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- Influence factors on reaction of phosphate rock with urea sulfuric acid, such as reaction temperature and mol ratio of urea &sulfuric acid, were studied. 本文对硫酸脲分解磷矿粉反应的影响因素(反应温度、尿素与硫酸的摩尔比)进行了分析。
- Keywords urea sulfuric acid;acidulate agent;cleaning process;compound fertilizer;fluorine emission rate;crystallization kinetics;reaction kinetics.; 脲硫酸;酸解剂;复合肥料;清洁工艺;氟逸出率;反应动力学;结晶动力学;
- urea sulfuric acid 脲硫酸
- Most sulfuric acid is made by the contact process. 大多数的硫酸是用接触法制造的。
- Chemical reactions in urea-sulfuric acid system with different ratio of urea and sulfuric acid at various temperatures are studied. 摘要研究了硫酸尿素系统在不同配比和不同温度的化学反应。
- Chlorination is carried out with Nhaloamines and sulfuric acid. 氯化是用N-卤胺和硫酸。
- 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。
- 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。
- Sulfuric acid is main catalyst for the synthesis of carboxylic acid esters. 羧酸酯的合成主要用硫酸作催化剂，但这种催化剂有许多缺点。
- Phosphate rock is mixted with sulfuric acid and with revycled first-wash acid in a premixer. 磷矿在一个预混合槽中与硫酸以及循环回的第一洗涤酸进行混合。
- A new surfactant heavy crude oil sulfonates (HCOS) was synthesized from Daqing Heidimiao oil with fuming sulfuric acid. 考察了酸烃比、反应温度、反应时间对磺化反应的影响。
- A study is made of separation of zinc from iron in waste sulfuric acid pickle liquor by solvent extraction. 对溶剂萃取分离镀锌酸洗废液中的锌、铁进行了研究。
- That sulfuric acid reacts with copper,forming copper sulfate is known to most people. 大多数人都知道，硫酸与铜化合起反应，生成硫酸铜。
