air-conductivity 中文意思是什麼

air-conductivity 解釋
透氣性
  • 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，...
  • conductivity : n. 【物理學】傳導性[力]，傳導率；導電率[性，系數]。
  1. The question now becomes : whether dry air or damp air takes away heat from the body faster, i. e. whose thermal conductivity conductivity from hereon is higher

    問題便變成：是乾空氣還是濕空氣較快令身體失熱，即是兩者哪個導熱能力較高？
  2. The main tests and researches are as following : to study the ac flashover characteristic of composite insulator in different icing states by imitating tests in multifunctional artificial climate chamber, and analyze the effect of ice amount and icing water conductivity on flashover voltage, put forward a flashover mechanism by analyzing the icing flashover process. to study the ac flashover characteristic of composite insulator in different altitude and icing states together by imitating tests in multifunctional artificial climate chamber, and mainly analyze the effect of altitude ( air pressure ) and ice amount on flashover voltage, and investigate the flashover mechanism. to investigate the effect of high altitude and icing on the hydrophobicity of composite insulators

    本文主要進行了以下試驗研究： 1 ）在多功能人工氣候室里模擬不同覆冰程度下合成絕緣子的交流閃絡特性，主要分析覆冰量和覆冰水電導率對閃絡電壓的影響，並對其覆冰閃絡過程進行機理分析； 2 ）在多功能人工氣候室里模擬不同海拔高度和覆冰程度綜合作用下合成絕緣子的交流閃絡特性，主要分析海拔高度（即氣壓）和覆冰量對閃絡電壓的影響，並進行閃絡機理分析； 3 ）研究高海拔和覆冰對合成絕緣子憎水性的影響。
  3. With regard to the special environment of high altitude and ice, this paper mainly studies the effect of altitude ( air pressure ), icing states ( ice amount ) and icing water conductivity on the ac flashover characteristic of composite insulators. furthermore, it analyzes the hydrophobicity of composite insulators in these environments

    針對高海拔和覆冰地區特殊的環境，本文重點研究海拔高度（即氣壓） 、覆冰程度及覆冰水電導率等對合成絕緣子交流閃絡特性的影響，並且對合成絕緣子在高海拔和覆冰環境下的表面憎水性變化進行分析。
  4. Many people think that the conductivity is higher for moist air than for dry air. however, this is not true

    很多人認為濕空氣比乾空氣的導熱能力高，其實這是不正確的。
  5. The longer the air gap is, the higher the inception voltage ; the inception voltage is lower with 2kv at wet ice than dry ice. while, there is not a distinct effect of water conductivity on the initiative voltage

    間隙越長，起暈電壓越高;濕冰情況下間隙的起暈電壓比乾冰約低2kv ;而覆冰水電導率對起暈電壓沒有明顯的影響。
  6. Major products : water quality testing monitoring instrument : ph meter, conductivity meter, tds meters, orp meter ; pna meter, salt meter ; rotary speed measurement of the machinery manufacturing equipment : many functions tachometer ; air quality testing instrument : thermometer, hygrometer ; others : refractometer, water pump

    主要產品：水質檢測監控儀： ph酸度計ec電導率儀tds計orp氧化還原計鈉度計鹽度計機械製造設備轉速測量：多功能轉速表光電轉速表空氣質量檢測儀：數字溫度計溫濕度表光學檢測儀器：折射儀以及污水潛水泵。
  7. By applying related theory of gas discharge and mathematical statistics, this paper more in - depth and systemic study the influence of the length of air gap, ice state, water conductivity and air pressure on the inception corona and pulse discharge characteristics, included the discharge frequency, discharge amplitude and time interval

    根據試驗結果，用氣體放電和數理統計方法，分析了覆冰水電導率、冰的狀態（乾冰和濕冰） 、空氣間隙長度、氣壓和施加電壓等參數的變化對間隙模型的起始放電電壓、脈沖放電特性、放電頻率、放電幅值和時間間隔等的影響。
  8. At the same time the number of holes for liquid flowing, gas flowing and blocked to the number of total holes was defined as liquid flowing ratio, gas flowing ratio and blocked ratio. the experiment was made with in - diameter 500mm column using water - air system, the ratio was first delected in detail by multi - path conductivity gauge for the compound tray with free area 20 % and 25 % respectively

    採用多路電導測試儀，在直徑500mm的冷模塔內，以空氣-水為介質，首次較系統地測量了開孔率為20和25的復合塔板的通氣、通液和阻塞篩孔的數量比例，獲得了通氣率、通液率和阻塞率隨氣液變化的基本規律。
  9. In the simplified mathematical modeling, fins are taken as equivalent solid layer with nonisotropic thermal conductivity, and heat convection between fins and cooling air is considered as internal source

