energy enthalpy and specific heats of ideal gases

Performance analysis of an endoreversible rectangular cycle with heat transfer loss and variable specific heats of working fluid

Performance analysis of an endoreversible rectangular cycle with heat transfer loss and variable specific heats of working fluid

... 8-10 show the effects of a p and bv on cycle performance From Eqs (1) and (2), one can see that when k =0 , C pm = a p and Cvm = bv , a p and bv are constant specific heats of working fluid Because ... Meh Energy) , 2007, 58(1): 1-12 [19] Chen L, Ge Y, Sun F, Wu C Effects of heat transfer, friction and variable specific heats of working fluid on performance of an irreversible Dual cycle Energy ... simulation of performance of an Otto cycle with heat transfer and variable specific heats of working fluid Int J Therm Sci., 2005, 44(5):506-511 [21] Ge Y, Chen L, Sun F, Wu C The effects of variable specific...

Ngày tải lên: 09/09/2015, 10:17

8 336 0
Energy efficiency and cost analysis of canola production in different farm sizes

Energy efficiency and cost analysis of canola production in different farm sizes

... heat of the output products and the total sequestered energy in the production factors Energy productivity is the amount of a product obtained per unit of input energy Energy output and net energy ... that, in all of the farm groups, the rate of direct energy was greater than that of indirect energy and the contribution of non-renewable energy forms was higher than that of renewable energy consumption ... efficiency, energy productivity, specific energy and net energy were calculated using the following Eqs [8]: Energy use efficiency = (Energy output (MJ ha-1)) / (Energy input (MJ ha-1)) (1) Energy...

Ngày tải lên: 05/09/2013, 16:30

8 474 0
Tài liệu Báo cáo khoa học: DNA strand exchange activity of rice recombinase OsDmc1 monitored by fluorescence resonance energy transfer and the role of ATP hydrolysis pptx

Tài liệu Báo cáo khoa học: DNA strand exchange activity of rice recombinase OsDmc1 monitored by fluorescence resonance energy transfer and the role of ATP hydrolysis pptx

... between donor and acceptor dyes, will therefore unveil the status of physical union and separation of complementary strands during renaturation and strand exchange, respectively, and thereby assesses ... labeled Phi-W and rhodamine labeled Phi-C (1) with 1.25 lM of OsDmc1 in absence of ATP; (2) with 1.25 lM of OsDmc1 in presence of 2.0 mM of AMP-PNP; (3) with 1.25 lM of OsDmc1 in presence of 2.0 mM ... strand exchange reaction Effect of homology dependence and ATP hydrolysis on strand exchange activity Strand exchange was monitored as a function of reaction time, at a fixed concentration of...

Ngày tải lên: 19/02/2014, 07:20

10 569 0
Determinants of General Health Status and Specific Diseases of Elderly Women and Men: A Longitudinal Analysis for Western and Eastern Germany doc

Determinants of General Health Status and Specific Diseases of Elderly Women and Men: A Longitudinal Analysis for Western and Eastern Germany doc

... urgency; abruptness of gesture and speech; overcommitment to vocation or profession; and excesses of drive and hostility” and is known to be closely related to heart diseases We measured and classified ... presence of hypertension and that of diseases of the digestive system were associated with higher odds of suffering diseases of the circulatory system An increased likelihood of having diseases of ... presence of other diseases of the circulatory system, diseases of the musculoskeletal system and connective tissue and the presence of diseases of the genitourinary system Further, the presence of...

Ngày tải lên: 22/03/2014, 13:20

61 545 0
The green brewery concept - Energy efficiency and the use of renewable energy sources in breweries ppt

The green brewery concept - Energy efficiency and the use of renewable energy sources in breweries ppt

... Brewery A and C fill KEGs, brewery A and B fill returnable bottles, and brewery B has a non-returnable filling line as well 3.2 Energy balance and minimal energy demand TE D The energy balance of different ... the sensibility of workers and managers The calculation of minimal energy demand of processes has proven to be efficient in SC evaluating distribution and process efficiencies and stimulating ... curves of remaining thermal energy demand by temperature levels SC - Thermal energy balance -Benchmarking - Calculation of thermodynamic minimum energy demand Section 1.1 Checkpoints – entry of key...

