某些物质在一定气压下具向熔点．高于熔点，固体就会成为液体，称为相变．同时还有气化点，超过这个温度，物质就处于气态．熔化和气化过程部分别需要熔解热和气化热．反过程则要放出热量．单位体积固体熔解时的需要热量称为潜热，记为L。图4.9 Stefan问题 简单的情况是半无界固液相变，固体和液体之间的界面...
Stefanproblem is free boundary condition of physical equation in thermal transfer when the boundary change. 斯蒂芬问题是研究边界变化时导热规律的的物理方程的自由边界条件. 互联网 STEFAN: I lived in Warsaw last year. I worked in Warsaw for two years. ...
3 Body Problem –《三体》 Griselda –《格里塞尔达》 Those About to Die –《将死之人》 In ewiger Schuld –《永恒罪责》 Haus aus Glas –《玻璃屋》 The Gentlemen –《绅士们》 Shōgun –《将军》 Monster: Die Geschichte von Lyle und Erik Mendez –《怪物2024》 德国人问过Google什么问题? Warum...
But you have to be a bit patient. You need to learn the individual legal systems first before you can compare them. It is indeed the study of different legal systems. So identify a problem, and then you look at the different solutions in different legal systems. Most of the time, they ...
简单的情况是半无界固液相变，固体和液体之间的界面用S（t）表示．固体凝固或熔解时，S（t）会产生移动...