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kinetics of reaction
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  反应动力学
     Kinetics of reaction between CaS and CaSO_4 under N_2 atmosphere
     CaSO_4与CaS在N_2气氛下反应动力学
短句来源
     KINETICS OF REACTION IN THE SYSTEM FLY ASH-Ca(OH)_2-H_2O
     粉煤灰-Ca(OH)_2-H_2O系统中的反应动力学
短句来源
     Study of Kinetics of Reaction of Lithium Deuteride Powder With O_2,CO_2 and Water Vapor
     氘化锂粉末与O_2,CO_2和水汽的反应动力学研究
短句来源
     The kinetics of reaction of lithium deuteride powder with O_2, CO_2 and water vapor is (studied.)
     研究了28℃下,氘化锂粉末与O2,CO2和水汽的反应动力学
短句来源
     Kinetics of reaction of Cu(II) ion incorporating into tetrakis (N-carboethoxymethyl-3-pyridyl) Porphyrin bromide (H_2T_(β-N-EAES)PyPBr_4) was studied in different concentration solution of NaclO_4 spectrophotomertrically. Catalysis of NaClO_4 was proved for the reaction.
     在不同离子强度的高氯酸钠水溶液中,用分光光度法测量自由卟啉H_2T_(β-N-EAES)PyPBr_4(简记为H_2P~(4+))与Gu(Ⅱ)离子的配位反应动力学,探讨高氯酸钠对Cu(Ⅱ)离子嵌入自由卟啉反应的催化本质.
短句来源
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  反应的动力学
     THE KINETICS OF REACTION BETWEEN Cu_2s-Cu SYSTEM MELTS AND HYDROGEN
     Cu_2S-Cu系熔体与氢反应的动力学
短句来源
     STUDY OF THE PREPARATION OF URANIUM (Ⅲ)BY ELECTROLYSIS AND KINETICS OF REACTION OF U~(3+) WITH H~+
     对电解法制备铀(Ⅲ)诸因素的探讨和U~(3+)与H~+反应的动力学研究
短句来源
     The kinetics of reaction of molten cuprous sulphide with hydrogen has been investigated at 1150, 1200 and 1250℃ respectively.
     本文研究了在1150℃,1200℃和1250℃下熔锍Cu_2S与氢反应的动力学
短句来源
     The kinetics of reaction between cardanol and formaldehyde catalyzed by ammonium chloride, has been studied and effects of reaction process parameters, i.e. ,catalyst concentration, cardanol-formaldehyde molal ratio and temperature have been investigated.
     本文研究了氯化铵催化腰果酚与甲醛反应的动力学和影响反应的一些参数,如腰果酚与甲醛的摩尔比、催化剂的浓度以及反应温度。
短句来源
     Kinetics of Reaction of Acrylic and Epoxy Resin
     KOH催化环氧树脂与丙烯酸反应的动力学研究
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  “kinetics of reaction”译为未确定词的双语例句
     Mechanism and Kinetics of Reaction N_2H_4+F
     N_2H_4+F的反应机理和动力学研究
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     The electrochemical kinetics of reaction system were researched and the reaction order, electron transfer coefficient and rate constant were calculated. The probable mechanism of electrocatalytic oxidation was proposed.
     探讨了该催化氧化反应体系的电化学动力学规律,由电化学动力学测定并计算出了该催化体系反应的反应级数、电子转移系数、反应速率常数,并进一步提出了电催化氧化可能的反应机理。
短句来源
     Studies on Kinetics of Reaction Between Tb 3+ and Human Oxyhemoglobin by Stopped flow Fluorometry
     Tb~(3+)与氧合血红蛋白反应动力学的停流荧光光度法研究
短句来源
     Study on Chemical Kinetics of Reaction Between Goethite and Chlorhydric Acid
     针铁矿与盐酸反应的化学动力学研究
短句来源
     The Arrhenius actiYation energy was found to be 44.7 kJ mol~(-1) The leaching reaction in sulfuric acid solutions at the concentrations 5.3—11.5 mol·dm~(-3) followed the shrinking core model, and the kinetics of reaction was controlled by the chemical process on the mineral surfaces.
     在硫酸浓度5.3—11.5mol/dm~3范围内,浸出反应符合收缩未反应核模型,反应速度受矿物表面的化学反应所控制。
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  kinetics of reaction
Kinetics of reaction of ZrCl4-HfCl4 vapor mixtures with solid sodium chloride spheres
      
The kinetics of reaction between Cr23C6 particles and Cr2O3 particles which yields metallic chromium was studied.
      