Ngày tải lên: 24/03/2014, 04:20

38 750 0
Báo cáo hóa học: " Sargassum fusiforme fraction is a potent and specific inhibitor of HIV-1 fusion and reverse transcriptase" pot

Báo cáo hóa học: " Sargassum fusiforme fraction is a potent and specific inhibitor of HIV-1 fusion and reverse transcriptase" pot

... antiretroviral activity against both X4 and R5-tropic HIV-1, specificity of inhibition of viral fusion mediated against CD4 receptor, and post entry inhibition of the HIV-1 RT Compounds isolated from ... entry into cells consists of two distinct steps of 1) virus binding to the cellular receptor and coreceptor, which is followed by 2) fusion of the viral and cellular Page of (page number not for ... http://www.virologyj.com/content/5/1/8 Figure Inhibition of X4 and R5-tropic HIV-1 Inhibition of X4 and R5-tropic HIV-1 GHOST X4/R5 and GFP expressing cells were plate at × 105/well in 12-well plates and incubated at 37°C in...

Ngày tải lên: 20/06/2014, 01:20

9 438 0
báo cáo hóa học: " Exponential energy decay and blow-up of solutions for a system of nonlinear viscoelastic wave equations with strong damping" ppt

báo cáo hóa học: " Exponential energy decay and blow-up of solutions for a system of nonlinear viscoelastic wave equations with strong damping" ppt

... (3:3) Proof The proof is almost the same that of Said-Houari [26], so we omit it here □ To prove our result and for the sake of simplicity, we take a = b = and introduce the following: Liang and Gao ... or polynomial decay of the solutions energy, depending on the decay rate of the relaxation functions g(s) and h(s) For the problem (1.1) in ℝn, we mention the work of Kafini and Messaoudi [10] ... (1.1), whose proof can be found in Han and Wang [19] (Theorem 2.1) with slight modification, so we will omit its proof In the proof, the authors adopted the technique of Agre and Rammaha [22]...

Ngày tải lên: 21/06/2014, 00:20

19 370 0
Energy Transmission and Grid Integration of AC Offshore Wind Farms pot

Energy Transmission and Grid Integration of AC Offshore Wind Farms pot

... (> 45 Km) 32 Energy Transmission and Grid Integration of AC Offshore Wind Farms Opening year The new offshore wind farms and offshore wind farm projects are bigger and bigger and at longer distances ... big offshore wind energy potential with the energy consumption areas are not prepared to transport huge amount of energy The depth of the seabed: The cost and construction difficulties for an offshore ... penetration of wind power in electricity consumption are: Portugal (14.8%), Spain (14.4%) and Ireland (10.1%) Energy Transmission and Grid Integration of AC Offshore Wind Farms share % Finland Czech...

Ngày tải lên: 28/06/2014, 17:20

258 223 0
Báo cáo sinh học: "Robust and specific inhibition of microRNAs in Caenorhabditis elegans" doc

Báo cáo sinh học: "Robust and specific inhibition of microRNAs in Caenorhabditis elegans" doc

... loss of function mutant strains of lin-4 and let-7 For example, progeny of animals injected with antisense oligonucleotides against lin-4 show delayed exit in differentiation of seam cells and ... Zamore PD: Sequence -specific inhibition of small RNA function PLoS Biol 2004, 2:e98 doi:10.1186/jbiol230 Cite this article as: Kundu ST and Slack FJ: Robust and specific inhibition of microRNAs in ... effective tool for the robust and specific inhibition of miRNA function in vivo This technique would be very useful for studying the different biological functions of essential and novel miRNAs in C...

Ngày tải lên: 06/08/2014, 19:21

3 204 0
Báo cáo y học: " General and Specific Components of Depression and Anxiety in an Adolescent Population" pdf

Báo cáo y học: " General and Specific Components of Depression and Anxiety in an Adolescent Population" pdf

... “pseudofactors” as artefacts of item difficulty or extremeness and can generate incorrect test statistics and standard errors [11] The purpose of the present study was to analyse common and distinct ... general -specific model, with a general distress factor distinguished from more specific components of depression and anxiety These specific components account for the unique influence of the specific ... Mplus and FACTOR results, supports the hypothesis of a general distress factor for depression and anxiety which accounts for a large proportion of the communality of depression and anxiety items and...

