氣體利用率 的英文怎麼說

中文拼音 [qìtǐlìyònglǜ]
氣體利用率 英文
gas effciency
  • 氣 : 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...
  • 體 : 體構詞成分。
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 氣體 : gas; gaseous fluid
  1. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象，採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，以及材料增強和斷裂機理，並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態（應變率為3 . 3 10 ~ （ - 3 ） s ~ （ - 1 ） 5 . 2 10 ~ 3s ~ （ - 1 ） ）的壓縮破壞響應進行了研究，分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下，材料的變形和微觀損傷機理，以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  2. On the bases of the galaxy evolution theory, we use the therotical chemical evolution model of three zone ( such as halo, thick disk and thin isk ) and multi - phase ( diffuse gas, molecular clouds, stars of both low and high mass, the remnants ). by comparing with the observational constraints, such assurface densities, age - metallicity relation, g - dwarf metallicity distribution in the solar neighbourhood and the correlation between [ a / fe ] and [ fe / h ], supernovae rates, infall rates. the rationality of the model is verified. based on the theory model, we calculate the abundance of neutron capture element

    本文正是在銀河系化學演化的基礎上，利用銀河系的三成分（ threezone ） （即暈、厚盤和薄盤）多相（ multi - phase ） （氣體，分子云，大、小質量恆星以及剩餘物質）的化學演化的理論模型，通過與觀測約束（質量面密度、場星的年齡-金屬豐度關系、太陽附近g矮星金屬含量分佈函數、三成份的特徵量、元素的星系化學演化、超新星的爆炸率、內落速率等）的比較，來檢驗模型的合理性。
  3. The gasifier is one j the key pieces of equipment in ammonia production, and the output of serni - water gas and the utilization of coal feedstock are all embodied in the gasifier

    煤氣發生爐為合成氨生產中的關鍵設備之一，半水煤氣的產量以及原料煤的利用率都集中體現在煤氣發生爐中。
  4. Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection, thereinto, the water attenuation effect changes greatly, so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme. ( 2 ) when 37ghz and 94ghz radars detect clouds, the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change. ( 3 ) for the thin cloud layer and low water content of cloud, 37 - ghz radar backscatter signals are not as good as 94 - ghz radar, that is to say that the 94ghz radar has better capability in thin clouds detection

    本工作得出如下結論： （ 1 ）大氣氣體的微波吸收在測雲波段產生明顯的衰減，其中水汽衰減效應變化很大；即將上天的空間94ghz測雲雷達必須有水汽衰減訂正方案； （ 2 ） 37ghz和94ghz雷達測雲，由於大氣和雲衰減不同和雷達反射率的很大差異，導致雷達回波信號強弱不同； （ 3 ）對雲層較薄、含水量較少的雲，在不計雷達參數的情況下， 37ghz雷達回波信號不如94ghz測雲雷達，也就是說94ghz對薄雲有更強的探測能力；對雲層較厚、含水量大的雲，由於強衰減的作用， 94ghz雷達回波信號小於37ghz雷達； （ 4 ）從大氣衰減的不利因素方面考慮，空間94ghz雷達測高層薄雲的效果最好；測低層薄雲時需要考慮氣體衰減訂正；因濃厚雲的強衰減作用，探測其中下部的能力大大減弱，不僅要進行衰減訂正，而且要藉助其他信息來反演整個雲層的含水量垂直分佈； （ 5 ）為了獲得從極薄到極濃厚雲的垂直分佈探測能力，未來測雲雷達系統最好採用雙波長甚至三波長（如94 、 37和13ghz ） 。
  5. The propagation of ultrashort laser pulse in air is analyzed with mechanics analogy by considering kerr effects and free electron defocusing. the equation describing the evolution of the laser spot is derived. it is shown that long distance focusing requires large initial beam and the propagation distance is very sensitive to the initial divergence angle of the laser beam

    考慮多光子電離效應和光學kerr效應，首次利用力學類比的方法研究了超短脈沖激光在電離氣體中的傳輸，詳細分析了傳輸距離與激光初始光斑、初始發散角以及激光功率的關系，提出了實現長距離傳輸的條件。
  6. 3. on boiler retrofit, the calculation of fuel burning, the heat calculation of boiler inside structure and convection section, and the design of structure parameter of feed water heat exchanger are made. the flue gas channels " resistance calculation and the boiler strength verifying are also carried out. replacement of water cooling wall improves heat exchanging and decreases loss of heat radiant

    對鍋爐本體進行了燃料燃燒計算、爐膛結構熱力計算、對流受熱面結構熱力計算、鍋爐給水加熱器結構參數設計、煙道阻力計算及鍋爐元件強度校核等；改進了水冷壁布置使換熱效果更好，減少輻射換熱損失；改進對流段結構，更充分的利用爐膛出口煙氣余熱，提高熱效率；並且進行了煙氣阻力計算、熱效率計算和能量平衡測試，對改進后的稠油燃料和改進前進行了對比，燃燒狀況和熱效率有明顯改善。
  7. Pore parameters ( porosity and distribution of pore diameter ) of porous glass prepared by filler principle were measured and analyzed. they were mainly determined by the volume ratio and the particle diameter of the pore former in the green body. preparation and sintering process of the samples resulted in the difference between the porosity and the volume ratio of the pore former. they were also responsible for the deviation between the distribution of poer diameter and the particle diameter of pore former

