搜索结果: 46-53 共查到“理学 origins”相关记录53条 . 查询时间(0.078 秒)
Prehistoric origins of stomach ulcers uncovered
bacteria stomach ulcers
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2007/2/11
8 February 2007，A team of scientists from the University of Cambridge have discovered that the ubiquitous bacteria that causes most painful stomach ulcers has been present in the human digestive syste...
Cellular Origins Researcher Irene Chen Wins GE & Science Grand Prize（图）
Life Scientists Cellular Irene Chen
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2006/12/14
11 December 2006，Irene Chen has been awarded the prestigious 2006 GE & Science Grand Prize for Young Life Scientists for her essay, "The Emergence of Cells During the Origin of Life," which was publis...
：Origins of Life - New Approach Helps Expand Study of Living Fossils（图）
Origins of Life Living Fossils living organisms
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2006/11/22
November 17, 2006，A new article reveals how Dr. Miriam Andres' stromatolite investigation has begun to "fingerprint" ancient microbial pathways offering a new way to explore the origins of these livin...
The Solar Origins of the Sun-Earth Connection Events on April 1999 and February 2000
the Sun-Earth Connection Events April 1999 and February 2000
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2010/10/27
In this work we present a comparison between the solar origins of two solar-terrestrial connection events occurring on April 1999 and February 2000, respectively. On April 13 (1999), a coronal mass ej...
Comment on "Origins of energetic ions in the cusp" by K. J. Trattner et al
High-energy ion bow shock acceleration tips detect ion high-energy particles
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2017/3/23
The paper by Trattner et al. [2001, hereinafter referred to as TETAL] reanalyzes the data of Chen et al. [1998, hereinafter referred to as CFS] and attempts to prove two statements: first, that the en...
Mineralogy of the Louvres Merovingian garnet cloisonn?jewelry: Origins of the gems of the first kings of France
Mineralogy Louvres Merovingian garnet cloisonn Origins
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2012/3/31
Proton-particle induced X-ray emission (p-PIXE) analyses have been performed on cloisonne ?jewelry from a necropolis excavated in 1987 at Louvres (North Paris) that dates from the Early Middle Ages (f...
Scanning Electron Microscope Study of Bauxites of Different Ages and Origins
Bauxite Boehmite Diaspore Gibbsite Halloysite Karstic Laterite
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2012/2/10
Sixty-five bauxite samples of different ages and origins were studied by scanning electron microscopy. Only broken surfaces of the specimens were investigated. Size and form of individual crystals and...
Scan Electron Micrographs of Kaolins Collected from Diverse Origins—III. Influence of Parent Material on Flint Clays and Flint-Like Clays
Scan Electron Micrographs Kaolins Diverse Origins Flint-Like Clays
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2012/2/13
The nature of the parent material from which flint clay or flint-like clay is derived may modify the texture of the clay as observed by SEM. Flint clays occurring in Pennsylvanian-age swamp basins int...