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1.Abstract: In the internal circulating fluidized bed,there exist the moving zone,fluidizing zone and heat transferring zone with different fluidized air velocities.The convection heat transfer coefficient of immersed tube in the heat transferring zone is impacted by the velocity of the moving zone nearby and its data and change trend are obviously different with those of the common bubbling bed.The maximum heat transfer coefficient is evidently higher than that of the bubbling bed.As the bed materials have not been fluidized in the heat transfer zone,the coefficient has increased highly.The curve of that changes gently,feasilble to control the combustion intensity in the fluidizing zone.
文摘:垃圾焚烧系统中,内旋流流化床存在不同布风速度移动区、流动区和换热区,处于换热区埋管对流换热系数受附近流动区气流参数影响,其变化趋势及数值大小与普通鼓泡型流化床之间有明显不同:最大对流换热系数明显高于鼓泡床;换热区尚未流化时,对流换热系数已经大幅提高;整条换热曲线变化比较平缓,易于流化床浓相床内换热。收藏指正
1.I plan to put together two 30-second prime-time TV commercial. We`ll begin with a slow-moving shot of the crowds. Then we`ll come in on a close-up of our main stress. She will be drinking our sky beer and the rest of the crowd will be moving in towards he
我打算策划两个30秒广告在电视黄金时间播出.我们可以首先用一个缓慢移动人群镜头.然后推入我们女主角特写.她喝着一瓶天空牌啤酒.其他人向着她一动.我打算用产品这个镜头结束.伴随广告妙语是"请相信我们".
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2.Really? But I have been using the number of China Mobile. I found it more convenient with strong signal.
?我一直用中国移动号码。我觉得强劲信号更加方便。
查看全文 ——来源分类:校园英语
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