    對2種飛機環控系統電子設備冷卻用冷板進行了實驗研究，測量了不同雷諾數、不同熱源分佈情況下冷板的表面溫度分佈。
  10. The study results show that the minimum ac flashover voltage decreases with the increase of the ice amount accreted on the insulator surface by an exponential law, and the down - trend of the minimum ac flashover voltage will slow gradually with the bridging of the shed of the insulators by icicles, both the average saturated ice amount and the special exponent m of effect of ice amount for different insulators depend on the radius of shed and the air - gaps of the sheds of the insulators, and that the ac ice flashover voltage decrease with the decrease pressure ratio p / p0 ( rise of the altitude ) by power - law for different esdd and icing - states when the altitude is from 4000m to 5500m. the special exponent n, which show the effects of altitude on the flashover voltage, is various with the type of insulator, icing - states and the surface status of iced insulator etc., and that the minimum ac flashover voltage of iced insulators decreases by power - law with esdd or the freezing water conductivity for different ice amount and atmospheric

    研究結果表明：在不同海拔高度和等值鹽密esdd下，絕緣子的最低交流冰閃電壓均隨覆冰量的增加而呈指數規律降低；當覆冰量增加到一定程度后，最低交流冰閃電壓隨覆冰量增加而降低的趨勢趨于飽和；不同絕緣子串的平均飽和覆冰量及閃絡電壓的覆冰量影響特徵指數m均與絕緣子的盤徑和傘距等因素有關；在海拔4000 5500m之間，不同等值鹽密esdd和覆冰狀態下，絕緣子的交流冰閃電壓隨海拔高度的增加（氣壓的降低）與p / p0呈乘冪關系降低，氣壓影響特徵指數n與絕緣子類型、覆冰類型、覆冰表面狀況等因素有關；當覆冰量和氣壓一定時，絕緣子的最低冰閃電壓均隨著等值鹽密（ esdd ）或覆冰水電導率的增加而呈乘冪關系降低，並逐漸趨于飽和。
  11. Fluorescent spectra shows the irradiance efficiency improves. better environmental stability is indicated from tga and conductivity in the air in long time

    熒光光譜表明將pva與pan復合，增強了載流子的注入密度和限域效應，抑制了pan的非輻射衰減，提高了復合材料的發光效率。
  12. The conductivity of water is about 25 times that of air, i. e. water conducts heat 25 times faster than air

    水的導熱能力比空氣大25倍，即是水傳熱的速度快空氣25倍。
  13. Utilizing method of function extremum, it is proved that there lies minimum coefficient heat transmission in sealed vertical air layer, that is to say there exists the minimum theoretical equivalent conductivity factor. furtherly, the equation of the most excellent thickness of air interlayer is obtained

    運用函數求極值的方法，證明了封閉垂直夾層中的傳熱系數存在極小值，即封閉垂直夾層在理論上存在最小的當量導熱系數，並推導出了最佳空氣夾層厚度的理論公式。
  14. Conductive polymer composite film of polyaniline / poly ( vinyl alcohol ) ( pan / pva ) was synthesized with an in - situ polymerization. the conductivity of the composite film was determinated to be 4. 36 s - cm ' 1. thermal stabilities of this composite film and pure pan were investigated by baking polymers in air atmosphere at 200 * c

    通過現場聚合制備出聚苯胺與聚乙烯醇的復合膜，產物電導率達4 . 36s ? cm ~ （ - 1 ） ，掃描電鏡研究結果表明，隨聚合時間和靜置時間的延長，膜表面的聚苯胺層緻密、均勻。
  15. Copper powder is one of the ideal substitution products of the pdag electrode of multilayer ceramic capacitors ( mlcc ). it is excellent in price and electrical conductivity for preparing mlcc. however, copper powder is active in chemical property and can be oxidized easily in the air

    銅粉作為mlcc貴金屬內電極的理想替代產品之一，價格低廉，並具有與銀相媲美的良好導電性，但其化學性質活潑，在空氣中易被氧化為不導電的氧化亞銅和氧化銅。
  16. Glow discharge appears when applied voltage further increases. with air gap increases, the mean discharge magnitude reduces. there is not an obvious effect of water conductivity on the mean discharge magnitude at dry ice, however, the mean discharge magnitude increases when water conductivity increases

    乾冰時覆冰水電導率對平均放電量的影響不大;濕冰情況下，覆冰水電導率越大平均放電量越大，其平均放電量明顯高於乾冰。
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