亚硝胺类化合物的结构与毒性之间存在着一定的相互关系。用诱导效应指数I作为结构的特征键参数可以得到烷基亚硝安的结构与毒性的定量关系。
By using the inductive effect index I as a characteristic bond-parameter, a formula is given describing the relation between the structure of N-nitrosamines and its acute toxicity.
可以容易地扩展基于URL的键，以包括用户请求的其他特征。
The URL-based key can be easily expanded to include other characteristics of the user request.
它允许将JSON对象映射项中的键转换为Clojure关键字，后者在Clojure中更具惯用语特征。
It converts keys in the map entries of JSON objects to Clojure keywords, which are more idiomatic to work with in Clojure.
详细地分析了团簇的结构特征，平均结合能，垂直电离势，垂直电子亲和能，电荷转移以及成键特征。
Structural features, binding energies, vertical ionization potentials, vertical electron affinity, charge transfers, and binding characters were evaluated for each au-ni binary cluster.
基于元素键参数拓扑指数原理以及镧系元素价层电子结构特征构建了一种新的拓扑指数HLA。
An element bonding parameter topological index HLA is proposed based on topological principle and valence shell electron structural character.
通过CO分子接近表面时各分子轨道能量本征值的变化，讨论了各轨道的成键、反键特征。
The bonding and antibonding character for the CO valence level have also been studied by analysis of the variations of the molecular eigenvalues when the CO molecule approaches the surface.
本文讨论了特征谱带(包括金属键)的归属和力常数的合理性。
The rationality of assignment of feature bands (including metal bond) and force constants has been discussed.
根据时间或辐射曝晒设置的倒数计时器；箭头键便于滚动显示程序功能与特征。
According to time or radiant exposure setting countdown timer, Arrow keys facilitate displayed program function and characteristics.
从铌酸锂和钽酸锂晶体的结晶学数据出发，分析其结构特征和组成化学键的结合情况。
Starting from the crystallographic data of lithium niobate and lithium tantalate crystals, structural characteristics and chemical bonding behaviors of both crystals are studied.
新的键指数X考虑了分子的图形特征，顶点原子的性质，顶点原子与相邻原子的键合情况，并以矩阵的形式把这些特征表达出来。
A novel link index X proposed deals with the feature of molecule graph, the property of vertical atom and the bonding of atoms connected to each other. Matrices are used to represent these characters.
粗铝丝超声引线键合；换能器驱动电流；信号时频分析；特征提取；质量在线监测。
Aluminum wire ultrasonic bonding; transducer drive current; signal time-frequency analysis; feature selecting; quality online monitoring.
结果：水飞蓟宾卵磷脂复合物具有水飞蓟宾和卵磷脂的红外光谱特征，其磷核磁共振波谱显示水飞蓟宾和卵磷脂间以非共价键结合。
Results: SLC possesses the characteristics of the infrared spectrum of silybin and lecithin, its nuclear magnetic resonance spectrum showed that SLC was combined by non covalent bond.
微观上法向键和切向键的密度衰减分别决定着材料不同的宏观全过程破坏特征。
The density evolutions of normal bond and tangent bond in micro scale determined different characters of material failure in macro scale respectively.
系统前端面板和综合键盘上有一些专用键，通过这些键，您可以了解一些主要的多媒体特征。
The system's front panel and the comprehensive keyboard have dedicated buttons, taking you to the main multimedia features.
分析了石墨微晶结构与成键特征，研究了石墨微晶中边缘碳原子与基平面碳原子的电化学特性。
The electrochemical characteristics of carbon atoms on the edge and basal plane were determined by analyzing structure of graphite crystal and bond of different carbon atoms.
根据试验结果和理论分析，提出了连接键开裂、屈服和受剪承载力特征点的有关计算公式。
Based on the test results and theoretical analysis, formulas to predict the initiation of cracking, yielding and the maximum shear capacity and deformation are suggested.
根据煤矸石硅铝基胶凝材料的特征提出了原位键合的水化机理。
Based on the properties of gangue-containing aluminosilicate based cementitious materials, in situ bonding hydration mechanism was put forward.
EVM为醇中烷基的键连接矩阵特征根之和，PEI为烷基的极化效应指数。
Where EVM is the sum of eigenvalue of bonding orbital-connection matrix of the alkyl group and PEI is the polarizibility of alkyl.
以化学键为基础建构了键连接性指数及分子键连接性指数，该指数同时考虑顶点原子的化学特征及键的性质。
The bond connectivity topological index s I based on chemical bonds is defined and the molecular index s is formed by s I according to the properties of the top atoms and their bonds on the study.
给出了超声楔形键合接合过程和界面特征的模型。
Based on the experimental results, the models of the ultrasonic wedge bonding process and the interfacial bonding characteristics were illustrated.
分析了过氧键的结构特征和谱学特征，综述了有机过氧化物的性质、种类和用途。
The structural and infrared spectral features are reviewed and the properties, classifications and applications are comprehended with 23 references.
利用自然键轨道理论（NBO）和分子中的原子理论（AIM）分析了这些异构体的成键特征、相对稳定性。
Theories of nature bond orbital(NBO)and atoms in molecules (AIM) were used to discuss bond nature and relative stabilities of such conformers.
利用自然键轨道理论（NBO）和分子中的原子理论（AIM）分析了这些异构体的成键特征、相对稳定性。
Theories of nature bond orbital(NBO)and atoms in molecules (AIM) were used to discuss bond nature and relative stabilities of such conformers.
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