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openalex
April Commodore Roy, Janet V. Powers
1990-09-01
置信度 0.72
Subject (documents)Scope (computer science)CitationIndex (typography)Compiler
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The Exoplanet Exploration Program (ExEP) is chartered by the NASA Astrophysics Division to carry out science, research, and technology tasks that advance NASA's science goals for exoplanets. The ExEP Science Gap List is a compilation of "science gaps", defined…
openalex
Karl R. Stapelfeldt, Eric E. Mamajek
2025-07-24
置信度 0.72
ExoplanetPlanetPhysicsAstrobiologyAstronomy
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With the advanced capabilities of ground- and space-based telescopes, exoplanet science is beginning to characterize the physics and chemistry of exoplanet atmospheres. However, interpreting exoplanet observations requires sophisticated modeling tools that rel…
openalex
Maggie A. Thompson
2026-03-01
置信度 0.72
ExoplanetAstrobiologyPlanetPhysicsHabitability
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Abstract Serpentinization-associated geofluid systems are thought to facilitate the abiotic synthesis of organic compounds, which may have played a key role in the prebiotic chemical evolution on the early Earth. The Mariana convergent margin hosts one of the …
openalex
Koudai Taguchi, Shinsuke Kawagucci, Alexis Gilbert, Yuichiro Ueno 等
2026-02-24
置信度 0.72
ForearcIsotopologueGeologyAbiogenic petroleum originGeochemistry
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De nombreux spectacles scientifiques se donnaient en Grande-Bretagne tout au long du 18 e siècle, offrant de nouvelles expériences sensorielles qui souvent se prévalaient d’une mission éducative sur les merveilles de la nature. Les manifestations et les audito…
openalex
Chelsea Redeker Milbourne, Guy Spielmann
2017-05-30
置信度 0.72
HumanitiesArtPhilosophy
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Searching for signs of life is a primary goal of the Habitable Worlds Observatory (HWO). However, merely detecting oxygen, methane, or other widely discussed biosignatures is insufficient evidence for a biosphere. In parallel with biosignature detection, exopl…
openalex
Joshua Krissansen‐Totton, Anna Grace Ulses, Maxwell Frissell, Samantha Gilbert-Janizek 等
2026-08-17
置信度 0.72
ExoplanetAstrobiologyHabitabilityCoronagraphContext (archaeology)
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Abstract The Nasia catchment is the reservoir for significant surface water resources in Northern Ghana and home to numerous subsistence farmers engaged in rainfed and dry season irrigation farming. Yet there is little understanding of the hydro-climatic and l…
openalex
Emmanuel Nyadzi, Enoch Bessah, Gordana Kranjac-Berisavljevic, Fulco Ludwig
2021-05-25
置信度 0.72
Structural basinWhite (mutation)Drainage basinGeographyLand cover
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Abstract Fluids released from subducting hydrated rocks influence volcanism, tectonics, and geochemical cycling, but the mechanisms of fluid escape in subduction zones remain poorly understood. We address this issue by investigating the Erro‐Tobbio meta‐serpen…
openalex
Austin Arias, Lisa Eberhard, Andreas Beinlich, T. John 等
2026-02-01
置信度 0.72
DehydrationGeologyPermeability (electromagnetism)PorosityOlivine
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ABSTRACT With the invention of the lithium‐ion battery, the demand for lithium raw materials is increasing due to the electrification of the transport sector (EV batteries) and the expansion of renewable energies and their storage. Technological progress is ac…
openalex
Nico Kropp, Ralf Halama, Ralf B. Wehrspohn
2025-12-01
置信度 0.72
Lithium (medication)Computer scienceProcess engineeringLithium batteryBattery (electricity)
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Studies of deep-sea hydrothermal vent systems have generated a spectrum of hypotheses concerning the origin of life on Earth. The present paper integrates recent literature surrounding three separate hydrothermal vent systems (Lost City in the mid-Atlantic, Gu…
