質量分率 的英文怎麼說

中文拼音 [zhíliángfēnlǜ]
質量分率 英文
mass fraction
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 率 : 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. This paper takes mobile engineering department equipment management of daqing petrochemical parent company as an example, and studies the design and application of equipment management system of daqing petrochemical parent company, for the implement of computerizing the equipment entire process management with the equipment management system and completing the synthesis management, the records management, the expense management, the fixed asset management, the specialized management and the information management with the computer system and making in the manual management some qualitative and stochastic ingredients transforming into the quantitative standard management. so it guarantees that we can perform advanced predicting management in the entire process of the matter movement and the value movement of equipment and complete the equipment servicing transition from the compulsory servicing and afterwards servicing to the preventive servicing, improving work quality, efficiency and modernized degree which the equipment manages and assisting enterprise ’ s equipment management decision - making and the whole realization of management goal and enhancing the enterprise ’ s interior equipment utilization and realizing its maximum profit

    本文以大慶石化總廠機動工程部的設備管理為例，對大慶石化總廠設備管理系統的設計與應用進行研究，旨在通過設備管理系統實現設備全過程管理計算機化，由計算機系統來完成設備的綜合管理、檔案管理、費用管理、固定資產管理、專業管理及信息管理，使人工管理中一些定性的、隨機的成分轉變為定量的規范的管理，保證大慶石化總廠對設備的物質運動和價值運動的全過程實行先進的可預知性管理，並逐漸將設備維修從目前的以強制性維修及事後維修為主過渡到以預防性維修為主，提高設備管理的工作質量、效率和現代化程度，輔助企業的設備管理工作決策及經營管理目標的整體實現，提高大慶石化總廠內部設備的利用率及實現其最大的經濟效益。
  2. With phosphato - tungstic acid as catalyst and phosphoric acid as dehydrant, n - phenylmaleimide was prepared from aniline and maleic anhydride by two - step method. the yield was 88. 7 % and the purity was 98. 2 %

    以順酐和苯胺為原料，磷鎢酸作催化劑，磷酸作脫水劑，採用兩步法制得n -苯基馬來酰亞胺，得到最佳反應工藝條件，產品收率為88 . 7 % ，純度為98 . 2 % （質量分數） 。
  3. In order to obtain higher and stable vermicularity, it ' s necessary to keep the sulphur content of the base iron melt in the range of 0. 01 ~ 0. 03 % by desulphurizing treatment in ladle, adopt cored wire injection vermicularizing process and strict test and control measures

    國外為獲得高蠕化率，一般採用爐外脫硫，使原鐵液硫量（質量分數）穩定在0 . 01 % ~ 0 . 03 % ，並採用喂絲蠕化處理法和嚴格的檢測手段。
  4. Quality classifing standard for frequency counter

    頻率計數器質量分等標準
  5. We can get many physical parameters through indicator diagram acquired in the experiment. such as indicator work, mean indicated pressure, maximal pressure and corresponding crank angle, maximal rate of pressure rise and corresponding crank angle and mass fraction burned, heat release rate, etc. these physical parameters can analyze and show primary in - cylinder combustion process in engine

    通過實測的示功圖，經過計算整理可以獲得諸如指示功、平均指示壓力、最高燃燒壓力及其對應曲軸轉角、最高壓力升高率及其對應曲軸轉角、已燃質量分數、燃燒放熱率等物理量，可供進一步分析和揭示發動機缸內燃燒過程。
  6. Comparing to the traditional production technology, the new methanol synthesis process has many advantages which are as follows, high conversion of synthesis - gas per pass, high methanol concentration at reactor exit, isothermal temperature in slurry bed, easy temperature control, simple heat exchanging, excellent technology economy characters and so on. so it becomes a new technology for methanol production that has great industry application

