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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(fǎng)-酪氨酸為起始原料,用碘粉和雙氧水碘化制備3,5-二碘-L-酪氨酸,再將氨基和羧基加以保護,經(jīng)孵化反應制備高純度、具生物活性的L-甲狀腺
- Keywords L tyrosine;incubation;L thyroxine; 酪氨酸;孵化反應;L-甲狀腺素;
- London is spelt with a capital L'. London一字中L是大寫(xiě)的。
- We are interested in betain product for feed. 本信息價(jià)值5點(diǎn)積分;建議回復日期2005-02-10之前.
- The name is soluble f-m-s-like tyrosine kinase one? 這種蛋白質(zhì)叫做可溶解fms樣酪氨酸激酶一，
- No tyrosine was found in amino acids of AFL. 在A(yíng)FL的氨基酸組成中不含Tyr。
- Effects of NaCl stress on betaine, chlorophyll fluorescence and chloroplast pigment of leaves of Lycium Barbarum L. NaCl脅迫對枸杞葉片甜菜堿、葉綠素熒光及葉綠素含量的影響。
- HPLC with NH2 stationary phase can be applied to determine the content of betaine from Lycium barbarum L. 試驗認為，NH2柱未經(jīng)衍生高效液相色譜法能快速準確地測定枸杞甜菜堿含量，可用于枸杞的質(zhì)量控制。
- My main concern is with the W's and L's. 我關(guān)注的是一場(chǎng)比賽的輸贏(yíng)。
- I charge you not to forget what l have said. 我告誡你不要忘記我所說(shuō)的話(huà)。
- These investigators showed that betaine caused a growth response. 這些研究者證明:甜菜堿導致生長(cháng)反應。
- The floor was littered with ravel(l)ings. 地板上布滿(mǎn)了散線(xiàn)。
- The paper reported the new technology of synthesizing betaine. 報道了合成甜菜堿的新工藝。
- The punch level(l)ed him to the ground. 這一拳將他擊倒在地。
- In this paper, betaine was synthesized by a new technology. 提出了甜菜堿合成的新工藝。
- The soldier level(l)ed his rifle at the target. 士兵舉起步槍瞄準靶子。
- George travel(l)ed all over Europe last summer. 喬治在去年夏天游遍了歐洲。
- He libel(l)ed against her character in an article. 他在一篇文章中誹謗她的人格。
- Can't l prevail on you to have a little more rice? 不能勉強你再吃點(diǎn)飯嗎?
- The novel will appear in instal(l)ments. 這部小說(shuō)將分期發(fā)表。
