阴离子

METHOD:Porcine hemoglobin with high purity and activity was prepared by centrifuging,micro filtration and weak anion exchange chromatography.

方法通过离心、微滤和弱阴离子交换层析法，制备高纯度高活性的猪血红蛋白，并建立合理的检验方法(紫外可见光扫描、电泳、高效液相色谱、血凝试验抑制试验和血气分析等)，以确定纯化产品的含量、纯度和活性。

This article determined the mining area of the bath sewage treatment and reusage craft by the different plan contrast experiment;and solved the anion synthetic detergent influence to water-qaulity with activated charcoal adsorption.

通过不同方案的对比试验，确定了矿区洗浴污水处理及回用的工艺，利用活性炭的吸附作用，重点解决了阴离子合成洗涤剂对水质的影响，为污水回用提供一项可行的方案。

The industrial magnesia and vitriol are used to produce magnesium sulfate in this paper, and the simulated wastewater is prepared using magnesium sulfate and kaolin. The flocculating effect of polyacrylamide, cationic polyacrylamide and anionic polyacrylamide is studied and compared through measurement of absorbency by spectrophotometer.

利用工业氧化镁和硫酸制备一定浓度的硫酸镁，结合高岭土配制氧化镁烟气脱硫的模拟废水，通过分光光度计吸光度测定了聚丙烯酰胺、阳离子型聚丙烯酰胺和阴离子型聚丙烯酰胺在模拟废水中的絮凝效果。

In the first part, a high performance anionexchange chromatography for simultaneous determination of four artificial sweeteners (sodium saccharin, aspartame, sodium cyclamate and acesulfame-K) and citric acid was proposed.

第一部分提出了一种采用高效阴离子交换色谱法同时测定四种人工合成甜味剂（糖精钠、天门冬酰苯丙氨酸甲酯、环己基氨基磺酸钠、乙酰磺胺酸钾）和柠檬酸的新方法。

The metal sample is dissolved with HCl H 2O 2, and the dissolved nickel is separated from other activation products by anion exchange. Nickel is then complexed with pealetyldioxime in the alkaline solution, extracted with toluene, and finally determined by liquid scintillation counter.

先将样品用HCl H2 O2 溶液溶解、再经阴离子交换、氢氧化物沉淀分离后，在碱性溶液中用丁二酮肟配合镍、甲苯萃取、稀HCl反萃后再用液体闪烁计数器测定反萃液中6 3Ni放射性活度、原子吸收分光光度计测定金属中稳定镍。

Among aqueous polyurethane dispersion s, anionic polyurethane dispersions have been most frequently used in coating and adhesive industries.

在众多的水基聚氨酯分散体中，阴离子聚氨酯分散体在工业中得到广泛应用，特别是在涂料和黏合剂行业中。

These parameters did not differ from each other in figleaf gourd"s two treatments. The root temperature of 14℃didn"t induce significant changes in the total respiration rate in both species but caused an increase of the alternative respiration pathway and a decrease of the cytochrome respiration pathway, and more dead cells in root tips in cold-sensitive cucumber roots.

低温条件下，黄瓜的生长明显差于黑籽南瓜，同时根系表现出更高的超氧化物阴离子O_2~(·-产生速率、过氧化氢(H_2O_2)与膜脂过氧化产物丙二醛含量以及抗氧化酶活性。14℃根温并未引起两种作物根系的总呼吸速率发生变化，但却引起黄瓜根系的交替途径呼吸速率与细胞色素途径呼吸速率的显著变化，表现为低温下Valt的上调而Vcyt的下降。

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。

The polysaccharide can inhibit the growth of Escherichia coli and Staphyloccocus aureus, and the scavenging effects of polysaccharide on the superoxide anion radical and nitroso were significant. It could be concluded that the polysaccharide displayed obvious bioactivities.

该多糖对埃希氏大肠杆菌和金黄色葡萄球菌均有抑制作用且对超氧阴离子自由基和亚硝基有较强的清除作用，说明该多糖具有明显的生物活性。

The apple polyphenol extracts had stronger reducing capacity, antioxidant activity on lipid-peroxidation, and scavenging effects on hydroxyl radical, superoxide anion radical and nitroso than ascorbic acid at the same concentration.

按照以上工艺制备的苹果多酚提取物具有较强的还原能力和抗脂质过氧化活性，并对羟自山基、超氧阴离子自由基及亚硝基具有很强的清除作用，且优于同浓度的维生素C。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。