美国宝石学会（GIA）以及大多数大型宝石学实验室不为裂隙填充（fracture-filled）钻石出具证书。根据美国联邦贸易委员会（US Federal Trade Commission）以及世界珠宝联盟（CIBJO）的规定，所有的裂隙填充（frac...
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If you see flashes of single colors, then you are looking at a fracture filled, treated diamond.
如果你看见单一颜色的闪光，那么你看到的就是一颗处理加工过的钻石。
Conclusion the fracture strength of premolar teeth filled with light curing composite resin was higher than filled with amalgam after root canal therapy.
结论根管治疗后用光固化树脂充填前磨牙的各类洞，牙体的抗折强度优于用银汞充填者。
A tensile facture fractal model of grain filled polymer composites on the base of the fractal theory was established, and an equitation of the tensile fracture fractal dimension was proposed.
基于分形理论构建了颗粒填充高分子复合材料拉伸断口的分形模型，进而提出了分形维数计算公式。
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