查询词典 constants

The hydrogen-transfer reaction of HC≡CF→C=H was taken as an example to calculate the microcanonical unimolecular rate constants with consideration of the tunneling correction and the curvature correction and the selection of the rotation states.

以氟代乙炔的氢迁移反应为例，计算了隧道效应、曲率因子和转动选态对微正则系综单分子反应速率常数的影响。

The dissipation rate constants of malathion and methyl parathion with a concentration of 3mg/L and ethion, dicofol and cyhalothrin with a concentration of 0.5mg/L in 2000ml of 55-60g canna planted water sulution were respectively increased by 77. 66％, 117. 44％, 64. 80％, 38. 11％ and 15. 35％ compared to those in unplanted water solutions.

与不种植植物的对照相比，50-60g美人蕉对2000ml分别含有3mg/L的马拉硫磷、甲基对硫磷及0.5mg/L乙硫磷、三氯杀螨醇和三氟氯氰菊酯培养液中的马拉硫磷、甲基对硫磷、乙硫磷、三氯杀螨醇和三氟氯氰菊酯的消解速率依次分别提高了77.66％、117.44％、64.80％、38.11％和15.35％。

It is a real time technology for the monitoring of dynamic progress of reactions, determination of kinetic constants, analyses of label-free and unpurified biological samples with very high sensibility and non-background interference.

它既可实时监测反应的动态过程、测定动力学常数，又能直接分析未经标记和纯化的生物样品，具有很高的灵敏度，且没有背景干扰。

A series of study methods which can not research in this field begin to exert important affection. On the basis of the previous research, the following major innovative work was carried out in this dissertation.(1) Several methods including fluorescence spectra, CD and FT-IR specta methods were used to study the interaction of isoquinoline alkaloid、isoflavones and Rhein with serum albumin, and the results from every method was in good agreement;(2) The binding constants、the numbers of binding site、the binding region and the interaction force involving in the interaction of drugs and serum albumin were confirmed by Scatchard equation and Vant Hoff equation.

基于研究生物大分子与小分子相互作用具有极其重要的意义，本博士论文在前人工作的基础上，主要进行了以下几方面的创新性研究：(1)利用荧光光谱法、圆二色谱法、红外光谱法以及分子模拟等多种方法相结合研究了异喹啉类生物碱，异黄酮类化合物以及大黄酸与人血清白蛋白的相互作用，获得了准确一致的信息；(2)根据Scatchard方程和Vant Hoff方程详细研究计算了异喹啉类生物碱以及大黄酸与蛋白质结合机理包括结合常数、结合位点数、结合区域、结合力。

Constants can be defined by placing the keyword const in front of any variable declaration.

常量可以通过把关键字 const 放在任何变量声明前面的方法来被定义。

This paper is concerned with the system uncertainty that includes variation of material constants in a process.

模糊控制器的比例因子能够在线调整来实现自适应的功能。

The effect of variation particle growth rate constants and the gas temperature on the density of the dust particles was investigated. The different forces acting on the nanoparticles and it can also be seen that an increase in nanoparticle size results in a higher negative charge on the nonoparticle's surface was investigated. The distribution of positive, neutral, and negative particle charge were computed.

本论文系统介绍了近年来迅速发展的流体模型，给出气体压力对粒子生长的影响，气体温度对尘粒密度的影响，分析了纳米粒子受力情况和粒子大小与充电量的关系，并且得出粒子浓度和电子温度随时间的变化，以及正离子负离子和电子的浓度在等离子体中的分布。

Through studying the variation of lattice constants of Al_2TiO_5 withtemperature, the authors discovered am abnormal phenomenon that lattice constant c of Al_2TiO_5decreases with the increase of temperature.

通过仔细分析钛酸铝的晶格常数随温度变化的特点，发现钛酸铝的晶格常数C随温度升高而降低这一反常现象。

Through studying the variation of lattice constants of Al2TiO5 with temperature, the authors discovered an abnormal phenomenon that lattice constant c of Al2TiO5 decreases with theincrease of temperature.

通过仔细分析钛酸铝的晶格常数随温度变化的特点，发现钛酸铝的晶格常数c随温度升高而降低这一反常现象。

The diameter of the rockbolt also has an effect on the mechanical properties. The larger is the diameter, the larger is the increasing of the moduli of the rock mass, but variation of the equivalent elastic constants are little.

锚杆直径增大而其他参数保持不变时，岩体锚杆支护系统复合材料的力学性质弹性模量随着直径的增大而有所提高，但等效强度常数变化幅度较小。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。