openalex
Shea Cinquemani, Richard A. Lutz
2026-03-03
置信度 0.72
Hydrothermal ventHydrothermal circulationGeologyImpact craterEarth science
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This chapter (Multiple Collector ICP‐MS: Technological advances in high precision isotope ratio measurements across the Periodic Table) is a contribution to the Geostandards and Geoanalytical Research Handbook of Rock and Mineral Analysis – an online textbook …
openalex
Sune G. Nielsen, Andy W. Heard, Justin Y. Hu, Mark Rehkämper
2026-07-31
置信度 0.72
IsotopeStable isotope ratioGeologyEarth scienceMineralogy
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Photoelectrochemical (PEC) technology serves as a pivotal pathway for converting solar energy into chemical fuels, demonstrating significant potential in addressing global energy crises and environmental challenges. Two-dimensional (2D) layered materials have …
openalex
Penghui Xu, Hao Niu, Yuanping He, Yongfang Sun 等
2026-03-31
置信度 0.72
Energy transformationNanotechnologyMaterials scienceGraphitic carbon nitrideEnergy conversion efficiency
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Microorganisms live in a wide range of environments, performing diverse roles either independently or in association with other organisms forming consortia. This study is focused on those with the ability to bioremediate environments contaminated with petroleu…
openalex
Y. Mena, José Navarro-Pedreño, J. David Hernández-Martich, Manuel M. Jordán 等
2026-01-25
置信度 0.72
GammaproteobacteriaAlphaproteobacteriaBiology16S ribosomal RNABioremediation
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The Interstellar Mapping and Acceleration (IMAP) mission probes the interaction between our heliosphere and the interstellar medium (ISM) in unprecedented detail. The broad science that IMAP addresses has been organized into three distinct science themes: A) A…
openalex
J. R. Szalay, Elena Provornikova, Ethan Ayari, M. Bzowski 等
2026-04-01
置信度 0.72
HeliospherePhysicsInterplanetary spaceflightContext (archaeology)Energetic neutral atom
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Strains CF4.4 T and KK5.5 T , previously isolated from samples of biocrust and permafrost, respectively, collected from Northern Greenland, were characterized using a polyphasic approach. Both strains were Gram-stain-positive, non-motile and non-endospore-form…
openalex
Miguel Ángel Salinas-García, Anders Priemé
2026-02-12
置信度 0.72
Biology16S ribosomal RNAStrain (injury)Phylogenetic treeActinobacteria
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Abstract The mechanical properties of lunar regolith constitute the engineering foundation for lunar bases and in-situ resource utilization. Yet, the micromechanical “genome” of lunar regolith—its fundamental structure-property relationships—has remained large…
openalex
Yiwei Liu, Yizhuo He, Songzheng Yu, Guanghui Liu 等
2026-05-04
置信度 0.72
RegolithExtraterrestrial lifeAstrobiologyLunar soilScaling law
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Abstract Calcium‐aluminum‐rich inclusions (CAIs) are the first objects that formed in the solar accretion disk and therefore provide valuable insights into the evolution of the early solar system. A long‐standing question regarding this earliest formative peri…
openalex
Parastoo Ghaznavi, Christoph Burkhardt, François Tissot, I. Leya
2025-01-07
置信度 0.72
Allende meteoriteChondriteGeologyGeochemistryAstrobiology
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The scientific significance and scarcity of extraterrestrial rock and mineral samples means that techniques for nanoscale analysis are essential tools for planetary scientists. This review describes some applications of key methods for identifying minerals in …
openalex
Martin Lee
2026-01-01
置信度 0.72
AstrobiologyMeteoriteExtraterrestrial lifePlanetPlanetary science
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The sustainability of outer space activities incorporates the Legislation, Regulatory, Policy, Safety, and Capacity building as provided in the “Guidelines for the Long-Term Sustainability of Outer Space Activities” (LTS Guidelines), scientific, international …
