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Over the past 15 years several expeditions by French, American and especially Italian cavers have unveiled over 50 caves in the Cordillera de la Sal (Atacama Desert, Northern Chile). Many of these caves contain a variety of speleothems and minerals, some of wh…
openalex
Jo De Waele, Cristina Carbone, Laura Sanna, Marco Vattano 等
2017-01-01
置信度 0.72
HaliteCaveGeologyAnhydriteParagenesis
-
Abstract Direct carbon fuel cell (DCFC) is a promising technology with high energy efficiency and abundant fuel. To date, a variety of DCFC configurations have been investigated, with molten hydroxide, molten carbonate or oxides being used as the electrolyte. …
openalex
Can Cui, Shuangbin Li, Junyi Gong, Keyan Wei 等
2021-07-01
置信度 0.72
Molten carbonate fuel cellCarbonateMolten saltElectrolyteOxide
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openalex
David Madrigal‐Trejo, P.S. Villanueva-Barragán, R. Ramirez, K. E. Cervantes-de la Cruz 等
2021-03-31
置信度 0.72
HistidineChemistryAragoniteDifferential scanning calorimetryContext (archaeology)
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Abstract Zeolites are secondary tectosilicates produced during the hydrothermal alteration of basalt. The minerals serve as major sinks of calcium, which readily exchanges with calcium from surrounding groundwater. However, no studies have specifically investi…
openalex
Claire J. Nelson, Andrew D. Jacobson, Gabriella D. Kitch, Tobias B. Weisenberger
2021-10-01
置信度 0.72
BasaltGeochemistryWeatheringMineralGeology
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Abstract NASA's Mars 2020 and ESA's ExoMars will collect Raman measurements in dusty field conditions obscuring underlying rocks. This presents a challenge for remote Raman measurements at distances where mechanical or ablative sample cleaning is not straightf…
openalex
G. Berlanga, Quentin Williams, Nathan Temiquel
2022-09-06
置信度 0.72
Raman spectroscopyMars Exploration ProgramHyperspectral imagingArtificial intelligenceConvolutional neural network
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Acid mine drainage (AMD) emplacements are low-complexity natural systems. Low-pH conditions appear to be the main factor underlying the limited diversity of the microbial populations thriving in these environments, although temperature, ionic composition, tota…
openalex
Celia Méndez-GarcÃa, Ana I. Peláez, Victoria Mesa, JesÃos Sánchez 等
2015-05-29
置信度 0.72
EcologyMicrobial ecologyArchaeaBiologyEcosystem
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Geological CO 2 degassing is a fundamental Earth process but still quite poorly understood, since a thorough quantification with conventional measurement techniques is challenging. Optical remote sensing techniques have the potential to extend conventional mea…
openalex
Manuel Queißer, Mike Burton, Ryunosuke Kazahaya
2018-11-26
置信度 0.72
Remote sensingEarth observationProcess (computing)Computer scienceRemote sensing application
-
The implementation of a powder bed selective laser processing (PBSLP) technique for bioactive ceramics, including selective laser sintering and melting (SLM/SLS), a laser powder bed fusion (L-PBF) approach is far more challenging when compared to its metallic …
openalex
Nikhil Kamboj, Antonia Ressler, Irina Hussainova
2021-09-16
置信度 0.72
Selective laser sinteringMaterials scienceSelective laser meltingCeramicFabrication
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The biomolecular homochirality in living organisms has been investigated for decades, but its origin remains poorly understood. It has been shown that circular polarized light (CPL) and other energy sources are capable of inducing small enantiomeric excesses (…
openalex
Adrien D. Garcia, Cornelia Meinert, Haruna Sugahara, Nykola C. Jones 等
2019-03-16
置信度 0.72
AstrobiologyMoleculeChemistryPhysicsChemical physics
