1·Decrease of sandstone porosity is mainly caused by compaction and cementation, which contribute 22% and 15% to the loss of primary pores, respectively.
压实作用和胶结作用是砂岩孔隙度降低的主要原因，分别造成22%和15%的原生孔隙丧失。
2·Main diagenesis of the syndiagenesis is carbonate cementation in the shallow lake sheet sands and rearrangement caused by compaction.
早成岩阶段的主要成岩作用是碳酸盐胶结作用以及压实作用引起的颗粒重排；
3·The significant effect of various physicochemical factors, especially the structure characteristics and cementation of free ferric oxide on the mechanical properties is reviewed.
讨论了物理化学因素，特别是结构特征和游离氧化铁的胶结作用，对力学性质的重大影响。
4·Diatoms biological functions on subaerial Karst sedimentation are studied chiefly in this paper, including assimilation, tapping and felting effects, encrustation, cementation.
硅藻对地表石灰华沉积的生物作用，主要包括同化作用、拦截和粘结作用、结壳作用、胶结作用。
5·Compaction and cementation are the main destructive digenesis, while dissolution is the main constructive digenesis.
压实与胶结作用是主要的破坏性成岩作用，而溶蚀作用则是主要的建设性成岩作用。
1·High technology artificer fabrication, stardard cementation, effect is also very satisfied.
高技术的技工，正规粘结，效果也是很满意的。
2·The sweet is bright and sanitary, no cementation and no abrasion.
糖块光亮卫生、不粘结、不磨损。
3·Products, products such as cementation ferrite, neodymium iron boron passes ISO9001 international quality system certification.
粘结铁氧体、钕铁硼等产品、产品通过ISO 9001国际质量体系认证。