...键词 第四纪冰川 冰川沉积 石英颗粒 表面结构 北京西山 [gap=1085]Key words Quaternary glacier,glacial deposit,quartz grain,surface texture,Western Hillsof Beijing ...
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quartz-grain 石英颗粒
quartz grain surface texture 石英表面结构
quartz grain surface textures 石英砂颗粒表面结构
fine-grain quartz 细粒石英
fine grain quartz 细粒石英
multi-grain quartz ribbons 多晶石英条带
fine grain quartz sandstone 细粒石英砂岩
quartz sand grain surface features 石英沙颗粒表面特征
Different grain-size quartz 不同粒径石英
Through investigations in the middle and lower reaches of Malian River,Holocene palaeoflood slack-water deposition profile were identified in Heshui County. Samples of the palaeoflood slackwater deposits were collected,and the grain-size distribution and the quartz grain surface texture were examined.
通过对马莲河中下游的深入考察,在甘肃省合水县河段发现全新世古洪水滞流沉积剖面,对采集的沉积物样品进行粒度成分、石英砂表面结构等分析,证明为典型的古洪水滞流沉积物。
参考来源 - 马莲河全新世古洪水沉积学和水文学研究·2,447,543篇论文数据，部分数据来源于NoteExpress
By analysis of sand grain size in sediment microenvironment of modern rivers, the size and shape of grain and surface texture feature of quartz grain were described in this paper.
本文根据现代河流的已知沉积微环境中的砂样分析，阐述了河北平原河流沉积物的粒度成分、形态和石英颗粒的表面结构特征。
Quartz grain surface textures in coastal dune sand which is mainly derived from beach sand have features characteristic of both typical aeolian environment and inheritable and reformable beach sand.
本文通过对广东和海南海岸沙丘砂石英颗粒的扫描电镜分析，认为其表面结构特征，既具有典型的风成环境特征。
The dune sands are very well sorted and rounded pure quartz sand(>95%) with single mode grain distribution and without suspension materials.
沙丘砂由分选、磨圆好的石英砂组成，含量大于95%，具单众数粒度分布，无悬移质。
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