residence time 中文意思是什麼

residence time 解釋
居留時間
  • residence : n. 1. 居住,居留;駐在;居住期間;宅邸,公館;(權利等的)所在。2. (污染物質等在介質中的)留存,滯留。
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  1. The residence time of distribution and froth height in the downcomer were measured. the tracer used was 10 wt % sodium chloride solution. the residence time of distribution curves in a downcomer were measured by using the tracer technique

    所用示蹤劑是10 (質量百分比)的nacl溶液, rtd曲線採用了脈沖響應技術來測量,用計算機實時採集系統對數據進行採集。
  2. Sluice gate of double disk is controlled by electric - hydraulic handspike ; plc will compare sand temperature on outlet according to pre - designed value and inner sand temperature of double disk ; and then it adjusts close time of sluice gate, controls residence time of hot sand in double disk ; therefore, it can control sand temperature of outlet and make it reach required value.

    雙盤的卸砂門由電液推桿控制, plc根據預設的出口砂溫與實測的雙盤內砂溫進行對比,而調整卸砂門的關閉時間,控制熱砂在雙盤內的停留時間,進而控制雙盤出口砂溫使其達到要求。
  3. A multistage operation greatly narrows the residence time distribution and cut down this bypassing.

    多層操作可使停留時間分佈大大地變窄,並截斷短路。
  4. Debris injected during the autumn into the lower polar stratosphere may have a half-residence time of as little as 3 months.

    在秋季間進入低區平流層的碎片半停留期只有3個月。
  5. Acid residence time

    酸接觸時間
  6. Based on the analysis about the influences of the mixing time, the penetration ratio of injected powder and the residence time of injected powder in the bath on the desulphurization process, a mathematical model which taken these three parameters into account was developed to simulate the desulphurization rate of hot metal by co - injection of magnesium - cac2 mixture, and the coupling effect between magnesium and cac2 was discussed

    在具體分析熔池均混時間、粉劑穿透比及粉劑停留時間這3個基本參數對脫硫過程影響的基礎上,建立了能體現這3個參數影響的模擬鐵水噴吹鎂粒和碳化鈣復合粉劑脫硫處理的數學模型,並討論了兩種粉劑在脫硫過程中的耦合效果。
  7. Tar content in the gas was influenced by the gasification conditions, such as the gasification temperature, residence time of feedstock in the gasifier and the type of feedstock, which can help us to investigate the mechanism of tar production in gasification process. catalytic cracking of tar was performed in a downstream secondary fixed - bed cracker with dolomite, limestone and alumina brick as catalysts. by comparison, thermal cracking of tar was also performed with silica carbide

    在固定床二級催化裂化反應器上,實驗了白雲石、石灰石、高鋁磚等幾種催化劑作用下的焦油催化裂化過程以及炭化硅作用下的熱裂化過程,並對裂化溫度( 650 950 ) 、氣相停留時間( 0 . 5 1s )和催化劑類型等過程參數對焦油轉化效果和熱解煤氣的影響進行了分析,對各種催化劑材料的性能進行了比較,力爭開發出可適用於工業化生物質氣化系統的焦油催化裂化技術。
  8. The activated - sludge bioreactor was adopted to degrade the restaurant wastewater. the effects of the dissolved oxygen ( do ), the mean cell residence time ( c ) , the aeration time and the load of sludge on bioreactor were studied

    採用活性污泥生物反應器對餐飲廢水進行處理,考察了溶氧濃度、細胞平均停留時間、曝氣時間以及污泥負荷對反應器處理效果的影響。
  9. Abstract : by means of analysing the difference of fuel feature of organic solid wastes and coal , this paper discusses low pollution , low corrosion and high efficiency technology of organic solid waste incineration from several factors including controls of technology , temperature , residence time, air ratio and the use of the additives and flue gas

