正壓密度 的英文怎麼說

中文拼音 [zhēng]
正壓密度 英文
orthobaric density
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 壓構詞成分。
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 正壓 : barotropic
  1. Further more, the coherence between circulation and olr are calculated and analyzed. the results show that there is positive correlation between australian high and the precipitation of middle and low reaches of yangtze rivers, and negative correlation between okhotsk and the precipitation of middle and low reaches of yangtze rivers

    由相關分析得出,春季鄂霍次克海區與澳大利亞高區和長江中下游地區夏季olr值分別表現出較好的相關和負相關,表明這兩個地區位勢高場的變化與夏季長江中下游地區降水多少有著切的關系。
  2. The study conducted research on the following four fields : firstly, the characteristics of the interfacial polymerization system of piperazine aqueous solution / trimesoyl hexane solution were systematically investigated. the results show that at a certain molar ratio between the two monomers, piperazine and trimesoyl, at the two phase interface, a dense functional layer of ultra low pressure, high permeating flux and high salt rejection formed by controlling the time of interfacial polymerization, such as the composite membrane ( i ), the concentration in water phase is 0. 4 %, and 0. 1 % in organic phase, and the polymerization time is 1 minute

    本文主要進行了四個方面的研究,首先系統分析和研究了哌嗪水溶液均苯三甲酰氯己烷溶液界面聚合體系特徵、界面聚合反應中各影響因素對膜性能的影響等,結果發現,當界面處兩相單體(哌嗪和酰氯)分子摩爾比為某一比值時,通過控制界面聚合時間(有機相處理時間) ,可以形成超低高通量高脫鹽的緻功能層,如復合膜( ) ,水相濃為0 . 4 ,有機相濃為0 . 1 ,聚合時間1min 。
  3. In this paper, we focus on the following three topics : ( i ) density distribution of dusty plasma in the low - pressure collisionless positive column the radial density distributions of electron, ion and dust particle in the low - pressure collisionless positive column are investigated with a fluid theory and a self - consistent dust - charging model

    本文著重以下三個方面的研究: ( )低氣無碰撞輝光放電柱區塵埃等離子體徑向分佈本文採用流體模型和自洽的塵埃充電模型,研究了低氣無碰撞輝光放電柱區的電子、離子和塵埃粒子的徑向分佈。
  4. Only when it takes humidity ratio h / ? as independent variable instead of absolute humidity h in researching and calculating the influence degree of the humidity on the discharge voltage, the emendation coefficients of relative air density and humidity can be independence, and can reflect the influence degree of atmospheric parameters on outer insulation discharge voltage actually

    當以比濕h代替絕對濕h為自變量研究和計算濕對放電電的影響程時,相對空氣系數和濕系數才能相互獨立,才能真實地反映大氣參數對電氣設備外絕緣放電電的影響程
  5. From the aspect of area distribution, problem of water environment and factors of population, society and economy do n ' t coordinate with each other : in those areas which are rich in water, there are serious pollution and waste ; in those which are lack of water, economy is relatively behind the times ; in those where there is less lack of water, high population density faces the water resource with great potential pressure

    水環境問題與人口、社會、經濟等因素在地區分佈上很不協調,如水資源豐富地區,水污染與水浪費十分嚴重;缺水地區,經濟相對落後;缺水程低的地區,人口較高,使水資源存在巨大的潛在力。在影響水環境的相關因素中,人口因素的作用十分突出,主要表現在兩個方面:一是地區人口數量與分佈的集中程是決定水資源力及相關水環境問題的真下因素;二是人口素質與水管理水平之間具有一定的相關關系。
  6. Researching and analyzing on the test results of the influence of atmospheric parameters on outer insulation discharge voltage and its various emendation methods, it can be concluded that : with the change of relative air density, its humidity ratio h / ? will also change even though the absolute vapor mass ( absolute humidity h ) of the air is constant. consequently, the influence degree of the humidity on the discharge voltage should change, too

