Objective to study the activity changes of succinate dehydrogenase (SDH) and acid phosphatase (ACP) in anterior wall of left heart at different ischemic period and to explore the injury mechanism.
Salicylic acid, phthalic acid, sodium succinate could serve as co metabolic substrate to enhance the degradation rate of pyrene, and sodium succinate has the best effect.
水杨酸，邻苯二甲酸，琥珀酸钠能作为共代谢底物提高芘的降解率，琥珀酸钠效果最好。
3
Taking succinic acid, alcohol as material, cation exchange resin as catalyst the diethyl succinate is synthesized.