| 单词 | crystal |
| 释义 | crystal (krɪstəl ) Word forms: crystals 1. countable noun [oft noun NOUN] A crystal is a small piece of a substance that has formed naturally into a regular symmetrical shape. ...salt crystals. ...ice crystals. ...a single crystal of silicon. 2. See also liquid crystal, liquid crystal display 3. variable noun Crystal is a transparent rock that is used to make jewellery and ornaments. ...a strand of crystal beads. 4. uncountable noun Crystal is a high-quality glass, usually with patterns cut into its surface. Some of the finest drinking glasses are made from lead crystal. ...crystal glasses. ...an immense crystal chandelier. 5. uncountable noun Glasses and other containers made of crystal are referred to as crystal. Get out your best china and crystal. Idioms: clear as crystal obvious and very easy to understand I read the instructions – they were as clear as crystal. Easy Learning Idioms Dictionary. Copyright © HarperCollins Publishers a crystal ball a way of saying what will happen in the future What you need to help you select your new car is a crystal ball to tell you how much it will be worth a few years down the road. Easy Learning Idioms Dictionary. Copyright © HarperCollins Publishers Collocations: crystal formation This new technique uses lasers, gold particles, and antifreeze to thwart ice crystal formation when the larvae are warmed. Retrieved from Wikipedia CC BY-SA 3.0 In ceramic glazes titanium dioxide acts as an opacifier and seeds crystal formation. Retrieved from Wikipedia CC BY-SA 3.0 These tests often involved mashing or liquifying tissue, followed by such tests as crystal formation, melting and boiling point analysis, color reactions, and titration. Retrieved from Wikipedia CC BY-SA 3.0 The crystal formation in chocolate can affect many different attributes to the chocolate - mouthfeel, snap of the chocolate, the color, dull or shiny. Retrieved from Wikipedia CC BY-SA 3.0 As with any crystal structure, lattice vacancies will exist during crystal formation allowing trace elements from the water to bind with the otolith. Retrieved from Wikipedia CC BY-SA 3.0 Disreputable souvenir-mongers might try to convince you that crystal glass, or crystallin, is lead crystal, but it's easy to tell the difference. Times, Sunday Times (2016) On the desk top, to one side, were a silver napkin ring, a small antique cruet set and a crystal glass of sparkling mineral water. A NASTY DOSE OF DEATH For this he received a crystal glass bowl. Times, Sunday Times (2014) It looks like a polished crystal globe, but it breaks up into fluffy parachutes that are blown away by the wind. Times, Sunday Times A curious object can be seen now in the long grass, and it looks like a large, beautiful crystal globe. Times, Sunday Times Still, the cup's design was often seen as creative in that it involved a freely-floating etched crystal globe embedded in the stem of the cup. Retrieved from Wikipedia CC BY-SA 3.0 In combined small crystal globe was officially awarded only between 2007-2012. Retrieved from Wikipedia CC BY-SA 3.0 Recognition consists of a crystal globe and certificate. Retrieved from Wikipedia CC BY-SA 3.0 The crystal structure was found to resemble that of an (ancestral) cyanobacterium. 2012, 'Structure and flexibility of the C-ring in the electromotor of rotary F(0)F(1)-ATPase of pea chloroplasts.', PLoS ONE The crystal structure of ferritic stainless steel will not change by plastic deformation. 2015, 'Analisa Difraksi Sinar-X pada Baja Tahan Karat Austentitik dan Feritik (Uji Laboratorium)', Journal of Dentistry Indonesia The photonic crystal structure consists of a polarization-insensitive self-collimation region and a splitting region. 2014, 'Polarization Beam Splitter Based on Self-Collimation of a Hybrid Photonic Crystal', Radioengineering Recently determined crystal structures show that their common architecture reveals a superhelical overall structure that may undergo drastic conformational changes. 2014, 'TALEs from a spring--superelasticity of Tal effector protein structures.', PLoS ONE Its crystal structure in complex with the electron acceptor, ubiquinone, has been determined. 