查询词典 ion-pair

The protein and phospholipid constituent in membrane of neurocyte in brain of chicken with encephalomalacia was separated and studied with the method of SDS-PAGE electrophoresis and the method of high performance-thin layer chromatography respectively The fluidity of neurocyte membrane of chicken with encephalomalacia was determined for the first time The content of Ca and trace elements were determined in chicken encephalomalacia systematically and the status of Fe ion in cerebellum was observed. The activity of enzymes that were relative to metabolism of energy and neuro-medium in brain were checked systematically with the method of enzyme-histochemistry. Pathological examination was carried out by microscopic and ultramicroscopic observation. The apoptosis of neurocyte in brain was checked.

在进行临床观察、定期剖杀并检测体内V〓含量、体重和脑重的基础上，重点研究了与神经损伤有关的以下几个方面的内容：系统地检测了体内自由基代谢和抗氧化系统功能的变化；首次采用SDS-PAGE电泳法分离并检测了雏鸡脑软化症神经细胞膜蛋白组分，并以高效薄层层析法检测神经细胞膜磷脂组分；测定了脑软化症雏鸡神经细胞膜的膜流动性；首次系统检测了脑软化症雏鸡体内钙及微量元素含量，并进行了小脑组织总铁离子状态观察；采用酶组织化学方法系统地观察了脑组织中与脑能量代谢和神经递质有关的酶的活性；对相关组织进行了病理组织学和超微结构观察；并对脑组织中神经细胞的凋亡进行了检测。

Combining ion exchange process and silicon hydrolyze process Silicon dioxide mother nuclide with a specific particle size was prepared from sodium silicate through the dropwise technique , then the large particle size , high concentration and stable silica sol was prepared . The stability of silica sol also can be improved by enwrap .

和"单质硅一步溶解法"相结合的方法，用离子交换法制备晶种，并采用滴加工艺制备一定粒径大小的二氧化硅作为母核，在催化剂和分散剂共同作用下水解单质硅的方法使二氧化硅母核颗粒进一步增长成大粒径的二氧化硅颗粒，并另外还采用水溶性高分子对纳米SiO_2粒子进行"原位表面包覆"提高其稳定性，制备了大粒径，高浓度，稳定的纳米硅溶胶。

The energy transfer between dendrons and eosin or Eu~(3+) ion in solvent were investigated.

研究了各个树枝块与曙红，Eu~(3+)离子之间的能量转移情况。

In this paper a series of novel dendrons with 1,3,5-triazine structure were designed and synthesized. The synthesized compounds were investigated for fluorescent enhancement to eosin and Eu~(3+) ion.

本文利用这些特点设计合成了一系列新型结构的含均三嗪环的树枝块，并研究了其对曙红和铕离子的荧光增强作用。

Objective To investigate Ephedra genomic DNA transformation into yeasts by nitrogen ion implantation with the sole object of ephedrine products.

目的以麻黄碱为目标产物，探讨氮离子注入介导麻黄基因组DNA在酵母菌中的转化。

The goal of this dissertation is probing the equation of state of asymmetric nuclear matter by using heavy-ion collision.

在本部分的结尾我们将展示如何使用BUU模型去进行重离子碰撞的模拟。

The main composition of light-emitting layer is erbium ion and host material.

发光层的主要组成为铒离子与主材料。

In addition, we use different kinds of material analysis method to analyses the physics mechanism of luminescence efficiency of erbium ion strengthened by noble metal thin film.

除此之外，我们也利用各种不同材料分析的方式来分析贵金属薄膜增强铒离子发光效率的物理机制。

The fluorescence spectra, fluorescence intensities and lifetimes were investigated as a function of erbium ion concentration.

测试了掺铒碲酸盐玻璃的荧光特性，研究了4 I 13/2能级上Er3+离子的荧光谱、荧光强度和荧光寿命。

And the absorption spectra and fluorescence emission spectra were measured and investigated as a function of erbium ion doping concentration.

结果显示，掺铒铋硼锗酸盐玻璃中存在着强烈的荧光俘获和浓度猝灭效应。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