Inhibition of macrophage-mediated phagocytosis has emerged as an essential mechanism for tumor immune evasion.One mechanism inhibiting the innate response is th
Brain-dead donors have become one of the main sources of organs for transplantation in Weste countries. The quality of donor organs is closely related to the ou
Benralizumab is a monoclonal antibody that targets interleukin-5 receptor a to deplete blood eosinophils and improve the clinical outcomes of allergic asthma.We
Chronic disseminated intravascular coagulation (DIC) is a rare but devastating complication of aortic aneurysm (AA).This study investigated the clinical manifes
This study aims to determine whether successful laparoscopic fundoplication for gastroesophageal reflux disease (GERD) can improve the control of hypertension.W
Single-strand break repair protein poly(ADP-ribose) polymerase 1 (PARP1) catalyzes the poly(ADP-ribosyl)ation of many key proteins in viva and thus plays import
β-thalassemia is caused by β-globin gene mutations.However,heterogeneous phenotypes were found in individuals with same genotype,and still undescribed mechani
摘 要:多媒体是一种教学手段,只起辅助作用。教师在运用多媒体时要选择恰当的时机,就是当其他教学手段达不到预期效果,而通过多媒体就能使它实现的情况下使用。运用多媒体的策略有:利用多媒体,创设良好的情感环境;利用多媒体,凸现数学知识的本质;利用多媒体,动态展示知识的形成;利用多媒体,引入新鲜的学习素材;利用多媒体,呈现数学化的学习材料;利用多媒体,培养学生的创新意识。 关键词:多媒体;数学教学;定位