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Phosphate ore is an important raw material for manufacturing fertilizers and phosphorous chemical products. While most of the phosphate resources cannot be directly treated as feed stock due to the low grade of P2O5 and high content of impurities. In order to …
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Zinc nonsulfides are well represented in the Middle East, with occurrences in Turkey, Iran, and Yemen. Their genesis can be constrained by using carbon and oxygen isotope systematics applied to carbonate minerals. The δ13C ratios of smithsonite and hydrozincit…
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The inaugural edition of the Critical Minerals Market Review provides a major update on the investment, market, technology and policy trends of the critical minerals sector in 2022 and an initial reading of the emerging picture for 2023. Through in-depth analy…
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Coveted by mineralogists and gemologists alike, November's birthstone has been named the featured mineral at the 1995 Tucson Gem & Mineral Show.
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Abstract Reliable solar power is essential for sustained lunar and Martian surfaceoperations, yet lunar dust poses one of the most severe threats to photovoltaicperformance. Apollo missions recorded up to 16% power loss within one year, whilelaboratory tests s…
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Microorganisms enter the flotation process mainly from intake water and ore material. The diversity and number of microorganisms can vary significantly from mine to mine. In flotation, the conditions including oxygen levels, temperature, and nutrients from ore…
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In the attempt to process lower-grade ores, mineral flotation has taken centre stage as the preferred recovery route. However, in many instances, the froth product does not have a high grade due to the entrainment of gangue minerals. Industry has solved this c…
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Metal Men: Marc Rich and the 10-Billion Dollar Scam by Craig Copetas. First Published New York 1985. Published in London by Harrup, 8.95 GB, 223 PP.
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Although emerald deposits are relatively rare, they can be formed in several different, but specific geologic settings and the classification systems and models currently used to describe emerald precipitation and predict its occurrence are too restrictive, le…
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History, Minerals & Crystals of Utah's Bingham Canyon Copper Mine by Jerry North. Published by the author ( www.DisplaysofNature.net ). 65 pages; 2010; $15 plus shipping (softbound). This is an exc...
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The aluminium industry and the third world. Multinational corporations and underdevelopment, by Ronald Graham. Zed Press, London 1982, 278 pp. Price 6.95 GBP. Aluminum: Profile of An Industry, published by Metals Week, McGraw Hill, (New York), 1982. Price 87 U…
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The International Uranium Market Thomas L Neff. Ballinger Cambridge, Mass, 1984. 347 pages. “Cut and run: the assault on Canada's forests”. By Jaime Swift, Between the Lines, 427 Bloor Street West, Toronto, Ontario 1983.
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The exploration of solar system bodies is now for decades a focus of activities of space agencies around the world. The motivation ranges from gaining a better understanding of the geology of e.g. planets and moons to the search for traces of (former) life. Th…
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Mullite (3Al2O3·2SiO2) is an aluminosilicate characterized by excellent physical properties, which makes it an important ceramic material. In this way, ceramics based on mullite find applications in different technological fields as refractory material (metall…
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Off-Earth drilling may be assumed as the second phase of space exploration to discover the unrevealed subsurface on the planetary bodies. It accelerates future space objectives such as in-situ propellant production, mineral exploitation, and space tourism. Owi…
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Dariusz Knez, Mitra Khalilidermani
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DrillingDrillContext (archaeology)Space explorationSystems engineering
