urease activity
脲酶活性
2025-11-25 10:15 浏览次数 19
脲酶活性
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 % ,但差异不显着(p>0.05) ;
the second is ud treatment because the dcd could delay the peak period of urease activity, reduce urease activity in the early days and it also could inhibit the amount of aob significantly.
其次为ud处理,配施dcd能明显推迟脲酶活性高峰出现时间并降低前期活性,同时能显着抑制氨氧化菌生长。
in addition, from intermediate to final growth phase, there existed significantly positive relationship between the product of stem lump mustard and urease activity in soil.
茎瘤芥的产量与生长中后期土壤脲酶活性具有显着的正相关关系。
subsoiling returning could significantly increase soil urease activity and sucrase activity.
深松耕还田显着提高土壤脲酶、蔗糖酶活性。
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 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。
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着负相关。
notable positive correlation between urease activity and organic matter, alkali-hydrolyzable n, total p, slow-release k contents were achieved.
土壤脲酶活性与全氮、硝态氮含量之间呈极显着正相关,与有机质、堿解氮、全磷、缓效钾含量呈显着正相关。
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着的抑制作用,但是作用时间较短;
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沖量之间的关系为二元线性回归方程。
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。
urease activity was positively correlated to the removal rate of total nitrogen;
脲酶与总氮的去除率正相关;
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。
so, soil urease activity is one of the main bioactivity indexes of forest soil fertility level.
由此可见土壤脲酶活性是评价森林土壤肥力的一项重要的生物活性指标。
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。
the content of total n and available p had great effects on urease activity .
脲酶的影响因子主要是全氮和有效磷含量。
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。
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,廄肥处理细菌数与脲酶活性皆高。
the inhibiting effect of magnetic field on soil」s urease activity is related to soil moisture content.
研究发现,某些磁场强度在一定条件下对土壤的脲酶活性有增强或抑制作用。