-
Recent discoveries of water-rich lunar apatite are more consistent with the hydrous magmas of Earth than the otherwise volatile-depleted rocks of the Moon. Paradoxically, this requires H-rich minerals to form in rocks that are otherwise nearly anhydrous. We mo…
pubmed
Boyce JW, Tomlinson SM, McCubbin FM, Greenwood JP 等
2014 Apr 25
置信度 0.82
-
Subseafloor environments preserved in Archean greenstone belts provide an analogue for investigating potential subsurface habitats on Mars. The c. 3.5-3.4 Ga pillow lava metabasalts of the mid-Archean Barberton greenstone belt, South Africa, have been argued t…
pubmed
Grosch EG, McLoughlin N, Lanari P, Erambert M 等
2014 Mar
置信度 0.82
-
We report the first observation of indigenous carbonaceous matter in the martian meteorite Yamato 000593. The carbonaceous phases are heterogeneously distributed within secondary iddingsite alteration veins and present in a range of morphologies including area…
pubmed
White LM, Gibson EK, Thomas-Keprta KL, Clemett SJ 等
2014 Feb
置信度 0.82
-
Future astrobiological missions to Mars are likely to emphasize the use of rovers with in situ petrologic capabilities for selecting the best samples at a site for in situ analysis with onboard lab instruments or for caching for potential return to Earth. Such…
pubmed
Núñez JI, Farmer JD, Sellar RG, Swayze GA 等
2014 Feb
置信度 0.82
-
Bone loss, a key concern for long-duration space travelers, is typically considered a female issue. The number of women who have flown long-duration space missions is now great enough to allow a quantitative comparison of changes in bone and renal stone risk b…
pubmed
Smith SM, Zwart SR, Heer M, Hudson EK 等
2014 Jul
置信度 0.82
-
Opportunity has investigated in detail rocks on the rim of the Noachian age Endeavour crater, where orbital spectral reflectance signatures indicate the presence of Fe(+3)-rich smectites. The signatures are associated with fine-grained, layered rocks containin…
pubmed
Arvidson RE, Squyres SW, Bell JF 3rd, Catalano JG 等
2014 Jan 24
置信度 0.82
-
Iron (oxyhydr)oxide microbial mats in modern to ∼100 ka tufa terraces are present in a cold spring system along Ten Mile Graben, southeastern Utah, USA. Mats exhibit morphological, chemical, and textural biosignatures and show diagenetic changes …
pubmed
Potter-McIntyre SL, Chan MA, McPherson BJ
2014 Jan
置信度 0.82
-
Sedimentary rocks examined by the Curiosity rover at Yellowknife Bay, Mars, were derived from sources that evolved from an approximately average martian crustal composition to one influenced by alkaline basalts. No evidence of chemical weathering is preserved,…
pubmed
McLennan SM, Anderson RB, Bell JF 3rd, Bridges JC 等
2014 Jan 24
置信度 0.82
-
Sedimentary rocks at Yellowknife Bay (Gale crater) on Mars include mudstone sampled by the Curiosity rover. The samples, John Klein and Cumberland, contain detrital basaltic minerals, calcium sulfates, iron oxide or hydroxides, iron sulfides, amorphous materia…
pubmed
Vaniman DT, Bish DL, Ming DW, Bristow TF 等
2014 Jan 24
置信度 0.82
-
Fumaroles represent a very important potential habitat on Mars because they contain water and nutrients. Global deposition of volcanic sulfate aerosols may also have been an important soil-forming process affecting large areas of Mars. Here we identify alterat…
pubmed
Hausrath EM, Tschauner O
2013 Nov
置信度 0.82
-
The existence of water in extrasolar planetary systems is of great interest because it constrains the potential for habitable planets and life. We have identified a circumstellar disk that resulted from the destruction of a water-rich and rocky extrasolar mino…
pubmed
Farihi J, Gänsicke BT, Koester D
2013 Oct 11
置信度 0.82
-
Raman spectrometers are being miniaturized for future life-detection missions on Mars. Field-portable Raman spectrometers, which have similar spectral parameters to the instruments being developed for Mars rovers, have been used to examine extant biosignatures…
pubmed
Olcott Marshall A, Marshall CP
2013 Sep
置信度 0.82
-
We have carried out a systematic study of abiotic precipitation at different temperatures of several Mg and Ca carbonates (calcite, nesquehonite, hydrocalcite) present in carbonaceous chondrites. This study highlights the capability of Raman spectroscopy as a …
pubmed
Bonales LJ, Muñoz-Iglesias V, Santamaría-Pérez D, Caceres M 等
2013 Dec
置信度 0.82
-
