酶的

Its optimum pH value is 8 0,the optimum temperature is 57℃ and it is stable to heat.

研究表明，其最适pH值为80，最适温度为57℃，热稳定性较好，金属离子Na+，K+，Mg2+等可提高此酶的活力，而Hg2+，Ca2+等对此酶有一定的抑制作用。

Immobilizing process of catalase on sodium periodate oxidized cotton fabric was carried out, optimum conditions were defined.

以高碘酸钠氧化棉织物为载体固定过氧化氢酶，研究其固定化的主要条件，考察了固定化酶的性质。

The feeding experiment was conducted by reducing the level of effective phosphonium and supplementing different levels of phytase in the basic diets of corn and soyabean.

以玉米、豆粕为基础日粮，通过降低饲料中有效磷水平，添加不同水平植酸酶的方法进行饲喂试验，确定植酸酶在雏期乌骨鸡饲料中的应用是否可行。

It was found that the polymorphous of the endoglucanases of the system was stepwise formed during the fermentation.

研究发现在该纤维素酶系中，内切酶的多型性是在菌种发酵过程中逐步形成的。

NAC4 mmol/L,CAT 80·U〓,NDMS 200μmol/L,and Quin 220μmol/Lcould down-regulate apoptosis as well as P53 expression variously induced by〓.

NAC和CAT不但本身可降低三种细胞的端粒酶活性，并可协同地促进〓对端粒酶的下调作用，而Quin2可抑制这种下调作用。

The development of genetically engineered chymosin has been encouraged by shortages and fluctuations in cost of rennet from calves.

发展基因工程凝乳酶深受鼓舞短缺和价格波动的凝乳酶的牛犊。

Production, purification and properties of xylanase from Rhizopus chinensis CCTCC M201021 were studied.

研究华根霉CCTCC M201021产木聚糖酶的条件，并进行了木聚糖酶的纯化和性质研究。

These results indicated that this enzyme might be a base-specific ribonuclease.

实验中未发现该酶有磷酸单酯酶的活性及降解DNA的活性。

The Cd inhibited the activity of nitrate reductase in strawberry leaves, but increased the activity of ribonuclease.

镉抑制草莓叶硝酸还原酶的活性，而使草莓叶中核糖核酸酶的活性升高。

It is suggested that to use soil catalase and saccharase activities to indecate the contamination situation by heavy metal in the soil of tea garden.

建议以过氧化氢酶和蔗糖酶的活性作为评价和预测锰矿恢复区茶园土壤锰镉污染状况的敏感指标。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。