openalex
Kassim B. Kipanga, Manzoor Hassan
2025-01-01
置信度 0.72
SustainabilitySpace (punctuation)BusinessPolitical scienceEnvironmental resource management
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Abstract. In April 2020, the U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center introduced a Level 2 provisional Aquatic Reflectance (AR) product for the Landsat 8 Operational Land Imager (OLI), marking the initial phase in dev…
openalex
Benjamin Page, Christopher J. Crawford, Saeed Arab, Gail Schmidt 等
2026-02-02
置信度 0.72
Environmental scienceColored dissolved organic matterRemote sensingAtmospheric correctionOcean color
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Human exploration of Mars will expose crews to a persistent, fine particulate environment whose physicochemical properties and health implications remain only partly understood. Because no samples of authentic Martian airborne dust have been returned to Earth,…
openalex
Douglas Ebert, Kim Lowe, David R Francisco
2026-07-01
置信度 0.72
Mars Exploration ProgramMartianEnvironmental scienceAstrobiologyMartian surface
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Abstract Ground-penetrating radar (GPR) has become a pivotal tool in lunar geological exploration, providing direct insight into the Moon's subsurface structure. This review provides a focused summary of GPR applications in the Apollo 17, Kaguya, and Chang'e l…
openalex
Chunyang Zhao, Ling Zhang, Shaoping Lu, Rui Gao
2025-07-12
置信度 0.72
Ground-penetrating radarGeologyRadarRemote sensingAstrobiology
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The abiotic formation of adenine from hydrogen cyanide (HCN) has long been suspected to be a key step in the origin of life. However, the inherent complexity of HCN's self-reaction chemistry has challenged researchers for decades, obscuring the detailed mechan…
openalex
Marco Cappelletti, Martin Rahm
2026-01-21
置信度 0.72
ChemistryHydrogen cyanideNucleobaseQuantum chemistryOxidizing agent
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“Sino-forming” is a neologism that has been deployed to raise the specter of a world remade in the image of China. Here we reinscribe the term—without leaving behind the geopolitical anxieties it connotes—to analyze China’s unprecedented ecological engineering…
openalex
Annah Lake Zhu, George Zhu
2026-05-06
置信度 0.72
The ImaginaryPlanetAstrobiologyEcological engineeringEcology
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Aramid fiber is a high-performance fiber with excellent mechanical properties, heat resistance, and corrosion resistance. Its exceptional shear and fatigue properties make it a promising material for civil engineering applications. This study summarizes the ba…
openalex
Anni Wang, Runping Lan, Q Chen, Weichen Kong 等
2026-04-30
置信度 0.72
AramidMaterials scienceComposite materialRetrofittingComposite number
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The article examines the concept of "competitiveness".Based on the analysis of indicators of disability in the regions of the North, it was determined that disability as a social phenomenon is inherent in all northern regions.The main economic aspect of disabi…
openalex
N.A. Fedoseeva, E.N. Zakabunina
2024-12-12
置信度 0.72
ProductivityAgricultural scienceComputer scienceBusinessEnvironmental science
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Abstract The Ilkurlka structure is an ~12 km diameter buried circular aeromagnetic anomaly within the Officer Basin in Western Australia. Prior studies postulated a range of origins, including meteorite impact. We report the presence of pervasive deformation i…
openalex
Raiza R. Quintero, Aaron J. Cavosie, Sanna Holm‐Alwmark, Peter Haines 等
2023-11-29
置信度 0.72
GeologyQuartzImpact structurePopulationPermian
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We present a physics-based framework that runs from fundamental interactions and constants to biospheres, using a sequence of quantitative nonequilibrium thresholds (“gates”). Each gate is an inequality in measurable variables-free-energy flux, reaction-transp…
