重氮化作用 的英文怎麼說
中文拼音 [zhòngdànhuàzuòyòng]
重氮化作用
英文
diazotisation-
The order of four soil biochemical intensity being sensitive to heavy metal pollution indicated as : nitrification > nitrogen fixation > decomposition of cellulose > ammonification. however, soil microbial biomass c : n ratio increased with the increasing of heavy metals level
幾種生化作用強度的下降順序為硝化作用固氮作用纖維素分解強度氨化作用;但土壤微生物生物量碳氮比則隨著重金屬污染水平的升高而增加。Anaerobic ammonium oxidation ( anammox ) is a newly discovered process in nitrogen cycle in aquatic systems, and it plays a significant role in the conversion of nitrogen
厭氧氨氧化過程是水生生態系統氮循環中的氮轉化新途徑,並在自然界氮素的轉化過程起著重要的作用。No, a first gas information molecule discovered in human being, is a typical endothelial - derived relaxant and mediates endothelium - dependent relaxation of blood vessels. in the pathogesis of endotoxin shock vec is one of the major target cells of lps and lps - induced proinflammatory cytokine such as tumor necrosis factor and interlukin 1 and activated. in vec inducible nitric oxide synthase ( inos ) is induced and lead to an increase in production of no, the while endothelial nitric oxide synthase ( enos ) is inhibited and elicit decrease in no formation, both of which are demonstrated to induce the
在內毒素休克過程中vec是lps及其誘導機體產生的多種促炎細胞因子如tnf 、 il - 1作用的主要靶細胞, vec誘導型一氧化氮合酶( induciblenitricoxidesynthase , inos )激活、 no大量誘生而內皮型一氧化氮合酶( endothelialnitricoxidesynthase , enos )活性被抑制、 no生成障礙,是血管反應性異常變化、血管調節機制紊亂的重要發病環節。In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor
針對當前黑土利用現狀,本文借鑒眾多學者的研究方法和觀點,在吉林農大黑土區選擇利用方式不同的玉米地、休閑地、果園、草地,在玉米區進行了不同數量的施肥,通過野外試驗,採集一年自然降雨產流及泥沙樣品,同時採集降雨前後的耕層土壤樣品,研究了黑土區地表徑流對氮磷養分特徵及肥力退化的影響,結果表明:土壤侵蝕和氮磷的流失受諸多因素的影響,降雨量、降雨強度是重要因子,而降雨強度是影響農田地表徑流養分流失的最重要的氣象因子,特別是暴雨,暴雨徑流中氮磷濃度較平時高得多;隨作物生長,覆蓋度逐漸增加以及不同利用方式下表現的覆蓋度差異,氮磷流失都表現為顯著的差異。As far as the process and the environment effect of nitrogen and phosphorus biology geochemistry cycle on the earth surface are concerned, it is an important content in the region study about the globe changes with double drive of man and nature effect
在自然和人為作用的雙重驅動下,地球表面氮磷的生物地球化學過程及其環境效應則是當前全球變化中區域研究的重要內容。In the growth of c - bn films, the bombardment of particles with high energy plays a vital role
在立方氮化硼的形成過程中,高能粒子對薄膜的轟擊起著至關重要的作用。( 8 ) the most limited factor to the sustainable land use is the water resource, due to the increase of the crop yield and the crop sowing area, so it is important for sustainable land use to decreasing irrig
門)士地利用變化及其效應的可持續評價表明,曲周縣存在的最主要的不可持續因素是耗水作物的大面積種植造成的水資源壓力,局部地下水硝態氮和重金屬含量超標,對區域的種植結構調整。Based on the method of fuzzy mathematical comprehensive evaluation, this paper assesses the quality of atmosphere in wuhan with selecting so2, no2 and pm10 as evaluation factors, consulting the standards relevant to atmosphere environment and building the attaching function and the weight muster
摘要運用模糊綜合評判的方法,選取二氧化硫、二氧化氮和可吸入顆粒物作為評價因子,參照我國環境空氣質量標準,通過建立各污染物的隸屬函數和權重集,計算出各污染物的隸屬度和權重分配系數,進而對武漢市空氣質量進行模糊綜合評判。However, the refractive index will increase with the increase of the flow ratio of sifu / nhs, slightly increase with the increase of substrate temperate, and decrease with the increase of rf power. by measuring the passivation results of hydrogen plasma and sinx thin film, we found an evident improvement of minor carrier lifetime in polycrystalline silicon after hydrogen plasma treatment, although it has little to do with the annealing temperature and time. the hydrogen contained in sinx thin film can enhance the carrier mobility of monocrystalline silicon, but after annealing at high temperature the mobility turns down
