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- Synthesis of L thyroxine is described, L tyrosine, as the starting material, was iodized with powdered iodine and hydrogen peroxide to yield L 3,5 diiodotyrosine. 以L-酪氨酸为起始原料,用碘粉和双氧水碘化制备3,5-二碘-L-酪氨酸,再将氨基和羧基加以保护,经孵化反应制备高纯度、具生物活性的L-甲状腺
- Keywords L tyrosine;incubation;L thyroxine; 酪氨酸;孵化反应;L-甲状腺素;
- A polymer of two or more different monomers. 共聚物一种由两种或多种不同单体构成的聚合物
- London is spelt with a capital L'. London一字中L是大写的。
- A molecule that can combine with others to form a polymer. 单体可以与其他分子结合形成聚合物的分子
- Hedrick James L,Jurek 1 M,Hedrick J C,et al.,Polymer[J],1991,32:2020. 韦春;谭松庭;王霞榆.;反应型液晶聚合物改性环氧树脂性能的研究[J]
- Ferric Chloride alone gives polymer with benzene. 三氧化铁可单独催化苯的聚合。
- My main concern is with the W's and L's. 我关注的是一场比赛的输赢。
- The viscosity of the polymer was 2.16 poise. 聚合物的粘度为2.;16泊。
- An apparatus for determining the order of constituents in a biological polymer. 顺序分析仪确定生物学的聚合体中成份顺序的仪器
- I charge you not to forget what l have said. 我告诫你不要忘记我所说的话。
- High conductivity polymer ion conductor in R.T. 室温高导电率高分子离子导体。
- The floor was littered with ravel(l)ings. 地板上布满了散线。
- Changzhou Dupeng Polymer Material Co., Ltd. 常州都朋高分子材料有限公司。
- The punch level(l)ed him to the ground. 这一拳将他击倒在地。
- JIANGSU JIANGNAN HIGH POLYMER FIBER CO., LTD. 江苏江南高纤股份有限公司。
- The soldier level(l)ed his rifle at the target. 士兵举起步枪瞄准靶子。
- Wuxi Yutian High Polymer Material Co., Ltd. 无锡市裕田高分子材料有限公司。
- George travel(l)ed all over Europe last summer. 乔治在去年夏天游遍了欧洲。
- The sturctureof polymer emulsion is characterized. 表征了所得聚合物乳液的结构。