5 Simple Statements About Crystal Explained
5 Simple Statements About Crystal Explained
Blog Article
27Local economists have looked into their crystal balls and viewed something instead horrible.当地的经济学者们已预测到将会出现棘手的问题。《柯林斯英汉双解大词典》
Crystals are stunning rock formations that have surprised human beings for Many yrs. These are used for numerous different things, not only for decoration. Most of the initially radios ever invented employed crystals to transmit the radio waves. Some instruments, like quartz watches and laser crystals, use Distinctive Attributes and harmonic capabilities of crystals to generate hugely correct measurements and adjustments.
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。
Tetragonal: These crystals type prisms and double pyramids. The composition is sort of a cubic crystal, besides 1 axis is for a longer time than the opposite.
25If you are a Billy Crystal admirer, you are going to enjoy this film.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》
无色水晶与无色长石因折射率和密度十分接近故较难区分。主要方法是放大检查。长石有两组极完全解理，显微镜下可见两组解理相交而成的“娱蛤状”包裹体或细直的纹理，而水晶则无解理发育，仅有时可见断续不规则的裂理。
⑦、镀彩：运用类似电镀的手法在水晶表面以不同的色彩，层面较薄，经摩擦可划伤�?；出现划痕，由于镀彩经常位于底部，因此在镀彩底部经常采用其它对象附着，如生肖文镇。
Crystals are absolutely nothing greater than an purchased arrangement of molecules or atoms. Crystals are available a variety of sizes and shapes, and each one has diverse features. The things they are made of establishes how it'll type.
Cite Though every effort and hard work has long been created to adhere to citation design procedures, there might be some discrepancies. Please confer with the suitable design manual or other sources In case you have any thoughts. Select Citation Design
A crystal process refers to the classification of crystals determined by the geometric arrangement and symmetry in their lattice constructions. You'll find 7 key crystal systems:
15The trick to an excellent thermoelectric product is really a crystal framework in which electrons can circulation 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 sodium chloride crystal lattice is characterised because of the shut packing from the good sodium ions and adverse chloride ions. Each sodium ion is surrounded by 6 chloride ions, and every chloride ion is surrounded by six sodium ions, developing a extremely secure and symmetrical construction.
crystal, any reliable substance where the ingredient atoms are organized in a definite pattern and whose area Crystal regularity displays its internal symmetry.
Fig. 5: The ability to realize defined crystal routines is dependent on the symmetry engineering approach.