負氣壓 的英文怎麼說

中文拼音 [fùqìyā]
負氣壓 英文
negative air pressure
  • 負 : Ⅰ名詞1 （負擔） burden; load 2 （虧損） loss 3 （失敗） defeat Ⅱ動詞1 [書面語] （背） carry on th...
  • 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...
  • 壓 : 壓構詞成分。
  • 氣壓 : [氣象學] pressure; atmospheric pressure; barometric pressure; gas pressure; air pressure
  1. The best optimum mathematical model is constituted. scalar factor of structural parameter on loop rectangular negative pressure and adsorption slide is calculated. structural parameter, air gas source pressure carrying capacity and thickness of air cell are made sure by hydrodynamics and the theory of gas lubrication

    詳細論述了導軌副的設計過程，運用數學上的拉格朗日條件極值求解法，建立最優化數學模型，求出環矩形負壓吸附導軌的結構參數的比例情況，並運用流體力學和氣體潤滑理論確定了環矩形負壓吸附導軌的結構參數、氣源氣壓、承載能力和氣膜厚度的確定性結論。
  2. The middle ear pressure is normally equalized by passage of air through the eustachian tube, which leads to the space behind the nose nasopharynx

    咽鼓管eustachian tube主要負責保持中耳和耳朵的氣壓平衡。如欲保持耳朵氣壓平衡，可嘗試吞咽或打呵欠。
  3. In chapter 2, the meteorological knowledge, data and the methods of the data processing, related to the study on the atmospheric loads, are simply presented. the model for the perfect gas constant, describes by the relative moisture, is developed. the influences of the variation in the vapor component in the atmosphere on the perfect gas constant are evaluated by using the changing characteristics of the temperature on the surface, its spatial gradient and the barometric pressure

    第二章：簡要介紹大氣負荷研究所需的氣象科學知識、資料及其數據處理方法；建立相對濕度表示的大氣比氣體常數模型，利用地面溫度和空間垂直溫度梯度、壓力變化的規律估算大氣水汽組分變化對比氣體常數的影響；對中國及鄰區的地面氣壓記錄進行了預處理和網格化
  4. Designation, dimensions, inflation pressure and load for earth - mover tyres

    工程機械輪胎規格尺寸氣壓與負荷
  5. Designation, dimensions, inflation pressure and load capacity of pneumatic tyres for industrial vehicles

    工業車輛充氣輪胎規格尺寸氣壓與負荷
  6. Before the weaning trial, the maximal inspiratory pressure ( mip ) was - 10 cmh2o

    在嘗試脫離呼吸器之前的最大吸氣壓力為負10公分水柱。
  7. As compared with the pressure of carrier gas, the subatmospheric pressure is more favourable condition to atomize the hydride, so the atomization temperature was lower ( about 650 )

    由於硒化氫的原子化是在負壓下完成的，它將比常壓或載氣壓力下更有利於氫化物的原子化，因而使硒化氫原子化的最佳溫度降低。
  8. Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted

    在負荷較小時，壓縮機採用低速運轉，吸氣壓力升高，這對系統降低能耗是有利的；變頻控制時，蒸發器製冷劑流量的變化並非線性；系統中採用電子膨脹閥進行過熱度控制，被控對象具有參數時變的特性，相應地宜採用變結構的控制器。
  9. The sources of these internal transients are everyday items, such as air compressors, arc welders, pumps, elevators, switching power supplies and other inductive loads

    這些內部電涌的根源是每天都會使用的設備，如空氣壓縮機，電弧焊接機，泵，電梯，開關電源和其他的感應負載。
  10. Mjc : the sources of these internal transients are everyday items, such as air compressors, arc welders, pumps, elevators, switching power supplies and other inductive loads

    這些內部電涌的根源是每天都會使用的設備，如空氣壓縮機，電弧焊接機，泵，電梯，開關電源和其他的感應負載。
  11. In addition to, the effects such as process pressure, the consistence and modulus relationship on the v of the auxetic polyolefin blends were discussed respectively. it was observed that the minimal v of auxetic polyolefin blends reached - 1. 6 under low pressure from the contrast result of different specimens processed under 20 %, 40 %, 60 % of atoms

