-
Inspired by the US government’s denial that outer space is a global commons, and the heated discussion in China regarding property rights in outer space resources, this article looks at this controversial term: “global commons”. It finds that this term was mos…
crossref
Di Mei
2024-03-21T09:57:32Z
置信度 0.70
-
crossref
2023-08-04T21:56:31Z
置信度 0.70
-
crossref
Lucien Rapp
2025-06-05T01:22:53Z
置信度 0.70
-
crossref
David S. Myers
2003-03-15T10:04:18Z
置信度 0.70
-
In this article, a technique is proposed to address issues related to managing key resources in semantic communications enabled wireless systems (SCWS). For use by the base stations (BSs), the considered SCWS is equipped with a base of knowledge (BoK) that con…
crossref
Sridhar Iyer
2025-09-25T17:52:10Z
置信度 0.70
-
crossref
2023-12-11T14:31:17Z
置信度 0.70
-
crossref
Duncan Lunan
2002-10-15T01:51:46Z
置信度 0.70
-
Inspired by the US government’s denial that outer space is a global commons, and the heated discussion in China regarding property rights in outer space resources, this article looks at this controversial term: “global commons”. It finds that this term was mos…
crossref
Di Mei
2024-09-09T06:10:41Z
置信度 0.70
-
By treaty, space resources are categorized as the common property of humanity. The public interest appears to exclude private ownership. However, part of the space governance movement is a plan for private ownership of equitable estates in space resources. The…
crossref
Declan J. O'Donnell
2007-01-09T18:29:48Z
置信度 0.70
-
British people’s experience of space was transformed in the nineteenth century. On the one hand, the world became a smaller place, as technology made it possible to travel, move goods, and send information further and faster than ever before. But the social di…
crossref
Philip Howell
2023-06-28T06:42:06Z
置信度 0.70
-
crossref
Namrata Goswami, Peter A. Garretson
2024-07-30T11:10:32Z
置信度 0.70
-
In this chapter, the authors explore the continuities and ruptures between “graphical space” and “geometrical space”. They address the question on the articulation between resources for teaching and learning geometry, teaching practices and training “devices” …
crossref
2023-08-04T21:56:31Z
置信度 0.70
-
crossref
European Space Agency
2002-07-25T22:44:46Z
置信度 0.70
-
crossref
Gregg E. Maryniak, Richard Boudreault
2002-07-26T00:25:03Z
置信度 0.70
-
crossref
2025-05-23T12:23:12Z
置信度 0.70
-
crossref
Isabelle Sourbès-Verger
2010-07-19T08:18:19Z
置信度 0.70
-
crossref
Kavya Murali Parthasarathy, Shaijumon C. S
2025-08-03T21:46:51Z
置信度 0.70
-
crossref
2023-08-04T21:56:31Z
置信度 0.70
-
crossref
Tharshan Maheswaran, Patrick Seidelmann, Albert Vu
2025-08-03T21:46:51Z
置信度 0.70
-
crossref
Ram S. Jakhu, Joseph N. Pelton
2017-09-12T13:55:04Z
置信度 0.70
-
crossref
2014-09-16T06:26:23Z
置信度 0.70
-
Abstract As natural resources found on celestial bodies, such as lunar regolith and asteroidal water, become important to upcoming space missions, states are developing contending institutions to govern their exploitation. This chapter begins with a definition…
crossref
Alanna Krolikowski, Martin Elvis
2024-02-22T23:27:54Z
置信度 0.70
-
This paper examines the commercial use of space mineral and energy resources within the context of their potential to provide monetary and non-monetary benefits to the global community. Cost and revenue factors are reviewed from an economic perspective. The de…
crossref
Brad R. Blair
2007-01-09T18:29:48Z
置信度 0.70
-
The Earth Resources Experiment Package (EREP) which will be flown on the Skylab in 1973 is discussed. The EREP facility includes a multispectral photographic facility (2 camera system), an infrared spectrometer, a multispectral scanner, a microwave radiometer/…
crossref
O. SMITH
2013-10-08T15:29:31Z
置信度 0.70
-
<p dir="ltr">Galactic cosmic radiation and solar particle events represent the primary unresolved health hazard for long-duration human spaceflight beyond low-Earth orbit. Conventional passive shielding materials cannot adequately mitigate this hazard wi…
crossref
Nordeep Cheema
2026-05-20T16:20:32Z
置信度 0.70
-
Based on our experience with the space shuttle, we plan to use the U.S. Laboratory Window Observational Research Facility (WORF) of the International Space Station (ISS) to study ocean dynamics and resources using high resolution color cameras, such as the NAS…
crossref
Quanan Zheng
2003-02-06T17:33:30Z
置信度 0.70
-
The Department of Defense's Space Policy, Joint Publication 3-14, Joint Doctrine for Space Operations, and other sources make clear the importance of space and space forces to current and future US military operations. Throughout these documents and discussion…
crossref
Patrick H. Rayermann
2017-08-17T15:14:46Z
