1.
Surface characteristics of quartz sand coated with iron oxides
氧化铁涂层石英砂滤料表面特征研究
2.
Effect of Humic Acid on Adsorption Efficiency of Quartz Sands Media;
腐殖酸对石英砂滤料表面吸附性能影响研究
3.
A Technique to Improve Micro-Flocculate Effect;
一项提高微絮凝效果的技术——直接过滤中石英砂滤料的改性
4.
Iron and manganese removal efficiency with mixed layer media and quartz sand filtration columns by immobilizing mixed bacteria
混合细菌固定化石英砂/混层滤料除铁除锰效能研究
5.
Contrast of Magnetic Susceptibility of Silica Sand and Silica Raw Material and Its Significance
石英砂与石英砂原料磁化率的对比及其意义
6.
Study on Correlation between the Performance of Long Fiber Filtering and Quartz Sand Filtering;
长纤维过滤与石英砂过滤的性能对比研究
7.
Application of waste water treatment filter pressing equipment for aggregate processing system
压滤设备在砂石料加工系统废水处理中的应用
8.
A brownish-red sandstone used as a building material.
褐砂石棕红色砂石，用作建筑材料
9.
The gravel ingredient of concrete.
石碴组成混凝土的砂料
10.
concrete, sand, stone and cement proportioner
混凝土、砂、石、水泥配料机
11.
The sodium borohydride can be obtained by deoxidation of the aforementioned sodium metaborate as raw material in the presence of metalic sodium and quartzite.
以偏硼酸钠为原料，与金属钠、石英砂进行加氢反应来制备硼氢化钠。
12.
This is a cliff composed of quartz sandstone that is well bedded.
由石英砂岩构成的悬崖，岩石层理发育。
13.
This sandstone consists of quartz primarily and feldspar secondly.
这种砂岩的成份以石英为主，长石次之。
14.
Research on Surface Grinding of SCFS with Diamond Wheel;
金刚石砂轮平面磨削石英陶瓷的研究
15.
The Research for the Applied of the Grit and Pebble Acting as the Fill-stuff of High Embankment;
高土石坝砂卵石作坝壳堆石料应用研究
16.
Sandflo-filter System Applied in the Treatment of Petrochemical Wastewater for Water Reuse
流砂过滤器在石化废水回用试验中的应用
17.
Application of Sand Gravel Filtration in Waste Water Purification
砂、卵石过滤法在废水净化技术中的应用
18.
SANDFLO FILTER EMPLOYED IN BY-PASS FILTRATION OF RECYCLE COOLING WATER IN DAQING PETROCHEMICAL CO.,LTD
大庆石化循环水旁滤系统采用高效流砂过滤器中试研究