Optical brighteners are common for white fabrics or printed fabrics with white surface 对于白色布料和印为白色表面的布料，用光学增白剂可以常见的。
Optical brighteners ca n ' t change the part of infection , but it improves viral enhancement on pathogenesis of midgut 此结果表明荧光增白剂对不同虫龄阶段的幼虫增效能力存在较大的差异。
It is used in the manufacturing of the fluorescent brightening agent , the direct dyes , the reactive dyes and the moth repellant , etc 用途：用于制造荧光增白剂，直接染料、活性染料和防蛀虫剂。
Shangyu shanhu chemical industry factory . the main products are “ yunlong brand ” brightener , diffuser agent , soft agent 上虞市珊瑚化工厂，主要生产“云龙牌”增白剂、扩散剂、柔软剂等系列化工产品。
The concentration of radon in ornament and control group was lower than the standard and had nothing to do with completed time 影响污染物浓度的主要因素为竣工时间、油漆、涂料、复合地板、化纤地毯、人造板用品、增白剂。
Fluorescent brightening agent dt are mainly used in the bleach of polyester fiber , plastic ( pvc , polystyrene , polyacrylate etc ) and coating 荧光增白剂dt主要用于聚酯纤维的增白，也可用于塑料（聚氯乙烯、聚苯乙烯、聚丙烯酸酯等）和涂料等增白。
The foci were more in control than in test . which stated the addition of optical brighteners fastened the infections of virus and enhanced the ability 可见，荧光增白剂的添加不仅可以加快病毒在中肠组织的感染，还能增强病毒在中肠组织的感染能力。
The dosage should be 0 . 01 0 . 05 on weight of plastic . put the whitening agent into plastic pellets and mix the mixture thoroughly before shaping the plastic products 将该增白剂以塑料重量的0 . 01 0 . 05 ，在各种塑料制品成型加工前，与塑料粒子充分混合均匀即可。
The dosage should be 0 . 03 0 . 1 on weight of plastic . mix the whitening agent with the plasticizer you choose and then carry out the processing of the plastic 将该增白剂以相当于塑料重量的0 . 03 0 . 1 ，在所选用的增塑剂中混合均匀，然后继续进行所用的塑料加工工艺即可。
