A simple sample injection technique which can he considered as a simplification of cold on-column injection has been proposed.

本文提出了一种简化的毛细管色谱“冷柱上进样”技术并对其性能进行了研究。

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According to the theory on stock column skeleton of BF and the economic analysis of injection, a new concept on limit of injected coal and critical replacement ratio is proposed.

根据料柱骨架理论和喷煤技术经济分析，提出了高炉喷煤极限和临界置换比的新概念；

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