign gifts or decorations. (a) The Constitution of the United States, Article I, section 9, clause 8... 10 Energy 4 2010-01-01 2010-01-01 false Policy against accepting foreign gifts or decorations...

  1. Interior design and healing architecture

    DEFF Research Database (Denmark)

    Mogensen, Jeppe; Poulsen, Søren Bolvig; Hansen, Allan Grutt


    Hospital design is today influenced by the design concept healing architecture, stating that the patients’ healing process is promoted through accommodating physical surroundings. However, despite the increasing amount of research in the field of healing architecture, research on interior design...... and materials are rather limited. To compliment research in hospital interior design with particular focus on the use of interior textiles, this pilot study explores if the patients’ preferences for more home-like hospital interiors can be linked to a preference for textile-based furniture and materials...... the interpretation of the quantitative and qualitative data. 21% of the participants requested interior design improvements, and had a pronounced preference for the textile-based furniture and materials. For this particular group, the link between home-like hospital interiors and textile materials were thus...

  2. Les roues du ciel de Sucevița. Brève investigation multidisciplinaire sur un élément plastique décoratif de la fresque intérieure de l’église « La Résurrection de Jésus Christ » du monastère de Sucevița / The Wheels of the Sky of Suceviţa. Brief Multidisciplinary Investigation over a Decorative Artistic Element of the Interior Fresco of the Church The Resurrection of Jesus Christ of the Monastery of Suceviţa

    Directory of Open Access Journals (Sweden)

    Emilian Adrian Gavrilean


    Full Text Available The Wheels of the Sky of Suceviţa. Brief Multidisciplinary Investigation over a Decorative Artistic Element of the Interior Fresco of the Church The Resurrection of Jesus Christ of the Monastery of Suceviţa. In the study Suceviţa’s wheels of the sky I have undertaken a multidisciplinary investigation of some ornamental elements like the stars painted on the inside wall painting of “Învierea Domnului” Church of Suceviţa Monastery and which are quite common elements at first sight in the sacred art of the Romanian Middle Ages. These stars are spectacular due to their size, spontaneity and quantity of design in the „sky” and maybe, especially due to the structure and the painting manner chosen by painters. Suceviţa’s sky is unique among all the important churches and monasteries built by voivodes between the 15th and 17th century in the North of Moldova: the painters Ioan and Sofronie painted symmetrically lots of big stars with angles formed of six rays as thin from center to the end. By using a nail and a wire or a compass they sketched equally spaced circles on which they traced the angles of the stars. After the recent restoration we do not know for sure if the circles were also golden circles as the stars but with the lapse of time they have become noticeable and now we have the so-called wheels of the sky. “Suceviţa’s sky” uniqueness lies not only in the technical innovation regarding star representation but also in its ability to raise some questions: are the stars inscribed in the circle pure ornamental elements taken from somewhere or are they symbols within the context of the monumental assembly? Is their source of inspiration only technical or also ideological? Why take pains to sketch some circles which would become invisible? Could this have been sketched only to exercise a new technique ? If they sketched the circles only as a guide mark in order to paint the stars symmetrically, why did they leave the circles

  3. Asjadeküllane Decorate Life / Aili Ermel

    Index Scriptorium Estoniae

    Ermel, Aili


    Frankfurdis juulis toimunud tarbekaupade messist "Decorate Life". Noorte disainerite Kotaro Nishibori ja Sebastian Herkneri valgustid ning René Mülleri täispuidust tooted (firma Woodloops) tuppa ja terrassile

  4. Interior design conceptual basis

    CERN Document Server

    Sully, Anthony


    Maximizing reader insights into interior design as a conceptual way of thinking, which is about ideas and how they are formulated. The major themes of this book are the seven concepts of planning, circulation, 3D, construction, materials, colour and lighting, which covers the entire spectrum of a designer’s activity. Analysing design concepts from the view of the range of possibilities that the designer can examine and eventually decide by choice and conclusive belief the appropriate course of action to take in forming that particular concept, the formation and implementation of these concepts is taken in this book to aid the designer in his/her professional task of completing a design proposal to the client. The purpose of this book is to prepare designers to focus on each concept independently as much as possible, whilst acknowledging relative connections without unwarranted influences unfairly dictating a conceptual bias, and is about that part of the design process called conceptual analysis. It is assu...

  5. Lighting in the urban context case study: Exterior decorative lighting of St. Marko's Church in Belgrade

    Directory of Open Access Journals (Sweden)

    Đokić Lidija


    façade; Glass facades in daylight conditions reflect the surroundings creating an attractive effect, especially due to the intensity and color change of daylight. In night conditions, glass facades are adequate for negative lighting, enabling the transformation of the façade into a transparent surface exhibiting the building interior. St. Marko's Church in Belgrade is chosen as a case study, due to the fact that the quality of its exterior decorative lighting provided this building an attractive night presentation, strengthened its role as a city landmark and its significance in the panoramic view of the city. The range of possibilities, which can contribute to the presentation, and significance of a building in an urban context are presented through an analysis of different factors, which influenced the quality of exterior decorative lighting of St. Marko's Church. Excellent lighting quality was achieved through lamp color appearance and rendering, as well as through the position of the luminaries. The lighting rhythm follows the rhythm of the façade and allows moderate contrasts. Particular spot lighting is devoted to highly valuable details. The result is a luminance distribution which contributes in great deal to the recognition and expression of the building, as well as to the visual comfort of the observers. The dynamic expression and rhythm, which represent the two main characteristics of the façade of St. Marko's Church, are stressed by warm color of light and adequate luminance distribution on surfaces different in value. Dome lighting, greatly important for the panoramic view of St. Marko's Church, contributes as much to its experience from the immediate surroundings, as well as from the street view. The decorative lighting of St. Marko's Church represents a contribution to its appearance and the presentation of its architecture.

  6. Special Features of Using Secondary Materials in the Interior Design of Public Dining Establishments (United States)

    Kuznetsova, Irina; Hapchuk, Olena; Lukinov, Vitaly


    This article analyses the latest publications studying the use and practical application of secondary resources as raw materials in design. This analysis is based on the list of secondary resources and their applications in interior decoration. In particular, the interiors of public catering enterprises were analysed. Restaurants with different functional purposes that were classified into several categories with specific peculiarities of interior design were identified. This article presents and describes different types of public catering enterprises based on those categories. The interior design of a public catering enterprise is regarded as a considerably complex system. Different types of secondary materials were reviewed to identify the most frequently used materials for interior space design. This article describes the main peculiarities of the use of secondary materials and presents examples of their practical application. The function of secondary materials in the interior design of public catering enterprises were detected and reviewed. On the basis of the analysis, several directions for the practical application of our results in the field of public catering enterprise design were suggested.

  7. Pendokumentasian Aplikasi Ragam Hias Budaya Betawi pada Desain Interior Ruang Publik Café Betawi

    Directory of Open Access Journals (Sweden)

    Amarena Nediari


    Full Text Available Various ornaments of Indonesia come from the ethnic groups from all over the archipelago. Ornament is a tangible culture which has specific meaning and purposes. Its meaning does not change throughout the ages. Betawi culture has become cultural roots for most people in Jakarta which also as the capital city of Indonesia. Betawi culture is seen in a wide variety of dance, batik, decorative ornaments, and culinary. Betawi ornament can also be seen in the architecture and public areas since the geometrical shape is very easy to apply as interior element. The application of Betawi ornaments in a restaurant interior represents the idea of dining area in Betawi house. The study of Betawi ornaments was conducted by documentation of decorative elements in a restaurant as a public space. Objective of this research is to preserve various ornaments of Betawi culture. So that, the data can be valuable as an inspiration for designing restaurant interior with Betawi style. Generally, value of the ornaments has specific purposes related to Betawi’s cultural and social customs. Therefore, the application needs to consider more about the purpose of the symbol of the ornament. 

  8. Inscriptions on the Interior of the 30th Dynasty Coffin of Nefer-renepet from Akhmim

    Directory of Open Access Journals (Sweden)

    Branislav Anđelković


    Full Text Available The anthropoid wooden coffin with plinth (L. 183.5 cm, datable to the mid–4th century B.C. (30th Dynasty, names Nefer-renepet, a dancer of Min from Akhmim. This object represents one of the artistically and technically superior coffins produced by Late Period Egyptian coffin workshops. It was formerly part of the Amherst collection, and was purchased by Ernest Brummer at a Sotheby, Wilkinson & Hodge auction in London in 1921, then donated the same year to the National Museum in Belgrade. The interior of the lid is distinguished by a remarkable ‘gliding Nut motif with upward streaming hair’ (an extremely important iconographic element while the interior of the trough is dominated by a line drawing of Imentet wearing a diagonallyveined maat-feather on her head. The interior decoration includes inscriptions written on the side facets. Written hastily in whitish-yellow line on a rough ground of thick black pigment (in contrast to the fine outer decoration of the coffin these barely legible Stundenwachen texts, are nonetheless significant, and are to be identified as abbreviated texts derived from the Book of Day and Book of Night. They are a manifestation of Late Period magical symbolism stemming from New Kingdom funerary compositions. Their presence on the coffin, however hurried, was intended to ease Nefer-renepet’s passage through the netherworld. Since 1992 the coffin of Nefer-renepet is kept in the Archaeological Collection of the Faculty of Philosophy, University of Belgrade.

  9. Graviatoms with de Sitter Interior

    Directory of Open Access Journals (Sweden)

    Irina Dymnikova


    Full Text Available We present a graviatom with de Sitter interior as a new candidate to atomic dark matter generically related to a vacuum dark energy through its de Sitter vacuum interior. It is a gravitationally bound quantum system consisting of a nucleus represented by a regular primordial black hole (RPBH, its remnant or gravitational vacuum soliton G-lump, and a charged particle. We estimate probability of formation of RPBHs and G-lumps in the early Universe and evaluate energy spectrum and electromagnetic radiation of graviatom which can in principle bear information about a fundamental symmetry scale responsible for de Sitter interior and serve as its observational signatures.

  10. INTERIORITY - a prefab case study

    DEFF Research Database (Denmark)

    Hvejsel, Marie Frier

    and furnishing articulation hereof. In the second volume of the thesis; ‘INTERIORITY: a prefab case study’ this theory of interiority has been endeavored applied in a specific prefab project concerning the development of a novel prefab building system and housing series in collaboration with the Danish prefab......, tectonically. Hence, it has been a particular idea of the study to explore the relation between furniture, the spatial envelope itself, and its construct by using furniture as an architectural concept. Consequently, the thesis has specifically investigated whether this notion of interiority, describing...

  11. How Technology Influences Interior Design. (United States)

    McDavitt, Tish


    Examines telecommunication technology's influences on interior school design and effective learning, and discusses how to implement this technology into the school. Building the infrastructure to support telecommunications in an educational setting and the importance of effective lighting are discussed. (GR)

  12. Compressed Sensing Based Interior Tomography (United States)

    Yu, Hengyong; Wang, Ge


    While the conventional wisdom is that the interior problem does not have a unique solution, by analytic continuation we recently showed that the interior problem can be uniquely and stably solved if we have a known sub-region inside a region-of-interest (ROI). However, such a known sub-region does not always readily available, and it is even impossible to find in some cases. Based on the compressed sensing theory, here we prove that if an object under reconstruction is essentially piecewise constant, a local ROI can be exactly and stably reconstructed via the total variation minimization. Because many objects in CT applications can be approximately modeled as piecewise constant, our approach is practically useful and suggests a new research direction of interior tomography. To illustrate the merits of our finding, we develop an iterative interior reconstruction algorithm that minimizes the total variation of a reconstructed image, and evaluate the performance in numerical simulation. PMID:19369711

  13. The Value of Interior Design (United States)


    example, integrating lighting ( technology ) with VDT (workflow) can help reduce glare and stress (eye fatigue). Facilitate Individuality. Interior...warn of a would’be intruder. Specialty Systems. The continuous advancement of lighting technology provides several creative options for individually

  14. Mirador - Earth Surface and Interior (United States)

    National Aeronautics and Space Administration — Earth Science data access made simple. The goal of the Earth Surface and Interior focus area is to assess, mitigate and forecast the natural hazards that affect...

  15. Synthesis of goodness and beauty of Petrikivsky decorative painting

    Directory of Open Access Journals (Sweden)

    T. A. Harkava


    Full Text Available Petrykivsky decorative painting as a unique manifestation of Ukrainian national culture has been studied in the article. This painting is recognized all over the world as an intangible cultural heritage of humanity in the context of its philosophical principles. Petrykivsky decorative painting by its basis — murals,  reaches Tripoli and puts the Ukrainian culture among the ancient cultures of the world. At various stages of ethnos’ existence, Ukrainian folk decorative art was an important part of the spiritual life and reflected its identity, ensuring the continuity of spiritual connection between generations. Motives of Petrykivka decorative painting describe the local flora and fauna and the local historical tradition. Folk artists get their inspiration from the mother nature, traditional for the Ukrainian people worship to Mother-land and all beautiful things, which are created by it. However, Petrykivsky decorative painting is not a direct reflection of natural motifs. World, created in paintings, is the product of the imagination of folk artist. Calocagathia (synthesis of beauty and goodness of Petrykivsky school is seen in high spiritual and moral culture of the Ukrainian people, in their pursuit to improve the space of their life, to perpetuate the generous beauty of the world by the love to beauty and goodness in all its forms using a variety of colors and patterns.

  16. Surface decorated Fe3O4 nanoparticles for magnetic hyperthermia (United States)

    Gawali, Santosh L.; Barick, K. C.; Hassan, P. A.


    Magnetic nanoparticles have been widely investigated for their great potential in several biomedical applications such as magnetic hyperthermia, drug delivery and magnetic resonance imaging (MRI). We have developed a formulation in which the surface of Fe3O4 magnetic nanoparticles is decorated with succinic acid (SA) to provide enhanced colloidal stability in biological fluids while preserving their optimal magnetic properties. The successful surface decoration of particles with SA is evident from FTIR, TGA, DLS and zeta-potential measurements. XRD and TEM analysis revealed the formation of inverse spinel Fe3O4 nanoparticles of average size 10 nm. Our induction heating studies exhibited the excellent heating efficacy of these nanoparticles under applied AC magnetic field. The heating ability was found to be strongly dependent on the concentration of particles in magnetic suspension and applied AC magnetic field. Specifically, a novel water-dispersible surface decorated Fe3O4 nanoparticles formulation was developed for magnetic hyperthermia.

  17. Enhanced hydrogen storage by using lithium decoration on phosphorene

    Energy Technology Data Exchange (ETDEWEB)

    Yu, Zhiyuan; Wan, Neng, E-mail:, E-mail:; Lei, Shuangying, E-mail:, E-mail:; Yu, Hong [Key Laboratory of Microelectromechanical Systems of the Ministry of Education, Southeast University, Nanjing 210096 (China)


    The hydrogen storage characteristics of Li decorated phosphorene were systematically investigated based on first-principle density functional theory. It is revealed that the adsorption of H{sub 2} on pristine phosphorene is relatively weak with an adsorption energy of 0.06 eV. While this value can be dramatically enhanced to ∼0.2 eV after the phosphorene was decorated by Li, and each Li atom can adsorb up to three H{sub 2} molecules. The detailed mechanism of the enhanced hydrogen storage was discussed based on our density functional theory calculations. Our studies give a conservative prediction of hydrogen storage capacity to be 4.4 wt. % through Li decoration on pristine phosphorene. By comparing our calculations to the present molecular dynamic simulation results, we expect our adsorption system is stable under room temperature and hydrogen can be released after moderate heating.

  18. Calcium decorated and doped phosphorene for gas adsorption

    Energy Technology Data Exchange (ETDEWEB)

    Lalitha, Murugan; Nataraj, Yuvarani; Lakshmipathi, Senthilkumar, E-mail:


    Highlights: • Phosphorene exhibits n-type/p-type nature on decorating/doping calcium respectively. • Gas molecules (CH{sub 4}, CO{sub 2}, H{sub 2} and NH{sub 3}) are physisorbed on phosphorene. • Ca decorated Phosphorene is recommended for high density hydrogen storage applications. • Calcium doping on zigzag and armchair sites makes phosphorene more reactive. • CH{sub 4}, CO{sub 2}, H{sub 2} prefer Ca-doped on zigzag1 site, whereas ammonia prefers Ca-doped on armchair. - Abstract: In this paper, we present the results from first-principles study based on the electronic structure and adsorption characteristics of CH{sub 4}, CO{sub 2}, H{sub 2} and NH{sub 3} adsorbed on Ca decorated/doped phosphorene. Our study finds that phosphorene exhibits n-type behaviour on decorating calcium, and p-type on doping calcium. Gas molecules are physisorbed on both pristine and calcium-mediated phosphorene, visible through their lower binding energy and charge transfer values. Ca decorated phosphorene is suitable for hydrogen storage due to its higher binding energy for H{sub 2}. Ca doped structures shows increased binding affinity towards CH{sub 4} and NH{sub 3} in zigzag1 direction and armchair directions respectively. The extracts of our study implies that Ca doped phosphorene possess increased binding affinity towards gas molecules, and the results are highly helpful for gas adsorption and to design gas sensors based on calcium doped or decorated phosphorene.

  19. Microanalytical characterization of surface decoration in Majolica pottery

    International Nuclear Information System (INIS)

    Padilla, R.; Schalm, O.; Janssens, K.; Arrazcaeta, R.; Espen, P. van


    This paper presents the results of the characterization of the surface finishing works in archaeological pottery fragments belonging to several Majolica types. The homogeneity, thickness and inclusions of both ground glaze and color decorations were, among other characteristics, inspected by scanning electron microscopy X-ray analysis (SEM-EDX). The identification of the main constituents in the decoration motifs was performed by means of scanning micro X-ray fluorescence analysis. Additionally, compositional classification based on non-destructive quantitative analysis of the ground glaze was performed

  20. 75 FR 65067 - National Emission Standards for Hazardous Air Pollutant Emissions: Hard and Decorative Chromium... (United States)


    ... Air Pollutant Emissions: Hard and Decorative Chromium Electroplating and Chromium Anodizing Tanks... Decorative Chromium Electroplating and Chromium Anodizing Tanks; Group I Polymers and Resins; Marine Tank... Proposed Action NESHAP for: OECA contact \\1\\ OAQPS contact \\2\\ Hard and Decorative Chromium Scott Throwe...

  1. Seville City Hall Chapter Room ceiling decoration

    Directory of Open Access Journals (Sweden)

    Robador, M. D.


    Full Text Available The present article describes a chemical and physical study of the colour, chemical composition and mineral phases of the decorative materials in the Seville City Hall Chapter House ceiling. The findings showed that the inner most layer of material, calcite, was covered with white lead, in turn concealed under a layer of gilded bole. The ceiling underwent re-gilding, also over bole, due in all likelihood to wear on the original gold leaf. In the nineteenth century, the entire ceiling with the exception of the inscriptions was whitewashed with calcite and white lead. Silver was employed on King John I’s sword (coffer 27. Gold leaf was used to adorn the royal attributes: crowns, belts, sceptres, swords and rosary beads. The high reliefs were likewise gilded. The pigments identified on the ceiling adornments included azurite, malachite, vermilion and gas black. A lime and ground dolomite mortar was used throughout.

    El objetivo de este trabajo es el estudio de diferentes aspectos, como el color, la composición química y las fases mineralógicas presentes en los diferentes materiales que forman la ornamentación del techo de la Sala Capitular del Ayuntamiento de Sevilla, mediante métodos físicos y químicos. Nuestros resultados muestran que el dorado fue realizado sobre una capa de bol previamente depositada sobre una lámina de blanco de plomo que cubría un estrato de calcita. Posteriormente, y probablemente debido a alteraciones en el dorado original, el techo fue de nuevo dorado usando una técnica similar. En el siglo XIX, casi todo el techo, excepto las zonas con inscripciones, fue blanqueado usando una mezcla de calcita y blanco de plomo. Se empleó plata para cubrir la espada del rey Juan I (casetón 27. Finísimas láminas de oro se usaron para decorar los atributos reales: coronas, cinturones, cetros, espadas y rosarios. En diferentes partes de la decoración fueron detectados pigmentos como azurita, malaquita, bermellón y

  2. Interior Design Factors in Library Facilities. (United States)

    Jackson, Patricia Ann

    When planning the interior of a library facility, the planning team of librarian, library consultant, architect, and interior design consultant must focus attention on the basic principles of interior design and the psychological needs of the user. Colors for an interior should be selected with careful regard to space, light, and emotional and…


    International Nuclear Information System (INIS)

    Zeng, Li; Jacobsen, Stein B.


    In the past few years, the number of confirmed planets has grown above 2000. It is clear that they represent a diversity of structures not seen in our own solar system. In addition to very detailed interior modeling, it is valuable to have a simple analytical framework for describing planetary structures. The variational principle is a fundamental principle in physics, entailing that a physical system follows the trajectory, which minimizes its action. It is alternative to the differential equation formulation of a physical system. Applying the variational principle to the planetary interior can beautifully summarize the set of differential equations into one, which provides us some insight into the problem. From this principle, a universal mass–radius relation, an estimate of the error propagation from the equation of state to the mass–radius relation, and a form of the virial theorem applicable to planetary interiors are derived.

  4. Functional textiles in hospital interiors

    DEFF Research Database (Denmark)

    Mogensen, Jeppe

    This PhD thesis explores the possibilities and design qualities of using functional textiles in the interior of hospital environments, and is the result of a three years collaboration between Aalborg University, Department of Civil Engineering, and VIA University College, VIA Design. The project...... that the physical environments affect the patients’ level of stress and influence their process of recovery and healing. However, although research in this field of hospital design has increased substantially in recent years, knowledge on the use of new materials and textiles in hospital interiors is still rather...... limited. Concerned with the design potentials of using textiles in hospital interiors, the purpose of the PhD project has been to explore the possibilities and design qualities of using these materials in hospital design. Relating to both technical and aesthetic aspects of using functional textiles...

  5. The decorative scheme of the Royal Pavilion, Brighton: George IV’s design ideas in the context of European colour theory, 1765 – 1845


    Loske, Alexandra


    This thesis investigates the use of colour in the interior decorations of the Royal Pavilion, Brighton. The building was created between 1785 and c.1823 by the Prince of Wales (1762 – 1830), later Prince Regent and George IV. The main aims of the thesis are firstly, to analyse the intense colour scheme of the building and set it in the historical context of colour theory and pigment production, and secondly, to establish to what extent personal tastes and fashion influenced these designs.\\ud ...

  6. Interior design for passive solar homes (United States)

    Breen, J. C.


    The increasing emphasis on refinement of passive solar systems brought recognition to interior design as an integral part of passive solar architecture. Interior design can be used as a finetuning tool minimizing many of the problems associated with passive solar energy use in residential buildings. In addition, treatment of interior space in solar model homes may be a prime factor in determining sales success. A new style of interior design is evolving in response to changes in building from incorporating passive solar design features. The psychology behind passive solar architecture is reflected in interiors, and selection of interior components increasingly depends on the functional suitably of various interior elements.

  7. Interior design for passive solar homes

    Energy Technology Data Exchange (ETDEWEB)

    Breen, J. C.


    The increasing emphasis on refinement of passive solar systems has brought recognition to interior design as an integral part of passive solar architecture. Interior design can be used as a finetuning tool minimizing many of the problems associated with passive solar energy use in residential buildings. In addition, treatment of interior space in solar model homes may be a prime factor in determining sales success. A new style of interior design is evolving in response to changes in building form incorporating passive solar design features. The psychology behind passive solar architecture is reflected in interiors, and selection of interior components increasingly depends on the functional suitability of various interior elements.

  8. Dewatering tailings impoundments : interior drains

    International Nuclear Information System (INIS)

    Charlie, W.A.; Doehring, D.O.; Durnford, D.S.


    For the design of a new uranium tailings impoundment in the western United States, it was proposed that an interior drainage system be considered to economically and reliably minimize potential short- and long-term environmental impacts. The objectives were to decrease the effective hydraulic head on the clay liner, to dewater and stabilize the tailings, and to increase the amount of water recycled to the mill. In addition, desaturation of the impoundment would induce capillary pressure (negative porewater pressure), further reducing the potential movement of dissolved pollutants. This paper presents saturated and unsaturated seepage principles and reviews the concept, criteria and design of the various interior drainage systems considered

  9. Integrating Sustainability in Interior Design Studio


    Karslı, Umut Tuğlu


    Teaching methods on concept of sustainability are frequently searched in the interior architecture education. The purpose of this study is to propose a model for integrating sustainability in interior design studio. In this context, the first part of the research defines relationship between sustainability and interior architecture and determines sustainable interior design principles. In the second part, an interior design studio model is proposed and principles determined in the first part ...

  10. Assessment of climate induced damage in decorated oak wooden panels

    NARCIS (Netherlands)

    Ekelund, S.E.; Luimes, R.A.; Gauvin, C.A.F.; Van Duin, P.H.J.C.; Jorissen, A.J.M.; Ankersmit, H.A.; Suiker, A.S.J.; Groves, R.M.; Schellen, H.L.


    Climate induced damage in decorated oak wooden panels is considered to be a high risk for the preeminent museum collections. To advise museums on the development of future sustainable preservation strategies and to define rational guidelines for indoor climate specifications, climate induced

  11. Hydrogen adsorption on N-decorated single wall carbon nanotubes

    International Nuclear Information System (INIS)

    Rangel, Eduardo; Ruiz-Chavarria, Gregorio; Magana, L.F.; Arellano, J.S.


    Using density functional theory and molecular dynamics we found that N-decorated single walled (8,0) carbon nanotubes are potential high capacity hydrogen storage media. This system could store up to 6.0 wt% hydrogen at 300 K and ambient pressure, with average adsorption energy of -80 meV/(H 2 ). Nitrogen coverage was C 8 N.

  12. Bitter decoration and magneto-optical observations of vortex chains ...

    Indian Academy of Sciences (India)

    by making Bitter decorations in two groups of samples; overdoped BSCCO and underdoped YBCO. In an extremely overdoped BSCCO (Tc = 68 K), we find ..... cake and Josephson vortices is realized in highly anisotropic superconductor. Bi2Sr2CaCu2O8+y. The fundamental energy scale for the attractive interactions.

  13. The Decorated School: Past Potency and Present Patronage (United States)

    Burke, Catherine


    The Decorated School is an interdisciplinary research network funded by the Arts and Humanities Research Council. The article situates current academic and wider community engagement concerning the purpose and significance of art as part of the school building and grounds in an historical context. It goes on to discuss emerging patterns of…

  14. Decoration of Multi-walled Carbon Nanotubes by Metal ...

    African Journals Online (AJOL)

    The powder patterns of the as-prepared and acid treated MWCNTs are shown by the XRD spectra. The TEM results show the microstructure of the multi-walled carbon nanotubes well decorated with metal nanoparticles (Cu, Fe, Ni) and metal oxides (CuO, Fe2O3, NiO), while the SEM show the surface morphology.

  15. Fourth Aircraft Interior Noise Workshop (United States)


    distributions of tha A-weighted interior noise for tha four investigated tunvd diaper arrangements tor a simulated piopallei noisa with 10SO RPM are...Schiphol, The Netherlands 5) Matr.i Sap Imagerie at Informatique, St. Quentin en Yvelines, Franc* C) Rason Systea A/S, Slangarup, Denmark 7

  16. Crash simulations for interior design

    NARCIS (Netherlands)

    Poeze, E.; Slaats, P.M.A.


    With the increasing number of compact cars, safety aspects becomes increasingly important for interior designs. The smaller dimensions of these cars do not only decrease the car mass, but also the energy absorption length, resulting in a more severe crash pulse. As a consequence, the inertia loading

  17. Interior Design: Teacher's Instructional Guide. (United States)

    Hays, Tricia

    This teacher's instructional guide, which is part of a family and consumer sciences education series focusing on a broad range of employment opportunities, is intended to assist teachers responsible for teaching one- and two-year interior design programs for Texas high school students. The following are among the items included: (1) introductory…

  18. Interior Design Trends in Libraries. (United States)

    Sager, Don, Ed.


    Four contributing authors discuss perspectives on current trends in library interior design. Articles include: "Trends in Library Furnishings: A Manufacturer's Perspective" (Andrea Johnson); "Libraries, Architecture, and Light: The Architect's Perspective" (Rick McCarthy); "The Library Administrator's Perspective" (Chadwick Raymond); and "The…



    ÖZSAVAŞ, Nilay


    In this study, it is mentioned about color that is a keyfactor of interior architecture profession. Firstly, space perception, colorand space interaction, effects of space, color and user relationship is explainedexcept color theories and definitions. Within this scope these are scrutinizingboth perception of color in the space and material and lighting issues thathave a big role in perception. Recent searches, practice methods and evaluationwith examples play a part in this article. It is ai...

  20. Detritus decorations of an orb-weaving spider, Cyclosa mulmeinensis (Thorell): for food or camouflage? (United States)

    Tan, Eunice J; Li, Daiqin


    Many species of the orb-web spider genus Cyclosa often adorn their webs with decorations of prey remains, egg sacs and/or plant detritus, termed ;detritus decorations'. These detritus decorations have been hypothesised to camouflage the spider from predators or prey and thus reduce predation risk or increase foraging success. In the present study, we tested these two alternative hypotheses simultaneously using two types of detritus decorations (prey remain and egg sac) built by Cyclosa mulmeinensis (Thorell). By monitoring the possible responses of predators to spiders on their webs with and without decorations in the field, we tested whether web decorations would reduce the mortality of spiders. Wasp predators were observed to fly in the vicinity of webs with decorations slightly more often than in the vicinity of webs without decorations but there were very few attacks on spiders by wasps. By comparing the insect interception rates of webs with and without decorations in the field, we tested whether web decorations would increase the foraging success. Webs decorated with prey remains or egg sacs intercepted more insects than those without in the field. By calculating colour contrasts of both prey-remain and egg-sac decorations against spiders viewed by bird (blue tits) and hymenopteran (e.g. wasps) predators as well as hymenopteran (bees) prey, we showed that C. mulmeinensis spiders on webs with egg-sac decorations were invisible to both hymenopteran prey and predators and bird predators over short and long distances. While spiders on webs with prey-remain decorations were invisible to both hymenopterans and birds over short distances, spiders on webs with prey-remain decorations were visible to both predators and prey over long distances. Our results thus suggest that decorating webs with prey remains and egg sacs in C. mulmeinensis may primarily function as camouflage to conceal the spider from insects rather than as prey attractants, possibly contributing to

  1. Creating Library Interiors: Planning and Design Considerations. (United States)

    Jones, Plummer Alston, Jr.; Barton, Phillip K.


    Examines design considerations for public library interiors: access; acoustical treatment; assignable and nonassignable space; building interiors: ceilings, clocks, color, control, drinking fountains; exhibit space: slotwall display, floor coverings, floor loading, furniture, lighting, mechanical systems, public address, copying machines,…

  2. Colour terms in the interior design process


    Attiah, DY; Cheung, TLV; Westland, S; Bromilow, D


    Colour is a very important topic that interior designers need to consider. Considerable research has been conducted in the area of colour application in interior design; in this study we are concerned with colour terms in interior design, mainly the terms designers use and know about. Fifteen interior designers with varied professional backgrounds, but based in the Middle East (Saudi Arabia, Dubai, Bahrain, Lebanon, Egypt, and Turkey), were interviewed. Previously we reported that fourteen ou...

  3. First-principles study of Li decorated coronene graphene (United States)

    Zhang, Yafei; Cheng, Xinlu


    We use the first-principles calculation based on density functional theory (DFT) to investigate the hydrogen storage of Li decorated coronene graphene. Our result indicates that single Li atom can adsorb three H2 molecules and the adsorption energy per H2 is -0.224 eV. When four Li atoms doped, the largest hydrogen gravimetric density is 6.82 wt.% and this is higher than the 2017 target by the US department of energy (DOE). Meanwhile, the adsorption energy per H2 is -0.220 eV, which is suitable for H2 molecules to store. Therefore, Li decorated coronene graphene will be a candidate for hydrogen storage materials in the future.

  4. Antifungal Applications of Ag-Decorated Hydroxyapatite Nanoparticles

    Directory of Open Access Journals (Sweden)

    C. A. Zamperini


    Full Text Available Pure hydroxyapatite (HA and hydroxyapatite decorated with silver (HA@Ag nanoparticles were synthesized and characterized. The antifungal effect of HA@Ag nanoparticles in a distilled water solution was evaluated against Candida albicans. The origin of the antifungal activity of the HA@Ag is also discussed. The results obtained showed that the HA nanorod morphology remained the same with Ag ions decorations on the HA structure which were deposited in the form of nanospheres. Interaction where occurred between the structure and its defect density variation in the interfacial HA@Ag and intrafacial HA region with the fungal medium resulted in antifungal activity. The reaction mechanisms involved oxygen and water adsorption which formed an active complex cluster. The decomposition and desorption of the final products as well as the electron/hole recombination process have an important role in fungicidal effects.

  5. Antimicrobial activity of tantalum oxide coatings decorated with Ag nanoparticles

    Energy Technology Data Exchange (ETDEWEB)

    Cao, Huiliang, E-mail:; Meng, Fanhao; Liu, Xuanyong, E-mail: [State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050 (China)


    Silver plasma immersion ion implantation was used to decorate silver nanoparticles (Ag NPs) on tantalum oxide (TO) coatings. The coatings acted against bacterial cells (Staphylococcus epidermidis) in the dark by disrupting their integrity. The action was independent of silver release and likely driven by the electron storage capability of the Schottky barriers established at the interfaces between Ag NPs and the TO support. Moreover, no apparent side effect on the adhesion and differentiation of rat bone mesenchymal stem cells was detected when using Ag NPs-modified TO coatings. These results demonstrate that decoration of tantalum oxide using Ag NPs could be a promising procedure for improving the antibacterial properties for orthopedic and dental implants.

  6. Decoration of dislocations by proton irradiation of halite

    International Nuclear Information System (INIS)

    Bird, J.R.; Rose, A.; Wilkins, R.W.T.


    Proton irradiation of halite (NaCl) at temperatures in the range 150-220 0 C produces a variety of colours from yellow/brown through blue to violet/red. Under suitable conditions, colour bands are formed which decorate dislocations and colour other crystal features. One beam line of the Lucas Heights 3 MV Van de Graaff accelerator has been adapted to permit the measurement of optical absorption spectra during proton irradiation of heated crystals. The results show that colour centre formation is a more complex process than has been previously reported, even for synthetic NaCl crystals. The dependence of absorption at various wavelengths on dose, dose rate, temperature, strain and exposure to light is being used to study the different quasi-equilibrium concentrations of colour centres involved in the decoration process. Proton induced X-ray measurements provide information on the presence of impurities which can have an important influence on colour centre formation. (orig.)

  7. Raman Spectroscopic Study on Decorative Glasses in Thailand

    International Nuclear Information System (INIS)

    Won-In, K.; Ponkrapan, S.; Dararutana, P.


    Glasses have been used as decorative objects in Thailand for several hundred years. Decorative glasses can generally be seen as architectural components in old styled palaces and Buddhist objects. There were various colors ranging from transparent to amber, blue, green and red with different shades among glass of different colors. Fragments of archaeological glass samples were characterized for the first time using Raman microscopy with the aim of obtaining information that would lead to identification of the glass samples by means of laser scattering. The samples were also investigated using other techniques, such as particle induced X-ray emission spectroscopy and scanning electron microscope operated with energy dispersive X-ray fluorescence spectrometer. They were mostly lead-silica based glasses. The colors resulted from metal ions. The difference in chemical composition was confirmed by Raman signature spectra. (author)

  8. Market Aspects of an Interior Design Program. (United States)

    Gold, Judy E.

    A project was conducted to evaluate a proposed interior design program in order to determine the marketability (job availability in the field of interior design and home furnishings merchandising) and the feasibility (educational requirements for entrance into the interior design and home furnishings merchandising job market) of the program. To…

  9. State Skill Standards: Housing and Interior Design (United States)

    Nevada Department of Education, 2008


    Meeting the Housing and Interior Design Standards will provide students with skills for personal family life and towards becoming a professional in the interior design field. The mission of Housing and Interior Design education is to prepare students for family life, work life, and careers in the fashion industry by creating opportunities to…





    Todo projeto de design que promete mudanças deve, afinal, comunicar-se de uma maneira eficiente com seu público. E todo projeto sustentável deve tornar clara a sua sugestão de transformação da sociedade. Mais que modelar formas e funções, designers criam idéias e propostas, que seus consumidores ou usuários finais percebem ou não. Portanto, esse novo valor simbólico conferido pelo design, aqui neste trabalho chamado de valor sustentável, deve ser visto como uma oportunidade ...

  11. Features of decorative art in the Stavropol region

    Directory of Open Access Journals (Sweden)

    Kalabuhova E. V.


    Full Text Available the article considers the specifics of the decorative arts in the Stavropol region. The creative efforts of artists and arts collectives of the enterprises – folk traditions continue to evolve in a new form in modern products. Today the art and crafts presented by such products as Kislovodsk porcelain, rugs, carpets, embroidery, Souvenirs. A reflection of the continuous creative search and new discoveries of artist was the technique of enamel.

  12. Scientific studies on decorated mud mortar of Ajanta


    M. Singh; B.R. Arbad


    This study is an attempt to reveal the decorated earthen plaster of Ajanta. The mud plaster of Ajanta caves has been analyzed with the help of physical and analytical tools. The results indicate that high silt (>70%) low clay soil may have been mixed purposefully with lime (calcite) for the reason to enhance the cementing characteristics. The presence of calcium oxalate was detected from FTIR spectra may have been the resultant product of proteic materials presented in mud plaster. Ferrugineo...

  13. Metallogel formation in aqueous DMSO by perfluoroalkyl decorated terpyridine ligands. (United States)

    Tatikonda, Rajendhraprasad; Bhowmik, Sandip; Rissanen, Kari; Haukka, Matti; Cametti, Massimo


    Terpyridine based ligands 1 and 2, decorated with a C8F17 perfluorinated tag, are able to form stable thermoreversible gels in the presence of several d-block metal chloride salts. The gel systems obtained have been characterized by NMR, X-ray diffraction, electron microscopies and Tgel experiments in order to gain insights into the observed different behaviour of the two similar ligands, also in terms of the effect of additional common anionic species.

  14. The Distinction of Ornament and Decoration in Architecture

    Directory of Open Access Journals (Sweden)

    Fatemeh Ahani


    Full Text Available Ornament has been present throughout the recorded history, revealing human's aspirations, reflections and imaginations. Correspondingly, the discussion of ornament has almost uninterruptedly been a major topic for architectural discourses; one which has led to the publication of several significant texts in which ornamental practices has been addressed from a variety of perspectives. An investigation into the key architectural texts however, reveals that the absence of a certain definition of ornament and its functions in architecture as well as the interchangeable use of the terms 'decoration' and ornament as synonyms, have always been a serious obstacle to reach a clear conception of ornament nature . In this regard, the present paper attempted to distinguish between 'ornament' and 'decoration' based on a comparative analysis of the scholars’ accounts and the way the terms were employed in the architectural texts. Results indicated that the aforementioned concepts can be distinguished by means of seven criteria including components, connection, reference source, role, field of application and reference mode. According to the most referred criteria, ornament is an essential part of architecture which creates a firm bonding with its carrier and often fulfills functions more than aesthetic one .It is mostly made up of transformed motifs and evokes natural forces that originate deeply beyond or within the body of building. Decoration on the other hand, is a pleasing arrangement of real things; a suggestion of the decorous which does not have a permanent connection with its carrier. It is also purely representational, due to its reference to external matters such as mythology, religion, history, or cultural practice.

  15. Preparation and antibacterial property of silver decorated carbon microspheres (United States)

    Li, Sha; Yan, Xiaoliang; Yang, Zhi; Yang, Yongzhen; Liu, Xuguang; Zou, Jing


    Carbon microspheres (CMSs) were prepared by glucose hydrothermal method. The effects of glucose concentration and reaction time on the size and morphology of CMSs were studied. CMSs with surface area of 642.5 m2/g and pore size of 0.8 nm were exploited to design hybrid material of CMSs with Ag decoration by radio frequency plasma (RF plasma). A series of investigations using X-ray diffraction, UV-vis spectrometry, Fourier transform infrared spectrometry, X-ray photoelectron spectrometry, thermogravimetric analysis, scanning electron microscopy, energy dispersive X-ray spectroscopy, and transmission electron microscopy was carried out to characterize the Ag decorated CMSs. RF plasma was employed to reduce Ag+ ions to metallic nano-particles with the particle size of 10-20 nm and form a clean metal-support (Ag-CMSs) interface. The mechanism for the structure formation of Ag decorated CMSs was discussed. Plasma produced Ag/CMSs showed antibacterial property and proved suitable for potential biological and environmental applications.

  16. Optical nonlinearity enhancement with graphene-decorated silicon waveguides (United States)

    Ishizawa, Atsushi; Kou, Rai; Goto, Takahiro; Tsuchizawa, Tai; Matsuda, Nobuyuki; Hitachi, Kenichi; Nishikawa, Tadashi; Yamada, Koji; Sogawa, Tetsuomi; Gotoh, Hideki


    Broadband on-chip optical frequency combs (OFCs) are important for expanding the functionality of photonic integrated circuits. Here, we demonstrate a huge local optical nonlinearity enhancement using graphene. A waveguide is decorated with graphene by precisely manipulating graphene’s area and position. Our approach simultaneously achieves both an extremely efficient supercontinuum and ultra-short pulse generation. With our graphene-decorated silicon waveguide (G-SWG), we have achieved enhanced spectral broadening of femtosecond pump pulses, along with an eightfold increase in the output optical intensity at a wavelength approximately 200 nm shorter than that of the pump pulses. We also found that this huge nonlinearity works as a compressor that effectively compresses pulse width from 80 to 15.7 fs. Our results clearly show the potential for our G-SWG to greatly boost the speed and capacity of future communications with lower power consumption, and our method will further decrease the required pump laser power because it can be applied to decorate various kinds of waveguides with various two-dimensional materials.

  17. Usage of Crushed Concrete Fines in Decorative Concrete (United States)

    Pilipenko, Anton; Bazhenova, Sofia


    The article is devoted to the questions of usage of crushed concrete fines from concrete scrap for the production of high-quality decorative composite materials based on mixed binder. The main problem in the application of crushed concrete in the manufacture of decorative concrete products is extremely low decorative properties of crushed concrete fines itself, as well as concrete products based on them. However, crushed concrete fines could have a positive impact on the structure of the concrete matrix and could improve the environmental and economic characteristics of the concrete products. Dust fraction of crushed concrete fines contains non-hydrated cement grains, which can be opened in screening process due to the low strength of the contact zone between the hydrated and non-hydrated cement. In addition, the screening process could increase activity of the crushed concrete fines, so it can be used as a fine aggregate and filler for concrete mixes. Previous studies have shown that the effect of the usage of the crushed concrete fines is small and does not allow to obtain concrete products with high strength. However, it is possible to improve the efficiency of the crushed concrete fines as a filler due to the complex of measures prior to mixing. Such measures may include a preliminary mechanochemical activation of the binder (cement binder, iron oxide pigment, silica fume and crushed concrete fines), as well as the usage of polycarboxylate superplasticizers. The development of specific surface area of activated crushed concrete fines ensures strong adhesion between grains of binder and filler during the formation of cement stone matrix. The particle size distribution of the crushed concrete fines could achieve the densest structure of cement stone matrix and improve its resistance to environmental effects. The authors examined the mechanisms of structure of concrete products with crushed concrete fines as a filler. The results of studies of the properties of

  18. P25 nanoparticles decorated on titania nanotubes arrays as effective drug delivery system for ibuprofen

    Energy Technology Data Exchange (ETDEWEB)

    Wang, Zhang; Xie, Chunlin; Luo, Fei; Li, Ping; Xiao, Xiufeng, E-mail:


    Highlights: • P25 nanoparticles decorated on titania nanotube arrays were prepared by hydrothermal treatment. • P25 nanoparticles were conducive to improve the loading effect of ibuprofen into nanotube arrays. • The diameters of the decorated nanotubes were decrease markedly which led to an effective and prolonged drug release. - Abstract: In this study, uniformly distributed layer of P25 nanoparticles (NPs) decorated on titania (TiO{sub 2}) nanotubes (TNTs) arrays was prepared in a teflon-lined stainless steel autoclave by the hydrothermal treatment. To investigate the influence of the P25 concentration, different concentrations of P25 NPs were added into the solution to obtain the optimal decorative effect. TNTs decorated with P25 (TNTs–P25) and TNTs without P25 decorated on its surface were loaded with ibuprofen (IBU) via vacuum drying and its release properties were investigated. The samples were characterized by field emission scanning electron microscopy, X-ray diffraction, and Fourier transform infrared spectroscopy. The results indicated that P25 NPs were successfully decorated on the surface of TNTs by hydrothermal method and the optimal concentration was found to be 7.5 × 10{sup −4} M. P25 NPs decorated on TNTs led to a significant increase in the specific surface area of TNTs which was conducive to improve the loading effect of IBU. Importantly, the diameters of the decorated nanotubes were reduced to 100 ± 10 nm and the increase in roughness led to an effective and prolonged drug release.

  19. Exoplanet's Figure and Its Interior (United States)

    Mian, Zhang; Cheng-li, Huang


    Along with the development of the observing technology, the observation and study on the exoplanets' oblateness and apsidal precession have achieved significant progress. The oblateness of an exoplanet is determined by its interior density profile and rotation period. Between its Love number k2 and core size exists obviously a negative correlation. So oblateness and k2 can well constrain its interior structure. Starting from the Lane-Emden equation, the planet models based on different polytropic indices are built. Then the flattening factors are obtained by solving the Wavre's integro-differential equation. The result shows that the smaller the polytropic index, the faster the rotation, and the larger the oblateness. We have selected 469 exoplanets, which have simultaneously the observed or estimated values of radius, mass, and orbit period from the NASA (National Aeronautics and Space Administration) Exoplanet Archive, and calculated their flattening factors under the two assumptions: tidal locking and fixed rotation period of 10.55 hours. The result shows that the flattening factors are too small to be detected under the tidal locking assumption, and that 28% of exoplanets have the flattening factors larger than 0.1 under the fixed rotation period of 10.55 hours. The Love numbers under the different polytropic models are solved by the Zharkov's approach, and the relation between k2 and core size is discussed.

  20. Water in Architecture and its Usage in Contemporary Houses Interior Design

    Directory of Open Access Journals (Sweden)

    Samaneh Sedighi


    Full Text Available As one of the most fundamental natural elements, water has had a great share in the formation and architecture of architectural buildings. This research examines the effect of water and its presence in contemporary houses. Architecture is not merely a tridimensional compound of forms in space, but a manifestation of a sense or a thought in it. According to Feng Shui, the building where we live in can be the cause of balance and health for human being. As a whole, anything around us has active and mobile energies; by designing a building in a way that positive energies can follow around easier, one can easier bring happiness for the dwellers. Feng Shui is based on the harmony among five elements of water, wind, soil, fire and metal. Because of its stream, water removes negative energies and revives and mobilizes positive ones thereby having a great impact on the current of energies. Considering the fact that contemporary houses are small in space, designer does not feel free in the usage of water in internal spaces, thus he/she should utilize patterns that resemble or associate the feeling of water in the living environment. Conceptual, functional and aesthetic basics of water have been examined first via library studies and note taking from various papers and books. Then, the three qualities would be analyzed in Iranian architecture, and the properties of past people will be examined to emphasize material, spiritual and psychological aspects of water. Then, I will assess the philosophical basics of Feng Shui in using water for interior spaces via a qualitative method and content analysis, usage of water based on Feng Shui in interior design and decoration of homes. Considering these concepts, natural possibilities of water in interior architecture and its limitations in interior space design would be assessed and recognized. Finally, some patterns would be presented to use water in interior spaces of contemporary apartments.

  1. Perancangan Tata Cahaya pada Interior Rumah Tinggal

    Directory of Open Access Journals (Sweden)

    Dila Hendrassukma


    Full Text Available Homestay is a place where each individual coming back after doing her/his routine and non-routine daily activities. A good residential interior design would enhance the quality of life of its inhabitants. The majority of Indonesian population, Jakarta in particular, has been aware of the importance of designing their home interior properly. However, home interior lighting, which is key to successful design of an interior space, is often under-emphasized. Research tried to collect lighting techniques often used in residential interiors. The result is a brief explanation and easy to apply regarding the types of information that can be used to illuminate any activity on the interior of the residence. Qualitative method by literature study is used in the making of this research. 

  2. Funerary Symbols on the Temple Decorations from the Talamonaccio

    Directory of Open Access Journals (Sweden)

    Albert Nijboer


    Full Text Available Since the 15th century AD Talamone, a village on a bay alongthe Tyrrhenian coast midway between Florence and Rome, has been associated with the Etruscan Telamon. On the Talamonaccio, the famous 2nd century BC terracotta decorations depicting the battle of the Seven against Thebes were found in the late 19th century. Two ancient theories regarding the depiction of the myth are decribed.Before discussing both hypotheses, the ancient literary sources will be studied in order to discover what they reveal about Telamon, the two families of the consuls and temple dedications.

  3. Raptor nest decorations are a reliable threat against conspecifics. (United States)

    Sergio, F; Blas, J; Blanco, G; Tanferna, A; López, L; Lemus, J A; Hiraldo, F


    Individual quality is often signaled by phenotypic flags, such as bright plumage patches in birds. Extended phenotype signals can similarly show quality, but in these cases the signals are external to the individual, often taking the form of objects scavenged from the environment. Through multiple manipulative experiments, we showed that objects used for nest decoration by a territorial raptor, the black kite (Milvus migrans), act as reliable threats to conspecifics, revealing the viability, territory quality, and conflict dominance of the signaler. Our results suggest that animal-built structures may serve as signaling devices much more frequently than currently recognized.

  4. Antibacterial activity of N-halamine decorated mesoporous silica nanoparticles (United States)

    Xu, Jiarong; Zhang, Yu; Zhao, Yanbao; Zou, Xueyan


    N-halamine decorated mesoporous silica nanoparticles (mSiO2/halamine NPs) were prepared by coating mSiO2 NPs with poly (1-allylhydantoin-co-methyl methacrylate) (AH-co-MMA) by the aid of the radical polymerization, followed by chlorination treatment. The sterilizing effect on the bacterial strain is investigated by incubating Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli). Results indicated that the mSiO2/halamine NPs had excellent antibacterial activity and no significant change occurred in antibacterial efficiency after five recycle experiments.

  5. Substrate-enhanced superconductivity in Li-decorated graphene

    KAUST Repository

    Kaloni, Thaneshwor P.


    We investigate the role of the substrate for the strength of the electron-phonon coupling in Li-decorated graphene. We find that the interaction with a h-BN substrate leads to a significant enhancement from to , which corresponds to a 25% increase of the transition temperature from to . The superconducting gaps amount to 1.56 meV (suspended) and 1.98 meV (supported). These findings open up a new route to enhanced superconducting transition temperatures in graphene-based materials by substrate engineering. © 2013 EPLA.

  6. Magnetoresistance of Mn-decorated topological line defects in graphene

    KAUST Repository

    Obodo, Tobechukwu Joshua


    We study the spin polarized transport through Mn-decorated 8-5-5-8 topological line defects in graphene using the nonequilibrium Green\\'s function formalism. Strong preferential bonding overcomes the high mobility of transition metal atoms on graphene and results in stable structures. Despite a large distance between the magnetic centers, we find a high magnetoresistance and attribute this unexpected property to very strong induced π magnetism, in particular for full coverage of all octagonal hollow sites by Mn atoms. In contrast to the magnetoresistance of graphene nanoribbon edges, the proposed system is well controlled and therefore suitable for applications.

  7. Multiwalled Carbon Nanotubes Decorated with Cobalt Oxide Nanoparticles

    Directory of Open Access Journals (Sweden)

    D. G. Larrude


    Full Text Available Multiwalled carbon nanotubes (MWCNTs synthesized by spray pyrolysis were decorated with cobalt oxide nanoparticles using a simple synthesis route. This wet chemistry method yielded nanoparticles randomly anchored to the surface of the nanotubes by decomposition of cobalt nitrate hexahydrate diluted in acetone. Electron microscopy analysis indicated that dispersed particles were formed on the MWCNTs walls. The average size increased with the increasing concentration of cobalt nitrate in acetone in the precursor mixture. TEM images indicated that nanoparticles were strongly attached to the tube walls. The Raman spectroscopy results suggested that the MWCNT structure was slightly damaged after the nanoparticle growth.

  8. Interior tomography: theory, algorithms and applications (United States)

    Yu, Hengyong; Ye, Yangbo; Wang, Ge


    The conventional wisdom states that the interior problem (reconstruction of an interior region from projection data along lines only through that region) is NOT uniquely solvable. While it remains correct, our recent theoretical and numerical results demonstrated that this interior problem CAN be solved in a theoretically exact and numerically stable fashion if a sub-region within the interior region is known. In contrast to the well-established lambda tomography, the studies on this type of exact interior reconstruction are referred to as "interior tomography". In this paper, we will overview the development of interior tomography, involving theory, algorithms and applications. The essence of interior tomography is to find the unique solution from highly truncated projection data via analytic continuation. Such an extension can be done either in the filtered backprojection or backprojection filtration formats. The key issue for the exact interior reconstruction is how to invert the truncated Hilbert transform. We have developed a projection onto convex set (POCS) algorithm and a singular value decomposition (SVD) method and produced excellent results in numerical simulations and practical applications.

  9. 41 CFR 102-42.25 - Who retains custody of gifts and decorations pending disposal? (United States)


    ... 41 Public Contracts and Property Management 3 2010-07-01 2010-07-01 false Who retains custody of..., Handling and Disposition § 102-42.25 Who retains custody of gifts and decorations pending disposal? (a) The employing agency retains custody of gifts and decorations that employees have expressed an interest in...

  10. The role of decorated SDS micelles in sub-cmc protein denaturation and association

    DEFF Research Database (Denmark)

    Andersen, Kell; Oliveira, Cristiano Luis Pinto De; Larsen, Kim Lambertsen


    . Our data provide key structural insights into decorated micelle complexes with proteins, revealing a remarkable diversity in the different conformations they can stabilize. The data highlight that a minimum decorated micelle size, which may be a key driving force for intermolecular protein association...

  11. National Apprenticeship and Training Standards for Painting and Decorating and Drywall Finishing. (United States)

    Manpower Administration (DOL), Washington, DC. Bureau of Apprenticeship and Training.

    The booklet presents the ninth edition of the national apprenticeship and training standards developed by the painting and decorating and drywall industry in cooperation with the Department of Labor's Bureau of Apprenticeship and Training. Provisions of national apprenticeship and training standards for painting and decorating and drywall…

  12. Walter Scandale receives the decoration of Knight of the Order of Merit of the Italian Republic

    CERN Multimedia


    On 9 December 2008, Walter Scandale, a member of the EN Department, received the decoration of Knight of the Order of Merit of the Italian Republic, one of Italy's highest decorations. He was awarded the medal by the Consul-General of Italy in Geneva.

  13. Research on the Application of GRC Material in Exhibition Decoration Engineering (United States)

    Cai, Yan


    Glass fiber reinforced cement (GRC) is a kind of new building material which is based on cement and take the alkali resistant glass fiber as reinforcing material. It is mainly used in building decoration project and it has many advantages like environmental protection, economical, practical modeling and others. This paper mainly studies the concrete application of GRC material in exhibition building decoration project.

  14. Tailoring the thermostability and hydrogen storage capacity of Li decorated carbon materials by heteroatom doping (United States)

    Long, Jun; Li, Jieyuan; Nan, Fang; Yin, Shi; Li, Jianjun; Cen, Wanglai


    Li decorated graphene is supposed to be a promising material for the hydrogen storage, which can be further improved by heteroatom doping. But a unified promoting mechanism for various doping types and species are still lacking, which hinders the rational design of advanced materials. The potential of N/B doped Li decorated graphene for hydrogen storage is investigated with DFT calculations. A covalent interaction between Li and the graphene substrates is identified to control the thermostability and hydrogen storage capacity (HSC) of the Li decorated substrate, which is in turn subject to the electronegativity of doping species and the doping types. Additionally, a conceptual descriptor is proposed to predict the HSC of Li decorated graphene. These results provide a unified explanation and prediction of the effects of heteroatom doping on Li decorated carbon materials for hydrogen storage.

  15. Thin lead sheets in the decorative features in Pavia Charterhouse. (United States)

    Colombo, Chiara; Realini, Marco; Sansonetti, Antonio; Rampazzi, Laura; Casadio, Francesca


    The facade of the church of the Pavia Charterhouse, built at the end of the 15th century, shows outstanding decorative features made of different stone materials, such as marbles, breccias and sandstones. Magnificent ornamental elements are made of thin lead sheets, and some marble slabs are inlaid with them. Metal elements are shaped in complex geometric and phytomorphic design, to form a Greek fret in black contrasting with the white Carrara marble. Lead pins were fixed to the back of the thin lead sheets with the aim of attaching the metal elements to the marble; in so doing the pins and the lead sheets constitute a single piece of metal. In some areas, lead elements have been lost, and they have been substituted with a black plaster, matching the colour of the metal. To the authors' knowledge, this kind of decorative technique is rare, and confirms the refinement of Renaissance Lombard architecture. This work reports on the results of an extensive survey of the white, orange and yellowish layers, which are present on the external surface of the lead. The thin lead sheets have been characterized and their state of conservation has been studied with the aid of Optical Microscopy, SEM-EDS, FTIR and Raman analyses. Lead sulphate, lead carbonates and oxides have been identified as decay products.

  16. Design and Interaction in the Narratives of Decoration Discourse

    Directory of Open Access Journals (Sweden)

    Heba Zaytoon


    Full Text Available The vast literature on discourse analysis includes many studies which investigate different types of texts and attempts to identify the properties that characterize them. The present study proposes an analysis of the narrative aspect in decoration discourse with the aim of revealing the textual features and organization that are uniquely utilized by this type of discourse and to clarify facets of similarities and differences from traditional narratives. The study explores the utilization of the problem-solution pattern and the goal-achievement pattern to communicate the intended message. Language with its pragmatic aspects plays an essential role in the construction and interpretation of such narratives. The database includes a variety of narratives extracted from different decoration and household magazines. Sharing experiences through narratives serves a broader function of establishing certain norms and standards to be followed by the majority of the population. By abiding to these norms, individuals strive to be affiliated to a particular social standard; the one intended by authors and publishers of these magazines.

  17. Melanoma and melanocytic nevi in decorative tattoos: three case reports. (United States)

    Varga, Erika; Korom, Irma; Varga, János; Kohán, József; Kemény, Lajos; Oláh, Judit


    In response to the demands of style and fashion, the number of decorative tattoos has been increasing worldwide. This has been paralleled by a rising incidence of melanocytic proliferations, including melanoma. The coincidence of various dermatological diseases and skin tumors with tattoos has been documented with some frequency, but reports of melanoma associated with tattoos are exceedingly rare. To date, only 13 cases have been documented in the English language literature. The possibility of an association between melanocytic proliferations and tattoos remains an area for further study. This report presents two cases of melanocytic nevi and one of melanoma occurring in association with a decorative tattoos. At present, the pathogenesis of melanoma developing in a tattoo is unknown. Mere coincidence cannot be ruled out. However, trauma, ultraviolet light exposure, a photoallergic effect, or an inflammatory reaction may promote malignant transformation. Clinicians and histopathologists should be aware of the clinical and pathological features if they are to make a correct diagnosis. Copyright © 2011 John Wiley & Sons A/S.

  18. Evidence for superconductivity in Li-decorated monolayer graphene. (United States)

    Ludbrook, B M; Levy, G; Nigge, P; Zonno, M; Schneider, M; Dvorak, D J; Veenstra, C N; Zhdanovich, S; Wong, D; Dosanjh, P; Straßer, C; Stöhr, A; Forti, S; Ast, C R; Starke, U; Damascelli, A


    Monolayer graphene exhibits many spectacular electronic properties, with superconductivity being arguably the most notable exception. It was theoretically proposed that superconductivity might be induced by enhancing the electron-phonon coupling through the decoration of graphene with an alkali adatom superlattice [Profeta G, Calandra M, Mauri F (2012) Nat Phys 8(2):131-134]. Although experiments have shown an adatom-induced enhancement of the electron-phonon coupling, superconductivity has never been observed. Using angle-resolved photoemission spectroscopy (ARPES), we show that lithium deposited on graphene at low temperature strongly modifies the phonon density of states, leading to an enhancement of the electron-phonon coupling of up to λ ≃ 0.58. On part of the graphene-derived π*-band Fermi surface, we then observe the opening of a Δ ≃ 0.9-meV temperature-dependent pairing gap. This result suggests for the first time, to our knowledge, that Li-decorated monolayer graphene is indeed superconducting, with Tc ≃ 5.9 K.

  19. Paul Signac's Decorative Propaganda of the 1890s

    Directory of Open Access Journals (Sweden)

    Brion, Katherine


    Full Text Available In the 1890s the political and artistic ambitions of the neo-impressionist artist Paul Signac were embodied by a series of decorative projects. This article contends that Signac, inspired by anarcho-communist discourse and the prospect of revolution, attempted to synthesize in these works the didactic logic of propaganda and "purely aesthetic emotion." This synthesis was epitomized by the explicit deployment of two systems, divisionism and decorative pattern. With these systems, Signac hoped to initiate contemporary viewers into the aesthetic and social harmony of an anarcho-communist future. In the interest of addressing larger audiences, particularly among workers, he imagined proletarian spaces for his work. But the didactic elements of Signac's painting met with critical resistance, and public sites he envisioned never materialized. Faced with this lack of recognition, and with a diminished revolutionary outlook in the wake of the Procès des Trente, Signac focused his painting on atemporal landscapes. This trajectory has been read as one of aesthetic liberation; this article seeks to retrieve the extent to which it was also one of constraint, tied to the frustration of Signac's political aspirations.

  20. Black Hole Interior in Quantum Gravity. (United States)

    Nomura, Yasunori; Sanches, Fabio; Weinberg, Sean J


    We discuss the interior of a black hole in quantum gravity, in which black holes form and evaporate unitarily. The interior spacetime appears in the sense of complementarity because of special features revealed by the microscopic degrees of freedom when viewed from a semiclassical standpoint. The relation between quantum mechanics and the equivalence principle is subtle, but they are still consistent.

  1. Interior Design Students Perceptions of Sustainability (United States)

    Stark, Johnnie; Park, Jin Gyu


    Purpose: This longitudinal study assessed student perceptions of sustainable design issues in the context of an accredited interior design program. Although literature exists documenting the integration of sustainable strategies into interior design curriculum, more analysis is needed to determine the impact of program experiences on students'…

  2. Interior operators and topological connectedness | Castellini ...

    African Journals Online (AJOL)

    A categorical notion of interior operator is used in topology to define connectedness and disconnectedness with respect to an interior operator. A commutative diagram of Galois connections is used to show a relationship between these notions and Arhangelskii and Wiegandt's notions of connectedness and ...

  3. Structure and composition of giant planet interiors

    International Nuclear Information System (INIS)

    Hubbard, W.B.


    In the simplest model of a Jovian planet atmosphere, the atmospheric abundances are identical to the bulk interior abundances, except as modified by atmospheric condensation processes. This model is now known to be generally inadequate, on the basis of comparisons between detailed atmospheric composition measurements and (less-detailed) determinations of interior composition. The latter are primarily deduced by integrating high-pressure equations of state of plausible constituents to obtain interior models which satisfy observational constraints such as mass, radius, gravitational moments, luminosity and age. This chapter reviews the status of discrepancies between such determinations of interior and atmospheric composition, and reviews possible explanations via interior processes such as hydrogen-helium immiscibility and phase transitions in major constituents. We discuss the proposed structure of the core, mantle and deep atmosphere for each of the four giant planets

  4. Acidic gases (CO2, NO2 and SO2) capture and dissociation on metal decorated phosphorene (United States)

    Kuang, Anlong; Kuang, Minquan; Yuan, Hongkuan; Wang, Guangzhao; Chen, Hong; Yang, Xiaolan


    Density functional theory is employed to investigate the adsorption and dissociation of several acidic gases (CO2, NO2 and SO2) on metal (Li, Al, Ni and Pt) decorated phosphorene. The results show that light metal (Li, Al) decorated phosphorene exhibits a strong adsorption of acidic gases, i.e., the adsorption energy of CO2 on Li decorated phosphorene is 0.376 eV which is the largest in all adsorption of CO2 on metal decorated phosphorene and Al decorated phosphorene is most effective for capture of NO2 and SO2 due to large adsorption energies of 3.951 and 3.608 eV, respectively. Moreover, Li and Al light metals have stronger economic effectiveness and more friendly environment compared with the transition metals, the strong adsorption ability of acidic gases and low price suggest that Li, Al decorated phosphorene may be useful and promising for collection and filtration of exhaust gases. The reaction energy barriers of acidic gases dissociated process on Pt decorated phosphorene are relatively low and the reaction processes are significantly exothermic, indicating that the dissociation process is favorable.

  5. Improved thermal conductivity of Ag decorated carbon nanotubes water based nanofluids

    Energy Technology Data Exchange (ETDEWEB)

    Farbod, Mansoor, E-mail:; Ahangarpour, Ameneh


    The effect of Ag decoration of carbon nanotubes on thermal conductivity enhancement of Ag decorated MWCNTs water based nanofluids has been investigated. The pristine and functionalized MWCNTs were decorated with Ag nanoparticles by mass ratios of 1%, 2% and 4% and used to prepare water based nanofluids with 0.1 vol.%. An enhancement of 1–20.4 percent in thermal conductivity was observed. It was found that the decoration of functionalized MWCNTs can increase the thermal conductivity about 0.16–8.02 percent compared to the undecorated ones. The maximum enhancement of 20.4% was measured for the sample containing 4 wt.% Ag at 40 °C. - Highlights: • MWCNTs were decorated with Ag nanoparticles by the mass ratios of 1, 2 and 4%. • The decorated CNTs were used to prepare water based nanofluids with 0.1 Vol.%. • 1–20.4% increase was observed in thermal conductivity (TC) compared to pure water. • Ag decorated CNTs increased TC of nanofluid up to 8% compared to CNTs nanofluid.

  6. Plasmonic laser printing for ink-free color decoration

    DEFF Research Database (Denmark)

    Zhu, Xiaolong; Vannahme, Christoph; Højlund-Nielsen, Emil


    Here we show a method of color printing on nanoimprinted plasmonic metasurfaces [1] using laser post-writing. Laser pulses induce transient local heat generation that leads to melting and reshaping of the imprinted nanostructures [2]. This leads to melting and reshaping of the imprinted 20nm Al...... structures embedded in plastics. Depending on the laser pulse energy density, different surface morphologies that support different plasmonic resonances leading to different color appearances can be created. Color printing by this technology has several advantages over dye technology: ink/toner-free, sub...... also be used on a larger scale to personify products such as mobile phones with unique decorations, names, etc‥ This laser technology may create environmentally sound color printing solutions and simplify the production for consumer products....

  7. Arte y decoración = Art and decoration


    Alberto Iglesias


    Resumen: Una reflexión sobre el arte y la decoración y la búsqueda de la racionalización sobre el hecho artístico basándose en el discurso de la dicotomía forma/función. Este discurso pretende extrapolarse a la relación entre diseño e ingeniería. Palabras clave: Arte y decoración. Abstract: A reflexion about art and decoration and the search of the rationalization about art based on the dichotomy’s discourse form/function. This discourse try to be extrapolate to the relation between de...

  8. Cosmic ray muon study with the NEVOD-DECOR experiment (United States)

    Saavedra San Martin, Oscar


    The experiment NEVOV-DECOR, which is desinged to study the cosmic muons at very inclined directions, is running under the collaboration of the Moscow Engineering Physics Institute, Moscow, Russia, and the Instituto Nazionale di Astrofisica and the Dipartimento di Fisica, Università di Torino, Italy. The main purpose of this experiment is to study the characteristics of the high multiplicity muons in muon bundles and their angular distributions. The result has shown the observation of the second knee at 1017 eV in the primary cosmic ray spectrum. In addition, we found that the number of high energy muons in EAS is more than 30% of what is predicted by the Monte Carlo models. This effect was found also by other experiments like Auger, but at primary cosmic ray energies higher than 1018 eV. We will present and discuss the main results of these investigations.

  9. Multifunctional Composites Obtained by Incorporating Nanocrystals into Decorated PVK Polymers

    Directory of Open Access Journals (Sweden)

    Haizhu Sun


    Full Text Available Poly(vinylcarbazole (PVK was decorated with surfactant group to achieve amphiphilic polymer with luminescent property. The composition and properties of the polymers were systematically investigated using FTIR, EA, TGA, UV-Vis, and PL characterizations. Different CdTe nanocrystals (NCs prepared in aqueous medium were directly transferred to organic phase using the PVK-based polymers. The quantum yield of NCs in the composites had been improved by 50% compared with their parent aqueous solution due to the short distance from carbazole moieties to NCs, which facilitated the Förster resonant energy transfer (FRET between them. Moreover, efficient electron transfer at the interface of NCs and polymers had been confirmed which also indicated the application in photovoltaic cell for such composites.

  10. Wooden facade decor in the aspect of energy saving

    Directory of Open Access Journals (Sweden)

    Samol'kina Elena Grigor'evna


    most common facing materials of natural origin include wooden facades. Demand for such kind of structures in contemporary architecture is explained by wide possibilities of architectural and artistic facades. Facade decor made of wood is various, it tends to be unusual, with exclusive forms, eliminating unnecessary luxury. Valuable wood panels, board with logs imitation, block house, facade boards (planken, the wood tile (shingle, etc. can be used in decoration. A large number of wooden facing materials allow to create wooden facades of different styles, and the texture and wood shades form a harmonious environment. Among the various methods of using wooden decor the most common technique is outplaying of wood texture. Wood is treated with special impregnation to give effect of the natural aging, wood is also tinted, creating a color contrast of house planes, and then is coloured, imitating the texture of precious wood. Wooden facade decor fully solves not only the problem of architectural expressiveness of structures, but also the problem of energy saving, which is especially important in the context of the global crisis. The unique capabilities of the tree, its ability to be in harmony with other materials form a comfortable environment, providing a favorable psychological impact.

  11. Bedroom design and decoration: gender differences in preference and activity. (United States)

    Jones, Randall M; Taylor, Denise E; Dick, Andrew J; Singh, Archana; Cook, Jerry L


    This investigation examined gender differences in niche-building preference and activity among 238 8th and 9th grade boys and girls. A questionnaire was developed to measure both the actual and preferred bedroom content, bedroom design activity, and the level of perceived influence by the immediate and extended family, friends, and social institutions. Gender differences were identified for preference, activity, and influence in bedroom design and decoration. Girls and boys differed in the type of items contained in their bedrooms. Girls' rooms contained stuffed animals and pictures of people, including themselves, more frequently than the boys' rooms. In contrast, boys' rooms contained sports-related items, and things for building or that they had built themselves. Although bedroom design activity for both boys and girls was influenced by older teens, friends, media, and popular culture, boys (but not girls) were also influenced by their mothers, fathers, girlfriends, and activities such as sports, Boy or Girl Scouts, and music lessons.

  12. Digital Interior Design by Stailia Design Oy


    Lindroos, Jaana


    The objective of the thesis work is to research and create a web based service in a field of interior design. With my project, I am hoping to find out whether this kind of web service in the field of interior design can work in general and that the process together with the actual order form on internet is smooth from both customer and company point of view. The company has interior design related services but none entirely executed on the web. The target is to create a totally new service/pr...

  13. Computer vision based room interior design (United States)

    Ahmad, Nasir; Hussain, Saddam; Ahmad, Kashif; Conci, Nicola


    This paper introduces a new application of computer vision. To the best of the author's knowledge, it is the first attempt to incorporate computer vision techniques into room interior designing. The computer vision based interior designing is achieved in two steps: object identification and color assignment. The image segmentation approach is used for the identification of the objects in the room and different color schemes are used for color assignment to these objects. The proposed approach is applied to simple as well as complex images from online sources. The proposed approach not only accelerated the process of interior designing but also made it very efficient by giving multiple alternatives.

  14. Interior Design's Role in Educational Specifications. (United States)

    Keller, Mary Ann


    An experienced interior designer, equipped with a well-written educational specification, will specify the best materials and coordinate colors, materials, and furnishings in line with the district's budget. (MLF)

  15. Penerapan Interior Branding pada Hotel Yello


    Gunawan, Astri Indrawati


    The development of entertainment and tourism in Surabaya has lead to increasing of tourist arrival. This condition makes hotel businesses flourishing. The 3 star hotel is currently the best-selling hotel due to adequate facilities at current economic level. To cope with the competition, many 3 star hotels applied branding in the interior. Interior branding is formed not only from the visual beauty, but rather to the room's atmosphere that contains stories and unique messages to influence the ...

  16. Project management in interior design services


    Şahinoglu, Alp


    Ankara : Bilkent University, Department of Interior Architecture and Environmental Design and Institute of Fine Arts, 1997. Thesis (Master's) -- Bilkent University, 1997. Includes bibliographical references. In this study, the concept of project management is analyzed within the framework of interior design services. Project management has been defined as the managing and coordination of all human and physical resources, in order to accomplish the predetermined goals (aim of the proj...

  17. Discovering the interior of black holes (United States)

    Brustein, Ram; Medved, A. J. M.; Yagi, K.


    The detection of gravitational waves (GWs) from black hole (BH) mergers provides an inroad toward probing the interior of astrophysical BHs. The general-relativistic description of the BH interior is that of empty spacetime with a (possibly) singular core. Recently, however, the hypothesis that the BH interior does not exist has been gaining traction, as it provides a means for resolving the BH information-loss problem. Here, we propose a simple method for answering the following question: Does the BH interior exist and, if so, does it contain some distribution of matter or is it mostly empty? Our proposal is premised on the idea that, similar to the case of relativistic, ultracompact stars, any BH-like object whose interior has some matter distribution should support fluid modes in addition to the conventional spacetime modes. In particular, the Coriolis-induced Rossby (r-) modes, whose spectrum is mostly insensitive to the composition of the interior matter, should be a universal feature of such BH-like objects. In fact, the frequency and damping time of these modes are determined by only the object's mass and speed of rotation. The r-modes oscillate at a lower frequency, decay at a slower rate, and produce weaker GWs than do the spacetime modes. Hence, they imprint a model-insensitive signature of a nonempty interior in the GW spectrum resulting from a BH merger. We find that future GW detectors, such as Advanced LIGO with its design sensitivity, have the potential of detecting such r-modes if the amount of GWs leaking out quantum mechanically from the interior of a BH-like object is sufficiently large.

  18. The State of Environmentally Sustainable Interior Design Practice


    Mihyun Kang; Denise A. Guerin


    Problem statement: Research that investigates how interior designers use environmentally sustainable interior design criteria in their design solutions has not been done. To provide a base to develop education strategies for sustainable interior design, this study examined the state of environmentally sustainable interior design practice. Approach: A national, Internet-based survey of interior design practitioners was conducted. To collect data, the random sample of US interior design practit...

  19. Nanoparticle-Decorated Surfaces for the Study of Cell-Protein-Substrate Interactions

    National Research Council Canada - National Science Library

    Ballard, Jake D; Dell'Acqua-Bellavitis, Ludovico M; Bizios, Rena; Siegel, Richard W


    .... For this purpose, the current research has focused on the design, fabrication and characterization of model native oxide-coated silicon surfaces decorated with silica nanoparticles of select sizes...

  20. Prediction of hydrogen storage on Y-decorated graphene: A density functional theory study

    International Nuclear Information System (INIS)

    Liu, Wenbo; Liu, Yang; Wang, Rongguo


    Highlight: • Rare earth metal Y has an excellent performance on hydrogen storage. • After decoration, each Y can attach six hydrogen molecules without dissociation. • The Y atoms disperse uniformly and stably on B/graphene. • The enhancement of H binding is caused by hybridization and electrostatic attraction. - Abstract: Yttrium decorated graphene has been investigated as a potential carrier for high density hydrogen storage. The adsorption energy and optimized geometry for yttrium on pristine and boron doped graphene have been studied by DFT calculations. The clustering and stability of isolated yttrium atoms on graphene has also been considered. For yttrium decorated boron doped graphene, each yttrium can attach six hydrogen molecules with average adsorption energy of −0.568 eV per hydrogen molecule and the hydrogen storage capacity of this material is 5.78 wt.%, indicating yttrium decorated boron doped graphene as a promising hydrogen storage candidate

  1. Silver nanoparticles decorated on a three-dimensional graphene scaffold for electrochemical applications

    CSIR Research Space (South Africa)

    Bello, A


    Full Text Available Silver metal nanoparticles were decorated by electron beam evaporation on graphene foam (GF) grown by chemical vapour deposition. X-ray diffraction, Raman spectroscopy, scanning and transmission electron microscopy, and atomic force microscopy were...

  2. Modeling hydrogen storage in boron-substituted graphene decorated with potassium metal atoms

    CSIR Research Space (South Africa)

    Tokarev, A


    Full Text Available Boron-substituted graphene decorated with potassium metal atoms was considered as a novel material for hydrogen storage. Density functional theory calculations were used to model key properties of the material, such as geometry, hydrogen packing...


    Directory of Open Access Journals (Sweden)

    Moiseenko Ksenija Sergeevna


    Pre-set theoretical provisions were applied to develop recommendations aimed at the optimization of the composition and characteristics of the technology of production of double-layer decorative and protective products based on polymer and mineral binders.

  4. The "Decorative" Female Model: Sexual Stimuli and the Recognition of Advertisements (United States)

    LaChance, Charles C.; And Others


    Examines the impact of the decorative or functionless female models in print advertising and indicates that models facilitate recognition of model/related information but do little to increase the recognition of brand names.

  5. NiFe 2 O 4 nanoparticles-decorated activated carbon ...

    Indian Academy of Sciences (India)

    decorated activated carbon (AC) nanocomposite for selective detection of dopamine (DA) in the presence of uric acid (UA) and ascorbic acid (AA). The nanocompositewas prepared by a simple hydrothermal method and the characterizationwas ...

  6. Perancangan Interior Pusat Terapi Anak Autis Dan Indigo Berdasar Pendekatan Psikologi Interior Di Surabaya


    Wijayanto, Anastasia Vera


    Autism and indigo is one of unusual phenomena that happening to some childs. In the case of interior design with special needs-like autism and indigo children-, we need a spesific design that fulfill needs, efficient in doing therapy and self-development. Basicly from that reasons, the functions of interior design not only for fulfill functions and aesthetics, but also cares about society's problems, especially for special needs user's. This design based on approach of interior psy...

  7. Fourth Annual Holiday Decorating Contest Features Sharks, Santas, Toys, and More | Poster (United States)

    The 2017 holiday season brought cold temperatures and heated competition to NCI at Frederick as 14 groups faced off in the R&W Club of Frederick’s Fourth Annual Holiday Decorating Contest. Keeping with tradition, many of the competitors sought to outdo not just each other’s themed entries, but also their own decorations from previous years. Accordingly, this year’s themes ranged from childhood memories to local landscapes to the downright outlandish.

  8. Electronic properties of Mn-decorated silicene on hexagonal boron nitride

    KAUST Repository

    Kaloni, Thaneshwor P.


    We study silicene on hexagonal boron nitride, using first-principles calculations. Since hexagonal boron nitride is semiconducting, the interaction with silicene is weaker than for metallic substrates. It therefore is possible to open a 50 meV band gap in the silicene. We further address the effect of Mn decoration by determining the onsite Hubbard interaction parameter, which turns out to differ significantly for decoration at the top and hollow sites. The induced magnetism in the system is analyzed in detail.

  9. San Pedro de la Mata (Sonseca, Toledo. Building and decorating an early medieval stone church

    Directory of Open Access Journals (Sweden)

    Mª de los Ángeles Utrero Agudo


    Full Text Available This work aims to offer those results obtained by means of the archaeological, stylistic and geological analysis of the church of San Pedro de La Mata, of its building and decorative materials and of its quarries. Combining these studies (and methodologies has made possible to identify the original form of the church, to pinpoint the origin of the materials and to characterize thus the skills of the workshops responsible for its construction and decoration.

  10. Prediction of a quantum anomalous Hall state in Co-decorated silicene

    KAUST Repository

    Kaloni, Thaneshwor P.


    Based on first-principles calculations, we demonstrate that Co-decorated silicene can host a quantum anomalous Hall state. The exchange field induced by the Co atoms combined with the strong spin-orbit coupling of the silicene opens a nontrivial band gap at the K point. As compared to other transition metals, Co-decorated silicene is unique in this respect, since usually hybridization and spin-polarization induced in the silicene suppress a quantum anomalous Hall state.

  11. Henryk Uziębło's heraldic decoration in the chapter house in Wawel

    Directory of Open Access Journals (Sweden)

    Józef Marecki


    Full Text Available Henryk Uziembło (27 February 1879 – 3 May 1945 was one of the creators of modern decorative art; he also made graphics. From 1922 to the outbreak of World War II he was a lecturer at the Institute of Fine Arts in Krakow. He designed polychromes, stained glass windows and mosaics, book bindings, posters and made oil paintings. He is the author of the decorations of the wall of the Wawel chapter house.

  12. Modulation effect of hydrogen and fluorine decoration on the surface work function of BN sheets

    Directory of Open Access Journals (Sweden)

    N Jiao


    Full Text Available Using first-principles calculations within the framework of density-functional theory, we studied the modulation effect of hydrogen/fluorine chemical decoration on the surface work function of BN sheets. We found that the difference in the work function (ΔWBN between two surfaces of the chair structure varies with the different decoration. Geometric distortion and chemical effects cause opposite modulation effects, and the chemical effect plays a leading role by inducing charge redistribution in the system.

  13. Enhanced oxygen reduction activity on surface-decorated perovskite thin films for solid oxide fuel cells

    KAUST Repository

    Mutoro, Eva


    Surface-decoration of perovskites can strongly affect the oxygen reduction activity, and therefore is a new and promising approach to improve SOFC cathode materials. In this study, we demonstrate that a small amount of secondary phase on a (001) La 0.8Sr 0.2CoO 3-δ (LSC) surface can either significantly activate or passivate the electrode. LSC (001) microelectrodes prepared by pulsed laser deposition on a (001)-oriented yttria-stabilized zirconia (YSZ) substrate were decorated with La-, Co-, and Sr-(hydr)oxides/carbonates. "Sr"-decoration with nanoparticle coverage in the range from 50% to 80% of the LSC surface enhanced the surface exchange coefficient, k q, by an order of magnitude while "La"- decoration and "Co"-decoration led to no change and reduction in k q, respectively. Although the physical origin for the enhancement is not fully understood, results from atomic force microscopy, X-ray diffraction, and X-ray photoelectron spectroscopy suggest that the observed k q enhancement for "Sr"-decorated surfaces can be attributed largely to catalytically active interface regions between surface Sr-enriched particles and the LSC surface. © 2011 The Royal Society of Chemistry.

  14. Design of Dwellings and Interior Family Space in China: Understanding the History of Change and Opportunities for Improved Sustainability Practices

    Directory of Open Access Journals (Sweden)

    Adrian Pitts


    Full Text Available This paper reviews briefly the recent history of dwelling design in China. It notes the rapid changes that have taken place since the 1980s and identifies the way contemporary procurement processes leave out the final fit-out and decoration/refurbishment. A range of stakeholders were interviewed, and access was gained to drawings and other technical data that indicated how the secondary processes were carried out. These are largely ungoverned by regulation in the same way necessary for initial design. The key group is the occupants who drive the fit-out and decoration according to personal and cultural requirements, but often with less than perfect understanding of sustainability. The interior design industry has developed rapidly over the same period and was initially lacking in professional knowledge and understanding (something which can still be found. Advice provided to dwelling occupants was based more on appearance than function and efficiency. Over the same period, beneficial modifications to construction processes have been introduced in relation to structural design, and it should be possible to do the same for sustainability-related design issues. The paper advocates: more regulation; better assessment techniques; more information and guidance for home-owners; and a greater focus on energy issues.

  15. The Prefabricated Interior Design Studio: An Exploration into the History and Sustainability of Interior Prefabrication (United States)

    Schneiderman, Deborah; Freihoefer, Kara


    This article examines the integration of prefabrication into an interior design studio. A review of the literature revealed that while there is a paucity of categorical research focused on this subject, the subject is historically significant with an abundance of evidence regarding the prefabrication of the interior environment dating back…

  16. Scientific studies on decorated mud mortar of Ajanta

    Directory of Open Access Journals (Sweden)

    M. Singh


    Full Text Available This study is an attempt to reveal the decorated earthen plaster of Ajanta. The mud plaster of Ajanta caves has been analyzed with the help of physical and analytical tools. The results indicate that high silt (>70% low clay soil may have been mixed purposefully with lime (calcite for the reason to enhance the cementing characteristics. The presence of calcium oxalate was detected from FTIR spectra may have been the resultant product of proteic materials presented in mud plaster. Ferrugineous silicate along with rarer gluconite–celendonite and white zeolites were also perceived from SEM and FTIR spectral analysis. The existence of quartz and sepiolite in mud mortar was also detected from XRD and SEM studies. The vegetal matter might have been added to tailor the construction behavior. The analytical results authenticate the similarity of earthen plaster of Ajanta and alluvion deposits of Waghura River just in front of caves, probably used as raw material in improvement of new material that suits for restoration for optimize performance and compatibility with the existing materials.

  17. Vermiculite decorated with copper nanoparticles: Novel antibacterial hybrid material (United States)

    Drelich, Jaroslaw; Li, Bowen; Bowen, Patrick; Hwang, Jiann-Yang; Mills, Owen; Hoffman, Daniel


    Vermiculite decorated with copper nanoparticles is a new antibacterial material that was prepared in this study through ion-exchange process and hydrogen reduction. The replacement of magnesium ions in interlayer structure was carried out using concentrated copper sulfate solutions at elevated temperature. Copper ions were reduced to elemental copper at 400-600 °C using hydrogen as the reducing agent. During the reduction process copper diffused primarily to vermiculite surface regions and formed copper nanoparticles with a broad range of sizes, from ˜1 to 400 nm. Strong adhesion of copper nanoparticles to the vermiculite carrier makes this hybrid very stable and durable. The new vermiculite-metallic copper hybrid material shows strong antibacterial activity against Staphylococcus aureus at 37 °C. Vermiculite is an inexpensive mineral that is very stable under a wide range of industrial and environmental conditions, and extensively used as filler in fireproof materials, plastics, paints and lightweight concrete, so the addition of copper as an antibacterial agent opens new avenues for the application of vermiculite in consumer products and other areas.

  18. Antibacterial polylactic acid/chitosan nanofibers decorated with bioactive glass

    Energy Technology Data Exchange (ETDEWEB)

    Goh, Yi-fan; Akram, Muhammad; Alshemary, Ammarz [Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, 81310 Johor Bahru, Johor (Malaysia); Hussain, Rafaqat, E-mail: [Department of Physics, COMSATS Institute of Information Technology, Islamabad (Pakistan)


    Highlights: • PLA/Chitosan nanofibers were coated with functional bioglass. • Polymer/ceramic composite fibers exhibited good in-vitro bioactivity. • Nanofibers coated with Ag doped bioglass exhibited good antibacterial activity. - Abstract: In this study, we have presented the structural and in vitro characterization of electrospun polylactic acid (PLA)/Chitosan nanofibers coated with cerium, copper or silver doped bioactive glasses (CeBG/CuBG/AgBG). Bead-free, smooth surfaced nanofibers were successfully prepared by using electrospinning technique. The nanocomposite fibers were obtained using a facile dip-coating method, their antibacterial activities against E. coliE. coli (ATCC 25922 strains) were measured by the disk diffusion method after 24 h of incubation at 37 °C. CeBG and CuBG decorated PLA/Chitosan nanofibers did not develop an inhibition zone against the bacteria. On the other hand, nanofibers coated with AgBG developed an inhibition zone against the bacteria. The as-prepared nanocomposite fibers were immersed in SBF for 1, 3 and 7 days in Simulated Body Fluid (SBF) for evaluation of in vitro bioactivity. All samples induced the formation of crystallites with roughly ruffled morphology and the pores of fibers were covered with the extensive growth of crystallites. Energy Dispersive X-ray (EDX) composition analysis showed that the crystallites possessed Ca/P ratio close to 1.67, confirming the good in-vitro bioactivity of the fibers.

  19. Macronutrient intake regulates sexual conflict in decorated crickets. (United States)

    Rapkin, J; Jensen, K; Lane, S M; House, C M; Sakaluk, S K; Hunt, J


    Sexual conflict results in a diversity of sex-specific adaptations, including chemical additions to ejaculates. Male decorated crickets (Gryllodes sigillatus) produce a gelatinous nuptial gift (the spermatophylax) that varies in size and free amino acid composition, which influences a female's willingness to fully consume this gift. Complete consumption of this gift maximizes sperm transfer through increased retention of the sperm-containing ampulla, but hinders post-copulatory mate choice. Here, we examine the effects of protein (P) and carbohydrate (C) intake on the weight and amino acid composition of the spermatophylax that describes its gustatory appeal to the female, as well as the ability of this gift to regulate sexual conflict via ampulla attachment time. Nutrient intake had similar effects on the expression of these traits with each maximized at a high intake of nutrients with a P : C ratio of 1 : 1.3. Under dietary choice, males actively regulated their nutrient intake but this regulation did not coincide with the peak of the nutritional landscape for any trait. Our results therefore demonstrate that a balanced intake of nutrients is central to regulating sexual conflict in G. sigillatus, but males are constrained from reaching the optima needed to bias the outcome of this conflict in their favour. © 2015 European Society For Evolutionary Biology. Journal of Evolutionary Biology © 2015 European Society For Evolutionary Biology.

  20. Decorating poly(alkyl aryl-ether) dendrimers with metallacarboranes. (United States)

    Núñez, Rosario; Juárez-Pérez, Emilio José; Teixidor, Francesc; Santillan, Rosa; Farfán, Norberto; Abreu, Arturo; Yépez, Rebeca; Viñas, Clara


    A new family of polyanionic poly(alkyl aryl-ether) metallodendrimers decorated with four and eight cobaltabisdicarbollide units have been obtained in high yield by the ring-opening reaction of cyclic oxonium [3,3'-Co(8-(C(2)H(4)O)(2)-1,2-C(2)B(9)H(10))(1',2'-C(2)B(9)H(11))] with alkoxides formed by deprotonation of terminal alcohols in the α,α'-bis[3,5-bis(hydroxymehyl)phenoxy]-p-xylene, α,α'-bis[3,5-bis(hydroxymehyl)phenoxy]-m-xylene, α,α'-bis[3,5-bis-[3,5-bis(hydroxymethyl)phenoxy]methylen]phenoxy]-p-xylene, and α,α,'-bis[3,5-bis-[3,5-bis(hydroxymethyl)phenoxy]methylen]phenoxy]-m-xylene dendrimers. The crystal structure of the precursor α,α'-bis[3,5-bis(chloromethyl)phenoxy]-p-xylene is also described. Final products are fully characterized by FTIR, NMR, UV-vis spectroscopies and elemental analysis. For metallodendrimers, the UV-vis absorptions have been a good tool for estimating the experimental number of cobaltabisdicarbollide units peripherally attached to the dendrimeric structure and consequently to corroborate the complete functionalization of the dendrimers.

  1. Effect of Metallic Nanoparticle Decoration on Graphene Oxide Conductivity (United States)

    Guliants, Elena; Fernando, Shiral; Watson, Venroy; Wang, Xifan; Gaugler, Elizabeth; Energy Technology and Materials Division Team


    Light and strong single-atom-thick carbon derivatives attract a wealth of attention from the research community due to their potential applications. Development of compatible satellite technologies for all-carbon nanoelectronic circuitry is vital for progress in practical applications. Graphene oxide (GO), the closest graphene relative, with its high surface area, unique atomic-layer properties, chemical inertness, and excellent bio-compatibility, has been tested for the applications in energy storage, flexible electronics, sensing technologies, and photovoltaics. GO conductivity enhancement by nanoparticle decoration can drastically improve the field effect transport of charge carriers in thin film transistors. In this study, GO, synthesized using modified Hummer's method, was functionalized with Ag nanoparticles using a two-step sonochemical procedure. Ag nanoparticles were shown to effectively migrate and redistribute when exposed to other carbon allotropies, such as carbon nanotubes and carbon dots. Studies of the effect of Ag precursor concentration and further nanoparticle migration on the conductivity of Ag/GO composites will be discussed within the context of charge carrier transport mechanisms.

  2. Haptic Decorating on the Surface of Virtual Clay Model

    Directory of Open Access Journals (Sweden)

    Huang Lei


    Full Text Available A novel haptic decorating method on the surface of virtual clay model is proposed. The relationship between brush deformation and endured force is researched for the first time by applying the spring-mass model to construct the 3D brush model. Then, the collision detection between virtual hairy brush and virtual clay model is researched based on collision algorithm of weighted average distance. When the hairy brush initially collides with 3D exterior, the tactility is simulated and the interactive virtual painting on the 3D exterior is carried out practically. The 3D brush stroke is formed by superimposing 3D brush footprints along the painting direction and controlling the stress of the brush. The ink quantity in the brush footprint is determined according to the proposed positive correlation between the exerted pressure on brush and outflow ink quantity of the brush. A painting storage method is also presented for storing and displaying 3D stroke painting results. The proposed method has been successfully applied in the 3D virtual painting system based on real-time force feedback technology. With this system, the 3D brush strokes with 3D half-dry and ink diffusion results can be painted with a Phantom Desktop haptic device, which effectively enhance reality to users.

  3. Plasmonic Gold Decorated MWCNT Nanocomposite for Localized Plasmon Resonance Sensing (United States)

    Ozhikandathil, J.; Badilescu, S.; Packirisamy, M.


    The synergism of excellent properties of carbon nanotubes and gold nanoparticles is used in this work for bio-sensing of recombinant bovine growth hormones (rbST) by making Multi Wall Carbon Nanotubes (MWCNT) locally optically responsive by augmenting it optical properties through Localized Surface Plasmon Resonance (LSPR). To this purpose, locally gold nano particles decorated gold–MWCNT composite was synthesized from a suspension of MWCNT bundles and hydrogen chloroauric acid in an aqueous solution, activated ultrasonically and, then, drop-casted on a glass substrate. The slow drying of the drop produces a “coffee ring” pattern that is found to contain gold–MWCNT nanocomposites, accumulated mostly along the perimeter of the ring. The reaction is studied also at low-temperature, in the vacuum chamber of the Scanning Electron Microscope and is accounted for by the local melting processes that facilitate the contact between the bundle of tubes and the gold ions. Biosensing applications of the gold–MWCNT nanocomposite using their LSPR properties are demonstrated for the plasmonic detection of traces of bovine growth hormone. The sensitivity of the hybrid platform which is found to be 1 ng/ml is much better than that measuring with gold nanoparticles alone which is only 25 ng/ml. PMID:26282187

  4. Design and Decorative Art in Shaping of Architectural Environment Image (United States)

    Shabalina, N. M.


    The relevance of the topic is determined by the dynamic development of the promising branch, i.e. the architectural environment design, which requires, on the one hand, consideration of the morphology and typology of this art form, on the other hand, the specificity of the architectural environment artistic image. The intensive development of innovative computer technologies and materials in modern engineering, improvement of the information communications forms in their totality has led to the application of new methods in design and construction which, in their turn, have required the development of additional methods for content and context analysis in the integrated assessment of socially significant architectural environments. In the modern culture, correlative processes are steadily developing leading us to a new understanding of the interaction of architecture, decorative art and design. Their rapprochement at the morphological level has been noted which makes it possible to reveal a specific method of synthesis and similarity. The architecture of postmodern styles differs in its bionic form becoming an interactive part of the society and approaching its structural qualities with painting, sculpture, and design. In the modern world, these processes acquire multi-valued semantic nuances, expand the importance of associativity and dynamic processuality in the perception of environmental objects and demand the development of new approaches to the assessment of the architectural design environment. Within the framework of the universal paradigm of modern times the concept of the world develops as a set of systems that live according to the self-organization laws.

  5. UV curing of teak veneers for decorative panel

    International Nuclear Information System (INIS)

    Gatot Trimulyadi Rekso; Darsono


    The radiation curing of surface coating of teak veneers for decorative panels has been conducted by using ultra violet (UV) as radiation source. In this experiment teak wood veneer was use as a substrate. Epoxy acrylate (import product,) and unsaturated polyester (locally product) were used as coating materials after being added with difunctional monomer TPGDA, and photo-initiator darocur 1173 or irgacure 184. Irradiation was conducted using 80 watt/cm LTV source at conveyor speed of 3,0 m/min. Parameters observed were viscosity of coating materials, hardness, adhesion, appearance, abrasion and chemical resistance of cured films. In general the results showed that viscosity of the formulations based on epoxy acrylate and unsaturated polyester resin were effected by the storage. Film cured by LTV made of epoxy acrylate and unsaturated polyester on the teak veneer wood have the same adhesion and abrasion resistant properties but the hardness and chemical resistant of epoxy acrylate are better than unsaturated polyester. From the experiment result it can be concluded the unsaturated polyester (locally product) can be used as radiation curable material for coating teak veneer panels

  6. 49 CFR 179.12 - Interior heater systems. (United States)


    ... 49 Transportation 2 2010-10-01 2010-10-01 false Interior heater systems. 179.12 Section 179.12... Design Requirements § 179.12 Interior heater systems. (a) Interior heater systems shall be of approved... each compartment. (b) Each interior heater system shall be hydrostatically tested at not less than 13...

  7. Interior design. Mastering the master plan. (United States)

    Mesbah, C E


    Reflecting on the results of the survey, this proposed interior design master planning process addresses the concerns and issues of both CEOs and facility managers in ways that focus on problem-solving strategies and methods. Use of the interior design master plan process further promotes the goals and outcomes expressed in the survey by both groups. These include enhanced facility image, the efficient selection of finishes and furnishings, continuity despite staff changes, and overall savings in both costs and time. The interior design master plan allows administrators and facility managers to anticipate changes resulting from the restructuring of health care delivery. The administrators and facility managers are then able to respond in ways that manage those changes in the flexible and cost-effective manner they are striving for. This framework permits staff members to concentrate their time and energy on the care of their patients--which is, after all, what it's all about.

  8. Penerapan Psikologi Desain pada Elemen Desain Interior

    Directory of Open Access Journals (Sweden)

    Budi Setiawan


    Full Text Available One of main interior designer’s assignments is to solve the problem within the facility. Problems may occur because the activities of design decision had done or will be done on the facility are not maximized. This problem can be reduced by rethinking the design through psychology design. Utilizing psychology design will help designer decide a better judgment of objects that affects the person using it in routine. The example of interior objects is wall, door, floor, color, and other elements of interior. Desk research method was used to support this article trough data collection from books and other professional institution websites. At the end, the conclusion of this article does not directly impact the result since it took time to persuade judgment of the user, but positively it will construct designer to rethink the design object.  

  9. Inequivalence of interior and exterior dynamical problems

    International Nuclear Information System (INIS)

    Santilli, R.M.


    We begin a series of notes with the review of the historical distinction by Lagrange, Hamilton, Jacobi and other Founding Fathers of analytic dynamics, between the exteriordynamical problem, consisting of motion in vacuum under action-at-a-distance interactions, and the interior dynamical problem, consisting of motion within a resistive medium with the additional presence of contact, nonlinear, nonlocal and nonhamiltonian internal forces. After recalling some of the historical reasons that led to the contemporary, virtually complete restriction of research to the exterior problem, we show that the interior dynamical problem cannot be reduced to the exterior one. This establishes the open character of the central objective of these notes: the identification of the space-time symmetries and relativities that are applicable to interior, nonlinear, nonlocal and nonhamiltonian systems. (author). 29 refs

  10. Perancangan Interior Museum Film Indonesia Di Surabaya


    Limantoro, Lim Renawati


    Surabaya is a city with a thriving cultural variety with a pluralistic society where people in Surabaya is more modern that easy to accept new things that developed in the community. Museum is a public place so that the necessary interior educative and informative and can be used as a sports-themed Indonesian films. The purpose of designing the interior of the film museum in Surabaya this is a venue to preserve Indonesian films and give knowledge to the people of Surabaya on the world of cine...

  11. Interior point algorithms theory and analysis

    CERN Document Server

    Ye, Yinyu


    The first comprehensive review of the theory and practice of one of today's most powerful optimization techniques. The explosive growth of research into and development of interior point algorithms over the past two decades has significantly improved the complexity of linear programming and yielded some of today's most sophisticated computing techniques. This book offers a comprehensive and thorough treatment of the theory, analysis, and implementation of this powerful computational tool. Interior Point Algorithms provides detailed coverage of all basic and advanced aspects of the subject.