We have detected a concentration of boron in martian clay far in excess of that in any previously reported extra-terrestrial object. This enrichment indicates that the chemistry necessary for the formation of ribose, a key component of RNA, could have existed …
pubmed
Stephenson JD, Hallis LJ, Nagashima K, Freeland SJ
2013
置信度 0.82
-
It has been hypothesized that before the emergence of modern DNA-RNA-protein life, biology evolved from an "RNA world." However, synthesizing RNA and other organophosphates under plausible early Earth conditions has proved difficult, with the incorporation of …
pubmed
Pasek MA, Harnmeijer JP, Buick R, Gull M 等
2013 Jun 18
置信度 0.82
-
Molten oxide electrolysis (MOE) is an electrometallurgical technique that enables the direct production of metal in the liquid state from oxide feedstock, and compared with traditional methods of extractive metallurgy offers both a substantial simplification o…
pubmed
Allanore A, Yin L, Sadoway DR
2013 May 16
置信度 0.82
-
High-pressure minerals in meteorites provide clues for the impact processes that excavated, launched and delivered these samples to Earth. Most Martian meteorites are suggested to have been excavated from 3 to 7 km diameter impact craters. Here we show that th…
pubmed
Baziotis IP, Liu Y, DeCarli PS, Melosh HJ 等
2013
置信度 0.82
MeteoriteMartianImpact craterRingwooditeShock metamorphism
-
Oxygen triple isotope compositions give key information for understanding physical processes during isotopic fractionation between the geo-, hydro-, bio-, and atmosphere. For detailed discussion of these topics, it is necessary to determine precise (17)O-exces…
pubmed
Tanaka R, Nakamura E
2013 Jan 30
置信度 0.82
-
Raman spectroscopy is being adopted as a nondestructive instrumentation for the robotic exploration of Mars to search for traces of life in the geological record. Here, miniaturized Raman spectrometers of two different types equipped with 532 and 785 nm…
pubmed
Vítek P, Jehlička J, Edwards HG, Hutchinson I 等
2012 Dec
置信度 0.82
-
The molecular specificity of Raman spectroscopy provides a powerful tool for the analytical interrogation of mineralogical and many biological specimens. The Raman Laser Spectrometer (RLS) is a compact Raman spectrometer under development for deployment on the…
pubmed
Edwards HG, Hutchinson I, Ingley R
2012 Oct
置信度 0.82
-
pubmed
Lambert JF, Sodupe M, Ugliengo P
2012 Aug 21
置信度 0.82
-
The astrobiological significance of certain environment types on Mars strongly depends on the temperature, duration, and chemistry of liquid water that was present there in the past. Recent works have focused on the identification of signs of ancient water on …
pubmed
Kereszturi A
2012 Jun
置信度 0.82
-
Orbital and in situ analyses establish that aerially extensive deposits of evaporitic sulfates, including gypsum, are present on the surface of Mars. Although comparable gypsiferous sediments on Earth have been largely ignored by paleontologists, we here repor…
pubmed
Schopf JW, Farmer JD, Foster IS, Kudryavtsev AB 等
2012 Jul
置信度 0.82
-
The search for organic molecules at the surface of Mars is a top priority of the next Mars exploration space missions: Mars Science Laboratory (NASA) and ExoMars (ESA). The detection of organic matter could provide information about the presence of a prebiotic…
pubmed
Noblet A, Stalport F, Guan YY, Poch O 等
2012 May
置信度 0.82
-
The source and nature of carbon on Mars have been a subject of intense speculation. We report the results of confocal Raman imaging spectroscopy on 11 martian meteorites, spanning about 4.2 billion years of martian history. Ten of the meteorites contain abioti…
pubmed
Steele A, McCubbin FM, Fries M, Kater L 等
2012 Jul 13
置信度 0.82
-
The rover Opportunity has investigated the rim of Endeavour Crater, a large ancient impact crater on Mars. Basaltic breccias produced by the impact form the rim deposits, with stratigraphy similar to that observed at similar-sized craters on Earth. Highly loca…
pubmed
Squyres SW, Arvidson RE, Bell JF 3rd, Calef F 3rd 等
2012 May 4
置信度 0.82
-
The present investigation uncovers various pieces of evidence for the possible biologically induced mineralization in iron mats associated with a pH-neutral spring in the Borra caves, Vishakhapatnam, India. Electron microscopy [scanning electron microscopy (SE…
pubmed
Baskar S, Baskar R, Thorseth IH, Ovreås L 等
2012 Apr
置信度 0.82
-