置信度 0.70
-
Exposure to high-linear energy transfer (LET) heavy ions, such as 28Si, poses a significant cancer risk for astronauts. While previous studies have linked high-LET radiation exposure to persistent oxidative stress and dysregulated stress responses in intestina…
crossref
Kamendra Kumar, Santosh Kumar, Jerry Angdisen, Kamal Datta 等
2025-07-01T04:04:22Z
置信度 0.70
-
Building livable urban space is an important component of urban construction. The evaluation of urban space livability is of great significance for urban sustainable development. The study measured the level of urban spatial livability in the urban area of Hef…
crossref
Zhang Quan, Nie Huijuan, Li Xiaoying
2024-03-26T09:57:18Z
置信度 0.70
-
crossref
2023-08-04T21:56:31Z
置信度 0.70
-
crossref
Bert Chapman
2020-01-12T06:59:15Z
置信度 0.70
-
crossref
Kurt Mills
2011-08-04T14:56:03Z
置信度 0.70
-
crossref
Ian A. Crawford
2016-09-12T22:25:18Z
置信度 0.70
-
crossref
Davide Sivolella
2019-12-05T07:02:57Z
置信度 0.70
-
crossref
William Nordberg
2012-05-03T03:03:48Z
置信度 0.70
-
crossref
2008-11-05T11:33:43Z
置信度 0.70
-
europepmc
2015
置信度 0.80
-
Wetland condition in floodplain landscapes is influenced by seasonal hydrology, catchment land-use change, and landscape fragmentation. This study assessed long-term catchment-wetland associations and hydro-ecological condition at Bakhira Ramsar Site, India, f…
europepmc
2026
置信度 0.80
-
Constructing a Water Ecological Security Pattern (WESP) is essential for mitigating water scarcity, yet existing methods are mostly based on static supply-demand assessments and fail to capture the spatial flow pathways of water resources between supply and de…
europepmc
2026
置信度 0.80
-
Measures of niche overlap-particularly in terms of resource use-are important tools in a wide range of ecological and evolutionary studies. A variety of these overlap indices are used, but all are pairwise measures. Yet, most communities are more complex, sugg…
europepmc
2026
置信度 0.80
-
The article, on the basis of analysis of archival materials, reveals contribution of the All-Union Research Institute for Penicillin and Other Antibiotics to development of modern technology for production of penicillin. The factors that allowed the Institute …
europepmc
2026
置信度 0.80
-
Groundwater salinization in coastal reclamation areas severely threatens regional water security. To address the limitation that machine learning models tend to overlook hydrogeochemical processes in black-box predictions, a PMF-weighted SHAP framework was pro…
europepmc
2026
置信度 0.80
-
Comprehensive and accurate assessment regarding pollution status, health risks, and environmental capacity of potentially toxic elements (PTEs) in mine tailings is crucial for environmental management. This study develops a novel integrated framework that comb…
europepmc
2026
置信度 0.80
-
Background Spatial planning plays a pivotal role in shaping the health and well-being of urban populations. Since 2016, most Chinese cities have incorporated health-related elements into their Territorial Spatial Planning (TSP) 2035 Schemes as part of national…
europepmc
2026
置信度 0.80
-
europepmc
2026
置信度 0.80
-
In deep underground engineering, lining concrete structures in underground gas storage facilities are exposed to prolonged high in-situ stress and intense disturbances, which increase their susceptibility to progressive damage and sudden instability-induced fa…
europepmc
2026
置信度 0.80
-
Various hypotheses have been proposed to explain why some species persist or even flourish in urban areas. Yet, despite its central role in determining when and where animals encounter resources, disturbance, and risk, movement behaviour remains an overlooked …
europepmc
2026
置信度 0.80
-
Despite a growing body of research connecting many art activities to mental well-being or mental and physical health, empirical evidence regarding the actual, lived experience of artworks and how this might relate at a mechanistic level to specific outcomes, r…
europepmc
2026
置信度 0.80
-
Stem rust (SR), caused by Puccinia graminis f. sp. tritici (Pgt), poses a threat to wheat production in Germany. This study evaluated 200 plant genetic resources (PGR) and 50 elite lines across four field environments. Multi-environment genome-wide association…
europepmc
2026
置信度 0.80
-
Introduction Life space mobility (LSM) reflects overall function, and a reduction in LSM can limit activity, participation, and quality of life in older adults with chronic respiratory diseases (CRD). Existing research has not fully addressed factors associate…
europepmc
2026
置信度 0.80
-
