WorldWideScience

Sample records for net energy myths

  1. Zero Net Energy Myths and Modes of Thought

    Energy Technology Data Exchange (ETDEWEB)

    Rajkovich, Nicholas B.; Diamond, Rick; Burke, Bill

    2010-09-20

    The U.S. Department of Energy (DOE), the California Public Utilities Commission (CPUC), and a number of professional organizations have established a target of zero net energy (ZNE) in buildings by 2030. One definition of ZNE is a building with greatly reduced needs for energy through efficiency gains with the balance of energy needs supplied by renewable technologies. The push to ZNE is a response to research indicating that atmospheric concentrations of greenhouse gases have increased sharply since the eighteenth century, resulting in a gradual warming of the Earth?s climate. A review of ZNE policies reveals that the organizations involved frame the ZNE issue in diverse ways, resulting in a wide variety of myths and a divergent set of epistemologies. With federal and state money poised to promote ZNE, it is timely to investigate how epistemologies, meaning a belief system by which we take facts and convert them into knowledge upon which to take action, and the propagation of myths might affect the outcome of a ZNE program. This paper outlines myths commonly discussed in the energy efficiency and renewable energy communities related to ZNE and describes how each myth is a different way of expressing"the truth." The paper continues by reviewing a number of epistemologies common to energy planning, and concludes that the organizations involved in ZNE should work together to create a"collaborative rationality" for ZNE. Through this collaborative framework it is argued that we may be able to achieve the ZNE and greenhouse gas mitigation targets.

  2. Myths about Energy in Schools.

    Science.gov (United States)

    Department of Energy, Washington, DC. Office of Energy Efficiency and Renewable Energy.

    This publication from the EnergySmart Schools initiative, a program that focuses on improving communities nationwide through energy-saving solutions, examines some myths and misconceptions about energy in schools and provides facts that can help school districts make smarter energy choices. The myths discussed are: (1) energy isn't a major budget…

  3. Revealing myths about people, energy and buildings

    Energy Technology Data Exchange (ETDEWEB)

    Diamond, R.; Moezzi, M.

    2000-05-01

    In this essay we take a closer look at some energy myths, focusing on the ways energy professionals and the public alike, talk, write and teach about how energy affects the way in which we design, operate, retrofit and inhabit buildings. What myths about people, energy and buildings are current today? Who tells these myths and why do we believe them? How do myths affect our behavior? Myths are a way of understanding the world we live in. They may represent incomplete understanding, or be based on premises that are scientifically not valid, but they help us understand and explain how the world works, and we shape our behavior accordingly.

  4. Net Zero Energy Buildings

    DEFF Research Database (Denmark)

    Marszal, Anna Joanna; Bourrelle, Julien S.; Musall, Eike

    2010-01-01

    and identify possible renewable energy supply options which may be considered in calculations. Finally, the gap between the methodology proposed by each organisation and their respective national building code is assessed; providing an overview of the possible changes building codes will need to undergo......The international cooperation project IEA SHC Task 40 / ECBCS Annex 52 “Towards Net Zero Energy Solar Buildings”, attempts to develop a common understanding and to set up the basis for an international definition framework of Net Zero Energy Buildings (Net ZEBs). The understanding of such buildings...... parameters used in the calculations are discussed and the various renewable supply options considered in the methodologies are summarised graphically. Thus, the paper helps to understand different existing approaches to calculate energy balance in Net ZEBs, highlights the importance of variables selection...

  5. Understanding Net Zero Energy Buildings

    DEFF Research Database (Denmark)

    Salom, Jaume; Widén, Joakim; Candanedo, José

    2011-01-01

    Although several alternative definitions exist, a Net-Zero Energy Building (Net ZEB) can be succinctly described as a grid-connected building that generates as much energy as it uses over a year. The “net-zero” balance is attained by applying energy conservation and efficiency measures...... and by incorporating renewable energy systems. While based on annual balances, a complete description of a Net ZEB requires examining the system at smaller time-scales. This assessment should address: (a) the relationship between power generation and building loads and (b) the resulting interaction with the power grid....... This paper presents and categorizes quantitative indicators suitable to describe both aspects of the building’s performance. These indicators, named LMGI - Load Matching and Grid Interaction indicators, are easily quantifiable and could complement the output variables of existing building simulation tools...

  6. NASA Net Zero Energy Buildings Roadmap

    Energy Technology Data Exchange (ETDEWEB)

    Pless, S.; Scheib, J.; Torcellini, P.; Hendron, B.; Slovensky, M.

    2014-10-01

    In preparation for the time-phased net zero energy requirement for new federal buildings starting in 2020, set forth in Executive Order 13514, NASA requested that the National Renewable Energy Laboratory (NREL) to develop a roadmap for NASA's compliance. NASA detailed a Statement of Work that requested information on strategic, organizational, and tactical aspects of net zero energy buildings. In response, this document presents a high-level approach to net zero energy planning, design, construction, and operations, based on NREL's first-hand experience procuring net zero energy construction, and based on NREL and other industry research on net zero energy feasibility. The strategic approach to net zero energy starts with an interpretation of the executive order language relating to net zero energy. Specifically, this roadmap defines a net zero energy acquisition process as one that sets an aggressive energy use intensity goal for the building in project planning, meets the reduced demand goal through energy efficiency strategies and technologies, then adds renewable energy in a prioritized manner, using building-associated, emission- free sources first, to offset the annual energy use required at the building; the net zero energy process extends through the life of the building, requiring a balance of energy use and production in each calendar year.

  7. Defining net zero energy buildings

    CSIR Research Space (South Africa)

    Jonker Klunne, W

    2013-01-01

    Full Text Available Worldwide increasing attention to energy consumption and associated environmental impacts thereof has resulted in a critical attitude towards energy usage of building. Increasing costs of energy and dependence on energy service providers add...

  8. Energy performance of windows based on the net energy gain

    DEFF Research Database (Denmark)

    Svendsen, Svend; Kragh, Jesper; Laustsen, Jacob Birck

    2005-01-01

    The paper presents a new method to set up energy performance requirements and energy classes for windows of all dimensions and configurations. The net energy gain of windows is the solar gain minus the heat loss integrated over the heating season. The net energy gain can be calculated for one...... orientation or averaged over different orientations. The averaged value may be used for energy labeling of windows of standard size. Requirements in building codes may also be based on the net energy gain instead of the thermal transmittance of the window. The size and the configuration of the window, i.......e. number of glazing units, have a very large effect on the net energy gain. Therefore the energy labeling or the requirements based on the standard size may not give valid information on the energy performance of windows of non-standard size. The paper presents a method to set up requirements and classes...

  9. Net-Zero Energy Technical Shelter

    DEFF Research Database (Denmark)

    Zhang, Chen; Heiselberg, Per; Jensen, Rasmus Lund

    2014-01-01

    Technical shelters are the basic structures for storing electronic and technical equipment, and commonly used for telecommunication base station, windmill, gas station, etc. Due to their high internal heat load density and special operation schedule, they consume more energy than normal residential...... or commercial buildings. On the other hand, it is a big challenge to power the technical shelter in remote area where the grids are either not available or the expansion of grid is expensive. In order to minimize the energy consumption and obtain a reliable and cost-efficient power solution for technical...... shelter, this study will apply the net-zero energy concept into the technical shelter design. The energy conservation can be achieved by proper design of building envelop and optimization of the cooling strategies. Both experiments and numerical simulations are carried out to investigate the indoor...

  10. Energy balance framework for Net Zero Energy buildings

    Science.gov (United States)

    Approaching a Net Zero Energy (NZE) building goal based on current definitions is flawed for two principal reasons - they only deal with energy quantities required for operations, and they do not establish a threshold, which ensures that buildings are optimized for reduced consum...

  11. A Conversation on Zero Net Energy Buildings

    Energy Technology Data Exchange (ETDEWEB)

    Eley, Charles; Gupta, Smita; Torcellini, Paul; Mchugh, Jon; Liu, Bing; Higgins, Cathy; Iplikci, Jessica; Rosenberg, Michael I.

    2017-06-30

    The submitted Roundtable discussion covers zero net energy (ZNE) buildings and their expansion into the market as a more widely adopted approach for various building types and sizes. However, the market is still small, and this discussion brings together distinguished researchers, designers, policy makers, and program administrations to represent the key factors making ZNE building more widespread and mainstream from a broad perspective, including governments, utilities, energy-efficiency research institutes, and building owners. This roundtable was conducted by the ASHRAE Journal with Bing Liu, P.E., Member ASHRAE, Charles Eley, FAIA, P.E., Member ASHRAE; Smita Gupta, Itron; Cathy Higgins, New Buildings Institute; Jessica Iplikci, Energy Trust of Oregon; Jon McHugh, P.E., Member ASHRAE; Michael Rosenberg, Member ASHRAE; and Paul Torcellini, Ph.D., P.E., NREL.

  12. A Conversation on Zero Net Energy Buildings

    Energy Technology Data Exchange (ETDEWEB)

    Torcellini, Paul A [National Renewable Energy Laboratory (NREL), Golden, CO (United States); Eley, Charles [Consultant; Gupta, Smita [Itron; McHugh, Jon [McHugh Energy Consultants; Lui, Bing [Pacific Northwest National Laboratory; Higgins, Cathy [New Buildings Institute; Iplikci, Jessica [Energy Trust of Oregon; Rosenberg, Michael [Pacific Northwest National Laboratory

    2017-06-01

    Recently, zero net energy (ZNE) buildings have moved from state-of-the-art small project demonstrations to a more widely adopted approach across the country among various building types and sizes. States such as California set policy goals of all new residential construction to be NZE by 2020 and all commercial buildings to be NZE by 2030. However, the market for designing, constructing, and operating ZNE buildings is still relatively small. We bring together distinguished experts to share their thoughts on making ZNE buildings more widespread and mainstream from a broad perspective, including governments, utilities, energy-efficiency research institutes, and building owners. This conversation also presents the benefits of ZNE and ways to achieve that goal in the design and operation of buildings. The following is a roundtable conducted by ASHRAE Journal and Bing Liu with Charles Eley, Smita Gupta, Cathy Higgins, Jessica Iplikci, Jon McHugh, Michael Rosenberg, and Paul Torcellini.

  13. Army Net Zero Prove Out. Net Zero Energy Best Practices

    Science.gov (United States)

    2014-11-18

    energy which is then used to drive a heat engine to generate electrical power. Geothermal Power – These systems use thermal energy generated and...stored in the earth as a generating source for electricity. Several pilot installations are investigating this technology by conducting geothermal ...concentrate solar thermal energy which is then used to drive a heat engine to generate electrical power. • Geothermal Power - These systems use thermal energy

  14. Energy performance of net-zero and near net-zero energy homes in New England

    Science.gov (United States)

    Thomas, Walter D.

    Net-Zero Energy Homes (NZEHs) are homes that consume no more energy than they produce on site during the course of a year. They are well insulated and sealed, use energy efficient appliances, lighting, and mechanical equipment, are designed to maximize the benefits from day lighting, and most often use a combination of solar hot water, passive solar and photovoltaic (PV) panels to produce their on-site energy. To date, NZEHs make up a miniscule percentage of homes in the United States, and of those, few have had their actual performance measured and analyzed once built and occupied. This research focused on 19 NZEHs and near net-zero energy homes (NNZEHs) built in New England. This set of homes had varying designs, numbers of occupants, and installed technologies for energy production, space heating and cooling, and domestic hot water systems. The author worked with participating homeowners to collect construction and systems specifications, occupancy information, and twelve months of energy consumption, production and cost measurements, in order to determine whether the homes reached their respective energy performance design goals. The author found that six out of ten NZEHs achieved net-zero energy or better, while all nine of the NNZEHs achieved an energy density (kWh/ft 2/person) at least half as low as the control house, also built in New England. The median construction cost for the 19 homes was 155/ft 2 vs. 110/ft2 for the US average, their average monthly energy cost was 84% below the average for homes in New England, and their estimated CO2 emissions averaged 90% below estimated CO2 emissions from the control house. Measured energy consumption averaged 14% below predictions for the NZEHs and 38% above predictions for the NNZEHs, while generated energy was within +/- 10% of predicted for 17 out of 18 on-site PV systems. Based on these results, the author concludes that these types of homes can meet or exceed their designed energy performance (depending on

  15. Fermentative biohydrogen production: Evaluation of net energy gain

    Energy Technology Data Exchange (ETDEWEB)

    Perera, Karnayakage Rasika J.; Ketheesan, Balachandran; Nirmalakhandan, Nagamany [Civil Engineering Department, New Mexico State University, Las Cruces, NM 88011 (United States); Gadhamshetty, Venkataramana [Civil and Environmental Engineering Dept., Rensselaer Polytechnic Institute, Troy, NY 12180 (United States)

    2010-11-15

    Most dark fermentation (DF) studies had resorted to above-ambient temperatures to maximize hydrogen yield, without due consideration of the net energy gain. In this study, literature data on fermentative hydrogen production from glucose, sucrose, and organic wastes were compiled to evaluate the benefit of higher fermentation temperatures in terms of net energy gain. This evaluation showed that the improvement in hydrogen yield at higher temperatures is not justified as the net energy gain not only declined with increase of temperature, but also was mostly negative when the fermentation temperature exceeded 25 C. To maximize the net energy gain of DF, the following two options for recovering additional energy from the end products and to determine the optimal fermentation temperature were evaluated: methane production via anaerobic digestion (AD); and direct electricity production via microbial fuel cells (MFC). Based on net energy gain, it is concluded that DF has to be operated at near-ambient temperatures for the net energy gain to be positive; and DF + MFC can result in higher net energy gain at any temperature than DF or DF + AD. (author)

  16. Net energy evaluation of feeds and determination of net energy requirements for pigs

    Directory of Open Access Journals (Sweden)

    Jean Noblet

    2007-07-01

    Full Text Available Feeds for pigs can be attributed different energy values according to, first, the step considered in energy utilization (DE: digestible energy, ME: metabolizable energy and NE: net energy and, second, the method used for estimation at each step. Reference methods for evaluating DE content are based on in vivo digestibility measurements; indirect estimates of DE values are obtained from in vitro methods or prediction equations based on chemical characteristics. Methods have also been proposed for estimating urinary energy (and gas energy to a smaller extent in order to calculate ME content from DE value. The NE values originate from energy balance studies (slaughter methods or, more commonly, indirect calorimetry measurements in respiration chambers and their compilation allows the calculation of NE prediction equations based on digestible nutrient contents or DE or ME contents. Such equations are applicable to both ingredients and compound feeds. They may differ between origins according to the fractionation method of organic matter or assumptions such as the NE requirement for maintenance (or fasting heat production. These measurements represent the bases for establishment of energy values in feeding tables. Results indicate that energy digestibility of feeds is negatively affected by dietary fibre content but this negative effect is attenuated with body weight increase, which suggests that feeds should be attributed DE values according to pig BW; in practice, at least two different DE values, one for growing-finishing pigs and one for mature pigs (reproductive sows, are recommended. The energy digestibility of pig feeds can also be affected by feed processing (pelletting, extrusion, etc.. Efficiency of ME utilization for NE averages 74-75% for conventional pig diets but it is directly dependent on diet chemical composition with efficiencies higher for ME from fat (90% or starch (82% than from protein or dietary fibre (60%. The hierarchy

  17. Load Matching and Grid Interaction of Net Zero Energy Buildings

    DEFF Research Database (Denmark)

    Voss, Karsten; Sartori, Igor; Napolitano, Assunta

    2010-01-01

    of seasonal energy storage on-site. Even though the wording “Net Zero Energy Building” focuses on the annual energy balance, large differences may occur between solution sets in the amount of grid interaction needed to reach the goal. The paper reports on the analysis of example buildings concerning the load...... matching and grid interaction. Indices to describe both issues are proposed and foreseen as part of a harmonized definition framework. The work is part of subtask A of the IEA SHCP Task40/ECBCS Annex 52: “Towards Net Zero Energy Solar Buildings”.......“Net Zero Energy Building” has become a prominent wording to describe the synergy of energy efficient building and renewable energy utilization to reach a balanced energy budget over a yearly cycle. Taking into account the energy exchange with a grid infrastructure overcomes the limitations...

  18. Criteria for Definition of Net Zero Energy Buildings

    DEFF Research Database (Denmark)

    Sartori, Igor; Napolitano, Assunta; Marszal, Anna Joanna

    2010-01-01

    without a clear understanding and countries are enacting policies and national targets based on the concept without a clear definition in place. This paper presents a harmonised framework for describing the relevant characteristics of Net ZEBs in a series of criteria. Evaluation of the criteria......The idea of a Net Zero Energy Building (Net ZEB) is understood conceptually, as it is understood that the way a Net ZEB is defined affects significantly the way it is designed in order to achieve the goal. However, little agreement exists on a common definition; the term is used commercially...... and selection of the related options becomes a methodology for elaborating sound Net ZEB definitions in a formal, systematic and comprehensive way, creating the basis for legislations and action plans to effectively achieve the political targets. The common denominator for the different possible Net ZEB...

  19. Calculation Tool for Determining the Net Energy Gain

    DEFF Research Database (Denmark)

    Laustsen, Jacob Birck; Svendsen, Svend

    2002-01-01

    for windows are presented. Based on these methods a program has been developed that determines the heat loss coefficient, U, and the total solar energy transmittance, g, for windows compounded of specific window components selected from a database. The program calculates the net energy gain for specific....... A proper and direct way to describe the energy performance of windows is by the net energy gain, E, which expresses the energy balance for the window. It is defined as the solar heat gain transmitted in minus the heat loss transmitted out through the window during the heating season. The net energy gain...... is dependent on both the U-values and the g-values. Beyond this it is dependent on the orientation of the windows and the climate and the actual period. This makes it difficult to choose the glazings and windows that are optimal with regard to energy performance in a given case. These facts have aroused a need...

  20. Renewable Generation Effect on Net Regional Energy Interchange: Preprint

    Energy Technology Data Exchange (ETDEWEB)

    Diakov, Victor; Brinkman, Gregory; Denholm, Paul; Jenkin, Thomas; Margolis, Robert

    2015-07-30

    Using production-cost model (PLEXOS), we simulate the Western Interchange (WECC) at several levels of the yearly renewable energy (RE) generation, between 13% and 40% of the total load for the year. We look at the overall energy exchange between a region and the rest of the system (net interchange, NI), and find it useful to examine separately (i) (time-)variable and (ii) year-average components of the NI. Both contribute to inter-regional energy exchange, and are affected by wind and PV generation in the system. We find that net load variability (in relatively large portions of WECC) is the leading factor affecting the variable component of inter-regional energy exchange, and the effect is quantifiable: higher regional net load correlation with the rest of the WECC lowers net interchange variability. Further, as the power mix significantly varies between WECC regions, effects of ‘flexibility import’ (regions ‘borrow’ ramping capability) are also observed.

  1. The Draukie's Tale: Origin Myth for Wave Energy

    DEFF Research Database (Denmark)

    Watts, Laura

    2017-01-01

    Poem based on ethnographic research with people and places around the European Marine Energy Centre, the world's longest running test site for wave and tide energy, Orkney islands, Scotland.......Poem based on ethnographic research with people and places around the European Marine Energy Centre, the world's longest running test site for wave and tide energy, Orkney islands, Scotland....

  2. Net energy analysis: Powerful tool for selecting electric power options

    Science.gov (United States)

    Baron, S.

    A number of net energy analysis studies have been conducted in recent years for electric power production from coal, oil and uranium fuels; synthetic fuels from coal and oil shale; and heat and electric power from solar energy. This technique is an excellent indicator of investment costs, environmental impact and potential economic competitiveness of alternative electric power systems for energy planners from the Eastern European countries considering future options. Energy conservation is also important to energy planners and the net energy analysis technique is an excellent accounting system on the extent of energy resource conservation. The author proposes to discuss the technique and to present the results of his studies and others in the field. The information supplied to the attendees will serve as a powerful tool to the energy planners considering their electric power options in the future.

  3. Net energy analysis - powerful tool for selecting elective power options

    Energy Technology Data Exchange (ETDEWEB)

    Baron, S. [Brookhaven National Laboratory, Upton, NY (United States)

    1995-12-01

    A number of net energy analysis studies have been conducted in recent years for electric power production from coal, oil and uranium fuels; synthetic fuels from coal and oil shale; and heat and electric power from solar energy. This technique is an excellent indicator of investment costs, environmental impact and potential economic competitiveness of alternative electric power systems for energy planners from the Eastern European countries considering future options. Energy conservation is also important to energy planners and the net energy analysis technique is an excellent accounting system on the extent of energy resource conservation. The author proposes to discuss the technique and to present the results of his studies and others in the field. The information supplied to the attendees will serve as a powerful tool to the energy planners considering their electric power options in the future.

  4. Net Balanced Floorplanning Based on Elastic Energy Model

    DEFF Research Database (Denmark)

    Liu, Wei; Nannarelli, Alberto

    2008-01-01

    with balanced net delays to increase the safety margins of the design. In this paper, we investigate the properties of floorplanning based on the elastic energy model. The B*-tree, which is based on an ordered binary tree, is used for circuit representation and the elastic energy is used as the cost function...

  5. Energy drinks mixed with alcohol: misconceptions, myths, and facts.

    Science.gov (United States)

    Verster, Joris C; Aufricht, Christoph; Alford, Chris

    2012-01-01

    Whilst energy drinks improve performance and feelings of alertness, recent articles suggest that energy drink consumption combined with alcohol may reduce perception of alcohol intoxication, or lead to increased alcohol or drug use. This review discusses the available scientific evidence on the effects of mixing energy drinks with alcohol. A literature search was performed using the keywords "energy drink and Red Bull(®)" and consulting Medline/Pubmed, PsycINFO, and Embase. There is little evidence that energy drinks antagonize the behavioral effects of alcohol, and there is no consistent evidence that energy drinks alter the perceived level of intoxication of people who mix energy drinks with alcohol. No clinically relevant cardiovascular or other adverse effects have been reported for healthy subjects combining energy drinks with alcohol, although there are no long-term investigations currently available. Finally, whilst several surveys have shown associations, there is no direct evidence that coadministration of energy drinks increases alcohol consumption, or initiates drug and alcohol dependence or abuse. Although some reports suggest that energy drinks lead to reduced awareness of intoxication and increased alcohol consumption, a review of the available literature shows that these views are not supported by direct or reliable scientific evidence. A personality with higher levels of risk-taking behavior may be the primary reason for increased alcohol and drug abuse per se. The coconsumption of energy drinks being one of the many expressions of that type of lifestyle and personality.

  6. Denmark's net'zero energy home'

    DEFF Research Database (Denmark)

    Hansen, Ellen Kathrine

    2010-01-01

    ; a trampoline sits on the neatly trimmed lawn. But this house is different. Using ecologically benign materials, a rooftop of solar panels, and energy-scrimping designs, the house generates more than enough power to run itself. Inside, a family of five is testing out the ultimate model home. Windows in all four...

  7. Optimizing Existing Multistory Building Designs towards Net-Zero Energy

    Directory of Open Access Journals (Sweden)

    Mohammad Y. AbuGrain

    2017-03-01

    Full Text Available Recent global developments in awareness and concerns about environmental problems have led to reconsidering built environment approaches and construction techniques. One of the alternatives is the principle of low/zero-energy buildings. This study investigates the potentials of energy savings in an existing multi-story building in the Mediterranean region in order to achieve net-zero energy as a solution to increasing fossil fuel prices. The Colored building at the Faculty of Architecture, Eastern Mediterranean University, Cyprus was chosen as a target of this study to be investigated and analyzed in order to know how energy efficiency strategies could be applied to the building to reduce annual energy consumption. Since this research objective is to develop a strategy to achieve net-zero energy in existing buildings, case study and problem solving methodologies were applied in this research in order to evaluate the building design in a qualitative manner through observations, in addition to a quantitative method through an energy modeling simulation to achieve desirable results which address the problems. After optimizing the building energy performance, an alternative energy simulation was made of the building in order to make an energy comparison analysis, which leads to reliable conclusions. These methodologies and the strategies used in this research can be applied to similar buildings in order to achieve net-zero energy goals.

  8. A Net Energy-based Analysis for a Climate-constrained Sustainable Energy Transition

    OpenAIRE

    Sgouridis, Sgouris; Bardi, Ugo; Csala, Denes

    2015-01-01

    The transition from a fossil-based energy economy to one based on renewable energy is driven by the double challenge of climate change and resource depletion. Building a renewable energy infrastructure requires an upfront energy investment that subtracts from the net energy available to society. This investment is determined by the need to transition to renewable energy fast enough to stave off the worst consequences of climate change and, at the same time, maintain a sufficient net energy fl...

  9. Effect of dietary net energy concentrations on growth performance and net energy intake of growing gilts.

    Science.gov (United States)

    Lee, Gang Il; Kim, Jong Hyuk; Han, Gi Ppeum; Koo, Do Yoon; Choi, Hyeon Seok; Kil, Dong Yong

    2017-09-01

    This experiment investigated the effect of dietary net energy (NE) concentrations on growth performance and NE intake of growing gilts. Five diets were formulated to contain 9.6, 10.1, 10.6, 11.1, and 11.6 MJ NE/kg, respectively. A metabolism trial with 10 growing pigs (average body weight [BW] = 15.9±0.24 kg) was conducted to determine NE concentrations of 5 diets based on French and Dutch NE systems in a 5×5 replicated Latin square design. A growth trial also was performed with five dietary treatments and 12 replicates per treatment using 60 growing gilts (average BW = 15.9±0.55 kg) for 28 days. A regression analysis was performed to predict daily NE intake from the BW of growing gilts. Increasing NE concentrations of diets did not influence average daily gain and average daily feed intake of growing gilts. There was a quadratic relationship (p = 0.01) between dietary NE concentrations and feed efficiency (G:F), although the difference in G:F among treatment means was relatively small. Regression analysis revealed that daily NE intake was linearly associated with the BW of growing gilts. The prediction equations for NE intake with the BW of growing gilts were: NE intake (MJ/d) = 1.442+(0.562×BW, kg), R 2 = 0.796 when French NE system was used, whereas NE intake (MJ/d) = 1.533+(0.614×BW, kg), R 2 = 0.810 when Dutch NE system was used. Increasing NE concentrations of diets from 9.6 to 11.6 MJ NE/kg have little impacts on growth performance of growing gilts. Daily NE intake can be predicted from the BW between 15 and 40 kg in growing gilts.

  10. Energy drinks mixed with alcohol: misconceptions, myths, and facts

    Directory of Open Access Journals (Sweden)

    Verster JC

    2012-03-01

    Full Text Available Joris C Verster1, Christoph Aufricht2, Chris Alford31Utrecht University, Utrecht Institute for Pharmaceutical Sciences, Division of Pharmacology, Utrecht, The Netherlands; 2Medical University of Vienna, Department of Pediatrics and Adolescent Medicine, Währinger Gürtel, Wien, Austria; 3University of the West of England, Psychology Department, Faculty of Health and Life Sciences, Frenchay Campus, Coldharbour Lane, Bristol, UKBackground: Whilst energy drinks improve performance and feelings of alertness, recent articles suggest that energy drink consumption combined with alcohol may reduce perception of alcohol intoxication, or lead to increased alcohol or drug use. This review discusses the available scientific evidence on the effects of mixing energy drinks with alcohol.Methods: A literature search was performed using the keywords “energy drink and Red Bull®” and consulting Medline/Pubmed, PsycINFO, and Embase.Results: There is little evidence that energy drinks antagonize the behavioral effects of alcohol, and there is no consistent evidence that energy drinks alter the perceived level of intoxication of people who mix energy drinks with alcohol. No clinically relevant cardiovascular or other adverse effects have been reported for healthy subjects combining energy drinks with alcohol, although there are no long-term investigations currently available. Finally, whilst several surveys have shown associations, there is no direct evidence that coadministration of energy drinks increases alcohol consumption, or initiates drug and alcohol dependence or abuse.Conclusion: Although some reports suggest that energy drinks lead to reduced awareness of intoxication and increased alcohol consumption, a review of the available literature shows that these views are not supported by direct or reliable scientific evidence. A personality with higher levels of risk-taking behavior may be the primary reason for increased alcohol and drug abuse per se. The

  11. Energy Dependence of Moments of Net-Proton, Net-Kaon, and Net-Charge Multiplicity Distributions at STAR

    CERN Document Server

    ,

    2016-01-01

    One of the main goals of the RHIC Beam Energy Scan (BES) program is to study the QCD phase structure, which includes the search for the QCD critical point, over a wide range of chemical potential. Theoretical calculations predict that fluctuations of conserved quantities, such as baryon number (B), charge (Q), and strangeness (S), are sensitive to the correlation length of the dynamical system. Experimentally, higher moments of multiplicity distributions have been utilized to search for the QCD critical point in heavy-ion collisions. In this paper, we report recent efficiency-corrected cumulants and cumulants ratios of the net- proton, net-kaon, and net-charge multiplicity distributions in Au+Au collisions at 7.7, 11.5, 14.5, 19.6, 27, 39, 62.4, and 200 GeV collected in the years 2010, 2011, and 2014 with STAR at RHIC. The centrality and energy dependence of the cumulants up to the fourth order, as well as their ratios, are presented. Furthermore, the comparisons with baseline calculations (Poisson) and non-c...

  12. Targeting Net Zero Energy at Fort Carson: Assessment and Recommendations

    Energy Technology Data Exchange (ETDEWEB)

    Anderson, K.; Markel, T.; Simpson, M.; Leahey, J.; Rockenbaugh, C.; Lisell, L.; Burman, K.; Singer, M.

    2011-10-01

    The U.S. Army's Fort Carson installation was selected to serve as a prototype for net zero energy assessment and planning. NREL performed the comprehensive assessment to appraise the potential of Fort Carson to achieve net zero energy status through energy efficiency, renewable energy, and electric vehicle integration. This report summarizes the results of the assessment and provides energy recommendations. This study is part of a larger cross-laboratory effort that also includes an assessment of renewable opportunities at seven other DoD Front Range installations, a microgrid design for Fort Carson critical loads and an assessment of regulatory and market-based barriers to a regional secure smart grid.

  13. Ultrahigh Energy Cosmic Rays: Facts, Myths, and Legends

    CERN Document Server

    Anchordoqui, Luis Alfredo

    2013-06-27

    This is a written version of a series of lectures aimed at graduate students in astrophysics/particle theory/particle experiment. In the first part, we explain the important progress made in recent years towards understanding the experimental data on cosmic rays with energies > 10^8 GeV. We begin with a brief survey of the available data, including a description of the energy spectrum, mass composition, and arrival directions. At this point we also give a short overview of experimental techniques. After that, we introduce the fundamentals of acceleration and propagation in order to discuss the conjectured nearby cosmic ray sources, and emphasize some of the prospects for a new (multi-particle) astronomy. Next, we survey the state of the art regarding the ultrahigh energy cosmic neutrinos which should be produced in association with the observed cosmic rays. In the second part, we summarize the phenomenology of cosmic ray air showers. We explain the hadronic interaction models used to extrapolate results from ...

  14. Net energy levels on the lipid profile of pork

    Directory of Open Access Journals (Sweden)

    Stephan Alexander da Silva Alencar

    2017-09-01

    Full Text Available ABSTRACT: This study was conducted to evaluate the effects of net energy levels on the lipid profile of adipose tissue and muscle of swines. A total of 90 animals, with initial weight of 71.94±4.43kg, were used, and distributed in a randomized block design in five net energy levels (2,300, 2,425, 2,550, 2,675, and 2,800Kcal kg-1 feed, with nine replicates and two animals per experimental unit. Lipid profiles of adipose tissue and muscle were analyzed using gas chromatography. Increasing the levels of net energy using soybean oil, improved the lipid profile of adipose tissue and muscle, increased linearly (P<0.05 the concentrations of polyunsaturated fatty acids, especially linoleic and α-linolenic acid, reduced linearly (P<0.05 the monounsaturated and saturated fatty acids and omega 6: omega 3. In adipose tissue was observed linear reduction (P<0.05 of atherogenic and thrombogenic indexes. In conclusion, increasing the level of net energy of the diet using soybean oil improved the lipid profile of adipose tissue and muscle.

  15. Feasibility of Achieving a Zero-Net-Energy, Zero-Net-Cost Homes

    Energy Technology Data Exchange (ETDEWEB)

    Al-Beaini, S.; Borgeson, S.; Coffery, B.; Gregory, D.; Konis, K.; Scown, C.; Simjanovic, J.; Stanley, J.; Strogen, B.; Walker, I.

    2009-09-01

    A green building competition, to be known as the Energy Free Home Challenge (EFHC), is scheduled to be opened to teams around the world in 2010. This competition will encourage both design innovation and cost reduction, by requiring design entries to meet 'zero net energy' and 'zero net cost' criteria. For the purposes of this competition, a 'zero net energy' home produces at least as much energy as it purchases over the course of a year, regardless of the time and form of the energy (e.g., electricity, heat, or fuel) consumed or produced. A 'zero net cost' home is no more expensive than a traditional home of comparable size and comfort, when evaluated over the course of a 30-year mortgage. In other words, the 'green premium' must have a payback period less than 30 years, based on the value of energy saved. The overarching goal of the competition is to develop affordable, high-performance homes that can be mass-produced at a large scale, and are able to meet occupant needs in harsh climates (as can be found where the competition will be held in Illinois). This report outlines the goals of the competition, and gauges their feasibility using both modeling results and published data. To ensure that the established rules are challenging, yet reasonable, this report seeks to refine the competition goals after exploring their feasibility through case studies, cost projections, and energy modeling. The authors of this report conducted a survey of the most progressive home energy-efficiency practices expected to appear in competition design submittals. In Appendix A, a summary can be found of recent projects throughout the United States, Canada, Germany, Switzerland, Sweden and Japan, where some of the most progressive technologies have been implemented. As with past energy efficient home projects, EFHC competitors will incorporate a multitude of energy efficiency measures into their home designs. The authors believe that

  16. Net-Zero-Energy Model for Sustainable Wastewater Treatment.

    Science.gov (United States)

    Yan, Peng; Qin, Rong-Cong; Guo, Jin-Song; Yu, Qiang; Li, Zhe; Chen, You-Peng; Shen, Yu; Fang, Fang

    2017-01-17

    A large external energy input prevents wastewater treatment from being environmentally sustainable. A net-zero-energy (NZE) wastewater treatment concept based on biomass energy recycling was proposed to avoid wasting resources and to promote energy recycling in wastewater treatment plants (WWTPs). Simultaneously, a theoretical model and boundary condition based on energy balance were established to evaluate the feasibility of achieving NZE in WWTPs; the model and condition were employed to analyze data from 20 conventional WWTPs in China. A total of six WWTPs can currently export excess energy, eight WWTPs can achieve 100% energy self-sufficiency by adjusting the metabolic material allocation, and six municipal WWTPs cannot achieve net-zero energy consumption based on the evaluation of the theoretical model. The NZE model offset 79.5% of the electricity and sludge disposal cost compared with conventional wastewater treatment. The NZE model provides a theoretical basis for the optimization of material regulation for the effective utilization of organic energy from wastewater and promotes engineering applications of the NZE concept in WWTPs.

  17. Energy intensity ratios as net energy measures of United States energy production and expenditures

    Science.gov (United States)

    King, C. W.

    2010-10-01

    In this letter I compare two measures of energy quality, energy return on energy invested (EROI) and energy intensity ratio (EIR) for the fossil fuel consumption and production of the United States. All other characteristics being equal, a fuel or energy system with a higher EROI or EIR is of better quality because more energy is provided to society. I define and calculate the EIR for oil, natural gas, coal, and electricity as measures of the energy intensity (units of energy divided by money) of the energy resource relative to the energy intensity of the overall economy. EIR measures based upon various unit prices for energy (e.g. /Btu of a barrel of oil) as well as total expenditures on energy supplies (e.g. total dollars spent on petroleum) indicate net energy at different points in the supply chain of the overall energy system. The results indicate that EIR is an easily calculated and effective proxy for EROI for US oil, gas, coal, and electricity. The EIR correlates well with previous EROI calculations, but adds additional information on energy resource quality within the supply chain. Furthermore, the EIR and EROI of oil and gas as well as coal were all in decline for two time periods within the last 40 years, and both time periods preceded economic recessions.

  18. Body composition and net energy requirements of Brazilian Somali lambs

    Directory of Open Access Journals (Sweden)

    Elzânia S. Pereira

    2014-12-01

    Full Text Available The aim of this study was to determine the energy requirements for maintenance (NEm and growth of 48 Brazilian Somali ram lambs with an average initial body weight of 13.47±1.76 kg. Eight animals were slaughtered at the trials beginning as a reference group to estimate the initial empty body weight (EBW and body composition. The remaining animals were assigned to a randomised block design with eight replications per block and five diets with increasing metabolisable energy content (4.93, 8.65, 9.41, 10.12 and 11.24 MJ/kg dry matter. The logarithm of heat production was regressed against metabolisable energy intake (MEI, and the NEm (kJ/kg0.75 EBW/day were estimated by extrapolation, when MEI was set at zero. The NEm was 239.77 kJ/kg0.75 EBW/day. The animal’s energy and EBW fat contents increased from 11.20 MJ/kg and 208.54 g/kg to 13.54 MJ/kg and 274.95 g/kg of EBW, respectively, as the BW increased from 13 to 28.70 kg. The net energy requirements for EBW gain increased from 13.79 to 16.72 MJ/kg EBW gain for body weights of 13 and 28.70 kg. Our study indicated the net energy requirements for maintenance in Brazilian Somali lambs were similar to the values commonly recommended by the United States’ nutritional system, but lower than the values recommended by Agricultural Research Council and Commonwealth Scientific and Industrial Research Organization. Net requirements for weight gain were less compared to the values commonly recommended by nutritional system of the United States.

  19. 40 CFR 73.83 - Secretary of Energy's action on net income neutrality applications.

    Science.gov (United States)

    2010-07-01

    ... Renewable Energy Reserve § 73.83 Secretary of Energy's action on net income neutrality applications. (a) First come, first served. The Secretary of Energy will process and certify net income neutrality... of Energy determines that the net income neutrality certification application does not meet the...

  20. Lessons Learned from Net Zero Energy Assessments and Renewable Energy Projects at Military Installations

    Energy Technology Data Exchange (ETDEWEB)

    Callahan, M.; Anderson, K.; Booth, S.; Katz, J.; Tetreault, T.

    2011-09-01

    Report highlights the increase in resources, project speed, and scale that is required to achieve the U.S. Department of Defense (DoD) energy efficiency and renewable energy goals and summarizes the net zero energy installation assessment (NZEI) process and the lessons learned from NZEI assessments and large-scale renewable energy projects implementations at DoD installations.

  1. A Petri Net model for distributed energy system

    Science.gov (United States)

    Konopko, Joanna

    2015-12-01

    Electrical networks need to evolve to become more intelligent, more flexible and less costly. The smart grid is the next generation power energy, uses two-way flows of electricity and information to create a distributed automated energy delivery network. Building a comprehensive smart grid is a challenge for system protection, optimization and energy efficient. Proper modeling and analysis is needed to build an extensive distributed energy system and intelligent electricity infrastructure. In this paper, the whole model of smart grid have been proposed using Generalized Stochastic Petri Nets (GSPN). The simulation of created model is also explored. The simulation of the model has allowed the analysis of how close the behavior of the model is to the usage of the real smart grid.

  2. A Petri Net model for distributed energy system

    Energy Technology Data Exchange (ETDEWEB)

    Konopko, Joanna [Warsaw University of Technology, The Faculty of Electronics and Information Technology, Institute of Computer Science, Nowowiejska Street 15/19, Warsaw 00-665 (Poland)

    2015-12-31

    Electrical networks need to evolve to become more intelligent, more flexible and less costly. The smart grid is the next generation power energy, uses two-way flows of electricity and information to create a distributed automated energy delivery network. Building a comprehensive smart grid is a challenge for system protection, optimization and energy efficient. Proper modeling and analysis is needed to build an extensive distributed energy system and intelligent electricity infrastructure. In this paper, the whole model of smart grid have been proposed using Generalized Stochastic Petri Nets (GSPN). The simulation of created model is also explored. The simulation of the model has allowed the analysis of how close the behavior of the model is to the usage of the real smart grid.

  3. Net-Zero Energy Buildings: A Classification System Based on Renewable Energy Supply Options

    Energy Technology Data Exchange (ETDEWEB)

    Pless, S.; Torcellini, P.

    2010-06-01

    A net-zero energy building (NZEB) is a residential or commercial building with greatly reduced energy needs. In such a building, efficiency gains have been made such that the balance of energy needs can be supplied with renewable energy technologies. Past work has developed a common NZEB definition system, consisting of four well-documented definitions, to improve the understanding of what net-zero energy means. For this paper, we created a classification system for NZEBs based on the renewable sources a building uses.

  4. Development of net energy ratio for quad-generation pathways

    DEFF Research Database (Denmark)

    Rudra, Souman; Rosendahl, Lasse; Kumar, Amit

    2012-01-01

    The conversion of biomass to four different outputs via gasification and catalytic methanation is a renewable technology that could reduce the use of fossil fuels and GHG emissions. This study investigates the energy aspects of producing electricity, heat, methanol and methane. The Gas Technology......-based power, heat, methanol and methane production pathway using GTI technology. Since more efficient alternatives exist for the generation of heat and electricity from biomass, it is argued that syngas is best used for methanol production. The aim of this study was to evaluate the energy performance...... Institute (GTI) gasifier and Circulating Fluidized Bed (CFB) technologies are used for this quad generation process. Three different biomass feedstocks are considered in this study. The net energy ratio for six different pathways having the range of between 1.3–9.3. The lowest limit corresponds to the straw...

  5. Intelligent Controls for Net-Zero Energy Buildings

    Energy Technology Data Exchange (ETDEWEB)

    Li, Haorong; Cho, Yong; Peng, Dongming

    2011-10-30

    The goal of this project is to develop and demonstrate enabling technologies that can empower homeowners to convert their homes into net-zero energy buildings in a cost-effective manner. The project objectives and expected outcomes are as follows: • To develop rapid and scalable building information collection and modeling technologies that can obtain and process “as-built” building information in an automated or semiautomated manner. • To identify low-cost measurements and develop low-cost virtual sensors that can monitor building operations in a plug-n-play and low-cost manner. • To integrate and demonstrate low-cost building information modeling (BIM) technologies. • To develop decision support tools which can empower building owners to perform energy auditing and retrofit analysis. • To develop and demonstrate low-cost automated diagnostics and optimal control technologies which can improve building energy efficiency in a continual manner.

  6. NET-ZERO ENERGY BUILDING OPERATOR TRAINING PROGRAM (NZEBOT)

    Energy Technology Data Exchange (ETDEWEB)

    Brizendine, Anthony; Byars, Nan; Sleiti, Ahmad; Gehrig, Bruce; Lu, Na

    2012-12-31

    The primary objective of the Net-Zero Energy Building Operator Training Program (NZEBOT) was to develop certificate level training programs for commercial building owners, managers and operators, principally in the areas of energy / sustainability management. The expected outcome of the project was a multi-faceted mechanism for developing the skill-based competency of building operators, owners, architects/engineers, construction professionals, tenants, brokers and other interested groups in energy efficient building technologies and best practices. The training program draws heavily on DOE supported and developed materials available in the existing literature, as well as existing, modified, and newly developed curricula from the Department of Engineering Technology & Construction Management (ETCM) at the University of North Carolina at Charlotte (UNC-Charlotte). The project goal is to develop a certificate level training curriculum for commercial energy and sustainability managers and building operators that: 1) Increases the skill-based competency of building professionals in energy efficient building technologies and best practices, and 2) Increases the workforce pool of expertise in energy management and conservation techniques. The curriculum developed in this project can subsequently be used to establish a sustainable energy training program that can contribute to the creation of new “green” job opportunities in North Carolina and throughout the Southeast region, and workforce training that leads to overall reductions in commercial building energy consumption. Three energy training / education programs were developed to achieve the stated goal, namely: 1. Building Energy/Sustainability Management (BESM) Certificate Program for Building Managers and Operators (40 hours); 2. Energy Efficient Building Technologies (EEBT) Certificate Program (16 hours); and 3. Energy Efficent Buildings (EEB) Seminar (4 hours). Training Program 1 incorporates the following

  7. A Net Energy-based Analysis for a Climate-constrained Sustainable Energy Transition

    CERN Document Server

    Sgouridis, Sgouris; Csala, Denes

    2015-01-01

    The transition from a fossil-based energy economy to one based on renewable energy is driven by the double challenge of climate change and resource depletion. Building a renewable energy infrastructure requires an upfront energy investment that subtracts from the net energy available to society. This investment is determined by the need to transition to renewable energy fast enough to stave off the worst consequences of climate change and, at the same time, maintain a sufficient net energy flow to sustain the world's economy and population. We show that a feasible transition pathway requires that the rate of investment in renewable energy should accelerate approximately by an order of magnitude if we are to stay within the range of IPCC recommendations.

  8. The Sower's way. Quantifying the Narrowing Net-Energy Pathways to a Global Energy Transition

    CERN Document Server

    Sgouridis, Sgouris; Csala, Denes

    2016-01-01

    Planning the appropriate renewable energy installation rate should balance two partially contradictory objectives: substituting fossil fuels fast enough to stave-off the worst consequences of climate change while maintaining a sufficient net energy flow to support the world's economy. The upfront energy invested in constructing a renewable energy infrastructure subtracts from the net energy available for societal energy needs, a fact typically neglected in energy projections. Modeling feasible energy transition pathways to provide different net energy levels we find that they are critically dependent on the fossil fuel emissions cap and phase-out profile and on the characteristic energy return on energy invested of the renewable energy technologies. The easiest pathway requires installation of renewable energy plants to accelerate from 0.12TWp/year in 2013 to peak between 6.6 and 10.4 TWp/year, for an early or a late fossil-fuel phase-out respectively in order for emissions to stay within the recommended CO2 ...

  9. A Cellular Approach to Net-Zero Energy Cities

    Directory of Open Access Journals (Sweden)

    Miguel Amado

    2017-11-01

    Full Text Available Recent growth in the use of photovoltaic technology and a rapid reduction in its cost confirms the potential of solar power on a large scale. In this context, planning for the deployment of smart grids is among the most important challenges to support the increased penetration of solar energy in urban areas and to ensure the resilience of the electricity system. As part this effort, the present paper describes a cellular approach to a Net-Zero energy concept, based on the balance between the potential solar energy supply and the existing consumption patterns at the urban unit scale. To do that, the Geographical Urban Units Delimitation model (GUUD has been developed and tested on a case study. By applying the GUUD model, which combines Geographic Information Systems (GIS, parametric modelling, and solar dynamic analysis, the whole area of the city was divided into urban cells, categorized as solar producers and energy consumers. The discussion around three theoretical scenarios permits us to explore how smart grids can be approached and promoted from an urban planning perspective. The paper provides insights into how urban planning can be a driver to optimize and manage energy balance across the city if the deployment of smart grids is correctly integrated in its operative process.

  10. Measured Zero Net Energy Performance: Results, Lessons, and Surprises

    Energy Technology Data Exchange (ETDEWEB)

    Brown, Carrie; LaRue, Anna; Pigman, Margaret; Roberts, Jon; Kaneda, David; Connelly, Dylan; Elliott, John; Pless, Shanti; Pande, Abhijeet; Dean, Edward; Anbarlilar, Can

    2016-08-26

    As more and more zero net energy (ZNE) buildings are built and monitored, we can learn from both careful case studies of individual projects as well as a broader perspective of trends over time. In a forum sponsored by Pacific Gas and Electric Company (PG&E), eight expert speakers discussed: results and lessons from monitoring occupied ZNE buildings; best practices for setting performance targets and getting actionable performance information, and; things that have surprised them about monitored ZNE buildings. This paper distills the content of the forum by laying out the most common hurdles that are encountered in setting up monitoring projects, frequent performance issues that the monitoring uncovers, and lessons learned that can be applied to future projects.

  11. Alzheimer's Myths

    Science.gov (United States)

    ... home. Myth 3: Only older people can get Alzheimer's Reality: Alzheimer's can strike people in their 30s, ... Myth 7: Silver dental fillings increase risk of Alzheimer's disease Reality: According to the best available scientific ...

  12. Busting Myths

    Science.gov (United States)

    Chick, Helen

    2013-01-01

    Arecent episode of "MythBusters" (Williams, 2013) involved a series of "battles of the sexes" to examine myths and urban legends about things that men are supposedly better (or worse) at doing than women. Some of the processes that were used on the show to investigate these myths, along with the data they generated, can be used…

  13. Targeting Net Zero Energy at Marine Corps Base Kaneohe Bay, Hawaii: Assessment and Recommendations

    Energy Technology Data Exchange (ETDEWEB)

    Burman, K.; Kandt, A.; Lisell, L.; Booth, S.; Walker, A.; Roberts, J.; Falcey, J.

    2011-11-01

    DOD's U.S. Pacific Command has partnered with the U.S. Department of Energy's (DOE) National Renewable Energy Laboratory (NREL) to assess opportunities for increasing energy security through renewable energy and energy efficiency in Hawaii installations. NREL selected Marine Corps Base Hawaii (MCBH), Kaneohe Bay to receive technical support for net zero energy assessment and planning funded through the Hawaii Clean Energy Initiative (HCEI). NREL performed a comprehensive assessment to appraise the potential of MCBH Kaneohe Bay to achieve net zero energy status through energy efficiency, renewable energy, and electric vehicle integration. This report summarizes the results of the assessment and provides energy recommendations.

  14. Comparative analysis of net energy balance for satellite power systems (SPS) and other energy systems

    Energy Technology Data Exchange (ETDEWEB)

    Cirillo, R.R.; Cho, B.S.; Monarch, M.R.; Levine, E.P.

    1980-04-01

    The net energy balance of seven electric energy systems is assessed: two coal-based, one nuclear, two terrestrial solar, and two solar power satellites, with principal emphasis on the latter two systems. Solar energy systems require much less operating energy per unit of electrical output. However, on the basis of the analysis used here, coal and nuclear systems are two to five times more efficient at extracting useful energy from the primary resource base than are the solar energy systems. The payback period for all systems is less than 1.5 years, except for the terrestrial photovoltaic (19.8 yr) and the solar power satellite system (6.4 yr), both of which rely on energy-intensive silicon cells.

  15. Predicting Energy Performance of a Net-Zero Energy Building: A Statistical Approach

    Science.gov (United States)

    Kneifel, Joshua; Webb, David

    2016-01-01

    Performance-based building requirements have become more prevalent because it gives freedom in building design while still maintaining or exceeding the energy performance required by prescriptive-based requirements. In order to determine if building designs reach target energy efficiency improvements, it is necessary to estimate the energy performance of a building using predictive models and different weather conditions. Physics-based whole building energy simulation modeling is the most common approach. However, these physics-based models include underlying assumptions and require significant amounts of information in order to specify the input parameter values. An alternative approach to test the performance of a building is to develop a statistically derived predictive regression model using post-occupancy data that can accurately predict energy consumption and production based on a few common weather-based factors, thus requiring less information than simulation models. A regression model based on measured data should be able to predict energy performance of a building for a given day as long as the weather conditions are similar to those during the data collection time frame. This article uses data from the National Institute of Standards and Technology (NIST) Net-Zero Energy Residential Test Facility (NZERTF) to develop and validate a regression model to predict the energy performance of the NZERTF using two weather variables aggregated to the daily level, applies the model to estimate the energy performance of hypothetical NZERTFs located in different cities in the Mixed-Humid climate zone, and compares these estimates to the results from already existing EnergyPlus whole building energy simulations. This regression model exhibits agreement with EnergyPlus predictive trends in energy production and net consumption, but differs greatly in energy consumption. The model can be used as a framework for alternative and more complex models based on the

  16. Net energy output from harvesting small-diameter trees using a mechanized system

    Science.gov (United States)

    Fei Pan; Han-Sup Han; Leonard R. Johnson; William J. Elliot

    2008-01-01

    What amount of extra energy can be generated after subtracting the total energy consumed to produce the biomass energy? Knowing the ratio between energy output and input is a valid question when highly mechanized systems that consume fossil fuels are used to harvest and transport forest biomass for energy. We estimated the net energy generated from mechanical fuel...

  17. Nearly Net-Zero Exergy Districts as Models for Smart Energy Systems

    National Research Council Canada - National Science Library

    Şiir Kilkiş

    2017-01-01

    ... Östra Sala backe, which will have a new energy concept. The latter is analysed based on proposals for two phases that aim to reach a net-zero district target based on the quality of energy (exergy...

  18. Net Zero Energy Military Installations: A Guide to Assessment and Planning

    Energy Technology Data Exchange (ETDEWEB)

    Booth, S.; Barnett, J.; Burman, K.; Hambrick, J.; Westby, R.

    2010-08-01

    The U.S. Department of Defense (DoD) recognizes the strategic importance of energy to its mission, and is working to reduce energy consumption and enhance energy self-sufficiency by drawing on local clean energy sources. A joint initiative formed between DoD and the U.S. Department of Energy (DOE) in 2008 to address military energy use led to a task force to examine the potential for net zero energy military installations, which would produce as much energy on site as they consume in buildings, facilities, and fleet vehicles. This report presents an assessment and planning process to examine military installations for net zero energy potential. Net Zero Energy Installation Assessment (NZEIA) presents a systematic framework to analyze energy projects at installations while balancing other site priorities such as mission, cost, and security.

