5 Essential Elements For Crystal
5 Essential Elements For Crystal
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诗中“胜美玉”,“过冰清”,写出水晶的质地美,而“亦欲应时明”则描绘出水晶充满灵性的动态美,耐人寻味。罗维是有独特眼光,懂得水晶真谛,第一个称赞水晶超过美玉的伟大诗人。他的认识已被千年之后的科学理论所证实;以水晶为直接吟咏对象的诗篇还有:
按照透明度指标,水晶越透明,价格越高,好的透明的水晶加工出的成品晶莹剔透、光辉耀眼。透明度高的水晶能提升颜色的艳丽,否则显得呆板无灵性。光学水晶要求全透明、无双晶、无杂质。工艺水晶要求透明、少裂、少瑕疵。熔炼水晶要求透明,可有较多裂纹。三者价值依次降低,熔炼水晶只能作为熔炼水晶玻璃的原料。在工艺水晶中,晶体较大的,可用来做水晶眼镜和雕刻高档工艺品,因而价格较高。
These improvements include exotic buildings with programmable lattice symmetries and nicely-outlined crystal behavior, responsive elements that leverage the intrinsic Attributes of nucleic acids to manipulate structures on desire, nanoparticle superlattices developed epitaxially from surfaces and colloidal crystals which offer insights into gentle–make a difference interactions. Hunting forward, we challenge the Group to leverage the amazing structural Manage afforded by crystal engineering with DNA to synthesize classes of purposeful elements that press outside of what has been probable with Normally happening crystalline elements or All those created by a lot more common procedures.
Tetragonal: These crystals kind prisms and double pyramids. The structure is sort of a cubic crystal, apart from one axis is more time than the other.
水胆水晶,包括气态,液态,固态,有时候可以同时多态并存,无色居多,个别情况下可见红色,绿色,黄色,蓝色,黑色等。
Intelligent Vocabulary: linked phrases and phrases Glass blower blowpipe bulletproof glass Slash glass fibreglass frosted glassware glaze glazed glazier glazing prism prismatic punty Pyrex reglaze unglazed vitreous vitrification vitrify See a lot more effects » You may as well come across related words and phrases, phrases, and synonyms within the subject areas:
根据包裹体和主晶宝石之间形成的先后关系可将水晶的包裹体划分以下三种类�?
11I meticulously opened the offer and located a crystal bell inside.我小心地打开包裹,发现里面有一个水晶钟。
13Nearly more info all pcs have a quartz-crystal clock to control their operation.几乎所有的计算机都有一个石英晶体时钟来调节它们的运行。
颜色:无色,浅至深的紫色,浅黄、中至深黄色,浅至深褐、棕色,绿至黄绿色,浅至中粉红。
Browse cryptosporidiosis cryptosporidium cryptozoologist cryptozoology crystal crystal ball crystal very clear idiom crystal lattice BETA copyright #randomImageQuizHook.filename #randomImageQuizHook.isQuiz Check your vocabulary with our enjoyment impression quizzes
The sodium chloride crystal lattice is characterised by the shut packing with the positive sodium ions and damaging chloride ions. Just about every sodium ion is surrounded by six chloride ions, and every chloride ion is surrounded by six sodium ions, creating a extremely steady and symmetrical construction.
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。
Clever Vocabulary: similar text and phrases Geology: mineralogy beneficiation crystalline deposit gemologist gemology gold dust graphite idiomorphic intercrystalline like gold dust idiom magnesium mineral nugget pyrite quasicrystal seam silicon unmined vermiculite vulcanicity See much more final results » You may also obtain related words, phrases, and synonyms in the matters: