...的孔金属化工艺就是PCB加工制造技术中最为重要的工序之一,为了实现孔的金属化,通常采取化学铜(PTH制程)、黑孔(Black Hole)以及导电高分子膜的方法来实现树脂基材的导电,但是通过这些方法实现的导电层不足以达到使用的条件,因此还需要利用电镀铜的方法...
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校正:这篇文章稍早的版本,错把“1996年最初把DNA链穿过用AHL蛋白质做成的纳米孔”作为了黑根·贝利的贡献。
Correction: an earlier version of this article wrongly attributed the initial threading of DNA through nanopores made using AHL proteins, in 1996, to Hagan Bayley.
原来天鹅们将那只冻在冰上的黑额黑雁围住了,我的朋友担心那只命在旦夕的黑额黑雁或许将在一群天鹅的利喙下变得千疮百孔。
As the swans surrounded the frozen goose, she feared what life it still had might be pecked out by those great swan bills.
原来天鹅们将那只冻在冰上的黑额黑雁围住了,我的朋友担心那只命在旦夕的黑额黑雁或许将在一群天鹅的利喙下变得千疮百孔。
As the swans surrounded the frozen goose, she feared what life it still had might be packed out by those great swan bills.
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