  19. Energy Use Consequences of Ventilating a Net-Zero Energy House

    Science.gov (United States)

    Ng, Lisa C.; Payne, W. Vance

    2016-01-01

    A Net-Zero Energy Residential Test Facility (NZERTF) has been constructed at the National Institute of Standards and Technology (NIST) in Gaithersburg, Maryland to demonstrate that a home similar in size, aesthetics, and amenities to those in the surrounding communities can achieve net-zero energy use over the course of a year while meeting the average electricity and water use needs of a family of four in the United States. The facility incorporates renewable energy and energy efficient technologies, including an air-to-air heat pump system, a solar photovoltaic system, a solar thermal domestic hot water system, and a heat recovery ventilation system sized to meet American Society of Heating, Refrigeration, and Air-Conditioning Engineers (ASHRAE) Standard 62.2-2010 ventilation requirements. The largest energy end use within the home was space conditioning, which included heat loss through the building envelope, ventilation air supplied by the heat recovery ventilator (HRV), and internal loads. While HRVs are often described as being able to save energy when compared to ventilating without heat recovery, there have been no studies using a full year of measured data that determine the thermal load and energy impacts of HRV-based ventilation on the central heating and cooling system. Over the course of a year, continuous operation of the HRV at the NZERTF resulted in an annual savings of 7 % in heat pump energy use compared with the hypothetical case of ventilating without heat recovery. The heat pump electrical use varied from an increase of 5 % in the cooling months to 36 % savings in the heating months compared with ventilation without heat recovery. The increase in the cooling months occurred when the outdoor temperature was lower than the indoor temperature, during which the availability of an economizer mode would have been beneficial. Nevertheless, the fan energy required to operate the selected HRV at the NZERTF paid for itself in the heat pump energy saved

  20. Energy Use Consequences of Ventilating a Net-Zero Energy House.

    Science.gov (United States)

    Ng, Lisa C; Payne, W Vance

    2016-03-05

    A Net-Zero Energy Residential Test Facility (NZERTF) has been constructed at the National Institute of Standards and Technology (NIST) in Gaithersburg, Maryland to demonstrate that a home similar in size, aesthetics, and amenities to those in the surrounding communities can achieve net-zero energy use over the course of a year while meeting the average electricity and water use needs of a family of four in the United States. The facility incorporates renewable energy and energy efficient technologies, including an air-to-air heat pump system, a solar photovoltaic system, a solar thermal domestic hot water system, and a heat recovery ventilation system sized to meet American Society of Heating, Refrigeration, and Air-Conditioning Engineers (ASHRAE) Standard 62.2-2010 ventilation requirements. The largest energy end use within the home was space conditioning, which included heat loss through the building envelope, ventilation air supplied by the heat recovery ventilator (HRV), and internal loads. While HRVs are often described as being able to save energy when compared to ventilating without heat recovery, there have been no studies using a full year of measured data that determine the thermal load and energy impacts of HRV-based ventilation on the central heating and cooling system. Over the course of a year, continuous operation of the HRV at the NZERTF resulted in an annual savings of 7 % in heat pump energy use compared with the hypothetical case of ventilating without heat recovery. The heat pump electrical use varied from an increase of 5 % in the cooling months to 36 % savings in the heating months compared with ventilation without heat recovery. The increase in the cooling months occurred when the outdoor temperature was lower than the indoor temperature, during which the availability of an economizer mode would have been beneficial. Nevertheless, the fan energy required to operate the selected HRV at the NZERTF paid for itself in the heat pump energy saved

  1. Targeting Net Zero Energy at Marine Corps Base Hawaii, Kaneohe Bay: Preprint

    Energy Technology Data Exchange (ETDEWEB)

    Burman, K.; Kandt, A.; Lisell, L.; Booth, S.

    2012-05-01

    This paper summarizes the results of an NREL assessment of Marine Corps Base Hawaii (MCBH), Kaneohe Bay to appraise the potential of achieving net zero energy status through energy efficiency, renewable energy, and hydrogen vehicle integration. In 2008, the U.S. Department of Defense's U.S. Pacific Command partnered with the U.S. Department of Energy's (DOE's) National Renewable Energy Laboratory (NREL) to assess opportunities for increasing energy security through renewable energy and energy efficiency at Hawaii military installations. DOE selected Marine Corps Base Hawaii (MCBH), Kaneohe Bay, to receive technical support for net zero energy assessment and planning funded through the Hawaii Clean Energy Initiative (HCEI). NREL performed a comprehensive assessment to appraise the potential of MCBH Kaneohe Bay to achieve net zero energy status through energy efficiency, renewable energy, and hydrogen vehicle integration. This paper summarizes the results of the assessment and provides energy recommendations. The analysis shows that MCBH Kaneohe Bay has the potential to make significant progress toward becoming a net zero installation. Wind, solar photovoltaics, solar hot water, and hydrogen production were assessed, as well as energy efficiency technologies. Deploying wind turbines is the most cost-effective energy production measure. If the identified energy projects and savings measures are implemented, the base will achieve a 96% site Btu reduction and a 99% source Btu reduction. Using excess wind and solar energy to produce hydrogen for a fleet and fuel cells could significantly reduce energy use and potentially bring MCBH Kaneohe Bay to net zero. Further analysis with an environmental impact and interconnection study will need to be completed. By achieving net zero status, the base will set an example for other military installations, provide environmental benefits, reduce costs, increase energy security, and exceed its energy goals and mandates.

  2. Grammar Myths

    Science.gov (United States)

    Berry, Roger

    2015-01-01

    This paper looks at the continued survival of "myths" about English grammar, for example, the statement that in negative and interrogative sentences "any" should be used instead of "some". It is based on a survey of 195 Hong Kong students majoring in English, in five different cohorts, which found that such myths are…

  3. Federal Campuses Handbook for Net Zero Energy, Water, and Waste

    Energy Technology Data Exchange (ETDEWEB)

    None

    2017-08-14

    In 2015, the U.S. Department of Energy’s Office Energy Efficiency and Renewable Energy (EERE) defined a zero energy campus as "an energy-efficient campus where, on a source energy basis, the actual annual delivered energy is less than or equal to the on-site renewable exported energy." This handbook is focused on applying the EERE definition of zero energy campuses to federal sector campuses. However, it is not intended to replace, substitute, or modify any statutory or regulatory requirements and mandates.

  4. Energy and momentum analysis of the deployment dynamics of nets in space

    Science.gov (United States)

    Botta, Eleonora M.; Sharf, Inna; Misra, Arun K.

    2017-11-01

    In this paper, the deployment dynamics of nets in space is investigated through a combination of analysis and numerical simulations. The considered net is deployed by ejecting several corner masses and thanks to momentum and energy transfer from those to the innermost threads of the net. In this study, the net is modeled with a lumped-parameter approach, and assumed to be symmetrical, subject to symmetrical initial conditions, and initially slack. The work-energy and momentum conservation principles are employed to carry out centroidal analysis of the net, by conceptually partitioning the net into a system of corner masses and the net proper and applying the aforementioned principles to the corresponding centers of mass. The analysis provides bounds on the values that the velocity of the center of mass of the corner masses and the velocity of the center of mass of the net proper can individually attain, as well as relationships between these and different energy contributions. The analytical results allow to identify key parameters characterizing the deployment dynamics of nets in space, which include the ratio between the mass of the corner masses and the total mass, the initial linear momentum, and the direction of the initial velocity vectors. Numerical tools are employed to validate and interpret further the analytical observations. Comparison of deployment results with and without initial velocity of the net proper suggests that more complete and lasting deployment can be achieved if the corner masses alone are ejected. A sensitivity study is performed for the key parameters identified from the energy/momentum analysis, and the outcome establishes that more lasting deployment and safer capture (i.e., characterized by higher traveled distance) can be achieved by employing reasonably lightweight corner masses, moderate shooting angles, and low shooting velocities. A comparison with current literature on tether-nets for space debris capture confirms overall

  5. Economic Investigation of Community-Scale Versus Building Scale Net-Zero Energy

    Energy Technology Data Exchange (ETDEWEB)

    Fernandez, Nicholas; Katipamula, Srinivas; Brambley, Michael R.; Reddy, T. A.

    2009-12-31

    The study presented in this report examines issues concerning whether achieving net-zero energy performance at the community scale provides economic and potentially overall efficiency advantages over strategies focused on individual buildings.

  6. Beam Energy and System Size Dependence of Dynamical Net Charge Fluctuations

    Energy Technology Data Exchange (ETDEWEB)

    STAR Coll

    2008-07-21

    We present measurements of net charge fluctuations in Au + Au collisions at {radical}s{sub NN} = 19.6, 62.4, 130, and 200 GeV, Cu + Cu collisions at {radical}s{sub NN} = 62.4, 200 GeV, and p + p collisions at {radical}s = 200 GeV using the dynamical net charge fluctuations measure {nu}{sub {+-},dyn}. We observe that the dynamical fluctuations are non-zero at all energies and exhibit a modest dependence on beam energy. A weak system size dependence is also observed. We examine the collision centrality dependence of the net charge fluctuations and find that dynamical net charge fluctuations violate 1/N{sub ch} scaling, but display approximate 1/N{sub part} scaling. We also study the azimuthal and rapidity dependence of the net charge correlation strength and observe strong dependence on the azimuthal angular range and pseudorapidity widths integrated to measure the correlation.

  7. Spreading The Net: The Multiple Benefits Of Energy Efficiency Improvements

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2012-07-01

    Improving energy efficiency can deliver a range of benefits to the economy and society. However energy efficiency programmes are often evaluated only on the basis of the energy savings they deliver. As a result, the full value of energy efficiency improvements in both national and global economies may be significantly underestimated. This also means that energy efficiency policy may not be optimised to target the potential of the full range of outcomes possible. Moreover, when the merit of energy efficiency programmes is judged solely on reductions in energy demand, programmes are susceptible to criticisms related to the rebound effect when the energy savings are less than expected due to other welfare gains. There are several reasons why the full range of outcomes from energy efficiency policy is not generally evaluated. First, it is due to the non-market, somewhat intangible, nature of the socioeconomic benefits, which makes them difficult to quantify. Second, the effects due to energy efficiency alone can be complex to isolate and to determine causality. Third, evaluators and policy makers working in the energy efficiency sphere are usually energy professionals, working for an energy agency or ministry, with little experience of how energy efficiency might impact other non-energy sectors. The result is an under-appreciation – and related underinvestment – in energy efficiency, and as a consequence, missed opportunities and benefits. These foregone benefits represent the ‘opportunity cost’ of failing to adequately evaluate and prioritize energy efficiency investments. The objective of this report is to fully outline the array of different benefits from improved energy efficiency and investigate their implications for policy design. By better understanding the different benefits arising from energy efficiency it should be easier for policy makers to prioritise the most significant outcomes, in addition to energy savings, in optimising energy efficiency

  8. Diabetes Myths

    Science.gov (United States)

    ... Text Size: A A A Listen En Español Diabetes Myths On behalf of the millions of Americans ... or obese, you will eventually develop type 2 diabetes. Fact: Being overweight is a risk factor for ...

  9. ENERGY-NET (Energy, Environment and Society Learning Network): Enhancing opportunities for learning using an Earth systems science framework

    Science.gov (United States)

    Elliott, E. M.; Bain, D. J.; Divers, M. T.; Crowley, K. J.; Povis, K.; Scardina, A.; Steiner, M.

    2012-12-01

    We describe a newly funded collaborative NSF initiative, ENERGY-NET (Energy, Environment and Society Learning Network), that brings together the Carnegie Museum of Natural History (CMNH) with the Learning Science and Geoscience research strengths at the University of Pittsburgh. ENERGY-NET aims to create rich opportunities for participatory learning and public education in the arena of energy, the environment, and society using an Earth systems science framework. We build upon a long-established teen docent program at CMNH and to form Geoscience Squads comprised of underserved teens. Together, the ENERGY-NET team, including museum staff, experts in informal learning sciences, and geoscientists spanning career stage (undergraduates, graduate students, faculty) provides inquiry-based learning experiences guided by Earth systems science principles. Together, the team works with Geoscience Squads to design "Exploration Stations" for use with CMNH visitors that employ an Earth systems science framework to explore the intersecting lenses of energy, the environment, and society. The goals of ENERGY-NET are to: 1) Develop a rich set of experiential learning activities to enhance public knowledge about the complex dynamics between Energy, Environment, and Society for demonstration at CMNH; 2) Expand diversity in the geosciences workforce by mentoring underrepresented teens, providing authentic learning experiences in earth systems science and life skills, and providing networking opportunities with geoscientists; and 3) Institutionalize ENERGY-NET collaborations among geosciences expert, learning researchers, and museum staff to yield long-term improvements in public geoscience education and geoscience workforce recruiting.

  10. Life Cycle Cost Analysis of a Multi-Storey Residential Net Zero Energy Building in Denmark

    DEFF Research Database (Denmark)

    Marszal, Anna Joanna; Heiselberg, Per

    2011-01-01

    renewable energy technologies? This analysis adopts the LCC methodology and uses a multi-family Net ZEB to find the answer to this question. Moreover, it looks at the issue from the building owner’s perspective, hence it should be seen as a private economy analysis. The study includes three levels of energy......It is well recognized that in the long run, the implementation of energy efficiency measures is a more cost-optimal solution in contrast to taking no action. However, the Net ZEB concept raises a new issue: how far should we go with energy efficiency measures and when should we start to apply...

  11. Army Net Zero: Energy Roadmap and Program Summary, Fiscal Year 2013 (Brochure)

    Energy Technology Data Exchange (ETDEWEB)

    2014-08-01

    The U.S. Army (Army) partnered with the National Renewable Energy Laboratory (NREL) and the U.S. Army Corps of Engineers to assess opportunities for increasing energy security through improved energy efficiency and optimized renewable energy strategies at nine installations across the Army's portfolio. Referred to as Net Zero Energy Installations (NZEIs), these projects demonstrate and validate energy efficiency and renewable energy technologies with approaches that can be replicated across DOD and other Federal agencies, setting the stage for broad market adoption. This report summarizes the results of the energy project roadmaps developed by NREL, shows the progress each installation could make in achieving Net Zero Energy by 2020, and presents lessons learned and unique challenges from each installation.

  12. EcoVillage: A Net Zero Energy Ready Community

    Energy Technology Data Exchange (ETDEWEB)

    Arena, L. [Consortium for Advanced Residential Buildings, Norwalk, CT (United States); Faakye, O. [Consortium for Advanced Residential Buildings, Norwalk, CT (United States)

    2015-02-01

    CARB is working with the EcoVillage co-housing community in Ithaca, New York, on their third neighborhood called the Third Residential EcoVillage Experience (TREE). This community scale project consists of 40 housing units --15 apartments and 25 single family residences. The community is pursuing certifications for DOE Zero Energy Ready Home, U.S. Green Building Council Leadership in Energy and Environmental Design Gold, and ENERGY STAR for the entire project. Additionally, seven of the 25 homes, along with the four-story apartment building and community center, are being constructed to the Passive House (PH) design standard.

  13. [Net energy analysis for annual 200 000 ton cassava ethanol production at Guangxi COFCO].

    Science.gov (United States)

    Yue, Guojun; Sun, Zhenjiang; Shen, Naidong

    2015-02-01

    Guangxi COFCO innovates its annual 200 000 ton cassava ethanol production in recent years. To evaluate the energy input/output of the production process, we used the domestic life cycle model. The calculation results show that the net energy value was 9.56 MJ/L ethanol. Energy input for ethanol production was 51.3% of the total. 61.5% of energy input for ethanol production was used for steam input in ethanol distillation. Energy produced from by-product was 5.03 MJ/L ethanol. Hence, efficient use of raw materials is an important measure to improve the energy efficiency in Guangxi COFCO and energy compensation from byproducts has key impact on the net energy saving.

  14. Analyzing sectoral niche formation: The case of net-zero energy buildings in India

    NARCIS (Netherlands)

    Jain, Mansi; Hoppe, Thomas; Bressers, Johannes T.A.

    2017-01-01

    Large scale development of Net Zero Energy Buildings (NZEBs) is seen as a potential solution to deal with future energy challenges in the building sector. This article aims to assess the current status of NZEB development in India by using an integrated framework named Sectoral System Innovation

  15. Evaluation of Model Results and Measured Performance of Net-Zero Energy Homes in Hawaii: Preprint

    Energy Technology Data Exchange (ETDEWEB)

    Norton, P.; Kiatreungwattana, K.; Kelly, K. J.

    2013-03-01

    The Kaupuni community consists of 19 affordable net-zero energy homes that were built within the Waianae Valley of Oahu, Hawaii in 2011. The project was developed for the native Hawaiian community led by the Department of Hawaiian Homelands. This paper presents a comparison of the modeled and measured energy performance of the homes. Over the first year of occupancy, the community as a whole performed within 1% of the net-zero energy goals. The data show a range of performance from house to house with the majority of the homes consistently near or exceeding net-zero, while a few fall short of the predicted net-zero energy performance. The impact of building floor plan, weather, and cooling set point on this comparison is discussed. The project demonstrates the value of using building energy simulations as a tool to assist the project to achieve energy performance goals. Lessons learned from the energy performance monitoring has had immediate benefits in providing feedback to the homeowners, and will be used to influence future energy efficient designs in Hawaii and other tropical climates.

  16. How to Define Nearly Net Zero Energy Buildings nZEB

    DEFF Research Database (Denmark)

    Kurnitski, Jarek; Allard, Francis; Braham, Derrick

    2011-01-01

    Member States. The directive defines nearly zero energy buildings as a building that has a very high energy performance and requires the calculation of primary energy indicator. The nearly zero of very low amount of energy required should be covered to a very significant extent by energy from renewable...... sources, including energy from renewable sources produced on-site nearby. Based on the directive’s definition, nearly zero energy buildings is technically defined through the net zero energy building, which is a building using 0 kWh/(m2a) primary energy. Following the cost-optimality principle......This REHVA Task Force proposes a technical definition for nearly zero energy buildings required in the implementation of the Energy performance of buildings directive recast. Energy calculation framework and system boundaries associated with the definition are provided to specify which energy flows...

  17. The Influence of Output Variability from Renewable Electricity Generation on Net Energy Calculations

    Directory of Open Access Journals (Sweden)

    Hannes Kunz

    2014-01-01

    Full Text Available One key approach to analyzing the feasibility of energy extraction and generation technologies is to understand the net energy they contribute to society. These analyses most commonly focus on a simple comparison of a source’s expected energy outputs to the required energy inputs, measured in the form of energy return on investment (EROI. What is not typically factored into net energy analysis is the influence of output variability. This omission ignores a key attribute of biological organisms and societies alike: the preference for stable returns with low dispersion versus equivalent returns that are intermittent or variable. This biologic predilection for stability, observed and refined in academic financial literature, has a direct relationship to many new energy technologies whose outputs are much more variable than traditional energy sources. We investigate the impact of variability on net energy metrics and develop a theoretical framework to evaluate energy systems based on existing financial and biological risk models. We then illustrate the impact of variability on nominal energy return using representative technologies in electricity generation, with a more detailed analysis on wind power, where intermittence and stochastic availability of hard-to-store electricity will be factored into theoretical returns.

  18. DOE Zero Energy Ready Home Case Study: One Sky Homes — Cottle Zero Net Energy Home, San Jose, CA

    Energy Technology Data Exchange (ETDEWEB)

    none,

    2014-09-01

    This builder took home the Grand Winner prize in the Custom Builder category in the 2014 Housing Innovation Awards for its high performance building science approach. The builder used insulated concrete form blocks to create the insulated crawlspace foundation for its first DOE Zero Energy Ready Home, the first net zero energy new home certified in the state of California.

  19. A review of net metering mechanism for electricity renewable energy sources

    Energy Technology Data Exchange (ETDEWEB)

    Poullikkas, Andreas; Kourtis, George; Hadjipaschalis, Ioannis [Electricity Authority of Cyprus, P.O. Box 24506, 1399 Nicosia (Cyprus)

    2013-07-01

    In this work, an overview of the net metering mechanism for renewable energy sources for power generation (RES-E) systems is carried out. In particular, the net metering concept is examined with its benefits and misconceptions. Furthermore, a survey of the current operational net metering schemes in different countries in the world, such as, in Europe, USA, Canada, Thailand and Australia, is carried out. The survey indicated that there are different net metering mechanisms depending on the particularities of each country (or state in the case of USA). Especially, in Europe, only five countries are using net metering in a very simple form, such as, any amount of energy produced by the eligible RES-E technology is compensated from the energy consumed by the RES-E producer, which results to either a less overall electricity bill or to an exception in payment energy taxes. In the USA and the USA territories, any customer’s net excess generation is credited to the customer’s next electricity bill for a 12-month billing cycle at various rates or via a combination between rates. The actual type of net excess generation (NEG) credit is decided by a number of set criteria, such as the type of RES-E technology, the RES-E capacity limit, the type of customer and the type of utility. Regarding any excess credit at the end of the 12-month billing cycle, this is either granted to the utilities, or carries over indefinitely to the customer’s next electricity bill, or is reconciled annually at any rate, or provides an option to the customer to choose between the last two options.

  20. Net change in carbon emissions with increased wood energy use in the United States

    Science.gov (United States)

    Prakash Nepal; David N. Wear; Kenneth E. Skog

    2014-01-01

    Use of wood biomass for energy results in carbon (C) emissions at the time of burning and alters C stocks on the land because of harvest, regrowth, and changes in land use or management. This study evaluates the potential effects of expanded woody biomass energy use (for heat and power) on net C emissions over time. A scenario with increased wood energy use is compared...

  1. Demonstration of the Energy Component of the Installation Master Plan Using the Net Zero Energy Planner Tool: Cost and Performance Report

    Science.gov (United States)

    2015-12-11

    fossil fuel based energy to achieve a net zero fossil fuel energy status. Energy goals are achieved through synergy among energy use reduction in... fossil fuel based energy to achieve a net zero fossil fuel energy status. Energy goals will be achieved through synergy among energy use reduction in... fossil fuel use in new and renovated facilities by 2030 and to reduce overall facility energy usage by 30% by 2015 (EISA 2007).

  2. Net energy production associated with pathogen inactivation during mesophilic and thermophilic anaerobic digestion of sewage sludge.

    Science.gov (United States)

    Ziemba, Christopher; Peccia, Jordan

    2011-10-15

    The potential for anaerobic digester energy production must be balanced with the sustainability of reusing the resultant biosolids for land application. Mesophilic, thermophilic, temperature-phased, and high temperature (60 or 70 °C) batch pre-treatment digester configurations have been systematically evaluated for net energy production and pathogen inactivation potential. Energy input requirements and net energy production were modeled for each digester scheme. First-order inactivation rate coefficients for Escherichia coli, Enterococcus faecalis and bacteriophage MS-2 were measured at each digester temperature and full-scale pathogen inactivation performance was estimated for each indicator organism and each digester configuration. Inactivation rates were found to increase dramatically at temperatures above 55 °C. Modeling full-scale performance using retention times based on U.S. EPA time and temperature constraints predicts a 1-2 log inactivation in mesophilic treatment, and a 2-5 log inactivation in 50-55 °C thermophilic and temperature-phased treatments. Incorporating a 60 or 70 °C batch pre-treatment phase resulted in dramatically higher potency, achieving MS-2 inactivation of 14 and 16 logs respectively, and complete inactivation (over 100 log reduction) of E. coli and E. faecalis. For temperatures less than 70 °C, viability staining of thermally-treated E. coli showed significantly reduced inactivation relative to standard culture enumeration. Due to shorter residence times in thermophilic reactors, the net energy production for all digesters was similar (less than 20% difference) with the 60 or 70 °C batch treatment configurations producing the most net energy and the mesophilic treatment producing the least. Incorporating a 60 or 70 °C pre-treatment phase can dramatically increase pathogen inactivation performance without decreasing net energy capture from anaerobic digestion. Energy consumption is not a significant barrier against

  3. The sower’s way: quantifying the narrowing net-energy pathways to a global energy transition

    Science.gov (United States)

    Sgouridis, Sgouris; Csala, Denes; Bardi, Ugo

    2016-09-01

    Planning the appropriate renewable energy (RE) installation rate should balance two partially contradictory objectives: substituting fossil fuels fast enough to stave-off the worst consequences of climate change while maintaining a sufficient net energy flow to support the world’s economy. The upfront energy invested in constructing a RE infrastructure subtracts from the net energy available for societal energy needs, a fact typically neglected in energy projections. Modeling feasible energy transition pathways to provide different net energy levels we find that they are critically dependent on the fossil fuel emissions cap and phase-out profile and on the characteristic energy return on energy invested of the RE technologies. The easiest pathway requires installation of RE plants to accelerate from 0.12 TWp yr-1 in 2013 to peak between 7.3 and 11.6 TWp yr-1 in the late 2030s, for an early or a late fossil-fuel phase-out respectively in order for emissions to stay within the recommended CO2 budget.

  4. A novel electrochemical membrane bioreactor as a potential net energy producer for sustainable wastewater treatment.

    Science.gov (United States)

    Wang, Yun-Kun; Sheng, Guo-Ping; Shi, Bing-Jing; Li, Wen-Wei; Yu, Han-Qing

    2013-01-01

    One possible way to address both water and energy shortage issues, the two of major global challenges, is to recover energy and water resource from wastewater. Herein, a novel electrochemical membrane bioreactor (EMBR) was developed to recover energy from wastewater and meantime harvest clean water for reuse. With the help of the microorganisms in the biocatalysis and biodegradation process, net electricity could be recovered from a low-strength synthetic wastewater after estimating total energy consumption of this system. In addition, high-quality clean water was obtained for reuse. The results clearly demonstrate that, under the optimized operating conditions, it is possible to recover net energy from wastewater, while at the same time to harvest high-quality effluent for reuse with this novel wastewater treatment system.

  5. Final Technical Report - Autothermal Styrene Manufacturing Process with Net Export of Energy

    Energy Technology Data Exchange (ETDEWEB)

    Trubac, Robert , E.; Lin, Feng; Ghosh, Ruma: Greene, Marvin

    2011-11-29

    The overall objectives of the project were to: (a) develop an economically competitive processing technology for styrene monomer (SM) that would reduce process energy requirements by a minimum 25% relative to those of conventional technology while achieving a minimum 10% ROI; and (b) advance the technology towards commercial readiness. This technology is referred to as OMT (Oxymethylation of Toluene). The unique energy savings feature of the OMT technology would be replacement of the conventional benzene and ethylene feedstocks with toluene, methane in natural gas and air or oxygen, the latter of which have much lower specific energy of production values. As an oxidative technology, OMT is a net energy exporter rather than a net energy consumer like the conventional ethylbenzene/styrene (EB/SM) process. OMT plants would ultimately reduce the cost of styrene monomer which in turn will decrease the costs of polystyrene making it perhaps more cost competitive with competing polymers such as polypropylene.

  6. Myth Dispelled

    Centers for Disease Control (CDC) Podcasts

    2013-03-20

    Dr. Adam Possner, an assistant professor of general internal medicine at George Washington University, reads and discusses his poem, "Myth Dispelled.".  Created: 3/20/2013 by National Center for Emerging and Zoonotic Infectious Diseases (NCEZID).   Date Released: 3/21/2013.

  7. A Net-Zero Energy Home Grows Up: Lessons and Puzzles from 10 Years of Data

    Energy Technology Data Exchange (ETDEWEB)

    Sparn, Bethany; Earle, Lieko; Christensen, Craig; Norton, Paul

    2016-08-26

    In 2005, Habitat for Humanity of Metro Denver, with support from NREL and other partners, built one of the first homes in the US to achieve net-zero energy based on monitored data. A family of three moved into the house when it was completed and lives there still. The home has been monitored continuously for the past ten years. Although PV production has remained steady, net energy performance has varied each year. The home was a net producer of energy annually in each of the first three years and in the ninth year, but not in years four through eight. Over the years, the PV system provided between 124% and 64% of the home source energy use. Electricity use in the home increased steadily during the first eight years, even though no significant new appliance was introduced into the house, such as a window air conditioner. Miscellaneous electric loads and space heating, both strongly dependent on occupant behavior, appear to be primarily responsible for the observed increase in energy use. An interesting aspect of this case study is how, even within a single family, natural changes in occupant lifestyles over time (e.g., kids growing up, schedules changing) can substantially impact the overall energy intensity of a home. Data from the last ten years will be explored for lessons learned that can improve the way we design low-load homes without sacrificing comfort or convenience for the occupants, and how we can make realistic predictions of long-term energy performance.

  8. Net-Zero Energy Home Grows Up: Lessons and Puzzles from 10 Years of Data; Preprint

    Energy Technology Data Exchange (ETDEWEB)

    Sparn, Bethany; Earle, Lieko; Christensen, Craig; Norton, Paul

    2016-05-17

    In 2005, Habitat for Humanity of Metro Denver, with support from NREL and other partners, built one of the first homes in the US to achieve net-zero energy based on monitored data. A family of three moved into the house when it was completed and lives there still. The home has been monitored continuously for the past ten years. Although PV production has remained steady, net energy performance has varied each year. The home was a net producer of energy annually in each of the first three years and in the ninth year, but not in years four through eight. Over the years, the PV system provided between 124% and 64% of the home source energy use. Electricity use in the home increased steadily during the first eight years, even though no significant new appliance was introduced into the house, such as a window air conditioner. Miscellaneous electric loads and space heating, both strongly dependent on occupant behavior, appear to be primarily responsible for the observed increase in energy use. An interesting aspect of this case study is how, even within a single family, natural changes in occupant lifestyles over time (e.g., kids growing up, schedules changing) can substantially impact the overall energy intensity of a home. Data from the last ten years will be explored for lessons learned that can improve the way we design low-load homes without sacrificing comfort or convenience for the occupants, and how we can make realistic predictions of long-term energy performance.

  9. Description and evaluation of a net energy intake model as a function of dietary chewing index

    DEFF Research Database (Denmark)

    Jensen, L.M.; Markussen, B.; Nielsen, N.I.

    2016-01-01

    Previously, a linear relationship has been found between net energy intake (NEI) and dietary chewing index (CI) of the diet for different types of cattle. Therefore, we propose to generalize and calibrate this relationship into a new model for direct prediction of NEI by dairy cows from CI values...

  10. Heat Mismatch of future Net Zero Energy Buildings within district heating areas in Denmark

    DEFF Research Database (Denmark)

    Nielsen, Steffen; Möller, Bernd

    . NZEBs are characterized by having a greatly reduced energy demand that on an annual basis can be balanced out by an equivalent generation of energy from RES. Most buildings in Denmark are connected electricity grids and around half to district heating (DH) systems. Connecting buildings to larger energy...... instead of wasting the energy. The objective in this paper is find how large an area of NZEBs is to be built within DH areas and how the heat mismatch of NZEBs influence different types of Danish DH systems. In the analyses nine different scenarios are analyzed. The examination is from a technical......The long-term goal for Denmark is to develop an energy system solely based on renewable energy sources (RES) in 2050. To reach this goal energy savings in buildings are essential. Therefore, a focus on energy efficient measures in buildings and net zero energy buildings (NZEBs) have increased...

  11. Challenging the myth of non-materiality. Energy consumption in service industries.

    OpenAIRE

    Fourcroy, Charlotte; Gallouj, Faïz; Decellas, Fabrice

    2011-01-01

    International audience; This paper addresses the issue of energy consumption in service industries. Official energy statistics show that the amount of energy consumed in service industries is quite small, and this is explained in the theoretical literature by the presumed intangibility of these services. Our hypothesis, however, is that the energy consumed by services has been underestimated. After identifying and analyzing the full range of sources of energy consumption in service industries...

  12. Evaluation of satellite and reanalysis-based global net surface energy flux and uncertainty estimates

    Science.gov (United States)

    Allan, Richard; Liu, Chunlei

    2017-04-01

    The net surface energy flux is central to the climate system yet observational limitations lead to substantial uncertainty (Trenberth and Fasullo, 2013; Roberts et al., 2016). A combination of satellite-derived radiative fluxes at the top of atmosphere (TOA) adjusted using the latest estimation of the net heat uptake of the Earth system, and the atmospheric energy tendencies and transports from the ERA-Interim reanalysis are used to estimate surface energy flux globally (Liu et al., 2015). Land surface fluxes are adjusted through a simple energy balance approach using relations at each grid point with the consideration of snowmelt to improve regional realism. The energy adjustment is redistributed over the oceans using a weighting function to avoid meridional discontinuities. Uncertainties in surface fluxes are investigated using a variety of approaches including comparison with a range of atmospheric reanalysis input data and products. Zonal multiannual mean surface flux uncertainty is estimated to be less than 5 Wm-2 but much larger uncertainty is likely for regional monthly values. The meridional energy transport is calculated using the net surface heat fluxes estimated in this study and the result shows better agreement with observations in Atlantic than before. The derived turbulent fluxes (difference between the net heat flux and the CERES EBAF radiative flux at surface) also have good agreement with those from OAFLUX dataset and buoy observations. Decadal changes in the global energy budget and the hemisphere energy imbalances are quantified and present day cross-equator heat transports is re-evaluated as 0.22±0.15 PW southward by the atmosphere and 0.32±0.16 PW northward by the ocean considering the observed ocean heat sinks (Roemmich et al., 2006) . Liu et al. (2015) Combining satellite observations and reanalysis energy transports to estimate global net surface energy fluxes 1985-2012. J. Geophys. Res., Atmospheres. ISSN 2169-8996 doi: 10.1002/2015JD

  13. Myth & Bones

    DEFF Research Database (Denmark)

    Marchetti, Emanuela

    2011-01-01

    Recently museums are re-discussing traditional practices, as they became concerned with visitors' experience and learning. In this study communication is found to be mono-directional, especially towards captive audiences, like primary school children. The diachronic perspective seems neglected, a...... design of a new interactive installation, conducted with 8-10 years old children. Field study and initial evaluation show that introduction of notions related to human life-cycle and myth may further enrich learning from children's perspective....

  14. Tatar Myths

    OpenAIRE

    Kamalov, İlyas

    2005-01-01

    The Turks of Tataristan have a long tradition of sedentary life and written culture in the region where they currently live. In this environment, rich mythological elements of the Turkic world have got more chance to survive the long historical times. Their mythology grew richer, in the course of time, with various inner and outer influences, and have got more mythological materials. This article summarizes personalities in the Tatar myths and legends.

  15. Examples of Nearly Net Zero Energy Buildings Through One-Step and Stepwise Retrofits

    DEFF Research Database (Denmark)

    Galiotto, Nicolas; Heiselberg, Per; Knudstrup, Mary-Ann

    2012-01-01

    -step or stepwise retrofit process. The review work is part of a more global Ph.D. project and is used as one of the basement of the future research work. The considered approaches have been sorted in two categories. The first approach has a very high use of energy conservation measures and low use of renewable...... energy production measures. The second approach has a lower use of energy conservation measures (but still high compared to a traditional renovation) and a higher use of renewable energy production measures. A third approach to nearly net zero energy building renovation exists but has not been considered......: a very low use of energy conservation measures and very high use of renewable energy production measures. While the projects from the first category have still a possibility to improve considerably their carbon footprint during an ulterior upgrade, the projects part of the second category seem to have...

  16. Genetic parameters of estimated net energy efficiencies for milk production, maintenance, and body weight change in dairy cows.

    Science.gov (United States)

    Buttazzoni, L; Mao, I L

    1989-03-01

    Net efficiencies of converting intake energy into energy for maintenance, milk production, and body weight change in a lactation were estimated for each of 79 Holstein cows by a two-stage multiple regression model. Cows were from 16 paternal half-sib families, which each had members in at least two of the six herds. Each cow was recorded for milk yield, net energy intake, and three efficiency traits. These were analyzed in a multitrait model containing the same 14 fixed subclasses of herd by season by parity and a random factor of sires for each of the five traits. Restricted maximum likelihood estimates of sire and residual (co)variance components were obtained by an expectation maximization algorithm with canonical transformations. Between milk yield and net energy intake, net energy efficiencies for milk yield, maintenance, and body weight change, the estimated phenotypic correlations were .36, -.02, .08, and -.06, while the genetic correlations were .92, .56, .02, and -.32, respectively. Both genetic and phenotypic correlations were zero between net energy efficiency of maintenance and that of milk yield and .17 between net energy efficiency of body weight change and that of milk yield. The estimated genetic correlation between net efficiency for lactation and milk yield is approximately 60% of that between gross efficiency and milk yield. With a heritability of .32 equivalent.49, net energy efficiency for milk yield may be worth consideration for genetic selection in certain dairy cattle populations.

  17. Greek and Roman Myths.

    Science.gov (United States)

    Carr, Fredella; Faggionato, Michael

    Designed for use with the text "Greek and Roman Myths," this junior high school learning activity packet introduces students to mythology and examines the influence of myths on contemporary culture. Over 20 exercises, tagged to specific readings in the text, cover identification of the major gods, the Prometheus myth, the Atlas myth,…

  18. Nearly Net-Zero Exergy Districts as Models for Smart Energy Systems

    OpenAIRE

    Şiir Kilkiş

    2017-01-01

    The planning of urban settlements requires a targeted approach towards more sustainable energy, water, and environment systems. This research work analyses the city of Uppsala and a district that is an urban renewal project at the site of former high voltage power lines, namely Östra Sala backe, which will have a new energy concept. The latter is analysed based on proposals for two phases that aim to reach a net-zero district target based on the quality of energy (exergy). An indicator s...

  19. vNet Zero Energy for Radio Base Stations- Balearic Scenario

    DEFF Research Database (Denmark)

    Sabater, Pere; Mihovska, Albena Dimitrova; Pol, Andreu Moia

    2016-01-01

    The Balearic Islands have one of the best telecommunications infrastructures in Spain, with more than 1500 Radio Base Stations (RBS) covering a total surface of 4.991,66 km². This archipelago has high energy consumption, with high CO2 emissions, due to an electrical energy production system mainly...... based on coal and fossil fuels which is not an environmentally sustainable scenario. The aim of this study is to identify the processes that would reduce the energy consumption and greenhouse gas emissions, designing a target scenario featuring "zero CO2 emissions" and "100% renewable energies" in RBS....... The energy costs, CO2 emissions and data traffic data used for the study are generated by a sample of RBS from the Balearic Islands. The results are shown in terms of energy performance for a normal and net zero emissions scenarios....

  20. Energy balance of maize production in Brazil: the energetic constraints of a net positive outcome

    Energy Technology Data Exchange (ETDEWEB)

    Soares, Luis Henrique de Barros; Alves, Bruno Jose Rodrigues; Urquiaga, Segundo

    2008-07-01

    Among the factors used to analyze and to establish the sustainability of a whole agricultural production system, the energy balance is one of the most powerful and robust. The maize production in Brazil is surely the reflex of an energy intensive system that demands many field operations and heavy fertilizer applications, notably nitrogen in urea form. This work presents an energy balance of this major crop adjusted to the Brazilian conditions of cultivation. The input components were grouped based on their energy contents, and the possible improvements in the agricultural practices that could improve energy balance and net energy withdrawn from the farming were considered. The replacement of N synthetic fertilizer by biological nitrogen fixation, whether the process is directly carried out by endophytic diazotroph bacteria or by means of a N{sub 2}- fixing legume culture planted before the main crop as a green-manure is also discussed. (author)

  1. Transformations, Inc.. Partnering To Build Net-Zero Energy Houses in Massachusetts

    Energy Technology Data Exchange (ETDEWEB)

    Ueno, K. [Building Science Corporation, Somerville, MA (United States); Bergey, D. [Building Science Corporation, Somerville, MA (United States); Wytrykowska, H. [Building Science Corporation, Somerville, MA (United States)

    2013-09-01

    Transformations, Inc. is a residential development and building company that has partnered with Building Science Corporation to build new construction net-zero energy houses in Massachusetts under the Building America program. There are three communities that will be constructed through this partnership: Devens Sustainable Housing ("Devens"), The Homes at Easthampton Meadow ("Easthampton") and Phase II of the Coppersmith Way Development ("Townsend"). This report intends to cover all of the single-family new construction homes that have been completed to date. The houses built in these developments are net zero energy homes built in a cold climate. They will contribute to finding answers to specific research questions for homes with high R double stud walls and high efficiency ductless air source heat pump systems ("mini-splits"); allow to explore topics related to the financing of photovoltaic systems and basements vs. slab-on-grade construction; and provide feedback related to the performance of ductless mini-split air source heat pumps.

  2. Improvement potential for net energy balance of biodiesel derived from palm oil: A case study from Indonesian practice

    Energy Technology Data Exchange (ETDEWEB)

    Kamahara, Hirotsugu [Research Institute of Science for Safety and Sustainability, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8569 (Japan); Hasanudin, Udin [Department of Agroindustrial Technology, University of Lampung, Bandar Lampung, Lampung 35145 (Indonesia); Widiyanto, Anugerah [International Cooperation Center for Engineering Education Development, Toyohashi University of Technology, Toyohashi, Aichi 441-8580 (Japan); Tachibana, Ryuichi [Department of Civil and Environmental Engineering, Nagaoka University of Technology, Nagaoka, Niigata 940-2188 (Japan); Atsuta, Yoichi; Goto, Naohiro; Daimon, Hiroyuki [Department of Environmental and Life Sciences, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku, Toyohashi, Aichi 441-8580 (Japan); Fujie, Koichi [Graduate School of Environment and Information Sciences, Yokohama National University, Yokohama, Kanagawa 240-8501 (Japan)

    2010-12-15

    Biodiesel derived from palm oil has been recognized as a high-productivity oil crop among the first generation of biofuels. This study evaluated and discussed the net energy balance for biodiesel in Indonesia by calculating the net energy ratio (NER) and net energy production (NEP) form the total energy input and output. The results of the calculation of energy input for the default scenario demonstrated that the primary energy inputs in the biodiesel production lifecycle were the methanol feedstock, energy input during the biodiesel production process, and urea production. These three items amounted to 85% of the total energy input. Next, we considered and evaluated ways to potentially improve the energy balance by utilizing by-products and biogas from wastewater treatment in the palm oil mill. This result emphasized the importance of utilizing the biomass residue and by-products. Finally, we discussed the need to be aware of energy balance issues between countries when biofuels are transported internationally. (author)

  3. Comparing World Economic and Net Energy Metrics, Part 2: Total Economy Expenditure Perspective

    Directory of Open Access Journals (Sweden)

    Carey W. King

    2015-11-01

    Full Text Available We translate between energetic and economic metrics that characterize the role of energy in the economy. Specifically, we estimate monetary expenditures for the primary energy and net external power ratio (NEPR direct ; NEPR, net external power ratio, a power return ratio of annual energy production divided by annual direct energy inputs within the energy industry. We estimate these on an annualized basis for forty-four countries from 1978 to 2010. Expressed as a fraction of gross domestic product (GDP, f e , GDP , the forty-four country aggregate (composing >90% world GDP worldwide expenditures on energy decreased from a maximum of 10.3% in 1979 to a minimum of 3.0% in 1998 before increasing to a second peak of 8.1% in 2008. While the global f e , GDP fluctuates significantly, global NEPR direct declined from a value of 34 in 1980 to 17 in 1986 before staying in a range between 14 and 16 from 1991 to 2010. In comparing both of these metrics as ratios of power output over power input, one economic ( f e , GDP - 1 and one biophysical (NEPR direct , we see that when the former divided by the latter is below unity, the world was in a low-growth or recessionary state.

  4. Modeling and Optimizing Energy Utilization of Steel Production Process: A Hybrid Petri Net Approach

    Directory of Open Access Journals (Sweden)

    Peng Wang

    2013-01-01

    Full Text Available The steel industry is responsible for nearly 9% of anthropogenic energy utilization in the world. It is urgent to reduce the total energy utilization of steel industry under the huge pressures on reducing energy consumption and CO2 emission. Meanwhile, the steel manufacturing is a typical continuous-discrete process with multiprocedures, multiobjects, multiconstraints, and multimachines coupled, which makes energy management rather difficult. In order to study the energy flow within the real steel production process, this paper presents a new modeling and optimization method for the process based on Hybrid Petri Nets (HPN in consideration of the situation above. Firstly, we introduce the detailed description of HPN. Then the real steel production process from one typical integrated steel plant is transformed into Hybrid Petri Net model as a case. Furthermore, we obtain a series of constraints of our optimization model from this model. In consideration of the real process situation, we pick the steel production, energy efficiency and self-made gas surplus as the main optimized goals in this paper. Afterwards, a fuzzy linear programming method is conducted to obtain the multiobjective optimization results. Finally, some measures are suggested to improve this low efficiency and high whole cost process structure.

  5. Final Technical Report for the Net-Zero Energy Commercial Buildings Consortium

    Energy Technology Data Exchange (ETDEWEB)

    Fazeli, Sandy [National Association of State Energy Officials, Arlington, VA (United States)

    2014-09-30

    The Commercial Buildings Consortium (CBC) was established in 2009, under the chairmanship of the National Association of State Energy Officials (NASEO), as a supporting organization to the Commercial Buildings Initiative (CBI). The CBI was created by Congress through the Energy Independence and Security Act of 2007 (EISA) and launched by the Department of Energy (DOE) in 2008 with the goal to “develop and disseminate technologies, practices, and policies for establishment of zero net energy commercial buildings.”. The impact of the CBC since 2009 has been multifold, resulting in increased collaboration, increased innovation, and increased demonstration and deployment. During the project performance period of 2009-2014, the CBC provided an organizational framework for sustained public-private collaboration among more than 600 commercial building professionals, researchers and educators, utilities, and government agencies at federal, state, and local level. The CBC’s research has identified emerging technologies, market strategies, and innovative public and corporate policies to help advance CBI’s zero-net-energy. Finally, the CBC worked in close partnership with DOE’s commercial building teams and the Better Buildings Alliances to identify opportunities for proving out and deploying energy-saving technologies and practices.

  6. MYTH Screening: iMYTH and tMYTH Variants.

    Science.gov (United States)

    Snider, Jamie; Stagljar, Igor

    2016-01-04

    Once a bait has been generated and validated for the membrane yeast two-hybrid (MYTH) assay, it can be used for either high-throughput screening to generate a detailed interaction map (interactome) or in low-throughput experiments to examine interactions with specific targets. Here we describe how to carry out high-throughput MYTH library screening of a validated bait generated using integrated or traditional MYTH. The principles herein can be easily adapted for use in a smaller-scale format if required. A typical MYTH library screen can be completed in ∼3-4 wk. © 2016 Cold Spring Harbor Laboratory Press.

  7. Responses in live weight change to net energy intake in dairy cows

    DEFF Research Database (Denmark)

    Jensen, Charlotte; Østergaard, Søren; Bertilsson, Jan

    2015-01-01

    or multiparous. Feed ration energy values were recalculated by use of NorFor to obtain consistent energy expression in all trials as opposed to the varying feed evaluation systems used in original analysis of trials. Regression analysis with linear and quadratic effects were performed on live weight......The objective of this analysis was to estimate the effect of increased energy intake on daily live weight changes during the first 100 days of lactation of primiparous and multiparous cows. A data set with 78 observations (treatment means) was compiled from 6 production trials from Denmark, Norway...... change were made by linear mixed effects model with trial as random factor. For both primiparous and multiparous cows there was an increasing curvilinear response at a decreasing rate to increased net energy intake and the daily live weight change at day 30 was negative and at day 90 it was positive...

  8. Net Zero Fort Carson: Integrating Energy, Water, and Waste Strategies to Lower the Environmental Impact of a Military Base

    Science.gov (United States)

    Military bases resemble small cities and face similar sustainability challenges. As pilot studies in the U.S. Army Net Zero program, 17 locations are moving to 100% renewable energy, zero depletion of water resources, and/or zero waste to landfill by 2020. Some bases target net z...

  9. Energy efficiency based joint cell selection and power allocation scheme for HetNets

    Directory of Open Access Journals (Sweden)

    Kwabena Kobia Mensah

    2016-11-01

    Full Text Available Heterogeneous networks (HetNets composed of overlapped cells with different sizes are expected to improve the transmission performance of data service significantly. User equipments (UEs in the overlapped area of multiple cells might be able to access various base stations (BSs of the cells, resulting in various transmission performances due to cell heterogeneity. Hence, designing optimal cell selection scheme is of particular importance for it may affect user quality of service (QoS and network performance significantly. In this paper, we jointly consider cell selection and transmit power allocation problem in a HetNet consisting of multiple cells. For a single UE case, we formulate the energy efficiency of the UE, and propose an energy efficient optimization scheme which selects the optimal cell corresponding to the maximum energy efficiency of the UE. The problem is then extended to multiple UEs case. To achieve joint performance optimization of all the UEs, we formulate an optimization problem with the objective of maximizing the sum energy efficiency of UEs subject to QoS and power constraints. The formulated nonlinear fractional optimization problem is equivalently transformed into two subproblems, i.e., power allocation subproblem of each UE-cell pair, and cell selection subproblem of UEs. The two subproblems are solved respectively through applying Lagrange dual method and Kuhn–Munkres (K-M algorithm. Numerical results demonstrate the efficiency of the proposed algorithm.

  10. Prediction of net energy consumption based on economic indicators (GNP and GDP) in Turkey

    Energy Technology Data Exchange (ETDEWEB)

    Soezen, Adnan [Technical Education Faculty, Mechanical Education Department, Energy Section, Gazi University, 06500 Teknikokullar, Ankara (Turkey); Arcaklioglu, Erol [Engineering Faculty, Mechanical Engineering Department, Kirikkale University, 71450 Kirikkale (Turkey)

    2007-10-15

    The most important theme in this study is to obtain equations based on economic indicators (gross national product - GNP and gross domestic product - GDP) and population increase to predict the net energy consumption of Turkey using artificial neural networks (ANNs) in order to determine future level of the energy consumption and make correct investments in Turkey. In this study, three different models were used in order to train the ANN. In one of them (Model 1), energy indicators such as installed capacity, generation, energy import and energy export, in second (Model 2), GNP was used and in the third (Model 3), GDP was used as the input layer of the network. The net energy consumption (NEC) is in the output layer for all models. In order to train the neural network, economic and energy data for last 37 years (1968-2005) are used in network for all models. The aim of used different models is to demonstrate the effect of economic indicators on the estimation of NEC. The maximum mean absolute percentage error (MAPE) was found to be 2.322732, 1.110525 and 1.122048 for Models 1, 2 and 3, respectively. R{sup 2} values were obtained as 0.999444, 0.999903 and 0.999903 for training data of Models 1, 2 and 3, respectively. The ANN approach shows greater accuracy for evaluating NEC based on economic indicators. Based on the outputs of the study, the ANN model can be used to estimate the NEC from the country's population and economic indicators with high confidence for planing future projections. (author)

  11. Maximizing Residential Energy Savings: Net Zero Energy House (ZEH) Technology Pathways

    Energy Technology Data Exchange (ETDEWEB)

    Anderson, R.; Roberts, D.

    2008-11-01

    To meet current U.S. Department of Energy zero-energy home performance goals, new technologies and solutions must increase whole-house efficiency savings by an additional 40% relative to those provided by best available components and systems.

  12. Sex effects on net protein and energy requirements for growth of Saanen goats.

    Science.gov (United States)

    Souza, A P; St-Pierre, N R; Fernandes, M H R M; Almeida, A K; Vargas, J A C; Resende, K T; Teixeira, I A M A

    2017-06-01

    Requirements for growth in the different sexes remain poorly quantified in goats. The objective of this study was to develop equations for estimating net protein (NP G ) and net energy (NE G ) for growth in Saanen goats of different sexes from 5 to 45 kg of body weight (BW). A data set from 7 comparative slaughter studies (238 individual records) of Saanen goats was used. Allometric equations were developed to determine body protein and energy contents in the empty BW (EBW) as dependent variables and EBW as the allometric predictor. Parameter estimates were obtained using a linearized (log-transformation) expression of the allometric equations using the MIXED procedure in SAS software (SAS Institute Inc., Cary, NC). The model included the random effect of the study and the fixed effects of sex (intact male, castrated male, and female; n = 94, 73, and 71, respectively), EBW, and their interactions. Net requirements for growth were estimated as the first partial derivative of the allometric equations with respect to EBW. Additionally, net requirements for growth were evaluated based on the degree of maturity. Monte Carlo techniques were used to estimate the uncertainty of the calculated net requirement values. Sex affected allometric relationships for protein and energy in Saanen goats. The allometric equation for protein content in the EBW of intact and castrated males was log 10 protein (g) = 2.221 (±0.0224) + 1.015 (±0.0165) × log 10 EBW (kg). For females, the relationship was log 10 protein (g) = 2.277 (±0.0288) + 0.958 (±0.0218) × log 10 EBW (kg). Therefore, NP G for males was greater than for females. The allometric equation for the energy content in the EBW of intact males was log 10 energy (kcal) = 2.988 (±0.0323) + 1.240 (±0.0238) × log 10 EBW (kg); of castrated males, log 10 energy (kcal) = 2.873 (±0.0377) + 1.359 (±0.0283) × log 10 EBW (kg); and of females, log 10 energy (kcal) = 2.820 (±0.0377) + 1.442 (±0.0281) × log 10 EBW (kg). The NE G

  13. Myths about drinking alcohol

    Science.gov (United States)

    ... gov/ency/patientinstructions/000856.htm Myths about drinking alcohol To use the sharing features on this page, ... We know much more about the effects of alcohol today than in the past. Yet, myths remain ...

  14. Meningitis Myths and Facts

    Science.gov (United States)

    ... May 2014) 14 Adult Vaccine-Preventable Diseases Infographic Meningitis Myths and Facts Myth: Meningococcal disease is easy ... infected person, such as shaking hands. Fact: Meningococcal meningitis is spread through air droplets and direct contact ...

  15. Sustainable Skyscrapers: Designing the Net Zero Energy Building of the Future

    Science.gov (United States)

    Kothari, S.; Bartsch, A.

    2016-12-01

    Cities of the future will need to increase population density in order to keep up with the rising populations in the limited available land area. In order to provide sufficient power as the population grows, cities must become more energy efficient. Fossil fuels and grid energy will continue to become more expensive as nonrenewable resources deplete. The obvious solution to increase population density while decreasing the reliance on fossil fuels is to build taller skyscrapers that are energy neutral, i.e. self-sustaining. However, current skyscrapers are not energy efficient, and therefore cannot provide a sustainable solution to the problem of increasing population density in the face of depleting energy resources. The design of a net zero energy building that includes both residential and commercial space is presented. Alternative energy systems such as wind turbines, photovoltaic cells, and a waste-to-fuel conversion plant have been incorporated into the design of a 50 story skyscraper that is not reliant on fossil fuels and has a payback time of about six years. Although the current building was designed to be located in San Francisco, simple modifications to the design would allow this building to fit the needs of any city around the world.

  16. Energy self-reliance, net-energy production and GHG emissions in Danish organic cash crop farms

    DEFF Research Database (Denmark)

    Halberg, Niels; Dalgaard, Randi; Olesen, Jørgen E

    2008-01-01

    -energy production were modeled. Growing rapeseed on 10% of the land could produce bio-diesel to replace 50-60% of the tractor diesel used on the farm. Increasing grass-clover area to 20% of the land and using half of this yield for biogas production could change the cash crop farm to a net energy producer......Organic farming (OF) principles include the idea of reducing dependence of fossil fuels, but little has been achieved on this objective so far in Danish OF. Energy use and greenhouse gas (GHG) emissions from an average 39 ha cash crop farm were calculated and alternative crop rotations for bio......, and reduce GHG emissions while reducing the overall output of products only marginally. Increasing grass-clover area would improve the nutrient management on the farm and eliminate dependence on conventional pig slurry if the biogas residues were returned to cash crop fields...

