查询词典 fluoride

Metallic calcium also burns in fluorine gas, forming the fused fluoride, and occasionally minute crystals of fluorspar.

金属钙还烧伤的氟气，形成了融合氟化物，偶尔分钟和萤石晶体。

A method of producing crystal sodium fluoride with sodium fluosilicate and sodium carbonate is introduced.

本文介绍了以氟硅酸钠、纯碱为原料生产晶体氟化钠的工艺，并对操作条件作了详细的说明。

The process of preparating potassium fluosilicate from the mother liquor of magnessium fluoride has been studied.

研究了以氟化镁母液为原料制取氟硅酸钾的工艺过程，通过试验获得了最佳工艺条件。

Phosphate fertilizer production;fluorinated gas;comprehensive utilization;barium fluosilicate;barium fluoride

中图分类号：TQ124.31；132.35 文献标识码：A 文章编号：1006-4990(2009)02-0041-02磷肥生产；含氟气体；综合利用；氟硅酸钡；氟化钡

Fluoride treatment included both excised leaves cultured in nutrient solutions and leaves from plants fumigated with HF.

氟化物处理既包括培养在营养溶液中的切离叶片和HF熏气的植株上来的叶片。

Furthermore, many mothers have found that vitamin or fluoride supplements may cause fussiness or colic in their infants.

此外，许多妈妈发现，维生素或氟化物补充剂可能导致某些宝宝哭闹或出现腹绞痛。

The effect of low-level doses of gamma radiation on the properties of the poly-vinylidene fluoride hollow fiber membrane was studied.

研究了较低剂量的γ辐射对聚偏氟乙烯中空纤维膜的结构与性能的影响。

Results When select 1mol/L DTA in TISAB,the relative error of determination is smaller than 5.2%.Although the basis value is a little high,the filter is good absorbent of gaseity and aerosol fluoride.As for the pro-procedure,instead of dealing with supersonic for 15min in 40℃ stir in HCl for 1 hr.The average recovery of standard material is 93.9%.

结果 选用1mol/L柠檬酸钠作TISBA测定偏差＜5.2%；经浸渍处理的滤纸本底氟略有升高，但对气态或气溶胶态都能更好地阻留吸收；前处理方法可用酸浸搅拌成纸浆浸放1h代替40℃超声15min；用煤飞灰标准物质加标回收，平均回收率93.9％。

Guards against the facture and the correlation stipulation based on the air pollution defines, the air pollutant may divide into four big projects, respectively be the gaseity pollutant (including sulfur oxide compound bucket carbon monoxide, nitrogen oxide compound, hydrocarbon, chlorine, gasified hydrogen, fluoride, chlorhydrocarbon and so on), the granular pollutant (including suspended particulate matter, golden bureau coal smoke, black smoke, acid fog, falls dust and so on), two pollutant (refers to pollutant to pass through photochemical reaction in air to have pollution again, including photochemistry fog, photochemistry high oxide compound and so on) and odor matter (including chlorine, hydrogen sulfide, curing methyl, sulfur alcohol type, methyl amines) and so on.

依据空气污染防制法及相关规定所定义，空气污染物可分为四大项目，分别为气状污染物（包括硫氧化物勺一氧化碳、氮氧化物、碳氢化合物、氯气、气化氢、氟化物、氯化烃等）、粒状污染物(包括悬浮微粒、金局煤烟、黑烟、酸雾、落尘等)、二次污染物（指污染物在空气中再经光化学反应而产生之污染，包括光化学雾、光化学性高氧化物等）及恶臭物质(包括氯气、硫化氢、硫化甲基、硫醇类、甲基胺类)等。

We report an experimental study of the glancing angle deposition and obliquely deposited Magnesium fluoride for vapor deposited thin films.

中文摘要本论文针对氟化镁材料以热蒸镀及斜向沈积技术制镀微观结构薄膜，以单一斜向沈积以及连续交错沈积法来制作非均向性的光学薄膜。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。