The formation mechanism of PAN fiber was studied with the helps of SEM and AFM.
采用SEM和AFM对不同条件下制得的纤维和膜进行测试，揭示干湿纺纤维成形机理。
This pan is to protect the property from damage which may occur from normal condensate formation on the tank or leaks in the tank and pipe connections.
这个排水盆有助于保护财产避免遭受由于热水器正常产生的冷凝水，以及热水器或管道连接部位泄漏可能造成的损失。
Gentle slope in the dust-pan like sag has geological condition for the formation of petroleum reservoirs, and is the favorable place for the accumulation of oil and gas.
箕式凹陷缓坡带具有油气藏形成的地质条件，是油气聚集的有利场所。
Gentle slope in the dust-pan like sag has geological condition for the formation of petroleum reservoirs, and is the favorable place for the accumulation of oil and gas.
箕式凹陷缓坡带具有油气藏形成的地质条件，是油气聚集的有利场所。
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