質量比 的英文怎麼說

中文拼音 [zhíliángbǐ]
質量比 英文
mass ratio質量比流量 mass flowrate
  • 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
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 量比 : fnc
  1. The heat insulation quality is much better than the standard glass fa ? ade

    隔熱質量比普通幕墻立面要高很多。
  2. Electroosmosis technology can solve the problem of high water cement ratio during construction and low water cement ratio during solidification effectively so that have expansive application prospect

    結論電滲濾水混凝土技術能有效地解決混凝土的大水灰質量比施工、小水灰質量比固化的矛盾，有重要學術價值和廣闊的應用前景。
  3. Utilizing the electric double layer produced by hydration of cement to gather in superfluous water at negative electrode and reduce the water cement ratio of solidification by using electroosmosis technology

    方法採用電滲技術，利用水泥水化產生的雙電層的導電性能，使混凝土中的多餘水分向陰極聚集，以減少混凝土的凝結水灰質量比。
  4. 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。
  5. 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。
  6. 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 。
  7. 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。
  8. The highest density and the low resistivity and the best magnetostriction in a composite rod were obtained when the proportion of binder to powders " weight is 4 : 100

    膠與磁性粉末的質量比為4 ： 100時，粘結體的密度最高，電阻率最低，磁致伸縮性能最佳。
  9. How fast an object revolves depends on how much matter inside its orbit. if all the matters are visible, the orbital velocities of stars, say, near the edge of our galaxy will follow the red line below. however, we discovered that they are moving faster than expected, hence there must be more matters than we have seen

    天體的公轉速度，取決于在它軌道內的物質的總質量，如果所有物質都是看得見的，那麼繞著銀河系旋轉的軌道，理應如紅線所示，但是天文學家卻發覺它們比想像中走得更快，暗示銀河系的質量比所見的大。
  10. A lot of experiments have been done in the process of exploiture soft packaging li - ion battery about how to choice the rational arts and crafts. the content include : how to deal with the collector, add how much pvdf in the material, how long the material need to stirring and the right viscidity, how much condubtivity agent the electrode need, what theckness is best, choice different collectors, the degree of dryness of the electrode, theckness of pressed model, how much electrolyte will be added, placement how long after added the electrolyte, system of formation how to influnce the battery, in formation the battery need or not need preesure from outside, how to vacuumize and the optimize matching positive pole and negative pole. with these practice make sure the parameter of the positive pole should less than 90 m ; according to different vacuumize order the conduc - tivity agent in anode will be 5mass % and 9mass %, respectively, and in cathode the data is 2mass % ; every 100mah added to 0. 4 ml electrolyte ; before formation the battery should be placement 8 hours and the system of formation must be less than 0. 01c before the voltage reach to 3. 0v ; should press in outside when battery in formation ; to these batteries which capacity more than 350mah the vacuum time not excess 15s ; the optimize matching positive pole and negative pole between 2. 10 : 1 and 2. 15 : 1. finally make out the battery which cycling performance and security are all very well

    液態軟包裝鋰離子電池的研究主要是對關鍵工藝進行了優化設計，具體包括:集流體的處理、 pvdf的加入量、漿料攪拌時間和粘度、導電劑的加入量、電極膜的厚度、不同集流體的選擇、電極膜的乾燥程度、壓型的厚度、電解液的加入量、注入電解液后靜置時間的長短、化成制度的影響、化成時電池所具有的壓力影響、抽真空的處理、正負極活性物質的匹配。最後確定出液態軟包裝鋰離子電池最佳工藝參數:正極膜的厚度小於90 m ;根據化成時不同抽真空順序，確定正極膜中的導電劑的加入量分別為5mass %和9mass % ;負極膜中導電劑的加入量為2mass % ;電解液的加入量為每100mah添加0 . 4ml ;化成前電池的靜置時間應當大於8h ;電池在3 . 0v之前採用小於0 . 01c的化成制度;在化成過程中應當施加一定的外部壓力;對於350mah的電池抽真空的延時不應大於15s ;而正負極活性物質的質量比應當在2 . 1 : 1 2 . 15 : 1之間。
  11. I do not think the quality of lining ' s product is worse than nike or reebok

    我不覺得李寧鞋的質量比耐克或者銳步差。
  12. Its capacitance decreases under large discharge current, because anthracite - based hsaac has too many micropores and low transport speed of solvated ions in electrolytes

    Gg無煙煤基hsaac在有機電解液中的質量比電容明顯小於其在水系電解液中的質。
  13. Lithium metal is one of the electrode materials those have the highest specific mass energy, and the lithium secondary battery with lithium metal anode always attracts people ’ s attentions. whileas, before the commodity of lithium secondary battery, it is the dissatisfactory cycleability and safety of lithium metal anode that must be resolved firstly