    研究表明，利用填充法制備的多孔玻璃的孔參數（氣孔率、孔徑分佈）可進行設計與控制，多孔玻璃的氣孔率和孔徑分佈主要取決于成孔劑的體積比及其顆粒分佈，前者與後者之間的偏差取決于生坯制備及燒結過程。
  8. This article studies on a novel method about detector calibration and monochromator calibration by using silicon pin photodiode. the detector and the monochromator of one spectrum measurement system had been calibrated using the method, and the spectrum distribution of one laser - produced plasmas ( lpp ) source with jet gas target was measured. the use of a specific combination of the silicon photodiode and multiplayer reflect films is the notable character in monochromator calibration

    本文研究了一種利用光電二極體傳遞標準探測器標定普通探測器和單色儀系統的方法，實際標定了所用的探測器和單色儀系統，測得了噴氣靶激光等離子體光源的相對光譜分佈，設計出絕對光譜分佈的測量方法，並且利用labview的g語言及相應的數據採集卡等硬體設備構造出一套智能化、高效率的測量系統，完成了多層膜反射率測量工作。
  9. Aim at the present condition that the permeability of high rank coal reservoirs and its dynamic change regulation have been rarely studied, based on the modern testing technologies and actual measure data of coalbed methane ( cbm ) well with better drainage effect in qinshui basin, using the international advanced cbm well numerical simulation software ( comet2 ), the dynamic change regulation of the permeability of high rank coal reservoirs during gas recovery has been discussed, using the gas and water recovery process in divided stage is matched

    摘要針對高煤級煤儲層滲透率尤其是其動態變化規律極少開展研究的現狀，基於現代測試技術和沁水盆地排采效果較好的煤層氣井實測排采數據，利用目前國際上較為先進的煤層氣數值模擬軟體comet2 ，採用分段擬合的方法對煤層氣井的產氣、產水過程進行歷史擬合和修正，進而對高煤級煤儲層滲透率在開采中的動態變化規律進行了探討。
  10. This system has some functions as following : first, statistic analysis and valuation of the spatial distribution of beijing traffic noise ; second, real - time simulation of the affection that is traffic noise in residential area ; third, previewing statues and standards of environmental noise ; fourth, management of spatial data and property data ; fifth, alternant querying of spatial data and property data ; sixth, inputting graphs and tables. we can build accurate and identical channels of information ' s coming, accelerate the circulation rate of environmental information, and increase the efficiency of environmental information resources by studying and implementing metropolitan environmental noise management information system. meanwhile, it can reduce the burden of these environmental workers

    城市道路交通噪聲信息管理系統的研究與實施可以建立準確、一致的信息來源渠道，加快環境信息的流通速度，提高環境信息資源的利用率，減輕環境工作者的工作負擔，提高環境管理工作中的效率，為環境管理和環境規劃與評價提供依據；該系統的建立與開發同時也為開發類似系統的環境工作者提供參考和借摘要一鑒，為今後實施集水、氣、噪聲、固體廢棄物為一體的環境管理信息系統平臺提供了一個子框架。
  11. Vacuum switchgear tubes, gas spark gaps and pseudospark tubes are all switches of gas discharge theory, and have the good qualities of high withstanding voltage, high amplitude of current and high power

    真空開關管、火花開關、偽火花放電管都是利用氣體放電理論的開關元件，具有高耐壓能力、高峰值電流、功率大等優點。
  12. This paper studies the application of inductively coupled plasma ( icp ) technology to the etching compound semiconductor insb - in film. by means of single probe and double probe, the ion density and electron temperature of chamber ( 30mm and 50mm in height respectively ) under varied process condition were diagnosed. the spatial distribution of the axial position of the two parameters and the varied curve that the two parameters varies with the power and air pressure are obtained

    利用單探針和雙探針診斷30mm高反應室和50mm高反應室在各種工藝條件下的離子密度和電子溫度，得到這兩個參數在反應室軸向位置的空間分佈、隨功率和氣壓的變化曲線、頂蓋接地和反應室體積對它們的影響，結果表明離子密度為10 ~ 8 10 ~ （ 10 ） cm ~ （ - 3 ） ，電子溫度在4 10ev之間；當頂蓋接地時，該處的等離子體密度明顯大於不接地；在同樣條件下， 50mm高反應室內的離子密度明顯大於30mm高反應室。
  13. This paper mainly study on the technics of preparing nano - si3n4 and icpecvd. seeking for the proper parameter and technics, crystallization of nano - si3n4 powder with muffle furnace, probe the new effective way of improving the properties of nano - si3n4 powder the ion density in the reaction chamber was diagnosed by a langmuir probe. the rules were obtained under different air pressure, different radio frequency power and different position which the ion density changes about from 1010cm - 3 to 1010cm - 3 decreasing as the pressure increases and increasing as the power decreases

