The Basic Principles Of Crystal
The Basic Principles Of Crystal
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Calcite crystals in many cases are Employed in optical tools, and also the graphite in pencil guide are sheets of crystals that effectively break apart layer by layer to put in writing. Silica can variety silicate crystals which might be The idea for quartz, mica, olivine, and all kinds of other crystals and minerals.
Bismuth (Bi) appears to be a steel, but the quantity of electrons obtainable for electrical conduction is analogous to that of semiconductors. Actually, bismuth is called a semimetal. Molecular solids usually are crystals formed from molecules or polymers. They are often insulating, semiconducting, or metallic, based on the variety of molecules while in the crystal. New molecules are continually being synthesized, and plenty of are created into crystals. The volume of unique crystals is gigantic.
These developments involve exotic constructions with programmable lattice symmetries and very well-described crystal routines, responsive components that leverage the intrinsic Homes of nucleic acids to control constructions on demand, nanoparticle superlattices grown epitaxially from surfaces and colloidal crystals which provide insights into light-weight–make any difference interactions. Hunting ahead, we challenge the Local community to leverage the extraordinary structural Handle afforded by crystal engineering with DNA to synthesize classes of practical supplies that thrust beyond what is possible with Obviously taking place crystalline resources or People produced by a lot more typical approaches.
Incorporate to word listing Insert to term list C2 [ U ] transparent glass of very high quality, normally with its surface Minimize into fragile patterns
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。
Clever Vocabulary: related words and phrases Glass blower blowpipe bulletproof glass Minimize glass fibreglass frosted glassware glaze glazed glazier glazing prism prismatic punty Pyrex reglaze unglazed vitreous vitrification vitrify See additional benefits » It's also possible to uncover linked words and phrases, phrases, and synonyms during the matters:
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Crystals is usually developed beneath moderate conditions from all 92 The natural way taking place components besides helium, and helium could be crystallized at very low temperatures by making use of 25 atmospheres of tension.
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crystal The newly crystallized quartz grains are characterised by elongate crystals oriented oblique into the shear band margins, defining an average grain-shape foliation. 来自 Cambridge English Corpus We say the chain topology from the large w area acts as being the proverbial ' scratch-on-theglass ' essential from the natural chemistry laboratory for making crystals. 来自 Cambridge English Corpus The age scatter among the individual crystals may well mirror incorporation of xenocrysts from earlier magmatic pulses or protoliths. 来自 Cambridge English Corpus The clinopyroxene types neutral to pale brown, subhedral to anhedral crystals, often that contains inclusions of plagioclase microlaths and opaque phases.
From your Cambridge English Corpus We are saying the chain topology during the substantial w location functions as the proverbial ' scratch-on-theglass ' necessary inside the natural and organic chemistry laboratory to produce crystals. From your Cambridge English Corpus Consistent-stress and temperature molecular-dynamics simulations of crystals in the lecithin fragments - glycerylphosphorylcholine and dilauroylglycerol. Within the Cambridge English Corpus Along with these, dust particles are already noticed in low-temperature plasmas, like Those people Employed in plasma processing and plasma crystals. From the Cambridge English Corpus The ultimate part of the book focuses on peculiarities of strongly coupled dusty plasmas, including the development of dust crystals and affiliated attractive forces. From your Cambridge English Corpus Entire 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 maybe more info more irregular, Major morphologies were not noticed. With the Cambridge English Corpus See all examples of crystal These examples are from corpora and from sources on the web. Any opinions inside the examples will not stand for the viewpoint with the Cambridge Dictionary editors or of Cambridge College Push or its licensors.
Orthorhombic: These are generally rhombic prisms and dipyramids that resemble tetragons but without sq. cross-sections.
水玉：中国最古老的称法叫水玉，意谓似水之玉，又说是 �?千年之冰所�?�?。唐代诗人温庭筠《题李处士幽居》写道：�?水玉簪头白角巾，瑶琴寂历拂轻�?”。水玉一词最早频繁出于《山海经》：�?又东三百里，日堂庭之�?…�?多水�?”；�?丹山出焉，东南流注于洛水，其中多水玉 ”；�?逐水出焉，北流注于渭，其中多水玉 ”。司马相如《上林赋》曰�?�?水玉磊河 �?。水晶得名水玉，古人是看�?�?其莹如水，其坚如�?�?的质地。
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