酶促酯交换反应, 尤其酸解是一种可逆反应, 即反应有平衡点,山于平衡的原因,通过这种反应得到的最终产品的得率不理想.Specific lipase - catalyzed interesterification, especially acidolysis is reversible reaction, leading to equilibrium.电镀站是否有酸解电镀铜系统?Is the copper plating process ...
Alain Prost finished third and virtually conceded the world championship.阿兰·普罗斯特以第三名的成绩结束比赛，实际上已经将世界冠军的位置拱手让人。As they reached the start-finish line Prost jinked right and drew abreast.当他们接近起止线时，普罗斯特猛向右转，两辆车并排驶过了终点。Prost ...
The problem was to safeguard sites from encroachment by property development.问题是要保护遗址免受房地产开发商的侵占。Many people took second jobs as a safeguard against unemployment.许多人为防失业都干两份工作。to safeguard a person's interests维护某人的利...
They were almost apologetic about the improvements they'd made.对于他们所做的改进，他们简直感到愧疚。Poverty alleviation has gone hand in hand with improvements in basic services.扶贫工作与基础设施的改进是分不开的.Most drugs offer either no real impro...