periphyton in aquatic energy budgets

University buildings in Greece: Energy analysis of heating and cooling demand

University buildings in Greece: Energy analysis of heating and cooling demand

... solar gains, resulting thus in lower cooling and higher heating energy demand 35 Energy Consumption [kWh/m3/a] IWEC-Heating IWEC-Cooling TMY-2-Heating 30 TMY-2-Cooling 25 20 15 10 Main Theatres A ... (cooling/heating loads, zone temperature, building energy consumption for heating and cooling, etc.), requiring as inputs the geometry of the building, the materials of constructions, the internal ... early in the morning hours of the hottest months (July – August), when some cooling is needed to maintain internal temperature 30°C During the day, the cooling energy demand constantly increases,...

Ngày tải lên: 05/09/2013, 16:10

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Tài liệu Lipids in Aquatic Ecosystems docx

Tài liệu Lipids in Aquatic Ecosystems docx

... general interest in lipids as structural components and as purveyors of energy is increasingly being coupled with this deeper understanding resulting in a parallel increase in publications dealing ... been studied in wild-type C reinhardtii and its cia-3 mutant strain, which is deficient in a CO2concentrating mechanism (Pronina et al 1998) In both strains, there was some increase in PUFA biosynthesis ... play a critical role in the health and well-being of all vertebrates including humans What is less clear, given global declines in fish stocks, is how we can maintain sustainable EFA production...

Ngày tải lên: 17/02/2014, 19:20

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Báo cáo khoa học: Transmembrane helix 12 plays a pivotal role in coupling energy provision and drug binding in ABCB1 pot

Báo cáo khoa học: Transmembrane helix 12 plays a pivotal role in coupling energy provision and drug binding in ABCB1 pot

... labelling intensity observed with the single-cysteine-containing isoforms Obtaining full labelling and its accurate quantitation are difficult to achieve in practice, resulting in occasional instances ... were examined by introducing cysteines at distinct positions in TM12 and assessing their accessibility to covalent modification with thiol-reactive probes In order to determine how changes in the ... during the catalytic cycle The previous section outlined the overall topography of TM12, by examining the accessibility of introduced cysteines to maleimide-containing probes The next phase of investigation...

Ngày tải lên: 06/03/2014, 22:21

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NEW DEVELOPMENTS IN RENEWABLE ENERGY pdf

NEW DEVELOPMENTS IN RENEWABLE ENERGY pdf

... improving living standards and sustaining economic growth, electricity supply infrastructures in many developing countries are being rapidly expanded The book is divided into nineeight sections;: Energy ... heat-absorbing materials Further, green roofs reduce summertime air conditioning demand by lowering heat gain to the building Energy modeling (i.e., energy simulation) is a method for predicting the energy ... 5.1.1 Mini-roofs During this study, 15 mini-roof combinations were observed for trends in internal tempera‐ tures The various 15 mini-roof combinations are summarized in Table Several of the miniroof...

Ngày tải lên: 07/03/2014, 11:20

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“Financial analysis in PetroVietnam Energy Technology Corporation (PVEIC)”

“Financial analysis in PetroVietnam Energy Technology Corporation (PVEIC)”

... in linking financial targets and its reasonable interpretation Duppont financial analysis method is very effective in explaining causes for changes in target of profitability of the company In ... effective financial analysis Financial analysis means examining the overall financial situation of the business in a certain time The financial analysis is particularly important in the management ... analyze include: P / B, RE, ReOI - In “Measuring performance in a changing business environment”, Mike Kennerly and Andy Neely (2003) have pointed out that the financial analysis of businesses in...

Ngày tải lên: 07/03/2014, 15:44

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The Carbon and Global Warming Potential Impacts of Organic Farming: Does It Have a Significant Role in an Energy Constrained World? pptx

The Carbon and Global Warming Potential Impacts of Organic Farming: Does It Have a Significant Role in an Energy Constrained World? pptx

... the total energy input in the IF systems Halberg et al [40] examined five European studies comparing energy use under conventional and organic farming, including some cash crop (grains and pulses) ... by increasing soil C Meisterling et al [35] also in the US, used a hybrid LCA approach to compare the global warming potential (GWP) and primary energy use involved in the production process (including ... minimization Keywords: GHG; GWP; organic farming; conventional farming and food systems; energy efficiency; biofuels Introduction Energy (E) is used throughout the food supply chain, including...

Ngày tải lên: 08/03/2014, 23:20

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Báo cáo Y học: Role of conserved residues within helices IV and VIII of the oxaloacetate decarboxylase b subunit in the energy coupling mechanism of the Na+ pump ppt

Báo cáo Y học: Role of conserved residues within helices IV and VIII of the oxaloacetate decarboxylase b subunit in the energy coupling mechanism of the Na+ pump ppt

... wildtype Increasing Na+ affinities at increasing pH and decreasing Na+ concentrations for half maximal inhibition with increasing pH indicates improved Na+ binding at elevated pH values The S382D ... acid-labile compound In this communication we performed detailed kinetic analyses of various mutants in OadB, allowing us to propose that S382 acts as a Na+ binding ligand but is not involved in the proton ... resulted in the formation of colonies, whereas E coli EP432 harbouring pSK could not sustain growth Analytical procedures The protein content of samples was determined according to the bicinchoninic...

