Several printing processes with special effect such as puff printing, silver paste printing, pearleffect printing and electrostatic flocking are also introduced.
同时介绍了几种特殊效果的印花，如发泡印花、银浆印花、珠光印花、静电植绒等。
2
Using Pearl River source water as raw water, the contaminant removal effect of carbon and sand filter after the biological aerated filter(BAF)pretreatment process was investigated.
以珠江广州段源水为处理对象，考察了曝气生物滤池（BAF）预处理工艺后炭砂滤池的除污效果。
3
Applied effect and environment effect of organic fertilizer black pearl on capsicum were studied by using capsicum as indicating crop.