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1, However, a variety of urease producing bacteria are present in the mouth and swallowed in the saliva.

2, The activity of urease is sensitive to bronopol.

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

4, Methods: Urease test and PCR were used.

5, The influence on soil of urease, sucrase, catalase activity, EC value, rapidly available phosphorus was also studied.

6, Acid urease of Alcaligenes faecalis was immobilized onto the gelatin crosslinked with glutaraldehyde.

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

8, Moreover, PI increased the activities of urease, phosphatase and sucrase, but decreased the catalase activity in its rhizosphere.

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

10, Extrat of sword bean powder as urease catalyzes hydrolysis of urea into ammonia, then ammonia is determinated by salicylate spectrophotometry.

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

12, 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.

13, The activities of sucrase, urease, catalase, cellulolytic enzyme and polyphenol oxidase of the former three treatments were all significantly higher than in the cleaning tillage.

14, The binding of metolachlor and S Isomer to urease in aqueous solution was studied using UV difference spectrum and fluorescence spectrum.

15, The activities of urease, protease,(http://sentencedict.com/urease.html) cellulase and catalase were not significantly affected by continuous tobacco cropping.

16, The activities of soil dehydrogenase, alkaline phosphatase, urease and sucrase decreased with the time of incubation.

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

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

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

20, Methods : Urease N - trimethyl chitosan chloride submicrospheres were prepared by ionic crosslinking.

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

22, Subsoiling returning could significantly increase soil urease activity and sucrase activity.

23, Seven of the parents were positive for H pylori on urease testing, histology, and on culture.

24, Endoscopic gastric antral biopsy specimens were also obtained for urease activity, culture, and histology.

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

26, Compared with the pure stand, the mixed stands can strengthen the activity of sucrase and urease, of which the effect of the mixed stand by single tree is the most significant.

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

28, This paper deals with the influences of herbicide mefenacet on soil respiration and the activities of dehydrogenase, catalase , urease, proteinase and phosphorylase in paddy soil.

29, The influence of the compound fertilizer which is made of the ammonification of ammonia sulfite pulp black liquid on the soil urease activity.

30, Diclazuril, Cyromazine, Ethoxy Quinoline, Closantel Sodium, Ractopamine, Oregano Oil, Garlicin, Urease Inhibitor etc. raw material and 100 various products such as preparation.