Urban Public Green Spaces (UPGS) play essential roles in ecological resilience, climate adaptation, and socio-environmental equity, yet their sustainability in semi-arid cities remains insufficiently understood. This study applies an integrated framework combi…
europepmc
2026
置信度 0.80
-
Background and purpose Quantitative T1 mapping is a major building block in several multiparametric magnetic resonance imaging (MRI) protocols intended for adaptive radiation therapy. The implementation of these protocols is challenging in anatomical sites tha…
europepmc
2026
置信度 0.80
-
Objective The persistent spatial inequality in the distribution of fitness resources is still the key obstacle to achieve the goal of nationwide sports activities. Although school stadiums and gymnasiums account for more than half of the national sports infras…
europepmc
2026
置信度 0.80
-
Family medicine graduate education has changed significantly over the past 5 years. From rapid, overlapping changes due to the COVID-19 pandemic, evolving ACGME and ABFM requirements, and new technologies such as AI, it has felt like every one of these years h…
europepmc
2026
置信度 0.80
-
Space situational awareness increasingly relies on optical observations to detect and track resident space objects and to estimate spacecraft attitude. Many existing resources are synthetic or restricted, and few provide on orbit, wide field of view imagery wi…
europepmc
2026
置信度 0.80
-
Against the backdrop of sustainable development and ecological civilization construction， studying the spatiotemporal evolution of ecosystem services in river basins and their trade-offs and synergistic relationships contributes to the sustainable social-econo…
europepmc
2026
置信度 0.80
-
Background Thoracic outlet syndrome (TOS) is frequently underdiagnosed due to nonspecific symptoms and the absence of definitive radiographic findings. Neurogenic TOS (nTOS), the most common subtype, is typically caused by compression of the brachial plexus wi…
europepmc
2026
置信度 0.80
-
How similar species overlap in space and resource use within communities is a long-standing question in ecology. For mobile species, how individuals move shapes their resource use and interactions with other animals. Yet links between individual movements and …
europepmc
2026
置信度 0.80
-
Space missions require liquid drug formulations that remain physically stable and exhibit predictable release under launch, microgravity, and handling stresses. This study examined melatonin‑loaded nanoemulsions flown on the MAPHEUS‑15 sounding rocket, compari…
europepmc
2026
置信度 0.80
-
Understanding how animals adjust their space use in changing environments is important for conservation, especially for species restricted to fragmented mountain habitats. We studied the home range of one wild group of golden snub-nosed monkey (Rhinopithecus r…
europepmc
2026
置信度 0.80
-
Decentralization is designed to transfer autonomy from more central to more local actors, yet studies show differences in the autonomy realized under these reforms. Drawing on the case of health sector decentralization in Honduras, we utilize the decision spac…
europepmc
2026
置信度 0.80
-
Objectives: Local positioning systems (LPSs) used in indoor team sports generate a large number of external load variables, often exceeding practical monitoring capacity. The redundancy and overlap among these variables make it difficult to identify the most i…
europepmc
2026
置信度 0.80
-
Background and purpose Accounting for the linear energy transfer (LET) in proton radiotherapy may reduce treatment-related side effects. When Monte Carlo (MC) simulations are unavailable, deep-learning (DL) surrogate models can be applied. We develop DL LET mo…
europepmc
2026
置信度 0.80
-
Stocking density is one factor that can stimulate stress conditions in beef cattle farming, negatively impacting animal health and performance. The aim of this study was to evaluate hematology and longissimus dorsi ultrasound in beef heifers housed at two diff…
europepmc
2026
置信度 0.80
-
Objective The COVID-19 pandemic profoundly disrupted outpatient services with challenges including cancellations and delays in consultations, diagnostics, and surgeries. The Acute Hand Program at Trillium Health Partners examined the pandemic's impact as a cat…
europepmc
2026
置信度 0.80
-
The Northeast region serves as a vital grain production base in China, with an increasingly prominent role in national food security. This study integrated existing crop classification products and land cover data to extract samples of rice, maize, soybean, an…
europepmc
2026
置信度 0.80
-
Obtaining sufficient field observations for natural resources in complex mountainous environments is often constrained by limited soil samples. Geographic environmental similarity may provide a useful basis for spatial inference under small-sample conditions. …
