質量流過速率 的英文怎麼說

中文拼音 [zhíliángliúguò]
質量流過速率 英文
mass rate of flow
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 率名詞(比值) rate; ratio; proportion
  • 質量 : 1 [物理學] mass 2 (產品或工作的優劣程度) quality 3 economy (離子源的); 質量標準 quality level...
  • 流過 : flow past; traverse
  • 速率 : speed; rate; tempo
  1. For electrodeposition by dc methods, the metals deposite uninterrupted and the particles were also embeded uninterrupted into the coatings ; for electrodeposition by pc method, the particles with biggish volume were desorbed from the coatings and returned to the electrolyte again owing to the presence of pulse interval ; for electrodeposition by prc method, the particles carried positive charges are much more easy to desorb from the coatings owing to the effecf of reverse pulse current combined with pulse interval, in addition, the reverse pulse current also could dissovle the metals, further accelerates the desorption of particles, thus the particles size embeded in the coatings by prc method is the least

    電沉積時,基金屬的沉積連續進行,粒子在電極表面不間斷嵌入鍍層;單脈沖電沉積由於脈沖間歇的存在使得具有較大體積的粒子會脫附,重新回到溶液中;採用周期換向脈沖時,反向脈沖電使表面荷正電的較大的粒子更易從電極表面脫附,同時,反向脈沖電對基金屬的溶解作用,也會促進粒子的脫附,因此鍍層中復合粒子尺寸最小。隨著鍍層中粒子復合的增加,三種鍍層的晶粒都明顯細化,說明al _ 2o _ 3的存在阻止了晶粒的長大,提高了電沉積程中晶核的形成
  2. Through the special studies on impacts to atomizing and humidifying effect from such factors as the firing pin type, centrifugal structure, higher spraying pressure, less aperture, initial water temperature and original state of the air, some conclusions are obtained, such as : the centrifugal nozzle with firing pin type, high pressure and little aperture has bigger air eddy and atomizing angle. the spaying liquid has high velocity. the droplet is small, and the heat and mass transfer velocity is high

    對撞針型結構、離心式結構、較高的噴水壓力、較小的噴嘴孔徑、噴水初溫及待加濕空氣初狀態對霧化加濕效果的作用原理的重點分析,得到:撞針型高壓小孔徑離心式噴嘴具有較大的空氣渦與霧化角,噴出的液體高、液滴小、水與空氣傳熱傳高,撞針型結構提高了霧化加濕效,高壓小孔徑的特點為霧化加濕提供了較大的能,而噴水初溫的升高會減小水的粘性力和表面張力,從而優化加濕效果。
  3. As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations

    數值模擬方面,應用三維湍n - s方程以及顆粒軌道模型描述了激光器燃燒室內部的噴霧兩相燃燒程,兩相之間的、能交換由液滴蒸發模型計算,氣相化學反應由arrhnius公式計算,通耦合求解氣液兩相模型方程,模擬了燃燒室三維場,得到了燃燒室內的溫度和組分濃度分佈。
  4. The largest advantage of quality information system based on internet lies on quality information that is replaced on internet. transferring quality information on internet will overcome interruption on quality information transferring in the man - made quality information system factitiously, make quality information flow faster among the relative departments, support reliable clue to work or make a decision for all of personnel on time in enterprise, and heighten enterprise ' s productivity very effectively

    基於internet的信息系統的最大優點在於信息網路化,通網路傳輸信息,克服了人工信息系統中人為地對信息傳輸的干擾,加信息在各相關部門之間的動,給企業各層人員的生產或決策提供了及時可靠的依據,有效地提高了企業的生產效
  5. It has important significance to study the welding technology of variable polarity pulsed mig for high efficiency weding and good quality of welding products. we should control the welding current, output voltage and the process of melting drop more effectively

    研究薄板鋁合金變極性脈沖mig焊接技術,更有效地控制焊接電、電壓輸出和熔滴程,提高焊接程的穩定性、提高焊接度,對于提高焊接效和焊接產品具有重要的意義。
  6. This method provides unequal protection for spiht bet stream with different importance, and adaptively adjusts the source and channel coding rates according to the time - varying characteristic of the channel, thus yields good performance and high reliability without adding extra bandwidth. simulations in rayleigh channel show that the scheme can obviously improve the image quality compared to eep and uep scheme, especially when the channel is in bad condition

