说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 二级速度常数
1)  second order rate constant
二级速度常数
1.
he expression of second order rate constant was concluded by means of the basic theory of kinetics.
本文用气体动力学的基本理论,导出二级速度常数的表达式,结果表明,其表达式不仅物理意义明确,而且还首次给反应几率因子以定量化解释。
2)  first order reaction rate con-stants
一级反应速度常数
3)  rate constant
速度常数
1.
The rate constants of heatdecomposing reactions at 60°C and 80°C were 5.
结果表明:碘海醇注射液的热分解反应为一级反应,在60°C和80°C时,热分解速度常数分别为5。
2.
In chemical textbooks, the rate constant educed from the rate equation V=k·C a A ·C b B .
Cb B…导出的反应速度常数常因反应级数不同而有不同的单位问题。
3.
The Mchaelis constant, K m and the effective electrochemical rate constant k′ ME have been determined.
根据 Albery提出的判断酶电极动力学过程的理论 ,讨论了好氧微生物电极在不同底物作用下电极的速度控制步骤 ,求得电极的米氏常数 Km 与有效电化学反应速度常数 k′ M E的值。
4)  reaction rate constant
速度常数
1.
To determine reaction rate constant in ethyl acetate saponification,according to the current textbook,keep the concentration of reactant ethyl acetate and NaOH equal,ignore the effects of the hydrolyzation of reaction product on G_t and G_∞,plot t against (G_0-G_t)/(G_t-G_∞) and determine the constant k by slope of the straight line.
乙酸乙酯皂化反应速度常数的测定 ,现行教课书都是让反应物乙酸乙酯和NaOH的浓度相等 ,忽略反应产物醋酸钠水解对Gt、G∞ 的影响 ,以 (G0 -Gt) (Gt-G∞)对t作图 ,利用所得直线的斜率求速度常数k 。
5)  velocity field constant
速度场常数
1.
By means of study on velocity field constant in flue,a method used to measure average velocity of flue gas was presented.
通过对烟道“速度场常数”的研究,提出了利用速度场常数监测烟道烟气平均流速的方法,同时研制出速度场常数自动检测装置。
2.
An automatic velocity field constant checking device suitable for use in the on site monitoring system of the pollution source SO 2 is developed.
为污染源SO2 在线监测系统研制一套适用的速度场常数自动检测装
6)  efflux rate constant
排出速度常数
1.
Marine copepods, Acartia erythraea, were exposed to waterborne copper, silver, and copper and silver mixture respectively in a series experiment during which the metal contents in exoskeleton, polar and nonpolar parts in animal cells were measured and the uptake rate, efflux rate constant for Cu~ 2+ and Ag~ + were calculated.
87×104L·g-1-d-1,Cu2+和Ag+的排出速度常数则分别降到0。
补充资料:电子级二氯二氢硅
分子式:  SiH2Cl2
CAS号:

性质:在室温和大气压力下是一种高可燃、腐蚀性有毒气体,阈限值-重量加权平均浓度(TLV TWA)未定,可采用氯化氢的TWA值,即5×10-6(ACGIH)。于21.1℃和大气压力下气体相对密度(空气=1)3.48;气体密度4.228kg/m3;液体密度1235kg/m3(21.1℃),1188kg/m3(40.6℃)。沸点8.2℃。熔点-122℃。在空气中的可燃限4.1%~98.8%(体积);自燃温度58℃。与水或水气接触迅速水解产生二氧化硅和盐酸。国外多采用三氯氢硅歧化法生产粗二氯二氢硅,精馏法提纯;也有用多晶硅厂尾气中提取二氯二氢硅的技术路线,经精馏、络合、终端吸附可制得高纯二氯二氢硅。二氯二氢硅主要用于多晶硅外延生长以及化学气相淀积二氧化硅和氮化硅。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条