Research on producing sintered brick from fly ash and desert quartz sand;
利用粉煤灰和沙漠石英砂制备烧结砖的研究
The surface features of quartz sand grains may well be used as the indicators of their depositional environments due to larger hardness and chemical stability.
过去关于其沉积环境的判别主要是根据沉积结构和构造,并未对其石英沙颗粒表面特征进行过系统分析。
The Unreasonable:The "Other" Phase of the New Immigrant Society in Sha Shi's Writings
不可理喻:新移民社会的另类展示——论沙石的小说创作
Effect of Modified Starch on Flotation System of Silica magnetite;
改性淀粉对石英-磁铁矿浮选体系的影响
A Study on Properties of Short Carbon Fiber Reinforced Silica Glass Matrix Composite;
短碳纤维增韧石英复合材料性能研究
Influence of γ-Ray Irradiation on Absorption in Silica Glasses;
γ射线辐照石英玻璃吸收光谱的研究
The surface features of the quartz sand grains from the Cretaceous desert in the Sichuan Basin
四川盆地白垩纪沙漠石英沙颗粒表面特征
Microscopic Features on Quartz Sand Grain Surface in the Cretaceous Desert of Ordos Basin
鄂尔多斯盆地白垩纪沙漠石英沙颗粒表面特征
A rock formed from the metamorphism of quartz sandstone.
石英岩一种由石英沙岩的变质作用而形成的岩石
Well-sorted quartz sandstones are generally not very abundant.
分选良好的石英沙岩一般并不十分丰富。
From the back of a camel, you can take in a desert landscape of send or rock that stretches on for miles.
坐在驼背上，你可以纵览戈壁滩的风沙景像或延伸数英里长的沙石。
But quartz, the commonest, is very hard, and that remains as grains of sand.
但最常见的石英非常坚硬 它会分裂成为沙粒
The gravel crunched under the wheels of the car.
碎石在车轮下沙沙作响。
a sedimentary rock consisting of sand consolidated with some cement (clay or quartz etc.).
一种由用水泥（粘土或石英等）固化的沙构成的沉积岩。
Analysis on Physical Characteristics and Economic Benefit of Reclaimed Land in Glass Used Quartzite Mining Area in Shahe City
沙河市玻璃用石英岩矿区复垦土地物理特征及经济效益分析
a bed of clay, limestone, sand, etc
一层黏土、 石灰石、 沙子等.
To fill(a railroad bed) with or as if with ballast.
铺沙石用或似用沙石铺（铁路路基）
A piece of soft sandstone used for scouring the wooden decks of a ship.
磨甲板沙石打磨木质甲板用的软沙石
Quartz and feldspar are the main components in the eolian sand, but there is some proximal lithoclast in the coarse grain.
风成沙中主要颗粒成分为石英长石，但偏粗粒级混有一定比例近源岩屑；
The top of the reef sits about two to three feet below sea level.
礁石在水下面由珊瑚，沙子或者岩石块形成，顶端大概离海平面二到三英尺。
pumpellyite-prehnite-quartz facies
绿纤石－葡萄石－石英相
A fire-resistant stone, such as certain sandstones.
耐火岩石耐火石，例如某种沙石
The sand or pebbles on a shore.
岸上的沙子和卵石。
The sand and stones gravitated to the bottom of the river
沙和石头沉到了河底。