In the stage of compaction by initial damage, density damage increment of sandstone is positive and the rate ia positive.
在初始损伤的压密阶段，砂岩的密度损伤增量为正值，速率也为正；
Researches show that in the early stage of sandstone diagenesis, compaction, pressure solution, cementation and replacement reduce both the porosity and the permeability.
研究表明，砂岩层内的早期成岩作用(压实、压溶、胶结和交代作用)使孔隙度和渗透性降低。
The Tertiary in the Aerjin Slope in Caidam Basin is characterized by strong carbonate recrystallization, weak compaction, weak quartz overgrowth and enrichment of the early-stage carbonate.
在柴达木盆地阿尔金斜坡第三系地层中，砂岩中碳酸盐重结晶强烈、压实程度弱、石英自生加大较弱、早期碳酸盐胶结物发育。
A compaction stage is typically used to ensure good coverage and solid molds.
通常要采取压紧步骤来保证良好的覆盖和坚固的铸型。
The main diagenesis includes compaction, cementation, corrosion and dissolution, etc. which belongs to stage a of middle diagenesis phase.
典型的成岩作用类型包括压实作用，胶结作用和溶蚀、溶解作用等。成岩阶段属中成岩a期。
Too much reduction of the cytoplasmic mass at enucleationled to premature compaction of the nuclear transplant embryos at 6-cell stage or the formation of small blastocysts with few ICM cells;
去核时卵母细胞质剩得过少可导致移核胚过早（6-细胞期）发生致密化或形成内细胞团细胞数目较少的小囊胚；
Too much reduction of the cytoplasmic mass at enucleationled to premature compaction of the nuclear transplant embryos at 6-cell stage or the formation of small blastocysts with few ICM cells;
去核时卵母细胞质剩得过少可导致移核胚过早（6-细胞期）发生致密化或形成内细胞团细胞数目较少的小囊胚；
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