determination of gas phase state

... KINETIC MODELING OF GAS PHASE RADICAL REACTIONS SUN WENJIE (B Eng., Dalian University of Technology, China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMICAL & BIOMOLECULAR ... reduced moment of inertia I(m,n) to represent different approximations of the internal moment of inertia m indicates the level of reduction of the moment of inertia due to the coupling of internal ... the complexity of the reacting systems and because of the short lifetime of the radical intermediates To test the predicting capabilities of ab initio calculations for such gas phase radical reactions,...

Ngày tải lên: 11/09/2015, 09:15

... Introduction 1.1 Gas phase kinetics The study of elementary gas- phase reaction kinetics, a venerable area of chemical investigation, continues to play a prominent role in our understanding of fundamental ... product The infrared spectrum of formaldehyde, one of the products of C-C bond dissociation of CF3CH2O was not observed under a range of nitrite and argon buffer gas pressures Similar results ... .1 1.1 Gas phase kinetics 1.2 Reactions of O(3P) atoms with CS2 1.3 Photolysis of nitrite and atmospheric chemistry of alkoxy radicals 1.3.1 Photolysis of nitrite...

Ngày tải lên: 15/09/2015, 17:11

... acetone at a concentration of 500 µg/mL of each This solution is used in the preparation of the calibration solutions Dilute a portion of this solution by 10 to a concentration of 50 µg/mL and use this ... abundance of the quantitation ion of the analyte Ais = integrated abundance of the quantitation ion internal standard Qx = quantity of analyte injected in ng or concentration units Qis = quantity of ... concentration of analyte or surrogate in µg/L in the water sample Ax = integrated abundance of the quantitation ion of the analyte in the sample Ais = integrated abundance of the quantitation ion of the...

Ngày tải lên: 22/03/2014, 14:20

... a tilt of 4° was used Growth of SiC films on Si(111) was achieved using the chemical reaction of monocrystalline silicon and CO gas, supplied at a rate of 1–10 ncm3/min and a pressure of 0.1–10 ... enhancement of Raman signal: (a) multiple reflection of the incident light inside the void, (b) multiple reflection of the Raman signal in the SiC layer on top of the void and (c) the presence of additional ... maximum (FWHM) of the SiC-TO mode as a function of mapping distance The linewidth of the TO peak significantly increases at the cavities (by *3 cm-1), a result of the contribution of differently...

Ngày tải lên: 21/06/2014, 17:20

... molarities of mixture p1: input pressure, kPa p2: output pressure, kPa d: diameter of pipeline, m γ g : gas density, kg/m3 (6) (7) • T: temperature of fluid flow, K • Zav: averaged coefficient of compressibility ... the equation (2-1) becomes: dp fρυ = dL g c d (2) With gas flow, specific mass ρ can be defined from equation of state: ρ = pM/(ZRT) The gas velocity v is calculated with the formula: ⎛ ZTp sc ... ⎠ acc g c dL convection In case of vertical flow in the pipeline, the loss of energy is essential due to friction and changing of kinetic energy With assumption of isothermal stable flow and little...

Ngày tải lên: 22/07/2014, 10:21

... immediate effects of the gaseous phase of CS (GPS) on T lymphocytes, a cell group of the immune system, which has received little emphasis in the past The objective was to determine the mode of lymphocyte ... JC: Analysis of the gas phase of cigarette smoke by gas chromatography coupled with UV-diode array detection Anal Chem 2006, 78:4509-16 Graber R, Losa GA: Changes in the activities of signal transduction ... cigarette smoke through the wall of the capillary vessels on the surface of alveoli T cells are one of the major groups of immune cells activated and recruited at the sites of lung lesions caused by...

Ngày tải lên: 12/08/2014, 14:20

... CHANBASHA BASHEER (M Sc.) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMISTRY NATIONAL UNIVERISITY OF SINGAPORE 2004 GAS PREFACE Endocrine disrupting compounds (EDCs) are ... and the effects of these EDCs on humans and wildlife Endocrine disruption mechanisms include antagonism of hormones and inhibition of the synthesis and metabolism of hormones Many of the known EDCs ... encouragement iii LIST OF PUBLICATIONS [1] C Basheer, H K Lee, J P Obbard Determination of organochlorine pesticides in seawater using liquid -phase hollow fibre membrane microextraction and gas chromatography-mass...

Ngày tải lên: 16/09/2015, 17:12

... depends on: ‰ phase ratio (volume of acceptor phase to volume of donor phase) ‰ distribution ratio between donor phase and organic phase as well as between organic phase and acceptor phase Equations ... Extraction yield vs stirring speed of NSAIDs and clofibric acid Two -phase LPME extraction profile vs extraction time of NSAIDs and clofibric acid Chromatograms of NSAIDs and clofibric acid (at 10ppb) in ... placed between the two aqueous phases (donor phase and acceptor phase) This allows organic phase to be thin, behaving like membrane One of these aqueous phases (donor phase) contains the analytes...

Ngày tải lên: 10/11/2015, 11:00

... ADC of DM of test ingredient (%) = (ADC of DM of the test diet - 0.7 x ADC of DM of the reference diet)/0.3 ADC of nutrient of test ingredient (%) = [(nutrient in test diet x nutrient ADC of the ... method The determination of chromium III (trivalent) that involves digestion of organic matter, solubilisation of chromium and determination of chromium was Table Chemical compositions of studied ... means of three replicates with standard error (SE) 989 Determination of the digestibility of some plant ingredients for grass carp (Ctenopharyngodon idella) Table The digestibility of protein of...

