2) hydrocarbon precursor types
成烃母质类型
3) bio-precursor
生烃母质
1.
In this paper,bio-precursor and organic geochemical features of the Wayaobu coal measure were studied.
生烃母质研究表明,瓦窑堡煤系的主要显微组分为镜质组,其中富氢基质镜质体含量高,一般大于40%,含有>10%的壳质组显微组分,且以孢子体为主,碳质泥岩中藻类体常见。
4) hydrocarbon substance
成烃物质
1.
Distribution rule and main controlling factors of the marine facies hydrocarbon substances in the middle and upper parts of Yangtze region,China
中上扬子地区海相成烃物质聚集分布规律及主控因素
5) parent material
成土母质
1.
The research demonstrated that Cd highly concentrated assumes the punctual distribution,its distribution situation is been limited by the parent material,the high content in soil mainly caused by the human factors.
研究显示,鱼台生产基地Cd的高浓度值多呈点状分布,其分布现状受成土母质影响有限,土壤中过高的Cd含量主要与人为因素有关。
6) oil-generating precursor
成油母质
补充资料：土壤母质
又称“成土母质”。指岩石风化后形成的疏松碎屑物。是土壤矿物质的来源，其矿物组成、化学组成及机械组成(颗粒大小)，影响了土壤的形成和性质。
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