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Добірка наукової літератури з теми "Martian regolith"

Автор: Grafiati

Опубліковано: 13 квітня 2024

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Статті в журналах з теми "Martian regolith"

1

Kim, M.-H. Y., S. A. Thibeault, J. W. Wilson, et al. "Development and Testing of in situ Materials for Human Exploration of Mars." High Performance Polymers 12, no. 1 (2000): 13–26. http://dx.doi.org/10.1088/0954-0083/12/1/302.

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Interplanetary space radiation poses a serious health hazard in long-term manned space missions. Natural Martian surface materials are evaluated for their potential use as radiation shields for manned Mars missions. The modified radiation fluences behind various kinds of Martian rocks and regolith are determined by solving the Boltzmann equation using NASA Langley’s HZETRN code along with the 1977 Solar Minimum galactic cosmic ray environmental model. To make structural shielding composite materials from constituents of the Martian atmosphere and from Martian regolith for Martian surface habit

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2

Oze, Christopher, Joshua Beisel, Edward Dabsys, et al. "Perchlorate and Agriculture on Mars." Soil Systems 5, no. 3 (2021): 37. http://dx.doi.org/10.3390/soilsystems5030037.

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Perchlorate (ClO4−) is globally enriched in Martian regolith at levels commonly toxic to plants. Consequently, perchlorate in Martian regolith presents an obstacle to developing agriculture on Mars. Here, we assess the effect of perchlorate at different concentrations on plant growth and germination, as well as metal release in a simulated Gusev Crater regolith and generic potting soil. The presence of perchlorate was uniformly detrimental to plant growth regardless of growing medium. Plants in potting soil were able to germinate in 1 wt.% perchlorate; however, these plants showed restricted g

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3

Kaksonen, Anna H., Xiao Deng, Christina Morris, Himel Nahreen Khaleque, Luis Zea, and Yosephine Gumulya. "Potential of Acidithiobacillus ferrooxidans to Grow on and Bioleach Metals from Mars and Lunar Regolith Simulants under Simulated Microgravity Conditions." Microorganisms 9, no. 12 (2021): 2416. http://dx.doi.org/10.3390/microorganisms9122416.

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The biomining microbes which extract metals from ores that have been applied in mining processes worldwide hold potential for harnessing space resources. Their cell growth and ability to extract metals from extraterrestrial minerals under microgravity environments, however, remains largely unknown. The present study used the model biomining bacterium Acidithiobacillus ferrooxidans to extract metals from lunar and Martian regolith simulants cultivated in a rotating clinostat with matched controls grown under the influence of terrestrial gravity. Analyses included assessments of final cell count

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4

Harris, Franklin, John Dobbs, David Atkins, James A. Ippolito, and Jane E. Stewart. "Soil fertility interactions with Sinorhizobium-legume symbiosis in a simulated Martian regolith; effects on nitrogen content and plant health." PLOS ONE 16, no. 9 (2021): e0257053. http://dx.doi.org/10.1371/journal.pone.0257053.

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Due to increasing population growth and declining arable land on Earth, astroagriculture will be vital to terraform Martian regolith for settlement. Nodulating plants and their N-fixing symbionts may play a role in increasing Martian soil fertility. On Earth, clover (Melilotus officinalis) forms a symbiotic relationship with the N-fixing bacteria Sinorhizobium meliloti; clover has been previously grown in simulated regolith yet without bacterial inoculation. In this study, we inoculated clover with S. meliloti grown in potting soil and regolith to test the hypothesis that plants grown in regol

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5

Shumway, Andrew O., David C. Catling, and Jonathan D. Toner. "Regolith Inhibits Salt and Ice Crystallization in Mg(ClO₄)₂ Brine, Implying More Persistent and Potentially Habitable Brines on Mars." Planetary Science Journal 4, no. 8 (2023): 143. http://dx.doi.org/10.3847/psj/ace891.

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Abstract On Mars, liquid water may form in regolith when perchlorate salts absorb water vapor and dissolve into brine, or when ice-salt mixtures reach their melting temperature and thaw. Brines created in this way can chemically react with minerals, alter the mechanical properties of regolith, mobilize salts in the soil, and potentially create habitable environments. Although Martian brines would exist in contact with regolith, few studies have investigated how regolith alters the formation and stability of brines at Mars-relevant conditions. To fill this gap, we studied magnesium perchlorate

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6

Sakon, John J., and Robert L. Burnap. "An analysis of potential photosynthetic life on Mars." International Journal of Astrobiology 5, no. 2 (2006): 171–80. http://dx.doi.org/10.1017/s1473550406003144.

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This project researched the possibility of photosynthetic life on Mars. Cyanobacteria were used as potential analogs and were subjected to various Martian-simulated conditions. Synechocystis sp. PCC 6803 was exposed to low pressure, ultraviolet radiation and Martian-simulated atmospheric composition, and proved resistant to the combination of these stresses. However, this organism could neither grow within Martian Regolith Simulant, owing to the lack of soluble nitrogen, nor could it grow in cold temperatures. As a result, later research focused on psychrotolerant cyanobacteria capable of util

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7

Simonsen, L. C., J. E. Nealy, L. W. Townsend, and J. W. Wilson. "Martian regolith as space radiation shielding." Journal of Spacecraft and Rockets 28, no. 1 (1991): 7–8. http://dx.doi.org/10.2514/3.26201.

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8

Seiferlin, Karsten, Pascale Ehrenfreund, James Garry, et al. "Simulating Martian regolith in the laboratory." Planetary and Space Science 56, no. 15 (2008): 2009–25. http://dx.doi.org/10.1016/j.pss.2008.09.017.

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9

Jackiewicz, E., M. Lukasiak, M. Kopcewicz, K. Szpila, and N. Bakun-Czubarow. "Mössbauer study of Martian regolith analogues." Hyperfine Interactions 70, no. 1-4 (1992): 993–96. http://dx.doi.org/10.1007/bf02397495.

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10

Rahim, Abdur, Umair Majeed, Muhammad Irfan Zubair, and Muhammad Shahzad. "WNMS: A New Basaltic Simulant of Mars Regolith." Sustainability 15, no. 18 (2023): 13372. http://dx.doi.org/10.3390/su151813372.

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Анотація:

The use of planetary regolith can be explored via the utilization of simulants. The existing Martian simulants have differences due to varying source materials and design parameters. Additional simulants are needed because the few available simulants do not replicate the compositional diversity of Martian regolith. This study discusses the development of a low-cost construction simulant of Mars. The area of Winder Nai in Pakistan was selected for field sampling of basalt because of local availability and easy access. The dust was produced from rock samples through mechanical crushing and grind

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