查询词典 urease

Four 20kg six-month old goats with permanent remen cannula were used to study the effect of three kinds of urease inhibitors acetohydroxamic acid, hydroquinone, yucca extract on nitrogen metabolism, nutrient degradability in rumen and nutrient digestibility.

本研究由4个试验组成，选用安装永久瘘管的6月龄山羊4只，采用4×4拉丁方试验设计，分别饲喂对照组饲粮、乙酰氧肟酸25mg／kg饲粮、丝兰皂甙36mg／kg饲粮、对苯二酚40mg／kg饲粮。

The activity of protease and urease in rhizosphere was higher than those in non-rhizosphere.

而对土壤蛋白酶和脲酶活性的研究发现根际酶活性明显高于非根际酶活性。

The activities of catalase, polyhenol oxidase, urease, protease, saccharase of grafted eggplants were higher than those of the control, but the activities of peroxidase and phosphatase were obverse.

嫁接茄子的过氧化氢酶、多酚氧化酶、脉酶、蛋白酶、蔗糖酶的活性均高于自根茄子，但过氧化物酶和磷酸酶的活性自根茄子高于嫁接茄子。

Microphylla plantations are obvious, such effects and the contents of soil organic matter, N, P and K are gradually increased with the growth of C. microphylla plantations. Moreover, the activities of phosphomonoesterase, saccharase, protease, urease, dehydrogenase, polyphenol oxidase and nitrate reductase and the contents of edaphon C, N and P are significantly increased at soil depth of 0~30 cm, especially at soil depth of 0~10 cm.

随着小叶锦鸡儿固沙群落发育时间的增长，其综合防风性能提高，土壤有机质、N，P，K含量和生物活性逐渐得到改善。0~30 cm土层中磷酸单酯酶、蛋白酶、脲酶、蔗糖酶、硝酸还原酶、多酚氧化酶、脱氢酶的活性和土壤微生物生物量C，N和P含量均大幅度提高，其中0~10 cm土层增幅最大。

The purpose of this study is to reveal the change characteristics of biological properties of sandy soil and its development trend under the establishment of C. microphylla plantations in flowing sand dune. With semi-moving sand dune and natural community as controls, the activities of phosphomonoesterase, saccharase, protease, urease, dehydrogenase and the Contents of microbial biomass C, N, P of the soil in an age sequence (5-, 10-, 22-year) of C.

为探讨采用小叶锦鸡儿固定流沙后，土壤生物活性的变化特点和发展趋势，选取5、10、22年生小叶锦鸡儿人工固沙群落为对象，以半流动沙丘和天然群落为对照，研究了人工固沙群落发育过程中土壤磷酸单酯酶、蔗糖酶、蛋白酶、脲酶、脱氢酶的活性和微生物生物量C、N、P质量分数的变化特征。

A negative synergistic inhibition effect exhibited for saccharase activity when Mn(superscript 2+)-Cd(superscript 2+) co-existed, however, an antagonistic effect displayed for catalase and urease activities to different degrees.

其中，锰镉复合污染对蔗糖酶表现出协同抑制负效应的特征，对过氧化氢酶和脲酶则表现出不同程度的拮抗作用。

Otherwise, the application of chemical fertilizers enhance the activities of saccharase and phosphatase, as while, to enhance its root vigors in the appalication of organic and conventional fertilizer. The activities of urease was the highest at the treatment with 72000 kg/hm2 mature of human (296.8 mgNH3-N/g DW), the activities of proteinase was the highest at the treatment with 36000 kg/hm2 mature of duck (5.15 mg NH2-N/g DW), the activities of cellulase was the highest at the treatment with 36000 kg/hm2 pig mature (0.869 mg glucose/g DW), the activities of saccharase and phosphatase were both the highest at the treatment with 1980 kg urea, 3600 kg/hm2 Ca3(PO4) and 1305 kg/hm2 K2SO4, having the value of 13.10 mgglucose/g DW and 44.46 mg P2O5/100g DW respectively.

土壤脲酶活性以施用72000 kg/hm2人粪尿的处理最高（296.8 mgNH3-N/g DW），蛋白酶以施用鸭粪36000 kg/hm2的处理最高（5.15 mg NH2-N/g DW），纤维素酶以猪粪36000 kg/hm2的处理最高（0.869 mg葡萄糖/g DW），蔗糖酶、磷酸酶活性均以施用1320 kg/hm2尿素、2400 kg/hm2 Ca3(PO4)和870 kg/hm2K2SO4的处理最高，分别达到13.10 mg葡萄糖/g DW和44.46 mg P2O5/100g DW。

Urease, incerfase and saccharose enzyme are higher in August. Polyphenol oxidation enzyme is higher in May. Protease activity is higher in March and August.

脲酶、过氧化氢酶、蔗糖酶活性在8月最高，多酚氧化酶活性在5月最高，蛋白酶活性在3月、8月较高。

Soil urease, incerfase, saccharose enzyme and protease activity are the lowest in heavy grazing, while polyphenol oxidation enzyme is the lowest in control area.

土壤脲酶、过氧化氢酶、蔗糖酶、蛋白酶活性在重牧区最低，多酚氧化酶活性在对照区最低。

The method applied is in accordance with that of the PRC National Standard for the determination of urease activity in soya bean products.

参考了中华人民共和国国家标准大豆制品中尿素酶活性测定方法，进行了正丁基硫代磷酰三胺活性的测定。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。