The optimization to the spray nozzle organization and the atomization characteristic has the extremely vital significance.
因此对喷嘴的机构及雾化特性进行优化，具有非常重要的意义。
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。
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