Results 41 to 50 of about 1,544 (211)

The sound of geological targets on Mars from the absolute intensity of laser-induced sparks shock waves [PDF]

open access: yes, 2023
Inspection of geological material is one of the main goals of the Perseverance rover during its journey across the landscape of the Jezero crater in Mars.
Angel, S.M.   +35 more
core   +1 more source

Аналоги гребешковой кожи и папиллярных узоров в природе и значение их изучения для криминалистики и судебной экспертизы [PDF]

open access: yes, 2022
Patterns similar to the papillary patterns of human fingers, palms, and soles can be found in living and inanimate nature. Studying such patterns and the structure of the ridged skin of humans and primates in comparison with similar formations on other ...
Sh. N. Khaziev, Ш. Н. Хазиев
core   +4 more sources

Using Tianwen-1 Differential One-way Range Signals to Probe Corotating Interaction Regions: Case Studies

open access: yesThe Astrophysical Journal, 2023
The study reports the first detection of corotating interaction regions (CIRs) in the solar wind by the differential one-way range (DOR) signals transmitted by Tianwen-1. Differential phase delay is calculated for the DOR signals. Variations of the total
Qingbao He   +4 more
doaj   +1 more source

Latest Research Development in Histone Acetylation in the Pathogenesis of Asthma [PDF]

open access: yesZhongguo quanke yixue, 2022
Asthma is primarily marked by airway hyperresponsiveness, inflammation, and remodeling. Histone acetylation is one of the most common epigenetic modifications that regulates histone acetyltransferase and histone deacetylase, and imbalanced regulation may
CHEN Shaopeng, ZENG Minjuan, LAI Tianwen
doaj   +1 more source

Progress and prospects for research on Martian topographic features and typical landform identification [PDF]

open access: yes, 2023
The study of Martian surface topography is important for understanding the geological evolution of Mars and revealing the spatial differentiation of the Martian landscape.
Danyang Liu   +5 more
core   +1 more source

The Dielectric Properties of Martian Regolith at the Tianwen‐1 Landing Site

open access: yesGeophysical Research Letters, 2023
Mars' surface is characterized by a weathered layer of regolith and exposed rock exposures that are the results of long‐term geological processes. The Mars Rover Penetrating Radar (RoPeR) on board the Zhurong rover of China's first Mars mission (Tianwen ...
Ling Zhang   +5 more
doaj   +1 more source

Martian Lava Tube Exploration Using Jumping Legged Robots: A Concept Study [PDF]

open access: yes, 2023
In recent years, robotic exploration has become increasingly important in planetary exploration. One area of particular interest for exploration is Martian lava tubes, which have several distinct features of interest.
Alexis, Kostas, Olsen, Jørgen Anker
core   +2 more sources

\u3ci\u3eCapturing Quarantine: Student Pandemic Experience\u3c/i\u3e Journal [PDF]

open access: yes, 2021
Journal entries submitted by the Public History 2021 summer session class at Columbia College Chicago reflecting on aspects of the global pandemic from the student perspective commenting on their personal pandemic timeline and the other is an essay about
Chen, Yulin
core   +1 more source

Absolute beam monitor: A novel laboratory device for neutral beam calibration. [PDF]

open access: yes, 2022
Instruments recording Energetic Neutral Atoms (ENAs) for space applications require thorough laboratory calibration in a dedicated test facility providing a neutral atom beam. Accurate knowledge of the neutral beam intensity and energy is central for the
Galli, André   +2 more
core   +1 more source

Tianwen-1 and MAVEN Observations of the Response of Mars to an Interplanetary Coronal Mass Ejection

open access: yesThe Astrophysical Journal, 2023
Interplanetary coronal mass ejections (ICMEs) are solar transients that have significant effects on the upper atmosphere and ionosphere of Mars. The simultaneous spacecraft observations from Tianwen-1/MOMAG in solar wind and multiple instruments on board
Bingkun Yu   +24 more
doaj   +1 more source

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