We report on the use of a portable instrument for microbial detection in the Mojave Desert soil and the potential for its use on Mars. The instrument is based on native fluorescence and employs four excitation wavelengths combined with four emission wavelength…
pubmed
Smith HD, Duncan AG, Neary PL, Lloyd CR 等
2012 Mar
置信度 0.82
-
Buckminsterfullerene (C(60)) was recently confirmed as the largest molecule identified in space. However, it remains unclear how and where this molecule is formed. It is generally believed that C(60) is formed from the buildup of small carbonaceous compounds i…
pubmed
Berné O, Tielens AG
2012 Jan 10
置信度 0.82
-
The boundary between ice and basalt on Earth is an analogue for some near-surface environments of Mars. We investigated neutrophilic iron-oxidizing microorganisms from the basalt-ice interface in a lava tube from the Oregon Cascades with perennial ice. One of …
pubmed
Popa R, Smith AR, Popa R, Boone J 等
2012 Jan
置信度 0.82
-
Cosmochemistry is the chemical analysis of extraterrestrial materials. This term generally is taken to mean laboratory analysis, which is the cosmochemistry gold standard because of the ability for repeated analysis under highly controlled conditions using the…
pubmed
MacPherson GJ, Thiemens MH, G. J. MacPherson, M. H. Thiemens
2011 Nov 29
置信度 0.82
CosmochemistryAstrobiologyExtraterrestrial lifeMeteoriteInstrumentation (computer programming)
-
Primitive meteorites, interplanetary dust particles, and comets contain dust grains that formed around stars that lived their lives before the solar system formed. These remarkable objects have been intensively studied since their discovery a little over twent…
pubmed
Davis AM
2011 Nov 29
置信度 0.82
-
Through the laboratory study of ancient solar system materials such as meteorites and comet dust, we can recognize evidence for the same star-formation processes in our own solar system as those that we can observe now through telescopes in nearby star-forming…
pubmed
MacPherson GJ, Boss A
2011 Nov 29
置信度 0.82
-
NASA's EPOXI mission observed the disc-integrated Earth and Moon to test techniques for reconnoitering extrasolar terrestrial planets, using the Deep Impact flyby spacecraft to observe Earth at the beginning and end of Northern Hemisphere spring, 2008, from a …
pubmed
Livengood TA, Deming LD, A'hearn MF, Charbonneau D 等
2011 Nov
置信度 0.82
-
Clay minerals, recently discovered to be widespread in Mars's Noachian terrains, indicate long-duration interaction between water and rock over 3.7 billion years ago. Analysis of how they formed should indicate what environmental conditions prevailed on early …
pubmed
Ehlmann BL, Mustard JF, Murchie SL, Bibring JP 等
2011 Nov 2
置信度 0.82
-
The recent geomicrobiological characterization of Río Tinto, Iberian Pyrite Belt (IPB), has proven the importance of the iron cycle, not only in generating the extreme conditions of the habitat (low pH, high concentration of toxic heavy metals) but also i…
pubmed
Amils R, González-Toril E, Aguilera A, Rodríguez N 等
2011
置信度 0.82
-
A laser ablation-miniature mass spectrometer (LA-MMS) for the chemical and isotopic measurement of rocks and minerals is described. In the LA-MMS method, neutral atoms ablated by a pulsed laser are led into an electron impact ionization source, where they are …
pubmed
Sinha MP, Neidholdt EL, Hurowitz J, Sturhahn W 等
2011 Sep
置信度 0.82
-
Metabolic effects of physical countermeasures against deficient weight-loading were studied in three groups of 21-30 y.o. volunteers for 7-d dry immersion. Blood serum was investigated for 38 biochemical parameters that characterize myocardium, skeletal muscul…
pubmed
Markin AA, Zhuravleva OA, Morukov BV, Zabolotskaia IV 等
2011 Jul-Aug
置信度 0.82
-
Laboratory studies of meteorites and robotic exploration of Mars reveal scant atmosphere, no evidence of plate tectonics, past evidence for abundant water, and a protracted igneous evolution. Despite indirect hints, direct evidence of a martian origin came wit…
pubmed
McCoy TJ, Corrigan CM, Herd CD
2011 Nov 29
置信度 0.82
-
Raman spectroscopy was tested for the identification of biomolecules (glycine, L-alanine, β-alanine, L-serine, and γ-aminobutyric acid) trapped in fluid inclusions inside halite model crystals. The investigated biomolecules represent important targ…
pubmed
Osterrothová K, Jehlička J
2011 Dec
置信度 0.82
-
