5 Essential Elements For Crystal

5 Essential Elements For Crystal

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27Local economists have seemed into their crystal balls and viewed a 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。

水晶文化历史悠久，古人曾赋予它一串极富美感的雅称：水玉、水精、水碧、石英等。

We've composed about in excess of 300 stones in the mineral kingdom! Read about Each and every stone's exclusive origin, historical past, and energies underneath.

2She was sporting a strand of crystal beads.她戴着一串水晶珠子。《柯林斯英汉双解大词典》

Learn the way the shape in the crystals establish the several minerals into familiesMinerals crystallize Based on certainly one of seven motifs, often called crystal units.

30Three times went past, and I was stunned to determine it once more: each of the openings were being sewed up by thin and white thread they usually seemed like the ice crystal on Wintertime's branches while in the north.

For a scorching Resolution cools or possibly a saturated Answer evaporates, particles draw near more than enough for chemical bonds to type. Crystals can also kind from deposition straight from the gas period. Liquid crystals have particles oriented in an structured manner, like stable crystals, nonetheless can easily stream.

Metallic Crystals: Metals usually kind metallic crystals, wherever several of the valence electrons are free to maneuver through the entire lattice. Iron, such as, can form unique metallic crystals.

Crystals with obvious flat faces are called euhedral crystals, even though All those missing defined faces are named anhedral crystals. Crystals consisting of ordered arrays of atoms that are not constantly periodic are referred to as quasicrystals.

Within the Cambridge English Corpus We say the chain topology during the large w area acts since the proverbial ' scratch-on-theglass ' necessary inside the organic and natural chemistry laboratory for making crystals. With the Cambridge English Corpus Continual-tension and temperature molecular-dynamics simulations of crystals of the lecithin more info fragments - glycerylphosphorylcholine and dilauroylglycerol. From your Cambridge English Corpus As well as these, dust particles have already been observed in low-temperature plasmas, like those used in plasma processing and plasma crystals. With the Cambridge English Corpus The ultimate Component of the book focuses on peculiarities of strongly coupled dusty plasmas, including the development of dust crystals and linked beautiful forces. From your Cambridge English Corpus Total characterization of harm threshold in titanium doped sapphire crystals with nanosecond, picosecond, and femtosecond laser pulses. From the Cambridge English Corpus Unbroken crystals are euhedral; rounded, or even more irregular, Most important morphologies weren't observed. With the Cambridge English Corpus See all samples of crystal These examples are from corpora and from resources on the web. Any opinions within the examples tend not to stand for the opinion from the Cambridge Dictionary editors or of Cambridge University Push or its licensors.

Crystals are not merely renowned for their Actual physical physical appearance, but distinct crystals of different resources and formations can result in an enormous assortment of works by using and Actual physical Qualities.

玉石纹理如果能形成美丽的花纹、图案，其价格就高，如玛瑙内红白相间的色带有规律地排列，形成缠丝玛瑙时，碧玉中的不均匀颜色形成一种风景图案时，材料的价值将提高。当水晶内包裹体形成美丽的图案时，如幽灵水晶、风景水晶，或者针状包裹体呈束状排列时，其价值都高于普通的水晶。图案越美观、越有意境越好。

21You all understand how once you have a crystal prism and pass a beam of daylight by it, you will get a spectrum, which looks like a continuous band of rainbow shades.