离子对

The properties of the Yb〓 and Dy〓, which has important value on researching and application, are studied by measuring the absorption and emission spectrum.

然后通过测得的掺Dy〓和Yb〓的氟锆酸盐玻璃的吸收和发射光谱，对具有重要研究和应用价值的稀土离子Yb〓和Dy〓进行了研究。

Acetone extractives in masson pinegroundwood pulp were isolated and analyzed through the employment of DEAE-Sephadex ion exchange chromatography and GC/MS.

利用DEAE－Sephadex离子交换色谱和气相色谱－质谱联用技术，对马尾松磨木浆丙酮抽出物的化学成分进行了分离及分析。

The coloring of Fe〓 increased in cerebellum of chicken with encephalomalacia, specially in district of edema.

铁离子价态的变化表明铁在自由基的产生过程中起介导作用，对雏鸡脑软化症的发生起促进作用。

Results showed that within a certain energy level,radiation damage on M_1 seedling increased with the energy increasing when the integral flux was given.

结果表明，在一定离子通量下，所用注入能量范围内的离子束对幼苗造成的辐射损伤随辐射能量的增加而增大。

Results showed that within a certain energy level, radiation damage on M1 seedling increased with the energy increasing when the integral flux as given.

结果表明，在一定离子通量下，所用注入能量范围内的离子束对幼苗造成的辐射损伤随辐射能量的增加而增大。

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。

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。

Experiments were conducted to study the effect of parameters, such as ionic strength, pH, equilibrium time and initial cadmium concentration.

考察离子强度、pH值、温度和镉初始浓度对吸附的影响，并进行相应的动力学与热力学计算。

A system design of reactive ion etcher, which is based on the demand of photonic crystal fabrication, is presented in this paper from the angle of research and experiment. And then the demonstration is also presented.

本文基于光子晶体的实验室制备的需要，从科研和实验应用的角度，提出了一种反应离子刻蚀机的设计方案并对之进行论证。

Based on the recent trends, research advances of sulfonic acid resin, zeolite, heteropolyacid is reviewed, and the effect of zeolites structure, acid density, acid strength on etherification property is discussed in this paper.

针对近期的发展动态，着重综述了大孔磺酸型离子交换树脂、分子筛、杂多酸等新型醚化催化剂的研究进展，详细讨论了分子筛催化剂的结构、酸密度、酸强度对醚化性能的影响。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。