阴离子的

STUDY ON SYNTHESIS,CHARACTERIZATION AND CATALYSIS OF PILLARED ANION CLAY I.

文献名称柱撑阴离子粘土的合成、表征及催化性能研I。

Using tea polyphenol and Vc as the control, the effect of lotus seed polyphenol on scavenging OH and O2(superscript -) was studied with Fenton reaction and pyrogallol autoxidation methods.

以茶多酚和Vc为对照，采用Fenton反应法研究莲子多酚对羟自由基的清除作用；采用邻苯三酚自氧化法研究莲子多酚对超氧阴离子自由基O2

Therate constant of the cross electron transfer reaction between neutral quinone andsuperoxide anion radical can be obtained with the same method.

其逆向电子转移反应，即中性醌与超氧阴离子自由基之间电子转移反应的速率常数可用类似方法得到。

Thus, HCO3- become s the anion of choice to accompany Na+ reassertion in the proximal tubule.

这样，HCO3-成为伴随Na+在近端小管重吸收的阴离子。

Thus, HCO3- becomes the anion of choice to accompany Na+ reassertion in the proximal tubule.

这样，HCO3-成为伴随Na+在近端小管重吸收的阴离子。

Adsorption and desorption of rhenium with new anion exchange resin——F1 resin have been studied.

研究了新型功能性阴离子交换树脂——F1树脂吸附和解吸铼的性能。

Basing on this mechanism a spectrophotometric method was developed for the determination of anionic surfactants in water.

基于以上反应机理，建立了阻抑褪色光度法测定水体中阴离子表面活性剂的方法。

Results showed that SiW(11) heteropolyanion had some suppressive effect on the silicotie toxicity of quartz.

结果表明：SiW（11）杂多阴离子对石英的致硅肺作用有一定抑制效果。

The sample was dissolved by hydrofluoric acid and hydrogen nitrate, then the tantalite and hydrofluoric acid formed TaF6- in the media of tartaric acid－hydrofluoric acid.

试样以氢氟酸、硝酸溶解后，在酒石酸－氢氟酸介质中，钽酸与氢氟酸形成阴离子TaF6-，与结晶紫生成蓝紫色的络合物，用苯萃取出来采用光度法测定钽量，测定结果均在国标允许误差范围内。

Thermophile was purifided to homogeneity, by using ammonium sulfate fraction, DEAE-Sepharose chromatography, Phenyl-Sepharose chromatography and Sephacryl S-100 chromatography.

粗酶液经硫酸铵分级沉淀、DEAE-Sepharose阴离子层析、Phenyl-Sepharose疏水层析、SephacrylS-100分子筛层析等步骤获得凝胶电泳均一的内切β-葡聚糖酶。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。