氮氣層 的英文怎麼說

中文拼音 [dàncéng]
氮氣層 英文
blanket of nitrogen
  • : 名詞[化學] nitrogen (7號元素, 符號n)
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
  • 氮氣 : nitrogen; nitrogen gas氮氣燈 nitrogen lamp; 氮氣瓶 nitrogen cylinder; 氮氣容器 nitrogen gas conta...
  1. After analyzing purple soil sampled from neijiang, leshan ofsichuan provinec and yuanmou of yunnan province, the contrast results of microbe quantity feature between surface and subsurface purple soil were obtained as follows. the content of soil organic matter, total and available nitrogen, phosphorous and potassium of surface was higher than subsurface, not relating to the type of purple soil and soil utilization way. the quantity of microbe _ bacteria, actinomyces and mould in surface purple soil was higher than subsurface, which indicated that the organic matter and airy condition in surface soil was more suitable for microbes growing. there was the same tendency in profile change of microbe quantity in purple soil located in temperate _ humid climate of sichuan basin in contrast with dry _ hot climate of yuanmou, yunnan. the nutrient situation of purple soil in sichuan basin shown that state of surface was better than subsurface, while in yuanmou of yunnan the state was on the contrary due to the degradation of surface soil

    實驗室對四川內江、樂山和雲南元謀不同類型紫色土表和亞表微生物數量特性的比較分析表明:土壤有機質、磷鉀全量及其速效量均表現為表高於亞表,與紫色土類型和利用方式無關;三大類土壤微生物細菌、放線菌和黴菌數量均表現出表高於亞表,表明紫色土表的有機質和通性優于亞表,適宜於這三大類微生物生長;溫濕候條件下的四川盆地和乾熱候條件下的雲南元謀其紫色土微生物數量的剖面變化具有相同的趨勢,唯土壤營養狀況在四川盆地紫色土中表現為表優于亞表,而在雲南元謀紫色土中由於表土壤的退化作用表現為亞表優于表的相反情況。
  2. The nitrogen fixation in alpine meadow ecosystem is mainly accomplished by anaerobic nitrogen fixing bacteria. both ammonification and nitrification are the highest in 0 cm 10 cm soil depth

    從不同植被類型土壤的表中各生理群菌數的平均值來看,反硝化細菌的數量最高,嫌性自生固菌次之,再次為氨化菌和硝化菌。
  3. The main reservoir of nitrogen is the atmosphere.

    的主要蓄存庫是大
  4. The silica coated nanometer particles after containning in n2 for 2h within 600 c is the crystallization form. thus it can sufficiently work the nano effect. the surface of the composite particles has no crystal water and no absorbing water. the anti - oxidation ability increase after coating

    鐵納米復合粒子為結晶態,納米粒子在6000c ,保護下,納米粒子不重新結晶,殼二氧化硅包裹在納米鐵表面阻斷了納米粒子之間的重新原子排列。
  5. 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土壤樣品,研究了黑土區地表徑流對磷養分特徵及肥力退化的影響,結果表明:土壤侵蝕和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象因子,特別是暴雨,暴雨徑流中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,磷流失都表現為顯著的差異。
  6. The coal - bed gas is the one kind low pollution energy, and its major composition is methane, a small amount heavy hydrocarbon and some non - hydrocarbon gas bodies ( such as nitrogen gas, the carbon dioxide etc )

    是一種低環境污染能源,其主要成分是甲烷,少量重烴體和一些非烴體(如,二氧化碳等) 。
  7. We use best brand plum flower herbs, it s safe and has no any chemical in it, though it cost more to us

    我門堅持用中藥中的極品,梅花牌中藥,抽真空雙包裝。不含硫磺,氯化苦,磷化鋁。
  8. The result shows that the best comprehensive properties of silver conductor multilayer aln ceramic substrates can been achieved by two - step organic vehicle evacuation technology and cofire the substrate using mixed atmosphere gases of nitride and micro fraction of oxide

    結果表明,二次排膠法與在氛中加入微量氧進行燒結,獲得了綜合性能優良的銀布線多陶瓷基板。
  9. We also have outstanding talented experts in china, which form a software base to produce high - quality piston rings. anqing diamond pays a special attention to its nit riding, and the nitride piston rings have been highly honoured for its features. namely high modulus of elasticity, heat - resisting, wear - resisting etc

    值得一提的是,帝邁德擁有卓越超群的化加工工藝,使帝邁德化環的各項性能指標彈性模數熱穩定性耐拉缸性硬度深度和脆性等獲得國際同行界的高度評價,達到國際領先水平。
  10. In january, huygens is to parachute through the clouds and haze of titan ' s thick nitrogen to try a soft landing for the first close look at the moon ' s landscape, or oceanscape, as the case may be

