1. The range which is cleaned up by Plasma arc became small, it tend to format oxidate slag. �����ӻ�������Χ��С�����γ������������
2. Atomic oxygen in a low earth orbit is very active in chemical reactions, and it can oxidate copper. �͵�������ԭ������ѧ���ܷdz����ã���ʹ����ͭ������
3. XRF method that power is directly adopted pressing sample is used to analyse RE oxidate in the rich dysprosium, which is simple and quick. ���÷�ĩֱ��ѹ��������XRF����������������ϡ��Ԫ�أ�������㡢���١�
ӢӢ����
v.
1. enter into a combination with oxygen or become converted into an oxide
2. add oxygen to or combine with oxygen