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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;
- London is spelt with a capital L'. London一字中L是大写的。
- We are interested in betain product for feed. 本信息价值5点积分;建议回复日期2005-02-10之前.
- The name is soluble f-m-s-like tyrosine kinase one? 这种蛋白质叫做可溶解fms样酪氨酸激酶一，
- No tyrosine was found in amino acids of AFL. 在AFL的氨基酸组成中不含Tyr。
- Effects of NaCl stress on betaine, chlorophyll fluorescence and chloroplast pigment of leaves of Lycium Barbarum L. NaCl胁迫对枸杞叶片甜菜碱、叶绿素荧光及叶绿素含量的影响。
- HPLC with NH2 stationary phase can be applied to determine the content of betaine from Lycium barbarum L. 试验认为，NH2柱未经衍生高效液相色谱法能快速准确地测定枸杞甜菜碱含量，可用于枸杞的质量控制。
- My main concern is with the W's and L's. 我关注的是一场比赛的输赢。
- I charge you not to forget what l have said. 我告诫你不要忘记我所说的话。
- These investigators showed that betaine caused a growth response. 这些研究者证明:甜菜碱导致生长反应。
- The floor was littered with ravel(l)ings. 地板上布满了散线。
- The paper reported the new technology of synthesizing betaine. 报道了合成甜菜碱的新工艺。
- The punch level(l)ed him to the ground. 这一拳将他击倒在地。
- In this paper, betaine was synthesized by a new technology. 提出了甜菜碱合成的新工艺。
- The soldier level(l)ed his rifle at the target. 士兵举起步枪瞄准靶子。
- George travel(l)ed all over Europe last summer. 乔治在去年夏天游遍了欧洲。
- He libel(l)ed against her character in an article. 他在一篇文章中诽谤她的人格。
- Can't l prevail on you to have a little more rice? 不能勉强你再吃点饭吗?
- The novel will appear in instal(l)ments. 这部小说将分期发表。
