properties of air 中文意思是什麼

properties of air 解釋
空氣的特性
  • properties : (特性)命令修改特性
  • of : OF =Old French 古法語。
  • air : n 1 空氣,大氣。2 天空,空中。3 微風,和風。4 態度,樣子,風度,氣派;〈pl 〉高傲的架子。5 傳播,...
  1. The factors affecting the properties of air electrode were examined in this article and mno2 / c was prepared. the process parameters of air electrode were optimized, and the aluminum / air battery was also assembled

    本文主要針對影響空氣電極性能的因素進行了系統的研究,制備了mno _ 2 / c催化劑,確定了空氣電極的最佳制備工藝,將空氣電極與鋁陽極組裝成電池,並初步考察了電池的性能。
  2. Methods for determination of physical properties of tobacco and tobacco products - determination of air permeability of materials used as cigarette papers, filter plug wrap and filter joining paper

    煙草和煙草製品物理特性測定方法.第4部分:用卷煙紙過濾嘴過濾連接紙材料空氣滲透性測定
  3. Aim of this study was to meet the need for development of tribological parts in pumps. at room temperature tribological properties of different sliding pairs of silicon carbide and alumina - based ceramics were tested using a laboratory tribometer in the ring - on - plate geometry under reciprocating sliding linear contact in different media, such as distilled water, aggressive media and air

    本文針對目前泵用摩擦零部件材料發展的需要,在實驗室摩擦磨損試驗機上研究了按環/塊線接觸方式作往復運動條件下的碳化硅和氧化鋁基陶瓷材料摩擦副在水、化學腐蝕性介質作潤滑劑和無潤滑時室溫下的摩擦磨損特性。
  4. The dual - core air - guided pbgfs couplers are designed and decoupling phenomenon has been found. coupling properties of the pbgfs with adjacent two air cores are evaluated. the decoupling point, where no power transfers between two cores,

    對具有兩個相鄰纖芯的空氣傳導光子帶隙光纖的傳導模式和耦合特性進行了理論分析,在所分析的結構中發現了無耦合點,在該點兩個相鄰纖芯之間不發生能量交換。
  5. In the third chapter of this dissertation, based on the physical and chemical properties of hydrogen and the combustion characteristics of hydrogen, the quasi - dimension combustion calculation model of hydrogen ? fueled engine is set up through analyzing the characteristics of turbulence flame and chemical reaction kinetic of hydrogen ? air mixture. the model includes the dual ? area thermodynamics sub - model, quasi - dimensional turbulent entrainment combustion sub ? model, turbulence flame promulgating sub ? model, hydrogen - air mixture chemical kinetic sub - model and loss of heat transfer sub - model and so on

    本文從氫燃料的物化特性和燃燒特徵著手,通過分析氫空氣混合氣燃燒的湍流火焰結構和燃燒化學反應動力學,基於雙區燃燒模型,建立了包括雙區熱力學、準維湍流卷吸燃燒、湍流火焰傳播速度、氫空氣混合氣燃燒化學反應動力學以及傳熱損失等模塊的燃燒模型,並給出了相應的計算方法。
  6. A reasonable position of driving nozzle helps to achieve the maximum material flow that also depends on other parameters such as backpressure, properties of conveyed material and driving gas. it is observed that, an increase of convergent section angle is harmful to the pneumatic conveying system, and also influences on the mass flow rate of conveyed material, the distribution of static pressures in injector and the pressure drops of conveying pipe. in addition, within a reasonable scope of air mass rate, increasing the driving jet velocity is more advantageous than enlarging the dimension of driving nozzle

    試驗研究發現,氣體噴嘴位置對氣固噴射器的輸送能力影響最大,氣體噴嘴存在某一最佳位置,而這一最佳位置與背壓、輸送物料特性和輸送風特性相關聯;氣固噴射器的收縮角對其輸送能力、內部靜壓分佈和輸送管阻力特性均有適量影響,收縮角增大對整個輸送系統均不利;在適當的輸送風范圍內,提高氣體噴嘴出口速度比擴大氣體噴嘴尺寸更為有利,但氣體噴嘴出口速度過高會增加氣固噴射器和輸送管內的能量損耗,給輸送帶來不利的影響;系統背壓與氣固噴射器的氣體噴嘴出口速度的選取有關。
  7. The authors measure their electrical transport properties in air and in vacuum respectively and find that the electrical transport of sodium titanate nanowires devices is affected. this is attributed to oxygen adsorption on the surface of nanowire

    分別在大氣和真空兩種環境下測量了該器件的電學特性,發現器件所處的氣體環境可以影響其電傳輸特性,這可能是由於納米線表面的氧分子吸附造成的。
  8. 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。
  9. Effects of the air oxidation of carbon fibers on the properties of 3 - d braided carbon resin composites

    空氣氧化處理對三維編織炭復合材料性能的影響
  10. These deviations are not acceptable for typical calculations in hat. similar problems occur for caes plants. in order to meet the demands of engineering design, the humid air must be regarded as a kind of real gas and more accurate thermodynamic properties of the humid air are acquired at high temperature and high pressure

    本文針對新型熱力循環中對高溫高壓濕空氣熱力學性質參數的需求,以濕空氣透平和壓縮空氣蓄能系統中的工質為研究對象,在維里狀態方程的框架下,運用對應態原理,提出一個適合計算高溫高壓濕空氣熱力學性質的對應態維里方程,並利用兩種方法對濕空氣的汽液相平衡進行計算。
  11. According to the parameter range of humid air used in humid air turbine and compressed air energy storage ( caes ) system, the applied range of thermodynamics properties of humid air is determined. 2. based on virial state equation and the corresponding - state principle, expand - corresponding - state principle is introduced to describe the virial coefficients of state equation

