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- sulfur acid pretreatment 硫酸预处理
- These complexes require phosphoric acid pretreatment for their removal in degumming or refining. 这些复合物需通过在脱胶或精炼中加磷酸预处理来去除。
- Dilute acid pretreatment, ammonia steeping pretreatment (ASP) and stream explosion process (SEP) of biomass are reviewed. 对植物纤维素原料的预处理方法进行了综述。
- 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
- Most sulfuric acid is made by the contact process. 大多数的硫酸是用接触法制造的。
- After hot grinding pretreatment of corn stalks,the hydrolysate of corn stalks by dilute sulfuric acid was prepared. 采用热磨方法对玉米秸秆进行预处理,再经稀硫酸催化加压水解,制得玉米秸秆水解液。
- The industrial advance was reviewed on the technology of decompositing phosphogypsum for the production of sulfur acid and cement all round the world. 本文综述了国内外利用磷石膏生产硫酸和水泥的工业技术进展。
- The method of orthogonal experiment was used to find the reason of rolled steel blister in panting pretreatment process if take sulfuric acid or hydrochloric acid as mordant. 本文介绍了利用正交优化法进行试验,找出涂装前处理过程中,用硫酸或盐酸做酸洗剂时,经常出现的钢材起泡的原因,并制定出了相应的预防措施。
- 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
- 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。
- Fracture pressure is the key parameter designed for hydraulic fracturing.On the other hand, acidizing pretreatment is one of the measures reducing fracture pressure. 破裂压力是水力压裂设计的关键参数，而酸化预处理是降低破裂压力的措施之一。
- dilute sulfurie acid pretreatment 稀硫酸预处理
- The basic situation about 300 kt/a sulfuric acid plant by sulfur burning in Tianhu Chemical (Co.,) Ltd. 介绍江川天湖化工有限公司300kt/a硫磺制酸装置的基本情况;
- ultrasound-assisted acid pretreatment 酸-超声波预处理
- 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 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。
- After pretreatment and dilution，waste sulfuric acid from titanium white production was used for preparation of resorcinol by acidic hydrolysis of meta-phenylenediamine. 摘要 钛白粉生产过程所产生的废硫酸经预处理、稀释后，用于间苯二胺酸性水解制备间苯二酚。
- The active cooking chemicals in the sulfite process are sulfur dioxide, sulfurous acid, and calcium bisulfite. 亚硫酸盐法制浆过程中活性化学物质是二氧化硫、硫酸以及酸性亚硫酸钙。
- 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。
