查询词典 electrons

Both the green and the blue emission were attributed to the solid-state cathodoluminescence of Ir_3 excited by hot electrons which were accelerated in SiO_2. Phosphorescent SSCL is confirmed.

在此基础上对器件的发光机理进行了进一步的分析，证实了有机磷光材料的固态阴极射线发光，为进一步改善固态阴极射线器件发光性能提供了新的途径。

A number of electrons revolving around a center of force constitutes an atom; atoms unite in absolutely regular mathematical ratios and form molecules, and these unite with each other to form a multitude of compounds which unite to build the Universe.

许多电子围绕一个能量的核心旋转，就构成了原子；原子按照一定的数学比例组合，就形成了分子；这些分子相互联合，就形成了许多化合物；这些化合物又构成了整个宇宙。

Amukhin et al.,and convert it into an effective1D chain with particular distribution of equivalent coupling bonds.Then we use the single-electron Schrodinger equation to calculatewave functions of electrons in the chain by transfer matrix method,without using the assumption of Samukhin et al.On variable hoppingmechanism and critical percolation condition.From this calculationwe obtain the dc conductance directly from Landauer-Buttikarformula.

mukhin提出的多层次等级分形结构模型，将其简化为耦合键强度t具有特殊分布的等效一维链，舍弃前人假设的变程跳跃机制与临界渗流条件，从单电子薛定谔方程出发，用转移矩阵方法计算一维链的透射系数，再利用Landauer-Buttickar公式直接求出直流电导。

Moreover, the inner cone has the characteristic of Lewis basis with high electron density because of the lone-pair electrons of oxygen atoms stretching towards it and can form inclusive compounds with varied compounds. The special structure of CD is very important to separate and analyze enantiomers, which has become the most important mainbody of super-molecular chemistry and greatly improved the developments of bioscience and pharmaceutical chemistry.

环上具有多羟基，具有亲水性。O原子的孤对电子朝向内腔，使内腔具有高的电子密度，具有Lewis碱的特征，能和多种化合物形成包合物，这种结构因素在手性识别上起作用，目前它已经发展成为超分子化学最重要的主体，对促进生命科学和药物科学的发展具有重大意义。

In the charge-discharge tests, for the electrode irradiated by light and charged with current simultaneously, the discharge time is about 11.4 h, much longer than that (about 8.7 h) charged only with current, indicating obvious photo-assisted chargeability of the electrode. The additional discharge capacity is contributed to the photocharge of photogenerated electrons and holes.

HSA／Cr-BIO电极在200μA电流与光照同时充电时比仅200μA电流充电后放电时间长(11.4小时vs8.7小时)，所增加的放电容量来自光生电子与空穴对储氢合金电极的充电，表明该HSA／Cr-BIO电极具有明显的光辅助充电性能。

This is a chemical bond that results from the sharing of valence electrons between atoms.

这是一种共用原子间的价电子而形成的化学键。

Tending to attract electrons to form a chemical bond.

负电极的有吸引电子以形成化学键的倾向的

The electrons determine the chemical properties of an element, and strongly influence an atom's magnetic properties.

确定的电子化学性质的一个组成部分，并强烈影响原子的磁特性

The relationship between their molecular structure and inhibition efficiency was discussed. It shows that the chemisorption of π electrons of benzotriazole derivatives has some effect on their corrosion performance.

苯并三唑的缓蚀作用主要来自BTA分子对一价铜离子的促钝化作用，π电子的化学吸附对其缓蚀性能有一定的影响。

By analyzing and comparing the state of electrons emitted from the exit of chunnel among the four structures, an optimal structure is obtained.

通过分析和比较电子在通道出口处的状态，得到了一种理想的通道结构。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。