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Firestone et al., 2007, PNAS 104(41): 16,016–16,021, proposed that a major cosmic impact, circa 10,835 cal. BCE, triggered the Younger Dryas (YD) climate shift along with changes in human cultures and megafaunal extinctions. Fourteen years after this initial w…
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Martin B. Sweatman
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Younger DryasMegafaunaScrutinyClimate changeGeography
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Limits in resource availability are driving a change in current societal production systems, changing the focus from residues treatment, such as wastewater treatment, toward resource recovery. Biotechnological processes offer an economic and versatile way to c…
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Daniel Puyol, Damien J. Batstone, Tim Hülsen, Sergi Astals 等
2017-01-05
置信度 0.72
BiohydrogenResource recoveryBiomass (ecology)Anaerobic digestionWastewater
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Retrieving aerosol properties from satellite remote sensing over a bright surface is a challenging problem in the research of atmospheric and land applications. In this paper we propose a new approach to retrieve aerosol properties over surfaces such as arid, …
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N. C. Hsu, Si‐Chee Tsay, Michael D. King, J. R. Herman
2004-03-01
置信度 0.72
AerosolAERONETRemote sensingSeaWiFSModerate-resolution imaging spectroradiometer
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Iron silicide minerals (Fe-Si group) are found in terrestrial and solar system samples. These minerals tend to be more common in extraterrestrial rocks such as meteorites, and their existence in terrestrial rocks is limited due to a requirement of extremely re…
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Tian Feng, Josh Abbatiello, Arthur Omran, Christopher Mehta 等
2021-12-09
置信度 0.72
Extraterrestrial lifeMeteoriteAstrobiologyGeologySilicide
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Abstract— In the 21st century, glaciers are perceived as a distinct biome that has taken on special significance in today’s world of retreating ice. In this paper, we review the results of recent studies of organomineral formations on glaciers, their diversity…
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N. S. Mergelov, S. V. Goryachkin, E. P. Zazovskaya, Д. В. Карелин 等
2023-12-01
置信度 0.72
GeologyGlacierEarth scienceSoil waterWeathering
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HCN-derived polymers are a heterogeneous group of complex substances synthesized from pure HCN; from its salts; from its oligomers, specifically its trimer and tetramer, amino-nalono-nitrile (AMN) and diamino-maleo-nitrile (DAMN), respectively; or from its hyd…
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Marta Ruiz‐Bermejo, José de la Fuente, Cristina Pérez-Fernández, Eva Mateo‐Martí
2021-03-29
置信度 0.72
PolymerNitrileTrimerChemistryMacromolecule
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Nature and biological creatures are some of the main sources of inspiration for humans. Engineers have aspired to emulate these natural systems. As rigid systems become increasingly limited in their capabilities to perform complex tasks and adapt to their envi…
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Samuel M. Youssef, MennaAllah Soliman, Mahmood A. Saleh, Mostafa A. Mousa 等
2022-01-10
置信度 0.72
Soft roboticsCreaturesRoboticsUnderwaterArtificial intelligence
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—The formation of basalts is a global stage in the evolution of differentiated cosmic body (planet or asteroid) of the Solar System. The paper presents the main chemical and mineralogical features of basaltic meteorites of the SNC, HED group, angrites and luna…
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С. И. Демидова, D. D. Badyukov
2023-05-01
置信度 0.72
BasaltPyroxeneGeologyAstrobiologyMeteorite
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The possibility of prolonging space missions—and consequently the permanence of humans in space—depends on the possibility of providing them with an adequate supply of fresh foods to meet their nutritional requirements. This would allow space travelers to miti…
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Petronia Carillo, Biagio Morrone, Giovanna Marta Fusco, Stefania De Pascale 等
2020-05-13
置信度 0.72
International Space StationSpace (punctuation)Life support systemAgricultureSpace exploration
