U - urease 中文

urease n.【化學】尿素酶。

uredinium
There were significant negative relationships among soil microbial carbon , microbial nitrogen , basal respiration , microbial metabolic quotient , urease activity , dehydrogenase activity , nitrification , nitrogen fixation and cadmium or lead concentration ( r0 . 01 = 0 . 765 , r0 . 05 = 0 . 632 ) . there was a close positive relationship between soil microbial biomass c : n ratios and cadmium or lead concentration ( r = 0 . 8920 ) 上述微生物活性指標與重金屬間的相關性分析表明，微生物生物量碳、基礎呼吸、微生物代謝商、脫氫酶活性與cd 、 pb的加入量呈極顯著負相關性，土壤微生物生物量c n比與cd 、 pb的加入量呈現極顯著正相關關系。
Due to their advantages of high selectivity , fast analytical speed , simple operation and low price of instrument , biosensors have been used widely in the fields such as clinical medicine , food industry , environment control , martial medicine , etc . urease biosensors have important applications in clinical medicine and determination of heavy - metal ions in water 由于生物傳感器具有選擇性好，分析速度快，操作簡易和儀器價格低廉等優點，在臨床醫學、食品工業、環境監測、軍事醫學等領域得到了廣泛的應用。脲酶生物傳感器在臨床醫學和對于水中重金屬離子含量的檢測方面具有重要的應用。
From the aspects of agricultural economic and environmental ecological effects , were the effects and mechanism of rare - earth micro - fertilizer to improve the growth , development , quality and yield of the crops ; the adjustment of crops growth by influencing the number of microbial population in soil district and the function of the soil dehydrase , alkaline phosphatase , urease and sucrase ; the ecophysiological effects of alleviating the injure of acid rain , ultraviolet radiation , heavy metal on crops were illustrated ; the sureness of bee ' s use in agricultural was provided , according to the rule of the distribution and enrichment of be in crops 摘要從農業經濟效應和環境生態效應二方面，論述了稀土肥料促進作物生長、發育，提高作物產量，改善作物品質的效應與機理；影響土壤區系中微生物種群數量和土壤脫氫酶、堿性磷酸酶、脲酶及蔗糖酶的功能，繼而反饋調節作物生長；緩解酸雨、紫外輻射和重金屬傷害作物的生態生理學效應；并以稀土在作物體內分布與富集規律為參考，探討了稀土農用的安全性。
The decrease of organic matter and the increase of alkali - hydrolyzable nitrogen of the hydrogen treatment were higher than the control , and urease activity , nitrogen fixation arnmonification had the same tendency , and amino acids had also changed . hi addition , comparing the control , ph of hydrogen treatment was increase and eh was decrease , and microbe mass was also too 與對照相比，氫處理培養有機質減少量小、堿解氮的增量高，脲酶活性、固氮能力、氨化作用都較強，并且不同種類的氨基酸也表現出各自相應的差異來。此外，土壤經氫處理后，土壤的ph上升， eh下降，土壤微生物生物量也呈減少趨勢。
Based on the principle of significant effect of soil fertility factors on forest growth , soil physical factors ( natural water content , bulk density , total porosity , capillary porosity , aggregate degree , coarse silt and physical clay ) , chemical factors ( om . total n , alkali - hytrolyzable n , total p , humus and ha / fa ) and biological factors ( urease , acidphosphotase , invertase and microbes ) were selected as evaluation index system of soil fertility . applying principal component analysis , soil ifi of subalpine coniferous forest was calculated 從土壤物理、化學、生物學三方面出發，建立了川西亞高山針葉林不同演替階段土壤肥力評價指標體系，應用主成分分析，計算出不同演替階段土壤肥力綜合指標值( ifi ) ，各演替階段大小順序為： 10年生云杉林地跡地原始林地次生樺木林地30年生云杉林地20年生云杉林地50年生云杉林地60年生云杉林地40年生云杉林地。
The number of 3 rhizosphere microorganisms ( bacteria , fungi , actinomycete ) and 5 enzyme ( catalase , protease , urease , phosphatase , invertase ) activities were studied during the whole life of corn plant in sandy loam , loam and clay soil textures . [ method ] using yedan22 , the number of 3 rhizosphere microorganisms and 5 enzyme activities with different textural soils were investigated in a pond 摘要目的明確不同質地土壤（砂壤、中壤、重壤）玉米生育期間根際微生物（細菌、放線菌、真菌）數量與酶（脲酶、蛋白酶、磷酸酶、轉化酶、過氧化氫酶）活性的變化。
Considering the advantages of lb films technology in making biosensor and present research status of urease biosensor , in this thesis , we have prepared urease / amphiphile mixed lb films and pure urease lb films , and transferred the films onto the surface of signal transducer by the lb films technology . the characteristics of the urease biosensors are investigated subsequently 鑒于lb膜技術在制作生物傳感器方面的優點以及脲酶生物傳感器的研究現狀，本論文制備并優化了脲酶兩親性化合物混合lb膜和純脲酶langmuir膜的成膜條件；并采用lb膜技術將其轉移到信號轉換器表面，研究了其脲酶生物傳感器的特性。