The release and oxidation of ferrous iron during aqueous alteration of the mineral olivine is known to reduce aqueous solutions to such extent that molecular hydrogen, H2, forms. H2 is an efficient energy carrier and is considered basal to the deep subsurface …
pubmed
Hellevang H, Huang S, Thorseth IH, Helge Hellevang 等
2011 Sep
置信度 0.82
BiosphereAstrobiologyAbiotic componentHydrogenEnvironmental science
-
pubmed
Kerr RA
2011 Jul 29
置信度 0.82
-
We report on a search for coherent elastic neutrino--nucleus scattering (CE$ν$NS) using cryogenic sapphire (Al$_2$O$_3$) detectors deployed at the Mitchell Institute Neutrino Experiment at Reactor (MINER), located near the 1~MW$_\text{th}$ TRIGA research react…
arxiv
D. Mondal, W. Baker, M. Chaudhuri, J. B. Dent 等
2025-10-14T09:18:38Z
置信度 0.78
nucl-exhep-exnucl-thphysics.ins-det
-
The world-changing blockchain technique provides a novel method to establish a secure, trusted and decentralized system for solving the security and personal privacy problems in Industrial Internet of Things (IIoT) applications. The mining process in blockchai…
arxiv
Xingjian Ding, Jianxiong Guo, Deying Li, Weili Wu
2020-03-23T21:57:22Z
置信度 0.78
cs.CR
-
Coral reefs, crucial for sustaining marine biodiversity and ecological processes (e.g., nutrient cycling, habitat provision), face escalating threats, underscoring the need for efficient monitoring. Coral reef ecological monitoring faces dual challenges of low…
arxiv
Mingzhuang Wang, Yvyang Li, Xiyang Zhang, Fei Tan 等
2025-05-28T11:36:18Z
置信度 0.78
cs.CVq-bio.QM
-
In this paper we present a new 3D segmentation approach for the vertebrae of the lower thoracic and the lumbar spine in spiral computed tomography datasets. We implemented a multi-step procedure. Its main components are deformable models, volume growing, and m…
arxiv
Andre Mastmeyer, Klaus Engelke, Sebastian Meller, Willi Kalender
2017-05-19T18:59:05Z
置信度 0.78
cs.CV
-
We investigate the electronic and magnetic properties of the kagome mineral averievite (CsCl)Cu$_5$V$_2$O$_{10}$ and its phosphate analog (CsCl)Cu$_5$P$_2$O$_{10}$ using first-principles calculations. The crystal structure of these compounds features Cu$^{2+}$…
arxiv
Dibyendu Dey, Antia S. Botana
2020-08-11T19:06:20Z
置信度 0.78
cond-mat.mtrl-scicond-mat.str-el
-
Mineral dissolution in porous media is classically partitioned into static regimes within the Pe-Da plane, but this framework fails to capture the dissolution behavior of structurally complex rocks. Using three-dimensional micro-continuum simulations on micro-…
arxiv
Jinlei Wang, Yongfei Yang, Martin J. Blunt, Branko Bijeljic
2026-05-18T11:08:44Z
置信度 0.78
physics.flu-dyn
-
Predicting the geometrical evolution of the pore space in geological formations due to fluid-solid interactions has applications in reservoir engineering, oil recovery, and geological storage of carbon dioxide. However, modeling frameworks that combine fluid f…
arxiv
David A. Lazo Vasquez, Jaione Tirapu Azpiroz, Rodrigo Neumann Barros Ferreira, Ronaldo Giro 等
2024-07-05T03:45:52Z
置信度 0.78
physics.app-phphysics.flu-dyn
-
This Systematization of Knowledge (SoK) provides a comprehensive historical analysis of Maximal Extractable Value (MEV) in blockchain systems, tracing its conceptual evolution through three distinct eras. We organize the fragmented literature on MEV into a uni…
arxiv
Davide Mancino, Hasret Ozan Sevim
2026-03-08T16:37:41Z
置信度 0.78
cs.CR
-
PF708 teriparatide, manufactured by Alvogen, was approved through the 505(B)(2) application after the expiration of Forteo market exclusivity in October 2019. The 505(B)(2) application allows safety and efficacy information to come from studies not conducted b…
arxiv
Cassandra Crompton, Kassidy Baum, Michael Silvey, Mona Al Mukaddam
2025-09-15T00:06:36Z
置信度 0.78
q-bio.OT
-
Using a custom 3 Čerenkov-ring fitter, we report cross sections for $ν_μ$-induced charged-current single $π^0$ production on mineral oil (\chtwo) from a sample of 5810 candidate events with 57% signal purity over an energy range of $0.5-2.0$GeV. This includes …
arxiv
A. A. Aguilar-Arevalo, C. E. Anderson, A. O. Bazarko, S. J. Brice 等
2010-10-15T20:11:21Z
置信度 0.78
hep-exnucl-ex
-
Cryptocurrencies, arguably the most prominent application of blockchains, have been on the rise with a wide mainstream acceptance. A central concept in cryptocurrencies is "mining pools", groups of cooperating cryptocurrency miners who agree to share block rew…