In the present study, kinetics of reaction were studied by monitoring the rate of interfacial phase formation.
      
The kinetics of reaction layer formation were modeled in terms of bulk diffusion mechanisms.
      
The kinetics of reaction of methane with the oxidized catalyst is described satisfactorily by a first-order equation.
      
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The kinetics of reaction of molten cuprous sulphide with hydrogen has been investigated at 1150, 1200 and 1250℃ respectively. The kinetics equations obtained are: for single phase, u_S%=d(S%)/dτ=k_S(S%-a)~2p_(H_2)~(1/2) for two phases coexisted, u_S%=d(S%)/dτ=AP_(H_2)~(1/2) The rates of these reactions were constant when certain phase transformation occurred or two phases coexisted. The plots of these reation-rates against concentration of sulphur according following equations: showed a turning-point...

The kinetics of reaction of molten cuprous sulphide with hydrogen has been investigated at 1150, 1200 and 1250℃ respectively. The kinetics equations obtained are: for single phase, u_S%=d(S%)/dτ=k_S(S%-a)~2p_(H_2)~(1/2) for two phases coexisted, u_S%=d(S%)/dτ=AP_(H_2)~(1/2) The rates of these reactions were constant when certain phase transformation occurred or two phases coexisted. The plots of these reation-rates against concentration of sulphur according following equations: showed a turning-point for each temperature. At the turning point of reaction rate, its sulphur content in cuprous sulphide melts at the beginning to form two phases are 19.805, 19.73 or 19.61 wt.% at 1150, 1200 or 1250℃ respectively.

本文研究了在1150℃,1200℃和1250℃下熔锍Cu_2S与氢反应的动力学。动力学方程式为: 单相熔体 u_(S%)=d(S%)/dτ=k_S(S%-a)~2P_(H_2)~(1/2) 分层区 u_S%=d(S%)/dτ=AP_(H_2)~(1/2) 通过测定反应速度与硫浓度状态曲线的转折点,验证了Cu-S系相图分层的数据,此数据含硫成分为: ℃ 1150 1200 1250 % 19.805 19.73 19.61 研究了温度对反应速度的影响,测得反应活化能E和反应速率常数k: E=11000卡/克分子Cu_2S k_(1150℃)=3.27×10~(-2)/分·S%·大气压1/2 k_(1200℃)=3.76×10~(-2)/分·S%·大气压1/2 k_(1250℃)=4.12×10~(-2)/分·S%·大气压1/2 实验数据表明,反应速度受温度的影响是不大的。还讨论了Cu-S系相图与反应速度的关系。

1.The kinetics of reaction between Cu_2S-Cu system melts and H_2 has been studied at 1150,1200,1250 and 1300℃ respectively.Their equations are: for S-rich single phase,u_S=0.717 exp(-(53.137)/(RT))(S%-α)~2p_(H_2)~(1/2)+const. for misc.gap,u_S=0.531 exp(-(67.259)/(RT))p_(H_2)~(1/2) For Cu-rich phase,u_S=44.6 exp(-(146.720)/(RT))p_(H_2)~(1/2)·S%+const. These desulphurization rate are mainly dependent upon the S concentration of melt except the miscible gap.At constant temperature and H_2 partial pressure,their...

