透氣系數 的英文怎麼說

中文拼音 [tòuqìxìshǔ]
透氣系數 英文
air transmission coefficient
  • 透 : Ⅰ動詞1 （滲透; 穿透） penetrate; pass [seep] through 2 （暗地裡告訴） tell secretly; let out; lea...
  • 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...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 透氣 : 1. （空氣通過） ventilate 2. （呼吸空氣） breathe freely
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological

    分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象，依據astm標準及國際通用文物保護研究方法與評估準則相結合，通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定，及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響，對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。
  2. 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。
  3. The data are then routed via the global telecommunications system to guangzhou

    此外，天文臺透過全球電信系統將這些數據傳送至廣東省氣象局。
  4. Industrial packagings. flexible and heat sealing protection materials of low coefficient of water vapour transmission p

    工業包裝.低水蒸氣滲透系數的熱密封軟包裝材料
  5. The main technique route of this study is that by the methods of liquid - gas method, gbj82 - 85 and astmc1202, concrete and mortar permeability are tested at one time. the method correlates with gbj82 - 85 very well, and the relative coefficient is 0. 9728 - 0. 9913

    本課題的主要技術路線是：採取溶液法、 gbj82 - 85 、 astmc1202 ，三種方法同時對比混凝土、砂漿的滲透性能實驗，探明了溶液氣壓法與國標的相關性，其相關系數在0 . 9728 - 0 . 9913之間。
  6. Water pressure method can distinguish permeability of concrete with different strength or air content, and penetration length or permeability coefficient has good correlation with chloride ion diffusion coefficient. tension method also can distinguish permeability of different concrete, but it has discreteness compared with water pressure method

    通過研究水壓法對于不同滲透性混凝土發現:水壓法能夠較好的區分不同強度、不同含氣量的混凝土的滲透性，滲透高度及滲透系數與氯離子擴散系數的相關性較好。
  7. The keep - up pressure recovery of most oil - gas reservoirs and the gas storage measurement on some depletion reservoirs have been made in china, which have endlessly caused variation of pressure difference between inside - pore and outside - pore, followed by always changes of compressibility, porosity and permeability of rocks due to injection and production time and again of reservoir fluids

    摘要目前我國許多油氣藏進行了保壓開采措施及對部分衰竭油氣藏進行儲氣庫改造措施，油氣藏流體反復注采，使得孔隙內外壓差不斷變化，導致巖石壓縮系數、孔隙度、滲透率發生著不斷的變化。
  8. The prepared sdse modified zirconum meinbrane was tested at the wider range of tcmperaure and pressure and differellt composihons of hydrogen mixturc gases ( i. e. different hydrgen panal pressure ) in order to examine the performance of this membrane and the sole hpermselechvity of the membrane. the results showed tha the purity of the permeated hydrgen is l00 % at the base of the detection greatest lower lanit of the qhle mass spectrometer, and there was no impurity gas passed, the permeating flux and permeability of this membrane are from several decades times to one decade times more higher than tha of a palladum membran in the range of from 593k to 773k, puv = 0. 2 ~ 0. 3mpa, pdn = 4x l04pa - - 0. lmpa, the hydrogen permeatng flux is increased with the difference of the squto root of pressure, and presents a linear relationship, the pressure seems has no influence on the permeablity, the permeabi1ity is decreased with the increasing of the temperature, and presents an exponential relationship, accondng to the fitting curve of the relationship betwen the permeability and the temperatur derived from the experimenta daa, in the range of 593k ~ 773k, pup0. 2 ~ 0. 3mpa, pha = 4 x l0 # pa ~ 0

    在更寬的溫度范圍、壓差范圍內，在不同原料氣組成（即不同的氫氣分壓）條件下，對所制備的鋯表面改性膜進行了滲氫性能實驗，考核了膜對氫的唯一選擇滲透性，結果表明：在四極質譜的檢測下限內，只有氫氣存在，而無雜質氣體通過；在593k 773k溫度范圍內，鋯表面改性選擇滲氫膜具有高於鈀膜數十倍至十幾倍的滲氫流量和滲氫系數；其滲氫流量隨著膜兩側氫分壓平方根摘要差的增大而增大，並且呈線性關系；壓力對膜的滲氫系數幾乎無影響；膜的滲氫系數隨著溫度的升高而下降，井巨呈指數關系：根據對實驗數據所作滲氫系數與溫度關系曲線的擬合，在溫度593k 773k范圍內，壓差p 、 0二0
  9. At present, national standards including graduation and test method for thermal insulating properties of windows ( gb8484 - 2002 ) and graduation and test method for air infiltration of windows ( gb71017 - 2002 ) regulate the two indexes of thermal transmittance and air infiltration of windows, but the standards don ’ t involve the test method for building shading performance of windows

    現行國家標準包括《建築外窗保溫性能分級及其檢測方法》 （ gb8484 - 2002 ）和《建築外窗空氣滲透性能分級及其檢測方法》 （ gb71017 - 2002 ）中對窗戶的傳熱系數和空氣滲透量這兩項指標做了規定，但是沒有涉及到建築遮陽性能的檢測。
  10. ( 2 ) used the predecessors " research achievements for reference, an experimental provision by which relationship between capillaiy pressure and saturation and relationship between unsaturated permeability and capillary pressure of fracture can be determined simultaneously is developed for the first time. experiment of simplified fracture model on the provision is done

