ech

THF copolymerized GAP is synthesised by the azidation of hydroxyl THF - ECH copoyethers.

b.端羟基THF - ECH共聚醚叠氮化生成THF共聚 型GAP粘合剂.

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The applications of ECH in drug synthesis and GLD in some organic synthesis were reviewed.

综述了ECH在药物合成以及GLD在部分有机合成中的应用.

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In the test , the toluene content in cyclic ECH was increased step by step.

通过色谱分析,发现回收环氧氯丙烷(ECH)中甲苯含量在逐步升高.

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As a standard resin in China, E type epoxy resin is condensed by BPA and ECH.

E系列环氧树脂为国内通用型树脂, 由BPA与ECH(环氧氯丙烷)缩合生成.

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Ecc growsmost rapidly at 26℃, Eca at 21℃, while growth of Ech was similar in 3 temperatures.

Ecc在26℃生长最好, Eca为21℃, Ech在三种温度下的生长量差别不大.

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The level of INS was also elevated , being the highest in the ECH subgroup.

ECH组血浆 INS 水平最高.

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Both Tradition Collusion Hypothesis ( TCH ) and Efficient Structure Hypothesis ( ECH ) are invalid in China fund industry.

传统的有效结构假说和 共谋 假说对我国的基金业均不成立,而修正的有效结构假说能较好地反映我国基金业的市场绩效与市场结构之间的关系.

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ECH ( Echo Canceller Hybrid System ) is used to remove sidetones.

消除侧音采用了回波相消技术.

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In English, complex sentences are a number of spe ech language phenomena.

在英语中, 复合句是大量出现的语言现象,从句种类之多,表达形式各具特点.

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Under the same conditions, propylene oxide polymerization proceeded fasfer than ECH polymerization.

在同样的聚合反应条件下, 环氧氯丙烷聚合反应速度大于环氧丙烷聚合反应速度.

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