离子对

The minimal genotypic differences were observed for the effects of NH〓 on rhizophere K in the paddy soil.

铵离子对根际土壤钾素的影响在不同水稻基因型间无显著差异。

Effects of sulfate ions and hydrolytic temperature on the TiCl4-derived TiO2 powders properties were investigated in detail.

研究了四氯化钛水解法制备的二氧化钛纳米晶工艺中水解温度和硫酸根离子对粉体性能的影响。

Aim A method was established for the determination of chloroquine phosphate in compound hypotensor capsules by RP-ion-pair-HPLC .

目的 利用反相离子对液相色谱法测定复方降压胶囊中磷酸氯喹的含量。

Objective To investigate the degeneration of dopaminergic neurons induced by MPP+ in mouse mesencephalic dissociated culture and establish the cell model for parkinson'[KG-*3]s disease research in vitro.

目的： 探讨1-甲基-4-苯基-四氢吡啶离子对小鼠胚胎中脑原代培养多巴胺能神经元的毒性作用及其机制。

When the content of antimony in the doped film is overlarge, conducting property becomes badly due to the ion scattering of antimony.

当掺杂浓度过大时，掺杂离子对电子的电离杂质散射作用造成ATO薄膜的导电性能显著降低。

Objective:An ionpair RPHPLC method was established to determine the amounts of lotusine, liensinine, isoliensinine and neferine in Plumula Nelumbinisimultaneously.

目的：建立同时测定莲子心中四种异喹啉生物碱莲心季铵碱、莲心碱、异莲心碱、甲基莲心碱含量的离子对反相高效液相色谱法。

Ascorbic acid, ammoniun rhodanate and methyl isobutyl ketone are used to extract Mo form soil sample solution for the purpose of removing matrix interferences.

研完了水相酸度，各试剂用量，不同有机溶剂以及共存干扰离子对萃取和测定的影响，无须去掉水相直接测定有机相中的钼。

According to this, a series of new methods to determine trace cobalt, copper, antimony, cadmium, aluminum and iron was established by taking advantage of the characteristic of metal ions with intense catalysis effect on hydrogen peroxide oxygenating rhodanine.

基于此，利用痕量金属离子对过氧化氢氧化若丹宁具有强烈催化作用的性质，建立了一系列利用新型含羧酸基偶氮若丹宁衍生物催化荧光法测定痕量钴、铜、锑、镉、铝和铁的新方法。

In our previous research, we found lithium ion played a crucial role on the stereoselective tuning of the cyclopropanation reaction of telluronium allylides with α,β-unsaturated esters or amides.

前述工作中，我们发现锂离子对烯丙型碲叶立德和 a ， b -不饱和酯、酰胺反应的立体化学控制起着重要的作用。

The influence of rare-earth metal ions on 23Na NMRspectra was investigated theorically and experimentally.

六从实验和理论上研究了稀土离子对23Na谱线的影响。

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