arxiv
Ayodeji Adeniran, David Mohaisen
2022-10-19T12:35:20Z
置信度 0.78
cs.CRcs.CY
-
Several types of networks that comprise unmanned aerial vehicles (UAV or drone) are being utilized in important applications such as emergency response, environment and infrastructure monitoring, defense and security, and commerce. In such networks, swarms of …
arxiv
Khaleel Mershad
2022-06-14T07:57:31Z
置信度 0.78
cs.CRcs.NI
-
In recent years, multimodal large language models (MLLMs) have significantly advanced, integrating more modalities into diverse applications. However, the lack of explainability remains a major barrier to their use in scenarios requiring decision transparency.…
arxiv
Kaichen Huang, Jiahao Huo, Yibo Yan, Kun Wang 等
2024-10-07T08:13:16Z
置信度 0.78
cs.CL
-
We present the results of semi-inclusive neutrino-nucleus cross sections within the plane wave impulse approximation (PWIA) for three nuclear models: relativistic Fermi gas (RFG), independent-particle shell model (IPSM) and natural orbital shell model (NO) in …
arxiv
J. M. Franco-Patino, M. B. Barbaro, J. A. Caballero, G. D. Megias
2021-06-04T07:42:59Z
置信度 0.78
nucl-th
-
An unusual variety of impact-related diamond from the Popigai impact structure - yakutites - is characterized by complementary methods including optical microscopy, X-ray diffraction, radiography and tomography, infra-red, Raman and luminescence spectroscopy p…
arxiv
Andrei A. Shiryaev, Anton D. Pavlushin, Alexei V. Pakhnevich, Ekaterina S. Kovalenko 等
2022-02-12T13:53:03Z
置信度 0.78
cond-mat.mtrl-scicond-mat.mes-hall
-
Bone mineral density (BMD) is a clinically critical indicator of osteoporosis, usually measured by dual-energy X-ray absorptiometry (DEXA). Due to the limited accessibility of DEXA machines and examinations, osteoporosis is often under-diagnosed and under-trea…
arxiv
Kang Zheng, Yirui Wang, Xiaoyun Zhou, Fakai Wang 等
2021-03-24T20:59:54Z
置信度 0.78
eess.IVcs.CV
-
Using a high-statistics, high-purity sample of $ν_μ$-induced charged current, charged pion events in mineral oil (CH$_2$), MiniBooNE reports a collection of interaction cross sections for this process. This includes measurements of the CC$π^+$ cross section as…
arxiv
A. A. Aguilar-Arevalo, C. E. Anderson, A. O. Bazarko, S. J. Brice 等
2010-11-16T02:00:39Z
置信度 0.78
hep-ex
-
Frustrated interactions in the Cu-based mineral rouaite with alternating antiferromagnetic and ferromagnetic spin chains, Cu$_2$(OH)$_3$NO$_3$, introduce non-trivial magnetic ground states and exotic excitations arising from them. We investigated the magnetic …
arxiv
Issei Niwata, R. Kumar, Aswathi Mannathanath Chakkingal, Anton A. Kulbakov 等
2026-03-02T10:23:18Z
置信度 0.78
cond-mat.str-el
-
We provide detailed background, theoretical and practical, on the specific heat cp of minerals and mixtures thereof, 'astro-materials', as well as background information on common minerals and other relevant solid substances found on the surfaces of solar syst…
arxiv
Jens Biele, Matthias Grott, Michael E. Zolensky, Artur Benisek 等
2022-05-17T10:16:25Z
置信度 0.78
astro-ph.EPcond-mat.mtrl-sciphysics.class-phphysics.geo-ph
-
The transition between the L dwarf and T dwarf spectral classes is one of the most remarkable along the stellar/brown dwarf Main Sequence, separating sources with photospheres containing mineral condensate clouds from those containing methane and ammonia gases…
arxiv
Adam J. Burgasser
2012-12-31T18:36:03Z
置信度 0.78
astro-ph.SR
-
As a highly frustrated model Hamiltonian with an exact dimer ground state, the Heisenberg antiferromagnet on the maple leaf lattice is of high theoretical interest, and a material realization is intensely sought after. We determine the magnetic Hamiltonian of …
arxiv
Pratyay Ghosh, Tobias Müller, Yasir Iqbal, Ronny Thomale 等
2023-01-12T18:59:36Z
置信度 0.78
cond-mat.str-el
-
Thin low-frequency acoustic absorbers that are economical to produce in large quantities are scarce, and their efficiency is often limited to a narrow frequency range. In this paper, we present opportunities to use highly porous mineral foams, in particular op…
arxiv
Bart Van Damme, Théo Cavalieri, Cong-Truc Nguyen, Camille Perrot
2024-08-27T10:14:12Z
置信度 0.78
physics.flu-dyn
-
Reprocessing of regional-scale airborne electromagnetic data (AEM) is used to build a 3D geomodel of the Nasia sub-basin. The resulting 3D geomodel integrates all the prior pieces of information brought by electromagnetic data, lithologic logs, and prior geolo…
