氮分壓 的英文怎麼說

中文拼音 [dànfēn]
氮分壓 英文
nitrogen partial pressure
  • : 名詞[化學] nitrogen (7號元素, 符號n)
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 壓構詞成分。
  1. Separation of azo dye wastewater with vmd process

    膜蒸餾法離偶染料廢水的研究
  2. Main xxxs : automatic refrigerant reclaiming and filling machine, automatic fuel injector cleaner & analyzer, tyre nitrogen inflator, automatic tyre pressure tester, fuel pressure tester, ozone sterilizer, disaffiliation - free cleaning liquid, etc

    主要產品:全自動冷媒回收加註機、全自動噴油嘴檢測清洗析儀、充機、自動充放測機、實用型燃油力測試儀、臭氧消毒機、免拆清洗液等。
  3. Main products : automatic refrigerant reclaiming and filling machine, automatic fuel injector cleaner & analyzer, tyre nitrogen inflator, automatic tyre pressure tester, fuel pressure tester, ozone sterilizer, disaffiliation - free cleaning liquid, etc

    主要產品:全自動冷媒回收加註機、全自動噴油嘴檢測清洗析儀、充機、自動充放測機、實用型燃油力測試儀、臭氧消毒機、免拆清洗液等。
  4. . 1 base materials for printed circuits ; part 2 : specifications ; specification 18 : bismaleimide triazine modified epoxide woven glass fabric copper - clad laminated sheet of defined flammability vertical burning test ; amendment 1

    印製電路用基材.第2部:規范.第18號規范:規定易燃性的雙對馬來酰胺三雜苯改良型環氧玻璃纖維編織覆銅層
  5. Next, the air enters a high pressure distillation column where it is physically separated into a vaporous form of nitrogen at the top of the column and a liquid form of “ crude ” oxygen ( ~ 90 % o2 ) at the bottom

    隨后空氣進入高裂蒸餾塔,離成蒸氣和「原始」液氧(含大約90 %的氧) ,蒸氣在蒸餾塔頂部,液氧在蒸餾塔底部。
  6. The structure tests showed that n2 partial pressure could change the percent of sp ^ c in cnx coatings the effects of cnx and dlc coatings on mouse fibroblasts and human endothelial cells were determined by scanning electron microscopy

    研究發現,在其它條件一定的情況下,對薄膜n含量的影響是至關重要的。隨著n _ 2氣的增大, cn膜中的n含量增加。
  7. Objective : to investigate the effects and complications of hypertonic saline in the treatment of hyponatremia in patients with obstinate heart failure and to find out prophylactic and therapeutic measures against the complications. methods : to analyze the changes of electrolytes, urea nitrogen, serum creatinine, heart rate, blood pressure, cardiac function after the treatment of hyponatremia in patients with obstinate heart failure by 3 hypertonic saline. results : after the improvement of hyponatremia, cardiac function, the levels of electrolytes, urea nitrogen, serum creatinine were improved significantly. blood pressure rised slightly. heart rate did not change. conclusion : hypertonic saline can redress hyponatremia, improve cardiac function and decrease the levels of urea nitrogen and serum creatinine rapidly and effectively. blood pressure and heart rate did not change significantly

    目的探討高滲鹽水在低鈉性頑固性心力衰竭治療過程中的作用和可能出現的並發癥以及防治對策.方法析3高滲鹽水治療低鈉性頑固性心力衰竭前後的電解質、尿素、肌酐、心率、血、心功能的變化.結果治療前後心功能、電介質、尿素、肌酐有明顯改善,血輕度升高,心率無明顯變化.結論高滲鹽水能快速有效地糾正低鈉血癥,有助於心功能的迅速改善,降低血尿素、肌酐.對血和心率影響不大
  8. The presented thesis studies the gas discharge of lab6 electrodes, the paper analyses the impacts of gas press and electrodes separation on the ignition voltage and voltage drop, and makes low gas pressure, lower than 10pa, discharge switch tubes, with gas of helium and nitrogen, electrodes gaps of 5mm. the paper studies the tubes ’ discharge performances, and the impacts of discharge process on the electrodes

    析直流工作條件下,以氬氣、氣、氦氣為工作氣體時,氣體的強、極間距對著火電和管降的影響,並製作低氣( < 10pa )下的氣體放電開關管(放電氣體為氣和氦氣,極間距為5mm ) ,研究其在直流和脈沖下的放電特性,以及放電過程對電極的影響。
  9. ( 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時的氣別為100torr和300torr ;原子譜線在氣環境中持續的時間要比在空氣中持續的時間長。
  10. Substrate negative bias voltage deeply impacts the nucleation and growth of cbn. there is a threshold value of bias voltage for depositing cbn

    襯底負偏對立方化硼的成核和生長有十重要的影響,存在偏閾值,低於該值不能產生立方化硼。
  11. The effects of food concentration and diurnal photo period on the filtering and grazing rates a. pacific were discussed. the main results are showed as follows : 1. in the prawn cultivated pond, the year - round phytoplankton apparent growth rate ranged between 0. 181 ~ 1. 2888 d - 1

