The interfacial activity and the capacity to dissolve pyruvic acid in base oil of succinimides and interactions between succinimides and ZDDP were investigated.
研究了丁二酰亚胺的界面活性、对丙酮酸的增溶性能及与ZDDP复合体系的相互作用。
Pyruvic acid, grain alcohol as material, cation exchange resin as catalyst, the ethyl pyruvate was synthesized.
论述了以丙酮酸、乙醇为原料，离子交换树脂作催化剂，催化合成丙酮酸乙酯的新工艺。
The text take about ethyl pyruvate was synthesized by adding to a suitable catalyst with pyruvic acid and absolute ethanol.
叙述了以丙酮酸与无水乙醇为原料，在催化剂存在下，反应合成丙酮酸乙酯的过程。
The carrier is the plant expressing carrier containing the separating offset acid composing enzyme gene and the separating offset acid-the pyruvic splitting dividing enzyme gene.
该载体是含有异 分支酸合成酶基因和异分支酸-丙酮酸裂解酶基因的植物表达载体。
The kit comprises the following main components: buffer solution, coenzyme, pyruvic acid, ammonia chloride, pyruvate oxidase, glycine oxidase, alanine dehydrogenase and a stabilizer.
本发明的试剂盒主要成分包括：缓冲液、辅酶、丙酮酸、氯化氨、丙酮酸氧化酶、甘氨酸氧化酶、丙氨酸脱氢酶及稳定剂；
The kit comprises the following main components: buffer solution, reduced coenzyme, pyruvic acid, adenosine triphosphate, pyruvate oxidase, pyruvate carboxylase, malic dehydrogenase and a stabilizer.
本发明的试剂 盒主要成分包括：缓冲液、还原型辅酶、丙酮酸、腺苷三磷酸、丙酮酸氧化酶、 丙酮酸羧化酶、苹果酸脱氢酶及稳定剂；
The content of the pyruvic acid: the impaired group is different with all the other groups.
丙酮酸含量噪声损伤组与其它组均有差异；
The content of the pyruvic acid: the impaired group is different with all the other groups.
丙酮酸含量噪声损伤组与其它组均有差异；
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