HTT：高温四方体

英文缩写词HTT的例句

1. Phase structure, phase transformation and intrinsic magnetic properties of Pt-Co alloys were introduced, Pt-Co alloys form a face-centered cubic phase after solution treated at high temperature, and form an ordered tetragonal phase after annealing.
2. 首先对Pt&Co合金的相结构和相转变以及内禀磁性能作了介绍，合金在高温固溶后形成无序的面心立方相，时效后形成具有永磁性能的四方相。
3. Under the high temperature and high pressure, the hexagonal graphite crystals can change into the tetragonal diamond crystals.
4. 在高温高压下，六方晶格的石墨转变为立方晶格的金刚石。
5. The results show that high sintering temperature is of advantage to improve the density of ceramic substrate. But it is difficult to get stable tetragonal polycrystals zirconia under so high sintering temperature that the grain size has increased over the critical size.
6. 研究了氧化锆基片的烧结工艺，结果表明烧结温度的升高有利于获得高的烧结密度，但温度过高不利于控制晶粒尺寸，难以获得稳定的四方相。