YDT

Application of YDT Stereo Elastic Media to Landscape Water Treatment

YDT弹性立体填料在景观水治理中的直接应用

At the water intake, the YDT elastic space Packing is used in Purify the eutrophic Qingdian Lake water of Shaoxing city.

本研究针对绍兴市青甸湖微污染水源水，使用YDT弹性立体填料，在水厂取水口附近，进行生物预处理试验。

Energy-saving analysis and calculation are carried out on two-speed fan using YD series and YDT series motor separately. It is proved to be more scientific, more reasonable using YDT series motor and energy-saving effect can be got.

通过对双速通风机分别使用YD系列和YDT系列化电机的节能分析和计算，指出双速通风机使用YDT系列电机更科学、更合理，并达到了节能效果。

( 3) The results of orthogonal test indicated that the best preparation process of YDT is: carboxymethyl starch sodium 10%, microcrystalline cellulose 25%, crosslinked carboxymethyl cellulose sodium 10%, the ratio between polyvinyl pyrrolidone and main medicine is 6:1.

正交试验结果表明愈风宁心分散片的最佳制备工艺为：羧甲基淀粉钠10%、微晶纤维素25%、交联羧甲基纤维素钠10%、聚乙烯吡咯烷酮水溶液与主药的比例6：1。

On the BOD_5/ COD_ ( Cr) ratio's effect on the performance of artificial YDT and PMT media packaged contact oxidation tank for raw water pretreatment

人工YDT及PWT填料接触氧化池生物预处理效果与原水BOD5/COD（Cr）的关系