New information on the response of vegetation to air-fall volcanic ash is provided by analysis of phytoliths from sediments containing major tephra beds.
2
氮化镓是增长了等离子体辅助(111)和分子束外延(001)硅衬底上氮化硅缓冲层使用铪。
Gallium nitride is grown by plasma-assisted molecular-beam epitaxy on (111) and (001) silicon substrates using hafnium nitride buffer layers.
3
设置在负极集电体上 的负极活性物质层中的硅具有局部有序性的程度低的非晶结构。
Silicon in an anode active substance layer provided in an anode current collector has an amorphous structure with a low degree of a local order.
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