This paper derives the expression of dynamic friction coefficient for collisional granular flows at flat walls.An import......

目的 探讨血液流变学变化对脂肪肝的影响。方法 脂肪肝患者４０例，空腹抽静脉血，肝素抗凝，测定全血比粘度、血浆比粘度、血沉、血沉Ｋ值、......