Results 71 to 80 of about 10,003 (216)

Application of coupled-wave Wentzel-Kramers-Brillouin approximation to ground penetrating radar [PDF]

, 2017
This paper deals with bistatic subsurface probing of a horizontally layered dielectric half-space by means of ultra-wideband electromagnetic waves. In particular, the main objective of this work is to present a new method for the solution of the two ...
Marciniak, Marian, Pajewski, Lara, Popov, Alexei, Prokopovich, Igor   +3 more
core   +2 more sources

The search for the cause of the low albedo of the moon [PDF]

Experimentation concerning lunar weathering and its effect on the albedo of the surface cover consisted of: (1) determination of the surface chemical composition of lunar soil and ground-up rock samples by Auger electron spectroscopy, (2) measurement of
Baron, R. L., Bilson, E., Gold, T.
core   +1 more source

Design, test, and verification of in-situ condition preserved coring and analysis system in lunar-based simulation environment

International Journal of Mining Science and Technology
The lunar surface and its deep layers contain abundant resources and valuable information resources, the exploration and exploitation of which are important for the sustainable development of the human economy and society.
Haichun Hao, Mingzhong Gao, Yan Wu, Zheng Gao, Yongcheng Li, Xuemin Zhou, Peng Chu, Xuan Wang, Jiahua Li, Lang Zhou, Jie Song, Tianxiang Ao, Yikun Yang   +12 more
doaj   +1 more source

Test equipment data package for the KC-135 fiber pulling apparatus [PDF]

The Fiber Pulling Apparatus (FPA) is a device designed to produce continuous glass fibers from simulated lunar soil, and to determine the effects of reduced gravity, specifically 1/6 g on fiber formation and resultant properties.
Kosten, Sue, Smith, Guy A., Tucker, Dennis, Workman, Gary   +3 more
core   +1 more source

Constitutive model analysis of Chang'e-5 simulated lunar regolith solidified bodies under compression

Case Studies in Construction Materials
China’s Chang'e-5 spacecraft successfully collected 1731 g of Lunar regolith and returned it to Earth on December 17, 2020. In this paper, Chang'e-5 simulated Lunar regolith is used as the main material to form stable and dense solid Lunar soil ...
Guihong Xu, Yang Li, Ronghua Pang, Ziwei Chen, Xu Ren   +4 more
doaj   +1 more source

Preparation and evaluation of GCD-1 lunar regolith simulant based geopolymer activated by solid sodium silicate

Case Studies in Construction Materials
In this study, a new lunar regolith simulant, named ''GCD-1'', was formulated by combining various minerals, such as anorthite, albite, pyroxene, ilmenite, slag, and fly ash.
Shuo Li, Zihan Zhou, Guo Hu, Jun Wu
doaj   +1 more source

Study of man pulling a cart on the moon [PDF]

Metabolic cost evaluation of self-locomotion in simulated lunar gravity using space suits and carts including weight load and surface ...
Camacho, A., Robertson, W., Walther, A.
core   +1 more source

Site Alteration Effects from Rocket Exhaust Impingement During a Simulated Viking Mars Landing. Part 2: Chemical and Biological Site Alteration [PDF]

Chemical and biological alteration of a Mars landing site was investigated experimentally and analytically. The experimental testing was conducted using a specially designed multiple nozzle configuration consisting of 18 small bell nozzles.
Fennessey, P. V., Husted, R. R., Smith, I. D.   +2 more
core   +1 more source

Process to create simulated lunar agglutinate particles [PDF]

, 2011
A method of creating simulated agglutinate particles by applying a heat source sufficient to partially melt a raw material is provided. The raw material is preferably any lunar soil simulant, crushed mineral, mixture of crushed minerals, or similar ...
Gustafson, Marty A., Gustafson, Robert J., White, Brant C.   +2 more
core   +1 more source

Mechanical, optical, thermal and electrical properties of the Surveyor I landing site [PDF]

Mechanical, optical, thermal, and electrical properties of Surveyor I landing ...
Halajian, J. D.
core   +1 more source