  17. Biology Myth-Killers

    Science.gov (United States)

    Lampert, Evan

    2014-01-01

    "Biology Myth-Killers" is an activity designed to identify and correct common misconceptions for high school and college introductory biology courses. Students identify common myths, which double as biology misconceptions, and use appropriate sources to share the "truth" about the myths. This learner-centered activity is a fun…

  18. Energy Consumption and Saving Analysis for Laser Engineered Net Shaping of Metal Powders

    Directory of Open Access Journals (Sweden)

    Zhichao Liu

    2016-09-01

    Full Text Available With the increasing awareness of environmental protection and sustainable manufacturing, the environmental impact of laser additive manufacturing (LAM technology has been attracting more and more attention. Aiming to quantitatively analyze the energy consumption and extract possible ways to save energy during the LAM process, this investigation studies the effects of input variables including laser power, scanning speed, and powder feed rate on the overall energy consumption during the laser deposition processes. Considering microhardness as a standard quality, the energy consumption of unit deposition volume (ECUDV, in J/mm3 is proposed as a measure for the average applied energy of the fabricated metal part. The potential energy-saving benefits of the ultrasonic vibration–assisted laser engineering net shaping (LENS process are also examined in this paper. The experimental results suggest that the theoretical and actual values of the energy consumption present different trends along with the same input variables. It is possible to reduce the energy consumption and, at the same time, maintain a good part quality and the optimal combination of the parameters referring to Inconel 718 as a material is laser power of 300 W, scanning speed of 8.47 mm/s and powder feed rate of 4 rpm. When the geometry shaping and microhardness are selected as evaluating criterions, American Iron and Steel Institute (AISI 4140 powder will cause the largest energy consumption per unit volume. The ultrasonic vibration–assisted LENS process cannot only improve the clad quality, but can also decrease the energy consumption to a considerable extent.

  19. Scoping study for compact high-field superconducting net energy tokamaks

    Science.gov (United States)

    Mumgaard, R. T.; Greenwald, M.; Freidberg, J. P.; Wolfe, S. M.; Hartwig, Z. S.; Brunner, D.; Sorbom, B. N.; Whyte, D. G.

    2016-10-01

    The continued development and commercialization of high temperature superconductors (HTS) may enable the construction of compact, net-energy tokamaks. HTS, in contrast to present generation low temperature superconductors, offers improved performance in high magnetic fields, higher current density, stronger materials, higher temperature operation, and simplified assembly. Using HTS along with community-consensus confinement physics (H98 =1) may make it possible to achieve net-energy (Q>1) or burning plasma conditions (Q>5) in DIII-D or ASDEX-U sized, conventional aspect ratio tokamaks. It is shown that, by operating at high plasma current and density enabled by the high magnetic field (B>10T), the required triple products may be achieved at plasma volumes under 20m3, major radii under 2m, with external heating powers under 40MW. This is at the scale of existing devices operated by laboratories, universities and companies. The trade-offs in the core heating, divertor heat exhaust, sustainment, stability, and proximity to known plasma physics limits are discussed in the context of the present tokamak experience base and the requirements for future devices. The resulting HTS-based design space is compared and contrasted to previous studies on high-field copper experiments with similar missions. The physics exploration conducted with such HTS devices could decrease the real and perceived risks of ITER exploitation, and aid in quickly developing commercially-applicable tokamak pilot plants and reactors.

  20. Transformations, Inc.: Partnering to Build Net-Zero Energy Houses in Massachusetts

    Energy Technology Data Exchange (ETDEWEB)

    Ueno, K. [Building Science Corporation, Somerville, MA (United States); Bergey, D. [Building Science Corporation, Somerville, MA (United States); Wytrykowska, H. [Building Science Corporation, Somerville, MA (United States)

    2013-09-01

    Transformations, Inc. is a residential development and building company that has partnered with Building Science Corporation to build new construction net-zero energy houses in Massachusetts under the Building America program. There are three communities that will be constructed through this partnership: Devens Sustainable Housing ('Devens'), The Homes at Easthampton Meadow ('Easthampton') andPhase II of the Coppersmith Way Development ('Townsend'). This report intends to cover all of the single-family new construction homes that have been completed to date. The houses built in these developments are net zero energy homes built in a cold climate. They will contribute to finding answers to specific research questions for homes with high R double stud walls and high efficiency ductlessair source heat pump systems ('mini-splits'); allow to explore topics related to the financing of photovoltaic systems and basements vs. slab-on-grade construction; and provide feedback related to the performance of ductless mini-split air source heat pumps.

  1. Development of net energy ratio and emission factor for quad-generation pathways

    DEFF Research Database (Denmark)

    Rudra, Souman; Rosendahl, Lasse; Kumar, Amit

    2014-01-01

    The conversion of biomass to four different outputs via gasification is a renewable technology that could reduce the use of fossil fuels and greenhouse gas (GHG) emissions. This study investigates the energy aspects for a new concept of biomass based quad-generation plant producing power, heat......, methanol and methane. Circulating fluidized bed gasifier and the gas technology institute (GTI) gasifier technologies are used for this quad-generation process. Two different biomass feedstocks are considered in this study. The net energy ratio for six different pathways having the range of between 1.......3 and 7.2. The lowest limit corresponds to the wood chips-based power, heat, methanol and methane production pathway using GTI technology. Since more efficient alternatives exist for the generation of heat and electricity from biomass, it is argued that syngas is best used for methanol production. The aim...

  2. Energy Use Intensity and its Influence on the Integrated Daylighting Design of a Large Net Zero Energy Building: Preprint

    Energy Technology Data Exchange (ETDEWEB)

    Guglielmetti , R.; Scheib, J.; Pless, S. D.; Torcellini , P.; Petro, R.

    2011-03-01

    Net-zero energy buildings generate as much energy as they consume and are significant in the sustainable future of building design and construction. The role of daylighting (and its simulation) in the design process becomes critical. In this paper we present the process the National Renewable Energy Laboratory embarked on in the procurement, design, and construction of its newest building, the Research Support Facility (RSF) - particularly the roles of daylighting, electric lighting, and simulation. With a rapid construction schedule, the procurement, design, and construction had to be tightly integrated; with low energy use. We outline the process and measures required to manage a building design that could expect to operate at an efficiency previously unheard of for a building of this type, size, and density. Rigorous simulation of the daylighting and the electric lighting control response was a given, but the oft-ignored disconnect between lighting simulation and whole-building energy use simulation had to be addressed. The RSF project will be thoroughly evaluated for its performance for one year; preliminary data from the postoccupancy monitoring efforts will also be presented with an eye toward the current efficacy of building energy and lighting simulation.

  3. Energy generation

    CSIR Research Space (South Africa)

    Osburn, L

    2009-02-01

    Full Text Available be placed in areas of high average wind speeds in order to be as economical as possible. Care should be taken so that the turbine is not placed in the flight paths of birds or bats as they have difficulty in detecting the rapidly moving blades...:865–879. Richards.B.S and Watt.M.E, 2007, Permanently dispelling a myth of photovoltaics via the adoption of a new net energy indicator, Renewable and Sustainable Energy Reviews 11, 162–172. Leithead.W.E, 2007, Wind energy, The Royal Society. Eltrop...

  4. Net energy payback and CO2 emissions from three midwestern wind farms: An update

    Science.gov (United States)

    White, S.W.

    2006-01-01

    This paper updates a life-cycle net energy analysis and carbon dioxide emissions analysis of three Midwestern utility-scale wind systems. Both the Energy Payback Ratio (EPR) and CO2 analysis results provide useful data for policy discussions regarding an efficient and low-carbon energy mix. The EPR is the amount of electrical energy produced for the lifetime of the power plant divided by the total amount of energy required to procure and transport the materials, build, operate, and decommission the power plants. The CO2 analysis for each power plant was calculated from the life-cycle energy input data. A previous study also analyzed coal and nuclear fission power plants. At the time of that study, two of the three wind systems had less than a full year of generation data to project the life-cycle energy production. This study updates the analysis of three wind systems with an additional four to eight years of operating data. The EPR for the utility-scale wind systems ranges from a low of 11 for a two-turbine system in Wisconsin to 28 for a 143-turbine system in southwestern Minnesota. The EPR is 11 for coal, 25 for fission with gas centrifuge enriched uranium and 7 for gaseous diffusion enriched uranium. The normalized CO2 emissions, in tonnes of CO2 per GW eh, ranges from 14 to 33 for the wind systems, 974 for coal, and 10 and 34 for nuclear fission using gas centrifuge and gaseous diffusion enriched uranium, respectively. ?? Springer Science+Business Media, LLC 2007.

  5. Nearly Net-Zero Exergy Districts as Models for Smart Energy Systems

    Directory of Open Access Journals (Sweden)

    Şiir Kilkiş

    2017-03-01

    Full Text Available The planning of urban settlements requires a targeted approach towards more sustainable energy, water, and environment systems. This research work analyses the city of Uppsala and a district that is an urban renewal project at the site of former high voltage power lines, namely Östra Sala backe, which will have a new energy concept. The latter is analysed based on proposals for two phases that aim to reach a net-zero district target based on the quality of energy (exergy. An indicator set with five main categories is introduced based on per capita values to enable a comparable basis between the scales of the city and the district, including exergy per capita as a new indicator. The present status of Uppsala is further analysed based on Sankey diagrams to provide insight into the present urban metabolism of the city. The results indicate that the best practice values of Östra Sala backe based on phase two can achieve significant savings in per capita values, which include 5.5 MWh of energy usage, 6.1 MWh of exergy consumption, 33 m3 of water consumption, 22 kg of waste generation, and 4.2 tonnes of carbon dioxide (CO2 emissions. Additional scenarios for Uppsala indicate that the district can be about 10 years ahead of the city’s existing performance.

  6. Chapter 21: Estimating Net Savings - Common Practices. The Uniform Methods Project: Methods for Determining Energy Efficiency Savings for Specific Measures

    Energy Technology Data Exchange (ETDEWEB)

    Kurnik, Charles W [National Renewable Energy Laboratory (NREL), Golden, CO (United States); Violette, Daniel M. [Navigant, Boulder, CO (United States); Rathbun, Pamela [Tetra Tech, Madison, WI (United States)

    2017-11-02

    This chapter focuses on the methods used to estimate net energy savings in evaluation, measurement, and verification (EM and V) studies for energy efficiency (EE) programs. The chapter provides a definition of net savings, which remains an unsettled topic both within the EE evaluation community and across the broader public policy evaluation community, particularly in the context of attribution of savings to a program. The chapter differs from the measure-specific Uniform Methods Project (UMP) chapters in both its approach and work product. Unlike other UMP resources that provide recommended protocols for determining gross energy savings, this chapter describes and compares the current industry practices for determining net energy savings but does not prescribe methods.

  7. Control of Greenhouse Gas Emissions by Optimal DER Technology Investment and Energy Management in Zero-Net-Energy Buildings

    Energy Technology Data Exchange (ETDEWEB)

    Stadler, Michael; Siddiqui, Afzal; Marnay, Chris; Aki, Hirohisa; Lai, Judy

    2009-08-10

    The U.S. Department of Energy has launched the commercial building initiative (CBI) in pursuit of its research goal of achieving zero-net-energy commercial buildings (ZNEB), i.e. ones that produce as much energy as they use. Its objective is to make these buildings marketable by 2025 such that they minimize their energy use through cutting-edge, energy-efficiency technologies and meet their remaining energy needs through on-site renewable energy generation. This paper examines how such buildings may be implemented within the context of a cost- or CO2-minimizing microgrid that is able to adopt and operate various technologies: photovoltaic modules (PV) and other on-site generation, heat exchangers, solar thermal collectors, absorption chillers, and passive/demand-response technologies. A mixed-integer linear program (MILP) that has a multi-criteria objective function is used. The objective is minimization of a weighted average of the building's annual energy costs and CO2 emissions. The MILP's constraints ensure energy balance and capacity limits. In addition, constraining the building's energy consumed to equal its energy exports enables us to explore how energy sales and demand-response measures may enable compliance with the ZNEB objective. Using a commercial test site in northernCalifornia with existing tariff rates and technology data, we find that a ZNEB requires ample PV capacity installed to ensure electricity sales during the day. This is complemented by investment in energy-efficient combined heat and power (CHP) equipment, while occasional demand response shaves energy consumption. A large amount of storage is also adopted, which may be impractical. Nevertheless, it shows the nature of the solutions and costs necessary to achieve a ZNEB. Additionally, the ZNEB approach does not necessary lead to zero-carbon (ZC) buildings as is frequently argued. We also show a multi-objective frontier for the CA example, whichallows us to estimate the

  8. Higher moments of net kaon multiplicity distributions at RHIC energies for the search of QCD Critical Point at STAR

    Directory of Open Access Journals (Sweden)

    Sarkar Amal

    2013-11-01

    Full Text Available In this paper we report the measurements of the various moments mean (M, standard deviation (σ skewness (S and kurtosis (κ of the net-Kaon multiplicity distribution at midrapidity from Au+Au collisions at √sNN = 7.7 to 200 GeV in the STAR experiment at RHIC in an effort to locate the critical point in the QCD phase diagram. These moments and their products are related to the thermodynamic susceptibilities of conserved quantities such as net baryon number, net charge, and net strangeness as also to the correlation length of the system. A non-monotonic behavior of these variable indicate the presence of the critical point. In this work we also present the moments products Sσ, κσ2 of net-Kaon multiplicity distribution as a function of collision centrality and energies. The energy and the centrality dependence of higher moments of net-Kaons and their products have been compared with it0s Poisson expectation and with simulations from AMPT which does not include the critical point. From the measurement at all seven available beam energies, we find no evidence for a critical point in the QCD phase diagram for √sNN below 200 GeV.

  9. ASAS centennial paper: net energy systems for beef cattle--concepts, application, and future models.

    Science.gov (United States)

    Ferrell, C L; Oltjen, J W

    2008-10-01

    Development of nutritional energetics can be traced to the 1400s. Lavoisier established relationships among O(2) use, CO(2) production and heat production in the late 1700s, and the laws of thermodynamics and law of Hess were discovered during the 1840s. Those discoveries established the fundamental bases for nutritional energetics and enabled the fundamental entity ME = retained energy + heat energy to be established. Objectives became: 1) to establish relationships between gas exchange and heat energy, 2) to devise bases for evaluation of foods that could be related to energy expenditures, and 3) to establish causes of energy expenditures. From these endeavors, the basic concepts of energy partitioning by animals were developed, ultimately resulting in the development of feeding systems based on NE concepts. The California Net Energy System, developed for finishing beef cattle, was the first to be based on retained energy as determined by comparative slaughter and the first to use 2 NE values (NE(m) and NE(g)) to describe feed and animal requirements. The system has been broadened conceptually to encompass life cycle energy requirements of beef cattle and modified by the inclusion of numerous adjustments to address factors known to affect energy requirements and value of feed to meet those needs. The current NE system remains useful but is empirical and static in nature and thus fails to capture the dynamics of energy utilization by diverse animals as they respond to changing environmental conditions. Consequently, efforts were initiated to develop dynamic simulation models that captured the underlying biology and thus were sensitive to variable genetic and environmental conditions. Development of a series of models has been described to show examples of the conceptual evolution of dynamic, mechanistic models and their applications. Generally with each new system, advances in prediction accuracy came about by adding new terms to conceptually validated models

  10. Turbulence induces metabolically costly behaviors and inhibits food capture in oyster larvae, causing net energy loss.

    Science.gov (United States)

    Fuchs, Heidi L; Specht, Jaclyn A; Adams, Diane K; Christman, Adam J

    2017-10-01

    Planktotrophic invertebrate larvae require energy to develop, disperse and settle successfully, and it is unknown how their energetics are impacted by turbulence. Ciliated larvae gain metabolic energy from their phytoplankton food to offset the energetic costs of growth, development and ciliary activity for swimming and feeding. Turbulence may affect the energetic balance by inducing behaviors that alter the metabolic costs and efficiency of swimming, by raising the encounter rate with food particles and by inhibiting food capture. We used experiments and an empirical model to quantify the net rate of energy gain, swimming efficiency and food capture efficiency for eyed oyster larvae (Crassostrea virginica) in turbulence. At dissipation rates representative of coastal waters, larvae lost energy even when food concentrations were very high. Both feeding activity and turbulence-induced behaviors incurred high metabolic costs. Swimming efficiency was concave up versus dissipation rate, suggesting that ciliary activity for food handling became more costly while swimming became more efficient with turbulence intensity. Though counter-intuitive, swimming may have become more efficient in turbulence because vorticity-induced rotation caused larvae to swim more horizontally, which requires less effort than swimming vertically against the pull of gravity. Overall, however, larvae failed to offset high activity costs with food energy gains because turbulence reduced food capture efficiency more than it enhanced food encounter rates. Younger, smaller larvae may have some energetic advantages, but competent larvae would lose energy at turbulence intensities they experience frequently, suggesting that turbulence-induced starvation may account for much of oysters' high larval mortality. © 2017. Published by The Company of Biologists Ltd.

  11. Design of advanced solar homes aimed at net-zero annual energy consumption in Canada

    Energy Technology Data Exchange (ETDEWEB)

    Athienitis, Andreas

    2010-09-15

    This paper overviews the design of three sustainable low or net-zero energy solar homes in Canada. The major features of the houses are: 1. direct gain passive solar design that emphasizes utilization of distributed thermal mass in the equatorial-facing part of the ground floor; 2. a building-integrated photovoltaic-thermal system (BIPV/T); 3. a two-stage ground-source heat pump used to heat/cool air in the house or an air source heat pump using BIPV/T air as the source to heat a storage tank; 4. a floor heating system integrated in the floor mass of the direct gain zone; 5. a multizone programmable thermostat.

  12. Photonic microstructures for energy-generating clear glass and net-zero energy buildings

    Science.gov (United States)

    Vasiliev, Mikhail; Alghamedi, Ramzy; Nur-E-Alam, Mohammad; Alameh, Kamal

    2016-08-01

    Transparent energy-harvesting windows are emerging as practical building-integrated photovoltaics (BIPV), capable of generating electricity while simultaneously reducing heating and cooling demands. By incorporating spectrally-selective diffraction gratings as light deflecting structures of high visible transparency into lamination interlayers and using improved spectrally-selective thin-film coatings, most of the visible solar radiation can be transmitted through the glass windows with minimum attenuation. At the same time, the ultraviolet (UV) and a part of incident solar infrared (IR) radiation energy are converted and/or deflected geometrically towards the panel edge for collection by CuInSe2 solar cells. Experimental results show power conversion efficiencies in excess of 3.04% in 10 cm × 10 cm vertically-placed clear glass panels facing direct sunlight, and up to 2.08% in 50 cm × 50 cm installation-ready framed window systems. These results confirm the emergence of a new class of solar window system ready for industrial application.

  13. Solar array design based on shadow analysis for increasing net energy collection in a competition vehicle

    Science.gov (United States)

    Osorio-Gómez, Gilberto; Mejía-Gutiérrez, Ricardo; Suárez-Castañeda, Nicolás; Gil-Herrera, Ana; Barrera-Velásquez, Jorge

    2015-01-01

    Photovoltaic (PV) applications such as in the architectural, automotive, and aerospace industries face design contradictions because they are expected to produce a lot of energy but are constrained by available area, surface shape, incident irradiance, shadows, and other aspects that have a negative influence on the energy produced by the solar panel. Solar competition vehicles are some of these challenging PV applications. The design of such solar arrays needs to consider efficiency evaluation in order to optimize space; it is difficult not to install solar modules in areas impacted by shadows. A design procedure for a solar array configuration based on shadow analysis for competition vehicles is presented. The principle is that shadows in moving objects can be simulated, since the vehicle, the earth and the sun are are moving in semipredictable patterns, thus net energy collection can be forecast. The case study presented is the solar array design of a vehicle that participated in the World Solar Challenge 2013. The obtained results illustrate how the employment of the procedure gives insights on important aspects to consider and also delivers qualitative and quantitative information for decision making. In addition, the experience in competition highlights some issues to be considered, modified, or improved in further vehicle designs.

  14. Energy indicators for electricity production : comparing technologies and the nature of the indicators Energy Payback Ratio (EPR), Net Energy Ratio (NER) and Cumulative Energy Demand (CED). [Oestfoldforskning AS

    Energy Technology Data Exchange (ETDEWEB)

    Raadal, Hanne Lerche [Ostfold research, Fredrikstad (Norway); Modahl, Ingunn Saur [Ostfold research, Fredrikstad (Norway); Bakken, Tor Haakon [SINTEF Energy, Trondheim (Norway)

    2012-11-01

    CEDREN (Centre for Environmental Design of Renewable Energy) is founded by The Research Council of Norway and energy companies and is one of eight centres that were part of the scheme Centre for Environment-friendly Energy Research (FME) when the scheme was launched in 2009. The main objective of CEDREN is to develop and communicate design solutions for transforming renewable energy sources to the desired energy products, and at the same time address the environmental and societal challenges at local, regional, national and global levels. CEDREN's board initiated in 2011 a pilot project on the topics 'Energy Pay-back Ratio (EPR)', 'Ecosystem services' and 'multi-criteria analysis (MCA)' in order to investigate the possible use of these concepts/indices in the management of regulated river basins and as tools to benchmark strategies for the development of energy projects/resources. The energy indicator part (documented in this report) has aimed at reviewing the applicability of different energy efficiency indicators, as such, in the strategic management and development of energy resources, and to compare and benchmark technologies for production of electricity. The main findings from this pilot study is also reported in a policy memo (in Norwegian), that is available at www.cedren.no. The work carried out in this project will be continued in the succeeding research project EcoManage, which was granted by the Research Council of Norway's RENERGI programme in December 2011. Energy indicators: Several energy indicators for extraction and delivery of an energy product (e.g. transport fuel, heat, electricity etc.) exist today. The main objective of such indicators is to give information about the energy efficiency of the needed extraction and transforming processes throughout the value chain related to the delivered energy product. In this project the indicators Energy Payback Ratio (EPR), Net Energy Ration (NER) and Cumulative

  15. Renewable and non-renewable energy consumption and economic growth: Evidence from MENA Net Oil Importing Countries

    OpenAIRE

    Kahia, Montassar; Ben Aissa, Mohamed Safouane

    2014-01-01

    In this paper, we use panel cointegration techniques to explore the relationship between renewable and non-renewable energy consumption and economic growth in a sample of 11 MENA Net Oil Importing Countries covering the period 1980–2012. The Pedroni (1999, 2004), Kao(1999) as well as Westerlund(2007) panel cointegration tests indicate that there is a long-run equilibrium relationship between real GDP, renewable energy consumption, non-renewable energy consumption, real gross fixed capital for...

  16. Do physicists need myths?

    Science.gov (United States)

    Brown, Harold I.

    2006-05-01

    In textbooks and popular writings physicists repeat familiar stories about the history of physics that historians have long identified as myths. Examples of remarks about Galileo and Aristotle are used to illustrate this practice. These examples lead to a discussion of several reasons why these myths might play a positive role for physicists and whether physicists can dispense with myths about the history of their field.

  17. Preliminary Design of a Solar Photovoltaic Array for Net-Zero Energy Buildings at NASA Langley

    Science.gov (United States)

    Cole, Stuart K.; DeYoung, Russell J.

    2012-01-01

    An investigation was conducted to evaluate photovoltaic (solar electric systems) systems for a single building at NASA Langley as a representative case for alternative sustainable power generation. Building 1250 in the Science Directorate is comprised of office and laboratory space, and currently uses approximately 250,000 kW/month of electrical power with a projected use of 200,000 kW/month with additional conservation measures. The installation would be applied towards a goal for having Building 1250 classified as a net-zero energy building as it would produce as much energy as it uses over the course of a year. Based on the facility s electrical demand, a photovoltaic system and associated hardware were characterized to determine the optimal system, and understand the possible impacts from its deployment. The findings of this investigation reveal that the 1.9 MW photovoltaic electrical system provides favorable and robust results. The solar electric system should supply the needed sustainable power solution especially if operation and maintenance of the system will be considered a significant component of the system deployment.

  18. Development of net energy ratio and emission factor for biohydrogen production pathways.

    Science.gov (United States)

    Kabir, Md Ruhul; Kumar, Amit

    2011-10-01

    This study investigates the energy and environmental aspects of producing biohydrogen for bitumen upgrading from a life cycle perspective. Three technologies are studied for biohydrogen production; these include the Battelle Columbus Laboratory (BCL) gasifier, the Gas Technology Institute (GTI) gasifier, and fast pyrolysis. Three different biomass feedstocks are considered including forest residue (FR), whole forest (WF), and agricultural residue (AR). The fast pyrolysis pathway includes two cases: truck transport of bio-oil and pipeline transport of bio-oil. The net energy ratios (NERs) for nine biohydrogen pathways lie in the range of 1.3-9.3. The maximum NER (9.3) is for the FR-based pathway using GTI technology. The GHG emissions lie in the range of 1.20-8.1 kg CO₂ eq/kg H₂. The lowest limit corresponds to the FR-based biohydrogen production pathway using GTI technology. This study also analyzes the intensities for acid rain precursor and ground level ozone precursor. Copyright © 2011 Elsevier Ltd. All rights reserved.

  19. Energy dependence of moments of net-proton multiplicity distributions at RHIC.

    Science.gov (United States)

    Adamczyk, L; Adkins, J K; Agakishiev, G; Aggarwal, M M; Ahammed, Z; Alekseev, I; Alford, J; Anson, C D; Aparin, A; Arkhipkin, D; Aschenauer, E C; Averichev, G S; Balewski, J; Banerjee, A; Barnovska, Z; Beavis, D R; Bellwied, R; Bhasin, A; Bhati, A K; Bhattarai, P; Bichsel, H; Bielcik, J; Bielcikova, J; Bland, L C; Bordyuzhin, I G; Borowski, W; Bouchet, J; Brandin, A V; Brovko, S G; Bültmann, S; Bunzarov, I; Burton, T P; Butterworth, J; Caines, H; Calderón de la Barca Sánchez, M; Cebra, D; Cendejas, R; Cervantes, M C; Chaloupka, P; Chang, Z; Chattopadhyay, S; Chen, H F; Chen, J H; Chen, L; Cheng, J; Cherney, M; Chikanian, A; Christie, W; Chwastowski, J; Codrington, M J M; Corliss, R; Cramer, J G; Crawford, H J; Cui, X; Das, S; Davila Leyva, A; De Silva, L C; Debbe, R R; Dedovich, T G; Deng, J; Derevschikov, A A; Derradi de Souza, R; Dhamija, S; di Ruzza, B; Didenko, L; Dilks, C; Ding, F; Djawotho, P; Dong, X; Drachenberg, J L; Draper, J E; Du, C M; Dunkelberger, L E; Dunlop, J C; Efimov, L G; Engelage, J; Engle, K S; Eppley, G; Eun, L; Evdokimov, O; Fatemi, R; Fazio, S; Fedorisin, J; Filip, P; Finch, E; Fisyak, Y; Flores, C E; Gagliardi, C A; Gangadharan, D R; Garand, D; Geurts, F; Gibson, A; Girard, M; Gliske, S; Grosnick, D; Guo, Y; Gupta, A; Gupta, S; Guryn, W; Haag, B; Hajkova, O; Hamed, A; Han, L-X; Haque, R; Harris, J W; Hays-Wehle, J P; Heppelmann, S; Hirsch, A; Hoffmann, G W; Hofman, D J; Horvat, S; Huang, B; Huang, H Z; Huck, P; Humanic, T J; Igo, G; Jacobs, W W; Jang, H; Judd, E G; Kabana, S; Kalinkin, D; Kang, K; Kauder, K; Ke, H W; Keane, D; Kechechyan, A; Kesich, A; Khan, Z H; Kikola, D P; Kisel, I; Kisiel, A; Koetke, D D; Kollegger, T; Konzer, J; Koralt, I; Korsch, W; Kotchenda, L; Kravtsov, P; Krueger, K; Kulakov, I; Kumar, L; Kycia, R A; Lamont, M A C; Landgraf, J M; Landry, K D; Lauret, J; Lebedev, A; Lednicky, R; Lee, J H; Leight, W; LeVine, M J; Li, C; Li, W; Li, X; Li, X; Li, Y; Li, Z M; Lima, L M; Lisa, M A; Liu, F; Ljubicic, T; Llope, W J; Longacre, R S; Luo, X; Ma, G L; Ma, Y G; Madagodagettige Don, D M M D; Mahapatra, D P; Majka, R; Margetis, S; Markert, C; Masui, H; Matis, H S; McDonald, D; McShane, T S; Minaev, N G; Mioduszewski, S; Mohanty, B; Mondal, M M; Morozov, D A; Munhoz, M G; Mustafa, M K; Nandi, B K; Nasim, Md; Nayak, T K; Nelson, J M; Nogach, L V; Noh, S Y; Novak, J; Nurushev, S B; Odyniec, G; Ogawa, A; Oh, K; Ohlson, A; Okorokov, V; Oldag, E W; Oliveira, R A N; Pachr, M; Page, B S; Pal, S K; Pan, Y X; Pandit, Y; Panebratsev, Y; Pawlak, T; Pawlik, B; Pei, H; Perkins, C; Peryt, W; Peterson, A; Pile, P; Planinic, M; Pluta, J; Plyku, D; Poljak, N; Porter, J; Poskanzer, A M; Pruthi, N K; Przybycien, M; Pujahari, P R; Putschke, J; Qiu, H; Quintero, A; Ramachandran, S; Raniwala, R; Raniwala, S; Ray, R L; Riley, C K; Ritter, H G; Roberts, J B; Rogachevskiy, O V; Romero, J L; Ross, J F; Roy, A; Ruan, L; Rusnak, J; Sahoo, N R; Sahu, P K; Sakrejda, I; Salur, S; Sandacz, A; Sandweiss, J; Sangaline, E; Sarkar, A; Schambach, J; Scharenberg, R P; Schmah, A M; Schmidke, W B; Schmitz, N; Seger, J; Seyboth, P; Shah, N; Shahaliev, E; Shanmuganathan, P V; Shao, M; Sharma, B; Shen, W Q; Shi, S S; Shou, Q Y; Sichtermann, E P; Singaraju, R N; Skoby, M J; Smirnov, D; Smirnov, N; Solanki, D; Sorensen, P; deSouza, U G; Spinka, H M; Srivastava, B; Stanislaus, T D S; Stevens, J R; Stock, R; Strikhanov, M; Stringfellow, B; Suaide, A A P; Sumbera, M; Sun, X; Sun, X M; Sun, Y; Sun, Z; Surrow, B; Svirida, D N; Symons, T J M; Szanto de Toledo, A; Takahashi, J; Tang, A H; Tang, Z; Tarnowsky, T; Thomas, J H; Timmins, A R; Tlusty, D; Tokarev, M; Trentalange, S; Tribble, R E; Tribedy, P; Trzeciak, B A; Tsai, O D; Turnau, J; Ullrich, T; Underwood, D G; Van Buren, G; van Nieuwenhuizen, G; Vanfossen, J A; Varma, R; Vasconcelos, G M S; Vasiliev, A N; Vertesi, R; Videbæk, F; Viyogi, Y P; Vokal, S; Voloshin, S A; Vossen, A; Wada, M; Walker, M; Wang, F; Wang, G; Wang, H; Wang, J S; Wang, X L; Wang, Y; Wang, Y; Webb, G; Webb, J C; Westfall, G D; Wieman, H; Wissink, S W; Witt, R; Wu, Y F; Xiao, Z; Xie, W; Xin, K; Xu, H; Xu, N; Xu, Q H; Xu, Y; Xu, Z; Yan, W; Yang, C; Yang, Y; Yang, Y; Ye, Z; Yepes, P; Yi, L; Yip, K; Yoo, I-K; Zawisza, Y; Zbroszczyk, H; Zha, W; Zhang, J B; Zhang, S; Zhang, X P; Zhang, Y; Zhang, Z P; Zhao, F; Zhao, J; Zhong, C; Zhu, X; Zhu, Y H; Zoulkarneeva, Y; Zyzak, M

    2014-01-24

    We report the beam energy (sqrt[sNN]=7.7-200  GeV) and collision centrality dependence of the mean (M), standard deviation (σ), skewness (S), and kurtosis (κ) of the net-proton multiplicity distributions in Au+Au collisions. The measurements are carried out by the STAR experiment at midrapidity (|y|<0.5) and within the transverse momentum range 0.4Energy Scan program at the Relativistic Heavy Ion Collider. These measurements are important for understanding the quantum chromodynamic phase diagram. The products of the moments, Sσ and κσ2, are sensitive to the correlation length of the hot and dense medium created in the collisions and are related to the ratios of baryon number susceptibilities of corresponding orders. The products of moments are found to have values significantly below the Skellam expectation and close to expectations based on independent proton and antiproton production. The measurements are compared to a transport model calculation to understand the effect of acceptance and baryon number conservation and also to a hadron resonance gas model.

  20. Islamic Myths and Memories

    DEFF Research Database (Denmark)

    Islamic myths and collective memory are very much alive in today’s localized struggles for identity, and are deployed in the ongoing construction of worldwide cultural networks. This book brings the theoretical perspectives of myth-making and collective memory to the study of Islam and globalizat......Islamic myths and collective memory are very much alive in today’s localized struggles for identity, and are deployed in the ongoing construction of worldwide cultural networks. This book brings the theoretical perspectives of myth-making and collective memory to the study of Islam...

  1. Net energy production and emissions mitigation of domestic wastewater treatment system: a comparison of different biogas-sludge use alternatives.

    Science.gov (United States)

    Chen, Shaoqing; Chen, Bin

    2013-09-01

    Wastewater treatment systems are increasingly designed for the recovery of valuable chemicals and energy in addition to waste stream disposal. Herein, the life-cycle energy production and emissions mitigation of a typical domestic wastewater treatment system were assessed, in which different combinations of biogas use and sludge processing lines for industrial or household applications were considered. The results suggested that the reuse of biogas and sludge was so important in the system's overall energy balance and environmental performance that it may offset the cost in the plant's installation and operation. Combined heat and power and household utilization were two prior options for net energy production, provided an ideal power conversion efficiency and biogas production. The joint application of household biogas use and sludge nutrient processing achieved both high net energy production and significant environmental remediation across all impact categories, representing the optimal tradeoff for domestic wastewater treatment. Copyright © 2013 Elsevier Ltd. All rights reserved.

  2. International Clean Energy System Using Hydrogen Conversion (WE-NET). subtask 3. Study on the global network; Suiso riyo kokusai clean energy system gijutsu (WE-NET). subtask 3. Global network kenkyu

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-03-01

    As a part of the WE-NET project, the introduction condition of hydrogen as substituting energy and CO2 reduction effect were analyzed using a global energy model. The WE-NET project aims at global-wide introduction of clean energy by converting abundant renewable clean energy into hydrogen transportable to distant consumers all over the world. The study result in fiscal 1996 is as follows. Undeveloped hydroelectric resources in the world are estimated to be 12 trillion kWh/y equivalent to the existing developed one in the world. Since the cost of the hydroelectric power generation projects over 1000MW in the planning stage is estimated to be 0.02-0.05$/kWh lower than that of other renewable energies, such projects are expected as energy source in the initial stage of the practical WE-NET project. The GREEN model was modified by adding a hydrogen analysis function, and extending an analysis period. The modified model allowed evaluation of the long-term important role of hydrogen energy, in particular, the capability of CO2 gas reduction all over the world. 28 refs., 92 figs., 56 tabs.

  3. A Governance Perspective on Net Zero Energy Building Niche Development in India: The Case of New Delhi

    NARCIS (Netherlands)

    Jain, Mansi; Hoppe, T.; Bressers, Hans

    2017-01-01

    The net zero-energy building (NZEB) concept has recently gained prominence worldwide. Large scale adoption and implementation of NZEBs would potentially contribute greatly to greening of the building sector. However, it is still at a nascent stage of niche formation. This paper aims to assess the

  4. Cost Control Best Practices for Net Zero Energy Building Projects: Preprint

    Energy Technology Data Exchange (ETDEWEB)

    Leach, M.; Pless, S.; Torcellini, P.

    2014-02-01

    For net zero energy (NZE) buildings to become the norm in commercial construction, it will be necessary to design and construct these buildings cost effectively. While industry leaders have developed workflows (for procurement, design, and construction) to achieve cost-effective NZE buildings for certain cases, the expertise embodied in those workflows has limited penetration within the commercial building sector. Documenting cost control best practices of industry leaders in NZE and packaging those strategies for adoption by the commercial building sector will help make the business case for NZE. Furthermore, it will promote market uptake of the innovative technologies and design approaches needed to achieve NZE. This paper summarizes successful cost control strategies for NZE procurement, design, and construction that key industry users (such as building owners, architects, and designers) can incorporate into their everyday workflows. It will also evaluate the current state of NZE economics and propose a path forward for greater market penetration of NZE buildings. By demonstrating how to combine NZE technologies and design approaches into an overall efficiency package that can be implemented at minimal (zero, in certain cases) incremental capital cost, the domain of NZE design and construction can be expanded from a niche market to the commercial construction mainstream.

  5. Myths of Library Automation.

    Science.gov (United States)

    Hegarty, Kevin

    1985-01-01

    This analysis of nine myths of library automation highlights cost effectiveness, circulation control and delinquency rates, budget allocation, staff needs, technical services productivity, the online catalog, need for consultants, the MARC format, and turnkey systems. Views of the reality regarding each myth are offered. (EJS)

  6. Stars and Star Myths.

    Science.gov (United States)

    Eason, Oliver

    Myths and tales from around the world about constellations and facts about stars in the constellations are presented. Most of the stories are from Greek and Roman mythology; however, a few Chinese, Japanese, Polynesian, Arabian, Jewish, and American Indian tales are also included. Following an introduction, myths are presented for the following 32…

  7. Debunking the Cinderella Myth.

    Science.gov (United States)

    Lee, Mildred K.

    1984-01-01

    Focuses on debunking the Cinderella Myth--that relates the tale of Cinderella who is abused and exploited until she finds Prince Charming and lives happily ever after--and indicates that the same strategies are applicable to the debunking of other sex-biased myths. (JOW)

  8. The potential of net zero energy buildings (NZEBs) concept at design stage for healthcare buildings towards sustainable development

    Science.gov (United States)

    Hazli Abdellah, Roy; Asrul Nasid Masrom, Md; Chen, Goh Kai; Mohamed, Sulzakimin; Omar, Roshartini

    2017-11-01

    The focus on net-zero energy buildings (NZEBs) has been widely analysed and discussed particularly when European Union Parliament are progressively moving towards regulation that promotes the improvement of energy efficiency (EE). Additionally, it also to reduce energy consumption through the recast of the EU Directive on Energy Performance of Buildings (EPBD) in which all new buildings to be “nearly Zero-Energy” Buildings by 2020. Broadly, there is a growing trend to explore the feasibility of net zero energy in healthcare sector as the level energy consumption for healthcare sector is found significantly high. Besides that, healthcare buildings energy consumption also exceeds of many other nondomestic building types, and this shortcoming is still undetermined yet especially for developing countries. This paper aims to review the potential of NZEBs in healthcare buildings by considering its concept in design features. Data are gathered through a comprehensive energy management literature review from previous studies. The review is vital to encourage construction players to increase their awareness, practices, and implementation of NZEBs in healthcare buildings. It suggests that NZEBs concept has a potential to be adapted in healthcare buildings through emphasizing of passive approach as well as the utilization of energy efficiency systems and renewable energy systems in buildings. This paper will provide a basis knowledge for construction key players mainly architects to promote NZEBs concept at design stage for healthcare buildings development.

  9. Energy potential, energy ratios, and the amount of net energy in Finnish field crop production; Peltobioenergian tuotanto Suomessa. Potentiaali, energiasuhteet ja nettoenergia

    Energy Technology Data Exchange (ETDEWEB)

    Mikkola, H.

    2012-11-01

    Energy potential, energy ratios, and the amount of net energy in Finnish field crop production were studied in this thesis. Special attention was paid to indirect energy inputs and how to treat them in energy analysis. Manufacturing of machines and agrochemicals and production of seeds are examples of indirect energy inputs.The bioenergy potential of the Finnish field crop production could be as large as 12 - 22 TWh, or 3 - 5% of the total energy consumption in Finland in 2008. The major part of this energy would originate from straw and biomass like reed canary grass cultivated for energy use. However, only 0.5 TWh of the potential is utilized. The output/input energy ratios of the studied field crops varied from 3 to 18, being highest (18) for reed canary grass and second highest (7) for sugar beet and grass cultivated for silage. The energy ratio of cereals and oil seed crops varied from 3 to 5 if only the yield of seeds was considered. If the yield of straw and stems was also taken into account the energy ratios would have been almost twofold. The energy ratios for Finnish wheat and barley were as high as those gained in Italian and Spanish conditions, respectively. However, the energy ratios of maize, elephant grass and giant reed were even over 50 in Central and Southern Europe. Plants that use the C4 photosynthesis pathway and produce high biomass yields thrive best in warm and sunny climate conditions. They use nitrogen and water more sparingly than C3 plants typically thriving in the cooler part of the temperate zone. When evaluating energy ratios for field crops it should be kept in mind that the maximal energy potential of the energy crop is the heating value of the dry matter at the field gate. Transportation of the crop and production of liquid fuels and electricity from biomass lowers the energy ratio. A comparison of field energy crops to a reforested field suggested that fast growing trees, as hybrid aspen and silver birch, would yield almost as

  10. International Clean Energy System Using Hydrogen Conversion (WE-NET). subtask 2. Research study on promotion of international cooperation; Suiso riyo kokusai clean energy system gijutsu (WE-NET). subtask 2. Kokusai kyoryoku suishin no tame no chosa kento

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-03-01

    This paper describes the research result on promotion of international cooperation in the WE-NET project in fiscal 1996. The WE-NET project aims at development of the total system for hydrogen production, transport, storage and utilization, and construction of the earth-friendly innovative global clean energy network integrating elemental technologies. Since the standpoint is different between latent resource supplying countries and technology supplying countries, the WE-NET project should be constantly promoted under international understanding and cooperation. The committee distributed the annual summary report prepared by NEDO to overseas organizations, and made positive PR activities in the 11th World Conference and others. The committee made the evaluation on the improvement effect of air pollution by introducing a hydrogen vehicle in combination with Stanford University, and preparation of PR video tapes for hydrogen energy. Preliminary arrangement of Internet home pages, establishment of a long-term vision for international cooperation, and proposal toward the practical WE-NET are also made. 9 figs., 13 tabs.

  11. Dossier Autarky. Own energy first. Without the net. Bureaucracy hinders self supply; Het Dossier Autarkie. Eigen energie eerst. Los van het net. Bureaucratie belemmert zelfvoorziening

    Energy Technology Data Exchange (ETDEWEB)

    Zeilmaker, R.

    2010-08-20

    Autarky in the field of energy is technically feasible and economically increasingly more attractive. The government makes it difficult for citizens to generate decentralized renewable energy with its bureaucracy and legislation. [Dutch] Autarkie op energiegebied is technisch mogelijk en ook economisch steeds aantrekkelijker bij stijgende rekeningen voor nutsvoorzieningen. De overheid maakt het burgers met bureaucratie en wetgeving echter lastig om decentraal duurzame energie op te wekken.

  12. Apparent metabolizable and net energy values of corn and soybean meal for broiler breeding cocks.

    Science.gov (United States)

    Liu, W; Liu, G H; Liao, R B; Chang, Y L; Huang, X Y; Wu, Y B; Yang, H M; Yan, H J; Cai, H Y

    2017-01-01

    The AME and net energy (NE) values of 4 corn varieties, including 2 normal corn varieties (Zheng Dan 958 and Xian Yu 335), and one each of waxy corn and sweet corn, and 2 soybean meal samples including regular (RSBM) and dehulled soybean meal (DSBM), were determined in 2 experiments for broiler breeding cocks using the indirect calorimetry method. The 4 test diets in Experiment 1 consisted of each test corn, which replaced 40% of the corn-soybean meal basal diet, and the test diets in Experiment 2 contained 25% RSBM or DSBM, which was used to replace the corn basal diet. Thirty (Experiment 1) or 18 (Experiment 2) 50-week-old Arbor Acre (AA) broiler breeding cocks were used in a completely randomized design. After a 7 d dietary adaptation period, 6 birds as replicates from each treatment were assigned to individual respiration chambers for energy measurement via gaseous exchange and total excreta collection for 10 d. In Experiment 1, the AME, ME intake (MEI), retained energy (RE), NE, and NE:AME ratio values were higher (P < 0.001) in the test diets as compared with the corn-soybean meal basal diet. The AME and NE values in the sweet corn diet were higher (P < 0.05) than those values in the other 3 test diets. The heat production (HP), fasting heat production (FHP), and respiration quotient (RQ) were not influenced by the various experimental diets. The respective AME and NE values were 3,785, 3,775, 3,738, and 3,997 kcal/kg (DM basis), and 2,982, 3,006, 2,959, and 3,146 kcal/kg (DM basis) for Zheng Dan 958, Xian Yu 335, waxy corn, and sweet corn. Birds fed a corn basal diet in Experiment 2 had higher AME, MEI, RE, NE, and NE:AME ratio values (P < 0.001). Soybean meal substitution had no effect on HP, FHP, or RQ. The average AME and NE content was 2,492 and 1,581 kcal/kg (DM basis) for RSBM, and 2,580 and 1,654 kcal/kg (DM basis) for DSBM, respectively. © 2016 Poultry Science Association Inc.

  13. Net electron energy gain induced by superluminal phase velocity and subluminal group velocity of a laser in a plasma channel

    Science.gov (United States)

    Cheng, Li-Hong; Yao, Zheng-Wei; Zhang, Xiao-Bo; Xue, Ju-Kui

    2017-08-01

    We examine electron dynamics induced by laser-plasma interaction in a two-dimensional plasma channel, taking into action the laser phase velocity as well as the group velocity. The coupled effects of phase velocity, group velocity, and plasma channel on electron dynamics are discussed in detail. The superluminal phase velocity and the corresponding subluminal group velocity of the laser result in rich and complex electron dynamics, which are depicted in the plane of the phase velocity and plasma charge density. For weak superluminosity of the phase velocity, the effects of the phase velocity and the group velocity can be neglected. For moderate superluminosity of the phase velocity, a cross-over region can exist, where the highly energetic electron could be found and the net energy gain is several times greater than the energy gain in vacuum. For strong superluminosity of the phase velocity, the dephasing rate increases and thus limits the electron energy gain from the laser. However, the asymmetric laser pulse, attributed by the superluminal phase velocity and the subluminal group velocity, results in the electron getting adjustable net energy gain from the laser. The electron oscillations are no longer limited by the charge density threshold and the electron can always get net energy from the laser. These electron dynamics can also be modified by adjusting the polarization of the laser.

  14. Energy Behavior Change and Army Net Zero Energy; Gaps in the Army’s Approach to Changing Energy Behavior

    Science.gov (United States)

    2014-06-13

    messenger approach provides only self-reinforcing information. Related is the eighth problem, which is human nature that supports complacency by only...Sustainability, and energy conservation programs. For example, the Army National Guard maintains a sustainability Facebook page as does the Assistant 67

  15. Generation and Validation of MYTH Baits: iMYTH and tMYTH Variants.

    Science.gov (United States)

    Snider, Jamie; Stagljar, Igor

    2016-01-04

    Generation of baits for membrane yeast two-hybrid (MYTH) screening differs depending on the nature of the protein(s) being studied. When using native yeast proteins with cytoplasmic carboxyl termini, the integrated form of MYTH (iMYTH) is the method of choice. iMYTH involves endogenous carboxy-terminal tagging of the gene of interest within the yeast chromosome, leaving the gene under the control of its natural promoter. When studying proteins not native to yeast, or native yeast proteins with only cytoplasmic amino termini, traditional MYTH (tMYTH) must be used. In the tMYTH approach, amino- or carboxy-terminally tagged proteins are expressed ectopically from a plasmid. In this protocol, we describe the generation and validation of iMYTH and tMYTH baits. MYTH bait generation can typically be completed in ∼1-2 wk. © 2016 Cold Spring Harbor Laboratory Press.

  16. A Nearly Net-Zero Exergy District as a Model for Smarter Energy Systems in the Context of Urban Metabolism

    OpenAIRE

    Kılkış, Şiir

    2017-01-01

    The planning of urban settlements requires a targeted approach towards more sustainable energy, water, and environment systems. This research work analyses the city of Uppsala and a district that is an urban renewal project at the site of former high voltage power lines, namely Östra Sala backe, which will have a new energy concept. The latter is analysed based on proposals for two phases that aim to reach a net-zero district target based on the quality of energy (exergy). An indicator set...

  17. The digestible energy, metabolizable energy, and net energy content of dietary fat sources in thirteen- and fifty-kilogram pigs.

    Science.gov (United States)

    Kellner, T A; Patience, J F

    2017-09-01

    The objective was to determine the energy concentration of a diverse array of dietary fat sources and, from these data, develop regression equations that explain differences based on chemical composition. A total of 120 Genetiporc 6.0 × Genetiporc F25 (PIC, Inc., Hendersonville, TN) individually housed barrows were studied for 56 d. These barrows (initial BW of 9.9 ± 0.6 kg) were randomly allotted to 1 of 15 dietary treatments. Each experimental diet included 95% of a corn-soybean meal basal diet plus 5% either corn starch or 1 of 14 dietary fat sources. The 14 dietary fat sources (animal-vegetable blend, canola oil, choice white grease source A, choice white grease source B, coconut oil, corn oil source A, corn oil source B, fish oil, flaxseed oil, palm oil, poultry fat, soybean oil source A, soybean oil source B, and tallow) were selected to provide a diverse and robust range of unsaturated fatty acid:SFA ratios (U:S). Pigs were limit-fed experimental diets from d 0 to 10 and from d 46 to 56, providing a 7-d adaption for fecal collection on d 7 to 10 (13 kg BW) and d 53 to 56 (50 kg BW). At 13 kg BW, the average energy content of the 14 sources was 8.42 Mcal DE/kg, 8.26 Mcal ME/kg, and 7.27 Mcal NE/kg. At 50 kg BW, the average energy content was 8.45 Mcal DE/kg, 8.28 Mcal ME/kg, and 7.29 Mcal NE/kg. At 13 kg BW, the variation of dietary fat DE content was explained by DE (Mcal/kg) = 9.363 + [0.097 × (FFA, %)] - [0.016 × omega-6:omega-3 fatty acids ratio] - [1.240 × (arachidic acid, %)] - [5.054 × (insoluble impurities, %)] + [0.014 × (palmitic acid, %)] ( = 0.008, = 0.82). At 50 kg BW, the variation of dietary fat DE content was explained by DE (Mcal/kg) = 8.357 + [0.189 × U:S] - [0.195 × (FFA, %)] - [6.768 × (behenic acid, %)] + [0.024 × (PUFA, %)] ( = 0.002, = 0.81). In summary, the chemical composition of dietary fat explained a large degree of the variation observed in the energy content of dietary fat sources at both 13 and 50 kg BW.

  18. Federal R&D Agenda for Net Zero Energy, High-Performance Green Buildings

    Science.gov (United States)

    2008-09-30

    indicate a gap between design intent and construction that results in reduced energy performance (Torcellini et al. 2006). Building energy efficiency is...occupant, building, or community needs and preferences. New technologies that maximize building energy efficiency and minimize operational energy use...including low-income home energy assistance program, weatherization assistance, state energy programs, state building energy efficiency codes incentives and

  19. Net charge changes in the calculation of relative ligand-binding free energies via classical atomistic molecular dynamics simulation.

    Science.gov (United States)

    Reif, Maria M; Oostenbrink, Chris

    2014-01-30

    The calculation of binding free energies of charged species to a target molecule is a frequently encountered problem in molecular dynamics studies of (bio-)chemical thermodynamics. Many important endogenous receptor-binding molecules, enzyme substrates, or drug molecules have a nonzero net charge. Absolute binding free energies, as well as binding free energies relative to another molecule with a different net charge will be affected by artifacts due to the used effective electrostatic interaction function and associated parameters (e.g., size of the computational box). In the present study, charging contributions to binding free energies of small oligoatomic ions to a series of model host cavities functionalized with different chemical groups are calculated with classical atomistic molecular dynamics simulation. Electrostatic interactions are treated using a lattice-summation scheme or a cutoff-truncation scheme with Barker-Watts reaction-field correction, and the simulations are conducted in boxes of different edge lengths. It is illustrated that the charging free energies of the guest molecules in water and in the host strongly depend on the applied methodology and that neglect of correction terms for the artifacts introduced by the finite size of the simulated system and the use of an effective electrostatic interaction function considerably impairs the thermodynamic interpretation of guest-host interactions. Application of correction terms for the various artifacts yields consistent results for the charging contribution to binding free energies and is thus a prerequisite for the valid interpretation or prediction of experimental data via molecular dynamics simulation. Analysis and correction of electrostatic artifacts according to the scheme proposed in the present study should therefore be considered an integral part of careful free-energy calculation studies if changes in the net charge are involved. © The Authors Journal of Computational Chemistry

  20. High-Energy Neutrino Searches in the Mediterranean Sea: probing the Universe with antares and km3net-arca

    Science.gov (United States)

    Kouchner, Antoine; "> antares, net- and in particular its high-energy component arca.

  1. Design and Evaluation of a Net Zero Energy Low-Income Residential Housing Development in Lafayette, Colorado

    Energy Technology Data Exchange (ETDEWEB)

    Dean, J.; VanGeet, O.; Simkus, S.; Eastment, M.

    2012-03-01

    This report outlines the lessons learned and sub-metered energy performance of an ultra low energy single family ranch home and duplex unit, called the Paradigm Pilot Project and presents the final design recommendations for a 153-unit net zero energy residential development called the Josephine Commons Project. Affordable housing development authorities throughout the United States continually struggle to find the most cost-effective pathway to provide quality, durable, and sustainable housing. The challenge for these authorities is to achieve the mission of delivering affordable housing at the lowest cost per square foot in environments that may be rural, urban, suburban, or within a designated redevelopment district. With the challenges the U.S. faces regarding energy, the environmental impacts of consumer use of fossil fuels and the increased focus on reducing greenhouse gas emissions, housing authorities are pursuing the goal of constructing affordable, energy efficient and sustainable housing at the lowest life-cycle cost of ownership. This report outlines the lessons learned and sub-metered energy performance of an ultra-low-energy single family ranch home and duplex unit, called the Paradigm Pilot Project and presents the final design recommendations for a 153-unit net zero energy residential development called the Josephine Commons Project. In addition to describing the results of the performance monitoring from the pilot project, this paper describes the recommended design process of (1) setting performance goals for energy efficiency and renewable energy on a life-cycle cost basis, (2) using an integrated, whole building design approach, and (3) incorporating systems-built housing, a green jobs training program, and renewable energy technologies into a replicable high performance, low-income housing project development model.

