- 関
- cryohydrate
WordNet
- diamonds; "look at the ice on that dame!" (同)sparkler
- water frozen in the solid state; "Americans like ice in their drinks" (同)water_ice
- cause to become ice or icy; "an iced summer drink"
- put ice on or put on ice; "Ice your sprained limbs"
- a frozen dessert with fruit flavoring (especially one containing no milk) (同)frappe
- the frozen part of a body of water
- a solid formed by the solidification of a chemical and having a highly regular atomic structure
- a protective cover that protects the face of a watch (同)watch crystal, watch_glass
- a crystalline element used as a component in various electronic devices
- glassware made of quartz
- a rock formed by the solidification of a substance; has regularly repeating internal structure; external plane faces (同)crystallization
- (ice hockey) the act of shooting the puck from within your own defensive area the length of the rink beyond the opponents goal (同)icing the puck
PrepTutorEJDIC
- 〈U〉『氷』 / 〈U〉《the~》表面に張った氷,氷面 / 〈C〉《米》氷菓子(シャーベット・フラッペなど) / 〈U〉(気持ち・態度などの)冷たさ,よそよそしさ / …‘を'氷でおおう《+『名』+『over』(『up』),+『over』(『up』)+『名』》 / …‘を'氷にする / (特に氷で)…‘を'冷やす,冷たくする / 〈ケーキなど〉‘に'糖衣をかける / 凍る《+『over』(『up』)》
- 〈U〉『水晶』 / 〈C〉『水晶製品』,水晶玉 / 〈U〉クリスタルグラス(透明度の高い鉛ガラス);《集合的に》クリスタルグラス製食器類(特にコップ類) / 〈C〉『結晶[体]』 / 〈C〉《米》(時計の)ガラスぶた / 『水晶[製]の』;クリスタルグラス製の;透き通った
- (菓子などの)糖衣 / (飛行機の翼などへの)着氷
Wikipedia preview
出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2012/09/26 15:30:27」(JST)
[Wiki en表示]
Ice crystals on a frozen pond
Ice crystals are solid ice exhibiting atomic ordering on various length scales and include hexagonal columns, hexagonal plates, dendritic crystals, and diamond dust. The highly symmetric shapes are due to depositional growth, namely, direct deposition of water vapour onto the ice crystal. Depending on environmental temperature and humidity, ice crystals can develop from the initial hexagonal prism into numerous symmetric shapes. Possible shapes for ice crystals are columns, needles, plates and dendrites. If the crystal migrates into regions with different environmental conditions, the growth pattern may change, and the final crystal may show mixed patterns. An example are capped columns. Ice crystals tend to fall with their major axis aligned along the horizontal, and are thus visible in polarimetric weather radar signatures with enhanced (positive) differential reflectivity values. Electrification of ice crystals can induce alignments different from the horizontal. Electrified ice crystals are also well detectable by polarimetric weather radars.
Temperature and water vapor humidity determine crystalline forms. Ice crystals are responsible for various atmospheric optics displays.
Ice clouds are composed of ice crystals, the most notable being cirrus clouds and ice fog. The slight whitening of a clear blue sky caused by ice crystals high in the troposphere can be a sign that a weather front (and rain) is approaching, as moist air is carried to high levels and freezes to ice crystals.
Dendrytic ice crystals imaged with a scanning electron microscope. The colors are computer generated.
Geometry
Ice crystals are symmetrical and have a hexagonal pattern.
See also
External links
- Caltech homepage
- American Meteorological Society Glossary
UpToDate Contents
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English Journal
- Mechanism of freeze-drying drug nanosuspensions.
- Chung NO, Lee MK, Lee J.SourceDepartment of Chemical Engineering and Materials Science, Chung-Ang University, 221, Heukseok-dong, Dongjak-gu, Seoul, 156-756, Republic of Korea.
- International journal of pharmaceutics.Int J Pharm.2012 Nov 1;437(1-2):42-50. doi: 10.1016/j.ijpharm.2012.07.068. Epub 2012 Aug 7.
- Drug nanoparticles prepared in a liquid medium are commonly freeze-dried for the preparation of an oral dosage in solid dosage form. The freezing rate is known to be a critical parameter for redispersible nanoformulations. However, there has been controversy as to whether a fast or slow freezing rat
- PMID 22877696
- A computational investigation of the phase behavior and capillary sublimation of water confined between nanoscale hydrophobic plates.
- Ferguson AL, Giovambattista N, Rossky PJ, Panagiotopoulos AZ, Debenedetti PG.SourceDepartment of Materials Science and Engineering, University of Illinois, Urbana, Illinois 61801, USA.
- The Journal of chemical physics.J Chem Phys.2012 Oct 14;137(14):144501.
- Thin films of water under nanoscopic confinement are prevalent in natural and manufactured materials. To investigate the equilibrium and dynamic behavior of water in such environments, we perform molecular dynamics simulations of water confined between atomistically detailed hydrophobic plates at T
- PMID 23061849
Japanese Journal
- 環境試験設備で使用される人工雪とその工学的な用途事例 (雪氷工学特集)
- 能登とり貝の周年利用に向けた取組み (特集 産地における水産物冷凍・冷却の研究)
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- 英
- ice crystal、cryohydrate
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- 含氷晶
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- 関
- ice crystal
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