您要查找的是不是:
- Health standard for rock wool dust in the air of workplace. 车间空气中岩棉粉尘卫生标准.
- Health standard for p-nitroaniline in the air of workplace. 车间空气中对硝基苯胺卫生标准.
- Health standard for respirable silica dust in the air of workplace. 车间空气中呼吸性矽尘卫生标准.
- Hygienic standard for grinding wheel dust in the air of workplace. 车间空气中砂轮磨尘卫生标准.
- Health standard for flax,jute and ramie dusts in the air of workplace. 车间空气中麻尘(亚麻、黄麻和苎麻)卫生标准.
- To establish a method of GC detection of chloroacetone in the air of workplace. 建立工作场所空气中氯丙酮气相色谱测定方法。
- Hygienic standard for arsenic and its inorganic compounds in the air of workplace. 车间空气中砷及其无机化合物卫生标准.
- To established a GC analytical method for 2-Diethylaminoethanol in the air of workplace. 建立工作场所空气中2-二乙氨基乙醇气相色谱测定方法。
- To establish a precticable method for quantifying of diethyl ketone(DEK)in the air of workplace. 建立可定量测定工作场所空气中二乙基甲酮(DEK)的实用方法。
- To establish national health standard for thiophosphoryl chloride in the air of workplace. 研究工作场所空气中三氯硫磷卫生标准。
- Objective To study the exposure condition for hydroquinone (HQ) in the air of workplace. 目的研究我国车间空气氢醌(HQ)接触情况。
- Objective To develop the methods for determination of nitromethane,nitroethane,1-nitropropane,2-nitropropane in the air of workplace. 目的为工作场所空气中硝基甲烷、硝基乙烷、1-硝基丙烷、2-硝基丙烷职业接触限值提供配套的采样及测定方法。
- Objective:To develop a Triton X-100 solubilization spectrophotometric method for the determination of furaldehyde in the air of workplace. 目的:研究曲拉通100增溶苯胺分光光度法测定作业场所空气中糠醛的方法。
- The air of a big city is often impure. 大城市的空气往往是污浊的。
- The words undoubtedly give the air of positiveness. 毫无疑问,这些话增添了肯定的气氛。
- Gases from cars are poisoning the air of our cities. 汽车放出的废气在污染我们城市的空气。
- The air of this room is impregnated with damp. 这房间充满着湿气。
- Each nibble was eaten with the air of an epicure. 每小块食物都吃得津津有味的样子。
- Health standard for cresol in the air of workplace 车间空气中甲酚卫生标准
- Health standard for dioxide in the air of workplace 车间空气中二氧化碳卫生标准