...而镍层中的磷不参与合金反应,因此多余的磷原子则会留在镍层和合金层界面,过多的P在镍和IMC界面富集将形成黑色的富磷(P-Rich)层,同时,存在的镍层腐蚀会影响焊料与镍层的结合,富磷层和镍层腐蚀的存在会降低焊点与焊盘之间的结合强度;当焊点在组装过程中...
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P aris fashions became too expensive for all but the very rich, and American designers came into their own.
除了那些很有钱的人以外,巴黎的时装对所有的人来说都太贵了,所以,美国的设计师开始受到了追捧。
The SEs were rich in mitochondria, P type plastids, and some SEs had nacreous wall.
筛分子内有较丰富的线粒体、P 型质体,有些筛分子有珠光壁。
The P rich zircon is the product of a highly evolved magma, and is might be one of the important characteristic minerals in the high P granite.
富磷锆石是岩浆高度演化的结果,可以看成是高磷花岗岩的一种特征矿物。
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