钨酸

Serum total cholesterol was determined by isopropanol withdrawing and ferric-glacial acetic acid -sulfuric acid developing method, serum triglyecride by isopropanol withdrawing and acetylacetone developing method,serum high density lipoprotein-cholesterol by magnesium phosphotungstate mehod, respectively. Serum low density lipoprotein-cholesterol was calculated by the equation: LDL-C=TCh--0.2 TG.

采用异丙醇抽提、三氯化铁-冰醋酸-硫酸显色法检测血清总胆固醇，用异丙醇抽提、乙酰丙酮显色法检测血清甘油三酯，用磷钨酸镁法检测血清高密度脂蛋白-胆固醇，用等式LDL-C=TCh--0.2TG计算血清低密度脂蛋白-胆固醇。

The results showed that the existence of suitable amount of phosphotungstic acid could significantly accelerate the degradation of chitosan.

结果表明，适量磷钨酸可显著加速壳聚糖的降解。

A series of hydroformylation catalysts were prepared by supporting Rhodium complex in the supporters modified by phosphotungstic acid.

将铑络合物担载于磷钨酸改性的载体上制备了一系列新型催化剂。

Appropriate adsorbing conditions were phosphotungstic acid / carbon mass rate of 30 percent,temperature of 70℃,reaction time of 6h.Adsorption quantity amounted to 20.8 percent.

随着担载量的增加，催化剂的活性增强，磷钨酸与活性炭质量之比30%，温度70℃，时间6h，担载量达20.8%，合适的活化温度为180℃。

The degradation of chitosan under hydrogen peroxide with phosphotungstic acid as catalyst was explored.

研究了磷钨酸催化过氧化氢氧化降解壳聚糖新工艺。

A series of trimethylolhexane triheptyl esters were synthesized from trimethylolhexane with special kinds of supported phosphotungstic acid catalyst.

以自制三羟甲基己烷为原料，采用自制的负载磷钨酸催化剂催化合成一系列三羟甲基己烷脂肪酸酯。

In order to investigate the catalytic performance to remove trace alkene from aromatic hydrocarbon, FTIR and XRD were used to analyze the character of catalysts with different contents of phosphotungstic acid and at different calcining temperature.

采用的催化剂以分子筛和磷钨酸为活性组分、氧化铝为载体，考察其脱除芳烃中微量烯烃的催化性能。

By the solution self-organization, two kinds of organic-inorganic complexes of phosphotungstic acid with chitosan and chitosans degraded were prepared.

本论文提出两种降解制备水溶性壳聚糖的新方法：(1)UV-H_2O_2联合制备水溶性低聚壳聚糖：(2)在壳聚糖-水异相体系中，磷钨酸催化H_2O_2制备水溶性低聚壳聚糖。

Methods The adsorbing effect of montmorillonite was observed in vitro and the effect of decreasing serum concentration of uric acid was studied on acute hyperuricemia model mice. The concentration of uric acid was measured by the reduction method of phosphotungstic acid.

用离体实验研究蒙脱石对尿酸的吸附作用；用小鼠高尿酸血症模型研究蒙脱石降低血尿酸的作用；用磷钨酸还原法测定尿酸含量。

Phosphotungstic acid catalysts supported on ceria with various PW loadings were prepared by the impregnation method , and characterized by X- ray diffraction, acid strength and nitrogen adsorption techniques.

以CeO2为载体，用浸渍法制备了不同负载量的磷钨酸催化剂，并且考察了催化剂光催化脱色甲基橙溶液的催化性能。

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。