This article studies the stone artifacts in Nenjiang basin before Han dynasty in terms of typology.
本文根据以往的材料总结了嫩江流域汉代以前各时段石制品的特点。
The relation of design flood peak discharge rate to collecting area in Nenjiang River basin was discussed in this paper.
探讨嫩江流域主要水文站设计洪峰流量与流域面积的关系。
In the early Nenjiang stage, a largest lake transgression occurred in the Songliao basin, depositing a group of black shale with intercalation of oil shale in the major areas of basin.
松辽盆地在嫩江早期发生了最大湖侵事件，在整个盆地范围内形成了一套黑色泥页岩夹油页岩。
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