过滤材质必须用合成的不溶于水的材料制成，例如聚丙烯或丙烯酸烯纤维。
The filter media must be made of a synthetic, non-water, soluble material, such as polypropylene or acrylic fiber.
在ISBL装置(包括大的不间断流程)上有经验，例如气化，煤处理，气体处理，氨，甲醇，氢，烯烃，硫，聚乙烯，聚丙烯。
Experience for ISBL units could include large continuous processes such as gasification, coal processing, gas processing, ammonia, methanol, hydrogen, olefins, sulphur, polyethylene, polypropylene.
对于聚丙烯材质阀门，将字母“P”加在型号上。例如：4423- 025p。
For Polypropylene valves, add the letter "p" to the part number (e. g. 4423-025p).
该支架可由各种可生物降解、可堆肥材料形成，包括例如模制聚丙烯或有机树脂例如基于谷物的树脂或基于马铃薯的树脂。
The rack may be formed of a variety of biodegradable, compostable materials, including for example molded polypropylene or organic resins such as a corn-based resin or potato-based resin.
例如 ，对于半结晶聚合物 ，为何只有聚丙烯才有此独特结构 ?此外有关聚丙烯熔体在应?。
There was more c axis orientation crystallization when the melt was treated under high stress. The formation mechanism of such unique structures was also discussed.
例如 ，对于半结晶聚合物 ，为何只有聚丙烯才有此独特结构 ?此外有关聚丙烯熔体在应?。
There was more c axis orientation crystallization when the melt was treated under high stress. The formation mechanism of such unique structures was also discussed.
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