Crystal Things To Know Before You Buy
Crystal Things To Know Before You Buy
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天然的水晶一般都会有絮状（绵绺），也就是大家俗称的瑕疵，这是液体水落石出和二氧化碳的小孔穴，而人工合成的水晶就不会有这样的特征。
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A crystal construction focuses on how the atoms are organized In the crystal. On the other hand, crystallographers are interested in the general shape and sizing on the crystal along with its exterior attributes. To perform this, they need to understand about the crystal system.
诗中道出一段唐代由盛变衰的史实。玄宗末年，杨贵妃得宠，三姐妹并封为国夫人。他们养尊处优，奢华至极，仆人用水晶盘将珍馐佳肴端到宴席上，美人觉得没有口味，懒得动筷子。作为“诗圣”作为“史诗”，紫驼一段写饮食之精美，不空发议论，只尽情揭露事实，无一刺讥语，无一慨叹声，却使人于以外得之：此诗之善讽也。以史为鉴，这样的世道，这样的人物，国家不出“安史之乱”那样的大祸反倒不正常了。
《全唐诗》卷七八五载《白雪歌》：“鸟啄冰潭玉镜开，风敲檐溜水晶折。”
结晶�?When sea drinking water is permitted to evaporate, salt crystals are deposited. 海水蒸发后，盐的结晶体就沉淀下来。
⑩、雷射内雕：以计算机辅助激光设备在水晶对象中进行三维图案的成型，艺术效果好，可以任意表达各类图案，图形，达到逼真效果
Crystals are practically nothing more than an ordered arrangement of molecules or atoms. Crystals come in many various styles and sizes, and every one has diverse qualities. The things they are created of decides how it is going to variety.
24I intend to make my meaning crystal clear.我想把我的意思解释得清清楚楚。《牛津词典》
英语-中文（简体） term #beta Beta /beta #preferredDictionaries ^chosen identify /selected /preferredDictionaries
Solitary crystals of metals are gentle and malleable, though polycrystalline metals are more difficult and stronger and tend to be more beneficial industrially. Most polycrystalline resources could be manufactured into massive single crystals immediately after extended heat remedy. In the past blacksmiths would heat a bit of metal to make it malleable: warmth would make some grains mature large by incorporating smaller sized ones. The smiths would bend the softened metal into shape and then pound it awhile; the pounding would enable it to be polycrystalline again, increasing its strength.
Crystal Lattices You will discover seven systems of crystal buildings, which are also called lattices or House lattices:
⑤、打孔：是在水晶成品未完成前，根据其所需打孔之尺寸及位置，以钻头加工，如制表件、笔筒、瓶孔等。
This crystal composition is answerable for the exceptional Bodily and chemical properties of sodium chloride, such as its high melting get more info stage, electrical conductivity, and ability to sort ionic bonds easily.