Results 211 to 220 of about 2,275 (247)
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Soil-Tool Interaction Theories as They Apply to Lunar Soil Simulant
Journal of Aerospace Engineering, 1995With the establishment of a lunar base, excavation of the lunar soil will be a necessary and time-critical activity. It is the intent of this paper to establish the importance of certain excavation parameters and how they interrelate. With this approach, an overall efficiency of an excavating system can be determined and used as a basis for comparing ...
Brian M. Willman, Walter W. Boles
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Soil Simulations May Simplify Design Of Lunar Structures
Civil Engineering Magazine, 2010Engineers have developed a digital method for predicting soilstructure interaction that could improve construction in remote locations—including the moon.
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Experimental simulation of tensile behavior of lunar soil simulant JSC-1
Materials Science and Engineering: A, 2008The return of humans to the Moon, which includes construction and infrastructure development remain a national priority for exploration of space. Thus, a thorough understanding of lunar soil properties for purposes of engineering design is required. In the past lunar soil (regolith) simulant JSC-1 has been widely used by investigators in feasibility ...
Haydar Arslan +2 more
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DEM parameter matching of high-dense lunar soil simulant
2015 IEEE International Conference on Information and Automation, 2015Discrete element method (DEM) is getting a wider use in granular media study. It is a fundamental of lunar soil DEM study that matching the micromechanical parameters of lunar soil simulant with its macro parameters. In this paper, the matching work is carried out by simulating triaxial test applying PFC3D software, and the constitutive model is a ...
Deming Zhao +5 more
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NAO-1: Lunar Highland Soil Simulant Developed in China
Journal of Aerospace Engineering, 2009A new lunar highland soil simulant, NAO-1, has been created in National Astronomical Observatories (NAO), Chinese Academy of Sciences. This simulant was produced by gabbro, which includes large quantity of feldspar ( An >90) . The simulant’s chemical composition, mineralogy, particle-size distribution, density, angle of internal friction, and cohesion ...
Yongquan Li, Jianzhong Liu, Zongyu Yue
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Life and death in the soil microbiome: how ecological processes influence biogeochemistry
Nature Reviews Microbiology, 2022Noah W Sokol +2 more
exaly
A New Lunar Soil Simulant in China
Earth and Space 2010, 2010Mingjing Jiang +3 more
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The interplay between microbial communities and soil properties
Nature Reviews Microbiology, 2023laurent Philippot +2 more
exaly