2018, 'Ubiquinone binding site of yeast NADH dehydrogenase revealed by structures binding novel competitive- and mixed-type inhibitors', Scientific Reports I wouldn't put someone as maladroit as him in charge of the crystal vase. Times, Sunday Times It's what the world's crying out for: something to keep your downstairs warm while cutting a nice crystal vase at the same time. Times, Sunday Times I would save up for a 1950s crystal vase. Times, Sunday Times Yards away, their 'bosses' lived in mobile homes decked out with bouquets and crystal vases worth up to 3,000, it was alleged. Times, Sunday Times Classical sculptures, chandeliers, great bouquets of red roses in crystal vases. Times, Sunday Times He had entered the chamber looking distracted, plonked his binder on the table, tipping over a crystal water glass (full). Times, Sunday Times With just four days to go till the first 15 members arrived, there was no sanitation, no facilities, no power; just 200 acres of undergrowth set in crystal water. Times, Sunday Times The grotto was placed near the spring with cold and crystal water. Retrieved from Wikipedia CC BY-SA 3.0 In our own private bay, we spent the day snorkelling in crystal waters and kayaking. Times,Sunday Times With an early winter chill in the air, the crystal waters were warmer than it was on deck. The Sun The play may feel overdeliberate; but at its centre glows a fascinating presence, as hard, bright and multifaceted as cut crystal. Times, Sunday Times The tower spirals downwards from a sharp peak with a glass facade that resembles cut crystal. Times, Sunday Times Many of the pressed pieces appear to be cut crystal on casual inspection, due to the high quality of the glass and the crispness of the molding. Retrieved from Wikipedia CC BY-SA 3.0 Along the grass verges, there are large, silvery globes on stalks, which look as if they were made of delicate crystal. Times, Sunday Times Her more recent works are gentler and more poetic in mood, but the final impression remains that you are gazing at something very exciting through very delicate crystal glasses. Times, Sunday Times Proper mounting both preserves delicate crystals, and facilitates their handling. Retrieved from Wikipedia CC BY-SA 3.0 Formation of cave frostwork has been attributed to moist, circulating air which, containing dissolved calcium carbonate, drifted against rock surfaces and coated them with the delicate crystals. Retrieved from Wikipedia CC BY-SA 3.0 Finally, a magnetic field was needed to link the nitrogen atom to the motion of the levitated diamond crystal. Retrieved from Wikipedia CC BY-SA 3.0 Any carbon atoms landing on the substrate which fail to bond properly in the diamond crystal lattice will be knocked off by the secondary beam. Retrieved from Wikipedia CC BY-SA 3.0 On the other hand, the diamond crystal has 12 hexagonal rings passing through each vertex. Retrieved from Wikipedia CC BY-SA 3.0 Inclusions may be crystals of a foreign material or another diamond crystal, or structural imperfections such as tiny cracks that can appear whitish or cloudy. Retrieved from Wikipedia CC BY-SA 3.0 Even with modern techniques, the cutting and polishing of a diamond crystal always results in a dramatic loss of weight, about 50%. Retrieved from Wikipedia CC BY-SA 3.0 Until now, microdermabrasion, the sloughing-off of the epidermis with fine crystals — a bit like having your face sandpapered — has been a one-size-fits-all prescription for youngish skin. Times, Sunday Times It's always best to use caster sugar if you want an extra light sponge, as the fine crystals incorporate more air into the mixture. Times, Sunday Times Rosehip juice will dye fine crystals of snow - and a stranger will smile on his lonely way. The Times Literary Supplement Fine crystals are often found in vugs where the open space allows the free development of external crystal form. Retrieved from Wikipedia CC BY-SA 3.0 A reaction precipitates fine crystals of insoluble silver halides that are light-sensitive. Retrieved from Wikipedia CC BY-SA 3.0 So shall it be, with the help of this magic crystal globe. Retrieved from Wikipedia CC BY-SA 3.0 Then a wizard gave him magic crystals to bring happiness. Times, Sunday Times Their immortality was guaranteed by magic crystals, crystals whose influence was now waning. Retrieved from Wikipedia CC BY-SA 3.0 Start with the professional grade scrub made from