openalex
Slava G. Turyshev
2026-05-08
置信度 0.72
BiosphereStatistical physicsPhysicsNon-equilibrium thermodynamicsDimensionless quantity
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Lunar regolith—long regarded as an inert surface covering—has emerged in 2026 as the most strategically contested substrate in history. This paper examines three interlocking dimensions of the cislunar resource race: the severe mechanical and thermal engineeri…
openalex
Darrin L. Frye
2026-01-01
置信度 0.72
GeopoliticsResource (disambiguation)Race (biology)DilemmaPolitical science
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High Resolution Image Download MS PowerPoint Slide Boron is an exotic element in space. However, although no boron-bearing molecules have yet been identified in the interstellar medium (ISM), its unique chemical properties suggest that it could play a pivotal …
openalex
Cinthya K. Prieto-García, Heidy M. Quitián-Lara, Josep M. Masqué, Felipe Fantuzzi 等
2025-07-15
置信度 0.72
BoronGas phaseCarbon fibersBearing (navigation)Phase (matter)
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The adsorption of HCN at the surface of low-density amorphous (LDA) ice and its dissolution in the bulk LDA phase is studied by grand canonical Monte Carlo (GCMC) simulations at the temperatures of 50, 100, and 200 K, characteristic of different domains of the…
openalex
Helga Tóth Ugyonka, György Hantal, Milán Szöri, Pál Jedlovszky
2024-03-12
置信度 0.72
AdsorptionMonolayerAmorphous iceMoleculeChemistry
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With the continued expansion of global resource development and scientific exploration, engineering construction in extreme environments requires material systems with environmental resilience and multifunctional protective capacity. Mycelium-based composites …
openalex
Sheng Li, Yidong Gan, Fangyuan Zhou, Cheng Zhou 等
2026-08-01
置信度 0.72
Extraterrestrial lifeResilience (materials science)Extreme environmentPermafrostEnvironmental science
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The paper examines possible mechanisms for trade union engagement in global value chains, especially in the context of emerging human rights due diligence frameworks. By examining existing literature on value chain analysis, trade policy, and governance mechan…
openalex
Rohan Dominic Mathews
2024-01-01
置信度 0.72
Value (mathematics)Corporate governanceBusinessEconomicsInternational economics
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ABSTRACT The meteoritical community widely assumes that the probability of finding two meteorites from different falls laying in close proximity is negligible. However, recent studies have suggested that spatiotemporal coincidences may be critical when associa…
openalex
Pau Grèbol-Tomàs, Eloy Peña‐Asensio, J. M. Trigo‐Rodríguez, Jordi Ibáñez
2025-08-08
置信度 0.72
MeteoritePhysicsCoincidenceAstrophysicsAstrobiology
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We introduce three new synthetic basalt reference materials and a new high‐precision set‐up for stable carbon isotope measurement in basaltic glasses using a large‐geometry secondary ion mass spectrometry (SIMS) instrument. The new reference materials, charact…
openalex
Joshua Shea, Ery Hughes, Robert Balzer, Ilya N. Bindeman 等
2025-06-01
置信度 0.72
BasaltMass spectrometryIsotopeIonStable isotope ratio
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This short review provides an overview of the bioinorganic chemistry of molybdenum and tungsten, offering insights into current research perspectives and fundamental concepts in the field, as well as gaps in our knowledge. It is designed to highlight areas whe…
openalex
Helder M. Marques
2025-07-01
置信度 0.72
MolybdenumTungstenMaterials scienceMetallurgy
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Abstract The Holocene Luna Structure in western India has been claimed to be the fourth and youngest impact crater on the Indian subcontinent. The circular shape; the unusual mineralogy including high‐temperature mineral phases such as kirschsteinite and wüsti…
openalex
