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kinetics of reactions
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  反应动力学
     Kinetics of Reactions between Fe(Ⅲ)-Alginates and Ascorbic Acid by Photometry
     光度法研究海藻酸铁(Ⅲ)与抗坏血酸反应动力学
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     Kinetics of Reactions of Alkylxanthatocobalt(Ⅲ) with Dipropylamine in Methanol
     烷基黄原酸合钴(Ⅲ)与二丙胺第三步反应动力学
短句来源
     The frontier orbital theory and orbital symmetry rule are applied to expounding the kinetics of reactions between NO and O2- ,NO2, OH,LOO in the biological system and their biological meanings as well.
     用前线轨道理论和轨道对称性规则。 阐明生物体系NO与O_2~-、NO_2、OH、LOO反应动力学及其生物学意义。
     The molecular orbital symmetry rule are applied to expounding the kinetics of reactions between NO and ,NO2 ,·OH,LOO· in the biological system and their biological meanings as well.
     用分子轨道对称性规则阐明生物体系NO与 ·O- 2、·NO2、·OH、LOO· 反应动力学及其生物学意义。
短句来源
     Kinetics of Reactions Between Dibasic Acid Half- ester With Epoxy Compound
     二元羧酸半酯与环氧化合物反应动力学研究
短句来源
  反应动力学研究
     Kinetics of Reactions Between Dibasic Acid Half- ester With Epoxy Compound
     二元羧酸半酯与环氧化合物反应动力学研究
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  “kinetics of reactions”译为未确定词的双语例句
     Kinetics of Reactions of Blocked Isocyanates
     封闭异氰酸酯几种反应的动力学
短句来源
     STUDIES ON REACTIONS OF NITRIC OXIDE IN BIOLOGICAL SYSTEM IN QUANTUM CHEMISTRY Ⅰ. Study on Kinetics of Reactions of NO with Oxygen Free Radical and of Reactions Concerning ONOO~- and ONOOH in Frontier Orbital
     生物体系一氧化氮反应的量子化学研究Ⅰ.NO与氧自由基反应及ONOO、ONOOH有关反应的动力学前线分子轨道研究
     In this paper we described effect of tri (3,4-dimethylphenyl) phosphite [(3,4-(CH3)2C6H3O)3P] or triphenylphosphine(PPh3) used as a ligand on the homogeneous hydrofomylation of alkene using dicarbonyl acetylacetone rhodium as a parent catalyst. The kinetics of reactions with the above two ligands were investigated and compared with each other.
     本文用二羰基乙酰丙酮铑作催化剂母体,分别以三苯基膦和亚磷酸三(3,4-二甲基苯基)酯为配体,研究了庚烯醛化的络合催化反应动力学,发现亚磷酸三(3,4-二甲基苯基)酯配位体对反应的活性和选择性均优于三苯基膦配位体。
短句来源
     Cd7Th, Zn7Th, Bi7Th, Hg7Th and Pb7Th have been prepared, and the kinetics of reactions of these five MTs with varied ligands were discussed. From the observed pseudo-first order rate constants, two possible mechanism were determined respectively. The reason of induction behaviors of varied heavy metal ions in vivo also was suggested on the basis of above results.
     制备了Cd_7Th,Zn_7Th,Pb_7Th,Hg_7Th,Bi_7Th等一系列金属硫蛋白(Thionein简称Th),研究了它们与配体反应的动力学,根据表观假一级反应速率常数,提出了不同配体与金属硫蛋白反应的两种机理,并且讨论了金属硫蛋白被Cd~(2+),Pb~(2+),Hg~(2+)等重金属离子在体内诱导的不同形成行为.
短句来源
     Depending upon the superior effect of ultrasonic degradation for chemical contaminants in water, the mechanisms and kinetics of reactions, influential factors and the effect to microbion were concisely introduced, the promising fields of research and the problems of factual application of water treatment were also pointed out.
     超声辐照处理水中化学污染物取得了良好的效果 ,受到人们的关注。 论述了超声辐照降解化学污染物的反应机理、降解速度、影响因素及超声辐照对微生物的影响 ;
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  kinetics of reactions
Kinetics of reactions of antihemagglutinin and antineuraminidase antibodies with H2N2 and H3N2 influenza virus strains and descr
      
The kinetics of reactions was also analyzed from possible reaction equations and various rate constant data.
      
The effects of adsorbed impurities on the kinetics of reactions on metal surfaces are discussed, in particular the reactions of water vapor and carbon dioxide with iron surfaces are analyzed.
      
The kinetics of reactions between drops of Fe-C, Fe-C-P and Fe-C-S alloys and synthetic oxidizing slags at 1550°C have been studied.
      
Transitional conditions in the kinetics of reactions of decomposition into free radicals
      
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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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