    本文通過對以往的大氣參數對外絕緣放電電影響的試驗成果及各種校方法的研究分析認為:隨著相對空氣的變化,即使空氣中所含水氣的絕對質量(絕對濕h )保持恆定,其比濕h也會變化,必然地,濕對放電電的影響程也會變化。
  7. Sb2015 - 3 precision decade dc resistance box adopts high voltage glass glaze resistors and special high voltage seal switch. its electric performance is very stable and insulation intension is very high. the resistance value can be adjusted under the condition of ceaselessly opening voltage ( note : the using switch should not be at the point of 0. ) it is easy to operate and suitable to be used to calibrate insulation resistance meter, and suitable to be used as high resistance standard

    3型精十進位直流電阻箱採用高玻璃釉電阻器及獨特的高封開關,電性能穩定可靠、絕緣強高、可在不斷開測試電的條件下調節電阻值(在使用的那隻開關不處在「 0 」位置時) 、操作方便,適用於檢定/校準絕緣電阻表,也可作為高阻標準。
  8. Sb2015 - 2 precision decade dc resistance box adopts high resistance superfine glass silk and special high voltage seal switch. it electric performance is very stable and insulation intension is very high. the resistance value can be adjusted under the condition of ceaselessly opening voltage ( note : the using switch should not be at the point of 0. ) it is easy to operate and suitable to be used as dc resistance standard to calibrate insulation resistance meter

    2型精十進位直流電阻箱採用高阻玻璃微細絲電阻器及獨特的高封開關,電性能穩定可靠、絕緣強高、可在不斷開測試電的條件下調節電阻值(在使用的那隻開關不處在「 0 」位置時) 、操作方便,適用於檢定/校準絕緣電阻表,也可作為直流電阻標準。
  9. Abstract : a new approach, gate - capacitance - shift ( gcs ) approach, is described for compact modeling. this approach is piecewise for various physical effects and comprises the gate - bias - dependent nature of corrections in the nanoscale regime. additionally, an approximate - analytical solution to the quantum mechanical ( qm ) effects in polysilicon ( poly ) - gates is obtained based on the density gradient model. it is then combined with the gcs approach to develop a compact model for these effects. the model results tally well with numerical simulation. both the model results and simulation results indicate that the qm effects in poly - gates of nanoscale mosfets are non - negligible and have an opposite influence on the device characteristics as the poly - depletion ( pd ) effects do

    文摘:提出了一種新的建立集約模型的方法,即柵電容修法.此方法考慮了新型效應對柵電的依賴關系,且可以對各種效應相對獨立地建模並分別嵌入模型中.另外,利用該方法和模型建立了一個多晶區內量子效應的集約模型.該模型與數值模擬結果吻合.模型結果和模擬結果均表明,多晶區內的量子效應不可忽略,且它對器件特性的影響與多晶耗盡效應相反
  10. If you take a bag each time and twice a day for thirty days or so, your blood glycerine trigrease and cholesterol will be remarkably lowerd. and your high density grease protein will be raised. if you con tinuouslydrink it a period, the dirt in the inner surface of blood - vessels caused by the combination of peroxide and cholesterol will be cleaned

    常青健茶經功能實驗證實,具有調節血脂,降低血的保健功能,每天兩次,每次一袋,飲用30天左右,顯著降低血清甘油三脂和膽固醇,並升高高脂蛋白,連續飲用一段時間,能清除血管內壁過氧化物與膽固醇的結合物,使高血脂,高血患者恢復常。
  11. Raised the idea of constructing hybrid capacitor with a battery based positive electrode and a capacitor based negative electrode, experiment proved that a hybrid supercapacitor with a manganese dioxide based positive electrode and an activated carbon based negative electrode showed very good performance, double electrode specific capacitance could be enhanced to 95. 7f / g, that is 2 ~ 3 times that of the carbon based supercapacitors. furthermore, the maximal voltage of a single cell could be expanded to 1. 5v, as a result, the energy density could be ten times higher than that of a carbon based supercapacitors