Ajay Dev Asokan, Yogita Kadlag, Y. Srivastava, Khirod Kumar Das 等
2026-01-29
置信度 0.72
GeologyMeteoriteRadiogenic nuclideMineralGeochemistry
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High Resolution Image Download MS PowerPoint Slide Ice grains emitted by the Saturnian moon Enceladus were sampled by Cassini’s Cosmic Dust Analyser (CDA) using impact ionization mass spectrometry. CDA revealed that Enceladus hosts a rich organic and inorganic…
openalex
Thomas R. O’Sullivan, Partha P. Bera, Nozair Khawaja, Maryse Napoleoni 等
2026-03-12
置信度 0.72
ChemistryDissociation (chemistry)Mass spectrometryIonizationFragmentation (computing)
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Ecosystem restoration in severely degraded or soil-absent environments requires approaches that operate independently of natural soils and make effective use of locally available resources. The Biorestorer platform introduces synthetic succession as a systems-…
openalex
Jan Chvojka
2026-05-22
置信度 0.72
Ecological successionEcosystemSubstrate (aquarium)Vegetation (pathology)Environmental science
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Τhe present diploma thesis examines the prospects and challenges of metal mining on Mars, with emphasis on the technological and economic implications of this activity.The extraction of extraterrestrial resources constitutes one of the most ambitious undertaki…
openalex
Δίβαρη, Χριστίνα Σ., Δίβαρη, Χριστίνα Σ.
2025-01-01
置信度 0.72
Process (computing)Identification (biology)Computer scienceProduct (mathematics)Work (physics)
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Gaussians On Surface Tesserae Simulate HYdrostatic Pressure (GOSTSHYP) and the eXtended Hydrostatic Compression Force Field (X-HCFF) are quantum chemical methods to simulate the effects of pressure on a single molecule. Both methods have the usage of discretiz…
openalex
Nico Kißing, Felix Zeller, Tim Neudecker
2026-05-26
置信度 0.72
SolvationHydrostatic pressureChemistryPolarizabilityForce field (fiction)
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Complexity has emerged as a global phenomenon with significant implications for the organization and structure of any system. In recent decades, the space system has undergone a transition to a more complex configuration. This essay argues that the increasing …
openalex
Francisco Del Canto Viterale
2025-05-29
置信度 0.72
Sociotechnical systemSpace (punctuation)Computer scienceSociologySystems engineering
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Astronomy is probably the oldest science of mankind and thus older than writing. With the development of exact natural sciences, various astronomical sciences such as astrochemistry, astrobiology and some more have developed. The current rapid development of s…
openalex
Karsten Strey
2026-01-20
置信度 0.72
AstrobiologyExtraterrestrial lifeNatural (archaeology)Space ScienceNatural science
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This thesis investigates the timing and source(s) of water and volatile elements to the inner solar system by studying the basaltic meteorites angrites and eucrites. In chapters 2 and 3, I present the results from angrite meteorites. Chapter 2 examines the wat…
openalex
Adam Sarafian
2018-01-01
置信度 0.72
PlanetAccretion (finance)InstitutionElement (criminal law)Degree (music)
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Abstract Real‐world environments are dynamic, variable, and often unpredictable, where temperature, pressure, and chemical composition fluctuate beyond designed limits. Such complexity challenges materials to maintain reliable behavior under coupled physical a…
openalex
Bo Yuan, Huaitong Song, Kaiyuan Xiang, S H Tang 等
2026-01-14
置信度 0.72
AdaptabilityScalabilityMaterials scienceNanotechnologyLiquid metal
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Book reviewed in this article: Fault‐Related Rocks: A Photographic Atlas edited by A. W. Snoke, J. Tullis, and V. R. Todd. The Search for Life on Other Planets by Bruce Jakosky. The Search for Extraterrestrial Life: Essays on Science and Technology edited by P…
openalex
1999-07-01
置信度 0.72
