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- countercurrent nitration 对流硝化
- The nitration of this may lead to dinitrotoluene. 对此的硝化会生成二硝基甲苯。
- An eddy or countercurrent in water. 逆流水中的漩涡或逆流
- A sulfonation agent and nitration agent. 废水处理。磺化剂、硝化剂。
- Some amines undergo direct nitration during nitrolysis. 某些胺在硝解时发生直接硝化。
- Objective To study the countercurrent causes of protal vein. 目的探讨门静脉逆流的原因。
- The total time < of countercurrent 1 hour / 24 hours. 反流的总时间<1小时/24 小时。
- Some people proposed polymerizing the glycerine prior to nitration. 有人建议在硝化之前,把甘油聚合。
- The nitration of pcymene may lead to dinitrotoluene. 硝化对位异丙基甲苯时会生成二硝基甲苯。
- Nitration ability of dinitrogen pentoxide was introduced. 介绍了五氧化二氮的硝化能力,综述了五氧化二氮在硝化反应中的研究进展。
- The N nitration of 2,4-dinitroaniline was investigated. 摘要研究了2,4-二硝基苯胺在不同条件下的硝化情况。
- With HPLC the two-phase nitration of phenol is stud-ied. 利用HPLC研究了苯酚的两相硝化反应。
- Countercurrent washing is applied to reduce acid pollution effectively. 摘要采用逆流洗涤方式有效减轻酸污染。
- In esophagitis of 10 countercurrent sex, 7 see balloon appearance cell. 在10例反流性食管炎中,7例见到气球样细胞。
- Protein tyrosine nitration is a biomarker of NO-dependent oxidative stress. 摘要蛋白质酪氨酸硝化是一氧化氮依赖的氧化应激的生物标志。
- Dynamic simulation of multi-stage countercurrent is an important subject in the field of Chemical Dynamics. 多级逆流过程的动态模拟,是化工动态学领域中的一个重要课题。
- Nitrous oxide pollution of the atmosphere occurs usually from the nitration of cellulose and other organic materials. 大气中的一氧化二氮污染通常由纤维和其他有机物质的硝化作用产生。
- Black tea extracts are normally produced by a hot or boiling water extraction process, usually a countercurrent process. 红茶的提取物通常是用热水或沸水通过逆流萃取工艺来制取的。
- The efficiency of any automatic safety device should be checked before every nitration. 每种自动安全装置应在每次硝化前进行检验。
- Multi-level plain weave surface filtration structure, good effects in countercurrent rinsing. 多层平织丝网表层过滤结构,逆流清洗效果好,清洗简单。