europepmc
2026
置信度 0.80
-
Currently, suburban rural areas in China are experiencing low-efficiency issues in production-living-ecological spaces (PLES) amid rapid urbanization. Existing research pays insufficient attention to trade-offs among multiple spatial efficiencies and often lac…
europepmc
2026
置信度 0.80
-
Abstract Background Public subgenome-resolved genomic resources have clarified the origin and diversification history of allotetraploid Coffea arabica , but the accession-level and subgenome-level structure separating cultivated and introgressed arabica backgr…
europepmc
2026
置信度 0.80
-
This paper reports research that was completed prior to FL SB 266 or TX SB 17 going into effect. Human space travel has been rapidly expanding, including new nations, private companies, and ambitious goals such as returning to the Moon and traveling to Mars. T…
europepmc
2026
置信度 0.80
-
Many migratory species are declining globally, yet critical stages of their life cycle remain understudied, particularly the wintering period. Here, we provide novel insights into the spatial behaviour of a long-distance migrant, the nominate and endangered su…
europepmc
2026
置信度 0.80
-
Mechanical pop-up systems, which reconfigure from two-dimensional (2D) into complex three-dimensional (3D) shapes, are promising for advanced manufacturing and deployable devices. Multistable pop-up kirigami systems are especially advantageous because their pr…
europepmc
2026
置信度 0.80
-
Based on the five phases of land use data in the Yangtze River Basin in 2000， 2005， 2010， 2015， and 2020， the spatio-temporal evolution characteristics of the "production-living-ecological spaces" and the ecological environment quality in the Yangtze River Bas…
europepmc
2026
置信度 0.80
-
Achieving a sustainable energy system for space missions remains challenging due to the continued reliance on Earth-supplied materials. This underscores the importance of in situ resource utilization (ISRU) strategies that convert planetary resources into func…
europepmc
2026
置信度 0.80
-
europepmc
2026
置信度 0.80
-
As human spaceflight expands beyond low Earth orbit, the ability to deliver advanced surgical care in space becomes critical. Current medical provisions on board the International Space Station (ISS) are geared towards treating low-risk conditions, with a 'sta…
europepmc
2026
置信度 0.80
-
Landfilling doesn’t eliminate waste. It is only a mechanism for temporarily storing waste, which means environmental issues continue to persist. Waste in landfills can pose serious risks to the environment and human health, including the emission of potent gre…
europepmc
2026
置信度 0.80
-
Runoff prediction in ungauged basins remains a fundamental challenge due to the absence of discharge observations and the limited transferability of data-driven models across heterogeneous hydrological conditions. This study proposes a regime-aware framework t…
europepmc
2026
置信度 0.80
-
Hyperuricemia (HUA), a metabolic disorder characterized by elevated uric acid (UA), is marked by a rising incidence and trend toward earlier onset, both strongly associated with fructose intake. However, the roles of gut microbiota and their metabolites remain…
europepmc
2026
置信度 0.80
-
Information encryption and security are the cornerstones of the digital era. However, traditional optical and electronic encryption techniques remain vulnerable to decryption due to deterministic material responses and predictable algorithms. In this study, we…
europepmc
2026
置信度 0.80
-
This study investigated the long-term persistence of drilling waste (DW) in unconsolidated deep-sea sediments of the Ulleung Basin three years after gas hydrate drilling at Site UBGH2-6. Seafloor imagery, sediment cores, in-situ hydrographic observations, HYCO…
europepmc
2026
置信度 0.80
-
Chiral inorganic crystals, particularly semiconductors with Weyl points near the band edges or semimetals hosting Weyl points at the Fermi level, have attracted considerable interest; yet, they remain scarce in existing materials databases. This study presents…
europepmc
2026
置信度 0.80
-
Summary Life over the past four billion years has been shaped by proteins and their capacity to assemble into three-dimensional conformations. Protein sequence alignments have been the enabling technology for exploring the evolution and functional adaptation o…
europepmc
2026
置信度 0.80
-
Objectives This study aimed to investigate the accuracy of two intraoral scanners at different post space preparation depths and widths for CAD/CAM fabricated post and core fabrication. Methods A total of 36 extracted anterior teeth were used in this study, wh…
