查询词典 urease

Results:Sixteen were HP positive by rapid urease test,twenty were HP positive by histology,among 35 cases of varioliform gastritis.

痘疹性胃炎不是淋巴细胞性胃炎的表现，它可能与HP感染或机体对某些物质过敏有关

Drought stress changed the correlation of NH4+-N and NO3——N with protease,urease activity,ammonifying bacteria and nitrifying bacteria.

干旱胁迫改变了玉米根际NH4+-N和NO3--N与蛋白酶、脲酶、氨化细菌和硝化细菌的相关性。

Straw returned to field played a positive role in increasing soil insect communities with the largest contribution, primarily the amounts of individuals and dominant species of macro and meso/micro soil animal, especially Neanuridae and Isotomidae animals individual amounts increased by nearly 10 times.(3) Soil nutrien had a positive correlation with soil bacteria, azotobacter, ammonifying bacteria, cellulose decomposing bacteria and denitrifying bacteria. Straw returned to field could stimulate effective microorganisms growth and population quantity in the soil. The increase of microbe community amount is 15%~44% more than that of CK.(4) Soil nutrien had a positive correlation with soil phosphatase, urease and sucrase activities, and a negative correlation with catalase.

研究发现：(1)长期配施秸秆能提高土壤速效氮、磷、钾含量，平均分别提高15%、48%和22%；(2)配施秸秆对土壤昆虫群落呈正向作用且贡献最大，主要增加了大型、中小型农田土壤动物的个体总数和优势类群数量，尤其是疣跳科和等节跳科动物个体数量增加近10倍；(3)土壤养分与土壤细菌、固氮菌、氨化细菌、纤维分解菌和反硝化细菌呈正相关，秸秆还田激发土壤有益微生物的生长和类群数量，使土壤微生物类群数量比对照增加15%~44%；(4)土壤养分与土壤磷酸酶、脲酶、蔗糖酶活性呈正相关，与过氧化氢酶呈负相关，秸秆还田增强土壤蔗糖酶、磷酸酶和脲酶活性，特别是脲酶和蔗糖酶活性平均提高26.5%。

The characteristics, the working mechanisms on urease and nitrating inhibition as well as ammonia stability, technological keys, fertilizer product quality, and agricultural effect of compound fertilizer based on humic acid are discussed for the increase in fertilizer efficiency, improvement of agricultural product and raise of crop yield.

阐述腐植酸复混肥的性能，作用机理(脲酶抑制和硝化抑制机理及氨稳定机理)，生产技术要点，产品质量，农用效果(提高肥料利用率，改善农产品品质，提高作物产量)。

There were significant positive correlations between azotobacteria, nitrifying bacteria and urease activity in grafted eggplants.

嫁接茄的固氮菌、硝化细菌和脲酶与其叶片硝酸还原酶活性均呈显著或极显著正相关。

It has a promoting or inhibitory effect on the activity of soil enzymes at the early stage of application but assuaged or disappeared with time. Therefore, hydroquinone used as an urease inhibitor will not induce the pollution of environment and the poising of food chain.

但因其属于含有苯环的酚类物质，人们对其作为腺酶抑制剂在农业中应用的安全性十分关心，因为在我国和别的国家，均有过一些在短时期内不曾危害人类健康和生态

With the increasing concentration of autotoxins, the soil enzyme activities also increased at first and the decreased except urease that increased all along.

除了脲酶活性是一直增大，其他酶活性基本表现为先增大后降低的规律。

The chelators were added to the soil of potted rape. pH value, soil urease, catalase activity and soil respiration intensity were determined.

方法］在盆栽油菜的土壤中添加螯合剂，测定土壤pH值、土壤脲酶、过氧化氢酶活性以及土壤呼吸强度。

The main virulence factors are CPS, LPS, OMP, TBP, adhesion factors, Apx, Urease and so on. A. pleuropneumoniae produces proteinaceous cytotoxins that is the main virulence factors, ApxⅠ, ApxⅡ, ApxⅢand ApxⅣ. ApxⅡis expressed by all serotypes of A.

Apx毒素是APP最主要的毒力因子，现证明不同血清型的菌株可产生4种Apx，ApxⅡ除血清型10和14以外，其它血清型都分泌；任何血清型都能在体内分泌毒素蛋白ApxⅣ，但体外培养的细菌却不能分泌该毒素。

The soil microorganisms quantities, microbial diversity index, microbial biomass carbon and the cellulose decomposition strength significantly reduced with increasing of heavy metal concentration, but the soil basal respiration rate were positively enhanced. The soil urease, alkaline phosphatase and polyphenol oxidase in the lead zinc mining area were sensitive. The invertase and catalase were not obvious inhibited to the heavy metals.

该矿区土壤微生物区系组成和微生物活性显著不同于临近非矿区土壤，随着重金属含量的增加，土壤微生物数量、微生物多样性指数、微生物生物量碳以及纤维素分解强度均显著降低，但土壤基础呼吸却明显升高；土壤脲酶、碱性磷酸酶、多酚氧化酶对铅锌矿较为敏感，而蔗糖酶和过氧化氢酶受到的抑制作用不明显。

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。