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- Tannase hydrolyses the ester bonds and depside bonds in gallic acid tannins to release gallic acid and glucose. 摘要单宁酶可水解没食子酸单宁中的酯键和缩酚羧键,生成没食子酸和葡萄糖。
- Phospholipase A2(PLA2)is a family of enzymes which catalyzes the hydrolysis of the special ester bond of phospholipids. 磷脂酶A2是一大类能催化水解磷脂特定酯键的酶,与哺乳动物神经系统存在密切的关系。
- PME,which is belong to saponifcational enzyme,can randomly hydrolyze the methyl ester bond of pectin. 果胶酯酶(PME)或称果胶甲基酯酶,它是果胶酶系的一种,能从果胶中脱去甲氧基,生成果胶酸,属于皂化酶。
- PHB deplymerase produced by DS9701 mainly attacked the second ester bond of PHB and the degraded product was dimmer, determined by using mass spectrometer. DS9701菌株所产生的PHB解聚酶主要降解PHB的第二个酯键;降解产物为二聚体.
- In extracellular matrix, this kind of ester bond can be transferred from chondroitin sulfate chain to hyaluronan.Thus the extracellular matrix and cell functions were regulated. 在细胞外间质中, 这种酯键可以转移到透明质酸糖链上, 进而调控细胞外间质的大小和细胞的性质。
- The hydrolysis of ester bonds produced the corresponding carboxylic and phosphatic acid.The acidic groups provide the negative charge that could immobilize cyt c by the electrostatic attraction. 酯类官能基化的中孔洞材料可以进一步的经由水解得到酸基,由于酸性官能基在中性条件下提供充分的负电荷,带正电荷的酵素可以经由静电引力被固定化于中孔洞材料中。
- N,N-Dihydroxyethyl-acetoacetamide,the raw material of the borate ester bonding agent,was synthesized from methyl acetoacetate and diethanolamine. 二乙醇胺与乙酰乙酸甲酯反应合成了硼酸酯键合剂原料N,N-二羟乙基乙酰乙酰胺。
- Laccase treatments resulted in the degradation of most of the extractives while the lipase specifically hydrolyzed the ester bonded extractives in the colloidal fractio... 漆酶处理能降解浆水中大部分的抽出物,而脂肪酶处理主要是水解胶体物中的酯键抽出物。
- biquaternaryammonium salt surfactant with ester bond 酯基Gemini型表面活性剂
- gemini quaternary ammonium salt contained ester bond 酯基双子季铵盐
- Roger paid the bill by cashing in some bonds. 罗杰卖掉一些债券来付账。
- You need a strong adhesive to bond wood to metal. 需要强力胶才能把木料粘在金属上。
- How much interest will the bonds bear? 这些公债会生多少的利息呢?
- The four and a half per cent bonds are in request. 利息四厘五的债券需求量大。
- This glue makes a good firm bond. 这种胶水粘得很结实。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- Common tastes form a bond between the two men. 共同的爱好使两人结交为朋友。
- It takes courage to break the bonds of convention. 打破传统的束缚需要勇气。
- Research Progress of Borate Ester Bonding Agents 硼酸酯类键合剂研究进展
- He put bonds in pledge for a loan. 他将债券作抵押以取得贷款。