1.求下列用极坐标表示的曲线所围图形的面积 (1)双纽线r2=a2cos2g (2)三叶玫瑰线r=asin3q (3)蚌线r=acos日+b(b≥a)

李毛毛,男,BOD:2004年9月8日10PM 因黄疸1天于2004年9月10日8AM入我院。 患儿系G2P1,39周足月产钳产出生体重

概述 GPS是英文 Navigation Satellite Timing and Ranging G| obal Positioning System的缩写,意为利用卫星导航进行 测时和测距,以构成全球卫星定位系统。是美国国防部主要 为满足军事部门对海上、陆地和空中设施进行髙精度导航 和定位的需要而建立的。自1973年美国军方批准成立联合 计划局开始GPS的研究工作到1993年系统建成该工程历时 20年,耗资300亿美元,成为继阿波罗登月计划和航天飞 机计划之后的第三项庞大空间计划。它从根本上解决了人 类在地球上的导航和定位问题,在军事和工农业等领域得 到了广泛的应用。给导航和定位技术带来了巨大的变化

Chapter 9- Learning objectives Explain the difference between a point and an interval estimate Construct and interpret confidence intervals. with a z for the population mean or proportion with a t for the population mean Determine appropriate sample size to achieve specified levels of accuracy and confidence C 2002 The Wadsworth g

MYCOBACTERIUM THIS GENUS IS COMPOSED OF. Strictly aerobic, acid-fast rods, does not Stain well (gram stain indeterminant) DNA has high g+c content, unique cell wall, Mycolic acid carbon chain length c60 Relatively slow growth(two groups) A. RAPID GROWERS (Visible colonies in <5 days B SLOW GROWERS (Visible colonies in 5 days)

1.掌握现象相似的必要条件和充分条件。 2.相似准数的概念。 3.相似三定理的内容。 4相似转换法求相似准数。Re、Eu、G准数的表达式及物理意义

Chapter 2 The Particle in a Box 2.1 Differential Equations (linear) A (x)+An-(x)y (n-1) +…+Ay=g(x)

大多数机体的能源物质,彻底氧化:G= 2840 KJ/mole 通过磷酸戊糖途径可产生 NADPH和 ribose--5-P 可以以多糖(glycogen or starch)或转化为脂肪 进行长期储存

equipment, and to Dr. G. E. R. Deacon and the a residue on each chain every 3.4 A. in the z-direc- captain and officers of R. R.S. Discovery II for their tion. We have assumed an angle of 36between part in making the observations. at residues in the same chain, so th he 1Young, F. B., Gerrard, H., and Jevons,., Phil Mag., 40, 149 structu on each chain, that

Natural expansion of forest Expansion of forest through natural succession on land that until These terms have been adopted for use in the Global Forest then was under another land use( e.g. forest succession on land Resources Assessment 2000. Further information on definitions previously used for agriculture). It implies a transformation from