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- Some novel copolyethers containing azo benzene chromophors as side chains have been synthesized by a nucleophilic reaction of various azo dyes with polyepichlorohydrin. 研究了由對硝基苯基偶氮苯類(lèi)染料與聚環(huán)氧氯丙烷經(jīng)大分子反應合成的含偶氮苯側基的共聚醚的二階非線(xiàn)性光學(xué)特性。
- The reaction was studied about synthesis of the title compound from p amino benzenesulfonic acid as raw material through acetylation, nitration and hydrolyzation. 以對氨基苯磺酸為起始原料,經(jīng)過(guò)乙?；?、硝化、水解三步來(lái)制備標題物。
- Keywords azo benzene chromophore;polyethers;liquid crystalline polymers;smectic thermotropic liquid crystal; 偶氮苯生色團;聚醚;液晶聚合物;近晶型熱致液晶;
- benzene azo benzenen. 苯偶氮苯
- I mind my p's and q's whenever I see him. 每當我見(jiàn)到他我都謹慎行事。
- In English, b, p, m and w are bilabials. 英語(yǔ)中的b、p、m、w為雙唇音。
- AB and CD intersect at (the point) P. AB線(xiàn)和CD線(xiàn)在P點(diǎn)相交。
- The time now is 10:00 p, m, sharp. 現在的時(shí)間是晚上10點(diǎn)整。
- The mutant DNA miscoded a single amino acid. 突變體脫氧核糖核酸誤編了一個(gè)氨基酸密碼。
- This chemical is an amino acid called L-theanine. 這種化學(xué)物質(zhì)是一種叫做L-茶氨酸的氨基酸。
- The nonessential amino acids were markedly reduced. 非必須氨基酸明顯減少。
- The "d" in "grandpa" has been lost by assimilation to "p". "grandpa"中的"d"因受"p"的同化而不發(fā)音。
- An amino - acid derivative of galactose. 半乳糖胺半乳糖的一種氨基酸衍生物
- Protein is first broken down into amino acids . 蛋白質(zhì)首先分解成氨基酸。
- Amino acids are the building blocks of proteins. 胺基酸是蛋白質(zhì)的基本成分
- Preparation of amino acid-sorbitol infusion. 氨基酸-山梨醇輸液的研制。
- Changzhou Huatai Amino Acids Group Co., Ltd. 常州華泰氨基酸集團有限公司。
- Half of the amino groups are ionized. 一半的氨基被解離。
- The light now shining on P is called incident ray. 射到P點(diǎn)的光叫做入射光線(xiàn)。
- Are Intravenous Amino Acid Solutions Unbalanced? 靜脈氨基酸營(yíng)養液是否不平衡?