-
Abstract Geophysical measurements can reveal the structures and thermal states of icy ocean worlds. The interior density, temperature, sound speed, and electrical conductivity thus characterize their habitability. We explore the variability and correlation of …
openalex
Steven D. Vance, Mark P. Panning, Simon Stähler, Fabio Cammarano 等
2017-11-30
置信度 0.72
EnceladusTitan (rocket family)GeologyAstrobiologyGeophysics
-
Crystalline silica (CS) is a well-known hazardous material that causes severe diseases including silicosis, lung cancer, and autoimmune diseases. However, the hazard associated to crystalline silica is extremely variable and depends on some specific characteri…
openalex
Cristina Pavan, Guillermo Escolano‐Casado, Chiara Bellomo, Stefania Cananà 等
2023-01-16
置信度 0.72
StishoviteCristobaliteSilanolMaterials scienceCoesite
-
An epilithic microbial community was launched into low Earth orbit, and exposed to conditions in outer space for 548 days on the European Space Agency EXPOSE-E facility outside the International Space Station. The natural phototroph biofilm was augmented with …
openalex
Charles S. Cockell, Petra Rettberg, Elke Rabbow, Karen Olsson‐Francis
2011-05-19
置信度 0.72
PhototrophBiologyAstrobiologyBiofilmMicroorganism
-
openalex
C. T. Pillinger
1992-09-01
置信度 0.72
ChemistryMass spectrometryIon-mobility spectrometry–mass spectrometryAnalytical Chemistry (journal)Isotope
-
Here we addressed the question of whether burning of guano produces a characteristic suite of morphological changes and/or unique mineralogical products. The changes observed in our experimental burning of guano (both fresh and decayed) included colour change …
openalex
Joyce Lundberg, Donald A. McFarlane
2021-05-01
置信度 0.72
GuanoAuthigenicMineralogyWeatheringTridymite
-
Two different types of extraterrestrial particulate matter collections were undertaken during the last few years -by using magnets encased in dredges that were dragged along the seafloor and by sieving massive quantities of deep sea sediments from which cosmic…
openalex
N. G. Rudraswami, M. Shyam Prasad
2016-07-01
置信度 0.72
Extraterrestrial lifeDeep seaGeologyOceanographyAstrobiology
-
Abstract Saturn’s moon Enceladus harbours a global1ice-covered water ocean2,3. The Cassini spacecraft investigated the composition of the ocean by analysis of material ejected into space by the moon’s cryovolcanic plume4–9. The analysis of salt-rich ice grains…
openalex
Frank Postberg, Yasuhito Sekine, Fabian Klenner, Christopher R. Glein 等
2023-06-14
置信度 0.72
EnceladusIcy moonSaturnAstrobiologyGeology
-
The asymmetric synthesis of amino acid precursors from complex organics have been performed. A gaseous mixture of carbon monoxide, ammonia and water (molecules which are among those identified in the interstellar medium) was irradiated with 3.0 MeV protons to …
openalex
Yoshinori Takano, Jun-ichi Takahashi, Takeo Kaneko, Katsumi Marumo 等
2007-01-04
置信度 0.72
Amino acidAlanineGlycineChirality (physics)Hydrolysis
-
There is increasing evidence indicating that syndepositional redistribution of sediment on the seafloor by bottom currents is common and can significantly affect sediment mass accumulation rates. Notwithstanding its common incidence, this process (generally re…
openalex
Roger François, Martin Frank, Michiel M Rutgers van der Loeff, Michael P. Bacon
2004-03-01
置信度 0.72
Sedimentary rockGeologySedimentQuaternaryWater mass
-
Abstract Here, we present a comprehensive approach for creating robust, elastic, designer Lunar and Martian regolith simulant (LRS and MRS, respectively) architectures using ambient condition, extrusion-based 3D-printing of regolith simulant inks. The LRS and …
openalex
Adam E. Jakus, Katie Koube, Nicholas R. Geisendorfer, Ramille N. Shah
2017-03-20
置信度 0.72
RegolithMaterials sciencePorosityComposite materialRheology
-