Soil microbial biomass carbon , microbial biomass nitrogen , soil basal respiration and metabolic quotient all showed a decreasing trend under more than 15 mg . kg - 1 cadmium or more than 200 mg . kg - 1 lead , respectively . soil dehydrogenase , urease and acid phosphotase activities have a significant decrease , and the activities of soil catalase and invertase taking sencond place , while soil protease activities showed stable state 隨重金屬濃度增加，各指標下降幅度各有差別，其中微生物生物量碳、微生物生物量氮以及基礎呼吸和微生物代謝商隨重金屬濃度增加而明顯下降；土壤脫氫酶、脲酶、酸性磷酸酶活性的下降幅度較為明顯，過氧化氫酶、蔗糖酶活性次之，蛋白酶活性較為穩定。
3 . experimental conditions for formation of pure urease langmuir films at the air / water interface and the stability of such films have been studied . the transfer ratios of the langmuir films onto the surface of hydrophilic and hydrophobic sicvsi substrates have been determined 研究了亞相中眠酶在空氣水界面形成純腺酶langmuir膜的適宜實驗條件和膜的穩定性；測定了純腺酶langmuir膜轉移到親水性和憎水性si0 si基片表面的轉移率。
In contrast , in control gerbils or gerbils were unsuccessfully challenged , neither h . pylori nor other urease - positive organisms could be cultured from the gastroduodenal mucosa , rut results were consistently negative , and no serum antibodies to h . pylori whole - cell sonicates were detected Pylori快速尿素酶檢測、血清學抗h pyloriigg抗體檢測和特異性pcr檢測，結果表明h pylori感染組動物以上各項指標均為陽性，表明已經感染h
The results showed that the correlations of organic matter , n , p with urease / protease were positively significant , the correlations between nutrient content and hydrogen peroxidase / peroxydase was insignificant , but the nutrient content and poiyphenol oxidase was found inversely correlated 結果表明：有機質、氮、磷與土壤脲酶、蛋白酶有一定的正相關，與過氧化氫酶、過氧化物酶有不明顯的正相關，與多酚氧化酶則呈負相關。
The results showed with the application of coated compound fertilizer , the activities of soil urease , neutra phosphatase , catalase and sucrase were better than compound fertilizer treatment because of the significantly controlled release effects of the coated compound fertilizer 結果表明，在試驗條件下，由于包膜復合肥對養分的顯著控釋效果，它的施用對土壤脲酶、中性磷酸酶、過氧化氫酶和蔗糖酶活性的影響要好于普通肥料處理。
4 forty - eight volunteers had two “ jumbo “ biopsies taken from the gastric antrum for examination with rapid urease test , improved giernsa stains and h & e in order to diagnose helicobacter pylori ( hp ) infection and evaluate inflammation of gastric mucosa 448例志愿者均行胃鏡檢查，取胃竇組織活檢，分別行快速尿素酶試驗、改良giemsa染色和病理he染色，以確定有無幽門螺桿菌( helicobacterpylori ， hp )感染和胃黏膜有無慢性炎癥。
Preparation of a new enzyme electrode for urea is reported , which is based on the ph glassy electrode modified with 2 - aminoethyltrimethoxysilane in advance , followed by the surface of the electrode being alternatitively crosslinked with glutaraldehyde and urease 摘要2 -氨基乙基三甲氧基矽烷在平板玻璃電極表面形成帶氨基尾聲端的單層，并與戊二醛和尿素酶交替交聯制成對尿素有電位響應的電極。
It is apparent that the value of controlled - release nitrogen and urease inhibitors is most evident in situations where rapid incorporation is impossible or undesirable due to time constraints or selection of residue and soil conserving tillage systems 在時間緊迫、有殘體覆蓋和采用保護性的土壤耕作制度下，肥料與土壤不可能迅速混合或混合不理想，此時施用控釋氮肥和脲酶抑制劑的效果最明顯。
The results obtained by the correlation , path and principal component analysis showed that soil urease and alkaline phosphatase activities could be as a comprehensive index of soil fertility , and their enzyme activities are affected by soil chemical properties and other enzymes 結果表明，土壤脲酶和?性磷酸酶活性可以作為土壤肥力的指標，且酶活性大小受到土壤化學性質和其它酶活性影響。
Gold nanoparticles were chemically adsorbed on the pvc - nh2 matrix membrane ph electrode surface containing n , n - didecylaminomethylbenzene ( damab ) as a neutral carrier and urease was then immobilized on the gold nanoparticles 首先將納米金組裝在含有中性載體damab的pvc - nh2膜表面,然后通過化學吸附作用將脲酶固定在納米金上制得脲酶電極并用于檢測汞離子。
Under the optimized condition : p = 20 mnm “ , curease = : 8 mgl “ , ph = 6 . 5 , t = 20 ? , stable pure urease langmuir films can be formed at the air / water interface , and it can be transferred successfully onto the hydrophobic surface of sioi / si substrate 5 ， t 20 ， w酶能夠在空氣水界面形成穩定的langmuir膜；可以將其成功地轉移到具有憎水性表面的sic 。
It has been proved that administration of oral urease b subunit antigens together with a mucosal adjuvant can not only induce a series of protective immune reaction but also sweep hp from stomach of infected mice 動物實驗表明，重組尿素酶b亞單位( rureb )輔以適當佐劑免疫動物后，不僅能夠產生有效的保護性免疫反應，而且可清除體內已感染的hp 。

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urease

urease n.【化學】尿素酶。

uredinium