PlutoSternPlanetArt historyAstrobiology
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• JKHFmini demonstrates reproducible overall copper recovery with gangue rejection. • Copper recovery increases with airflow but plateaus at elevated air rates. • Excessive water flow promotes gangue elutriation. • JKHFmini reasonably predicts true flotation i…
crossref
Bellson Awatey, Isabella Verster, Kym Runge
2025-10-23T19:20:29Z
置信度 0.70
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During the magmatic stage, base and rarer metals segregate from silicate melts to form ore deposits. The usual case is the porphyry (PD) type (Cu, Mo, and W) above subduction zones. The metal grade increases from some ppb or ppm up to percent levels. A new typ…
crossref
Jean-Louis Vigneresse
2026-01-30T11:09:22Z
置信度 0.70
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Increasing constraints related to water consumption and operational complexity have intensified interest in dry coal beneficiation as an alternative to conventional wet cleaning, particularly for low-calorific coals used in thermal power plants. In this study,…
crossref
Uğur Tekir
2026-02-09T09:41:02Z
置信度 0.70
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Bolun Zhang, Ming Zhang, Wei Yao
2026-03-25T07:16:40Z
置信度 0.70
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Juanping Qu, Saija Luukkanen, He Wan
2026-06-08T22:53:00Z
置信度 0.70
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Seaver Wang
2026-03-31T11:34:37Z
置信度 0.70
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Cake filtration is increasingly applied in tailings management to achieve high solids contents for backfill preparation, dry stacking, and co-disposal with waste rock; however, the combined effects of initial solids content and flocculant dosage on filtration …
crossref
Yuan Li, Isaac Bradley Peterson, Anthony Chavez Molina, Travis Bach
2026-06-09T15:16:47Z
置信度 0.70
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Raba’atun Adawiyah Shamsuddin, Abdul Mukmin Abdul Yakup, M. Devendran Manogaran
2026-08-18T07:28:40Z
置信度 0.70
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Wei Che, Richard Lee, Yongjun Peng
2026-05-21T09:54:09Z
置信度 0.70
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Ruirui Zhang, Wengang Liu, Shuaichao Wang
2026-04-09T06:38:52Z
置信度 0.70
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Yixin Wang, Runhui Geng, Ruile Li, Han Gong 等
2025-10-24T10:19:48Z
置信度 0.70
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The JKHFmini is a semi-batch-operated, small-scale fluidised bed flotation device that overpredicts mass recovery compared to full-scale HydroFloat® units. This study examines the underlying causes by quantifying the influence of operating variables on gangue …
crossref
Bellson Awatey, Isabella Verster, Kym Runge
2026-07-24T04:17:59Z
置信度 0.70
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crossref
Qiantao Xie, Alireza Baghban
2026-05-16T07:11:58Z
置信度 0.70
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Kaveh Asgari, Qingqing Huang, Rick Honaker
2026-05-09T20:03:26Z
置信度 0.70
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Abstract In this paper we report the discovery, in the Gilf Kebir Plateau of southwest Egypt, of the first natural occurrence of Diamond‐Like‐Carbon, of microdiamonds, and new ultra‐high T (≥1300°C) silicates, phosphates in boulders and pebbles of a mullite an…
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Marco A. G. Andreoli, Rudolph Erasmus, Jasper Knight, Vittoria Pischedda 等
2026-08-17T10:44:11Z
置信度 0.70
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Sunil Mehla, Amrit Raj Paul, Selvakannan Periasamy, Suresh K. Bhargava
2026-04-08T22:57:59Z
置信度 0.70
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Automated mineral and extraterrestrial body identification, including asteroids and meteorites, is crucial for geology, planetary science, and resource management developments. The project here provides a deep learning system for the classification of a hetero…
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Parikshith Sivakumar, B U Naveen Raj, Jyotsna Chandrasekharan, Ullas S.
