in the formula (1), r1 represents benzyl group or phenoxy methyl and m represents monovalent cation.
式(1)中,r1表示芐基或苯氧甲基。m表示一价的阳离子。
the type of organic solvent has considerable effect on the reaction, and the effect is mainly decided by the ability of the solvent to stabilize the phenoxy radical formed in the reaction.
不同有机溶剂对反应有明显影响,主要在于其能否稳定所形成的酚氧自由基。
no scientifically documented health risks, either acute or chronic, exist from the approved uses of the phenoxy herbicides.
不科学地被提供的健康风险,或深刻或慢性,存在从对含苯氧基的除草药的批準的用途。
phenoxy resin was used as binders of radar absorbing coatings(rac). the effect of solvents, molecular weight and curing agent on the mechanical properties of rac has been investigated.
thermal analysis of solution cast mixtures of pcl and phenoxy has been carried out with various programmed temperature profiles.
通过采用不同变温程序对溶液铸膜pcl与酚氧共混物进行了热分析。
phenoxy acetic acid was prepared in the pressence of chloroacetic acid, phenol and naoh under microwave irradiation. the optimum condition was obtained. the yield could reach 97.3%.
用微波辐射合成苯氧乙酸,考察了不同反应条件对收率的影响,优化出最佳反应条件,收率可达97.3%。
on account of above reasons, the national product of penicillium expansum alkaline lipase were chosen to study its interaction with chiral phenoxy acid herbicides, 2,4-dp, mcpp and 2,4-dpm.
with increasing the electron withdrawing substituents in the phenoxy ring, the catalytic activity was increased, and the molecular weight of polyethylene decreased.