europepmc
2026
置信度 0.80
-
Three-dimensional morphometric analyses of joint space from CT scans can provide a quantitative and unbiased evaluation of radiographic damage from arthritis. This potentially offers greater sensitivity for disease assessment and monitoring than traditional or…
europepmc
2026
置信度 0.80
-
Abstract Urban food system resilience has become a critical concern in the face of climatic crises, supply chain disruptions, global conflicts, and rapid urbanisation. Cities must therefore explore innovative ways to leverage urban spaces to enhance local food…
europepmc
2026
置信度 0.80
-
Background The COVID-19 pandemic constituted a public health emergency in Thailand from March 2020 to October 2022, testing the resilience of the health financing system. This study establishes an analytical framework to examine Thailand's public health financ…
europepmc
2026
置信度 0.80
-
In the United States, urban schools in low-resource communities face numerous challenges that make sustained improvement difficult (e.g., frequent staff turnover and relatively inexperienced teachers). Officials charged with addressing this matter must determi…
europepmc
2026
置信度 0.80
-
The intrinsic variability of solar and wind energy, compounded by their rapid expansion, has intensified power curtailment challenges 1,2 . Although spatiotemporal complementarity between these resources is widely recognized as a pathway to enhance renewable i…
europepmc
2026
置信度 0.80
-
Real-time semantic segmentation has extensive applications in practical fields such as autonomous driving. Despite the significant progress made by deep learning in semantic segmentation, the performance of real-time methods remains suboptimal. Many existing h…
europepmc
2026
置信度 0.80
-
Under the impacts of global warming and the frequent occurrence of extreme climate events, the adaptability issue between water resources and land resources has become increasingly severe, which has affected the sustainable development of regional territorial …
europepmc
2026
置信度 0.80
-
This paper proposes a data-driven approach to efficiently synthesize the spatial sound of ocean waves by integrating 2D projective space and screened foam particles. To reduce computational complexity, we present a framework that synthesizes ocean wave sounds …
europepmc
2026
置信度 0.80
-
Nature-based solutions (NbS) scholarship is overshooting its most basic purpose-the implementation of NbS projects. Investment in high-level design is outpacing the practical realities of implementation. While expert-driven approaches are useful for project pr…
europepmc
2026
置信度 0.80
-
Background Rhythms in human activity create patterns of opportunities and disturbances for wildlife, influencing their behaviour and spatial ecology. The weekend effect hypothesis posits that weekday-weekend routines in human activity can impact wildlife in cr…
europepmc
2026
置信度 0.80
-
We propose a practical method for accurately evaluating molecular total energies using a hybrid approach that integrates fault-tolerant quantum computers with classical computing. Our scheme consists of two complementary components: quantum dominant orbital se…
europepmc
2026
置信度 0.80
-
Absolute permeability is a key index for evaluating the fluid transmission capacity of sandstone reservoirs. However, what determines its value is not just the pore volume itself, but also whether the effective flow-transmission space is formed, whether the do…
europepmc
2026
置信度 0.80
-
Marine oil spills represent a significant environmental pollution incident that severely disrupts the balance and stability of marine ecosystems. SAR (Synthetic Aperture Radar) demonstrates significant potential in oil spill detection due to its all-day and al…
europepmc
2026
置信度 0.80
-
The realization of long-term manned space exploration and extraterrestrial habitation hinges on microbial-based extraterrestrial domestic wastewater (EDW) treatment technology to achieve sustainedly closed-loop water recycling. This perspective recaps the chal…
europepmc
2026
置信度 0.80
-
4D Flow Magnetic Resonance Imaging (MRI) is the state-of-the-art technique for measuring blood flow and provides valuable data for inverse problems in the cardiovascular system. However, acquiring 4D Flow MRI data requires long scan times, placing a burden on …
europepmc
2026
置信度 0.80
-
Habitat loss and fragmentation have notable effects on species' trophic ecology, often most pronounced in landscapes with intermediate levels of remaining habitat, where patch configuration can vary significantly. We assessed how habitat fragmentation influenc…
europepmc
2026
置信度 0.80