英语人>词典>汉英 : 一级反应 的英文翻译,例句
一级反应 的英文翻译、例句

一级反应

词组短语
first-order reaction · first order reaction
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A reaction pathway for ammonolysis of O,O-dimethylphosphorochloridothioate without catalyst was proposed,based on the reaction mechanism of acyl halide ammonolysis ,and the pseudo-homogeneous reaction kinetics were founded.

模型表明:在反应前期,O,O-二甲基硫代磷酰氯浓度对速率影响很小,反应速率呈拟一级反应特征;但在反应后期,反应速率呈明显的二级反应特征。

The reaction mechanism between nickel ion and butynediols in the electroless plating process was analyzed. The results show that the change of BOZ concentration is a quasi first-order reaction, the change of the nickel ion concentration is related to the BOZ density, and this change belongs to a higher order reaction. The reaction rate equation was determined as dC/dt=-8.585×10^(-4)+1.188×10^(-4)t-4.64×10^(-6)t^2+5.8×10^(-8)t^3-2.3×10^(-11)t^4. The activation energy of this process decreases as temperature increases, and it decreases with the BOZ concentration as 64-423 mg/L, it increases with the BOZ concentration as 123~240 mg/L. The S value is positively correlated to temperature, when the temperature is 80℃, the reaction rate and S value are the largest; while when the temperature is above 80℃ and BOZ concentration is over 160 mg/L, S value and the reaction rate decrease gradually.

结果表明,镀液中BOZ浓度的变化是准一级反应,镍离子的浓度变化与BOZ的浓度有关,属多级反应,其反应速率方程为dC/dt=-8.585×10^(-4)+1.188×10^(-4)t-4.64×10^(-6)t^2+5.8×10^(-8)t^3-2.3×10^(-11)t^4,反应体系的活化能E随温度的升高而减少,随BOZ浓度的变化而变化:当BOZ浓度在64~123mg/L时,E线性减少;在123~240mg/L时E线性增加。S随温度的升高而增加,当温度达到80℃时S值最大,反应速度最大;当温度超过80℃,BOZ浓度大于160mg/L时,蝎的值逐渐减少,反应速度降低。

The first stage is an endothermic reaction, and the second one is an exothermic reaction.

采用双组分分阶段一级反应模型求出了四个污泥样品的表观活化能和指前因子,给出了样品热解的动力学方程,通过理论计算,双组分分阶段一级反应模型的理论数据与实验数据吻合良好。

Theoretical analysis reveals that the reaction of the immobilized enzyme of low substrate concentration may be approximated to be of first order, while that of high substrate concentration to be of zero order.

经过对固定化酶反应动力学理论分析可知,实验条件下的低基质浓度区内测定的固定化酶反应可近似地作为一级反应,而在高基质浓度区内测定的固定化酶反应可近似地作为零级反应。

The experimental results showed that the aquation of JM216 follows the pseudo-first-order- rate law, of which the observed-rate constant kobs is 5.0×1.0-6min-1and the half life period t1/2 is 96.25 days at 37℃.

结果表明,JM216的水合反应为准一级反应,反应对JM216为一级,37°C时水合反应表观速率常数为kobs=5.0×10-6min-1,半衰期t1/2=96.25天。

The reaction kinetics of poly urethane formation and that of trimerization of isocyanate in a system of modified by urethane were studied by FTIR.

采用傅里叶快速红外光谱技术研究了氨酯改性聚异氰脲酸酯反应体系中氨酯、聚异氰脲酸酯生成的反应动力学,结果表明,在该反应体系中,氨酯反应和异氰酸酯的三聚反应是同步发生并同步进行的,其中三聚反应是一级反应;氨酯对异氰酸酯是一级反应,对聚醚二元醇为0级反应。

The reaction kinetics of polyurethane formation and that of trimerization of isocyanate in a system of polyisocyanurate modified by urethane were studied by FTIR. The results show that the two competing reactions occurred and progressed simultaneously, and the trimerization was found to be first order, and the polyurethane formation was first order with respect to the isocyanate concentration and zero order with respect to the polyol concentration.

