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PekingUniversity最低温度表 ( 酒精 )最低温度表的结构特征 : 毛细管较粗 , 内装透明的酒精 , 游标悬浮在毛细管中。如图2008-11-15 18/119 刘树华
PekingUniversity最低温度表的测量原理 :观测时将游标调整到酒精柱的顶端 , 然后将温度表平放。升温时 , 酒精从游标和毛细管之间的狭缝通过 , 游标不动 ;温度下降时 , 液柱顶端表面张力使游标向球部方向移动。因此 , 游标指示的温度只降不升 , 远离球部的一端将指示出一定时段的最低温度。2008-11-15 19/119 刘树华
Page 1 and 2: PekingUniversity大气探测学
Page 3 and 4: § 5.1 概述PekingUniversity温
Page 5 and 6: PekingUniversity2. 水的沸点
Page 7 and 8: PekingUniversity温度尺度绝
Page 9 and 10: PekingUniversity二、测温方
Page 11 and 12: §5.2 测温元件PekingUniversi
Page 13 and 14: PekingUniversity液体玻璃温
Page 15 and 16: PekingUniversity(1) 水银玻璃
Page 17: PekingUniversity最高温度表
Page 21 and 22: 二、双金属片测温元
Page 23 and 24: PekingUniversity双金属片温
Page 25 and 26: PekingUniversity2008-11-15 25/119
Page 27 and 28: 双金属片温度计测温
Page 29 and 30: 双金属片温度计测温
Page 31 and 32: 三、热电偶温度计Peki
Page 33 and 34: PekingUniversity根据导体的
Page 35 and 36: PekingUniversity一种是测定
Page 37 and 38: PekingUniversity热电偶的电
Page 39 and 40: PekingUniversity气象上使用
Page 41 and 42: PekingUniversity使用热电偶
Page 43 and 44: PekingUniversity在大气测温
Page 45 and 46: 2. 金属电阻测温电路P
Page 47 and 48: PekingUniversity当环境温度
Page 49 and 50: PekingUniversity假设 r = r , 则
Page 51 and 52: PekingUniversity(2) 双滑臂测
Page 53 and 54: PekingUniversity其中 Rtmax 和 R
Page 55 and 56: PekingUniversity存在问题 :(1
Page 57 and 58: PekingUniversity将 (5.15a) 式代
Page 59 and 60: PekingUniversity为了使输出
Page 61 and 62: PekingUniversity当 T=T 0 时 ,R T
Page 63 and 64: 线性化输出平衡电桥
Page 65 and 66: PekingUniversity解上述联立
Page 67 and 68: PekingUniversity由 (1)、(2)、(3)
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PekingUniversity将 (4) 式代入
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PekingUniversity电位器的数
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PekingUniversity一、热滞系
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二、环境温度恒定时
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PekingUniversity由 (5.30) 可见
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PekingUniversity若温度表示
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PekingUniversity例 5: 阿斯曼
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PekingUniversity对 (5.33) 求解
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PekingUniversity求 (5.37) 式齐
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PekingUniversity当 τ = 0,T = T 0T
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PekingUniversity例 : 百叶箱
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PekingUniversity§5.4 气温测
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气温测量中的防辐射
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5.4.1 百叶箱PekingUniversity
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百叶箱PekingUniversity高 537
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5.4.2 通风干湿表PekingUniv
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5.4.3 防辐射罩PekingUniversi
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微气象观测系统PekingUn
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PekingUniversity(2) 直管地温
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PekingUniversity2008-11-15 107/119
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PekingUniversity(5) 深层地温
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PekingUniversity§5.6 声雷达
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§5.6 复习思考题PekingUniv
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