urease

In the Loess area, the catalase, urease, phosphatase and saccharase activities in rhizosphere soil of 6 years old walnut decreased with the depth of spatial profile, indicated that the soil enzymes activities may be related with the root secretion.

渭北黄土区6年生核桃根际土壤的过氧化氢酶、脲酶、磷酸酶和蔗糖酶活性的空间变化随着土层剖面的加深而活性降低，说明土壤中各种酶的活性可能和核桃根系的分泌物有关。

Development of a Time-Temperature Indicator Reaction System Based on Urease

应用脲酶开发货架寿命指示体系的研究

Activities of urease increased in the first two weeks and then decreased to the original state. 5.

土壤脲酶活性在前两周呈不断提高，随后下降到初始水平。

In chapter 3, a renewable potentiometric urease inhibition biosensor based on self-assembled gold nanoparticles has been developed for the determination of mercury ions.

在第3章中，提出了一种基于自组装纳米金的可更新的抑制型汞离子传感器，其基础电极为胺化-聚氯乙烯（PVC-NH2）膜pH电极。

The activity of urease is sensitive to bronopol.

尿素酶的活性对溴硝醇比较敏感.

The effects of ecological improvement on soil were expressed as follows: saccharase neutral phosphatase urease catalase.

生态改良对土壤中四种酶活性的影响大小依次为：蔗糖酶脲酶中性磷酸酶过氧化氢酶。

Histologically, the degree of gastric mucosal neutrophil infiltration in children with urease B antibodies were more severe than that in those who were negative for the antibodies ( P 0.05).

尿素酶B抗体阳性者胃粘膜中性粒细胞浸润比阴性者多见，差异有显著性。

The uncertainty of the determination of urease activity in cereal and feedstuff was evaluated.

对粮食、饲料中尿素酶活性测量结果的不确定度进行了评定.

The relationship between excess thermodynamic function and binding to urease of four chloroacetanilide herbicides was studied using high-performance liquid chromatography and fluorescence spectrum.

运用高效液相色谱法和荧光光谱法研究了四种酰胺类除草剂的热力学函数以及与脲酶的作用。

Soil enzyme including phosphatase, urease, proteinase, catalase were analysed.

土壤酶主要测定了磷酸酶 、 酶 、 白酶 、 氧化氢酶活性的变化.

Moderately halophilic bacteria that imposed on the A6 in soil urease activity were not obvious.

说明施加A6中度嗜盐菌对土壤中脲酶活性影响不明显。

The activities of both urease and catalase are sensitive to bronopol.

土壤脲酶和过氧化氢酶都对溴硝醇比较敏感.

Cell density cultivation and high level expression of recombinant urease A fusion protein in Helicobacter pylori.

目的高密度培养重组细菌和高效表达重组幽门螺杆菌尿素酶A融合蛋白.

Conclusion V. Parahaemolyticus with positive and negative urease have stronger pathogenicity.

结论脲酶阴性与阳性副溶血性弧菌均有较强的致病性.

Identification of the H-2~ d restricted T_H epitopes of urease B subunit of Helicobacter pylori

幽门螺杆菌尿素酶B亚单位H-2~d限制性T H表位的预测与鉴定

Application of PCR for the rapid diagnosis of Helicobacter Pylori infection by amplification of urease B gene

PCR法扩增脲酶B基因在快速诊断幽门螺杆菌感染中的应用研究

By simulating methods, the effect of ethanol on soil urease activity was studied systematically.

通过模拟方法, 较系统地研究了乙醇对土壤脲酶活性的影响.

The activities of soil urease fluctuated with soil depth in both top and middle slope positions, but increased in the pattern of solar slope> lunar slope> fallow land at the slope bottom.

在坡顶和坡中部土壤剖面脲酶活性波动较大，在坡底为阳坡>阴坡>撂荒地。

In autumn, soil actinomycetes was more closely related to soil insect community, and soil urease, soil total nitrogen were the key interaction factors of them.

秋季，土壤放线菌与土壤昆虫群落的联系更为密切，土壤脲酶、全氮是实现其相关性的关键因子。

Methods: Urease test and PCR were used.

方法: 采用脲酶实验及PCR方法检测幽门螺杆菌.

The results indicates that the TI still remains activity when urease full deactivate.

结果表明,在脲酶完全失活条件下,胰蛋白酶抑制素仍残留一定活性.

After fertilization of corn straw for 2 months, Soil saccharase, urease and catalase activities enhanced with the dosage increased, but changed a little when the usage beyond 1.2%.

4个月后，玉米秸用量为1.2%的处理土壤脲酶、蔗糖酶、过氧化氢酶活性最高。施用麦秸的处理土壤脲酶、蔗糖酶、过氧化氢酶活性均随用量增加而升高。

Similarily, the soil hydrogen peroxidase, urease and phosphatase activities were increased obviously.

显著增强土壤过氧化氢酶 、 酶和磷酸酶活性.

Twenty eight patients with RAU, whose Hp was positive in the 14 C UBT, 20 were Hp positive detected by the oral mucosa biopsy and urease technique.

对14C UBT检测Hp阳性的28例RAU患者，经口腔粘膜活检，用尿素酶方法检测，Hp阳性者为20例。

Study on Preparations and Immunization Routes of Recombinant Urease B Subunit Vaccine of Hp

重组幽门螺杆菌尿素酶B亚单位疫苗（rHp）剂型及免疫途径的实验研究

There was little effect on soil urease and catalase activity for different peat levels.

但增施草炭对土壤中脲酶和过氧化氢酶影响较小.

Specifically, It'showed the different testing methods and their results of the fat and urease.

重点研究了脂肪和尿素酶活性的不同测定方法的检测效果.

The activity of Soil urease, acidphosphotase and invertase weakened with increase of soil depth.

各林地土壤脲酶、酸酶和转化酶随着土壤剖面的加深,其活性减弱.

Effects on the activities of urease and catalase from bronopol were studied.

研究了溴硝醇农药施入土壤后,土壤中脲酶和过氧化氢酶活性的变化情况.

This paper studies the extracellular products of Vibrio fluvialis ⅱ, the results show that the extracellular products include amylase, gelatinase, lipase, casease, haemolysin, but don't contain lecithinase and urease.

利用杯碟法研究了河流弧菌Ⅱ的胞外产物.结果表明：河流弧菌Ⅱ含有淀粉酶、明胶酶、脂肪酶、酪蛋白酶、溶血因子，不含卵磷脂酶、脲酶.由于淀粉酶有分解糖原的作用；