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- A vibration bed rig with gas down flow was used to investigate the coal fragmentation instead of a fluidized bed. 利用下行气流振动床代替流化床，研究了煤的碎裂特性。
- The form of the multiphase flow has been discussed,and the optimal operating point of the straight down flow film demister has been determined. 测试了表观气速和液气比对直流降膜式旋风除雾器分离性能的影响,讨论了气液两相流流型对分离性能的影响,确定了最佳操作条件。
- After fhe said trays replaced the original float valve trays in the original column shell with the existing down flow spouts,the thorughput was double and th... 该塔板具有通量大、分离效率高、操作弹性大、压降低及物料适应性强等优点。
- A down flow biological fluidized bed reactor (DBFB) was used to discuss the stability of nitrification through nitrite under high concentration of ammonia . 本文采用下向流内循环生物流化床反应器,在高浓度氨条件下,探讨了亚硝化过程的稳定性。
- A down flow biological fluidized bed reactor (DBFB) was used to discuss the stability of nitrification through nitrite under low concentration of dissolved oxygen(DO). 采用下向流内循环生物流化床反应器,在低浓度溶解氧条件下,探讨了亚硝化过程的稳定性。
- A newly down flow reactor with new ways of feed atomization and oil catalyst contact was developed according to the characteristic of ultra short contact time catalytic cracking process. 根据超短接触时间催化裂化工艺的特点,开发了具有新型原料雾化和剂、油接触方式的下行式反应器。
- The jet flow radiation computational method of axis-symmetry nozzle and rectangle nozzle are also discussed. 研究了轴对称喷管和二元矩形喷管喷气流辐射的计算方法。
- Have a glass of beer to rinse your dinner down. 喝杯啤酒把你吃的晚饭冲下去。
- The machine must break down at this busy hour. 正忙的时候，机器偏偏又坏了。
- The old man stared the uninvited guest up and down. 老人把不速之客上下打量了一番。
- up and down flow subsurface constructed wetland 上下回流式人工湿地
- He let himself down slowly by means of a tope. 他借助一根绳子慢慢地下来了。
- The deer was peppered with shot all down one side. 那只死鹿的半边身子都被子弹击中。
- The maid did down the walls with a duster. 女佣用掸帚由上而下地刷除四壁上的尘垢。
- Bind down the ropes around the load on the lorry. 把绕在卡车上货物外面的绳子扎紧。
- He was not a man to sit down with affront. 他并不是一个可以忍受当众侮辱的人。
- One of the fishing boats sank down astern of us. 有一艘渔船在我们后面沉没了。
- He slicks his hair down with oil every day. 他每天搽油把头梳得光溜溜的。
- The chair sagged down under the fat man's weight. 椅子经这胖人一坐便压弯了。
- Down flowed the brown cascade. 那棕色瀑布一下子就流淌下来。