采用傅里叶快速红外光谱技术研究了氨酯改性聚异氰脲酸酯反应体系中氨酯、聚异氰脲酸酯生成的反应动力学,结果表明,在该反应体系中,氨酯反应和异氰酸酯的三聚反应是同步发生并同步进行的,其中三聚反应是一级反应;氨酯对异氰酸酯是一级反应,对聚醚二元醇为0级反应。

The regeneration kinetics of various kinds of commercial coked zeolite cracking catalysts is investigated.

考察了各种工业用分子筛裂化催化剂的再生动力学,认为碳的燃烧可分为两个阶段:当碳含量大于0.1~0.2%时,烧碳反应对含碳量为一级反应,而当含碳量进一步降低时,反应级数由一级转为1.5级。提出了烧碳反应动力学方程。

The kinetics of transesterification of extracted oil was also studied. The experimental data could to be described by second-order reaction model for the initial stages of the transesterification and followed b first-order reaction and zero-order reaction model.

考察了大豆油脚浸出油酯交换反应的动力学,由实验数据绘制的动力学曲线呈现出酯交换反应在开始阶段为二级反应,并逐步转变为一级反应,反应后期为零级反应。

Kinetics on the reaction of epoxy resin with acrylic acid has been studied.

本工作研究了以丙烯酸和环氧树脂为原料合成丙烯酸环氧酯的动力学,认为该反应是一级反应,在此基础上提出了反应机理同时研究了不饱和酸离解常数及溶剂对反应速率常数的影响,进一步支持了上述观点;并且求出了在不同温度中的反应速率常数及反应的活化能。

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correspondence problem:对应问题

Richard评论该观点为"只是对于具有双眼视差(Binocular parallax)的外部信息的一个内部反应",引伸开来就是由于每一个或一级特殊的细胞代表一个方向,故每一个或一组细胞也就代表每一视差,但是这种观点无法解释对应问题(Correspondence problem).

esterification:酯化

我们都熟悉酯化过程,酯化(esterification)一般是酸与醇在催化剂作用下,反应成为脂的过程,酯化往往是两个互不相溶液相之间,在固体(也可能是液体)催化剂作用下的一级对峙平衡反应,亲核试剂是醇,离去基团是水;逆反应是酯的水解:亲核试剂是水,

Fines careening:细筛,细格栅

filter medium 滤料 | Fines careening 细筛,细格栅 | First order process 一级反应过程

firth hardometer:富氏硬度计

first order reaction 一级反应 | firth hardometer 富氏硬度计 | fish eye 鱼眼状裂纹

liquid phase lines:液相线

液体接界电势 liquid junction potential | 液相线 liquid phase lines | 一级反应 first order reaction

proximal:邻近的,近侧的

provirus 原病毒 | proximal 邻近的,近侧的 | pseudo first order reaction 准一级反应

transient response:瞬态反应

听性诱发反应的分类方法有数种,如根据电反应的性质,可分为瞬态反应(transient response)、持续反应(sustained response);根据电反应的潜伏期和时程,可分为初反应(一级反应,

conjugated protein:缀合蛋白质

in)和缀合蛋白质(conjugated protein)根据分子的形状:球状(globular protein)、纤维状(fibrous protein)糖蛋白(glucoprotein)和粘蛋白(mucprotein):辅基成分为半乳糖、甘露糖、已糖胺氨基酸经脱羧酶(decarboxylase)作用后可以放出二氧化碳生成相应的一级胺(amine)⒈ 与茚三酮(ninhydrin)反应:氨基酸分析化学中最常用反应之一

Fischer electrophotometer:费雪光电比色计

Fischer esterfication 费雪酯化<作用> | Fischer electrophotometer 费雪光电比色计 | first-order reaction 一级反应

glucoprotein:糖蛋白

ous protein)糖蛋白(glucoprotein)和粘蛋白(mucprotein):辅基成分为半乳糖、甘露糖、已糖胺氨基酸经脱羧酶(decarboxylase)作用后可以放出二氧化碳生成相应的一级胺(amine)⒈ 与茚三酮(ninhydrin)反应:氨基酸分析化学中最常用反应之一,