| 单词 | mica |
| 释义 | mica noun[U] uk/ˈmaɪ.kə/us/ˈmaɪ.kə/anaturalsubstancelikeglassthatbreakseasilyintothinlayersand is notdamagedbyheat, often used inelectricalequipment 云母Geology: mineralogy
Examplesofmicamica It is typically defined by the shapepreferred orientation ofmicaand elongated quartz grains. From theCambridge English Corpus Controlled deposition of lipid monolayers and bilayers ontomicaand direct force measurements between galactolipid bilayers in aqueous-solutions. From theCambridge English Corpus The larger modelled upper continental crust component is also consistent with the relative abundance of detritalmicaof possible extra-basinal origin. From theCambridge English Corpus The siltstones commonly contain detrital whitemicaflakes that are generally lacking in the sandstones, and are possibly of distal continental origin. From theCambridge English Corpus Low-temperature, fine-grained, alteration products include serpentine, talc, bowlingite, whitemica, epidote s. l., carbonate and opaques. From theCambridge English Corpus Alteration is variable: absent in many crystals, in others producing dense sericite aggregates which may show some recrystallization effects to produce coarser-grained whitemica. From theCambridge English Corpus These aremicaflakes 0.5pm thick, 5-20pm diameter, coated with titanium dioxide to raise their refractive index. From theCambridge English Corpus Themicacrystal reflectivity has not been taken into account for the calculations. From theCambridge English Corpus Bedding surfaces may contain relatively coarse, heavily weathered, volcanic clasts, degraded ash particles andmicaflakes. From theCambridge English Corpus Electrical double layer structure revisited via a surface force apparatus :micainterfaces in lithium nitrate solutions. From theCambridge English Corpus Up to now, the only accretion ice containingmica-clay sediments allowed the recovery of a few bacterial phylotypes. From theCambridge English Corpus The lower part of the metamorphic sole is composed of kyanite and garnet-bearingmicaschist,micaschist, quartzite and marble. From theCambridge English Corpus The fine-grained, low-temperature alteration paragenesis includes chlorite, whitemica, epidote s. l., titanite and prehnite. From theCambridge English Corpus All other phases use similar activity models except for whitemicaand garnet. From theCambridge English Corpus The lower part of the formation is often metamorphosed and deformed into strongly magneticmicaschists. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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