    本方法通對spiht編碼碼重要性的不同而進行不同程度的保護,並利用通道的時變特性自適應地調整信源和通道編碼,從而在不增加額外帶寬的前提下有效地提高了系統的性能和可靠性,經計算機模擬模擬,得出了在瑞利通道中,傳輸條件惡劣的情況下,本方法比eep和uep能更好的提高重建圖像的
  7. Main content in simulation is the spatio - temporal evolution of the set of descriptive variables characterizing tectonic mineralization state under coupling of various processes as following : ( 1 ) variables related to forming and property of ore - forming fluid, such as dissolution rate of minerals ( include metal minerals ) in rock, concentration and saturation of aqueous species in fluid, temperature, pressure, and ionic strength etc. ; ( 2 ) variables related to structural deformation and fluid flow, such as stress, deformation rate, fracture network, porosity, fracture permeability ; ( 3 ) variables related to precipitation and mineralization, such as nucleation rate of gangue and metal minerals, accumulation precipitation of various minerals, etc. ; ( 4 ) spatio - temporal coupling relation of various variables above, such as the coupling relationship between spatio - temporal evolution of fracture permeability and flow and focus of fluid and ore - forming

    模擬的主要內容是在各種程耦合作用下,以下描述構造成礦體系的主要變的時空演化:與成礦體的形成和性有關的變,如地層中礦物(包括成礦物)的溶解體中各組分的濃度與飽和度、體溫度、壓力、離子強度等;與構造變形和體運移有關的各變,如應力與變形、巖石孔隙度、構造(斷裂)滲透等;與沉澱成礦有關的變,如礦物(金屬礦物和脈石礦物)的成核、各礦物的沉澱等;上述各有關變間的時空耦合關系,如斷裂滲透時空演化與動、匯聚和成礦的耦合關系等。
  8. Studies have been made shown that under water stress, not only root weight, root specific surface area, root - shoot ratio, root growing potential, root water potential, root vessel diameter, etc which express the indexes of wheat root morphology and architecture have significantly changed, but also bleeding sap, root respiratory rate, root plasma membrane permeability, plasmalemma peroxide level, root protective enzymes and its isoenzymes etc which express root physiological indexes have changed correspondingly

    去進行的研究表明,乾旱脅迫條件下,不僅表達小麥根系形態和構型建成指標的根系數、根系比表面積、根冠比、根生長勢、根水勢、根導管直徑等發生顯著變化,而且表達根系生理指標的傷液、根呼吸、根系膜透性、膜脂氧化水平、保護酶及其同工酶等也發生相應改變。
  9. ( 3 ) the most principal factors that influence the supersonic atomization process include the flow ratio of the gas - liquid metal ( gmr ) value, the flow of atomizing of gas and the range of the inverse vortex taper. the more of the value of three factors, the more advantage they are for the atomization and the more fine the powders are. ( 4 ) the produced powders are the best in efficient atomization efficiency, particle diameter, particle shape and dispersion when the solder alloy is zhl63a, atomizing medium is n2, the protrusion h = 6. 0mm, atomizing gas pressure p = 100mpa, over - heat temperature t = 167 ( t = 350 )

    研究結果表明: ( 1 )超音霧化器的氣體場在導液管下端形成一個倒渦錐,在二維空間上呈軸對稱的雙峰分佈,負壓形成於這個倒渦錐內; ( 2 )修正後的霧化氣體度公式可以滿足超音霧化的要求; ( 3 )影響超音霧化工藝最根本的因素有氣液比( gmr )的大小、霧化氣體和倒渦錐范圍,三個因素的值越大,對形成細粉越有利; ( 4 )在焊錫合金為zhl63a ,霧化介微n _ 2 ,導液管突出高度取h = 6 . 0mm ,霧化氣體壓力取p = 1 . 0mpa ,合金熱度取t = 167 ( t = 350 )時,所制得的粉末在有效霧化、顆粒球形度、粒度及其離散度三個方面綜合性能最好。
  10. The effectiveness of a membrane mass exchanger increases with the increase in the so solute mass transfer coefficient, ultrafiltration flux and dialysate flow rate, as well as with the decrease in the retentate flow rate

    薄膜交換器之效隨溶傳系數、超濾濾、及透析液之增加,或隨保留液之降低而增加。
  11. Connectors with assessed quality, for use in d. c., low - frequency analogue and in digital high speed data applications - rectangular connectors - detail specification for 8 - way, shielded free and fixed connectors for data transmissions with frequencies up to 600 mhz minimum

