質量流率 的英文怎麼說

中文拼音 [zhíliángliú]
質量流率 英文
mass flow rate
  • : 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...
  • : 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...
  1. The analysis of ir spectrum and melt flow index showed that the composite had a micro - crosslinking structure, and the analysis of dsc discovered there was - spherulite in the aggregate structure of the composite of pp

    紅外光譜分析和熔體動速的測定表明,復合材料體系產生了微交聯; dsc分析發現, pp材料的聚集態結構中含有球晶。
  2. The investigation on the evaporation heat transfer characteristics in a horizontal micro - fin tube for r290 - 3gs mixture shows : a ) the average evaporation heat transfer coefficient of the mixture increase with the increasing of the mass flux

    R290含油混合物在水平微肋管內動沸騰換熱特性的實驗研究表明: a )隨著質量流率的增加,含油混合物微肋管內的沸騰平均換熱系數增加。
  3. Thereby this paper puts forward four ways to reduce no, emissions : reduction of the highest combustion temperature, fuel emulsification, exhaust gas recirculation and selective catalytic reduction. according to the marpol convention, no, emissions are defined as per engine power of nox mass flow rate

    Marpol公約附則規定的no _ x的排放標準為柴油機單位制動功排氣中no _ x的(單位: g kw ? h ) ,因此要想對被測試的柴油機的no _ x排放進行判定,必須得到排氣中no _ x的和柴油機的制動功
  4. The only method to get nox mass flow rate is to know nox concentration in the exhaust and the exhaust mass flow rate. this paper discusses the computational method to get exhaust mass flow rate by carbon / oxygen balance method. besides the traditional computational method, this paper also demonstrates the possibility of applying bp neural network to predict no, emissions from marine diesel engines

    由於大功船用柴油機本身所固有的體積大、排氣大以及測困難等特點,使得排氣中no _ x的不能直接測,而只能通過測no _ x的體積濃度並確定排氣或體積,才能推算出排氣中no _ x的
  5. According to the experimental parameters of mpt, the main performance parameters of different propellants have been given by engineering performance computation under designed and working states, which has great importance for the experimental research and the future work. 2. for helium and argon, the factors which influence on mpt ' s vacuum steady work have been discussed such as the material of microwave tie - in, the distance between the probe and inner - conductor, the position of the inner - conductor, the input power of microwave, the mass flowrate of propellant and the vacuum pressure of environment, and the influence has been discussed of the microwave power and the mass flowrate of propellant on the pressure of the resonance cavity, thrust, reflected power and the temperature of the resonance cavity

    論文的工作和新見解主要包括: 1在設計狀態和工作狀態下,根據mpt的實驗參數,對mpt使用不同工時的性能進行了工程估算,這對mpt現階段的實驗研究和今後的研究有重要的指導意義; 2對于he 、 ar推進工,討論微波的接頭材料、探針與內導體的間隙、內導體的位置、微波的輸入功、工以及環境真空度對mpt真空啟動和穩定工作的影響,並探討微波的輸入功、工對諧振腔壓強、推力、反射功以及諧振腔溫度的影響; 3對于n _ 2 、 h _ 2 、 nh _ 3 、 h _ 2o推進工,主要討論與he 、 ar工不同的特性,並從長遠的眼光和工程應用的角度,認為其可行性不容置疑,潛在優勢不可忽略,是未來mpt應用的主推進工
  6. Much works has been distributed to the development of a vacuum system to simulate the outer space and a measurement system to test the arcjet performance. ignition experiments in various operational modes have been done with argon as propellant. macroscopical working parameters including thrust, mass flow rate, voltage, current, inlet pressure and vacuity are obtained by the test measurement system and actual performance parameters including specific impulse, thrust efficiency, ratio of thrust and power and ratio of power and mass flow are calculated

    以氬氣作為推進劑,在不同工況下進行點火實驗,測獲得了其工作推力、電弧電壓和電、推進劑和弧室壓力等宏觀參數,得到了不同實驗條件下其工作的實際比沖、推力效、推力/功比以及比功等性能參數,分析了推進劑質量流率、電弧功、電弧加熱發動機電弧室結構尺寸等因素對其性能的影響,為數值模擬研究和實際的低功電弧加熱發動機優化設計及研製提供了實驗基礎。
  7. Standard test method for volumetric and mass flow rate measurement in a duct using tracer gas dilution

    用示蹤氣體稀釋法測管道中體積和的標準試驗方法
  8. Because coriolis mass flowmeters have directly quclity discharge of measuring he flwid measure an accarate, degree high application wide, the rearinghave low request circulate cveaibility. maintain a rate low etc, character istics extensiuely applied cure the gold thermodgnamic energy electrie power food in the petroleum chemical engintring etc discharge of the flow measure

    由於科氏計具有能夠直接測體的,測準確度高,應用范圍廣,安裝要求低,儀表運行可靠,維修低等優點,已廣泛應用於石油化工冶金熱力電力食品等領域的
  9. Concentric jacket pipe surrounded the test condenser. steam was generated in the boiler, flowed upward to the inlet of connection pipes, then flowed downward into the condenser tube, the cooling water flowed countercurrently through the annulus. the experiment covered the range of the pressure 1. 0 ~ 3. 0bar, heating power 2. 0 ~ 15. 0kw, steam mass flow rate 0. 001 ~ 0. 004kg / s, air mass flow rate 0. 0 ~ 0. 00163kg / s, and cooling water temperature 20 - 60 ?

