查询词典 cation

The adsorption effect was then verified by cation-exchange chromatography using 1-ml Streamline SP prepacked column and 28-ml Streamline SP self-assembly column.

用l mlSP预装柱及自装28 ml Streamline SP柱进行离子交换层析以验证吸附效果。

Since the syntheses of vanadium phophitesin the presence of piperazinium cation as structural director by Zubieta et al., thegreat interest in the synthesis of new transition metal phosphites has been aroused.

自从 Zubieta 实验小组以哌嗪分子作为结构导向剂合成了第一个亚磷酸钒化合物之后，过渡金属亚磷酸盐化合物的合成引起了人们极大的兴趣。

The ammo acid sequences deduced from the other ESTs are homologous to glutamine synthetase, lipase-like protein, decarboxylase family protein, putative AUXl-like permease, HT-ATP synthetase, Proline-rich protein, RNA transporter binding protein and cation-transporting ATPase, respectively.

摘要其它ESTs的编码产物分别与谷氛酞胺合成酶、类似脂酶、脱数酶家族蛋白、H+- ATP合成酶、激素类渗透酶、阳离子运输ATPa se、RNA运输因子结合蛋白和富含脯氮酸的蛋白等同源。

It averagesquare displacement must depend both on the forceconstants of Bi cation and the constants governingrotation of BO6 octahedra.

软模的平均平方位移同时依赖于Bi离子位移的力常数和使八面体转动的力常数。

2It was proved that the cation vacancies on A-sites result mainly in therotation of local MnO6 octahedra and the change of angle of Mn-O-Mnbond.

2证实，A位阳离子空位主要是导致局域MnO6八面体扭转和改变Mn-O-Mn键角。

Bond length, total atomic charge, frontier molecualr obital energy, and Mullicken Bonding Population proclaimed that electron transfer ought to be possible from benzene to ammonium to form charge-transfer cpmplexes. The molecular obital coefficience showed that the p-π initeraction must be existed between alkali metal cation and benzene.

键长、原子净电荷、前线轨道能量和分子轨道系数、Mullicken成键布居等量子化学参数表明碱金属阳离子和苯环碳原子发生作用而形成电荷转移复合物，这种作用中包含p-π作用的形式。

Organic matter, pH, cation exchange capacity and contents of potassium, sodium, magnesium, copper, zinc, manganese, cobalt, iron, selenium, iodin and fluorin were determined of rock and soil samples from six main geological background areas within the main ruminant production base, in Yunnan Province, China. Results showed: 1 the red earth area of Paleozoic basalt and red earth area of carbonate the highest; the yellow-red earth area of mixture of carbonate, clasolite and basalt follows, except for its content of Co, which is relatively lower; and the purple earth area of Mesozoic clasolite, the yellow-red earth area of clasolite and the dark red earth area of Precambrian metamorphite are the lowest

对云南省反刍动物生产基地所属的6个主要地质背景区的土壤和岩石样品的K、Na、Mg、Cu、Zn、Mn、Co、Fe、Se、I和F元素及土壤的有机质、阳离子交换量和pH进行测定分析，结果表明：晚古生代玄武岩红壤区和碳酸岩盐红壤区土壤各种矿质元素都比较高，有机质含量与CEC都较高，特别是Ⅴ区最为显著；碳酸岩盐、碎屑岩和玄武岩混合型黄红壤区除了Co含量较低外，其他元素含量都居中等或偏上水平，有机质含量与CEC仅次于第1类背景区；碎屑岩紫色土区、变质岩赤红壤区和碎屑岩黄红壤区大多数矿质养分相对都比较低，有机质含量与CEC最低。

It is a very important progress that a new procedure was developed using a re-formative gradient medium and by ultra-centrifugation for the isolation and purifi-cation of intact WSSV viral particles from the infected penaeid shrimp or crayfish.

在完整WSSV病毒粒子纯化技术上取得重要研究进展。采用改良的密度梯度离心介质建立了一套成熟的WSSV纯化方案。

In sulfuric acid production,re-genesis test is presented in replacing hydrochloric acid with sulfuric acid in double-chamber floating cation bed .

介绍硫磺制酸中脱盐水双室浮动阳床以硫酸代替盐酸再生的改造情况。

Key words: sulfuric acid production from element sulfur; double-chamber floating cation bed; de-salted water; re-genesis by sulfuric acid

介绍硫磺制酸中脱盐水双室浮动阳床以硫酸代替盐酸再生的改造情况运行数据表明，以硫酸再生脱盐水虽然成本比盐酸略高，但脱盐水质量及制水量基本相同，特别是能为污水处理达到&零&排放创造条件，减少环境污染

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。