其次，乳酸分子于化学反应容器中连成长链或组成聚合物，然后产生聚乳酸纤维。
In the second stage, lactic-acid molecules are linked into long chains, or polymers, in chemical-reaction vessels, to produce PLA.
为了在复合碳材料上获取与电容器相似的性质，这种碳纤维首先经过碱化学处理以令其表面生成许多细微的凹点。
To get similar characteristics from composites, the carbon fibres are first chemically treated with an alkali which creates lots of tiny pits on their surface.
配橡胶内衬的复合材料板壳可以模拟真实纤维缠绕压力容器。
Composite plate and shell with rubber liners can analogize real filament wound pressure vessels.
应用推荐