Methoxychlor consignment four major production companies, acetate cobalt, manganese acetate series of intermediate products.
公司主要生产四氯苯醌、醋酸钴、醋酸锰等中间体系列产品。
A high-activity catalyst system for polyester consisted of Sb 2(EG) 3 and at least one kind of metal acetate catalyst of manganese, zinc, cobalt or lead.
选择乙二醇锑以及至少一种锰、锌、钴、铅等金属醋酸盐共同组成高效聚酯催化剂体系，研究其对缩聚反应的催化作用。
A high-activity catalyst system for polyester consisted of Sb 2(EG) 3 and at least one kind of metal acetate catalyst of manganese, zinc, cobalt or lead.
选择乙二醇锑以及至少一种锰、锌、钴、铅等金属醋酸盐共同组成高效聚酯催化剂体系，研究其对缩聚反应的催化作用。
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