5 Simple Statements About Crystal Explained
5 Simple Statements About Crystal Explained
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Not all crystals are Similarly crystalline. There will often be impurities, and also the ionic & covalent in between molecules can make vastly unique buildings out of a similar materials. An excellent example of this are diamonds and graphene.
①压电效�?在机械力(压力或拉�?作用下，水晶单晶体的两端会产生电荷，其电量相等但符号相反。在工业上，无色、无缺陷、不具双晶的水晶常被用来作压电石英片。
景观水晶，就是包裹体组成各种造型特异的水晶，有的似山水，有的似人物，有些像文字，有些像动物，植物，器物等等。
Big crystals of diamond are worthwhile gemstones. The crystal has other intriguing Houses; it has the best sound velocity of any stable and is the best conductor of heat. In addition to diamond, the opposite prevalent type of carbon is graphite, which is a layered product. Every single carbon atom has a few coplanar close to neighbours, forming an arrangement called the honeycomb lattice. Three-dimensional graphite crystals are obtained by stacking very similar layers.
25If you are a Billy Crystal lover, you may appreciate this movie.如果你是比利·克里斯特尔的影迷，你就会喜欢这部电影。《柯林斯英汉双解大词典》
Learn the way The form from the crystals determine the different minerals into familiesMinerals crystallize In accordance with one of 7 motifs, often called crystal units.
水晶与高档宝石的净度要求有很大不同。高档宝石稀少罕见，所以一般人们普遍对高档宝石的净度不会过于苛求。而水晶的产量着实大得惊人，所以通常人们会要求水晶净度越高越好，尽量避免有较明显的内含物的水晶。
1A crystal chandelier lit the home.一盏水晶吊灯照亮了房间。《柯林斯英汉双解大词典》
水晶包裹体丰富多彩，从气体、液体到各种矿物质，甚至宝石，均可被包含于水晶内，各种包裹体所形成的景象更是变化万千。按照包裹体的内容，常把包裹体水晶分为一下八类：
The definition of the reliable appears clear; a sound is normally considered remaining tough and firm. Upon inspection, having said that, the definition becomes much less straightforward. A cube of butter, for instance, is difficult after remaining stored inside of a refrigerator and is clearly a solid. After remaining over the kitchen counter for daily, a similar dice becomes fairly tender, and it is unclear if the butter must even now be considered a reliable.
15The trick to a good thermoelectric substance is a crystal composition in which electrons can move freely.制造一种好的热电材料的关键是，需要一种电子可以自由流动的晶体结构。
The arrangement of an atom’s electrons establishes its chemical Houses. The Houses of solids are frequently predictable in the Houses in their constituent atoms and molecules, and the various shell buildings of atoms are for that reason liable for the range of solids.
This Assessment chronicles in excess of twenty years of study into creating a genetic code for crystal engineering. As opposed to directing biological processes, this code utilizes synthetic kinds of DNA to programme the assembly of nanoparticles and microparticles into 1D, 2nd and 3D crystalline architectures, in which almost each element of the resultant constructions is usually systematically controlled. Inside this conceptual framework, the structural and purposeful improvements are described in order to outline the current degree of sophistication and to predict potential directions in the System.
This crystal composition website is liable for the exclusive physical and chemical Qualities of sodium chloride, which include its high melting position, electrical conductivity, and talent to type ionic bonds simply.