1.
Thus, the mineral crystalline morphology of natural silica sand is an important parameter for use in foundry.
矿物晶体形态是铸造用天然硅砂的一个重要物理参数。
2.
The mineral crystalline morphology of foundry natural silica sands has been investigated, which can be divided into two groups: single crystal and polycrystalline gather.
考查了铸造用天然硅砂的矿物晶体形态，可将其大致分为单晶体和多晶集合体两类。
3.
Natural Resources: bauxite, coal, crude oil, iron ore, natural asphalt, calcium, silica, mica, salt, clays.
自然资源：铝矾土、煤、原油、铁砂、天然沥青、石灰、硅石、云母、盐、粘土。
4.
Strontium and Metasilicate Natural Mineral Water of Beizhang Village in Baoding,Hebei
保定市北章村锶－偏硅酸天然矿泉水
5.
Determination of Mercury Content in Natural Gas by Chemisorption on Iodine -Impregnated Silica Gel
碘浸硅胶吸附法测量天然气中汞含量
6.
Feasibility Analysis on The Low Label Concrete Using Mechanism Sand Instead of Natural Sand
低标号混凝土采用机制砂代替天然砂可行性分析
7.
The Research on the Performance of Artificial Sand High Performance Concrete and Natural Fine Sand Concrete
人工砂高性能混凝土和天然细砂混凝土的性能研究
8.
Technical specification for application of natural zeolite powder in concrete and mortar
天然沸石粉在混凝土和砂浆中应用技术规程
9.
PHASE EQUILIBRIUM IN PRODUCING BORIC ACID FROMPROCESSING NATURAL BORAX BY SULFURIC ACID
硫酸加工天然硼砂矿生产硼酸的相平衡
10.
Treatment of zinc plating wastewater by the mixture of activated carbon and nautural maganess oxide
活性碳—天然锰砂混合处理镀锌废水的初探
11.
Fractal Structurel of Granularity Distribution of Natural Sedimentary Sandy Gravel
论天然沉积砂卵石粒度分布的分形结构
12.
Natural Grit Enlarged Compaction Pile by Tamping Applied in Highway Engineering
天然砂砾夯扩挤密桩在公路工程中的应用
13.
Characteristic Comparison of Alkali-Aggregate Reaction for Recycled Fine Aggregate and Natural Sand
再生细骨料与天然砂碱骨料反应特点比较
14.
Application of Green Sand Casting Process of Yellow Loam Natural Clay-Bonded Sand
黄壤土天然粘土砂湿型铸造工艺的应用研究
15.
A white or grayish opaline siliceous deposit formed around natural hot springs.
硅华一种形成于天然温泉周围的白色或浅灰发乳色光的硅沉淀物
16.
A natural beryllium silicate, Be2SiO4, occurring as vitreous crystals sometimes used as gems.
硅铍石一种天然铍硅酸脂，Be2SiO4，以玻璃晶体出现，有时用作宝石
17.
chemical analysis of silica sand and quart
硅砂和硅石化学分析方法
18.
Study on the Ultragrind and the Physical Properties of the Natural Wollastonite about Faku;
法库天然硅灰石的超细粉碎与物性研究