About Crystal
About Crystal
Blog Article
8Where do we get this magic wand and crystal ball?我们到哪里获得这种魔棒和水晶玻璃球？
12He tried using yet again in various other metropolitan areas and succeeded with Crystal Caramels.他又在其他几个城市再次尝试，并成功制出了水晶焦糖。
看做工：水晶制品加工过程分为两种，即磨工和雕工。如水晶项链、手链、耳环等属于研磨品；观音像、内画鼻烟壶等属于雕刻品。
If you want to see how crystals are fashioned, you may do some venture in your incredibly have kitchen area and see the formation in the crystals manifest with all your own eyes . This may be finished by Placing a little quantity of desk salt into some common faucet h2o, hold out 24 hrs, and you will see good cubed formations. This transpires because the drinking water is evaporating, which leads to the atoms which make up the salt (the mineral) along with the h2o to come nearer together.
. These 4 constructions comprise most of the binary crystals with equal numbers of cations and anions.
Good Vocabulary: associated words and phrases and phrases Glass blower blowpipe bulletproof glass Lower glass fibreglass frosted glassware glaze glazed glazier glazing prism prismatic punty Pyrex reglaze unglazed vitreous vitrification vitrify See more outcomes » You can even come across associated words and phrases, phrases, and synonyms in the subject areas:
Increase to word checklist Incorporate to word record [ C/U ] transparent rock that appears like ice, or simply a bit of it
市场上有很多人把熔炼水晶也叫做合成水晶，那是不准确的，一般都是以水晶废料为原料在高温高压下熔炼出来的，而不是结晶成的，不具备水晶的晶体特性，所以不能把熔炼水晶与合成水晶混为一谈；但是熔炼水晶耐高温，用优质二氧化硅熔炼成的熔炼水晶可以做成实用产品比如水晶杯、烤盘、茶具等，实际上一代伟人毛泽东主席的水晶棺就是选用东海优质水晶熔炼而成的。
Numerous crystals behave like butter in that they are tricky at very low temperatures but smooth at larger temperatures. They're referred to as solids whatsoever temperatures beneath their melting point. A feasible definition of the reliable is surely an item that retains its form if still left undisturbed. The pertinent issue is just how long the article keeps its shape. A extremely viscous fluid retains its form for an hour but not a 12 months. A good need to hold its shape extended than that.
A crystal method refers to the classification of crystals based on the geometric arrangement and symmetry of their lattice buildings. You can find 7 primary crystal techniques:
say cheese a thing that someone who is getting a photograph of you informs you to state so that your mouth tends to make the shape of the smile
Fig. one: Schematic of website crystal development from making blocks made up of a particle Main and also a shell of DNA ligands connected to the particle surface.
水晶饰品越来越受到人们的喜爱。中国、日本、韩国、美国等国家的人们还对水晶球情有独钟，喜欢将它们摆在家里或办公室里，认为水晶球有灵性，能保平安，带来财运。不过天然水晶不像看起来那么晶莹剔透，它也有瑕疵，我们在选购饰品的时候要注意。此外，我们还要掌握水晶的评价依据、选购方法，这样可以帮助我们在琳琅满目的水晶饰品中选到心仪的水晶。
水晶的价值根据品质、块体的大小、美感和产量多少的不同相差较大。遇到好的天然水晶要敢于下手，但好的水晶一般大家都想得到，值与不值，就要看经验了。由于天然水晶的开采和制作原因，没有瑕疵的水晶很难得到，纯净的饰品要达到与合成水晶媲美的品质，实在是很难得。另外，由于水晶的特性，在佩戴过程中，也会改变其等级，比如因为某种原因，有可能会逐渐产生较大裂纹。