阴离子的

More than ten pyrrolic amide compounds have been synthesized, their crystal structure and anions recognition are also studied in this dissertation.

本文以吡咯酰胺为研究对象，合成了十多种吡咯酰胺化合物，研究了它们的晶体结构及对常见无机阴离子的识别。

Bands of antisymmetric and symmetric streching vibrations in the carboxylate anions are broad or significantly split.

羧基阴离子的反对称伸缩振动和对称伸缩振动谱带是带肩峰或明显分裂的宽带。

OBJECTIVE: Superoxide dismutase is one of the families of enzymes which is ubiquitous, and efficiently catalyzes the dismutation of superoxide anions.

目的：超氧化物歧化酶是机体内广泛存在的酶家族，可有效催化超氧阴离子的歧化反应。

An amide-based fluorescent acyclic receptor (II -1) consisting of anthryl group was synthesized, and the anion binding property was studied in CHCI3 by fluorescence, UV-vis and H NMR spectra.

合成了带有蒽荧光团的非环状酰胺受体分子Ⅱ-1，通过荧光、UV-vis光谱等研究了受体在CHCl_3中识别阴离子的性质。

The CN_~- species which derived from -CHxNH2 group are stable on Au electrodes in the potential region from -0.8 to 0.0 V, and can be oxidized to cyanate, and concomitantly, Au was oxidized to aurous cyanide and aurous di-cyanide Au(CN_2~- species.

当电位进一步升高，CN-ad发生氧化生成OCN-，同时Au表面也发生氧化生成AuCN和Au_2~-，而Au_2~-阴离子的形成是导致电极表面质量显著减少的主要原因。

Phytate and phosphate were determined within 15 min, and no interference was found in the presence of fluorate, chlorate, nitrate, sulphate and TCA.

实验结果表明，植酸根与磷酸根的检测不受F-、Cl-、SO2-4、NO-3、CC l3CO-2等阴离子的干扰。

In acidic aquatic environment, hydrotalcite and its calcined product can also play a role in neutralizing H(superscript +) ions and sorbing anions.

在酸性环境下，水滑石及其焙烧产物在对阴离子的吸附过程中都有中和酸性溶液的作用。

Objective To develop a conductance-ion chromatography for simultaneous determination of 5 anions in drinking water.

目的 研究电导－离子色谱法同时测定水中5种阴离子的分析方法。

For garlic, balsam pear, water spinach, tomato, carrot, chives flower, even being boiled for 10 or 20 min before extracted, their effect were almost the same as their raw extract.

用核黄素光化学氧化光度法研究了南瓜、玉米、大蒜、苦瓜、空心菜、西红柿、胡萝卜、韭菜花8种常见蔬菜对超氧阴离子的消除作用。

Then we used nuclear magnetic resonance and mass spectrometry to identify its structure.

研究糖皮质激素衍生物对PMA刺激巨噬细胞产生超氧阴离子的影响。

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