给料机还可以进行预筛分，从而增加有效进料。
It can also reach pre-screening purpose to increase feeding efficiency.
在低粘度的无胶筛分介质中加入某种添加剂是一种有效且简单的克服填充困难和提高DNA分离性能的方法。
Addition of certain additives into low viscous non-gel sieving matrices is an efficient and simple method to overcome the difficulty of filling capillaries and enhance DNA separation.
超声波筛分系统能够筛分普通筛分机不能分离的重质、轻质、超细、强吸附性粉末，几乎对所有难筛分的粉末有效。
Features Ultrasonic screening system can separate heavy, light, super fine, strong adsorption powder, almost of all difficult to effective screening of powder.
通过增加中碎前预先筛分，对三十亩地选矿厂碎矿工艺流程进行了有效的技术改造。
By adding prescreening before secondary crusher, the technical transformation of crushing technology was done in Sanshimudi concentrator.
通过增加中碎前预先筛分，对三十亩地选矿厂碎矿工艺流程进行了有效的技术改造。
By adding prescreening before secondary crusher, the technical transformation of crushing technology was done in Sanshimudi concentrator.
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