沙井袋是一种抗拉强度较高，透水透气性好，耐酸碱腐蚀和微生物侵蚀的材料。
Sand well the bag is a kind of anti - to pull the strength higher, water the well ventilated is good, and the acid-proof alkali decay with the material that the microorganism erode.
作者还观察到当多糖类载体引入氨基或羧基后，大大增强了其抵抗微生物侵蚀的能力。
We noted that after the carboxyl groups and amino groups were introduced to Sephadex, the resistance of the carrier to microbial contamination was largely increased.
微生物侵蚀处理可以改善木材的渗透性，一般有细菌处理、真菌处理和酶处理三种方法。
Wood permeability can be improved by bio-incising that generally comes in three methods: bacteria-incising, fungal incising and enzyme treatment.
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