Naphtha is the main feedstock for steam cracking process, therefore its property directly influences the yields of main cracking products and the operation cycle of cracking furnace.
石脑油作为蒸汽裂解工艺的主要原料，其性质直接影响裂解主要产品收率和裂解炉操作周期。
The macroporous resin separation achieved a higher purity, but the operation cycle was exceedingly long;
其中大孔吸附树脂法能够达到较高的纯度，但是操作周期长；
The lower system is responsible for the control of operation cycle and displacement of electromechanical system.
最后，由底层系统来实现对机电系统的运行周期和位移的控制。
Current liabilities are debts of a business that are to be paid within the normal operation cycle or a period of a year or less.
当前负债是指企业应该在一年或更短的正常经营期限内要支付的债务。
Our company provides safer operation cycle of equipments, reduces the production cost of the enterprise, and thus brings more profit to the customers.
本公司为客户提供更加安全的设备运行周期，降低企业的生产成本，为客户带来更大的利润空间。
The operation cycle of the catalyst used in conversion at low temperature is critical to the direct economic returns of the enterprises which produce synthetic ammonia.
中温变化催化剂运行的周期长短，是关系到合成氨生产企业直接经济效益的关键因素。
The effects of strengthening the corrosion protection work on extending the operation cycle if the unit and improving the profitability of the enterprises were discussed.
文章评述了抓好防腐蚀技术工作与延长装置开工周期、提高企业经济效益的关系。
On this basis, the major factors affecting depth of fragmentation and operation cycle of the furnace are analyzed by using the model and Suggestions on operation are stated.
在此基础上，运用模型对影响裂解深度和炉子运行周期的主要因素进行了分析，提出了相应的操作建议。
This paper thoroughly analyzes and researches the problem on the unbalance of 4g1 engine assembling and testing operation cycle by using the method of element analysis and ration measure.
本文采用因素分析与定量测算的方法，对4g1发动机装试线均衡工序节拍问题进行了深入的分析和研究。
This paper thoroughly analyzes and researches the problem on the unbalance of 4g1 engine assembling and testing operation cycle by using the method of element analysis and ration measure.
本文采用因素分析与定量测算的方法，对4g1发动机装试线均衡工序节拍问题进行了深入的分析和研究。
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