expansion compression of ideal gas

5 3  partition function and thermodynamic functions of ideal gases

5 3 partition function and thermodynamic functions of ideal gases

... functions of ideal gases   =  =(2m 5.3.1 Partition function of ideal gases (10)  The particles of ideal gas can move well inside the volumetric flask, but they can not move beyond the limits of the ... move in the container of volume V: = 5.3 Partition function and thermodynamic functions of ideal gases   5.3.1 Partition function of ideal gases  We thus have an integral of the form:  This is ... thermodynamic functions of ideal gases   5.3.1 Partition function of ideal gases  Setting (8) (9) To replace (8) and (9) into (7), we have: (10)  Considering the ideal gases including N identical...

Ngày tải lên: 19/01/2018, 13:42

9 147 1
Báo cáo y học: "Foramen Magnum Arachnoid Cyst Induces Compression of the Spinal Cord and Syringomyelia: Case Report and Literature Review"

Báo cáo y học: "Foramen Magnum Arachnoid Cyst Induces Compression of the Spinal Cord and Syringomyelia: Case Report and Literature Review"

... to pre-surgery The results of pathological examination showed that the wall of the cyst was composed of fibrous tissue but without epithelial cells; the diagnosis of arachnoid cyst was made (Figure ... of Chiari malformation type I, we thought that sufficient decompression of the posterior fossa and dural suture closure would have a better treatment effect [32-35] It has been shown that decompression ... Aghakhani et al [32] reported 157 cases of treatment of Chiari malformation type I Clinical improvement occurred in 63.06% of these cases, and the percentage of reduction in syrinxes was 90% Wetjen...

Ngày tải lên: 25/10/2012, 11:00

6 657 0
Impacts of Greenhouse Gas on Feed and Livestock Production

Impacts of Greenhouse Gas on Feed and Livestock Production

... (2000) Effect of feeding characteristics on methane production • Digestible organic matter or energy • Residence time in the rumen and level of intake • Source of C and pattern of fermentation ... forecasted to 590 mm/y in the end of century Source: Robert A Rohde (2006) available from: http://en.wikipedia.org/wiki/File:Greenhouse _Gas_ by_Sector.png “Livestock, one of top two or three most contributors ... (Steinfeld et al 2006) A process-based model of emissions from an animal production system Source: NRC (2003) Table Livestock's contribution to greenhouse gas emissions Parameter Value Comments Livestock’s...

Ngày tải lên: 14/04/2013, 16:04

24 308 0
Tài liệu Department of Conservation Division of Oil, Gas, and Geothermal Resources docx

Tài liệu Department of Conservation Division of Oil, Gas, and Geothermal Resources docx

... TEG Oil and Gas USA, Inc Windrush Operating Co., LLC HIWA Petroleum Corp Mendell Davis Gas Partners, LLC Mendell Davis Gas Partners, LLC Elliott & Ten Eyck Ltd Incremental Oil and Gas, LLC Gibson ... Exploration, LLC Cimarron Oil LLC Cimarron Oil LLC Princeton Natural Gas, LLC Forty Mile Creek Company, LLC Gasch & Associates Vern Jones Oil and Gas Corporation ABA Energy Corporation Salinas Energy Corporation ... LLC K.B Oil & Gas K.B Oil & Gas Drilling & Production Co Delta Petroleum Corporation Delta Petroleum Corporation Imperial Occidental Pentarch Petroleum Venoco, Inc California Oil & Gas Corporation...

