Heparin is the most widely used and reliable anticoagulant.肝素为最广泛应用及最可靠的抗凝剂.Heparin is the treatment of choice.肝素为首选的治疗剂.Did you actually see her prepare and administer the heparin?你确定看到了她准备并注射了肝素?...
Lignin is a characteristic component of secondary walls.木质素是次生壁成份的特征.A new syntan product prepared with tar phenol and lignin sulfonic acid.以工业副产物木素磺酸和焦油酚为主要原料研制出一种新的合成鞣剂.Alkali lignin is an abundant, cheap and renewable...