The smart Trick of Crystal That No One is Discussing
The smart Trick of Crystal That No One is Discussing
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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：
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。
4Without a crystal ball, It can be not possible to mention where we will be upcoming calendar year.不用水晶球预卜未来，我们说不准明年处境如何呀。《牛津词典》
Most stable products present in nature exist in polycrystalline sort as an alternative to as one crystal. They are actually composed of an incredible number of grains (little crystals) packed together to fill all House. Each individual individual grain has a different orientation than its neighbours. Although prolonged-range order exists inside of just one grain, with the boundary in between grains, the buying alterations course. A standard bit of iron or copper (Cu) is polycrystalline.
2She was wearing a strand of crystal beads.她戴着一串水晶珠子。《柯林斯英汉双解大词典》
They may ultimately generate a great minor uniform cluster of atoms, This really is the whole process of growing crystals. The greater they can appear together, the more of a get more info development will probably be seen on the naked eye. Researchers can determine what mineral they are considering by how the crystals sort.
Add to word list Add to word listing [ C/U ] transparent rock that appears like ice, or possibly a piece of it
②固体包裹体：指呈固态相存在包裹体，多因岩浆、热液、变质作用等形成的早期结晶物被水晶捕获而形成。
仿制钛晶树水晶：钛晶是水晶里价格最昂贵的，造假者当然也不会放过这么好的产品。天然的环境下，在水晶里能生长个像树一样的钛晶，完全是可能的，只是这样的货很少，那我们的造假专家是如何做的呢，白水晶底下打个洞，激光打点成板状的钛晶进去，就这样这块水晶的身价就能飙升几十倍。往往有的钛晶戒面，会采用将钛晶部位割成板状，与圆面的水晶粘合的方法来制作。
The definition of a sound seems noticeable; a strong is normally regarded as getting challenging and business. On inspection, on the other hand, the definition becomes significantly less simple. A cube of butter, for instance, is hard following becoming saved in a refrigerator and it is Evidently a good. Right after remaining within the kitchen area counter for a day, the exact same cube gets rather tender, and it truly is unclear In case the butter should really continue to be thought of a stable.
All crystal ball crystal apparent copyright liquid crystal crystal lattice crystal structure liquid crystal Screen See all meanings Idioms and phrases crystal obvious idiom
隐晶类水晶外观是一块块的，不是成六角水晶簇状，但他们却也是属六方晶系的。但我们不能以肉眼观察到他们的六角形结晶，因为结晶的体积极为细小，需以显微镜协助下才能看到六角开结晶。而此类水晶非常平滑，因为结晶之间有“水化硅石”填补，玛瑙便属于此类。
水精：水晶为何称为水精，《广雅》有巧解：�?水之精灵�?”；李时珍则说：�?莹洁晶光，如水之精英 ”。细加考究，此称还蕴含浓厚的宗教意味呢。水精一名，最初见于佛书，后汉支曜翻译的《具光明定意经》说：�?其所行道，色如水�?�?。
Tetragonal �?Characterised by three mutually perpendicular axes, two of that happen to be equivalent in duration, although the third is extended or shorter and perpendicular to another two.