  12. Surface study of platinum decorated graphene towards adsorption of NH3 and CH4

    International Nuclear Information System (INIS)

    Rad, Ali Shokuhi; Pazoki, Hossein; Mohseni, Soheil; Zareyee, Daryoush; Peyravi, Majid


    To distinguish the potential of graphene sensors, there is a need to recognize the interaction between graphene sheet and adsorbing molecules. We used density functional theory (DFT) calculations to study the properties of pristine as well as Pt-decorated graphene sheet upon adsorption of NH 3 and CH 4 on its surface to exploit its potential to be as gas sensors for them. We found much higher adsorption, higher charge transfer, lower intermolecular distance, and higher orbital hybridizing upon adsorption of NH 3 and CH 4 gas molecules on Pt-decorated graphene compared to pristine graphene. Also our calculations reveal that the adsorption energies on Pt-decorated graphene sheet are in order of NH 3 >CH 4 which could be corresponded to the order of their sensitivity on this modified surface. We used orbital analysis including density of states as well as frontier molecular orbital study for all analyte-surface systems to more understanding the kind of interaction (physisorption or chemisorption). Consequently, the Pt-decorated graphene can transform the existence of NH 3 and CH 4 molecules into electrical signal and it may be potentially used as an ideal sensor for detection of NH 3 and CH 4 in ambient situation. - Highlights: • Pt-decorated graphene was investigated as an adsorbent for NH 3 and CH 4 . • Much higher adsorption of NH 3 and CH 4 on Pt-decorated graphene than pristine graphene. • Higher adsorption of NH 3 compared to CH 4 on Pt-decorated graphene. • Pt influences the electronic structure of graphene.

  13. Electronic properties and relative stabilities of heterogeneous edge-decorated zigzag boron nitride nanoribbons

    International Nuclear Information System (INIS)

    Li, L.L.; Yu, X.F.; Yang, X.J.; Zhang, X.H.; Xu, X.W.; Jin, P.; Zhao, J.L.; Wang, X.X.; Tang, C.C.


    The wide band gap of boron nitride (BN) materials has been a major bottleneck for a wider application of BN in electronics. In this work, density functional theory computations were used to study the band structure of zigzag BN nanoribbons (BNNRs). Due to the ionic origin of the BN band gap, a heterogeneous edge decoration is an effective way to modulate the electronic band structure of BNNRs. This study demonstrates that a metallic behavior and magnetism can be realized by applying a NO 2 –NH 2 pair edge decoration. Although the lone electron pair of the NH 2 group is partly responsible for the metallic behavior, the effective potential difference induced by the donor–acceptor pair is also crucial for metallic behavior. Furthermore, these newly formed BNNRs were found to be more stable than H-passivated BNNRs. This simple chemical modification method offers great opportunities for the development of future BNNR-based electronic devices. - Graphical abstract: Due to the ionic origin of a BN band gap, heterogeneous edge decoration is an effective way to modulate its electronic structures. Metallicity and magnetism can be realized by NO 2 –NH 2 pair decoration. Although the N lone pair electrons in NH 2 group are responsible for the metallicity, the effective potential difference induced by a donor–acceptor pair is crucial for the formation of metallicity. - Highlights: • Heterogeneous edge decoration is effective for tuning BNNRs' electronic structures. • NO 2 –NH 2 pair decoration can lead to metallic behavior and magnetism for BNNRs. • The effective potential difference is crucial for the formation of metallicity. • NO 2 –NH 2 pair decorated BNNRs is more stable than H-passivated ones

  14. Solar Powered Automobile Interior Climate Control System (United States)

    Howard, Richard T. (Inventor)


    There is provided a climate control system for a parked vehicle that includes a solar panel, thermostatic switch, fans, and thermoelectric coolers. The solar panel can serve as the sole source of electricity for the system. The system affords convenient installation and removal by including solar panels that are removably attached to the exterior of a vehicle. A connecting wire electrically connects the solar panels to a housing that is removably mounted to a partially opened window on the vehicle. The thermostatic switch, fans, and thermoelectric coolers are included within the housing. The thermostatic switch alternates the direction of the current flow through the thermoelectric coolers to selectively heat or cool the interior of the vehicle. The interior surface of the thermoelectric coolers are in contact with interior heat sinks that have air circulated across them by an interior fan. Similarly, the exterior surface of the thermoelectric coolers are in contact with exterior heat sinks that have air circulated across them by an exterior fan.

  15. Perspectives on the Interior of the Sun

    Indian Academy of Sciences (India)


    Jan 27, 2016 ... The interior of the Sun is not directly accessible to observations. Nonetheless, it is possible to infer the physical conditions inside the Sun with the help of structure equations governing its equilibrium and with the powerful observational tools provided by the neutrino fluxes and oscillation frequencies.

  16. Climatology of the interior Columbia River basin. (United States)

    Sue A. Ferguson


    This work describes climate means and trends in each of three major ecological zones and 13 ecological reporting units in the interior Columbia River basin. Widely differing climates help define each major zone and reporting unit, the pattern of which is controlled by three competing air masses: marine, continental, and arctic. Paleoclimatic evidence and historical...

  17. Calidad del aire interior en las escuelas (United States)

    EPA ha desarrollado el Programa de Herramientas de Calidad del Aire Interior para las Escuelas para reducir la exposición a los contaminantes ambientales en las mismas a través de la adopción voluntaria de las prácticas para manejar la calidad del aire int

  18. Interior Pathways to Dissipation of Mesoscale Energy

    Energy Technology Data Exchange (ETDEWEB)

    Nadiga, Balasubramanya T. [Los Alamos National Lab. (LANL), Los Alamos, NM (United States)


    This talk at Goethe University asks What Powers Overturning Circulation? How does Ocean Circulation Equilibrate? There is a HUGE reservoir of energy sitting in the interior ocean. Can fluid dynamic instabilities contribute to the mixing required to drive global overturning circulation? Study designed to eliminate distinguished horizontal surfaces such as bottom BL and surface layer

  19. 24 CFR 3280.107 - Interior privacy. (United States)


    ... 24 Housing and Urban Development 5 2010-04-01 2010-04-01 false Interior privacy. 3280.107 Section 3280.107 Housing and Urban Development Regulations Relating to Housing and Urban Development (Continued... privacy. Bathroom and toilet compartment doors shall be equipped with a privacy lock. ...

  20. Seismic View of the Solar Interior

    Indian Academy of Sciences (India)

    R. Narasimhan (Krishtel eMaging) 1461 1996 Oct 15 13:05:22

    sound waves trapped in the solar interior. As these waves travel inwards they get refracted away from the radial direction due to increasing sound speed and at some depth they suffer a total internal reflection and turn back to the surface where they are reflected by the steeply falling density profile. Thus these modes are ...

  1. Juno's first peek at Jupiter's interior (United States)

    Guillot, Tristan; Miguel, Yamila; Hubbard, William B.; Kaspi, Yohai; Reese, Daniel; Helled, Ravit; Galanti, Eli; Militzer, Burkhard; Wahl, Sean; Folkner, William M.; Anderson, John; Iess, Luciano; Durante, Daniele; Parisi, Marzia; Stevenson, David J.


    The first orbits of Juno around Jupiter have led to a considerable improvement in the measurement of the planet's even gravitational moments. We will discuss how this leads to better constraints on jovian interior models, and how internal differential rotation and equations of state play an important part in the analysis.

  2. Building of Requirement: Liberating Academic Interior Architecture (United States)

    McLane, Yelena; Dawkins, Jim


    The authors focus on the strategies employed in the recent renovation of the William Johnston Building at Florida State University, in which the historical exterior was preserved, while the interiors were adapted to new functions as classrooms, study centers, and common spaces with intentionally undefined purposes. The building's various use…

  3. Enzyme decorated drug carriers: Targeted swords to cleave and overcome the mucus barrier. (United States)

    Menzel, Claudia; Bernkop-Schnürch, Andreas


    The use of mucus permeating drug carrier systems being able to overcome the mucus barrier can lead to a remarkable enhancement in bioavailability. One promising approach is the design of mucolytic enzyme decorated carrier systems (MECS). These systems include micro- and nanoparticles as well as self-emulsifying drug delivery systems (SEDDS) decorated with mucin cleaving enzymes such as papain (PAP) or bromelain (BRO). MECS are able to cross the mucus barrier in a comparatively efficient manner by cleaving mucus substructures in front of them on their way to the epithelium. Thereby these enzymes hydrolyze peptide bonds of mucus glycoproteins forming tiny holes or passages through the mucus. In various in vitro and in vivo studies MECS proved to be superior in their mucus permeating properties over nanocarriers without enzyme decoration. PAP decorated nanoparticles, for instance, remained 3h after oral administration to an even 2.5-fold higher extend in rat small intestine than the corresponding undecorated nanoparticles permeating the intestinal mucus gel layer to a much lower degree. As MECS break up the mucus network only locally without destroying its overall protective barrier function, even long term treatments with such systems seem feasible. Within this review article we address different drug carrier systems decorated with various types of enzymes, their particular pros and cons and potential applications. Copyright © 2017 Elsevier B.V. All rights reserved.

  4. Magnetic and optical properties of carbon and silicon decorated free standing buckled germanene: A DFT approach (United States)

    Dhar, Namrata; Jana, Debnarayan


    Ab initio magnetic and optical properties of group IV elements (carbon (C) and silicon (Si)) decorated free standing (FS) buckled germanene systems have been employed theoretically. Our study elucidates that, decoration of these elements in proper sites with suitable concentrations form dynamically stable configurations. Band structure is modified due to decoration of these atoms in Ge-nanosheet and pristine semi-metallic germanene undergoes to semiconductors with a finite amount of bandgap. Interestingly, this bandgap value meets closely the requirement of gap for field effect transistor (FET) applications. Moreover, significant magnetic moment is induced in non-magnetic germanene for C decorated structure and ground state in anti-ferromagnetic in nature for this structure. Along with magnetic property, optical properties like dielectric functions, optical absorption, electron energy loss spectra (EELS), refractive index and reflectivity of these systems have also been investigated. Maximum number of plasma frequencies appear for Si decorated configuration considering both parallel and perpendicular polarizations. In addition, birefringence characteristics of these configurations have also been studied as it is an important parameter in various applications of optical devices, liquid crystal displays, light modulators etc.

  5. Nanoparticle decoration with surfactants: Molecular interactions, assembly, and applications (United States)

    Heinz, Hendrik; Pramanik, Chandrani; Heinz, Ozge; Ding, Yifu; Mishra, Ratan K.; Marchon, Delphine; Flatt, Robert J.; Estrela-Lopis, Irina; Llop, Jordi; Moya, Sergio; Ziolo, Ronald F.


    Nanostructures of diverse chemical nature are used as biomarkers, therapeutics, catalysts, and structural reinforcements. The decoration with surfactants has a long history and is essential to introduce specific functions. The definition of surfactants in this review is very broad, following its lexical meaning ;surface active agents;, and therefore includes traditional alkyl modifiers, biological ligands, polymers, and other surface active molecules. The review systematically covers covalent and non-covalent interactions of such surfactants with various types of nanomaterials, including metals, oxides, layered materials, and polymers as well as their applications. The major themes are (i) molecular recognition and noncovalent assembly mechanisms of surfactants on the nanoparticle and nanocrystal surfaces, (ii) covalent grafting techniques and multi-step surface modification, (iii) dispersion properties and surface reactions, (iv) the use of surfactants to influence crystal growth, as well as (v) the incorporation of biorecognition and other material-targeting functionality. For the diverse materials classes, similarities and differences in surfactant assembly, function, as well as materials performance in specific applications are described in a comparative way. Major factors that lead to differentiation are the surface energy, surface chemistry and pH sensitivity, as well as the degree of surface regularity and defects in the nanoparticle cores and in the surfactant shell. The review covers a broad range of surface modifications and applications in biological recognition and therapeutics, sensors, nanomaterials for catalysis, energy conversion and storage, the dispersion properties of nanoparticles in structural composites and cement, as well as purification systems and classical detergents. Design principles for surfactants to optimize the performance of specific nanostructures are discussed. The review concludes with challenges and opportunities.

  6. Graphene oxide decorated electrospun gelatin nanofibers: Fabrication, properties and applications

    Energy Technology Data Exchange (ETDEWEB)

    Jalaja, K. [Department of Chemistry, Indian Institute of Space Science and Technology, Valiamala, Thiruvananthapuram, Kerala 695 547 (India); Sreehari, V.S. [Indian Institute of Science Education and Research Bhopal, Bhauri, Madhya Pradesh 462066 (India); Kumar, P.R. Anil [Tissue culture laboratory, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Poojappura, Thiruvananthapuram, Kerala 695 012 (India); Nirmala, R. James, E-mail: [Department of Chemistry, Indian Institute of Space Science and Technology, Valiamala, Thiruvananthapuram, Kerala 695 547 (India)


    Gelatin nanofiber fabricated by electrospinning process is found to mimic the complex structural and functional properties of natural extracellular matrix for tissue regeneration. In order to improve the physico-chemical and biological properties of the nanofibers, graphene oxide is incorporated in the gelatin to form graphene oxide decorated gelatin nanofibers. The current research effort is focussed on the fabrication and evaluation of physico-chemical and biological properties of graphene oxide-gelatin composite nanofibers. The presence of graphene oxide in the nanofibers was established by transmission electron microscopy (TEM). We report the effect of incorporation of graphene oxide on the mechanical, thermal and biological performance of the gelatin nanofibers. The tensile strength of gelatin nanofibers was increased from 8.29 ± 0.53 MPa to 21 ± 2.03 MPa after the incorporation of GO. In order to improve the water resistance of nanofibers, natural based cross-linking agent, namely, dextran aldehyde was employed. The cross-linked composite nanofibers showed further increase in the tensile strength up to 56.4 ± 2.03 MPa. Graphene oxide incorporated gelatin nanofibers are evaluated for bacterial activity against gram positive (Staphylococcus aureus) and gram negative (Escherichia coli) bacteria and cyto compatibility using mouse fibroblast cells (L-929 cells). The results indicate that the graphene oxide incorporated gelatin nanofibers do not prevent bacterial growth, nevertheless support the L-929 cell adhesion and proliferation. - Highlights: • Graphene oxide nano reinforced gelatin nanofibers are fabricated by electrospinning. • Graphene oxide (0.5%) loading resulted in increased tensile strength. • GO/gelatin nanofibers are cross-linked with dextran aldehyde. • Composite nanofibers favoured adhesion of L-929 cells. • GO/gelatin mats do not prevent bacterial growth.

  7. [Pattern recognition of decorative papers with different visual characteristics using visible spectroscopy coupled with principal component analysis (PCA)]. (United States)

    Zhang, Mao-mao; Yang, Zhong; Lu, Bin; Liu, Ya-na; Sun, Xue-dong


    As one of the most important decorative materials for the modern household products, decorative papers impregnated with melamine not only have better decorative performance, but also could greatly improve the surface properties of materials. However, the appearance quality (such as color-difference evaluation and control) of decorative papers, as an important index for the surface quality of decorative paper, has been a puzzle for manufacturers and consumers. Nowadays, human eye is used to discriminate whether there exist color difference in the factory, which is not only of low efficiency but also prone to bring subjective error. Thus, it is of great significance to find an effective method in order to realize the fast recognition and classification of the decorative papers. In the present study, the visible spectroscopy coupled with principal component analysis (PCA) was used for the pattern recognition of decorative papers with different visual characteristics to investigate the feasibility of visible spectroscopy to rapidly recognize the types of decorative papers. The results showed that the correlation between visible spectroscopy and visual characteristics (L*, a* and b*) was significant, and the correlation coefficients wereup to 0.85 and some was even more than 0. 99, which might suggest that the visible spectroscopy reflected some information about visual characteristics on the surface of decorative papers. When using the visible spectroscopy coupled with PCA to recognize the types of decorative papers, the accuracy reached 94%-100%, which might suggest that the visible spectroscopy was a very potential new method for the rapid, objective and accurate recognition of decorative papers with different visual characteristics.

  8. Investigation of ionizing radiation shielding effectiveness of decorative building materials used in Bangladeshi dwellings (United States)

    Yesmin, Sabina; Sonker Barua, Bijoy; Uddin Khandaker, Mayeen; Tareque Chowdhury, Mohammed; Kamal, Masud; Rashid, M. A.; Miah, M. M. H.; Bradley, D. A.


    Following the rapid growing per capita income, a major portion of Bangladeshi dwellers is upgrading their non-brick houses by rod-cement-concrete materials and simultaneously curious to decorate the houses using luxurious marble stones. Present study was undertaken to investigate the gamma-ray attenuation co-efficient of decorative marble materials leading to their suitability as shielding of ionizing radiation. A number of commercial grades decorative marble stones were collected from home and abroad following their large-scale uses. A well-shielded HPGe γ-ray spectrometer combined with associated electronics was used to evaluate the mass attenuation coefficients of the studied materials for high energy photons. Some allied parameters such as half-value layer and radiation protection efficacy of the investigated marbles were calculated. The results showed that among the studied samples, the marble 'Carrara' imported from Italy is suitable to be used as radiation shielding material.

  9. Broad spectral photocurrent enhancement in Au-decorated CdSe nanowires

    KAUST Repository

    Chakraborty, Ritun


    Metal-semiconductor hybrid nanostructures promise improved photoconductive performance due to plasmonic properties of the metal portions and intrinsic electric fields at the metal-semiconductor interface that possibly enhance charge separation. Here we report gold decorated CdSe nanowires as a novel functional material and investigate the influence of gold decoration on the lateral facets on the photoconductive properties. Gold decorated nanowires show typically an at least ten-fold higher photocurrent as compared to their bare counterparts. Interestingly, the photocurrent enhancement is wavelength independent, although the plasmon resonance related to the gold particles appears in the absorption spectra. Our experiments show that light scattering and Schottky fields associated with the metal-semiconductor interface are at the origin of the photocurrent enhancement. © 2013 The Royal Society of Chemistry.

  10. Synthesis and enhanced humidity detection response of nanoscale Au-particle-decorated ZnS spheres. (United States)

    Liang, Yuan-Chang; Liu, Shang-Luen


    We successfully prepared Au-nanoparticle-decorated ZnS (ZnS-Au) spheres by sputtering Au ultrathin films on surfaces of hydrothermally synthesized ZnS spheres and subsequently postannealed the samples in a high-vacuum atmosphere. The Au nanoparticles were distributed on ZnS surfaces without substantial aggregation. The Au nanoparticle diameter range was 5 to 10 nm. Structural information showed that the surface of the annealed ZnS-Au spheres became more irregular and rough. A humidity sensor constructed using the Au-nanoparticle-decorated ZnS spheres demonstrated a substantially improved response to the cyclic change in humidity from 11% relative humidity (RH) to 33% to 95% RH at room temperature. The improved response was associated with the enhanced efficiency of water molecule adsorption onto the surfaces of the ZnS because of the surface modification of the ZnS spheres through noble-metal nanoparticle decoration.

  11. Boron nitride nanosheets decorated with silver nanoparticles through mussel-inspired chemistry of dopamine

    International Nuclear Information System (INIS)

    Roy, Arup Kumer; In, Insik; Park, Byoungnam; Lee, Kang Seok; Park, Sung Young


    Boron nitride nanosheet (BNNS) decorated with silver nanoparticles (AgNPs) was successfully synthesized via mussel-inspired chemistry of dopamine. Poly(dopamine)-functionalized BNNS (PDA-BNNS) was prepared by adding dopamine into the aqueous dispersion of hydroxylated BNNS (OH-BNNS) at alkaline condition. AgNPs were decorated on PDA-BNNS through spontaneous reduction of silver cations by catechol moieties of a PDA layer on BNNS, resulting in AgNP-BNNS with good dispersion stability. Incorporation of PDA on BNNS not only played a role as a surface functionalization method of BNNS, but also provided a molecular platform for creating very sophisticated two-dimensional (2D) BNNS-based hybrid nanomaterials such as metal nanoparticle-decorated BNNS. (paper)

  12. The Decoration Operator: A Foundation for On-Line Dimensional Data Integration

    DEFF Research Database (Denmark)

    Pedersen, Dennis; Pedersen, Torben Bach; Riis, Karsten


    The changing data requirements of today's dynamic business environments are not handled well by current On-Line Analytical Processing (OLAP) systems. Physically integrating unexpected, external data into OLAP cubes, i.e., the data warehousing approach, is a long and time-consuming process, making...... logical, on-the-fly, integration the better choice in many situations. However, OLAP systems have no operations for integrating existing multidimensional cube data with external data. In this paper we present a novel multidimensional algebra operator, the decoration operator, which allows external data...... to be integrated in OLAP cubes as new dimensions, i.e., the cube is ``decorated'' with new dimensions which can subsequently be used just as the regular dimensions. We formally specify the semantics of the decoration operator, ensuring that semantic problems do not occur in the data integration process. We also...

  13. Stable Poly(methacrylic acid Brush Decorated Silica Nano-Particles by ARGET ATRP for Bioconjugation

    Directory of Open Access Journals (Sweden)

    Marcello Iacono


    Full Text Available The synthesis of polymer brush decorated silica nano-particles is demonstrated by activator regeneration by electron transfer atom transfer radical polymerization (ARGET ATRP grafting of poly(tert-butyl methacrylate. ATRP initiator decorated silica nano-particles were obtained using a novel trimethylsiloxane derivatised ATRP initiator obtained by click chemistry. Comparison of de-grafted polymers with polymer obtained from a sacrificial initiator demonstrated good agreement up to 55% monomer conversion. Subsequent mild deprotection of the tert-butyl ester groups using phosphoric acid yielded highly colloidal and pH stable hydrophilic nano-particles comprising approximately 50% methacrylic acid groups. The successful bio-conjugation was achieved by immobilization of Horseradish Peroxidase to the polymer brush decorated nano-particles and the enzyme activity demonstrated in a conversion of o-phenylene diamine dihydrochloride assay.

  14. Metal-Particle-Decorated ZnO Nanocrystals: Photocatalysis and Charge Dynamics. (United States)

    Lin, Wei-Hao; Chiu, Yi-Hsuan; Shao, Pao-Wen; Hsu, Yung-Jung


    Understanding of charge transfer processes is determinant to the performance optimization for semiconductor photocatalysts. As a representative model of composite photocatalysts, metal-particle-decorated ZnO has been widely employed for a great deal of photocatalytic applications; however, the dependence of charge carrier dynamics on the metal content and metal composition and their correlation with the photocatalytic properties have seldom been reported. Here, the interfacial charge dynamics for metal-decorated ZnO nanocrystals were investigated and their correspondence with the photocatalytic properties was evaluated. The samples were prepared with a delicate antisolvent approach, in which ZnO nanocrystals were grown along with metal particle decoration in a deep eutectic solvent. By modulating the experimental conditions, the metal content (from 0.6 to 2.3 at%) and metal composition (including Ag, Au, and Pd) in the resulting metal-decorated ZnO could be readily controlled. Time-resolved photoluminescence spectra showed that an optimal Au content of 1.3 at% could effectuate the largest electron transfer rate constant for Au-decorated ZnO nanocrystals, in conformity with the highest photocatalytic efficiency observed. The relevance of charge carrier dynamics to the metal composition was also inspected and realized in terms of the energy level difference between ZnO and metal. Among the three metal-decorated ZnO samples tested, ZnO-Pd displayed the highest photocatalytic activity, fundamentally according with the largest electron transfer rate constant deduced in carrier dynamics measurements. The current work was the first study to present the correlations among charge carrier dynamics, metal content, metal composition, and the resultant photocatalytic properties for semiconductor/metal heterostructures. The findings not only helped to resolve the standing issues regarding the mechanistic foundation of photocatalysis but also shed light on the intelligent design

  15. MoS₂ decoration by Mo-atoms and the MoS₂-Mo-graphene heterostructure: a theoretical study. (United States)

    Kvashnin, D G; Sorokin, P B; Seifert, G; Chernozatonskii, L A


    Here we propose a completely new covalent heterostructure based on graphene and self-decorated MoS2 monolayers. Detailed investigation of the decoration process of the MoS2 surface by Mo adatoms was performed using first principles DFT methods. Comparison between valence-only and semicore pseudopotentials was performed to correctly describe the interaction between Mo adatoms and the MoS2 surface. It was found that self-decoration by Mo atoms is favorable from an energetic point of view. We studied in detail various decoration paths of Mo atoms on the MoS2 surface. The strong variation of electronic properties after the decoration of MoS2 was found. The impact of the presence of Mo adatoms on the electronic properties of the graphene/MoS2 heterostructure was shown.

  16. Electromagnetic sounding of the Earth's interior

    CERN Document Server

    Spichak, Viacheslav V


    Electromagnetic Sounding of the Earth's Interior 2nd edition provides a comprehensive up-to-date collection of contributions, covering methodological, computational and practical aspects of Electromagnetic sounding of the Earth by different techniques at global, regional and local scales. Moreover, it contains new developments such as the concept of self-consistent tasks of geophysics and , 3-D interpretation of the TEM sounding which, so far, have not all been covered by one book. Electromagnetic Sounding of the Earth's Interior 2nd edition consists of three parts: I- EM sounding methods, II- Forward modelling and inversion techniques, and III - Data processing, analysis, modelling and interpretation. The new edition includes brand new chapters on Pulse and frequency electromagnetic sounding for hydrocarbon offshore exploration. Additionally all other chapters have been extensively updated to include new developments. Presents recently developed methodological findings of the earth's study, including seism...

  17. Elemen Pembentuk Makna pada Sebuah Interior Arsitektur

    Directory of Open Access Journals (Sweden)

    Dila Hendrassukma


    Full Text Available Along with the increasing needs of the community, also increasing the need for space to accommodated those needs. With limited space available nowadays, it is not uncommon to change the old buildings’ function as a place to meet the social growing need of the space. However, it is must be remembered by architects and interior architects when changing the functions of a space that the old space has its own histories and particular meaning to people who had ever occupied it. Those histories and meanings should be included in the creation of the new function. Article gives and describes elements that need to be known in order to understand the sense of a space, such as drawing plans, scale, proportion, movement, transition and access that embodied in the architecture and interior space. Qualitative methods by literature study is used in the making of this article.. 

  18. 41 CFR 102-42.65 - What happens if the Commission on Art and Antiquities does not dispose of a gift or decoration? (United States)


    ... Commission on Art and Antiquities does not dispose of a gift or decoration? 102-42.65 Section 102-42.65... AND DECORATIONS General Provisions Special Disposals § 102-42.65 What happens if the Commission on Art and Antiquities does not dispose of a gift or decoration? If the Commission on Art and Antiquities...

  19. Realization of FRC interior and exterior furniture (United States)

    Šonka, Š.; Frantová, M.; Štemberk, P.; Havrda, J.; Janouch, P.


    This article deals with the implementation of fibre reinforced concrete for interior and exterior furniture. The use of fibre reinforced concrete for non-traditional and small structures brings some specifics in design and realization. These are, in particular, the design of a suitable mixture, the choice of the shape of the structure in relation to the technological possibilities of realization, the static effects and finally the actual production of the element.

  20. Calidad ambiental interior: bienestar, confort y salud

    Directory of Open Access Journals (Sweden)

    Francisco Vargas Marcos


    Full Text Available Distintas formas de interpretar las condiciones ambientales han llevado al desarrollo de conceptos tales como edificio enfermo, calidad del aire o calidad ambiental interior, todos ellos encaminados a entender la complejidad de los contaminantes en los ambientes cerrados y las implicaciones sobre la salud de la población. La propuesta de "Calidad ambiental interior" es un avance conceptual y operativo que supera ampliamente a los anteriores, puesto que orienta las acciones hacia ambientes saludables sin limitar al aire la idea de contaminación. El objetivo del trabajo es identificar las competencias y el marco legislativo que permiten actuar en la prevención de riesgos asociados a la exposición de contaminantes en ambientes interiores. Óptimas condiciones en los ambientes interiores deben redundar en salud, bienestar y confort, tanto en lo que respecta a la vida laboral como a los ámbitos donde se desarrollan las actividades cotidianas extralaborales, escolares, de descanso y de ocio. La sociedad actual exige lugares seguros, limpios y bien climatizados, para lo que es necesario integrar percepciones y exigencias de los habitantes y alcanzar un óptimo equilibrio entre estándares sociales, uso de la energía y desarrollo sostenible, buscando confort sin contaminar y sin aumentar el consumo de fuentes energéticas que degraden el medio ambiente. El desarrollo legislativo se orienta a la seguridad y la salud en los lugares de trabajo y la regulación de las sustancias químicas. La Sanidad Ambiental lleva a cabo tareas de prevención y control, participa en la ejecución de convenios internacionales de reducción de contaminantes y desechos y promueve acciones para el desarrollo de la Estrategia Europea de Salud y Medio Ambiente.

  1. Giant Planet Interior Structure and Thermal Evolution


    Fortney, Jonathan J.; Baraffe, Isabelle; Militzer, Burkhard


    We discuss the interior structure and composition of giant planets, and how this structure changes as these planets cool and contract over time. Here we define giant planets as those that have an observable hydrogen-helium envelope, which includes Jupiter-like planets, which are predominantly H/He gas, and Neptune-like planets which are predominantly composed of elements heavier than H/He. We describe the equations of state of planetary materials and the construction of static structural mode...

  2. Physics of the Earth’s Interior


    Romanowicz, Barbara; Corvol, Pierre; Romanowicz, Barbara


    Earthquakes, tsunamis, volcanic eruptions: the extent of certain recent natural disasters and their dramatic consequences have reminded us of the power of terrestrial phenomena and of the need for scientific research to understand the Earth’s dynamics more fully. Over the last twenty years the study of the Earth’s interior has witnessed a real revolution, owing in particular to the development of increasingly sophisticated seismic tomography techniques and the powerful computations made possi...

  3. Process design (exterior – interior design)


    Sandeva, Vaska; Despot, Katerina


    The design is a complex process of spatial organization and creative problem object. It switched to the study of complex natural conditions (analysis and evaluation) and the development of compositional solution structure of the object. Construction and shaping of all buildings whether it is exterior or interior, be it street, Square apartment building, park or greater forest massif, public facility (administrative buildings, hospitals, schools, galleries etc.), residential object (garsion...

  4. Gravitational Higgs mechanism in neutron star interiors (United States)

    Coates, Andrew; Horbatsch, Michael W.; Sotiriou, Thomas P.


    We suggest that nonminimally coupled scalar fields can lead to modifications of the microphysics in the interiors of relativistic stars. As a concrete example, we consider the generation of a nonzero photon mass in such high-density environments. This is achieved by means of a light gravitational scalar, and the scalarization phase transition in scalar-tensor theories of gravitation. Two distinct models are presented, and phenomenological implications are briefly discussed.

  5. Interiors of the Planets [Book Review


    Stevenson, D. J.


    The number of scientists devoted to the problems of planetary interiors (especially for planets other than the Earth) is small, appropriately so in view of the limited data base. However, the recent results from deep space missions together with recent rapid advances in high pressure physics are providing planetary modelers with well-constrained problems and solutions of limited ambiguity. These advances are important and interesting for a wide community of planetary and oth...

  6. Perancangan Interior Hershey's Chocolate World Di Surabaya


    IGN. Ardana, Elisa Novita


    Chocolate is a food which is loved by many people, regardless of age. Currently, chocolate's type, flavor, and shapes is different and have varied. Nevertheless, the selling system of chocolate in Surabaya is still very conventional. In order for the chocolate sales to grow and become a profitable business opportunity, it is necessary to design the interior of chocolate shop that provides a challenge to the public to learn how to produce chocolate as a part of shopping activity and simultaneo...

  7. Asymmetric interiors for small black holes

    Energy Technology Data Exchange (ETDEWEB)

    Kabat, Daniel [Department of Physics and Astronomy, Lehman College,City University of New York, Bronx NY 10468 (United States); Lifschytz, Gilad [Department of Mathematics, Faculty of Natural Science,University of Haifa, Haifa 31905 (Israel)


    We develop the representation of infalling observers and bulk fields in the CFT as a way to understand the black hole interior in AdS. We first discuss properties of CFT states which are dual to black holes. We then show that in the presence of a Killing horizon bulk fields can be decomposed into pieces we call ingoing and outgoing. The ingoing field admits a simple operator representation in the CFT, even inside a small black hole at late times, which leads to a simple CFT description of infalling geodesics. This means classical infalling observers will experience the classical geometry in the interior. The outgoing piece of the field is more subtle. In an eternal two-sided geometry it can be represented as an operator on the left CFT. In a stable one-sided geometry it can be described using entanglement via the PR construction. But in an evaporating black hole trans-horizon entanglement breaks down at the Page time, which means that for old black holes the PR construction fails and the outgoing field does not see local geometry. This picture of the interior allows the CFT to reconcile unitary Hawking evaporation with the classical experience of infalling observers.

  8. Memahami Estetika dari Sudut Pandang Desain Interior

    Directory of Open Access Journals (Sweden)

    Yunida Sofiana


    Full Text Available The term aesthetic has always become part of design. Without aesthetic, design has just a functional object. Aesthetic in design, particularly in interior design, has been influenced by many factors, which are aesthetic value, aesthetic perception, and time frame. Aesthetic has subjective meaning related to time frame and objective meaning related to implementation of element and principles of design on aesthetic term. Aesthetic perception is how we judge and see the object using our own thinking and value. Time frame is where and when the aesthetic value happens. Interior design trend right now has been influenced by technology in many ways so the concept of modern design theme is always the best choice for designer. However, using modern theme as a design concept has to be implemented as a whole theme and related to aesthetical value so that the design will gain much appreciation from others. This paper used deductive method to explain the theory of aesthetic and the implementation of aesthetic value in interior design context. Design should speak louder than it looked. 

  9. Temporal trends of forest interior conditions in the United States (United States)

    Kurt Riitters; James. Wickham


    Nature's benefits derived from forest interior environments cannot be sustained if the natural capital of forest interior area is not sustained. We analyzed the spatial patterns of forest loss and gain for the conterminous United States from 2001 to 2006 to determine whether forest interior environments were maintained at five spatial scales. A 1.1 percent net...

  10. Interior design students win two IDEC Student Design Competition awards


    Watson-Bloch, Cathy


    Interior Design students in the School of Architecture + Design at Virginia Tech won two of the four awards presented in the 2004-2005 Interior Design Educators Council (IDEC) Student Design Competition. Winners were selected at the International IDEC Conference in Savannah, Ga. with Virginia Tech Interior Design students winning second place and honorable mention.

  11. Facile Hydrothermal Synthesis and Enhanced Methane Sensing Properties of Pt-Decorated ZnO Nanosheets. (United States)

    Zhou, Qu; Hong, Changxiang; Li, Zhiguang; Peng, Shudi; Wu, Gaolin; Wang, Qian; Zhang, Qingyan; Xu, Lingna


    Pure and Pt-decorated ZnO nanosheets were synthesized via a facile and environment-friendly hydrothermal process, and characterized by X-ray powder diffraction (XRD), field-emission scanning electron microscopy (FESEM) and energy dispersive X-ray spectroscopy (EDS), respectively. Side-heated chemical gas sensors were fabricated with the synthesized ZnO based powders and their sensing properties to methane CH4, an important characteristic hydrocarbon contaminant extracted from power transformer oil with overheating or discharging fault, were systemically investigated. Interestingly, Pt decoration not only obviously increased the gas response of sensor fabricated with the synthesized ZnO nanosheets to CH4, but also effectively reduced its optimum operating temperature. Its highest response to 50 ppm of CH4 was about 63.45 at 240 °C, which was about two times larger when compared with the pure one. Meanwhile, the Pt-decorated ZnO nanosheets sensor exhibited shorter response-recovery characteristic, good linearity in low concentration range and excellent stability towards CH4. Those superior sensing features indicate the synthesized Pt-decorated ZnO nanosheets is a promising candidate for fabricating high-performance CH4 sensor.

  12. Design and Manufacture of a Novel LED Table Lamp with Flower Decoration

    Directory of Open Access Journals (Sweden)

    Tzer-Ming Jeng


    Full Text Available This work involved the design and manufacture of a novel LED table lamp that provides for flower decoration. It is a combination of a normal LED table lamp and attachments holding flower arrangement frogs. In this application the frogs, as used for traditional flower arrangements, became heat sinks for the LED units. They are made of an aluminum alloy to give good heat transfer and dissipation. In any case since they are fixed to the unit they do not need to be very heavy. The design features of this novel flower-arrangement LED table lamp are: (1 the use of a light aluminum alloy flower decoration frog as a heat sink which gives both high heat dissipation and allows decorative flower arrangement; (2 the installation of LED lamps at three points of the same plate above a cylinder covered with a glass lampshade to achieve a beautiful effect; (3 to provide three different lighting modes for reading, use as a night light and for flower decoration. This novel LED table lamp meets all the energy-saving and environmental protection requirements. It has commercial potential in the market for LED lamps.

  13. Hydrogen and fluorine co-decorated silicene: A first principles study of piezoelectric properties

    International Nuclear Information System (INIS)

    Noor-A-Alam, Mohammad; Kim, Hye Jung; Shin, Young-Han


    A low-buckled silicene monolayer being centrosymmetric like graphene, in contrast to a piezoelectric hexagonal boron nitride (h-BN), is not intrinsically piezoelectric. However, based on first principles calculations, we show that chemical co-decoration of hydrogen (H) and fluorine (F) on opposite sides of silicene (i.e., one side is decorated with H, while the other one is with F) breaks the centrosymmetry. Redistributing the charge density due to the electronegativity difference between the atoms, non-centrosymmetric co-decoration induces an out-of-plane dipolar polarization and concomitant piezoelectricity into non-piezoelectric silicene monolayer. Our piezoelectric coefficients are comparable with other known two-dimensional piezoelectric materials (e.g., hydrofluorinated graphene/h-BN) and some bulk semiconductors, such as wurtzite GaN and wurtzite BN. Moreover, because of silicene's lower elastic constants compared to graphene or h-BN, piezoelectric strain constants are found significantly larger than those of hydrofluorinated graphene/h-BN. We also predict that a wide range of band gaps with an average of 2.52 eV can be opened in a low-buckled gapless semi-metallic silicene monolayer by co-decoration of H and F atoms on the surface

  14. Nano-rod Ca-decorated sludge derived carbon for removal of phosphorus. (United States)

    Kong, Lingjun; Han, Meina; Shih, Kaimin; Su, Minhua; Diao, Zenghui; Long, Jianyou; Chen, Diyun; Hou, Li'an; Peng, Yan


    Recovering phosphorus (P) from waste streams takes the unique advantage in simultaneously addressing the crisis of eutrophication and the shortage of P resource. A novel calcium decorated sludge carbon (Ca-SC) was developed from dyeing industry wastewater treatment sludge by decorating calcium (Ca) to effectively adsorb phosphorus from solution. The X-ray diffraction (XRD) and Fourier transform infrared (FTIR) techniques were used to characterize the Ca-SCs, followed by isotherm and kinetic sorption experiments. A preferred design with CaCO 3 to sludge mass ratio of 1:2 was found to have a sorption capacity of 116.82 mg/g for phosphorus. This work reveals the crucial role of well-dispersed nano-rod calcium on the Ca-SC surface for the sorption of phosphorus. Moreover, the decoration of nano-rod calcium was found to further promote the uptake of phosphorus through the formation of hydroxylapatite (Ca 5 (PO 4 ) 3 (OH)). Thus, the development of decorated Ca-SC for sorption of phosphorus is very important in solving the P pollution and resource loss. Copyright © 2017 Elsevier Ltd. All rights reserved.

  15. The use of micro-XRD for the study of glaze color decorations

    Energy Technology Data Exchange (ETDEWEB)

    Pradell, T.; Molina, G. [Universitat Politecnica de Catalunya, Dpt. Fisica i Enginyeria Nuclear, Castelldefels (Spain); Molera, J.; Pla, J. [Universitat de Vic, GRTD, Escola Politecnica Superior, Vic (Spain); Labrador, A. [BM16-ESRF, LLS, BP 220, Grenoble Cedex (France); Lund University, MAX IV Laboratory, Lund (Sweden)


    The compounds responsible for the colors and decorations in glass and glazed ceramics include: coloring agents (transition-metal ions), pigments (micro- and nanoprecipitates of compounds that either do not dissolve or recrystallize in the glassy matrix) and opacifiers (microcrystalline compounds with high light scattering capability). Their composition, structure and range of stability are highly dependent not only on the composition but also on the procedures followed to obtain them. Chemical composition of the colorants and crystallites may be obtained by means of SEM-EDX and WDX. Synchrotron radiation micro-X-ray diffraction (SR-micro-XRD) has a small beam size adequate (10 to 50 microns footprint size) to obtain the structural information of crystalline compounds and high brilliance, optimal for determining the crystallites even when present in low amounts. In addition, in glass decorations the crystallites often appear forming thin layers (from 10 to 100 micrometers thick) and they show a depth-dependent composition and crystal structure. Their nature and distribution across the glass/glaze decorations gives direct information on the technology of production and stability and may be related to the color and appearance. A selection of glass and glaze coloring agents and decorations are studied by means of SR-micro-XRD and SEM-EDX including: manganese brown, antimony yellow, red copper lusters and cobalt blue. The selection includes Medieval (Islamic, and Hispano Moresque) and Renaissance tin-glazed ceramics from the 10th to the 17th century AD. (orig.)

  16. Coexistence of positive and negative photoconductivity in nickel oxide decorated multiwall carbon nanotubes

    Energy Technology Data Exchange (ETDEWEB)

    Jiménez-Marín, E. [Departamento de Ingeniería en Metalurgia y Materiales, Escuela Superior de Ingeniería Química e Industrias Extractivas, Instituto Politécnico Nacional, Ciudad de México 07300 (Mexico); Villalpando, I. [Centro de Investigación para los Recursos Naturales, Salaices, Chihuahua 33941 (Mexico); Trejo-Valdez, M. [Escuela Superior de Ingeniería Química e Industrias Extractivas, Instituto Politécnico Nacional, México, Ciudad de México 07738 (Mexico); Cervantes-Sodi, F. [Departamento de Física y Matemáticas, Universidad Iberoamericana, Prolongación Paseo de la Reforma 880, Lomas de Santa Fe, Ciudad de México 01219 (Mexico); Vargas-García, J.R. [Centro de Nanociencias y Micro y Nanotecnologías del Instituto Politécnico Nacional, Ciudad de México 07738 (Mexico); Torres-Torres, C., E-mail: [Sección de Estudios de Posgrado e Investigación, Escuela Superior de Ingeniería Mecánica y Eléctrica Unidad Zacatenco, Instituto Politécnico Nacional, Ciudad de México 07738 (Mexico)


    Highlights: • Nickel oxide decorated carbon nanotubes were prepared by chemical vapor deposition. • Contrast in photoconductivity phenomena in the nanohybrid was analyzed. • Electrical and nonlinear optical properties were evaluated. • A Wheatstone bridge sensor based metal/carbon nanostructures was proposed. - Abstract: Within this work was explored the influence of nickel oxide decoration on the photoconductive effects exhibited by multiwall carbon nanotubes. Samples in thin film form were prepared by a chemical vapor deposition method. Experiments for evaluating the photo-response of the nanomaterials at 532 nanometers wavelength were undertaken. A contrasting behavior in the photoelectrical characteristics of the decorated nanostructures was analyzed. The decoration technique allowed us to control a decrease in photoconduction of the sample from approximately 100 μmhos/cm to −600 μmhos/cm. Two-wave mixing experiments confirmed an enhancement in nanosecond nonlinearities derived by nickel oxide contributions. It was considered that metallic nanoparticles present a strong responsibility for the evolution of the optoelectronic phenomena in metal/carbon nanohybrids. Impedance spectroscopy explorations indicated that a capacitive behavior correspond to the samples. A potential development of high-sensitive Wheatstone bridge sensors based on the optoelectrical performance of the studied samples was proposed.

  17. Magnetic properties and thermodynamics of decorated Ising chain with pendants of arbitrary spin

    Energy Technology Data Exchange (ETDEWEB)

    Li Wei, E-mail: [College of Physical Sciences, Graduate University of Chinese Academy of Sciences, P.O. Box 4588, Beijing 100049 (China); Department of Physics, Beihang University, Beijing 100191 (China); Gong Shoushu [College of Physical Sciences, Graduate University of Chinese Academy of Sciences, P.O. Box 4588, Beijing 100049 (China); Chen Ziyu [Department of Physics, Beihang University, Beijing 100191 (China); Zhao Yang [College of Physical Sciences, Graduate University of Chinese Academy of Sciences, P.O. Box 4588, Beijing 100049 (China); Su Gang, E-mail: [College of Physical Sciences, Graduate University of Chinese Academy of Sciences, P.O. Box 4588, Beijing 100049 (China)


    The decorated Ising chain with pendants of arbitrary spin and the single-ion anisotropy is exactly solved by the transfer matrix method. The solutions reveal abundant novel properties than the conventional one-dimensional Ising model. It is compared with the experimental data of a necklace-like molecule-based magnet, that gives a qualitative consistency.

  18. Magnetic properties and thermodynamics of decorated Ising chain with pendants of arbitrary spin

    International Nuclear Information System (INIS)

    Li Wei; Gong Shoushu; Chen Ziyu; Zhao Yang; Su Gang


    The decorated Ising chain with pendants of arbitrary spin and the single-ion anisotropy is exactly solved by the transfer matrix method. The solutions reveal abundant novel properties than the conventional one-dimensional Ising model. It is compared with the experimental data of a necklace-like molecule-based magnet, that gives a qualitative consistency.

  19. Imine-linked receptors decorated ZnO-based dye-sensitized solar cells

    Indian Academy of Sciences (India)

    able for bio-applications (bio-imaging and dentistry) [9]. A number of research papers have been studied regarding the use of ruthenium–metal complexes for DSSCs [10–16]. Polymer-decorated ZnO (with imine-linked receptors and ruthenium–metal complex) in the fabrication of DSSCs has not been investigated earlier.

  20. Reading Ancient Reliefs: An Approach to Interperation of Architectural Decoration in Historical and Political Context

    Directory of Open Access Journals (Sweden)

    Mgr. Lucia Novakova


    Full Text Available Ancient treasuries promoted wealth and prosperity of the donation community. Preserved relief scenes portrayed mythological stories used for expressing certain characteristic reflection of reality (chaos, wilderness, heroism, etc. By analyzing historical sources is possible to assign events related to the poleis in historical context. This paper shall serve as introduction of hypothetical nature of political program and contribution to the knowledge of political promotion of polis in relief decoration. Figural decoration became a form of political program, or even metaphorical ideology. The main carrier of ideological reference were figure decorated pediments and friezes. Those visualized political agenda of polis even for illiterate observers. In particular mythological stories, those that might have some ideological scheme, were preferred. They can be applied to current events of polis, but only if adequate historical sources or archaeological evidence. Mythological battles were frequent motifs. The story of Gigantomachy allowed various kind of exploitation in political ideology. The main idea was the battle between world full of chaos and world representing stability and certainty. Analogies are identifiable in the whole archaic period. The main inspiration were military confrontations with other Greek or non-Greek cities. From preserved decorative elements is possible to roughly characterize also political significance of mythological heroes. Visual display is closely related to foreign policy and inner political conflict of poleis. It is important that preserved reliefs with motives that do not deal with panhellenic scenes are lessnumerous.

  1. 3d Transition metal decorated B–C–N composite nanostructures for ...

    Indian Academy of Sciences (India)


    3d Transition metal decorated B–C–N composite nanostructures for efficient hydrogen storage: A first-principles study. S BHATTACHARYA, C MAJUMDER. † and G P DAS*. Department of Materials Science, Indian Association for the Cultivation of Science, Kolkata 700 032, India. †. Chemistry Division, Bhabha Atomic ...

  2. Coexistence of positive and negative photoconductivity in nickel oxide decorated multiwall carbon nanotubes

    International Nuclear Information System (INIS)

    Jiménez-Marín, E.; Villalpando, I.; Trejo-Valdez, M.; Cervantes-Sodi, F.; Vargas-García, J.R.; Torres-Torres, C.


    Highlights: • Nickel oxide decorated carbon nanotubes were prepared by chemical vapor deposition. • Contrast in photoconductivity phenomena in the nanohybrid was analyzed. • Electrical and nonlinear optical properties were evaluated. • A Wheatstone bridge sensor based metal/carbon nanostructures was proposed. - Abstract: Within this work was explored the influence of nickel oxide decoration on the photoconductive effects exhibited by multiwall carbon nanotubes. Samples in thin film form were prepared by a chemical vapor deposition method. Experiments for evaluating the photo-response of the nanomaterials at 532 nanometers wavelength were undertaken. A contrasting behavior in the photoelectrical characteristics of the decorated nanostructures was analyzed. The decoration technique allowed us to control a decrease in photoconduction of the sample from approximately 100 μmhos/cm to −600 μmhos/cm. Two-wave mixing experiments confirmed an enhancement in nanosecond nonlinearities derived by nickel oxide contributions. It was considered that metallic nanoparticles present a strong responsibility for the evolution of the optoelectronic phenomena in metal/carbon nanohybrids. Impedance spectroscopy explorations indicated that a capacitive behavior correspond to the samples. A potential development of high-sensitive Wheatstone bridge sensors based on the optoelectrical performance of the studied samples was proposed.

  3. Hierarchical nanoflowers assembled with Au nanoparticles decorated ZnO nanosheets toward enhanced photocatalytic properties

    DEFF Research Database (Denmark)

    Yu, Cuiyan; Yu, Yanlong; Xu, Tao


    Hierarchical nanoflowers assembled with Au nanoparticles (NPs) decorated ZnO nanosheets (Au-ZnO nanosheet flowers, AZNSFs) were successful synthesized. The AZNSFs showed more efficient activity to photodegradation of RhB than that of pure ZnO nanosheet flowers and commercial ZnO nanopowders...

  4. Reduced graphene oxide decorated with Fe doped SnO{sub 2} nanoparticles for humidity sensor

    Energy Technology Data Exchange (ETDEWEB)

    Toloman, D. [National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Street, 400293 Cluj-Napoca (Romania); Popa, A., E-mail: [National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Street, 400293 Cluj-Napoca (Romania); Stan, M.; Socaci, C.; Biris, A.R. [National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Street, 400293 Cluj-Napoca (Romania); Katona, G. [Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, 11 Arany Janos Street, 400028 Cluj-Napoca (Romania); Tudorache, F. [Interdisciplinary Research Department – Field Science & RAMTECH, Al. I. Cuza University, 11 Carol I Blvd., 7000506 Iasi (Romania); Petrila, I. [Interdisciplinary Research Department – Field Science & RAMTECH, Al. I. Cuza University, 11 Carol I Blvd., 7000506 Iasi (Romania); Faculty of Automatic Control and Computer Engineering, Gheorghe Asachi Technical University, 27 Dimitrie Mangeron Street, 700050 Iasi (Romania); Iacomi, F. [Faculty of Physics, Al. I. Cuza University, 11 Carol I Blvd., 7000506 Iasi (Romania)


    Highlights: • Reduced graphene oxide decorated with Fe doped SnO{sub 2} nanoparticles were synthesized. • The decoration of rGO layers with SnO{sub 2}:Fe nanoparticles was highlited by TEM. • The reduction of graphene oxide was evidenced using XRD and FT-IR. • Sensitivity tests for relative humidity (RH) were carried out. • The composite sensor exhibited enhanced sensing response as compared with Fe:SnO{sub 2}. - Abstract: Reduced graphene oxide (rGO) decorated with Fe doped SnO{sub 2} nanoparticles were fabricated via the electrostatic interaction between positively charged modified Fe-doped SnO{sub 2} oxide and negatively charged graphene oxide (GO) in the presence of poly(allylamine) hydrochloride (PAH). The decoration of rGO layers with SnO{sub 2}:Fe nanoparticles was highlited by TEM microsopy. For composite sample the diffraction patterns coincide well with those of SnO{sub 2}:Fe nanoparticles. The reduction of graphene oxide was evidenced using XRD and FT-IR spectroscopy. The formation of SnO{sub 2}:Fe-PAH-graphene composites was confirmed by FT-IR, Raman and EPR spectroscopy. Sensitivity tests for relative humidity (RH) measurements were carried out at five different concentrations of humid air at room temperature. The prepared composite sensor exhibited a higher sensing response as compared with Fe:SnO{sub 2} nanoparticles.