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Abstract The concept of planetary intelligence as collective intelligence is used to consider possible evolutionary paths of biotechnospheres that emerge on the intersection of the technosphere with the biosphere and support coupling of the technosphere with t…
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Irina K. Romanovskaya
2023-09-08
置信度 0.72
AstrobiologySearch for extraterrestrial intelligenceExtraterrestrial lifeSolar SystemBiosphere
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Microbially induced carbonate precipitation (MICP) mimics the natural cementation process that occurs in various geological settings by using the bicarbonate minerals resulting from various bacterial metabolic pathways as cementing agents. This bio-technique c…
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Hongyan Zuo, Shuisong Ni, Meiying Xu
2023-04-06
置信度 0.72
Cementation (geology)CarbonateEnvironmental scienceDurabilityMaterials science
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openalex
G. Horneck, Petra Rettberg, Günther Reitz, Jörg Wehner 等
2001-12-01
置信度 0.72
SporeMeteoriteAstrobiologyEjectaHypervelocity
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Abstract Determining the ages of young planetary surfaces relies on using populations of small, often sub‐km diameter impact craters due to the higher frequency at which they form. Smaller craters however can be less reliable for estimating ages as their size‐…
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J. P. Williams, C. H. van der Bogert, A. V. Pathare, Gregory Michael 等
2017-07-27
置信度 0.72
Impact craterGeologyContext (archaeology)AstrobiologyLunar craters
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Abstract— Radiochronometry of L chondritic meteorites yields a rough age estimate for a major collision in the asteroid belt about 500 Myr ago. Fossil meteorites from Sweden indicate a highly increased influx of extraterrestrial matter in the Middle Ordovician…
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E. V. Korochantseva, M. Trieloff, C. A. Lorenz, A. I. Buykin 等
2007-01-01
置信度 0.72
MeteoriteChondriteIsochronGeologyParent body
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Abstract In recent years, the number of studies of pollution and magnetic proxies for environmental pollution in developed countries, especially European and North American countries, has gradually increased from the 80’s to date. Despite this trend that shows…
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Marcos A. E. Chaparro, Marcos A. E. Chaparro, Claudia Gogorza, Mauro A. E. Chaparro 等
2006-10-01
置信度 0.72
PollutionEnvironmental magnetismSoil waterEnvironmental sciencePollutant
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Mössbauer (nuclear γ-resonance) spectroscopy is a powerful technique which is actively used in various fields from physics and chemistry to biology and medicine. Rudolf L. Mössbauer, who observed nuclear γ-resonance and published his results in 1958, got a Nob…
openalex
A. A. Maksimova, Michael Goryunov, М. И. Оштрах
2021-06-08
置信度 0.72
MeteoriteAstrobiologyMartianMössbauer spectroscopySpectroscopy
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openalex
Jacob Hanley, Kenneth T. Koga
2018-01-01
置信度 0.72
COSMIC cancer databaseHalogenEarth scienceEnvironmental chemistryAstrobiology
-
We are developing a modular Silicon Drift Detector (SDD) X-Ray Spectrometer (XRS) for measuring the abundances of light surface elements (C to Fe) fluoresced by ambient radiation on remote airless bodies. The value of fluorescence spectrometry for surface elem…
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Brian D. Ramsey, Jessica A. Gaskin, Ronald F. Elsner, W Chen 等
2012-02-08
置信度 0.72
SpectrometerSiliconDetectorRadiationSilicon drift detector
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The noble gas composition of fluids trapped in sulfides at Ocean Drilling Program Leg 139, Site 856, were measured. Helium in these fluids is significantly enriched relative to deep oceanic waters but is considerably lower than the helium contents of mid-ocean…
openalex
Finlay M. Stuart, Rowena C. Duckworth, G. Turner, P. F. Schofield
1994-10-01
置信度 0.72
RidgeSulfurSulfideGeologyGeochemistry
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This book reviews hydrothermal mineral deposits and related processes, as implied by the title. However, it also includes an introduction to a potpourri of topics, from hydrothermal principles and fluids, hydrothermal alteration, and tectonic settings of miner…
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Jeffrey W. Hedenquist
2009-07-01
置信度 0.72
MineralGeochemistryGeologyMaterials scienceMetallurgy
-
openalex
Ute Böttger, Martin Maiwald, Franziska Hanke, Marcel Braune 等
