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- sulfuric acid heat test 硫酸发热试验
- Most sulfuric acid is made by the contact process. 大多数的硫酸是用接触法制造的。
- acid heat test 酸热试验
- nitration acid heat test 硝酸加热试验
- The influence factors of sulfuric acid soaking for treating chrysotile was investigated by means of orthogo-nal test. 利用正交试验法对蛇纹石酸浸取处理的影响因子进行了研究。
- Chlorination is carried out with Nhaloamines and sulfuric acid. 氯化是用N-卤胺和硫酸。
- Results Major occupational hazards in this project are predicted as lead fume and dust, sulfuric acid, potassium hydroxide, heat stress and noise. 结果该建设项目存在的主要职业病危害因素为:铅烟、铅尘、硫酸、氢氧化钾、高温和噪声,部分岗位铅浓度超标。
- A substance, such as sulfuric acid, that removes water. 脱水物质脱去水分的一种物质,如硫酸
- A corrosive solution of sulfur trioxide in sulfuric acid. 发烟硫酸含三氧化硫酸的一种腐蚀性溶液
- Conclusion:The sulfuric acid anthrone method is reasonable. 结论:该法可作为桑叶中多糖的含量测定方法。
- Correspondingly,the measurement programs including sulfuric acid test measuring com-prehensive quality of alcohol had not been instituted in EU. 而检测酒精综合质量水平的硫酸试验,欧共体等国家却未设立。
- The superheated steam temperature is an important parameter in the waste heat recovery system of sulfur-based sulfuric acid plant. 硫磺制酸装置余热回收系统的过热蒸汽温度是一个重要的参数。
- The test solution is placed in a test tube, and a small amount of alpha-naphthol added; concentrated sulfuric acid is then trickled slowly down the side of the tube. 在试管中放入待检测的溶液,加入少量的萘酚,接着把浓硫酸沿着试管壁缓缓滴入试管。
- GUIDE TO COLD AND DRY HEAT TESTS. 冷和干热试验指南。
- The nitrile (II) (28 g) was mixed with 26 ml of concentrated sulfuric acid. 将28克腈化物(II)与26毫升浓硫酸进行混合。
- The nitrile (II) (28 g) was mixed with 26 ml.of concentrated sulfuric acid. 将28克腈化物(II)与26毫升浓硫酸进行混合。
- Muriatic Acid and cocaine are natural ingredients as well. So is sulfuric acid. 盐酸和古柯碱都也是天然成分,所以硫酸也是...
- Two processes with concentrated sulfuric acid recently appeared are reviewed. 对新近出现的两个浓硫酸水解工艺进行述评。
- Estazolam reacts with sulfuric acid to form an intense fluorescent substance. 本文提出了硫酸颜色反应用于艾司唑仑的荧光测定新方法。
- The reaction of magenta and nitrite in sulfuric acid m ed ium was studied. 据此建立了一个简单、快速、选择性好的测定亚硝酸盐氮的新方法。