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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。

For erbium ion in light-emitting layer with light activated process and other chemical reaction, it is necessary to anneal the devise with high temperature in fabrication process.

为了让发光层内铒离子具有光活化及其他的化学反应的发生，在制程中热退火是必须的。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。