An Analysis of Varying Behaviors of Scoring and Silting of Downstream River Channel in 44 Years Before and After the Construction of Reservior of the Yellow River Samen Gorge 黄河三门峡建库前后44年下游河道冲淤变化特征分析
Effects of Frozen Ram Samen by the Osmotic Pressure Diluent on Lambing Rate 稀释液渗透压对绵羊精液冷冻效果的影响
Samen religion in the patrilineal society Analysis on the Feudal Patriarch System and Clan Authority 父系氏族公社的萨满教封建家长制及族权浅析