1·Results are showed as follows. Ethanol is the best medium for the reaction of carboxyl methylation.
结果表明，乙醇是作为羧甲基化反应的合适介质。
2·Carboxyl methyl starch sodium (CMS) is extensive applied in many fields of industrial production with its unique performance and hig her economic benefits as a kind of important chemical auxiliary.
羧甲基淀粉钠(CMS)作为一种重要的化工助剂以其独特的性能和较高的经济效益在工业生产的各个领域有着广泛的应用。
3·The dye has introduced carboxyl benzyl radical and thus improved light stability, enhanced fluorescent performance and lowered production cost.
该类染料由于羧苄基的引入，增加了光稳定性，提高了荧光性能，降低生产成本。
1·Any of various natural or synthetic compounds containing two or more amino acids linked by the carboxyl group of one amino acid and the amino group of another.
肽一种自然或人工的合成物，包括二个或二个以上氨基酸，通过一个氨基酸的酸基和另一个的羧基结合而成。
2·Chemical modification studies showed that the sulfhydryl, guanido, amino, carboxyl and indolyl groups may participate in the active center of the enzyme.
化学修饰实验发现：巯基、胍基、氨基、羧基和吲哚基可能参与酶活性中心的组成。
3·A model analytical chip was prepared by coupling 4 phage antibody clones from mouse and 1 clone from human to the surface of carboxyl terminated silicon.
将4个鼠源噬菌体抗体克隆和1个人源噬菌体抗体克隆偶联到羧基终止的硅片表面，制成分析型模型芯片。
4·The grafting mass percent of connect black is more than of furnace black because of difference in carboxyl group content.
由于表面羧基含量的差异，接触法炭黑可以获得比炉法炭黑更高的接枝率。
5·Determine carboxyl content with Fourier infrared spectrum instrument.
用傅立叶红外光谱仪测定羧基含量。