    對比在20 、 40 、 60個氣壓下制備的試四川大學碩十學位論文樣泊松比測試結果，發現低壓條件下可獲得最小值為一1 . 6的負泊松比共混體系。
  12. According to those analysis and the background of geological evolution of basin, the kind of hydrodynamics was regarded as compaction before y3 and then as compaction - osmosis after y3. futhermore, the key time of oil and gas reservoir formation was summarized, it is furthermore, the main cause of high pressure formation was believed that the compaction was not enough in paleogeothermal gradient, meanwhile, analyzing the cause of the low pressure nowadays, it was the uplift and erosion of stratum or pressure divulgence because of seal and so on

    另外，還確定油氣成藏的關鍵時期為伊敏組沉積末。再者，認為欠壓實是最大埋深狀態下，超壓形成的主要原因，同時分析了形成現今負（低）壓的原因，其原因為地層抬升剝蝕、壓力因封閉層的泄漏等。最後，恢復出各主要目的層的古流體勢的演化歷史，從伊敏組末至現今，油勢分佈特徵具有較好的繼承性。
  13. All analysis and simulations results indicate several methods improving the insulation recovery of spark gap switch : ( 1 ) using the gas with good thermal conductivity, such as h2 and sf6 ; ( 2 ) using the gas flow ; ( 3 ) utilizing the v / p cure ; ( 4 ) modifying the geometry and size of the electrode ; ( 5 ) using the gas with good electronegativity, such as sf6. some experiments on the multi - pulse operation of high power spark gap switch are carried out. the insulation recoveries of switch without and with gas flow are both investigated

    結合理論分析和模擬結果，提出了氣體火花開關多脈沖運行特性可採用如下方法: （ 1 ）使用導熱性能好的氣體，如h2 、 sf6等; （ 2 ）採用吹氣的方法; （ 3 ）增大氣壓，在電極表面增加細小結構，構造平穩的v / p曲線; （ 4 ）改良開關電極結構和尺寸，採用奶頭-半球結構的電極; （ 5 ）使用電負性強的氣體作為開關絕緣氣體，如sf6 。
  14. 1 successively depositing cbn thin films on si substrates which reaches international advanced level, the impact of negative substrate bias voltage and rf powers on the formation of cbn thin films were studied. boron nitride ( bn ) films were deposited on ( 100 ) - oriented p - type silicon substrate ( 8i sqcm ) with rf sputtering system. the target was hexagonal boron nitride ( hbn ) of 4n purity, and the working gas was the mixture of nitrogen and argon

    研究了襯底負偏壓和射頻功率對制備立方氮化硼薄膜的影響立方氮化硼薄膜沉積在p型si （ 100 ） （ 8 15 cm ）襯底上，靶材為h - bn靶（純度達99 . 99 ） ，濺射氣體為氬氣和氮氣混合而成，制樣過程中，襯底加直流負偏壓。
  15. Process parameters included rf power, substrate negative bias voltage, substrate temperature and working gas pressure

    工藝參數有射頻功率、襯底負偏壓、襯底溫度和工作氣壓等。
  16. The enhancement of water wettability, better optical transparency, and higher wear resistance have been found after the samples were treated under high rf power, bias voltage and gas pressure conditions

    在較高射頻功率、基板負偏壓、反應氣體壓強狀態下制備膜層的潤濕性、耐磨損性較好，而光學透過率較低。
  17. Room pressurization test. this test is to verify that there is a proper amount of positive / negative room air pressure

    潔凈室壓力測試。該項試驗用於檢驗潔凈室正/負氣壓的合適性。
  18. Modifying the hvac systems in hospitals to maintain negative pressure and optimise fresh air intake in sars wards and selected operating theatres

    改裝各醫院的空調系統，以維持負氣壓，並盡量增加沙士病房及某些手術室的新鮮空氣供應；
  19. The works would include creation of negative pressure gradient in wards, provision of 100 per cent fresh air supply and dilution of bioload in sufficient air change rates, installation of high efficiency particulate air filters to filter out droplets and aerosols, and the provision of en - suite toiletshower facilities in ward cubicles where building structure and existing building services installations permit

    工程將包括在病房內製造負氣壓坡度；以足夠的換氣率，供應百分之百的新鮮空氣以及稀釋空氣中的微生物含量；安裝高效能空氣粒子過濾器，過濾飛沫和噴霧；以及在建築結構和現有屋宇裝備許可的情況下，在病房單間內提供獨立洗手間和淋浴設施。
  20. The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material

    本文的主要工作和結論如下：在人工氣候室內，根據不同覆冰絕緣子正、負極性下的閃絡試驗結果，得出負極性電弧金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓；正極性電弧金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應；覆冰較少時，合成絕緣子表面出現數量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法，對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明，直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低，且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。
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