...6孔收集板（Collection Plate）的每孔中加入DNA反应液，估计DNA反应液体积，加入3倍体积的BufferPB，加盖封口膜（Sealing Film），上下翻转6-8次使溶液充分混匀，短暂离心使封口膜上的液体回落板中。
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hot-sealing film bagged packing machine 热封薄膜袋式包装机
heat-sealing film 热封烫合薄膜
sealing film bagged packing machine 热封薄膜袋式包装机
rubber sealing film 橡胶密封膜
mono-phase sealing film 单相封存涂膜
Heat sealing complex film 热封性复合膜
plastic film continuous sealing machine 塑料薄膜连续封口机
Specializes in production of different kinds sealing film automatic packing films and packing material.
专业生产各种封口膜，自动包装膜，包装材料等。
It is characterized by that it is formed from 5 layers of plastic pipe, adhesive layer, steel pipe, alloy layer and hole-sealing film in turn fron inside to outside.
其特征在于该合金钢塑复合管由5层组成，从里到外依次是塑料管、粘结剂层、钢圆管、合金层、封孔膜。
The results indicated that the sealing parameters changed remarkably near the opening critical film thickness in the start up process.
研究表明，启动过程中，密封的特性参数在开启临界气膜厚度附近快速变化；
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