  5. Synthesis and magnetic properties of highly dispersed tantalum carbide nanoparticles decorated on carbon spheres

    CSIR Research Space (South Africa)

    Bhattacharjee, K


    Full Text Available The decoration of carbon spheres (CS) by highly dispersed tantalum carbide nanoparticles (TaC NPs) was achieved, for the first time by a unique carbothermal reduction method at 1350 °C for 30 min under reduced oxygen partial pressure. TaC NPs...

  6. Structure of multiresponsive brush-decorated nanoparticles: A combined electrokinetic, DLS, and SANS study

    NARCIS (Netherlands)

    Martin, J.R.S.; Bihannic, J.; Santos, C.; Farinha, J.P.; Deme, B.; Leermakers, F.A.M.; Pinheiro, J.P.


    Particles consisting of a glassy poly(methyl methacrylate) core (ca. 40 nm in radius) decorated with a poly(N-isopropylacrylamide) anionic corona are synthesized using either methacrylic acid (MA) or acrylic acid (AA) as reactive comonomers in the shell. The different reactivity ratios of MA and AA

  7. Single Nucleotide Polymorphism Detection Using Au-Decorated Single-Walled Carbon Nanotube Field Effect Transistors

    Directory of Open Access Journals (Sweden)

    Keum-Ju Lee


    Full Text Available We demonstrate that Au-cluster-decorated single-walled carbon nanotubes (SWNTs may be used to discriminate single nucleotide polymorphism (SNP. Nanoscale Au clusters were formed on the side walls of carbon nanotubes in a transistor geometry using electrochemical deposition. The effect of Au cluster decoration appeared as hole doping when electrical transport characteristics were examined. Thiolated single-stranded probe peptide nucleic acid (PNA was successfully immobilized on Au clusters decorating single-walled carbon nanotube field-effect transistors (SWNT-FETs, resulting in a conductance decrease that could be explained by a decrease in Au work function upon adsorption of thiolated PNA. Although a target single-stranded DNA (ssDNA with a single mismatch did not cause any change in electrical conductance, a clear decrease in conductance was observed with matched ssDNA, thereby showing the possibility of SNP (single nucleotide polymorphism detection using Au-cluster-decorated SWNT-FETs. However, a power to discriminate SNP target is lost in high ionic environment. We can conclude that observed SNP discrimination in low ionic environment is due to the hampered binding of SNP target on nanoscale surfaces in low ionic conditions.

  8. Copper-decorated carbon nanotubes-based composite electrodes for nonenzymatic detection of glucose

    NARCIS (Netherlands)

    Pop, A.; Manea, F.; Orha, C.; Motoc, S.; Llinoiu, E.; Vaszilcsin, N.; Schoonman, J.


    The aim of this study was to prepare three types of multiwall carbon nanotubes (CNT)-based composite electrodes and to modify their surface by copper electrodeposition for nonenzymatic oxidation and determination of glucose from aqueous solution. Copper-decorated multiwall carbon nanotubes composite

  9. Ultra-high hydrogen storage capacity of Li-decorated graphyne: A first-principles prediction

    Energy Technology Data Exchange (ETDEWEB)

    Zhang Hongyu; Zhang Meng; Zhao Lixia; Luo Youhua [Department of Physics, East China University of Science and Technology, Shanghai 200237 (China); Zhao Mingwen; Bu Hongxia; He Xiujie [School of Physics and State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100 Shandong (China)


    Graphyne, consisting of sp- and sp{sup 2}-hybridized carbon atoms, is a new member of carbon allotropes which has a natural porous structure. Here, we report our first-principles calculations on the possibility of Li-decorated graphyne as a hydrogen storage medium. We predict that Li-doping significantly enhances the hydrogen storage ability of graphyne compared to that of pristine graphyne, which can be attributed to the polarization of H{sub 2} molecules induced by the charge transfer from Li atoms to graphyne. The favorite H{sub 2} molecules adsorption configurations on a single side and on both sides of a Li-decorated graphyne layer are determined. When Li atoms are adsorbed on one side of graphyne, each Li can bind four H{sub 2} molecules, corresponding to a hydrogen storage capacity of 9.26 wt. %. The hydrogen storage capacity can be further improved to 15.15 wt. % as graphyne is decorated by Li atoms on both sides, with an optimal average binding energy of 0.226 eV/H{sub 2}. The results show that the Li-decorated graphyne can serve as a high capacity hydrogen storage medium.

  10. Cosmological Symbolism in the Decorative Cycles of Mid-Byzantine Churches (United States)

    Shrimplin, V.


    Fundamental links between theology and astronomy are widely reflected in the Judaeo-Christian tradition. From Genesis to Revelation, the great mysteries of the beginning and end of the universe, and the cycles of birth and death of individuals, are explained in terms of cosmological concepts. These are in turn reflected in art and architecture and nowhere more broadly, perhaps, than in Byzantine architecture and decoration. Following the Iconoclast prohibition of images in the Orthodox church (726-843), the mid-Byzantine period (843-1204) witnessed the primacy of the representation of the heavens in art and architecture. Reinforced by such writers as Cosmas Indicopleustes and Pseudo-Dionysius the Areopagite, not only were individual images reflective of the heavens (nativity and rebirth at the winter solstice, and rebirth/resurrection at the spring equinox) but entire cycles of church decoration were devised so as to reflect the ordering of God's universe. The architecture and decoration of the quintessential mid-Byzantine cross-in-square church was symbolic itself of the universe, as at Hosios Loukas and Daphni (eleventh century). From the location of the Pantocrator in the central celestial dome, to the descending zones of squinches and pendentives and the lowest earthly zones, decorative schemes are used to reflect the view of the sky/heavens above earth. Hierarchical systems depicting the life of Christ and ascending/descending ranks of saints and angels were rigorously adhered to, with Mary in the apse as bridge between heaven and earth.

  11. 78 FR 16250 - Hardwood and Decorative Plywood From the People's Republic of China: Amended Preliminary... (United States)


    ... DEPARTMENT OF COMMERCE International Trade Administration [C-570-987] Hardwood and Decorative..., International Trade Administration, Department of Commerce. SUMMARY: The Department of Commerce (the Department..., Import Administration, International Trade Administration, U.S. Department of Commerce, 14th Street and...

  12. Space station interior design: Results of the NASA/AIA space station interior national design competition (United States)

    Haines, R. F.


    The results of the NASA/AIA space station interior national design competition held during 1971 are presented in order to make available to those who work in the architectural, engineering, and interior design fields the results of this design activity in which the interiors of several space shuttle size modules were designed for optimal habitability. Each design entry also includes a final configuration of all modules into a complete space station. A brief history of the competition is presented with the competition guidelines and constraints. The first place award entry is presented in detail, and specific features from other selected designs are discussed. This is followed by a discussion of how some of these design features might be applied to terrestrial as well as space situations.

  13. The selective adsorption of formaldehyde and methanol over Al- or Si-decorated graphene oxide: A DFT study. (United States)

    Esrafili, Mehdi D; Dinparast, Leila


    Density functional theory (DFT) calculations are performed to study the adsorption behavior of formaldehyde and methanol on the pristine as well as Al- or Si-decorated graphene oxide (GO). The most stable adsorption configurations, adsorption energies, binding distances and net charge transfers are obtained to understand the impacts of the these molecules on the electronic properties of the pristine or metal-decorated GO surface. The pristine GO exhibits a low sensitivity to both formaldehyde and methanol molecules. However, it is found that the decoration of GO with a Al or Si atom enhances its tendency to adsorb both the above gas molecules. Compared to formaldehyde, methanol is found to have a larger adsorption energy over the decorated GOs, due to the more favorable orbital interaction as well as electrostatic attraction in the resulted complexes. The amounts of charge transfer upon adsorption of formaldehyde and methanol over the Al-decorated GO are larger than those of over the Si-decorated one. Therefore, as a result of interaction with CH 2 O and CH 3 OH, the electronic properties of the Al-decorated GO change significantly. Copyright © 2018 Elsevier Inc. All rights reserved.

  14. Pengaruh Elemen Desain Interior Terhadap Persepsi Maskulinitas (Studi Kasus: Barber Shop

    Directory of Open Access Journals (Sweden)

    Ardiles Septuaginta Sopakuwa


    Full Text Available Barber shop merupakan ruang publik yang masih belum diinfiltrasi oleh wanita dan diperuntukkan bagi pria saja, maka barber shop dianggap cocok untuk menjadi representasi ruang publik khusus pria. Penelitian ini berupaya mencari tahu dampak dari elemen lingkungan interior terhadap persepsi maskulin, sehingga ruang-ruang publik khusus pria yang ada saat ini dapat secara optimal memenuhi kebutuhan persepsi maskulin. Penelitian ini menggunakan stimulus visual berupa desain tiga dimensional dari lima kondisi barber shop yang merupakan manipulasi kombinasi variabel bebas berupa warna biru (A1 dan jingga (A2, serta material concrete (B1 dan kayu (B2. Kombinasi warna dan material ini menghasilkan empat kondisi eksperimental, dan  satu kondisi kontrol tanpa elemen warna maupun material experimental yang diterapkan. Eksperimen dilakukan terhadap 30 orang responden yang merupakan pelanggan barber shop untuk memberikan respon persepsi, emosi, dan sikap terhadap 5 buah stimulus visual yang menggambarkan kondisi barber shop. Data yang didapatkan dianalisa dengan metode ANOVA dan menunjukkan bahwa perbedaan respon terhadap keempat kondisi eksperimental tidak signifikan. Kondisi yang dipersepsi paling positif memiliki setidaknya satu elemen interior maskulin. Sementara kondisi yang dinilai paling mendukung emosi positif tidak menerapkan satu elemen interior maskulin pun. Sehingga menarik untuk menilai lebih jauh dampak kombinasi elemen interior ini terhadap respon responden. Kata Kunci: barber shop; desain eksperimental; emosi positif; persepsi maskulinitas; sikap positif.Influence of Interior Design Elements in Perception of Masculinity (Case Study: Barber ShopThe barber shop is one of the few public spaces that are not infiltrated by women. Therefore, the barber shop is a good representative of a male-only public space. This research was aimed at finding out the effect of interior-environment elements towards a masculine perception, so that current male

  15. Study of decorated archeological ceramics by micro X-ray fluorescence spectroscopy

    Energy Technology Data Exchange (ETDEWEB)

    Papadopoulou, D. [Archaeometry Laboratory, Cultural and Educational Technology Institute/R.C. ' Athena' , Tsimiski 58, 67100 Xanthi (Greece); Technological Educational Institute of Kavala, Department of Science, Agios Loukas, 654 04 Kavala (Greece); Sakalis, A. [Archaeometry Laboratory, Cultural and Educational Technology Institute/R.C. ' Athena' , Tsimiski 58, 67100 Xanthi (Greece)], E-mail:; Merousis, N. [Hellenic Open University, Kyzikou 25-27, 55133 Kalamaria, Thessaloniki (Greece); Tsirliganis, N.C. [Archaeometry Laboratory, Cultural and Educational Technology Institute/R.C. ' Athena' , Tsimiski 58, 67100 Xanthi (Greece)


    Micro-X-ray fluorescence ({mu}-XRF) spectrometry is an analytical technique that is especially suitable for the study of archeological findings since it is non-destructive, rapid, universal, versatile and multi-elemental. In the present work a compact portable {mu}-XRF spectrometer was used to characterize decorated sherds of Neolithic pottery from Polyplatanos, North Greece. The sherds were divided into four decorative groups (crusted, classic Dimini, cream on red, and black on red) and the characterization was focused on the determination of certain major, minor and trace elements (Si, K, Ca, Ti, Cr, Mn, Fe, Ni) on the decorated surface and in the clay body. The aim of this characterization was to supplement and confirm archeological information regarding the origin of the artifacts and the manufacturing techniques used for their production. The most predominant chemical elements were determined, and representative ratios (Ca/K, Fe/Mn) were calculated and compared for each individual sample group. The crusted samples and the cream on red samples showed higher concentrations of Ca in the white-crusted surface in comparison with the clay body while Fe was the predominant element in the red decorated surface. The analysis of the samples of classic Dimini, revealed higher concentrations of Mn in the black painted surfaces and higher Ca content in the light-coloured clay bodies. Finally, most samples of the black on red group present high concentrations of Mn in their decoration surface. Zn and Ni were also detected in this group in contrast with the remaining groups.

  16. Nanoparticles decorated with proteolytic enzymes, a promising strategy to overcome the mucus barrier. (United States)

    Pereira de Sousa, Irene; Cattoz, Beatrice; Wilcox, Matthew D; Griffiths, Peter C; Dalgliesh, Robert; Rogers, Sarah; Bernkop-Schnürch, Andreas


    The intestinal mucus gel layer represents a stumbling block for drug adsorption. This study is aimed to formulate a nanoparticulate system able to overcome this barrier by cleaving locally the glycoprotein substructures of the mucus. Mucolytic enzymes such as papain (PAP) and bromelain (BRO) were covalently conjugated to poly(acrylic acid) (PAA). Nanoparticles (NPs) were then formulated via ionic gelation method and characterized by particle size, zeta potential, enzyme content and enzymatic activity. The NPs permeation quantified by rotating tube studies was correlated with changes in the mucus gel layer structure determined by pulsed-gradient-spin-echo NMR (PGSE-NMR), small-angle neutron scattering (SANS) and spin-echo SANS (SESANS). PAP and BRO functionalized NPs had an average size in the range of 250 and 285 nm and a zeta potential that ranged between -6 and -5 mV. The enzyme content was 242 μg enzyme/mg for PAP modified NPs and 253 μg enzyme/mg for BRO modified NPs. The maintained enzymatic activity was 43% for PAP decorated NPs and 76% for BRO decorated NPs. The rotating tube technique revealed a better performance of BRO decorated NPs compared to PAA decorated NPs, with a 4.8-fold higher concentration of NPs in the inner slice of mucus. Addition of 0.5 wt% of enzyme functionalized NPs to 5 wt% intestinal mucin led to c.a. 2-fold increase in the mobility of the mucin as measured by PGSE-NMR indicative of a significant break-up of the structure of the mucin. SANS and SESANS measurements further revealed a change in structure of the intestinal mucus induced by the incorporation of the functionalized NPs mostly occurring at a length scale longer than 0.5 μm. Accordingly, BRO decorated NPs show higher potential than PAP functionalized NPs as mucus permeating drug delivery systems. Copyright © 2015 Elsevier B.V. All rights reserved.

  17. Decorating Mg/Fe oxide nanotubes with nitrogen-doped carbon nanotubes

    Energy Technology Data Exchange (ETDEWEB)

    Cao Yong, E-mail: [Institute of Environment and Municipal Engineering, North China Institute of Water Conservancy and Hydroelectric Power, Zhengzhou 450011 (China); Jiao Qingze, E-mail: [School of Chemical Engineering and the Environment, Beijing Institute of Technology, Beijing 100081 (China); Zhao Yun [School of Chemical Engineering and the Environment, Beijing Institute of Technology, Beijing 100081 (China); Dong Yingchao [Materials and Surface Science Institute (MSSI), University of Limerick, Limerick (Ireland)


    Graphical abstract: Highlights: > Mg/Fe oxide nanotubes arrayed parallel to each other were prepared by an AAO template method. > The Mg/Fe oxide nanotubes decorated with CN{sub x} were realized by CVD of ethylenediamine on the outer surface of oxide nanotubes. > The magnetic properties of Mg/Fe oxide nanotubes were highly improved after being decorated. - Abstract: Mg/Fe oxide nanotubes decorated with nitrogen-doped carbon nanotubes (CN{sub x}) were fabricated by catalytic chemical vapor deposition of ethylenediamine on the outer surface of oxide nanotubes. Mg/Fe oxide nanotubes were prepared using a 3:1 molar precursor solution of Mg(NO{sub 3}){sub 2} and Fe(NO{sub 3}){sub 3} and anodic aluminum oxide as the substrate. The obtained samples were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS) and vibrating sample magnetometer (VSM). The XRD pattern shows that the oxide nanotubes are made up of MgO and Fe{sub 2}O{sub 3}. TEM and SEM observations indicate the oxide nanotubes are arrayed roughly parallel to each other, and the outer surface of oxide nanotubes are decorated with CN{sub x}. XPS results show the nitrogen-doped level in CN{sub x} is about 7.3 at.%. Magnetic measurements with VSM demonstrate the saturated magnetization, remanence and coercivity of oxide nanotubes are obvious improved after being decorated with CN{sub x}.

  18. Interior point decoding for linear vector channels

    International Nuclear Information System (INIS)

    Wadayama, T


    In this paper, a novel decoding algorithm for low-density parity-check (LDPC) codes based on convex optimization is presented. The decoding algorithm, called interior point decoding, is designed for linear vector channels. The linear vector channels include many practically important channels such as inter-symbol interference channels and partial response channels. It is shown that the maximum likelihood decoding (MLD) rule for a linear vector channel can be relaxed to a convex optimization problem, which is called a relaxed MLD problem

  19. Interior Design 1992 Buyers Guide issue. (United States)


    The Interior Design Magazine Buyers Guide is compiled with you, the designer, in mind. So it's packed with the most comprehensive collection of sources available anyplace--arranged for fast, easy access. First, the Keyword Index presents all the Buyers Guide product categories alphabetically (see the first tab divider). Refer to the page number indicated in the Product Index (second tab divider) to view various manufacturers of products under each category heading. Addresses, phone and fax numbers, regional and international showroom/representatives are located in the A-Z Index (third tab divider) in alphabetical order. Consult the table of contents for trade associations, lighting consultants, marts, and other useful sections.

  20. Interior design preferences of residents, families, and staff in two nursing homes. (United States)

    Miller, D B; Goldman, L E; Woodman, S A


    The small number of respondents and the absence of specific demographic data concerning the three categories of respondents represented definite limitations. Further investigation in other long-term care facilities clearly is indicated. However, as a preliminary survey of preferences in nursing home interior design, several interesting findings have emerged: Patients, staff and families all emphasized patient safety and function over aesthetics. Yet, more residents than staff and families were concerned with appearance. Although experts advocate creating a home-like atmosphere in the nursing home, 50% or more of each group applied different criteria for specific design elements for private homes and for long-term care institutions. Design preferences for the three groups were similar, with an emphasis on modern furniture, painted walls, resilient tile rather than carpet, blinds, pastel and warm colors, and the use of paintings as accessories. Contrary to study assumptions, design features that promote patient individuality (e.g., patient artwork) received much greater emphasis from staff than from patients and families. Environmental change was considered an important aspect of interior design. Of the three constituencies, staff was most aware of periodic changes in decor and considered change as "very important" more often than did families or patients. As the nature of the nursing home patient population has changed--with residents presenting more disability and less rehabilitation potential and less likelihood of returning home--the ambiance of facilities has assumed even more importance. Clearly, the design preferences of residents who live in the facility are of paramount importance. However, it is also helpful to have an environment that is pleasing to family members who often experience difficulty in ongoing visitations, particularly to intellectually impaired relatives. Maintaining staff morale at a high level is a constant challenge in a long-term care

  1. Prescriptive Methodology as a Generative Tool: A Case Study Conducted at Introductory Interior Design Studio Level in the United Arab Emirates

    Directory of Open Access Journals (Sweden)

    Lina Ahmad


    Full Text Available In the U.A.E. (United Arab Emirates, interior design education is often misunderstood as interior decoration, wherein the former is a more comprehensive design approach to spaces formed by structural boundaries and curation of human interaction. The conducted case study addressed a small number of students enrolled in Interior Design Studio I at Zayed University, Abu Dhabi campus. In addition to traditional teaching methods compromised of individual desk critique sessions, group pin-ups and presentations, three innovative methods were implemented as a means of guiding students through the process: direct sequential instruction executed within an assigned time frame, reflection on the surfaced result and use of flat photography or panoramas as means of space communication. Throughout the three implemented stages of the project, and through utilizing the above-described generative methodology, students achieved complex representation and revealed higher spatial order related to human occupation and space inhabitation. This methodology allowed students to channel their work through complex sets of interconnected information and derived an outcome from an accumulative multi-layered resolution. The article presents the process and analyses the achieved outcomes.

  2. Chemical and structural properties of Pd nanoparticle-decorated graphene—Electron spectroscopic methods and QUASES

    Energy Technology Data Exchange (ETDEWEB)

    Lesiak, B., E-mail: [Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warszawa (Poland); Jiricek, P.; Bieloshapka, I. [Institute of Physics, Academy of Sciences of the Czech Republic, Cukrovarnicka 6, 162-53 Prague 6 (Czech Republic)


    Highlights: • Pd-decorated graphene oxide (GO), reduced graphene oxide (RGO), graphite (Gr). • Electron spectroscopy (XPS) aided with QUASES and REELS structural analysis. • Pd nanoparticle size decreases with surface hydrophilicity (oxygen group content). • PdO{sub x} overlayer thickness increases with surface hydrophilicity. • GO reduction, Pd decoration by reduction lead to exfoliated graphene structures. - Abstract: Graphite (Gr) and carbon nanomaterials such as graphene oxide (GO) and reduced graphene oxide (RGO) and those decorated with Pd nanoparticles were investigated by photoelectron spectroscopy (XPS) aided with Quantitative Analysis of Surfaces by Electron Spectroscopy (QUASES) and reflected electron energy loss spectroscopy (REELS). Oxidation of Gr decreased the C/O ratio from 10 (Gr) to 2.2 (GO), whereas reduction of GO by N{sub 2}H{sub 4} increased this ratio to 6.6 (RGO) due to decreasing number of oxygen groups (hydroxyl, epoxy, carbonyl and hydroxyl). Graphene materials and those after Pd decoration had 6–11 average number of layers in stacked nanostructures. Pd decoration using NaBH{sub 4}-reducing agents formed nanoparticles of size 6.9 nm (Pd/Gr) > 5.3 nm (Pd/RGO) > 4.25 nm (Pd/GO), with PdO{sub x} overlayer thickness of 2.20 nm (Pd/GO) > 1.42 nm (Pd/Gr) > 1.20 nm (Pd/RGO), decreased number of oxygen groups and average number of layers. Smaller Pd nanoparticles of larger PdO{sub x} overlayer thickness were observed on highly hydrophilic substrates (functional oxygen groups content). Decoration accompanied by reduction using NaBH{sub 4} led to the removal of water attached by hydrogen bonding to graphene interplanes and the formation of PdO{sub x} overlayer from oxygen functional groups. Nanoparticle size obtained from QUASES was confirmed by Pd 3d{sub 5/2} spectra binding energy and full-width at half maximum. Various chemistry and mechanisms of graphene reduction using N{sub 2}H{sub 4} and NaBH{sub 4} were observed, where Na

  3. The Neutron Star Interior Composition Explorer (NICER) (United States)

    Wilson-Hodge, Colleen A.; Gendreau, K.; Arzoumanian, Z.


    The Neutron Star Interior Composition Explorer (NICER) is an approved NASA Explorer Mission of Opportunity dedicated to the study of the extraordinary gravitational, electromagnetic, and nuclear-physics environments embodied by neutron stars. Scheduled to be launched in 2016 as an International Space Station payload, NICER will explore the exotic states of matter, using rotation-resolved spectroscopy of the thermal and non-thermal emissions of neutron stars in the soft (0.2-12 keV) X-ray band. Grazing-incidence "concentrator" optics coupled with silicon drift detectors, actively pointed for a full hemisphere of sky coverage, will provide photon-counting spectroscopy and timing registered to GPS time and position, with high throughput and relatively low background. The NICER project plans to implement a Guest Observer Program, which includes competitively selected user targets after the first year of flight operations. I will describe NICER and discuss ideas for potential Be/X-ray binary science.

  4. Planetary Interior Modeling and Tectonic Implications (United States)

    Phillips, R. J.


    A technique is described for estimating spectral admittance functions using Pioneer Venus gravity and topography data. These admittance functions provide a convenient means to carry out systematic geophysical studies over much of the surface of Venus with a variety of interior density models. The admittance functions are calculated in the observation space of line-of-sight (LOS) gravity. Both closed and open system petrological models are considered for the Tharsis region of Mars. An analytic theory for isostatic compensation on one-plate planet is applied, including membrane stresses in the lithosphere, self gravitation, and rotational ellipticity. Crucial to this stress modeling and also to the petrological modeling is the observation that the earliest fracturing seen in the Tharsis region is associated with isostatic stresses. The radial fractures that extend far from Tharsis are associated with an additional and/or a completely different mechanism.

  5. Seismic Constraints on Interior Solar Convection (United States)

    Hanasoge, Shravan M.; Duvall, Thomas L.; DeRosa, Marc L.


    We constrain the velocity spectral distribution of global-scale solar convective cells at depth using techniques of local helioseismology. We calibrate the sensitivity of helioseismic waves to large-scale convective cells in the interior by analyzing simulations of waves propagating through a velocity snapshot of global solar convection via methods of time-distance helioseismology. Applying identical analysis techniques to observations of the Sun, we are able to bound from above the magnitudes of solar convective cells as a function of spatial convective scale. We find that convection at a depth of r/R(solar) = 0.95 with spatial extent l < 30, where l is the spherical harmonic degree, comprise weak flow systems, on the order of 15 m/s or less. Convective features deeper than r/R(solar) = 0.95 are more difficult to image due to the rapidly decreasing sensitivity of helioseismic waves.

  6. Wall grid structure for interior scene synthesis

    KAUST Repository

    Xu, Wenzhuo


    We present a system for automatically synthesizing a diverse set of semantically valid, and well-arranged 3D interior scenes for a given empty room shape. Unlike existing work on layout synthesis, that typically knows potentially needed 3D models and optimizes their location through cost functions, our technique performs the retrieval and placement of 3D models by discovering the relationships between the room space and the models\\' categories. This is enabled by a new analytical structure, called Wall Grid Structure, which jointly considers the categories and locations of 3D models. Our technique greatly reduces the amount of user intervention and provides users with suggestions and inspirations. We demonstrate the applicability of our approach on three types of scenarios: conference rooms, living rooms and bedrooms.

  7. Interior design of the lunar outpost (United States)

    Kennedy, Kriss J.


    This paper is part of an ongoing study on the interior design of a lunar outpost habitat facility. The concept presented represents the work done up to and including August 1989. This concept is part of NASA's ongoing effort to explore alternative options for planet surface systems habitation. Results of a volume analog study to determine the required pressurized volume are presented along with an internal layout of the habitat facility. The concept presented in this paper is a constructible lunar habitat that provides a living and working environment for a crew of 12. It is a 16-m diameter spherical pneumatic structure which contains 2145 cubic meters of volume. Five levels of living and working areas make up the 742 sq m of floor space. A 2-m vertical circulation shaft at the center allows for transfer of crew and equipment.

  8. Interior Design Based on Forough Farrokhzad Poetry

    Directory of Open Access Journals (Sweden)

    Mahsa Sanami


    Full Text Available The main purpose of this study is to correlate between art, literature, architect and visualization to translate the emotions and aspirations embodied in a well-known poet such as Forough Farrokhzad. Forough Farrokhzad widely regarded as a famous Iranian poet and an advocate for women’s liberation and independence. She wrote during a time when Iranian women were facing extensive discrimination and prejudice. Many of her works are rich in feminist related aspects of Iranian women. By visualization of Forough’s inner feelings, one can see a great revaluation in society towards women feelings and emotions. Like any other human, poets and artist both have thoughts and dreams rich in colors and words capsulizing their imaginary world in possible dreams which are all related to each person’s personality, culture, environment and etc. One of the ways to understand a poet is to understand the depth of his/her thoughts through his/her poems. Thus the main purpose of this research is to review interior design based on in depth analysis of related poems. Psychoanalysis of symbols, themes and colors used in poems, can be used to supplement words in extracting symptoms and energy depicting the poet inner feelings and imaginations when designing. The results of the discussing symbols and colors used by Forough in most of her poems, indicate her interest in life, death, love, society, intellectuality and philosophy. Finally the researchers through usage of visual effects and pictures used in her designs tries to assist the viewers to understand and feel the poet’s emotions and passions for life at the time of creating the poems. Thus, it can be assumed that the interior design is based on poetry rich in motion and dynamism.

  9. La temperatura del interior de la tierra

    Directory of Open Access Journals (Sweden)

    Eslava R. Jesús A.


    Full Text Available The problem of defining the Earth interior temperature is analized from Heat Flow observations and the acceptance of convection processes in the mantle. Comparative analyses of thermal, adiabatic, and melting point profiles, allow to obtain the optimum temperature profile, wich fits the seismic model of a liquid external core.

    EI problema de definir la temperatura del interior de la Tierra, se analiza a partir de las observaciones del flujo térmico y la aceptación de procesos de convección en el manto.

    Análisis comparativos de perfiles térmicos, adiabáticos y de puntos de fusión, permiten obtener un perfil óptimo de distribución de temperaturas, que además satisface la observación sísmica de un núcleo externo líquido.

  10. Iridium-decorated palladium-platinum core-shell catalysts for oxygen reduction reaction in proton exchange membrane fuel cell. (United States)

    Wang, Chen-Hao; Hsu, Hsin-Cheng; Wang, Kai-Ching


    Carbon-supported Pt, Pd, Pd-Pt core-shell (Pt(shell)-Pd(core)/C) and Ir-decorated Pd-Pt core-shell (Ir-decorated Pt(shell)-Pd(core)/C) catalysts were synthesized, and their physical properties, electrochemical behaviors, oxygen reduction reaction (ORR) characteristics and proton exchange membrane fuel cell (PEMFC) performances were investigated herein. From the XRD patterns and TEM images, Ir-decorated Pt(shell)-Pd(core)/C has been confirmed that Pt was deposited on the Pd nanoparticle which had the core-shell structure. Ir-decorated Pt(shell)-Pd(core)/C has more positive OH reduction peak than Pt/C, which is beneficial to weaken the binding energy of Pt-OH during the ORR. Thus, Ir-decorated Pt(shell)-Pd(core)/C has higher ORR activity than Pt/C. The maximum power density of H2-O2 PEMFC using Ir-decorated Pt(shell)-Pd(core)/C is 792.2 mW cm(-2) at 70°C, which is 24% higher than that using Pt/C. The single-cell accelerated degradation test of PEMFC using Ir-decorated Pt(shell)-Pd(core)/C shows good durability by the potential cycling of 40,000 cycles. This study concludes that Ir-decorated Pt(shell)-Pd(core)/C has the low Pt content, but it can facilitate the low-cost and high-efficient PEMFC. Copyright © 2013 Elsevier Inc. All rights reserved.

  11. Qualitative and quantitative assessment of interior moisture buffering by enclosures

    DEFF Research Database (Denmark)

    Janssen, Hans; Roels, Staf


    The significance of interior humidity in attaining sustainable, durable, healthy and comfortable buildings is increasingly recognised. Given their significant interaction, interior humidity appraisals need a qualitative and/or quantitative assessment of interior moisture buffering. While...... suggested protocols for the simple and fast measurement of the moisture buffer potential of interior elements allow qualitative assessment, none of these are currently dependable for a wide range of moisture production regimes. In response to these flaws, this paper introduces the production......-adaptive characterisation of the moisture buffer potential of interior elements and corroborates their superposition toward a room-enclosure moisture buffer potential. It is verified that this enables qualitative comparison of enclosures in relation to interior moisture buffering. It is moreover demonstrated that it forms...

  12. Kajian Estetika Interior Restoran Boncafe Di Jalan Pregolan Surabaya


    Fanuel W., Yemima


    Boncafe Pregolan restaurant is a restaurant in Surabaya located at Pregolan Street 2, Tegal sari, Central Surabaya. Boncafe Pregolan restaurant built in 2007. The interior of Boncafe Pregolan restaurant is divided into several rooms, main entrance area, main dining area I, main dining area II, smoking dining area, and terrace dining. The aesthetic of interior Boncafe Pregolan restaurant is interesting to be analyzed, because of the interior's plays inside. The design principles implemented t...

  13. Magnetic control of single transition metal doped MoS{sub 2} through H/F chemical decoration

    Energy Technology Data Exchange (ETDEWEB)

    Yang, Sizhe [Hunan Provincial Key Laboratory of Thin Film Materials and Devices, School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105 (China); He, Junjie [Faculty of Science, Charles University in Prague, 128 43 Prague 2 (Czech Republic); Zhou, Pan [Hunan Provincial Key Laboratory of Thin Film Materials and Devices, School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105 (China); Sun, L.Z., E-mail: [Hunan Provincial Key Laboratory of Thin Film Materials and Devices, School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105 (China)


    Using density function theory, we study the spin state control of transition metal doped MoS{sub 2} through H/F chemical decoration. The results indicate that the ground spin state of single TM (Mn, Fe, and Co) doped MoS{sub 2} is sensitive to its chemical environment. H/F chemical decoration on TM can effectively modulate their magnetic moment up to 1 μ{sub B}, especially for the Mn doped system, the F decoration will produce the system show “spin ON” to “spin OFF” transition. Interestingly, the H decoration will increase the magnetic moment of TM doped MoS{sub 2} with 1 μ{sub B}, however, the F decoration will reduce the magnetic moment of TM doped MoS{sub 2} with 1 μ{sub B}. Such modulation derives from the anti-bonding and bonding nature between TM and H/F atom, respectively. Our results may open a new route to apply TM doped MoS{sub 2} to multistate memory. - Highlights: • Spin state control of TM doped MoS2 through H/F chemical decoration. • “Spin ON” to “spin OFF” transition. • Anti-bonding and bonding nature between TM and H/F atom.

  14. A comparative theoretical study of CO oxidation reaction by O2 molecule over Al- or Si-decorated graphene oxide. (United States)

    Esrafili, Mehdi D; Sharifi, Fahimeh; Nematollahi, Parisa


    Using density functional theory calculations, the probable CO oxidation reaction mechanisms are investigated over Al- or Si-decorated graphene oxide (GO). The equilibrium geometry and electronic structure of these metal decorated-GOs along with the O2/CO adsorption configurations are studied in detail. The relatively large adsorption energies reveal that both Al and Si atoms can disperse on GO quite stably without clustering problem. Hence, both Al- and Si-decorated GOs are stable enough to be utilized in catalytic oxidation of CO by molecular O2. The two possible reaction pathways proposed for the oxidation of CO with O2 molecule are as follows: O2+CO→CO2+Oads and CO+Oads→CO2. The estimated energy barriers of the first oxidation reaction on Si-decorated GOs, following the Eley-Rideal (ER) reaction, are lower than that on Al-decorated ones. This is most likely due to the larger atomic charge on the Si atom than the Al one, which tends to stabilize the corresponding transition state structure. The results of this study can be useful for better understanding the chemical properties of Al- and Si-decorated GOs, and are valuable for the development of an automobile catalytic converter in order to remove the toxic CO molecule. Copyright © 2016 Elsevier Inc. All rights reserved.

  15. A first-principles study on adsorption behaviors of pristine and Li-decorated graphene sheets toward hydrazine molecules (United States)

    Zeng, Huadong; Cheng, Xinlu; Wang, Wei


    The adsorption behaviors and properties of hydrazine (N2H4) molecules on pristine and Li-decorated graphene sheets were investigated by means of first-principles based on density functional theory. We systematically analyzed the optimal geometry, average binding energy, charge transfer, charge density difference and density of states of N2H4 molecules adsorbed on pristine and Li-decorated graphene sheets. It is found that the interaction between single N2H4 molecule and pristine graphene is weak physisorption with the low binding energy of -0.026 eV, suggesting that the pristine graphene sheet is insensitive to the presence of N2H4 molecule. However, it is markedly enhanced after lithium decoration with the high binding energy of -1.004 eV, verifying that the Li-decorated graphene sheet is significantly sensitive to detect N2H4 molecule. Meanwhile, the effects of the concentrations of N2H4 molecules on two different substrates were studied detailedly. For pristine graphene substrate, the average binding energy augments apparently with increasing the number of N2H4 molecules, which is mainly attributed to the van der Waals interactions and hydrogen bonds among N2H4 clusters. Li-decorated graphene sheet has still a strong affinity to N2H4 molecules despite the corresponding average binding energy emerges a contrary tendency. Overall, Li-decorated graphene sheet could be considered as a potential gas sensor in field of hydrazine molecules.

  16. Metal Nanoparticle-Decorated Two-Dimensional Molybdenum Sulfide for Plasmonic-Enhanced Polymer Photovoltaic Devices

    Directory of Open Access Journals (Sweden)

    Ming-Kai Chuang


    Full Text Available Atomically thin two-dimensional (2D transition metal dichalcogenides have also attracted immense interest because they exhibit appealing electronic, optical and mechanical properties. In this work, we prepared gold nanoparticle-decorated molybdenum sulfide (AuNP@MoS2 through a simple spontaneous redox reaction. Transmission electron microscopy, UV-Vis spectroscopy, and Raman spectroscopy were used to characterize the properties of the AuNP@MoS2 nanomaterials. Then we employed such nanocomposites as the cathode buffer layers of organic photovoltaic devices (OPVs to trigger surface plasmonic resonance, leading to noticeable enhancements in overall device efficiencies. We attribute the primary origin of the improvement in device performance to local field enhancement induced by the effects of localized surface plasmonic resonance. Our results suggest that the metal nanoparticle-decorated two-dimensional materials appear to have great potential for use in high-performance OPVs.

  17. Analysis decorating design on Perahu Buatan Barat, the Malay traditional boat by using frieze pattern (United States)

    Wahab, Mohd Rohaizat Abdul; Ramli, Zuliskandar; Zakaria, Ros Mahwati Ahmad; Samad, Mohammad Anis Abdul


    Boat building tradition is one of the skills mastered by Malay craftsmen. Decoration on the Perahu Buatan Barat, the Malay traditional boat is one of the uniqueness of the production of traditional boats in East Coast of Malaysia. The tradition of Malay boat building, each plank was given specific names based on the line of planks. There is one line called `papan tarik' or `papan cantik' was usually decorated with paintings by a variety of motifs and patterns from the bow to the stern of the boat. The motifs usually taken from the surrounding environment as well as flora and fauna will be painted with motifs repeated but with differing formations. The aim of this study is to identify the motifs and analyze the formation of motifs by using mathematical methods of frieze pattern.

  18. Effects of ZnO Quantum Dots Decoration on the Field Emission Behavior of Graphene. (United States)

    Sun, Lei; Zhou, Xiongtu; Lin, Zhixian; Guo, Tailiang; Zhang, Yongai; Zeng, Yongzhi


    ZnO quantum dots (QDs) have been decorated on graphene deposited on patterned Ag electrodes as a field emission cathode by a solution process. Effects of ZnO QDs on the field emission behavior of graphene are studied by experiment and first-principles calculations. The results indicate that the attachment of ZnO QDs with a C atom leads to the enhancement of electron emission from graphene, which is mainly attributed to the reduction of the work function and ionization potential, and the increase of the Fermi level of graphene after the decoration. A change in the local density distribution and the density of states near the Fermi level may also account for this behavior. Our study may help to develop new field emission composites and expand ZnO QDs in applications for electron emission devices as well.

  19. [Nature and civilization: the decorative panels of the Teatro Amazonas foyer]. (United States)

    Daou, Ana Maria Lima


    The decorative panels in the foyer of the Teatro Amazonas, inaugurated in 1896, stand out from the rest of the building's ornamental iconography. The rubber trade brought great wealth to the capitals of Pará and Amazonas and as these cities gained national and international fame, their urban fabric and forms of sociability underwent significant changes. The article looks for parallels between the landscape representations of Amazonian nature adorning the building's foyer, the construction of the modern city, and social uses of the Teatro Amazonas, symbol of the era and emblem of the newly rich elite, who were then taking their place on the regional and national stages. The Teatro Amazonas formed the center of the era's social life and its foyer played host to veritable rituals of 'civilization', in which Brazilian and foreign guests enjoyed the fine setting of Amazon's nature as represented in the decorative wall panels.

  20. Development of nanostructured silver vanadates decorated with silver nanoparticles as a novel antibacterial agent

    Energy Technology Data Exchange (ETDEWEB)

    Holtz, R D; Souza Filho, A G; Alves, O L [Laboratorio de Quimica do Estado Solido (LQES), Instituto de Quimica, Universidade Estadual de Campinas, CP 6154, 13081-970, Campinas-SP (Brazil); Brocchi, M; Martins, D [Departamento de Genetica, Evolucao and Bioagentes, Instituto de Biologia, Universidade Estadual de Campinas, Campinas-SP (Brazil); Duran, N, E-mail:, E-mail:, E-mail: [Laboratorio de Quimica Biologica, Instituto de Quimica, Universidade Estadual de Campinas, Campinas-SP (Brazil)


    In this work we report the synthesis, characterization and application of silver vanadate nanowires decorated with silver nanoparticles as a novel antibacterial agent. These hybrid materials were synthesized by a precipitation reaction of ammonium vanadate and silver nitrate followed by hydrothermal treatment. The silver vanadate nanowires have lengths of the order of microns and diameters around 60 nm. The silver nanoparticles decorating the nanowires present a diameter distribution varying from 1 to 20 nm. The influence of the pH of the reaction medium on the chemical structure and morphology of silver vanadates was studied and we found that synthesis performed at pH 5.5-6.0 led to silver vanadate nanowires with a higher morphological yield. The antimicrobial activity of these materials was evaluated against three strains of Staphylococcus aureus and very promising results were found. The minimum growth inhibiting concentration value against a MRSA strain was found to be ten folds lower than for the antibiotic oxacillin.

  1. Rose Bengal-decorated silica nanoparticles as photosensitizers for inactivation of gram-positive bacteria

    Energy Technology Data Exchange (ETDEWEB)

    Guo Yanyan; Zhang Peng [Department of Chemistry, New Mexico Tech, Socorro, NM 87801 (United States); Rogelj, Snezna, E-mail: [Department of Biology, New Mexico Tech, Socorro, NM 87801 (United States)


    A new type of photosensitizer, made from Rose Bengal (RB)-decorated silica (SiO{sub 2}-NH{sub 2}-RB) nanoparticles, was developed to inactivate gram-positive bacteria, including Methicillin-resistant Staphylococcus aureus (MRSA), with high efficiency through photodynamic action. The nanoparticles were characterized microscopically and spectroscopically to confirm their structures. The characterization of singlet oxygen generated by RB, both free and immobilized on a nanoparticle surface, was performed in the presence of anthracene-9,10-dipropionic acid. The capability of SiO{sub 2}-NH{sub 2}-RB nanoparticles to inactivate bacteria was tested in vitro on both gram-positive and gram-negative bacteria. The results showed that RB-decorated silica nanoparticles can inactivate MRSA and Staphylococcus epidermidis (both gram-positive) very effectively (up to eight-orders-of-magnitude reduction). Photosensitizers of such design should have good potential as antibacterial agents through a photodynamic mechanism.

  2. Zsolnai Állami Főreáliskola, Art Nouveau Building and its Painted Decorations (United States)

    Grúňová, Zuzana; Borošová Michalcová, Miloslava


    The historic art nouveau building of the former high school in Žilina - Zsolnai Állami Főreáliskola - is nowadays one of the University of Žilina buildings. Empty, awaiting much needed renovation is school building a subject of the various researches of its art-historical and architectural features. Paper deals with wall painting as a one type decoration among preserved ones in this building. Lack of funds during its initial building and decoration works created rather limited amount motifs and simple technologies. If the whole scope of architectural works of Orth and Somló architectural studio (and the whole set of art nouveau buildings in Žilina) is taken into account, even these simple, but elegant painting in well thought palette of colours could be valuable basis for renovation.

  3. Zsolnai Állami Főreáliskola, Art Nouveau Building and its Painted Decorations

    Directory of Open Access Journals (Sweden)

    Grúňová Zuzana


    Full Text Available The historic art nouveau building of the former high school in Žilina - Zsolnai Állami Főreáliskola - is nowadays one of the University of Žilina buildings. Empty, awaiting much needed renovation is school building a subject of the various researches of its art-historical and architectural features. Paper deals with wall painting as a one type decoration among preserved ones in this building. Lack of funds during its initial building and decoration works created rather limited amount motifs and simple technologies. If the whole scope of architectural works of Orth and Somló architectural studio (and the whole set of art nouveau buildings in Žilina is taken into account, even these simple, but elegant painting in well thought palette of colours could be valuable basis for renovation.

  4. Decoration of Chondroitin Polysaccharide with Threonine: Synthesis, Conformational Study, and Ice-Recrystallization Inhibition Activity. (United States)

    Laezza, Antonio; Casillo, Angela; Cosconati, Sandro; Biggs, Caroline I; Fabozzi, Antonio; Paduano, Luigi; Iadonisi, Alfonso; Novellino, Ettore; Gibson, Matthew I; Randazzo, Antonio; Corsaro, Maria M; Bedini, Emiliano


    Several threonine (Thr)- and alanine (Ala)-rich antifreeze glycoproteins (AFGPs) and polysaccharides act in nature as ice recrystallization inhibitors. Among them, the Thr-decorated capsular polysaccharide (CPS) from the cold-adapted Colwellia psychrerythraea 34H bacterium was recently investigated for its cryoprotectant activity. A semisynthetic mimic thereof was here prepared from microbial sourced chondroitin through a four-step strategy, involving a partial protection of the chondroitin polysaccharide as a key step for gaining an unprecedented quantitative amidation of its glucuronic acid units. In-depth NMR and computational analysis suggested a fairly linear conformation for the semisynthetic polysaccharide, for which the antifreeze activity by a quantitative ice recrystallization inhibition assay was measured. We compared the structure-activity relationships for the Thr-derivatized chondroitin and the natural Thr-decorated CPS from C. psychrerythraea.

  5. Theoretical investigation of calcium-decorated β12 boron sheet for hydrogen storage (United States)

    Tang, Xiao; Gu, Yuantong; Kou, Liangzhi


    From first-principles calculations based on density functional theory, we find that the recently synthesized β12 boron sheet is a perfect candidate for calcium-decoration and hydrogen storage application. In contrast to graphene where defects are required to capture Ca, the naturally formed hexagonal hollow ring in β12 boron sheet provides the ideal site for Ca adsorption, and up to 6H2 molecules for each Ca atom can be captured with a desirable binding energy of ∼0.2 eV/H2. The gravimetric hydrogen density for Ca decorated boron sheet can reach up to 8.92 wt%. From the electronic analysis, it is found that both the orbital hybridizations and polarization mechanism play significant roles in H2 adsorption and storage.

  6. Fe3O4 nanoparticles decorated MWCNTs @ C ferrite nanocomposites and their enhanced microwave absorption properties (United States)

    Zhang, Kaichuang; Gao, Xinbao; Zhang, Qian; Chen, Hao; Chen, Xuefang


    Fe3O4 nanoparticles decorated MWCNTs @ C ferrite nanocomposites were synthesized using a co-precipitation method and a calcination process. As one kind absorbing material, we researched the electromagnetic absorption properties of the composites that were mixed with a filler loading of 80 wt% paraffin. In addition, we studied the influence of the magnetic nanoparticle content on the absorbing properties. The results showed that the frequency corresponding to the maximum absorptions shifted to lower frequency when the magnetic nanoparticles content increased. The Fe3O4 nanoparticles decorated MWCNTs @ C ferrite nanocomposites with approximately 60% Fe3O4 nanoparticles showed the best electromagnetic absorption properties. The maximum reflection loss was -52.47 dB with a thickness of 2.0 mm at 10.4 GHz.

  7. Enhanced viscoelastic property of iron oxide nanoparticle decorated organoclay fluid under magnetic field (United States)

    Son, You-Hwan; Jung, Youngsoo; Roh, Heesuk; Lee, Jung-Kun


    Stable hydrophobic nanocomposites of magnetic nanoparticles and clay are prepared by the self-assembly of magnetite (Fe3O4) nanoparticles on surfaces of exfoliated clay platelets. Due to the attractive interaction between hydrophobic groups, oleic acid coated nanoparticles are strongly attached to the surface of cetyl trimethylammonium cation coated clay platelets in organic media. Crystal structure and magnetic property of composite particles are examined using electron microscopy, x-ray diffractometer and vibration sample magnetometer. In addition, composite particles are dispersed in mineral oil and rheological properties of composite particle suspensions are characterized using steady-state and oscillatory measurements. Magnetite nanoparticle decorated organoclay forms a tunable network in mineral oil. When a magnetic field is applied, the composite particle fluid exhibits higher storage modulus and maintains a solid-like property at larger strain. Our results show that the viscoelastic property of the magnetite nanoparticle decorated organoclay fluid is controlled by applying external magnetic field.

  8. The Unheimliche Approach in the Making of Interiors

    Directory of Open Access Journals (Sweden)

    Karel Deckers


    Full Text Available ‘The (ReCreative Workings of Existential Anguish in Interior Architecture’ aims to understand, and potentially incorporate, the unheimliche into interior-architectural design teaching. My inquiry addresses a paradoxical and disquieting force inside interiors that does not intimidate, but rather stimulates, the growth of imagination and creativity through design. How can one define the limits of one’s own certainties and how to overcome them even if they cause existential anguish? I will argue that existential anguish in interiors emerges in the tension between a particular belonging to existing affiliations and the fresh unfamiliarity of unexpected encounters. My inquiry complements prevailing values and norms in interior architecture as preset by society (identity, commodities, light, sight, and so on. Interior-architectural unheimlichkeit may engage in a disruptive design approach that triggers and allows the growth of other values, such as empathy, in interior architecture. The unheimliche may specify a small yet existential part of interior architecture as a discipline. How can existential anguish become a (recreative agency in design teaching? It can be argued that a series of pedagogic experiments entitled ‘Onheimelijk Studios’, as collectively organized with and by student co-researchers at the St Lucas School of Architecture, Belgium, contributes to the research of existential anguish through the designing and making of interiors.

