液面下降時間 的英文怎麼說

中文拼音 [yèmiànxiàjiàngshíjiān]
液面下降時間 英文
drawdown time
  • 液 : 名詞（液體） liquid; fluid; juice
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 下 : 下動詞1. （用在動詞后,表示由高處到低處） 2. （用在動詞后, 表示有空間, 能容納） 3. （用在動詞后, 表示動作的完成或結果）
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. With the increase of substrate salinity, the accumulated sodium and chloride increased. as a result, all tissues had considerablly lower osmotic potentials than that of the solution on which they were grown at 60 day after planting. changes in length, dry weight, water content, ion concentrations, osomotic potential, ion content of hypocotyls during culture indicated that viviparous hypocotyls not only afforded nutrition for seedling growth, but also reserved ions, thus charged the balance of ion concentration and osmotic potential of the seedling

    鹽脅迫下幼苗單株葉面積下降的程度大於光合速率的降低，葉面積的減小是導致減產的主要原因；木欖幼苗各組分中的離子濃度以及含量隨栽培時間而變化；栽培初期剛萌根時，幼苗原胚軸中的離子滲漏到培養液中；此後隨著根系的發育以及芽的生長，幼苗轉為從培養液中吸收離子，並以吸收na 、 cl離子為主。
  2. The effect of gas rates, liquid flow - rates, downcomer width, weir height and the addition of surface active agent on the liquid mean residence time, t, effective diffusion coefficient, de, and froth height, hf were studied. results obtained showed that for two systems, the t in the downcomer of ctst plate is 20 - 50 % smaller than that of fl valve plate, and the de is 40 - 70 % smaller than that of fl valve plate

    通過對氣速、液體流量、降液管寬度、堰高和表面活性劑加入的影響進行分析得出下面結論：在相同的操作條件下，對于兩種物系， ctst塔板降液管的液體停留時間比f1浮閥塔板的約小20 50 ，有效擴散系數比f1浮閥塔板的小40 70 ，泡沫高度低110 150mm 。
  3. The study results indicated that, arranged in the order of magnitude, the degrees of the effects on the cementing strengths of the two interfaces were the system, emulsion, main emulsifier, fluid loss control agent and white oil respectively ; the cementing strength would be doubled and redoubled after being cleaned by preflush, especially by the system, emulsion and fluid loss control agent ; and, along with the increase in the mix slurry ratio, the initial and final set times of slurry would be obviously lengthened and the compressive strength of bond cement would be remarkably reduced or the slurry wouldn ' t be even set

    研究表明：對兩界面膠結強度的影響由大到小依次是體系、乳狀液、主乳化劑、降濾失劑、白油；前置液清洗后，膠結強度成倍提高，尤其對體系、乳狀液和降濾失劑清洗效果最佳；隨混漿比的增大，水泥漿初凝和終凝時間明顯延長，水泥石抗壓強度明顯下降，甚至不凝。
  4. The common method used by domestic and foreign scientists is removing the cobalt from the surface of the substrate by etching substrate using thin acid solution at room temperature. but the internal co will still overflow during mpcvd

    為降低成核及成膜過程中鈷的副作用，國內外通常採用的方法是將硬質合金基體在室溫下用稀酸溶液浸泡一定時間，從而除去基體表面的鈷。
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