偏磷酸

There deliquescence. Heated to 400 degrees Celsius by melting a transparent liquid, solidified after cooling to the glassy opaque partial potassium phosphate.

加热至摄氏400度时熔化而成透明的液体，冷却后固化为不透明的玻璃状偏磷酸钾。

A method for the determination of CaF2 in fluorspar samples by X-ray fluorescence spectrometry with sodium metaphosphate as flux is proposed.

采用偏磷酸钠作熔剂制备萤石熔融片，用波长色散X射线荧光光谱法测定萤石中的氟化钙。

Technological process and efficiency of the fertilizer potassium metaphosphate from phosphorus, phosphoric acid or phosphate fertilizer and potassium chloride were introduced.

介绍用元素磷和氯化钾生产偏磷酸钾肥料的工艺及产品肥效。

Sodium hexametaphosphate is a functional phosphate which can be widely used in industrial productions,such as washing,water treatment,food,mineral concentration and metallurgy.

六偏磷酸钠是一种使用广泛的功能性磷酸盐，可应用于洗涤、水处理、食品、选矿、冶金等工业生产中。

The dispersion mechanism of the dispersants was analyzed by testing the Zeta potential of the dispersion phase in the dispersion medium. It was shown that Ⅰ and Ⅱ raised obviously the absolute values of surface Zeta potential of titania particles, and NK-1 formed good solvate layers of the particles so that the nano-titania particles were stably dispersed in the water solns.

通过测定分散相在分散递质中的Zeta电位，分析了分散剂的分散机理，说明六偏磷酸钠和硅酸钠可显著提高整理液中二氧化钛颗粒表面Zeta电位的绝对值，NK-1在纳米二氧化钛颗粒表面形成良好的溶剂化层，使纳米二氧化钛颗粒在水溶液中获得优良的分散稳定性。

The experimental results showed that ultrasonic cleaning of broznes in dilute sodium hexametaphosphate solutions are effective, this method was used for the brozne treatment firstly. We have also improved "zinc dust treatment method"and satisfactory results were obtained.

在工作中，首次应用了在六偏磷酸钠稀溶液中超声波清洗青铜器这一方法；对锌粉转化封闭有害锈方法进行了改进；选用ParaloidB－72材料做为青铜器苯骄三氮唑处理后的封护材料。

Excellent adiabatic design reduces heat loss and temperature recovering time greatly, ensures no pollution in loading area, and staff can be far away from metaphosphoric acid harm.

良好的隔热设计减少了热量的损失并减少了温度恢复时间，保证装载区无污染，使操作人员远离偏磷酸的危害

The optimum conditions for making microspheres were obtained via orthogonal experiment with adsorptive capacity as the index as follows: the mass fraction of water phase is 2%(ratio between starch and β-cyclodextrin is 1:2), 110 mL oil, 3.3 g Span60, 6.6 g Tween60, 15 mL water, 18 mL assistant surfactant, 0.07 g metaphosphoric acid trisodium salt. The microspheres were characterized by microscope and the average particle size is about 329.3 nm with productive rate of 41%.

结果表明，质量分数为2%的可溶性淀粉与β-环糊精溶液为水相（二者的质量比为1：2），油相用量为110 mL，水相用量为15 mL，乳化剂Span60用量为3.3 g，Tween60用量为6.6 g，助乳化剂用量为18 mL，三偏磷酸钠用量为0.07 g，制备得到的复合纳米微球在扫描电子显微镜下，微球大小分布均匀，所得纳米微球产率为41%，平均粒径为329.3 nm。

The starch-cyclodextrin microspheres were prepared by using starch/β-cyclodextrin as raw material, normal hexane as dispersed phase, Span60 and Tween60 as emulsifying, pentanol as assistant of emulsifying, and metaphosphoric acid trisodium salt as linking agent.

纳米微球以可溶性淀粉和β-环糊精为原料，选用正己烷为油相，Span60和Tween60为乳化剂，正戊醇为助乳化剂，三偏磷酸钠为交联剂，以对亚甲基蓝的去除率为指标进行了单因素和正交试验。

The analytes were extracted with 0.2% metaphosphoric acid/methanol (6:4, v/v) then cleaned up by three solid-phase extraction cartridges (Oasis HLB, Oasis MAX and Cl8), and had better results from Oasis HLB cartridges. The recoveries for oleandomycin and erythromycin analysis by developed method were

萃取净化之方法，经测试以0.2%偏磷酸与甲醇(6：4， v/v)之混合液，比较三种固相萃取匣（Oasis HLB， Oasis MAX及C18），结果以利用Oasis HLB固相萃取匣萃取及分析，可得到最佳之回收率及净化效果，且具有良好之再现性。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。