作者对血小板活力与胞外Ca~(2+)浓度间的关系作了观察。证明在家兔和大鼠的柠檬酸盐抗凝的富含血小板血浆中,以不同的激活剂激活血小板时,其变形速率不因外加不同剂量的Ca~(2+)有所改变;而释放和聚集活力则随外加Ca~(2+)的剂量增加而增加。因此在动物试验中,在其富含血小板血浆中,外加一定量的Ca~(2+)以使血小板活力充分发挥很有必要,以满足当时血小板赖钙反应的进行。 The authors observed the relationship between platelet viability and extracellular Ca ~ (2+) concentration. It is demonstrated that in platelet-rich plasma of anticoagulant citrate in rabbits and rats, the rate of deformation does not change due to the addition of different doses of Ca2 + when platelets are activated with different activators; And aggregation activity increased with the increase of Ca ~ (2+) dosage. Therefore, animal experiments, in its platelet-rich plasma, plus a certain amount of Ca ~ (2 +) in order to give full play to platelet vitality is necessary in order to meet the then platelet-dependent calcium response.