    與傳統生產工藝相比，三相淤漿床甲醇合成工藝具有單程轉化率高，出口甲醇質量分數高；床層等溫，反應條件優良；溫度易於控制，換熱簡單；生產的技術經濟指標優良等特點，因此成為一種應用前景非常廣闊的新興甲醇生產新技術1 。
  7. Abstract : the effects of sodium hydroxide concentration and chlorination temperature on effective chlorine content of calcium hypochlorite were tested. the effects of mesh number of standard sieve on effective chlorine content of calcium hypochlorite were tested. the retrieval technology of effective chlorine in mother liquor of calcium hypochlorite was researched, and the effects of cycle number on effective chlorine content of calcium hypochlorite were tested. the results indicate that when sodium hydroxide concentration is 333. 3 g / l, and chlorination temperature is 20, the effective chlorine content of calcium hypochlorite is highest, that when mesh number of standard sieve is 180 mesh, the effective chlorine content of calcium hypochlorite is higher, but the passing sieve rate is not too low, that the cycle number has no remarkable effect on the effective chlorine content of calcium hypochlorite, and the effective chlorine content of calcium hypochlorite is basically above 80 %

    文摘:測試了燒堿質量分數和氯化溫度對漂粉精有效氯含量的影響，測試了分鹽用標準篩目數對漂粉精有效氯含量和過篩率的影響.研究了漂粉精母液中有效氯的回用工藝流程，並測試了循環次數對漂粉精有效氯含量的影響.結果表明，燒堿質量分數為25 、氯化溫度為20時，漂粉精的有效氯含量最高；標準篩目數為180目時，漂粉精的有效氯含量較高而過篩率不太低；循環次數對漂粉精有效氯含量沒有顯著影響，並且漂粉精有效氯含量基本上可以達到80以上
  8. The effects of sodium hydroxide concentration and chlorination temperature on effective chlorine content of calcium hypochlorite were tested. the effects of mesh number of standard sieve on effective chlorine content of calcium hypochlorite were tested. the retrieval technology of effective chlorine in mother liquor of calcium hypochlorite was researched, and the effects of cycle number on effective chlorine content of calcium hypochlorite were tested. the results indicate that when sodium hydroxide concentration is 333. 3 g / l, and chlorination temperature is 20, the effective chlorine content of calcium hypochlorite is highest, that when mesh number of standard sieve is 180 mesh, the effective chlorine content of calcium hypochlorite is higher, but the passing sieve rate is not too low, that the cycle number has no remarkable effect on the effective chlorine content of calcium hypochlorite, and the effective chlorine content of calcium hypochlorite is basically above 80 %

    測試了燒堿質量分數和氯化溫度對漂粉精有效氯含量的影響，測試了分鹽用標準篩目數對漂粉精有效氯含量和過篩率的影響.研究了漂粉精母液中有效氯的回用工藝流程，並測試了循環次數對漂粉精有效氯含量的影響.結果表明，燒堿質量分數為25 、氯化溫度為20時，漂粉精的有效氯含量最高；標準篩目數為180目時，漂粉精的有效氯含量較高而過篩率不太低；循環次數對漂粉精有效氯含量沒有顯著影響，並且漂粉精有效氯含量基本上可以達到80以上
  9. The convective term is solved by ausm + ( a sequel to ausm which means " the advection upstream splitting method " ). the 7 species 8 steps model and 7 species 7 steps model of hydrogen / air is used in the hydrogen reacting flowfield, the 9 species 5 steps model of methane, the 10 species 10 steps model of ethane and the 10 species 13 steps model of kerosene are used in the hydrocarbon reacting flowfield, the results of the distributions of velocity, mach number, pressure, static temperature, total temperature, species mass fraction and the combustion efficiency are gained, and the numerical results of the pressure of hydrogen and methane are compared with those of the experiment

    計算中通量項採用ausm +通量分裂格式，氫反應流場採用氫/空氣的七組元八方程模型和七組元七方程模型，碳氫反應流場採用甲烷的九組元五方程模型、乙烯的十組元十方程模型和煤油的十組元十三方程模型，得出了超燃發動機燃燒室流場的速度、馬赫數、壓力、靜溫、總溫和組元質量分數分佈及燃燒效率等性能參數，其中氫和甲烷的計算壓力分佈與實驗結果進行了比較。
  10. 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，測量獲得了其工作推力、電弧電壓和電流、推進劑流率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、推力效率、推力/功率比以及比功率等性能參數，分析了推進劑質量流率、電弧功率、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率電弧加熱發動機優化設計及研製提供了實驗基礎。
  11. The density, viscosity, refractive index, molecular weight and sulfur amount of the fractions are on the increase with the increasing cumulative yield, while their molecular weight exhibits a narrow distribution from 300 to 400