  9. Characterization and nanomechanical properties of novel dental implant coatings containing copper decorated-carbon nanotubes. (United States)

    Sasani, N; Vahdati Khaki, J; Mojtaba Zebarjad, S


    Fluorapatite-titania coated Ti-based implants are promising for using in dental surgery for restoring teeth. One of the challenges in implantology is to achieve a bioactive coating with appropriate mechanical properties. In this research, simple sol-gel method was developed for synthesis of fluorapatite-titania-carbon nanotube decorated with antibacterial agent. Triethyl phosphate [PO4(C2H5)3], calcium nitrate [Ca(NO3)2] and ammonium fluoride (NH4F) were used as precursors under an ethanol-water based solution for fluorapatite (FA) production. Titanium isopropoxide and isopropanol were used as starting materials for making TiO2 sol-gels. Also, Copper acetate [Cu(C2H3O2)2·H2O] was used as precursor for decoration of multi walled carbon nanotubes (MWCNTs) with wet chemical method. The decorated MWCNTs (CNT(Cu)) were evaluated by transmission electron microscopy (TEM). The phase identification of the FA-TiO2-CNT(Cu) coating was carried out by XRD analysis. Morphology of coated samples was investigated by SEM observations. The surface elastic modulus and hardness of coatings were studied using nanoindentation technique. The results indicate that novel dental implant coating containing FA, TiO2 and copper decorated MWCNTs have proper morphological features. The results of nanoindentation test show that incorporation of CNT(Cu) in FA-TiO2 matrix can improve the nanomechanical properties of composite coating. Copyright © 2014 Elsevier Ltd. All rights reserved.

  10. Exploring Thai Consumers Motivation for Purchase of Home Design Decoration Goods


    Kokulkiat, Suthee


    Fashion consumers often seek the products which portray idealized or desired image. Moreover consumers choices are often motivated by their social belongings. This paper focus on design home decorative consumer behaviour. Comprehensive review on previous literatures are emphasis on fashion consumption, self concept, symbolic consumption and social influence are being reviewed. The qualitative interviews are employed as an instrument to study consumer motivation to consume design rather than c...

  11. In situ decoration of graphene sheets with gold nanoparticles synthetized by pulsed laser ablation in liquids


    Torres-Mendieta, Rafael; Ventura-Espinosa, David; Sabater, Sara; Lancis, Jesus; M?nguez-Vega, Gladys; Mata, Jose A.


    The demand for nanocomposites of graphene and carbonaceous materials decorated with metallic nanoparticles is increasing on account of their applications in science and technology. Traditionally, the production of graphene-metal assemblies is achieved by the non-environmentally friendly reduction of metallic salts in carbonaceous suspensions. However, precursor residues during nanoparticle growth may reduce their surface activity and promote cross-chemical undesired effects. In this work we p...

  12. Graphene oxide chemically decorated with hybrid Ag-Ru/chitosan nanoparticles: fabrication and properties


    Veerapandian, Murugan; Neethirajan, Suresh


    Hybridization of distinct materials into a single nanoplatform is relevant to advance material’s properties for functional application such as biosensor platform. We report the synthesis and characterization of nanosheets of graphene oxide decorated with hybrid nanoparticles of silver-ruthenium bipyridine complex (Ag@[Ru(bpy)3]2+) core and chitosan shell. Hybrid nanoparticles were first obtained through a sequential wet-chemical approach using in situ reduction, electrostatic and coordination...

  13. Influence of metal nanoparticle decorated CNTs on polyurethane based electro active shape memory nanocomposite actuators

    International Nuclear Information System (INIS)

    Raja, Mohan; Shanmugharaj, A.M.; Ryu, Sung Hun; Subha, J.


    Highlights: → Polyurethane based on pristine and metal (Ag and Cu) nanoparticle decorated CNTs nanocomposites are prepared through melt blending process. → The electrical, mechanical, dynamic mechanical, thermal conductivity and electro active shape memory properties of the PU nanocomposites were investigated. → The influence of metal nanoparticle decorated CNTs showed significant improvement in their all properties to compare to pristine CNTs. → Electro active shape memory studies of the PU/M-CNTs nanocomposites reveal extraordinary recoverability of its shape at lower applied dc voltages. - Abstract: Polymer nanocomposites based on thermoplastic polyurethane (PU) elastomer and metal nanoparticle (Ag and Cu) decorated multiwall carbon nanotubes (M-CNTs) were prepared through melt mixing process and investigated for its mechanical, dynamic mechanical and electro active shape memory properties. Structural characterization and morphological characterization of the PU nanocomposites were done using X-ray diffraction (XRD) and scanning electron microscopy (SEM). Morphological characterization revealed better dispersion of M-CNTs in the polyurethane, which is attributed to the improved interaction between the M-CNTs and polyurethane. Loading of the metal nanoparticle coated carbon nanotubes resulted in the significant improvement on the mechanical properties such as tensile strength of the PU composites in comparison to the pristine carbon nanotubes (P-CNTs). Dynamic mechanical analysis showed that the glass transition temperature (Tg) of the polyurethane increases slightly with increasing loading of both pristine and metal nanoparticle functionalized carbon nanotubes. The metal nanoparticles decorated carbon nanotubes also showed significant improvement in the thermal and electrical conductivity of the PU/M-CNTs nanocomposites. Shape memory studies of the PU/M-CNTs nanocomposites exhibit remarkable recoverability of its shape at lower applied dc voltages.


    Directory of Open Access Journals (Sweden)

    BAROIU Nicuşor


    Full Text Available This paper presents the way technique and art combine to create laminated glass items, particularly laminated glassware engraved with acids, with reference to artistic reproductions from the Art Nouveau period, Gallé, Daum-Nancy, items with metallic coating such as bronze, brass etc. The paper will highlight aspects concerning glass characteristics, glassblowing methods, techniques of acid engraving, the art of decoration and the technology of mounting auxiliary metallic components.

  15. Silver particle-decorated carbon paste electrode based on ionic liquid for improved determination of nitrite


    Menart, Eva; Jovanovski, Vasko; Hočevar, Samo B.


    A simple silver particle-modified carbon paste electrode is proposed for the determination of low concentration levels of nitrite ions. The electrode consists of a carbon powder decorated with silver sub-micrometre particles (AgPs) and a hydrophobic ionic liquid trihexyltetradecylphosphonium chloride as a binder. It has been shown that AgPs exhibit a strong electrocatalytic effect on the nitrite oxidation. For optimal electroanalytical performance the electrode was conditioned via silver oxid...

  16. Ru-decorated Pt surfaces as model fuel cell electrocatalysts for CO electrooxidation. (United States)

    Maillard, F; Lu, G-Q; Wieckowski, A; Stimming, U


    This feature article concerns Pt surfaces modified (decorated) by ruthenium as model fuel cell electrocatalysts for electrooxidation processes. This work reveals the role of ruthenium promoters in enhancing electrocatalytic activity toward organic fuels for fuel cells, and it particularly concerns the methanol decomposition product, surface CO. A special focus is on surface mobility of the CO as it is catalytically oxidized to CO(2). Different methods used to prepare Ru-decorated Pt single crystal surfaces as well as Ru-decorated Pt nanoparticles are reviewed, and the methods of characterization and testing of their activity are discussed. The focus is on the origin of peak splitting involved in the voltammetric electrooxidation of CO on Ru-decorated Pt surfaces, and on the interpretative consequences of the splitting for single crystal and nanoparticle Pt/Ru bimetallic surfaces. Apparently, screening through the literature allows formulating several models of the CO stripping reaction, and the validity of these models is discussed. Major efforts are made in this article to compare the results reported by the Urbana-Champaign group and the Munich group, but also by other groups. As electrocatalysis is progressively more and more driven by theory, our review of the experimental findings may serve to summarize the state of the art and clarify the roads ahead. Future studies will deal with highly dispersed and reactive nanoscale surfaces and other more advanced catalytic materials for fuel cell catalysis and related energy applications. It is expected that the metal/metal and metal/substrate interactions will be increasingly investigated on atomic and electronic levels, with likewise increasing participation of theory, and the structure and reactivity of various monolayer catalytic systems involving more than two metals (that is ternary and quaternary systems) will be interrogated.

  17. Gilding for Matter Decoration and Sublimation. A Brief History of the Artisanal Technical Know-how


    Darque-Ceretti , Evelyne; Aucouturier , Marc


    IJCS it is an open access journal. All content is freely available without charge to any user or his/her institution; International audience; The process used to decorate art objects with thinner and thinner gold coatings varied during centuries. Foil or leaf metal gilding technology was complemented around the beginning of the Christian era by mercury gilding. Simultaneously was developed in some geographic areas the surface depletion process for gilded copper/silver alloys. This paper is mo...

  18. Flows from early Modernism into the Interior Streets of Venturi, Rauch and Scott Brown

    NARCIS (Netherlands)

    Theunissen, K.


    In 1972 the famous diagram of the ‘Decorated Shed’ was introduced into the architectural discourse; it implied a definition of ‘architecture as shelter with decoration on it’ [1]. The diagram was part of urban research into the commercial environment of Las Vegas that was interpreted by the

  19. Calcium-decorated carbon nanostructures for the selective capture of carbon dioxide. (United States)

    Koo, Jahyun; Bae, Hyeonhu; Kang, Lei; Huang, Bing; Lee, Hoonkyung


    The development of advanced materials for CO 2 capture is of great importance for mitigating climate change. In this paper, we outline our discovery that calcium-decorated carbon nanostructures, i.e., zigzag graphene nanoribbons (ZGNRs), carbyne, and graphyne, have great potential for selective CO 2 capture, as demonstrated via first-principles calculations. Our findings show that Ca-decorated ZGNRs can bind up to three CO 2 molecules at each Ca atom site with an adsorption energy of ∼-0.8 eV per CO 2 , making them suitable for reversible CO 2 capture. They adsorb CO 2 molecules preferentially, compared with other gas molecules such as H 2 , N 2 , and CH 4 . Moreover, based on equilibrium thermodynamical simulations, we confirm that Ca-decorated ZGNRs can capture CO 2 selectively from a gas mixture with a capacity of ∼4.5 mmol g -1 under ambient conditions. Similar results have been found in other carbon nanomaterials, indicating the generality of carbon based nanostructures for selective CO 2 capture under ambient conditions.

  20. Hydrogen storage on nitrogen induced defects in palladium-decorated graphene: A first-principles study

    International Nuclear Information System (INIS)

    Ma, Ling; Zhang, Jian-Min; Xu, Ke-Wei


    The structure and hydrogen storage behavior of Pd-decorated nitrogen-doped graphene are investigated using the first principals based on density functional theory (DFT) calculations. Among the three types of defective structures, it is found that Pd-decorated graphene with pyridinic and pyrrolic N-doped defects are more stable and exhibit hydrogen uptake ability up to three H 2 per Pd atom. A single H 2 or two H 2 are molecularly chemisorbed on the Pd atom, where the stretched H-H bond is relaxed but not dissociated. The binding mechanism of H 2 molecule is attributed to hybridization of the 4d orbitals of Pd with the σ orbitals of H 2 (so-called Kubas interaction). Out of two adsorbed H 2 , the first and second H 2 are still chemisorbed molecularly, the nature of bonding is very weak physisorption for the third adsorbed H 2 . Double-side Pd-decorated graphene with pyridinic and pyrrolic N defects can theoretically reach a gravimetric capacity of 1.99 wt.% hydrogen, which is very close to the recent experimental finding.

  1. Decorating multi-walled carbon nanotubes with nickel nanoparticles for selective hydrogenation of citral

    International Nuclear Information System (INIS)

    Tang Yuechao; Yang Dong; Qin Feng; Hu Jianhua; Wang Changchun; Xu Hualong


    The nanocomposites of multi-walled carbon nanotubes (MWNTs) decorated with nickel nanoparticles were conveniently prepared by a chemical reduction of nickel salt in the present of poly(acrylic acid) grafted MWNTs (PAA-g-MWNTs). Due to the strong interaction between Ni 2+ and -COOH, PAA-g-MWNTs became an excellent supporting material for Ni nanoparticles. The morphology and distribution of Ni nanoparticles on the surface of MWNTs were greatly influenced by the reduction temperatures, the experimental results also showed that the distribution of Ni nanoparticles was greatly improved while the MWNTs were modified by poly(acrylic acid) (PAA). The hydrogenation activity and selectivity of MWNTs decorated with Ni nanoparticles (Ni-MWNTs) for α, β-unsaturated aldehyde (citral) were also studied, and the experimental results showed that the citronellal, an important raw material for flavoring and perfumery industries, is the favorable product with a percentage as high as 86.9%, which is 7 times higher than that of catalyst by Ni-supported active carbon (Ni-AC). - Abstract: Nickel nanoparticles decorated multi-walled carbon nanotubes (Ni-MWNTs) nanocomposites were conveniently prepared by a chemical reduction of nickel salt in the present of poly(acrylic acid) grafted MWNTs (PAA-g-MWNTs). These nanocomposites possessed excellent catalytic activity and selectivity for hydrogenation of citral.

  2. Enhanced Photocatalytic Performance of NiO-Decorated ZnO Nanowhiskers for Methylene Blue Degradation

    Directory of Open Access Journals (Sweden)

    I. Abdul Rahman


    Full Text Available ZnO nanowhiskers were used for photodecomposition of methylene blue in aqueous solution under UV irradiation. The rate of methylene blue degradation increased linearly with time of UV irradiation. 54% of degradation rate was observed when the ZnO nanowhiskers were used as photocatalysts for methylene blue degradation for 80 min under UV irradiation. The decoration of p-type NiO nanoparticles on n-type ZnO nanowhiskers significantly enhanced photocatalytic activity and reached 72% degradation rate of methylene blue by using the same method. NiO-decorated ZnO was recycled for second test and shows 66% degradation from maximal peak of methylene blue within the same period. The increment of photocatalytic activity of NiO-decorated ZnO nanowhiskers was explained by the extension of the electron depletion layer due to the formation of nanoscale p-n junctions between p-type NiO and n-type ZnO. Hence, these products provide new alternative proficient photocatalysts for wastewater treatment.

  3. A multi-technique chemical characterization of a Stradivari decorated violin top plate (United States)

    Malagodi, M.; Canevari, C.; Bonizzoni, L.; Galli, A.; Maspero, F.; Martini, M.


    This paper focuses on the characterization of the materials of a violin top plate made by Antonio Stradivari (17th century), with different diagnostic techniques and with an integrated and non-destructive analytical methodology to study surface coatings and decorations. The UV-induced visible fluorescence, optical digital microscopy, ED-XRF associated with micro-FTIR spectroscopy analysis, and dendrochronology were performed. The investigations were aimed to identify the presence of original varnish layers and to characterize the composition of the decorations, either the inlaid purflings or the composite false-inlay strip between them. Several results were achieved: (i) evidence of the absence of varnish layers on the surface as a result of extended and inappropriate restoring; (ii) identification of the dye used for the black layers of the purflings; (iii) characterization of the black matrix and the white elements of the decoration. Furthermore, a dendrochronological dating was performed. A copy of the top plate was realized with materials similar to those identified on the Stradivari original; the same analyses performed on the original model were carried out on the same areas of the copy.

  4. Experimental and theoretical study on field emission properties of zinc oxide nanoparticles decorated carbon nanotubes

    International Nuclear Information System (INIS)

    Li Xin; Zhou Wei-Man; Liu Wei-Hua; Wang Xiao-Li


    Field emission properties of zinc oxide (ZnO) nanoparticles (NPs) decorated carbon nanotubes (CNTs) are investigated experimentally and theoretically. CNTs are in situ decorated with ZnO NPs during the growth process by chemical vapor deposition using a carbon source from the iron phthalocyanine pyrolysis. The experimental field emission test shows that the ZnO NP decoration significantly improves the emission current from 50 μA to 275 μA at 550 V and the reduced threshold voltage from 450 V to 350 V. The field emission mechanism of ZnO NPs on CNTs is theoretically studied by the density functional theory (DFT) combined with the Penn–Plummer method. The ZnO NPs reconstruct the ZnO–CNT structure and pull down the surface barrier of the entire emitter system to 0.49 eV so as to reduce the threshold electric field. The simulation results suggest that the presence of ZnO NPs would increase the LDOS near the Fermi level and increase the emission current. The calculation results are consistent with the experiment results. (paper)

  5. Morse Decorated with the Crucifixion and the Monogram of Abbot Walter Clifton of Warden Abbey

    Directory of Open Access Journals (Sweden)

    Michael Carter


    Full Text Available he circular copper-gilt plaque is decorated with a relief of the Crucifixion with the Virgin and St John. The dead Christ hangs on the cross beneath the titulus inscribed INRI. The flanking figures stand on pedestals, joined to the cross by curved brackets. The scene is set against a blue enamel background decorated with pastoral staffs and the initials “W C” in Lombardic script. The plaque, and two similar pieces, were bought by the British Museum in 1853, having been found at Shefford, close to the site of Warden Abbey, Bedfordshire. The first of the other plaques is decorated with a mount of the Virgin and Child flanked by enamel shields with the coat of arms azure, three pears, or, heraldry used by Warden Abbey. The second has a mount with a relief of a shield-holding angel. The shield is inscribed with the initials “W C”, each letter surmounted by a crown. Between the initials is a pastoral staff. On the reverse of each of the plaques are fragments of suspension loops.

  6. Practical Study on Treatment of Selected Decorated Tapestry in Applied Art Museum, Cairo

    Directory of Open Access Journals (Sweden)

    Neven Kamal FAHIM


    Full Text Available The paper presents the method of treatment of tapestry textile, that considers the most common technique used in decoration of textile since the new kingdom until now, it is called Kabaty. The paper deals with selected piece of museum of Applied Art Faculty in Cairo. Treatment procedure was performed by several stages; firstly, Dating by comparing the decoration technique, the type of material and the decorative motifs existed in the object with another one known its date. Then samples taken from object were examined by optical microscope, scanning electron microscope to identify type of fibers and surface morphology .x-ray analysis was performed to identify mordant and dust. FTIR analysis to identify dyes in dyed samples. Then, the paper deal with the treatment of tapestry pieces by testing sensitive of fiber to water, mechanical cleaning and chemical cleaning to remove stain, washing stage using distilled water, and finally consolidation the object by fixed on support of natural linen which was stretched on wooden frame treated by anti-fungal substance.

  7. High-performance Ge quantum dot decorated graphene/zinc-oxide heterostructure infrared photodetector. (United States)

    Liu, Xiang; Ji, Xiangbing; Liu, Mingju; Liu, Nianze; Tao, Zhi; Dai, Qing; Wei, Lei; Li, Chi; Zhang, Xiaobing; Wang, Baoping


    A novel size-controllable germanium quantum dot (Ge QD) is synthesized and decorated onto reduced graphene oxide (RGO) fragments to overcome the low infrared (IR) photoresponses (∼0.1 A/W)13,14 of pristine graphene. With the integration of flexible substrate, monolayer graphene (MLG) electrode and n-type zinc oxide (ZnO), a high-performance QD-decorated-RGO/ZnO heterostructure infrared photodetector is reported in this study. The Ge QD-decorated-RGO hybrid photosensitive composite improves the responsivity (∼9.7 A/W, 1400 nm) in IR waveband without sacrificing the response speed (∼40 μs rise time and 90 μs recovery time). In addition, the effective barrier formed between graphene and ZnO interface restricts the dark current (∼1.4 nA, -3 V) to guarantee the relatively excellent rectifying behavior and high on/off ratio (∼10(3)) for this IR photodetector. With these superior inherent properties and micron-sized sensing active area, this photodetector manifests great potential in the future application of graphene-based IR photodetector.

  8. Investigation on the electrical conductivity of ZnO nanoparticles-decorated bacterial nanowires (United States)

    Maruthupandy, Muthuchamy; Anand, Muthusamy; Maduraiveeran, Govindhan; Suresh, Santhanakrishnan; Sait Hameedha Beevi, Akbar; Jeeva Priya, Radhakrishnan


    Electrical conductivity of zinc oxide nanoparticles (ZnO NPs)-decorated bacterial nanowires is investigated in the present work. The ZnO NPs are prepared through a simple precipitation method and characterized by UV-vis spectrophotometer, Fourier transform infrared spectroscopy, x-ray diffraction, atomic force microscopy (AFM), scanning electron microscopy (SEM) and high resolution transmission electron microscopy (HRTEM). The SEM analysis discloses that the prepared ZnO NPs are spherical in shape with an average particle size of 3.5 nm. The ZnO NPs are decorated on the surface of bacterial nanowires and the same are characterized by AFM and HRTEM. The electrochemical performance of the bare bacterial nanowires and ZnO NPs-decorated bacterial nanowires is analyzed by cyclic voltammetry and linear sweep voltammetry, whereas their electrical conductivity is measured by electrochemical impedance spectroscopy. The results of the electrochemical investigations indicate that the ZnO NPs coating on the surface of bacterial nanowires improve the electrical conductivity of the bacterial nanowires.

  9. Bioactivity of noble metal nanoparticles decorated with biopolymers and their application in drug delivery. (United States)

    Rai, Mahendra; Ingle, Avinash P; Gupta, Indarchand; Brandelli, Adriano


    The unique properties of nanomaterials can be applied to solve different problems including new ways of drug delivery. Noble metal nanoparticles are most promising because they have been used for medicinal purposes since ancient time. It is evident from the past studies that the metallic nanoparticles are much more effective against various microorganisms when compared to their conventional counterparts. However, decoration of such nanoparticles with biomaterials add more advantages to their antimicrobial activity. Decoration of metal nanoparticles with biopolymers is a quite new area of research. Studies performed hitherto shown that nanoparticles of noble metals like silver, gold and platinum demonstrated better antibacterial, antifungal and antiviral activities when conjugated with biopolymers. The development of such technology has potential to develop materials that are more effective in the field of health science. Considering the importance and uniqueness of this concept, the present review aims to discuss the use of biopolymer-decorated metal nanoparticles for combating various diseases caused by microbial pathogens. Moreover, the nanotoxicity aspect has also been discussed. Copyright © 2015 Elsevier B.V. All rights reserved.

  10. Superhydrophobic Ag decorated ZnO nanostructured thin film as effective surface enhanced Raman scattering substrates (United States)

    Jayram, Naidu Dhanpal; Sonia, S.; Poongodi, S.; Kumar, P. Suresh; Masuda, Yoshitake; Mangalaraj, D.; Ponpandian, N.; Viswanathan, C.


    The present work is an attempt to overcome the challenges in the fabrication of super hydrophobic silver decorated zinc oxide (ZnO) nanostructure thin films via thermal evaporation process. The ZnO nanowire thin films are prepared without any surface modification and show super hydrophobic nature with a contact angle of 163°. Silver is further deposited onto the ZnO nanowire to obtain nanoworm morphology. Silver decorated ZnO (Ag@ZnO) thin films are used as substrates for surface enhanced Raman spectroscopy (SERS) studies. The formation of randomly arranged nanowire and silver decorated nanoworm structure is confirmed using FESEM, HR-TEM and AFM analysis. Crystallinity and existence of Ag on ZnO are confirmed using XRD and XPS studies. A detailed growth mechanism is discussed for the formation of the nanowires from nanobeads based on various deposition times. The prepared SERS substrate reveals a reproducible enhancement of 3.082 × 107 M for Rhodamine 6G dye (R6G) for 10-10 molar concentration per liter. A higher order of SERS spectra is obtained for a contact angle of 155°. Thus the obtained thin films show the superhydrophobic nature with a highly enhanced Raman spectrum and act as SERS substrates. The present nanoworm morphology shows a new pathway for the construction of semiconductor thin films for plasmonic studies and challenges the orderly arranged ZnO nanorods, wires and other nano structure substrates used in SERS studies.

  11. Promoting siRNA delivery via enhanced cellular uptake using an arginine-decorated amphiphilic dendrimer (United States)

    Liu, Xiaoxuan; Liu, Cheng; Zhou, Jiehua; Chen, Chao; Qu, Fanqi; Rossi, John J.; Rocchi, Palma; Peng, Ling


    RNA interference (RNAi) with small interfering RNA (siRNA) is expected to offer an attractive means to specifically and efficiently silence disease-associated genes for treating various diseases provided that safe and efficient delivery systems are available. In this study, we have established an arginine-decorated amphiphilic dendrimer composed of a hydrophobic alkyl chain and a hydrophilic PAMAM dendron bearing arginine terminals as nonviral vector for siRNA delivery. Indeed, this dendrimer proved to be very effective at delivering siRNAs in human prostate cancer PC-3 cells and in human hematopoietic CD34+ stem cells, leading to improved gene silencing compared to the corresponding nonarginine decorated dendrimer. Further investigation confirmed that this dendrimer was granted with the capacity to form stable nanoparticles with siRNA and significantly enhance cellular uptake of siRNA. In addition, this dendrimer revealed no discernible cytotoxicity. All these findings demonstrate that decoration of the dendrimer surface with arginine residues is indeed a useful strategy to improve the delivery ability of dendrimers.

  12. Deep Interior Mission: Imaging the Interior of Near-Earth Asteroids Using Radio Reflection Tomography (United States)

    Safaeinili, A.; Asphaug, E.; Belton, M.; Klaasen, K.; Ostro, S.; Plaut, J.; Yeomans, D.


    Near-Earth asteroids are important exploration targets since they provide clues to the evolution of the solar system. They are also of interest since they present a clear danger to Earth in the future. Our mission objective is to image the internal structure of two NEOs using radio reflection tomography (RRT), in order to explore the record of asteroid origin and impact evolution, and to test the fundamental hypothesis that these important members of the solar system are rubble piles rather than consolidated bodies. Our mission's RRT technique is analogous to doing a ``CAT scan" of the asteroid from orbit. Closely sampled radar echoes are processed to yield volumetric maps of mechanical and compositional boundaries, and measure interior material dielectric properties. The RRT instrument is a radar that operates at 5 and 15 MHz with two 30-m (tip-to-tip) dipole antennas that are used in a cross-dipole configuration. The radar transmitter and receiver electronics have heritage from JPL's MARSIS contribution to Mars Express, and the antenna is similar to systems used in IMAGE and LACE missions. The 5-MHz channel is designed to penetrate >1 km of basaltic rock, and 15-MHz penetrates a few hundred meters or more. In addition to RRT volumetric imaging, we use a redundant color cameras to explore the surface expressions of unit boundaries, in order to relate interior radar imaging to what is observable from spacecraft imaging and from Earth. The camera also yields stereo color imaging for geology and RRT-related compositional analysis. Gravity and high fidelity geodesy are used to explore how interior structure is expressed in shape, density, mass distribution and spin. Deep interior has two targets (S-type 1999 ND43 and V-type Nyx ) whose composition bracket the diversity of solar system materials that we are likely to encounter, and are richly complementary.

  13. Optimal Power Flow by Interior Point and Non Interior Point Modern Optimization Algorithms

    Directory of Open Access Journals (Sweden)

    Marcin Połomski


    Full Text Available The idea of optimal power flow (OPF is to determine the optimal settings for control variables while respecting various constraints, and in general it is related to power system operational and planning optimization problems. A vast number of optimization methods have been applied to solve the OPF problem, but their performance is highly dependent on the size of a power system being optimized. The development of the OPF recently has tracked significant progress both in numerical optimization techniques and computer techniques application. In recent years, application of interior point methods to solve OPF problem has been paid great attention. This is due to the fact that IP methods are among the fastest algorithms, well suited to solve large-scale nonlinear optimization problems. This paper presents the primal-dual interior point method based optimal power flow algorithm and new variant of the non interior point method algorithm with application to optimal power flow problem. Described algorithms were implemented in custom software. The experiments show the usefulness of computational software and implemented algorithms for solving the optimal power flow problem, including the system model sizes comparable to the size of the National Power System.

  14. Deep Interior Mission: Imaging the Interior of Near-Earth Asteroids Using Radio Reflection Tomography (United States)

    Safaeinili, A.; Asphaug, E.; Rodriquez, E.; Gurrola, E.; Belton, M.; Klaasen, K.; Ostro, S.; Plaut, J.; Yeomans, D.


    Near-Earth asteroids are important exploration targets since they provide clues to the evolution of the solar system. They are also of interest since they present a clear danger to Earth. Our mission objective is to image the internal structure of two NEOs using radio reflection tomography (RRT) in order to explore the record of asteroid origin and impact evolution, and to test the fundamental hypothesis that some NEOs are rubble piles rather than consolidated bodies. Our mission s RRT technique is analogous to doing a CAT scan of the asteroid from orbit. Closely sampled radar echoes are processed to yield volumetric maps of mechanical and compositional boundaries, and to measure interior material dielectric properties. The RRT instrument is a radar that operates at 5 and 15 MHz with two 30-m (tip-to-tip) dipole antennas that are used in a cross-dipole configuration. The radar transmitter and receiver electronics have heritage from JPL's MARSIS contribution to Mars Express, and the antenna is similar to systems used in IMAGE and LACE missions. The 5-MHz channel is designed to penetrate greater than 1 km of basaltic rock, and 15-MHz penetrates a few hundred meters or more. In addition to RRT volumetric imaging, we use redundant color cameras to explore the surface expressions of unit boundaries, in order to relate interior radar imaging to what is observable from spacecraft imaging and from Earth. The camera also yields stereo color imaging for geology and RRT-related compositional analysis. Gravity and high fidelity geodesy are used to explore how interior structure is expressed in shape, density, mass distribution and spin. Ion thruster propulsion is utilized by Deep Interior to enable tomographic radar mapping of multiple asteroids. Within the Discovery AO scheduling parameters we identify two targets, S-type 1999 ND43 (approximately 500 m diameter) and V-type 3908 Nyx (approximately 1 km), asteroids whose compositions bracket the diversity of solar system

  15. Comparable studies of magnetic properties of Ising spins-5/2 and 3/2 systems on decorated square and triangular lattices

    Energy Technology Data Exchange (ETDEWEB)

    Masrour, R., E-mail: [Laboratory of Materials, Processes, Environment and Quality, Cady Ayyed University, National School of Applied Sciences, 63 46000 Safi (Morocco); Jabar, A. [Laboratory of Materials, Processes, Environment and Quality, Cady Ayyed University, National School of Applied Sciences, 63 46000 Safi (Morocco); Benyoussef, A. [Institute of Nanomaterials and Nanotechnologies, MAScIR, Rabat (Morocco); Hassan II Academy of Science and Technology, Rabat (Morocco); Hamedoun, M. [Institute of Nanomaterials and Nanotechnologies, MAScIR, Rabat (Morocco)


    In this work, we have studied and compared the magnetic properties of Ising spins-5/2 and 3/2 systems on decorated square and triangular lattices using the Monte Carlo simulations. The transition temperature of the two-dimensional decorated square and triangular lattices has been obtained. The effect of the exchange interactions and crystal field on the magnetization is investigated. The magnetic coercive field and saturation magnetization of the two-dimensional decorated square and triangular lattices have been obtained.

  16. 10. The surface and interior of venus (United States)

    Masursky, H.; Kaula, W.M.; McGill, G.E.; Pettengill, G.H.; Phillips, R.J.; Russell, C.T.; Schubert, G.; Shapiro, I.I.


    Present ideas about the surface and interior of Venus are based on data obtained from (1) Earth-based radio and radar: temperature, rotation, shape, and topography; (2) fly-by and orbiting spacecraft: gravity and magnetic fields; and (3) landers: winds, local structure, gamma radiation. Surface features, including large basins, crater-like depressions, and a linear valley, have been recognized from recent ground-based radar images. Pictures of the surface acquired by the USSR's Venera 9 and 10 show abundant boulders and apparent wind erosion. On the Pioneer Venus 1978 Orbiter mission, the radar mapper experiment will determine surface heights, dielectric constant values and small-scale slope values along the sub-orbital track between 50??S and 75??N. This experiment will also estimate the global shape and provide coarse radar images (40-80 km identification resolution) of part of the surface. Gravity data will be obtained by radio tracking. Maps combining radar altimetry with spacecraft and ground-based images will be made. A fluxgate magnetometer will measure the magnetic fields around Venus. The radar and gravity data will provide clues to the level of crustal differentiation and tectonic activity. The magnetometer will determine the field variations accurately. Data from the combined experiments may constrain the dynamo mechanism; if so, a deeper understanding of both Venus and Earth will be gained. ?? 1977 D. Reidel Publishing Company.

  17. Present problems of the solar interior

    International Nuclear Information System (INIS)

    Roxburgh, I.W.


    The standard model of solar evolution is reviewed and a number of problems highlighted. A fundamental question is whether there is any mixing of matter in the central regions, since such mixing could radically alter the model of the present Sun and modify our understanding of the evolution of other stars. Standard models of solar evolution become unstable to /sup 3/He driven global oscillations at an age of 3 x 10/sup 8/ years and this may drive some mixing, even if this is not the case the finite amptitude limit of these oscillations is likely to produce modifications in the standard model. Convective overshooting at the bottom of the outer convective zone leads to an increased depth of this zone and small changes in the interior. It is pointed out that the young Sun had a /sup 12/C driven convective core whose extent and duration depends on the extend of overshooting. Such a core is likely to produce a magnetic field which will affect the internal dynamics. The internal rotation of the sun remains an enigma and absence of knowledge of any internal magnetic field makes it difficult to study the problem. Rotationally driven instabilities are ineffective in the central chemically inhomogeneous regions but may contribute to the inward diffusion of lithium from the convective zone. These and other problems are considered, but few solutions are proposed

  18. Tidal constraints on the interior of Venus (United States)

    Dumoulin, C.; Tobie, G.; Verhoeven, O.; Rosenblatt, P.; Rambaux, N.


    As a prospective study for a future exploration of Venus, we compute the tidal response of Venus' interior assuming various mantle compositions and temperature profiles representative of different scenarios of Venus' formation and evolution. The mantle density and seismic velocities are modeled from thermodynamical equilibria of mantle minerals and used to predict the moment of inertia, Love numbers, and tide-induced phase lag characterizing the signature of the internal structure in the gravity field. The viscoelasticity of the mantle is parameterized using an Andrade rheology. From the models considered here, the moment of inertia lies in the range of 0.327 to 0.342, corresponding to a core radius of 2900 to 3450 km. Viscoelasticity of the mantle strongly increases the potential Love number relative to previously published elastic models. Due to the anelasticity effects, we show that the possibility of a completely solid metal core inside Venus cannot be ruled out based on the available estimate of k2 from the Magellan mission (Konopliv and Yoder, 1996). A Love number k2 lower than 0.27 would indicate the presence of a fully solid iron core, while for larger values, solutions with an entirely or partially liquid core are possible. Precise determination of the Love numbers, k2 and h2, together with an estimate of the tidal phase lag, are required to determine the state and size of the core, as well as the composition and viscosity of the mantle.

  19. Magnetism and the interior of the moon (United States)

    Dyal, P.; Parkin, C. W.; Daily, W. D.


    During the time period 1961-1972, 11 magnetometers were sent to the moon. The primary purpose of this paper is to review the results of lunar magnetometer data analysis, with emphasis on the lunar interior. Magnetic fields have been measured on the lunar surface at the Apollo 12, 14, 15, and 16 landing sites. The remanent field values at these sites are 38, 103 (maximum), 3, and 327 gammas (maximum), respectively. Simultaneous magnetic field and solar plasma pressure measurements show that the Apollo 12 and 16 remanent fields are compressed during times of high plasma dynamic pressure. Apollo 15 and 16 subsatellite magnetometers have mapped in detail the field above portions of the lunar surface and have placed an upper limit on the global permanent dipole moment. Satellite and surface measurements show strong evidence that the lunar crust is magnetized over much of the lunar globe. Magnetic fields are stronger in highland regions than in mare regions and stronger on the lunar far side than on the near side. The largest magnetic anomaly measured to date is between the craters Van de Graaff and Aitken on the lunar far side.

  20. Observational consequences of unstable stellar interiors (United States)

    Cantiello, M.


    Stars are responsible for the production of all the elements, aside from hydrogen, that constitute our body. To understand the life and death of such important astrophysical objects, their interiors need to be modeled. The evolution of stars, including the effects of rotation, internal magnetic fields, convection, thermohaline mixing and pair creation is the main topic of this study. Stars often come in pairs, and the consequences of binary interaction have been explored as well. A new channel for the formation of Long Gamma Ray-Bursts has been discovered thanks to the inclusion of the aforementioned effects. This scenario suggests that a possibly large fraction of long GRBs occurs in runaway stars. A novel study of convection in massive stars is also presented, showing that microturbulence in the photosphere of hot stars might be caused by the presence of sub-surface convection zones. Such study suggests that clumping in the winds of OB stars could be caused by the same mechanism, and that magnetic fields produced in such sub-surface convection zones could appear at the surface of OB stars.

  1. Experimental review on interior tire-road noise models

    NARCIS (Netherlands)

    Bekke, Dirk; Bekke, D.A.; Wijnant, Ysbrand H.; de Boer, Andries; Sas, P


    Exterior and interior tire-road noise is a common problem for car and tire manufactures. Exterior tire-road noise is bounded by UN-ECE R117 and EC R661/2009. Interior tire-road noise on the other hand is determined by market requirements. Since the beginning of the last century different model

  2. Bootstrap method of interior-branch test for phylogenetic trees. (United States)

    Sitnikova, T


    Statistical properties of the bootstrap test of interior branch lengths of phylogenetic trees have been studied and compared with those of the standard interior-branch test in computer simulations. Examination of the properties of the tests under the null hypothesis showed that both tests for an interior branch of a predetermined topology are quite reliable when the distribution of the branch length estimate approaches a normal distribution. Unlike the standard interior-branch test, the bootstrap test appears to retain this property even when the substitution rate varies among sites. In this case, the distribution of the branch length estimate deviates from a normal distribution, and the standard interior-branch test gives conservative confidence probability values. A simple correction method was developed for both interior-branch tests to be applied for testing the reliability of tree topologies estimated from sequence data. This correction for the standard interior-branch test appears to be as effective as that obtained in our previous study, though it is much simpler. The bootstrap and standard interior-branch tests for estimated topologies become conservative as the number of sequence groups in a star-like tree increases.

  3. Mood perception of interior colors in a gym (United States)

    Ohno, Haruyo; Koizumi, Naoko


    When people enter a gym, they feel more like exercising in some cases than other cases. The interior color of the space may be a contributing factor. This paper discusses how the interior color of a gym affects female subjects in their twenties and forties to fifties both physiologically and psychologically.

  4. Field Dependence and Vocational Choice of Interior Design Students. (United States)

    Davis, Diane M.; And Others

    One hundred ninety-three interior design college students were administered the Group Embedded Figures Test, a measure of field dependence, in order to evaluate two of Witkin's hypotheses regarding career choice. The career-differentiation hypothesis predicted that students electing to major in interior design would be field independent because…

  5. Interior Design Supports Art Education: A Case Study (United States)

    Clemons, Stephanie A.


    Interior design, as a field of study, is a rapidly growing area of interest--particularly for teenagers in the United States. Part of this interest stems from the proliferation of design-related reality shows available through television media. Some art educators and curriculum specialists in the nation perceive the study of interior spaces as a…

  6. Virtual Interior Design Based On VRML AND JAVA (United States)

    Qi, Shaoliang

    Virtual reality has been involved in a wide range of academic and commercial applications. It can give users a natural feeling of the environment by creating realistic virtual worlds. In this paper, we use vrml and java to discuss the virtual interior design. EAI and JASI are used to realize the interaction between user and virtual interior scene.

  7. Interior Design Standards in the Secondary FCS Curriculum (United States)

    Katz, Shana H.; Smith, Bettye P.


    This article deals with a study on interior design standards in the secondary FCS curriculum. This study assessed the importance FCS teachers placed on content standards in the interior design curriculum to help determine the amount of time and emphasis to place on the units within the courses. A cover letter and questionnaire were sent…

  8. Interior Design Education within a Human Ecological Framework (United States)

    Kaup, Migette L.; Anderson, Barbara G.; Honey, Peggy


    An education based in human ecology can greatly benefit interior designers as they work to understand and improve the human condition. Design programs housed in colleges focusing on human ecology can improve the interior design profession by taking advantage of their home base and emphasizing the human ecological framework in the design curricula.…

  9. Design for subjective well-being in interior architecture

    NARCIS (Netherlands)

    Petermans, A.; Pohlmeyer, A.E.


    Can interior environments engage people in pleasurable and meaningful experiences and thereby have a positive influence on their happiness? This paper discusses why and how interior architects might want to consider implementing ideas in relation to ‘design for subjective well-being’. Despite of

  10. Interior spatial layout with soft objectives using evolutionary computation

    NARCIS (Netherlands)

    Chatzikonstantinou, I.; Bengisu, E.


    This paper presents the design problem of furniture arrangement in a residential interior living space, and addresses it by means of evolutionary computation. Interior arrangement is an important and interesting problem that occurs commonly when designing living spaces. It entails determining the

  11. Resilience of Athabascan subsistence systems to interior Alaska's changing climate (United States)

    Gary P. Kofinas; F. Stuart Chapin; Shauna BurnSilver; Jennifer I. Schmidt; Nancy L. Fresco; Knut Kielland; Stephanie Martin; Anna Springsteen; T. Scott Rupp


    Subsistence harvesting and wild food production by Athabascan peoples is part of an integrated social-ecological system of interior Alaska. We describe effects of recent trends and future climate change projections on the boreal ecosystem of interior Alaska and relate changes in ecosystem services to Athabascan subsistence. We focus primarily on moose, a keystone...

  12. 36 CFR 1192.97 - Interior circulation, handrails and stanchions. (United States)


    ... 36 Parks, Forests, and Public Property 3 2010-07-01 2010-07-01 false Interior circulation, handrails and stanchions. 1192.97 Section 1192.97 Parks, Forests, and Public Property ARCHITECTURAL AND... TRANSPORTATION VEHICLES Commuter Rail Cars and Systems § 1192.97 Interior circulation, handrails and stanchions...

  13. The Interior Columbia Basin Ecosystem Management Project: scientific assessment. (United States)


    This CD-ROM contains digital versions (PDF) of the major scientific documents prepared for the Interior Columbia Basin Ecosystem Management Project (ICBEMP). "A Framework for Ecosystem Management in the Interior Columbia Basin and Portions of the Klamath and Great Basins" describes a general planning model for ecosystem management. The "Highlighted...

  14. 49 CFR 38.77 - Interior circulation, handrails and stanchions. (United States)


    ... 49 Transportation 1 2010-10-01 2010-10-01 false Interior circulation, handrails and stanchions. 38.77 Section 38.77 Transportation Office of the Secretary of Transportation AMERICANS WITH DISABILITIES ACT (ADA) ACCESSIBILITY SPECIFICATIONS FOR TRANSPORTATION VEHICLES Light Rail Vehicles and Systems § 38.77 Interior circulation, handrails and...

  15. Knotworking In An Interior Décor Process

    DEFF Research Database (Denmark)

    Rasmussen, Mai; Jensen, Rasmus Lund; Fisker, Anna Marie


    These days, new buildings are being built at Aalborg University in Denmark, why interior décor processes are initiated. Planning the interior décor of Aalborg University is centralized at the Shared Service Center, where internal architects furnish the spaces and buy the selected furniture withou...

  16. Portable XRF and PIXE as complementary techniques for the analysis of old books: study of decorated flyleaves and edges

    International Nuclear Information System (INIS)

    Torner M, L.; Gonzalez T, C.; Ruvalcaba S, J.L.


    Traditionally in the study of ancient books, the binding (leather, parchment, cloth) and their decorations have not the same importance than other parts of the book. Most of the times, paper, inks and internal decorations attract entirely the attention for analytical studies. Nevertheless, it must be considered that the binding keep the book safe and it may be exposed D higher deterioration. Moreover, often it is changed and the historical value of this part of the book is lost. his is also the case of binding's decorations. For these reasons, it is clear that he binding of ancient books must be studied as a part of their material essence. In this work, methodology based on t]he combined use of microscopic and elemental analyses was applied in order to study four types of decorations of guards of books (marbled, colored, splashed, dotted). In particular, this study was focused on Colonial and Mexican books from XVIII and XIX centuries from the collection of the Biblioteca Nacional de Antropologia e Historia, lNAH. Twelve books and 62 decoration's colors were analyzed in situ, in the library, using a portable X-ray Fluorescence Spectroscopy system (XRF) for a quick nondestructive pigment identification and to select a reduced number of books for complementary analyses at the laboratory by Particle Induced X-ray Emission Spectroscopy (PIXE). By combining these nondestructive techniques, it was possible to identify most of the pigments used in the decorations and to establish a general pattern of use of colorants and pigments in XVIII and XIX centuries for the guard's decorations. This work represents the first study on this topic. (Author)

  17. Role of work function in field emission enhancement of Au island decorated vertically aligned ZnO nanotapers

    Energy Technology Data Exchange (ETDEWEB)

    Singh, Avanendra [School of Physical Sciences, National Institute of Science Education and Research (NISER), HBNI, Bhubaneswar 752050, Odisha (India); Senapati, Kartik, E-mail: [School of Physical Sciences, National Institute of Science Education and Research (NISER), HBNI, Bhubaneswar 752050, Odisha (India); Kumar, Mohit; Som, Tapobrata [SUNAG Laboratory, Institute of Physics, Bhubaneswar 751005, Odisha (India); Sinha, Anil K. [Indus Synchrotrons Utilization Division, Raja Ramanna Centre for Advanced Technology, Indore 452013, M.P. (India); Sahoo, Pratap K., E-mail: [School of Physical Sciences, National Institute of Science Education and Research (NISER), HBNI, Bhubaneswar 752050, Odisha (India)


    Highlights: • Hydrothermally synthesized nanotapers were decorated by gold corrugation using simple evaporation techniques for large area applications. • A significantly enhanced field emission properties of nanotapers were achieved. • The metal induced midgap states formed at the ZnO-Au interface and the reduced effective work function are responsible for low turn-on field. • TUNA measurements revealed a very uniform spatial emission profile in the Au decorated nanotapers. - Abstract: In this report, we demonstrate significantly enhanced field emission properties of ZnO nanotapers achieved via a corrugated decoration of Au. Field emission experiments on these Au-decorated ZnO nanotapers showed emission current densities comparable to the best results in the literature. Au decoration of 5 nm also reduced the effective turn-on field to ∼0.54 V/μm, compared to the as grown ZnO nanotapers, which showed a turn-on field of ∼1.1 V/μm. Tunneling atomic force microscopy measurements revealed a very uniform spatial emission profile in the 5 nm Au decorated nanotapers, which is a basic requirement for any large scale application. We believe that metal induced mid-gap states formed at the ZnO–Au interface are responsible for the observed low turn-on field because such interface states are known to reduce the effective work function. A direct measurement of effective work function using Kelvin probe force microscopy indeed showed more than 1.1 eV drop in the case of 5 nm Au decorated ZnO nanotapers compared to the pristine nanotapers, supporting the above argument.

  18. Dream Home: a multiview stereoscopic interior design system (United States)

    Hsiao, Fu-Jen; Teng, Chih-Jen; Lin, Chung-Wei; Luo, An-Chun; Yang, Jinn-Cherng


    In this paper, a novel multi-view stereoscopic interior design system, "Dream Home", has been developed to bring users new interior design experience. Different than other interior design system before, we put emphasis on its intuitive manipulation and multi-view stereoscopic visualization in real time. Users can do their own interior design just using their hands and eyes without any difficulty. They manipulate furniture cards directly as they wish to setup their living room in the model house task space, get the multi-view 3D visual feedback instantly, and re-adjust cards until they are satisfied. No special skills are required, and you can explore your design talent arbitrarily. We hope that "Dream Home" will make interior design more user-friendly, more intuitive, and more vivid.

  19. The challenge to explore the Brazilian interior basins; O desafio da exploracao das bacias interiores brasileiras

    Energy Technology Data Exchange (ETDEWEB)

    Bacoccoli, Giuseppe [Universidade Federal do Rio de Janeiro (UFRJ), RJ (Brazil). Coordenacao dos Programas de Pos-graduacao de Engenharia; Guimaraes, Paulo Buarque [Organizacao da Industria do Petroleo (ONIP), Rio de Janeiro, RJ (Brazil)


    Due to the development of the fields, already discovered in the deep waters of the Southeastern Atlantic Margin, the Brazilian domestic production will shortly be equivalent to the consumption. Despite reaching this goal, the exploration of large interior basins is still considered a challenge. Surprisingly, after the discoveries in the Solimoes Basin, as well after the opening of the Brazilian Petroleum Sector in 1997, the present level of the exploration activities in these basins is far below the previous historical averages. The available data are still now considered too scarce, to perform a proper evaluation. Apparently, a vicious circle has been established: due to the a priori low attractiveness new data are not acquired and because the lack of new data the attractiveness cannot be modified nor improved. The Parnaiba Basin is usually mentioned as an example of this poor amount of data. A modest coverage of ancient 2D seismic lines, and obsolete aero magnetic survey and thirty one exploratory wells, mostly located without geophysical support, represents all the available data in this vast basin with an area over 600,000 sq km. Recent regional geologic interpretations in such interior basins, as in Solimoes, Parana and also Parnaiba, are pointing out the presence of remarkable intraplate tectonic events, successively reactivated along the geologic time. It is now intended that these events can play an important role in the control of the petroleum system and in focalizing the new exploration activities. However, efforts should be applied in the revision of some regulatory rules, in Brazil, in order to better stimulate the onshore exploration and particularly the exploration of the interior basins. As recommended by the new Brazilian Petroleum Law, part of the government takes shall be effectively applied to acquire more geologic and geophysical data in the onshore areas (author)

  20. Full waveform inversion of solar interior flows

    Energy Technology Data Exchange (ETDEWEB)

    Hanasoge, Shravan M. [Department of Astronomy and Astrophysics, Tata Institute of Fundamental Research, Mumbai 400005 (India)


    The inference of flows of material in the interior of the Sun is a subject of major interest in helioseismology. Here, we apply techniques of full waveform inversion (FWI) to synthetic data to test flow inversions. In this idealized setup, we do not model seismic realization noise, training the focus entirely on the problem of whether a chosen supergranulation flow model can be seismically recovered. We define the misfit functional as a sum of L {sub 2} norm deviations in travel times between prediction and observation, as measured using short-distance filtered f and p {sub 1} and large-distance unfiltered p modes. FWI allows for the introduction of measurements of choice and iteratively improving the background model, while monitoring the evolution of the misfit in all desired categories. Although the misfit is seen to uniformly reduce in all categories, convergence to the true model is very slow, possibly because it is trapped in a local minimum. The primary source of error is inaccurate depth localization, which, due to density stratification, leads to wrong ratios of horizontal and vertical flow velocities ({sup c}ross talk{sup )}. In the present formulation, the lack of sufficient temporal frequency and spatial resolution makes it difficult to accurately localize flow profiles at depth. We therefore suggest that the most efficient way to discover the global minimum is to perform a probabilistic forward search, involving calculating the misfit associated with a broad range of models (generated, for instance, by a Monte Carlo algorithm) and locating the deepest minimum. Such techniques possess the added advantage of being able to quantify model uncertainty as well as realization noise (data uncertainty).

