When bonding temperature was 1403 K, reaction layer grew fast at first and then slow down with the increase of bonding time.
在连接温度为1403 K的条件下,随着连接时间的增加,界面反应层厚度先快速增加,再缓慢增加。
A new definition of reverse recovery softness K of fast diodes is given, and the relationship of reverse over voltage to the softness K of the fast diode is derived and verified by experiment.
给出了快速二极管软度K的新定义;推导出快速二极管反向过电压与软度K的关系,经试验证实了软度K与反向过电压的对应关系。
The results showed that the application of potash could raise both the contents of the fast available K and the slowly-released K in soil.
结果表明:供试土壤施钾后不仅提高耕层土壤速效钾含量,而且也很快向缓效钾方向转化,转化量随钾肥用量的提高而增大。
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