A Simple Key For Crystal Unveiled
A Simple Key For Crystal Unveiled
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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:
无色水晶以晶莹美丽、洁净透明着称。衡量无色水晶主要看它的纯度,越纯、越透明越好。干净的、无瑕疵的、杂质少的价值就高。无色的水晶如果很脏,就没有利用价值。
These developments involve exotic structures with programmable lattice symmetries and effectively-outlined crystal behavior, responsive elements that leverage the intrinsic Attributes of nucleic acids to govern structures on need, nanoparticle superlattices developed epitaxially from surfaces and colloidal crystals which provide insights into light–make a difference interactions. On the lookout ahead, we problem the community to leverage the remarkable structural Handle afforded by crystal engineering with DNA to synthesize lessons of functional elements that thrust outside of what continues to be achievable with Obviously transpiring crystalline elements or These made by much more traditional procedures.
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这种水晶观赏石特指水晶晶簇,它是众多单晶体集中生长在一起的晶体组合。晶簇以其晶莹剔透、独特造型而享誉水晶赏石界。
第二种是“半包裹体”,在水晶结晶以后,由于受到地球引力的影响而产生的裂隙,晶体外的一些物质通过水晶的裂隙渗透到水晶内部,一部分包裹于水晶之中另一部分露于水晶之外。我们可以看到物质渗进水晶的裂迹,常被称为“通道”,这种包裹体所形成的景象相对地较受自然环境和时间的影响,相应的价值也比较�?。
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1A crystal chandelier lit the space.一盏水晶吊灯照亮了房间。《柯林斯英汉双解大词典》
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[ C/U ] clear glass of high quality, generally with its surface area Lower into styles that reflect light-weight
In the Cambridge English Corpus We are saying the chain topology inside the substantial w region acts because the proverbial ' scratch-on-theglass ' essential in the organic chemistry laboratory to help make crystals. Through the Cambridge English Corpus Consistent-force and temperature molecular-dynamics simulations of crystals with the lecithin fragments - glycerylphosphorylcholine and dilauroylglycerol. Through the Cambridge English Corpus Besides these, dust particles happen to be observed in small-temperature plasmas, like All those Utilized in plasma processing and plasma crystals. From the Cambridge English Corpus The final A part of the ebook concentrates on peculiarities of strongly coupled dusty plasmas, like the development of dust crystals and linked beautiful forces. In the Cambridge English Corpus Comprehensive characterization of damage 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, Principal morphologies weren't noticed. With the Cambridge English Corpus See all examples of crystal These illustrations are from corpora and from resources online. Any views while in the illustrations tend not to signify the impression on the Cambridge Dictionary editors or of Cambridge College Push or its licensors.
Crystallography could be the study of crystals, and it specials with almost here everything from best geometric styles to seemingly random conglomerations of particles and minerals.
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。
Tetragonal �?Characterized by three mutually perpendicular axes, two of which are equal in size, though the third is extended or shorter and perpendicular to the opposite two.