2026-05-05T20:00:49Z
置信度 0.70
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Utkarsh Akhouri
2026-03-16T06:14:32Z
置信度 0.70
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Gracelin Baskaran
2026-03-31T11:34:37Z
置信度 0.70
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This paper presents an analysis of the results of the gold enrichment process from a gravel deposit using a technological installation equipped with a separator with an adhesive coating. In the separation process, natural waxy substances (patented by Andrzej C…
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Dariusz Foszcz, Adam Piestrzyński, Andrzej Ciechulski
2026-02-26T13:58:03Z
置信度 0.70
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crossref
A. Major, A.R. Chakhmouradian
2026-08-25T19:15:06Z
置信度 0.70
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Rui Sun, Neng Wei, Xianqiang Wang, Liang Si 等
2026-07-11T16:04:27Z
置信度 0.70
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crossref
2026-02-22T14:51:28Z
置信度 0.70
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Granitic rocks dominate Earth’s continental crust, yet the Hadean record is severely limited. Extraterrestrial evolved lithologies, crystallized under predominantly anhydrous, plate tectonics-free conditions analogous to those of early Earth, provide valuable …
crossref
Sheng Shang
2026-03-23T11:59:36Z
置信度 0.70
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Rod Eggert
2026-02-21T23:07:14Z
置信度 0.70
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A sobering investigation of the rush for lithium for electric vehicles, the problematic history of lithium mining, and the consequences for sustainability. Consumers today are buying electric vehicles with lithium-ion batteries motivated by the belief that the…
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Javiera Barandiarán
2026-01-14T03:07:42Z
置信度 0.70
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Pablo Orosco, Oriana Barrios, Lucía Barbosa
2026-07-30T07:49:34Z
置信度 0.70
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Ş.Beste Aydın, Esra Baştürkcü, Alim Gül, Emin Çiftçi
2026-07-06T13:32:41Z
置信度 0.70
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Grootfonteinite, Pb3O(CO3)2, is a colorless lead oxycarbonate with a white streak and adamantine luster (fig. 1). Its Mohs hardness is 2 and its specific gravity is calculated at 6.856. Grootfontei...
crossref
Bruce Cairncross
2026-03-27T13:38:07Z
置信度 0.70
-
crossref
Jim Austin
2026-02-23T14:01:23Z
置信度 0.70
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David Landry
2026-03-11T23:00:31Z
置信度 0.70
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crossref
Debra l. Wilson
2026-08-18T16:28:11Z
置信度 0.70
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Lindela Matiti, Godwell Pahla, Nomampondo Magwa
2026-06-06T21:56:52Z
置信度 0.70
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Abderrahmane Bettache, Salah-Eddine Bendimerad, Wafa Krika, Abdelghani Ayad
2025-12-29T17:01:17Z
置信度 0.70
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All photographs by the authorFigure 1. Red, white, and blue corundum. From left: ruby, 4.02 carats; white sapphire, 6.17 carats; blue sapphire, 3.14 carats. Ruby and blue sapphire from Myanmar; col...
