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The location of the second largest volcanic eruption in human history, the waters off Greece’s Santorini are the site of newly discovered opalescent pools forming at 250 meters depth. The interconnect...
Five types of silica polymorphs have been identified in dacitic volcanics from the Gümüldür region of western Anatolia, Turkey. Two of them are micro-quartz and disordered cristobalite (opal-C) that o...
Production, oxygen uptake, and sinking velocity of copepod fecal pelletsegested byTemora longicorniswere measured using a nanoflagellate (Rhodomonassp.), a diatom (Thalassiosira weissflogii), or a coc...
期刊信息 篇名 The Rapid Preparation of large scale CdS opal photonic crystals 语种 英文 撰写或编译 撰写 作者 Xiying Ma 第一作者单位 绍兴文理学院 刊物名称 Applied Physics B 页面 Accepted 出版日期 2006年 月 日 文章标识(ISSN) 0946-2171 相关项目 CdS三维光子晶体的...
Microcrystalline opal wasinvestigated using low-dose transmission electron microscopy (TEM) methods to identify microstructural characteristics and possible phase-transforma-tion mechanisms that accom...
Abstract: In an attempt to resolve the structure of opal-CT and opal-C more precisely, 24 opal samples from bentonites, Fuller's Earths, zeolite tufts, biogenic silicas and silicified kaolins have bee...
The mineralogy of partially kaolinized strata interbedded with lignite at the San Miguel mine, Atascosa County, Texas, was investigated by X-ray powder diffraction and optical and scanning electron mi...
The scanning electron microscope (SEM) is useful in the identification of biogenic opal. Opaline spheres, cups, and scrolled or convoluted sheets were identified in both soil and vegetative isolates. ...

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