M12

M12

1

Two polymerization systems were studied , which were styrene ( St ) - M12 system and butyl acrylate ( BA ) - M12 system .

本文详细研究了苯乙烯M12和丙烯酸丁酯M12两个反应体系。
2

The FT-IR spectrum of product indicated that copolymer P ( S-M12 ) is prepared and the composition of M12 elevates with the increase concentration of M12 added .

产物的红外光谱分析表明，可聚合表面活性剂与苯乙烯发生了共聚，随M12加入量的增加，M12共聚组成提高。
3

Method : Ninety patients with cardiac arrest were divided into A / B two groups . A group is 20 successful cardio-pulmonary-cerebral resuscitation cases ( M12 , F8 ; age 50 . 3 a ± 12.5 a ) ;

方法：90例心脏呼吸骤停病人分为2组，其中A组为心肺脑复苏成功20例（男性12例，女性8例，年龄50.3a±12.5a）；