regenerated sand是什么意思

用法例句

Factors causing sandy filter-media darken, darken-controliing technology, and influence of darkened and regenerated sandy media on filtration in surface water plants are studied in this thesis.

黑化石英砂与其酸、碱清洗再生砂对待滤水水中浊度，铁、锰去除效果良好，运行8个月后检测的15项水质指标都达到《生活饮用水卫生标准GB5749-85》要求，且与新砂滤料的处理效果相差无几。

Based on other's former tests,to conducte overall tests on the factors which may affect performances of dry reclaimed sand,and to present the methods of how to improve the performances of the sand.

在总结前人试验的基础上，对影响干法再生砂性能的各种因素进行了全面试验，就提高酯硬化水玻璃干法再生砂性能的措施进行了试验研究。

Mechanism and Application of Activated Carbon Regeneration Furnace by Forced-discharge;

活性炭强制放电再生炉的机理及应用

Microwave application in the regeneration of actived carbon which adsorbs organic substance;

微波在吸附有机质活性炭再生中的应用

A coupled NH_3-regeneration and sulfur recovery process for V_2O_5/AC used in simultaneous removal of SO_2 and NO in flue gas;

脱硫脱硝后V_2O_5/AC在含NH_3气氛中的再生及硫资源化的耦合过程研究