目的合成雷诺嗪并进行工艺改进。
OBJECTIVE To synthesize Ranolazine and improve the synthetic process.
目的合成标题化合物，并进行工艺改进。
OBJECTIVE To synthesize the title compound and improve the process.
本文介绍了某化纤厂对全厂废水处理系统进行工艺改进的情况。
The total system reform process of waste water treatment from a chemical fiber factory was introduced.
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