  2. Global Warming: A Myth?

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education; Volume 6; Issue 7. Global Warming: A Myth? - Credibility of Climate Scenarios Predicted by Systems Simulations. Deepanjan Majumdar. General Article Volume 6 Issue 7 July 2001 pp 13-21 ...

  3. Liberating Interdisciplinarity from Myth

    DEFF Research Database (Denmark)

    Madsen, Dorte

    2016-01-01

    Schools and what is assumed to be a major institutional redrawing of boundaries, there is a pressing need to conceptualize interdisciplinary practices and boundary work. This paper explores the “weak” discipline through a discourse analytical lens and identifies a myth. Perceiving the discipline as weak is part...... of a myth, fueled by the ideal of a unitary discipline; the ideal discipline has strong boundaries, and as long as the discourse continues to focus on a need for boundaries, the only available discourse is one that articulates the discipline as weak. Thus, the myth is a vicious circle that can be broken...... if weakness is no longer ascribed to the discipline by tradition. The paper offers an explanation of the workings of the myth so that its particular way of interpreting the world does not mislead us when theorizing interdisciplinarity. This is a conceptual paper, and the examples serve as an empirical...

  4. Morphine: Myths and Reality

    Science.gov (United States)

    ... section All Articles & Stories News Morphine: Myths and Reality Feb 2, 2013 Share The mere mention of “ ... due to misinformation and lack of training. The reality is that Morphine (and other opiates that work ...

  5. Global Warming: A Myth?

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education; Volume 6; Issue 6. Global Warming: A Myth? - Anomalous Temperature Trends Recorded from Satellites and Radiosondes. Deepanjan Majumdar. General Article Volume 6 Issue 6 June 2001 pp 43-52 ...

  6. AIDS Myths and Misunderstandings

    Science.gov (United States)

    ... HIV is being spread by needles left in theater seats or vending machine coin returns. Reality: There ... cells (see fact sheet 124 ) could drop, a sign of immune damage. Myth: AIDS drugs are poison ...

  7. Collective experiences, energy and sustainability in North America? Between myths and reality: the case of Caroline Town

    Directory of Open Access Journals (Sweden)

    Gemma Maltese

    2016-09-01

    Full Text Available Current discourses on the exploitation of energy sources, sustainability, and the possibility to keep increasing production and growth in global advanced capitalism are embedded within the neoliberal geopolitics of the energy-militaryindustrial-complex and generate social conflicts around the dominant dynamics of capitalist exploitation of human and environmental energy resources. Exploring this issue, in this article, I report the experience of ‘Energy Independent Caroline Town' as the pilot case of a broader research project of 18 month between Calabria (Italy and US. Trying to understand critical aspects, reasons and self-narrations for defining as a ‘success' or a ‘failure' a local energy transition initiative, I looked at this experiment, which is considered in literature and by most of the participants as a case of successful communitarian energy transition, bringing attention to the participation of inhabitants in energy sustainable local plans. Thus, considering participation as the key dimension for successful initiatives of local energy transition, the main questions that organize the work are: ‘who decides' in local energy policy, and can ‘the local' decide its own energy independency'? What can enable the local to decide its own energy autonomy and so, like little David(s, try to fight, and even break free of, giant Goliath(s?

  8. Water and energy link in the cities of the future - achieving net zero carbon and pollution emissions footprint.

    Science.gov (United States)

    Novotny, V

    2011-01-01

    This article discusses the link between water conservation, reclamation, reuse and energy use as related to the goal of achieving the net zero carbon emission footprint in future sustainable cities. It defines sustainable ecocities and outlines quantitatively steps towards the reduction of energy use due to water and used water flows, management and limits in linear and closed loop water/stormwater/wastewater management systems. The three phase water energy nexus diagram may have a minimum inflection point beyond which reduction of water demand may not result in a reduction of energy and carbon emissions. Hence, water conservation is the best alternative solution to water shortages and minimizing the carbon footprint. A marginal water/energy chart is developed and proposed to assist planners in developing future ecocities and retrofitting older communities to achieve sustainability.

  9. A reliable energy-efficient multi-level routing algorithm for wireless sensor networks using fuzzy Petri nets.

    Science.gov (United States)

    Yu, Zhenhua; Fu, Xiao; Cai, Yuanli; Vuran, Mehmet C

    2011-01-01

    A reliable energy-efficient multi-level routing algorithm in wireless sensor networks is proposed. The proposed algorithm considers the residual energy, number of the neighbors and centrality of each node for cluster formation, which is critical for well-balanced energy dissipation of the network. In the algorithm, a knowledge-based inference approach using fuzzy Petri nets is employed to select cluster heads, and then the fuzzy reasoning mechanism is used to compute the degree of reliability in the route sprouting tree from cluster heads to the base station. Finally, the most reliable route among the cluster heads can be constructed. The algorithm not only balances the energy load of each node but also provides global reliability for the whole network. Simulation results demonstrate that the proposed algorithm effectively prolongs the network lifetime and reduces the energy consumption.

  10. Investigation of the impact of using thermal mass with the net zero energy town house in Toronto using TRNSYS

    Energy Technology Data Exchange (ETDEWEB)

    Siddiqui, O.; Fung, A.; Tse, H.; Zhang, D. [Ryerson Polytechnic Univ., Toronto, ON (Canada). Dept. of Mechanical and Industrial Engineering

    2008-07-01

    Since buildings in Canada account for 30 per cent of the country's total energy consumption, it has become necessary to find ways to reduce the overall energy use in buildings. Heating and cooling loads in buildings can be effectively reduced by using the thermal mass incorporated into the building envelope, particularly in climates where a large daily temperature fluctuations exist. Thermal mass is defined as any building material that has a high heat storage capacity that can be integrated into the structural fabric of the building to use the passive solar energy for heating or cooling purposes. Concrete slabs, bricks and ceramic blocks are some of the commonly used materials. This study analyzed the impact of using thermal mass with a highly insulated building envelope such as that used in Low Energy or Net Zero housing. In particular, TRNSYS was used to simulate a Net Zero Energy Town House located in Toronto, in which a ground source heat pump was integrated with an infloor radiant heating system. The simulation revealed that for colder climates such as in Canada, thermal mass can replace some of the insulation while still providing excellent results in terms of the reductions in daily indoor temperature fluctuations. The impact of thermal mass during the winter was more significant when compared with summer, possibly because of the unique construction and orientation of the Net Zero Energy House. The optimum thickness of the concrete slab was determined to be 6 inches for the winter season and 4 inches for summer. The optimum location for the thermal mass was found to be right next to the gypsum wallboard that forms the interior part of the wall. 12 refs., 1 tab., 11 figs.

  11. Energy balance of the global photovoltaic (PV) industry--is the PV industry a net electricity producer?

    Science.gov (United States)

    Dale, Michael; Benson, Sally M

    2013-04-02

    A combination of declining costs and policy measures motivated by greenhouse gas (GHG) emissions reduction and energy security have driven rapid growth in the global installed capacity of solar photovoltaics (PV). This paper develops a number of unique data sets, namely the following: calculation of distribution of global capacity factor for PV deployment; meta-analysis of energy consumption in PV system manufacture and deployment; and documentation of reduction in energetic costs of PV system production. These data are used as input into a new net energy analysis of the global PV industry, as opposed to device level analysis. In addition, the paper introduces a new concept: a model tracking energetic costs of manufacturing and installing PV systems, including balance of system (BOS) components. The model is used to forecast electrical energy requirements to scale up the PV industry and determine the electricity balance of the global PV industry to 2020. Results suggest that the industry was a net consumer of electricity as recently as 2010. However, there is a >50% that in 2012 the PV industry is a net electricity provider and will "pay back" the electrical energy required for its early growth before 2020. Further reducing energetic costs of PV deployment will enable more rapid growth of the PV industry. There is also great potential to increase the capacity factor of PV deployment. These conclusions have a number of implications for R&D and deployment, including the following: monitoring of the energy embodied within PV systems; designing more efficient and durable systems; and deploying PV systems in locations that will achieve high capacity factors.

  12. Comparing Apples to Apples: Why the Net Energy Analysis Community Needs to Adopt the Life-Cycle Analysis Framework

    Directory of Open Access Journals (Sweden)

    David J. Murphy

    2016-11-01

    Full Text Available How do we know which energy technologies or resources are worth pursuing and which aren’t? One way to answer that question is to compare the energy return of a certain technology—i.e., how much energy is remaining after accounting for the amount of energy expended in the production and delivery process. Such energy return ratios (the most famous of which is energy return on investment (EROI fall within the field of net energy analysis (NEA, and provide an easy way to determine which technology is “better”; i.e., higher Energy Return Ratios (ERRs are, certeris paribus, better than lower ERRs. Although useful as a broad measure of energy profitability, comparisons can also be misleading, particularly if the units being compared are different. For example, the energy content of electricity produced from a photovoltaic cell is different than the energy content of coal at the mine-mouth, yet these are often compared directly within the literature. These types of inconsistencies are common within the NEA literature. In this paper, we offer life cycle assessment (LCA and the LCA methodology as a possible solution to the persistent methodological issues within the NEA community, and urge all NEA practitioners to adopt this methodology in the future.

  13. Energy saving for OpenFlow switch on the NetFPGA platform based on queue engineering.

    Science.gov (United States)

    Vu, Tran Hoang; Luc, Vu Cong; Quan, Nguyen Trung; Thanh, Nguyen Huu; Nam, Pham Ngoc

    2015-01-01

    Data centers play an important role in our daily activities. The increasing demand on data centers in both scale and size has led to huge energy consumption that rises the cost of data centers. Besides, environmental impacts also increase considerably due to a large amount of carbon emissions. In this paper, we present a design aimed at green networking by reducing the power consumption for routers and switches. Firstly, we design the Balance Switch on the NetFPGA platform to save consumed energy based on Queue Engineering. Secondly, we design the test-bed system to precisely measure the consumed energy of our switches. Experimental results show that energy saving of our switches is about 30% - 35% of power consumption according to variation of input traffic compared with normal Openflow Switch. Finally, we describe performance evaluations.

  14. An optimization methodology for the design of renewable energy systems for residential net zero energy buildings with on-site heat production

    DEFF Research Database (Denmark)

    Milan, Christian; Bojesen, Carsten; Nielsen, Mads Pagh

    2011-01-01

    energy supply systems for residential NZEB involving on-site production of heat and electricity in combination with electricity exchanged with the public grid. The model is based on linear programming and determines the optimal capacities for each relevant supply technology in terms of the overall system......The concept of net zero energy buildings (NZEB) has received increased attention throughout the last years. A well adapted and optimized design of the energy supply system is crucial for the performance of such buildings. This paper aims at developing a method for the optimal sizing of renewable...

  15. Chapter 7: Renewable Energy Options and Considerations for Net Zero Installations

    Energy Technology Data Exchange (ETDEWEB)

    Booth, Samuel

    2017-03-15

    This chapter focuses on renewable energy options for military installations. It discusses typical renewable technologies, project development, and gives examples. Renewable energy can be combined with conventional energy sources to provide part or all of the energy demand at an installation. The appropriate technology mix for an installation will depend on site-specific factors such as renewable resources, energy costs, local energy policies and incentives, available land, mission compatibility, and other factors. The objective of this chapter is to provide basic background information and resources on renewable energy options for NATO leaders and energy personnel.

  16. Federal Existing Buildings Handbook for Net Zero Energy, Water, and Waste

    Energy Technology Data Exchange (ETDEWEB)

    None

    2017-08-14

    In 2015, the U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy (EERE) defined zero energy buildings as "an energy-efficient building where, on a source energy basis, the actual annual delivered energy is less than or equal to the on-site renewable exported energy." This handbook is focused on applying the EERE definition of zero energy buildings to existing buildings in the federal sector. However, it is not intended to replace, substitute, or modify any statutory or regulatory requirements and mandates.

  17. Federal New Buildings Handbook for Net Zero Energy, Water, and Waste

    Energy Technology Data Exchange (ETDEWEB)

    None

    2017-08-14

    In 2015, the U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy (EERE) defined zero energy buildings as "an energy-efficient building where, on a source energy basis, the actual annual delivered energy is less than or equal to the on-site renewable exported energy." This document is focused on applying EERE’s definition of zero energy buildings to federal sector new buildings. However, it is not intended to replace, substitute, or modify any statutory or regulatory requirements and mandates.

  18. Redesign of a Rural Building in a Heritage Site in Italy: Towards the Net Zero Energy Target

    Directory of Open Access Journals (Sweden)

    Maurizio Cellura

    2017-07-01

    Full Text Available In order to achieve the ambitious objective of decarbonising the economy, it is mandatory, especially in Europe and in Italy, to include the retrofitting of existing buildings. In a country where a large share of existing buildings have heritage value, it is important to design effective retrofit solutions also in historical buildings. In this context, the paper describes the experience of re-design of an existing rural building located in Sicily, inside the ancient Greeks' “Valley of the Temples”. An energy audit was performed on the building, and its energy uses were thoroughly investigated. A building model was developed in the TRNSYS environment and its performances validated. The validated model was used for redesign studies aimed towards the achievement of the Net Zero Energy Building target. The best performing solutions to be applied to a case study like the Sanfilippo House were those regarding the management of the building, as in the case of the natural ventilation and the energy systems setpoints, that would allow a large impact (up to 10% reductions in energy uses on the energy performances of the building with no invasiveness, and those with very limited invasiveness and high impact on the energy efficiency of the building, as in the lighting scenario (up to 30% energy uses reduction. The most invasive actions can only be justified in the case of high energy savings, as in the case of the insulation of the roof, otherwise they should be disregarded.

  19. Demonstrate Energy Component of the Installation Master Plan Using Net Zero Installation Virtual Testbed

    Science.gov (United States)

    2015-09-01

    selections from the MILP optimization 26 2-25 The cluster optimization analysis page. Here, the District Hot Water alternative is expanded to show...VAV Variable Air Volume VFD Variable Frequency Drive XML Extensible Markup Language XPS Extruded Polystyrene xvi 1 1.0 INTRODUCTION...Installations Directive, which expanded the Net Zero Initiative beyond the pilot installations to all permanent Army installations. The U.S. Navy is

  20. The Myth in the Discourse.

    Science.gov (United States)

    Breen, Myles; Corcoran, Farrel

    Reflecting the ideas of Roland Barthes, this paper examines the nature and importance of myth as a type of speech. The investigation proceeds by discussing myth from the perspectives of both traditional and contemporary disciplines, then considers the universality of myth, its religious impulse, and its functions. Using examples from television…

  1. Teachers' Strikes: Maxims or Myths.

    Science.gov (United States)

    Shreeve, William; And Others

    Seven commonly held myths concerning the effects of teachers' strikes on school districts are explored. Administrators from 124 school districts that experienced teacher strikes during the three-year period 1981-1984 responded to a questionnaire about the seven myths. The myths discussed include: (1) superintendents leave districts as a result of…

  2. An Environmentally-Friendly Tourist Village in Egypt Based on a Hybrid Renewable Energy System––Part Two: A Net Zero Energy Tourist Village

    Directory of Open Access Journals (Sweden)

    Fahd Diab

    2015-07-01

    Full Text Available The main objective of this study is to discuss the economical and the environmental analysis of a net zero energy (NZE tourist village in Alexandria, Egypt, by maximizing the renewable energy fraction and minimizing the greenhouse gases (GHG emissions. The hybrid photovoltaics (PV/wind/diesel/battery system is found to be the optimum hybrid renewable energy system (HRES for the proposed tourist village under the study. The optimum HRES consists of 1600 kW of PV panels (58.09% solar energy penetration, 1000 kW of wind turbines (41.34% wind energy penetration, 1000 kW of power converters, 200 kW diesel generator (only 0.57% diesel generator penetration in addition to 2000 batteries with the capacity of 589 Ah each. The levelized cost of energy (COE from the optimum HRES is $0.17/kWh and the total net present cost (NPC of this system is $15,383,360. Additionally, the maximum renewable energy fraction is 99.1% and the amount of GHG emitted from the optimum HRES is only 31,289 kg/year, which is negligible in comparison with the other system configurations, therefore the optimum HRES can be considered as a green system. In addition to this, the achieved percentage of the capacity shortage and the unmet load in the optimal HRES is only 0% for both.

  3. Toward Net Energy Buildings: Design, Construction, and Performance of the Grand Canyon House

    Energy Technology Data Exchange (ETDEWEB)

    Balcomb, J. D.; Hancock, C. E.; Barker, G.

    1999-06-23

    The Grand Canyon house is a joint project of the DOE's National Renewable Energy Laboratory and the U.S. National Park Service and is part of the International Energy Agency Solar Heating and Cooling Programme Task 13 (Advanced Solar Low-Energy Buildings). Energy consumption of the house, designed using a whole-building low-energy approach, was reduced by 75% compared to an equivalent house built in accordance with American Building Officials Model Energy Code and the Home Energy Rating System criteria.

  4. Assessment of the Technical Potential for Achieving Net Zero-Energy Buildings in the Commercial Sector

    Energy Technology Data Exchange (ETDEWEB)

    Griffith, B.; Long, N.; Torcellini, P.; Judkoff, R.; Crawley, D.; Ryan, J.

    2007-12-01

    This report summarizes the findings from research conducted at NREL to assess the technical potential for zero-energy building technologies and practices to reduce the impact of commercial buildings on the U.S. energy system. Commercial buildings currently account for 18% of annual U.S. energy consumption, and energy use is growing along with overall floor area. Reducing the energy use of this sector will require aggressive research goals and rapid implementation of the research results.

  5. Applicability of energy-positive net-zero water management in Alaska: technology status and case study.

    Science.gov (United States)

    Wu, Tingting; Englehardt, James D; Guo, Tianjiao; Gassie, Lucien; Dotson, Aaron

    2017-11-22

    Challenges of water and wastewater management in Alaska include the potential need for above-grade and freeze-protected piping, high unit energy costs and, in many rural areas, low population density and median annual income. However, recently developed net-zero water (NZW), i.e., nearly closed-loop, direct potable water reuse systems, can retain the thermal energy in municipal wastewater, producing warm treated potable water without the need for substantial water re-heating, heat pumping or transfer, or additional energy conversion. Consequently, these systems are projected to be capable of saving more energy than they use in water treatment and conveyance, in the temperate USA. In this paper, NZW technology is reviewed in terms of potential applicability in Alaska by performing a hypothetical case study for the city of Fairbanks, Alaska. Results of this paper study indicate that in municipalities of Alaska with local engineering and road access, the use of NZW systems may provide an energy-efficient water service option. In particular, case study modeling suggests hot water energy savings are equivalent to five times the energy used for treatment, much greater savings than in mid-latitudes, due largely to the substantially higher energy needed for heating water from a conventional treatment system and lack of need for freeze-protected piping. Further study of the applicability of NZW technology in cold regions, with expanded evaluation in terms of system-wide lifecycle cost, is recommended.

  6. Hair Loss Myths.

    Science.gov (United States)

    DiMarco, Gabriella; McMichael, Amy

    2017-07-01

    INTRODUCTION: Hair loss is a common complaint seen in dermatology clinics. From frustration and attempts at self-help, patients with hair loss may present to the dermatologist with false beliefs, or myths, about the causes of their condition and what treatments are effective. METHODS: We identified 12 common myths about hair loss, categorized as myths about minoxidil treatment, vitamin and mineral supplements, natural topical treatments, and hair care practices. We performed a PubMed search to find evidence to support or refute each myth. RESULTS: We found that there is little evidence to support many of these common hair loss myths. In some cases, randomized controlled trials have investigated the effects of particular therapies and point to the effectiveness of certain hair loss treatments. DISCUSSION: In many cases, there have not been sufficient randomized controlled trials to evaluate the effect of different therapies and hair care practices on hair loss. It is best to guide patients toward treatments with a long track record of efficacy and away from those where little is known scientifically. J Drugs Dermatol. 2017;16(7):690-694..

  7. Beam energy dependence of moments of the net-charge multiplicity distributions in Au+Au collisions at RHIC.

    Science.gov (United States)

    Adamczyk, L; Adkins, J K; Agakishiev, G; Aggarwal, M M; Ahammed, Z; Alekseev, I; Alford, J; Anson, C D; Aparin, A; Arkhipkin, D; Aschenauer, E C; Averichev, G S; Balewski, J; Banerjee, A; Barnovska, Z; Beavis, D R; Bellwied, R; Bhasin, A; Bhati, A K; Bhattarai, P; Bichsel, H; Bielcik, J; Bielcikova, J; Bland, L C; Bordyuzhin, I G; Borowski, W; Bouchet, J; Brandin, A V; Brovko, S G; Bültmann, S; Bunzarov, I; Burton, T P; Butterworth, J; Caines, H; Calderón de la Barca Sánchez, M; Cebra, D; Cendejas, R; Cervantes, M C; Chaloupka, P; Chang, Z; Chattopadhyay, S; Chen, H F; Chen, J H; Chen, L; Cheng, J; Cherney, M; Chikanian, A; Christie, W; Chwastowski, J; Codrington, M J M; Corliss, R; Cramer, J G; Crawford, H J; Cui, X; Das, S; Davila Leyva, A; De Silva, L C; Debbe, R R; Dedovich, T G; Deng, J; Derevschikov, A A; Derradi de Souza, R; Dhamija, S; di Ruzza, B; Didenko, L; Dilks, C; Ding, F; Djawotho, P; Dong, X; Drachenberg, J L; Draper, J E; Du, C M; Dunkelberger, L E; Dunlop, J C; Efimov, L G; Engelage, J; Engle, K S; Eppley, G; Eun, L; Evdokimov, O; Fatemi, R; Fazio, S; Fedorisin, J; Filip, P; Finch, E; Fisyak, Y; Flores, C E; Gagliardi, C A; Gangadharan, D R; Garand, D; Geurts, F; Gibson, A; Girard, M; Gliske, S; Grosnick, D; Guo, Y; Gupta, A; Gupta, S; Guryn, W; Haag, B; Hajkova, O; Hamed, A; Han, L-X; Haque, R; Harris, J W; Hays-Wehle, J P; Heppelmann, S; Hirsch, A; Hoffmann, G W; Hofman, D J; Horvat, S; Huang, B; Huang, H Z; Huck, P; Humanic, T J; Igo, G; Jacobs, W W; Jang, H; Judd, E G; Kabana, S; Kalinkin, D; Kang, K; Kauder, K; Ke, H W; Keane, D; Kechechyan, A; Kesich, A; Khan, Z H; Kikola, D P; Kisel, I; Kisiel, A; Koetke, D D; Kollegger, T; Konzer, J; Koralt, I; Korsch, W; Kotchenda, L; Kravtsov, P; Krueger, K; Kulakov, I; Kumar, L; Kycia, R A; Lamont, M A C; Landgraf, J M; Landry, K D; Lauret, J; Lebedev, A; Lednicky, R; Lee, J H; Leight, W; LeVine, M J; Li, C; Li, W; Li, X; Li, X; Li, Y; Li, Z M; Lima, L M; Lisa, M A; Liu, F; Ljubicic, T; Llope, W J; Longacre, R S; Luo, X; Ma, G L; Ma, Y G; Madagodagettige Don, D M M D; Mahapatra, D P; Majka, R; Margetis, S; Markert, C; Masui, H; Matis, H S; McDonald, D; McShane, T S; Minaev, N G; Mioduszewski, S; Mohanty, B; Mondal, M M; Morozov, D A; Munhoz, M G; Mustafa, M K; Nandi, B K; Nasim, Md; Nayak, T K; Nelson, J M; Nogach, L V; Noh, S Y; Novak, J; Nurushev, S B; Odyniec, G; Ogawa, A; Oh, K; Ohlson, A; Okorokov, V; Oldag, E W; Oliveira, R A N; Pachr, M; Page, B S; Pal, S K; Pan, Y X; Pandit, Y; Panebratsev, Y; Pawlak, T; Pawlik, B; Pei, H; Perkins, C; Peryt, W; Peterson, A; Pile, P; Planinic, M; Pluta, J; Plyku, D; Poljak, N; Porter, J; Poskanzer, A M; Pruthi, N K; Przybycien, M; Pujahari, P R; Qiu, H; Quintero, A; Ramachandran, S; Raniwala, R; Raniwala, S; Ray, R L; Riley, C K; Ritter, H G; Roberts, J B; Rogachevskiy, O V; Romero, J L; Ross, J F; Roy, A; Ruan, L; Rusnak, J; Sahoo, N R; Sahu, P K; Sakrejda, I; Salur, S; Sandacz, A; Sandweiss, J; Sangaline, E; Sarkar, A; Schambach, J; Scharenberg, R P; Schmah, A M; Schmidke, W B; Schmitz, N; Seger, J; Seyboth, P; Shah, N; Shahaliev, E; Shanmuganathan, P V; Shao, M; Sharma, B; Shen, W Q; Shi, S S; Shou, Q Y; Sichtermann, E P; Singaraju, R N; Skoby, M J; Smirnov, D; Smirnov, N; Solanki, D; Sorensen, P; deSouza, U G; Spinka, H M; Srivastava, B; Stanislaus, T D S; Stevens, J R; Stock, R; Strikhanov, M; Stringfellow, B; Suaide, A A P; Sumbera, M; Sun, X; Sun, X M; Sun, Y; Sun, Z; Surrow, B; Svirida, D N; Symons, T J M; Szanto de Toledo, A; Takahashi, J; Tang, A H; Tang, Z; Tarnowsky, T; Thomas, J H; Timmins, A R; Tlusty, D; Tokarev, M; Trentalange, S; Tribble, R E; Tribedy, P; Trzeciak, B A; Tsai, O D; Turnau, J; Ullrich, T; Underwood, D G; Van Buren, G; van Nieuwenhuizen, G; Vanfossen, J A; Varma, R; Vasconcelos, G M S; Vasiliev, A N; Vertesi, R; Videbæk, F; Viyogi, Y P; Vokal, S; Vossen, A; Wada, M; Walker, M; Wang, F; Wang, G; Wang, H; Wang, J S; Wang, X L; Wang, Y; Wang, Y; Webb, G; Webb, J C; Westfall, G D; Wieman, H; Wissink, S W; Witt, R; Wu, Y F; Xiao, Z; Xie, W; Xin, K; Xu, H; Xu, N; Xu, Q H; Xu, Y; Xu, Z; Yan, W; Yang, C; Yang, Y; Yang, Y; Ye, Z; Yepes, P; Yi, L; Yip, K; Yoo, I-K; Zawisza, Y; Zbroszczyk, H; Zha, W; Zhang, J B; Zhang, S; Zhang, X P; Zhang, Y; Zhang, Z P; Zhao, F; Zhao, J; Zhong, C; Zhu, X; Zhu, Y H; Zoulkarneeva, Y; Zyzak, M

    2014-08-29

    We report the first measurements of the moments--mean (M), variance (σ(2)), skewness (S), and kurtosis (κ)--of the net-charge multiplicity distributions at midrapidity in Au+Au collisions at seven energies, ranging from sqrt[sNN]=7.7 to 200 GeV, as a part of the Beam Energy Scan program at RHIC. The moments are related to the thermodynamic susceptibilities of net charge, and are sensitive to the location of the QCD critical point. We compare the products of the moments, σ(2)/M, Sσ, and κσ(2), with the expectations from Poisson and negative binomial distributions (NBDs). The Sσ values deviate from the Poisson baseline and are close to the NBD baseline, while the κσ(2) values tend to lie between the two. Within the present uncertainties, our data do not show nonmonotonic behavior as a function of collision energy. These measurements provide a valuable tool to extract the freeze-out parameters in heavy-ion collisions by comparing with theoretical models.

  8. Excess heat production of future net zero energy buildings within district heating areas in Denmark

    DEFF Research Database (Denmark)

    Nielsen, Steffen; Möller, Bernd

    2012-01-01

    buildings in Denmark are connected to electricity grids and around half are connected to districtheating (DH) systems. Connecting buildings to larger energy systems enables them to send and receive energy from these systems. This paper’s objective is to examine how excess heat production from NZEBs...... excess heat production from solar thermal collectors. The main findings are that the excess heat from NZEBs can benefit DH systems by decreasing the production from production units utilizing combustible fuels. In DH areas where the heat demand in summer months is already covered by renewable energy......Denmark’s long-term energy goal is to develop an energy system solely based on renewable energy sources by 2050. To reach this goal, energy savings in buildings is essential. Therefore, the focus on energy efficient measures in buildings and netzeroenergybuildings (NZEBs) has increased. Most...

  9. Federal R&D Agenda for Net Zero Energy, High-Performance Green Buildings

    National Research Council Canada - National Science Library

    2008-01-01

    .... greenhouse gas emissions (GHGs). If current trends continue, buildings worldwide will become the top energy consumers by 2025, and are likely to use as much energy as industry and transportation combined by 2050...

  10. Federal Research and Development Agenda for Net-Zero Energy, High-Performance Green Buildings

    National Research Council Canada - National Science Library

    2008-01-01

    .... greenhouse gas emissions (GHGs). If current trends continue, buildings worldwide will become the top energy consumers by 2025, and are likely to use as much energy as industry and transportation combined by 2050...

  11. Successfully Implementing Net-Zero Energy Policy through the Air Force Military Construction Program

    Science.gov (United States)

    2013-03-01

    performance and building energy efficiency requirements of prior EOs. The stated objectives of the policy are to “create a clean energy economy that...White House, 2009, p. 1). The EO creates specific goals for all federal agencies regarding building energy efficiency , greenhouse gas emissions...reduction, water conservation and protection, and solid waste reduction (The White House, 2009). The 14 building energy efficiency goals require the

  12. Seven Myths about Beginners' Language

    DEFF Research Database (Denmark)

    Lund, Karen; Kirkebæk, Mads Jakob

    2015-01-01

    ) the myth about ‘the only thing’ (the method), (4) the myth about “we tried that before”, (5) the myth about “one people and one teaching method, (6) the myth about easy and difficult languages, and (7) the myth about students with no competences and a worthless past. The article suggests language teachers...... to use a ‘myth-detector’ to detect, reflect on and possibly reject myths they may meet in their profession. The ‘myth-detector’ consists of four simple questions, namely (1) Where do we know it from? (2) What is it built on? (3) What views on learning, language and culture lie behind? and (4) Who (gets......In the article the authors have selected seven myths about beginners’ language for discussion, reflection and possible rejection. These are (1) the myth about the necessity of mastering the system before being able to speak the language, (2) the myth about limited capacity on the ‘hard disc’, (3...

  13. Targeting Net Zero Energy at Marine Corps Air Station Miramar: Assessment and Recommendations

    Energy Technology Data Exchange (ETDEWEB)

    Booth, S.; Barnett, J.; Burman, K.; Hambrick, J.; Helwig, M.; Westby, R.

    2010-12-01

    The U.S. Department of Defense (DoD) is the largest energy consumer in the U.S. government. Present energy use impacts DoD global operations by constraining freedom of action and self-sufficiency, demanding enormous economic resources, and putting many lives at risk in logistics support for deployed environments. There are many opportunities for DoD to more effectively meet energy requirements through a combination of human actions, energy efficiency technologies, and renewable energy resources. In 2008, a joint initiative was formed between DoD and the U.S. Department of Energy (DOE) to address military energy use. This initiative created a task force comprised of representatives from each branch of the military, the Office of the Secretary of Defense (OSD), the Federal Energy Management Program (FEMP), and the National Renewable Energy Laboratory (NREL) to examine the potential for ultra high efficiency military installations. This report presents an assessment of Marine Corps Air Station (MCAS) Miramar, selected by the task force as the initial prototype installation based on its strong history of energy advocacy and extensive track record of successful energy projects.

  14. Integration of net zero energy building with smart grid to improve regional electrification ratio towards sustainable development

    Science.gov (United States)

    Latief, Yusuf; Berawi, Mohammed Ali; Supriadi, Leni; Bintang Koesalamwardi, Ario; Petroceany, Jade; Herzanita, Ayu

    2017-12-01

    Indonesia is currently encouraging its physical, social and economy development. Physical development for economic development have to be supported by energy availability. For Indonesia, 90% of electrification ratio is still become an important task that has to be completed by the Government. However, the effort to increase electrification can become an environmental problem if it’s done with BAU scenario. The by-product of electric generation is the GHG, which increasing every year since 2006 from various sectors i.e. industry, housing, commercial, transportation, and energy. Net Zero Energy Building (NZEB) is an energy efficient building which can produce energy independently from clean and renewable sources. The energy that is generated by NZEB can be used for the building itself, and can be exported to the central grid. The integration of NZEB and Smart Grid can solve today’s issue on electrification ratio. Literature study will find benchmarks which can be applied in Indonesia along with possible obstacles in applying this technology.

  15. Net ecosystem exchange and energy fluxes measured with the eddy covariance technique in a western Siberian bog

    Directory of Open Access Journals (Sweden)

    P. Alekseychik

    2017-08-01

    Full Text Available Very few studies of ecosystem–atmosphere exchange involving eddy covariance data have been conducted in Siberia, with none in the western Siberian middle taiga. This work provides the first estimates of carbon dioxide (CO2 and energy budgets in a typical bog of the western Siberian middle taiga based on May–August measurements in 2015. The footprint of measured fluxes consisted of a homogeneous mixture of tree-covered ridges and hollows with the vegetation represented by typical sedges and shrubs. Generally, the surface exchange rates resembled those of pine-covered bogs elsewhere. The surface energy balance closure approached 100 %. Net CO2 uptake was comparatively high, summing up to 202 gC m−2 for the four measurement months, while the Bowen ratio was seasonally stable at 28 %. The ecosystem turned into a net CO2 source during several front passage events in June and July. The periods of heavy rain helped keep the water table at a sustainably high level, preventing a usual drawdown in summer. However, because of the cloudy and rainy weather, the observed fluxes might rather represent the special weather conditions of 2015 than their typical magnitudes.

  16. On Productions of Net-Baryons in Central Au-Au Collisions at RHIC Energies

    Directory of Open Access Journals (Sweden)

    Ya-Hui Chen

    2015-01-01

    Full Text Available The transverse momentum and rapidity distributions of net-baryons (baryons minus antibaryons produced in central gold-gold (Au-Au collisions at 62.4 and 200 GeV are analyzed in the framework of a multisource thermal model. Each source in the model is described by the Tsallis statistics to extract the effective temperature and entropy index from the transverse momentum distribution. The two parameters are used as input to describe the rapidity distribution and to extract the rapidity shift and contribution ratio. Then, the four types of parameters are used to structure some scatter plots of the considered particles in some three-dimensional (3D spaces at the stage of kinetic freeze-out, which are expected to show different characteristics for different particles and processes. The related methodology can be used in the analyses of particle production and event holography, which are useful for us to better understand the interacting mechanisms.

  17. A meta-analysis of milk production responses to increased net energy intake in Scandinavian dairy cows

    DEFF Research Database (Denmark)

    Jensen, Charlotte; Østergaard, Søren; Schei, Ingunn

    2015-01-01

    The objectives of this analysis were to develop empirical prediction models for milk yield based on cow characteristics and dry matter intake (DMI) or net energy intake (NEL) and to evaluate the effect of breed, parity, stage of lactation and the additional prediction value of using NEL estimates...... versus DMI estimates for incorporation in future economical optimization models of the energy level in dairy cow rations. Previous Danish response models are outdated due to higher yield capacity of cows and the use of the new Nordic feed evaluation system NorFor since 2011. A data set with 195 treatment...... weighted by number of cows in each treatment mean. Best fit model was by use of linear and natural log transformation of NEL intake rather than DMI in the regression, especially when also including the ration concentration of the individual nutrients (g/MJ NEL), neutral detergent fibre, amino acids...

  18. Achieving a Net Zero Energy Retrofit: Lessons from the University of Hawaii at Manoa

    Energy Technology Data Exchange (ETDEWEB)

    None

    2013-03-01

    The University of Hawaii at Manoa (UHM) partnered with the U.S. Department of Energy (DOE) to develop and implement solutions to retrofit existing buildings to reduce energy consumption by at least 30% as part of DOE’s Commercial Building Partnerships (CBP) Program.

  19. Conceptual net energy output for biofuel production from lignocellulosic biomass through biorefining

    Science.gov (United States)

    J.Y. Zhu; X.S. Zhuang

    2012-01-01

    There is a lack of comprehensive information in the retrievable literature on pilot scale process and energy data using promising process technologies and commercially scalable and available capital equipment for lignocellulosic biomass biorefining. This study conducted a comprehensive review of the energy efficiency of selected sugar platform biorefinery process...

  20. Myths in test automation

    Directory of Open Access Journals (Sweden)

    Jazmine Francis

    2015-01-01

    Full Text Available Myths in automation of software testing is an issue of discussion that echoes about the areas of service in validation of software industry. Probably, the first though that appears in knowledgeable reader would be Why this old topic again? What's New to discuss the matter? But, for the first time everyone agrees that undoubtedly automation testing today is not today what it used to be ten or fifteen years ago, because it has evolved in scope and magnitude. What began as a simple linear scripts for web applications today has a complex architecture and a hybrid framework to facilitate the implementation of testing applications developed with various platforms and technologies. Undoubtedly automation has advanced, but so did the myths associated with it. The change in perspective and knowledge of people on automation has altered the terrain. This article reflects the points of views and experience of the author in what has to do with the transformation of the original myths in new versions, and how they are derived; also provides his thoughts on the new generation of myths.

  1. Between myth and reality

    DEFF Research Database (Denmark)

    Hyldegård, Jette

    2010-01-01

    in an educational practice. The research on young people’s information behaviour by Rowlands et al. was carried out in 2007. To determine whether the picture of the Google generation is consistent with reality a number of the myths investigated in 2007 were explored among 43 Danish secondary school pupils in 2009...

  2. More Myths of Migration.

    Science.gov (United States)

    Basch, Linda; Lerner, Gail

    1986-01-01

    Challenges "myths" about women and migration, including (1) the causes of migration are economic, not racism; (2) migrant women receive support from feminist groups and trade unions; (3) transnational corporations are positive forces in developing nations; (4) migration today has little impact on family life; and (5) most migrants cluster in…

  3. The Myth about Einstien

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education; Volume 11; Issue 1. The Myth about Einstien. Sushanta Dattagupta. General Article Volume 11 Issue 1 January 2006 pp 63-78. Fulltext. Click here to view fulltext PDF. Permanent link: http://www.ias.ac.in/article/fulltext/reso/011/01/0063-0078. Keywords.

  4. Diet myths and facts

    Science.gov (United States)

    ... yourself to healthy snacks such as low-fat yogurt or baby carrots. MYTH? You cannot be overweight and healthy. FACT: There are some people who are overweight with healthy blood pressure, cholesterol, and blood sugar levels. For most people, excess ...

  5. Energy Consumption Evaluation for Wireless Sensor Network Nodes Based on Queuing Petri Net

    OpenAIRE

    Li, J.; Zhou, H. Y.; D. C. Zuo; Hou, K. M.; Xie, H. P.; Zhou, P.

    2014-01-01

    Due to the large scale of wireless sensor networks (WSN) and the huge density of WSN nodes, classical performance evaluation techniques face new challenges in view of the complexity and diversity in WSN applications. This paper presents a “state-event-transition” formal description for WSN nodes and proposes an event-driven QPN-based modeling technique to simulate the energy behaviors of nodes. Besides, the framework architecture of a dedicated energy evaluation platform has been introduced, ...

  6. Regression analysis to predict growth performance from dietary net energy in growing-finishing pigs.

    Science.gov (United States)

    Nitikanchana, S; Dritz, S S; Tokach, M D; DeRouchey, J M; Goodband, R D; White, B J

    2015-06-01

    Data from 41 trials with multiple energy levels (285 observations) were used in a meta-analysis to predict growth performance based on dietary NE concentration. Nutrient and energy concentrations in all diets were estimated using the NRC ingredient library. Predictor variables examined for best fit models using Akaike information criteria included linear and quadratic terms of NE, BW, CP, standardized ileal digestible (SID) Lys, crude fiber, NDF, ADF, fat, ash, and their interactions. The initial best fit models included interactions between NE and CP or SID Lys. After removal of the observations that fed SID Lys below the suggested requirement, these terms were no longer significant. Including dietary fat in the model with NE and BW significantly improved the G:F prediction model, indicating that NE may underestimate the influence of fat on G:F. The meta-analysis indicated that, as long as diets are adequate for other nutrients (i.e., Lys), dietary NE is adequate to predict changes in ADG across different dietary ingredients and conditions. The analysis indicates that ADG increases with increasing dietary NE and BW but decreases when BW is above 87 kg. The G:F ratio improves with increasing dietary NE and fat but decreases with increasing BW. The regression equations were then evaluated by comparing the actual and predicted performance of 543 finishing pigs in 2 trials fed 5 dietary treatments, included 3 different levels of NE by adding wheat middlings, soybean hulls, dried distillers grains with solubles (DDGS; 8 to 9% oil), or choice white grease (CWG) to a corn-soybean meal-based diet. Diets were 1) 30% DDGS, 20% wheat middlings, and 4 to 5% soybean hulls (low energy); 2) 20% wheat middlings and 4 to 5% soybean hulls (low energy); 3) a corn-soybean meal diet (medium energy); 4) diet 2 supplemented with 3.7% CWG to equalize the NE level to diet 3 (medium energy); and 5) a corn-soybean meal diet with 3.7% CWG (high energy). Only small differences were observed

  7. HAWC Analysis of the Crab Nebula Using Neural-Net Energy Reconstruction

    Science.gov (United States)

    Marinelli, Samuel; HAWC Collaboration

    2017-01-01

    The HAWC (High-Altitude Water-Cherenkov) experiment is a TeV γ-ray observatory located 4100 m above sea level on the Sierra Negra mountain in Puebla, Mexico. The detector consists of 300 water-filled tanks, each instrumented with 4 photomuliplier tubes that utilize the water-Cherenkov technique to detect atmospheric air showers produced by cosmic γ rays. Construction of HAWC was completed in March, 2015. The experiment's wide field of view (2 sr) and high duty cycle (> 95 %) make it a powerful survey instrument sensitive to pulsar wind nebulae, supernova remnants, active galactic nuclei, and other γ-ray sources. The mechanisms of particle acceleration at these sources can be studied by analyzing their energy spectra. To this end, we have developed an event-by-event energy-reconstruction algorithm employing an artificial neural network to estimate energies of primary γ rays. The Crab Nebula, the brightest source of TeV photons, makes an excellent calibration source for this technique. We will present preliminary results from an analysis of the Crab energy spectrum using this new energy-reconstruction method. This work was supported by the National Science Foundation.

  8. Prototyping Energy Efficient Thermo-Magnetic & Induction Hardening for Heat Treat & Net Shape Forming Applications

    Energy Technology Data Exchange (ETDEWEB)

    Aquil Ahmad

    2012-08-03

    Within this project, Eaton undertook the task of bringing about significant impact with respect to sustainability. One of the major goals for the Department of Energy is to achieve energy savings with a corresponding reduction in carbon foot print. The use of a coupled induction heat treatment with high magnetic field heat treatment makes possible not only improved performance alloys, but with faster processing times and lower processing energy, as well. With this technology, substitution of lower cost alloys for more exotic alloys became a possibility; microstructure could be tailored for improved magnetic properties or wear resistance or mechanical performance, as needed. A prototype commercial unit has been developed to conduct processing of materials. Testing of this equipment has been conducted and results demonstrate the feasibility for industrial commercialization.

  9. [Modernity in dreams and myths].

    Science.gov (United States)

    Scopelliti, Paolo

    2009-01-01

    The very presence of myths in psychoanalysis raises questions about their scientific status: that leads to reconsider the whole issue of Freudian mythology in a non-medical manner, by envisaging it in the more general context of modern myths, both political and artistic. Special attention is then paid to Surrealism, as the only avant-garde movement at the same time focused on psychoanalysis and politics: the role played by dreams in foundering myths is examined in both Surrealism and psychoanalysis. Surrealistic myths, such as Dalí's Grand Paranoïaque Comestible, finally prove to be so non-oedipian as the Nazi Ubermensch myth; nevertheless, their comparison with Freudian mythology points out their common origin, as they all fulfilled the need of the mass society for a modern myth, able to express his deeply renewed self-awareness.

  10. Kaupuni Village: A Closer Look at the First Net-Zero Energy Affordable Housing Community in Hawai'i (Brochure)

    Energy Technology Data Exchange (ETDEWEB)

    2012-05-01

    This is the first of four Hawaii Clean Energy Initiative community brochures focused on HCEI success stories. This brochure focuses on the first LEED Platinum net-zero energy affordable housing community in Hawaii. Our lead NREL contact for HCEI is Ken Kelly.

  11. Towards a Net Zero Building Cluster Energy Systems Analysis for US Army Installations

    Science.gov (United States)

    2011-05-01

    available technologies [2] related to the building envelope, ventilation, advanced “low exergy ” heating and cooling systems, central energy plants...built or retrofitted to “passive house” requirements and using advanced “low exergy ” systems to satisfy remaining heating and cooling needs. The

  12. A Green Prison: Santa Rita Jail Creeps Towards Zero Net Energy (ZNE)

    Energy Technology Data Exchange (ETDEWEB)

    Marnay, Chris; DeForest, Nicholas; Stadler, Michael; Donadee, Jon; Dierckxsens, Carlos; Mendes, Goncalo; Lai, Judy; Cardoso, Goncalo Ferreira

    2011-03-18

    A large project is underway at Alameda County's twenty-year old 45 ha 4,000-inmate Santa Rita Jail, about 70 km east of San Francisco. Often described as a green prison, it has a considerable installed base of distributed energy resources including a seven-year old 1.2 MW PV array, a four-year old 1 MW fuel cell with heat recovery, and efficiency investments. A current US$14 M expansion will add approximately 2 MW of NaS batteries, and undetermined wind capacity and a concentrating solar thermal system. This ongoing effort by a progressive local government with considerable Federal and State support provides some excellent lessons for the struggle to lower building carbon footprint. The Distributed Energy Resources Customer Adoption Model (DER-CAM) finds true optimal combinations of equipment and operating schedules for microgrids that minimize energy bills and/or carbon emissions without 2 of 12 significant searching or rules-of-thumb prioritization, such as"efficiency first then on-site generation." The results often recommend complex systems, and sensitivities show how policy changes will affect choices. This paper reports an analysis of the historic performance of the PV system and fuel cell, describes the complex optimization applied to the battery scheduling, and shows how results will affect the jail's operational costs, energy consumption, and carbon footprint. DER-CAM is used to assess the existing and proposed DER equipment in its ability to reduce tariff charges.

  13. The Myth of Data Rights

    Science.gov (United States)

    2015-11-01

    Defense AT&L: November–December 2015 46 The Myth of Data Rights Peter A. Czech Czech is a Professor of Program Management in the School of Program...following: What are data rights? How can we remove some of the myths surrounding them? What can we do if we don’t own the data rights? Before we answer...hand we want the best outcome or product for the pub- lic sector. Where does the myth of data rights originate? Myths The Merriam-Webster Diction

  14. Six dangerous myths about pay.

    Science.gov (United States)

    Pfeffer, J

    1998-01-01

    Every day, executives make decisions about pay, and they do so in a landscape that's shifting. As more and more companies base less of their compensation on straight salary and look to other financial options, managers are bombarded with advice about the best approaches to take. Unfortunately, much of that advice is wrong. Indeed, much of the conventional wisdom and public discussion about pay today is misleading, incorrect, or both. The result is that business people are adopting wrongheaded notions about how to pay people and why. In particular, they are subscribing to six dangerous myths about pay. Myth #1: labor rates are the same as labor costs. Myth #2: cutting labor rates will lower labor costs. Myth #3: labor costs represent a large portion of a company's total costs. Myth #4: keeping labor costs low creates a potent and sustainable competitive edge. Myth #5: individual incentive pay improves performance. Myth #6: people work primarily for the money. The author explains why these myths are so pervasive, shows where they go wrong, and suggests how leaders might think more productively about compensation. With increasing frequency, the author says, he sees managers harming their organizations by buying into--and acting on--these myths. Those that do, he warns, are probably doomed to endless tinkering with pay that at the end of the day will accomplish little but cost a lot.

  15. Net radiation, sensible and latent heat flux densities on slopes computed by the energy balance method

    Science.gov (United States)

    Fritschen, Leo; Qian, Ping

    1990-01-01

    Energy balance components obtained over five grass-covered sloping surfaces near Manhattan, KS, using the Bowen ratio energy balance technique with the instruments mounted horizontally were compared with calculated values when the instruments were mounted parallel to the surfaces. Hourly values of the components changed when the instruments were parallel to the surfaces. The changes were larger at low solar angles (spring and fall) and on steeper slopes. An area average of daylight totals, assuming that all aspects were equally represented, changed only 0.1 percent on June 6 and 2.3 percent on October 11. The calculations, extended to steeper slopes, indicated small changes in the daylight totals for slopes of less than 10 deg.

  16. Staged Z-pinch for the production of high-flux neutrons and net energy

    Energy Technology Data Exchange (ETDEWEB)

    Wessel, Frank J.; Rahman, Hafiz Ur; Rostoker, Norman; Ney, Paul

    2017-12-05

    A fusible target is embedded in a high Z liner, ohmically heated and then shock wave heated by implosion of an enveloping high Z liner. The target is adiabatically heated by compression, fusibly ignited and charged-particle heated as it is being ignited. A shock front forms as the liner implodes which shock front detaches from the more slowly moving liner, collides with the outer surface of the target, accelerates inward, rapidly heating the target, adiabatically compressing the target and liner and amplifying the current to converge the liner mass toward a central axis thereby compressing the target to a fusion condition when it begins to ignite and produce charged particles. The charged particles are trapped in a large magnetic field surrounding the target. The energy of the charged particles is deposited into the target to further heat the target to produce an energy gain.

  17. Fiscal Year 2013 Net Zero Energy-Water-Waste Portfolio for Fort Leonard Wood

    Science.gov (United States)

    2014-12-01

    Stormwater Management Implement and achieve objectives from USEPA Army Policy Army Sustainable Design and Development Policy, December 2013...facilities with follow-up projects, ERDC/CERL SR-14-11 54 and established stormwater management requirements. EO 13514 extend- ed water reduction...EnEff Stadt (a comprehen- sive approach to urban areas with local and district heating networks), the World Bank Energy Sector Management Assistance

  18. Getting to Net Zero

    Energy Technology Data Exchange (ETDEWEB)

    2016-09-01

    The technology necessary to build net zero energy buildings (NZEBs) is ready and available today, however, building to net zero energy performance levels can be challenging. Energy efficiency measures, onsite energy generation resources, load matching and grid interaction, climatic factors, and local policies vary from location to location and require unique methods of constructing NZEBs. It is recommended that Components start looking into how to construct and operate NZEBs now as there is a learning curve to net zero construction and FY 2020 is just around the corner.

  19. A Game Theoretic Framework for Green HetNets Using D2D Traffic Offload and Renewable Energy Powered Base Stations

    KAUST Repository

    Yaacoub, Elias

    2015-08-26

    This chapter investigates the interplay between cooperative device-to-device (D2D) communications and green communications in LTE heterogeneous networks (HetNets). Two game theoretic concepts are studied and analyzed in order to perform dynamic HetNet base station (BS) on/off switching. The first approach is a coalition-based method whereas the second is based on the Nash bargaining solution. Afterwards, a method for coupling the BS on/off switching approach with D2D collaborative communications is presented and shown to lead to increased energy efficiency. The savings are additionally increased when a portion of the small cell BSs in a HetNet are powered by renewable energy sources. Different utility functions, modeling the game theoretic framework governing the energy consumption balance between the cellular network and the mobile terminals (MTs), are proposed and compared, and their impact on MT quality of service (QoS) is analyzed.

  20. The Role of Occupant Behavior in Achieving Net Zero Energy: A Demonstration Project at Fort Carson

    Energy Technology Data Exchange (ETDEWEB)

    Judd, Kathleen S.; Sanquist, Thomas F.; Zalesny, Mary D.; Fernandez, Nicholas

    2013-09-30

    This study, sponsored by the U.S. General Services Administration’s Office of Federal High-Performance Green Buildings, aimed to understand the potential for institutional and behavioral change to enhance the performance of buildings, through a demonstration project with the Department of Defense in five green buildings on the Fort Carson, Colorado, Army base. To approach this study, the research team identified specific occupant behaviors that had the potential to save energy in each building, defined strategies that might effectively support behavior change, and implemented a coordinated set of actions during a three-month intervention.

  1. Towards a Net Zero Building Cluster Energy Systems Analysis for a Brigade Combat Team Complex

    Science.gov (United States)

    2010-05-01

    building enve- lope, ventilation, advanced “low exergy ” heating and cooling systems, central energy plants with co- This material is declared a work of the...from the mains increases from centralized to decentralized by 21% or 4.3 GWh/yr. The fact that heat is a local commodity with a lower exergy factor...and electricity is a non-local commod- ity with an exergy factor of 1 that cannot be stored easily like heat, indicates that this is a good path to

  2. Solar Sustainable Heating, Cooling and Ventilation of a Net Zero Energy House

    DEFF Research Database (Denmark)

    Kazanci, Ongun Berk; Skrupskelis, Martynas; Olesen, Bjarne W.

    Present work addresses the heating, cooling and ventilation concerns of the Technical University of Denmark’s house, Fold, for Solar Decathlon Europe 2012. Various innovative approaches are investigated, namely, utilization of ground, photo-voltaic/thermal (PV/T) panels and phase change materials...... by the embedded pipes which are coupled with the ground. Ventilation is mainly used to control the humidity and to remove sensory and chemical pollution. PV/T panels enable the house to be a “plus” energy house. PV/T also yields to a solar fraction of 63% and 31% for Madrid and Copenhagen, respectively...