Ngày tải lên: 15/02/2014, 13:20

26 400 0
Prevention of Rotavirus Gastroenteritis Among Infants and Children: Recommendations of the Advisory Committee on Immunization Practices (ACIP) pot

Prevention of Rotavirus Gastroenteritis Among Infants and Children: Recommendations of the Advisory Committee on Immunization Practices (ACIP) pot

... clinical features of rotavirus gastroenteritis not differ distinctly from those of gastroenteritis caused by other pathogens, confirmation of rotavirus infection by laboratory testing of fecal specimens ... score) on the basis of intensity and duration of fever, vomiting, diarrhea, and changes in behavior The efficacy of RV5 against G1−G4 rotavirus gastroenteritis of any grade of severity through ... Prevention of rotavirus gastroenteritis of any severity caused by circulating wildtype strains from wks after dose until end of first rotavirus season Prevention of wild-type G1−G4 rotavirus gastroenteritis...

Ngày tải lên: 05/03/2014, 12:20

28 668 0
Báo cáo khoa học: "A Two-step Approach to Sentence Compression of Spoken Utterances" pdf

Báo cáo khoa học: "A Two-step Approach to Sentence Compression of Spoken Utterances" pdf

... deleted) • The log likelihood of the candidate sentence based on the language model • The absolute difference of the compression ratio of the candidate sentence with that of the first ranked candidate ... how often our system output contains reference compressions based on the references We found that 50.8% of system generated compressions appear in the references when using CRF output with a compression ... from the compressions from the previous step Therefore for each sentence, we have human compressions, as well a best one selected by the majority of the annotators in the second step The compression...

Ngày tải lên: 07/03/2014, 18:20

5 425 1
Báo cáo khoa học: Neutral N-glycans of the gastropod Arion lusitanicus potx

Báo cáo khoa học: Neutral N-glycans of the gastropod Arion lusitanicus potx

... structures Examination of regions I and II of the reverse-phase pattern suggested the presence of small paucimannosidic structures Therefore a further Fig MALDI-TOF MS spectra of pyridylaminated ... by HF-treatment of the glycans and not by the usual amounts of commercially available fucosidases (Fig 5), which confirmed the occurrence of a low amount of a1,3-fucosylation of the core in both ... the occurrence of which seems to be highly regulated The traces of Me2GlcM9 may be a relic of the early events of glycan processing or play an important role in folding or assembly of a special...

Ngày tải lên: 16/03/2014, 16:20

9 293 0
ag doped wo3-based powder sensor for the detection of no gas in air

ag doped wo3-based powder sensor for the detection of no gas in air

... out to monitor the concentration of NO and NO2 gases because of the low concentration, one of the roles of the Ag is apparent to provide surface for the conversion of NO to NO2 according to the ... controlled furnace Thus, this bed of g of 2% Ag/Al2O3 catalyst was inserted between the gas supply and the pure WO3 sensor This setup allowed the physical separation of the Ag from WO3 with different ... degree of local order non-stoichiometry structure in the sensor material However, identi®cation of this phase(s) by XRD in the background of WO3 was proved to be very dif®cult because of the...

Ngày tải lên: 19/03/2014, 16:47

8 502 0
detection of organic gases using tio2 nanotube - based gas sensors

detection of organic gases using tio2 nanotube - based gas sensors

... on the promotion of the gas sensitivity through the porosity control of gas sensing films The porosity was controlled by changing the calcination temperature and the condition of ball-milling ... used as target gases The rate of gas- flow was fixed at 0.1 dm3/min and the device temperature was set at 500oC The sensor response was defined as Rair / Rgas, where Rair and Rgas are the electric ... air and in a test gas, respectively Results and Discussion 3.1 Characterization of nanotubular TiO2 films Figure shows SEM images of the surface of TiO2 thick films composed of nanoparticles (a)...

Ngày tải lên: 19/03/2014, 16:47

4 343 0
recovery properties of hydrogen gas sensor with pdtitanate

recovery properties of hydrogen gas sensor with pdtitanate

... simulation gas containing 1% H2 The schematic of measurement settings is shown in Fig 2b Fresh air was introduced then inlet and outlet of the chamber were closed The device was exposed to a hydrogen gas ... employed to fix the gas flow rate The gas concentration was controlled by selecting appropriate values of the flow rates For practical poisoning test for the hydrogen sensor, 500 ppm H2S gas was fed for ... sample gas (Vg) and that in air (Va): DV = Vg À Va Compositions of the fabricated sensor materials and the voltage responses of each sensor were listed in Table Fig shows the response of sensors...

