pressure density 中文意思是什麼

pressure density 解釋
壓塊密度
  • pressure : n 1 壓;按;擠;榨。2 【物理學】壓力,壓強;大氣壓力;電壓。3 精神壓力,政治[經濟、輿論等]壓力。4...
  • density : n. 1. 稠密;濃厚。2. 【物理學】濃度;密度;比重。3. 愚鈍,昏庸。
  1. The powder was pressed through molding and cold isostatic pressure, which increased the density and decreased the uneven distribution of stress inside the briquet to make the ceramic briquet equally compact

    粉料採取模壓和冷等靜壓相結合的方法壓制,增大了坯體內部的密度並減少了應力的分佈不均,得到均勻緻密的陶瓷坯體。
  2. The main work and achierement are as following : ( 1 ) by using shock impedance matching technique and electric probe method, 5 shots of impact experiments were conducted to measure the hugoniot equation of state for enstatite ( mg0. 92, fe0. 08 ) sio3 with the average initial density 3. 05g / m3 from shock pressure 50 gpa to 115gpa, using two stage light gas gun

    本文研究取得的認識主要有以下幾點: ( 1 )用阻抗匹配法和電探針技術在80 115gpa壓力范圍內對平均初始密度為3 . 05g / cm ~ 3的頑火輝石樣品進行了5發hugoniot狀態實驗測量。
  3. Liquified petroleum gases. determination of density. pressure density bottle method

    液化石油氣密度測定法
  4. Liquified petroleum gases - calculation of vapour pressure and relative density and octane number

    液化石油氣蒸氣壓和相對密度及辛烷值計演算法
  5. Modbus transducer is the key device in the system and is used to offer power supply of pressure and temperature sensor, to collect signal, to linearizate and compensate temperature, to calculate density, volume and mass, to transmit data to modbus network, and display the data. so the modbus transducer is a multi - parament measurement, intelligent control device which can manage multi - signal

    變送器是系統的核心設備,其作用是為油罐溫度、壓力、液位、可燃氣濃度等傳感器供電,採集傳感器信號並進行線性化、溫度補償等處理,完成密度、體積和質量等參數計算,將數據輸出到modbus現場總線測控網路,根據需要現場顯示計測量參數。
  6. 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: ( )低氣壓無碰撞輝光放電正柱區塵埃等離子體密度徑向分佈本文採用流體模型和自洽的塵埃充電模型,研究了低氣壓無碰撞輝光放電正柱區的電子密度、離子密度和塵埃粒子密度的徑向分佈。
  7. So although there are better oiliness in peng ii, peng iii, peng iv gas pool and there are industrial off - take potentia after compressive fracture, this gas pool belongs to lower permeability, convention sand - density sand, little to middle throat - punctate pore, sealing elasticity gas drive, partly poor water drive, normal pressure, net gas, lithologic trap to nose - like structure - lithology compounding trap model

    所以,雖然新都氣田蓬萊鎮組蓬二、蓬三、蓬四段有良好的含油氣性,且經過測試均獲得工業產能。但總體上該氣藏隸屬低滲常規砂巖?緻密砂巖,小及中喉?細孔孔隙型,定容封閉彈性氣驅,部分弱水驅,常壓,干氣,巖性圈閉及鼻狀構造?巖性復合型圈閉氣藏類型。
  8. The same period, the ocean thermal slow, relatively high temperature, air density changes smaller solipsism relative area of low pressure

    同一時期,海洋散熱較慢,溫度相對地較高,空氣密度變化較小,遂形成相對的低壓區。
  9. Everything else being equal, a cold air column, because of its higher air density, is heavier than a warm air column and thus produces a higher air pressure

    在一般相同情況下,冷空氣柱因其密度較高,會比暖空氣柱重,因而產生氣壓較大
  10. For " upper - air ", weather maps are usually drawn for isobaric ( i. e. equal pressure ) surfaces following the practice of conventional upper - air observations and analysis. air density and atmospheric pressure generally decrease as altitude increases

    至於高空方面,由於常規的高空觀測與大氣分析都是在標準等氣壓面上進行,所以高空天氣圖亦習慣在等壓面上繪制。
  11. The results indicate that the qualitative behavior in this process is similar to that observed in condensation of vapor at or above atmosphere pressure, the coefficient of heat transfer for condensation in tube, the coefficient of heat transfer in total increase with the increasing of heat flux density and vapor pressure. however, heat flux density and vapor pressure have a more significant effect on them