    明年一月, 「卡西尼」號所攜帶的微型探測器「惠更斯」號將與其分離並在降落傘的協助下穿過雲和厚的氮氣層著陸土衛六表面。
  11. Through analyzing the effect of temperature and nitrogen on crude oil viscosity the influences of different nitrogen injection volume and injection modes on steam displacement are contrasted, the mechanism of nitrogen - assisted steam stimulation is clarified, which includes : heat carrying capacity is raised, the saturation of remaining oil is reduced after nitrogen - assisted injection is made ; crude oil flow is enhanced because of nitrogen compression and dispersion and the change of oil flow shape ; water back - production rate is improved by expanding the steam sweep volume and compensating in - situ energy ; steam distillation effect is enhanced

    通過分析溫度、對原油粘度的影響,對比不同注量、不同注入方式等對蒸汽驅油效果的影響,弄清了輔助蒸汽增產的機理主要表現在:輔助后增加攜熱能力,降低殘余油飽和度,的壓縮膨脹作用分散和改變了原油流動形態,增強了原油流動性;擴大蒸汽的波及體積,補充地能量,提高回採水率,強化蒸汽蒸餾效應。
  12. Why is this so important ? earth is of just the right mass to retain the heavier gases like carbon dioxide, nitrogen and oxygen in its atmosphere

    在這生命帶中,像地球般質量大小的行星才得以保存大和液態水,以地球來說,它的質量使它剛好維持大中較重的體如二氧化碳和氧。
  13. Additional annealing experiments in nitrogen atmosphere revealed that the heavily damaged region with hydrogen - induced defects appears to be the adsorption center for the outside oxygen to diffuse into the silicon during the high - temperature annealing process, and consequently, broaden the thickness of the box layer. this important finding may provide a possible solution to reduce the cost of the conventional simox - soi wafers while maintaining a desirable box thickness

    獨特設計的氛退火及分步退火實驗證明了原注入樣品的缺陷中氫及氫致缺陷的存在使得在退火過程中加速外界氛中的氧擴散進來,並成為強捕獲中心使擴散進來的氧滯留于缺陷從而促使氧缺陷中的氧沉澱生長,加速了高溫退火中的內部熱氧化過程,從而形成了比傳統相同劑量simoxsoi厚得多的氧化埋
  14. The project is to employ three layer - extruded steam of nitrogen - cross - linked processed to produce cross - linked polyethylene cable partly using imported equipment

    項目主要採用三擠出蒸汽或交聯工藝,引進部部分設備,進口交聯聚乙烯電纜料。
  15. Nirogen ( forms ) about four fifths of the atmosphere

    佔大組成部分的五分之四
  16. Higher energy electron can be in - depth local lower atmosphere, where the excited neutral nitrogen molecules, a pink or purple brilliance

    能量較高的電子則可深入大較低的地方,激發那裡的中性分子,發出粉紅色或紫紅色的光輝。
  17. When cosmic rays enter the atmosphere, they interact with nitrogen, oxygen and other atoms in the upper atmosphere and produce a large assortment of secondary particles, including radionuclides such as tritium and carbon - 14, neutrons, protons, electrons, mu

    宇宙射線進入地球大后,會與大氧等原子核發生反應,產生氚碳- 14等放射性核素及中子質子電子介子介子等次級粒子。
  18. When cosmic rays enter the atmosphere, they interact with nitrogen, oxygen and other atoms in the upper atmosphere and produce a large assortment of secondary particles, including radionuclides ( such as tritium and carbon - 14 ), neutrons, protons, electrons, mu

    宇宙射線進入地球大后,會與大、氧等原子核發生反應,產生氚、碳- 14等放射性核素及中子、質子、電子、介子、介子等次級粒子。
  19. The sky appears blue to us on a clear day, because the atoms of nitrogen and oxygen in the atmosphere separate the suns white light into its many colors, and scatter them throughout the atmosphere

    晴天,我們看天空是藍色的,因為大原子和氧原子將太陽的白光分解成許多種顏色,分散在大中。
  20. Their emissions are especially damaging, too ? partly because the nitrogen oxides from jet - engine exhausts help create ozone, a potent greenhouse gas, and partly because the pretty trails that aircraft leave behind them help make the clouds that can intensify the greenhouse effect

    他們製造出的排放物質對大的破壞也尤為嚴重? ?這一方面是由於噴式發動機工作產生的氧化物會促使臭氧的形成,而臭氧是一種強溫室體;另一方面是飛機掠過后留下的漂亮尾跡會有助於雲的形成,從而加強溫室效應。
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