The end of the Permian period is marked by global warming and the biggest known mass extinction on Earth. The crisis is commonly attributed to the formation of large igneous provinces because continental volcanic emissions have the potential to control atmosph…
openalex
Luís A. Spalletti, Carlos O. Limarino
2017-09-29
置信度 0.72
GeologyMagmatismGondwanaPermianLarge igneous province
-
Abstract Rock fragments of the Cb-type asteroid Ryugu returned to Earth by the JAXA Hayabusa2 mission share mineralogical, chemical, and isotopic properties with the Ivuna-type (CI) carbonaceous chondrites. Similar to CI chondrites, these fragments underwent e…
openalex
Laurette Piani, K. Nagashima, Noriyuki Kawasaki, Naoya Sakamoto 等
2023-04-01
置信度 0.72
AstrobiologyGeochemistryGeologyAsteroidHydrogen
-
Due to their electrostatic nature, radon decay products can attach to solid particles and aerosols in the air. Inhalation and ingestion are therefore the two main routes through which people are exposed to radon and its decay products. During the inhalation of…
openalex
Guadie Degu Belete, Aragaw Msganaw Shiferaw
2022-09-05
置信度 0.72
RadonEnvironmental scienceDeposition (geology)Ionizing radiationIngestion
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Abstract– We optically classified 5682 micrometeorites (MMs) from the 2000 South Pole collection into textural classes, imaged 2458 of these MMs with a scanning electron microscope, and made 200 elemental and eight isotopic measurements on those with unusual t…
openalex
Susan Taylor, G. Matrajt, Yunbin Guan
2011-11-02
置信度 0.72
MagnetiteChondriteChondrulePlagioclasePyroxene
-
Mineral analogs to silicate phases common to planetary regolith, including olivine; the pyroxenes augite and diopside; the plagioclase feldspars labradorite, bytownite, and albite; the Johnson Space Center-1A lunar regolith simulant; as well as quartz (used as…
europepmc
Donald Hendrix, S. T. Port, J. A. Hurowitz, Martin A. A. Schoonen
2018-12-20
置信度 0.80
RegolithAugiteChemistryElectron paramagnetic resonanceAlbite
-
In the past two decades, various space agencies have shown great enthusiasm for constructing habitable structures on lunar and Martian surfaces. Consequently, several extraterrestrial structures have been proposed by different researchers. Nevertheless, only a…
openalex
Mitra Khalilidermani, Dariusz Knez
2023-12-02
置信度 0.72
Extraterrestrial lifeMars Exploration ProgramMultidisciplinary approachCubeSatProcess (computing)
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Abstract On the basis of observations using Cs‐corrected STEM , we identified three types of surface modification probably formed by space weathering on the surfaces of Itokawa particles. They are (1) redeposition rims (2–3 nm), (2) composite rims (30–60 nm), …
openalex
T. Noguchi, Makoto Kimura, T. Hashimoto, Mitsuru KONNO 等
2013-04-26
置信度 0.72
Space weatheringWeatheringComposite numberGeologyMineralogy
-
Carbonaceous meteorites deliver a variety of organic compounds to Earth that may have played a role in the origin and/or evolution of biochemical pathways. Some apparently ancient and critical metabolic processes require several compounds, some of which are re…
openalex
George Cooper, Chris Reed, Dang T. Nguyen, Malika Carter 等
2011-08-08
置信度 0.72
Citric acidPyruvic acidChemistryCitric acid cycleMeteorite
-
Standard definitions of habitability assume that life requires the presence of planetary gravity wells to stabilize liquid water and regulate surface temperature. Here the consequences of relaxing this assumption are evaluated. Temperature, pressure, volatile …
openalex
Robin Wordsworth, C. Cockell
2024-09-22
置信度 0.72
Extraterrestrial lifeAstrobiologyHabitatGeographyEcology
-
to organic molecules. Although documented here in martian samples, a similar process likely occurs wherever igneous rocks containing spinel-group minerals and/or sulfides encounter brines.
