Crystal Fundamentals Explained
Crystal Fundamentals Explained
Blog Article
27Local economists have appeared into their crystal balls and observed one thing fairly awful.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》
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。
These innovations involve exotic buildings with programmable lattice symmetries and effectively-described crystal patterns, responsive elements that leverage the intrinsic Qualities of nucleic acids to manipulate buildings on desire, nanoparticle superlattices grown epitaxially from surfaces and colloidal crystals that supply insights into light–subject interactions. On the lookout forward, we problem the Local community to leverage the incredible structural Handle afforded by crystal engineering with DNA to synthesize courses of purposeful components that push over and above what has actually been achievable with The natural way occurring crystalline products or Those people produced by far more common procedures.
Most sound products found in character exist in polycrystalline sort rather than as one crystal. They are actually made up of countless grains (smaller crystals) packed collectively to fill all Place. Every single particular person grain has a special orientation than its neighbours. Whilst extensive-array order exists in just a person grain, in the boundary among grains, the ordering modifications way. An average piece of iron or copper (Cu) is polycrystalline.
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。
发晶，包括钛晶，铜顺发，绿发晶，黑发晶，银发晶，杂色发晶，其中钛晶最珍贵，少数钛晶价值可比钻石，红宝石和蓝宝石以及祖母绿。
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。
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。
多色�?无色水晶没有多色性。有色水晶有弱到强的多色�?表现为体色的不同深浅。
From the Cambridge English Corpus We say the chain topology during the large w region acts as the proverbial ' scratch-on-theglass ' needed within the organic chemistry laboratory to produce crystals. From your Cambridge English Corpus Regular-pressure and temperature molecular-dynamics simulations of crystals of your lecithin fragments - glycerylphosphorylcholine and dilauroylglycerol. From the Cambridge English Corpus As well as these, dust particles are already observed in small-temperature plasmas, like People Utilized in plasma processing and plasma crystals. From the Cambridge English Corpus The ultimate Portion of the ebook focuses on peculiarities of strongly coupled dusty plasmas, including the development of dust crystals and related beautiful forces. From your Cambridge English Corpus Complete characterization of injury threshold in titanium doped sapphire crystals with nanosecond, picosecond, and femtosecond laser pulses. From the Cambridge English Corpus Unbroken crystals are euhedral; rounded, or maybe more irregular, Main morphologies were not observed. From the Cambridge English Corpus See all examples of crystal These illustrations are from corpora and from resources on the net. Any views in the examples will not characterize more info the opinion on the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
Crystals are not simply renowned for their Actual physical visual appearance, but unique crystals of various products and formations can lead to an unlimited number of takes advantage of and physical Homes.
⑨、喷砂：立体感弱，较平整，无凹凸感，机器雕刻文字、图形等后进行效果处理。成本低制作快。
⑥白色的包裹体有蚀变的绿泥石、云母、愈合裂隙、水晶、方解石、透闪石等。