氮當量 的英文怎麼說

中文拼音 [dàndāngliáng]
氮當量 英文
nitrogen equivalent
  • 氮 : 名詞[化學] nitrogen （7號元素, 符號n）
  • 當 : 當Ⅰ形容詞（相稱） equal Ⅱ動詞1 （擔任; 充當） work as; serve as; be 2 （承當; 承受） bear; accept...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  1. Such blooms do not occur when nitrogen or phosphorus or both are present in very limited amounts.

    當氮或磷或兩者存在數量很少時，不出現這種藻花。
  2. 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。
  3. Before maize interplanting, 40 % of n, all of p and k and even small amount of organic manure are used by furrow application as basal, or dressed in seedling stage after wheat harvest if operation is difficult to be put into interplanting space

    套種玉米前，溝施40 %氮、全部磷、鉀甚至少量有機肥作為基肥，或者當施入套種帶作業困難時在小麥收獲后苗期追肥。
  4. Hubei province to investigate the effects of several water and nitrogen management patterns on eco - physiological conditions, yield, water use efficiency and nitrogen use efficiency in paddy rice

    結果表明，在適當的施肥量和合理的追肥方式下，與傳統的淹灌相比，節水灌溉可提高水稻水分生產率及氮肥利用率，獲得高產。
  5. The results show that the penetrability of powder loads can be improved when suitably reducing bulk density and grain size of gun propellant, increasing nitrogen content of nc and choosing oblate spheroid explosive respectively under the constant test conditions

    結果表明，在其它試驗條件不變的條件下，適當降低發射藥堆積密度、適當提高發射藥中硝化棉（ nc ）含氮量、選用恆面燃燒的扁型藥、降低發射藥粒度均有利於提高射釘的穿透能力。
  6. ( 5 ) the intensity and s / b of libs are investigated in detail at the different buffer gas, gas pressure, and laser power. the results show that under the 120 mj laser energy, for ar the best s / b is at 200 torr pressure, but for air at 100 torr and he at 300 torr. duration of atomic spectra in ar is longer than that in air

    （ 5 ）實驗測定了不同的緩沖氣體和氣壓以及不同的入射激光脈沖能量對原子譜線強度和背景光的影響，結果顯示在氬氣環境下，當氣壓約為200torr 、激光的能量約為120mj時， libs的s b最大；在空氣和氦氣中獲得最佳s b時的氣壓約分別為100torr和300torr ；原子譜線在氮氣環境中持續的時間要比在空氣中持續的時間長。
  7. When yield are not what is expected following the application of increasing nitrogen fertilizer, the method application become important

    當施氮量增加后未能獲得預期產量時，施肥方法就變得更為重要。
  8. The grain single output comes to the higher level when the amount of chemical fertilizer energy input is 1. 88gj, and the amount of organic fertilizer energy input is 5. 32gj. in whole village households about 37 % input energy excessively, so energies about 440gj are meaninglessly put into environment. it equaled to 4. 78 tons pure nitrogen or 32. 86 tons p205

    其中，化肥投能在1 . 88gj ，有機肥投能在5 . 32gj左右時，糧食單產較高。全村大約37的農戶投能過量，估計一年要損失440gj能量，相當于每年要有4 . 78噸純氮或32 . 86噸五氧化二磷被無謂地排放到環境當中。
  9. N 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。
  10. This showed that under local conditions, n application rate of 525 kg / ha might be excessive or out of balance

    這表明在當地條件下， 525公斤/公頃施氮量可能過量或超出平衡。
  11. When a larger number of grains relative to the size of vegetative parts is produced, more nitrogen will be needed to support grain growth, and there will be a sharper drain in leaf nitrogen content

    當相對于營養部分來說生成較大數量的籽粒時，更多的氮要用來支持這些籽粒生長，葉片含氮量會急劇下降。
  12. Little is known about how to control anpsp due to lack of the related theory and practical experience. especially there is no satisfactory measure to reduce the runoff and leaching of n and p from agriculture into rivers and lakes. it ' s very significant in both theory and realism to reduce agricultural non - point source pollution and protect our ecological environment for realizing the harmonious development of resource, environment and agriculture in china

    農業面源污染是困擾我國社會、經濟持續發展的一個嚴重的環境問題，主要是由於農業面源污染具有量大面廣、分散的特點，並受自然條件突發性、偶然性和隨機性的制約，現階段我們對農業面源污染情況的了解程度遠遠不如點源污染，還缺乏整治的相關理論基礎和實踐經驗，減少污染物尤其是氮、磷營養的排放具有相當大的難度，因此控制農業面源污染、保護和優化生態環境對實現我國資源、環境和農業協調發展有重要的理論和現實意義。
  13. Nitrogen as a plant nutrient is treated in a great number of publications.

    人們對植物營養中的氮素研究已發表相當大量的報告。
  14. 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。
  15. Under the condition of the same film thickness and nitrogen containing, the higher critical load indicates the smaller residual stress and larger adhesion energy

    而若是在相同厚度，含氮量也相同的類鉆碳膜，當臨界負荷越大時表示其殘留應力越小，則附著能量也就會較大。
  16. According to the experimental results, the critical loads are higher as more nitrogen containing ; however, the critical load of the film of 66 percent nitrogen containing is very low because of much graphitizing

    由實驗結果可得知，當類鉆碳薄膜的氮含量提高時，其刮痕試驗得到的臨界負荷值會變大，但是當氮含量達到66 %時，因為類鉆碳膜已有石墨化的現象，臨界負荷值則會急據的下降。
  17. Papers about methane and nitrous oxide were concerning in bare land soil and the effect factors up today. almost no information was on the nitrous oxide and methane fluxes from greenhouse soil and its microbiological mechanisms. therefore, it was valuable to observe the fluxes of methane and nitrous oxide from green - house soil and demonstrate its microbiological mechanisms

    目前國內外關于農田甲烷和氧化亞氮排放通量的研究，僅局限於報道大田作物在當季生長期內甲烷和氧化亞氮的排放及其影響因子，但在設施栽培條件下土壤甲烷和氧化亞氮排放及其微生物學機理及相互間關系至今未見報道。
  18. The addition of mg reacts with al and sio2 then form mgal2o4 at the interface in the sicp / al composites ; it reacts with sio2 and produce mgo at the interface in sicp / al - si composites, the good metal - ceramic bond is achieved

    當mg含量為1 . 0時，對復合材料的力學性能和微觀組織結構改善程度最大。另外發現mg與空氣中的氮氣反應生成的mgn _ 2對sic顆粒增強復合材料的浸潤性也有改善作用。
  19. Scientists speculate that the amount of radon increases in the ground when rocks layers shift, exposing new rock, and thus more radon

    科學家推測當巖層移位時，新巖石露出，產生更多的氮，這樣地層中的氡數量就增加了。
  20. Aided by impact experiment and fracture analysis, it finds that the impact power of the steels decreases significantly as the nitrogen content increases from 81 10 ^ ( - 6 ) to 98 10 ^ ( - 6 ), and the drop is the greatest at - 40 ~ - 60

    通過沖擊試驗性能數據和斷口形貌分析發現，當試驗鋼含氮量從81 10 ^ （ - 6 ）增加到98 10 ^ （ - 6 ）時，試驗鋼的沖擊功大幅度地下降，在- 40 ~ - 60區間上沖擊功下降幅度最大。
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