openalex
A. Steele, Liane G. Benning, Richard Wirth, Sandra Siljeström 等
2018-10-05
置信度 0.72
Mars Exploration ProgramElectrochemistryOrganic synthesisReduction (mathematics)Astrobiology
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This article is devoted to the geology of titanium-rich varieties of the Petyayan-Vara rare-earth dolomitic carbonatites in Vuoriyarvi, Northwest Russia. Analogues of these varieties are present in many carbonatite complexes. The aim of this study was to inves…
openalex
Е. Н. Козлов, Ekaterina Fomina, Mikhail Sidorov, Vladimir V. Shilovskikh
2018-07-28
置信度 0.72
CarbonatitePyrochloreGeochemistryIlmeniteGeology
-
Abstract The upcoming Mars Sample Return (MSR) mission aims to deliver small quantities of Martian rocks to the Earth. Investigating these precious samples requires the development and application of techniques that can extract the greatest amount of high qual…
openalex
Luke Daly, Martin Lee, Paul A.J. Bagot, John Halpin 等
2020-07-01
置信度 0.72
MartianMars Exploration ProgramAtom probeMeteoriteAstrobiology
-
We describe in detail methods and techniques we have developed to measure 41Ca40Ca ratios to a sensitivity of 6 × 10−16 us our FN tandem accelerator. The major steps involved were (1) adoption of 41CaH3− negative ions to reduce 41K (41K/40Ca ~ 5 10−13); (2) pr…
openalex
David Fink, R. Middleton, J. Klein, Pankaj Sharma
1990-03-01
置信度 0.72
Accelerator mass spectrometryMeteoriteIonMass spectrometryIonization
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The second ExoMars mission will be launched in 2020 to target an ancient location interpreted to have strong potential for past habitability and for preserving physical and chemical biosignatures (as well as abiotic/prebiotic organics). The mission will delive…
openalex
Jorge L. Vago, Francès Westall, Landing S Pasteur Instrument Teams, A. J. Coates 等
2017-07-01
置信度 0.72
HabitabilityAstrobiologyExtraterrestrial lifeMars Exploration ProgramContext (archaeology)
-
One of the most significant developing fields in mineralogy during the last quarter century involves interactions between microbes and minerals in the environment. A mineral evolution has been suggested. The fundamentals of biominerals, interactions between bi…
openalex
Junji Akai
2022-04-25
置信度 0.72
BiosphereMineralEarth scienceClay mineralsGeology
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The study of higher plant growth in space started in the 1950s both on the Russian and the American sides. The first experiments were intended to assess whether plants could grow outside Earth and to determine what differences there were between spaceflight-gr…
openalex
Lucie Poulet, Jean-Pierre Fontaine, Claude‐Gilles Dussap
2016-07-02
置信度 0.72
SpaceflightPlant growthLife support systemPlant lifeSpace (punctuation)
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Abstract The Glen Torridon (GT) region in Gale crater, Mars is a region with strong clay mineral signatures inferred from orbital spectroscopy. The CheMin X‐ray diffraction (XRD) instrument onboard the Mars Science Laboratory rover, Curiosity, measured some of…
openalex
M. T. Thorpe, T. F. Bristow, E. B. Rampe, Nicholas J. Tosca 等
2022-09-15
置信度 0.72
Mars Exploration ProgramGeologySedimentary rockCarbonate mineralsImpact crater
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openalex
C. E. Manning, L. Ya. Aranovich
2014-07-07
置信度 0.72
GeologyMineralogyGeochemistryBiotiteThermodynamics
-
Biological life-support systems could greatly increase the sustainability of crewed missions to the Moon or Mars. Understanding how bacteria react to hypobaria is critical to their optimization: if enclosed within crewed compartments, microbial modules may be …
openalex
Cyprien Verseux
2020-06-23
置信度 0.72
AstrobiologyMars Exploration ProgramDesiccationEnvironmental scienceLimiting
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This review (1) presents a summary of the distribution of fluorine in different fluid (surficial, subterranean, metamorphic, and magmatic–hydrothermal–geothermal) and solid (oceanic and continental crust, mantle, and core) domains of the Earth, and various ext…
openalex
Kenneth T. Koga, Estelle F. Rose Koga
2018-03-23
置信度 0.72
HumanitiesGeologyMeteoriteAstrobiologyCrust
