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18714445317银虫 (初入文坛)
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[求助]
求各位大神翻译，汉译英
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| 高温高压条件下热学性质研究的意义却是毋庸置疑，高温高压条件下原位热学性质研究对于完善热物性数据；研究新（热电）材料；探索地球物理中地球动力学、地质演化学和地球内部物质的结构；探究材料高温高压条件下的结构相变等都有重要的意义。最早的矿物高压热导率测量实验的方法是稳态径向热流法，或则称为同心圆柱法，是 Bridgman（1924）引入高压实验的，样品被制作成中空的圆柱形。圆柱中心放置线性热源，圆柱样品外包裹散热材料。给热源加载恒功率电流，使其产生稳定热流，最终在径向产生稳定的温度场。在圆柱样品的内表面和外表面布置热电偶，测量两界面的温度差。根据温差和加热功率，以及由傅里叶定律推导出的圆柱体内径向一维热流的传导方程，就可以计算出样品的热导率。这种方法存在较大的热阻，而且所使用的塑性传压介质在高压下的塑性流动又会造成两热电偶间距的不确定。 |
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18714445317: 金币+50, 翻译EPI+1, ★★★很有帮助, 谢谢 2015-12-07 18:33:31
18714445317: 金币+50, 翻译EPI+1, ★★★很有帮助, 谢谢 2015-12-07 18:33:31
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The significance of studying thermal properties under high temperature condition is no doubt. There are great significances on in situ thermal properties research for improving thermal physical properties under high pressure condition; studies of novel (thermoelectric) materials; explorations of the structure of geodynamics, geological evolution and earth interior material In Geophysics, as well as Structural transformation of materials under high temperature and high pressure,.etc. The earliest experimental method for measuring mineral high thermal conductivity is steady state radial heat flow method, which is also known as concentric cylinder method introduced by Bridgman(1924). The sample was made into a hollow cylinder. Linear heat source was placed in the center of cylinder, and Heat dissipation materials were wrapped outside the cylinder sample. Loading constant power current to heat source could produce stable heat flow and ultimately have stable temperature field. Thermocouple on the inner and outer surface of the sample is arranged to measure the temeprature differrences of the two interfaces. According to the temeprature differrence and heating power, as well as the cylinder diameter to one-dimentional heat flow conduction equation derived by Fourier law, the sample’s thermal conductivity can be calculated. This method has a larger thermal resistance, and plastic flow of the plastic pressure transmission medium under high pressure will lead to uncertainty of the two thermocouple spacing. －－－ 只能仅供参考，像术语的表达和意思就只能楼主自行斟酌了。 |
2楼2015-12-07 18:30:58
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