Screen Printed Selective Emitter 硅墨技术的丝网印刷选择性射级光伏电池
One of the functions of culture is to provide a highly selective screen between man and the outside world.
文化的功能之一是为人和外部世界之间提供一个具有高度选择性的屏障。
The extracted hemicellulose were used as selective carbon source for selective medium to separate and screen xylanaseproducing strains.
以提取的半纤维素作为选择性碳源，可用来制备分离筛选木聚糖酶产生菌的分离培养基；
A new type of high contrast filter has been investigated in this paper. lt has features of lower light reflection on surface, selective transmission and effective electromagnetic screen.
本文介绍自行研制的高对比度滤光片。它具有较低的表面光反射率、选择性透过率和电磁屏蔽特性。
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