某厂松脂加工过程中，产生炼脂松香废水、歧化松香废水和二氢月桂烯醇废水等三股高浓度废水。
Three kinds of high concentrated wastewater, pine gum processing effluent, disproportionated rosin-making effluent and citronellol-making effluent have been produced in some plants.
介绍了用一步法、两步法合成甲基环戊二烯三羰基锰的过程，影响收率的主要因素。
The one step and the two steps used in the synthesis of MMT and their advantage and shortcoming are described.
介绍了用一步法、两步法合成甲基环戊二烯三羰基锰的过程，影响收率的主要因素。
The one step and the two steps used in the synthesis of MMT and their advantage and shortcoming are described.
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