查询词典 valence

Three parameters of lanthanide,atomic number Z,valence electron number N,ion radius r,were used to define a new topological index of bond parameter —H_z.

根据镧系元素的原子序数Z、价电子数N、离子半径r提出了一个新的键参数拓扑指数 HZ，并将HZ、镧系元素相对分子质量Mr共同与其11种理化性质进行关联，其结果显示了满意的线性相关性。

According to the Aufoau build-up principle and the order of filling atomic orbits, the valence electron configuration of ground state atoms of the d-block transition elements seems only to be (n - 1 ) dx-2 us2x here denotes the number of the electron in (n - 1 d and us orbits.

众所周知，元素周期系过渡元素基态原子价电子组态的多样化是已往的原子构造理论无论是从定性还是从定量方面都是迄今难以给出圆满理论解释的原子构造现象之一［1～11］。

The purpose here is to observe the means by which the quantity of the adjectives is measured and selectional restrictions of degree verbals on different scales Part 2 The Valence of Adjectives.

由于形容词的特点是没有明确的度和关节点，所以，形容词是个模糊集合，每个形容词都是一个模糊子集，通常无法用确定的度来表现一定的质。

Chemistry having a valence of two or having two valences.

有二个原子价之一的，或有两个原子价的。

Hydrogen always has valence 1, so other elements' valences equal the number of hydrogen atom s they combine with.

元素的特征价数是以该元素一个原子可结合的氢原子数或可从一化合物中置换出的氢原子数来表示。

Analyzed with its lexical valence components,Shi should be a verb of two valences.

在&使&字句中，&使&有时可以用含有相同词汇意义的&叫&或&让&来替换。

It is also possible that the same semantic valence may be expressed by different syntactic valences, while not change the meaning of the predicate.

语义配价合并则相反，指的是谓词的两个语义配价在句法结构层面上用一个句法配价体现的语义－句法现象。

The molecular model is to establish a general solution with versatility by differentiating the radiuses of the spherical atoms in the valence state rather than an element unit, and applying different radial lengths even within the same element, and applying the bonding rod differentiated by the bonding state between the atoms.

该分子模型用于通过下面的和建立一种具有通用性的普遍解决方案：根据价态而不是元素单位区分原子的球半径，并且即使在相同的元素中也采用不同的半径长度，和使用根据原子间的键合状态区分的键棒。

The compounds, in which it has valence 2, are used as insulators and refractories and in fertilizers, cement, rubber, plastics, foods, and pharmaceuticals (antacids, purgatives, laxative s).

在二价化合物中，镁被用作绝缘体和耐火材料；也用于化肥、水泥、橡胶、塑料、食品和药物。

The compounds, in which it has valence 2, are used as insulators and refractories and in fertilizer s, cement, rubber, plastics, foods, and pharmaceuticals (antacids, purgatives, laxatives).

在二价化合物中，镁被用作绝缘体和耐火材料；也用于化肥、水泥、橡胶、塑料、食品和药物。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。