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- In the condensation heat transfer process, the presence of noncondensable gas greatly deteriorates the heat transfer efficiency. 蒸汽冷凝传热中,不凝气的存在将导致传热过程的严重恶化,所以研究不凝气对冷凝传热的影响,历来受到重视。
- The mechanism of heat transfer enhancement of forced convective condensation with noncondensable gas on spiral grooved tube with baffle rods has been analyzed. 结果表明，扰流圈能大大增加气液边界层的湍动强度，具有优越的强化传热、传质效果。
- Sharply decreasing heat-transfer coefficient, the high fractional noncondensable gas has significant effect on the condensation process in the dewvaporation desalination. 因此,研究含高分率不凝气的蒸汽冷凝传热问题,探索改善传热、提高传热系数的途径,是一个极具挑战性的课题。
- WANG Fei,MA Changwen,BO Jinhai,et al.Influence of noncondensable gas in the gas space on natural circulation flow boiling[J].Journal of Tsinghua University:Sci&Tech,1997,37(5):30-33(in Chinese). [3]王飞;马昌文;博金海;等.;气空间中不凝结气体对自然循环流动沸腾的影响[J]
- In this thesis,film condensation heat transfer is studied for a stagnant saturated vapor on a smooth and enhanced tube,and tube bundles in the presence of a noncondensable gas(air). 本文研究有不凝气体（空气）存在情况下，饱和静止蒸气在水平光滑单管，强化管以及管束上的膜状凝结换热问题。
- I'll refill my cigarette lighter with gas. 我将给打火机再灌满汽油。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- We are well served with gas in this town. 这个城镇煤气供应得很好。
- He cooks his meal with a gas stove. 他用煤气炉做饭。
- Results show that severe accumulations of noncondensable gases in condensers do accur,which hamper flow and deteriorate heat transfer. 对此提出了改进方案,即将抽气口处的挡板开口,从而将积聚的不凝结气体引出,通过数值计算证实该措施有效。
- Don't forget to drop by at the gas station. 别忘了到煤气站去看看。
- I was given gas when they pulled my tooth out. 给我拔牙时用了一氧化二氮。
- His long speech was nothing but gas and hot air. 他的长篇大论只是吹牛和空话。
- The gas main explode and set fire to the house. 煤气总管爆炸引起房子失火。
- A whole tankful of gas dropped away because of the tiny leak. 由于这个小小的漏洞，整整一油箱的汽油都漏光了。
- We finally drove up to a gas station. 我们最后驶近一加油站。
- Frank rented out his gas station. 弗兰克把他的加油站租了出去。
- Quick, turn off the gas;the milk will boil over. 快把煤气关掉，牛奶要溢了。
- The gas is stored under pressure in the tank. 该气体在压缩状态下贮存于罐中。
- Matter can exist as a solid, liquid, or gas. 物体存在的形态有固体，液体，气体。
