The porphyrin moiety was modified on the commercial oligonucleotides through the active 1-hydroxybenzotriazole esters of the porphyrins.
利用卟啉的1-羟基苯并三氮唑活性酯可将卟啉基团直接修饰在商品化的寡核苷酸片断上。
Eastman CAB-531-1 is a more flexible resin requiring lower plasticizer modification than the Eastman CAB-381 esters.
伊士曼CAB- 531 - 1是一个更灵活的要求低于增塑剂修改伊士曼CAB - 381酯类树脂。
A total of 48 components in UCR were identified, including hydrocarbons (31 kinds), alcohols (6 kinds), aldehydes (4 kinds), ethers ( 1 kinds), esters (3 kinds) and other components (3 kinds).
实验鉴定出不浸泡米饭的风味成分共48种，其中烃类31种，醇类6种，醛类4种，醚类1种，酯类3种，其他3种；
Volatile components in oak chips were determined by GC-MS and 38 compounds were identified, including 13 ketones, 8 phenolic compounds, 6 esters, 5 aldehydes, 5 alcohols, 1 acid and 1 other component.
本文采用GC-MS测定了橡木中的挥发性香气成分，共鉴定出38种化合物，其中种类最多的是酮类化合物，有13种，其次是酚类8种，酯类6种，醛类和醇类各5种，酸类1种，其他组分1种。
This paper surveys preparation of XL-1 type acrylic resin for leather impregnation by emulsion polymerization of ethyl acrylate and other acrylic esters.
本文探讨了以丙烯酸乙酯为主要原料制备用于皮革填充的丙烯酸酯类共聚物的聚合方法及其应用条件。
The in vitro antitumor activity tests for 5-fluorouracil-1-yl-aceto amino acid esters were carried out by comparison of 5-FU and FT-207.
对 合成的化合物进行体外抗肿瘤活性测试，并与阳性药5-FU和前药FT-207进行对照。
The in vitro antitumor activity tests for 5-fluorouracil-1-yl-aceto amino acid esters were carried out by comparison of 5-FU and FT-207.
对 合成的化合物进行体外抗肿瘤活性测试，并与阳性药5-FU和前药FT-207进行对照。
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