This paper introduced the development of speciality polypropylene (PP) resin TJ 1036 lor spinning, which was produced with the chemical degradation process.
介绍了用化学降解法生产聚丙烯纺丝专用树脂TJ 1036的开发过程。
The two main technologies for producing the desired material, chemical-degradation and hydrogen-regulating methods, were compared and the latter was selected as the more advanced process.
分析对比了化学降解法和氢调法生产细旦丙纶原料的优缺点，介绍了氢调法生产的工艺流程。
The results indicated that the degradation process by the constructed wetlands was the synergistic effects of physical, chemical, and biological processes.
人工湿地对污染物的降解是由物理、化学和生物及其协同作用的过程。
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