    主要析了微型浮遊動物對浮游植物現存量和初級生產力的攝食力,微型浮遊動物的氨排泄率及其對初級生產力的貢獻,探討了實驗室條件下食物濃度和光周期對太平洋紡錘水蚤( acartiapacifica )濾食率和清濾率的影響。
  12. Zhejiang lead product technic co., ltd hereinafter referred as lead is invested and established by twelve shareholders including zhejiang inspection and quarantine technic center etc. it specializes in the testing of safety, sanitation, environment - friendliness, and quality items on foodstuffs, textile products, mechanical appliances, electrical appliances, chemicals and minerals etc. and it also provides services such as accreditation, quality assurance, manufacturing control technology and other consultation. lead lies in the center of zhejiang provincehangzhou, which enjoys the most rapid economic growth and is also the main production area of export foodstuffs, textile products, mechanical and electrical products

    食品紡織品機械電器化工礦產等產品涉及安全衛生環保等項目的實驗室檢測,包括蔬菜水果茶葉肉禽蛋罐頭食品水產品乳製品蜂產品中農藥殘留獸藥殘留添加劑重金屬及微量元素等檢測服裝面料皮革製品玩具中偶染料重金屬甲醛六價鉻以及耐洗磨擦色牢度成等理化指標的檢測家電電動工具燈具低電器的安全性能等的測試。
  13. 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

    通過析溫度、氣對原油粘度的影響,對比不同注量、不同注入方式等對蒸汽驅油效果的影響,弄清了氣輔助蒸汽增產的機理主要表現在:氣輔助后增加攜熱能力,降低殘余油飽和度,氣的縮膨脹作用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,補充地層能量,提高回採水率,強化蒸汽蒸餾效應。
  14. Direct separation of co _ ( 2 ) from flue gas will lead to a reduction of power generation efficiency and an increase of power generation cost. the content of co _ ( 2 ) in flue gas is only about 3 - 15 %, which will lead to complicated separation process and high cost. this is because co _ ( 2 ) separation is very difficult from common flue gas, which has low co _ ( 2 ) concentration and high n _ ( 2 ) concentration at normal pressure

    從鍋爐排煙中離co _ 2將在一定程度上使電站效率降低,發電成本增加,其主要原因是燃煤電站鍋爐排煙中co _ 2濃度一般僅為3 15 ,在較低的力下從以氣為主要成的混合氣體中離較低濃度的co _ 2氣體的難度很大,從而導致離設備復雜,成本較高。
  15. Nitrogen gas generators eliminate the need for costly, inconvenient high - pressure cylinders

    氣的離是根據psa變吸附原理,利用碳子篩獨特的特性。
  16. 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技術進行了碳化合物薄膜沉積,得到了含量為21at的cn薄膜;研究了襯底溫度和反應氣體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、晶體結構、價鍵狀態等特性及其與氣體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薄膜結構特性,並可顯著提高晶態碳材料的生長速率。
  17. Sem results show tin films appear compact and plane in different n2 partial pressure, and there is no big crystal grain appearance on the surface of tin films. tem and afm results tin films have the column structure, and the surfaces of the films are accumulated by crystal grain. in the second part of the thesis the effect of heat treatment processing on the optical properties and structure of the tin films is studied

    Tem測試結果顯示,薄膜表面是由tin晶體顆粒堆積在一起,呈柱狀結構afm測試結果表明, tin薄膜呈柱狀結構;在較小時, tin薄膜表面比較平整,顆粒細小;隨著的增加, tin薄膜表面顆粒逐漸增大;相同下,氬氣較小時制備的tin薄膜較為緻密。
  18. In the first part of the thesis tin film in different n2 partial pressure prepared by reactive magnetron sputtering is studied

    本文首先研究了磁控濺射法在不同下所制備的tin薄膜。
  19. Because the flue gases contain substantial amounts of nitrogen ( the result of burning coal in air, which is about 80 percent nitrogen ), the carbon dioxide would be recovered at low concentration and pressure ? which implies that the co2 would have to be removed from large volumes of gas using processes that are both energy - intensive and expensive

    由於廢氣中絕大部份是(這是在空氣中燃燒的結果;空氣本身含有80 %的) ,二氧化碳在廢氣中所?濃度和都很低,這也表示移除二氧化碳時,必須處理的是比二氧化碳更大量的廢氣,這樣的處理方式既耗能又昂貴。
  20. We adopt double alkali cathodal tube 9789qb, which was made by emi corporation in england, as our photomultiplier, whose spectrum ranges between 300nm to 650nm, with less noise counters and single - photon apices, which make it suitable as a single - photon - counter. the disparted - voltage device is designed in a reasonable way and the cooling system of iquefied nitrogen which makes it small in size, simple in structure, easy in processing, cheap in cost and good in performance

    該管型的光譜范圍在300 650nm ,具有暗計數少,有單光子峰的特點,適于做單光子計數器;本文的光電倍增管器設計合理而冷卻系統採用液,該系統體積小、結構簡單、加工便利、成本低廉且性能良好。
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