  3. Drinking water microbial myths.

    Science.gov (United States)

    Allen, Martin J; Edberg, Stephen C; Clancy, Jennifer L; Hrudey, Steve E

    2015-01-01

    Accounts of drinking water-borne disease outbreaks have always captured the interest of the public, elected and health officials, and the media. During the twentieth century, the drinking water community and public health organizations have endeavored to craft regulations and guidelines on treatment and management practices that reduce risks from drinking water, specifically human pathogens. During this period there also evolved misunderstandings as to potential health risk associated with microorganisms that may be present in drinking waters. These misunderstanding or "myths" have led to confusion among the many stakeholders. The purpose of this article is to provide a scientific- and clinically-based discussion of these "myths" and recommendations for better ensuring the microbial safety of drinking water and valid public health decisions.

  4. More myths of migration.

    Science.gov (United States)

    Basch, L; Lerner, G

    1986-01-01

    This paper discusses some of the myths of migration. The 5 myths presented are: 1) racism has little to do with the causes of migration and does not necessarily impede the adjustment or success of migrants; 2) in areas where there is a strong feminist movement and trade unions, migrant women receive their support and can count on the solidarity of these organizations; 3) transnational corporations are positive forces in the developing countries where they operate--not only do they provide these states with new sources of capital, but they also impart new industrial skills to the labor force; 4) migration today is essentially short-term in nature--it therefore does not have a strong impact on family life; and 5) most migrants cluster together in ethnic enclaves which provide a strong source of support and diminish dislocation inherent in the migrant process.

  5. Space, myth and cinematography

    Science.gov (United States)

    Hambardzumov, Arsen

    2016-12-01

    There exist both ancient and modern myths. The competition of good and evil, sanctity, mythic hero character, etc. make up those myths. Connection between the myth and literature, art and mainly cinematography is highly essential. Hollywood is a striking example of that connection, in other words "A Dream Factory". The mythic component in American films is obvious. It refers to the product structure which is frequently created by mythic rules. One of its striking examples is D. Lucas's film "Star wars. Episode IV - New Hope" (1977): The film plot is built on the struggle between the good and the evil. On one hand those are the representatives of the Empire with Darth Vader and princess Leia with her devotees on the other. The space has played a unique role for Greek philosophers as well. It was the symbol of perfection and grace. The attempt to approach this perfection, the desire to see the internal similarity besides the external one has been reflected in S. Kubrick's film "2001: Space Odyssey" (1968). Showing the space distance director looks for perfection in us which lies in the harmony of truth, human and nature.

  6. Myths, presumptions, and facts about obesity.

    Science.gov (United States)

    Casazza, Krista; Fontaine, Kevin R; Astrup, Arne; Birch, Leann L; Brown, Andrew W; Bohan Brown, Michelle M; Durant, Nefertiti; Dutton, Gareth; Foster, E Michael; Heymsfield, Steven B; McIver, Kerry; Mehta, Tapan; Menachemi, Nir; Newby, P K; Pate, Russell; Rolls, Barbara J; Sen, Bisakha; Smith, Daniel L; Thomas, Diana M; Allison, David B

    2013-01-31

    Many beliefs about obesity persist in the absence of supporting scientific evidence (presumptions); some persist despite contradicting evidence (myths). The promulgation of unsupported beliefs may yield poorly informed policy decisions, inaccurate clinical and public health recommendations, and an unproductive allocation of research resources and may divert attention away from useful, evidence-based information. Using Internet searches of popular media and scientific literature, we identified, reviewed, and classified obesity-related myths and presumptions. We also examined facts that are well supported by evidence, with an emphasis on those that have practical implications for public health, policy, or clinical recommendations. We identified seven obesity-related myths concerning the effects of small sustained increases in energy intake or expenditure, establishment of realistic goals for weight loss, rapid weight loss, weight-loss readiness, physical-education classes, breast-feeding, and energy expended during sexual activity. We also identified six presumptions about the purported effects of regularly eating breakfast, early childhood experiences, eating fruits and vegetables, weight cycling, snacking, and the built (i.e., human-made) environment. Finally, we identified nine evidence-supported facts that are relevant for the formulation of sound public health, policy, or clinical recommendations. False and scientifically unsupported beliefs about obesity are pervasive in both scientific literature and the popular press. (Funded by the National Institutes of Health.).

  7. Neural nets with varying topology for high-energy particle recognition: an outlook of computational dynamics

    Science.gov (United States)

    Perrone, Antonio L.; Messi, Roberto; Pasqualucci, Enrico; Basti, Gianfranco

    1993-09-01

    With respect to Rosenblatt linear perceptron, a classical limitation theorem demonstrated by M. Minsky and S. Papert is discussed. This theorem, '$PSIOne-in-a-box', ultimately concern the intrinsic limitations of parallel calculations in pattern calculations in pattern recognition problems. We demonstrate a possible solution of this limitation problem by substituting the static definition of characteristic functions and of their domains in the 'geometrical' perceptron, with their dynamic definition. This dynamics consists in the mutual redefinition of the characteristic function and of its domain depending on the matching with the input. We show an application of this 'dynamic' perceptron scheme in particle tracks recognition in high energy physics. Actually, this algorithm is being used for real time automatic triggering of ADONE e+e- storage ring (Frascati, Rome) to evaluate the neutron time-like electromagnetic form factor in the context of 'Fenice' collaboration by Italian Institute of Nuclear Physics (INFN).

  8. Demonstration of the Energy Component of the Installation Master Plan Using the Net Zero Energy Planner Tool

    Science.gov (United States)

    2015-10-07

    solutions such as solar photovoltaics, solar thermal, wind energy, bio -mass (wood chips, etc.), bio -gas, or synthetic gas are considered as part of the...from four sources (natural gas, biogas, diesel/fuel oil, and bio - mass). This should allow the installation to maintain critical functions even under...distribution system. • Storm drainage system. • Wastewater system (sewers). • Natural gas distribution system. • Petroleum, Oils, and lubricants (POL – fuel

  9. Myths and Truths from Exercise Physiology

    Science.gov (United States)

    Kieffer, H. Scott

    2008-01-01

    This article addresses some of the common myths in the field of exercise physiology. Some of the myths are misconstrued facts that have developed over time, such as the myth of localized fat reduction. Other myths are unproved or collective beliefs used to justify a social institution; we see this occur in the form of "fitness fads." Society is…

  10. Procedure to determine module distribution within a solar array to increase the net energy collection in a solar competition vehicle

    Science.gov (United States)

    Suárez-Castañeda, Nicolás.; Gil-Herrera, Ana; Barrera-Velásquez, Jorge; Osorio-Gómez, Gilberto; Mejía-Gutiérrez, Ricardo

    2014-06-01

    In solar vehicle competition, the available space for installation of the solar panel in the car is limited. In order to optimize space, it is difficult not to install solar modules in areas impacted by shadows, even if they cause reduction of efficiency in the overall photoelectric generation. Shadow patterns arise from the relative position of the sun to the earth, and the relative position of the vehicle towards both of them. Since vehicle, earth and sun are moving in semi-predictable patterns, computer simulations can cross and match data from such sources to forecast generation behavior. The outputs of such simulations are shadow patterns on the surface of the vehicle, indicating locations that are suitable or unsuitable to install solar cells. This paper will show the design procedure of the solar panel for a Challenger Class solar vehicle that participated in the World Solar Challenge 2013, intended to increase the net energy collection. The results obtained, illustrate how the employment of a computational tool can help in the acquisition of both qualitative and quantitative information, related to shadows position and their impact on energy collection. With data inputs such as vehicle geometry and its relative position towards the route, the tool was used to evaluate different possible configurations of solar panel module distribution and select the ones that are more convenient to the given scenario. Therefore, this analysis allows improving the solar panel design by considering important variables that were often overlooked.

  11. Ricoeur on myth and demythologising

    African Journals Online (AJOL)

    2016-07-08

    Jul 8, 2016 ... using the Religionsgeschichtliche definition of myth and applying. Hans Jonas's .... Beyond the self-understanding of a society there is an opaque ... just like languages. Just as languages are translatable, so are myths, giving them a horizon of universality that allows them to be understood by other cultures.

  12. Myth, Method and International News.

    Science.gov (United States)

    Lule, Jack

    Defining myth as a cultural narrative in symbolic form that articulates a world view and offers consensus with that view, this paper uses a brief "New York Times" report on the Soviet shooting down of South Korean airline flight 007 as the basis for comparison of international news and myth. Following a review of the literature on myth…

  13. Myths about English Language Learning

    Science.gov (United States)

    Medina-Jerez, William; Campbell, Todd

    2015-01-01

    As the ethnic and racial diversity in U.S. classrooms continues to grow, myths about the education of English Language Learners (ELLs) persist, while many teachers feel ill-prepared to meet these students' academic needs. This article focuses on myths shared by in-service science teachers enrolled in a master's program at the University of Texas…

  14. Worldwide clean energy system technology using hydrogen (WE-NET). subtask 9. Investigation of innovative and leading technologies; Suiso riyo kokusai clean energy system gijutsu (WE-NET). subtask 9. Kakushinteki sendoteki gijutsu ni kansuru chosa kenkyu

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-03-01

    The WE-NET Project is a long-term project designed to ensure that an energy network technology using hydrogen becomes a reality not later than 2020. So the project cannot remain effective unless constant efforts are made to foresee future trends of technology and optimize it as the making of entire system for the project. In this project, new technologies which are not up for development are also investigated. Their feasibility should be studied, if necessary. From the foregoing point of view, new technologies are studied, collected and evaluated. Thus, useful suggestions and proposals may be made as to the course for the project to follow, as well as its research and development. Proposals highly evaluated up to FY 1995 are the hydrogen-oxygen internal-combustion Stirling`s engine, hydrogen production by solid oxide electrolysis, magnetic refrigeration technology for liquefaction of hydrogen, solar thermal hydrogen production with iron sponge technology, and hydrogen producing technology with photocatalyst. Conceptual investigation themes in FY 1996 are the hydrogen internal-combustion Stirling engine, solar thermal hydrogen production, phototransformation process, and high-temperature steam electrolysis. 9 figs., 54 tabs.

  15. Amateur mythographies: Fan fiction and the myth of myth

    Directory of Open Access Journals (Sweden)

    Ika Willis

    2016-03-01

    Full Text Available This paper draws on classical scholarship on myth in order to critically examine three ways in which scholars and fans have articulated a relationship between fan fiction and myth. These are (1 the notion of fan fiction as a form of folk culture, reclaiming popular story from corporate ownership; (2 the notion of myth as counterhegemonic, often feminist, discourse; (3 the notion of myth as a commons of story and a universal story world. I argue that the first notion depends on an implicit primitivizing of fan fiction and myth, which draws ultimately on the work of Gottfried von Herder in the 18th century and limits our ability to produce historically and politically nuanced understandings of fan fiction. The second notion, which is visible in the work of Henry Jenkins and Constance Penley, is more helpful because of its attention to the politics of narration. However, it is the third model of myth, as a universal story world, where we find the richest crossover between fan fiction's creative power and contemporary classical scholarship on myth, especially in relation to Sarah Iles Johnston's analysis of hyperserial narrative. I demonstrate this through some close readings of fan fiction from the Greek and Roman Mythology fandom on Archive of Our Own. I conclude the paper by extending Johnston's arguments to show that fan-fictional hyperseriality, specifically, can be seen as mythic because it intervenes not only in the narrative worlds of its source materials but also in the social world of its telling.

  16. The effects of substitution of incandescent light bulbs over the energy net; Os efeitos da substituicao de lampadas incandescentes sobre a rede eletrica

    Energy Technology Data Exchange (ETDEWEB)

    Blum, Juergen [A-Eberle GmbH (Germany)

    2010-11-15

    Fluorescent compact lamps and LED light require reactors to work. Analyzing the consumed power by these lamps, complex effects with no positive consequences over the electric energy net is observed. In the context of the harmonics, should be considered mainly the reactive power of distortion. The article clarifies the related concepts and presents practical examples.

  17. "Watts per person" paradigm to design net zero energy buildings: Examining technology interventions and integrating occupant feedback to reduce plug loads in a commercial building

    Science.gov (United States)

    Yagi Kim, Mika

    As building envelopes have improved due to more restrictive energy codes, internal loads have increased largely due to the proliferation of computers, electronics, appliances, imaging and audio visual equipment that continues to grow in commercial buildings. As the dependency on the internet for information and data transfer increases, the electricity demand will pose a challenge to design and operate Net Zero Energy Buildings (NZEBs). Plug Loads (PLs) as a proportion of the building load has become the largest non-regulated building energy load and represents the third highest electricity end-use in California's commercial office buildings, accounting for 23% of the total building electricity consumption (Ecova 2011,2). In the Annual Energy Outlook 2008 (AEO2008), prepared by the Energy Information Administration (EIA) that presents long-term projections of energy supply and demand through 2030 states that office equipment and personal computers are the "fastest growing electrical end uses" in the commercial sector. This thesis entitled "Watts Per Person" Paradigm to Design Net Zero Energy Buildings, measures the implementation of advanced controls and behavioral interventions to study the reduction of PL energy use in the commercial sector. By integrating real world data extracted from an energy efficient commercial building of its energy use, the results produce a new methodology on estimating PL energy use by calculating based on "Watts Per Person" and analyzes computational simulation methods to design NZEBs.

  18. Roger Caillois’ Biology of Myth and the Myth of Biology

    OpenAIRE

    Eidelpes, Rosa

    2014-01-01

    The article focuses on the “mythical” epistemology of Roger Caillois (1913-1987). For the French sociologist, writer and literary critic myth can no longer be confined to the specialist area of a cultural analysis of mythology, but is part of a « diagonal science ». In his work Le mythe et l’homme (1938), he aims to develop a “biological” basis for the theory of myths. He argues that human imagination is dominated by instincts and that natural processes control cultural production. Thus, Le m...

  19. Energy neutral: the human foot and ankle subsections combine to produce near zero net mechanical work during walking.

    Science.gov (United States)

    Takahashi, Kota Z; Worster, Kate; Bruening, Dustin A

    2017-11-13

    The human foot and ankle system is equipped with structures that can produce mechanical work through elastic (e.g., Achilles tendon, plantar fascia) or viscoelastic (e.g., heel pad) mechanisms, or by active muscle contractions. Yet, quantifying the work distribution among various subsections of the foot and ankle can be difficult, in large part due to a lack of objective methods for partitioning the forces acting underneath the stance foot. In this study, we deconstructed the mechanical work production during barefoot walking in a segment-by-segment manner (hallux, forefoot, hindfoot, and shank). This was accomplished by isolating the forces acting within each foot segment through controlling the placement of the participants' foot as it contacted a ground-mounted force platform. Combined with an analysis that incorporated non-rigid mechanics, we quantified the total work production distal to each of the four isolated segments. We found that various subsections within the foot and ankle showed disparate work distribution, particularly within structures distal to the hindfoot. When accounting for all sources of positive and negative work distal to the shank (i.e., ankle joint and all foot structures), these structures resembled an energy-neutral system that produced net mechanical work close to zero (-0.012 ± 0.054 J/kg).

  20. Baikal: Myth and Image

    Directory of Open Access Journals (Sweden)

    Konstantin Lidin

    2013-09-01

    Full Text Available Baikal is not only one of the greatest lakes of the world. Baikal is a system of myths and images which has been formed for many centuries. The analysis of old maps shows that only 200-300 years ago the existence of Baikal was the subject of wild speculations. Today the image of Baikal is a world brand. However citizens of Irkutsk and other towns located around Baikal can hardly make any profit on it. The reason is the absence of specialists who would be able to work with such a complex and strong image as Baikal.

  1. Scientific myth-conceptions

    Science.gov (United States)

    Allchin, Douglas

    2003-05-01

    Using several familiar examples - Gregor Mendel, H. B. D. Kettlewell, Alexander Fleming, Ignaz Semmelweis, and William Harvey - I analyze how educators currently frame historical stories to portray the process of science. They share a rhetorical architecture of myth, which misleads students about how science derives its authority. Narratives of error and recovery from error, alternatively, may importantly illustrate the nature of science, especially its limits. Contrary to recent claims for reform, we do not need more history in science education. Rather, we need different types of history that convey the nature of science more effectively.

  2. Net-energy analysis of integrated food and bioenergy systems exemplified by a model of a self-sufficinet system of dairy farms

    DEFF Research Database (Denmark)

    Markussen, Mads Ville; Pugesgaard, Siri; Oleskowicz-Popiel, Piotr

    2015-01-01

    rye grain and whey, and (4) a combination of (1) and (2). When assessing the energetic net-contribution to society from bioenergy systems, two types of problems arise: how to aggregate non-equivalent types of energy services and how to account for non-equivalent types of inputs and coproducts from...... the farming? To avoid the first type, the net output of liquid fuels, electricity, useful heat, and food were calculated separately. Furthermore, to avoid the second type, all scenarios were designed to provide self-sufficiency with fodder and fertilizer and to utilize coproducts within the system...

  3. Authorship: Few Myths and Misconceptions.

    Science.gov (United States)

    Menezes, Ritesh G; Kharoshah, Magdy A; Madadin, Mohammed; Marakala, Vijaya; Lasrado, Savita; Al Tamimi, Dalal M

    2016-12-01

    This article seeks to address and dispel some of the popular myths and misconceptions surrounding authorship of a scientific publication as this is often misconstrued by beginners in academia especially those in the developing world. While ethical issues in publishing related to authorship have been increasingly discussed, not much has been written about the myths and misconceptions of who might be an author. Dispelling these myths and misconceptions would go a long way in shaping the thoughts and plans of students, junior faculty and researchers in academia especially in the developing world.

  4. Modern myths of Mars

    Science.gov (United States)

    Levin, Gilbert V.

    2006-08-01

    July 30, 2006 was the 30 th anniversary of the Viking Mission's first Labeled Release (LR) life detection experiment on Mars. The strong response, together with supporting results from eight additional LR tests of Martian soil, established the presence of an active agent that was inhibited by heating. The data satisfied the pre-mission criteria for the detection of living microorganisms. However, the scientific community reacted cautiously, generally concluding that the activity in the soil was caused by chemistry or physics. Over the last three decades, investigation of Mars has greatly increased. Soil, rock and atmospheric analyses have been made. Multi-spectral observations have been made from Mars and Earth orbits and from Earth-based telescopes. Knowledge of extreme habitats and bizarre life forms that populate them on Earth has increased dramatically. However, this vast amount of new astrobiological information has yet to be integrated into an objective scientific evaluation of the LR results and the possibilities for life on Mars. Indeed, in part upon misinterpretations of the new findings, myths have been embedded into the scientific literature of Mars. Based on these myths as key ingredients, a false "standard model" of Martian life potential has been developed. It has been accepted by much of the astrobiological community, and, through its endorsement, the world at large. This paper attempts to bring the supportable facts together in calling for a revision of the current consensus regarding life on Mars. It recommends actions to facilitate the paradigm change.

  5. Mesopotamia: myth and reality

    Directory of Open Access Journals (Sweden)

    Alfred Haldar

    1972-06-01

    Full Text Available Was there a myth relating to the state in ancient Mesopotamia? There were several complexes of such myth. An example of this is Hammurabi, the king of Babylonian dynasty who extended Babylon’s control throughout Mesopotamia. His most important reform was Marduk's rise to a position as the chief deity of the whole kingdom. Whether or not the Epic of Creation obtained its final literary form in the reign of Hammurabi is a question, which is not easily answered. There is sufficient evidence of the main features of Marduk's character before Hammurabi's reign, but quite another question is that of the literary process. In any case, Marduk's position as the chief deity of the realm coincided with Hammurabi's adopting the feudal system of administration. In the Ur III period, as we have seen, the early system still prevailed, and the earlier city states continued their existence, although as provinces of the unity. This system was continued in the period of the Isin and Larsa dynasties. In the reign of Shamshi-Adad of Asshur, at any rate, we meet with a typical feudal system, as is evident, for instance, from his correspondence with his son Yasmah-Adad, viceroy of Mari. This system implies that the king considered himself the possessor of the ground, particularly such as belonged to the temples, and its products as well.

  6. MYTH. OTHERNESS DISCOURSE

    Directory of Open Access Journals (Sweden)

    Liliana G. VOȘ

    2015-11-01

    Full Text Available The aim of the study is to explain the concept of otherness as a mythical dimension of the man as a creator in the context of contemporary drama. The approach is a hermeneutics one, but the intention is to extend the analysis towards an interdisciplinary approach due to the multiple ways that otherness reveals on the background of the insular space of the theater as interface of cultural and social. We wish to draw attention to the mythical-symbolic elements that catalyzes the relation between drama and its putting on stage . In our point of view the importance of the drama is the revealing the way that a prototype lives in everyone and the myth is a generating center of identities and otherness in a World of correlations. Mythical models are bringing the imaginary and objectivity into a manageable collaboration that resonate a sense of reality in order to make seen the unseen by ritual as a link between myth and culture.

  7. Between myth and reality

    DEFF Research Database (Denmark)

    Hyldegård, Jette

    Many myths exist about the Google Generation which tend to overestimate the positive impact of ICT’s on young people. This paper presents and discusses the results of an exploratory case study of 43 Danish secondary school pupils’ information behaviour. Four research questions guided the study: 1......, this ‘optimal’ behaviour was found to be in conflict with a rational approach to information practice across secondary school pupils.......Many myths exist about the Google Generation which tend to overestimate the positive impact of ICT’s on young people. This paper presents and discusses the results of an exploratory case study of 43 Danish secondary school pupils’ information behaviour. Four research questions guided the study: 1......) What characterises the information behaviour of Danish secondary school pupils? 2) Does the information behaviour differ across year of study? If so, in which way does it differ? 3) How is information seeking conceptualized and experienced? 4) How is the study centre and library conceptualized...

  8. Nutrition myths and healthy dietary advice in clinical practice.

    Science.gov (United States)

    Lesser, Lenard I; Mazza, Mary Carol; Lucan, Sean C

    2015-05-01

    Healthy dietary intake is important for the maintenance of general health and wellness, the prevention of chronic illness, the optimization of life expectancy, and the clinical management of virtually all disease states. Dietary myths (i.e., concepts about nutrition that are poorly supported or contradicted by scientific evidence) may stand in the way of healthy dietary intake. Dietary myths exist about micronutrients, macronutrients, non-nutrients, and food energy. Representative myths of each type include that patients need to focus on consuming enough calcium to ensure bone health, dietary fat leads to obesity and is detrimental to vascular health, all fiber (whether naturally occurring or artificially added) is beneficial, and food calories translate to pounds of body weight through a linear relationship and simple arithmetic. A common theme for dietary myths is a reductionist view of diet that emphasizes selected food constituents as opposed to whole foods. Healthy dietary advice takes a more holistic view; consistent evidence supports recommendations to limit the consumption of ultraprocessed foods and to eat whole or minimally processed foods, generally in a form that is as close to what occurs in nature as possible. Family physicians can help dispel myths for patients and give sound nutritional advice by focusing on actual foods and broader dietary patterns.

  9. Pan-Gaean Flood myths: Gondwana myths -- and beyond

    OpenAIRE

    Witzel, Michael E.J.

    2010-01-01

    Mythological compendia and indexes such as that by Stith Thompson create the impression that flood myths are rare in Africa and Australia. Erroneously, I too thought so in my short summary of Laurasian mythology (2001). A closer look at the worldwide distribution of flood myths tells differently. While they are fairly widespread in the Laurasian Area (Eurasia, Polynesia, the Americas), they are by no means absent from what I like to call the Gondwana belt (sub-Saharan Africa, New Guinea / M...

  10. POOF! Myth and Fable Appear as Human Development Tools.

    Science.gov (United States)

    Hequet, Marc

    1992-01-01

    Serious trainers are using myths and fables in an attempt to focus workers on their conscious and unconscious assumptions about quality, diversity, job satisfaction, and other issues and to help them redirect their workplace energy more productively. Followers of Carl Jung argue that the approach used to help patients resolve inner conflicts can…

  11. Exposing the Bathtub Coriolis Myth.

    Science.gov (United States)

    Salzsieder, John C.

    1994-01-01

    Presents a demonstration that employs angular momentum to disprove the myth that water spirals down a bathtub drain clockwise in one hemisphere and counterclockwise in the other because of the Coriolis force on water. (ZWH)

  12. Newton's Principia: Myth and Reality

    Science.gov (United States)

    Smith, George

    2016-03-01

    Myths about Newton's Principia abound. Some of them, such as the myth that the whole book was initially developed using the calculus and then transformed into a geometric mathematics, stem from remarks he made during the priority controversy with Leibniz over the calculus. Some of the most persistent, and misleading, arose from failures to read the book with care. Among the latter are the myth that he devised his theory of gravity in order to explain the already established ``laws'' of Kepler, and that in doing so he took himself to be establishing that Keplerian motion is ``absolute,'' if not with respect to ``absolute space,'' then at least with respect to the fixed stars taken as what came later to be known as an inertial frame. The talk will replace these two myths with the reality of what Newton took himself to have established.

  13. Filtering Dialysis Myths from Facts

    Science.gov (United States)

    ... Menu Menu Search Home Prevention Kidney Disease Patients Organ Donation & Transplantation Professionals Events Advocacy Donate A to Z ... the area if needed. Myth: Dialysis is a death sentence. Fact: Dialysis is a treatment that helps ...

  14. Contraception. Myths, facts and methods.

    Science.gov (United States)

    Perlman, S E; Richmond, D M; Sabatini, M M; Krueger, H; Rudy, S J

    2001-02-01

    After reading this article, the reader should be able to: 1. Recognize the mechanism of action, side effects, contraindications, precautions and instructions for use of a variety of contraceptive methods. 2. Understand the advantages and disadvantages of the various contraceptive methods. 3. List the common myths and misconceptions about conception and contraception, and recognize how they can influence contraceptive decisions. Unintended pregnancy is a serious problem in the United States. Counseling a patient about conception and contraception involves more than simply imparting information and answering questions. Clinicians should actively detect and correct any myths and misapprehensions on the patient's part. These myths are quite common and can interfere with treatment if not attended to. This article summarizes common myths about pregnancy and contraception and reviews the key facts about both.

  15. Net Locality

    DEFF Research Database (Denmark)

    de Souza e Silva, Adriana Araujo; Gordon, Eric

    Provides an introduction to the new theory of Net Locality and the profound effect on individuals and societies when everything is located or locatable. Describes net locality as an emerging form of location awareness central to all aspects of digital media, from mobile phones, to Google Maps...... of emerging technologies, from GeoCities to GPS, Wi-Fi, Wiki Me, and Google Android....

  16. Net Neutrality

    DEFF Research Database (Denmark)

    Savin, Andrej

    2017-01-01

    Repealing “net neutrality” in the US will have no bearing on Internet freedom or security there or anywhere else.......Repealing “net neutrality” in the US will have no bearing on Internet freedom or security there or anywhere else....

  17. Myths About Press Freedom

    Directory of Open Access Journals (Sweden)

    Kaarle Nordenstreng

    2007-06-01

    Full Text Available This article intends to rectify three popular beliefs related to press freedom: (1 that the idea of a free marketplace of ideas with a self-righting truth belongs to original liberalism, (2 that UNESCO’s primary mission is to promote freedom of information, and (3 that the Universal Declaration of Human Rights provides legal safeguards for the media. These beliefs are shown, on the basis of the legacy of liberalism and documents of the international community, to be misleading myths. Instead of accurate readings of the idea of freedom, they serve as ideological positions which are harmful to democracy. The Millennium Declaration provides further proof that the international community has a much more balanced view of freedom of information than that typically held by media professionals. Therefore it is important to liberate the concept of press freedom from its ideological baggage.

  18. Dispelling Seven Myths about Grid Resource Management

    National Research Council Canada - National Science Library

    Natrajan, Anand; Grimshaw, Andrew S; Humphrey, Marty A; Nguyen-Tuong, Anh

    2004-01-01

    ... policies, respecting permissions for use, and so on. In this article we will present seven "myths" or common beliefs about grid resource management and dispel each myth by presenting counter-examples or "observations...

  19. Urban Myths about Learning and Education

    NARCIS (Netherlands)

    De Bruyckere, Pedro; Kirschner, Paul A.; Hulshof, Casper

    2016-01-01

    In this book, the most common popular myths relating to learning and education are discussed with respect to whether there is any truth in the myth and what good educational and psychological research has to say about them. Examples of such myths range from: learning styles to neuromyths such as

  20. Net-energy analysis of integrated food and bioenergy systems exemplified by a model of a self-sufficient system of dairy farms

    Directory of Open Access Journals (Sweden)

    Mads Ville Markussen

    2015-11-01

    Full Text Available Agriculture is expected to contribute in substituting of fossil fuels in the future. This constitutes a paradox as agriculture depends heavily on fossil energy for providing fuel, fodder, nutrients and machinery. The aim of this paper is to investigate whether organic agriculture is capable of providing both food and surplus energy to the society as evaluated from a model study. We evaluated bioenergy technologies in a Danish dairy farming context in four different scenarios: 1 vegetable oil based on oilseed rape, 2 biogas based on cattle manure and grass-clover lays, 3 bioethanol from rye grain and whey, and 4 a combination of 1 and 2. When assessing the energetic net-contribution to society from bioenergy systems, two types of problems arise: How to aggregate non-equivalent types of energy services, and how to account for non-equivalent types of inputs and co-products from the farming? To avoid the first type, the net output of liquid fuels, electricity, useful heat and food were calculated separately. Further, to avoid the second type, all scenarios were designed to provide self-sufficiency with fodder and fertilizer and to utilize co-products within the system. This approach resulted in a transparent assessment of the net-contribution to society, which is easy to interpret. We conclude that if 20% of land is used for energy crops, farm-gate energy self-sufficiency can be achieved at the cost of 17% reduction in amount of food produced. These results demonstrate the strong limitations for (organic agriculture in providing both food and surplus energy.

  1. Achieving a Net Zero Energy Retrofit - In a humid, temperate climate: Lessons from the University of Hawai'i at Manoa

    Energy Technology Data Exchange (ETDEWEB)

    Regnier, Cindy [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Robinson, Alastair [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

    2013-06-01

    The University of Hawaii at Manoa (UHM) partnered with the US Department of Energy (DOE) to develop and implement solutions to retrofit exiting buildings to reduce energy consumption by at least 30% as part of DOE’s Commercial Building Partnerships (CBP) Program.1 Kuykendall Hall, located on the UHM campus in Honolulu, was the focus of a CBP analysis and design collaboration among the University of Hawai’i, their consultants, and Lawrence Berkeley National Laboratory (LBNL). Kuykendall Hall consists of two 1960s-era wings – a four-story wing containing classrooms, and a seven-story tower containing offices – with a total floor area of approximately 76,000 square feet (ft2). The retrofit design, which uses local prevailing winds to aid ventilation and cooling and incorporates envelope and lighting elements that reduce the need for cooling, was initially on track to use about 50% less energy than the current building, exceeding the CBP’s 30% savings goal. With the addition of building-mounted solar electric panels, the retrofitted building is projected to achieve net-zero annual energy use. Achieving net-zero energy addressed an emerging challenge to the university – how to lower energy usage and reduce dependence on imported fossil fuel in the face of already-high energy prices that are forecast to double by 2040. Not only will the retrofit dramatically reduce Kuykendall Hall’s annual energy costs, but the project lays the groundwork for new campus policies and processes and low-energy design approaches and is building a campus knowledge base on low-energy practices. This project is a model of integrated design and building delivery that will be replicated in future projects on the campus.

  2. Egypt risks to become net importer of energy toward the year 2000 according to the World Bank. L'Egypte risque de devenir importateur net d'energie vers l'an 2000 selon la banque mondiale

    Energy Technology Data Exchange (ETDEWEB)

    Anon.

    1994-05-01

    Petroleum exports were about the two-third of the whole goods exports of Egypt in the eighties years, but this part is getting under 50%, because a lower growth of exported volume and because of the reduction of prices. As these kinds of things are continuing during the nineties years and the local petroleum consumption is increasing, Egypt could become a net importer of petroleum products at the end of the century.

  3. Fiscal 1998 research report on International Clean Energy Network using Hydrogen Conversion (WE-NET). Subtask 2. Research on promotion of international cooperation (research on standardization of hydrogen energy technologies); 1998 nendo suiso riyo kokusai clean energy system gijutsu (WE-NET) sub task. 2. Kokusai kyoryoku suishin no tame no chosa kento (suiso energy gijutsu hyojunka ni kansuru chosa kento)

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-03-01

    This report summarizes the fiscal 1998 research result on the basic research on standardization of hydrogen energy technologies, and ISO/TC197. As for the standardization, in relation to the hydrogen station in the WE-NET second phase research, the laws related to handling of gaseous hydrogen, and the basic issues on facility and safe handling were studied. As for ISO/TC197, the following draft standards were examined: Fuel supply system interface for liquid hydrogen vehicles, fuel tank for liquid hydrogen vehicles, container for liquid hydrogen transport, specification of hydrogen fuel, hydrogen fuel supply facility for air ports, gaseous hydrogen and hydrogen mixture fuel system for vehicles, gaseous hydrogen fuel connector for vehicles, gaseous hydrogen fuel tank for vehicles, and basic items for hydrogen system safety. Final examination of the fuel supply system interface for liquid hydrogen vehicles, and the specification of hydrogen fuel was finished, and these are scheduled to be registered for ISO. (NEDO)

  4. Myth and One-Dimensionality

    Directory of Open Access Journals (Sweden)

    William Hansen

    2017-12-01

    Full Text Available A striking difference between the folk-narrative genres of legend and folktale is how the human characters respond to supernatural, otherworldly, or uncanny beings such as ghosts, gods, dwarves, giants, trolls, talking animals, witches, and fairies. In legend the human actors respond with fear and awe, whereas in folktale they treat such beings as if they were ordinary and unremarkable. Since folktale humans treat all characters as belonging to a single realm, folklorists have described the world of the folktale as one-dimensional, in contrast to the two-dimensionality of the legend. The present investigation examines dimensionality in the third major genre of folk narrative: myth. Using the Greek and Hebrew myths of primordial paradise as sample narratives, the present essay finds—surprisingly—that the humans in these stories respond to the otherworldly one-dimensionally, as folktale characters do, and suggests an explanation for their behavior that is peculiar to the world of myth.

  5. The solar flare myth

    Science.gov (United States)

    Gosling, J. T.

    1993-01-01

    Many years of research have demonstrated that large, nonrecurrent geomagnetic storms, shock wave disturbances in the solar wind, and energetic particle events in interplanetary space often occur in close association with large solar flares. This result has led to a pradigm of cause and effect - that large solar flares are the fundamental cause of these events in the near-Earth space environmemt. This paradigm, which I call 'the solar flare myth,' dominates the popular perception of the relationship between solar activity and interplanetary and geomagnetic events and has provided much of the pragmatic rationale for the study of the solar flare phenomenon. Yet there is good evidence that this paradigm is wrong and that flares do not generally play a central role in producing major transient disturbances in the near-Earth space environment. In this paper I outline a different paradigm of cause and effect that removes solar flares from their central position in the chain of events leading from the Sun to near-Earth space. Instead, this central role is given to events known as coronal mass ejections.

  6. Debunking Health IT Usability Myths

    Science.gov (United States)

    Staggers, N.; Xiao, Y.; Chapman, L.

    2013-01-01

    Poor usability is a threat to patient safety and linked to productivity loss, workflow disruption, user frustration, sub-optimal product use and system de-installations. Although usability is receiving more attention nationally and internationally, myths about usability persist. This editorial debunks five common myths about usability (1) usability only concerns the look and feel of a product and is, therefore, only a minor concern, (2) usability is not measurable, (3) usability stifles innovation, (4) vendors are solely responsible for product usability, and (5) usability methods are not practical for use in healthcare. PMID:23874361

  7. RESTful NET

    CERN Document Server

    Flanders, Jon

    2008-01-01

    RESTful .NET is the first book that teaches Windows developers to build RESTful web services using the latest Microsoft tools. Written by Windows Communication Foundation (WFC) expert Jon Flanders, this hands-on tutorial demonstrates how you can use WCF and other components of the .NET 3.5 Framework to build, deploy and use REST-based web services in a variety of application scenarios. RESTful architecture offers a simpler approach to building web services than SOAP, SOA, and the cumbersome WS- stack. And WCF has proven to be a flexible technology for building distributed systems not necessa

  8. Fiscal 1997 survey report. Subtask 2 (hydrogen utilization worldwide clean energy system technology) (WE-NET) (survey/study for the promotion of international cooperation); 1997 nendo seika hokokusho. Suiso riyo kokusai clean energy system gijutsu (WE-NET) subtask 2 (kokusai kyoryoku suishin no tame no choa kento)

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-03-01

    The survey was aimed at developing the WE-NET as a joint project worldwide by taking concrete measures such PR activities to obtain international understanding and cooperation of WE-NET based on the survey/grasp of researches of research institutes in each country and the developmental trend of hydrogen energy in each of the main countries. Implementing a `long-term vision for the WE-NET international cooperation,` the following measures were taken in fiscal 1997. PR activities were positively developed which coped with the worldwide increasing interest in WE-NET such as delivery to overseas institutions of the fiscal 1996 survey report in English summarized by NEDO and information exchanges, and participation in international conferences and presentation of the research results. From a standpoint of positively proceeding with the international technical information exchange, the following were conducted following fiscal 1996: 1) the evaluation study jointly made with Stanford University of effects of reducing air pollution by introducing hydrogen cars, 2) survey on the U.S. hydrogen project, and 3) preparation for opening of the WE-NET internet home pages. 17 figs., 18 tabs.

  9. Comparison of growth and efficiency of dietary energy utilization by growing pigs offered feeding programs based on the metabolizable energy or the net energy system.

    Science.gov (United States)

    Acosta, J; Patience, J F; Boyd, R D

    2016-04-01

    The NE system describes the useful energy available for growth better than the ME system. The use of NE in diet formulation should maintain growth performance and carcass parameters when diets contain a diversity of ingredients. This study compared the growth performance of pigs on diets formulated using either the ME or the NE system. A total of 944 gilts and 1,110 castrates (40.8 ± 2.0 kg initial BW) were allotted to group pens and assigned to 1 of 5 different feeding programs according to a randomized complete block design. The 5 treatments included: a corn-soybean meal control diet (CTL), a corn-soybean meal diet plus corn distiller's dried grains with solubles (DDGS), formulated to be equal in ME to the CTL diet (ME-D), a corn-soybean meal diet plus corn DDGS, formulated to be equal in NE to the CTL diet (NE-D), a corn-soybean meal diet plus corn DDGS and corn germ meal, to be equal in ME to the CTL diet (ME-DC) and a corn-soybean meal diet plus corn DDGS and corn germ meal, formulated to be equal in NE to the CTL diet (NE-DC). When required, fat was added as an energy source. Pigs were harvested at an average BW of 130.3 ± 4.0 kg. Growth performance was not affected by treatment ( = 0.581, = 0. 177, and = 0.187 for ADG, ADFI, and G:F, respectively). However, carcass growth decreased with the addition of coproducts except for the NE-D treatment ( = 0.016, = 0.001, = 0.018, = 0.010, and = 0.010 for dressing percentage, HCW, carcass ADG, back fat, and loin depth, respectively). Carcass G:F and lean percentage did not differ among treatments ( = 0.109 and = 0.433, respectively). On the other hand, NE intake decreased ( = 0.035) similarly to that of carcass gain, suggesting a relationship between NE intake and energy retention. Calculations of NE per kilogram of BW gain differed among treatments ( = 0.010), but NE per kilogram of carcass was similar among treatments ( = 0.640). This suggests that NE may be better than ME at explaining the carcass results

  10. Achieving Very High Efficiency and Net Zero Energy in an Existing Home in a Hot-Humid Climate: Long-Term Utility and Monitoring Data (Revised)

    Energy Technology Data Exchange (ETDEWEB)

    Parker, D.; Sherwin, J.

    2012-10-01

    This study summarizes the first six months of detailed data collected on a single family home that experienced a series of retrofits targeting reductions in energy use. The project was designed to develop data on how envelope modifications and renewable measures can result in considerable energy reductions and potentially net zero energy for an existing home. Originally published in February 2012, this revised version of the report contains further research conducted on the Parker residence. Key updates include one full year of additional data, an analysis of cooling performance of the mini-split heat pump, an evaluation of room-to-room temperature distribution, and an evaluation of plug-in automobile charging performance, electricity consumption, and load shape.

  11. Achieving Very High Efficiency and Net Zero Energy in an Existing Home in a Hot-Humid Climate. Long-Term Utility and Monitoring Data

    Energy Technology Data Exchange (ETDEWEB)

    Parker, D. [BA-PIRC/ Florida Solar Energy Center, Cocoa, FL (United States); Sherwin, J. [BA-PIRC/ Florida Solar Energy Center, Cocoa, FL (United States)

    2012-10-01

    This study summarizes the first six months of detailed data collected on a single family home that experienced a series of retrofits targeting reductions in energy use. The project was designed to develop data on how envelope modifications and renewable measures can result in considerable energy reductions and potentially net zero energy for an existing home. Originally published in February 2012, this revised version of the report contains further research conducted on the Parker residence. Key updates include one full year of additional data, an analysis of cooling performance of the mini-split heat pump, an evaluation of room-to-room temperature distribution, and an evaluation of plug-in automobile charging performance, electricity consumption, and load shape.

  12. Net-zero Building Cluster Simulations and On-line Energy Forecasting for Adaptive and Real-Time Control and Decisions

    Science.gov (United States)

    Li, Xiwang

    Buildings consume about 41.1% of primary energy and 74% of the electricity in the U.S. Moreover, it is estimated by the National Energy Technology Laboratory that more than 1/4 of the 713 GW of U.S. electricity demand in 2010 could be dispatchable if only buildings could respond to that dispatch through advanced building energy control and operation strategies and smart grid infrastructure. In this study, it is envisioned that neighboring buildings will have the tendency to form a cluster, an open cyber-physical system to exploit the economic opportunities provided by a smart grid, distributed power generation, and storage devices. Through optimized demand management, these building clusters will then reduce overall primary energy consumption and peak time electricity consumption, and be more resilient to power disruptions. Therefore, this project seeks to develop a Net-zero building cluster simulation testbed and high fidelity energy forecasting models for adaptive and real-time control and decision making strategy development that can be used in a Net-zero building cluster. The following research activities are summarized in this thesis: 1) Development of a building cluster emulator for building cluster control and operation strategy assessment. 2) Development of a novel building energy forecasting methodology using active system identification and data fusion techniques. In this methodology, a systematic approach for building energy system characteristic evaluation, system excitation and model adaptation is included. The developed methodology is compared with other literature-reported building energy forecasting methods; 3) Development of the high fidelity on-line building cluster energy forecasting models, which includes energy forecasting models for buildings, PV panels, batteries and ice tank thermal storage systems 4) Small scale real building validation study to verify the performance of the developed building energy forecasting methodology. The outcomes of

  13. Confronting myths with science.

    Science.gov (United States)

    Barnett, B

    1994-12-01

    Family Health International (FHI) staff arranged for a workshop on contraceptive facts and fallacies within 48 hours for the 10-day meeting of the Nongovernmental Organization (NGO) Forum in Cairo, Egypt. Since policy and advocacy groups affect family planning service delivery and are often misinformed, the quality of client services is impaired. This workshop would allow NGO Forum participants to receive basic information on contraception and to correct any misinformation. FHI hoped that the workshop would stimulate dialogue among scientists, women's groups, and policymakers. Panel speakers were a deputy assistant secretary for population affairs with the US Department of Health and Human Services, an obstetrics-gynecology (OB-GYN) professor at Emory University in Atlanta, who was also a member of FHI's Board of Directors, and a native Indian, now practicing OB-GYN in the US, who was a former medical director at FHI. FHI senior vice president for reproductive health programs moderated the panel. The panel addressed the following myths: male condoms fail often and condom use increases the spread of sexually transmitted diseases (STDs), natural family planning (NFP) does not prevent pregnancy, oral contraceptives (OCs) cause cancer, spermicides increase the risk of acquiring AIDS and STDs. The panel provided the following facts: Condom breakage and slippage occurs in 0-12% of acts of intercourse. Education on proper use of condoms can reduce the likelihood of condom failure. If used correctly, NFP is 98% effective. OCs protect against ovarian and endometrial cancers. We still do not know whether or not they contribute to cervical cancer development. A study has found an association between OCs and a form of liver cancer common in developing countries (due to a high prevalence of hepatitis B infection). Spermicide use reduces the risk of bacterial STDs (e.g., gonorrhea and chlamydia), but it is not yet clear whether it affects the risk of viral STDs (e.g., HIV).

  14. Petri Nets

    Indian Academy of Sciences (India)

    Associate Professor of. Computer Science and. Automation at the Indian. Institute of Science,. Bangalore. His research interests are broadly in the areas of stochastic modeling and scheduling methodologies for future factories; and object oriented modeling. GENERAL I ARTICLE. Petri Nets. 1. Overview and Foundations.

  15. Petri Nets

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education; Volume 4; Issue 8. Petri Nets - Overview and Foundations. Y Narahari. General Article Volume 4 Issue 8 August 1999 pp ... Author Affiliations. Y Narahari1. Department ot Computer Science and Automation, Indian Institute of Science, Bangalore 560 012, India.

  16. Myths and Facts about SIDS and Safe Infant Sleep

    Science.gov (United States)

    ... Myths and Facts About SIDS and Safe Infant Sleep Page Content Myth: Babies can “catch” SIDS. Fact: ... sleep environment for your baby. Myth: Babies who sleep on their backs will choke if they spit ...

  17. Romanian Post‑Revolution Electoral Myths

    Directory of Open Access Journals (Sweden)

    Alfred Bulai

    2015-12-01

    Full Text Available The article analyzes some of the political and electoral myths of the post-communist transition, myths that have occupied the political agenda and the public debate throughout this period. Myths are seen as simple or complex narratives that have an explanatory and justificatory function in relation to social life, focused on Romanian society’s problems. They define and legitimizes a certain way to solve them and guides the development of society on the basis of some axiomatic principles. The article analyzes such myths, older or more recent, such as the myth of changing the electoral system, the myth of renewing the political class, the myth of the fundamental power of the referendum, the myth of the reform of the state, or of the constitutional amendments. The proposed analysis highlights the negative effects of using myths as instruments of the political and social changing on public policies and more generally on governance, and also the long-term harmful effects of the use of myths in defining political vision and Romania’s governmental development strategies.

  18. Common High Blood Pressure Myths

    Science.gov (United States)

    ... Artery Disease Venous Thromboembolism Aortic Aneurysm More Common High Blood Pressure Myths Updated:Dec 8,2017 Knowing the facts ... health. This content was last reviewed October 2016. High Blood Pressure • Home • Get the Facts About HBP Introduction What ...

  19. The Myth of Peer Pressure.

    Science.gov (United States)

    Ungar, Michael T.

    2000-01-01

    The construct of peer pressure was examined as part of a qualitative study of the determinants of mental health for 41 high-risk adolescents. While the concept of peer pressure enables adults to explain youths' troubling behaviors, content analysis of the participants' accounts of their lives reveals peer pressure to be a myth. (Author/MKA)

  20. Debunking the Myths about Change

    Science.gov (United States)

    Chirichello, Michael

    2008-01-01

    When principals travel down the road of change, they often find potholes of resistance, many resulting from misconceptions about the process. In this article, the author debunks five myths about change: (1) Change is always the answer; (2) The destination is more important than the journey; (3) Change depends on the principal's leadership; (4)…

  1. The myths of the Bear

    CERN Document Server

    Antonello, E

    2013-01-01

    Following previous works on ancient myths in Greek and Latin literature regarding Ursa Major, and the possible relation with the ancient shape of the constellation, we discuss further this case in the light of the evolution of Homo sapiens and the ethnographic records of populations of Eurasia and North America.

  2. FY 1998 annual summary report on International Clean Energy Network Using Hydrogen Conversion (WE-NET) system technology. Subtask 2. Examination and promotion of measures to obtain international understanding and cooperation; 1998 nendo seika hokokusho. Suiso riyo kokusai clean energy system gijutsu (WE-NET) subtask 2 (kokusai kyoryoku shuishin no tame no chosa kento)

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-03-01

    Described herein are the results of examination and promotion of measures to obtain international understanding and cooperation, and examination and development of measures to promote international exchange of technical information, conducted in the FY 1998 continuously from the previous year, with the object to realize the International Clean Energy Network Using Hydrogen Conversion (WE-NET) project. In the FY 1998, the English version of the 1997 annual summary report was distributed to a total of about 150 overseas organizations. The WE-NET project activities were presented to the 12th World Hydrogen Energy Conference, International Joint Power Generation Conference held in 1998 by American Society of Mechanical Engineers, and 2nd International Symposium on Advanced Energy Conversion Systems and Related Technologies. For the examination and development of measures to promote international exchange of technical information, the contracting party of Japan for the Hydrogen Implementation Agreement with IEA has been shifted from the government of Japan to NEDO. NEDO has been representing Japan for various workshops on the tasks. The hydrogen projects conducted by Germany and USA were also surveyed. The WE-NET project homepage was opened in June, 1998. (NEDO)

  3. Debunking the Myth of the Strategic Corporal

    Science.gov (United States)

    2015-04-13

    To) 13-04-2015 Master’ s Thesis 21-07-2014 to 12-06-2015 4. TITLE AND SUBTITLE Sa. CONTRACT NUMBER Debunking the Myth of the Strategic Corporal...anyone but themselves . A thorough analysis of a series of contemporary historical case studies debunks the myth of the strategic corporal and...demonstrates errors in policy or strategic level decisions ultimately affect the outcome of an operation and because the strategic corporal is a myth

  4. International Clean Energy System Using Hydrogen Conversion (WE-NET). subtask 3. Conceptual design of the total system; Suiso riyo kokusai clean energy system gijutsu (WE-NET). subtask 3. Zentai system gainen sekkei

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-03-01

    This paper describes the research result on the conceptual design of the total system for the WE-NET project in 1996. Basic conditions are as follows: solid polymer water electrolysis, hydrogen combustion turbine power generation, hydrogen transport/storage through ammonia medium, power generation scale of 1000-4000MW (2-5 yen/kWh), and transport distance of 5000-20000km between supply and consumption places. The system efficiency was estimated to be 68% and 23% at an ammonia arrival time and power sending end, respectively, and it was dependent on a transport distance, while no power generation scale. The power cost was estimated to be 7 yen/Mcal and 33 yen/kWh, respectively. The system efficiency at a sending end was lower by 15% and 2% than that of the liquid hydrogen and methanol system, while the power cost was higher by 0 and 8 yen/kWh, respectively. It was necessary for loss reduction of this ammonia system to develop a new high-efficiency ammonia synthesis process, and hydrogen separation (decomposition/refining) process. 80 figs., 52 tabs.

  5. International Clean Energy System Using Hydrogen Conversion (WE-NET). subtask 4. Development of hydrogen production technology; Suiso riyo kokusai clean energy system gijutsu (WE-NET). subtask 4. Suiso seizo gijutsu no kaihatsu

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-03-01

    This paper describes development of hydrogen production technology as a part of the WE-NET project. For the solid polymer water electrolysis method higher in efficiency and lower in cost than the previous methods, 5 companies have developed element technologies for improving electrolysis cells and synthesis technologies of hot solid polymer electrolyte based on each proper catalyst electrode production method. In fiscal 1996, the initial study on large-scale systems by middle laboratory cells was made as well as improvement of electrolysis performance by small laboratory cells and endurance tests. Among the previous methods such as a hot press method (bonding of an ion exchange membrane to an electrode), an electroless plating method (preparation of porous surface onto a membrane electrode assembly), a zero gap method (preparation of high-efficiency high-current density cells), and a sintered porous electrode method (carrying of the mixture of catalytic powder and ion exchange resin-dissipated solution onto sintered metallic porous electrode surface), the former two methods were adopted for development of bench-scale cells as effective promising methods. 192 refs., 183 figs., 108 tabs.

  6. Integrating net-zero energy and high-performance green building technologies into contemporary housing in a cold climate

    Science.gov (United States)

    Martin Yoklic; Mark Knaebe; Karen Martinson

    2010-01-01

    The objectives of this research project are (1) to show how the sustainable resources of forest biomass, solar energy, harvested rainwater, and small-diameter logs can be integrated to a system that provides most or all of the energy and water needs of a typical cold climate residential household, and (2) to effectively interpret the results and convey the sustainable...

  7. Construction Management--Exploding Some Myths.

    Science.gov (United States)

    Kluenker, Charles

    1986-01-01

    Construction management on educational facility projects provides boards of education with documentation showing the project is on track. Eight "myths" surrounding construction management are explained. (MLF)

  8. Le soleil devient un mythe

    Directory of Open Access Journals (Sweden)

    Ildikó Lőrinszky

    2009-01-01

    Full Text Available Partant d’une phrase énigmatique datant de 1858 et puisée dans la Correspondance de Flaubert, cet article s’interroge sur la relation entre soleil et mythe, qui constituera l’un des éléments clefs de la dimension mythologique de Salammbô. Il se propose d’examiner la façon dont cette question apparaît dans deux ouvrages représentatifs des études mythographiques : d’une part, L’Origine de tous les cultes de Charles-François Dupuis, d’autre part, Les Religions de l’Antiquité..., publié sous les noms de Frédéric Creuzer et de son adaptateur français, Joseph-Daniel Guigniault. La version française de la grande synthèse de Creuzer, assortie d’une série importante de planches, a été richement exploitée par Flaubert au cours de la genèse du roman carthaginois. Dans Salammbô, le mythe apparaît sous de multiples formes. L’analyse de ce texte peut nous amener à réfléchir sur le « bon usage » du mythe auquel chaque créateur (et chaque lecteur se trouve nécessairement confronté.Starting from an enigmatic phrase in Flaubert’s correspondence, dating from 1858, this article examines the relation between the Sun and myth, which constitutes one of the key elements of the mythological dimension of Salammbô. It especially focuses on the treatment of this question in two representative works of mythographic studies, The Origin of All Religious Worship by Charles-François Dupuis, and Les Religions de l’Antiquité..., the French adaptation of Frédéric Creuzer’s Symbolik und Mythologie der alten Völker by Joseph-Daniel Guigniault. The French version of Creuzer’s great synthesis, supplied with a remarkable set of prints, was abundantly consulted by Flaubert when writing his Carthaginian novel. In Salammbô, myth takes on various forms. Analyzing this text might lead one to reconsider “the right way” to use myths — a problem all writers (and readers find themselves confronted with.