Ngày tải lên: 11/08/2014, 16:21

38 398 0
Báo cáo y học: " Bench-to-bedside review: Molecular pharmacology and clinical use of inert gases in anesthesia and neuroprotection" ppt

Báo cáo y học: " Bench-to-bedside review: Molecular pharmacology and clinical use of inert gases in anesthesia and neuroprotection" ppt

... example, has a value of α of 4.04 Å3, which is 19 times greater than that of helium (0.21  Å3) and 10 times that of neon (0.39  Å3) Argon and krypton have α values of 1.64 Å3 and 2.48 Å3, respectively, ... interactions) and/ or charge-induced dipole interactions Both of these enthalpy terms are proportional to the polarizability (α) of the gas (Table  1) Relative to a particular standard state, the energy of ... coefficient of 1.4 and an oil/gas partition coefficient of 97, and for sevoflurane these values are 0.69 and 53, respectively [64] Xenon’s properties of cardiovascular stability, rapid onset and emergence...

Ngày tải lên: 13/08/2014, 20:22

12 287 0
Energy, exergy and environmental analysis of a hybrid combined cooling heating and power system utilizing biomass and solar energy

Energy, exergy and environmental analysis of a hybrid combined cooling heating and power system utilizing biomass and solar energy

... inlet and outlet exhaust gas of absorption chiller, respectively cp,jw is the average specific heat of jacket water and the Tjw,o and Tjw,i are the outlet and inlet temperature of cooling water of ... flux of the evaporation section, and qv and Tv are the density and temperature of the vapor, respectively hlv (kJ/kg) is the latent heat of vaporization, and Psat and Pa (kPa) are the pressures of ... performance, the proportions of the solar energy and biomass energy inputs play a crucial role on the energy efficiency and exergy efficiency Herein, the solar energy and biomass energy ratios are defined...

Ngày tải lên: 29/07/2016, 14:01

12 428 0
Energy and exergy analysis of particle dispersed latent heat storage system

Energy and exergy analysis of particle dispersed latent heat storage system

... making and energy storage Dr.Pohekar is a life member of Solar energy society of India and International society of multi-criteria decision making, and fellow of Institution of Engineers (India) and ... performance of particle dispersed unit and that of conventional pure PCM charged unit is presented for different mass flow rates and inlet temperatures of HTF Physical model The LHTS system consists of ... x, t ) − Tw ( x, t )] (1) where cf is the specific heat of HTF (J/kg.K), mf is the mass flow rate of HTF (kg/s), Tf and Tw are temperatures (K) of HTF and wall respectively, ri is the tube inner...

Ngày tải lên: 05/09/2013, 16:10

14 510 1
Changes of temperature data for energy studies over time and their impact on energy consumption and CO2 emissions. The case of Athens and Thessaloniki – Greece

Changes of temperature data for energy studies over time and their impact on energy consumption and CO2 emissions. The case of Athens and Thessaloniki – Greece

... main field of interest is the analysis of energy systems, the design of HVAC systems and the energy conservation Dr Papakostas is member of ASHRAE and member of the Greek Institute of Solar Technology ... International Standard 13790: Energy performance of buildings – Calculation of energy Use for space heating and cooling, International Organization for Standardization, 2008 [2] ASHRAE Handbook of Fundamentals, ... indicator and the basis for calculations of heating and cooling energy demand [1] or for estimating bin data and heating and cooling degree-days at any base [2, 10, 11] Table shows the monthly and...

Ngày tải lên: 05/09/2013, 16:10

14 548 0
Tài liệu tiếng anh Điện tử công suất mạch MERS Loss and rating consideration of a wind energy conversion system with reactive compensation by magnetic energy recovery switch

Tài liệu tiếng anh Điện tử công suất mạch MERS Loss and rating consideration of a wind energy conversion system with reactive compensation by magnetic energy recovery switch

... system loss and rating investigations Magnetic Energy Recovery Switch (MERS) Configuration and operation The configuration of the magnetic energy recovery switch (MERS) consists of forced commutated ... loss and rating considerations of this solution further First, the basics of the MERS configuration are introduced This is followed by description of experiments on a 50 kW PM generator and theoretical ... voltage and current waveforms with two different modes of operation needed, representing a major cost and loss component Another issue is the size of the generator which grows large with low speed and...

