从法纳尔大厅到比肯山再到哈佛大学,从保罗·里维尔的故居到波士顿大屠杀的发生地,游客们可以在一个下午的时间里找到一大块国家遗产。
From Faneuil Hall to Beacon Hill to Harvard, Paul Revere's house or the site of the Boston Massacre, visitors can find a huge chunk of the nation's heritage in one afternoon.
我还在纳什维尔,完成了法校的头一年学习,现在正好有点空闲。
I'm still in Nashville. I finished my first year of school and now I'm just taking some time off.
维尔纳叶法合成刚玉是目前市场上最常见的,因此,弧形生长纹和气泡是宝石学家进行鉴定时重要而有力的关键依据。
Verneuil synthetic corundum is by far the most common in the market. Thus it is vital that gemologists are familiar with the key identifying features - curved growth lines and gas bubbles.
图1。一批维尔纳叶法工艺生长的半晶柱,演示了这种晶体生长的各种颜色。
Figure 1. A selection of half boules grown by the Verneuil process, illustrating many of the colors these crystals are grown in.
图1。一批维尔纳叶法工艺生长的半晶柱,演示了这种晶体生长的各种颜色。
Figure 1. A selection of half boules grown by the Verneuil process, illustrating many of the colors these crystals are grown in.
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