1) allochtonic formations
次生形成物
2) secondary wall formation
次生壁形成
3) secondary cambium
次生形成层
4) secondary biogenic gases
次生生物成因
1.
Biogenic coalbed gases can be divided into primary biogenic gases and secondary biogenic gases.
生物成因煤层气一般可分为原生和次生生物成因,它们在生成机理上有许多相似之处,但也有所不同,导致后期保存和同位素组成上的差异。
5) secondary biogenic gas
次生生物成因气
1.
Coalbed gases in Huainan coal field is a gas mixture resulted from thermogenic methane and secondary biogenic gas.
淮南煤田煤层气属于热成因和次生生物成因气的混合气。
6) secondary porosity forming
次生孔隙形成
1.
The weakness of compaction and cementation,existence of clay coating and microcrystalline quartz are favor to the preservation of primary porosity;in the processing of thermal evolution of organic content and the conversion of clays,secondary porosity forming occurs.
造成相对高孔隙带出现的原因是原生孔隙保存和次生孔隙发育,压实作用、胶结作用较弱和自生粘土矿物包壳、自生石英微晶存在,有利于原生孔隙的保存;有机质热演化、粘土矿物转化过程中,次生孔隙形成。
补充资料：细胞壁形成，两子细胞隔开
潘家迅绘
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条