WordNet

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
duplicate or match; "The polished surface twinned his face and chest in reverse" (同)duplicate, parallel
give birth to twins
grow as twins; "twin crystals"
either of two offspring born at the same time from the same pregnancy
(mineralogy) two interwoven crystals that are mirror images on each other
a waterfall in the Snake River in southern Idaho (同)Twin_Falls

PrepTutorEJDIC

〈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
『双生児の一人』;《複数形で》双生児,ふたご / よく似た人(物)の片方;《複数形で》対 / ふたごの;対の / 〈ある都市〉‘を'(…と)姉妹関係にする《+名+with+名》

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Nucleation-mediated synthesis and enhanced catalytic properties of Au-Pd bimetallic tripods and bipyramids with twinned structures and high-energy facets.

Zhang L1, Chen Q2, Wang X2, Jiang Z2.
Nanoscale.Nanoscale.2016 Jan 28;8(5):2819-25. doi: 10.1039/c5nr08154h.
The Au-Pd alloy has been proved to be an excellent catalyst in many applications, such as the electro-oxidation of formic acid, CO oxidation and oxidation of alcohols to aldehydes. However, most of the research has been focused on the shape-controlled Au-Pd alloy NCs with a single-crystal structure.
PMID 26763593

Unexpected role of linker position on ammonium gemini surfactant lyotropic gyroid phase stability.

Sorenson GP1, Mahanthappa MK2.
Soft matter.Soft Matter.2016 Jan 25. [Epub ahead of print]
Arising from the water-driven self-assembly of amphiphiles over generally narrow temperature and composition phase windows, aqueous lyotropic liquid crystal (LLC) network phases are useful in applications as therapeutic delivery vehicles and templates for mesoporous material syntheses. While a clear
PMID 26806651

Deciphering the Complex Chemistry of Deep-Ocean Particles Using Complementary Synchrotron X-ray Microscope and Microprobe Instruments.

Toner BM1, German CR2, Dick GJ3, Breier JA2,4.
Accounts of chemical research.Acc Chem Res.2016 Jan 19;49(1):128-37. doi: 10.1021/acs.accounts.5b00282. Epub 2015 Dec 4.
The reactivity and mobility of natural particles in aquatic systems have wide ranging implications for the functioning of Earth surface systems. Particles in the ocean are biologically and chemically reactive, mobile, and complex in composition. The chemical composition of marine particles is though
PMID 26636984