arxiv
Elikplim Abla Dzikunoo, Giulio Vignoli, Flemming Jørgensen, Sandow Mark Yidana 等
2020-11-06T21:47:52Z
置信度 0.78
physics.geo-ph
-
Poor bone health is a significant public health concern, and low bone mineral density (BMD) leads to an increased fracture risk, a key feature of osteoporosis. We present XAttn-BMD (Cross-Attention BMD), a multimodal deep learning framework that predicts femor…
arxiv
Yilin Zhang, Leo D. Westbury, Elaine M. Dennison, Nicholas C. Harvey 等
2025-11-18T15:53:42Z
置信度 0.78
cs.CV
-
We present two novel Volume-of-Solid (VoS) formulations for micro-continuum simulation of mineral dissolution at the pore-scale. The traditional VoS formulation (VoS-psi) uses a diffuse interface localization function psi to ensure stability and limit diffusio…
arxiv
Julien Maes, Cyprien Soulaine, Hannah P. Menke
2022-04-14T15:14:44Z
置信度 0.78
physics.flu-dyn
-
Graphical User Interface (GUI) agent is pivotal to advancing intelligent human-computer interaction paradigms. Constructing powerful GUI agents necessitates the large-scale annotation of high-quality user-behavior trajectory data (i.e., intent-trajectory pairs…
arxiv
Rui Lv, Juncheng Mo, Tianyi Chu, Chen Rao 等
2026-02-05T08:19:39Z
置信度 0.78
cs.AIcs.CV
-
Nowadays, the rapid development of mobile economy has promoted the flourishing of online marketing campaigns, whose success greatly hinges on the efficient matching between user preferences and desired marketing campaigns where a well-established Marketing-ori…
arxiv
Chunjing Gan, Dan Yang, Binbin Hu, Ziqi Liu 等
2023-12-08T03:44:09Z
置信度 0.78
cs.AIcs.LG
-
Mineral prospectivity modelling (MPM) underpins exploration economics, yet most operational pipelines reduce to data-driven classifiers trained on shallow surface proxies. Such models are blind to the subsurface physics that actually localises ore: heat advect…
arxiv
Boris Kriuk
2026-05-31T06:50:20Z
置信度 0.78
physics.geo-phcs.AIcs.LG
-
A natural mixture of heavy rare earths oxides extracted from xenotime mineral have been used to prepare large single crystals of high-temperature REBa2Cu3O(7-δ) superconductor grown using the CuO-BaO self-flux method. Its mechanical properties along the ab-pla…
arxiv
Francisco Carlos Serbena, Carlos Eugênio Foerster, Alcione Roberto Jurelo, Alexandre Mikowski 等
2012-05-30T21:12:39Z
置信度 0.78
cond-mat.supr-concond-mat.mtrl-sci
-
Type 2 diabetes (T2DM), one of the most prevalent chronic diseases, affects the glucose metabolism of the human body, which decreases the quantity of life and brings a heavy burden on social medical care. Patients with T2DM are more likely to suffer bone fragi…
arxiv
Wei Wang, Gangqiang Hu, Bo Yuan, Shandong Ye 等
2020-06-27T08:27:00Z
置信度 0.78
q-bio.QMcs.LGstat.ML
-
Cometary dust particles are best preserved remnants of the matter present at the onset of the formation of the Solar System. Space missions, telescopic observations and laboratory analyses advanced the knowledge on the properties of cometary dust. Cometary sam…
arxiv
Cecile Engrand, Jérémie Lasue, Diane H. Wooden, Mike E. Zolensky
2023-05-05T10:33:42Z
置信度 0.78
astro-ph.EP
-
Osteoporosis is a common chronic metabolic bone disease often under-diagnosed and under-treated due to the limited access to bone mineral density (BMD) examinations, e.g. via Dual-energy X-ray Absorptiometry (DXA). This paper proposes a method to predict BMD f…
arxiv
Fakai Wang, Kang Zheng, Le Lu, Jing Xiao 等
2022-01-05T22:03:32Z
置信度 0.78
eess.IVcs.CV
-
The lack of benchmark data on the real minerals, native ammonium carriers in Solar System gives rise to controversial opinions on extraterrestrial ammonium reservoirs. We herein report on discovery of the first mineral carrier of meteoritic ammonium and show i…
arxiv
Sergey N. Britvin, Oleg S. Vereshchagin, Natalia S. Vlasenko, Maria G. Krzhizhanovskaya 等
2024-07-30T17:33:29Z
置信度 0.78
astro-ph.EPphysics.geo-ph
-
Brown dwarfs and exoplanets provide unique atmospheric regimes that hold information about their formation routes and evolutionary states. Modelling mineral cloud particle formation is key to prepare for missions and instruments like CRIRES+, JWST and ARIEL as…
arxiv
Dominic Samra, Christiane Helling, Tilman Birnstiel
2022-03-14T19:38:51Z
置信度 0.78
astro-ph.EPastro-ph.SR
-
