On the cell of expressing human tissue kallikrein for gene modification, rigid envelope material with bi-directional flowability is coated.
在基因修饰的表达人组织激肽释放酶的细胞上包覆着具有刚性和双向流通性的包膜材料；
Insulation material is the key to improving thermal technology performance of building envelope, and plays an important role in building energy conservation.
绝热材料是改善建筑围护结构的热工性能的关键，在建筑节能工作中占有极其重要地位。
This fire protection method by using the material to envelope steel members has an unparalleled advantage over the fireproof paint and is a kind of ideal fireproof protection of steel structures.
用此材料包覆钢构件的防火保护方法具有防火涂料无法比拟的优点，是一种理想的钢结构耐火保护方式。
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