ix rock reference materials including ijolite syenite,trachyte andesite,granodiorite,gabbro,rhyolite and dolomite were prepared.
研制了霓霞正长岩、粗面岩、花岗闪长岩、辉长岩、流纹岩及白云岩6种不同类型的岩石标准物质。
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