- 双语例句 更多例句
方法: 以胡椒丙烯酸为原料,经加成 、 拆分 、 缩合反应以及结晶分离,制得法西多曲.
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对乳化液膜技术分离丙氨酸进行了实验研究,从而探索了从味精生产过程的第二次等电点结晶母液中回收丙氨酸的新途径。
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介绍了以废硬质合金顶锤为原料,采用碱熔法处理,结合焙烧、浸取、水解、结晶等方法,分离钨和钴,然后制取12-磷钨酸的原理和生产工艺。
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- 相关词组
- estimation method of man-hours by experience经验估工法
- transport by car or train陆运;
- continue the day by night夜以继日;
- factorization by grouping分群分解法
- attract attention by being eccentric标新立异;
- erosion caused by磨蚀原因
- abide by the law[法]遵守法律;
- failure by piping管涌破坏
- failure caused by bending弯曲损坏
- remit by post邮汇;
- by value[计] 传值;
- by volume[化] 按体积计;
- analysis by successive approximations逐步渐近法分析;
- abide by遵守;信守;忠于(某人);接受;
- extraction separation萃取分离(法)
- by turns轮流地,交替地;挨;更番;
- soil classification by formation土的成因分类
- fabricated by the buyer由买方制造
- step by step tray逐板;逐步板
- failure by subsurface erosion地下侵蚀破坏
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- pineapple n.菠萝;凤梨;〈俚〉手榴弹;
- toothbrush n.牙刷;
- upward adj.向上的,上升的;升高的;
- Buddhism n.佛教;释;佛门;释门;
- publicly adv.公然地;以公众名义;
- until you 直到你;只有你;直到你出现;
- smooth adj.光滑的;温和的;v.使光滑;均匀涂抹;安抚;
- microsoft toolkit 激活工具
- Failure n. 失败,不及格;缺乏,不足;破产,倒闭;失败的事,失败者;
- discuss v.讨论,商量;阐述;
- smell v.有(或发出)…气味;闻到;嗅到(气味);嗅(气味);有难闻的气味;觉察出n.气味;嗅觉;臭味;嗅
- what's up 怎么了,发生什么啦?;近来如何?;

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