2017-05-13
置信度 0.72
Raman spectroscopyExtraterrestrial lifeMaterials scienceExcitationSpectroscopy
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openalex
Margarita Do Campo, Blanca Bauluz, Cecilia del Papa, Timothy S. White 等
2018-03-18
置信度 0.72
GeologyPaleogenePaleosolPaleontologyKaolinite
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Abstract This publcation is a comprehensive and integrated review of energy and mineral resources in the Solar System, including materials that can both sustain future manned expeditions and colonies in space and support Earth's energy and critical material ch…
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William A. Ambrose, James F. Reilly, Douglas C. Peters
2013-01-01
置信度 0.72
AstrobiologyMars Exploration ProgramSolar SystemExtraterrestrial lifeSpace exploration
-
openalex
Wayne L. Nicholson
2002-03-01
置信度 0.72
EndosporeHost (biology)BiologyBacillus (shape)Spore
-
Abstract— Cosmogenic He, Ne, and Ar were measured in the iron meteorites Grant (IIIAB) and Carbo (IID) to re‐determine their preatmospheric geometries and exposure histories. We also investigated the influence of sulphur‐ and/or phosphorus‐rich inclusions on t…
openalex
K. Ammon, J. Masarik, I. Leya
2008-04-01
置信度 0.72
MeteoriteBar (unit)Analytical Chemistry (journal)Line (geometry)Mineralogy
-
Abstract. We report that the most abundant C1 units of terrestrial plants, the methoxyl groups of pectin and lignin, have a unique carbon isotope signature exceptionally depleted in 13C. Plant-derived C1 volatile organic compounds (VOCs) are also anomalously d…
openalex
Frank Keppler, Robert M. Kalin, David B. Harper, W. Colin McRoberts 等
2004-12-13
置信度 0.72
Biogeochemical cycleMethanogenesisEnvironmental chemistryIsotopes of carbonTerrestrial plant
-
Hydrogen is a key energy source for subsurface microbial processes, particularly in subsurface environments with limited alternative electron donors, and environments that are not well connected to the surface. In addition to consumption of hydrogen, microbial…
openalex
Simon Gregory, Megan J. Barnett, Lorraine P. Field, A. E. Milodowski
2019-02-15
置信度 0.72
HydrogenHydrogen productionEnvironmental scienceMicroorganismEnvironmental chemistry
-
The objective of this study is to present the thermal emission spectra of various anhydrous, calcite‐ and dolomite‐series carbonate minerals to illustrate the effect of the structural cation (Ca2+, Mg2+, Fe2+, Mn2+, Zn2+) on shifting the positions of the carbo…
openalex
M. D. Lane, P. R. Christensen
1997-11-01
置信度 0.72
CarbonateDolomiteMagnesiteRhodochrositeCalcite
-
Anomalously high platinum group element concentrations have previously been reported for Upper Triassic deep-sea sediments, which are interpreted to be derived from an extraterrestrial impact event. Here we report the osmium (Os) isotope fingerprint of an extr…
openalex
Honami Sato, Tetsuji Onoue, Tatsuo Nozaki, Katsuhiko Suzuki
2013-09-16
置信度 0.72
OsmiumGeologyMeteoriteIsotopeExcursion
-
Naturally occurring radionuclides can be categorized into two main groups: primordial and cosmogenic, based on their origin. Primordial radionuclides stem from the Earth’s crust, occurring either individually or as part of decay chains. Conversely, cosmogenic …
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Mohamed H. Fathy, Farha Shaban, Thowayba M. Fawzy, Dat Viet Nguyen 等
2024-07-10
置信度 0.72
RadionuclideEarth scienceGeologyUraniumRadioactive decay
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The unexpected detection of ∼16 wt.% monoclinic tridymite, a high-temperature silica polymorph, within an otherwise lacustrine mudstone in Gale crater, Mars raises significant questions about its formation and the extent of magmatic evolution on that planet. T…
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V. Payré, K. L. Siebach, M. T. Thorpe, Paula Antoshechkina 等
2022-07-19
置信度 0.72
TridymiteGeologyHesperianNoachianGeochemistry
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The single-handedness of biological molecules has fascinated scientists and laymen alike since Pasteur's first painstaking separation of the enantiomorphic crystals of a tartrate salt more than 150 yr ago. More recently, a number of theoretical and experimenta…
openalex
Donna G. Blackmond
2010-03-31
置信度 0.72
HomochiralityAbiogenesisBiologyAstrobiologyBiochemistry
-
Mössbauer (nuclear γ-resonance) spectroscopy is a powerful technique that is actively used in various fields, from physics and chemistry to biology and medicine. Rudolf L. Mössbauer, who observed nuclear γ-resonance and published his results in 1958, received …
openalex