  1. Statistical interior properties of globular proteins

    International Nuclear Information System (INIS)

    Zhou-Ting, Jiang; Tai-Quan, Wu; Lin-Xi, Zhang; Ting-Ting, Sun


    The character of forming long-range contacts affects the three-dimensional structure of globular proteins deeply. As the different ability to form long-range contacts between 20 types of amino acids and 4 categories of globular proteins, the statistical properties are thoroughly discussed in this paper. Two parameters N C and N D are defined to confine the valid residues in detail. The relationship between hydrophobicity scales and valid residue percentage of each amino acid is given in the present work and the linear functions are shown in our statistical results. It is concluded that the hydrophobicity scale defined by chemical derivatives of the amino acids and nonpolar phase of large unilamellar vesicle membranes is the most effective technique to characterise the hydrophobic behavior of amino acid residues. Meanwhile, residue percentage P i and sequential residue length L i of a certain protein i are calculated under different conditions. The statistical results show that the average value of P i as well as L i of all-α proteins has a minimum among these 4 classes of globular proteins, indicating that all-α proteins are hardly capable of forming long-range contacts one by one along their linear amino acid sequences. All-β proteins have a higher tendency to construct long-range contacts along their primary sequences related to the secondary configurations, i.e. parallel and anti-parallel configurations of β sheets. The investigation of the interior properties of globular proteins give us the connection between the three-dimensional structure and its primary sequence data or secondary configurations, and help us to understand the structure of protein and its folding process well. (cross-disciplinary physics and related areas of science and technology)

  2. Mercury exposure from interior latex paint. (United States)

    Agocs, M M; Etzel, R A; Parrish, R G; Paschal, D C; Campagna, P R; Cohen, D S; Kilbourne, E M; Hesse, J L


    Many paint companies have used phenylmercuric acetate as a preservative to prolong the shelf life of interior latex paint. In August 1989, acrodynia, a form of mercury poisoning, occurred in a child exposed to paint fumes in a home recently painted with a brand containing 4.7 mmol of mercury per liter (at that time the Environmental Protection Agency's recommended limit was 1.5 mmol or less per liter). To determine whether the recent use of that brand of paint containing phenylmercuric acetate was associated with elevated indoor-air and urinary mercury concentrations, we studied 74 "exposed" persons living in 19 homes recently painted with the brand and 28 "unexposed" persons living in 10 homes not recently painted with paint containing mercury. The paint samples from the homes of exposed persons contained a median of 3.8 mmol of mercury per liter, and air samples from the homes had a median mercury content of 10.0 nmol per cubic meter (range, less than 0.5 to 49.9). No mercury was detected in paint or air samples from the homes of unexposed persons. The median urinary mercury concentration was higher in the exposed persons (4.7 nmol of mercury per millimole of creatinine; range, 1.4 to 66.5) than in the unexposed persons (1.1 nmol per millimole; range, 0.02 to 3.9; P less than 0.001). Urinary mercury concentrations within the range that we found in exposed persons have been associated with symptomatic mercury poisoning. We found that potentially hazardous exposure to mercury had occurred among persons whose homes were painted with a brand of paint containing mercury at concentrations approximately 2 1/2 times the Environmental Protection Agency's recommended limit.

  3. Durable underwater superoleophobic PDDA/halloysite nanotubes decorated stainless steel mesh for efficient oil-water separation (United States)

    Hou, Kun; Zeng, Yicheng; Zhou, Cailong; Chen, Jiahui; Wen, Xiufang; Xu, Shouping; Cheng, Jiang; Lin, Yingguang; Pi, Pihui


    A durable underwater superoleophobic mesh was conveniently prepared by layer-by-layer (LBL) assembly of poly (diallyldimethylammonium chloride) (PDDA) and halloysite nanotubes (HNTs) on a stainless steel mesh. The hierarchical structure and roughness of the PDDA/HNTs coating surface were controlled by adjusting the number of layer deposition cycles. When the PDDA/HNTs coating with 10 deposition cycles was decorated on the mesh with pore size of about 54 μm, the underwater superoleophobic mesh was obtained. The as-prepared underwater superoleophobic PDDA/HNTs decorated mesh exhibits outstanding oil-water separation performance with a separation efficiency of over 97% for various oil/water mixtures, which allowed water to pass through while repelled oil completely. In addition, the as-prepared decorated mesh still maintained high separation efficiency above 97% after repeated 20 separation times for hexane/water mixture or chloroform/water mixture. More importantly, the as-prepared decorated mesh is durable enough to resist chemical and mechanical challenges, such as strong alkaline, salt aqueous and sand abrasion. Therefore, the as-prepared decorated mesh has practical utility in oil-water separation due to its stable oil-water performance, remarkable chemical and mechanical durability and the facile and eco-friendly preparation process.

  4. Enhanced adsorption of acidic gases (CO2, NO2 and SO2) on light metal decorated graphene oxide. (United States)

    Chen, Chi; Xu, Kui; Ji, Xiao; Miao, Ling; Jiang, Jianjun


    The adsorption of several acidic gases (CO2, NO2 and SO2) on light metal (Li, Al) decorated graphene oxide (GO) is theoretically studied, based on the first-principles calculations. Configuration relaxation, binding energy and charge transfer are carried out to discuss the acidic gas adsorption ability of light metal decorated GO. It is found out that Li, Al could be anchored stably by hydroxyl and epoxy groups on GO, and then a strong adsorption of CO2, NO2 and SO2 will occur above these light metals. In contrast to Ti, Li decorated GO exhibits a comparable adsorption ability of acidic gases, but a much smaller interaction with O2 about 2.85-3.98 eV lower in binding energy; and Al decorated GO displays much higher binding energy of all acidic gases with an enhancement of about 0.59-2.29 eV. The results of enhanced acidic gas adsorption ability and a reduced interference by O2 imply that Li, Al decorated GO may be useful and promising for collection and filtration of exhaust gases.

  5. Improving the photocatalytic activity of s-triazine based graphitic carbon nitride through metal decoration: an ab initio investigation. (United States)

    Srinivasu, K; Modak, Brindaban; Ghosh, Swapan K


    Graphitic carbon nitride based semiconductor materials are found to be potential photocatalysts for generating hydrogen through solar water splitting. Through more accurate hybrid density functional theory calculations, we attempted to tune the electronic band structure of poly s-triazine based graphitic carbon nitride by decorating it with different metal atoms and clusters for improving its visible light absorption efficiency. For deposition on the two-dimensional carbon nitride surface, a range of metals have been considered which include all the 3d transition metals and the noble metals (Ag, Au, Pt and Pd). Our study reveals that though the band gaps of all the metal decorated systems were less than that of pristine carbon nitride, in most of the cases, metal decoration leads to the formation of mid gap impurity states, which can hinder the mobility of charge carriers. However, in the case of Ag and its four atom cluster deposited systems, no mid gap states were observed. In all the metal decorated systems, the measured band edge potentials were also found to satisfy the thermodynamic criterion for overall water splitting. The calculated optical absorption spectra show a shift in the absorption band towards the visible region upon metal decoration. Our results indicate that among all the considered metal atoms silver is the preferred candidate for deposition on the carbon nitride surface for improved photocatalytic activity.

  6. Virtual Reality as Innovative Approach to the Interior Designing (United States)

    Kaleja, Pavol; Kozlovská, Mária


    We can observe significant potential of information and communication technologies (ICT) in interior designing field, by development of software and hardware virtual reality tools. Using ICT tools offer realistic perception of proposal in its initial idea (the study). A group of real-time visualization, supported by hardware tools like Oculus Rift HTC Vive, provides free walkthrough and movement in virtual interior with the possibility of virtual designing. By improving of ICT software tools for designing in virtual reality we can achieve still more realistic virtual environment. The contribution presented proposal of an innovative approach of interior designing in virtual reality, using the latest software and hardware ICT virtual reality technologies

  7. Thermal conductivity studies of novel nanofluids based on metallic silver decorated mesoporous silica nanoparticles

    International Nuclear Information System (INIS)

    Tadjarodi, Azadeh; Zabihi, Fatemeh


    Graphical abstract: - Highlights: • Metallic silver was decorated in mSiO 2 with grafted hemiaminal functional groups. • Synthesized nanoparticles were used for preparation of glycerol based nanofluids. • The effect of temperature, weight fraction of mSiO 2 and concentration of silver nanoparticles on thermal conductivity of nanofluids was investigated. - Abstract: In the present study, the mesoporous structure of silica (mSiO 2 ) nanoparticles as well as hemiaminal grafted mSiO 2 decorated by metallic silver (Ag/mSiO 2 ) has been used for the preparation of glycerol based nanofluids. Structural and morphological characterization of the synthesized products have been carried out using Fourier transform infrared spectroscopy (FTIR), scanning electron microscope (SEM), X-ray diffraction (XRD), UV–vis spectroscopy, inductively coupled plasma (ICP) and N 2 adsorption–desorption isotherms. The thermal conductivity and viscosity of the nanofluids have been measured as a function of temperature for various weight fractions and silver concentrations of mSiO 2 and Ag/mSiO 2 nanoparticles, respectively. The results show that the thermal conductivity of the nanofluids increase up to 9.24% as the weight fraction of mSiO 2 increases up to 4 wt%. Also, increasing the percent of the silver decorated mSiO 2 (Ag/mSiO 2 ) up to 2.98% caused an enhancement in the thermal conductivity of the base fluid up to 10.95%. Furthermore, the results show that the nanofluids have Newtonian behavior in the tested temperature range for various concentrations of nanoparticles

  8. Hydrogen storage capacity on Ti-decorated porous graphene: First-principles investigation (United States)

    Yuan, Lihua; Kang, Long; Chen, Yuhong; Wang, Daobin; Gong, Jijun; Wang, Chunni; Zhang, Meiling; Wu, Xiaojuan


    Hydrogen storage capacity on Titanium (Ti) decorated porous graphene (PG) has been investigated using density functional theory simulations with generalized gradient approximation method. The possible adsorption sites of Ti atom on PG and electronic properties of Ti-PG system are also discussed.The results show a Ti atom prefers to strongly adsorb on the center site above the C hexagon with the binding energy of 3.65 eV, and the polarization and the hybridization mechanisms both contribute to the Ti atom adsorption on PG. To avoid a tendency of clustering among Ti atoms, the single side of the PG unit cell should only contain one Ti atom. For the single side of PG, four H2 molecules can be adsorbed around Ti atom, and the adsorption mechanism of H2 molecules come from not only the polarization mechanism between Ti and H atoms but also the orbital hybridization among Ti atom, H2 molecules and C atoms. For the case of double sides of PG, eight H2 molecules can be adsorbed on Ti-decorated PG unit cell with the average adsorption energy of -0.457 eV, and the gravimetric hydrogen storage capacity is 6.11 wt.%. Furthermore, ab inito molecular-dynaics simulation result shows that six H2 molecules can be adsorbed on double sides of unit cell of Ti-PG system and the configuration of Ti-PG is very stable at 300 K and without external pressure, which indicates Ti-decorated PG could be considered as a potential hydrogen storage medium at ambient conditions.

  9. Mercury's Interior from MESSENGER Radio Science Data (United States)

    Genova, A.; Mazarico, E.; Goossens, S. J.; Lemoine, F. G.; Neumann, G. A.; Smith, D. E.; Zuber, M. T.


    The MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft provided precise radio tracking data in orbit about Mercury for more than 4 years, from March 2011 to April 2015. These geodetic measurements enable us to investigate the interior structure of the planet from the inner core to the crust. The first three years of radio data allowed us to determine the gravity field of Mercury with a resolution of 150 km in the northern hemisphere (degree and order 50 in spherical harmonics) since the periapsis was located at higher latitudes (>65˚N) and 200-500 km altitudes. The comparison of this gravity solution with Mercury's topography, which was retrieved by using over 25 million individual measurements of the Mercury Laser Altimeter (MLA), resulted in a preliminary map of the crustal thickness of the planet. However, those results were limited by the resolution of the gravity field since the topography was defined in spherical harmonics up to degree and order 125. The last year of the MESSENGER extended mission was dedicated to a low-altitude campaign, where the spacecraft periapsis was maintained at altitudes between 25 and 100 km. The radio data collected during this mission phase allowed us to significantly improve the resolution of the gravity field locally in the northern hemisphere up to degree and order 100 in spherical harmonics. We present the gravity anomalies and crustal thickness maps that lead to a better understanding on the formation and evolution of specific regions. We present our estimated orientation model, which slightly differs from the solutions that were obtained by using Earth-based radar measurements and the co-registration of MESSENGER imaging and altimetry data. These previous estimates provide a direct measurement of the surface response, whereas the orientation model from gravity is more sensitive to the inner and outer core. A discrepancy between core and surface obliquities may provide fundamental

  10. High-rate capability silicon decorated vertically aligned carbon nanotubes for Li-ion batteries

    Energy Technology Data Exchange (ETDEWEB)

    Gohier, Aurelien; Kim, Ki-Hwan; Maurice, Jean-Luc; Cojocaru, Costel Sorin [Laboratoire de Physique des Interfaces et des Couches Minces, LPICM, Ecole Polytechnique, route de Saclay, 91128 Palaiseau Cedex (France); Laik, Barbara; Pereira-Ramos, Jean-Pierre [Institut de Chimie et des Materiaux Paris-Est, ICMPE/GESMAT, UMR 7182 CNRS-UPEC, 2 rue Henri Dunant, 94320 Thiais (France); Van, Pierre Tran [Renault SAS, DREAM/DETA/SEE, 1, avenue du Golf, 78288 Guyancourt (France)


    The concept of a hybrid nanostructured collector made of thin vertically aligned carbon nanotubes (CNTs) decorated with Si nanoparticles provides high power density anodes in lithium-ion batteries. An impressive rate capability is achieved due to the efficient electronic conduction of CNTs combined with well defined electroactive Si nanoparticles: capacities of 3000 mAh g{sup -1} at 1.3C and 800 mAh g{sup -1} at 15C are achieved. (Copyright copyright 2012 WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim)

  11. Decorative value of three dahlia cultivars (Dahlia ×cultorum Thorsr. et Reis treated with gibberellin

    Directory of Open Access Journals (Sweden)

    Krystyna Pudelska


    Full Text Available Dahlia (Dalia ×cultorumThorsr. et Reis is a perennial that due to special decorative value, diversity of inflorescences colours and shapes as well as plants height, is widely planted in flowerbeds, borders and different garden containers. Growth regulators play a significant role in ornamental plants cultivation. They influence size and shape of plants, number of inflorescences and flowering earliness. Gibberellins are among substances that are commonly used in plants production. In the years 2010-2011 research on the effect of GA 3 on morphological features of 3 Polish dahlia cultivars of Top-Mix group was conducted.

  12. When Christmas decoration goes hand in hand with bronchial aspiration …

    Directory of Open Access Journals (Sweden)

    Ania Carsin


    Full Text Available We report the case of a 14-month-old girl suffering from cough and wheeze around Christmas. She was treated with anti-asthmatic drugs with no success, and 3 weeks later a chest X-ray revealed a LED bulb in the left main bronchus. This LED bulb came from a Christmas light garland decorating the Christmas tree. We discuss the different Christmas objects that can be inhaled by young children, the challenge to diagnose bronchial inhalation during this winter period, and the emergence of new foreign bodies, such as LED bulbs, with a particularly aerodynamic shape.

  13. Research of rheological and physico-mechanical properties of decorative concrete

    Directory of Open Access Journals (Sweden)

    Сергей Григорьевич Гузий


    Full Text Available The results of experimental researches of rheological and physico-mechanical properties of geocement-based decorative concrete are shown. The optimum composition of the material is defined. It is determined that introduction of the ground limestone in the concrete increases the stabilization time of process viscosity and additives Murasan BWA 21 contributes to the preservation of the geometric dimensions of the samples in the process of pulling out. Bending strength and frost resistance with a significant decrease in water absorption are increased after microwave drying.

  14. Synthesis and enhanced humidity detection response of nanoscale Au-particle-decorated ZnS spheres


    Liang, Yuan-Chang; Liu, Shang-Luen


    We successfully prepared Au-nanoparticle-decorated ZnS (ZnS-Au) spheres by sputtering Au ultrathin films on surfaces of hydrothermally synthesized ZnS spheres and subsequently postannealed the samples in a high-vacuum atmosphere. The Au nanoparticles were distributed on ZnS surfaces without substantial aggregation. The Au nanoparticle diameter range was 5 to 10 nm. Structural information showed that the surface of the annealed ZnS-Au spheres became more irregular and rough. A humidity sensor ...

  15. Ferromagnetic Ni decorated ordered mesoporous carbons as magnetically separable adsorbents for methyl orange

    International Nuclear Information System (INIS)

    Liu Ningning; Yin Longwei; Zhang Luyuan; Wang Changbin; Lun Ning; Qi Yongxin; Wang Chengxiang


    Highlights: ► Magnetically separable Ni-decorated ordered mesoporous carbon (OMC) was successfully synthesized. ► The adsorption capacities for MO dyes on ordered mesoporous carbons, Ni-OMC and activated carbon powder were comparatively investigated. ► The effects of surface area, pore structure, and Ni deposition on the absorption capacities for MO were investigated. ► The ferromagnetic Ni decorated OMC can be easily dispersed in aqueous solution and removed by an external magnetic field. - Abstract: Magnetic ordered mesoporous carbons (OMCs) with Ni nanoparticle (average size: 10 nm) homogeneously modified on surfaces of OMCs were successfully fabricated via a facile casting route. The microstructure, pore size distribution, pore structure, and surface area of the synthesized OMCs and Ni decorated OMCs (Ni-OMCs) were characterized by X-ray diffraction, field emission scanning electron microscopy, high-resolution transmission electron microscopy and N 2 sorption. The characterization by magnetic hysteresis loops suggests a ferromagnetic behavior for the Ni-OMCs samples with a magnetization saturation of 2.34 emu g −1 at 300 K, high enough for magnetic separation. The ferromagnetic Ni-OMCs were used as magnetically separable high-performance adsorbents for methyl orange (MO). The adsorption capacities for MO on the Ni-OMCs as magnetically separable adsorbents were investigated comparatively with pristine OMCs and activated carbon powder (ACP). The results show that the adsorption capacities for MO on the OMCs and Ni-OMCs adsorbents could be well described according to Langmuir isotherm with MO molecule preferentially adsorbed in the structured mesopores, suggesting the adsorption type of monolayer coverage of MO dye onto the mesoporous samples. The effects of surface area, pore structure, and the Ni deposition on the adsorption capacities for MO were systematically investigated. The effects of several important parameters such as contact time, temperature

  16. Optical and morphological properties of graphene sheets decorated with ZnO nanowires via polyol enhancement

    International Nuclear Information System (INIS)

    Sharma, Vinay; Rajaura, Rajveer Singh; Sharma, Preetam K.; Srivastava, Subodh; Vijay, Y. K.; Sharma, S. S.


    Graphene-ZnO nanocomposites have proven to be very useful materials for photovoltaic and sensor applications. Here, we report a facile, one-step in situ polymerization method for synthesis of graphene sheets randomly decorated with zinc oxide nanowires using ethylene glycol as solvent. We have used hydrothermal treatment for growth of ZnO nanowires. UV-visible spectra peak shifting around 288nm and 307 nm shows the presence of ZnO on graphene structure. Photoluminiscence spectra (PL) in 400nm-500nm region exhibits the luminescence quenching effect. Scanning electron microscopy (SEM) image confirms the growth of ZnO nanowires on graphene sheets

  17. Biotin decorated PLGA nanoparticles containing SN-38 designed for cancer therapy. (United States)

    Mehdizadeh, Mozhdeh; Rouhani, Hasti; Sepehri, Nima; Varshochian, Reyhaneh; Ghahremani, Mohammad Hossein; Amini, Mohsen; Gharghabi, Mehdi; Ostad, Seyed Nasser; Atyabi, Fatemeh; Baharian, Azin; Dinarvand, Rassoul


    Active targeted chemotherapy is expected to provide more specific delivery of cytotoxic drugs to the tumor cells and hence reducing the side effects on healthy tissues. Due to the over expression of biotin receptors on cancerous cells as a result of further requirement for rapid proliferations, biotin can be a good candidate as a targeting agent. In this study, biotin decorated PLGA nanoparticles (NPs) containing SN-38 were prepared and in vitro studies were evaluated for their improved anti-cancer properties. In conclusion, biotin targeted PLGA NPs containing SN-38 showed preferential anticancer properties against tumor cells with biotin receptor over expression.

  18. Arte mueble paleolítico en el interior peninsular: la cueva de Maltravieso (Cáceres, España

    Directory of Open Access Journals (Sweden)

    García-Díez, Marcos


    Full Text Available We present a bone decorated with engraved straight and parallel lines, recovered in the level I in the Sala de Las Chimeneas at Maltravieso cave, dated at 17840 ± 90 BP and 17930 ± 100 BP. The motif has similarities with other Peninsula and Pyrenaean evidence Iberian, which has an extensive chronology throughout the Upper Paleolithic. The iconographic and compositional similarities and the spatial relationship with the cave’s rock art allow us to relate chronologically both graphics, and interpret them as an integrated part of the same symbolic structure. This evidence fills a geographic gap of portable art in the interior of the Iberian Peninsula.

    Se presenta una pieza ósea grabada con líneas rectilíneas y paralelas recuperada en el nivel A de la Sala de las Chimeneas de la cueva de Maltravieso, datado en 17840 ± 90 BP y 17930 ± 100 BP. El tema muestra paralelos temáticos con piezas peninsulares y pirenaicas, que abarcan una dilatada cronología a lo largo del Paleolítico superior. La similitud iconográfica y compositiva, y la vinculación espacial del soporte decorado con una parte del arte rupestre de la cavidad, permiten relacionar cronológicamente ambos grafismos y considerarlos como parte integrada de una misma estructura simbólica. Esta evidencia completa un vacío geográfico de arte mueble en el interior peninsular.

  19. Decoration of carbon nanotubes with metal nanoparticles by wet chemical method: a small-angle neutron scattering study. (United States)

    Bahadur, J; Sen, D; Mazumder, S; Parkash, Jyoti; Sathiyamoorthy, D; Venugopalan, R


    Multi-wall carbon nanotubes have been synthesized by catalytic chemical vapour deposition method. Attempts have been made to decorate the walls of these nanotubes with various metal nanoparticles (Ni, Cu and Fe) after functionalizing the nanotubes walls by wet chemical method. Small-Angle Neutron Scattering data reveals chain cluster type morphology of the carbon nanotubes. Transmission electron microscopy, Energy dispersive analysis of X-rays and Small-Angle Neutron Scattering measurements show that decoration of nanotube walls by metallic nano-particles could be realized for Ni and Cu nano-particles. Further, wall decoration by nano-particles of Fe could not be achieved by wet chemical method due to strong agglomeration behavior of Fe nano-particles.

  20. Evaluation of changes of decorative parameters of natural facing stone by processing of chemical and mechanical methods

    Directory of Open Access Journals (Sweden)

    Shamrai V.I.


    Full Text Available An important task of stone enterprise is management of decorative production made of natural stone. Among a number of different ways, the most common is the polishing of the stone which changing the parameters of decorative natural stone,. Therefore, the article studies methods of processing natural facing stone that affect the gloss and lightness as decorative figures. The regularities of gloss and lightness changes depending on the time polishing chrome and aluminium oxides were established. It was established that the different types of natural stone with the same textured processing have different values of gloss and lightness. The influence of chemical impregnating means to gloss and lightness of natural facing stone surface was studied and the parameters of gloss and lightness of Pokostivskiy granodiorite, according to its classification of color tone.

  1. Carbon Nanoparticles decorated with cupric oxide Nanoparticles prepared by laser ablation in liquid as an antibacterial therapeutic agent (United States)

    Khashan, Khawla S.; Jabir, Majid S.; Abdulameer, Farah A.


    Carbon nanoparticles (CNPs) decorated with cupric oxide nanoparticles (CuO NPs) were prepared by laser ablation in water, and their antibacterial activity was examined. X-ray diffraction measurements demonstrated the presence of carbon phases and different CuO phases, and results were confirmed by Fourier transform infrared analysis. Energy- Dispersive spectra showed the presence of C, O, and Cu in the final product. Transmission electron micrographs revealed that the CNPs were 10-80 nm in size and spherical; after being decorated with CuO NPs, particles became 5-50 nm in size and uniform in shape. The absorption spectrum of decorated Nanoparticles indicated the appearance of a new peak at 254-264 nm in addition to the fundamental peak at 228 nm. We then examined the antibacterial activity of the decorated CNPs for both gram-negative and -positive bacteria using the agar-well-diffusion method. The mode of action was determined using acridine orange-ethidium bromide staining to detect reactive oxygen species, and bacterial morphological change was studied by scanning electron microscopy. Results showed that CNPs decorated with 43% CuO NPs had the highest antibacterial activity for gram-positive bacteria. The CNPs acted on the cytoplasmic membrane and nucleic acid of bacteria, which led to a loss of cell-wall integrity, increased cell-wall permeability, and nucleic acid damage. The results offer a novel way to synthesis Carbon nanoparticles decorated with cupric oxide nanoparticles and could use them as novel antibacterial agent in future for pharmaceutical and biomedical applications.

  2. Efficient decoration of nanoparticles intended for intracellular drug targeting with targeting residues, as revealed by a new indirect analytical approach. (United States)

    Kaplun, Veronika; Stepensky, David


    In our previous studies, we developed a nanodrug delivery system (nano-DDS) based on poly(lactic-co-glycolic acid) PLGA nanoparticles encapsulating antigenic peptide and fluorescent marker and 3-stage approach for its decoration with peptide targeting residues. The objectives of this study were (a) to develop methods for quantitative analysis of efficiency of individual conjugation steps and (b) to determine, based on these methods, the efficiency of our 3-stage approach of nano-DDS decoration. We prepared antigenic peptide-loaded PLGA-based nano-DDSs and sequentially decorated them with specific residues using carbodiimide and Click (azide-alkyne Huisgen cycloaddition using copper(I) catalysis) reactions. The extent of cargo encapsulation and release kinetics were analyzed using HPLC-based and colorimetric analytical methods. The efficiency of residue conjugation to the nano-DDSs was analyzed using FTIR spectroscopy and by quantifying the unreacted residues in the reaction mixture (i.e., by indirect analysis of reaction efficiencies). We revealed that copper, the catalyst of the Click reactions, formed complexes with unreacted targeting residues and interfered with the analysis of their conjugation efficiency. We used penicillamine (a chelator) to disrupt these complexes, and to recover the unreacted residues. Quantitative analysis revealed that 28,800-34,000 targeting residues (corresponding to 11-13 nm(2) surface area per residue) had been conjugated to a single nano-DDS using our 3-stage decoration approach, which is much higher than previously reported conjugation efficiencies. We conclude that the applied analytical tools allow quantitative analysis of nano-DDSs and the efficiency of their conjugation with targeting residues. The 3-stage decoration approach resulted in dense conjugation of nano-DDSs with targeting residues. The present decoration and analytical approaches can be effectively applied to other types of delivery systems and other targeting

  3. Enhancement removal of tartrazine dye using HCl-doped polyaniline and TiO2-decorated PANI particles (United States)

    Elsayed, M. A.; Gobara, Mohamed


    HCl-doped polyaniline (HCl-PANI) and titanium dioxide decorated with polyaniline (TiO2-decorated PANI) with different TiO2:PANI ratios were chemically prepared and utilized for the removal of tartrazine (TZ) dye from a synthetic aqueous solution. The mechanism of preparation of the sample suggested that aniline was adsorbed on the TiO2 surface before the polymerization process took place. Samples were characterized using Fourier transform infrared spectroscopy, scanning electron microscopy, energy dispersive x-ray spectroscopy and x-ray diffraction. The results showed that HCl-PANI and TiO2-decorated PANI have an amorphous structure. The thermal stability of the prepared samples was characterized using thermo-gravimetric (TG) analysis. HCl-PANI is stable up to 200 °C and the relative weight per cent of PANI in the TiO2-decorated PANI was 20, 25, 40 and 45%. The removal activity of TiO2-decorated PANI via TZ azo dye was investigated under UV light irradiations and compared with HCl-PANI and TiO2 particles. The results indicated the superiority of the TiO2-decorated PANI over pure HCl-PANI and TiO2. However, the excessive PANI percentage tends to form a relatively thick layer, and even aggregates on the surface of TiO2. This hinders the migration of excited electrons from the outer PANI layer to the inner TiO2 particles, which consequently leads to a decrease in the removal efficiency. A possible mechanism for the removal oxidative degradation is also mentioned.

  4. Entropy corresponding to the interior of a Schwarzschild black hole

    Directory of Open Access Journals (Sweden)

    Bibhas Ranjan Majhi


    Full Text Available Interior volume within the horizon of a black hole is a non-trivial concept which turns out to be very important to explain several issues in the context of quantum nature of black hole. Here we show that the entropy, contained by the maximum interior volume for massless modes, is proportional to the Bekenstein–Hawking expression. The proportionality constant is less than unity implying the horizon bears maximum entropy than that by the interior. The derivation is very systematic and free of any ambiguity. To do so the precise value of the energy of the modes, living in the interior, is derived by constraint analysis. Finally, the implications of the result are discussed.

  5. Entropy corresponding to the interior of a Schwarzschild black hole (United States)

    Majhi, Bibhas Ranjan; Samanta, Saurav


    Interior volume within the horizon of a black hole is a non-trivial concept which turns out to be very important to explain several issues in the context of quantum nature of black hole. Here we show that the entropy, contained by the maximum interior volume for massless modes, is proportional to the Bekenstein-Hawking expression. The proportionality constant is less than unity implying the horizon bears maximum entropy than that by the interior. The derivation is very systematic and free of any ambiguity. To do so the precise value of the energy of the modes, living in the interior, is derived by constraint analysis. Finally, the implications of the result are discussed.

  6. 3D radar wavefield tomography of comet interiors (United States)

    Sava, Paul; Asphaug, Erik


    Answering fundamental questions about the origin and evolution of small planetary bodies hinges on our ability to image their surface and interior structure in detail and at high resolution. The interior structure is not easily accessible without systematic imaging using, e.g., radar transmission and reflection data from multiple viewpoints, as in medical tomography. Radar tomography can be performed using methodology adapted from terrestrial exploration seismology. Our feasibility study primarily focuses on full wavefield methods that facilitate high quality imaging of small body interiors. We consider the case of a monostatic system (co-located transmitters and receivers) operated in various frequency bands between 5 and 15 MHz, from a spacecraft in slow polar orbit around a spinning comet nucleus. Using realistic numerical experiments, we demonstrate that wavefield techniques can generate high resolution tomograms of comets nuclei with arbitrary shape and complex interior properties.

  7. Vehicle Interior Noise Prediction Using Energy Finite Element Analysis Project (United States)

    National Aeronautics and Space Administration — Prediction and enhancement of vehicle interior noise due to high frequency excitation, based on computer simulation, allows the application of the technology at the...

  8. Advanced Acoustic Blankets for Improved Aircraft Interior Noise Reduction Project (United States)

    National Aeronautics and Space Administration — In this project advanced acoustic blankets for improved low frequency interior noise control in aircraft will be developed and demonstrated. The improved performance...

  9. 36 CFR 1192.29 - Interior circulation, handrails and stanchions. (United States)


    ... disabilities. (e) For vehicles in excess of 22 feet in length with front-door lifts or ramps, vertical... vestibule beyond the wheel housing. (f) For vehicles in excess of 22 feet in length, the minimum interior...

  10. Design team simplifies interior to aid patient recuperation. (United States)

    Fishback, B W; Krewson, C


    Vanderbilt University Medical Center's architect and interior designer coordinated efforts to minimize medical components by painting them a neutral color and sought a unified approach throughout the building to make it more personal without a substantial cost increase.

  11. Dynamical measurements of the interior structure of exoplanets

    International Nuclear Information System (INIS)

    Becker, Juliette C.; Batygin, Konstantin


    Giant gaseous planets often reside on orbits in sufficient proximity to their host stars for the planetary quadrupole gravitational field to become non-negligible. In presence of an additional planetary companion, a precise characterization of the system's orbital state can yield meaningful constraints on the transiting planet's interior structure. However, such methods can require a very specific type of system. This paper explores the dynamic range of applicability of these methods and shows that interior structure calculations are possible for a wide array of orbital architectures. The HAT-P-13 system is used as a case study, and the implications of perturbations arising from a third distant companion on the feasibility of an interior calculation are discussed. We find that the method discussed here is likely to be useful in studying other planetary systems, allowing the possibility of an expanded survey of the interiors of exoplanets.

  12. Early User Appraisal of the MDARS Interior Robot

    National Research Council Canada - National Science Library

    Laird, R


    The Mobile Detection Assessment Response System (MDARS) is a joint Army-Navy effort to field interior and exterior autonomous platforms for security and inventory assessment functions at DoD warehouses and storage sites...

  13. Support-free interior carving for 3D printing

    Directory of Open Access Journals (Sweden)

    Yue Xie


    Full Text Available Recent interior carving methods for functional design necessitate a cumbersome cut-and-glue process in fabrication. We propose a method to generate interior voids which not only satisfy the functional purposes but are also support-free during the 3D printing process. We introduce a support-free unit structure for voxelization and derive the wall thicknesses parametrization for continuous optimization. We also design a discrete dithering algorithm to ensure the printability of ghost voxels. The interior voids are iteratively carved by alternating the optimization and dithering. We apply our method to optimize the static and rotational stability, and print various results to evaluate the efficacy. Keywords: Interior carving, Support-free, Voxels dithering, Shape optimization, 3D printing

  14. Hybrid Prediction Method for Aircraft Interior Noise, Phase I (United States)

    National Aeronautics and Space Administration — This proposal discusses the development and application of new methods of structural-acoustic analysis in order to address existing problems in aircraft interior...

  15. Interior, Environment, and Related Agencies: FY2007 Appropriations

    National Research Council Canada - National Science Library

    Vincent, Carol H; Bearden, David M; Corn, M. L; Gorte, Ross W; Humphries, Marc; Sheikh, Pervaze A; Whiteman, David L; Boren, Susan; Walke, Roger; Bea, Keith


    ... of Health and Human Services. It also includes funding for arts and cultural agencies; the Environmental Protection Agency, which was recently transferred to the appropriations subcommittees that deal with Interior and Related Agencies...

  16. Connecting horizon pixels and interior voxels of a black hole

    Directory of Open Access Journals (Sweden)

    Piero Nicolini


    Full Text Available In this paper we discuss to what extent one can infer details of the interior structure of a black hole based on its horizon. Recalling that black hole thermal properties are connected to the non-classical nature of gravity, we circumvent the restrictions of the no-hair theorem by postulating that the black hole interior is singularity free due to violations of the usual energy conditions. Further these conditions allow one to establish a one-to-one, holographic projection between Planckian areal “bits” on the horizon and “voxels”, representing the gravitational degrees of freedom in the black hole interior. We illustrate the repercussions of this idea by discussing an example of the black hole interior consisting of a de Sitter core postulated to arise from the local graviton quantum vacuum energy. It is shown that the black hole entropy can emerge as the statistical entropy of a gas of voxels.

  17. Contribution to the use of marble in Central-Lusitania in Roman times: The stone architectural decoration of Ammaia (São Salvador da Aramenha, Portugal

    Directory of Open Access Journals (Sweden)

    Taelman, Devi


    Full Text Available This paper reports the results of a quantitative and qualitative study of the imported architectural decorative stone of the Roman town of Ammaia (São Salvador da Aramenha, Portugal, located centrally in the province of Lusitania. All studied ornamental stones were counted, weighed, classified and their provenance was determined. Six types of stone were used for the architectural decoration at Ammaia: white marble, pink–purple limestone, grey– white marble, two marble breccias and granite. Granite was the most widely used building stone and was used for the production of columns and capitals. Previous studies have established a local source for the Ammaia granite (Taelman et alii in press. The provenance of the remaining ornamental stones is primarily regional (the southern part of the Iberian Peninsula. Only the two marble breccia varieties were imported from the Mediterranean: africano from Teos (Turkey and breccia di Sciro from the island of Skyros also (Greece. The predominant use of regionally available stones is observed in other Roman towns located in the interior of the Iberian Peninsula, such as Emerita Augusta, Asturica Augusta and Munigua, and results mainly from the geographic location of the sites, remote from any seaport and/or navigable river.El presente trabajo presenta los resultados de una valorización cuantitativa y cualitativa de la utilización de las piedras decorativas arquitectónicas importadas de la ciudad romana lusitana de Ammaia (São Salvador da Aramenha, Portugal. Todas las piedras decorativas estudiadas fueron contadas, pesadas, clasificadas y su procedencia fue determinada. En la época romana se utilizaron seis tipos de piedra para la decoración arquitectónica de la ciudad de Ammaia: mármol blanco, caliza morada–rosa, mármol blanco y gris, dos brechas compuestas de fragmentos de mármol blanco y granito. El granito fue la piedra de construcción principal en Ammaia. Además, el granito se utiliz

  18. Atmosphere-interior exchange on hot rocky exoplanets


    Kite, Edwin S.; Fegley Jr., Bruce; Schaefer, Laura; Gaidos, Eric


    We provide estimates of atmospheric pressure and surface composition on short-period rocky exoplanets with dayside magma pools and silicate vapor atmospheres. Atmospheric pressure tends toward vapor-pressure equilibrium with surface magma, and magma-surface composition is set by the competing effects of fractional vaporization and surface-interior exchange. We use basic models to show how surface-interior exchange is controlled by the planet's temperature, mass, and initial composition. We as...

  19. Interior Gradient Estimates for Nonuniformly Parabolic Equations II

    Directory of Open Access Journals (Sweden)

    Lieberman Gary M


    Full Text Available We prove interior gradient estimates for a large class of parabolic equations in divergence form. Using some simple ideas, we prove these estimates for several types of equations that are not amenable to previous methods. In particular, we have no restrictions on the maximum eigenvalue of the coefficient matrix and we obtain interior gradient estimates for so-called false mean curvature equation.

  20. The Memory Palace:Telling the Story of the Interior


    Hollis, Edward


    This book chapter originated as an invited keynote paper at the Interior Educators 'Interior Futures 'conference at Northumbria University in 2011. The paper was blind peer revwied for publication. The content of the paper represents a process of reflection on my practice as a writer and the designer of narrative structures and building stories, and in it, for the first time, I was able to articulate the relationship between the narrative structures of my first book 'The Secret Lives of Buil...

  1. Effect of area on color harmony in interior spaces


    Odabaşıoğlu, Seden


    Cataloged from PDF version of article. Thesis (Ph.D.): Bilkent University, Department of Interior Architecture and Environmental Design, İhsan Doğramacı Bilkent University, 2015. Includes bibliographical references (leaves 142-152). The main aim of this study is to examine the effect of area on color harmony in interior spaces. Area in color harmony is the relative amount of different color areas represented as a proportion on which color harmony depends. Colors in the color ...

  2. Interior design as a motivation for creating creative spaces


    Weiner, Nina


    The thesis underlines the importance of a thoughtful, systematic and modern way of designing classrooms due to its effects on productivity and creativity of pupils. The theoretical part focuses on the relationship between creativity and art classroom; a particular attention is given to the elements of interior design of art classrooms, enabling such organisation of space that fosters creativity in pupils. The emphasis is given on colour and lights as essential elements of interior design. In ...

  3. Perancangan Interior Pusat Pendidikan Fashion Di Kota Samarinda


    William, Livia Gabrielle


    Interior Education Center Fashion in Samarinda City aims to find education center of fashion that can complete student's facilities, finding educational center of fashion that produces interior design educational, informative, and presentative, find educational center of fashion which can show elements of Indonesian culture, discover fashion education center that can attract people in Samarinda. The expected benefits of this research is for the public forum for people who have become fashion ...

  4. Magnetization process in the exactly solved spin-1/2 Ising-Heisenberg model on decorated Bethe lattices

    Directory of Open Access Journals (Sweden)

    J. Strečka


    Full Text Available The spin-1/2 Ising-Heisenberg model on diamond-like decorated Bethe lattices is exactly solved in the presence of the longitudinal magnetic field by combining the decoration-iteration mapping transformation with the method of exact recursion relations. In particular, the ground state and low-temperature magnetization process of the ferrimagnetic version of the considered model is investigated in detail. Three different magnetization scenarios with up to two consecutive fractional magnetization plateaus were found, whereas the intermediate magnetization plateau may either correspond to the classical ferrimagnetic spin arrangement and/or the field-induced quantum ferrimagnetic spin ordering without any classical counterpart.

  5. Interior microelectrolysis oxidation of polyester wastewater and its treatment technology. (United States)

    Yang, Xiaoyi


    This paper has investigated the effects of interior microelectrolysis pretreatment on polyester wastewater treatment and analyzed its mechanism on COD and surfactant removal. The efficiency of interior microelectrolysis is mainly influenced by solution pH, aeration and reaction time. Contaminants can be removed not only by redox reaction and flocculation in the result of ferrous and ferric hydroxides but also by electrophoresis under electric fields created by electron flow. pH confirms the chemical states of surfactants, Fe(II)/Fe(III) ratio and the redox potential, and thus influences the effects of electrophoresis, flocculation and redox action on contaminant removal. Anaerobic and aerobic batch tests were performed to study the degradation of polyester wastewater. The results imply that interior microelectrolysis and anaerobic pretreatment are lacking of effectiveness if applied individually in treating polyester wastewater in spite of their individual advantages. The interior microelectrolysis-anaerobic-aerobic process was investigated to treat polyester wastewater with comparison with interior microelectrolysis-aerobic process and anaerobic-aerobic process. High COD removal efficiencies have been gotten by the combination of interior microelectrolysis with anaerobic technology and aerobic technology. The results also imply that only biological treatment was less effective in polyester wastewater treatment.

  6. Interior microelectrolysis oxidation of polyester wastewater and its treatment technology

    Energy Technology Data Exchange (ETDEWEB)

    Yang Xiaoyi, E-mail: [Department of Thermal Energy Engineering, BeiHang University, Beijing 100191 (China)


    This paper has investigated the effects of interior microelectrolysis pretreatment on polyester wastewater treatment and analyzed its mechanism on COD and surfactant removal. The efficiency of interior microelectrolysis is mainly influenced by solution pH, aeration and reaction time. Contaminants can be removed not only by redox reaction and flocculation in the result of ferrous and ferric hydroxides but also by electrophoresis under electric fields created by electron flow. pH confirms the chemical states of surfactants, Fe(II)/Fe(III) ratio and the redox potential, and thus influences the effects of electrophoresis, flocculation and redox action on contaminant removal. Anaerobic and aerobic batch tests were performed to study the degradation of polyester wastewater. The results imply that interior microelectrolysis and anaerobic pretreatment are lacking of effectiveness if applied individually in treating polyester wastewater in spite of their individual advantages. The interior microelectrolysis-anaerobic-aerobic process was investigated to treat polyester wastewater with comparison with interior microelectrolysis-aerobic process and anaerobic-aerobic process. High COD removal efficiencies have been gotten by the combination of interior microelectrolysis with anaerobic technology and aerobic technology. The results also imply that only biological treatment was less effective in polyester wastewater treatment.

  7. Interior microelectrolysis oxidation of polyester wastewater and its treatment technology

    International Nuclear Information System (INIS)

    Yang Xiaoyi


    This paper has investigated the effects of interior microelectrolysis pretreatment on polyester wastewater treatment and analyzed its mechanism on COD and surfactant removal. The efficiency of interior microelectrolysis is mainly influenced by solution pH, aeration and reaction time. Contaminants can be removed not only by redox reaction and flocculation in the result of ferrous and ferric hydroxides but also by electrophoresis under electric fields created by electron flow. pH confirms the chemical states of surfactants, Fe(II)/Fe(III) ratio and the redox potential, and thus influences the effects of electrophoresis, flocculation and redox action on contaminant removal. Anaerobic and aerobic batch tests were performed to study the degradation of polyester wastewater. The results imply that interior microelectrolysis and anaerobic pretreatment are lacking of effectiveness if applied individually in treating polyester wastewater in spite of their individual advantages. The interior microelectrolysis-anaerobic-aerobic process was investigated to treat polyester wastewater with comparison with interior microelectrolysis-aerobic process and anaerobic-aerobic process. High COD removal efficiencies have been gotten by the combination of interior microelectrolysis with anaerobic technology and aerobic technology. The results also imply that only biological treatment was less effective in polyester wastewater treatment.

  8. Models of Jupiter's Interior that match Juno's Gravity Measurements (United States)

    Militzer, B.; Wahl, S. M.; Hubbard, W. B.; Guillot, T.; Miguel, Y.; Kaspi, Y.; Galanti, E.; Iess, L.; Folkner, W. M.; Helled, R.; Durante, D.; Parisi, M.; Lunine, J. I.; Bloxham, J.; Levin, S.; Connerney, J. E. P.; Stevenson, D. J.; Bolton, S. J.


    Since the Juno spacecraft entered into orbit around Jupiter in July of 2016, it has performed a number of remarkable measurements. With every close flyby, we obtain a new set of precise gravity data that allow us to constrain the planet's gravitational field with unprecedented precision. Already with the first two flybys, the field was constrained by one order of magnitude better than before and a discrepancy between contradictory sets of gravitational coefficients was settled immediately (Folkner et al. 2017, Bolton et al. 2017). However, the new measurements turned out to be a challenge to interpret. A number of new interior models have been constructed already. It appears that models with a dilute core are favored, suggesting that the heavy elements in the planet's center, that were essential for the planet's formation, are now spread out over a substantial fraction of the planets interior (Wahl et al. 2017). In this talk, we will also discuss the gravity signal of the atmospheric and deep interior flows. We will show that interior models can be used to derive constraints on how deep the observable zonal jets can penetrate into the planet's interior. We will relate our predictions to physical changes in the dense fluid that is composed of hydrogen, helium, and a small but important component of heavier elements. The central goal of our modeling effort is a new understanding of Jupiter's interior and origin that combines all the gravity, microwave, and magnetic field observations of the Juno spacecraft.

  9. Environmental Approach In Interior Design Education In Turkey

    Directory of Open Access Journals (Sweden)

    Derya Adıgüzel


    Full Text Available These days there has been a severe encroachment on nature, a large amount of waste being generated, and natural resources being used irresponsibly during the design, application and usage phases of buildings. Environmental sensitivity is necessary during the construction of new buildings and re-usage of current buildings to resolve environmental problems. In order to increase environmental sensitivity, a great responsibility falls onto interior design along with other disciplines during the creation of living spaces. The accumulation of knowledge from career training and the level of awareness will determine the practical development of environmentally sensitive interior design. Therefore the purpose of this article is to make a determination of the current state of environmental design in interior design education in Turkey. The degree to which environmental design is reflected in the curricula of interior design departments was studied. The relationship between the awareness level of the students and the educational programs will be presented through three samples. Surveys were conducted at three universities that have varying degrees of environmental design within the interior design curricula. As a result, the importance of having an environmentally conscious design understanding within the curricula of interior design and recommendations for improving the environmental design awareness of students will be presented in this article.

  10. Scout-view assisted interior micro-CT

    International Nuclear Information System (INIS)

    Sharma, Kriti Sen; Narayanan, Shree; Agah, Masoud; Holzner, Christian; Vasilescu, Dragoş M; Jin, Xin; Hoffman, Eric A; Yu, Hengyong; Wang, Ge


    Micro computed tomography (micro-CT) is a widely-used imaging technique. A challenge of micro-CT is to quantitatively reconstruct a sample larger than the field-of-view (FOV) of the detector. This scenario is characterized by truncated projections and associated image artifacts. However, for such truncated scans, a low resolution scout scan with an increased FOV is frequently acquired so as to position the sample properly. This study shows that the otherwise discarded scout scans can provide sufficient additional information to uniquely and stably reconstruct the interior region of interest. Two interior reconstruction methods are designed to utilize the multi-resolution data without significant computational overhead. While most previous studies used numerically truncated global projections as interior data, this study uses truly hybrid scans where global and interior scans were carried out at different resolutions. Additionally, owing to the lack of standard interior micro-CT phantoms, we designed and fabricated novel interior micro-CT phantoms for this study to provide means of validation for our algorithms. Finally, two characteristic samples from separate studies were scanned to show the effect of our reconstructions. The presented methods show significant improvements over existing reconstruction algorithms. (paper)

  11. Effects of coloured lighting on the perception of interior spaces. (United States)

    Odabaşioğlu, Seden; Olguntürk, Nіlgün


    Use of coloured lighting in interior spaces has become prevalent in recent years. Considerable importance is ascribed to coloured lighting in interior and lighting design. The effects of colour on the perception of interior spaces have been studied as surface colour; but here, the effects of three different types of chromatic light were investigated. The lighting differed in colour (red, green and white) and perceptions of interior space were assessed. 97 participants (59 women, 38 men; M age = 21.4 yr.) evaluated the experiment room on a questionnaire assessing eight evaluative factors: Pleasantness, Arousal, Aesthetics, Usefulness, Comfort, Spaciousness, Colour, and Lighting quality. Perceptions of the room differed by colour of lighting for some of the evaluative factors, but there was no sex difference in perceptions. Interior spaces may be perceived as equally pleasant under white, green and red lighting. Under white lighting a space is perceived as more useful, spacious, clear, and luminous. Green lighting would make the same effect. Green and white lighting were perceived equally comfortable in an interior space. Chromatic coloured lighting was perceived to be more aesthetic than white lighting. The results support previous findings for some evaluative factors, but differed for others.

  12. QTAIM investigations of decorated graphyne and boron nitride for Li detection

    Directory of Open Access Journals (Sweden)

    Dehestani Maryam


    Full Text Available The interactions between thirteen Li atoms and graphyne (GY and boron nitride (BN-yne were investigated by the density functional theory (DFT. The electronic and structural properties of the interactions between the hollow sites of GY and BN-yne with Li atoms were unveiled within the quantum theory of atoms in molecules (QTAIM framework. Theoretical understanding of the interactions between Li atoms and extended carbon-based network structures is crucial for the development of new materials. Herein, calculations to explore the impact of Li decoration on the GY and BN-yne are reported. It was predicted that Li decoration would increase the density of state of these sheets. Owing to strong interactions between Li and the GY and BNyne, dramatic changes in the electronic properties of the sheets together with large band gap variations have been observed. The present study sheds deep insight into the chemical properties of the novel carbon–based two-dimensional (2D structures beyond the graphene sheet.

