目的：描述玻璃体视网膜手术后眼内充填气体、硅油的B超表现。
AIM: To describe the B-scan ultrasonographic manifestation of intraocular stuff gas and silicon oil after vitreous and retinal surgery.
材料的合成过程是这样：首先，他使高温碳氢混合气体和铁催化剂相互作用产生密集的碳纳米管群，然后再用聚合物充填碳纳米管间的空隙。
He created this composite by growing a forest of nanotubes using hot hydrocarbon gases and an iron catalyst, and then filling the space between the tubes with the polymer.
数值模拟的气体辅助注射成型充填阶段，可以给一个指令的产品，这样的结果的精度是非常重要的。
The numerical simulation of the filling stage in gas-assisted injection molding can give an instruction to product, so the precision of the result is important.
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