Ngày tải lên: 08/03/2014, 23:20

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FRONTIERS IN High Energy Density Physics docx

FRONTIERS IN High Energy Density Physics docx

... the exciting research opportunities The committee believes that the following findings and recommendations define a framework for building and sustaining such a strategy Findings a Finding on attributes ... beam interactions with plasmas produce a wealth of high energy density physics and are of longstanding interest in inertial fusion energy In addition to external beams interacting with plasmas, interesting ... supporting disciplines In a few instances, the Department of Energy has engaged in developing jointly funded programs, such as the plasma science program conducted jointly by its Office of Fusion Energy...

Ngày tải lên: 14/03/2014, 10:20

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Assessing the hazard of metals and inorganic metal substances in aquatic and terrestrial systems

Assessing the hazard of metals and inorganic metal substances in aquatic and terrestrial systems

... explanation without intent to infringe Library of Congress Cataloging -in- Publication Data Adams, William J., 1946Assessing the hazard of metals and inorganic metal substances in aquatic and terrestrial ... electronic, mechanical, or other means, now known or hereafter invented, including photocopying, microfilming, and recording, or in any information storage or retrieval system, without written permission ... reviewing the scientific underpinnings of the use of persistence in hazard evaluation and of persistence measures as applied to metals, including the potential to use bioavailability measures in aquatic...

Ngày tải lên: 16/03/2014, 11:45

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A Generic QSAR for Assessing the Bioaccumulation Potential of Organic Chemicals in Aquatic Food Webs pot

A Generic QSAR for Assessing the Bioaccumulation Potential of Organic Chemicals in Aquatic Food Webs pot

... a reduction in f with increasing KOW f represents the bioavailable fraction of the chemical concentration in the water, which decreases with increasing KOW because of the increase in the chemical×s ... bioaccumulation in aquatic food webs There is empirical and theoretical evidence indicating that certain chemicals which not biomagnify in aquatic food webs have the potential to biomagnify in terrestrial ... growing and/or (iv) metabolize the substance at a significant rate The BAF-QSAR exhibits a ™parabolic∫ shape At low KOW, the BAF increases with increasing KOW in a linear fashion, as partitioning...

Ngày tải lên: 22/03/2014, 14:20

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Transport and fate of persistent toxic organic chemicals in aquatic ecosystems: the Niagara River to St Lawrence River Estuary example pptx

Transport and fate of persistent toxic organic chemicals in aquatic ecosystems: the Niagara River to St Lawrence River Estuary example pptx

... usually determined by difference in mass balance calculations Using this approach, Oliver (1984a) concluded that greater than 80% of several chlorinated benzenes, including HCB, introduced by ... removed from aquatic ecosystems by rapid flushing downstream and by volatilization or degradation Research into PTOC transport and fate in aquatic ecosystems should remain focused on the interfaces ... Laurentian Trough in the lower St Lawrence Estuary (Figs and 3) FATE OF PERSISTENT TOXIC ORGANIC CHEMICALS The fate of PTOCs in aquatic ecosystems is complex and involves many processes including dilution,...

Ngày tải lên: 22/03/2014, 14:20

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GLOBAL TRENDS IN RENEWABLE ENERGY INVESTMENT 2011 docx

GLOBAL TRENDS IN RENEWABLE ENERGY INVESTMENT 2011 docx

... RENEWABLE ENERGY FINANCING CONTINUUM 10 GLOBAL TRENDS IN RENEWABLE ENERGY INVESTMENT 2011 KEY FINDINGS in 2010, to a record $211 billion It was boosted in particular by wind farm development in China ... Figure 22: Financial new investment in renewable energy in non-OECD Asia (excluding China and India) by country, 2010, $bn Figure 23: Financial new investment in renewable energy in Africa by ... Figure 20: Financial new investment in renewable energy in Italy by sector and asset class, 2010, $bn Figure 21: Financial new investment in renewable energy in Latin America (excluding Brazil)...

Ngày tải lên: 30/03/2014, 06:20

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efficiency and sustainability in the energy and chemical industries scientific principles and case studies

efficiency and sustainability in the energy and chemical industries scientific principles and case studies

... question for industrial processes, in particular those in the energy and chemical industry Having a long experience in joint efforts with industry and with teaching, the authors use the fundamental ... practicing engineer and anybody else who is interested or engaged in the transition from a fossil-based, non-sustainable industry to a sustainable, low-waste industry based on renewable energy ... of the Beijing University of Chemical Technology, China From 2003 to 2009, he served as chair in the chemical engineering department of Tsinghua University, Beijing, China Much of his inspiration...