    借鑒前人的研究成果，基於動力法原理（即逐次建立水相和氣相之間的穩定流動狀態） ，首次研製出了一套可同時測定單裂隙毛細壓力飽和度以及非飽和滲透系數毛細壓力關系的實驗裝置。
  11. Diamond is a remarkable material due to its special crystal structure, which shows high hardness, low friction coefficient, high thermal conductivity, high optical transparency, low permittivity and high band gap etc. cvd diamond films are widely used in mechanical coating, heat sinks, optical window, semiconductor devices and other application fields because of its low price and high performance

    金剛石的特殊晶體結構使其成為一種性能優異的功能材料，它具有高硬度、低摩擦系數、高熱導率、高透光率、低介電系數和高禁帶寬度等性質。化學氣相沉積制備金剛石膜成本低、質量高，廣泛應用於工具塗層、熱沉、光學窗口、半導體器件等方面。
  12. The relationship is in accord with arrhenius ' equation

    氣體滲透系數與溫度關系符合阿累尼烏斯公式。
  13. When presinter temperature is 600 擄 c. performance of metal membrane is good. 5

    透氣系數隨著溫度的升高呈現出下降的趨勢，但下降幅度不大。
  14. Some successful examples include nickel - free metal alloys for watch and jewellery, advanced encapsulates with low moisture and tailored modulus for electronic packaging, textiles treated with nanostructured materials and water repellent apparels with high air permeability, and air purification system that removes odour and kills bacteria by photocatalytic nano - coating

    成功例子包括：手錶及珠寶專用的無鎳合金；電子封裝所需的低水分和特定模數的先進封裝材料；經納米結構材料處理的布料及透氣度高的防水衣物；以及利用光催化納米塗層技術，能夠除臭殺菌的空氣凈化系統。
  15. The method using an improved osmotic membrane f46 ( made by ethylene polymer ) to separate gases from oil is brought forward. capability of osmotic membrane f46 is discussed too. from a great of experimentations, we get the osmotic balance curve of gases, confirm balance conversion coefficient

    2 ）研究以高分子透氣膜為特徵的變壓器油在線脫氣技術；提出了一種能有效改進氣體滲透性能的聚四氟乙烯和六氟乙烯的混合膜（ f46膜）用於變壓器油氣自動分離，分析f46膜的氣體滲透性能，通過大量的試驗得出氣體滲透平衡曲線，確定油中氣體的平衡轉換系數，為實施變壓器油中氣體在線監測奠定基礎。
  16. The contents of this research project look into how to develop an active school environment through the questionnaire method, through a caring staff and trust. making this transition requires a committed morale and professional leadership behavior. in this person - oriented analysis, there were many factors which contributed to the maximum effect

    本研究的內容主要是探討如何塑造積極的學校氣氛，透過積極學校氣氛量表中的關懷、尊重、學校人員的更新、信任、決策機會、合作、士氣、表現輿校長領導行為當中的個人取向作相關分析，求取其中最大的相關系數，再附加上專訪中資深教育工作者的意見，從而勾勒出塑造澳門積極學校氣氛的要素。
  17. Wvpi testing coated fabrics - method 37 - method for determination of water vapour permeability index

    塗覆織物試驗方法.第34部分:方法37 :水蒸氣滲透系數
  18. The paper analyses the on - line monitoring power transformer " s chromatogram of oil in the pingliang 110kv substation and investigation the status in quo of transformer insulation monitor based on chromatogram of transformer oil. after the analysis of deflection sources in routine chromatogram of oil test, the paper brings into effect successfully the equipment on the base of characteristic infiltrative film monitoring six gases dissolved in transformer oil in the pingliang substation 2 # transformer. through analyzing a great deal practical data, it is proved that the monitoring system is stable and reliable, and has the ability to show the transformer ' s running state

    論文通過對平涼110kv變電站實施主變壓器油色譜在線監測及目前國內外對變壓器油色譜在線監測技術的現狀分析，結合影響常規油色譜測量結果及誤差來源分析，在平涼變電站2 #主變壓器上成功實施了以滲透氣體膜原理為基礎的變壓器油中六種溶解氣體在線監測及診斷裝置，通過大量運行數據分析，系統運行穩定，能正確反映變壓器的實際運行情況，並有效抓住了變壓器的一次故障，可作為狀態維修的依據。
  19. Reciprocating internal combustion compression - ignition engines - apparatus for measurement of the opacity and for determination of the light absorption coefficient of exhaust gas

    往復式壓燃式內燃發動機.不透明度測量儀器和廢氣吸光系數測定儀器
  20. The shimadzu uv - 3101 spectrophotometer was employed to get the uv - visible transmission and reflection spectra. both of the absorption coefficient ( a ) and optical band gap ( eg ) were calculated from the transmission and reflection spectra of the films. it was observed that eg decreased with an increase in the deposition pressure

    採用紫外-可見光分光光度計測定了納米- sic薄膜透射光譜和反射光譜，並通過樣品的透射光譜和反射光譜計算了納米- sic薄膜吸收吸收系數和光學帶隙eto實驗結果表明，增大工作氣壓導致納米- sic薄膜的光學帶隙的減小。
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