    對應態理論是一個普適性理論,因此對應態維里方程具有一定的外推性,計算了本文提出濕空氣熱力學參數范圍內的壓縮因子; 4 .應用本文提出的對應態維里方程,計算了濕空氣的偏差焓和偏差熵。
  12. This thesis for the first time bases its analysis on the maintenance characteristics and repair mechanisms for crack filling and pothole repair in asphalt roads. it analyzes the properties of the aggregate and the bituminous binder in patching materials, and further analyzes the compatibilities of the aggregate and the bituminous binder, patching materials and old pavement materials. furthermore, it determines the grading types, the mineral aggregate gradations, the application rate of asphalt, the principle of selecting component materials and the air void

    本文首次依據瀝青路面裂縫填封和坑槽修補的維修特性和修補機理,全面分析了修補材料中集料與瀝青結合料應具備的性能要求,並對集料與瀝青結合料、修補材料與原有路面材料的相容性進行了深入的分析,同時分析確定了修補材料的級配類型、礦料級配、瀝青用量范圍、組成材料的選用原則及空隙率等。
  13. The properties of air electrode and catalyst were investigated by measuring the curve of steady - state polarization

    實驗採用恆電流的穩態極化曲線來考察催化劑和空氣電極的性能。
  14. One of the interesting properties of infra - sound is that it can travel a long distance in the air without much decay. this enables continuous monitoring of the atmosphere on a large scale. when combined with other remote sensing data, it can provide additional information regarding the atmospheric structure

    次聲波的特點是衰減小,可作長距離傳播,因此能夠對大氣進行大范圍連續不斷的監察,當結合其他的遙感資料一起使用,更可提供額外的關于大氣結構的數據。
  15. The research results show that aggregate gradation and the nominal maximum aggregate size evidently influence the shear resistance of asphalt mixture ; aggregate flakiness content influences the shear resistance of asphalt mixture, and with the increase of aggregate flakiness content the shear resistance of asphalt mixture decreases ; asphalt binder properties, especially penetration, softening point and viscosity influence the shear resistance of asphalt mixture, and the latter increases with the decrease of penetration and the increase of softening point and viscosity ; asphalt content influences shear resistance of asphalt mixture, and with the increase of binder / aggregate ratio the shear resistance of asphalt mixture decreases ; air void influences shear resistance of asphalt mixture, and usually with the increase of air void the shear resistance of asphalt mixture decreases ; homogeneity does not have a direct and obvious relationship with absolute value of shear resistance of asphalt mixture, but does with variation of shear resistance of asphalt mixture

    研究結果表明:集料級配和公稱最大集料粒徑對瀝青混合料抗剪強度有顯著的影響;瀝青混合料抗剪強度受其集料中針片狀含量的影響較大,集料中針片狀含量增大,瀝青混合料抗剪強度減小;結合料的性質,特別是針入度、軟化點和粘度對瀝青混合料抗剪強度有較大的影響,隨著針入度減小,軟化點和粘度增大,瀝青混合料抗剪強度增大;含油量對瀝青混合料抗剪強度有較大影響,隨著油石比的增大,瀝青混合料抗剪強度減小;瀝青混合料抗剪強度受其空隙率的影響較大,一般隨著空隙率的增大,其抗剪強度減小;瀝青混合料均勻性與瀝青混合料抗剪強度絕對數值間沒有明顯的關聯,而與數值間的變異性有著很好的相關性。
  16. The graduation of air - borne sound insulating properties and test method for door

    建築用門空氣聲隔聲性能分級及其檢測方法
  17. Coating powders - part 5 : determination of flow properties of a powder air mixture iso 8130 - 5 : 1992

    粉末塗料.第5部分:粉末空氣混合物流動特性的測定
  18. The thermal - wet comfort proprties of textiles under the conditions that the environment temperature is higher than that of human body ( called “ reverse temperature field ” ) are examined in this paper. four quanties ( i. e. equivalent thermal resistance, thermal resistance, resistance to water vapour transmission and air permeability ) were suggested as the physical indexes of thermal - wet comfort properties of textiles under this condition. their special meanings under this condition were explained also. the colthing microclimate testing meter was used to determine the indexes of seven different kinds of textiles. the statistical analysis was applied to analyse the relationship between these indexes and the results from wearing - clothing test. some elementary results were obtained

    研究了在環境溫度高於人體體表溫度(稱逆溫差)條件下,服裝用織物的熱濕舒適性能,提出使用當量熱阻、熱阻、濕阻及透氣率作為在此條件下織物的熱濕舒適性物理指標,指出了在此條件下其特殊含義.並且用織物微氣候儀測試了此條件下7種織物的熱濕舒適性指標,與對比穿著試驗的結果進行了分析,得出了一些初步規律
  19. Effects of sh modification agent on the microstructures and properties of air cooling bainitic cast steel

    復合變質對空冷貝氏體鑄鋼組織和性能的影響
  20. It is possible that the transportation and installation of some large bucket foundation structures in coastal and offshore engineering can be went on by the reasonably using of properties of air - float

    合理地利用氣浮特性可對一些大型的無底筒型工程結構進行海上氣浮拖運和安裝施工。
分享友人