The effects of floating dusts of sand and dust storm to raw coal, coke and content of ashes is analyzed, and some emergency measures, future work methods and left questions in put forward.
分析沙尘暴的扬尘对生产中原煤和焦炭灰分含量的影响，提出应急措施和工作方法以及遗留问题。
Results: The inspecting limit of water content, total ashes, acid-insoluble ashes and extracts has been identified through experimental results.
结果：确定了垂头菊的水分、总灰分、酸不溶性灰分、浸出物的检查限度。
Results: The inspecting limit of water content, total ashes and extracts have been identified through experimental results.
结果：确定了石榴的水分、总灰分、浸出物的检查限度。
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