The result shows that this membrane is similar to PVA dense membrane.
结果表明此膜的性能与PVA均质膜变化规律相似。
This material retains the top or outer membrane of the hide, which contains dense, tight fibres that are water-resistant and supportive.
这种材料保留了动物皮革的顶层或者说外层表皮，这层表皮包含致密、紧绷的纤维，具有抗水和支持性能。
T-type contain spherical and large granular vesicles, and dense body was seen beneath the post synaptic membrane.
型终扣含有清亮球形小泡，也可见大颗粒小泡，在突触后膜下可见致密体；
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