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一九八五年五月英国 1、井下换热各系数的现场测定:①岩石热特性的测定,②表面换热系数的测定 (匈牙利)G.丹科 2、岩样的热导率的测定及该岩层热流的预测(日本)H·基约哈雪 3、深井岩石初始温度的井下测定法 (波兰)人·弗路兹 4、山区隧道里岩层的地热条件(苏联)S·卜俄尼亚尼
May 1985, UK 1. Field measurements of various factors for downhole heat exchange: ① Determination of rock thermal properties, ② Determination of surface heat transfer coefficient (Hungary) G. Danke 2. Determination of thermal conductivity of rock samples (Japan) H. Kitahashita Downhole Measurements of Deep Rock Initial Temperatures (People) Freund 4. Geothermal Conditions of Rock Formations in Mountain Tunnels (USSR) S. Bugny Yani