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- Most sulfuric acid is made by the contact process. 大多数的硫酸是用接触法制造的。
- The masonry construction outlines for sulfur burner of 250 kt/a sulfuric acid plant based on sulfur are summarized. 总结了250kt/a硫磺制酸装置焚硫炉的筑炉施工要点,供同仁参考。
- 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。
- Based on this step, 2-chloro-6-fluorobenzoic acid in sulfuric acid reacted with sodium azide，we have succeed in the synthesis of 2-chloro-6- fluoroaniline. 采用2-氯-6-氨基甲苯作原料，经过重氮化反应和氟化反应，得到2-氯-6-氟甲苯，再用高锰酸钾氧化得到2-氯-6-氟苯甲酸，在此基础上与叠氮化钠反应得到2-氯-6-氟苯胺。
- The method was based on the inhibition effect of iodine on the nitrite catalyzed oxidation of cresol red by potassium bromate catalyzed by nitrite in dolute sulfuric acid medium. 研究了在稀硫酸介质中,痕量碘离子对亚硝酸根催化溴酸钾氧化甲酚红的阻抑作用,建立了测定痕量碘离子的阻抑动力学光度分析的新方法。
- A review is given on the causes for deactivation of domestic and foreign Co Mo based sulfur tolerant shift catalysts. 对国内外Co －Mo 系耐硫变换催化剂失活的原因进行了综述。
- 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 rare-earth-magnesium-calcium alloy is a compacted agent more suitable for high sulfur base gray iron in cupola. 稀土镁钙合金是比较适合于冲天炉高硫铁水使用的蠕化剂。
- 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。
- Statistical analysis was made on the correlation of API and mass fraction of sulfur based on the price differences between 15 types of OPEC Crude oil and UAE Dubai crude oil. 以欧佩克15种原油与迪拜原油的价差,对美制密度(API)、硫的质量分数的相关性进行了统计分析。
- 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...
- Since the introduction of the Co Mo based sulfur tolerant shift catalysts a deep, painstaking study has been made of their preparation process, reaction mechanism and kinetics. 自Co － Mo 系耐硫变换催化剂问世以来，人们对其制备工艺、反应机理、动力学等进行了深入细致的研究。
- 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。
