1.
The linear relationship between the gas phase standard enthalpies of formation and the substituent constants is discussed.
讨论了气态摩尔标准生成焓与取代基常数间的线性关系。
2.
Influence of Substitutes on Optical Properties of Phthalocyanine Thin Films Studied with Ellipsometry
用椭圆偏振光谱法研究取代基对酞菁薄膜光学常数的影响
3.
QUANTIFYING THE SUBSTITUENT EFFECT WITH PENETRATING-SHIELDING CONSTANT(Ⅳ)──the relation of electron binding energy and group electronegativity
屏蔽-钻穿常数与取代基效应的定量研究──Ⅳ基团电负性与电子结合能的关系
4.
Linear Relationship Between the Partial Charges of H and O Atoms in Carboxyl of Substituted Benzoic Acid and the Hammett Constants
取代苯甲酸羧基上H和O原子的部分电荷与Hammett常数之间的线性关系
5.
The effect of the substituent number and position on second order nonlinear-optical coefficientsβ was studied.
研究了取代基数目及取代基位置对非线性光学效应的影响.
6.
The Solvent Extraction of Cerium~(144)(Ⅲ) Nitrate with Di (2-Ethylhexyl) Phosphoric Acid--A Study of Equilibrium Constant for the Extraction
二(2—乙基己基)磷酸对硝酸铈~(144)(Ⅲ)的萃取——萃取平衡常数的研究
7.
Based on algebra neurons networks of knowledge acquirement method
基于代数神经网络的不确定数据知识获取方法
8.
Most commercial sodium carboxymethylcellulose (CMC) products have a degree of substitution (DS) in the range 0.4--0.8.
大多数羧甲基纤维素钠具有0.4～0.8的取代度(DS)。
9.
The enrollment data is vital for universities to manage student information and to access digital campus network.
高校招生录取数据非常重要,是学校学生管理的基础数据,是高校数字校园的数据入口。
10.
He will usually obtain these figures from the organization which makes the soil mechanics survey for the site.
通常他可以从为工地进行地基勘察的机构获取这些数字。
11.
The basic quantitative aspects of a normal gait were characterized from 59 recorded walks in 23 rats.
从23只大鼠记录到59个足迹，从中获取正常足迹的基本定量数据。
12.
Drawing Information about Anomalies and Earthquake Prediction Based on Thermal Infrared Satellite Remote Sensing Data;
基于卫星热红外遥感数据的异常提取及其对地震的预测
13.
Features Extraction of Cell Images of Phytoplankton Appearing Frequently in China s Sea Areas Based on Fractal Dimension;
基于分形维数的中国海常见浮游植物细胞图像特征提取
14.
In algebra the sign x usually denotes an unknown quantity.
在代数中,符号x通常代表一未知数。
15.
Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts.
大多数连于芳核能被直接取代的基团仅限于重氮盐。
16.
And by the 14th century Chinese mathematicians had made significant advances in algebra, in the numerical solution of equations and in the rudiments of the binomial theorem.
到14世纪，中国数学家们在代数、数的方程解答和基础二项式定理方面都取得了重大发展。
17.
Application of Iterative Method with Dynamic Weight Based on Observation Equation's Constant in NPP's Surveying
基于误差方程常数项的变权迭代法在核电测量中的运用
18.
Study on the Reaction of α-Carbonyl-N, N-Disubstitued Thioformamides;
N，N-二取代—α—羰基硫代甲酰取代胺的反应研究