    金屬鋰是目前已知的質量比能量最高的電極材料之一，以金屬鋰作為負極材料的鋰二次電池長期受到人們的關注，但在其商品化之前，必須解決金屬鋰負極在循環性能和安全性能上的不足。
  14. The results show that : nano - nickel powder is not useful for mh electrode during the high rate discharge phase as a conductor or additive ; superfine nickel powder is applicable for the conductor of the negative because of the good performance especially the cyclic stability at 1c rate by using 5 % ( mass percentage ) nickel powder ; the utilization of alloy, specific mass and volume capacity are increased with the decreased particle size of nickel powder in negative, however, the capacity fading rate at 1c discharge rate is also increased, so the capacity and the cyclic stability should be taken into account to make a choice of the particle size

    結果表明： mh電極中加入納米鎳粉對負極的大電流放電性能不利。 mh電極中加入超細鎳粉后電極綜合性能好，尤其是1c循環穩定性，其最佳添加量為5wt 。減小鎳粉粒度提高了電極合金利用率、質量比容量、體積比容量，但增大了負極1c容量衰減率，因此鎳粉粒度的選擇應綜合考慮mh電極容量和循環穩定性。
  15. Investigation on quality of life to third degree hospital ' s nurses

    三級醫院不同科室護士生活質量比較
  16. It is very important for minutia extraction in afit ( automatic fingerprint identification technology ) based on minutia matching. the fingerprint image always has much noise and can not be adapted to extract minutia directly, so pre - processing of fingerprint image to get a point - line image is an important part of afit domain

    細節特徵點的準確提取在基於細節特徵點匹配的自動指紋識別技術中十分重要，然而由於各種噪聲的影響，使得所採集的指紋圖像質量比較差，並不適合直接用來提取細節特徵點，所以對指紋圖像進行預處理以獲得清晰的點線圖是自動指紋識別研究領域的一個重要組成部分。
  17. The optimum conditions for air electrode preparation were shown as follow : 20 % ptfe and 20 % mno2 in active layer, thickness of active layer 0. 15 - 0. 25mm and the ratio of active carbon to ethine black 4 : 1 ; 60 % ptfe in the gas diffusion and waterproof layer, employing na2so4 as pore - making agents, thickness 0. 35 - 0. 45mm, colding forming and layer sequence catlytic layer / gas diffusion and waterproof layer / current collector layout ; employing 40 meshed nickel screen as current collector and thermal treatment temperature over 200

    確定了制備空氣電極的優化工藝條件，催化層中ptfe含量約20 ， mno _ 2的最佳含量約為20 ，催化層中活性炭和乙炔黑的比例為4 ： 1 （質量比） ，厚度在0 . 15 - 0 . 25mm之間。防水透氣層中ptfe的含量約為60 ，以無水硫酸鈉作為造孔劑，厚度一般為0 . 35 - 0 . 45mm 。電極各層採用催化層/防水透氣層/集流體的排布方式，冷壓成型，熱處理對空氣電極的性能影響較大，熱處理溫度不低於200 。
  18. 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。
  19. The other was to research new li - al solid solution alloy material and use it as anode in lithium battery. by the trace alloy component, aluminum, doping in lithium metal, it was hoped to improve the sei film stability of lithium / electrolyte interface and consequentially enhance the performances of lithium anode. meanwhile, different form the previously studied lial alloy that had very high content of aluminum, such alloy should not decrease the mass specific energy and electrochemical potential of lithium electrode

    方法二:研究新型鋰鋁固溶體合金材料並將其應用於鋰二次電池中，通過微量合金成份鋁的摻雜提高鋰電極/電解質界面sei膜的穩定性，進而提高鋰負極性能;而該合金不會像以往高鋁含量的鋰鋁合金那樣降低鋰電極的質量比能量和電化學反應電勢。
  20. The main factors which affected the flight stability quality included : forward flight speed, slung - load and helicopter mass ration, slung - load aerodynamic forces and cable length, etc. through adjusting the above structure and performance parameters, rational flight parameters can be decided, which can ensure the safe helicopter mission operations of the slung - load flight

    影響飛行品質穩定性要求的主要因素為:直升機飛行速度、吊掛物/直升機質量比、吊掛物氣動特性、吊掛鋼索長度等。通過對上述結構參數、性能參數的調節，可確定合理、經濟的飛行參數，保證安全、高效的完成直升機機外吊掛飛行運輸任務。
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