查询词典 hydrofluoric

Kizami after offeris in glass or coloured acidproof protective film, with hydrofluoric acid corrosion.

刻好后在玻璃背后也涂上耐酸爱护膜，用氢氟酸腐化。

The samples were digested with aqua regia in boiling water bath, avoiding the use of hydrofluoric acid.

测定过程中用国家一级标准地质样品GBW07310和GBW07108实施分析结果质量监控。

In this study, the silicon and platinum in catalyst sample were both dissolved with aqua regia and hydrofluoric acid to dissolve the sample completely for platinum analysis.

本文采用王水与氢氟酸共同溶解硅和铂的方法，达到铂分析的全溶制样目的。

The third part compares the different methods of digesting the soil, and selects the system of aqua regia -perchloric acid-hydrofluoric acid reagent.

第三部分对各种土壤样品的消解方法进行比较，选择王水—高氯酸—氢氟酸作为土壤样品的消解体系。

A.The highly corrosive media refer to all organic and inoragnic and inorganic acid media that can almost completely ionize in the water solution,apart from hydrofluoric acid,hot aquafortis and strong base.

a。强腐蚀介质——指除氢氟酸，热浓磷酸，强碱外的在水溶液中几乎能全部电离的各种有机、无机酸性介质。

Soak the cylinder of the wafers in hydrofluoric acid to disjoin the wafers.

将此"圆柱体"浸泡在氢氟酸中，使硅片互相分离。

Anhydrous hydrofluoric acid and hydrofluoric acid in aqueous solutions range in appearance from colorless to slightly tinted.

无水氢氟酸和氢氟酸的水溶液的外观在无色到淡颜色之间变化。

Anhydrous hydrofluoric acid and hydrofluoric acid in aqueous solutions range in appearance from colorless to slightly tint ed.

无水氢氟酸和氢氟酸的水溶液的外观在无色到淡颜色之间变化。

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。

In order to fully utilize the by-produced waste acid from the hydrofluoric acid production,which contents 12% effective hydrofluoric acid,the analysis,research and investigation were made on the feasibility of using it to replace the industrial hydrofluoric acid(30%) to produce potassium borofluoride .

为充分利用氢氟酸生产过程中副产废酸中12%的有效氢氟酸，对其代替工业氢氟酸(质量分数30%)生产氟硼酸钾的可行性进行了分析、研究、探讨。

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。