Ngày tải lên: 20/03/2014, 13:06

7 393 0
semiconducting metal oxide sensor array for the selective detection of combustion gases

semiconducting metal oxide sensor array for the selective detection of combustion gases

... 1999 from the Institute of Electronics of the National Academy of Sciences of Belarus In 1981–2000 he worked at the Physical Technical Institute of the Academy of Sciences of Belarus, Minsk, first ... almost all of the characteristics of the full feature space Fig shows the PCA of the data from three trials with different gas sequences (i.e from one of the trials based on the sequence of CH4–CO–NO–NO2–NH3–SO2–H2S, ... shape of the response, it is minimal compared 131 to influence of the type of gas Since we wish to identify the gas by their types, and not their concentrations, we have only focused on the shape of...

Ngày tải lên: 20/03/2014, 13:07

9 503 0
Compression of morbidity in the elderly pot

Compression of morbidity in the elderly pot

... contributes to the compression of morbidity The central measure of success of the compression of morbidity is reduction in the average cumulative lifetime morbidity [19] How long may the onset of morbidity ... morbidity in a typical life, the so-called ``failure of success'' [8,9], as shown in the second line of the ®gure If postponement of the age of onset of morbidity predominates, then morbidity is compressed ... goal is the compression of morbidity between its time of onset, currently averaging 55 years, and the age of death, currently averaging 75 years, as diagrammed in Fig A crescendo of increasing...

Ngày tải lên: 22/03/2014, 14:20

6 435 0
Báo cáo "Determining thermal expansion coefficients of three-phase fiber composite material reinforced by spherical particles " potx

Báo cáo "Determining thermal expansion coefficients of three-phase fiber composite material reinforced by spherical particles " potx

... ratio of fibre and matrix phase shear moduli of fibre and matrix phase Poisson’s ratio of fibre and matrix phase plane strain bulk modulus of composite material of aligned fibres shear modulus of ... composite material of aligned fibres Young’s modulus of composite material of aligned fibres volume fraction of fibre phase transverse linear thermal expansion coefficient of two - phase composite ... as functions of elastic specificities of constituents, thermal expansion coefficients of constituents, volume fractions of fibre and particle constituent For composite material of epoxy resin...

Ngày tải lên: 28/03/2014, 13:20

9 280 0
Approaches to Scaling of Trace Gas Fluxes in Ecosystems potx

Approaches to Scaling of Trace Gas Fluxes in Ecosystems potx

... predicting gas transfer under a range of environmental conditions The methods of determining k often rely on the use of gases other than the gas of interest Corrections to the k of the relevant gas ... effort of a diverse group of scientists to review the stateof-the art in the field of scaling of fluxes of greenhouse gases and ozone and aerosol precursors It focuses on identification of gaps ... review of the use of isotopes and tracers in validation and scaling of trace gas fluxes, and to Sofiev (1999) for a discussion on validation and representativeness of measurement data A review of...

Ngày tải lên: 29/03/2014, 17:20

326 363 0
fundamentals of natural gas processing

fundamentals of natural gas processing

... i-Butane Gas lift & reinjection n-Butane Natural gasoline Condensate Raw natural gas Compression Field treating Casinghead gas Lease separator Oil well Gas well Lease separator Gas Gas well Gas Oil ... GPM of the Alberta gas given in Table 1.4 Computation of the GPM requires summation of the product of the number of moles of each component in 1,000 scf of gas by the gallons of liquid per mole ... programs of the U.S Department of Energy © 2006 by Taylor and Francis Group, LLC Overview of Gas Plant Processing 2.1 ROLES OF GAS PLANTS Gas plants play a variety of roles in the oil and gas industry...