Ngày tải lên: 28/08/2013, 09:14

... Calorific Value of coal = 14840 kJ/kg Carbon fraction of coal = 0.849948 Carbon fraction of natural gas = 0.75 Combustion efficiency of coal = 26% Combustion efficiency of natural gas = 80% Gas Turbine: ... HRSG, mg is the mass of gas (kg), hg is the enthalpy of gas at the inlet to the HRSG (kJ/kg), hstk is the enthalpy of gas at the stack conditions (kJ/kg), ms is the mass of steam generated in ... the work loss factor due to mixing of cooling air with hot ( gas in the gas turbine, hgt , g ) in ( and hgt , g ) out is the enthalpy of gas in and out of the gas turbine (kJ/kg), respectively...

Ngày tải lên: 05/09/2013, 15:28

... Regulation of S Phase 41 in the Walker A domains show S -phase defects and cell cycle arrest (Schwacha and Bell, 2001) Biochemical analysis of MCM helicase activity showed that the ATPase activity of ... expression of geminin, a protein inhibitory of Cdt1, increases in S -phase, further preventing MCM2-7 loading Regulation of S Phase 43 wise assembly of factors is regulated at each stage, mostly ... is also co-dependent with Cdc45, Dpb11, and Sld3; binding of any of Regulation of S Phase 47 these proteins depended on the presence of the others (Kubota et al., 2003; Takayama et al., 2003)...

Ngày tải lên: 25/10/2013, 21:20

... hostis) of another state in what might be thought of as a situation of European civil war.4 Obviously in the days of medieval Christendom, princes fought one another; and the Catholic church would often ... Decrees of 1819 which restricted freedom of expression The flexibility of the consultative process, which, together with the statesmanship of Metternich achieved a somewhat exaggerated ‘century of ... constricted universalism of the nation -state 8.2 The secularisation of international law: European public law In the de-universalising process of the emerging sovereign nation -state, Baron Christian...

Ngày tải lên: 01/11/2013, 08:20

... nationstate is something of an oxymoron: ‘there are very few states that consist of a single nation or ethnie’ Values of the state characteristically not reflect the same retrospection as those of ... sought through the vehicle of the state 9.2 Logical aspects of the modern state In sharp contrast to the shared myths, language and genealogy of the nation or tribe, the state can be something quite ... the states in existence today are of such ancient lineage Historical continuity of the states in existence today, as we have seen,39 has been surprisingly limited Most of the older, populous states...

Ngày tải lên: 01/11/2013, 08:20

Ngày tải lên: 09/12/2013, 19:15

... dq components of the stator, rotor current components of the stator current Stator current of phases u, v, w Torque of inertia Feedback matrix, state feedback matrix Lie derivation of the scalar ... The actual voltage uv of phase v The voltage errors Δuv The influence of tD on the trajectory of the stator voltage vector us as well as on the fundamental wave of the phase voltage are illustrated ... turn-on/turn-off times Tu_on, Tu_off, Tv_on, Tv_off, Tw_on and Tw_off of the inverter legs will be calculated and stored intermediately in a RAM table An interrupt signal T0IR is triggered at overflow of...

Ngày tải lên: 18/12/2013, 09:10

... provisions of this part of IEC 60076 For dated references, subsequent amendments to, or revisions of, any of these publications not apply However, parties to agreements based on this part of IEC ... measurement of sound intensity – Measurement with pairs of pressure sensing microphones IEC 61378 (all parts), Convertor transformers ISO 3746:1995, Acoustics – Determination of sound power levels of ... the presence of sound It is expressed in pascals 3.2 sound pressure level, L p ten times the logarithm to the base 10 of the ratio of the square of the sound pressure to the square of the reference...

Ngày tải lên: 25/12/2013, 10:36

... Process and Challenges, Hanoi 14 Damien J Neven (2000), Evaluating the effects of non-tariff barriers, University of Lausanne 15 The Australian APEC Study Centre-Monash University (2003), European ... http://www.dddn.com.vn/Desktop.aspx/TinTuc/DoanhNhan-Vn/ 23 http://www.moi.gov.vn/LDocument/ 24 http://www.thiennhien.org/About_ENV/Mission_Statement.html 25 http://www.vietnamstrade.org/index.php?f=news&do=categories&catid=2&lang= vietnamese...

Ngày tải lên: 06/02/2014, 20:27

... CPΠ-68-01 Proceeding of the 14th Conference, University of Mining and Geology, Hanoi, 17th November (2004) 50 [7] Ha Van Tan (Chief Ed.), Archaeology of Viet Nam, The Publisher of Social Science, ... was of the Ultima Gold AB series of DIN–based cocktails This cocktail was designed specifically, for alpha/beta separation, by the Packard Instrument Company with an aqueous concentration of approximately ... three counting The annual dose of beta (mGy/yr) was evaluated from: Dβ = 2,22.10-3.Cβ and that of gamma (mGy/yr) from: Dγ = 0.1752.Iγ, where Cβ is the specify activity of beta (Bq/kg), and (Iγ) is...

Ngày tải lên: 13/02/2014, 04:20