  13. Lignin-based carbon fibers: Carbon nanotube decoration and superior thermal stability

    KAUST Repository

    Xu, Xuezhu


    Lignin-based carbon fibers (CFs) decorated with carbon nanotubes (CNTs) were synthesized and their structure, thermal stability and wettability were systematically studied. The carbon fiber precursors were produced by electrospinning lignin/polyacrylonitrile solutions. CFs were obtained by pyrolyzing the precursors and CNTs were subsequently grown on the CFs to eventually achieve a CF–CNT hybrid structure. The processes of pyrolysis and CNT growth were conducted in a tube furnace using different conditions and the properties of the resultant products were studied and compared. The CF–CNT hybrid structure produced at 850 °C using a palladium catalyst showed the highest thermal stability, i.e., 98.3% residual weight at 950 °C. A mechanism for such superior thermal stability was postulated based on the results from X-ray diffraction, Raman spectroscopy, scanning and transmission electron microscopy, and electron energy loss spectroscopy analyses. The dense CNT decoration was found to increase the hydrophobicity of the CFs.

  14. Temperature-dependent transport properties of graphene decorated by alkali metal adatoms (Li, K) (United States)

    Woo, S.; Hemmatiyan, S.; Morrison, T. D.; Rathnayaka, K. D. D.; Lyuksyutov, I. F.; Naugle, D. G.


    We report the electrical transport properties of graphene for dilute alkali metal decoration (n ˜ 2 × 1012 cm-2) at cryogenic temperatures. Upon deposition of K and Li atoms at T = 20 K, graphene devices are doped with electrons, and the charge carrier mobility is decreased. As temperature is increased, the number of electrons donated to the graphene and the number of charged scatterers are reduced, and the mobility of the metal decorated graphene is increased. This differs from the typical temperature-dependent transport in undecorated graphene, where the mobility decreases with increasing temperature. To investigate the kinetic behavior of adatoms on graphene, we estimate the hopping time of the Li and K adatoms on graphene based on the migration barrier in the low concentration regime of the metal adatoms by Density Functional Theory calculations. The calculations reveal that these adatoms are mobile even at cryogenic temperatures and become more mobile with increasing temperature, allowing for cluster formation of adatoms. This indicates that the dominant factor in the electron transport on warming is a cluster formation.

  15. Highly water-dispersible silver sulfadiazine decorated with polyvinyl pyrrolidone and its antibacterial activities

    Energy Technology Data Exchange (ETDEWEB)

    Li, Ping; Wu, Longlong [Key Laboratory for Special Functional Materials, Henan University, Kaifeng 475004 (China); Li, Binjie, E-mail: [Key Laboratory for Special Functional Materials, Henan University, Kaifeng 475004 (China); Medical School of Henan University, Kaifeng 475004 (China); Zhao, Yanbao [Key Laboratory for Special Functional Materials, Henan University, Kaifeng 475004 (China); Qu, Peng [Department of Chemistry, Shangqiu Normal University, Shangqiu 476000 (China)


    Highly water-dispersible silver sulfadiazine (SSD) was prepared by liquid phase method with polyvinyl pyrrolidone (PVP) as a surface modification agent. The structure and morphology of the PVP-modified silver sulfadiazine (P-SSD) were investigated by X-ray powder diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), thermogravimetric analysis (TGA) and Fourier-transform infrared (FT-IR) spectrometry. The produced particles are ginkgo leaf-like architecture with the sizes of micron-nanometer. Due to hydrophilic PVP decorated on the surface, the P-SSD has excellent dispersion in water over a period of 24 h, which is obviously stable by comparison to that of the commercial silver sulfadiazine (C-SSD). In addition, the P-SSD exhibits good antibacterial activities against Escherichia coli (E. coli), Pseudomonas aeruginosa (P. aeruginosa) and Staphylococcus aureus (S. aureus). - Highlights: • Polyvinyl pyrrolidone decorated silver sulfadiazine was synthesized via a one-pot protocol. • The produced particles present ginkgo leaf-like architectures with sizes of micro-nanometer. • The resulted silver sulfadiazine has highly dispersible in water over a period of 24 h. • The obtained sliver sulfadiazine exhibits excellent antibacterial activities against E. coli, P. aeruginosa and S. aureus.

  16. Hydrogen peroxide sensor: Uniformly decorated silver nanoparticles on polypyrrole for wide detection range

    International Nuclear Information System (INIS)

    Nia, Pooria Moozarm; Meng, Woi Pei; Alias, Y.


    Graphical abstract: - Highlights: • Electrochemical method was used for depositing silver nanoparticles and polypyrrole. • Silver nanoparticles (25 nm) were uniformly decorated on electrodeposited polypyrrole. • (Ag(NH 3 ) 2 OH) precursor showed better electrochemical performance than (AgNO 3 ). • The sensor showed superior performance toward H 2 O 2 . - Abstract: Electrochemically synthesized polypyrrole (PPy) decorated with silver nanoparticles (AgNPs) was prepared and used as a nonenzymatic sensor for hydrogen peroxide (H 2 O 2 ) detection. Polypyrrole was fabricated through electrodeposition, while silver nanoparticles were deposited on polypyrrole by the same technique. The field emission scanning electron microscopy (FESEM) images showed that the electrodeposited AgNPs were aligned along the PPy uniformly and the mean particle size of AgNPs is around 25 nm. The electrocatalytic activity of AgNPs-PPy-GCE toward H 2 O 2 was studied using chronoamperometry and cyclic voltammetry. The first linear section was in the range of 0.1–5 mM with a limit of detection of 0.115 μmol l −1 and the second linear section was raised to 120 mM with a correlation factor of 0.256 μmol l −1 (S/N of 3). Moreover, the sensor presented excellent stability, selectivity, repeatability and reproducibility. These excellent performances make AgNPs-PPy/GCE an ideal nonenzymatic H 2 O 2 sensor.

  17. A cluster of cases of nosocomial legionnaires disease linked to a contaminated hospital decorative water fountain. (United States)

    Palmore, Tara N; Stock, Frida; White, Margaret; Bordner, MaryAnn; Michelin, Angela; Bennett, John E; Murray, Patrick R; Henderson, David K


    Nosocomial outbreaks of Legionnaires disease have been linked to contaminated water in hospitals. Immunocompromised patients are particularly vulnerable and, when infected, have a high mortality rate. We report the investigation of a cluster of cases of nosocomial pneumonia attributable to Legionella pneumophila serogroup 1 that occurred among patients on our stem cell transplantation unit. We conducted a record review to identify common points of potential exposure, followed by environmental and water sampling for Legionella species from those sources. We used an air sampler to in an attempt to detect aerosolized Legionella and pulsed-field gel electrophoresis to compare clinical and environmental isolates. The most likely sources identified were the water supply in the patients' rooms and a decorative fountain in the radiation oncology suite. Samples from the patients' rooms did not grow Legionella species. Cultures of the fountain, which had been restarted 4 months earlier after being shut off for 5 months, yielded L. pneumophila serogroup 1. The isolates from both patients and the fountain were identical by pulsed-field gel electrophoresis. Both patients developed pneumonia within 10 days of completing radiation therapy, and each reported having observed the fountain at close range. Both patients' infections were identified early and treated promptly, and both recovered. This cluster was caused by contamination of a decorative fountain despite its being equipped with a filter and ozone generator. Fountains are a potential source of nosocomial Legionnaires disease despite standard maintenance and sanitizing measures. In our opinion, fountains present unacceptable risk in hospitals serving immunocompromised patients.

  18. Gas Sensors Based on Locally Heated Multiwall Carbon Nanotubes Decorated with Metal Nanoparticles

    Directory of Open Access Journals (Sweden)

    R. Savu


    Full Text Available We report the design and fabrication of microreactors and sensors based on metal nanoparticle-decorated carbon nanotubes. Titanium adhesion layers and gold films were sputtered onto Si/SiO2 substrates for obtaining the electrical contacts. The gold layers were electrochemically thickened until 1 μm and the electrodes were patterned using photolithography and wet chemical etching. Before the dielectrophoretic deposition of the nanotubes, a gap 1 μm wide and 5 μm deep was milled in the middle of the metallic line by focused ion beam, allowing the fabrication of sensors based on suspended nanotubes bridging the electrodes. Subsequently, the sputtering technique was used for decorating the nanotubes with metallic nanoparticles. In order to test the as-obtained sensors, microreactors (100 μL volume were machined from a single Kovar piece, being equipped with electrical connections and 1/4′′ Swagelok-compatible gas inlet and outlets for controlling the atmosphere in the testing chamber. The sensors, electrically connected to the contact pins by wire-bonding, were tested in the 10−5 to 10−2 W working power interval using oxygen as target gas. The small chamber volume allowed the measurement of fast characteristic times (response/recovery, with the sensors showing good sensitivity.

  19. Pt decorated MoS2 nanoflakes for ultrasensitive resistive humidity sensor (United States)

    Burman, Debasree; Santra, Sumita; Pramanik, Panchanan; Guha, Prasanta Kumar


    In this work, we report the fabrication of a low power, humidity sensor where platinum nanoparticles (NPs) decorated few-layered molybdenum disulphide (MoS2) nanoflakes have been used as the sensing layer. A mixed solvent was used to exfoliate the nanoflakes from the bulk powder. Then the Pt/MoS2 composites were prepared by reducing Pt NPs from chloroplatinic acid hexahydrate using a novel reduction technique using sulphide salt. The successful reduction and composite preparation were confirmed using various material characterization tools like scanning electron microscopy, atomic force microscopy, transmission electron microscopy, x-ray diffraction, x-ray photoelectron spectroscopy, Raman spectroscopy and UV-visible spectroscopy. The humidity sensors were prepared by drop-coating the Pt-decorated MoS2 on gold interdigitated electrodes and then exposed to various levels of relative humidity (RH). Composites with different weight ratios of Pt were tested and the best response was shown by the Pt/MoS2 (0.25:1) sample with a record high response of ˜4000 times at 85% RH. The response and recovery times were ˜92 s and ˜154 s respectively with repeatable behaviour. The sensor performance was found to be stable when tested over a few months. The underlying sensing mechanisms along with detailed characterization of the various composites have been discussed.

  20. Natural radioactivity in some rocks employed as dimension and decorative stones in the Nigerian building industry. (United States)

    Tubosun, I A; Tchokossa, P; Balogun, F A; Fasasi, M K; Ocan, O; Adesanmi, C A


    The natural radioactivity in some selected granites and allied rocks from the Basement Complex of Nigeria for use as dimension/decorative stones was measured by gamma-ray spectrometry. The average activity concentrations observed for the selected rock samples range from 9 to 124 Bq kg⁻¹; 13 to 60 Bq kg⁻¹ and 1360 to 2326 Bq kg⁻¹ for ²²⁶Ra, ²³²Th and ⁴⁰K, respectively. The mean radiological hazard indices were 121.62 nGy h⁻¹; 239.73 Bq kg⁻¹; 0.65 Bq kg⁻¹ and 0.77 Bq kg⁻¹ for the absorbed dose rate, radium equivalent, external hazard and internal hazard, respectively. The results obtained were examined on the basis of existing International recommended limits and compared with data on similar rocks from other parts of the world. The values obtained for the rocks, except one, were found to be lower than the values recommended for building materials, and the rocks are considered safe for use as decorative stones as defined by OECD criteria (NEA-OCED Nuclear Energy Agency Dose Constraints in Optimisation of Occupational Radiological Protection Report by NEA Group Experts, OCED, France (2011)). Results highlight the fact that, despite meeting certain suitability criteria such as colour, texture, etc., the radioactivity content of the rocks is another factor of importance for their continued application in the human environment/building industry.

  1. Surface decoration by Spirulina polysaccharide enhances the cellular uptake and anticancer efficacy of selenium nanoparticles. (United States)

    Yang, Fang; Tang, Quanming; Zhong, Xueyun; Bai, Yan; Chen, Tianfeng; Zhang, Yibo; Li, Yinghua; Zheng, Wenjie


    A simple and solution-phase method for functionalization of selenium nanoparticles (SeNPs) with Spirulina polysaccharides (SPS) has been developed in the present study. The cellular uptake and anticancer activity of SPS-SeNPs were also evaluated. Monodisperse and homogeneous spherical SPS-SeNPs with diameters ranging from 20 nm to 50 nm were achieved under optimized conditions, which were stable in the solution phase for at least 3 months. SPS surface decoration significantly enhanced the cellular uptake and cytotoxicity of SeNPs toward several human cancer cell lines. A375 human melanoma cells were found extremely susceptible to SPS-SeNPs with half maximal (50%) inhibitory concentration value of 7.94 μM. Investigation of the underlying mechanisms revealed that SPS-SeNPs inhibited cancer cell growth through induction of apoptosis, as evidenced by an increase in sub-G(1) cell population, deoxyribonucleic acid fragmentation, chromatin condensation, and phosphatidylserine translocation. Results suggest that the strategy to use SPS as a surface decorator could be an effective way to enhance the cellular uptake and anticancer efficacy of nanomaterials. SPS-SeNPs may be a potential candidate for further evaluation as a chemopreventive and chemotherapeutic agent against human cancers.

  2. Lead oxide-decorated graphene oxide/epoxy composite towards X-Ray radiation shielding (United States)

    Hashemi, Seyyed Alireza; Mousavi, Seyyed Mojtaba; Faghihi, Reza; Arjmand, Mohammad; Sina, Sedigheh; Amani, Ali Mohammad


    In this study, employing modified Hummers method coupled with a multi-stage manufacturing procedure, graphene oxide (GO) decorated with Pb3O4 (GO-Pb3O4) at different weight ratios was synthesized. Thereupon, via the vacuum shock technique, composites holding GO-Pb3O4 at different filler loadings (5 and 10 wt%) and thicknesses (4 and 6 mm) were fabricated. Successful decoration of GO with Pb3O4 was confirmed via FTIR analysis. Moreover, particle size distribution of the produced fillers was examined using particle size analyzer. X-ray attenuation examination revealed that reinforcement of epoxy-based composites with GO-Pb3O4 led to a significant improvement in the overall attenuation rate of X-ray beam. For instance, composites containing 10 wt% GO-Pb3O4 with 6 mm thickness showed 4.06, 4.83 and 3.91 mm equivalent aluminum thickness at 40, 60 and 80 kVp energies, denoting 124.3, 124.6 and 103.6% improvement in the X-ray attenuation rate compared to a sample holding neat epoxy resin, respectively. Simulation results revealed that the effect of GO-Pb3O4 loading on the X-ray shielding performance undermined with increase in the voltage of the applied X-ray beam.

  3. Diastase induced green synthesis of bilayered reduced graphene oxide and its decoration with gold nanoparticles. (United States)

    Maddinedi, Sireesh Babu; Mandal, Badal Kumar; Patil, Sagar Hindurao; Andhalkar, Vaibhav Vilas; Ranjan, Shivendu; Dasgupta, Nandita


    In this paper, we report an enzyme dependent, green one-pot deoxygenation cum decoration method to synthesize diastase-conjugated reduced graphene oxide (DRG) nanosheets, DRG/gold nanoparticles (DRG/Au) composite. The DRG synthesis was completed in 7h under heating at 90°C on water bath. Selected area electron diffraction (SAED) and Atomic force microscopy (AFM) study has revealed the formation of bilayered reduced graphene oxide sheets. Transmission electron microscopy (TEM) images of DRG/Au composite have shown the uniform decoration of gold nanoparticles (AuNPs) onto the DRG nanosheet surface. Fourier transform infrared spectroscopy (FTIR) and Raman results additionally have shown the functionalization of enzyme molecules onto the DRG nanosheet surface after reduction making it as an effective platform towards the efficient binding of gold nanoparticles. In vitro cytotoxicity studies by MTT assay on A549 and HCT116 cell lines exhibited that the cytotoxicity of the prepared graphene oxide (GO), DRG and DRG/Au is dose dependant. These results have shown that this synthetic method is effective for the production of large scale graphene in a low cost, simple and green method. Since this process avoids the use of hazardous and toxic substances, the produced DRG/Au composites are likely to offer various potential applications in biology and medicine. Copyright © 2016 Elsevier B.V. All rights reserved.

  4. Adsorption of hydrogen in Scandium/Titanium decorated nitrogen doped carbon nanotube

    Energy Technology Data Exchange (ETDEWEB)

    Mananghaya, Michael, E-mail: [De La Salle University, 2401 Taft Ave, 0922, Manila (Philippines); DLSU STC Laguna Boulevard, LTI Spine Road Barangays Biñan and Malamig, Biñan City, Laguna (Philippines); DOST-ASTHRDP, PCIEERD, Gen. Santos Ave., Bicutan, Taguig City 1631 (Philippines); Belo, Lawrence Phoa; Beltran, Arnel [De La Salle University, 2401 Taft Ave, 0922, Manila (Philippines); DLSU STC Laguna Boulevard, LTI Spine Road Barangays Biñan and Malamig, Biñan City, Laguna (Philippines)


    Nitrogen doped Carbon Nanotube with divacancy (4ND-CN{sub x}NT) that is decorated with Scandium and Titanium as potential hydrogen storage medium using the pseudo potential density functional method was investigated. Highly localized states near the Fermi level, which are derived from the nitrogen defects, contribute to strong Sc and Ti bindings, which prevent metal aggregation and improve the material stability. A detailed Comparison of the Hydrogen adsorption capability with promising system-weight efficiency of Sc over Ti was elucidated when functionalized with 4ND-CN{sub x}NT. Finally, the (Sc/4ND){sub 10}-CN{sub x}CNT composite material has a thermodynamically favorable adsorption and consecutive adsorption energy for ideal reversible adsorption and desorption of hydrogen at room temperature such that it can hold at least 5.8 wt% hydrogen molecules at the LDA and GGA level. - Highlights: • Carbon Nanotube with divacancy (4ND-CN{sub x}NT) decorated with Sc and Ti. • Nitrogen defects, contribute to strong Sc and Ti bindings. • H{sub 2} and (Sc/4ND){sub 10}-CN{sub x}CNT has a favorable adsorption. • 5.8 wt% adsorption at the LDA and GGA level.

  5. Enhanced catalyst activity by decorating of Au on Ag@Cu2O nanoshell (United States)

    Chen, Lei; Liu, Maomao; Zhao, Yue; Kou, Qiangwei; Wang, Yaxin; Liu, Yang; Zhang, Yongjun; Yang, Jinghai; Jung, Young Mee


    We successfully synthesized Au-decorated Ag@Cu2O heterostructures via a simple galvanic replacement method. As the Au precursor concentration increased, the density of the Au nanoparticles (NPs) on the Ag@Cu2O surface increased, which changed the catalytic activity of the Ag@Cu2O-Au structure. The combination of Au, Ag, and Cu2O exhibited excellent catalytic properties, which can further effect on the catalyst activity of the Ag@Cu2O-Au structure. In addition, the proposed Ag@Cu2O-Au nanocomposite was used to transform the organic, toxic pollutant, 4-nitrophenol (4-NP), into its nontoxic and medicinally important amino derivative via a catalytic reduction to optimize the material performance. The proposed Au-decorated Ag@Cu2O exhibited excellent catalytic activity, and the catalytic reduction time greatly decreased (5 min). Thus, three novel properties of Ag@Cu2O-Au, i.e., charge redistribution and transfer, adsorption, and catalytic reduction of organic pollutants, were ascertained for water remediation. The proposed catalytic properties have potential applications for photocatalysis and localized surface plasmon resonance (LSPR)- and peroxidase-like catalysis.

  6. Characterization of yellow and colorless decorative glasses from the Temple of the Emerald Buddha, Bangkok, Thailand (United States)

    Klysubun, Wantana; Ravel, Bruce; Klysubun, Prapong; Sombunchoo, Panidtha; Deenan, Weeraya


    Yellow and colorless ancient glasses, which were once used to decorate the Temple of the Emerald Buddha, Bangkok, Thailand, around 150 years ago, are studied to unravel the long-lost glass-making recipes and manufacturing techniques. Analyses of chemical compositions, using synchrotron x-ray fluorescence (SRXRF), indicate that the Thai ancient glasses are soda lime silica glasses (60 % SiO2; 10 % Na2O; 10 % CaO) bearing lead oxide between 2-16 %. Iron (1.5-9.4 % Fe2O3) and manganese (1.7 % MnO) are present in larger abundance than the other 3 d transition metals detected (0.04-0.2 %). K-edge x-ray absorption near edge spectroscopy (XANES) and extended x-ray absorption fine structure spectroscopy (EXAFS) provide conclusive evidence on the oxidation states of Fe being 3+ and Mn being 2+ and on short-length tetrahedral structures around the cations. This suggests that iron is used as a yellow colorant with manganese as a decolorant. L 3-edge XANES results reveal the oxidation states of lead as 2+. The results from this work provide information crucial for replicating these decorative glasses for the future restoration of the Temple of the Emerald Buddha.

  7. Graphene decorated with mu-opioid receptor: the ionic screening effect and detection of enkephalin (United States)

    Ping, Jinglei; Johnson, A. T. Charlie; Liu, Renyu; A. T. Charlie Johnson Team; Renyu Liu Collaboration


    We investigated the properties of graphene field effect transistors (GFETs) decorated with a computaionally redesigned, water-soluble variant of the human mu-opioid receptor (wsMOR) in physiological buffer solution. The shift of the Fermi level in the GFETs is quantitatively described by chemical-gating effect of charges on the wsMOR that are screened by the ionic solution. Our results suggest that sensitivity to the molecular target is lost when the Debye screening length of the solution is shorter than the distance from the graphene to the wsMOR; thus de-salting may be necessary when wsMOR decorated GFETs are used as biosensors in solution. We used this insight to detect DAMGO, a synthetic analog to the endogenous opioid peptide encephalin, at a concentration of 10 pM (5.1 pg/mL) in artificial cerebrospinal fluid (aCSF) diluted to 5% of its normal salt concentration. When the sensors were measured in a dry state, the limit of detection for DAGMO was 1 pM (0.5 pg/mL), one-third of the baseline in human body.Funding for this work was provided by DARPA.

  8. One-step synthesis and functionalization of hydroxyl-decorated magnetite nanoparticles. (United States)

    Mondini, Sara; Cenedese, Simone; Marinoni, Giorgio; Molteni, Giorgio; Santo, Nadia; Bianchi, Claudia L; Ponti, Alessandro


    Magnetite nanoparticles covered by a layer of omega-hydroxycarboxylic acid were synthesized in one step by high-temperature decomposition of iron(III) omega-hydroxycarboxylates in tri- and tetra-ethylene glycol. The nanoparticles were characterized by TEM, XRD, IR, XPS and NMR techniques in order to show that they comprise a crystalline magnetite core and actually bear on the outer surface terminal hydroxy groups. The latter ones are convenient "handles" for further functionalization as opposed to the chemically-inert aliphatic chains which cover conventionally synthesized nanoparticles. This was shown by several examples in which the hydroxy groups on the nanoparticle surface were easily transformed in other functional groups or reacted with other molecules. For instance, the hydroxyl-decorated nanoparticles were made water soluble by esterification with a PEGylated acetic acid. The reactive behavior of the surfactant monolayer was monitored by degrading the nanoparticles with aqueous acid and isolating the surfactant for NMR characterization. In general, the reactivity of the terminal hydroxyl groups on the nanoparticle surface parallels that observed in the free surfactants. The reported hydroxyl-decorated magnetite nanoparticles can be thus considered as pro-functional nanoparticles, i.e., a convenient starting material to functionalized magnetic nanoparticles.

  9. Highly Active and Durable Nanocrystal-Decorated Bifunctional Electrocatalyst for Rechargeable Zinc-Air Batteries. (United States)

    Lee, Dong Un; Park, Moon Gyu; Park, Hey Woong; Seo, Min Ho; Wang, Xiaolei; Chen, Zhongwei


    A highly active and durable bifunctional electrocatalyst that consists of cobalt oxide nanocrystals (Co3 O4 NC) decorated on the surface of N-doped carbon nanotubes (N-CNT) is introduced as effective electrode material for electrically rechargeable zinc-air batteries. This active hybrid catalyst is synthesized by a facile surfactant-assisted method to produce Co3 O4 NC that are then decorated on the surface of N-CNT through hydrophobic attraction. Confirmed by half-cell testing, Co3 O4 NC/N-CNT demonstrates superior oxygen reduction and oxygen evolution catalytic activities and has a superior electrochemical stability compared to Pt/C and Ir/C. Furthermore, rechargeable zinc-air battery testing of Co3 O4 NC/N-CNT reveals superior galvanodynamic charge and discharge voltages with a significantly extended cycle life of over 100 h, which suggests its potential as a replacement for precious-metal-based catalysts for electric vehicles and grid energy storage applications. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

  10. Theoretical calculation of the gas-sensing properties of Pt-decorated carbon nanotubes. (United States)

    Zhang, Xiaoxing; Dai, Ziqiang; Wei, Li; Liang, Naifeng; Wu, Xiaoqing


    The gas-sensing properties of Pt-decorated carbon nanotubes (CNTs), which provide a foundation for the fabrication of sensors, have been evaluated. In this study, we calculated the gas adsorption of Pt-decorated (8,0) single-wall CNTs (Pt-SWCNTs) with SO2, H2S, and CO using GGA/PW91 method based on density functional theory. The adsorption energies and the changes in geometric and electronic structures after absorption were comprehensively analyzed to estimate the responses of Pt-SWCNTs. Results indicated that Pt-SWCNTs can respond to the three gases. The electrical characteristics of Pt-SWCNTs show different changes after adsorption. Pt-SWCNTs donate electrons and increase the number of hole carriers after adsorbing SO2, thereby enhancing its conductivity. When H2S is adsorbed on CNTs, electrons are transferred from H2S to Pt-SWCNTs, converting Pt-SWCNTs from p-type to n-type sensors with improved conductivity. However, Pt-SWCNTs obtain electrons and show decreased conductivity when reacted with CO gas.

  11. Greener corona discharge for enhanced wind generation with a simple dip-coated carbon nanotube decoration (United States)

    Wu, Yishan; Li, Jun; Ye, Jianchun; Chen, Xiaohong; Li, Huili; Huang, Sumei; Zhao, Ran; Ou-Yang, Wei


    Corona discharge-induced wind (CDIW) has been widely utilized in production lines in the food and semiconductor industries and in indoor devices such as electrostatic precipitators. Some ozone is inevitably emitted, posing serious health risks to respiratory system and lung function of a human being. In this work, a greener corona discharge with enhanced wind generation for a needle-to-cylinder discharge structure is demonstrated using a simple dip-coating method to attach carbon nanotubes (CNTs) to the discharge electrode of a stainless steel needle. Compared with a conventional discharge electrode without CNT decoration, the velocity of the CDIW is greatly enhanced, the onset voltage is lowered, the energy conversion efficiency is greatly improved and the concentration of generated ozone is much reduced, making this easy method of CNT decoration a promising candidate for greener corona discharge systems. In addition, several impact factors for improved performance are discussed mathematically and phenomenologically, providing an insight into the corona discharge and wind generation.

  12. CdO necklace like nanobeads decorated with PbS nanoparticles: Room temperature LPG sensor

    Energy Technology Data Exchange (ETDEWEB)

    Sonawane, N.B. [Department of Physics, School of Physical Sciences, North Maharashtra University, Jalgaon, 425001 M.S. (India); K.A.M.P. & N.K.P. Science College, Pimpalner, Sakri, Dhule, M.S. (India); Baviskar, P.K. [Department of Physics, School of Physical Sciences, North Maharashtra University, Jalgaon, 425001 M.S. (India); Ahire, R.R. [S.G. Patil Science, Sakri, Dhule, M.S. (India); Sankapal, B.R., E-mail: [Nano Materials and Device Laboratory, Department of Applied Physics, Visvesvaraya National Institute of Technology, South Ambazari Road, Nagpur, 440010 M.S. (India)


    Simple chemical route has been employed to grow interconnected nanobeads of CdO having necklace like structure through air annealing of cadmium hydroxide nanowires. This nanobeads of n-CdO with high surface area has been decorated with p-PbS nanoparticles resulting in the formation of nano-heterojunction which has been utilized effectively as room temperature liquefied petroleum gas (LPG) sensor. The room temperature gas response towards C{sub 2}H{sub 5}OH, Cl{sub 2}, NH{sub 3}, CO{sub 2} and LPG was investigated, among which LPG exhibits significant response. The maximum gas response of 51.10% is achieved with 94.54% stability upon exposure of 1176 ppm concentration of LPG at room temperature (27 °C). The resulting parameters like gas response, response and recovery time along with stability studies has been studied and results are discussed herein. - Highlights: • Conversion of Cd(OH){sub 2} nanowires to CdO nanonecklace by air annealing at 290 °C. • Decoration of PbS nanoparticles over CdO nanobeads by SILAR method. • Formation of n-CdO/p-PbS nano-heterojunction as room temperature LPG sensor. • Maximum gas response of 51.10% with 94.54% stability.

  13. A high-performance carbon nanoparticle-decorated graphite felt electrode for vanadium redox flow batteries

    International Nuclear Information System (INIS)

    Wei, L.; Zhao, T.S.; Zhao, G.; An, L.; Zeng, L.


    Highlights: • Propose a carbon nanoparticle-decorated graphite felt electrode for VRFBs. • The energy efficiency is up to 84.8% at 100 mA cm −2 . • The new electrode allows the peak power density to reach 508 mW cm −2 . - Abstract: Increasing the performance of vanadium redox flow batteries (VRFBs), especially the energy efficiency and power density, is critically important to reduce the system cost to a level for widespread commercialization. Unlike conventional VRFBs with flow-through structure, in this work we create a VRFB featuring a flow-field structure with a carbon nanoparticle-decorated graphite felt electrode for the battery. This novel structure, exhibiting a significantly reduced ohmic loss through reducing electrode thickness, an increased surface area and improved electrocatalytic activity by coating carbon nanoparticles, allows the energy efficiency up to 84.8% at a current density of as high as 100 mA cm −2 and the peak power density to reach a value of 508 mW cm −2 . In addition, it is demonstrated that the battery with this proposed structure exhibits a substantially improved rate capability and capacity retention as opposed to conventional flow-through structured battery with thick graphite felt electrodes.

  14. Mammalian cell growth on gold nanoparticle-decorated substrates is influenced by the nanoparticle coating

    Directory of Open Access Journals (Sweden)

    Christina Rosman


    Full Text Available In this work, we study epithelial cell growth on substrates decorated with gold nanorods that are functionalized either with a positively charged cytotoxic surfactant or with a biocompatible polymer exhibiting one of two different end groups, resulting in a neutral or negative surface charge of the particle. Upon observation of cell growth for three days by live cell imaging using optical dark field microscopy, it was found that all particles supported cell adhesion while no directed cell migration and no significant particle internalization occurred. Concerning cell adhesion and spreading as compared to cell growth on bare substrates after 3 days of incubation, a reduction by 45% and 95%, respectively, for the surfactant particle coating was observed, whereas the amino-terminated polymer induced a reduction by 30% and 40%, respectively, which is absent for the carboxy-terminated polymer. Furthermore, interface-sensitive impedance spectroscopy (electric cell–substrate impedance sensing, ECIS was employed in order to investigate the micromotility of cells added to substrates decorated with various amounts of surfactant-coated particles. A surface density of 65 particles/µm2 (which corresponds to 0.5% of surface coverage with nanoparticles diminishes micromotion by 25% as compared to bare substrates after 35 hours of incubation. We conclude that the surface coating of the gold nanorods, which were applied to the basolateral side of the cells, has a recognizable influence on the growth behavior and thus the coating should be carefully selected for biomedical applications of nanoparticles.

  15. Alignment of Gold Nanoparticle-Decorated DNA Origami Nanotubes: Substrate Prepatterning versus Molecular Combing. (United States)

    Teschome, Bezu; Facsko, Stefan; Gothelf, Kurt V; Keller, Adrian


    DNA origami has become an established technique for designing well-defined nanostructures with any desired shape and for the controlled arrangement of functional nanostructures with few nanometer resolution. These unique features make DNA origami nanostructures promising candidates for use as scaffolds in nanoelectronics and nanophotonics device fabrication. Consequently, a number of studies have shown the precise organization of metallic nanoparticles on various DNA origami shapes. In this work, we fabricated large arrays of aligned DNA origami decorated with a high density of gold nanoparticles (AuNPs). To this end, we first demonstrate the high-yield assembly of high-density AuNP arrangements on DNA origami adsorbed to Si surfaces with few unbound background nanoparticles by carefully controlling the concentrations of MgCl2 and AuNPs in the hybridization buffer and the hybridization time. Then, we evaluate two methods, i.e., hybridization to prealigned DNA origami and molecular combing in a receding meniscus, with respect to their potential to yield large arrays of aligned AuNP-decorated DNA origami nanotubes. Because of the comparatively low MgCl2 concentration required for the efficient immobilization of the AuNPs, the prealigned DNA origami become mobile and displaced from their original positions, thereby decreasing the alignment yield. This increased mobility, on the other hand, makes the adsorbed origami susceptible to molecular combing, and a total alignment yield of 86% is obtained in this way.

  16. Acidic gases (CO{sub 2}, NO{sub 2} and SO{sub 2}) capture and dissociation on metal decorated phosphorene

    Energy Technology Data Exchange (ETDEWEB)

    Kuang, Anlong, E-mail: [School of Physical Science and Technology, Southwest University, Chongqing 400715 (China); Kuang, Minquan; Yuan, Hongkuan; Wang, Guangzhao; Chen, Hong [School of Physical Science and Technology, Southwest University, Chongqing 400715 (China); Yang, Xiaolan [School of Materials Science and Engineering, Beihang University, Beijing 100191 (China)


    Highlights: • The light metal decorated phosphorene sheets are very effective for capture of CO{sub 2}, NO{sub 2} and SO{sub 2} because of large adsorption energies. • The adsorption energy is obviously dependent on the amount of electrons transferred between acidic gases and metal decorated phosphorene. • Pt-decorated phosphorene can effectively catalyze the dissociation of acidic gas. - Abstract: Density functional theory is employed to investigate the adsorption and dissociation of several acidic gases (CO{sub 2}, NO{sub 2} and SO{sub 2}) on metal (Li, Al, Ni and Pt) decorated phosphorene. The results show that light metal (Li, Al) decorated phosphorene exhibits a strong adsorption of acidic gases, i.e., the adsorption energy of CO{sub 2} on Li decorated phosphorene is 0.376 eV which is the largest in all adsorption of CO{sub 2} on metal decorated phosphorene and Al decorated phosphorene is most effective for capture of NO{sub 2} and SO{sub 2} due to large adsorption energies of 3.951 and 3.608 eV, respectively. Moreover, Li and Al light metals have stronger economic effectiveness and more friendly environment compared with the transition metals, the strong adsorption ability of acidic gases and low price suggest that Li, Al decorated phosphorene may be useful and promising for collection and filtration of exhaust gases. The reaction energy barriers of acidic gases dissociated process on Pt decorated phosphorene are relatively low and the reaction processes are significantly exothermic, indicating that the dissociation process is favorable.

  17. MoS2 nanodot decorated In2S3 nanoplates: a novel heterojunction with enhanced photoelectrochemical performance. (United States)

    Liu, Fangyang; Jiang, Yan; Yang, Jia; Hao, Mengmeng; Tong, Zhengfu; Jiang, Liangxing; Wu, Zhuangzhi


    MoS2 nanodot decorated In2S3 nanoplates were successfully synthesized via a modified one-pot method. The In2S3/MoS2 heterojunction nanocomposite exhibits superior optical and photoelectrochemical performance to the bare ones, owing to the synergistic effect.

  18. Frame-web-choice experiments with stingless bees support the prey-attraction hypothesis for silk decorations in Argiope savignyi

    NARCIS (Netherlands)

    Galvez, Dumas


    There is controversy about the function of silk stabilimenta, also called silk decorations, oil spiders' webs. Most of the proposed hypotheses have been tested using indirect methods. Protection against predators, advertisement for vertebrates to avoid web damage, and increasing prey attraction are

  19. [Application of occupational hazard risk index model in occupational health risk assessment in a decorative coating manufacturing enterprises]. (United States)

    He, P L; Zhao, C X; Dong, Q Y; Hao, S B; Xu, P; Zhang, J; Li, J G


    Objective: To evaluate the occupational health risk of decorative coating manufacturing enterprises and to explore the applicability of occupational hazard risk index model in the health risk assessment, so as to provide basis for the health management of enterprises. Methods: A decorative coating manufacturing enterprise in Hebei Province was chosen as research object, following the types of occupational hazards and contact patterns, the occupational hazard risk index model was used to evaluate occupational health risk factors of occupational hazards in the key positions of the decorative coating manufacturing enterprise, and measured with workplace test results and occupational health examination. Results: The positions of oily painters, water-borne painters, filling workers and packers who contacted noise were moderate harm. And positions of color workers who contacted chromic acid salts, oily painters who contacted butyl acetate were mild harm. Other positions were harmless. The abnormal rate of contacting noise in physical examination results was 6.25%, and the abnormality was not checked by other risk factors. Conclusion: The occupational hazard risk index model can be used in the occupational health risk assessment of decorative coating manufacturing enterprises, and noise was the key harzard among occupational harzards in this enterprise.

  20. Synthesis and characterization of folate decorated albumin bio-conjugate nanoparticles loaded with a synthetic curcumin difluorinated analogue. (United States)

    Gawde, Kaustubh A; Kesharwani, Prashant; Sau, Samaresh; Sarkar, Fazlul H; Padhye, Subhash; Kashaw, Sushil K; Iyer, Arun K


    Albumin-bound paclitaxel colloidal nanoparticle (Abraxane®) is an FDA approved anticancer formulation available in the market. It is a suspension which is currently used therapeutically for treating cancers of the breast, lung, and pancreas among others. CDF is a novel new and potent synthetic curcumin analogue that is widely used for breast and ovarian cancer. The aim of this study was to use biocompatible albumin as well as folate decorated albumin to formulate colloidal nanoparticles encapsulating curcumin difluorinated (CDF). CDF has demonstrated a 16-fold improvement in stability and remarkable anticancer potency compared to its natural derivative, curcumin. CDF showed marked inhibition of cancer cell growth through down-regulation of multiple miRNAs, up-regulation of phosphatase and tensin homolog (PTEN), and attenuation of histone methyl transferase EZH2. However, CDF is highly hydrophobic and photodegradable with sparing aqueous solubility. In this study, we have formulated albumin nanoparticle using a modified desolvation method, which yielded high CDF loading in a nanoformulation. The physicochemical properties of CDF loaded albumin and folate-decorated albumin nanosuspensions were assessed for particle size, morphology, zeta potential, drug encapsulation efficiency/loading, solubility and drug release. Importantly, the folate ligand decorated albumin nanoparticles were formulated in principle to passively and actively target folate-overexpressing-cancers. In this study, the synthesis and optimization of BSA and folate decorated BSA conjugated CDF nanoparticles are assessed in detail that will be useful for its future clinical translation. Copyright © 2017 Elsevier Inc. All rights reserved.

  1. Sensing of low concentration of ammonia at room temperature by decorated multi-walled carbon nanotube: fabrication and characteristics (United States)

    Hasnahena, S. T.; Roy, M.


    A chemical sensor based on multi-walled carbon nanotube (MWCNT) decorated with densely populated thiol-capped gold nanoparticles (AuNPs) with sizes smaller than 3 nm for sensing low concentrations of ammonia gas is reported. The functionalized MWCNTs, subsequently decorated with AuNPs following an easy fabrication route were exposed to NH3 gas at the room temperature and the electrical resistance of the sensor changed upon exposure. The sensor also partially recovered the initial state after sensing in the normal air environment (without any dry air or N2 gas purge). The gold nanoparticles decoration is found to enhance the sensitivity and selectivity of MWCNT towards NH3 gas under ambient conditions with a reduced response and recovery time. The material was structurally characterized by Transmission Electron Microscopy and X-ray Photoelectron Spectroscopy. Thermal stability of the sensor till 574 °C was demonstrated by TGA analysis. This papers describes how thiol-capped AuNPs are uniformly decorated on the outer walls of the MWCNTs with a separation of 2-3 nm making use of the ionic nature of Au and how this uniform distribution of AuNPs increases the active sites for absorption of NH3 gas molecules leading to sensing its low concentrations.

  2. Nitrogen-doped carbon dots decorated on graphene: a novel all-carbon hybrid electrocatalyst for enhanced oxygen reduction reaction. (United States)

    Hu, Chao; Yu, Chang; Li, Mingyu; Wang, Xiuna; Dong, Qiang; Wang, Gang; Qiu, Jieshan


    An all-carbon hybrid, composed of coal-based nitrogen-doped carbon dots decorated on graphene, was prepared via hydrothermal treatment. The hybrid possesses comparable electrocatalytic activity, better durability and methanol tolerance than those of the commercial Pt-based electrocatalysts for oxygen reduction reaction, indicative of its great potential in fuel cells.

  3. Dictionary learning based statistical interior reconstruction without a prior knowledge (United States)

    Shi, Yongyi; Mou, Xuanqin


    Despite the significantly practical utilities of interior tomography, it still suffers from severe degradation of direct current (DC) shift artifact. Existing literature suggest to introducing prior information of object support (OS) constraint or the zeroth order image moment, i.e., the DC value into interior reconstruction to suppress the shift artifact, while the prior information is not always available in practice. Aimed at alleviating the artifacts without prior knowledge, in this paper, we reported an approach on the estimation of the object support which could be employed to estimate the zeroth order image moment, and hence facilitate the DC shift artifacts removal in interior reconstruction. Firstly, by assuming most of the reconstructed object consists of soft tissues that are equivalent to water, we reconstructed a virtual OS that is symmetrical about the interior region of interest (ROI) for the DC estimation. Hence the DC value can be estimated from the virtual reconstruction. Secondly, a statistical iterative reconstruction incorporated with the sparse representation in terms of learned dictionary and the constraint in terms of image DC value was adopted to solve the interior tomography. Experimental results demonstrate that the relative errors of the estimated zeroth order image moment are 4.7% and 7.6%, corresponding to the simulated data of a human thorax and the real data of a sheep lung, respectively. Reconstructed images with the constraint of the estimated DC value exhibit greatly superior image quality to that without DC value constraint.

  4. Emotion and interior space design: an ergonomic perspective. (United States)

    Reddy, Swathi Matta; Chakrabarti, Debkumar; Karmakar, Sougata


    Interaction between the users and their environment is spontaneous and unavoidable. This interaction can be positive or negative. A good interior space is about considering all the physical, environmental and cognitive elements and harmonizing them to make it a space that feels right, functionally and emotionally. The important element that has to be considered the most in an interior space is the "user". Balancing all these elements is a challenging job and results in a perfect interior space design. This paper intends to bring to light the necessity of designing an optimum interior space, which is a balance of the user's choice and the mandatory standards that ought to be followed for user safety and convenience. There has to be an intervening domain of ergonomics which will guide to bring out a balance between the personal choice of the user and the usual standards followed. It should also provide a step-by-step information, guidance and direction to act to the specifications and standards systematically to adapt an integrated approach of handling all the elements holistically which will indeed result in a good interior space.

  5. Theoretical study of hydrogen adsorption of graphene and carbon nanotubes decorated with palladium

    International Nuclear Information System (INIS)

    Lopez Corral, Ignacio; German, Estefania; Volpe, Maria A; Brizuela, Graciela; Juan, Alfredo


    Since their discovery in 1991, carbon nanotubes (CNT) have awakened great interest in materials science thanks to their extraordinary structural, electronic and mechanical properties which facilitate their application in many different areas. One of the most promising applications is the possibility of using CNT to store hydrogen for use in small scale fuel cells. Unfortunately, experimental studies performed some years ago have often led to controversial conclusions, causing a continuing debate that has still not been resolved. The most recent work suggests that the storage of hydrogen for practical purposes can be achieved with CNT decorated with transition metals, for example Pd. In this context, theoretical modeling methods have to be used for a detailed understanding of the influence and scope of this type of modification in the interaction of the nanotubes with atomic or molecular hydrogen. This work studied hydrogen adsorption in single-walled carbon nanotubes (SWCNT) doped with Pd atoms, using density functional theory (DFT) and semi-empirical methods. As a preliminary approximation to the system a graphene sheet was used, modeled with a 190 atom cluster of C in a hexagonal arrangement, on which a single Pd atom was placed in adsorption sites. Then C 190 clusters were used to simulate two different types of SWCNT: the zigzag SWCNT of quirality (10.0) and the armchair SWCNT of quirality (5.5), both decorated similarly on the graphene. Geometric optimization procedures for the system's different components were carried out with these models, and then the changes produced during the adsorption process in the electronic occupation of atomic orbitals and unions, for which crystal orbital overlap population (COOP) curves and overlap population (OP) values were evaluated. The results obtained with the graphene and nanotube approximations are in agreement and show that the SWCNT modified with Pd have more capacity to trap hydrogen than the non doped SWCNT. The

  6. Renal coccidiosis in interior Canada geese, Branta canadensis interior Todd, of the Mississippi Valley population (United States)

    Tuggle, Benjamin N.; Crites, John L.


    Kidneys from 309 Interior Canada geese from three locations in the Mississippi Flyway were examined for renal coccidia. Oocysts and/or young zygotes of Eimeria sp. were found in 6.8% of goose kidneys sampled. Only one type of renal coccidian oocyst was observed. Significantly more immature geese were infected than adults; however, there was no significant difference observed between the prevalences of infection in male and female birds. A host cellular response to zygotes and oocysts was noted in the majority of infected adult geese. Heavily infected kidneys were hypertrophic with minute foci on the surface of the organ. Histological examinations showed large numbers of unsporulated oocysts accumulated in distended collecting tubules, resulting in pressure necrosis to adjacent tissue and urate retention. Zygotes were observed in the cytoplasm of tubule cells and extracellularly in interstitial tissue. Infected tubule cells were characterized by the peripheral location of the nuclei, cytoplasmic basophilia, and cellular hypertrophy. This is the first report of an Eimeria sp. in the kidneys of Canada geese of the Mississippi Valley population.

  7. Surface decoration of polyimide fiber with carbon nanotubes and its application for mechanical enhancement of phosphoric acid-based geopolymers (United States)

    Yang, Tao; Han, Enlin; Wang, Xiaodong; Wu, Dezhen


    A new methodology to decorate the surface of polyimide (PI) fiber with carbon nanotubes (CNTs) has been developed in this study. This surface decoration was carried out through a surface alkali treatment, a carboxylation modification, surface functionalization with acyl chloride groups and then with amino groups, and a surface graft of CNTs onto PI fiber. Fourier-transform infrared and X-ray photoelectron spectroscopic characterizations confirmed that CNTs were chemically grafted onto the surface of PI fiber, and scanning electron microscopic observation demonstrated the fiber surface was uniformly and densely covered with CNTs. The surface energy and wettability of PI fiber were improved in the presence of CNTs on the fiber surface, which made a contribution to enhance the interfacial adhesion of PI fiber with other inorganic matrices when used as a reinforcing fiber. The application of CNTs-decorated PI fiber for the reinforcement of phosphoric acid-based geopolymers was investigated, and the results indicated that the geopolymeric composites gained a noticeable reinforcement. Compared to unreinforced geopolymer, the geopolymeric composites achieved a remarkable increase in compressive strength by 120% and in flexural strength by 283%. Fractography investigation demonstrated that the interaction adhesion between the fibers and matrix was enhanced due to the surface decoration of PI fiber with CNTs, which contributed to an improvement in fracture-energy dissipation by fiber pullout and fiber debonding from the matrix. As a result, a significant reinforcement effect on geopolymeric composites was achieved through a fiber-bridging mechanism. This study provided an effective methodology to improve the interracial bonding force for PI fiber and also proves a highly efficient application of CNTs-decorated PI fiber for the mechanical enhancement of geopolymeric composites.

  8. Dependence of QSAR models on the selection of trial descriptor sets: a demonstration using nanotoxicity endpoints of decorated nanotubes. (United States)

    Shao, Chi-Yu; Chen, Sing-Zuo; Su, Bo-Han; Tseng, Yufeng J; Esposito, Emilio Xavier; Hopfinger, Anton J


    Little attention has been given to the selection of trial descriptor sets when designing a QSAR analysis even though a great number of descriptor classes, and often a greater number of descriptors within a given class, are now available. This paper reports an effort to explore interrelationships between QSAR models and descriptor sets. Zhou and co-workers (Zhou et al., Nano Lett. 2008, 8 (3), 859-865) designed, synthesized, and tested a combinatorial library of 80 surface modified, that is decorated, multi-walled carbon nanotubes for their composite nanotoxicity using six endpoints all based on a common 0 to 100 activity scale. Each of the six endpoints for the 29 most nanotoxic decorated nanotubes were incorporated as the training set for this study. The study reported here includes trial descriptor sets for all possible combinations of MOE, VolSurf, and 4D-fingerprints (FP) descriptor classes, as well as including and excluding explicit spatial contributions from the nanotube. Optimized QSAR models were constructed from these multiple trial descriptor sets. It was found that (a) both the form and quality of the best QSAR models for each of the endpoints are distinct and (b) some endpoints are quite dependent upon 4D-FP descriptors of the entire nanotube-decorator complex. However, other endpoints yielded equally good models only using decorator descriptors with and without the decorator-only 4D-FP descriptors. Lastly, and most importantly, the quality, significance, and interpretation of a QSAR model were found to be critically dependent on the trial descriptor sets used within a given QSAR endpoint study.

  9. 26 CFR 49.4253-9 - Exemption for certain interior communication systems. (United States)


    ... Exemption for certain interior communication systems. (a) In general. The taxes imposed by section 4251 do... rendered through the use of an interior communication system. (b) Interior communication system. The term “interior communication system” means any system: (1) No part of which is situated off the premises of the...

  10. Virtual Reality as Innovative Approach to the Interior Designing

    Directory of Open Access Journals (Sweden)

    Kaleja Pavol


    Full Text Available We can observe significant potential of information and communication technologies (ICT in interior designing field, by development of software and hardware virtual reality tools. Using ICT tools offer realistic perception of proposal in its initial idea (the study. A group of real-time visualization, supported by hardware tools like Oculus Rift HTC Vive, provides free walkthrough and movement in virtual interior with the possibility of virtual designing. By improving of ICT software tools for designing in virtual reality we can achieve still more realistic virtual environment. The contribution presented proposal of an innovative approach of interior designing in virtual reality, using the latest software and hardware ICT virtual reality technologies

  11. Model Based Control of Moisture Sorption in a Historical Interior

    Directory of Open Access Journals (Sweden)

    P. Zítek


    Full Text Available This paper deals with a novel scheme for microclimate control in historical exhibition rooms, inhibiting moisture sorption phenomena that are inadmissible from the preventive conservation point of view. The impact of air humidity is the most significant harmful exposure for a great deal of the cultural heritage deposited in remote historical buildings. Leaving the interior temperature to run almost its spontaneous yearly cycle, the proposed non-linear model-based control protects exhibits from harmful variations in moisture content by compensating the temperature drifts with an adequate adjustment of the air humidity. Already implemented in a medieval interior since 1999, the proposed microclimate control has proved capable of permanently maintaining constant a desirable moisture content in organic or porous materials in the interior of a building. 

