Preparation of insoluble quaternary ammonium bactericides by cross linked polystyrene carried bactericidal functional groups 交联聚苯乙烯树脂固载杀菌活性官能团制备季铵盐类杀菌剂
It has shown that on untreated fiber surfaces , the high modulus fiber has much less functional groups than the low modulus fiber 研究表明，高模量碳纤维的表面化学基团含量要比低模量碳纤维的低。
Each functional group consists of one or more related objects , collections , or interfaces that contribute to a particular purpose 每个功能组由一个或多个促成特定用途的相关对象、集合或接口组成。
The study probed the changes of alpine meadows in vegetation composition , diversity , functional group and productivity 摘要本研究探讨了高寒草甸在不同划破强度下植被组成、多样性、功能群和生产力的变化。
Lessons learned reviews are supported by supplier quality , product design , materials , containerization and other functional groups 经验教训评审需要供应商质量，产品设计，物料，装运和其他功能组的支持。
Hydroformylation of the olefinic double bonds was n atom economic method th introduce new functional group in the oil compounds 而通过双键的氢甲酰化反应引入新官能团能为油脂的化工利用提供了一条广阔的道路。
In organic synthesis , the amino is a very important functional group , it has to protect , support , positioning , and other functions 摘要在有机合成中，氨基是一个很重要的官能团，它具有保护、辅助、定位等功能。
" hydrolysis ： chemical reaction in which water ( h2o or hoh ) and another reactant exchange functional groups to form two products , one containing the h and the other the oh . 水解:一种化学反应，其中水与另一个反应物交换官能团而形成两个产物，一个含h ，另一个含oh 。
The results showed that choice and compounding ratio of chemical functional group having affinity with polymer and filling was the key to develop the homogenizing - dispersing agent 结果表明，与大分子及填料亲和性好的化学基团的选择及配比是研制均匀分散剂的关键。
Compositional dynamics of plant functional groups and their effects on stability of community anpp during 17 yr of mowing succession on leymus chinensis steppe of inner mongolia , china 内蒙古羊草草原17年刈割演替过程中功能群组成动态及其对群落净初级生产力稳定性的影响
