1.传热学(Heat Transfer) (1)研究热量传递规律的科学,具体来讲主要有热量传递的机理、规律、计算和测试方法。 (2)热量传递过程的推动力:温差热力学第二定律:热量可以自发地由高温热源传给低温热源→有温差就会有传热→温差是热量传递的推动力

once oncu n a paiuicuia positon on DNA, a nucleosome remained fixed in place because of the tight association 30-nm 98A5 sequence-specific DNA-binding proteins nucleosome

第三讲运算符和表达式 一、表达式 二、算术运算符和算术表达式 三、标准库函数调用 四、算术表达式中数据类型的转换

正如下面讲到的,由式(5.21)给出的线性控制律是最优控制律。所以,若能确定矩阵K中的未知元素,使得性能指标达极小,则u(t)=-Kx(t)对任意初 始状态x(0)而言均是最优的。图5.6所示为该最优控制系统的结构方块图

参考教材 本讲义的主要参考教材 [][美]Katsuhiko Ogata著,卢伯英,于海勋等译,《现代控制工 程》(第三版),电子工业出版社,2000年。 [2]郑大钟编著,《线性系统理论》,清华大学出版社,1990年。 [3]常春馨主编,《现代控制理论基础》,机械工业出版社,1988 年

一、了解胎儿循环及出生后的变化 二、熟悉先天性心脏病的病因和分类,诊断方法 三、掌握常见先心病的血液动力学、临床表现常见并发症、诊断和治疗原则

一、是一种少年儿童常见的结缔组织病 One of the most common connective tissue diseases of children 二、以慢性关节炎(滑膜炎)为主要特点 Characterized by chronic arthritis (synovitis of the joints) 三、多脏器受累,如肝脾肿大、淋巴结肿大、浆膜炎(心包积液)等 Visceral involvement ,such as hepatosplenomegaly, lym- phadenopathy and serositis (pericardial effusion)

Definition PEM is manifested primarily by inadequate dietary intakes of protein and energy. PEM is almost always accompanied by deficiencies of other nutrient. PEM can be divided as primary PEM and secondary PEM

Definition PEM is manifested primarily by inadequate dietary intakes of protein and energy. PEM is almost always accompanied by deficiencies of other nutrient. PEM can be divided as primary PEM and secondary PEM

Diseases of the Blood in Children Anemias Nutritional anemias (Iron deficiency iron) Hereditary spherocytosis Glucose-6-phosphate dehydrogenase (G-6-PD) deficiency Thalassemia Bleeding disorders(Hemorrhagic diseases) ITP Hemophilia