  12. On ethics and the earthquake resistant interior design of buildings. (United States)

    Hurol, Yonca


    The most common tectonic quality of modern structures, such as frame systems, is their flexibility; they are open for change. Although this characteristic is a big advantage in comparison to the inflexible masonry structures of the past, it might also create some serious problems, such as e.g. the lack of safety in the event of an earthquake, if the flexibility is not used consciously by architects and interior designers. This article attempts to define and establish some rules for the interior design of buildings with reinforced concrete frame systems. The rules for making subtractions from these structures and extending them by making additions to them are contained within this article. The main objective of this article is to derive some ethical values from these rules. Thus, the conclusion of the article focuses on the derivation of some ethical values for achieving earthquake resistant interior design of buildings with reinforced concrete frame systems.

  13. [Chronic obstructive pulmonary disease (COPD) and the interior environment]. (United States)

    Khayath, N; Qi, S; de Blay, F


    In COPD, the risk attributable to smoking is very variable according to published studies. A significant number shows that the risk of COPD in non-smokers is far from negligible. The links between COPD and pollution of the interior environment vary between developed and developing countries. In developing countries, numerous studies have shown a link between COPD and exposure to substances derived from the combustion of biomass fuels, particularly in women where the exposure is the greatest. Nevertheless, a cause and effect relationship has not always been demonstrated. In developed countries, there is no evidence of a role of exposure to domestic interior pollution in the genesis of COPD and interior pollutants such as NO 2  and particulates seem only to aggravate already existing COPD. Further studies are necessary to evaluate their role in COPD and explore the underlying mechanisms. Irritative phenomena could be involved. Copyright © 2016 SPLF. Published by Elsevier Masson SAS. All rights reserved.


    Directory of Open Access Journals (Sweden)

    samatdinov Marat Orynbaevich


    Full Text Available Increasing the quality of construction works and heat insulation efficiency of building envelope as well as providing additional fire proof and acoustic comfort suppose the use of special construction systems provided with the whole complex of components — composite construction systems. Composite interior systems include structural solutions of dividing walls, floors, suspended ceilings, inner facing of walls and fireproof facing, as well as assembling technology of these constructions. The main components of interior composite systems are gypsum board and gypsum-fiber sheets, gypsum-containing dry mortars. Less often gypsum partition blocks or panels based on Portland cement are used (cement fibrolite plates, aquapanels, etc.. The companies producing these materials are usually the movers of the creation of complex systems of interior facing. The systems are developed by leading Russian design organizations or engineering services of companies-the movers.

  15. Measure Guideline: Summary of Interior Ducts in New Construction, Including an Efficient, Affordable Method to Install Fur-Down Interior Ducts

    Energy Technology Data Exchange (ETDEWEB)

    Beal, D. [BA-PIRC, Cocoa, FL (United States); McIlvaine, J. [BA-PIRC, Cocoa, FL (United States); Fonorow, K. [BA-PIRC, Cocoa, FL (United States); Martin, E. [BA-PIRC, Cocoa, FL (United States)


    This document illustrates guidelines for the efficient installation of interior duct systems in new housing, including the fur-up chase method, the fur-down chase method, and interior ducts positioned in sealed attics or sealed crawl spaces.

  16. Synergistic bactericidal activity of chlorhexidine-loaded, silver-decorated mesoporous silica nanoparticles. (United States)

    Lu, Meng-Meng; Wang, Qiu-Jing; Chang, Zhi-Min; Wang, Zheng; Zheng, Xiao; Shao, Dan; Dong, Wen-Fei; Zhou, Yan-Min


    Combination of chlorhexidine (CHX) and silver ions could engender synergistic bactericidal effect and improve the bactericidal efficacy. It is highly desired to develop an efficient carrier for the antiseptics codelivery targeting infection foci with acidic microenvironment. In this work, monodisperse mesoporous silica nanoparticle (MSN) nanospheres were successfully developed as an ideal carrier for CHX and nanosilver codelivery through a facile and environmentally friendly method. The CHX-loaded, silver-decorated mesoporous silica nanoparticles (Ag-MSNs@CHX) exhibited a pH-responsive release manner of CHX and silver ions simultaneously, leading to synergistically antibacterial effect against both gram-positive Staphylococcus aureus and gram-negative Escherichia coli . Moreover, the effective antibacterial concentration of Ag-MSNs@CHX showed less cytotoxicity on normal cells. Given their synergistically bactericidal ability and good biocompatibility, these nanoantiseptics might have effective and broad clinical applications for bacterial infections.

  17. Electrospun polycaprolactone nanofibres decorated by drug loaded chitosan nano-reservoirs for antibacterial treatments (United States)

    Guarino, Vincenzo; Cruz-Maya, Iriczalli; Altobelli, Rosaria; Khodir, W. K. Abdul; Ambrosio, Luigi; Alvarez Pèrez, Marco A.; Almaguer Flores, Argelia


    The main limitation of conventional antibiotic therapies concerns the low efficacy to fight bacteria attacks during long treatment times. In this context, the integrated use of electrofluidodynamics (EFDs)—basically electrospinning and electrospraying—may represent an interesting route for designing nanostructured platforms with controlled release to prevent the formation of bacterial biofilms in oral implant sites. They allow for the deposition of nanofibres and nanoparticles by different modes—i.e. sequential, simultaneous—for the fabrication of more efficacious systems in terms of degradation protection, pharmacokinetic control and drug distribution to the surrounding tissues. Herein, we will investigate EFDs processing modes and conditions to decorate polycaprolactone nanofibres surfaces by chitosan nano-reservoirs for the administration of Amoxicillin Trihydrate as an innovative antibacterial treatment of the periodontal pocket.

  18. Non-Enzymatic Glucose Biosensor Based on CuO-Decorated CeO2 Nanoparticles

    Directory of Open Access Journals (Sweden)

    Panpan Guan


    Full Text Available Copper oxide (CuO-decorated cerium oxide (CeO2 nanoparticles were synthesized and used to detect glucose non-enzymatically. The morphological characteristics and structure of the nanoparticles were characterized through transmission electron microscopy, X-ray photoelectron spectroscopy, and X-ray diffraction. The sensor responses of electrodes to glucose were investigated via an electrochemical method. The CuO/CeO2 nanocomposite exhibited a reasonably good sensitivity of 2.77 μA mM−1cm−2, an estimated detection limit of 10 μA, and a good anti-interference ability. The sensor was also fairly stable under ambient conditions.

  19. Optimizing Circulating Tumor Cells’ Capture Efficiency of Magnetic Nanogels by Transferrin Decoration

    Directory of Open Access Journals (Sweden)

    Catalina Biglione


    Full Text Available Magnetic nanogels (MNGs are designed to have all the required features for their use as highly efficient trapping materials in the challenging task of selectively capturing circulating tumor cells (CTCs from the bloodstream. Advantageously, the discrimination of CTCs from hematological cells, which is a key factor in the capturing process, can be optimized by finely tuning the polymers used to link the targeting moiety to the MNG. We describe herein the relationship between the capturing efficiency of CTCs with overexpressed transferrin receptors and the different strategies on the polymer used as linker to decorate these MNGs with transferrin (Tf. Heterobifunctional polyethylene glycol (PEG linkers with different molecular weights were coupled to Tf in different ratios. Optimal values over 80% CTC capture efficiency were obtained when 3 PEG linkers with a length of 8 ethylene glycol (EG units were used, which reveals the important role of the linker in the design of a CTC-sorting system.

  20. Catalytic Activity of Silicon Nanowires Decorated with Gold and Copper Nanoparticles Deposited by Pulsed Laser Ablation

    Directory of Open Access Journals (Sweden)

    Michele Casiello


    Full Text Available Silicon nanowires (SiNWs decorated by pulsed laser ablation with gold or copper nanoparticles (labeled as AuNPs@SiNWs and CuNPs@SiNWs were investigated for their catalytic properties. Results demonstrated high catalytic performances in the Caryl–N couplings and subsequent carbonylations for gold and copper catalysts, respectively, that have no precedents in the literature. The excellent activity, attested by the very high turn over number (TON values, was due both to the uniform coverage along the NW length and to the absence of the chemical shell surrounding the metal nanoparticles (MeNPs. A high recyclability was also observed and can be ascribed to the strong covalent interaction at the Me–Si interface by virtue of metal “silicides” formation.

  1. Heterostructures based on graphene and MoS2 layers decorated by C60 fullerenes (United States)

    Chernozatonskii, Leonid A.; Kvashnin, Alexander G.; Sorokin, Pavel B.


    Here we present a comprehensive investigation of various novel composite structures based on graphene (G) and molybdenum disulphide (MoS2) monolayers decorated by C60 fullerenes, which can be successfully applied in photovoltaics as a solar cell unit. Theoretical studies of the atomic structure, stability and electronic properties of the proposed G/C60, MoS2/C60 and G/MoS2/C60/G nanostructures were carried out. We show that making the G/MoS2/C60/G heterostructure from the 2D films considered here will lead to the appearance of particular properties suitable for application in photovoltaics due to the broad energetic region of high electronic density of states.

  2. In-situ decorated gold nanoparticles on polyaniline with enhanced electrocatalysis toward dopamine

    International Nuclear Information System (INIS)

    Wang, A.-J.; Feng, J.-J.; Xi, J.-L.; Dong, W.-J.; Li, Y.-F.


    Gold nanoparticles were in-situ decorated on top of a polyaniline film (GNPs-PANI) via the direct electroreduction of the adsorbed AuCl 4 - ions on a glassy carbon electrode that previously was coated with PANI by electropolymerization. The GNPs-PANI composite and the performance of the resultant sensors were investigated in some detail. The sensor was applied to the oxidation of dopamine (DA) with improved catalytic activity. Its catalytic current showed wide linear response toward dopamine ranging from 3 to 115 μM, with a low detection limit of 0. 8 μM (S/N=3). In addition, the sensor exhibits easy-operation, fast response to dopamine, as well as excellent reproducibility and stability. (author)

  3. Ultrananocrystalline diamond decoration on to the single wall carbon nano tubes (United States)

    Sinha, Bhavesh; Late, Datta; Jejurikar, Suhas M.


    We have demonstrated the decoration of the ultrananocrystalline diamonds on single walled carbon nanotubes using a hot filament assisted chemical vapor deposition. Study reveals the critical influence of the filament to substrate distance on the formation of ultrananocrystalline diamonds on to the single walled carbon nanotubes. It is also observed that etching of carbon nanotubes, due to the presence of unavoidable atomic hydrogen throughout the chemical vapor deposition processes, can be significantly reduced by adjusting the filament to substrate distance. Morphological and structural investigations performed using high resolution transmission electron microscope suggests the growth of ultrananocrystalline diamond is subsequent to the formation of crystalline sp2 carbon layer on the nanotube wall, enabling us to suggest a growth model. The composite synthesized can be thought not only to use as a fuel cell catalyst support but also as chemical sensors, bio-sensors and micro electromechanical systems (MEMS).

  4. KERA-ECO mediums for ceramic decoration; Vehiculos KERA-ECO para decoracion ceramica

    Energy Technology Data Exchange (ETDEWEB)

    David Diez, C.


    The use and indiscriminate massive consumption of natural resources, degradation of environmental assets, and the damage that pollution causes to individuals and businesses, pose critical problems for society of XXI century. To paraphrase Ronald Coase, Economics Nobel Award in 1991, the deficiency of a system of property rights and application of some environmental goods carries a suboptimal use thereof. Therefore, in recent years there is a strong emphasis on environmental preservation and consequently many are joining efforts to make our planet continues to deteriorate due to the action of humans. The objective of this project is based on the analysis and development of organic mediums for ceramic decoration in keeping with the preservation of the environment. (Author) 11 refs.

  5. Conifers in decorative arboretum of Botanic Garden of Petrozavodsk State University

    Directory of Open Access Journals (Sweden)

    Eglacheva Arina


    Full Text Available The transformation that taking place during of spontaneous cultivars introduction have not taken into consideration for last 10 years. The plants introduction in the Botanic Garden PSU have a planned character in a northwest middle taiga. Decorative arboretum was laid in 2000 (Potapova, Prokhorov, 2010. By 2014, the conifers collection includes 159 specimens of 98 cultivars belonging to 28 species, 10 genera and 3 families (Cupressaceae, Pinaceae, Taxaceae. Taxa are presented as species with narrow native habitat (Microbiota decussata, Thujopsis dolabrata, Chamaecyparis pisifera, Picea omorika, and with a wide (Juniperus communis. Plants were planted gradually. Annual plant monitoring include measuring of height, width of the crown, trunk diameter, needles color, seed-bearing, damage. Based on the study was identified plants groups in growth rate, seed-bearing. The number of generative samples are increased from 17 to 53% during 2007-2014. Seed-bearing is not a constant parameter and depends on a complex of abiotic factors.

  6. Decorative Motifs and Lighting Effects in Promoting Quality Health of Persian Bathhouse

    Directory of Open Access Journals (Sweden)

    Sima Mansoori


    Full Text Available The hidden issues behind the body of Iranian architecture contain meanings, mysteries, and symbols. In the pathology of the bathroom, it should be noted that anti-physiological leisure in a mechanized, automated, and boring environment with no desire to stay in it, is the main problem that has prevailed in recent years. The aim of this article is to describe the relationship between the function of symbols of Iranian Architecture and the quality of health. This paper investigates 5 case studies namely the traditional bathhouse of Iran (TBI from 5 cities with a particular approach to light and decorative motifs from the Ghajar and Safavid periods in Iran. The methodology used is the Delphi research with the Q factor analysis. Finally, the profile of the relations of ornaments in a healthy TBI is explained.

  7. Nonenzymatic glucose sensing by CuO nanoparticles decorated nitrogen-doped graphene aerogel. (United States)

    Yang, Jing; Tan, Wensheng; Chen, Chuanxiang; Tao, Yongxin; Qin, Yong; Kong, Yong


    CuO nanoparticles decorated N-doped graphene aerogel (NGA-CuO) was facilely synthesized via a mild hydrothermal method followed by freeze-drying and calcination, which was characterized by TEM, FT-IR, XPS, XRD and electrochemical impedance spectroscopy (EIS). The obtained NGA-CuO was used for the construction of a nonenzymatic sensing platform for glucose, exhibiting wide linear range, low detection limit, high sensitivity, reproducibility, selectivity and stability. The excellent analytical performances of the NGA-CuO based glucose sensor might be attributed to the synergistic effect of CuO nanoparticles and N-doped graphene aerogel (NGA). The practical applications of the proposed sensor was verified by determining glucose concentrations in five human serum samples, and the obtained results were quite comparable to those measured on the standard clinical instrument. Copyright © 2017 Elsevier B.V. All rights reserved.

  8. Wet-chemical enzymatic preparation and characterization of ultrathin gold-decorated single glass nanopore. (United States)

    He, Haili; Xu, Xiaolong; Jin, Yongdong


    The conical glass nanopore was modified through layer-by-layer electrostatic deposition of a monolayer of glucose oxidase, and then an ultrathin gold film was formed in situ through enzyme-catalyzed reactions. The morphology and components of single glass nanopore before and after ultrathin Au deposition were characterized by transmission electron microscopy (TEM) and energy-dispersive X-ray (EDX) analysis, respectively. In particular, the quenching of the quantum dots fluorescence in the nanopore tip zone further illustrated that the gold nanofilm was successfully deposited on the inner wall of the single glass nanopore. The Au thin films make the glass nanopores more biologically friendly and allow the nanopores facile functionalization of the surface through the Au-S bonds. For instance, the ionic current rectification (ICR) properties of the gold-decorated glass nanopores could be switched readily at different pHs by introducing different thiol molecules.

  9. Efficient Hydrogen Evolution Electrocatalysis Using Cobalt Nanotubes Decorated with Titanium Dioxide Nanodots. (United States)

    Feng, Jin-Xian; Xu, Han; Dong, Yu-Tao; Lu, Xue-Feng; Tong, Ye-Xiang; Li, Gao-Ren


    TiO 2 Co nanotubes decorated with nanodots (TiO 2 NDs/Co NSNTs-CFs) are reported as high-performance earth-abundant electrocatalysts for the hydrogen evolution reaction (HER) in alkaline solution. TiO 2 NDs/Co NSNTs can promote water adsorption and optimize the free energy of hydrogen adsorption. More importantly, the absorbed water can be easily activated in the presence of the TiO 2 -Co hybrid structure. These advantages will significantly promote HER. TiO 2 NDs/Co NSNTs-CFs as electrocatalysts show a high catalytic performance towards HER in alkaline solution. This study will open up a new avenue for designing and fabricating low-cost high-performance HER catalysts. © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

  10. Distribution of the horticultural plants in togo according to decorative parts and medical value

    International Nuclear Information System (INIS)

    Radji, R.; Kokou, K


    In Togo, more than six hundred species of horticultural plants were identified belonging to approximately 59% of Dicotyledons (49 families, 145 genera and 315 species) and 37.37% were monocotyledons. Pteridophytes and gymnosperms accounted for less than 6%. The spectrum of morphological types indicated that herbs accounted for 55%, while trees and shrubs were 15%. More than 50% of the species of this flora were exotic. The species distributions were made according to their decorative parts and their place of use. Across the country, 55 plantings were recorded and unevenly distributed in cities. Apart from their ornamental use, these plants were used for feeding, traditional and industrial cosmetics in psychotherapy, horticultural therapy and in traditional and conventional medicine preparation. In this study, 79 species from 39 families are reported as medicinal plants. The Apocynaceae and Fabaceae (6 species), the Euphorbiaceae and Liliaceae (5 species), the Arecaceae and Verbenaceae (4 species) were the best represented families. (author)

  11. Use of the Inverse Approach for the Manufacture and Decoration of Food Cans

    International Nuclear Information System (INIS)

    Duffett, G.A.; Forgas, A.; Neamtu, L.; Naceur, H.; Batoz, J.L.; Guo, Y.Q.


    Innovation is a key objective in the metal packaging industry in order to produce new concepts, designs, shapes and printing. Simulation technology now allows both the can design as well as the manufacturing process to be carefully analysed before any physical prototypes or dies have been manufactured. These simulations are traditionally carried out using incremental simulation methodologies. However, much information may also be attained by using the inverse approach: the initial blank format for the can body as well as its lid may be optimised much faster, the actual decoration of the can may be evaluated and even calculated when deformation printing techniques are utilised. This paper presents some of the technical details relating to the inverse approach employed in Stampack to carry out simulations important for the manufacture of food cans that are shown via industrial

  12. Effects of Two Redispersible Polymer Powders on Efflorescence of Portland Cement-based Decorative Mortar

    Directory of Open Access Journals (Sweden)

    Huimei ZHU


    Full Text Available The effects of redispersible polymer powders of ethylene/Vinyl acetate copolymer (EVA and ethylene/vinyl laurate/vinyl chloride terpolymer (E/VL/VC on the efflorescence of Portland cement-based decorative mortar (PCBDM were studied. The results showed that EVA slightly prolongs the efflorescence duration of fresh PCBDM; and exacerbates efflorescence of hardened PCBDM, because it increases the content of soluble salts such as Ca2+, K+, Na+ ions in hardened PCBDM and promotes their migration. E/VL/VC exacerbates efflorescence of fresh PCBDM due to it easily dissolves in the surface water; but reduces efflorescence of hardened PCBDM, which is attributed to that it decreases the soluble salts content in hardened PCBDM and prohibits salts migration. DOI:

  13. Decorative design of ceramic tiles adapted to inkjet printing employing digital image processing

    International Nuclear Information System (INIS)

    Defez, B.; Santiago-Praderas, V.; Lluna, E.; Peris-Fajarnes, G.; Dunai, E.


    The ceramic tile sector is a very competitive industry. The designer's proficiency to offer new models of the decorated surface, adapted to the production means, plays a very important role in the competitiveness. In the present work, we analyze the evolution of the design process in the ceramic sector, as much as the changes experimented in parallel by the printing equipment. Afterwards, we present a new concept of ceramic design, based on digital image processing. This technique allows the generation of homogeneous and non-repetitive designs for large surfaces, especially thought for inkjet printing. With the programmed algorithms we have compiled a prototype software for the assistance of the ceramic design. This tool allows creating continuous designs for large surfaces saving developing time. (Author)

  14. Integrating Metal-Oxide-Decorated CNT Networks with a CMOS Readout in a Gas Sensor

    Directory of Open Access Journals (Sweden)

    Suhwan Kim


    Full Text Available We have implemented a tin-oxide-decorated carbon nanotube (CNT network gas sensor system on a single die. We have also demonstrated the deposition of metallic tin on the CNT network, its subsequent oxidation in air, and the improvement of the lifetime of the sensors. The fabricated array of CNT sensors contains 128 sensor cells for added redundancy and increased accuracy. The read-out integrated circuit (ROIC was combined with coarse and fine time-to-digital converters to extend its resolution in a power-efficient way. The ROIC is fabricated using a 0.35 µm CMOS process, and the whole sensor system consumes 30 mA at 5 V. The sensor system was successfully tested in the detection of ammonia gas at elevated temperatures.

  15. Visual discourse of the clove: An analysis on the Ottoman tile decoration art

    Directory of Open Access Journals (Sweden)

    Nurdan Öncel Taskiran


    Full Text Available In tile art, one of the world-famous Turkish Handicrafts, a wide variety of patterns are used on tile objects. The most common of these, after the tulip pattern, is the naturalist clove pattern. Different meanings were assigned to this pattern within the boundaries of form, color and design. Identification and perception of these meanings have a special place within the frame of the culture that they relay. In this present study the fields of meaning of the clove pattern frequently used in tile decoration arts among Turkish handicrafts were tried to be determined. By taking Greimas' Actantial Model as the theoretical model, in the study visual discourse analysis of the clove pattern will be made.Keywords: Clove Pattern, Ottoman Tile Art, Greimas, Visual Discourse.

  16. Visual Discourse of the Clove: An Analysis on the Ottoman Tile Decoration Art

    Directory of Open Access Journals (Sweden)

    Nurdan Öncel Taskiran


    Full Text Available In tile art, one of the world-famous Turkish Handicrafts, a wide variety of patterns are used on tile objects. The most common of these, after the tulip pattern, is the naturalist clove pattern. Different meanings were assigned to this pattern within the boundaries of form, color and design.  Dentification and perception of these meanings have a special place within the frame of the culture that they relay. In this present study the fields of meaning of the clove pattern frequently used in tile decoration arts among Turkish handicrafts were tried to be determined. By taking Greimas' Actantial Model as the theoretical model, in the study visual discourse analysis of the clove pattern will be made.

  17. Espacio interior: representación, ocupación, bienestar e interioridad


    Power, Jacqueline; ,


    En este artículo repasaremos el concepto de espacio según se entiende y se trabaja en la disciplina del diseño interior/arquitectura interior. En primer lugar describiremos el término "interior". A continuación analizaremos el espacio como un concepto general antes de explorar qué es concretamente el espacio para la disciplina del diseño interior/arquitectura interior. ¿Cómo se entiende el espacio¿ ¿Cómo "ven" el espacio los diseñadores de interiores/arquitectos de interiores?.

  18. Interior drains for open pit disposal of uranium mill tailings

    International Nuclear Information System (INIS)

    Staub, W.P.


    A conceptualized interior drainage system is presented for reducing the environmental impact on natural groundwater by disposal of uranium mill tailings in the mined-out open pit. The evaporation/seepage ratio can be increased through the use of interior drains, long-term monitoring of groundwater quality can be eliminated, and the open pit will not require an extensive liner. Other advantages not related to groundwater are: control of fugitive dust and radon emanation during mill operations and timely reclamation after the impoundment is filled with tailings

  19. The Interior of Black Holes and their Astrophysics


    Artemova, Yulia; Novikov, Igor


    Gravity warps space and time into a funnel and generates a black hole when a cosmic body undergoes a catastrophic collapse. What can one say about the interior of a black hole? The important point is that inside a black hole the space radial direction becomes time, and time becomes a space direction. The path into the gravitational abyss of the interior of a black hole is a progression in time. There is a peculiar region inside a black hole where some characteristics of the space-time curvatu...

  20. Hydrogen peroxide sensor: Uniformly decorated silver nanoparticles on polypyrrole for wide detection range

    Energy Technology Data Exchange (ETDEWEB)

    Nia, Pooria Moozarm, E-mail:; Meng, Woi Pei, E-mail:; Alias, Y., E-mail:


    Graphical abstract: - Highlights: • Electrochemical method was used for depositing silver nanoparticles and polypyrrole. • Silver nanoparticles (25 nm) were uniformly decorated on electrodeposited polypyrrole. • (Ag(NH{sub 3}){sub 2}OH) precursor showed better electrochemical performance than (AgNO{sub 3}). • The sensor showed superior performance toward H{sub 2}O{sub 2}. - Abstract: Electrochemically synthesized polypyrrole (PPy) decorated with silver nanoparticles (AgNPs) was prepared and used as a nonenzymatic sensor for hydrogen peroxide (H{sub 2}O{sub 2}) detection. Polypyrrole was fabricated through electrodeposition, while silver nanoparticles were deposited on polypyrrole by the same technique. The field emission scanning electron microscopy (FESEM) images showed that the electrodeposited AgNPs were aligned along the PPy uniformly and the mean particle size of AgNPs is around 25 nm. The electrocatalytic activity of AgNPs-PPy-GCE toward H{sub 2}O{sub 2} was studied using chronoamperometry and cyclic voltammetry. The first linear section was in the range of 0.1–5 mM with a limit of detection of 0.115 μmol l{sup −1} and the second linear section was raised to 120 mM with a correlation factor of 0.256 μmol l{sup −1} (S/N of 3). Moreover, the sensor presented excellent stability, selectivity, repeatability and reproducibility. These excellent performances make AgNPs-PPy/GCE an ideal nonenzymatic H{sub 2}O{sub 2} sensor.

  1. An effective substrate surface decoration to YBCO films by multiphase nanoparticles

    Energy Technology Data Exchange (ETDEWEB)

    Xu, Yan; Liu, Min, E-mail:; Suo, Hong-Li; Ye, Shuai; Wu, Zi-Ping; Mao, Lei


    Highlights: •We find a new way to solve particles agglomeration ---Multiphase codeposition. •Ce{sub 0.15}/Zr{sub 0.85}O{sub 2} can form high quality multiphase nanoparticles. •Single phase particles ZrO{sub 2} and YSZ have the same pinning performance to YBCO. •A high pinning property in YBCO films are observed from CZO decorated sample. -- Abstract: Three types of nanodots were deposited on the surface of single crystal LaAlO{sub 3}(LAO) substrates before preparing YBCO films. By comparing with different interfacial nanodots, it was found that ZrO{sub 2} and Y{sub 0.15}Zr{sub 0.85}O{sub 2} (YSZ) interfacial nanodots have a similar size, shape, and density as well as distribution so that they have a same and weaker effect on the pinning ability of the YBCO film. However, CeO{sub 2}/ZrO{sub 2} = 0.15/0.85 (CZO) has a different character with a small size, large density and uniform distribution. Especially, CZO interfacial nanodots are the most effective to enhance J{sub c} values of YBCO films in applied magnetic field. At 77 K and 3 T, the J{sub c} value of YBCO film with CZO interfacial nanodots decorating is 12 times of that of pure YBCO. A further research indicated that the high performance was due to multiphase. Besides, the advantages of multiphase nanoparticles are more prominent as increasing the applied magnetic field and temperature.

  2. Surface decoration by Spirulina polysaccharide enhances the cellular uptake and anticancer efficacy of selenium nanoparticles

    Directory of Open Access Journals (Sweden)

    Li Y


    Full Text Available Fang Yang1*, Quanming Tang1,2*, Xueyun Zhong3, Yan Bai1, Tianfeng Chen1, Yibo Zhang1, Yinghua Li1, Wenjie Zheng11Department of Chemistry, Jinan University, Guangzhou, China; 2South China Seas Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China; 3Department of Pathology, Jinan University, Guangzhou, China*These authors contributed equally to this workAbstract: A simple and solution-phase method for functionalization of selenium nanoparticles (SeNPs with Spirulina polysaccharides (SPS has been developed in the present study. The cellular uptake and anticancer activity of SPS-SeNPs were also evaluated. Monodisperse and homogeneous spherical SPS-SeNPs with diameters ranging from 20 nm to 50 nm were achieved under optimized conditions, which were stable in the solution phase for at least 3 months. SPS surface decoration significantly enhanced the cellular uptake and cytotoxicity of SeNPs toward several human cancer cell lines. A375 human melanoma cells were found extremely susceptible to SPS-SeNPs with half maximal (50% inhibitory concentration value of 7.94 µM. Investigation of the underlying mechanisms revealed that SPS-SeNPs inhibited cancer cell growth through induction of apoptosis, as evidenced by an increase in sub-G1 cell population, deoxyribonucleic acid fragmentation, chromatin condensation, and phosphatidylserine translocation. Results suggest that the strategy to use SPS as a surface decorator could be an effective way to enhance the cellular uptake and anticancer efficacy of nanomaterials. SPS-SeNPs may be a potential candidate for further evaluation as a chemopreventive and chemotherapeutic agent against human cancers.Keywords: selenium nanoparticles, Spirulina polysaccharide, cellular uptake, anticancer, apoptosis

  3. Improving g-C3N4 photocatalysis for NOx removal by Ag nanoparticles decoration

    International Nuclear Information System (INIS)

    Sun, Yanjuan; Xiong, Ting; Ni, Zilin; Liu, Jie; Dong, Fan; Zhang, Wei; Ho, Wing-Kei


    Graphical abstract: Ag/g-C 3 N 4 nanocomposites were prepared via a facile method for enhanced photocatalytic NO x removal due to surface plasmon resonance of Ag. - Highlights: • The Ag/g-C 3 N 4 nanocomposites were prepared using urea as the precursor. • The Ag/g-C 3 N 4 nanocomposites were applied in removal of NO x in air. • The Ag nanoparticles enhanced the photocatalytic activity of g-C 3 N 4 . • The surface plasmon resonance of Ag played a key role in photocatalysis. - Abstract: In order to overcome the intrinsic drawback of pristine g-C 3 N 4 , we prepared g-C 3 N 4 nanosheets with enhanced photocatalytic performance by Ag nanoparticles decoration using urea as the precursor. It was revealed that the monodispersed Ag nanoparticles were deposited on the surface of g-C 3 N 4 nanosheets. The Ag/g-C 3 N 4 nanocomposites were applied in removal of NO x in air under visible light irradiation. The results showed that the decoration of Ag nanoparticles not only enhanced the photocatalytic activity of g-C 3 N 4 nanosheets, but also benefited the oxidation of NO to final products. The increased visible light absorption arising from the surface plasmon resonance of Ag and improved separation and transfer of photoinduced carriers over Ag/g-C 3 N 4 composites were demonstrated by the UV–vis diffuse reflectance spectra and photoluminescence spectra, respectively. It was therefore proposed that the enhanced photocatalytic activity of Ag/g-C 3 N 4 composites could be attributed to the extended light response range and enhanced charge separation due to the introduction of Ag nanoparticles.

  4. Noble metals decorated hierarchical maghemite magnetic tubes as an efficient recyclable catalyst. (United States)

    Purbia, Rahul; Paria, Santanu


    The noble metal nanocatalysts on high surface area magnetic material supports have huge technological importance in the field of catalysis. The green synthesis of magnetic-noble metal hybrid material has another technological importance. In this study, we report a novel, efficient, and sustainable synthesis methodology for Au nanoparticles (NPs) deposited hierarchical magnetic maghemite (γ-Fe 2 O 3 ) tubes. In this methodology, the green tea extract was used as a reducing agent for both iron oxide and Au NPs synthesis. The natural cotton fibers were used as a sacrificial template to obtain porous and high surface area (90m 2 /g) magnetic γ-Fe 2 O 3 tubes. Further, the Au NPs (7±2nm) were in situ deposited onto the tubes surface after reduction of Au salt by green tea extract. The XPS spectra was confirmed the presence of negatively charged Au on the iron oxide supports due to charge transfer process and strong metal-support material electronic interaction. The Au NPs decorated γ-Fe 2 O 3 tubes were possessed 18emu/g saturation magnetization at room temperature which is large enough for the magnetic separation. The synthesized material was showed very good catalytic activity for the hydrogenation reaction of 4-nitrophenol to aminophenol conversion. As the catalyst has very good magnetic property, the reusability of catalyst was checked after magnetic separation and found only 0.29% reduction in catalytic activity after the sixth cycle. Further, the Ag and Pd NPs decorated γ-Fe 2 O 3 tubes were also synthesized and tested for the same catalytic reaction and found the highest activity for Pd. Copyright © 2017 Elsevier Inc. All rights reserved.

  5. Sequence charge decoration dictates coil-globule transition in intrinsically disordered proteins (United States)

    Firman, Taylor; Ghosh, Kingshuk


    We present an analytical theory to compute conformations of heteropolymers—applicable to describe disordered proteins—as a function of temperature and charge sequence. The theory describes coil-globule transition for a given protein sequence when temperature is varied and has been benchmarked against the all-atom Monte Carlo simulation (using CAMPARI) of intrinsically disordered proteins (IDPs). In addition, the model quantitatively shows how subtle alterations of charge placement in the primary sequence—while maintaining the same charge composition—can lead to significant changes in conformation, even as drastic as a coil (swelled above a purely random coil) to globule (collapsed below a random coil) and vice versa. The theory provides insights on how to control (enhance or suppress) these changes by tuning the temperature (or solution condition) and charge decoration. As an application, we predict the distribution of conformations (at room temperature) of all naturally occurring IDPs in the DisProt database and notice significant size variation even among IDPs with a similar composition of positive and negative charges. Based on this, we provide a new diagram-of-states delineating the sequence-conformation relation for proteins in the DisProt database. Next, we study the effect of post-translational modification, e.g., phosphorylation, on IDP conformations. Modifications as little as two-site phosphorylation can significantly alter the size of an IDP with everything else being constant (temperature, salt concentration, etc.). However, not all possible modification sites have the same effect on protein conformations; there are certain "hot spots" that can cause maximal change in conformation. The location of these "hot spots" in the parent sequence can readily be identified by using a sequence charge decoration metric originally introduced by Sawle and Ghosh. The ability of our model to predict conformations (both expanded and collapsed states) of IDPs at

  6. Decorative carving in Chapter-House of Dominican Monastery in Cracow

    Directory of Open Access Journals (Sweden)

    Marek Walczak


    Full Text Available The history of the chapter house of the Dominican Friars in Cracow is not known in greater detail. Only two medieval documents with a mention of it are known. In in capitulo fratrum ordinis Praedicatorum Cracoviae of 1244 an endowment for the Cistercian monastery in Mogiła was confirmed. In Cracovie in capitulo fratrum predicatorum of 1306 the purchase of land in Dąbie, near Cracow, was certified. Marcin Szyma estimated that these notes cannot be ascribed to one building, which means that there were two gathering places for monks, one built after the other. Szyma locates the oldest chapter-house in the site of today’s sacristy and links it with a brick wall with a biforium window and portal remains, found in the western wall of the building. The older record marks terminus ante quern, and comparative chronology and analysis of style point to 1240s as the date of extension of the house. A new chapter house was built in Szyma’s assessment at the end of that century, and certainly before 1306. The building has fairly rich decorative carving, infrequently mentioned in historical records. The portal in the western wall of the chapter house has had three preserved, if tumbledown, consoles carved in yellowish, fine-grained sandstone. The closest analogies to these decorations are to be found in edifices built for the last members of the Premyslids dynasty, especially for king Premyslav Otokar II in the third quarter of the 13th century. In works connected with the “Premyslids building school” compact, block-like shapes of caps, ‘coated’ with tiny leaves and decorative ‘crowns’ at rib base were fairly common. Consoles in a portal of the oldest fragment of Śpilberk in Brno or chapels in the castles in Bezdez, Horsovsky Tyn, Zvikov and Buchlov are of special importance for these considerations. Czech examples most often employ a variety of flora, yet, even here, in the portal caps of the monastery in Hradiśte on Jizerou (ca 1260 we

  7. A smartphone photogrammetry method for digitizing prosthetic socket interiors. (United States)

    Hernandez, Amaia; Lemaire, Edward


    Prosthetic CAD/CAM systems require accurate 3D limb models; however, difficulties arise when working from the person's socket since current 3D scanners have difficulties scanning socket interiors. While dedicated scanners exist, they are expensive and the cost may be prohibitive for a limited number of scans per year. A low-cost and accessible photogrammetry method for socket interior digitization is proposed, using a smartphone camera and cloud-based photogrammetry services. 15 two-dimensional images of the socket's interior are captured using a smartphone camera. A 3D model is generated using cloud-based software. Linear measurements were comparing between sockets and the related 3D models. 3D reconstruction accuracy averaged 2.6 ± 2.0 mm and 0.086 ± 0.078 L, which was less accurate than models obtained by high quality 3D scanners. However, this method would provide a viable 3D digital socket reproduction that is accessible and low-cost, after processing in prosthetic CAD software. Clinical relevance The described method provides a low-cost and accessible means to digitize a socket interior for use in prosthetic CAD/CAM systems, employing a smartphone camera and cloud-based photogrammetry software.

  8. Maximum power per VA control of vector controlled interior ...

    Indian Academy of Sciences (India)

    Thakur Sumeet Singh


    Apr 11, 2018 ... Abstract. Maximum Torque Per Ampere is the commonly used technique for operating interior permanent magnet (IPM) motor while little work is reported towards maximum power-factor operation i.e., Maximum. Power Per Volt-Ampere (MPVA). The MPVA operation allows maximum-utilization of the ...

  9. Simplified current minimization control of vector controlled Interior ...

    Indian Academy of Sciences (India)

    Thakur Sumeet Singh


    Apr 12, 2018 ... 1. Introduction. Recent advancements in the field of permanent magnets have enabled design of efficient permanent magnet motors. When compared to the surface mounted counterpart, the. Interior Permanent Magnet (IPM) motor have higher power density and facilitate operation in deep-field weakening.

  10. Resonant inverter supplied Interior Permanent Magnet (IPM) motor ...

    African Journals Online (AJOL)

    In this paper, rotor position in relation to the resonant frequency component current in the stator winding of DC-voltage link resonant inverter supplied Interior Permanent Magnet (IPM) motor has been developed. Six reference frames are used to relate the rotor position angle to the resonant frequency component current ...

  11. Interior Point Methods for Large-Scale Nonlinear Programming

    Czech Academy of Sciences Publication Activity Database

    Lukšan, Ladislav; Matonoha, Ctirad; Vlček, Jan


    Roč. 20, č. 4-5 (2005), s. 569-582 ISSN 1055-6788 R&D Projects: GA AV ČR IAA1030405 Institutional research plan: CEZ:AV0Z10300504 Keywords : nonlinear programming * interior point methods * KKT systems * indefinite preconditioners * filter methods * algorithms Subject RIV: BA - General Mathematics Impact factor: 0.477, year: 2005

  12. Primal-Dual Interior Point Multigrid Method for Topology Optimization

    Czech Academy of Sciences Publication Activity Database

    Kočvara, Michal; Mohammed, S.


    Roč. 38, č. 5 (2016), B685-B709 ISSN 1064-8275 Grant - others:European Commission - EC(XE) 313781 Institutional support: RVO:67985556 Keywords : topology optimization * multigrid method s * interior point method Subject RIV: BA - General Mathematics Impact factor: 2.195, year: 2016

  13. Fire, climate change, and forest resilience in interior Alaska (United States)

    Jill F. Johnstone; F. Stuart Chapin; Teresa N. Hollingsworth; Michelle C. Mack; Vladimir Romanovsky; Merritt Turetsky


    In the boreal forests of interior Alaska, feedbacks that link forest soils, fire characteristics, and plant traits have supported stable cycles of forest succession for the past 6000 years. This high resilience of forest stands to fire disturbance is supported by two interrelated feedback cycles: (i) interactions among disturbance regime and plant-soil-microbial...

  14. The Neutron star Interior Composition Explorer (NICER): design and development

    DEFF Research Database (Denmark)

    Gendreau, Keith C.; Arzoumanian, Zaven; Adkins, Phillip W.


    During 2014 and 2015, NASA's Neutron star Interior Composition Explorer (NICER) mission proceeded successfully through Phase C, Design and Development. An X-ray (0.2-12 keV) astrophysics payload destined for the International Space Station, NICER is manifested for launch in early 2017 on the Comm...

  15. Woody debris dynamics in Interior West forests and woodlands (United States)

    John D. Shaw; James Long; Raffaella Marzano; Matteo Garbarino


    Managers are interested in the dynamics of down woody material because of its role as a fuel component, a feature of wildlife habitat, a carbon pool, and other characteristics. We analyzed nearly 9,000 plots from the Interior West, spanning the range from sparse juniper and mesquite woodland to dense spruce-fir forests, in order to characterize down woody material as...

  16. Generators with interior degeneracy on spaces of L^2 type

    Directory of Open Access Journals (Sweden)

    Genni Fragnelli


    Full Text Available We consider operators in divergence and in nondivergence form with degeneracy at the interior of the space domain. Characterizing the domain of the operators, we prove that they generate positive analytic semigroups on spaces of L^2 type. Finally, some applications to linear and semilinear parabolic evolution problems and to linear hyperbolic ones are presented.

  17. NASTRAN application for the prediction of aircraft interior noise (United States)

    Marulo, Francesco; Beyer, Todd B.


    The application of a structural-acoustic analogy within the NASTRAN finite element program for the prediction of aircraft interior noise is presented. Some refinements of the method, which reduce the amount of computation required for large, complex structures, are discussed. Also, further improvements are proposed and preliminary comparisons with structural and acoustic modal data obtained for a large, composite cylinder are presented.

  18. Science and ecosystem management in the interior Columbia basin. (United States)

    Richard W. Haynes; Thomas M. Quigley; Jodi L. Clifford; Rebecca A. Gravenmier


    Significant changes over the past 150 years in aquatic, terrestrial, landscape, and socioeconomic systems have altered biophysical systems in the interior Columbia basin. Changes and conflict in public policy concerns, such as resource use vs. restoration vs. conservation are especially evident in more than 34% of total forest and rangeland in the United States that...

  19. Possibilities to improve the aircraft interior comfort experience

    NARCIS (Netherlands)

    Vink, P.; Bazley, C.; Kamp, I.; Blok, M.


    Comfort plays an increasingly important role in the interior design of airplanes. Although ample research has been conducted on airplane design technology, only a small amount of public scientific information is available addressing the passenger's opinion. In this study, more than 10,000 internet

  20. Full-step interior-point methods for symmetric optimization

    NARCIS (Netherlands)

    Gu, G.


    In [SIAM J. Optim., 16(4):1110--1136 (electronic), 2006] Roos proposed a full-Newton step Infeasible Interior-Point Method (IIPM) for Linear Optimization (LO). It is a primal-dual homotopy method; it differs from the classical IIPMs in that it uses only full steps. This means that no line searches

  1. Temporal Variation of Large Scale Flows in the Solar Interior ...

    Indian Academy of Sciences (India)


    Temporal Variation of Large Scale Flows in the Solar Interior. 355. Figure 2. Zonal and meridional components of the time-dependent residual velocity at a few selected depths as marked above each panel, are plotted as contours of constant velocity in the longitude-latitude plane. The left panels show the zonal component, ...

  2. 14 CFR 135.170 - Materials for compartment interiors. (United States)


    ... 26, 1984. (c) Thermal/acoustic insulation materials. For transport category airplanes type... manufactured after September 2, 2005, thermal/acoustic insulation materials installed in the fuselage must meet... 14 Aeronautics and Space 3 2010-01-01 2010-01-01 false Materials for compartment interiors. 135...

  3. Interior design of a two-dimensional semiclassical black hole

    International Nuclear Information System (INIS)

    Levanony, Dana; Ori, Amos


    We look into the inner structure of a two-dimensional dilatonic evaporating black hole. We establish and employ the homogenous approximation for the black-hole interior. Two kinds of spacelike singularities are found inside the black hole, and their structure is investigated. We also study the evolution of spacetime from the horizon to the singularity.

  4. Emergency evacuation : how better interior design can improve passenger flow

    NARCIS (Netherlands)

    Boer, L.C.; Skjong, R.


    The paper presents some conclusions from the EU basic research project "MEPdesign" relevant for design of ship interiors. The findings are discussed with regard to passenger flow as a function of design parameters. The paper explains that current evacuation analyses may be overly optimistic. The

  5. The Attitudes of Interior Design Students towards Sustainability (United States)

    Ruff, Caimen Leigh; Olson, Margot A.


    To measure attitudes toward environmental issues, interior design students responded to a four-part survey: demographics, ecology, sustainability, and comments. The ecology section was composed of modifications of questions from the New Ecological Paradigm Scale (Dunlap et al. "Journal of Environmental Education," 9:10-19, 2000). The researchers…

  6. Service-Learning and Interior Design: A Case Study (United States)

    Sterling, Mary


    The case study approach was used to analyze experiential learning through its three components: knowledge, action, and reflection. Two interior design courses were integrated through a university service-learning project. The restoration/adaptive reuse of a 95-year-old library building was to serve as a prototype for future off-campus…

  7. Improving FCS Accountability: Increasing STEM Awareness with Interior Design Modules (United States)

    Etheredge, Jessica; Moody, Dana; Cooper, Ashley


    This paper demonstrates ways in which family and consumer sciences (FCS) educators can explore more opportunities to integrate Science, Technology, Engineering, and Math (STEM) principles into secondary education curriculum. Interior design is used as a case study for creating learning modules that incorporate STEM principles in a creative and…

  8. Group Dynamics in the Interior Design Studio: Student Perceptions (United States)

    Hill, Caroline


    This article presents the findings of a study measuring the classroom climates in collegiate interior design studios and considers these findings within the group dynamics theory framework. Three groups of students completed the College Classroom Environment Scales (CCES) questionnaire. Five of the six CCES subscale F ratios were statistically…

  9. Perceptions of Interior Design Program Chairs Regarding Credentials for Faculty (United States)

    Miller, Beth R.


    The purpose of this study was to determine whether program chairs in interior design have a preferred degree credential for candidates seeking a full-time, tenure-track position or other full-time position at their institution and to determine if there is a correlation between this preference and the program chair's university's demographics,…

  10. Group Projects in Interior Design Studio Classes: Peer Feedback Benefits (United States)

    Jurado, Juan A.


    Group projects have been shown to be effective for providing peer feedback in classrooms. While students in regular enrollment classes benefit from peer feedback, low-enrollment classes face many challenges. This study compares peer feedback effectiveness between two interior design studio classes with different design projects. In one class,…

  11. Interior design of a two-dimensional semiclassical black hole (United States)

    Levanony, Dana; Ori, Amos


    We look into the inner structure of a two-dimensional dilatonic evaporating black hole. We establish and employ the homogenous approximation for the black-hole interior. Two kinds of spacelike singularities are found inside the black hole, and their structure is investigated. We also study the evolution of spacetime from the horizon to the singularity.

  12. Exploring the Effectiveness of Blended Learning in Interior Design Education (United States)

    Afacan, Yasemin


    This study explores how blended learning can contribute to interior design students' learning outcomes, their engagement with non-studio courses and affect their learning achievements. Within the framework of the study, a blended learning experience was carried out in "IAED 342 Building Performance" module at Bilkent University, Turkey.…

  13. U-CrAc Flexible Interior Doctrine, Agile Learning Environments

    DEFF Research Database (Denmark)

    Poulsen, Søren Bolvig; Rosenstand, Claus Andreas Foss


    The research domain of this article is flexible learning environment for immediate use. The research question is: How can the learning environment support an agile learning process? The research contribution of this article is a flexible interior doctrine. The research method is action research...

  14. The Integration of Interior Architecture Education with Digital Design Approaches (United States)

    Yazicioglu, Deniz Ayse


    It is inevitable that as a result of progress in technology and the changes in the ways with which design is conceived, interior architecture schools should be updated according to these requirements and that new educational processes should be tried out. It is for this reason that the scope and aim of this study have been determined as being the…

  15. Computer-assisted ergonomic analysis for vehicle interior design

    NARCIS (Netherlands)

    Punte, P.A.J.; Oudenhuijzen, A.J.K.


    TNO Human Factors is involved in the process of designing and testing a new concept for driver workplaces in passenger cars, i.e. with a horizontally fixed driver seat and adjustable pedals, steering wheel and instrument panel. This new concept is intended to achieve an interior space and

  16. Interior Lighting Campaign Adds Luminaire Categories; Announces 2018 Recognition Event

    Energy Technology Data Exchange (ETDEWEB)

    Sandahl, Linda J.; Myer, Michael


    This article will be published in the November issue of the International Facility Management Association's sustainability newsletter. The article both informs facility managers of the Interior Lighting Campaign, and invites them to participate. Highlights include the new types of lamps recently included along with program details.

  17. Research on the Interior Sound Quality in Hybrid Electric Vehicle

    Directory of Open Access Journals (Sweden)

    Liao Lian Ying


    Full Text Available Even the overall level of vehicle interior noise of hybrid electric vehicle (HEV reduced to a certain degree, the vibration and noise generated by the engine, motor, generator and power split have made greater effect on the vehicle interior sound quality in HEV. In order to research the feature of vehicle interior sound quality in HEV, the HEV is used to be the research object, the binaural noise sample of the driver when playing different kinds of music in the vehicle with the speed of sixty kilometers per hour is collected. ArtemiS is used to conduct frequency division processing, so as to obtain the relative weight of each frequency band and the overall noise. The tone, roughness and sharpness of sound quality subjective evaluation parameters are quantified, the SPSS is used to establish the linear regression model of the sample, and the best masking music tracks are found out. Then, the sound samples that contains the best music tracks and the simple vehicle interior noise are re-collected, the regression model and ArtemiS are used to predict the subjective evaluation value. The research results show that when adding the music, the tone degree rises and the lowering degree decreases, thus the disturbing degree reduces, which significantly improves the sound quality in the HEV.

  18. Technical Drafting and Mental Visualization in Interior Architecture Education (United States)

    Arslan, Ali Riza; Dazkir, Sibel Seda


    We explored how beginning-level interior architecture students develop skills to create mental visualizations of three-dimensional objects and environments, how they develop their technical drawing skills, and whether or not physical and computer generated models aid this design process. We used interviews and observations to collect data. The…

  19. 77 FR 45650 - Interior Fire Program Assessment 2012 (United States)


    ... the Interior, Environment, and Related Agencies Appropriation Bill for fiscal year 2012, the House of... management services in support of the Departmental and bureau missions and to better direct scarce resources... been conducted as they are a major partner in the Federal wildland fire management program. On June 19...

  20. Course in Carpentry: Interior Finish. Workbook and Tests. (United States)

    Strazicich, Mirko, Ed.

    Designed for use in carpentry apprenticeship classes, this workbook contains nine units on carpentry skills in the area of interior finish, lists of recommended and required instructional materials, and nine unit tests. Each instructional unit includes a listing of performance statements and text covering skills addressed in individual performance…