生物成因氮 的英文怎麼說
中文拼音 [shēngwùchéngyīndàn]
生物成因氮
英文
biogenic nitrogen- 生 : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 成 : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
- 因 : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
- 氮 : 名詞[化學] nitrogen (7號元素, 符號n)
- 生物 : living things; living beings; organisms; bios (pl bioi bioses); biont; thing; life生物材料 biol...
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The research results indicated that the ecological effect of rice rhizosphere microbes was not only affected by water regime and nitrogen fertilizer separately, but also affected by the mutual effect of the two factors, in general, n had a dramatic effect in the tillering stage, water regime produced little in the booting stage, during the rice riping stage, the rice was not only affected by water condition and n, but also affected by mutual influence
氮素因子一般在水稻生長的分蘗期就對水稻根際土壤微生物生態效應有顯著影響,到孕穗期,水分條件開始起作用,在成熟後期,水稻不僅受到水分條件和施氮的影響,同時還受到水分條件和施氮的交叉作用影響。Arginine feeding experiment showed that nitrogen metabolism in the s. tenebraius was obviously affected by arginine through two possible ways : ( l ) pronase activity in vitro could be influnced by arginine, as a result, the catabolism of nitrogen - containing macro - molecule was promoted and the nitrogen element in the broth was increased. ( 2 ) arginine could be transformed into glutamic acid, so that the biosynthesis of apramycin was promoted
因而我們認為gln可能是安普黴素生物合成氮元素的供體。 arg添加實驗結果表明, arg可能通過兩種途徑影響黑暗鏈黴菌體內的氮代謝: ( 1 ) arg可能影響胞外蛋白酶的活性,進而促進含氮大分子物質的分解代謝,補充發酵過程中的氮素來源。A review of the development of organic semiconductor composite photo - conductive materials and devices was followed by a proposal of the researching theme in this thesis. the effects of fabrication arts such as solvents, gradient, interfacial layer and configurations on the photoconductive properties of the single - layer chlorodiane blue azo / tiopc composite photoreceptors were systematically studied in chapter ii. the results showed that the solvent played a decisive role in the multiphase and multicomponent system composed of two photogeneration species ( chlorodiane blue azo and tiopc ), a transporting material ( hydrozone ) and polymer binder ; 1, 4 - dioxane, as an amphiphilic solvent can effectively disperse and stabilize such multiphase and multicomponent systems, the derived photoreceptors presented improved photoconductive properties superior to those of dual - layer counterparts and demonstrated the evident synergetic enhancement and complementary effects ( eg
結果表明:在由兩種光生材料氯丹藍偶氮和酞菁氧鈦、傳輸材料萘苯腙以及聚合物介質組成的多相多組分復合體系中,分散溶劑是至關重要的因素,二氧六環作為典型的雙親性溶劑,有效地分散和穩定了該多相多組分復合體系,得到的復合單層光導體的光敏性在整體上優于雙層光導體,復合材料在可見光和近紅外光區分別表現出的偶氮和酞菁氧鈦的光敏性(如azo / tiopc = 8 / 2 , cgm / ctm / pc = 1 / 120 / 120時,具有明顯的互補效應;在近紅外光區明顯高於酞菁氧鈦與偶氮光敏性的線性加和,表現出協同增強正效應。The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate
採用pld技術進行了碳氮化合物薄膜沉積,得到了含氮量為21at的cn薄膜;研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響,給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因;引入脈沖輝光放電等離子體增強pld的氣相反應,給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑;應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ,得到了含n量為56at的晶態cn薄膜;探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系,證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果;採用光學發射譜技術對cn薄膜生長過程進行了實時診斷,得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律,給出了cn薄膜沉積的主要反應前驅物,揭示了cn薄膜特性和等離子體內反應過程之間的聯系;採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性,揭示了si原子對薄膜生長過程的影響,給出了si基表面碳氮薄膜的生長模式;在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積,證明了通過控制材料表面動力學條件可以改變碳氮薄膜結構特性,並可顯著提高晶態碳氮材料的生長速率。Not only the subalpine coniferous forests are the importance material woods. but also they are principal part of natural protection projection in southwesten china and important ecological screen to the upper reaches of yangtze river. there is importent significance to study the distributing characteristic of soil microbal quantity, the amount of the microorganism of physiologicaland the distributing character of enzymatic activity to the study of the soil ecological process
因此,開展對川西地域中獨特的生態環境中土壤微生物群落、以及與碳氮循環有關的土壤功能微生物數量和酶活性等的分佈特徵研究,進一步揭示川西亞高山植物群落的生態學過程已成為一項重要的研究課題。Abstract : mainly reviewed distribution of organic nitrogen, early diagenesis ( such as counteract - eutrophication, nitrification / denitrification et al. ), the controlling factors of nitrogen cycling ; and the relationship between nitrogen and ecological system in sediments in recent years, which may contribute to research the nitrogen marine biogeochemical process
文摘:主要闡述海洋沉積物中氮的存在形式與分佈、氮的早期成巖和去營養化作用、硝化和反硝化作用以及氮與生物特定種群的關系等,探討了影響海洋沉積物中的氮循環的主要因素,分析了海洋沉積物中的氮與生態系的關系,以期對研究氮的海洋生物地球化學過程有所幫助Uniform design was employed to optimize the culture conditions and the component of culture medium including carbon source, nitrogen source, phosphor source, growth factors, inorganic salts and precusor as well
利用均勻設計原理進行實驗設計,以優化培養基中碳源、氮源、磷源、生長因子、前體物及無機鹽成份的配方以及細菌培養條件。Ozone in the ambient air is not directly emitted from any source but is formed under photochemical reaction between nitrogen oxides ( nox ) and volatile organic compounds ( voc ) under sunlight
(二)室外的臭氧並非直接來自污染源頭,而是因氮氧化物與揮發性有機化合物在陽光下發生光合化學反應而形成的。分享友人