一甲铵
- 与 一甲铵 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In this thesis, a convenient and efficient synthesis of highly functionalizeddihydropyrido[2,3-d]pyrimidines via a double [5 + 1] annulation strategy startingfrom easily available α-alkenoyl-α-carbamoyl ketene--acetals 1 and cheapreagents (NH4OAc, DMF, and POCl3) has been developed.
本论文探索了一种简便有效的合成高度官能化的二氢吡啶并[2,3-d]嘧啶的方法,此方法由易得的α-乙酰基-α-氨基乙酰基二硫缩烯酮1和便宜的试剂(醋酸铵,二甲基甲酰胺和三氯氧磷)通过两步[5 + 1]加成而实现。
- 推荐网络例句
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The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.
对二级脱盐水系统中铁离子含量超标的原因,如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。
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You were hired to drum up new business, so go and do it.
公司雇你招徕新业务,你就做你的事好了。
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Who is in possession of this?
这是谁的?