    在系統壓力為0 . 1 0 . 3mpa ,加熱功為2 15kw ,蒸汽為0 . 001 0 . 004kg s ,空氣為0 . 0 0 . 00163kg s ,二次側冷卻水溫度20 60的范圍內,系統研究了豎直下降管內含有空氣的蒸汽冷凝特性,獲得了不同壓力、不同空氣含和不同加熱功下,冷凝段的溫度分佈和局部熱密度的數據。
  10. ( 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 )超音速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 )修正後的霧化氣體速度公式可以滿足超音速霧化的要求; ( 3 )影響超音速霧化工藝最根本的因素有氣液質量流率比( 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 ,合金過熱度取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。
  11. Stationary source emissions - determination of concentration and mass flow rate of particulate material in gas - carrying ducts - manual gravimetric method

    固定源散發.含燃氣煙道中顆粒物濃度和質量流率的測定.人工重分析法
  12. Determination of the melt mass - flow rate and the melt volume - flow rate of thermoplastics

    熱塑性塑料熔體動速和熔體體積動速的測定
  13. Using numerical simulation method, detailed dynamic pressure variations, transient gas temperature and mass flow rate in the ptr, and the coefficient of performance of ptr and the exergy losses of all parts of ptr were obtained

    用數值模擬方法得到了製冷機內部各點的壓力、溫度、質量流率等參數的瞬時變化情況及整機的製冷系數,並得到了製冷機各部件的(火用)損失及整機的(火用)效
  14. According to the features of the signal of cmf, i. e. the signal frequency varies in a small range and the signal is subjected to the harmonics, a digital method based on a digital phase locked loop is used to process the signals of cmf, tracks the change of the signal frequency and calculates the phase difference. the technique proposed by the u. s. patent has been improved and made the simulation

    針對科里奧利計信號的特點,即信號頻在小范圍內變化和信號易受諧波干擾的特點,採用基於數字鎖相環的方法處理科氏計的信號,跟蹤信號頻的變化,計算相位差,對美國專利提出的方法進行了改進,並作了模擬。
  15. Moreover, the driving system is an important part of cmf. it supplies the driving force for flow tubes, and makes flow tubes oscillate at their natural frequency and the fixed amplitude. at the same time the oscillation frequency of the driving system can change with the natural frequency of flow tubes

    同時,驅動系統是科里奧利計的重要組成部分之一,它為管提供驅動力,使管以其固有頻和穩定的振幅振動,並且能夠跟隨管固有頻的變化而變化。
  16. In the industrial process the material in the hopper always contains some water. with the aid of liquid bridge model, dem ( discrete element method ) and mathematical models, this paper firstly simulates the flow of wet particles in a hopper to study the influence of liquid bridge on the flow patterns and flow rate

    針對這一情況,本文通過引入液橋力模型,結合離散顆粒法( dem ) ,首次用計算機模擬了料倉中濕顆粒的動,研究了液橋力對料倉內顆粒動形態以及質量流率的影響。
  17. 2. the investigation on the condensation heat transfer characteristics in a horizontal micro - fin tube for hc600a - oil mixture shows : a. the condensation heat transfer coefficient of the mixture increases with the increasing of the mass flux

    2 、關于hc600a含油混合物水平微肋管內的冷凝換熱特性的研究表明:混合物微肋管內冷凝平均換熱系數隨著質量流率的增加而增加。
  18. ( 2 ) the investigation on the condensation heat transfer characteristics in a horizontal micro - fin tube for hc290 - oil mixture shows : a ) the condensation heat transfer coefficient of the mixture increases with the increasing of the mass flux

    ( 2 )關于hc290含油混合物水平微肋管內的冷凝換熱特性的研究表明: a )隨著質量流率的增加,混合物微肋管內冷凝平均換熱系數增加。
  19. The research r esults show : comparing with dry granular flow, wet granular materials " flow rates reduce greatly

    模擬研究結果表明:與干顆粒的動相比,濕顆粒的質量流率大大降低。
  20. When the water content increases, the motion of small particles i s obstructed evidently, and the flow rate drops greatly. but the flow rate of big wet particles rises first drops afterwards

    在研究含水對顆粒質量流率的影響時發現:隨著含水的增加,小顆粒的運動明顯受阻,質量流率大大降低,而大顆粒的質量流率會出現一個先升后降的過程。
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