后成质（metaplasm）是指原生质新陈代谢的结果而产生的非生活物质，或者在此基础上形成的一些结构的总称。
同种异体松质骨进行脱钙处理后成骨性能得到加强，但压力抵抗会大大降低。
Cancellous allografts can be obtained in a demineralized form that increases osteogenic potential but greatly decreases resistance to compressive forces.
结果表明，煤中有机硫的存在形式是多样的，这主要取决于成煤母质、沉积环境和泥炭堆积后的成岩变化。
The research shows that the versatile occurrence of organic sulfur are determined by the pre coal material, sedimentary environment, and catagenesis.
在联合发生后，染色质纤维解聚成环状附着在侧带上。
After synapsis, unwound chromatin fibers in the form of loops are in association with the lateral elements.
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