downcomer 中文意思是什麼
downcomer
解釋
下水管；落水管；下導管。-
Design of fixture for jointing downcomer hard pipe of mazida automobile
馬自達下水硬管焊接夾具的設計 -
The optimization of segmental downcomer of the ctst tray was also studied
實驗還對ctst塔板弓形降液管的優化進行了初步研究。 -
Material receiving inspection number and steel grade shall be stamped on the heads, shells and downcomer nozzles
封頭、筒體和集中下降管管座上必須打上工廠的材料檢驗編號和鋼號。 -
In moist season, millipede would in vade your home from downcomer and green belt around home. swarm millipedes would let you feel thrillingness
在潮濕的季節，千足蟲會從下水道和綠化地帶向您的工作、生活空間侵入，成群成片的數量會使您感到毛骨悚然。 -
In a transparent plexiglas column with inner diameter of 600mm, the comparison of downcomer capacities between ctst tray and fl valve tray were studied with the air - water and foaming systems
在600mm的透明有機玻璃塔中，採用空氣?水和易發泡物系，對兩種塔板的降液管操作能力進行了比較研究。 -
By transformation of the downcomer of the claus gas separator, methanol entrainment by claus gas is eliminated, the oil content in the methanol in the system reduced, and good economic benefit obtained
對克勞斯氣分離器降液管改造后，消除了克勞斯氣夾帶甲醇的現象，降低了系統甲醇中的油含量，取得了較好的經濟效益。 -
Or, if have the same operation loads, the downcomer size of ctst tray can be designed smaller than the fl valve tray. it was found that ctst plates have bigger operating capabilities than other traditional plates in coping with foaming systems
總之，在處理兩種物系，尤其是易發泡物系時， ctst與f1浮閥等傳統塔板比較，其降液管操作能力大得多。 -
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。 -
The dispersion model, with axial dispersion only was used to describe the liquid flow in the downcomer. the model parameters were fitted by the least - squares method. it was found that the curve of dispersion model fitted the experimental rtd curve well
本文利用一維軸向擴散模型對降液管中液體流動進行了數學描述，用時間域最小二乘法擬合了模型參數，模型方程所作曲線與rtd曲線吻合較好。 -
In addition, the hf in the downcomer of ctst plate is 110 ~ 150mm lower than that of fl valve plate. it was showed that making a comparison of two plates, the downcomer of ctst tray can cope with more operation loads with the same size downcomers
這說明相同大小的降液管， ctst塔板上的降液管可處理的操作負荷比浮閥塔板的要大；即若在相同的操作負荷下，在設計降液管時， ctst塔板的降液管尺寸可比浮閥塔板的小。 -
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 。 -
The experimental data showed that the hydrodynamics performance of the modified ctst tray was more preferable. in conclusion, either the comparison of the downcomer capacities between ctst tray and fl valve tray or the optimization of segmental downcomer of the tray is very important for further studies and improvements
總之，無論是對兩種塔板降液管操作能力的比較研究，還是對ctst塔板降液管的優化研究，都對ctst塔板性能的進一步深入研究以及這種塔板的進一步改進有著非常重要的意義。 -
For improving the flow manner on the plate, the downcomer apron was modified from straight shape to trapezoidal shape. the hydrodynamics performance of the modified ctst tray, for example, the pressure - drop of dry tray and wet tray, liquid weeping and vapor entrainment etc were measured
對優化后的塔板流體力學性能進行了測試，分別測量了不同氣液流量下的干板及濕板壓降、霧沫夾帶量和漏液量等數據，並與改造前的塔板流體力學性能進行了對比。 -
In dcs, configuration is used to accomplish the on - line calculation of main stress of the orifice of the drum ' s central downcomer. in mis, the client / server structure based on the database is adopted. the program in server pretreats the data from dcs and sends them to the database, while the programs in client accomplished the final treatment and displays the result
在dcs側，通過組態的方法，在不增加新測點的前提下實現了汽包集中下降管管孔處主應力的在線計算；在mis側，採用基於數據庫的客戶機/服務器結構，服務器端程序對從dcs系統來的數據進行初步的處理並存儲在oracle數據庫中，客戶機端程序完成數據的最終處理及結果的顯示
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