mass ratio 中文意思是什麼

mass ratio 解釋
相對質量
  • mass : n 彌撒；彌撒的儀式[禱告、音樂]；彌撒曲。 a high [solemn] Mass （有燒香、奏樂等的）大彌撒。 a low ...
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  1. On the basis of deep research about the history and development of electrostatic atomization, the relation among the effectiveness of liquid electrostatic atomization, the liquid carrying charges and its ’ charge to mass ratio has been given in this paper

    本文在深入了解液體靜電霧化研究歷史和研究現狀的基礎上，總結出液體靜電霧化與液體的荷電和液滴的荷質比間的關系。
  2. The energy equipartition time is longer than the interparticle collision time by the mass ratio of proton and electron.

    由於質子與電子的質量比很大，能量平衡時間比粒子間碰撞時間長。
  3. The swine manure was mixed with two kinds of anaerobic activated sludge at the mass ratio of 3 : 1 : 1 and the mixture was used as inoculum in the batch experiment

    將豬糞與兩種厭氧污泥按質量比3 : 1 : 1混合作為接種物，試驗了纖維素、葡萄糖和乙酸作為磷酸鹽還原反應電子供體的可行性。
  4. Through orthogonal design experiments on synthesizing p - tert - butylcstechol from hydroquinone and isobutylene by using a new catalyst prepared from cobalt naphthenate and zinc chloride, the optimum technology parameters were obtained : mole ratio was 1 : 1. 15 for hydroquinone and isobutylene, mass ratio was 100 : 20 for hydroquinone and catalyst, and the reaction temperature was 100 5

    摘要用環烷酸鈷與氯化鋅復配的新型催化劑，以鄰苯二酚、異丁烯為原料合成對叔丁基鄰苯二酚，通過正交實驗確定的較佳工藝參數為：鄰苯二酚：異丁烯（物質的量比） 1 : 1 . 15 ，鄰苯二酚：催化劑（質量比） 100 : 20 ，烷基化反應溫度100 5 。
  5. It shows that the modal shape and mode frequency are highly coupled with the viv response of a marine riser with low mass ratio

    該模型的計算結果表明，立管的模態振型、模態頻率與渦激振動響應高度耦合，並且對于低質量比的情況尤為明顯。
  6. By analysing the experimental principle of zeeman effect in document [ 1 ], it is pointed out in this paper that the experiment content about the measurement of the charge - mass ratio of electron in document [ 1 ] is improper

    本文通過對文獻[ 1 ]關于塞曼效應實驗原理的分析，指出了其實驗內容之測電子荷質比的不當之處
  7. The positions of certain wavelengths in both cases depend on the proton - to - electron mass ratio

    他們發現，在這兩個觀測結果中，特定波長的位置會隨著質子對電子的質量比而改變。
  8. In order to look for the key factors governing fluidization characteristics in the dense phase pulverized powder feeder, the effects of the different operating conditions and the geometrical variables on the mass ratio of powder and gas and the stable conveying time of the system were investigated in the self - developed special dense phase powder conveying test - bed

    摘要為了尋找影響濃相粉體給料器流化特性的關鍵因素，在自行設計的專用小型濃相粉體輸送試驗臺上，考察了不同操作參數和結構參數對輸送固氣質量比和穩定給粉時間的影響，總結了各因素對流化質量的影響規律。
  9. The results showed that the fluidization air velocity was the most important factor for the average mass ratio of powder and gas in the conveying, and that the least important was the agitator vertical height

    試驗結果表明，對于平均輸送固氣質量比，流化風速的影響最大，攪拌棒提升高度的影響最小。
  10. The influence of monomer mass ratio, reaction temperature, reaction time, emulsifying agent content and mixing speed on polycarboxylic acid type waterproofing agent were studied in this article

    本文研究了單體質量比、皂化反應溫度、皂化反應時間、乳化劑摻量、攪拌速度等工藝參數對多元羧酸系防水劑性能的影響。
  11. The dvb / hpso and vpso / hpso with a mass ratio of 0. 5 : 1 and 4 : 1, respectively, have the highest ceramic yield ( 76. 0 % and 74. 6 %, respectively ). the cured dvb / hpso and vpso / hpso are both colorless transparent hard solids

    兩個體系第二階段的活化能分別為339 . 89kj / mol和484 . 76kj / mol ，都遵循拋物線法則，由一維擴散過程式控制制裂解反應。
  12. Results show that self - crosslinkable latex at room temperature with high elasticity can be prepared when amount of butyl acrylate is 60 %, and amount of methyl methacrylate is 40 %, and mass ratio of nonionic emulsifier to anionic emulsifer is 3 : 1, and amount of initiator is 0. 6 %, and amount of self - crosslinkable monomer and protective colloid is 2 % and 0. 4 % respectively

    研究結果表明：當丙烯酸丁酯的質量為60 % ，甲基丙烯酸甲酯的質量為40 % ，非離子乳化劑和陰離子乳化劑的質量配比為3 : 1 ，引發劑的質量為0 . 6 % ，自交聯單體的質量為2 % ，保護膠體的質量為0 . 4 %時，可以制備出高彈性自交聯乳液。
  13. The influence of different technological conditions including ph. mass ratio of gelation, the time of gelation, as well as the hardening time on yields of microcapsulation the efficiency of encapsulation were studied respectively. the microencapsulation condition were also optimized