通過測試氫等離子體鈍化和氮化硅薄膜鈍化的效果,實驗還發現氫等離子體處理對多晶硅材料的少子壽命提高作用比較明顯,但是這種提高作用與處理溫度以浙江大學碩士學位論文王曉泉2003年5月及時間的關系不大;氨化硅薄膜中的氫對單晶硅的載流子遷移率提高有一定作用,但經過高溫處理后這種作用消失;氮化硅薄膜能提高單晶硅和多晶硅的少子壽命,具有表面鈍化和體鈍化的雙重作用;氫等離子體和氮化硅薄膜都能有效地提高單晶和多晶電池的短路電流密度,進而使電池效率有不同程度(絕對轉換效率0N sources ( including organic and inorganic n tested ) and c sources tested could restrain methane oxidation. cellulose inhibited methane oxidation most weakly while the high concentration of methanol and glucose did dramatically, but the proper concentration of methanol could stimulate soil methane oxidation sharply. in the middle process of methane oxidation, addition of glucose could restrain methane oxidation shortly but the inhibition could be relieved about 5 days later when supplied again with enough oxygen
土壤微生物是甲烷氧化的主要生物類群,含水量對土壤甲烷氧化活性有明顯影響,過高或過低對甲烷氧化均具有抑制作用;氮源(包括有機和無機氮源)對甲烷氧化均有抑制作用;不同碳源對甲烷氧化的影響各異,纖維素對甲烷氧化抑制作用最小,而高濃度的甲醇、葡萄糖則對甲烷氧化具有強烈抑制作用;而適當濃度的甲醇可極大促進土壤對甲烷的氧化:在甲烷氧化過程中加入葡萄糖能迅速抑制甲烷氧化;在加入葡萄糖的同時保持瓶中充足的氧氣,則這種抑制作用可以在重新培養一定時間后得到解除。In the using of fertilizers, we must get rid of the method of over using nitrogenous fertilizer , which only emphasize on profit ; in the using of pesticides, we should get rid of the method of using the most effective pesticide regardless of its remains, at the same time we should speed up the construction of standardizing the planting and processing of vegetables
在化肥使用上,不能一直沿襲那種只圖效益、重施氮肥見效快的做法,要科學配方,平衡施肥,化肥和有機肥等合理搭配;在農藥使用上,改變哪種農藥見效快就用哪種農藥,甚至把大田作物農藥使用到蔬菜上的做法;同時要加快蔬菜種植、加工標準化建設。Studying on the mechanism of nitrogen transport and transformation under the conditions of fertilization and irrigation with sewage effluent is very important for utilization of sewage effluent and fertilizer and pollution control. based on laboratory and field experiment and numerical simulation, nitrogen transport and transformation has been investigated in this dissertation
污水灌溉和施肥條件下,氮素在土壤與作物系統中遷移轉化規律的研究,對于合理利用污水資源和合理施肥,最大限度提高水分和養分的利用率,減少硝態氮淋洗風險,具有十分重要的意義。Certain chemical elements, such as carbon, hydrogen, nitrogen and oxygen, are essential for life and they all require liquid water to facilitate biologically important chemical reactions
碳氫氮和氧這些化學元素是生命的必要一環,而它們都需要液態水來進行重要的生化作用。With adsorption and ion exchangeability, it is mainly used as additive in feed, it can absorb ammonia, fix nitrogen, delay the time nutriments stay in alimentary canal, absorb detrimental substance, improve the function of digest, supply many microelements and macroelemnts for livestocks
主要用作飼料的添加劑,具有吸附性和離子交換性,能吸氨固氮延緩營養物質通過消化道的時間吸附腸道有害物質,改善消化機能同時可以供給畜禽多種微量和常量元素,促進增產增重,提高飼料報酬。Diazo carbonyl compounds catalyzed by ag has been applied to the efficient synthesis of optically pure
-重氮羰基化合物在ag催化劑的作用下的wolff重排反應可以有效地合成光學純的The emphasis is put on the electrochemical no ( subscript x ) sensors and the feasibility is dicussed for determination of nitrogen oxides using solid polymer electrolyte
重點討論了氮氧化物電化學傳感器,並研究了利用固體聚合物作為電解質進行氮氧化物氣體檢測的可行性。Nitrification, performed oxidation of ammonia to nitrate by nitrifying bacteria is a key process in the cycling of nitrogen and an impotent component of modern wastewater treatment
由硝化細菌催化氨氮氧化的硝化作用是氮循環的關鍵步驟,也是現代污水處理廠生物處理氨氮廢水的重要環節。Nitric oxide was first identified as endothelium - derived relaxing factor ( edrf ) by professor furchgott in the early eighties in the 20th century. in recent years, it was found out that no plays a great role on the forming of nociception
一氧化氮( no )最初是由furchgott教授於20世紀80年代初以內皮衍生舒張因子( edrf )的形式提出的,近年來發現它在疼痛的形成中發揮著重要的作用。Double effects of nitric oxide and its adoption in sports
一氧化氮的雙重作用及在運動中的效應The authors have developed a device for measuring the normalized difference vegetation index ( ndvi ) by using four specially designed photoelectric detectors ; the ndvi can reflect the growing information and seasonal nitrogen fertilizer requirement of crops, and offers guidance for rational application of nitrogen fertilization
文中提出了一種由4個專門設計的光電探測器直接得到歸一化植被指數的測量方法,該參數能夠反映作物的生長狀態,知道不同季節的農作物對氮的需求量,對實施變量精準施肥具有重要的指導作用。分享友人