板的纳维叶解是指矩形板在四边简支边界条件下导出的挠度解析表达式。
Navier's solution of plates is an analytical expression on the deflection, which was derived from a boundary condition of simply supported rectangular plates at four sides.
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.
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