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- Main methylene chloride and chloroform sales. 主营二氯甲烷和三氯甲烷的销售。
- chloride and fluoride 氯氟污染
- The rings are opened with hydrogen chloride and deuterium chloride. 应用氯化氢和氯化氘打开沅环。
- The overall solid, rigidity, nitrate,fluoride and chloride and so on, have exceeded the national table-water standard. 大部分地区潜水中总固体、总硬度、硝酸盐、氟化物、氯化物含量等已超过国家饮用水标准。
- Results Methyl isocyanate,chloride and oxide of Quercetin were prepared. 结果制备了槲皮素的甲基异氰酸酯、氯代化合物和氧化物。
- Objective To study the function of electromagnetic fields on decrease turbidity value and fluoride in drinking water. 摘要目的探讨复合电磁场降低水的浑浊度和除氟功能。
- Determination of chlorides and sulfates.Turbidimetric method. [标准名称] Hydrogen peroxide for industrial use.
- The polymeric shell is a copolymer of a vinylidene chloride and acrylonitrile. 该聚合体外壳是偏二氯乙烯与丙烯腈的共聚物。
- Electromagnetic fields can be used to reduce turbidity value and fluoride in water. 复合电磁场可有效降低水的浑浊度和去除其中的氟离子。
- Objective:To study the solid-phase reaction between terbium chloride and N-HPA. 目的:用低温固相反应法合成了氯化铽和N-苯基邻氨基苯甲酸的稀土配合物。
- The turbidity value and fluoride in water were reduced 98% and 80%~85% after treated by electromagnetic fields. 复合电磁场对水样的浑浊度去除率达98%25以上，对氟化物去除率达到80%25~85%25。
- Conclusion Electromagnetic fields can be used to reduce turbidity value and fluoride in water. 结论复合电磁场可有效降低水的浑浊度和去除其中的氟离子。
- Fujian Shaowu Yongfei Chemical Co., Ltd.- Hydrogen fluoride and fluoride salts manufacturer in China. 上海卓越纳米新材料股份有限公司-生产纳米活性碳酸钙。
- Fluorine is an element of great environmental interest and fluoride is one of the pollution controlling species. 氟化物是大气污染物控制的污染物种，煤燃烧是大气氟污染的最大潜在污染源。
- Must be treated to neutralise acids, precipitate dissolved metals, sulphide and fluoride and reduce nutrients such as phosphates and nitrogen. 沉淀溶解金属,硫化物和氟化物和减少像磷酸盐和氮之类的营养物。
- A review was given on the recent progress in the study of antifouling coatings with low surface energy (organosilicon system and fluoride system). 摘要低表面能防污涂料（有机硅系列和氟化物系列）因具有独特的性能而在许多领域得到广泛应用。
- It has good corrosion-resistance in sea chloride and hot steam, it bears well both and cold working pressure. 在海水、氯化物的过热蒸汽中耐蚀良好,能较好的承受冷热加工。
- Methods The concentration of thirty-one elements in 43 teeth was measured by plasmatron spectrographic analysis and fluoride selective electrode. 方法用等离子发射光谱分析和氟电极法，测定31种元素在43颗不同着色程度的离体牙釉质中的含量。
- Carboxyethyl (phenyl) phosphinic acid with the yield of 69.2% was synthesized from phosphorous trichloride, benzene, sodium chloride and acrylic acid. 以三氯化磷、苯、三氯化铝、氯化钠、丙烯酸为原料合成了阻燃剂2-羧乙基苯基次磷酸，收率69.;2%25。
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