A. A. Maksimova, М. И. Оштрах
2021-06-08
置信度 0.72
MeteoriteAstrobiologyMössbauer spectroscopySpectroscopyPlanetary science
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BIOMEX (BIOlogy and Mars EXperiment) is an ESA/Roscosmos space exposure experiment housed within the exposure facility EXPOSE-R2 outside the Zvezda module on the International Space Station (ISS). The design of the multiuser facility supports-among others-the …
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Jean‐Pierre de Vera, Mashal Alawi, Theresa Backhaus, Mickaël Baqué 等
2019-02-01
置信度 0.72
HabitabilityAstrobiologyMars Exploration ProgramMartianInternational Space Station
-
Polymineralic inclusions in megacrysts have been reported to occur in kimberlites worldwide. The inclusions are likely the products of early kimberlite melt(s) which invaded the pre-existing megacryst minerals at mantle depths (i.e., at pressures ranging from …
openalex
Yannick Bussweiler
2019-08-30
置信度 0.72
KimberliteMelt inclusionsGeochemistryGeologyXenolith
-
Due to its absence of an atmosphere and relative geological inertness, the Moon's surface records past impacts of objects from the Solar system and beyond. We examine the prospects for discovering extrasolar material near the lunar surface and predict that its…
openalex
Manasvi Lingam, Abraham Loeb
2019-07-11
置信度 0.72
AstrobiologyExtraterrestrial lifeExoplanetSolar SystemAbundance (ecology)
-
Middle Devonian Ni-Mo-Zn-Pt-Pd-Au-Re hyper-enriched black shales (HEBS) from Peel River in north Yukon have high abundances of platinum group elements (PGE; ca. 500 ppb), Au (40–130 ppb) and Re (8–55 ppm). Mineralization occurs in up to three thin (0.5–10 cm t…
openalex
M G Gadd, Jan M. Peter, Simon E. Jackson, Zhaoping Yang 等
2019-03-05
置信度 0.72
PyriteGeologyMineralization (soil science)GeochemistrySulfide
-
The feasibility of recovering hydrogen from extraterrestrial materials (lunar and Martian soils, asteroids) using microwave energy is presented. Reasons for harvesting and origins and locations of hydrogen are reviewed. Problems of hydrogen recovery are discus…
openalex
Dennis S. Tucker, D. T. Vaniman, John L. Anderson, F.W. Clinard 等
1984-01-01
置信度 0.72
HydrogenIlmeniteMicrowaveAstrobiologyMaterials science
-
"The soils of Antarctic oases - coastal as well as inland ice-free areas limited by ice sheet or ice shelves attract attention as a block of one of the most extreme terrestrial ecosystems of the Earth. The knowledge about early stages of pedogenesis, solumform…
openalex
Sergey Sedov, E. P. Zazovskaya, Dmitriy Fedorov-Davydov, T. V. Alekseeva
2019-01-14
置信度 0.72
Microscale chemistrySoil waterMineralEarth scienceGeology
-
Among different depollution methods, photocatalysis activated by solar light is promising for terrestrial outdoor applications. However, its use in underground structures and/or microgravity environments (e.g., extraterrestrial structures) is forbidden. In the…
openalex
Lidia Mezzina, Angelo Nicosia, Fabiana Vento, Guido De Guidi 等
2022-03-17
置信度 0.72
PhotocatalysisNanocompositeMaterials sciencePhotodegradationThermogravimetric analysis
-
openalex
Ludmilla Kolokolova, W. B. Sparks, Daniel W. Mackowski
2011-01-01
置信度 0.72
HomochiralityCircular polarizationAstrobiologyScatteringExtraterrestrial life
-
openalex
Eduardo O. Zappettini, Nora A. Rubinstein, Sabrina Crosta, Susana J. Segal
2017-06-21
置信度 0.72
GeologyGeochemistryMineralization (soil science)FluoriteRift
-
Migrating computational intensive tasks from mobile devices to more resourceful cloud servers is a promising technique to increase the computational capacity of mobile devices while saving their battery energy. In this paper, we consider an MIMO multicell syst…
openalex
Stefania Sardellitti, Gesualdo Scutari, Sergio Barbarossa
2015-06-01
置信度 0.72
Computer scienceCloud computingMobile edge computingOptimization problemServer
-
The THESEUS project (Towards Human Exploration of Space: a EUropean Strategy) was initiated within the seventh Framework Programme by the European Commission. This project aimed to provide a cross-cutting, life science-based roadmap for Europe’s strategy towar…
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André Aubert, Irina V. Larina, Iman Momken, Stéphane Blanc 等
2016-11-30
置信度 0.72
Relevance (law)Space (punctuation)Principal (computer security)European commissionSpace exploration
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openalex
Delphine Nna-Mvondo, Jesús Martínez‐Frías
2007-02-14
置信度 0.72
AstrobiologyGeologyUltramafic rockCrustEarth science
-
Invited review paper for the first issue of the journal IRECHE - International Review of Chemical Engineering - Rapid Communications.