1.The kinetics of reaction between Cu_2S-Cu system melts and H_2 has been studied at 1150,1200,1250 and 1300℃ respectively.Their equations are: for S-rich single phase,u_S=0.717 exp(-(53.137)/(RT))(S%-α)~2p_(H_2)~(1/2)+const. for misc.gap,u_S=0.531 exp(-(67.259)/(RT))p_(H_2)~(1/2) For Cu-rich phase,u_S=44.6 exp(-(146.720)/(RT))p_(H_2)~(1/2)·S%+const. These desulphurization rate are mainly dependent upon the S concentration of melt except the miscible gap.At constant temperature and H_2 partial pressure,their sequence is u_(S(h))>u_(S(m))>u_(S(l)). 2.The mathematic model of desulphurization and activities of S and Cu in relationship to the structure of Cu-S phase diagram are: for S-rich single phase (α=19.81-19.61%S), (?)=A(constant) for miscible gap (b=1.2-19.8%S), (?)=0 for Cu-rich single phase,(0reaction rates and the activities of S determined by kinetic method were functional only to temperature or S concentration when the inlet H_2 gas flow rate maintained about 200 or 300 ml/min.Thus,the turn- ing points of reaction rate of Cu-S melt with H_2 obtained are reasonably due to phase transformation other than to diffusion. 4.The activities of S and Cu are given by equation: u_S=(d(S%))/(dt)=kα_Sp_(H_2) p_(H_2)=1atm,the standard state is chosen to be the stoichiometric composition of S content in Cu_2S,α_S=1,then (?)=k α_S=u_S/k=u_S/(?) and by Gibbs-Duhem equation: α_(Cu)=-(N_S)/(1-N_S) integral from n=0.5 to (0.5-x)(dlgα_S)

1.本文分别研究了在1150,1200,1250和1300℃时,Cu-S 系熔体与氢反应的动力学.得到如下动力学方程式:富硫单相区 u_S=0.717 exp[-(53.137)/(RT)](S%-α)~2p_(H_2)~(1/2)+常数不熔合分层区 u_S=0.531 exp[-(67.259)/(RT)]p_(H_2)~(1/2)富铜单相区 u_S=44.6 exp[-(146.720)/(RT)]p_(H_2)~(1/2)·S%+常数Cu-S 系和氢的脱硫速度主要取决于熔体中硫的浓度,但不熔合分层区除外.在一定的温度和氢分压下,反应速度大小的次序为:u_S(h)>u_S(m)>u_S(l)2.脱硫反应和 Cu-S 相图结构关系中 S 和 Cu 的活度数学模型方程式为:富硫单相区:熔合分层区(b=1.2-19.8%S富铜单相区(0

1.本文分别研究了在1150,1200,1250和1300℃时,Cu-S 系熔体与氢反应的动力学.得到如下动力学方程式:富硫单相区 u_S=0.717 exp[-(53.137)/(RT)](S%-α)~2p_(H_2)~(1/2)+常数不熔合分层区 u_S=0.531 exp[-(67.259)/(RT)]p_(H_2)~(1/2)富铜单相区 u_S=44.6 exp[-(146.720)/(RT)]p_(H_2)~(1/2)·S%+常数Cu-S 系和氢的脱硫速度主要取决于熔体中硫的浓度,但不熔合分层区除外.在一定的温度和氢分压下,反应速度大小的次序为:u_S(h)>u_S(m)>u_S(l)2.脱硫反应和 Cu-S 相图结构关系中 S 和 Cu 的活度数学模型方程式为:富硫单相区:熔合分层区(b=1.2-19.8%S富铜单相区(0

The kinetics of reaction between wolframite and NaOH was studied. Therate determining step of process under experimental range proved to bcinterfacial reaction and the results were found to be well represented byequation X=1-{1-E/RT[NaOH]_2exp(-E/RT)}~(Fp) It was also recognized that mechanic activation could eftectively reducethe activation energy of reaction. According to X-raying, the mechanism ofmechanic activaion lies in the increase of microstress inside the mineralparticles.

通过试验与分析确立了速率方程,并对将机械活化用于强化湿法冶金反应过程的效果和机理进行了初步探讨。试验与分析表明,在温度为75—105℃,Na0H浓度为200—400g/l及一定的搅拌转速下,氢氧化钠与黑钨的作用受化学反应速度控制,反应表观级数为2级,表观活化能18.5kcal/mol;机械活化可以有效地降低反应活化能。对试验的黑钨而言,活化能下降约4.4kcal/mol,初步判明下降的主要原因在于磨矿过程中增加了矿粒内部的微观应力。

 
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