    本論文中我們提出了將電池哈爾濱工程大學碩士學位論文的極與電容器的負極結合成混合超級電容器的構想,並成功實現了二氧化錳極和活性炭負極的組合,構成的錳碳混合超級電容器雙電極比容量可達到95 . 7f / g ,比活性炭超級電容器提高了2一3倍,單體工作電可以高達1 . 5v ,從而使能量提高到碳基超級電容器的十倍。
  12. We deduce easily the coherent term of quantum dynamical model ( the off - diagonal of reduced density matrix ) by improving the nature of displace operator and the nature of coherent states. then, the interaction is energies of a two - photon mechanism and the usual one - photon or liner driving mechanism. we deduce the coherent term by improving the nature of squeezing operators, displace operators and canonical transformation

    其一,僅有阻尼相互作用和勢能相互作用,此時利用位移算符的性質和相干態的性質很方便地推導了量子動力學模型的相干項(約化矩陣的非對角元) ;其二,考慮的是既有單光子相互作用又有雙光子相互作用,這時利用相干態、縮算符及則變換等的性質推導出相干項。
  13. In the upper troposphere, there is no intact asian active center. the troposphere structure of summertime ao is implicated with the horizontal heterogeneity of air temperature throughout the whole troposphere with its center over asian continent, which results in the zonal asymmetry and baroclinic structure of the summertime ao ( especially its asian center ). on the contrary, the correlation between wintertime ao and sea - land thermal contrast confines in the lower troposphere, hence its zonal asymmetry and baroclinity in the lower level

    夏季北極濤動的這種結構與對流層整層的溫水平分佈不均勻性有切聯系,且這種溫分佈差異主要體現在亞洲大陸,因而也就使北極濤動的中緯亞洲中心呈現出比同緯帶其它區域更為明顯的緯向非對稱性和斜性;而冬季北極濤動受下墊面海陸分佈差異影響,其緯向非對稱型和斜性質主要出現在對流層中低層,在對流層高層表現出很強的環形模態和結構。
  14. By means of the results obtained, such as the quantificational relationships between the rock ultrasonic wave parameters and the important formation conditions like pressures, and the half - quantificational relationships between the rock ultrasonic wave parameters and porosity and density of those rocks, and the relationships between rock ultrasonic wave parameters and the composition of rocks, we established the corresponding relationships between the ultrasonic wave parameters and depth under the main formation conditions ( indicating temperature and pressure gradient ) in tertiary of zhujiangkou basin, which should be very useful for the geophysical exploration

    獲得了巖石聲學參數與力等重要地層條件之間的定量關系,巖石聲學參數與孔隙之間、以及與巖石組成之間的半定量關系,並建立了在珠江口盆地東部第三系主要地層條件下(指溫力梯)不同巖石類型的主要聲學參數與深之間的對應關系,該關系可為地球物理演模型的建立提供基本參數、並為地震反演提供新的約束機制。
  15. For precision ac voltmeters requiring calibration at very high accuracy, ac - dc transfer technique will be used

    若要求以高準確交流電表,則本所會採用交直流轉換技術。
  16. The prototype test results indicate : voltage mode and current mode ac - ac mode ac / ac converters with high frequency link have the advantages such as high frequency electrical isolation. simple topology, two - stage power conversions, high power density, bidirectional power flow, good line current waveform, no audio noise, high converting efficiency, and high input power factor etc. this kind of converter lay the key technical foundation on new type regulated sinusoidal ac power supply, electronic transformer, ac regulator, and wave converter etc

    試驗表明,這類變換器具有高頻電氣隔離、電路拓撲簡潔、兩級功率變換( lfac hfac lfac ) 、功率高、雙向功率流、無音頻噪音、變換效率高、網側功率因數高等優點。為新一代弦交流穩器、電子變器、交流調器、同頻波形變換器的實現奠定了關鍵技術基礎。
  17. When the density of the packing material is smaller than that of the liquid, the packed bed becomes less dense and will expand before flooding

