纯质性的 homozygotic
- 利用纯芳烃原料和重质渣油研制的沥青树脂具有优良的耐热性。
Pitch resin was synthesized from benzaldehyde and heavy oil residue. - 由于柴达木盆地西部北区第三系的烃源岩属不纯泥岩,具有强烈的非均质性,因此目前对该区烃源岩的认识和评价结果尚存争议,同时,柴西北区的油源也是人们争论的焦点。
The Tertiary source rocks in the Northwest Qaidam basin are greatly heterogeneous because they are impure mudstone, so there are many disputes in the understanding and evaluation on the source rocks.
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