    低頻模擬及數字高數據系統用的已進行評定的連接器.矩形連接器.最低頻為不大於600mhz的數據傳輸用8道無屏蔽固定連接器的詳細規范
  12. Connectors with assessed quality, for use in d. c., low - frequency analogue and in digital high speed data applications - printed board connectors - detail specification for two - part connectors with shielding and a basic grid of 2, 5 mm - cable to board connectors, shielded against emc, grid 2, 5 mm, for high speed data rates, for use with printed boards

    評定的直低頻模擬及數字高數據系統用連接器.印製電路板連接器.帶屏蔽和2 . 5mm基柵的兩件式連接器詳細規范.同印製板一起使用的高數據傳輸emc屏蔽防護和2 . 5mm柵格的電路板連接器電纜
  13. This program is launched to solve a fundamental issue existed : the direct factor influencing the optical transmission - variation of refraction index of the media in flow - field, in other words, to use ground simulation equipment or facilities to investigate the ao effects when qualitatively visualizing and quantitatively measuring the interaction of high - temperature, turbulent or shock wave flow - field with optical beam propagating through them, so that technology support can be provided for the high - speed interceptor development

    本項目就是針對這一瓶頸技術存在的基礎性問題:場介折射變化是影響光學傳輸最直接的因素,即針對光線穿高溫和湍、激波等復雜場作定性顯示和定問題而開展的氣動光學效應地面模擬測試研究工作,為高攔截彈的發展提供技術基礎。
  14. In order to otain high quality zno thin films, we, for the first time, employ the plasma enhanced chemical vapor deposition ( pecvd ) to prepare high quality zno thin film at low temperature using a zinc organic source ( zn ( c2h5 ) 2 ) and carbon dioxide ( co2 ) gas mixtures. the effects of the growing condiction and the native oxide layer of si substrate on the quality of zno thin films was studied in detail. to prepare p - zno and overcome the dufficulty of reverse due to the interaction between the n atomic, we obtain high qulaity p - zno by a easy way of thermal zn3n2

    為了在低溫下制備高的氧化鋅薄膜,我們採用金屬有機源和二氧化碳氣源,首次利用等離子體增強化學氣相沉積的技術在低溫下制備了高的氧化鋅薄膜,系統地研究了生長條件以及襯底表面氧化層對薄膜的影響,確定了生長高氧化鋅薄膜的優化條件;為獲得p - zno材料,克服在zno中摻n雜間相互作用影響摻雜效不易獲得p - zno的困難,我們通熱氧化zn3n2的方法制備了p - zno ,獲得了一系列研究結果: 1 、詳細研究了氣體比,襯底溫度和射頻功實驗參數對氧化鋅薄膜特性的影響。
  15. Connectors with assessed quality, for use in d. c., low - frequency analogue and in digital high speed data applications - printed board connectors - detail specification for two - part single - pole connectors, for multiple uses on plug - in units, with pre - centring, coding and early mating features, having a metric grid in accordance with iec 60917

    低頻模擬及高數字數據系統用已經評定的連接器.第4部分:印製電路板聯接器.第102節:帶前定心編碼和預配合部件的米制多用途插件用雙部分單極聯接器的詳細規范
  16. Connectors with assessed quality for use in d. c., low - frequency analogue and in digital high speed data applications - part 4 : printed board connectors - section 102 : detail specification for two - part single - pole connectors, for multiple uses on plug - in units, with pre - centring, coding and early mating features, having a metric grid in accordance with iec 60917

    低頻模擬及高數據數字系統用已進行評定的連接器.第4部分:印製電路板聯接器.第102節:帶前定心,編碼和預配合部件的米制多用途插件用雙部分單極聯接器的祥細規格
  17. Resonant devices are used to measure strain, stress, acceleration, pressure, mass, flow, etc. by detecting the change of the resonant frequency or amplitude of the resonant components

    諧振器件通檢測振動元件的諧振頻或振幅的變化來測應變、應力、加度、壓力、變化以及等,廣泛應用於力學傳感器中。
  18. Mass rate of flow

    質量流過速率
  19. In addition of the analysis above, the construction of e - commerce logistics is studied and explored, including the relevant information technology and business policies to realize the new logistic functions. for the advanced logistics efficiency of inter - companies and inter - department for the management information system must be established, which is the platform of exact and efficient communication

    要提高企業間及部門間處理物業務的效必須建立高效的信息管理系統這是實現縱橫信息交與溝通準、快的基礎,導入共同配送計劃在企業內外形成信息共享平臺等先進的管理手段,通提高信息內涵的、傳送度來增強決策的科學性。
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