    採用光學顯微鏡、 tem 、 sem 、激光粒度分析儀研究了微膠囊的表面形態、包覆效果和粒徑分佈；採用tg和dsc研究了微膠囊的熱穩定性和儲熱調溫效果。
  14. So far as the mixing material for building the earth - rock fill dam with clay core for shiquanhe hydropower station is concerned, the effect from the variation of the sand content for the filter material on the maximum dry density and the relevant parameters are to be determined within the variation area of the mixing mass ratio of ( 46 ~ 54 ) : ( 54 ~ 46 ) through this experiment, due to the max, dry density is largely influenced by the mixing ratio of both the lifter material and the clay and the sand content of the filter material, so as to determine the actual filling compactness of the mixing material of the core

    摘要由於獅泉河水電站粘土心墻土石壩摻合料的最大幹密度受反濾料與粘土料的摻合比例、反濾料含砂率的影響較大，因此擬通過本試驗確定摻合質量比在（ 46 ~ 54 ） : （ 54 ~ 46 ）范圍變化時，反濾料含砂量變化對最大幹密度的影響程度及相關參數，從而確定心墻摻合料填築的實際壓實度。
  15. Aimed at some problems such as short spraying distance, electricity - leaking and reverse ionization among electrostatic nozzles existing in the country, a induction charging and pneumatic energy electrostatic nozzle was designed. the basic designing theories, structure and working process of this nozzles were theoretically specified in the paper. and then the atomization quality and charge performances of this nozzle and its affecting factors were studied by carrying out performance experiment and statistic analysis. result of the studies indicate : ( 1 ) some progress were made in solving the problems list above ; ( 2 ) from this nozzle, droplet were minute and uniform, and higher charge - mass ratio can be obtained under lower electrostatic voltage, thus the atomization quality and charge performance of this nozzle were both better ; ( 3 ) within the experiment extend, air pressure at 0. 2mpa, electrostatic voltage at 2400v were the most suitable parameters for the nozzle ; ( 4 ) the regression equations for describing droplet size, intensity of spray current and charge - mass ratio of this nozzle obtained from the experiment data had higher forecast precision ; ( 5 ) cross - effect of all factors were not significant, the atomization quality and charge performance were relative dependency affected by the factors

    諸試驗因素中，充電電壓和噴孔直徑對霧滴荷質比均有極顯著的影響；氣體壓力和液體流量對霧滴荷質比的影響均不顯著；影響霧滴荷質比的主要因素依次為充電電壓和噴孔直徑; （ 8 ）在300v 、 600v 、 1200y 、 1800y 、 2400v 、 3000v六種充電電壓t ，霧滴荷質比先隨充電電壓的增加而增大， 2400v后荷質比減小，推測:對于所研製的噴頭可能存在一個最佳充電電壓; （ 9 ）由充電電壓和噴孔直徑的不同搭配所得霧滴荷質比不同這一結果，可看出，較大充電電壓需配備較大噴孔直徑以增強霧滴荷電效果; （ 10 ） td3 . 6和td3 . 4兩噴頭的霧滴荷質比曲線趨于重合，說明噴孔直徑大於滬3
  16. It is not suitable for geodetic and geodynamic study, which requires a regular shape, small area - to - mass ratio, precise tracking capabilities resulting in cm orbit accuracy, negligible slew times and long operational life ( 10 - 15 years )

    後者要求衛星有較規則的外形、較小的面質比和較長的壽命，其定軌精度應達到與觀測精度相當的水平（好於幾cm ） 。
  17. The optimal preparing conditions were found to be as follows : the initial viscosity of cellulose xanthate ranging from 5, 000 to 8, 000 cst, the mixture of pump oil and chlorobenzene with a 6 : 1 mass ratio as disperse phase, the mass ratio of disperse phase to water phase at 6 : 1, the mixing speed at 350 ~ 400 rpm

    詳細研究了一些影響復合微球形成的因素，得到較優的工藝條件為：纖維素黃原酸酯粘膠粘度為5000 8000cst ，分散相為6 : 1 （ w w ）泵油和氯苯混合物，攪拌速度為350 400rpm 。
  18. Orthogonal tests of waterproof and gas diffusion were taken to option the mass ratio of composition, and meticulous tests of each factor were taken too. scanning electric microscope was used to observe the surface pattern. finally the best composition was found

    實驗以正交試驗的方式確定了防水透氣層組成並對單因素進行了考察，並用sem觀察表面形貌，最終確定防水透氣層組成活性碳、 ptfe 、造孔劑、乙炔黑的質量比為5 . 00 : 2 . 00 : 6 . 00 : 5 . 00 。
  19. 2. all the corresponding parameters of a. sylvestris were similar with c. smyrnioides in procreate period in april. but the parameters of root length, diameter of root, volume of root, leaf biomass, root biomass, total biomass, root mass ratio ( rmr ) and sla had the maximal value in moderate treatment in vegetative period in january

    峨參的相應生長參數在4月生殖生長期與明黨參隨土壤水分的變化趨勢相似；但在1月份的營養生長期，根長、根粗、根體積、葉生物量、根生物量、總生物量、 rmr和sla均以中度水分條件最大。
  20. Among different movement mode of moving mass, the influence of lateral displacement of the moving mass on the attitude motion of the re - entry vehicle is discussed, the effect of different moving mass ratio and axis position imposing on the attitude of the reentry vehicle is also studied

    本論文詳細地分析了影響系統姿態的因素，研究了在不同的質量體運動形式下，活動質量體的橫向偏移量、質量比、和軸向位置對姿態動力學響應的影響。
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