网络例句
四乙酸铅
- 与 四乙酸铅 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Then the protected D-mannitol, mixed with lead tetraacetate, hippuric and acetic anhydride, were refluxed in THF for 18 h in a one-pot two step reaction to afford a chiral precursor-2-phenyl-4-[-2,3-O-]-propylidene-5(4H)-oxazolones.
产物与四乙酸铅、马尿酸、乙酐于THF中回流18 h完成一釜二步反应,纯化后得到含有手性碳原子的环丙烷氨基酸前体-2 苯基-4-[-2,3-O-]丙叉?
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Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.
万寿菊对土壤要求不严,以肥沃。排水良好的砂质壤土为好。
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He unstepped the mast and furled the sail and tied it.
他拔下桅杆,把帆卷起,系住。
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Therefore, positively advances the interest rate marketability reform is one of current our country finance reform important tasks.
因此,积极推进利率市场化改革是当前我国金融改革的重要任务之一。