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.
PHOSPHATE REMOVAL FROM MUNICIPAL SECONDARY EFFLUENT BY IRON-OXIDE-COATED SAND ADSORPTION AND FILTRATION
涂铁砂滤料吸附过滤去除城市污水厂二级处理出水中磷的研究
5.
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
6.
Experimental Study on Correlation between Filter Material Thickness of PVC-U Gravel-filled Filter and the Sand-resistance
PVC-U携砾过滤器滤料厚度与阻砂性的相关关系试验研究
7.
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
8.
glossary of terms and marks used in abrasive, grinding wheel and abrasive cloth and paper
磨料、砂轮、砂布、砂纸术语和符号
9.
graded soil mixture
级配(砂)土混合料
10.
A filtering substance, such as filter paper.
过滤材料有过滤作用的材料，如滤纸
11.
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
12.
A brownish-red sandstone used as a building material.
褐砂石棕红色砂石，用作建筑材料
13.
Filtration Technology Study of Biological Filter of the New Type of AC Media;
新型AC滤料生物滤池过滤技术研究
14.
Spanish red, cinnabar, mercury and mercury-series of products, containing material recovery smelting, Spanish red, cinnabar production and processing.
朱砂、辰砂、汞及汞系列产品、含汞物料回收冶炼、朱砂、辰砂生产加工。
15.
layered gravel and charcoal to make a filter.
将砂砾和木炭分层以做成过滤器
16.
The application of PLC in the Biological Sand Filter System
PLC在生物砂滤工艺系统中的应用研究
17.
GAC Enhanced Sand Filtration for Micro-contaminated Water
GAC强化砂滤池处理微污染水中试研究
18.
The design and application of sand filter for spunlaced nowovens production
水刺生产用砂式过滤器的设计和应用