Muscovite mica is a translucent, layered silicate mineral whose basal cleavage, low radiogenic background, gigayear exposures, and demonstrated track retention over geological timescales make it a compelling target for rare particle searches. In this work, we …
arxiv
Yilda Boukhtouchen, Joseph Bramante, Andrew Buchanan, Alexander Hayes 等
2026-06-01T17:59:49Z
置信度 0.78
hep-phhep-ex
-
We report NMR study on the spin correlations in the spin-cluster based mineral Na$_2$Cu$_3$O(SO$_4$)$_3$ with magnetic fields ranged from 1 T to 33 T. The long-range magnetic order is observed from both the sudden spectral broadening at $T_N$ and critical slow…
arxiv
Long Ma, J. X. Li, L. S. Ling, Y. Y. Han 等
2023-06-25T00:55:12Z
置信度 0.78
cond-mat.str-el
-
The organization of water molecules and ions between charged mineral surfaces determines the stability of colloidal suspensions and the strength of phase-separated particulate gels. In this article we assemble a density functional that measures the free energy…
arxiv
Thomas Petersen
2023-12-08T11:14:50Z
置信度 0.78
cond-mat.soft
-
This article presents an Integral Gaussian Process (IntegralGP) framework for volumetric estimation of subterranean properties in mineral deposits. It provides a unified representation for data with different spatial supports, which enables blasthole geochemic…
arxiv
Anna Chlingaryan, Arman Melkumyan, Raymond Leung
2025-12-09T22:05:39Z
置信度 0.78
stat.MEstat.AP
-
Low bone mineral density (BMD) is believed to influence the outcome of instrumented spinal surgery and can lead to reoperation. Purpose of this observational and case-control study was to investigate the association of BMD with the risk of reoperation followin…
arxiv
Maximilian T. Löffler, Niklas Loreck, Johannes Kaesmacher, Felix Zibold 等
2019-11-07T11:44:10Z
置信度 0.78
q-bio.TO
-
Exoplanet atmosphere characterisation has become an important tool in understanding exoplanet formation, evolution. However, clouds remain a key challenge for characterisation: upcoming space telescopes (e.g. JWST, ARIEL) and ground-based high-resolution spect…
arxiv
Dominic Samra, Christiane Helling, Michiel Min
2020-04-28T13:35:18Z
置信度 0.78
astro-ph.EPastro-ph.SR
-
The atmospheres of hot rocky exoplanets (HREs), should they persist, are products of interactions with underlying magma oceans. Spectra collected by the James Webb Space Telescope (JWST) hint at a CO/CO$_2$-rich atmosphere on the HRE 55 Cancri e, indicative of…
arxiv
Fabian L. Seidler, Paolo A. Sossi, Dan J. Bower, Brice-Olivier Demory
2025-09-17T00:59:31Z
置信度 0.78
astro-ph.EP
-
Pressure solution creep rates and interface structures have been measured by two methods on calcite single crystals. In the first kind of experiments, calcite monocrystals were indented at 40 degrees C for six weeks using ceramic indenters under stresses in th…
arxiv
Sergei Zubtsov, François Renard, Jean-Pierre Gratier, Dag Dysthe 等
2008-01-04T19:44:44Z
置信度 0.78
physics.geo-ph
-
Magmatic anhydrite has long been regarded as diagnostic of oxidized intermediate-felsic magmas in porphyry Cu deposits. Here we report the world first occurrence of mantle-derived magmatic anhydrite in ultramafic rock from a magmatic platinum group elements su…
arxiv
Yuegao Liu
2026-07-18T16:53:15Z
置信度 0.78
physics.geo-ph
-
Osteoporosis is a prevalent bone disease that causes fractures in fragile bones, leading to a decline in daily living activities. Dual-energy X-ray absorptiometry (DXA) and quantitative computed tomography (QCT) are highly accurate for diagnosing osteoporosis;…
arxiv
Yi Gu, Yoshito Otake, Keisuke Uemura, Mazen Soufi 等
2023-07-21T11:49:30Z
置信度 0.78
eess.IVcs.CV
-
Low power energy dispersive XRD-XRF portable instruments equipped with multiple angle scanning can take advantage of the shorter acquisition time of EDXRD with respect to ADXRD, and bring closer higher accuracy and resolution of inter-planar distance with thos…
arxiv
Ariadna Mendoza Cuevas, Jorge Fernandez-de-Cossio Dorta-Duque
2016-10-20T06:07:29Z
置信度 0.78
physics.ins-det
-
Langmuir-Blodgett (LB) films of N,N'-dioctadecyl thiacyanine perchlorate (NK) and octadecyl rhodamine B chloride (RhB18) and their mixtures in the presence and absence of clay mineral layers were investigated by recording surface pressure - area isotherms and …
arxiv
Syed Arshad Hussain, Robert A. Schoonheydt
2011-06-17T17:01:03Z
置信度 0.78
cond-mat.mtrl-scicond-mat.mes-hall
-
