查询词典 cation

According to those experiments, it was found that the slope was decreased when the atomic number of the cation was increased for alkali metal chloride solutions and alkaline-earth metal chloride solutions.

分析这些实验数据后，发现直线的斜率随着碱金属和碱土金属氯化物盐溶液阳离子原子序数的增加而下降。

In this dissertation, the stable radical cation salts ofphenothiazine and 10 - alkylphenothiazine alky=〓(〓 hexachloroantimonate,perchlorate and iodide were prepared by one- electron oxidationwith 2,2,6,6-tetramethyl - 4 -acetyloxypiperidine oxoammoniumhexachloroantimonate, perchloric acid/hydrogen peroxide andmolecular iodine respectively, and they were characteried by UV -Vis spectroscopy and ESR spectroscopy.

本文的主要内容有：吩噻嗪和10-烃基吩噻嗪分别被碘、高氯酸／过氧化氢，2，2，6，6-四甲基-4-乙酰氧基哌啶氧铵六氯锑酸盐氧化为相应的正离子自由基碘盐、高氯酸盐、六氯锑酸盐，并用UV-Vis光谱和ESR波谱进行了鉴定和研究。

It is found that quaternary ammonium salt and alkylamine can react with montmorillonite and rectorite via cation exchange reaction and the resulting OMMT and OREC can act as nano-scale filler to PPC materials due to its increasingly swollen gallery spacing.

主要研究结果如下：(1)采用阳离子交换法，制备了不同的有机胺改性的有机蒙脱土和有机累托石，用XRD， FTIR， TGA表征了插层效果。

In present review, focusing on the low-copy nuclear genes, we summarize the appli-cation of these genes in the phylogenetic reconstruction of allopolyploid plants and bring forward some critical issues in this field.

以低拷贝核基因为主线，概述了其在多倍体植物系统发生中的应用和相关注意事项，并对其在多倍体植物中的表达变化及其分子机制进行了探讨，系统地介绍了国际上相关领域的研究成果和最新动向。

The energy required to form the CpTiCH〓 cation from dissociation of CpTiCH〓Cl·AlMe〓 and different kinds of chlorine-bridged and oxygen-bridged CpTiCH〓Cl·MAO model adducts accounted for the higher cocatalytic activity exhibited by MAO with respect to AlMe〓.

CpTiCH〓Cl·AlMe〓和不同氯桥或氧桥

Montmorillonite has well alterability and its processeing products have fine physicochemical properties which depend on the particularity and the fine cation exchange performance of montmorillonite structure.

蒙脱石具有良好的可改造性，其加工产物具有优良的理化性能，这都取决于蒙脱石结构的特殊性及其优良的阳离子交换性。

In this compound, the cation is ammonium instead of silver ion.

这说明溶剂对自组装过程有一定的影响。

Finally,the influence of the cation and anion of different ionic liquids on the oxidation was studyed.

进一步研究了离子液体的阴、阳离子组成对氧化结果的影响。

The geometric structures of the ground states of anisole and anisole cation also are optimized at HF/6-31G level, furthermore, the stable structure is acquired. In addition, we also calculate the energy of anisole and its main fragment ions.

应用高斯软件采用HF/6-31G 方法对苯甲醚分子和苯甲醚阳离子基态的几何构型进行优化得到其稳定构型，并计算了苯甲醚分子离子及其初级解离产物的能量。

The electro-oxidation in anion exchange membrane system can be carried out in larger range of anolyte acid but cation exchange membrane system only for over 0.75mol/L.

发现阴离子膜电解体系可以在较大的阳极液酸度范围内进行铈的电解氧化，而阳离子膜电解体系则必须在大于0.75mol／L的酸度条件下进行。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。