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The SuperCam instrument suite onboard the Mars 2020 Perseverance rover uses the laser-induced breakdown spectroscopy (LIBS) technique to determine the elemental composition of rocks and soils of the Mars surface. It is associated with a microphone to retrieve …
openalex
Baptiste Chide, Olivier Beyssac, M. Gauthier, Karim Benzerara 等
2021-12-15
置信度 0.72
Laser-induced breakdown spectroscopyMars Exploration ProgramRaman spectroscopyContext (archaeology)Laser
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The Poty Quarry, near Recife, Pernambuco, in northeastern Brazil, is presently the best exposed marine Cretaceous-Paleogene (K/Pg) boundary section known in southern low-latitude regions, spanning the uppermost Maastrichtian, Plummerita hantkeninoides Zone, to…
openalex
Eduardo A. M. Koutsoukos
2006-01-01
置信度 0.72
PaleogenePaleontologyCretaceousGeologyBoundary (topology)
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The mineral schreibersite, (Fe,Ni) 3 P, provides a reactive source of phosphorus capable of forming phosphorylated molecules. These molecules may have been an important component of prebiotic chemistry, allowing their build-up and eventual commencement of auto…
openalex
Matthew A. Pasek
2016-07-03
置信度 0.72
HadeanEarly EarthAstrobiologyAbiogenesisEarth (classical element)
-
crossref
2010-09-04T17:40:10Z
置信度 0.70
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Rocks and Minerals by Joel Arem. Geoscience Press, 12629 N. Tatum Blvd., Suite 201, Phoenix, AZ 85032. 106 pages; 1991; $8.95 excluding postage (paperback) Reviewed by: Dr. Robert Cook Antero Aquamarines by Mark I. Jacobson. L. R. Ream Publishing, Coeur d'Alen…
crossref
2010-09-04T17:26:15Z
置信度 0.70
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"Book Review: Treasure Hunting in Maine—Gems and Minerals." Rocks & Minerals, 27(11-12), p. 615
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J. Sinkankas
2016-10-08T14:32:16Z
置信度 0.70
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Roadside Geology of New Mexico, 2d ed., by Halka Chronic. Mountain Press Publishing Co., Missoula, Mont. 255 pages; 1989; $11.95 (softbound). Reviewed by Robert M. North. Proceedings of the 1991 International Gemological Symposium, Gemological Institute of Ame…
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2010-09-04T17:25:02Z
置信度 0.70
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The abundance and quality of Arkansas phosphate minerals—especially wavellite and variscite—have led collectors to seek them for over one hundred years.
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Henry L. Barwood, Henry deLinde
2016-09-02T23:18:36Z
置信度 0.70
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"A Book Review." Rocks & Minerals, 45(3), p. 217
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2016-09-30T18:34:01Z
置信度 0.70
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Jayashree Samantray, Amit Anand, Barsha Dash, Malay Kumar Ghosh 等
2022-02-23T18:54:48Z
置信度 0.70
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2016-09-14T00:53:13Z
置信度 0.70
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Adam Jordens, Ying Ping Cheng, Kristian E. Waters
2012-12-12T08:05:34Z
置信度 0.70
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2005-09-13T19:05:06Z
置信度 0.70
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by Gerhard Heide, Christel-Maria Hoppner, Steffen Jahn, Andreas Massanek, and Uwe Richter. TU Bergakademie Freiberg, Rector, 09596 Freiberg, Germany. 184 pages; 2010; €26 (about $37) (softbound). T...
crossref
Robert B. Cook
2011-11-07T17:16:24Z
置信度 0.70
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S. Chehreh Chelgani, B. Hart
2013-12-23T10:15:23Z
置信度 0.70
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Book Review| February 01 2009 Review: Alien Worlds: Social and Religious Dimensions of Extraterrestrial Contact, by Diana G. Tumminia Alien Worlds: Social and Religious Dimensions of Extraterrestrial Contact. Edited by Diana G. Tumminia. Syracuse University Pr…
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2009-02-19T18:26:51Z
置信度 0.70
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by Bruce Cairncross. Random House Struik ( www.randomstruik.co.za ). 160 pages; 2010; R$100 (US$15) (softbound). This interesting book is a condensed version of Cairncross's earlier Field Guide to ...