    文摘:通過分析固體有機廢物與煤的燃料特性的不同及其對燃燒的影響,從工藝控制,溫度控制,停留時間選擇,送風控制,添加劑以及煙氣循環使用等方面探討低污染、低腐蝕、高效固體有機廢物的焚燒技術。
  10. 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 。
  11. The results indicate that : purification efficiency of phenol was better of wetland soil in which was not reed - planted ; both the residence time of phenol in soil and the range of particle size affected the adsorption ability of wetland soil ; through changing soil infiltration and physicochemical properties of rhizosphere, reed can affect adsorption ability of wetland soil on phenol

    結果表明,未生長蘆葦的濕地土壤對苯酚具有較好的凈化效果;苯酚在土壤中滯留時間、土壤的粒徑范圍均影響濕地土壤對苯酚的吸附能力;蘆葦能改變土壤入滲率和根際土壤的理化性質,從而影響濕地土壤對苯酚的吸附能力。
  12. B ) the concept of ratio of conversion ; c ) effect of temperature and residence time on tar conversion ratio ; increasing the temperature and residence time is beneficial to tar cracking, and the effect is not evidence when t > 900c and > 1. 0s d ) effect of cracking temperature on the tar conversion ratio with sic ; e ) effect of different catalyst on the tar conversion ratio ; some catalyst was test in the experimental system and dolomite is a most promising one

    研究了生物質焦油含量隨熱解溫度和生物質原料的變化趨勢,提出了生物質焦油裂解率的概念、探討了不同條件(熱解溫度、停留時間)下熱裂解的效果和不同催化劑,不同反應條件下對焦油催化裂解效果的影響,催化劑在使用過程中由於積碳、中毒等原因會使得活性喪失,本文針對催化劑活性的喪失以及再生進行丁試驗研究和理論分析。
  13. Shorten melt residence time and melt temperature

    縮短熔化駐留時間和降低溫度
  14. Results hollow microspheres can increase gastric residence time ( grt ) and bioaviability of the oral drugs

    結果該劑型可以延長藥物在胃內的滯留時間,改善藥物吸收,從而提高生物利用度。
  15. In this paper. flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is studied. according to characteristic analysis, the model of completely mixing reactor in series is introduced to characterize real reactor as a theoretical model. on the basis of analog computing analysis and discussion of theoretical model. by means of pulse tracer method, experiments on residence time distribution ( rtd ) have been done in different conditions including the change of tracer level, feeding flow rate and circulation flow rate. the result shows when the ratio of circulation flow rate and feeding flow rate amounts to at least 4, the flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is very close to the model of completely mixing reactor in series. an amendatory model has been established by the regression method

    作者首先在對反應器進行特徵分析的基礎上,建立了描述中試規模多級外循環流化床生物反應器流動特性的串級全混流模型,並對理論模型進行了模擬計算分析和討論,在此基礎上,作者分別在無循環和有循環(改變示蹤劑用量、流加流量和循環流量)的條件下,利用脈沖示蹤法對一到五級串聯外循環流化床反應器進行了停留時間分佈實驗,結果表明,在循環流量與流加流量的比值達到大於等於4時,中試規模多級外循環流化床反應器的流動特性接近串級全混流模型,通過數據回歸擬合的方法,建立了中試規模一到五級串聯外循環流化床反應器的流動模型。
  16. Model calculation indicated that the residence time of particles differed greatly from that of gas product, so product distribution from pyrolysis was significantly affected

    模型的計算結果表明,原料粒子和產物氣體在反應器內的停留時間有較大的區別,其變化情況對裂解產物的分佈有很大影響。
  17. On the basis of the mathematical model, the equations of residence time were derived, and it was simulated by vb program

    摘要建立了顆粒物料在轉筒乾燥器內運動的數學模型,推導出了滯留時間的計算公式,用vb語言編制了計算程序。
  18. Effect of residence time on tar catalytic cracking behavior with calcium oxide

    停留時間對氧化鈣催化裂解焦油的影響
  19. Pal activity decreased and isoflavones content increased in the late period of seed development, this might be caused by residence time of isoflavones accumulating. it is necessary to make further study

    在種子發育進程中,種子和葉片中pal活性都呈先上升後下降的趨勢,到開花后第39天達到最大值,而後下降。
  20. Atmospheric residence time

    在大氣中停留時間
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