The results show that the soil's urease activity is strongly affected by magnetic field of certain intensities.
本文主要研究了不同磁场强度对风干土和湿土脲酶活性的影响。
Urease activity falls with the soil depth.
脲酶活性随土壤深度加深而降低。
The localization of the activity of immobilized urease on chitosan membrane was studied by X-ray microanalysis.
利用X射线微区分析方法，对壳聚糖固定化脲酶活性进行了定位分析。
The activity of urease is sensitive to bronopol.
尿素酶的活性对溴硝醇比较敏感。
Urease activity affected not only by single heavy metal, but also by the interaction between Hg and Cd, the effect is still mainly done by single heavy metal.
在复合污染条件下，脲酶活性不仅受到单因素影响，而且存在汞、镉间弱的拮抗作用，但仍以单独效应为主。
Variations of peroxidase, sucrose invertase and urease activity in soil from Eucalyptus coppice forest, Eucalyptus newly planted forest, shrub grassland and masson pine forest have been investigated.
研究了桉树萌生林、桉树植苗林、灌草丛和马尾松林地土壤中过氧化氢酶、蔗糖转化酶及脲酶的活性变化。
The equation among Lou soil and Heilu soil urease activity and time and their buffering values is quadratic linear regression equation.
土娄土、黑垆土脲酶活性与时间及土壤缓冲量之间的关系为二元线性回归方程。
Soil fungi number and urease activity were negative correlation with soil available potassium content.
土壤真菌数量、脲酶活性与有效钾含量呈负相关。
Under the same parent material condition, urease activity was significantly correlated with forming time and maturity of soil.
在母质相同的情况下，脲酶活性高低又与成土时间的长短和土壤熟化程度呈正相关。
Compared with normal one, expanding one had lower 56.25% and 28.57% urease activity for suckled and weaned piglets(P>0.05), but the difference was not significant.
乳仔猪两料中的脲酶活性，膨化颗粒料比普通料分别降低56.25 %和28.57 % ，但差异不显著（P>0.05） ；
Urease and invertase activities were higher after harvest than before sowing, however acid phosphatase activity was lower after harvest.
玉米收获后，土壤转化酶、脲酶均高于播前或与播前相当，而酸性磷酸酶活性则低于播前。
Factors affecting the activity of urease in PPy film were studied and activation energy of the ferment was determined.
研究了聚合条件对酶活性的影响，并测定了掺杂于聚吡咯中的脲酶的活化能等动力学参数。
The results showed that the effect of lime-nitrogen on the inhibition of nitrification is obvious, and it inhibited urease activity and decreased the hydrolytic rate of urea.
结果表明，石灰氮对硝化作用有明显的抑制效应，并能抑制脲酶活性，延缓尿素水解。
When soil water content was higher(13—19%), thebacterial numbers and urease activity in stable manure treatment was also higher.
当土壤含水量较高（13—19%）时，厩肥处理细菌数与脲酶活性皆高。
Moreover, PI increased the activities of urease, phosphatase and sucrase, but decreased the catalase activity in its rhizosphere.
此外，化感水稻PI根系分泌物对脲酶、磷酸酶、蔗糖酶的活性具有促进作用，而对过氧化氢酶则呈抑制作用。
With same application rate of chemical fertilizer, application of organic fertilizer could increase urease and invertase activities, but decrease acid phosphatase activity.
在同样化肥水平上增施有机肥能增加脲酶、转化酶活性，而降低酸性磷酸酶活性；
TU inhibited urease activity and urea hydrolysis effectively in a short time.
硫脲对脲酶活性和尿素水解均有显著的抑制作用，但是作用时间较短；
Light grazing significantly increased proteinase activity, but slightly decreased urease activity.
轻度放牧显著或极显著增加了蛋白酶活性，脲酶活性略降低。
The activity of urease and catalase also increase accordingly.
脲酶和过氧化氢酶活性依次增强。
The SAPs have some form of influence on soil urease activity, which correlates with soil nitrogen transformation.
此外，保水剂对土壤脲酶活性有一定影响，其变化与氮素转化有关；
The influence of extrusion on activity of soybean urease was studied under different temperatures, different steam amounts and different pressure ring diameters.
研究在不同温度、不同蒸汽添加量以及不同的压力环直径条件下，挤压膨化对大豆中脲酶活性的影响。
The experiment results showed as follows: The activity of urease and sucrase were inhibited and the activity of phosphatase was advanced as applying nitrogenous fertilizer.
结果表明，天然草地土壤施氮肥后，脲酶与蔗糖酶活性受到抑制，而磷酸酶活性受到促进；
Soil urease activity of rhizosphere is higher than that of non-rhizosphere;
根际土壤脲酶活性高于近根际土壤；
Subsoiling returning could significantly increase soil urease activity and sucrase activity.
深松耕还田显著提高土壤脲酶、蔗糖酶活性。
Correlation analysis indicated that there were significantly negative correlations between soil biomass carbon and urease activity with available lead content in the soil.
土壤有效铅与土壤微生物生物量碳及土壤脲酶呈显著负相关。
Comparative studies show that the immobilized urease on PVA gel has a higher activity yield (79%).
结果表明，PV A凝胶固定化脲酶具有较高的活力收率(79%)。
The product exhibited potent anti-urease activity and anti-inflammatory activity in the biological function.
生物活性研究表明，该化合物同时具有抗脲酶活性和抗炎活性。
Path analysis indicated that total saponins of rhizome mainly affected by alkaline nitrogen in soil rhizosphere, secondly by soil organic matter and soil urease activity.
通径分析结果表明，滇重楼总皂苷含量主要受其根际土壤碱解氮的影响，其次为土壤有机质和脲酶活性。
Totally, soil catalase and polyphenol oxidase activity increased, while soil urease activity declined in deeper soil, the extent were different among temperatures and litter types.
随着土壤深度增加，土壤过氧化氢酶和多酚氧化酶活性增大，而脲酶活性降低。
Totally, soil catalase and polyphenol oxidase activity increased, while soil urease activity declined in deeper soil, the extent were different among temperatures and litter types.
随着土壤深度增加，土壤过氧化氢酶和多酚氧化酶活性增大，而脲酶活性降低。
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