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Robert B. Cook
2011-05-24T05:32:11Z
置信度 0.70
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Yu Zhao, Hongbo Zhao, Tatiana Abashina, Mikhail Vainshtein
2021-08-21T01:11:43Z
置信度 0.70
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Brian P. Copenhaver, Steven J. Dick
2006-04-20T11:21:48Z
置信度 0.70
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A.M. Alfantazi, R.R. Moskalyk
2003-06-30T17:29:20Z
置信度 0.70
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Reviewed by: In and Out of This World: Material and Extraterrestrial Bodies in the Nation of Islam by Stephen C. Finley Leonard C. McKinnis Stephen C. Finley. In and Out of This World: Material and Extraterrestrial Bodies in the Nation of Islam. Durham: Duke U…
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Leonard C. McKinnis
2024-02-28T12:00:05Z
置信度 0.70
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Chlorite, a 2:1:1 phyllosilicate, has all the required attributes to form the basis of a geothermometer: this mineral is ubiquitous in metamorphic, diagenetic, and hydrothermal systems with a broad field of stability and a chemical composition partly dependent…
crossref
Franck Bourdelle
2021-01-28T05:23:05Z
置信度 0.70
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V. Sheoran, A.S. Sheoran, P. Poonia
2009-05-08T00:03:05Z
置信度 0.70
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R.R Moskalyk, A.M Alfantazi
2003-12-17T10:43:35Z
置信度 0.70
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This study provides an overview of the few archaeometric analyses of European white earthenwares from England, France, Italy, Slovenia, and Switzerland. White earthenwares were an extremely successful mass-product between ca. 1750 and 1900. They became “the po…
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Marino Maggetti
2018-06-26T10:40:50Z
置信度 0.70
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ABSTRACT Deep space exploration is the frontier of the development of humanity. Investigators worldwide have conducted extensive research on the engineering characteristics and mineralogical composition of surface materials on the Moon, Mars, and asteroids, wh…
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Yuan Zou, Huanyu Wu, Chi Zhang, Wei Yang 等
2023-09-07T16:59:46Z
置信度 0.70
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This review has as its underlying premise the need to become proficient in delivering a suite of element or metal products from polymetallic ores to avoid the predicted exhaustion of key metals in demand in technological societies. Many technologies, proven or…
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Helen Watling
2014-12-24T11:51:41Z
置信度 0.70
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C.J. Meyer, D.A. Deglon
2011-04-20T23:57:03Z
置信度 0.70
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Over the past few decades, the need to process more minerals while lowering capital costs has led to an increase in the size of flotation cells, e.g., 0.03 m3 to 1000 m3. However, this increase has created new challenges in the operation and design of industri…
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Tawona M. Jera, Clayton Bhondayi
2021-08-10T22:40:31Z
置信度 0.70
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R.R Moskalyk, A.M Alfantazi
2003-07-22T22:21:43Z
置信度 0.70
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S. Bilgen, B.A. Wills
2003-03-15T06:41:30Z
置信度 0.70
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The land in question was set aside by the state for school purposes. For some time prior to 1881 one Bailey had been in possession. At that time he and his children, to whom he had deeded parts of the land, conveyed the mineral interests to a grantee from whom…
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John M. Ulman
2006-05-12T02:46:42Z
置信度 0.70
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C.J. Martin, R.E. McIvor, J.A. Finch, S.R. Rao
2003-03-15T01:41:30Z
置信度 0.70
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Received 10 February 1964DOI:https://doi.org/10.1103/PhysRevLett.12.269©1964 American Physical Society
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C. Y. Fan, J. A. Simpson, Edward C. Stone
2002-07-27T03:47:22Z
置信度 0.70
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M.A. Fichera, M.W. Chudacek
2003-03-15T06:41:30Z
置信度 0.70
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J.L. Watson
2003-03-15T06:59:29Z
置信度 0.70
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M.G Aylmore, D.M Muir
2002-07-25T14:37:42Z
置信度 0.70
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Pascal Richet, Philippe Gillet
2014-07-15T13:04:32Z
置信度 0.70
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CLARENCE S. ROSS
2013-11-19T20:29:28Z
置信度 0.70
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Jeffrey A. Scovil
2010-09-04T17:41:41Z
置信度 0.70
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crossref
2020-02-24T10:25:42Z
置信度 0.70
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PCXRAY by William B. Simmons, Andre M. Rog, and Karen L. Webber. PC Geological Systems, Dept. of Geology and Geophysics, University of New Orleans, New Orleans, LA 70148. $199.00 with documentation, excluding postage. Reviewed by Dr. Robert B. Cook.
