physical properties of air 中文意思是什麼

physical properties of air 解釋
大氣物理性狀
  • physical : adj 1 物質的，有形的，形而下的 （opp psychical spiritual mental moral）; 確鑿的；外界的。2 身體的...
  • 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. 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
  2. As to the work about theory analysis, at first, the paper describes the atomizing and humidifying process of the centrifugal nozzle with firing pin type, high pressure and little aperture and liquid physical properties. later, combining with the structure characters of this kind of nozzle, the paper studies on the theory of the atomizing and humidifying process by three phases, which is water film forming phase, water film falling into pieces phase, and heat and mass transfer between water and air phase in turn

    理論工作方面，首先描述了撞針型高壓小孔徑離心式噴嘴的霧化加濕過程和液體的物理性質，然後結合撞針型高壓小孔徑離心式噴嘴的結構特點，將其霧化加濕過程分三個階段進行機理上的研究，這三個階段依次為液膜形成、液膜初次破碎及二次霧化、水與空氣的熱濕交換。
  3. 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。
  4. Soil improvers and growing media - determination of physical properties - dry bulk density, air volume, water volume, shrinkage value and total pore space

    土壤改良劑和生長劑.物理特性的測定.毛體積干密度空氣量水量收縮值和總孔容
  5. 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
  6. The characters and the stability of volume of air quench steel slag have been summarized first in this paper. the air quench steel slag has good physical and chemistrial properties, and can be used to prepare concretes as aggregate. at the same time, theoretical analyzation and experiment results also show that f - cao content is very low, and mgo exists in the ro phase, so the volume of air quench steel slag is stabile

    本文首先講述了風淬鋼渣的性質及其體積穩定性，指出風淬鋼渣具有良好的物理和化學性能，適合於作集料來配製混凝土；同時從理論上分析並通過試驗驗證表明，由於風淬鋼渣中游離cao含量很低，而mgo主要以ro相形式存在，不存在體積安定性不良的問題。
  7. Soil improvers and growing media - determination of physical properties - dry bulk density, air volume, water volume, shrinkage value and total pore space ; german version en 13041 : 1999

    土壤改進劑和生長劑.物理特性的測定.毛體積干密度
  8. Combining physical experiments and theoretical analysis, this literature has performed thorough research on gas properties of delivery pipeline system, pressure current rush to interception air - mass in pressure pipeline, water hammer with gas that happens with gas releasing and liquid column separating

    本論文通過物理試驗與理論分析對輸水管道系統中的氣體特性、壓力水流沖擊截留氣團和包含氣體釋放和液柱分離現象的含氣水錘進行了深入研究。
  9. Based on uniaxial penetrating test, the effects of aggregate gradation, aggregate physical properties, asphalt binder properties, asphalt content, air void and homogeneity on shear resistance of asphalt mixture were investigated directly at 60

    摘要為了研究瀝青混合料抗剪強度的影響因素，基於單軸貫入試驗，在溫度為60時，直接對集料級配、集料性質、瀝青性質、含油量、空隙率以及均勻對瀝青混合料抗剪強度的影響進行研究。
  10. Research on pressure current rush to interception air - mass in pipeline based on the study of gas properties in pipeline system, the research which was performed through physical experiments and mathematical modeling calculation, current rush to interception air - mass contents in different pipeline, the influences of different stop gate closing - velocities to pressure current rush to interception air - mass in pipeline and some other factors, were given much consideration on the influence of current rush to interception air - mass in pressure pipeline

    2 、輸水管道系統中壓力水流沖擊氣團研究在對輸水管道系統氣體特性研究的基礎上，通過試驗對壓力水流沖擊截留氣團進行了研究，著重研究不同的截留氣團含量、不同的閥門關閉速度等對水流沖擊管道截留氣團的影響。
  11. This paper consists of the following parts : firstly, the physical properties ( particle size distribution, specific area, porosity ratio and pore volume ) and pyrolysis characteristics have been studied in experiments with four kinds of coals. according to experimental results, the advantages of combustion characteristics of micro - pulverized caols are analysed on the theory. secondly, the reconstructing plan is designed in details for a conventional system of the hot air transferring pulverized coal to reduce nox emission

    本文主要包括以下內容：首先，通過基礎的實驗分別對四種具有代表性煤種一、三次風所含煤粉的物理特性（粒徑分佈、孔隙率、孔容積和比表面積）和熱解特性進行研究，從理論上分析煤粉細化后，較細顆粒（即三次風含粉）在燃燒特性上的優越性，為三次風含粉用於再燃燃燒打下基礎。
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