By observing microstructures , we find they may form spheroidal A,acicular A and feathery A .
组织观察发现,除形成球状A、针状A外,还形成羽毛状A。
Origination and Preventive Measures of Feather-like Crystal in 7A09 Alloy Ingot;
7A09合金铸锭羽毛状晶产生原因及防治措施
Through on-the-spot observation in windy season and data analysis a study on the wind regime,grain size characteristics and wind-sand flux structure near sand bed of feather-shaped sand ridge in the Kumtag Desert was conducted.
以库姆塔格沙漠腹地的羽毛状沙垄为床面,通过风季实地观测与分析,研究了羽毛状沙垄的近地面风况、粒度特征及风沙流结构等。
A morphologic observation of the "featherlike dune ridge" in the Kumtag Desert;
库姆塔格沙漠的“羽毛状沙丘”形态的观测
Grain size parameters and their distribution on feather-like dune of Kumtag Desert;
库姆塔格沙漠羽毛状沙丘表面沙粒度分布特征
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