Ngày tải lên: 01/04/2014, 11:38

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optimization in the energy industry (energy systems)

optimization in the energy industry (energy systems)

... generator Id est (that is) Independent system operator Linear programming Mixed integer (linear) programming Mixed integer nonlinear programming Nonlinear programming Optimal power flow Particle ... workflows and different methods and tools into the planning process Key words: Energy management, Uncertainty in energy planning 1.1 Introduction Energy planning can be complicated Due to its techno-economic ... den Linden 6, 10099 Berlin Germany http://www.math.hu-berlin.de/ ~stefan stefan@math.hu-berlin.de Andrey V Vinnikov Administrator of Trade System for United Energy System of Russia Joint Institute...

Ngày tải lên: 01/04/2014, 11:40

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Sustainable Growth and Applications in Renewable Energy Sources Part 1 ppt

Sustainable Growth and Applications in Renewable Energy Sources Part 1 ppt

... expanding its share to face the raising in energy consumption mainly driven by developing countries, such as China and India Actually, non-OECD countries are the main drivers in the increase of energy ... carbon intensity From this identity it is clear that the increase in world GDP tends to increase global emissions, unless increase in income stimulates a reduction in carbon intensity or total energy ... polluting sectors in 2008, by making a 41% contribution to the world CO2 emissions in 2008, relying on carbon fuel, especially in developing countries such as China and India Fig Top 10 emitting...

Ngày tải lên: 19/06/2014, 08:20

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Sustainable Growth and Applications in Renewable Energy Sources Part 2 pptx

Sustainable Growth and Applications in Renewable Energy Sources Part 2 pptx

... of organization are involved also in energy producing and distributing organizations: i) users, 28 Sustainable Growth and Applications in Renewable Energy Sources ii) organizing broker organizations, ... traded independently of the power itself Direct Indirect Price-driven Investment focussed Regulatory Generation based Voluntary Investment focussed - Investment incentives - Tax incentives - Feed -in ... schemes as the quota obligation system and feed -in tariff Concerning wind energy, in 2002 the Italian government abandoned the feedin-tariff, introducing the quota obligation system with tradable...

Ngày tải lên: 19/06/2014, 08:20

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Sustainable Growth and Applications in Renewable Energy Sources Part 3 doc

Sustainable Growth and Applications in Renewable Energy Sources Part 3 doc

... Sustainable Growth and Applications in Renewable Energy Sources As long as exploiting the renewable energy resources or sharing in the grid IT sector is voluntary and in hand with uncertainty ... and tool set to examine the challenge of introducing a Sustained Renewability approach into practice (as e.g in the renewable energy or grid IT sectors) as well as its principle day-to-day management ... phenomenon in principle is nothing new and appears already in ancient myth and religions, since it concerns the basis of life, i.e the usage of resources in general and in particular that of energy...

Ngày tải lên: 19/06/2014, 08:20

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Sustainable Growth and Applications in Renewable Energy Sources Part 4 potx

Sustainable Growth and Applications in Renewable Energy Sources Part 4 potx

... Total energy production ECO6: Industrial energy intensities  Energy use in industrial sector and by manufacturing branch  Corresponding value added ECO7: Agricultural energy intensities  Energy ... reduced continuously in the following years and reached as 55% in 1960, 25% in 1980 and again increased to 29%(imported coal included) in 2009 The increase rate of use of renewable energy sources ... Engineering Companies Initiative 62(3): 282–292 4 Renewable Energy and Coal Use in Turkey Ali Osman Yılmaz Karadeniz Technical University/Department of Mining Engineering, Trabzon Turkey Introduction...

Ngày tải lên: 19/06/2014, 08:20

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Sustainable Growth and Applications in Renewable Energy Sources Part 5 doc

Sustainable Growth and Applications in Renewable Energy Sources Part 5 doc

... Enterprise In: Proceedings of the 18th International Mining Congress and Fair of Turkey Mining Engineers Chamber of Turkey Antalya Yılmaz, A O, & Aydıner, K (2009) The Place of Hard Coal in Energy ... therefore the incomes of families are in constant insecurity, making families to diversify their economy by 90 Sustainable Growth and Applications in Renewable Energy Sources engaging in minor or complementary ... Turkish Mining Sector, Istanbul Branch of Mining Engineers Chamber of Turkey, Working Report No :5, Istanbul Arıoğlu, E., & Yılmaz, A.O (2002a) General Outlook for Worldwide Hard Coal Mining and...

Ngày tải lên: 19/06/2014, 08:20

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Sustainable Growth and Applications in Renewable Energy Sources Part 6 doc

Sustainable Growth and Applications in Renewable Energy Sources Part 6 doc

... (directly incorporated into the wind turbine) and energy storage The home system components are as follows:  Generation It consists of a wind turbine that converts the kinetic energy of wind into ... the preventive maintenance plan for wind turbines and should include training for users at least once a year, especially to the young  Management committees in coordination with Installation Company ... considering wind turbines, batteries, inverters, meters and conductors  Constraints  Generation and accumulation: Energy and power balances at each point, required energy capacity in the batteries...

Ngày tải lên: 19/06/2014, 08:20

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