英文: As expected from the reaction mechanism, the carboxyl
groups of aspartic and glutamic acid residues were not modified, while the amino groups that could react with the activated peptides were concomitantly protected by formylation.
中文: 如反应机理所预测的那样，天门冬氨酸和谷氨酸残基未被修饰，而能与活性肽反应的氨基则同时被甲酰化保护起来。 更详细...
英文: Determination of end carboxyl
content in PET chip using photometric method was discussed, the optimiza tion of measuring condition and parameters such as sample weight,concentration of titrant, blank of solvent were stud ied.
英文: In the procedure, carbon nanotubes were oxidized by nitric acid and then neutralized with NaOH to create carboxyl
surface groups which were used to adsorb Ni(superscript 2+) ions, thereafter the adsorbed Ni(superscript 2+) ions were chemically reduced int
英文: Sailuluo, carboxyl
methyl cellulose that, nylon series products Lu:yisuan, surface active agent, bringing alternative amides size, polyimide, plastics processing. Mode of operation : manufacturing.
中文: 赛璐珞，羧甲基纤维素纳，尼龙系列产品，氯乙酸，表面活性剂，聚砜酰胺浆液，聚酰亚胺，塑料加工。经营方式：制造。 更详细...
英文: The amount of catalyst can be reduced by selecting nice solvability catalyst, cutting down the remnant carboxyl
amount of esterification and elevating polycondensation temperature.