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- UHMWPE has a fine corrosion resistance to inoxidable acid (dilute sulfuric acid, nitric acid and large concentration hydrochloric acid, phosphorus acid, hydrofluoric acid, and salty solutions. UHMWPE对非氧化性酸(烯硫酸、硝酸及浓度较大的盐酸、磷酸、氢氟酸、甲酸、乙酸)、氨和胺及各种碱、盐溶液都有两好的耐蚀性、两种材料都不耐强氧化性酸的腐蚀。
- From the yield, supreme yield was the treatment under nitrogenous acid phosphorus acid potassium fertilizer, second were phosphorus and phosphorus acid potassium fertilizer, potassium fertilizer have little production. 从经济产量结果看,氮磷钾肥配施的产量最高,其次为单施磷肥和磷钾肥配施,单施钾肥增产效应不大。
- Most sulfuric acid is made by the contact process. 大多数的硫酸是用接触法制造的。
- Chlorination is carried out with Nhaloamines and sulfuric acid. 氯化是用N-卤胺和硫酸。
- The phosphorus content of phytin was determination in molybdate-antimony-scandium color agent after it was digested by concentrated sulfuric acid and perchlorate, with its deviation of no over 5%. 浓硫酸和高氯酸消解后,用钼-锑-钪复合显色剂测定植酸钙中的磷含量,偏差不超过5%25;
- The phosphorus content of phytin was determined in molybdate-antimony-scandium color agent after it was digested by concentrated sulfuric acid and perchlorate,with its deviation of no over 5%. 浓硫酸和高氯酸消解后,用钼-锑-钪复合显色剂测定植酸钙中的磷含量,偏差不超过5%25;
- 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。
- Acidifier A_1 &A_2 were both composed with phosphorus acid(40%~50%), lactic Acid, citric acid, fumaric acid, cider acid, tartaric acid and excipient. 复合酸A_1和复合酸A_2是由磷酸、乳酸、柠檬酸、延胡索酸、苹果酸、酒石酸和赋形剂组成。
- 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。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries