大学物理(热学) 金晓峰 复旦大学物理系 xijin@fudan.edu.cn 2006-9-12 2021/9/5
2021/9/5 1 大学物理（热学） 金晓峰 复旦大学物理系 xfjin@fudan.edu.cn 2006-9-12
冷热的感觉
冷热的感觉
伽利略 Galileo galilei 温度计的发明
伽利略 Galileo Galilei 温度计的发明
100°C 212°F 200°F 150°F 50°C -100°F 50°F 0°C 32°F O°F Celsius Fahrenheit (centigrade) FIGURE 17-6 Celsius and Fahrenheit scales compared
Black(1728-1799) By the use of these instruments we have learned. that if we take 1000 or more different kinds of matter such as metals stones. salts. woods. cork. feathers. wool. water and a variety of other fluids although they be at first of different heats, let them be placed together in the same room without a fire
Black（1728—1799) “By the use of these instruments we have learned, that if we take 1000 or more different kinds of matter, such as metals, stones, salts, woods, cork, feathers, wool, water and a variety of other fluids, although they be at first of different heats, let them be placed together in the same room without a fire