mineral crystals to reveal a radiant complexion. The Sun Some can contain mineral crystals such as acrid tasting and poisonous calcium oxalate or carbonate or silica. Retrieved from Wikipedia CC BY-SA 3.0 This initiates an electrolytic reaction causing mineral crystals naturally found in seawater, mainly calcium carbonate and magnesium hydroxide, to grow on the structure. Retrieved from Wikipedia CC BY-SA 3.0 Vugs may also result when mineral crystals or fossils inside a rock matrix are later removed through erosion or dissolution processes, leaving behind irregular voids. Retrieved from Wikipedia CC BY-SA 3.0 Other types of included matter deposited during agate-building include sagenitic growths (radial mineral crystals) and chunks of entrapped detritus (such as sand, ash, or mud). Retrieved from Wikipedia CC BY-SA 3.0 This structure may be likened to a photonic crystal. Retrieved from Wikipedia CC BY-SA 3.0 It covers the examination of new optical materials, especially of photonic crystal fibres, and more generally the field of nano- and micro-structured photonic materials. Retrieved from Wikipedia CC BY-SA 3.0 The chitin walls of the hollow bristles form a hexagonal honeycomb-shaped photonic crystal; the hexagonal holes are 0.51 metre apart. Retrieved from Wikipedia CC BY-SA 3.0 The periodicity of the photonic crystal structure must be around half the wavelength of the electromagnetic waves that are to be diffracted. Retrieved from Wikipedia CC BY-SA 3.0 This was made possible by growing a photonic crystal and projecting a laser beam into the crystal. Retrieved from Wikipedia CC BY-SA 3.0 However, untreated protein crystals often crack if flash-frozen; therefore, they are generally pre-soaked in a cryoprotectant solution before freezing. Retrieved from Wikipedia CC BY-SA 3.0 In addition to overcoming the inherent fragility of protein crystals, a number of environmental factors must also be overcome. Retrieved from Wikipedia CC BY-SA 3.0 Nevertheless, in some cases, protein crystals were reported to be perfect enough to achieve images of single dislocations. Retrieved from Wikipedia CC BY-SA 3.0 Recovery of the protein crystals requires imaging which can be done by the intrinsic fluorescence of the protein or by using transmission microscopy. Retrieved from Wikipedia CC BY-SA 3.0 Protein crystals are scooped up by a loop, then flash-frozen with liquid nitrogen. Retrieved from Wikipedia CC BY-SA 3.0 Is grinding whole peppercorns and chunky sea salt crystals the most satisfying of cooking rituals? Times, Sunday Times Unfortunately, salt crystals can become glued together by the growth of 'intercrystalline bridges'. Times, Sunday Times The salt crystals work deeply to smooth skin, plus the oils moisturised my skin all day. The Sun They could see salt crystals in the flesh. Times, Sunday Times Among the ideas approved for further research are shading reefs by brightening clouds using tiny salt crystals and creating fog over smaller reef areas. Times,Sunday Times The sheer-knit skirts, silver sci-fi blazers, off-kilter pleats, sparkling crystal eyebrows and dresses bound with ticker-tape slogans are a signal of intent. Times, Sunday Times These were embellished with sparkling crystal buttons, while quilted country jackets were fastened at the waist with golden horsebit belts. Times,Sunday Times A special vaastu toran, beautiful satin ribbon toran, a unique tissue toran, and sparkling crystal and beads toran, classic woollen toran, cotton toran, etc are covered in this category. Retrieved from Wikipedia CC BY-SA 3.0 Using a fork and a little water, lightly moisten each ball and sprinkle with the sugar crystals. Times, Sunday Times Make sure you wipe sides of pan regularly with a pastry brush dipped in cold water to prevent sugar crystals from forming and burning. Times, Sunday Times His thinking was to take silica, an anti-caking agent often found in spices and powdered soups, and bond sugar crystals to it. Times,Sunday Times Brush the edges of the pan to release excess sugar crystals. The Sun Occasionally brush down the inner edge of the pan just above the sugar, to wash away any sugar crystals and help stop the mixture crystallizing. The Sun Translations: Chinese: 水晶 Japanese: 水晶 |
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