氮的平衡 的英文怎麼說

中文拼音 [dàndepínghéng]
氮的平衡 英文
nitrogen budgets
  • 氮 : 名詞[化學] nitrogen （7號元素, 符號n）
  • 的 : 4次方是 The fourth power of 2 is direction
  • 平 : Ⅰ形容詞1 （沒有高低凹凸 不頃斜） flat; level; even; smooth 2 （高度相同; 不相上下） on the same l...
  • 衡 : Ⅰ名詞1 （秤桿） the graduated arm of a steelyard2 （稱重量的器具） weighing apparatus3 （姓氏） a...
  1. Effects of diverse environmental factors on the growth rate ( od4oo ) and nitrogenase activity ( ara ) of the strain w12 hi nitrogen - free culture were investigated in our experiments. the results implied that the strain w12 could easily adapt to different cultural conditions : it could use various carbon sources ( especially glucose, sucrose, malic acid, mannitol ), propagate quickly and fix nitrogen at a temperature range of 15 ? to 40 ? and at 25 - 35 ? for optimum, at a ph range of 4 to 8. 5, at a saline concentration range of 0. 01 % to 1. 5 % ; low nlv " concentration had little effect on its nitrogenase activity. ara could also be detected when it grow in the culture media with 5mmol / l ntv "

    W12菌株對環境因子的適應性研究：無氮培養條件下，測定溫度、碳源、酸堿度、滲透壓對w12生長及固氮能力的影響，結果表明，在15 - 40下均能生長並表達固氮酶活性，其最適生長及固氮的溫度為25 - 35 ；能利用葡萄糖、蔗糖、蘋果酸、甘露醇等多種碳源生長並固氮，當培養基中同時存在蔗糖和蘋果酸時，細菌生長和固氮活性最強；在偏酸和偏堿的條件下（ ph4 . 5 - 8 . 5 ）均能保持較強的生長勢和較高的固氮酶活性，並能通過調節自身代謝平衡並適應環境的酸、堿性變化，使培養液趨于中性：能耐受較高的滲透壓，培養液中卜、 5 naci濃度對其生長和固氮酶活性影響不大，當naci濃度升至2時，菌株的生長勢及固氮酶活性才有所下降：低濃度的鉸對其固氮酶活性影響不大，在0
  2. And the purpose of nutritional support is to keep nitrogen balance, strengthen the cellular metabolism, improve tissue functions and speed up habilitation of cerebral patients

    營養支持的目的是維持氮平衡、維護細胞代謝、改善組織器官（包括腦組織）功能，促進腦血管病人的康復。
  3. As most of the yield increase resulted from the imbalanced use of nitrogen, native soil p and k reserves were depleted

    不平衡施用氮肥帶來的產量增加，使土壤中貯存的p 、 k被逐漸耗竭。
  4. The study also discovered that both the present fertilization system based on inorganic n and inorganic p and the present system of continuous cropping of corn had greats effect on balance of soil nutrients

    研究還發現，現行的以無機氮磷肥為主的施肥制度和玉米連作種植制度對土壤養分平衡有很大影響。
  5. Malnutrition and negative nitrogen balance are risk factors for respiratory compromise to occur with steroids

    應用類固醇出現呼吸損害的危險因素是營養不良和負氮平衡。
  6. The result indicated that, the output value per labour force, the output value of unit field area, the output value per person are the major indexes of the first principal components, the balance index of n, the output value per labour force and the pesticide quantity per unit field area are the major quotas of the second principal components, the balance index of p, the balance index of k and the output value per person are the major indexes of the third principal components

    結果表明：勞均產值、單位耕地產值、人均產值是決定第一主成分的主要指標；氮平衡指數、勞均產值、單位耕地施用農藥量是決定第二主成分的主要指標；磷平衡指數、鉀平衡指數、人均產值是決定第三主成分的主要指標。
  7. According to the features of naphthenic base oil ( i. e., high nitrogen and low sulfur content ) and based upon theoretical analysis of the h2s concentration needed for phase equilibrium of nickel sulfide and tungsten sulfide in hydrogen, the most economic quantity of sulfiding agent injected into the reactor for supplement of sulfur in lube oil hydrogenation catalysts was obtained

    摘要針對環烷基油高氮、低硫的特點，通過對硫化鎢和硫化鎳在氫氣中相平衡態所需硫化氫濃度的理論分析，對反應器入口所需補硫量作了詳細的闡述，得出了最經濟的補充注硫量。
  8. 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。
  9. 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。
  10. Purifying water quality : the first will be through cell amine and ammonia nitrate into substance, then later nitrate into ammonia volatile substances, so as to achieve degradation of ammonia and some toxic and harmful substances, three - dimensional improvement of water quality, water color, improve transparency and efficiency of the effect of rapid detoxification, and the establishment of the ecological balance of water for aquaculture environment

    凈化水質：首先通過菌體的活動將胺及氨類物質轉化成硝酸鹽，爾后再將硝酸鹽轉化成揮發性物質氨，從而達到降解水中氨氮及一些有毒有害物質，立體改善水質、水色、提高透明度，並具有高效快速解毒的功效，建立養殖水環境的生態平衡。
  11. It is important, however, to focus more attention upon balanced npk fertilization for china because this offers one of the quickest and most economical ways of increasing yields

    更加重視氮磷鉀平衡施肥對中國至關重要，因為這可為增產提供一條迅速而經濟的捷徑。
  12. Balanced npk fertilization offers a well known and relatively easy technology for increasing crop production rapidly in china. however, this is not the only technology available

    氮磷鉀平衡施肥為中國盡快增加糧食產量提供了一項人所共識、相對易行的技術。當然，這不是唯一可行的技術。
  13. With nitrogen ( n ) consumption in 1989 at 15. 36 million tons, it would seem obvious that large economic loses occur due to inefficient use of part of this n because china does not use one of the simplest components of myr, balanced npk fertilization

    1989年中國氮耗用量為1536噸，由於中國未使用最高產量研究最簡單組成部分之一的氮磷鉀平衡施肥，致使一部分氮肥利用率低而造成巨大經濟損失。
  14. Abstract : results of a ten year ' s field experiment indicated that the use of nutrients recycled in the farming systems with appropriate amount of fertilizer applied according to the soil nutrient supplying ability could not only produce high crop yield but also balance the soil nutrient budget so that there were no significant surplus of nutrients ( mainly inorganic nitrogen ) which may emit or leach out of soil into environment

    文摘:持續10a的田間試驗結果表明，在保持農業系統養分循環再利用的基礎上，根據土壤養分供給力設計化肥施用量，可以在實現作物高產的同時，平衡土壤養分收支，從而避免土壤中肥料養分（主要是氮）過剩而進入環境。
  15. We reviewed the historical development of j - t refrigeration cycle and its current study at home and abroad. using cubic equation of state, the vapor - liquid equilibrium of cryogenic mixtures containing nitrogen and hydrocarbons and their thermodynamic properties were calculated. based on these calculations, the system and its components were designed

    綜述了混合工質j - t節流製冷循環的發展史及國內外研究現狀，採用立方型狀態方程對含氮混合工質的汽液相平衡和熱力性質進行了計算，並在此基礎上建立了j - t節流製冷系統各部件的物理模型，進行了系統的設計計算； 2
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