Crystal Things To Know Before You Buy
Crystal Things To Know Before You Buy
Blog Article
This idea applies equally in a single, two, and three-dimensional Areas. The complete crystal lattice could be built by continuously reproducing the pattern on the device mobile in all directions.
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。
结晶的形状非常细小,需要用显微镜才能看得清楚,外观上看起来是平滑、块状。常见最多的是各式玛瑙
Fig. seven: A template-directed tactic can Command The position of constructing blocks on a area while in the development of complex structures.
Crystalline composition is characterised by a geometric, repeating sample of symmetric molecular structure. The arrangement of atoms kinds these purchased, repeating patterns.
These illustrations are from corpora and from sources on the internet. Any views within the examples will not stand for the impression of the Cambridge Dictionary editors or of Cambridge College Press or its licensors.
对任何宝石来说,颜色都是非常重要的,水晶也不例外。如果是水晶晶体是有颜色的,如粉水晶、黄水晶、紫水晶等,其颜色评价的最高标准则是明艳动人,不带有灰色、黑色、褐色等其他色调。如粉水晶,颜色以粉红为佳;紫水晶,要求颜色为鲜紫,纯净不发黑;黄水晶,要求颜色不含绿色、柠檬色调,以金橘色为佳。对于发晶来说,晶体的颜色也是很重要的。相同发丝的金发晶,晶体完全无色(白水晶)和晶体略偏茶色,肉眼的视觉观感也是有差别的,所以前者的价格会高于后者。
26Some of the finest ingesting glasses are made from guide crystal.一些最精致的酒杯是用铅晶质玻璃制成的。《柯林斯英汉双解大词典》
水晶常以晶簇、晶洞形式产出,其中水晶洞一般存在于由火山喷发而形成的巨厚熔岩流层的火成岩与玄武岩中。火山喷发时所含的气体或热水溶蚀等作用导致岩层中出现大量的孔隙,当富含硅质矿物的流体进入较薄的熔岩孔隙中,且温、压条件合适时将结晶沉淀出水晶等矿物。
The definition of a stable appears obvious; a sound is generally regarded as currently being tricky and organization. Upon inspection, on the other hand, the definition results in being considerably less easy. A dice of butter, one example is, is hard soon after being stored inside a refrigerator and is particularly Obviously a reliable. Immediately after remaining about the kitchen counter for on a daily basis, exactly the same cube will become fairly delicate, and it can be unclear When the butter ought to even now be considered a reliable.
16I opened the box and noticed a bit of crystal snowflake as well as a greeting card with "Joyful Birthday" from the blank paper.我打开盒子并看见在白纸中有一片水晶雪花和一张写着“生日快乐”的贺卡。
水晶的价值还与块体大小有关,同样的颜色和净度级别,块越大越难得。有时候质量级别虽然低一些,但块体够大,也可能价格高于高级别的小晶体
/message /verifyErrors The phrase in the example sentence isn't going to match the entry phrase. The sentence includes offensive content material. Cancel Post Thanks! Your suggestions is going to be reviewed. #verifyErrors concept
Good Vocabulary: related terms and phrases Geology: mineralogy beneficiation crystalline deposit gemologist gemology gold dust graphite check here idiomorphic intercrystalline like gold dust idiom magnesium mineral nugget pyrite quasicrystal seam silicon unmined vermiculite vulcanicity See a lot more final results » It's also possible to come across similar phrases, phrases, and synonyms from the subject areas: