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本文对美国BAIRD公司生产的DV-4直读光谱仪用于密封火花架的氮化硼片及其代用品A片在光谱分析中的使用情况进行了对比分析,证明代用品A片在使用中的可行性。
In this paper, BAIRD company produced by the United States DV-4 direct-reading spectrometer used to seal the sparks of boron nitride sheet and its substitute A film in the spectrum analysis of the use of a comparative analysis to prove that Substitute A film in use feasibility.