    研究表明，隨累積萃取收率的增加，大慶和遼河油漿窄餾分的密度、粘度、折光率、硫含量及芳碳率呈增大趨勢，油漿窄餾分的相對分子質量分佈較窄（ 300 ~ 400 ） 。
  12. The subsystem of the casting foresee and analysis established the mathematical model of the quantitative linear regression analysis for the compacted graphite cast iron defects. it provided guarantee for predication and control of casting defective index within permissive ranges

    鑄件質量分析及預測子系統建立了蠕墨鑄鐵件缺陷定量分析的線性回歸分析數學模型，為預測及控制缺陷廢品率在規定范圍內提供保證。
  13. The number density distribution of globular cluster in space will change with time due to the dynamic evolution, especially for those in the central region of the galaxy ; 5. for the power law initial cluster mass function, the peak value of the mass function after the dynamic evolution is sensitive to the lower limit of the initial mass function we adopt. the suggested value in this paper is - 104m, which is consistent with that reduced from the dynamical analyses for the giant molecular clouds

    對于冪率的初始質量譜，球狀星團系統動力學演化后質量分佈的轉折點質量主要是由初始質量函數的質量下限決定的，最為適合的值為10 ~ 4m _ ；冪率的初始質量譜的譜指數對球狀星團系統動力學演化后質量分佈的轉折點質量也有影響，其最佳值為1 . 5 2 . 0 ；經過大約5gyr的動力學演化，冪率的初始質量譜就會演化成為高斯的對數質量分佈並具有在隨后的動力學演化中保持對數高斯形式質量分佈的特性。
  14. Comparing with the current observations, which include the number density distribution in space, mass function, etc., the so - called standard modes for both the power law and gaussian cluster initial mass functions are selected among many runs of simulations. the deviation from the standard modes, which is resulted from the change of the parameter for the initial conditions, is discussed in detail. the discussion of the model parameters is also presented although they are adopted as the typical values based on previous work

    對應一定的初始分佈我們發現無論是冪律的還是對數高斯的球狀星團初始質量譜經過長時間的動力學演化都會得到和現在銀河系觀測到的球狀星團系統相符的對數高斯的質量分佈；動力學演化會明顯地改變球狀星團系統的空間密度分佈，靠近銀心區域的球狀星團瓦解得更多；經過動力學演化后的球狀星團速度分佈函數在靠近銀心的區域明顯得不同於初始分佈，初始擁有較大軌道偏心率的球狀星團更容易瓦解。
  15. ( 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流場在導液管下端形成一個倒渦流錐，在二維空間上呈軸對稱的雙峰分佈，負壓形成於這個倒渦流錐內； （ 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、霧化氣體流量和倒渦流錐范圍，三個因素的值越大，對形成細粉越有利； （ 4 ）在焊錫合金為zhl63a ，霧化介質微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率、顆粒球形度、粒度及其離散度三個方面綜合性能最好。
  16. 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質濃度和質量流率的測定.人工重量分析法
  17. That is, in order to obtain a satisfied communication quality, in every group of beforehand setting channel, by means of link quality analysis ( lqa ) during two side ' s calling, answering and recognizing period, every channel will be arranged in prior order, the best communication channel can be found automatically, and the link can be set in the best frequency so as to raise the level anti - interference, and ensure our army ' s ability in fighting

    即為了獲得滿意的通信質量，在預置的各組頻道中，通過雙方的呼叫、應答和確認過程，利用鏈路質量分析（ lqa ） ，自動對電臺所預置的若干個頻率進行線路質量分析，將各頻道按優先排隊，從而自動找出當時最佳通信頻道，並在最佳頻率上建立鏈路，提高抗干擾能力，保障我軍的指揮作戰能力。
  18. Testing of liquid fuels ; determination of the vanadium and nickel content with a mass fraction 1 mg kg ; determination by atomic absorption spectrometry after incineration

    液體燃料檢驗.質量分率大於1 mg kg的釩和鎳含量的
  19. Grading standard of quelity for frequency converter used in cabled distribution systems primarily intended for sound and television signals operating between 30mhz and 1ghz

    30mhz 1ghz聲音和電視信號的電纜分配系統頻率變換器質量分等標準
  20. Standard test method for trace metallic impurities in electronic grade aluminum by high mass - resolution glow - discharge mass spectrometer

    應用高質量分辯率輝光放電質譜計測定電子級鋁中微量金屬雜質的標準試驗方法
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