【摘 要】
：
Heterogeneous nucleation in a conically shaped pit on the surface of a plane surface substrate is investigated.The growing process of a cluster on the substrate
【机 构】
：
School of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 6
论文部分内容阅读
Heterogeneous nucleation in a conically shaped pit on the surface of a plane surface substrate is investigated.The growing process of a cluster on the substrate consists of three stages:growing within the conical cavity,at the cavity edge and outside the cavity.In every stage,the thermodynamic criterion of a cluster growing into a nucleus depends on both the conical cavity dimensions and the substrate materials.The free energy barrier for nucleus formation and the condition of twice nucleation are obtained.
其他文献
The carrier doping effects on the magnetic properties of defective graphene with a hydrogen chemisorbed singleatom vacancy (H-GSV) are investigated by performin
针对电容引信探测器静态输出随温度变化而较大幅度漂移的现象,从稳定振荡器振幅及拓宽检波级工作范围入手分别提出了抑制该探测器静态输出漂移的几种方法.给出了实现这些方法
音乐教育就是将人世间美好的一切以音乐的方式传递给学生，使之感知音乐旋律、音乐形象，提高音乐文化素养及审美能力，它是一种与美相结合的、渗透于心灵的情感教育。身为一名从教多年的教师，笔者一直在探寻如何推动音乐课堂向更高质量处发展。实践中，笔者发现巧用图形谱教学，是一种能够高效完成教学任务的手段，可以帮助学生较快地感受音乐美，获得愉悦的音乐体验。 一、歌唱教学中的图形谱运用 歌唱是音乐课堂的主要内容
Based on the generalized uncertainty principle,the thermodynamics of Fermi gas in high density,high pressure and high temperature are calculated.As the temperat
The first principles calculations based on density functional theory are performed to investigate the stability,chemical bonding,elastic constants,hardness and
“涨价”意味着风险,也意味着机会,“涨”得好货如轮转,“涨”不好愁云惨淡宣布涨价的实质,就是要促使客户囤货,所谓同行竞争,在此时就是干方百计地抢占客户仓库库容和店面堆
体育教学是重要的教学内容，对学生综合素质的提高有着重要影响。当前，许多体育课的教学效果并不理想，学生在体育课上热情不高，课堂教学仅限于自由活动和简单的运动教学。伴随着游戏在体育教学中的应用，体育教学逐渐有了新的发展，这种方法可以提高学生的课堂参与度，激发学生的学习积极性。 一、游戏应用于体育教学中的意义 （一）丰富课堂内容，增加课堂乐趣 体育教学本就应该处于放松、快乐的氛围中，并且体育运动大
A semiclassical kinetic model is explored to investigate the wake effects in the transport of charged particles through single-walled (SWCNT) and double-walled
小学阶段的学生对游戏的喜好是本能的、强烈的,但是当游戏不断地重复后,学生难免会有枯燥无趣之感.如何让游戏在体育课堂中获得持久旺盛的生命力,并能够持续为教学服务呢?教
Zr-Ti binary alloys are prepared using a nonconsumable tungsten electrode under Ti-gettered inert atmosphere (argon).Microstructures are observed mainly as a ph