Ngày tải lên: 02/04/2014, 15:58

429 3.5K 0
new developments in the chemistry of war gasses   1950

new developments in the chemistry of war gasses 1950

... reaction of alkyl iodides with silver fluophosphat,e, as shown in the following steps: + 3NH4F + NHdOPOFa + (NH40)zPOF (NH40)zPOF + 2AgNOa + (Ag0)2POF + 2NHdN03 (Ag0)zPOF + 2RI -+ (R0)ZPOF + 2AgI ... period of time deposit a fluffy mass of small crystals, the rate of formation of which increases with an increase in temperature Changes in the length of the alkyl chain R and the presence of solvents ... &s war gases The large amount of work carried out on the preparation of these compounds led to the discovery of many interesting substances and to the development of several new methods of synthesis...

Ngày tải lên: 09/05/2014, 17:01

33 475 0
absorption of nitrous gases

absorption of nitrous gases

... Cooling of gases Partial pressure of nitrogen tetroxide Total pressure of gases The concentration of nitrous gases by various methods Liquefaction Velocity of gases Liquid phase Effect of temperature ... number of gram-mols.) of nitric oxide M = Initial volume (or number of gram-mols.) of oxygen pc = Volume of oxygen changed in time t in 100 volumes of mixture V = Total initial volume of gas at ... Volumes of Nitrogen and Oxygen Curves showing the times (seoonds) of oxidation of various percentages of the nitric oxide in different mixtures of that gas with a mixture of equal volumes of nitrogen...

Ngày tải lên: 09/05/2014, 17:03

377 175 0
SYNTHESIZE AND INVESTIGATE THE CATALYTIC ACTIVITY OF THREE-WAY CATALYSTS BASED ON MIXED METAL OXIDES FOR THE TREATMENT OF EXHAUST GASES FROM INTERNAL COMBUSTION ENGINE

SYNTHESIZE AND INVESTIGATE THE CATALYTIC ACTIVITY OF THREE-WAY CATALYSTS BASED ON MIXED METAL OXIDES FOR THE TREATMENT OF EXHAUST GASES FROM INTERNAL COMBUSTION ENGINE

... catalytic activity of three-way catalysts based on mixed metal oxides for the treatment of exhaust gases from internal combustion engine CONTENT OF THESIS LIST OF TABLES LIST OF FIGURES INTRODUCTION ... Influence of different reaction conditions on the activity of MnCoCe 1-3-0.75 69 3.2.4 Activity for the treatment of soot and the influence of soot on activity of MnCoCe 1-3-0.75 72 3.2.5 Influence of ... of MnCoCe 1-3-0.75 at room temperature 80 3.3 Study on the improvement of NOx treatment of MnO2Co3O4-CeO2 catalyst by addition of BaO and WO3 81 3.4 Study on the improvement of the activity of...

Ngày tải lên: 12/05/2014, 17:14

117 376 0
Báo cáo hóa học: "DNA polymeraseh protein expression predicts treatment response and survival of metastatic gastric adenocarcinoma patients treated with oxaliplatin-based chemotherapy" pot

Báo cáo hóa học: "DNA polymeraseh protein expression predicts treatment response and survival of metastatic gastric adenocarcinoma patients treated with oxaliplatin-based chemotherapy" pot

... Expression analysis of POL h protein in gastric cancer cell lines by western blotting and 48 h IC50 values of oxaliplatin for gastric cancer cells (umol/L) tumors with more than 5% of POLh-positive ... SGC7901, AGS, MKN45, and MGC803, were donated by Professor Page of Libing Song from State Key Laboratory of Oncology in Southern China (Cancer Center of Sun yet-sen University) All cell lines were ... control ImageJ software from National Institutes of Health (NIH) was employed to quantify protein Page of negative predictive value, and accuracy was calculated as proportion of true positive...

Ngày tải lên: 18/06/2014, 16:20

9 610 0
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