  9. Proliferation: myth or reality?; La proliferation: mythe ou realite?

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-07-01

    This article analyzes the proliferation approach, its technical condition and political motivation, and the share between the myth (political deception, assumptions and extrapolations) and the reality of proliferation. Its appreciation is complicated by the irrational behaviour of some political actors and by the significant loss of the non-use taboo. The control of technologies is an important element for proliferation slowing down but an efficient and autonomous intelligence system remains indispensable. (J.S.)

  10. New Whole-House Solutions Case Study: EcoVillage: A Net Zero Energy Ready Community, Ithaca, New York

    Energy Technology Data Exchange (ETDEWEB)

    None

    2015-04-01

    The Consortium for Advanced Residential Buildings is working with the EcoVillage co-housing community and builder AquaZephyr in Ithaca, New York, on their third neighborhood called the Third Residential EcoVillage Experience (TREE). This community-scale project consists of 40 housing units—15 apartments, and 25 single family residences that range in size from 1,250 ft2–1,664 ft2 and cost from $80,000 to $235,000. The community is pursing DOE Zero Energy Ready Home (ZERH), US Green Building Council Leadership in Energy and Environmental Design (LEED) Gold, and ENERGY STAR certifications for the entire project.

  11. Ultimate doctor liability: a myth of ignorance or myth of control?

    Science.gov (United States)

    Cashin, Andrew; Carey, Michael; Watson, Ngaire; Clark, Greg; Newman, Claire; Waters, Cheryl D

    2009-01-01

    Ultimate medical doctor responsibility for the care delivered to patients by all professionals is a myth. Legally Lord Denning dismissed the myth in the mid-20th century in England. The assumption that a medical doctor is responsible for the care delivered by nurses has not existed in English and Australian law since that time, and it has been actively refuted. Yet it is a myth that continues to circulate influencing health service, state and federal health policy. For some it is a myth of ignorance and for others it is a means of control. This paper outlines the relevant case law to debunk the myth of ultimate medical doctor control.

  12. Re-assessment of net energy production and greenhouse gas emissions avoidance after 40 years of photovoltaics development

    Science.gov (United States)

    Louwen, Atse; van Sark, Wilfried G. J. H. M.; Faaij, André P. C.; Schropp, Ruud E. I.

    2016-12-01

    Since the 1970s, installed solar photovoltaic capacity has grown tremendously to 230 gigawatt worldwide in 2015, with a growth rate between 1975 and 2015 of 45%. This rapid growth has led to concerns regarding the energy consumption and greenhouse gas emissions of photovoltaics production. We present a review of 40 years of photovoltaics development, analysing the development of energy demand and greenhouse gas emissions associated with photovoltaics production. Here we show strong downward trends of environmental impact of photovoltaics production, following the experience curve law. For every doubling of installed photovoltaic capacity, energy use decreases by 13 and 12% and greenhouse gas footprints by 17 and 24%, for poly- and monocrystalline based photovoltaic systems, respectively. As a result, we show a break-even between the cumulative disadvantages and benefits of photovoltaics, for both energy use and greenhouse gas emissions, occurs between 1997 and 2018, depending on photovoltaic performance and model uncertainties.

  13. Annual Performance of a Two-Speed, Dedicated Dehumidification Heat Pump in the NIST Net-Zero Energy Residential Test Facility.

    Science.gov (United States)

    Payne, W Vance

    2016-01-01

    A 2715 ft2 (252 m2), two story, residential home of the style typical of the Gaithersburg, Maryland area was constructed in 2012 to demonstrate technologies for net-zero energy (NZE) homes (or ZEH). The NIST Net-Zero Energy Residential Test Facility (NZERTF) functions as a laboratory to support the development and adoption of cost-effective NZE designs, technologies, construction methods, and building codes. The primary design goal was to meet the comfort and functional needs of the simulated occupants. The first annual test period began on July 1, 2013 and ended June 30, 2014. During the first year of operation, the home's annual energy consumption was 13039 kWh (4.8 kWh ft-2, 51.7 kWh m-2), and the 10.2 kW solar photovoltaic system generated an excess of 484 kWh. During this period the heating and air conditioning of the home was performed by a novel air-source heat pump that utilized a reheat heat exchanger to allow hot compressor discharge gas to reheat the supply air during a dedicated dehumidification mode. During dedicated dehumidification, room temperature air was supplied to the living space until the relative humidity setpoint of 50% was satisfied. The heat pump consumed a total of 6225 kWh (2.3 kWh ft-2, 24.7 kWh m-2) of electrical energy for cooling, heating, and dehumidification. Annual cooling efficiency was 10.1 Btu W-1h-1 (2.95 W W-1), relative to the rated SEER of the heat pump of 15.8 Btu W-1h-1 (4.63 W W-1). Annual heating efficiency was 7.10 Btu W-1h-1 (2.09 W W-1), compared with the unit's rated HSPF of 9.05 Btu W-1h-1 (2.65 W W-1). These field measured efficiency numbers include dedicated dehumidification operation and standby energy use for the year. Annual sensible heat ratio was approximately 70%. Standby energy consumption was 5.2 % and 3.5 % of the total electrical energy used for cooling and heating, respectively.

  14. On the necessity of improving the environmental impacts of furniture and appliances in net-zero energy buildings.

    Science.gov (United States)

    Hoxha, Endrit; Jusselme, Thomas

    2017-10-15

    There is now clear evidence regarding the extensive use of furniture and appliances in daily human life, but there is less evidence of their impact on the environment. Responding to this gap in knowledge, this study focuses on an assessment of the environmental impacts of furniture and appliances as used in highly energy efficient buildings. Their primary energy, non-renewable energy and global warming potential indicators have been assessed by extending the boundaries of the Life Cycle Assessment (LCA) study beyond the building itself. In conclusion, we found that furniture and appliances were responsible for around 30% of greenhouse gas emissions and non-renewable energy consumption and 15% of primary energy consumption comparing to the overall impacts of the building. Since embodied impacts represent the largest values, the process for labelling the appliances' energy efficiency should encompass a life-cycle point of view, not just a usage point of view as the case currently. Among office appliances, computer equipment was ranked as the highest impacting element, especially laptops and monitors. As for domestic appliances, refrigerators and electric ovens had the biggest impacts. Concerning furniture, the greatest impacts were from office and kitchen cabinets. Copyright © 2017 Elsevier B.V. All rights reserved.

  15. KM3NeT

    CERN Multimedia

    KM3NeT is a large scale next-generation neutrino telescope located in the deep waters of the Mediterranean Sea, optimized for the discovery of galactic neutrino sources emitting in the TeV energy region.

  16. Food intolerance- facts and myths

    OpenAIRE

    Ptáčková, Zuzana

    2017-01-01

    This bachelor's thesis focuses on the facts and myths about two kinds of food intolerance: celiac disease and lactose intolerance. The thesis consists of a practical and a theoretical part. The theoretical part is further divided into three sections. The first one focuses on celiac disease and describes gluten, epidemiology, etiology, pathogenesis, symptoms of the disease, diagnostics, dietary solutions, celiac disease screening, other similar diseases and also a comparison of allergy to glut...

  17. Confronting Myths about Teacher Leadership

    OpenAIRE

    Sinha, Somnath; Hanuscin, Deborah; Rebello, Carina; Muslu, Nilay; Cheng, Ya-Wen

    2012-01-01

      Leadership in Freshman Physics is an NSF-funded professional development program designed to support 9th grade teacher leaders in the successful implementation of a ‘Physics First’ or curriculum sequence that places physics prior to biology and chemistry. Leadership is viewed as an essential component in the initial success and long-term sustainability of such reforms. This article is an account of myths about teacher leadership held by participants and the ways...

  18. Faith healers, myths and deaths.

    Science.gov (United States)

    Wasti, Harihar; Kanchan, Tanuj; Acharya, Jenash

    2015-09-01

    Science and myth have been closely linked and argued upon by philosophers, educationalists, scientists, enthusiasts and the general public. Faith healing, when added as an adjuvant or alternative aid to medical science, will not necessarily be confined to mere arguments and debates but may also give rise to series of complications, medical emergencies and even result in death. We present an unusual case where reliance on faith healing led to the death of a young man. © The Author(s) 2015.

  19. Using Net-Zero Energy Projects to Enable Sustainable Economic Redevelopment at the Former Brunswick Air Naval Base

    Energy Technology Data Exchange (ETDEWEB)

    Huffman, S.

    2011-10-01

    A Study Prepared in Partnership with the Environmental Protection Agency for the RE-Powering America's Land Initiative: Siting Renewable Energy on Potentially Contaminated Land and Mine Sites. The Brunswick Naval Air Station is a naval air facility and Environmental Protection Agency (EPA) Super Fund site that is being cleaned up, and closed down. The objective of this report is not only to look at the economics of individual renewable energy technologies, but also to look at the systemic benefits that can be gained when cost-effective renewable energy technologies are integrated with other systems and businesses in a community; thus multiplying the total monetary, employment, and quality-of-life benefits they can provide to a community.

  20. Re-assessment of net energy production and greenhouse gas emissions avoidance after 40 years of photovoltaics development

    NARCIS (Netherlands)

    Louwen, Atse|info:eu-repo/dai/nl/375268456; Van Sark, Wilfried G J H M|info:eu-repo/dai/nl/074628526; Faaij, André P C; Schropp, Ruud E I|info:eu-repo/dai/nl/072502584

    2016-01-01

    Since the 1970s, installed solar photovoltaic capacity has grown tremendously to 230 gigawatt worldwide in 2015, with a growth rate between 1975 and 2015 of 45%. This rapid growth has led to concerns regarding the energy consumption and greenhouse gas emissions of photovoltaics production. We

  1. Developments in greenhouse gas emissions and net energy use in Danish agriculture - How to achieve substantial CO2 reduction?

    DEFF Research Database (Denmark)

    Dalgaard, Tommy; Olesen, Jørgen E; Petersen, Søren O

    2011-01-01

    emissions in the form of methane, nitrous oxide and carbon dioxide (including carbon sources and sinks, and the impact of energy consumption/bioenergy production) from Danish agriculture in the years 1990–2010. An analysis of possible measures to reduce the GHG emissions indicated that a 50–70% reduction...

  2. Detection potential of the KM3NeT detector for high-energy neutrinos from the Fermi bubbles

    NARCIS (Netherlands)

    Adrián-Martínez, S.; et al., [Unknown; Decowski, P.; Kooijman, P.; Lim, G.; Palioselitis, D.; Presani, E.; de Wolf, E.

    2013-01-01

    A recent analysis of the Fermi Large Area Telescope data provided evidence for a high-intensity emission of high-energy gamma rays with a E−2 spectrum from two large areas, spanning 50° above and below the Galactic centre (the "Fermi bubbles"). A hadronic mechanism was proposed for this gamma-ray

  3. Detection Potential of the KM3NeT Detector for High-Energy Neutrinos from the Fermi Bubbles

    NARCIS (Netherlands)

    Adrian-Martinez, S.; Ageron, M.; Kooijman, P.; Zuniga, J.

    2013-01-01

    A recent analysis of the Fermi Large Area Telescope data provided evidence for a high-intensity emission of high-energy gamma rays with a E 2 spectrum from two large areas, spanning 50 above and below the Galactic centre (the ‘‘Fermi bubbles’’). A hadronic mechanism was proposed for this gamma-ray

  4. Detection potential of the KM3NeT detector for high-energy neutrinos from the Fermi bubbles

    NARCIS (Netherlands)

    Adrian-Martinez, S.; Ageron, M.; Aguilar, J. A.; Aharonian, F.; Aiello, S.; Albert, A.; Alexandri, M.; Ameli, F.; Anassontzis, E. G.; Anghinolfi, M.; Anton, G.; Anvar, S.; Ardid, M.; Jesus, A. Assis; Aubert, J-J; Bakke, R.; Ball, A. E.; Barbarino, G.; Barbarito, E.; Barbato, F.; Baret, B.; de Bel, M.; Belias, A.; Bellou, N.; Berbee, E.; Berkien, A.; Bersani, A.; Bertin, V.; Beurthey, S.; Biagi, S.; Bigongiari, C.; Bigourdan, B.; Billault, M.; Rookhuizen, H. Boer; Bonori, M.; Borghini, M.; Bou-Cabo, H. M.; Bouhadef, B.; Bourlis, G.; Bouwhuis, M.; Bradbury, S.; Brown, A.; Bruni, F.; Brunner, J.; Brunoldi, M.; Busto, J.; Cacopardo, G.; Caillat, L.; Diaz-Aldagalan, D. Calvo; Calzas, A.; Canals, M.; Capone, A.; Carr, J.; Castorina, E.; Cecchini, S.; Ceres, A.; Cereseto, R.; Chaleil, Th.; Chateau, F.; Chiarusi, T.; Choqueuse, D.; Christopoulou, P. E.; Chronis, G.; Ciaffoni, O.; Circella, M.; Cocimano, R.; Cohen, F.; Colijn, F.; Coniglione, R.; Cordelli, M.; Cosquer, A.; Costa, M.; Coyle, P.; Craig, J.; Creusot, A.; Curtil, C.; D'Amico, A.; Damy, G.; De Asmundis, R.; De Bonis, G.; Decock, G.; Decowski, P.; Delagnes, E.; De Rosa, G.; Distefano, C.; Donzaud, C.; Dornic, D.; Dorosti-Hasankiadeh, Q.; Drogou, J.; Drouhin, D.; Druillole, F.; Drury, L.; Durand, D.; Durand, G. A.; Eberl, T.; Emanuele, U.; Enzenhoefer, A.; Ernenwein, J-P; Escoffier, S.; Espinosa, V.; Etiope, G.; Favali, P.; Felea, D.; Ferri, M.; Ferry, S.; Flaminio, V.; Folger, F.; Fotiou, A.; Fritsch, U.; Gajanana, D.; Garaguso, R.; Gasparini, G. P.; Gasparoni, F.; Gautard, V.; Gensolen, F.; Geyer, K.; Giacomelli, G.; Gialas, I.; Giordano, V.; Giraud, J.; Gizani, N.; Gleixner, A.; Gojak, C.; Gomez-Gonzalez, J. P.; Graf, K.; Grasso, D.; Grimaldi, A.; Groenewegen, R.; Guede, Z.; Guillard, G.; Guilloux, F.; Habel, R.; Hallewell, G.; van Haren, H.; van Heerwaarden, J.; Heijboer, A.; Heine, E.; Hernandez-Rey, J. J.; Herold, B.; Hillebrand, T.; van de Hoek, M.; Hogenbirk, J.; Hoessl, J.; Hsu, C. C.; Imbesi, M.; Jamieson, A.; Jansweijer, P.; de Jong, M.; Jouvenot, F.; Kadler, M.; Kalantar-Nayestanaki, N.; Kalekin, O.; Kappes, A.; Karolak, M.; Katz, U. F.; Kavatsyuk, O.; Keller, P.; Kiskiras, Y.; Klein, Remko; Kok, H.; Kontoyiannis, H.; Kooijman, P.; Koopstra, J.; Kopper, C.; Korporaal, A.; Koske, P.; Kouchner, A.; Koutsoukos, S.; Kreykenbohm, I.; Kulikovskiy, V.; Laan, M.; La Fratta, C.; Lagier, P.; Lahmann, R.; Lamare, P.; Larosa, G.; Lattuada, D.; Leisos, A.; Lenis, D.; Leonora, E.; Le Provost, H.; Lim, G.; Llorens, C. D.; Lloret, J.; Loehner, H.; Lo Presti, D.; Lotrus, P.; Louis, F.; Lucarelli, F.; Lykousis, V.; Malyshev, D.; Mangano, S.; Marcoulaki, E. C.; Margiotta, A.; Marinaro, G.; Marinelli, A.; Maris, O.; Markopoulos, E.; Markou, C.; Martinez-Mora, J. A.; Martini, A.; Marvaldi, J.; Masullo, R.; Maurin, G.; Migliozzi, P.; Migneco, E.; Minutoli, S.; Miraglia, A.; Mollo, C. M.; Mongelli, M.; Monmarthe, E.; Morganti, M.; Mos, S.; Motz, H.; Moudden, Y.; Mul, G.; Musico, P.; Musumeci, M.; Naumann, Ch; Neff, M.; Nicolaou, C.; Orlando, A.; Palioselitis, D.; Papageorgiou, K.; Papaikonomou, A.; Papaleo, R.; Papazoglou, I. A.; Pavalas, G. E.; Peek, H. Z.; Perkin, J.; Piattelli, P.; Popa, V.; Pradier, T.; Presani, E.; Priede, I. G.; Psallidas, A.; Rabouille, C.; Racca, C.; Radu, A.; Randazzo, N.; Rapidis, P. A.; Razis, P.; Real, D.; Reed, C.; Reito, S.; Resvanis, L. K.; Riccobene, G.; Richter, R.; Roensch, K.; Rolin, J.; Rose, J.; Roux, J.; Rovelli, A.; Russo, A.; Russo, G. V.; Salesa, F.; Samtleben, D.; Sapienza, P.; Schmelling, J-W; Schmid, J.; Schnabel, J.; Schroeder, K.; Schuller, J-P; Schussler, F.; Sciliberto, D.; Sedita, M.; Seitz, T.; Shanidze, R.; Simeone, F.; Siotis, I.; Sipala, V.; Sollima, C.; Sparnocchia, S.; Spies, A.; Spurio, M.; Staller, T.; Stavrakakis, S.; Stavropoulos, G.; Steijger, J.; Stolarczyk, Th.; Stransky, D.; Taiuti, M.; Taylor, A.; Thompson, L.; Timmer, P.; Tonoiu, D.; Toscano, S.; Touramanis, C.; Trasatti, L.; Traverso, P.; Trovato, A.; Tsirigotis, A.; Tzamarias, S.; Tzamariudaki, E.; Urbano, F.; Vallage, B.; Van Elewyck, V.; Vannoni, G.; Vecchi, M.; Vernin, P.; Viola, S.; Vivolo, D.; Wagner, S.; Werneke, P.; White, R. J.; Wijnker, G.; Wilms, J.; de Wolf, E.; Yepes, H.; Zhukov, V.; Zonca, E.; Zornoza, J. D.; Zuniga, J.; de Boer, R.A.

    A recent analysis of the Fermi Large Area Telescope data provided evidence for a high-intensity emission of high-energy gamma rays with a E-2 spectrum from two large areas, spanning 50 above and below the Galactic centre (the "Fermi bubbles"). A hadronic mechanism was proposed for this gamma-ray

  5. The Creation of Inequality: Myths of Potential and Ability

    Science.gov (United States)

    Dorling, Danny; Tomlinson, Sally

    2016-01-01

    The old myth about the ability and variability of potential in children is a comforting myth, for those who are uneasy with the degree of inequality they see and would rather seek to justify it than confront it. The myth of inherent potential helps some explain to themselves why they are privileged. Extend the myth to believe in inherited ability…

  6. Revisiting the Common Myths about Homeschooling

    Science.gov (United States)

    Romanowski, Michael H.

    2006-01-01

    The author examines four common myths that still influence individuals regarding their perspective and understanding of the role homeschooling plays in the education of American children. Myth 1 is that homeschooling produces social misfits, stemming from the belief that homeschooled students lack the socialization skills necessary for normal…

  7. Myth and Other Norms in World Society

    DEFF Research Database (Denmark)

    Petersen, Hanne

    2017-01-01

    This article uses the Thule Case at the Danish Supreme Court as an example of normativity in world society. Here norms, which may turn out to be important in world society could be myths of several kinds such as 'narrative normativity'. One myth may be that of (exclusive) sovereignty...

  8. MYTHS--LITERATURE CURRICULUM I, STUDENT VERSION.

    Science.gov (United States)

    KITZHABER, ALBERT

    PRESENTED HERE WAS A STUDY GUIDE FOR STUDENT USE IN A SEVENTH-GRADE LITERATURE CURRICULUM. INTRODUCTORY MATERIAL WAS PRESENTED ON GREEK MYTHS, NORSE MYTHOLOGY, AND AMERICAN INDIAN MYTHOLOGY. STUDY QUESTIONS, SUGGESTED ACTIVITIES, AND A REFERENCE BOOK OF MYTHS WERE PRESENTED. AN ACCOMPANYING GUIDE WAS PREPARED FOR TEACHERS (ED 010 140). (WN)

  9. Dangerous Myths about "Gifted" Mathematics Students

    Science.gov (United States)

    Sheffield, Linda Jensen

    2017-01-01

    A number of myths about mathematically gifted students, mathematics itself, and programs designed to serve these students tend to inhibit educators, parents and students themselves from developing students' mathematical creativity, expertise and enjoyment. This paper discusses some of the myths that can discourage students' mathematical…

  10. The Meaning Behind Popular Myths About Suicide.

    Science.gov (United States)

    Neuringer, Charles

    1988-01-01

    Examines several common human-serving fallacies about suicide as to their validity and discusses these myths in terms of how they operate to reduce anxiety about quality of life and death. Asserts need to dispel myths and seek truths in order to understand and prevent suicide. (Author/NB)

  11. Fifteen Prevalent Myths Concerning Adolescent Suicide.

    Science.gov (United States)

    King, Keith A.

    1999-01-01

    Examines 15 common myths about adolescent suicide, presenting the actual facts corresponding to each. The myths relate to such issues as prevalence, warning signs, education about suicide, differences between males and females, common methods of adolescent suicide, mental illness and suicide, suicide prevention, genetic factors, poverty and…

  12. Pre-Columbian Mayan Myths. Project Mexico.

    Science.gov (United States)

    Callanan, Margaret

    This document outlines a course unit on Pre-Columbian Mayan Myths intended to be part of a semester-long survey course on world mythology. The intended unit length of three weeks for three hours per week allows time for consideration of a brief geographical, historical, and cosmological background against which to place Mayan myths, study of the…

  13. Five feminist myths about women's employment.

    Science.gov (United States)

    Hakim, C

    1995-09-01

    Feminist sociology has contributed substantial revisions to theory, especially in the sociology of work and employment. But it is also creating new feminist myths to replace the old patriarchal myths about women's attitudes and behaviour. Five feminist myths about women's employment are discussed whose acceptance as fact is not damaged by being demonstrably untrue. Arguably the most pervasive is the myth of rising female employment. The myth that women's work commitment is the same as that of men is often adduced to resist labour market discrimination. The myth of childcare problems as the main barrier to women's employment is commonplace in advocacy research reports. The myth of poor quality part-time jobs is used to blame employers for the characteristic behaviour of part-time workers, including high labour turnover. The issue of the sex differential in labour turnover and employment stability illustrates clearly how feminist orthodoxy has replaced dispassionate sociological research in certain topics. The concluding section considers the implications of such feminist myths for an academic community that claims to be in the truth business and for theories on the sexual division of labour.

  14. At the foot of Mount Olympus: A theory on myth

    Directory of Open Access Journals (Sweden)

    Flip Schutte

    2006-09-01

    Full Text Available A cult normally develops around myths and rituals. In this article myth as phenomenon will be investigated. Different types and categories of myths will be listed, while research done in the past on myths will also be dealt with. Furthermore, the issue of ritual accompanying the myth will be briefly discussed. This article wants to promote the notion that one does not need any particular worldview, be it mythological, orthodox, fundamentalistic, or biblisistic, to use, understand, and appreciate myths. Even in a postmodern world the value of myths can be appreciated.

  15. The personal myth: a re-evaluation.

    Science.gov (United States)

    Sirois, François

    2014-04-01

    This paper presents a re-evaluation of Kris's personal myth. The notion has been used rather sparingly despite the Delphi Symposium in 1984 on the question of its clinical usefulness. After framing the notion of myth, some difficulties related to the question are identified. A clinical vignette exemplifies some of the ambiguities in its definition but stresses its clinical relevance. A discussion expands on these situations so as to propose three various aspects of personal myths to account for the two variants identified by Kris. The actualization of the underlying fantasy in the character organization is a third form and the technical aspect associated with it is reviewed from a new perspective. The family romance is revisited to reassess its role as the basis of the personal myth in the face of studies favouring an earlier development of the myth. Copyright © 2014 Institute of Psychoanalysis.

  16. Tityus: a forgotten myth of liver regeneration.

    Science.gov (United States)

    Tiniakos, Dina G; Kandilis, Apostolos; Geller, Stephen A

    2010-08-01

    The ancient Greek myth of Tityus is related to liver regeneration in the same way as the well known myth of Prometheus is. Depictions of the punishment of Prometheus are frequently used by lecturers on liver regeneration; however, Tityus remains unknown despite the fact that he received the same punishment and his myth could also be used as a paradigm for the organ's extraordinary ability to regenerate. Nevertheless, there is no convincing evidence that ancient Greeks had any specific knowledge about liver regeneration, a concept introduced in the early 19th century. We describe and analyze the myth of Tityus and compare it to the myth of Prometheus. We also explore artistic and literary links and summarize recent scientific data on the mechanisms of liver regeneration. Finally, we highlight links of the legend of Tityus with other sciences. Copyright 2010 European Association for the Study of the Liver. Published by Elsevier B.V. All rights reserved.

  17. Determination of the net energy content of canola meal from Brassica napus yellow and Brassica juncea yellow fed to growing pigs using indirect calorimetry.

    Science.gov (United States)

    Heo, Jung Min; Adewole, Deborah; Nyachoti, Martin

    2014-07-01

    The net energy (NE) content of canola meals (CM; i.e. Brassica napus yellow and Brassica juncea yellow) in growing pigs was determined using an indirect calorimetry chamber or published prediction equations. The study was conducted as a completely randomized design (n=6), with (i) a basal diet and (ii) 2 diets containing 700 g/kg of the basal diet and 300 g/kg of either of the two varieties of CM. A total of 18 growing barrows were housed in metabolism crates for the determination of digestible (DE) and metabolizable (ME) energy. Thereafter, pigs were transferred to the indirect calorimetry chamber to determine heat production (HP). The NE contents of diets containing Brassica napus yellow and Brassica juncea yellow determined with the direct determination technique and prediction equations were 9.8 versus 10.3 MJ/kg dry matter (DM) and 10.2 versus 10.4 MJ/kg DM, respectively. Retained energy (RE) and fasting heat production (FHP) of diets containing Brassica napus yellow and Brassica juncea yellow were 5.5 versus 5.7 MJ/kg and 4.3 versus 4.5 MJ/kg, respectively, when measured with the direct determination technique and prediction equations. The NE contents of Brassica napus yellow and Brassica juncea yellow were determined to be 8.8 and 9.8 MJ/kg DM, respectively, using the direct determination technique. © 2014 Japanese Society of Animal Science.

  18. On the impact of D2D traffic offloading on energy efficiency in green LTE-A HetNets

    KAUST Repository

    Yaacoub, Elias E.

    2014-08-11

    In this paper, the interplay between cooperative device-to-device (D2D) communications and green cellular communications in the long term evolution (LTE) and LTE-advanced (LTE-A) cellular systems is investigated. An efficient approach for grouping mobile terminals (MTs) into cooperative clusters is described. In each cluster, MTs cooperate via D2D communications to share content of common interest. In addition, an energy-efficient approach for putting base stations in sleep mode in an LTE-A heterogeneous network is presented. Finally, both methods are combined in order to ensure green communications for both the users\\' MTs and the operator\\'s base stations. The presented techniques are investigated in the framework of orthogonal frequency division multiple access-based state-of-the-art LTE cellular networks, while taking resource allocation and intercell interference into account. Results show that the proposed approach leads to energy savings for both the operator and the MTs, while leading to enhanced quality of service for mobile users. Copyright © 2014 John Wiley & Sons, Ltd.

  19. The net charge at interfaces between insulators

    Science.gov (United States)

    Bristowe, N. C.; Littlewood, P. B.; Artacho, Emilio

    2011-03-01

    The issue of the net charge at insulating oxide interfaces is briefly reviewed with the ambition of dispelling myths of such charges being affected by covalency and related charge density effects. For electrostatic analysis purposes, the net charge at such interfaces is defined by the counting of discrete electrons and core ion charges, and by the definition of the reference polarization of the separate, unperturbed bulk materials. The arguments are illustrated for the case of a thin film of LaAlO3 over SrTiO3 in the absence of free carriers, for which the net charge is exactly 0.5e per interface formula unit, if the polarization response in both materials is referred to zero bulk values. Further consequences of the argument are extracted for structural and chemical alterations of such interfaces, in which internal rearrangements are distinguished from extrinsic alterations (changes of stoichiometry, redox processes), only the latter affecting the interfacial net charge. The arguments are reviewed alongside the proposal of Stengel and Vanderbilt (2009 Phys. Rev. B 80 241103) of using formal polarization values instead of net interfacial charges, based on the interface theorem of Vanderbilt and King-Smith (1993 Phys. Rev. B 48 4442-55). Implications for non-centrosymmetric materials are discussed, as well as for interfaces for which the charge mismatch is an integer number of polarization quanta.

  20. The net charge at interfaces between insulators

    Energy Technology Data Exchange (ETDEWEB)

    Bristowe, N C; Littlewood, P B [Theory of Condensed Matter Group, Cavendish Laboratory, University of Cambridge, J J Thomson Avenue, Cambridge CB3 0HE (United Kingdom); Artacho, Emilio, E-mail: ncb30@cam.ac.uk [Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge CB2 3EQ (United Kingdom)

    2011-03-02

    The issue of the net charge at insulating oxide interfaces is briefly reviewed with the ambition of dispelling myths of such charges being affected by covalency and related charge density effects. For electrostatic analysis purposes, the net charge at such interfaces is defined by the counting of discrete electrons and core ion charges, and by the definition of the reference polarization of the separate, unperturbed bulk materials. The arguments are illustrated for the case of a thin film of LaAlO{sub 3} over SrTiO{sub 3} in the absence of free carriers, for which the net charge is exactly 0.5e per interface formula unit, if the polarization response in both materials is referred to zero bulk values. Further consequences of the argument are extracted for structural and chemical alterations of such interfaces, in which internal rearrangements are distinguished from extrinsic alterations (changes of stoichiometry, redox processes), only the latter affecting the interfacial net charge. The arguments are reviewed alongside the proposal of Stengel and Vanderbilt (2009 Phys. Rev. B 80 241103) of using formal polarization values instead of net interfacial charges, based on the interface theorem of Vanderbilt and King-Smith (1993 Phys. Rev. B 48 4442-55). Implications for non-centrosymmetric materials are discussed, as well as for interfaces for which the charge mismatch is an integer number of polarization quanta. (viewpoint)

  1. The stony way to renewable energy

    DEFF Research Database (Denmark)

    Czeskleba-Dupont, Rolf

    of the development of knowledge on the transition from fossil fuels to renewable and sustainable energy and thus on how to curb climate impacts from energy supply. (b) When following the myth of wholesale carbon neutrality, planning subjects may be set out of control (or hindered in establishing it) over...... was conditioned by the expansion of fossil fuel use (RCD 2009a). When wood use is grossly expanded in order to (re-)substitute wood for fossil energy, this can, therefore, become a threat against forests. And: it threatens climate policies, because the lower energy-efficiency of biomass(RCD2009b) creates a net...... carbon in the same amount as has been bound in it from atmospheric CO22, can be applied to fossil fuels, too. The aim of defining CO2-neutral burning of biomass is, however, to make a demarcation against fossil fuels.3 Hence, the metaphysical definition of CO2-neutrality is counterproductive in regard...

  2. Net energy of hemp hulls and processed hemp hull products fed to growing pigs and the comparison of net energy determined via indirect calorimetry and calculated from prediction equations.

    Science.gov (United States)

    Kim, J W; Nyachoti, C M

    2017-06-01

    An experiment was conducted to determine the NE of hemp hulls (HH), extruded HH (EHH), and a blended product of HH with pea (HHP) fed to growing pigs using indirect calorimetry (IC) and to determine effects of dietary fiber on heat production (HP) and fasting HP (FHP). Twenty-four growing barrows with an average initial BW of 22.9 ± 1.75 kg were individually housed in adjustable metabolism crates. Pigs were randomly allotted to 1 of 4 dietary treatments with 6 replicates per treatment. A corn-soybean meal basal diet was prepared. Three additional diets were formulated to contain a constant ratio of corn and soybean meal and each of the test ingredients. Pigs were fed experimental diets for 16 d including 10 d for adaptation and 6 d for total collection of feces and urine to determine DE and ME of experimental diets. Pigs were then moved into IC chambers to determine HP and FHP. The apparent total tract digestibility (ATTD) of DM was greater ( < 0.01) in the HHP diet than in the HH and EHH diets but less ( < 0.01) than in the basal diet. Similarly, the ATTD of GE in the basal diet was greater ( < 0.01) compared with the HH, EHH, and HHP diets. The DE, ME, and NE of the basal diet were greater ( < 0.01) than those of the HH, EHH, and HHP diets. No significant differences were observed for the HP (on average, 1,904 kcal/kg DM) and FHP (on average, 1,320 kcal/kg DM) among treatments. However, the retained energy of pigs fed the basal diet (1,763 kcal/kg DM) was greater ( < 0.05) than for those fed the HH (1,501 kcal/kg DM) and HHP (1,482 kcal/kg DM) diets. The NE:ME ratio tended to be greater ( ≤ 0.10) for the basal diet (0.85) than for the HH (0.82), EHH (0.82), and HHP (0.83) diets. The NE of HH, EHH, and HHP determined by the IC method were 2,375, 2,320, and 2,399 kcal/kg DM, respectively, whereas values calculated using published prediction equations were 2,308, 2,161, and 2,278 kcal/kg DM, respectively. However there was no difference between determined and

  3. Myths about nutrition in pregnancy.

    Science.gov (United States)

    Guggino, Alice; Barbero, Sara; Ponzo, Valentina; Viora, Elsa; Durazzo, Marilena; Bo, Simona

    2016-10-01

    Many women have incorrect knowledge about nutrition in pregnancy owing to false beliefs derived from popular practices. More than 90% of our cohort of pregnant women during early pregnancy (myths about nutrition in pregnancy. Education was inversely associated with the percentage of incorrect answers, and the lowest percentage of any mistakes was found in the small number of women who received nutritional information by a dietician. In conclusion, the usual sources of information about nutrition in pregnancy are not adequate to overcome the false beliefs acquired by traditions.

  4. Achievement report for fiscal 2000 on the phase II research and development for the hydrogen utilizing international clean energy system technology (WE-NET). Task 1. Investigations and researched on system assessment; 2000 nendo suiso riyo kokusai clean energy system gijutsu (WE-NET) dai 2 ki kenkyu kaihatsu. Task 1. System hyoka ni kansuru chosa kenkyu

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-03-01

    This paper describes the achievements in fiscal 2000 from the WE-NET Phase II for Task-1. Technologies drawing attentions relate to fuel cell driven automobiles and hybrid automobiles in the field of utilizing hydrogen derived from reproducible energies and fossil energies, and fuel cell co-generation and micro gas turbine co-generation in the field of electric power generation. Hydrogen reformed from gasoline on board the automobile as the fuel for fuel cell driven automobiles, hydrogen as a by-product of coke furnace off-gas (COG), and reproducible energy hydrogen have the same fuel consumption performance as in the hybrid automobiles. Particularly the COG is low in cost, and has large supply potential. Liquefied hydrogen is as promising as compressed hydrogen in view of the cost for automotive hydrogen supply stations. What has high economic performance as the self-sustaining systems for islands are photovoltaic and wind power generation, and the system using hydrogen as the secondary energy. Since much of the reproducible energies is used for electric power demand in Japan, the by-product hydrogen and the reformed hydrogen in an amount of 9.3 billion Nm{sup 3}/year would take care of majority of the demand in view of the short time period. For a longer time span, hydrogen originated from the reproduced energies in the Pan-Pacific Region should be introduced. (NEDO)

  5. Polyacetylene: Myth and Reality.

    Science.gov (United States)

    Hudson, Bruce S

    2018-02-06

    Polyacetylene, the simplest and oldest of potentially conducting polymers, has never been made in a form that permits rigorous determination of its structure. Trans polyacetylene in its fully extended form will have a potential energy surface with two equivalent minima. It has been assumed that this results in bond length alternation. It is, rather, very likely that the zero-point energy is above the Peierls barrier. The experimental studies that purport to show bond alternation are reviewed and shown to be compromised by serious experimental inconsistencies or by the presence, for which there is considerable evidence, of finite chain polyenes. In this view, addition of dopants results in conductivity by facilitation of charge transport between finite polyenes. The double minimum potential that necessarily occurs for polyacetylene, if viewed as the result of elongation of finite chains, originates from admixture of the 1¹A g ground electronic state with the 2¹A g excited electronic singlet state. This excitation is diradical (two electron) in character. The polyacetylene limit is an equal admixture of these two ¹A g states making theory intractable for long chains. A method is outlined for preparation of high molecular weight polyacetylene with fully extended chains that are prevented from reacting with neighboring chains.

  6. Weight-Loss and Nutrition Myths

    Science.gov (United States)

    ... D—cereals or soy-based beverages Myth: “Going vegetarian” will help you lose weight and be healthier. Some research shows that a healthy vegetarian eating plan may be linked to lower obesity ...

  7. Myth from a Psychological Point of View

    Directory of Open Access Journals (Sweden)

    Mozhgan Yahyazade

    2013-06-01

    Full Text Available One of the most mysterious phenomena in the world that engage the human's curious mind for long time is to discover the unknown world of myth. Believes and costumes of every nation is like a very strong and big tree. That has rooted in myth and their result has appeared in art and literature; and now we can understand the importance of myth. In this study we have tried to consider myth and theory's about collective subcontinent and dream and to make clear relationship be literature's notion with psychology and its branches and whatever that analysis in this interfiled research is cases that show the importance of relation between different fields that with more and penalized investigation we can find new information that maybe with more consideration and more attention to relation of these sciences; we can discover the hidden and unknown aspect of human's life and his behaviors.

  8. Isaac Newton: Man, Myth, and Mathematics.

    Science.gov (United States)

    Rickey, V. Frederick

    1987-01-01

    This article was written in part to celebrate the anniversaries of landmark mathematical works by Newton and Descartes. It's other purpose is to dispel some myths about Sir Isaac Newton and to encourage readers to read Newton's works. (PK)

  9. Competence in Management Development: Challenging the Myths.

    Science.gov (United States)

    Jubb, Richard; Robotham, David

    1997-01-01

    Counters the following myths: competence has been defined; managerial effectiveness can be identified; management is generic; effectiveness can be measured; management is composed of skills, behaviors, or traits; and only maximum performance counts. (SK)

  10. The Myth of the Black Matriarchy.

    Science.gov (United States)

    Staples, Robert

    1981-01-01

    Reprint of a 1970 article that describes the oppression of Blacks and the distortion of Black family life throughout United States history. Holds that the myth of Black matriarchy sets back the struggle for Black liberation. (GC)

  11. Myths, presumptions, and facts about obesity

    DEFF Research Database (Denmark)

    Casazza, Krista; Fontaine, Kevin R; Astrup, Arne

    2013-01-01

    Many beliefs about obesity persist in the absence of supporting scientific evidence (presumptions); some persist despite contradicting evidence (myths). The promulgation of unsupported beliefs may yield poorly informed policy decisions, inaccurate clinical and public health recommendations...

  12. BADUY PLURALISM: FROM MYTH TO REALITY

    Directory of Open Access Journals (Sweden)

    Abdurrahman Misno Bambang Prawiro

    2013-06-01

    Full Text Available Indonesia is a land of many tribes, with each tribe having different customs. However they have a bond in the form of the state motto, Bhineka Tunggal Ika. This motto is based on a philosophy embraced by every tribe in the form of the teachings passed down from the ancestors such as pantun (Malay poetic form, rhyme, guguritan (Sundanese literary works, history and myths. Myths here are stories about things that happened in the past in the form of the history of the origins of man and nature, or the origin of a nation. Myths as a local wisdom are believed to be the truth by every member of the tribe applied in everyday life. This includes the myth that tells about human cultural diversity (plurality, and the community will implement its content. What about the Baduy community in Banten, do they have myths and apply the myths that deal with pluralism in their life? The Baduy are one of the ethnic groups in Indonesia who have myths about the creation of the universe, human origins, and even myths about the events that will occur. The myth about the origin of humans in the Baduy community begins with the creation of Adam as the first human, and then he had children that gave birth to the whole nation in the world. Because every human in the world is the great-grandsons of Adam, the Baduy believe that all humanity is dulur (brother despite differences in customs and religion. The reality of social life of the Baduy community, either Baduy Dalam (inner baduy or Baduy Luar (outer baduy is that they greatly respect all mankind despite the different cultures and religions. Prohibition to enter the Baduy traditional village for foreigners is because of historical factors, namely the agreement made by their ancestors with the Dutch. This research concluded that the Baduy society is a society that understands the plurality of cultures; it is based on a myth that they believe and apply in their life about tolerance of other religions. Key Word: Pluralism

  13. Symbols and Myths in European Integration

    DEFF Research Database (Denmark)

    Lynggaard, Kennet; Manners, Ian James; Søby, Christine

    2013-01-01

    The study of symbols and myths in European integration is crucial to our understanding of both how the European Union (EU) becomes constituted as a political reality and how the integration process itself occurs. By drawing on the study of symbols and myths from political science, humanities...... and cultural studies to the analysis of European integration, this paper will set out a project to provide a better understanding of how symbolic and substantial processes interact in European society....

  14. Master Robotic Net

    Directory of Open Access Journals (Sweden)

    Vladimir Lipunov

    2010-01-01

    Full Text Available The main goal of the MASTER-Net project is to produce a unique fast sky survey with all sky observed over a single night down to a limiting magnitude of 19-20. Such a survey will make it possible to address a number of fundamental problems: search for dark energy via the discovery and photometry of supernovae (including SNIa, search for exoplanets, microlensing effects, discovery of minor bodies in the Solar System, and space-junk monitoring. All MASTER telescopes can be guided by alerts, and we plan to observe prompt optical emission from gamma-ray bursts synchronously in several filters and in several polarization planes.

  15. FY 1998 annual summary report on International Clean Energy Network Using Hydrogen Conversion (WE-NET) system technology. Subtask 9. Research and evaluation of innovative and leading technologies; 1998 nendo seika hokokusho. Suiso riyo kokusai clean energy system gijutsu (WE-NET) subtask 9 (kakushinteki, sendoteki gijutsu ni kansuru chosa kenkyu)

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-03-01

    In order to make useful suggestions and proposals for the International Clean Energy Network Using Hydrogen Conversion (WE-NET) project and thereby to promote the research and development activities, the innovative and leading technologies have been studied, investigated and evaluated. In FY 1998, a total of 6 proposals were collected, and evaluated to prioritize for the conceptual studies. These are related to methanol-fueled power generation turbine system, conceptual design of high-efficiency production system for high-efficiency solar cell by the 10 GW/y scale production process, investigation of potential of wind power, CO2 recycling methanol fuel cell, investigation of catalysis materials for hydrogen combustion and catalytic combustion systems, development of reversible high-temperature steam electrolysis cell/solid oxide fuel cell by the synthesis from aqueous solutions, and mobile heat recovery hydrogen production system. Promising technologies to be reflected on the WE-NET project were examined, based on the new technologies acquired from the research and investigation so far. As a result, two candidates were selected; hydrogen liquefaction by magnetic refrigeration technology, and catalytic combustion gas turbine. (NEDO)

  16. Fiscal 1997 survey report. Subtask 4 (hydrogen utilization worldwide clean energy system technology) (WE-NET) (development of hydrogen production technology); 1997 nendo seika hokokusho. Suiso riyo kokusai clean energy system gijutsu (WE-NET) subtask 4 suiso seizo gijutsu no kaihatsu

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-03-01

    As a WE-NET subtask, a study has been conducted of the solid polyelectrolyte water electrolysis method by which higher efficiency and lower cost hydrogen production is expected than in the conventional hydrogen production method. Production methods of electrode, electrolyte, etc. were studied. In the electroless plating method, the manufacturing process of membrane-electrode assemblies was realized in a large area of 2500 cm{sup 2} by the porous-surfaced method by studying manufacturing conditions for slurry membrane/membrane assembly/electroless plating processes. In the hot-press method, the refining degree and dispersibility of iridium dioxide powder were studied to improve characteristics of anode catalyst. A method was developed to form polyelectrolyte coatings homogeneously on the surface of electrode layer catalytic powder, and a large area of 2500 cm{sup 2} was realized. Beside the performance test using large single cells, FS was conducted to discuss optimum operating conditions and optimum structures of plants. Both methods indicated the performance exceeding the energy conversion efficiency of 90%, a WE-NET target, at current density of 1A/cm{sup 2} and electrolysis temperature of 80degC. A key was found to a bench-scale development (electrode area of 2500 cm{sup 2}, about 5 layers) to be planned in fiscal 1998. 136 figs., 50 tabs.

  17. Antioxidant therapy: myth or reality?

    Energy Technology Data Exchange (ETDEWEB)

    Nunez-Selles, Alberto J. [Center of Pharmaceutical Chemistry, Havana (Cuba)]. E-mail: alberto@cqf.co.cu

    2005-07-15

    New terms such as oxidative stress, antioxidant products or pro-oxidant risks are becoming familiar and an increasing number of international scientific conferences and the publication of thousands of scientific articles is an indication of the growing interest that the subject awakens. The most publicized example is perhaps the French paradox, based on the apparent compatibility of a high fat diet with a low incidence of coronary atherosclerosis attributed to the regular consumption, by the French, of red wine and/or grape juice. Flavonoids, and other phenolic substances contained in red wine, are assigned with antioxidant properties, which lower the oxidation of low density lipoproteins and consequently, the risk of atherogenic diseases. Other examples are the aging process and its correlation with an increase of free radicals, and the correlation between the initiation and promotion of cancer and tissue injury by free radicals, which has induced the intake of antioxidant products as chemical factors that prevent the onset of the disease. Currently, the incidence of oxidative stress on the onset and evolution of more than 100 diseases is claimed by several researchers. All these are 'realities', which on the other hand, are lacking of more clinical evidence, are considered by both physicians and health regulatory bodies, either as 'myths' or of 'secondary' importance. In the attempts to destroy those myths, results of chemical, pre-clinical, and clinical works with a crude extract of mango (Mangifera indica L.) stem bark, which has been developed in Cuba, are reviewed, with a strong experimental evidence of its antioxidant, anti-inflammatory and immunomodulatory properties. (author)

  18. Counseling Child Sexual Abuse Victims: Myths and Realities.

    Science.gov (United States)

    England, Lynn W.; Thompson, Charles L.

    1988-01-01

    Attempts to create awareness among counselors about nature and prevalence of child sexual abuse. Identifies six myths about sexual abuse and discusses both myths and realities about the topic. Presents recommendations for interviewing suspected victims of child sexual abuse. (Author)

  19. Building a Healthy Vegetarian Meal: Myths and Facts

    Science.gov (United States)

    ... Healthy Vegetarian Meal Print Email Building a Healthy Vegetarian Meal Myths and Facts By Alexandra Caspero, MA, ... it comes to plant-based diets. Myth #1: Vegetarians and Vegans Have a Hard Time Getting Enough ...

  20. Cancer Fact or Fiction: Separating Myths from Good Information

    Science.gov (United States)

    Cancer Fact or Fiction: Separating Myths from Good Information By the National Cancer Institute To many, cancer remains one of the most frightening ... cancer. It is important to separate fact from fiction. Some of the most common cancer myths not ...

  1. Combining Ricoeur and Bultmann on myth and demythologising

    African Journals Online (AJOL)

    2016-07-08

    Jul 8, 2016 ... understanding of myth was influenced by literary criticism, Bultmann's definition of myth is .... as Bultmann used analogical (or metaphorical) language to ... opaque. In this regard, Ricoeur (1977:38) joined metaphysics to metaphor. Exactly this function of metaphor shows that myths and mythological ...

  2. Myth as metaphor | Malan | HTS Teologiese Studies / Theological ...

    African Journals Online (AJOL)

    Modern Christianity has failed to update its myths and has even eliminated them, thus, excluding the metaphysical experience indispensable to religion (Jung). Myths should be interpreted, not eliminated. Answering the question about how to interpret myths without eliminating them or their intended effect is the object of this ...

  3. Exposure to Pornography and Acceptance of Rape Myths.

    Science.gov (United States)

    Allen, Mike; And Others

    1995-01-01

    Summarizes the literature examining the association between acceptance of rape myths and exposure to pornography. States that nonexperimental methodology shows that exposure to pornography does not increase rape myth acceptance, while experimental studies show that exposure to pornography increases rape myth acceptance. Concludes that experimental…

  4. Child Sexual Abuse Myths: Attitudes, Beliefs, and Individual Differences

    Science.gov (United States)

    Cromer, Lisa DeMarni; Goldsmith, Rachel E.

    2010-01-01

    Child sexual abuse myths comprise incorrect beliefs regarding sexual abuse, victims, and perpetrators. Relations among myth acceptance, responses to disclosure, legal decisions, and victims' subsequent psychological and health outcomes underscore the importance of understanding child sexual abuse myths. Despite accurate knowledge regarding child…

  5. Examining the Relationship between Male Rape Myth Acceptance, Female Rape Myth Acceptance, Victim Blame, Homophobia, Gender Roles, and Ambivalent Sexism

    Science.gov (United States)

    Davies, Michelle; Gilston, Jennifer; Rogers, Paul

    2012-01-01

    The relationship between male rape myth acceptance, female rape myth acceptance, attitudes toward gay men, a series of gender role and sexism measures, victim blame and assault severity were investigated. It was predicted that men would display more negative, stereotypical attitudes than women and that male rape myth endorsement would be related…

  6. Imitating the Myth in the Gorgias

    Directory of Open Access Journals (Sweden)

    Efren A. Alverio II

    2001-06-01

    Full Text Available The advent of logical positivism contributed to the sharp definitional demarcation between what we consider mythical (mythos and what we take to be a true account (logos. This essay attempts to go back to one of the sources of such a supposed distinction. By analyzing the Gorgias, I will show that even Plato did not make such a distinction. In fact, Plato even constructed a theory of justice that made use of myth as its medium. The Platonic Myth in the Gorgias was used as true logos in order to justify Socrates' use of the myth as the paradigm of a life that is philosophical in contrast to that of his accusers who espoused mere sophistry. By using the concept of historia in relation with the concept of mythos, Plato regarded the futuristic afterlife in the myth as a sufficient condition to live a just life. This sufficient condition exemplified by the Myth in the Gorgias is a measuring rod by which we can compare our present system of justice.

  7. NA-NET numerical analysis net

    Energy Technology Data Exchange (ETDEWEB)

    Dongarra, J. [Tennessee Univ., Knoxville, TN (United States). Dept. of Computer Science]|[Oak Ridge National Lab., TN (United States); Rosener, B. [Tennessee Univ., Knoxville, TN (United States). Dept. of Computer Science

    1991-12-01

    This report describes a facility called NA-NET created to allow numerical analysts (na) an easy method of communicating with one another. The main advantage of the NA-NET is uniformity of addressing. All mail is addressed to the Internet host ``na-net.ornl.gov`` at Oak Ridge National Laboratory. Hence, members of the NA-NET do not need to remember complicated addresses or even where a member is currently located. As long as moving members change their e-mail address in the NA-NET everything works smoothly. The NA-NET system is currently located at Oak Ridge National Laboratory. It is running on the same machine that serves netlib. Netlib is a separate facility that distributes mathematical software via electronic mail. For more information on netlib consult, or send the one-line message ``send index`` to netlib{at}ornl.gov. The following report describes the current NA-NET system from both a user`s perspective and from an implementation perspective. Currently, there are over 2100 members in the NA-NET. An average of 110 mail messages pass through this facility daily.

  8. NA-NET numerical analysis net

    Energy Technology Data Exchange (ETDEWEB)

    Dongarra, J. (Tennessee Univ., Knoxville, TN (United States). Dept. of Computer Science Oak Ridge National Lab., TN (United States)); Rosener, B. (Tennessee Univ., Knoxville, TN (United States). Dept. of Computer Science)

    1991-12-01

    This report describes a facility called NA-NET created to allow numerical analysts (na) an easy method of communicating with one another. The main advantage of the NA-NET is uniformity of addressing. All mail is addressed to the Internet host na-net.ornl.gov'' at Oak Ridge National Laboratory. Hence, members of the NA-NET do not need to remember complicated addresses or even where a member is currently located. As long as moving members change their e-mail address in the NA-NET everything works smoothly. The NA-NET system is currently located at Oak Ridge National Laboratory. It is running on the same machine that serves netlib. Netlib is a separate facility that distributes mathematical software via electronic mail. For more information on netlib consult, or send the one-line message send index'' to netlib{at}ornl.gov. The following report describes the current NA-NET system from both a user's perspective and from an implementation perspective. Currently, there are over 2100 members in the NA-NET. An average of 110 mail messages pass through this facility daily.

  9. Fiscal 1997 survey report. Subtask 9 (hydrogen utilization worldwide clean energy system technology) (WE-NET) (survey/study on the innovative and leading technology); 1997 nendo seika hokokusho. Suiso riyo kokusai clean energy system gijutsu (WE-NET) subtask 9 kakushinteki, sendoteki gijutsu ni kansuru chosa kenkyu

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-03-01

    For the purpose of giving useful suggestions/proposals to the course of WE-NET and contributing to the R and D, conducted were survey/collection/evaluation of new technologies. The paper described the fiscal 1997 results. The number of the proposals of new technology accumulated during fiscal 1993 to 1997 is 28. The proposals of new technology made in fiscal 1997 are hydrogen production effectively using solar energy by wavelength zone, hydrogen storage using fullerene, and the methanol power generation turbine system. Four technologies proposed in fiscal 1996 and 1997 were evaluated. The evaluation method requires two steps of the marking using the analytic hierarchy process (AHP) and the adjustment by the committee. The highly evaluated proposals out of those having been made were analysis/evaluation of hydrogen-oxygen internal-combustion Stirling engine, hydrogen production effectively using solar energy by wavelength zone, hydrogen production by solid oxide electrolysis, magnetic refrigeration method for hydrogen liquefaction, hydrogen production technology using photocatalyst, etc. The paper also stated the result of studying concepts of innovative/leading technologies in fiscal 1996. 4 figs., 29 tabs.

  10. Myth in María Zambrano

    Directory of Open Access Journals (Sweden)

    Alejandro Rodríguez Díaz del Real

    2015-04-01

    Full Text Available The interest in Greece that Jose Ortega y Gasset and María Zambrano share is clear and demonstrable even if a reader is only a little familiar with these authors. Less similar is the approach they take to myth as a specific subject in their writings. Unlike Ortega's relative indifference - if one dares think anything could be indifferent to him - Zambrano takes myth as what Duch calls an "in-wording" element by linking it with autobiographical forms of writing, such as her characteristic deliriums. She re-envisions mythical figures in an intimate way, as in her play La tumba de Antígona. This article examines some of the key relationships of Greek myth with the "razón poética" in Zambrano's writing, focusing primarily on El hombre y lo divino (1955.