    利用朗繆爾探針診斷了反應室內等離子體參數，得到不同位置、不同功率和不同氣壓下等離子體密度的變化規律，結果表明離子密度為10 ~ 8 10 ~ （ 10 ） cm ~ （ - 3 ） ，等離子體密度隨著功率的增大而增大，隨著氣壓的升高而減小，由於離子鞘層的存在，在一定條件下提供了局部等離子體密度穩定的區域。
  14. Liquid helium cryocondensation pump has great advantages in large pumping speed, working pressure range and high ultimate pressure, etc. it ' s more excellent than any other vacuum pump. it can meet the vacuum requirement of nbi and can improve the transportation efficiency. the development of neutral beam injection ( nbi ) system in the world, the structure of nbi system used on the ht - 7 device of asipp was introduced in the thesis

    液氦低溫冷凝泵是利用低溫面對氣體有強吸附能力的原理，實現抽氣的真空獲得設備，它具有抽速大、工作壓強范圍寬、極限真空度高等一系列優點，是普通真空設備無法比擬的，作為中性束注入系統的主抽泵，它能滿足中性束注入系統對大抽速的要求，提高中性束的傳輸效率。
  15. The fuel cells models are presented in chapter 3. based on the balance conditions in fuel cells stack, the dynamic performance is analyzed. the dynamic model is developed with a set of correlation equations of voltage, fuel utilization, current density and other variables involved in the operating course, which are some partial differential equations with variable coefficients

    第三章以熔融碳酸鹽燃料電池為例，以數值分析的方法，根據mcfc電堆發電過程中物質與電量平衡，分析了電堆的內部動態特性，就輸出電壓與燃料氣體利用率和電流密度等相關量建立了由一組變系數偏微分方程和積分方程描述的數學模型。
  16. Based on advanced technology, this thesis bring forward the optimal scheme and set down general system - drawings and flow charts. using step7 - micro software, we achieve the auto - control aim in drinking water treatment. in practice, the complexity and non - linaerity exit in the system of water treatment, so we apply fuzzy control in water treatment and design a kind of controller which structure can be altered according to the using - rate of ozone and the variety of water quality

    實際飲用水處理系統由於存在復雜性、非線性、時變性，本文根據臭氧生物活性炭水處理工藝存在復雜性、非線性、時變性等特點，將模糊控制應用在水處理這一不確定的非線性時變系統，針對不同水溫下臭氧利用率及水質的變化，設計一種基於系統過程狀態的變結構的模糊控制器，以單片機作為主要控制硬體，按查表方式設計軟體，對進水閥門開度進行在線控制，調節臭氧氣體與進水的比例（臭氧流量及濃度不變） ，達到氣水比最優化。
  17. Data of response of three high - pressure transducers are acquired respectively with effect of gas - shock tube and quick - opening valve. dynamic characters of transducers are known fully because of complementarity of data when transducers are calibrated at different frequency bands and pressure ranges. characteristic of excitation signal and its influence for modeling are discussed in this paper

    將三種高壓傳感器在氣體激波管和快速閥門上分別得到激勵響應的數據，根據兩者所能校準的頻率段和壓力范圍不同，利用數據的互補性，可以對傳感器的動態特性有全局的了解。
  18. The influence on the electromagnetic parameters, by the change of air ply, permanment magnet length and the magnetic pole arc coefficient, are calculated by the ansys software. the optimum parameter of the magnetic pole is obtained by solving the magnetic field

    運用有限元分析軟體ansys分析了通過改變電機極弧系數、磁鋼厚度和氣隙厚度對電機磁場的影響，以電機性能和磁鋼利用率為目標對這些參數進行了優化。
  19. Abstract : in accordance with the current thermotechnical behaviors of domestic tunnel kilns using different firing fuels, such as thermal utilization ratio and energy consumption per kilogram of porcelain, the influence of various firing fuels properties and fuel system ' s installation etc, on the kiln ' s thermotechnical behavior has been analysed in this paper. it is demonstrated that clean gaseous fuels and light oil are high quality fuels for the production of top grade fired products

    文摘:從國內現有使用不同燃料的陶瓷隧道窯的熱能利用率、千克瓷能耗等熱工性能的現狀，分析了各種燃料的燃燒性能及不同的燃燒系統設置對窯爐熱工性能的影響，認為潔凈的氣體燃料和輕油是生產高檔產品的優質燃料。
  20. The aim is to cut greenhouse - gas emissions by 2020 by at least a fifth, and more than double to 20 % the amount of energy produced from renewable source such as wind or wave power

    計劃的目的是：到2020年溫室氣體排放量減少到1 / 5 ，如風、潮汐等新能源20 %的利用率提高原來的兩倍。
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