We estimate the frequency of Saharan mineral dust outbreak events observed over the North Atlantic island of La Palma based on in situ nightly atmospheric extinction measurements recorded almost continuously since 1984 by the Carlsberg Meridian Telescope at th…
arxiv
Benjamin A. Laken, Hannu Parviainen, Enric Pallé, Tariq Shahbaz
2013-06-17T07:31:05Z
置信度 0.78
physics.ao-ph
-
While most vision tasks are essentially visual in nature (for recognition), some important tasks, especially in the medical field, also require quantitative analysis (for quantification) using quantitative images. Unlike in visual analysis, pixel values in qua…
arxiv
Yi Gu, Yoshito Otake, Keisuke Uemura, Masaki Takao 等
2024-07-30T01:39:30Z
置信度 0.78
eess.IVcs.CV
-
The mineral linarite (PbCuSO$_4$(OH)$_2$) forms a monoclinic structure where a sequence of Cu(OH)$_2$ units forms a spin-$\frac{1}{2}$ chain. Competing ferromagnetic nearest-neighbor ($J_1$) and antiferromagnetic next-nearest-neighbor interactions ($J_2$) in t…
arxiv
Matthias Gillig, Xiaochen Hong, Piyush Sakrikar, Gaël Bastien 等
2021-10-05T08:00:58Z
置信度 0.78
cond-mat.str-el
-
Magnetic and crystallographic properties of the mineral langite Cu$_4$(OH)$_6$SO$_4\cdot 2$H$_2$O are reported. Its layered crystal structure features a peculiar spatial arrangement of spin-$\frac12$ Cu$^{2+}$ ions that arises from a combination of corner- and…
arxiv
Stefan Lebernegg, Alexander A. Tsirlin, Oleg Janson, Günther J. Redhammer 等
2015-06-29T09:47:08Z
置信度 0.78
cond-mat.str-el
-
NASA's Earth Surface Mineral Dust Source Investigation (EMIT) mission seeks to use spaceborne imaging spectroscopy (hyperspectral imaging) to map the mineralogy of arid dust source regions. Here we apply recent developments in Joint Characterization (JC) and t…
arxiv
Daniel Sousa, Christopher Small
2023-03-08T20:31:06Z
置信度 0.78
physics.geo-ph
-
We propose a 3D neural network with specific loss functions for quantitative computed tomography (QCT) noise reduction to compute micro-structural parameters such as tissue mineral density (TMD) and bone volume ratio (BV/TV) with significantly higher accuracy …
arxiv
Felix Thomsen, José M. Fuertes García, Manuel Lucena, Juan Pisula 等
2020-11-04T16:17:24Z
置信度 0.78
eess.IVcs.CV
-
This comment addresses discrepancies in dielectric constant calculations of water under extreme conditions (~10 GPa and 1000 K) between Fowler et al.'s recent study [Geochim. Cosmochim. Acta 372, 111-123 (2024)] and the earlier work by Pan et al. [Proc. Natl. …
arxiv
Jiajia Huang, Ding Pan
2025-07-29T13:46:11Z
置信度 0.78
physics.geo-phphysics.comp-ph
-
We propose a method for estimating the bone mineral density (BMD) from a plain x-ray image. Dual-energy X-ray absorptiometry (DXA) and quantitative computed tomography (QCT) provide high accuracy in diagnosing osteoporosis; however, these modalities require sp…
arxiv
Yi Gu, Yoshito Otake, Keisuke Uemura, Mazen Soufi 等
2022-07-07T10:33:12Z
置信度 0.78
eess.IVcs.CV
-
Lightning is present in all solar system planets which form clouds in their atmospheres. Cloud formation outside our solar system is possible in objects with much higher temperatures than on Earth or on Jupiter: Brown dwarfs and giant extrasolar gas planets fo…
arxiv
Christiane Helling, Moira Jardine, Declan Diver, Soeren Witte
2012-07-08T20:10:25Z
置信度 0.78
astro-ph.EPastro-ph.SR
-
The Concordia micrometeorite collection contains UltraCarbonaceous Antarctic MicroMeteorites (UCAMMs) of probable cometary origin. Eight FIB sections of UCAMMs were studied by Scanning Transmission X-ray Microscopy - X-ray Absorption Near Edge Structure and (S…
arxiv
B. Guérin, C. Engrand, C. Le Guillou, H. Leroux 等
2026-08-26T13:46:49Z
置信度 0.78
astro-ph.EP
-
The Controlled Source Electromagnetic (CSEM) method aims to image electrical resistivity at intermediate depths (0-3 km) for geothermal, mineral, and groundwater exploration. It was developed both as a deeper extension of DC resistivity (ERT) and as an active …
arxiv
F Bretaudeau, S Védrine, C Patzer, B Kim 等
2026-05-27T08:06:49Z
置信度 0.78
physics.geo-ph
-
Hydrous minerals are found on the surfaces of asteroids, but their origin is not clear. If their origin is endogenic, the hydrous minerals that were formed in the inner part of a planetesimal (or parent body) should come out on to the surface without dehydrati…
arxiv
Shigeru Wakita, Hidenori Genda
2019-03-12T00:27:54Z
置信度 0.78
astro-ph.EP