  11. Organizational Transparency as Myth and Metaphor

    DEFF Research Database (Denmark)

    Christensen, Lars Thøger; Cornelissen, Joep

    2015-01-01

    Transparency has achieved a mythical status in society. Myths are not false accounts or understandings, but deep-seated and definitive descriptions of the world that ontologically ground the ways in which we frame and see the world around us. We explore the mythical nature of transparency from...... this perspective, explain its social-historical underpinnings and discuss its influence on contemporary organizations. In doing so, we also theorize in a more general sense about the relationship between myth, as a foundational understanding and description of the world, and the constellation of metaphors......, as specific ways of framing and seeing organizational reality, to which it gives rise. While observations and evidence can always be adduced to challenge a particular set of metaphors, the endogenous force of the myth may sustain the overall project. This process is explained with a detailed analysis...

  12. Tropic lightning: myth or menace?

    Science.gov (United States)

    McCarthy, John

    2014-11-01

    Lightning is one of the leading causes of death related to environmental disaster. Of all lightning fatalities documented between 2006 and 2012, leisure activities contributed the largest proportion of deaths, with water-associated, sports, and camping being the most common. Despite the prevalence of these activities throughout the islands, Hawai'i has had zero documented lightning fatalities since weather data tracking was initiated in 1959. There is a common misconception that lightning does not strike the ground in Hawai'i. This myth may contribute to a potentially dangerous false sense of security, and recognition of warning signs and risk factor modification remain the most important prevention strategies. Lightning damage occurs on a spectrum, from minor burns to multi-organ dysfunction. After injury, initial treatment should focus on "reverse triage" and immediate cardiopulmonary resuscitation when indicated, followed by transfer to a healthcare facility. Definitive treatment entails monitoring and management of potential sequelae, to include cardiovascular, neurologic, dermatologic, ophthalmologic, audiovestibular, and psychiatric complications.

  13. The myth of peer pressure.

    Science.gov (United States)

    Ungar, M T

    2000-01-01

    The construct of peer pressure was examined as part of a qualitative study of the determinants of mental health for 41 high-risk adolescents. While the concept of peer pressure enables adults to explain youths' troubling behaviors, content analysis of the participants' accounts of their lives revealed peer pressure to be a myth. The youths indicated that adoption of the behavior and appearance of peers was a consciously employed strategy to enhance personal and social power. Association with peers was used to construct and maintain health-promoting identities that challenged the stigmatizing labels given to them by others. Three developmental stages to this process of identity construction were identified. During stage one, vulnerable youths learn to maintain a singular self-definition through interaction with peers. In stage two, youths purposefully use their peer relations to experiment with multiple identities. During stage three, youths collaborate with peers as equal partners in the construction of one or more identities for which they find acceptance.

  14. Dispelling some myths about condoms.

    Science.gov (United States)

    1997-01-01

    Condoms are an effective contraceptive and disease prevention device used correctly and consistently by millions of people around the world. That condoms do not work, HIV can pass through them, and condoms frequently break are simply myths. Condom efficacy is directly related to their correct and consistent usage. Condoms are therefore very effective when properly used. While HIV is only 0.1 micron wide and the head of a human sperm cell is 3 microns wide, scanning electron microscopy has shown latex condoms to block the passage of both. Most condom breakage is due to incorrect usage rather than poor condom quality. Prolonged exposure to heat and/or sunlight and the use of oil-based lubricants such as Vaseline can weaken condoms and cause them to break during use. Opening the condom pack with teeth or sharp fingernails can also damage a condom. Finally, a condom should not be used if its expiration date has passed or if it is more than 5 years from the manufacturing date.

  15. Kerlinger's Research Myths: An Overview with Implications for Professors of Educational Research.

    Science.gov (United States)

    Daniel, Larry G.

    A generation ago, Fred N. Kerlinger proposed that there were a number of myths that pervaded educational research. An overview of three specific myths is presented, followed by a discussion of the degree to which these myths have been overcome or still exist in educational research. The first of these myths, the "methods" myth, is…

  16. Myth and Education in School Daily Life

    Directory of Open Access Journals (Sweden)

    Marcia Reami Pechula

    2008-07-01

    Full Text Available When we speak in myth, we think about the origin of the things; when we speak in daily life, we think about the present of which these things are covered. However, in order to understand, sometimes, expressions used by the people it is necessary to know the narratives that tell us the origin of the world where we live. So, in a modern way, we can say that the myth survives in calendars, in the liturgy, in official ceremonies, tied to the rituals that command such incidents, in the advanced societies in which the man bent under the tecnicism weight and of the mecanicist barbarity, is subjugated by the cruel progress that hems it in and makes it fulfill the paper of wizard's apprentice. So, if our current words are intertwined to the myth, this will also have to be present in the school and in the contents worked by it for what pupils and teachers could understand and update the established relations, along the time, between the historical facts and the narratives that report them. With this objective the Project “To narrate histories, to interchange experiences”, financed by UNESP Nucleus of Teaching, was developed in partnership with the Rio Claro General office of Education, in the school “Sérgio Hernani Fittipaldi”. There were eleven meetings, in which the art of counting histories, way of knowledge who we are and how we are connected with our similars and with the world around us, was presented to the teachers of Basic Education. While tackling the type fiction, we gave distinction, in the childlike literature, to the myths and its transpositions for the literary narrative. In this form, the first part of this article is constituted by the approach to the conceptual field about the myth. The second part illustrates the literary creations that retake the myths, like the childlike work of Monteiro Lobato.

  17. Neuroscience and education: myths and messages.

    Science.gov (United States)

    Howard-Jones, Paul A

    2014-12-01

    For several decades, myths about the brain - neuromyths - have persisted in schools and colleges, often being used to justify ineffective approaches to teaching. Many of these myths are biased distortions of scientific fact. Cultural conditions, such as differences in terminology and language, have contributed to a 'gap' between neuroscience and education that has shielded these distortions from scrutiny. In recent years, scientific communications across this gap have increased, although the messages are often distorted by the same conditions and biases as those responsible for neuromyths. In the future, the establishment of a new field of inquiry that is dedicated to bridging neuroscience and education may help to inform and to improve these communications.

  18. Seven Myths of Global Talent Management

    DEFF Research Database (Denmark)

    Minbaeva, Dana; Collings, David G.

    2013-01-01

    The challenges associated with managing talent on a global scale are greater than those faced by organisations operating on a domestic scale. We believe that the former relate to the fact that a number of key myths regarding talent management may undermine talent management's contribution...... to multinational corporation effectiveness and retard the development of management practice in this regard. Our aim is to unpack some of those myths and offer some suggestions for advancing the practice of talent management on the basis of insights from both practice and academic thinking in this area....

  19. La naissance du monde: un mythe?

    Directory of Open Access Journals (Sweden)

    Philippe Borgeaud

    2015-06-01

    Full Text Available This is a survey of some cosmogonic myths that explicitly raise the question of the beginnings in terms of enigma. Mud, light, desire, dream, illusion, such are some of the disturbing ways to begin a persuasive story. Something has to be said, a story to be made, and these myths are working in the same way as the story of the big bang addressed today to those who cannot understand it. But these stories are offering, still and always, a serious reflection on what is most simply human.

  20. The Electra myth in Euripides and Cacoyannis

    OpenAIRE

    2012-01-01

    M.A. The goal of this research is to list, explore and explain the similarities and differences between the Electra of Euripides and the film of Michael Cacoyannis. Some critics regard the film as completely unfaithful to the original; others view it as a faithful cinematic rendition of the original; while others still regard it as a reworking of, and an improvement on, Euripides’ version of the Electra myth. The myth as treated by Euripides is about the revenge of the two children of Agam...

  1. Net Ecosystem Carbon Flux

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — Net Ecosystem Carbon Flux is defined as the year-over-year change in Total Ecosystem Carbon Stock, or the net rate of carbon exchange between an ecosystem and the...

  2. HANPP Collection: Global Patterns in Net Primary Productivity (NPP)

    Data.gov (United States)

    National Aeronautics and Space Administration — The Global Patterns in Net Primary Productivity (NPP) portion of the HANPP Collection maps the net amount of solar energy converted to plant organic matter through...

  3. Net ZEB case study buildings, measures and solution sets

    DEFF Research Database (Denmark)

    Aelenei, Laura; Waldren, David; Aelenei, Daniel

    2017-01-01

    The chapter summarises techniques - combined in solution sets - used in the case studied buildings to achieve buildings with net zero energy or energy neutral standard.......The chapter summarises techniques - combined in solution sets - used in the case studied buildings to achieve buildings with net zero energy or energy neutral standard....

  4. Professional Enterprise NET

    CERN Document Server

    Arking, Jon

    2010-01-01

    Comprehensive coverage to help experienced .NET developers create flexible, extensible enterprise application code If you're an experienced Microsoft .NET developer, you'll find in this book a road map to the latest enterprise development methodologies. It covers the tools you will use in addition to Visual Studio, including Spring.NET and nUnit, and applies to development with ASP.NET, C#, VB, Office (VBA), and database. You will find comprehensive coverage of the tools and practices that professional .NET developers need to master in order to build enterprise more flexible, testable, and ext

  5. Life in the Twilight Zone: The Persistence of Myth in Art Education.

    Science.gov (United States)

    Pariser, David

    1988-01-01

    Focuses on the article by Elliot W. Eisner (1971) in which Eisner identified seven myths held by art educators. Considers which myths are still alive today and the reasons that art education seems doomed to always have myths. (GEA)

  6. Dissertation Quality and Kerlinger's "Methods Myth."

    Science.gov (United States)

    Ponticell, Judith A.; Olivarez, Arturo

    1997-01-01

    Discusses the context in which F. N. Kerlinger (1960) developed his perspectives on educational research, his ideas about mythology in educational research, and the importance of his "methods" myth for education dissertations. Makes some recommendations for research methods in dissertation writing. (SLD)

  7. Inspired by Athletes, Myths, and Poets

    Science.gov (United States)

    Melvin, Samantha

    2010-01-01

    Tales of love and hate, of athleticism, heroism, devotion to gods and goddesses that influenced myth and culture are a way of sharing ancient Greece's rich history. In this article, the author describes how her students created their own Greek-inspired clay vessels as artifacts of their study. (Contains 6 online resources.)

  8. "The Scientific Method" as Myth and Ideal

    Science.gov (United States)

    Woodcock, Brian A.

    2014-01-01

    "The Scientific Method" as it has been portrayed in popular and introductory contexts has been declared a myth. The variation that one finds in introductory presentations of "The Scientific Method" is explained by the fact that there is no canonical account among historians and philosophers of science. What, in particular, is…

  9. Myths in African Concept of Reality

    Science.gov (United States)

    Jaja, Jones M.

    2014-01-01

    Myths are accounts of the origin of societies and institutions not subject to rationalization but often used by historians and philosophers in their quest to study African history; for it is only thus that we can comprehend the various aspects of the continent's history and culture. This paper examines the critical understanding of African…

  10. Genetics and Psychiatry: Myth or Reality?

    Science.gov (United States)

    Juli, Giada; Juli, Rebecca; Juli, Luigi

    2017-09-01

    Greek mythology and philosophical speculations were the first human productions on madness and psychiatry. Likewise, the origins of genetics sink their roots in a very remote and difficult time. This work tries to give an idea of the relationship between genetics and psychiatry through the myth and reality.

  11. Demystifying Five Persistent Myths: Thinking of School.

    Science.gov (United States)

    Wadsworth, Deborah; Johnson, Jean

    2001-01-01

    Public Agenda's recent study debunks five myths: only parents support the public schools; people think their community schools are performing well; those criticizing schools are clinging to an idealized past; people care little about poor, minority students' academic success; and most Americans distrust academic standards and standardized testing.…

  12. Types and myths in Brazilian thought

    Directory of Open Access Journals (Sweden)

    Octavio Ianni

    2005-01-01

    Full Text Available "Ideal types" elaborated by different authors and that have become emblematic, notorious or even definitive, sometimes representing myths are quite frequent in Brazilian thought. That is the case of the bandeirantes (colonial crusaders, the gaúcho, Jeca Tatu, Macunaíma, cordial man and others. It is worth contemplating this aspect of Brazilian culture and thought.

  13. The Myth of Cell Phone Radiation

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education; Volume 17; Issue 11. The Myth of Cell Phone Radiation. Vasant Natarajan. General Article Volume 17 Issue 11 November 2012 pp 1048-1053. Fulltext. Click here to view fulltext PDF. Permanent link: http://www.ias.ac.in/article/fulltext/reso/017/11/1048-1053 ...

  14. Single-Parent Families: Myth and Reality

    Science.gov (United States)

    Verzaro, Marce; Hennon, Charles B.

    1980-01-01

    Examines the myths surrounding single-parent families. Discusses lifestyles, parental roles, parent-child relationships, psychological development of the child, and how these concerns affect home economics programs (knowledge, skills, coping patterns, teaching methods, the role of 4-H, stereotypes, and teachers' communication with parents). (CT)

  15. Columbus and the Flat Earth Myth

    Science.gov (United States)

    Singham, Mano

    2007-01-01

    In this article, the author discusses the resilient myth that it was Columbus' journey to the New World that proved that the world was round. It is widely known that it was Columbus' journey to the New World that proved that the world was round. However, Thomas Kuhn in "The Copernican Revolution" showed clearly in 1957 that the idea of a flat…

  16. POLITICAL MYTH AND ACHEBE'S ARROW OF GOD

    African Journals Online (AJOL)

    User

    'Every form of social organization,' according to Sala (2010), 'requires narratives to give it meaning and to .... moments in the story to excuse action or inac- tion. The Chief Priest cites the myth during the debate on the ..... the misguided heathen to show gratitude to God, the giver of all good things. This was God's hour to ...

  17. The College President: Expectations, Realities, and Myths.

    Science.gov (United States)

    Kauffman, Joseph F.; Walker, Donald E.

    Two speeches are presented: Expectations and Realities for the College President, by Joseph Kauffman, and Myths of the College Presidency, by Donald E. Walker. The first discusses the discrepancies between the expectations and realities in three areas: the relationship with boards of trustees, relations with central administration in the state…

  18. Theories and myths of European foreign policy

    DEFF Research Database (Denmark)

    Manners, Ian James

    2014-01-01

    , multilateralising and multipolarising processes. In order to make greater sense of EFP in a global political-cultural context, this chapter will consider the ways in which political theories and cultural myths co-constitute each other in both symbolic and substantive terms. EFP is understood here to involve...

  19. Organizational transparency as myth and metaphor

    NARCIS (Netherlands)

    Christensen, L.T.; Cornelissen, J.P.

    2015-01-01

    Transparency has achieved a mythical status in society. Myths are not false accounts or understandings, but deep-seated and definitive descriptions of the world that ontologically ground the ways in which we frame and see the world around us. We explore the mythical nature of transparency from this

  20. Empirically Based Myths: Astrology, Biorhythms, and ATIs.

    Science.gov (United States)

    Ragsdale, Ronald G.

    1980-01-01

    A myth may have an empirical basis through chance occurrence; perhaps Aptitude Treatment Interactions (ATIs) are in this category. While ATIs have great utility in describing, planning, and implementing instruction, few disordinal interactions have been found. Article suggests narrowing of ATI research with replications and estimates of effect…

  1. On the Myth of Pulse Width Modulated Spectrum in Theory and Practice

    DEFF Research Database (Denmark)

    Knott, Arnold; Pfaffinger, Gerhard; Andersen, Michael Andreas E.

    2009-01-01

    Switch-mode audio power amplifiers are commonly used in sound reproduction. Their well known drawback is the radiation of high frequent energy, which can disturb radio and TV receivers. The designer of switch-mode audio equipment therefore needs to make arrangements to prevent this coupling which...... precisely in time and spectral domain to enlighten the assumptions about the PWM spectra and decrypt this myth....

  2. Effects of forest management and climate change on energy biomass and timber production with implications for carbon stocks and net CO{sub 2} exchange in boreal forest ecosystems

    Energy Technology Data Exchange (ETDEWEB)

    Alam, A.

    2011-07-01

    The aim of this work was to investigate the effects of forest management and climate change on energy biomass (wood) and timber production with implications for carbon stocks and net CO{sub 2} exchange in boreal forest ecosystems in Finland. First, the impacts of thinning on growth, timber production and carbon stocks under the current and changing climate were analysed by employing an ecosystem model for the whole of Finland over a 90-year period (Article 1). Concurrently, the potential of energy biomass production with implications for timber production and carbon stocks under varying thinning and climate scenarios was studied (Article 2). Thereafter, a life cycle assessment (LCA) tool for estimating net CO{sub 2} exchange of forest production was developed (Article 3), and it was applied in interaction with ecosystem model based simulations to study the impacts of different management regimes (initial stand density and thinning regimes) on energy biomass production and related CO{sub 2} emissions at a stand level with a rotation length of 80 years (Articles 3 and 4). The results showed that the climate change increased the production potential of energy biomass and timber, and carbon sequestration and stocks over the whole of Finland, but, in a relative sense more in northern than southern Finland (Articles 1 and 2). Decreasing basal area based thinning thresholds compared to the currently recommended ones, increased the harvesting of the annual average amount of timber compared to the annual average growth of stem wood, and reduced carbon stocks in the forest ecosystems (Article 1). On the other hand, the use of increased basal area thinning thresholds concurrently increased energy biomass and timber production, and carbon stocks in the forest ecosystem regardless of climate applied (Article 2). The development of the LCA tool made it also possible to estimate the net carbon exchange of the forest production (Article 3). Based on the use of the LCA tool with

  3. Intercultural Communication in the Inheritance Urang Pulo the Myth

    OpenAIRE

    Hermawati, Euis

    2011-01-01

    Communication is an essential aspect fo Urang Pulo to preserve their mythical culture. One of the myth preserving method is to inherit in the myth to upcoming generation. The inheritance involves both interaction and communication among Urang Pulo s society. Who share similar cultural backgrounds, which called intracultural communication. This study defines intracultural communication within Urang Pulo society. In the myth preserving method. The society of Kampung Pulo is unique, they are Sun...

  4. WaveNet

    Science.gov (United States)

    2015-10-30

    Coastal Inlets Research Program WaveNet WaveNet is a web-based, Graphical-User-Interface ( GUI ) data management tool developed for Corps coastal...generates tabular and graphical information for project planning and design documents. The WaveNet is a web-based GUI designed to provide users with a...data from different sources, and employs a combination of Fortran, Python and Matlab codes to process and analyze data for USACE applications

  5. Coloured Petri Nets

    DEFF Research Database (Denmark)

    Jensen, Kurt

    1991-01-01

    This paper describes how Coloured Petri Nets (CP-nets) have been developed — from being a promising theoretical model to being a full-fledged language for the design, specification, simulation, validation and implementation of large software systems (and other systems in which human beings and...... use of CP-nets — because it means that the function representation and the translations (which are a bit mathematically complex) no longer are parts of the basic definition of CP-nets. Instead they are parts of the invariant method (which anyway demands considerable mathematical skills...

  6. Game Coloured Petri Nets

    DEFF Research Database (Denmark)

    Westergaard, Michael

    2006-01-01

    This paper introduces the notion of game coloured Petri nets. This allows the modeler to explicitly model what parts of the model comprise the modeled system and what parts are the environment of the modeled system. We give the formal definition of game coloured Petri nets, a means of reachability...... analysis of this net class, and an application of game coloured Petri nets to automatically generate easy-to-understand visualizations of the model by exploiting the knowledge that some parts of the model are not interesting from a visualization perspective (i.e. they are part of the environment...

  7. Programming NET Web Services

    CERN Document Server

    Ferrara, Alex

    2007-01-01

    Web services are poised to become a key technology for a wide range of Internet-enabled applications, spanning everything from straight B2B systems to mobile devices and proprietary in-house software. While there are several tools and platforms that can be used for building web services, developers are finding a powerful tool in Microsoft's .NET Framework and Visual Studio .NET. Designed from scratch to support the development of web services, the .NET Framework simplifies the process--programmers find that tasks that took an hour using the SOAP Toolkit take just minutes. Programming .NET

  8. Annotating Coloured Petri Nets

    DEFF Research Database (Denmark)

    Lindstrøm, Bo; Wells, Lisa Marie

    2002-01-01

    -net. An example of such auxiliary information is a counter which is associated with a token to be able to do performance analysis. Modifying colour sets and arc inscriptions in a CP-net to support a specific use may lead to creation of several slightly different CP-nets – only to support the different uses...... a method which makes it possible to associate auxiliary information, called annotations, with tokens without modifying the colour sets of the CP-net. Annotations are pieces of information that are not essential for determining the behaviour of the system being modelled, but are rather added to support...

  9. Myths and realities of the long-term reversible contraceptives

    National Research Council Canada - National Science Library

    Neyro, José Luis; Cristóbal, Ignacio; Celis-González, Cuauhtémoc; Gómez, Miriam; Miguel Ángel Elorriaga; Lira-Plascencia, Josefina

    2015-01-01

    .... They were included in the various search engines, the words: Long-Acting Reversible Contraception, intrauterine contraceptive method, contraceptive implants and intrauterine, myths About IUDs, and others...

  10. Pasolini's Edipo Re: myth, play, and autobiography.

    Science.gov (United States)

    Pipolo, Tony

    2013-08-01

    The pervasive influence of the Oedipus complex on world culture is a given, yet throughout the long history of motion pictures only one major filmmaker has tackled the literary source that inspired Freud. The film, Edipo Re, directed by Italian poet, novelist, and social and political activist Pier Paolo Pasolini, not only reconstructs the myth and adapts Sophocles' tragedy, but uses both as a basis of cinematic autobiography. This paper is a detailed analysis of the formal, stylistic, and thematic dimensions of this film, illustrating the complex manner in which Pasolini interweaves myth, play, and autobiography into a unique cinematic achievement. This analysis is followed by speculations on the implications of the film's structure and techniques and on what they reveal about Pasolini's character, his sexual profile, and the ignominious murder that ended his life.

  11. Myth-management in the NHS.

    Science.gov (United States)

    Thorne, M L

    1997-01-01

    Reviews the role of clinical directors from outside the usual managerial framework to challenge the managerial myth applied to professionals who take on these roles. Defines management, managing, managerialism and leadership and develops an empirical framework to compare the roles of doctors and managers. Uses the framework to identify the cognitive map that clinical directors use and how they perceive their role. An emergent model illustrates how clinical directors combine a new cognitive map with their existing professional behaviours to undertake their role. Clinical directors both perceived and described their role in terms of leadership rather than management reinforcing the inappropriateness of using managerial frameworks. Instead clinical directors should be developed and evaluated as professional leaders. This raises wider questions of whether management and the language of management are either useful or appropriate for professionals in the NHS or whether their value is really a myth.

  12. Stars, myths and rituals in Etruscan Rome

    CERN Document Server

    Magini, Leonardo

    2015-01-01

    This book offers a detailed and fascinating picture of the astonishing astronomical knowledge on which the Roman calendar, traditionally attributed to the king Numa Pompilius (reign 715-673 BC), was based. This knowledge, of Mesopotamian origins, related mainly to the planetary movements and to the occurrence of eclipses in the solar system. The author explains the Numan year and cycle and illustrates clearly how astronomical phenomena exerted a powerful influence over both public and private life. A series of concise chapters examines the dates of the Roman festivals, describes the related rites and myths, and places the festivals in relation to the planetary movements and astronomical events. Special reference is made to the movements of the moon and Venus, their relation to the language of myth, and the particular significance that Venus was considered to have for female fertility. The book clearly demonstrates the depth of astronomical knowledge reflected in the Roman religious calendar and the designated...

  13. Net zero water

    CSIR Research Space (South Africa)

    Lindeque, M

    2013-01-01

    Full Text Available Is it possible to develop a building that uses a net zero amount of water? In recent years it has become evident that it is possible to have buildings that use a net zero amount of electricity. This is possible when the building is taken off...

  14. SolNet

    DEFF Research Database (Denmark)

    Jordan, Ulrike; Vajen, Klaus; Bales, Chris

    2014-01-01

    SolNet, founded in 2006, is the first coordinated International PhD education program on Solar Thermal Engineering. The SolNet network is coordinated by the Institute of Thermal Engineering at Kassel University, Germany. The network offers PhD courses on solar heating and cooling, conference...

  15. Kunstige neurale net

    DEFF Research Database (Denmark)

    Hørning, Annette

    1994-01-01

    Artiklen beskæftiger sig med muligheden for at anvende kunstige neurale net i forbindelse med datamatisk procession af naturligt sprog, specielt automatisk talegenkendelse.......Artiklen beskæftiger sig med muligheden for at anvende kunstige neurale net i forbindelse med datamatisk procession af naturligt sprog, specielt automatisk talegenkendelse....

  16. The Role of Military Myth in Society

    Science.gov (United States)

    2012-04-01

    1963 film A Gathering of Eagles is broadly similar to Strategic Air Command in the elements of military myth it portrays. In the movie, Rock Hudson is...significant barriers and performed superbly in combat; the institutional racism that threatened several times to end the Tuskegee program and/or deny them...the face of adversity and contribute significantly to the war effort. The cause they served is portrayed as admirable and worthy, despite the racism

  17. Dispelling myths concerning pigmented skin lesions.

    Science.gov (United States)

    Piccolo, V; Russo, T; Giacomel, J; Lallas, A; Alfano, R; Argenziano, G

    2016-06-01

    The history of medicine is replete with examples of debunked myths, and in daily clinical dermatological practice, we must still counter many misconceptions regarding pigmented lesions, both with patients and other medical practitioners. Debunking myths and attempting to explain the reasons for these erroneous beliefs are the purposes of this review. The literature review has been partially guided by the results obtained from an online questionnaire conducted on an Italian website (www.vediamocichiara.it) from February 15, 2015 to March 15, 2015. The remaining discussed were selected on the basis of the existing literature and our personal experience. In order to explore these misconceptions, the following are the seven most salient questions that require investigation: (i) Is it dangerous to excise moles?; (ii) Is it dangerous to traumatize moles?; (iii) Are plantar moles worrisome?; (iv) Is it necessary to selectively apply sunscreen to moles?; (v) Is it inadvisable to partially biopsy a melanoma?; (vi) Do moles turn into melanoma?; and (vii) Is it necessary to perform sentinel lymph node biopsy for thin melanomas and for atypical Spitz naevi? Myths are ubiquitous, being prevalent in dermatological practice, with many of them concerning pigmented skin lesions. By encouraging critical analysis by patients and medical practitioners, the birth and perpetuation of myths can potentially be minimized, for the ultimate benefit of patients. This requires a scientific approach to be rigorously applied to dermatology, with critical questioning of unsubstantiated hypotheses including those emanating from the mass media as well as from respected sources. © 2016 European Academy of Dermatology and Venereology.

  18. Time and myth: the Argonauts in Ljubljana

    Directory of Open Access Journals (Sweden)

    Ana María Sánchez Tarrío

    2012-12-01

    Full Text Available This papers gives a breif overview of research in its initial phases, which examines, from the perspective of the construction of national identity, the traditional theme of the enduring and timeless nature of Classical myths and in particular the ancient myth, which is the subject of Borges’s sharp irony in his short-story “The immortal”. The reception of the Argonauts myth in Slovenian culture, initiated by the work of Janez Vajkard or Johann Weichard Freiherr von Valvasor (1641–1693, offers a significant case-study, which also highlights the relevance of Humanist and Baroque culture in the critical history of European nationalism. Writing before the emergence in Europe of the Hegelian conception of “Volkgeist”, the polymath writer applied a humanistic approach to patriotic themes, revealing Slovene culture, hybrid from its origins, to the wider world. A characteristic feature of his approach was the fusion of earlier textual tradition with contemporary oral material. Both in Slovenia and in the rest of Europe the comparison of the nineteenth century treatment of material dealing with national identity with its earlier treatment and transmission by humanist writers highlights the importance of the 16th and 17th centuries in the configuration of the different national faces of Europe as well as the significant role of common Greek and Latin roots. As a result, the myth of the Argonauts in Ljubljana, against the backdrop of idealistic or essentialist nationalist faiths, has the not inconsiderable virtue of underscoring the contaminatio that is characteristic of the construction of national identity.

  19. RUSSIA IN MYTHS AND IN REALITY

    Directory of Open Access Journals (Sweden)

    V. D. Solovey

    2012-01-01

    Full Text Available Abstract: Among both Russian and international authors there are wide-spread stereotypes regarding typical values of Russians. However, sociological studies on systems of values and patterns of behaviour frequent among citizens of Russia contradict with the myths of special “Russian path”. Domination of the “ideals of achievement” in Russian places it in line with other European countries.

  20. Managing the myths of health care.

    Science.gov (United States)

    Mintzberg, Henry

    2012-01-01

    Myths impede the effective management of health care, for example that the system is failing (indeed, that is a system), and can be fixed by detached social engineering and heroic leadership, or treating it more like a business. This field needs to reframe its management, as distributed beyond the "top"; its strategy as venturing, not planning; its organizing as collaboration beyond control, and especially itself, as a system beyond its parts.

  1. Network frontier as a metaphor and myth

    Directory of Open Access Journals (Sweden)

    N V Plotichkina

    2017-12-01

    Full Text Available This article considers spatial metaphors of the Internet and the possibility to extrapolate the frontier thesis of F. Turner on the electronic space. The authors believe that information and communication technologies and the digital world have become new spaces for the expansion of states or individuals. That is why there are ongoing scientific debates on the limits and potential of western and electronic frontiers’ metaphors for analytical description of the digital space. The metaphor of the Internet as a western frontier is quite controversial; many authors prefer the electronic frontier analogy as more heuristic and valid for constructing metaphors of the digital reality. The network frontier is defined as a dynamic, elastic and permeable border of social and cultural practices of the network society. The authors estimate the heuristic potential of the concept ‘network frontier’ developed on the basis of integration of the frontier theory and the concept ‘network society’, taking into account the effects of globalization for the study of elastic, permeable and movable border of the network landscape. In the digital world, the spatiality transforms, the geography of the Internet network determines the metamorphosis of the frontier as a contact zone between online and offline spaces, which is dynamic, innovative, encourages mobility, and its permeability depends on the digital competence of citizens. The authors explain the mythology of western and electronic frontier; name the main network frontier myths related to the rhetoric of western frontier myth; describe the main components of the western frontier myth associated with the idea of American exceptionalism; and conclude with the identification of nowadays myths about frontier-men and the online space they master.

  2. Myth busting in carbon monoxide poisoning.

    Science.gov (United States)

    Hampson, Neil B

    2016-02-01

    The evidence supporting many beliefs in medicine is based upon opinion, personal experience, hearsay, or "common knowledge." When one searches for the data supporting oft-quoted facts in medicine, they are sometimes found to be old, incorrect, or nonexistent. Such unsupported facts or beliefs can be termed myths. This minireview will summarize 4 examples of "myth busting" by the author when he has discovered widely held beliefs regarding carbon monoxide (CO) poisoning to be untrue during a 25-year career of research in the field. These include the mistaken beliefs that (1) symptoms correlate with presenting blood carboxyhemoglobin levels, (2) residents are safe from CO poisoning if their home does not contain fuel-burning appliances, (3) carboxyhemoglobin levels must be measured rapidly and on arterial blood, and (4) CO poisoning predisposes to premature long-term death from cardiac disease. In addition to providing the evidence disproving these myths, the importance of going back to the original reference when citing prior work is emphasized. Copyright © 2015 Elsevier Inc. All rights reserved.

  3. [The myth of the good savage].

    Science.gov (United States)

    Yampey, N

    1994-09-01

    The conquest of the New World gave way to the myth of the Good Savage. For the Renaissance intellectuals, the ancient ideas about the Golden Age (an ideal society promising an unending bliss) seemed to be brought back to life at last. Sharply contrasting with the European exacerbated unrest of the time, America stood for a redeeming hope, a symbol of a better future. The myth of the Good Savage assumes people to be naturally good, but civilization has led them into the realm of violence, hatred, and cruelty. Besides being naturally good, nice-minded people, "good savages" were also useful, obedient people, most likely to be easily exploited by Europeans--a source for the historical drama to come. On the verge of freeing itself from the Spanish rule, Latin America--fighting its way toward independence, had three enlightened mentors: Voltaire, Rousseau, and Montesquieu. There, again, another deep contrast arose between the abstract characteristics of Latin American aims to perfection, and people's actual behaviors. The former "good savage" became the modern "Latin American" embodying an utopia as well as a hope in his eagerness for setting up a plural, and humanized culture. The myth of the Good Savage represents a deep longing for an objectivation of the ego-ideal: it has been used, so to speak, in collective mobilizations as well as dogmatic crystallizations, to escape from ignominous realities or to project alternatives for a better socially-shared life.

  4. Myths of Behavioral Disorders: Monograph 1. Monograph Series in Behavior Disorders.

    Science.gov (United States)

    Drake Univ., Des Moines, IA. Midwest Regional Resource Center.

    Myths often associated with behavioral disorders are examined, and for each myth, strategies that can be implemented by teachers and systems to dispell the myths are identified. It is suggested that the myth that parents caused the child to be behaviorally disordered (BD) can interfere with the child's programing and growth and effective…

  5. Myths and Facts about Suicide from Individuals Involved in Suicide Prevention

    Science.gov (United States)

    Schurtz, David R.; Cerel, Julie; Rodgers, Philip

    2010-01-01

    Myth-busting, in which a so-called myth is presented and dispelled by facts, is used in suicide prevention gatekeeper trainings such as QPR. Evidence from other areas of public health shows this technique leads to memory for myths and not facts. An internet survey was used to determine if the "myths" and "facts" presented in QPR are endorsed as…

  6. Chapter 17: Estimating Net Savings: Common Practices

    Energy Technology Data Exchange (ETDEWEB)

    Violette, D. M.; Rathbun, P.

    2014-09-01

    This chapter focuses on the methods used to estimate net energy savings in evaluation, measurement, and verification (EM&V) studies for energy efficiency (EE) programs. The chapter provides a definition of net savings, which remains an unsettled topic both within the EE evaluation community and across the broader public policy evaluation community, particularly in the context of attribution of savings to particular program. The chapter differs from the measure-specific Uniform Methods Project (UMP) chapters in both its approach and work product. Unlike other UMP resources that provide recommended protocols for determining gross energy savings, this chapter describes and compares the current industry practices for determining net energy savings, but does not prescribe particular methods.

  7. The building as a power plant. Net plus energy building with e-mobility; Das Gebaeude als Kraftwerk. Netto-Plusenergiegebaeude mit E-Mobilitaet

    Energy Technology Data Exchange (ETDEWEB)

    Fisch, M. Norbert [Technische Univ. Braunschweig (Germany). Inst. fuer Gebaeude- und Solartechnik

    2011-07-01

    Energy designers do not consider the building technology isolated from the architecture. Instead, sustainable, functional and innovative solutions are developed in an integrated process with all persons involved. The user comfort, the overall energy efficiency, the selection of ecologically compatible materials as well as the relation between building and sustainable mobility belong to the context of holistic planning.

  8. Kerlinger's Research Myths: An Overview with Implications for Educational Researchers.

    Science.gov (United States)

    Daniel, Larry G.

    1997-01-01

    Gives an overview of three of the myths that F. N. Kerlinger (1959, 1960) identified as pervading educational research. Explores the myths of methods, practicality, and statistics, and analyzes the degree to which they have been overcome or still exist. (SLD)

  9. Myths and Sexual Child Abuse: Identification and Elimination.

    Science.gov (United States)

    Williams, Bradford G.

    1981-01-01

    Describes five myths and conditions associated with sexual child abuse. Suggests being aware of these myths helps counselors detect a problem. Stresses children and adults in unhealthy situations give clues to the problem. Urges counselors to free themselves from outdated beliefs that may prevent inquiry into sexual abuse. (JAC)

  10. Diamonds are forever: How myths can contribute to land ...

    African Journals Online (AJOL)

    One of the factors that is least explored but promises to shed light on our understanding of and tackling land degradation is myth and how myths motivate decisions made on the exploitation of land resources that result in land degradation. Using qualitative approaches in the study of land degradation caused by small-scale ...

  11. Contemporary African Relevance of the Genesis Creation Myth ...

    African Journals Online (AJOL)

    The book of Genesis contains two creation myths which have corollaries in the Igbo creation myth, as in other ethnic groups in Africa. This is particularly in the area of sanctity of life. The first Genesis creation mythexplicitly states that man was created in the image (Hebrew צֶלֶם ) of God, and after His likeness, (Genesis 1: ...

  12. Chinese Students in the U.S.: Myths and Reality.

    Science.gov (United States)

    Tang, Frank; Dunkelblau, Helene

    1998-01-01

    Dispels myths about Chinese-speaking students in U.S. schools, including myths about where Chinese students come from and what language they speak; difficulties they face when learning English; cultural influences on education; learning behavior and attitudes toward education; and parents' attitudes toward education. Emphasizes that Chinese…

  13. Cooking with one's Firewood: Myth as a Conflict Generator and ...

    African Journals Online (AJOL)

    Myth is one of the elements of folklore and its importance in the matrix of African culture can never be overemphasized. Myth which comprises of stories, tales and ideas that try to account about the origin of things and answer important questions about how certain phenomenon came into existence has become necessary ...

  14. Myths in African Concept of Historical Reality | Jaja | AFRREV IJAH ...

    African Journals Online (AJOL)

    Myths are accounts of the origin of societies and institutions not subject to rationalization but often used by historians and philosophers in their quest to study African history; for it is only thus that we can comprehend the various aspects of the continents history and culture. This paper examines the concept of myth in African ...

  15. Craving for Quality Education in Tanzania: Dispelling the Myths

    Science.gov (United States)

    Kalolo, John Fungulupembe

    2016-01-01

    There has been widespread concern about the provision of quality education (QE) for all learners in all contexts, but research evidence to inform this debate is quite divergent and in most of cases the question about achieving this desire seems to be full of myths. This paper examines a selection of embedded myths about QE in Tanzanian education…

  16. Myth and philosophy on stage in Platonic dialogues

    NARCIS (Netherlands)

    Tofighian, Omid

    2010-01-01

    This thesis consists of two components: first, I question and reposition the most dominant academic perspectives pertaining to the relationship between myth and philosophy; second, I analyze Plato’s use of myth to demonstrate my reevaluation of the issue by formulating and testing my own

  17. Rape Myth Acceptance, Sexual Trauma History, and Posttraumatic Stress Disorder

    Science.gov (United States)

    Baugher, Shannon N.; Elhai, Jon D.; Monroe, James R.; Gray, Matt J.

    2010-01-01

    The prediction of false rape-related beliefs (rape myth acceptance [RMA]) was examined using the Illinois Rape Myth Acceptance Scale (Payne, Lonsway, & Fitzgerald, 1999) among a nonclinical sample of 258 male and female college students. Predictor variables included measures of attitudes toward women, gender role identity (GRI), sexual trauma…

  18. Myth as a Biodiversity Conservation Strategy for the Vhavenda ...

    African Journals Online (AJOL)

    The use of myth and superstition is an integral part of indigenous communities in Africa. It is used as a traditional approach for sustainable use and management of natural resources. The use of myths has significantly played a role in preserving biodiversity in the traditional Vhavenda community. Certain trees are forbidden ...

  19. The Myth and Magic of "Star Wars": A Jungian Interpretation.

    Science.gov (United States)

    Phipps, Maurice

    The "Star Wars" trilogy is a fairy tale projected into the future which exemplifies in a clear-cut manner many of the archetypes of Jungian psychology. These films are modern retellings of ancient myths. Carl Jung has described myths as "fundamental expressions of human nature." In the films, fairy tale motifs such as typical…

  20. Dinosaur Discourses: Taking Stock of Gendered Learning Myths

    Science.gov (United States)

    Paule, Michele

    2015-01-01

    The persistence of gendered learning myths in educational contexts and the wider imaginary continues to trouble feminist educational researchers and practitioners. The tracing of such myths and the categories they create through authoritative and elite discourses of the past suggests how they have functioned across different fields to preserve a…

  1. Combining Ricoeur and Bultmann on myth and demythologising ...

    African Journals Online (AJOL)

    A previous article investigated Ricoeur's stance on myth and demythologising. The intersection of Ricoeur and Bultmann's work in this field was noted and a future comparison was envisaged with a view to a possible merger. This study is a follow-up and proposes a way in which Ricoeur and Bultmann's views on myth and ...

  2. Mental Game Myths and Tips for Coaches and Athletes

    Science.gov (United States)

    Vealey, Robin S.

    2015-01-01

    What often seems intuitive and well-meaning as a mental game strategy may be ineffective or detrimental to athletes, based on the evolution of knowledge in sport psychology. This article describes three popular ideas about the mental game and identifies them as myths, based on experience and research. These myths are (1) mental training should…

  3. Pro NET Best Practices

    CERN Document Server

    Ritchie, Stephen D

    2011-01-01

    Pro .NET Best Practices is a practical reference to the best practices that you can apply to your .NET projects today. You will learn standards, techniques, and conventions that are sharply focused, realistic and helpful for achieving results, steering clear of unproven, idealistic, and impractical recommendations. Pro .NET Best Practices covers a broad range of practices and principles that development experts agree are the right ways to develop software, which includes continuous integration, automated testing, automated deployment, and code analysis. Whether the solution is from a free and

  4. Instant Lucene.NET

    CERN Document Server

    Heydt, Michael

    2013-01-01

    Filled with practical, step-by-step instructions and clear explanations for the most important and useful tasks. A step-by-step guide that helps you to index, search, and retrieve unstructured data with the help of Lucene.NET.Instant Lucene.NET How-to is essential for developers new to Lucene and Lucene.NET who are looking to get an immediate foundational understanding of how to use the library in their application. It's assumed you have programming experience in C# already, but not that you have experience with search techniques such as information retrieval theory (although there will be a l

  5. Daily Feed Intake, Energy Intake, Growth Rate and Measures of Dietary Energy Efficiency of Pigs from Four Sire Lines Fed Diets with High or Low Metabolizable and Net Energy Concentrations

    Directory of Open Access Journals (Sweden)

    A. P. Schinckel

    2012-03-01

    Full Text Available A trial was conducted to: i evaluate the BW growth, energy intakes and energetic efficiency of pigs fed high and low density diets from 27 to 141 kg BW, ii evaluate sire line and sex differences when fed both diets, and iii to compare ME to NE as predictor of pig performance. The experiment had a replicated factorial arrangement of treatments including four sire lines, two sexes (2,192 barrows and 2,280 gilts, two dietary energy densities and a light or heavy target BW, 118 and 131.5 kg in replicates 1 to 6 and 127 and 140.6 kg in replicates 7 to 10. Pigs were allocated to a series of low energy (LE, 3.27 Mcal ME/kg corn-soybean meal based diets with 16% wheat midds or high energy diets (HE, 3.53 to 3.55 Mcal ME/kg with 4.5 to 4.95% choice white grease. All diets contained 6% DDGS. The HE and LE diets of each of the four phases were formulated to have equal lysine:Mcal ME ratios. Pigs were weighed and pen feed intake (11 or 12 pigs/pen recorded at 28-d intervals. The barrow and gilt daily feed (DFI, ME (MEI and NE (NEI intake data were fitted to a Bridges function of BW. The BW data of each sex were fitted to a generalized Michaelis-Menten function of days of age. ME and NE required for maintenance (Mcal/d were predicted using functions of BW (0.255 and 0.179 BW^0.60 respectively. Pigs fed LE diets had decreased ADG (915 vs. 945 g/d, p<0.001 than pigs fed HE diets. Overall, DFI was greater (p<0.001 for pigs fed the LE diets (2.62 vs. 2.45 kg/d. However, no diet differences were observed for MEI (8.76 vs. 8.78 Mcal/d, p = 0.49 or NEI (6.39 vs. 6.44 Mcal/d, p = 0.13, thereby indicating that the pigs compensated for the decreased energy content of the diet. Overall ADG:DFI (0.362 vs. 0.377 and ADG:Mcal MEI (0.109 vs. 0.113 was less (p<0.001 for pigs fed LE compared to HE diets. Pigs fed HE diets had 3.6% greater ADG:Mcal MEI above maintenance and only 1.3% greater ADG:Mcal NEI (0.152 versus 0.150, therefore NEI is a more accurate predictor of

  6. The "Beauty Myth" Is No Myth : Emphasis on Male-Female Attractiveness in World Folktales.

    Science.gov (United States)

    Gottschall, Jonathan

    2008-06-01

    The phenomenon of apparently greater emphasis on human female physical attractiveness has spawned an array of explanatory responses, but the great majority can be broadly categorized as either evolutionary or social constructivist in nature. Both perspectives generate distinct and testable predictions. If, as Naomi Wolf (The beauty myth: How images of female beauty are used against women. New York: William Morrow, [originally published in 1991], 2002) and others have argued, greater emphasis on female attractiveness is part of a predominantly Western "beauty myth," then an analysis of a culturally diverse sample should reveal marked fluctuation in gendered attractiveness emphasis: there should be significant numbers of cultures in which male and female attractiveness are equally emphasized, and cultures in which male attractiveness receives more emphasis. On the other hand, an evolutionary perspective suggests that disproportionate emphasis on female attractiveness will be a universal or near-universal phenomenon. To test these hypotheses, we tallied references to male versus female attractiveness in 90 collections of traditional folktales from 13 diverse cultural areas. The results are consistent with the evolutionary predictions and inconsistent with the constructivist predictions. Across culture areas information on physical attractiveness was much more likely to be conveyed for female characters. Together with other recent studies, these results suggest that the main elements of the beauty myth are not myths: there are large areas of overlap in the attractiveness judgments of diverse populations, and cross-cultural emphasis on physical attractiveness appears to fall principally upon women.

  7. PhysioNet

    Data.gov (United States)

    U.S. Department of Health & Human Services — The PhysioNet Resource is intended to stimulate current research and new investigations in the study of complex biomedical and physiologic signals. It offers free...

  8. NetSig

    DEFF Research Database (Denmark)

    Horn, Heiko; Lawrence, Michael S; Chouinard, Candace R

    2018-01-01

    Methods that integrate molecular network information and tumor genome data could complement gene-based statistical tests to identify likely new cancer genes; but such approaches are challenging to validate at scale, and their predictive value remains unclear. We developed a robust statistic (Net......Sig) that integrates protein interaction networks with data from 4,742 tumor exomes. NetSig can accurately classify known driver genes in 60% of tested tumor types and predicts 62 new driver candidates. Using a quantitative experimental framework to determine in vivo tumorigenic potential in mice, we found that Net......Sig candidates induce tumors at rates that are comparable to those of known oncogenes and are ten-fold higher than those of random genes. By reanalyzing nine tumor-inducing NetSig candidates in 242 patients with oncogene-negative lung adenocarcinomas, we find that two (AKT2 and TFDP2) are significantly amplified...

  9. TideNet

    Science.gov (United States)

    2015-10-30

    query tide data sources in a desired geographic region of USA and its territories (Figure 1). Users can select a tide data source through the Google Map ...select data sources according to the desired geographic region. It uses the Google Map interface to display data from different sources. Recent...Coastal Inlets Research Program TideNet The TideNet is a web-based Graphical User Interface (GUI) that provides users with GIS mapping tools to

  10. Building Neural Net Software

    OpenAIRE

    Neto, João Pedro; Costa, José Félix

    1999-01-01

    In a recent paper [Neto et al. 97] we showed that programming languages can be translated on recurrent (analog, rational weighted) neural nets. The goal was not efficiency but simplicity. Indeed we used a number-theoretic approach to machine programming, where (integer) numbers were coded in a unary fashion, introducing a exponential slow down in the computations, with respect to a two-symbol tape Turing machine. Implementation of programming languages in neural nets turns to be not only theo...

  11. Interaction Nets in Russian

    OpenAIRE

    Salikhmetov, Anton

    2013-01-01

    Draft translation to Russian of Chapter 7, Interaction-Based Models of Computation, from Models of Computation: An Introduction to Computability Theory by Maribel Fernandez. "In this chapter, we study interaction nets, a model of computation that can be seen as a representative of a class of models based on the notion of 'computation as interaction'. Interaction nets are a graphical model of computation devised by Yves Lafont in 1990 as a generalisation of the proof structures of linear logic...

  12. Programming NET 35

    CERN Document Server

    Liberty, Jesse

    2009-01-01

    Bestselling author Jesse Liberty and industry expert Alex Horovitz uncover the common threads that unite the .NET 3.5 technologies, so you can benefit from the best practices and architectural patterns baked into the new Microsoft frameworks. The book offers a Grand Tour" of .NET 3.5 that describes how the principal technologies can be used together, with Ajax, to build modern n-tier and service-oriented applications. "

  13. Net Zero Ft. Carson: making a greener Army base

    Science.gov (United States)

    The US Army Net Zero program seeks to reduce the energy, water, and waste footprint of bases. Seventeen pilot bases aim to achieve 100% renewable energy, zero depletion of water resources, and/or zero waste to landfill by 2020. Some bases are pursuing Net Zero in a single secto...

  14. Achieving a Net Zero Energy Retrofit – in a humid, temperate climate – lessons from the University of Hawai’i at Mānoa

    Energy Technology Data Exchange (ETDEWEB)

    Regnier, Cindy [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Harding, Ari [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Robinson, Alastair [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

    2015-07-01

    The University of Hawai’i at Mānoa (UHM) partnered with the US Department of Energy (DOE) and the Hawai`i Clean Energy Initiative to develop and implement solutions to retrofit exiting buildings to reduce energy consumption by at least 30% as part of DOE’s Commercial Building Partnerships (CBP) Program1. Kuykendall Hall, located on the UHM campus in Honolulu, was the focus of a CBP analysis and design collaboration among the University of Hawai’i, their consultants, and Lawrence Berkeley National Laboratory (LBNL). Kuykendall Hall consists of two 1960s-era wings – a four-story wing containing classrooms, and a seven-story tower containing offices – with a total floor area of approximately 76,000 square feet (ft²).

  15. Developments in greenhouse gas emissions and net energy use in Danish agriculture - How to achieve substantial CO{sub 2} reductions?

    Energy Technology Data Exchange (ETDEWEB)

    Dalgaard, T., E-mail: tommy.dalgaard@agrsci.dk [Aarhus University, Department of Agroecology, Blichers Alle 20, P.O. Box 50, DK-8830 Tjele (Denmark); Olesen, J.E.; Petersen, S.O.; Petersen, B.M.; Jorgensen, U.; Kristensen, T.; Hutchings, N.J. [Aarhus University, Department of Agroecology, Blichers Alle 20, P.O. Box 50, DK-8830 Tjele (Denmark); Gyldenkaerne, S. [Aarhus University, National Environmental Research Institute, Frederiksborgvej 399, DK-4000 Roskilde (Denmark); Hermansen, J.E. [Aarhus University, Department of Agroecology, Blichers Alle 20, P.O. Box 50, DK-8830 Tjele (Denmark)

    2011-11-15

    Greenhouse gas (GHG) emissions from agriculture are a significant contributor to total Danish emissions. Consequently, much effort is currently given to the exploration of potential strategies to reduce agricultural emissions. This paper presents results from a study estimating agricultural GHG emissions in the form of methane, nitrous oxide and carbon dioxide (including carbon sources and sinks, and the impact of energy consumption/bioenergy production) from Danish agriculture in the years 1990-2010. An analysis of possible measures to reduce the GHG emissions indicated that a 50-70% reduction of agricultural emissions by 2050 relative to 1990 is achievable, including mitigation measures in relation to the handling of manure and fertilisers, optimization of animal feeding, cropping practices, and land use changes with more organic farming, afforestation and energy crops. In addition, the bioenergy production may be increased significantly without reducing the food production, whereby Danish agriculture could achieve a positive energy balance. - Highlights: > GHG emissions from Danish agriculture 1990-2010 are calculated, including carbon sequestration. > Effects of measures to further reduce GHG emissions are listed. > Land use scenarios for a substantially reduced GHG emission by 2050 are presented. > A 50-70% reduction of agricultural emissions by 2050 relative to 1990 is achievable. > Via bioenergy production Danish agriculture could achieve a positive energy balance. - Scenario studies of greenhouse gas mitigation measures illustrate the possible realization of CO{sub 2} reductions for Danish agriculture by 2050, sustaining current food production.

  16. Discovery of Stationary Operation of Quiescent H-mode Plasmas with Net-Zero NBI Torque and High Energy Confinement on DIII-D

    Science.gov (United States)

    Burrell, Keith

    2015-11-01

    Experiments this summer in DIII-D have used edge turbulence control to achieve stationary, high confinement operation without Edge Localized Mode (ELM) instabilities and with no external torque input. Eliminating the ELM-induced heat bursts and controlling plasma stability at low rotation represent two of the great challenges for fusion energy. By exploiting edge turbulence in a novel manner, we achieved outstanding tokamak performance, well above the H98 international tokamak energy confinement scaling (H98 =1.25), thus meeting an additional confinement challenge that is usually difficult at low torque. The new regime is triggered in double null plasmas by ramping the injected torque to zero and then maintaining it there. This lowers ExB rotation shear in the plasma edge, allowing low-k, broadband, electromagnetic turbulence to increase. In the H-mode edge, a narrow transport barrier usually grows until MHD instability (a peeling ballooning mode) leads to the ELM heat burst. However, the increased turbulence reduces the pressure gradient, allowing the development of a broader and thus higher transport barrier. A 60% increase in pedestal pressure and 40% increase in energy confinement result. Strong double-null plasma shaping raises the threshold for the ELM instability, allowing the plasma to reach a transport-limited state near but below the explosive ELM stability boundary. The resulting plasmas have burning-plasma-relevant betan =1.6-1.8 and run without the need for extra torque from 3D magnetic fields. To date, stationary conditions have been produced for 2 s or 12 energy confinement times, limited only by external hardware constraints. Stationary operation with improved pedestal conditions is highly significant for future burning plasma devices, since operation without ELMs at low rotation and good confinement is key for fusion energy production. Supported by the US DOE under DE-FC02-04ER54698.