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Robert B. Cook
2010-09-04T17:25:14Z
置信度 0.70
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crossref
2020-02-19T09:20:34Z
置信度 0.70
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crossref
V. Leute
2004-10-10T14:25:26Z
置信度 0.70
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The first step in researching the structure of any given industry must be the identification of the main actors, ie the companies, institutions and individuals, that are engaged in various stages of production. RMR editors Andreas Tegen and Eva Skult look at s…
crossref
2011-09-26T09:47:30Z
置信度 0.70
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crossref
Chris Aldrich
2013-06-05T08:20:40Z
置信度 0.70
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K.E. Fitzgibbon, T.J. Veasey
2003-03-15T01:59:29Z
置信度 0.70
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Currently, the use of called “green solvents” is a challenge that must be assumed by the industry, since they contribute to a friendly process and where its use has been extended, causing research needs, and recognition of application and analysis of potential…
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Ingrid Jamett, Paulina Carrasco, Monique Olmos, Pía Hernández
2022-12-23T04:24:53Z
置信度 0.70
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Geology has remunerated people in the Central Alps for the lack of useful ore deposits by a remarkable richness in spectacular and rare minerals.
crossref
Stefan Graeser
2009-12-25T12:33:31Z
置信度 0.70
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▪ Abstract The search for evidence of extraterrestrial intelligence is placed in the broader astronomical context of the search for extrasolar planets and biomarkers of primitive life elsewhere in the universe. A decision tree of possible search strategies is …
crossref
Jill Tarter
2002-07-27T07:49:00Z
置信度 0.70
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Agate—a spectacular form of SiO2 and a famous gemstone—is commonly characterized as banded chalcedony. In detail, chalcedony layers in agates can be intergrown or intercalated with macrocrystalline quartz, quartzine, opal-A, opal-CT, cristobalite and/or mogani…
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Jens Götze, Robert Möckel, Yuanming Pan
2020-11-20T09:46:18Z
置信度 0.70
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All minerals having a crystal structure and a chemical composition that can be described as a regular combination of modules of epidote-type structure (E) and modules of to ̈rnebohmite-type structure (T) fulfil the criteria of forming a mineral supergroup, nam…
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Paola Bonazzi, Dan Holtstam, Luca Bindi
2018-11-09T01:05:24Z
置信度 0.70
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crossref
Elizabeth A. Street
2015-06-12T17:04:08Z
置信度 0.70
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Easily soluble in aqueous fluids, halogens are rarely found as solid minerals or rocks in the Earth, with the marked exception of evaporites. But they are extremely reactive and play a major role i...
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Jacques Touret
2018-09-17T14:22:03Z
置信度 0.70
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crossref
R.L. Nyirenda
2003-03-15T01:41:30Z
置信度 0.70
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The space environment offers unique challenges for robotic grippers and controllable attachment mechanisms. Applications include satellite and orbital debris capture, perching for free‐floating robots inside the International Space Station, climbing rocky surf…
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Matthew Spenko
2021-07-28T05:51:04Z
置信度 0.70
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crossref
C.A. Pickles
2009-04-11T08:20:51Z
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2006-11-15T21:18:55Z
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2012-06-14T17:03:15Z
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James Coker
2014-09-19T13:24:45Z
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