openalex
Guillermo Rein
2009-01-01
置信度 0.72
CombustionEnvironmental scienceEngineeringComputer scienceChemistry
-
Pyrite framboid,the wonderful microcrystalline(0.1-1 μm) mineral aggregate(5-50 μm),has been a study focus in different disciplines since scientists first discovered(1923) and named it(1935).This paper reviews the progresses and existing problems of pyrite fra…
openalex
Xueying Yang, Yiming Gong
2011-01-01
置信度 0.72
PyriteEarth scienceChemistryGeologyMineralogy
-
Abstract. The Critical Zone (CZ) is a holistic framework for integrated studies of water with soil, rock, air, and biotic resources in the near-surface terrestrial environment. This most heterogeneous and complex region of the Earth ranges from the vegetation …
openalex
H. Lin
2010-01-08
置信度 0.72
HydrosphereEarth scienceBiosphereEarth system scienceEnvironmental science
-
[1] Surface ocean iron (Fe) fertilization can affect the marine primary productivity (MPP), thereby impacting on CO2 exchanges at the atmosphere-ocean interface and eventually on climate. Mineral (aeolian or desert) dust is known to be a major atmospheric sour…
openalex
Nazlı Olgun, Svend Duggen, Peter Croot, Pierre Delmelle 等
2011-08-05
置信度 0.72
Volcanic ashIron fertilizationVolcanoGeologySeawater
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The aerosol products retrieved using the Moderate Resolution Imaging Spectroradiometer (MODIS) collection 5.1 Deep Blue algorithm have provided useful information about aerosol properties over bright‐reflecting land surfaces, such as desert, semiarid, and urba…
openalex
N. Christina Hsu, Myeong-Jae Jeong, C. Bettenhausen, A. M. Sayer 等
2013-08-12
置信度 0.72
AERONETAerosolDeep blueRemote sensingEnvironmental science
-
We discuss fluorescence as a method to detect polycyclic aromatic hydrocarbons and other organic molecules, as well as minerals on the surface of Mars. We present an instrument design that is adapted from the ChemCam instrument which is currently on the Mars S…
openalex
H. D. Smith, Christopher P. McKay, Andrew Duncan, Ronald C. Sims 等
2014-01-01
置信度 0.72
Mars Exploration ProgramFluorescenceAstrobiologyMars roverMartian surface
-
Biology exhibits homochirality, in that only one of two possible molecular configurations (called enantiomers) is used in both proteins and nucleic acids. The origin of this phenomenon is currently unknown, as nearly all known abiotic mechanisms for generating…
openalex
Aaron S. Burton, E. L. Berger
2018-05-12
置信度 0.72
HomochiralityEnantiomerAmino acidMeteoriteChemistry
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NASA's plans for space exploration include a return to the Moon to stay-boots back on the lunar surface with an orbital outpost. This station will be a launch point for voyages to destinations further away in our solar system, including journeys to the red pla…
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Zarana S. Patel, Tyson Brunstetter, William J. Tarver, Alexandra Whitmire 等
2020-11-05
置信度 0.72
SpaceflightMars Exploration ProgramAeronauticsSpace explorationEnvironmental health
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Abstract This paper reviews the development of geologic remote sensing of the Earth and earth-like bodies from space in the 1946–1984 period. Topics include sounding rocket photography, hand-held photography from Mercury, Gemini, Apollo, Apollo-Soyuz Test Proj…
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Paul D. Lowman
1985-01-01
置信度 0.72
GeologySpace (punctuation)Computer scienceOperating system
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The Sample Analysis at Mars (SAM) investigation of the Mars Science Laboratory (MSL) addresses the chemical and isotopic composition of the atmosphere and volatiles extracted from solid samples. The SAM investigation is designed to contribute substantially to …
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P. R. Mahaffy, Christopher R. Webster, M. Cabane, P. G. Conrad 等
2012-04-26
置信度 0.72
Mars Exploration ProgramAstrobiologyExploration of MarsAtmosphere of MarsMars landing
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Daniel Segrè, Dafna Ben-Eli, David W. Deamer, Doron Lancet
2001-02-01
置信度 0.72
AbiogenesisAmphiphileMicelleChemistryBilayer
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Andrew Y. Glikson, Franco Pirajno
2018-01-01
置信度 0.72
AsteroidAstrobiologyGeologyEarth sciencePlanet