Ngày tải lên: 15/10/2013, 16:11

6 802 0
Tài liệu Báo cáo khoa học: Specific targeting of a DNA-alkylating reagent to mitochondria Synthesis and characterization of [4-((11aS)-7-methoxy-1,2,3,11a-tetrahydro-5H-pyrrolo[2,1-c][1,4]benzodiazepin-5-on-8-oxy)butyl]-triphenylphosphonium iodide doc

Tài liệu Báo cáo khoa học: Specific targeting of a DNA-alkylating reagent to mitochondria Synthesis and characterization of [4-((11aS)-7-methoxy-1,2,3,11a-tetrahydro-5H-pyrrolo[2,1-c][1,4]benzodiazepin-5-on-8-oxy)butyl]-triphenylphosphonium iodide doc

... potential, and addition of a TPP-moiety has been used to drive the selective uptake of a wide variety of Ó FEBS 2003 Fig Selective uptake of mitoDC-81 by mitochondria and subsequent alkylation of mtDNA ... mitochondria and cells In addition to facilitating the development of antigenomic therapies, such a reagent might also be useful in investigating the rate of turnover of mtDNA and in the derivation of ... cells The reasons for the lack of alkylation of mtDNA within mitochondria by mitoDC-81 are unclear The local concentrations of mitoDC-81 and DNA, and the duration of the experiments were ample...

Ngày tải lên: 20/02/2014, 11:20

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Báo cáo Y học: Binding of Thermomyces (Humicola) lanuginosa lipase to the mixed micelles of cis-parinaric acid/NaTDC Fluorescence resonance energy transfer and crystallographic study ppt

Báo cáo Y học: Binding of Thermomyces (Humicola) lanuginosa lipase to the mixed micelles of cis-parinaric acid/NaTDC Fluorescence resonance energy transfer and crystallographic study ppt

... lack of a hydroxyl group of Ser146 diminishes the role of this residue in the stabilization of the substrate– ligand molecule, leading to the ÔconfusionÕ of the enzyme in the process of the ligand ... case of molecule A (chain A) and molecule ˚ B (chain B), with a rmsd of 0.17 A between the corresponding Ca atoms of molecule A and B However, due to the high mobility and the resulting lack of ... catalytic cleft of TLL The stereoview of OA binding modes in molecule A and B (OA_A and OA_B, respectively, thick lines); C9 and C10 correspond to the position of these atoms in the OA_A ligand, where...

Ngày tải lên: 08/03/2014, 23:20

9 424 0
TESTIMONY BEFORE THE HOUSE SELECT COMMITTEE ON ENERGY INDEPENDENCE AND GLOBAL WARMING U.S. HOUSE OF REPRESENTATIVES pptx

TESTIMONY BEFORE THE HOUSE SELECT COMMITTEE ON ENERGY INDEPENDENCE AND GLOBAL WARMING U.S. HOUSE OF REPRESENTATIVES pptx

... INSTITUTE Table Types of Projects Funded by Voluntary Carbon Offset Purchases Type of Project Percentage by Number of Projects Land Use and Forestry 56% Renewable Energy 25% Demand-Side Energy Efficiency ... standard set of guidance for additionality would greatly aid the credibility of the voluntary market Monitoring and Verification Standards Of existing U.S standards and programs, only CCAR and ... additionality of their projects 20, 21 A standard set of guidance or criteria would aid the credibility of offset markets tremendously 22 Monitoring and Verification Standards Monitoring and verification...

Ngày tải lên: 15/03/2014, 16:20

15 533 0
Autoimmune Diseases – Contributing Factors, Specific Cases of Autoimmune Diseases, and Stem Cell and Other Therapies pdf

Autoimmune Diseases – Contributing Factors, Specific Cases of Autoimmune Diseases, and Stem Cell and Other Therapies pdf

... Factors, Specific Cases of Autoimmune Diseases, and Stem Cell and Other Therapies thereby lowering the pH of the blood The combination of hyperglycemia and acidosis is called diabetic ketoacidosis and ... studies specificity of the T cell response was confirmed by isolation of CD4+ and CD8+ T cell clones specific for the insulin epitopes The most convincing evidence of a pathogenic role of insulin specific ... incidence and time course of insulitis prior to diagnosis and correlating it to the presence, and persistence of circulating immune markers, will be crucial for our understanding of the disease and...

Ngày tải lên: 16/03/2014, 21:20

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Green Illusions: The Dirty Secrets of Clean Energy and the Future of Environmentalism

Green Illusions: The Dirty Secrets of Clean Energy and the Future of Environmentalism

... Honig is just one of several dozen wineries to take advantage of these government handouts of your money, and wineries represent just a handful of the thousands of industries and mostly wealthy ... Olson University of Nebraska–Lincoln The Dirty Secrets of Clean Energy and the Future of Environmentalism Ozzie Zehner University of Nebraska Press Lincoln and London Both text and cover are printed ... within the communities of scientists, engineers, and other experts who work on solar energy But because of specialization and occupational silo effects, few of these professionals capture the...

Ngày tải lên: 16/03/2014, 22:02

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