    當填料比液體小時,在液泛前填料會發生松動和膨脹,通過修填料床的孔隙可以計算膨脹填料床的降。
  18. Based on comparison between the parallel - parallel and parallel - serial combination ttfc, a novel two - transistor forward converter with parallel - serial / serial combination is proposed. this converter reduces greatly the current overshoot of the primary side switches and the voltage overshoot of the rectifying diodes. moreover, the size and weight of the converter can also be reduced by interleaving technique and increasing frequency

    本文在對並-串型和並-並型雙管激組合變換器進行了詳細比較研究的基礎上,提出了一種新型並-串串型雙管激組合變換器,該組合變換器可以大大減小原邊開關管的電流應力和副邊整流電路中二極體的電應力;通過交錯控制及提高開關頻率,大大提高了變換器的功率
  19. ( 2 ) because of t he variability of rock subjected to outside action, three new conceptions : postive damage basic damage and negative damage, are suggested, which can deal with the condition that rock density became large. ( 3 ) the present damage variables based on ct number mostly include ct average number of the rock without damage, which is difficult to measure, so a new damage variable, which includes the average ct number is proposed, on the other hand, strain equal theory is generalized because the one put foreword by lemaitre is not good enough to use. ( 4 ) a axial damage constitutive equation is proposed and testified. ( 5 ) with the circle times, the damage propagation laws of two different rocks, subjected to circle of freezing and thawing, are studied, and in the analysis process, traditional analysis method including average ct number and is used, some important conclusions are reached : inner damage of soft rock containing a large mount of apertures is largely propagating with the time increasement of circle, however, at the preliminary time, the hard rock containing a small mount of aperture is a little propagating, at late time, the influence become large ; ( 6 ) zone separation and statistics frequency put forward is used to analysized the three different damage propagation in the open circumstance, when they are subjected to the different circle times of freezing and thawing, in which the temperature variability is linear, different freezing rate, and different freezing temperature, and no water is supplied during the test

    在研究過程中本文主要做了以下工作: ( 1 )針對巖石損傷變化較小時,運用ct均值和方差分析不方便的缺陷,本文提出運用對ct數范圍劃分區段的方法,根據各區段統計頻率的變化規律來分析損傷擴展狀況; ( 2 )針對巖石受到外部作用的多變性,本文提出了基準損傷,損傷,負損傷的概念,在某種程上考慮了巖石受到外部作用時的情況; ( 3 )現有的基於ct數的損傷變量大多需要用到巖石基體的ct均值,這實際上是很難觀測到的,因此本文建議了一個可運用巖石初始狀態ct均值的損傷變量,由於現有的勒邁特教授應變等價原理使用上的不便,本文在其基礎上進行了推廣; ( 4 )建議了一個可用巖石初始狀態ct數和彈性模量的單軸損傷本構方程,並用算例進行了驗證; ( 5 )對兩種不同巖石在開放環境下受到凍融循環作用且融化過程中補水時,內部損傷隨凍融循環次數增加的擴展規律進行了探討,主要運用了常規的ct均值和ct方差的分析方法進行分析,試驗發現:對于孔隙率和含水率較高,和強較低的軟弱巖石,凍融循環次數對損傷結構的擴展有明顯的影響,而對于孔隙率和含水率較低,和強較高的硬巖,凍融循環次數對其損傷結構擴展初期由於含水率低的原因,影響不是太大,而後期由於水補給后,含水率較高的原因,凍融影響逐漸增大; ( 6 )運用了本文提出的區段劃分和統計頻率的方法,深入地分析了開放環境下的線性溫變化的凍融循環次數,凍結溫,凍結速不同巖石作用時,其內部損傷隨凍融循環次數,凍結速和凍結溫變化的擴展規律,需要指出的是除了在試驗前飽水外,凍融過程中沒有補水。
  20. The density of its field emission catelectrode tip is about 24000tip / mm2, the onset emission voltage is 0. 5 ~ iv, the backward voltage is larger than 25v, the current of single tip is 0. 2na, the sensitivity is 98. 5mv / bar

    其場致發射陰極錐尖陣列達24000個mm ~ 2 ,起始發射電為1 5v ,反向電25v ,當向電為5v時,單尖發射電流為0 . 2na ,力靈敏為98 . 5mv bar 。
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