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Mark Mauthner
2025-12-10T17:37:54Z
置信度 0.70
-
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Svetlana Novikova
2026-03-16T06:14:32Z
置信度 0.70
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随着深空探测与地外文明搜寻(SETI)进入新阶段,恒星耀发与类地行星宜居性的交叉研究已成为天体物理与天体生物学的前沿课题。恒星耀发是恒星磁活动最为剧烈的爆发性现象,涉及非热粒子加速、磁能释放及多波段辐射,对理解恒星磁发电机制及其演化具有关键价值。然而,$0.1$–$30\ \mathrm{MHz}$ 的极低频射电波段长期缺乏系统监测,严重限制了对耀发中非热粒子加速及磁重联早期过程的研究。与此同时,SETI 射电信号搜寻亦受地面电磁干扰和频段覆盖不足的制约,亟需具备长期、洁净观测环境的设施。在此背景下,“鸿蒙计划”旨…
crossref
Xunzhou Chen, Zhenzhao Tao, Yunfan Zhou, Haoran Chen 等
2026-04-02T09:36:07Z
置信度 0.70
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Although several laboratory- to semi-pilot-scale reactor–separator flotation units have recently been developed and manufactured by leading companies, substantial gaps remain in the understanding of their scale-up procedures. To this end, the current study ide…
crossref
Ahmad Hassanzadeh, Duong Huu Hoang
2026-07-14T02:34:44Z
置信度 0.70
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ABSTRACT Extraterrestrial water resources are critical strategic assets for the establishment of off‐earth bases and long‐term deep space exploration. Based on a systematic review of water resource types and characteristics in space stations and lunar and Mart…
crossref
Yawen Jiang, Yuan Zhao, Lin Zu, Lili Ling 等
2026-07-07T04:55:57Z
置信度 0.70
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crossref
D. A. Chareev, A. V. Tyurin, N. A. Polotnyanko, N. S. Uporova
2026-07-06T12:45:32Z
置信度 0.70
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crossref
Takao Ueda
2025-11-08T13:26:33Z
置信度 0.70
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Huali Zhang, Yanlin Chen, Lei Yu, Huan Liang
2025-12-16T21:00:39Z
置信度 0.70
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The Damiao titanomagnetite deposit on the northern margin of the North China Craton is a typical Fe-Ti-P polymetallic ore with significant deep resource potential. However, the mineralogical factors controlling its beneficiation remain poorly quantified. This …
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Mingshan Fang, Qinwang Dang, Minyan Wang
2026-08-10T10:23:50Z
置信度 0.70
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Stolzite is an attractive lead tungstate mineral that is significantly rarer than its close relative wulfenite, the official Arizona state mineral. Many years ago, unusually large crystals of stolz...
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Ron Gibbs, Raymond Grant, Dana Slaughter
2026-04-21T16:02:41Z
置信度 0.70
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Tingbo Zhou, Yongsheng Sun, Yuexin Han, Yanjun Li
2026-06-13T01:30:46Z
置信度 0.70
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Zouhir Balagh, Yassine Ait-khouia, Mostafa Benzaazoua, Yassine Taha
2026-06-24T04:41:16Z
置信度 0.70
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Kipushite, (Cu,Zn)5Zn(PO4)2(OH)6·H2O, a copper-zinc hydrated phosphate, was described by Piret, Deliens. and Piret-Meunier (1985). It is monoclinic and forms small (less than a few millimeters), tr...
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Bruce Cairncross
2026-04-21T16:02:41Z
置信度 0.70
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• Large industrial scale wet screen performance is predicted using coupled DEM-SPH. • The screen cloth has around 30,000 apertures which are well resolved in the model. • Predicted slurry draining distance matches plant observations. • Discharge flow rate and …
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Paul W. Cleary, Matthew D. Sinnott
2025-10-08T01:11:35Z
置信度 0.70
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Claudio Leiva, Diego Poblete, José Humire, Claudio Acuña
2026-04-20T13:23:42Z
置信度 0.70
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Meirong Wu, Jiexiang Li, Wei Sun, Yue Yang
2026-07-01T07:51:22Z
置信度 0.70
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Effective frother dosing in flotation circuits is challenging due to varying process water chemistry, frother volatility, and partitioning effects that create unknown background frother potential. This study presents a dilution-curve methodology to quantify fr…
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Mark R. Lepage, Nina Morenon, Jeff Opoku, Kristian E. Waters
2026-07-28T20:42:28Z
置信度 0.70
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Bahram Behnajady, Saeid Karimi, Hana Hoseinpour
2026-02-19T20:45:39Z
置信度 0.70
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Khaled Al-Raeeini, Murtada Saleh Aljawad, Abduljamiu Olalekan Amao, Muhammad Zaka Emad 等
2026-05-25T19:35:41Z
置信度 0.70
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Gayathri Chandran, Sindhe Ashish, Aswathy Ajayan S, Thirumalini Selvaraj
2025-10-21T07:22:01Z
置信度 0.70