  17. Clinical vampirism: blending myth and reality.

    Science.gov (United States)

    Jaffé, P D; DiCataldo, F

    1994-01-01

    Vampires arouse strong popular interest and attract large print and film audiences. Their influence is also notable in clinical vampirism, a rare condition described in the forensic literature covering some of humanity's most shocking behaviors. Definitions of vampirism involve aspects of necrophilia, sadism, cannibalism, and a fascination with blood. Its relationships with established diagnostic categories, particularly schizophrenia and psychopathy, are also examined and illustrated by the presentation of a "modern" vampire. As myth and reality are disentangled, clinical vampirism reveals the complex mother-child dyad's blood ties running amok.

  18. The Myths and Realities of Hemochromatosis

    Directory of Open Access Journals (Sweden)

    Melanie D Beaton

    2007-01-01

    Full Text Available Hemochromatosis is a common genetic condition and yet there are still a number of misperceptions surrounding the diagnosis and management of this condition. Hemochromatosis affects both men and women. Typical patients do not have alcoholism or viral hepatitis, and often have normal liver enzymes. Clinical expression is highly variable. Genetic testing is widely available and particularly useful in family studies. Hemochromatosis can be readily diagnosed and treated. The purpose of the present review is to address the medical myths and misconceptions of hemochromatosis.

  19. 10 myths of healthcare business valuation.

    Science.gov (United States)

    Robeson, J David; Kaplan, Karin Chernoff

    2008-10-01

    *Acceptance of common myths regarding business valuations can undermine a hospital's efforts to successfully negotiate deals with physicians. *Hospitals need to clearly understand the nature of fair market value (FMV), the use of multiples, the "guideline company technique," whether the FMV can be based on acute care revenue stream, the physician compensation model used in the valuation, and the applicability of the physician's historical production level. *Other matters that warrant careful consideration include whether to tax effect, whether to pay for goodwill, and whether obsolescence can be accounted for in the valuation.

  20. The 2016 Presidential Election: Reality vs. Myths.

    Science.gov (United States)

    Gardner, Deborah B

    2016-01-01

    Politics in a democracy requires governance through debate. Nurses are an important part of the voting public and we need to assess our own anger, expectations, and values for this election. Recognizing four myths during this election season can improve the political conversation. This conversation must acknowledge different groups, interests, and opinions and then seek ways to balance or reconcile those interests. Using this as a mental model to define our politics rather than succumbing to divisive rhetoric, we can take a major step toward building a better political system.

  1. The myth of the state, or the state's religious legitimation

    Directory of Open Access Journals (Sweden)

    Carl-Martin Edsman

    1972-01-01

    Full Text Available The myth of the state is used for legitimating certain actions. For example, the ideologist of National Socialism, A. Rosenberg, used the term myth for the belief or conception of life which was to sustain the new state. The Third Reich's myth was the superiority and glory of the Aryan' race. In addition, Hitler compared the requisite official ideology or philosophy to a religion. It must be intolerant like a religion; it demanded total submission, organization and devotion to struggle. Even Hitler's comrade in arms, Mussolini, used similar language, although the substance was partially different. Thus in a speech at Naples in 1922, Mussolini said: "We have created our myth. The myth is a faith, it is passion. It is not necessary that it shall be a reality. It is a reality by the fact that it is a goad, a hope, a faith, that it is courage. Our myth is the nation, our myth is the greatness of the nation ! In the Third World, besides native traditions, there are ideas taken from the Christian or secularized West. The first type of appropriation may have taken place long ago or in our own time. Within Islam, an offshoot from Judaism and Christianity, the theocratic consciousness is highly evident. The holder of political power is the instrument of God and shall therefore be obeyed. The ruler, on the other hand, shall consult his subjects, and the believers shall do the same among themselves and assist each other in word and deed.

  2. Net Energy, CO2 Emission and Land-Based Cost-Benefit Analyses of Jatropha Biodiesel: A Case Study of the Panzhihua Region of Sichuan Province in China

    Directory of Open Access Journals (Sweden)

    Xiangzheng Deng

    2012-06-01

    Full Text Available Bioenergy is currently regarded as a renewable energy source with a high growth potential. Forest-based biodiesel, with the significant advantage of not competing with grain production on cultivated land, has been considered as a promising substitute for diesel fuel by many countries, including China. Consequently, extracting biodiesel from Jatropha curcas has become a growing industry. However, many key issues related to the development of this industry are still not fully resolved and the prospects for this industry are complicated. The aim of this paper is to evaluate the net energy, CO2 emission, and cost efficiency of Jatropha biodiesel as a substitute fuel in China to help resolve some of the key issues by studying data from this region of China that is well suited to growing Jatropha. Our results show that: (1 Jatropha biodiesel is preferable for global warming mitigation over diesel fuel in terms of the carbon sink during Jatropha tree growth. (2 The net energy yield of Jatropha biodiesel is much lower than that of fossil fuel, induced by the high energy consumption during Jatropha plantation establishment and the conversion from seed oil to diesel fuel step. Therefore, the energy efficiencies of the production of Jatropha and its conversion to biodiesel need to be improved. (3 Due to current low profit and high risk in the study area, farmers have little incentive to continue or increase Jatropha production. (4 It is necessary to provide more subsidies and preferential policies for Jatropha plantations if this industry is to grow. It is also necessary for local government to set realistic objectives and make rational plans to choose proper sites for Jatropha biodiesel development and the work reported here should assist that effort. Future research focused on breading high-yield varieties, development of efficient field

  3. Gender-Blind Sexism and Rape Myth Acceptance.

    Science.gov (United States)

    Stoll, Laurie Cooper; Lilley, Terry Glenn; Pinter, Kelly

    2017-01-01

    The purpose of this article is to explore whether gender-blind sexism, as an extension of Bonilla-Silva's racialized social system theory, is an appropriate theoretical framework for understanding the creation and continued prevalence of rape myth acceptance. Specifically, we hypothesize that individuals who hold attitudes consistent with the frames of gender-blind sexism are more likely to accept common rape myths. Data for this article come from an online survey administered to the entire undergraduate student body at a large Midwestern institution (N = 1,401). Regression analysis showed strong support for the effects of gender-blind sexism on rape myth acceptance. © The Author(s) 2016.

  4. Remembering myth and ritual in the everyday tectonics of hospitals

    DEFF Research Database (Denmark)

    Tvedebrink, Tenna Doktor Olsen

    2015-01-01

    emphasis on both the physical construction and mental construing of architecture. With this dual perspective Frascari established a discourse in tectonic thinking which brings the tectonic expression beyond structural genius into socio-cultural realms of storytelling, myth and ritual. However, in everyday...... and the realms of storytelling, myth and ritual are also important ethical aims of architectural construction, because they are crucial for what we experience, feel, and remember in our everyday life. Relative hereto, I suggest that the focus on structural genius is unfolded to investigate how myths and rituals...

  5. Fibroadenoma in the male breast: Truth or Myth?

    Science.gov (United States)

    Agarwal, Puneet; Kohli, Gaurav

    2016-01-01

    Truth or myth is seldom encountered in the practice of surgery, especially in cases of breast diseases. Yet, even after thousands of years of treating breast disease by surgeons/healers, fibroadenoma in the male breast seems to be a myth, due to the absence of fibro-glandular tissue. We wish to break this myth by our own experience as well as other studies by others all over the world, and unveil the truth that fibroadenoma in the male breast is a definitive entity and has a prevalence among the vast spectrum of breast diseases.

  6. Myths about older people's use of information and communication technology.

    Science.gov (United States)

    Wandke, Hartmut; Sengpiel, Michael; Sönksen, Malte

    2012-01-01

    This paper discusses six myths common in the field of 'human-computer interaction (HCI) and older people'. These myths are widespread among computer scientists, engineers and programmers, as well as among the general public and even older individuals themselves. We can define these myths as follows. (1) Just wait and see. Future generations of older people will use computers without problems. This myth differs from those following, as it may lead to a (dangerous) conclusion of avoidance and inactivity by integrating myths 2-6. If the other myths are accepted as being true and one assumes that the problems will eventually solve themselves, it might not seem worthwhile to expend any effort on 'universal design' for older people's use of information and communication technology (ICT). However, we argue that if we do not actively and properly counteract these myths, we will perpetuate them and their grave consequences. (2) Older people are not interested in using computers. They are unaware of computer capabilities. (3) Older people consider computers as useless and unnecessary. (4) Older people lack the physical capabilities to use ICT. (5) Older people simply cannot understand interactive computing technology. (6) You can't teach an old dog new tricks. The problem of HCI for older people is that they do not learn to use new technologies and interaction techniques. In discussing these myths, we demonstrate that each one contains a grain of truth. However, the myths are improperly overgeneralized and, therefore, often wrong. Such myths are problematic. Designers and engineers often accept them as truths and neglect older users and/or apply information and communication technologies in an age-discriminating manner. Furthermore, the myths are problematic as they lead older people to avoid computer usage (i.e. a self-fulfilling prophecy). We present evidence to support the notion that these myths may often be largely - although not completely - wrong. We then demonstrate

  7. Onions, myths, beliefs, fashion and reality in asthma.

    Science.gov (United States)

    Martínez-Gimeno, A

    2009-01-01

    Some myths and unsupported beliefs about asthma are very popular and enjoy general public acceptance and fairly strong support on the Internet. Onions for cough; dairy products avoidance for asthma; and some other popular myths are reviewed, along with some other medical and mixed (popular and medical) myths comparing their popular and scientific support. Classifying medical statements as realities or unsupported beliefs is a hard and serious work nowadays addressed by Evidence Based Medicine methods, which are not devoid of the influence of medical fashion: the medical community is more prone to accept fashionable statements compared to non-fashionable or old-fashioned statements.

  8. La plataforma .NET

    OpenAIRE

    Fornas Estrada, Miquel

    2008-01-01

    L'aparició de la plataforma .NET Framework ha suposat un canvi molt important en la forma de crear i distribuir aplicacions, degut a que incorpora una sèrie d'innovacions tècniques i productives que simplifiquen molt les tasques necessàries per desenvolupar un projecte. La aparición de la plataforma. NET Framework ha supuesto un cambio muy importante en la forma de crear y distribuir aplicaciones, debido a que incorpora una serie de innovaciones técnicas y productivas que simplifican mucho...

  9. Biological Petri Nets

    CERN Document Server

    Wingender, E

    2011-01-01

    It was suggested some years ago that Petri nets might be well suited to modeling metabolic networks, overcoming some of the limitations encountered by the use of systems employing ODEs (ordinary differential equations). Much work has been done since then which confirms this and demonstrates the usefulness of this concept for systems biology. Petri net technology is not only intuitively understood by scientists trained in the life sciences, it also has a robust mathematical foundation and provides the required degree of flexibility. As a result it appears to be a very promising approach to mode

  10. Myths and realities of electronics maintenance.

    Science.gov (United States)

    Harris, Douglas H

    2008-06-01

    The author presents and discusses discoveries and developments contributing to enhanced electronics maintenance performance. This body of research is viewed from the vantage point of Nick Bond's 1970 Ely Award-winning article in Human Factors, "Some Persistent Myths About Military Electronics Maintenance." Bond identified a set of myths and summarized research that not only produced information and techniques leading to demonstrably improved maintenance performance but also exploded many unfounded beliefs that were commonly held before the research had been conducted and the findings disseminated. The period from 1964 through 1986, as reflected by publications in the journal, was a productive period of research that led to greater understanding of human factors in electronics maintenance and to numerous advances that contributed, ultimately, to more effective maintenance performance. Technological advances, combined with what we learned about maintenance performance, have substantially reduced the maintenance burden and enhanced the maintenance of electronic systems. Some of the principal lessons learned from this research on electronics maintenance apply to understanding the effects of equipment complexity, providing an optimal role for automation, designing more appropriate on-the-job training, and enhancing troubleshooting skills.

  11. Richard's back: death, scoliosis and myth making.

    Science.gov (United States)

    Lund, Mary Ann

    2015-12-01

    The body of a mediaeval monarch was always under scrutiny, and Richard III's was no exception. In death, however, his body became subject to new forms of examination and interpretation: stripped naked after the battle of Bosworth, his corpse was carried to Leicester and exhibited before being buried. In 2012, it was rediscovered. The revelation that Richard suffered from scoliosis prompts this article to re-evaluate the historical sources about Richard's physique and his posthumous reputation. This article argues that Richard's death and his myth as 'crookback' are inextricably linked and traces attitudes to spinal curvature in the early modern period. It also considers how Shakespeare represented Richard as deformed, and aspects of performance history which suggest physical vulnerability. It then considers Richard's scoliosis from the perspective of medical history, reviewing classical accounts of scoliosis and arguing that Richard was probably treated with a mixture of axial traction and pressure. It demonstrates from the evidence of Richard's medical household that he was well placed to receive hands-on therapies and considers in particular the role of his physician and surgeon, William Hobbes. Finally, it shows how the case of Richard III demonstrates the close relationship between politics and medicine in the period and the contorted process of historical myth making. Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/

  12. Six myths about mathematical modeling in geomorphology

    Science.gov (United States)

    Bras, Rafael L.; Tucker, Gregory E.; Teles, Vanessa

    Geomorphologists, geologists and hydrologists have always used models. Unfortunately an artificial schism between modelers and experimentalists (or "observationalists") commonly exists in our fields. This schism is founded on bias, misinterpretation, and myth. The schism is perpetuated by misuse and misrepresentation of data and models. In this paper we have tried to address six of those myths and illustrate, mostly with our experiences, why we think mathematical models are useful and necessary tools of the trade. First we argue for a broad definition of "physical" models. Mechanistic rigor is not always possible or the best approach to problems. Second, verification is impossible given that reality is imperfectly known. We can strive for some level of confirmation of model behavior and this confirmation must generally be of statistical, distributional, nature. Third we give examples of how even unconfirmed models can be useful tools. Fourth, examples are given of rejected models, in a sense "failures," that have advanced our knowledge and led us to discoveries. Fifth, models should become progressively more complex, but this complexity commonly results in simple outcomes. Finally, the best models are those with outputs that challenge preconceived ideas. Modeling, including mathematical modeling, is a necessary tool of field researchers and theorists alike.

  13. Market Myths and Facts - the Ontario Context

    Energy Technology Data Exchange (ETDEWEB)

    Dorey, S.

    2007-07-01

    The world has learned much about electricity markets and what they can and can't do over the past few years, but some myths persist. Why they persist is a subject for those who study politics, interests and influence. This paper provides a perspective on myths which have affected the reliable and economic delivery of electricity to customers, particularly with respect to transmission. Hydro One effectively provides the transmission network for the Province of Ontario, Canada. As Hydro One is a wires company, the paper is not intended to address the issues which affect the generation or conservation sectors of the industry, except where they directly relate to the wires. The proposition of this paper is that electricity transmission is best treated as an essential public good. Transmission as a market participant and a traded commodity has generally not worked with respect to assuring that the system continues to be developed to meet the basic need of customers for reliable and affordable electricity. (auth)

  14. The myth of the Humanities in crisis

    Directory of Open Access Journals (Sweden)

    Josep Maria Terricabras

    2004-04-01

    Full Text Available Denying from the start that Humanities are in crisis, the author examines certain aspects of this statement, reflecting on what is meant by stating that the Humanities are in crisis, arguing for the growing interest in human sciences and looking more closely at the concept of myth and its use. From this basis, he examines the aim of this myth of the crisis in Humanities and reaches the conclusion that it may be used to discredit the Humanities as a knowledge system that stands alone and to subordinate them to science and technology and the principles of use and profitability controlled by power.Faced with this, Terricabras wonders how the debate on Humanities can be opened today whilst avoiding the error of identifying the Humanities in terms of the arts and creating conflict between the arts and the sciences, given that society, as it becomes more scientific and technological, needs more study into language, communication, history, philosophy, ethics, etc. This line of thought brings us ultimately to his recommending that, in contrary to the prejudices of specialisation, global understanding and a humanistic education be proposed which does not exclude mathematics, physics, biology or technology, as it is in the interrelation and the understanding of the difference that we can reencounter the sense of humanity.

  15. Testosterone therapy in women: myths and misconceptions.

    Science.gov (United States)

    Glaser, Rebecca; Dimitrakakis, Constantine

    2013-03-01

    Although testosterone therapy is being increasingly prescribed for men, there remain many questions and concerns about testosterone (T) and in particular, T therapy in women. A literature search was performed to elucidate the origin of, and scientific basis behind many of the concerns and assumptions about T and T therapy in women. This paper refutes 10 common myths and misconceptions, and provides evidence to support what is physiologically plausible and scientifically evident: T is the most abundant biologically active female hormone, T is essential for physical and mental health in women, T is not masculinizing, T does not cause hoarseness, T increases scalp hair growth, T is cardiac protective, parenteral T does not adversely affect the liver or increase clotting factors, T is mood stabilizing and does not increase aggression, T is breast protective, and the safety of T therapy in women is under research and being established. Abandoning myths, misconceptions and unfounded concerns about T and T therapy in women will enable physicians to provide evidenced based recommendations and appropriate therapy. Copyright © 2013 Elsevier Ireland Ltd. All rights reserved.

  16. Earthquake scaling characteristics and the scale-(in)dependence of seismic energy-to-moment ratio: Insights from KiK-net data in Japan

    Science.gov (United States)

    Oth, Adrien; Bindi, Dino; Parolai, Stefano; Di Giacomo, Domenico

    2010-10-01

    We investigate earthquake source characteristics and scaling properties using the results of a spectral inversion of more than 29,000 accelerometric borehole recordings from 1,826 earthquakes (MJMA 2.7-8) throughout Japan. We find that the calculated source spectra can be well characterized by the omega-square model and show on average self-similar scaling over the entire magnitude range, with median stress drops of 1.1 and 9.2 MPa for crustal and subcrustal events, respectively. The seismic energy-to-moment ratio, as theoretically expected if the omega-square model is valid, shows a strong dependency on stress drop only, which, in conjunction with data selection practice in some studies to cope with limited recording bandwidth, can explain the often observed apparent scale-dependence. Our observations suggest that there is no significant deviation from similarity of the energy radiation in the investigated magnitude range and that the observed scatter is mainly related to the scatter in stress drop.

  17. Adaption of the power distribution system to a sustainable energy system - Smart meters and intelligent nets; Anpassning av elnaeten, till ett uthaalligt energisystem - Smarta maetare och intelligenta naet

    Energy Technology Data Exchange (ETDEWEB)

    Bollen, Math

    2010-11-15

    The conversion of the energy system towards sustainability is a major challenge for society. The conversion includes a large-scale introduction of renewable electricity and the electrification of transport. Adaptations of the grid are needed in order to cope with this development: - Facilitate an increased introduction of renewable electricity; - Enabling power reduction at peak load; - Improve incentives for energy efficiency; - Creating conditions for more active purchasers of electricity. Security of supply must be high, although the new production affects the electricity grid in a different way than today. Therefore, new technical solutions, a so-called smart grid, is necessary in order to, inter alia, prevent congestion and over voltages, but also to enhance the operational safety in general. There is new technology that can help adjust the grid in an efficient and flexible way. Intelligent networks, or smart grids, is the collection of new technology, function and regulatory framework in the electricity market, etc. that cost-effectively facilitate introduction and utilization of renewable electricity generation, leading to reduced energy consumption, contributes to power reduction in peak load and creates conditions for active electricity customers. Sweden is one of the countries that score high in terms of active electricity customers and feedback of consumption for electricity customers. There is a direct consequence of introduction of the metering reform and installation of the AMR, in which Sweden was one of the first countries in Europe. As for modern technology to increase transmission capacity of transmission networks such as HVDC and FACTS technology, Sweden is a world leader. This technology will play an important role in enabling large-scale use of renewable electricity generation on European level. The investigation has resulted in the following proposals: - A knowledge platform created to be collect and disseminate relevant knowledge of research

  18. Petri Nets-Applications

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education; Volume 4; Issue 9. Petri Nets - Applications. Y Narahari. General Article Volume 4 Issue 9 September 1999 pp 44-52. Fulltext. Click here to view fulltext PDF. Permanent link: http://www.ias.ac.in/article/fulltext/reso/004/09/0044-0052. Author Affiliations. Y Narahari ...

  19. Safety nets or straitjackets?

    DEFF Research Database (Denmark)

    Ilsøe, Anna

    2012-01-01

    Does regulation of working hours at national and sector level impose straitjackets, or offer safety nets to employees seeking working time flexibility? This article compares legislation and collective agreements in the metal industries of Denmark, Germany and the USA. The industry has historically...

  20. Coloured Petri Nets

    CERN Document Server

    Jensen, Kurt

    2009-01-01

    Coloured Petri Nets (CPN) is a graphical language for modelling and validating concurrent and distributed systems, and other systems in which concurrency plays a major role. This book introduces the constructs of the CPN modelling language and presents the related analysis methods. It provides a comprehensive road map for the practical use of CPN.

  1. Boom Booom Net Radio

    DEFF Research Database (Denmark)

    Grimshaw, Mark Nicholas; Yong, Louisa; Dobie, Ian

    1999-01-01

    of an existing Internet radio station; Boom Booom Net Radio. Whilst necessity dictates some use of technology-related terminology, wherever possible we have endeavoured to keep such jargon to a minimum and to either explain it in the text or to provide further explanation in the appended glossary....

  2. Game Theory .net.

    Science.gov (United States)

    Shor, Mikhael

    2003-01-01

    States making game theory relevant and accessible to students is challenging. Describes the primary goal of GameTheory.net is to provide interactive teaching tools. Indicates the site strives to unite educators from economics, political and computer science, and ecology by providing a repository of lecture notes and tests for courses using…

  3. Coloured Petri Nets

    DEFF Research Database (Denmark)

    Jensen, Kurt; Kristensen, Lars Michael

    Coloured Petri Nets (CPN) is a graphical language for modelling and validating concurrent and distributed systems, and other systems in which concurrency plays a major role. The development of such systems is particularly challenging because of inherent intricacies like possible nondeterminism...

  4. Mythe et chant rituel chez les Sharanahua Sharanahua myths and ritual chants

    Directory of Open Access Journals (Sweden)

    Pierre Déléage

    2010-09-01

    Full Text Available Le problème des relations qu’entretiennent les mythes et les rituels est ici réévalué à partir d’une perspective linguistique et épistémologique. Un mythe et un chant chamanique sharanahua (Amazonie occidentale partageant un même contenu narratif sont comparés de manière détaillée. On y observe à l’œuvre trois procédés de « ritualisation » du discours mythique : une structuration poétique du langage, une opacification du lexique et une modification du marquage évidentiel des énoncés. L’étude de chacune de ces techniques offre un aperçu sur les différentes règles d’usage de ces deux savoirs traditionnels. Ce résultat constitue un premier pas dans l’élaboration d’une théorie des conditions de transmission du savoir traditionnel.The problem of the relationship between myths and rituals is re-evaluated from a linguistic and epistemological perspective. A myth and a chant (of the shamanic Sharanahua of Occidental Amazonia, sharing the same narrative content are compared in a detailed manner. One observes in them the workings of three processes of mythical discourse “ritualisation”: a poetic structuring of language, an opacification of the lexicon and a modification of the wordings’ evidential marking. Studying each of these techniques offers a glimpse of the different usage rules applying to these two types of traditional knowledge. This result constitutes a first step in the elaboration of a theory of traditional knowledge transmission conditions.

  5. Níveis de energia líquida e ractopamina para leitoas em terminação sob conforto térmico Net energy and ractopamine levels for finishing gilts under thermal comfort

    Directory of Open Access Journals (Sweden)

    Mariana Souza de Moura

    2011-09-01

    Full Text Available Objetivou-se com este estudo avaliar níveis de energia líquida e ractopamina em dietas para leitoas em terminação sob conforto térmico. Foram utilizadas 40 leitoas com peso inicial de 67,4 ± 3,4 kg, distribuídas em delineamento de blocos ao acaso em esquema fatorial 2 × 4, composto de dois níveis de ractopamina, 0 e 20 ppm, em combinação aos níveis de energia líquida de 2.300; 2.424; 2.548 e 2.668 kcal/kg de ração, com cinco repetições, considerando cada animal uma unidade experimental. O período experimental teve duração de 28 dias. A temperatura do ar, a umidade relativa, a temperatura de globo negro e o índice de temperatura de globo e umidade foram de 21,5 ± 2,8ºC, 91,7 ± 6,8%, 21,7 ± 2,9ºC e 70,1 ± 3,7, respectivamente. Houve interação entre níveis de energia líquida e ractopamina, uma vez que a inclusão de 20 ppm de ractopamina em dietas contendo 2.668 kcal de energia líquida/kg de ração ocasionou redução da espessura de toucinho e aumento da porcentagem de carne magra e do índice de bonificação de carcaças. A inclusão de 20 ppm de ractopamina proporcionou aumento do ganho diário de peso e melhora na conversão alimentar, proporcionando maior peso de carcaça quente e aumentando a quantidade de carne magra nas carcaças. Dietas suplementadas com 20 ppm de ractopamina melhoram o desempenho e aumentam a produção de carne em leitoas em terminação. A ractopamina é ineficiente em reduzir a deposição de gordura e aumentar o percentual de carne magra na carcaça de leitoas alimentadas com dietas contendo baixa concentração de energia. O nível de 2.300 kcal de energia líquida/kg de ração atende à exigência nutricional de leitoas em terminação sob conforto térmico.This research was conducted to evaluate the net energy and ractopamine levels in the diet of finishing gilts kept under thermal comfort conditions. Forty gilts were used, with initial weight of 67.4 ± 3.4 kg, distributed in a

  6. Is Watching TV Passive, Uncreative, or Addictive? Debunking Some Myths.

    Science.gov (United States)

    Pezdek, Kathy

    1985-01-01

    Three myths about the cognitive processing of television and its effects on children and adults--television is a passive medium, viewing decreases creativity, and viewing is an addictive behavior--are discussed and compared with relevant research findings. (MBR)

  7. Myth busters: an AOA symposium: AOA critical issues.

    Science.gov (United States)

    Tornetta, Paul; Kocher, Mininder S; Probe, Robert A; Foster, Timothy E; Silvestri, Lorenzo

    2014-10-01

    One of the goals of the annual American Orthopaedic Association (AOA) meeting is to address controversy, both in leadership and clinical practice. A panel of experts in their respective fields presented the background and literature behind three "myths" in orthopaedic management and made conclusions as to their validity. First, Dr. Kocher took on the myth of prophylactic pinning on the contralateral "normal" side for a patient with a slipped capital femoral epiphysis. Second, Dr. Probe evaluated the myth that all intertrochanteric fractures are best treated with intramedullary devices. Last, Dr. Foster and Dr. Silvestri tackled the myth that autograft is always the best choice for anterior cruciate ligament (ACL) reconstruction. All three of these topics are subjects of current debate. The panel's careful examination of the available data along with their expertise in the management of these problems is presented in this thought-provoking JBJS Critical Issues article. Copyright © 2014 by The Journal of Bone and Joint Surgery, Incorporated.

  8. Book Review: Adolf Hitler. Legende, mythe, werkelijkheid | Ploeger ...

    African Journals Online (AJOL)

    Abstract. Book Title: Adolf Hitler. Legende, mythe, werkelijkheid. Book Author: Werner Maser. Uitgeverij De Arbeiderspers, Amsterdam, 1973, pp. 531. Met aantekeninge [pp. 429 - 506] en bibliografie [pp. 507 - 531].

  9. The history of matrix metalloproteinases: milestones, myths, and misperceptions

    National Research Council Canada - National Science Library

    Iyer, Rugmani Padmanabhan; Patterson, Nicolle L; Fields, Gregg B; Lindsey, Merry L

    2012-01-01

    .... Over the years, a few myths and misunderstandings have interwoven into the truths. In this review, we will discuss the major milestones of MMP research, as well as review the misinterpretations and misperceptions that have evolved...

  10. Ancient astronomy an encyclopedia of cosmologies and myth

    CERN Document Server

    Ruggles, Clive

    2005-01-01

    Long before astronomy was a science, humans used the stars to mark time, navigate, organize planting and dramatize myths. This encyclopaedia draws on archaeological evidence and oral traditions to reveal how prehistoric humans perceived the skies and celestial phenomena.

  11. The Portuguese Cinema, Trans-temporality and the Myth

    Directory of Open Access Journals (Sweden)

    Sara Castelo Branco

    2016-02-01

    Full Text Available Eduardo Lourenço has focused some of his research on the historical-mythical relationship of the Portuguese with their country, claiming that they have been living in a kind of hyper-identity, incorporating an obsession with the past, which co-exists with a waiting utopian by future, as is demonstrates the Sebastianism myth. Focused on the representations of trans-temporality, identity, collective memory and myth, The Portuguese Cinema, Trans-temporality and the Myth, concentrated especially in Eduardo Lourenço's work to propose a research on how the identity myths – created and disseminated by Portuguese literature over the centuries – earned imagistic representations in the twentieth and twenty-first century’s, through a cinema that built or deconstructed these historical and patriotic mythological, inscribing image capacities to continually rebuild one mythologized common heritage.

  12. A Reexamination of the Myth of Black Matriarchy

    Science.gov (United States)

    Dietrich, Katheryn Thomas

    1975-01-01

    Previous arguments that matriarchy is a myth in the black lower classes are reviewed and an additional argument is presented: the irrelevance of heretofore employed decision-making measures for lower-class blacks. (Author)

  13. Myth and Misguided Faith? Women's Experiences in a Literacy Program.

    Science.gov (United States)

    Rumann, Susan Marie; Chavez, Rudolfo Chavez

    2001-01-01

    Inductive analysis of the stories of five Mexican-American women in a literacy program resulted in a framework of myths or misperceptions that proceeds through stages of consciousness from magical to naive to critical. (Contains 41 references.) (SK)

  14. Nutrition myths and healthy dietary advice in clinical practice

    National Research Council Canada - National Science Library

    Lesser, Lenard I; Mazza, Mary Carol; Lucan, Sean C

    2015-01-01

    Healthy dietary intake is important for the maintenance of general health and wellness, the prevention of chronic illness, the optimization of life expectancy, and the clinical management of virtually all disease states. Dietary myths (i.e...

  15. Building a Healthy Vegetarian Meal: Myths and Facts

    Science.gov (United States)

    ... to plant-based diets. Myth #1: Vegetarians and Vegans Have a Hard Time Getting Enough Protein As ... low-fat or fat-free dairy and eggs. Vegans should consume more protein than their meat- and ...

  16. Astronomy and catastrophes through myth and old texts.

    Science.gov (United States)

    Bon, E.; Ćirković, M.; Stojić, Igor; Gavrilović, Nataša

    In the old myths and iconographies there are some motives that indicate at least one cataclysmic event that influenced many old religions and myths, that could be linked to the impact of the celestial object. We investigate the hypothesis of coherent catastrophism put forward in recent years by Clube, Bailey, Napier and others from both astrobiological and culturogical points of view. The conventional idea that the quasi-periodic break-up of celestial bodies influence terrestrial conditions can today be placed in both wider (astro-biological) and deeper (historico-culturological) context. In particular, we point out that the link between the Neolithic history of astronomy, and origin of Mithraism. We speculate that the main icon of Mithraic religion could pinpoint an event that happened around 4000 BC, when the spring equinox entered the constellation of Taurus. We also, link some motives in other old religions and myths to the same event, or to some similar events that inspired those myths.

  17. Ten Myths and Misconceptions Regarding Pain Management in the ICU.

    Science.gov (United States)

    Sigakis, Matthew J G; Bittner, Edward A

    2015-11-01

    The aim of this article is to expose common myths and misconceptions regarding pain assessment and management in critically ill patients that interfere with effective care. We comprehensively review the literature refuting these myths and misconceptions and describe evidence-based strategies for improving pain management in the ICU. Current peer-reviewed academic journals, as well as standards and guidelines from professional societies. The most current evidence was selected for review based on the highest degree of supportive evidence. Data were obtained via medical search databases, including OvidSP, and the National Library of Medicine's MEDLINE database via PubMed. After a comprehensive literature review, conclusions were drawn based on the strength of evidence and the most current understanding of pain management practices in ICU. Myths and misconceptions regarding management of pain in the ICU are prevalent. Review of current evidence refutes these myths and misconceptions and provides insights and recommendations to ensure best practices.

  18. The Genesis of Myth in V. Solovyov’s Early Writings. Myth as Theogon

    Directory of Open Access Journals (Sweden)

    Vaganova Natal'ia

    2016-05-01

    Full Text Available In Vladimir Solovyov’s works myth is presented in two ways: as the authorial myth, which is a part of the future “universal religion”, and as an object of theoretical refl ection in the process of philosophical and religious research. In both cases myth is understood as an actual process of theogony, and so Solovyov’s “religious studies” turn out to be a part of his religious metaphysics. The philosopher marks three periods in mythological process: uranic – solar – phallic, and maintains such development to be a law. Solovyov’s theory of the origin of religion is based upon the idea of the essential analogy between cosmic and theogonic processes. These two processes are different ways in which the same conscious principle of the world manifests itself; in Solovyov’s religious doctrine this principle is described as the “universal soul” which strives for the divine unity. The theory of mythological process by Solovyov is compared with a similar conception of bishop Chrysanthus (Retivtsev, who also appeals to primeval monotheism as the basic form of religion. In contrast to Solovyov’s theory, Chrysanthus understands the genesis of the ancient religion as a development of tribal psychology, which is localized entirely in the consciousness of a collective religious subject.

  19. National myths and tourism marketing in postcolonial Chinese destinations.

    OpenAIRE

    Zhang, Xiaoyue

    2017-01-01

    This thesis explores national myths and tourism marketing in the postcolonial Chinese context, linking nation and nationalism studies with tourism studies. The symbolic foundation of a nation, its national myths and imagined common experiences has been challenged seriously by the increasing idea of heterogeneity, woven with fragmented, ambiguous and paradoxical discourses (Anderson 1991, Bouchard 2013, Foucault 1972, Özkirimli 2010). At the same time, tourism is increasingly recognised as a b...

  20. Nutrition myths - the factor influencing the quality of children's diets

    OpenAIRE

    Slávka Mrosková; Ľubomíra Lizáková

    2016-01-01

    Aim: To analyse the influence of parents' belief in nutrition myths on the frequency of their serving certain foods to their children. Design: Cross-sectional study. Methods: Survey carried out with 297 respondents - parents of children aged 5-18 years. The data collection took place between September 2013 and December 2014. The questionnaire focussed on 14 nutrition myths related to selected foods (milk, dairy products, meat, offal, fruit, vegetables, eggs, fish, legumes, soya, and flour dis...

  1. Excitation functions of parameters extracted from three-source (net-)proton rapidity distributions in Au-Au and Pb-Pb collisions over an energy range from AGS to RHIC

    Energy Technology Data Exchange (ETDEWEB)

    Gao, Li-Na; Liu, Fu-Hu [Shanxi University, Institute of Theoretical Physics, Taiyuan, Shanxi (China); Sun, Yan; Sun, Zhu [Shanxi Datong University, Department of Physics, Datong, Shanxi (China); Lacey, Roy A. [Stony Brook University, Departments of Chemistry and Physics, Stony Brook, NY (United States)

    2017-03-15

    Experimental results of the rapidity spectra of protons and net-protons (protons minus antiprotons) emitted in gold-gold (Au-Au) and lead-lead (Pb-Pb) collisions, measured by a few collaborations at the alternating gradient synchrotron (AGS), super proton synchrotron (SPS), and relativistic heavy ion collider (RHIC), are described by a three-source distribution. The values of the distribution width σ{sub C} and fraction k{sub C} of the central rapidity region, and the distribution width σ{sub F} and rapidity shift Δy of the forward/backward rapidity regions, are then obtained. The excitation function of σ{sub C} increases generally with increase of the center-of-mass energy per nucleon pair √(s{sub NN}). The excitation function of σ{sub F} shows a saturation at √(s{sub NN}) = 8.8 GeV. The excitation function of k{sub C} shows a minimum at √(s{sub NN}) = 8.8 GeV and a saturation at √(s{sub NN}) ∼ 17 GeV. The excitation function of Δy increases linearly with ln(√(s{sub NN})) in the considered energy range. (orig.)

  2. Nutrition myths - the factor influencing the quality of children's diets

    Directory of Open Access Journals (Sweden)

    Slávka Mrosková

    2016-03-01

    Full Text Available Aim: To analyse the influence of parents' belief in nutrition myths on the frequency of their serving certain foods to their children. Design: Cross-sectional study. Methods: Survey carried out with 297 respondents - parents of children aged 5-18 years. The data collection took place between September 2013 and December 2014. The questionnaire focussed on 14 nutrition myths related to selected foods (milk, dairy products, meat, offal, fruit, vegetables, eggs, fish, legumes, soya, and flour dishes. At the same time, the parents reported the frequency of their serving the monitored foods to their children. In the statistical analysis, Spearman's rank correlation coefficient was used. Results: For nine nutrition myths we found significant negative coefficients between a certain nutrition myth and the frequency of the serving of the food. The nutrition myths related to the consumption of fish (r = -0.328, eggs (r = -0.203, soya (r = -0.301; -0.290, offal (r = -0.155, meat (r = -0.128, milk (r = -0.272; -0.254, and fruit/vegetables (r = -0.104. Conclusion: The belief in nutrition myths appears to be a determinant modifying parental behaviour and subsequently the quality of children's diets.

  3. Religiousness and Rape Myth Acceptance: Risk and Protective Effects.

    Science.gov (United States)

    Ensz, Samantha; Jankowski, Peter J

    2017-03-01

    This study addressed the lack of research simultaneously examining multiple dimensions of religiousness when predicting rape myth acceptance, and extended prior findings of a mediating role for right-wing authoritarianism (i.e., uncritical submission to authority and aggressive attitude toward those who do not conform to social norms) in the association between religiousness and prejudice. The sample consisted of 99 undergraduate and graduate students ( M age = 31.87 years, 66.7% female, 80.82% White, and 93% Christian affiliated) from a religiously affiliated university in the Midwest United States. As hypothesized, dimensions of religiousness exhibited differential associations with rape myth acceptance. Religious motivation characterized by openness and exploration (i.e., quest religiousness) was a significant negative predictor of rape myth acceptance, directly, and indirectly through right-wing authoritarianism. In contrast, rigid adherence to religious beliefs, assumed to be "right" and absolutely true (i.e., religious fundamentalism), and extrinsically motivated religiousness each exhibited a positive association with rape myth acceptance through right-wing authoritarianism. In addition, internally motivated religiousness and religious fundamentalism each moderated the nonlinear effect for quest predicting rape myth acceptance. Findings suggest that uncritical religious and secular submission to external authorities or uncommitted and nonexploring religiousness may have increased the extent to which persons adhered to rape myths, whereas religious exploration was protective. Practical implications center on the need for socioculturally relevant prevention and intervention efforts with religious identifying college students.

  4. Exploring Past Myths through Giambattista Vico and Jyotiba Phule

    Directory of Open Access Journals (Sweden)

    Aparna Devare

    Full Text Available Abstract In this article, I examine the writings of the 18th-century Italian thinker Giambattista Vico and the 19th-century Indian thinker/social reformer Jyotiba Phule about myths, temporality, and the past. Both these thinkers turned to historicising myths in order to engage with debates in the present. Both viewed myths as reflecting social relations of power and domination, and sought to understand their material realities, emphasising human agency, collective change, and the social construction of language and practices. Both pointed to the limits of history, albeit in different ways: Vico by introducing the notion of providence, and Phule by rewriting the myths he had rationalised, using the same mythological figures, in order to intervene in the politics of the present from a marginal perspective (that of being low-caste. I juxtapose these two disparate thinkers in terms of their similarities in historicising myths, and analyse why Phule goes further than Vico in exceeding the boundaries of history. I argue that Phule’s cultural context allowed him to return to myths more easily than Vico, although the latter revered them as well.

  5. Current reports on autoerotic deaths--five persistent myths.

    Science.gov (United States)

    Sauvageau, Anny

    2014-01-01

    Autoerotic deaths are defined as accidental deaths that occur during individual, solitary sexual activity in which some type of apparatus that was used to enhance the sexual stimulation of the deceased caused unintentional death. In the Western countries, the incidence of these deaths is of approximately 0.5 deaths per million inhabitants per year. In this paper, five myths about autoerotic death are explored. Myth #1: the manner of death in autoerotic death is usually accidental but could also be suicidal or natural (reality: by definition, all autoerotic deaths are accidental). Myth #2: autoerotic death can happen with a sexual partner (reality: by definition, autoerotic deaths are solitary activities). Myth #3: an escape mechanism must be found at the scene (reality: there is no escape mechanism to be observed at the scene in the majority of autoerotic deaths). Myth #4: all autoerotic deaths are related to asphyxia (reality: not all autoerotic deaths are related to asphyxia). Myth #5: masturbation is an important component of all autoerotic activities and therefore all autoerotic deaths (reality: evidence of masturbation at the scene is a rare finding).

  6. Le mythe comme détour dans Twelfth Night The Myth as a Diversion in Twelfth Night

    Directory of Open Access Journals (Sweden)

    Cécile Mauré

    2009-06-01

    Full Text Available Being only rarely mentioned in the text, the myth might seem an anecdotal and trivial detail. The study of the myth of Echo and Narcissus in Twelfth Night shows us however that it is a decisive element in the reading and the understanding of the play. The references are numerous and often implicit. The characters themselves alternately play the roles of Echo and Narcissus. The play is structured as if it were a mirror in which the characters endlessly duplicate each other and echo their own words. Shakespeare plays with the different versions of the myth that he often blends with subtlety. For the sake of comedy, he dares to parody and demythologize Ovid’s story. The myth seems to divert our attention from the direction of the text but closer analysis suggests the reverse and invites us to find the meaning of the play which can be seen as a real labyrinth.

  7. Wendigos, Eye Killers, Skinwalkers: The Myth of the American Indian Vampire and American Indian “Vampire” Myths

    National Research Council Canada - National Science Library

    Corinna Lenhardt

    2016-01-01

    ... Meyer’s sparkling beau, Edward Cullen. In fact, the Euro-American vampire myth has long become one of the most reliable and bestselling fun-rides the entertainment industries around the world have to offer...

  8. Double-muscled and conventional cattle have the same net energy requirements if these are related to mature and current body protein mass, and to gain composition.

    Science.gov (United States)

    Schiavon, S; Bittante, G

    2012-11-01

    The hypothesis tested in this paper is that double-muscled (DBM) and conventional cattle, considerably differing in body composition, have similar NE requirements when: a) NE(m) is scaled as a function of current (P(i)) and adult (P(m)) protein mass; and b) ME for gain (ME(g)) is estimated from protein (Pr) and lipid (Lr) retention and their partial ME use efficiencies, the k(p) and k(l) values, respectively. First, 2 databases were examined: 1 was developed combining well known literature information from comparative slaughter trials conducted on British beef steers; the other was based on a trial conducted using extremely lean DBM Piemontese bulls. From the first database, NE(m) was calculated to be 1.625 × P(i) ÷ P(m) × P(m)(0.73) (MJ/kg(0.73)). From the second database, the daily ME(g) was determined as 22.8 MJ × Pr ÷ k(p) + 38.74 MJ × Lr ÷ k(l), assuming (from prior reports) that k(p) = 0.20 and k(l) = 0.75. Thereafter, ME(m) was defined as ME intake minus ME(g), and, hence, NE(m) was predicted as 1.625 × P(i) ÷ P(m) × P(m)(0.73) (where 1.625 was the value obtained from the first dataset). The resulting k(m) (NE(m)/ME(m)) averaged 0.67. This k(m) value did not differ from that (0.65; P = 0.12) predicted by Garrett's equation, which uses dietary ME content as the only predictive variable. Second, the procedure was tested for the ability to detect effects on k(m) caused by increasing BW and dietary factors not estimable from the dietary ME content only. Data were gathered from a trial involving 48 DBM Piemontese bulls divided into 4 groups fed 1 of 4 diets differing in CP content (145 or 108 g/kg DM), with or without addition of 80 g/d of rumen-protected CLA (rpCLA). Bulls were examined at 3 consecutive periods of growth, corresponding to 365, 512 and 631 kg of average BW. All energy balance items were influenced by increasing BW, except k(m) (P = 0.61), in agreement with the expectation that NE(m) requirement depends on the degree of maturity (P

  9. Long-Term Hydrocarbon Trade Options for the Maghreb Region and Europe—Renewable Energy Based Synthetic Fuels for a Net Zero Emissions World

    Directory of Open Access Journals (Sweden)

    Mahdi Fasihi

    2017-02-01

    Full Text Available Concerns about climate change and increasing emission costs are drivers for new sources of fuels for Europe. Sustainable hydrocarbons can be produced synthetically by power-to-gas (PtG and power-to-liquids (PtL facilities, for sectors with low direct electrification such as aviation, heavy transportation and chemical industry. Hybrid PV–Wind power plants can harvest high solar and wind potentials of the Maghreb region to power these systems. This paper calculates the cost of these fuels for Europe, and presents a respective business case for the Maghreb region. Calculations are hourly resolved to find the least cost combination of technologies in a 0.45° × 0.45° spatial resolution. Results show that, for 7% weighted average cost of capital (WACC, renewable energy based synthetic natural gas (RE-SNG and RE-diesel can be produced in 2030 for a minimum cost of 76 €/MWhHHV (0.78 €/m3SNG and 88 €/MWhHHV (0.85 €/L, respectively. While in 2040, these production costs can drop to 66 €/MWhHHV (0.68 €/m3SNG and 83 €/MWhHHV (0.80 €/L, respectively. Considering access to a WACC of 5% in a de-risking project, oxygen sales and CO2 emissions costs, RE-diesel can reach fuel-parity at crude oil prices of 101 and 83 USD/bbl in 2030 and 2040, respectively. Thus, RE-synthetic fuels could be produced to answer fuel demand and remove environmental concerns in Europe at an affordable cost.

  10. Binukot at Nabukot: From Myth to Practice

    Directory of Open Access Journals (Sweden)

    Maria Christine Muyco

    2016-12-01

    Full Text Available Age-old tales, epic chants, and even contemporary television soap operas tell about the binukot, the well-kept maiden of the Panay Bukidnon, the highland inhabitants of Panay, Philippines. This article examines the binukot through myths and practices found in the people’s expressive culture: from the sugidanon (epic chants/chanting, to the tigbabayi (solo woman’s dance of the binanog (hawk-eagle music and dance tradition, to panubok (traditional embroidery, where the binukot is illustrated or exemplified. From various representations, the article moves to essay the binukot’s actual practice, including her present life living as a nabukot,1 a transformed status she gains when she gets married. I interlace my ethnographic observations regarding these states as part of a reconsideration of feminism from both Western and indigenous perspectives.

  11. [Nutrition and cardiovascular prevention: myths and realities].

    Science.gov (United States)

    Guggenbühl, N

    2002-01-01

    The dietary approach to cardiovascular disease often boils down to a few classical tips. However the data concerning the links between food and the health of the heart and arteries have never been as well substantiated as they are now. This paper reviews, in the various nutritional categories, the most recent findings concerning those nutritional factors influencing in one way or another the risk of cardiovascular disease. Each nutritional category includes foodstuffs which sometimes behave in very different ways. This "wide-ranging" approach to nutrition allows, besides repeating the basic messages (i.e. the importance of vegetables, the choice of fats, etc.), to counter some myths and to contemplate new ways of enabling positive, sound and personalized advice to be given.

  12. Food Safety Nets:

    OpenAIRE

    Haggblade, Steven; Diallo, Boubacar; Staatz, John; Theriault, Veronique; Traoré, Abdramane

    2013-01-01

    Food and social safety nets have a history as long as human civilization. In hunter gatherer societies, food sharing is pervasive. Group members who prove unlucky in the short run, hunting or foraging, receive food from other households in anticipation of reciprocal consideration at a later time (Smith 1988). With the emergence of the first large sedentary civilizations in the Middle East, administrative systems developed specifically around food storage and distribution. The ancient Egyptian...

  13. Net technical assessment

    OpenAIRE

    Wegmann, David G.

    1989-01-01

    Approved for public release; distribution is unlimited. The present and near term military balance of power between the U.S. and the Soviet Union can be expressed in a variety of net assessments. One can examine the strategic nuclear balance, the conventional balance in Europe, the maritime balance, and many others. Such assessments are essential not only for policy making but for arms control purposes and future force structure planning. However, to project the future military balance, on...

  14. Rape Myths and the Cross-Cultural Adaptation of the Illinois Rape Myth Acceptance Scale in China.

    Science.gov (United States)

    Xue, Jia; Fang, Gang; Huang, Hui; Cui, Naixue; Rhodes, Karin V; Gelles, Richard

    2016-06-05

    The study examines the similarities and differences between China and the United States with regard to rape myths. We assessed the individual level of rape myth acceptance among Chinese university students by adapting and translating a widely used measure of rape myth endorsement in the United States, the Illinois Rape Myth Acceptance (IRMA) scale. We assessed whether the IRMA scale would be an appropriate assessment of attitudes toward rape among young adults in China. The sample consisted of 975 Chinese university students enrolled in seven Chinese universities. We used explorative factor analysis to examine the factor structure of the Chinese translation of the IRMA scale. Results suggest that the IRMA scale requires some modification to be employed with young adults in China. Our analyses indicate that 20 items should be deleted, and a five-factor model is generated. We discuss relevant similarities and differences in the factor structure and item loadings between the Chinese Rape Myth Acceptance (CRMA) and the IRMA scales. A revised version of the IRMA, the CRMA, can be used as a resource in rape prevention services and rape victim support services. Future research in China that employs CRMA will allow researchers to examine whether individual's response to rape myth acceptance can predict rape potential and judgments of victim blaming and community members' acceptance of marital rape. © The Author(s) 2016.

  15. Use of genotype × environment interaction model to accommodate genetic heterogeneity for residual feed intake, dry matter intake, net energy in milk, and metabolic body weight in dairy cattle.

    Science.gov (United States)

    Yao, C; de Los Campos, G; VandeHaar, M J; Spurlock, D M; Armentano, L E; Coffey, M; de Haas, Y; Veerkamp, R F; Staples, C R; Connor, E E; Wang, Z; Hanigan, M D; Tempelman, R J; Weigel, K A

    2017-03-01

    Feed efficiency in dairy cattle has gained much attention recently. Due to the cost-prohibitive measurement of individual feed intakes, combining data from multiple countries is often necessary to ensure an adequate reference population. It may then be essential to model genetic heterogeneity when making inferences about feed efficiency or selecting efficient cattle using genomic information. In this study, we constructed a marker × environment interaction model that decomposed marker effects into main effects and interaction components that were specific to each environment. We compared environment-specific variance component estimates and prediction accuracies from the interaction model analyses, an across-environment analyses ignoring population stratification, and a within-environment analyses using an international feed efficiency data set. Phenotypes included residual feed intake, dry matter intake, net energy in milk, and metabolic body weight from 3,656 cows measured in 3 broadly defined environments: North America (NAM), the Netherlands (NLD), and Scotland (SAC). Genotypic data included 57,574 single nucleotide polymorphisms per animal. The interaction model gave the highest prediction accuracy for metabolic body weight, which had the largest estimated heritabilities ranging from 0.37 to 0.55. The within-environment model performed the best when predicting residual feed intake, which had the lowest estimated heritabilities ranging from 0.13 to 0.41. For traits (dry matter intake and net energy in milk) with intermediate estimated heritabilities (0.21 to 0.50 and 0.17 to 0.53, respectively), performance of the 3 models was comparable. Genomic correlations between environments also were computed using variance component estimates from the interaction model. Averaged across all traits, genomic correlations were highest between NAM and NLD, and lowest between NAM and SAC. In conclusion, the interaction model provided a novel way to evaluate traits measured in

  16. Using WordNet for Building WordNets

    CERN Document Server

    Farreres, X; Farreres, Xavier; Rodriguez, Horacio; Rigau, German

    1998-01-01

    This paper summarises a set of methodologies and techniques for the fast construction of multilingual WordNets. The English WordNet is used in this approach as a backbone for Catalan and Spanish WordNets and as a lexical knowledge resource for several subtasks.

  17. Equity of tolling : myths and realities

    Science.gov (United States)

    2010-02-26

    This presentation discusses the equity and efficiency of tolling and the increases in efficiency from efficiency gains. Efficiency and equity are inextricably related, and they are not inherently in conflict. Congestion pricing generates positive net...

  18. Myths and misconceptions about tuberculosis transmission in Ghana.

    Science.gov (United States)

    Amo-Adjei, Joshua; Kumi-Kyereme, Akwasi

    2013-09-12

    Myths and misconceptions about TB can serve as a barrier to efforts at reducing stigmatisation of people infected and affected by the disease. Understanding such drivers of myths and misconceptions is important for improving information, education and communication (IEC) efforts of national control and preventive interventions. This study therefore assesses the influence of interaction of spatial, socioeconomic and demographic characteristics on myths and misconceptions. Data was drawn from male (N = 4,546) and female (N = 4,916) files of the 2008 Ghana Demographic and Health Survey. A myth and misconception variable was created from five-related constructs with internal consistency score of r = 0. 8802 for males (inter-item correlation: 0.5951) and for females, r = 0. 0.9312 (inter-item correlation: 0.7303). The Pearson Chi-square was used to test the bivariate relationship between the independent variables and the dependent variable. Logistic regression was subsequently used to explore the factors determining myths and misconceptions of TB transmission. Majority of Ghanaians (males: 66.75%; females: 66.13%) did not hold myths and misconceptions about TB transmission. Females resident in the Upper East (aOR = 0.31, CI = 0.17-0.55) and Upper West (aOR = 0.41, CI = 0.24-0.69) and males resident in the Northern (aOR = 0.23, CI = 0.13-0.39) and the Greater Accra (aOR = 0.25, CI = 0.16-0.39) regions were independently associated with no misconceptions about TB transmission. Significant differences were also found in education, ethnicity and age. That spatial and other socioeconomic difference exists in myths and misconceptions suggest the need for spatial, socioeconomic and demographic segmentations in IEC on TB. This holds potentials for reaching out to those who are in critical need of information and education on the transmission processes of TB.

  19. Proof nets for lingusitic analysis

    NARCIS (Netherlands)

    Moot, R.C.A.

    2002-01-01

    This book investigates the possible linguistic applications of proof nets, redundancy free representations of proofs, which were introduced by Girard for linear logic. We will adapt the notion of proof net to allow the formulation of a proof net calculus which is soundand complete for the

  20. Teaching Tennis for Net Success.

    Science.gov (United States)

    Young, Bryce

    1989-01-01

    A program for teaching tennis to beginners, NET (Net Easy Teaching) is described. The program addresses three common needs shared by tennis students: active involvement in hitting the ball, clearing the net, and positive reinforcement. A sample lesson plan is included. (IAH)