    發現水平管內低壓蒸汽冷凝過程與常壓條件下蒸汽冷凝過程相同,管內冷凝傳熱膜系數、總傳熱系數隨熱流密度、蒸汽壓力的增大而增大,但熱流密度、蒸汽壓力對低壓蒸汽冷凝有著更為顯著的影響,管外冷卻水流量對其影響並不明顯。
  12. 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;缺水程度低的地區,人口密度較高,使水資源存在巨大的潛在壓力。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度是決定水資源壓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正相關關系。
  13. Paints and varnishes - determination of density - pressure cup method

    塗料和清漆.密度的測定.壓力杯法
  14. Paints and varnishes - determination of density - part 4 : pressure cup method

    塗料和清漆.密度的測定.第4部分:壓力杯法
  15. As explained by the following figure, gas in low pressure and low density will alter the light that passes through it. it is because the gas will absorb light at some particular wavelengths and re - radiate it in random directions. thus, after passing through the low pressure gas, the spectrum of the original white light will have dark lines, called

    並不是所有光譜都是黑體輻射光譜,如下圖所示,低壓下的低密度氣體會改變通過它們的光線,這是由於氣體會吸收特定波長的光波並隨機向不同方向把所吸收的光線輻射出來,結果光線在通過低壓氣體后,原本的光譜上會出現很多稱為
  16. However, the speed of penetration is equal to predicted value by fluid theory only in c + + plasma with uniform density profile. on other conditions, strong two - dimensional effects, electrostatic accelerating, magnetic pressure and plasma pressure should be included in the fluid analysis

    不過,值得注意的是僅有均勻分佈的c ~ ( + + )等離子體條件下,磁場滲透速度與簡化流體理論分析結果基本相同,而其它條件下的磁場滲透速度均與理論結果存在一定的差異。
  17. And experimental study on the heat transfer performance and pressure drop characteristic of the process of bubbling evaporative cooling are carried. as there are so little attention and studies on the process bubbling evaporative cooling about heat transfer in the world at present, this paper mainly deals with the effects of the different bare tower velocity, weir height, heat flux density and plate perforation geometries on the heat transfer coefficient and the pressure drop of the process of air flowing

    由於目前國內外對鼓泡蒸發冷卻過程在換熱方面的關注和研究較少,本文對不同空塔速度、不同堰高、不同熱流密度、多孔板的不同幾何尺寸對換熱系數及空氣流動過程阻力的影響進行了實驗研究及理論分析,總結了本實驗條件下換熱及阻力的實驗關聯式。
  18. The solution formula of dwell time is deduced by using the pulse iteration method and the smoothing fourier transition method, and the formula can be simplified referring to workpiece shape. according to the anastomotic status of the tool and workpiece surface, we present the new model of the inherent relation among local pressure density, removal rate, convergence ratio and residual errors, and the corresponding formulas are given. the forming cause of the edge effect in the polishing process is analyzed, and the means which reduces the edge effect is put forward

    2 、針對計算機控制光學表面成形( ccos )的加工方式、誤差收斂特點,研製了去除函數呈高斯分佈的雙轉子結構研拋模;採用脈沖迭代法、平滑因子傅立葉變換法推導出駐留時間的演算法,求解過程中根據工件面形的特點作了各種形式的簡化;提出了工件表面和研拋模的吻合誤差與局部壓強、材料去除率、收斂比之間內在關系的數學模型,並推導出相應的計算公式;分析了邊緣效應產生的原因,在加工過程中採用相對壓力因子對去除函數進行修正,可以消除邊緣效應的影響。
  19. Verification regulation of mud differential pressure density sensor

    綜合錄井儀鉆井液差壓式密度傳感器檢定規程
  20. When the eccentricity distance is different, the distribution form of average pressure density in machining zone is given. in the lapping and polishing experiment, sic materials can be evenly removed by choosing reasonable process conditions and parameters, and the surface will convergence to prefect shape. this is helpful to the study on quantificational machining technologies of aspheric components

    主要內容和創新點包括: 1 、根據平面研拋的成形原理和材料去除特點,建立了工件表面相對運動軌跡的數學模型,給出了不同偏心條件下加工區域的平均壓強分佈形式;在sic工件的平面研拋實驗中,通過選擇合適的加工條件和對工藝參數進行調整,能夠實現表面材料的均勻去除,獲得理想的工件面形,同時也為非球面確定量研拋提供工藝指導。
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