通过混合用过的催化剂、金属和布朗斯台德酸以加氢混合聚合物 来对已经被所述混合聚合物失活的所述用过的酸性离子液体催化剂进 行再生。
A used acidic ionic liquid catalyst, which has been deactivated by conjunct polymers, is regenerated by combining the used catalyst, a metal and a Broensted acid to hydrogenate the conjunct polymer.
专家估计40 - 70%的住院病人在住院期间使用过抑酸药物,有一半人是第一次使用。
Experts estimate that 40 percent to 70 percent of inpatients now receive acid-suppressive drugs during a hospital stay, with about half receiving them for the first time.
用丙烯酸蔗糖酯代替价格昂贵的烯丙基蔗糖醚作为交联剂,用过硫酸钾为引发剂,在水溶液中反应制取卡波姆。
Sucrose acrylate is used as a crosslinking agent instead of the expensive sucrose ether, and potassium persulfate is used as a initiator to prepare carbomer in the water solution.
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