Results 41 to 50 of about 368 (69)

Mechanical and hydraulic properties of fractured Bentheim sandstone at different laboratory-simulated depths

open access: yesScientific Reports
Understanding how rock properties change with depth is crucial for a variety of geoengineering applications. Even rocks that are homogenous at both micro and macro scales, such as Bentheim sandstone, lose this characteristic once fractured.
Marco Fazio   +3 more
doaj   +1 more source

Performance regulation of 3D-printed PA12 based on deep space extreme environment

open access: yesCailiao gongcheng
PA12 material has good thermal stability and radiation resistance, and has broad application prospects in deep space manufacturing. However, PA12 materials prepared by fused deposition modeling (FDM) on the ground generally have structural defects such ...
ZENG Yong   +3 more
doaj   +1 more source

Shear mechanical behavior and fracturing path of red sandstone treated by joninted effect of water-fractures

open access: yesInternational Journal of Coal Science & Technology
Water content and primary fractures can change the mechanical characteristics of rock, making it easy to induce geological disasters. Therefore, direct shear tests of red sandstone under the action of water-fracture were carried out in this paper.
Yangyang Li   +4 more
doaj   +1 more source

Side Illumination Behavior and Mechanical Properties of Twisted End‐Emitting Polymer Optical Fiber Bundles

open access: yesMacromolecular Materials and Engineering
Polymer optical fibers (POFs), including side‐emitting POF (SEPOF) and end‐emitting POF (EEPOF) are developed for luminous textiles. The SEPOF is more common for usage but suffers from significant intensity decay, which limits its effective usage length.
Xiuling Zhang   +3 more
doaj   +1 more source

Synthesis and characterization of TeO2-B2O3-CaO-ZnO glass systems for improved radiation shielding performance

open access: yesJournal of Radiation Research and Applied Sciences
This study aims to develop glass materials with enhanced radiation shielding properties with better attenuation performance by combining B2O3-TeO2-ZnO-CaO glasses with a fixed TeO2 content and varying concentrations of B2O3, ZnO, and CaO.
Reem Darwesh   +3 more
doaj   +1 more source

Study on the mechanical properties of multi-walled carbon nanotubes-basalt fiber reinforced lunar soil simulant

open access: yes矿业科学学报
The utilization of in-situ lunar resources has become the core path for the construction of lunar scientific research stations. This paper adds multi-walled cabon nanotbes (MWCNTs) and basalt fibers (BF) into basalt-simulated lunar soil to study the ...
MA Qinyong, YANG Jinhui, ZHANG Bobo
doaj   +1 more source

Use of visibility graphs for analysis of computed tomography soil images

open access: yesActa Scientiarum. Agronomy
A complex network analysis of three-dimensional soil images obtained by X-ray computed tomography (CT) was employed to analyze the morphological properties of soil under different vegetation covers.
Nicéias Silva Vilela   +5 more
doaj   +1 more source

Measure-Theoretic Analysis of Stochastic Competence Sets and Dynamic Shapley Values in Banach Spaces

open access: yesMathematics
We develop a measure-theoretic framework for dynamic Shapley values in Banach spaces, extending classical cooperative game theory to continuous-time, infinite-dimensional settings.
Jih-Jeng Huang, Chin-Yi Chen
doaj   +1 more source

Environmental and geostatistical modelling of soil properties toward precision agriculture

open access: yesDiscover Soil
Understanding the spatial distribution of soil properties is critical for achieving precision agriculture. The study aims to model soil property heterogeneity in the context of food sustainability using remote sensing (RS) and geostatistical techniques ...
Tobore Anthony   +3 more
doaj   +1 more source
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Antibiotic Resistance in the Patient With Cancer: Escalating Challenges and Paths Forward

Ca-A Cancer Journal for Clinicians, 2021
Amila K Nanayakkara, David E Greenberg
exaly  

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