Results 121 to 130 of about 2,570 (205)

Percussion rock drills [PDF]

open access: yesJournal of the Franklin Institute, 1881
openaire   +1 more source

Life Detection and Microbial Biomarker Profiling with Signs of Life Detector-Life Detector Chip During a Mars Drilling Simulation Campaign in the Hyperarid Core of the Atacama Desert. [PDF]

open access: yesAstrobiology, 2023
Moreno-Paz M   +14 more
europepmc   +1 more source

Optimization of PDC Cutter for Percussive Drilling in Deep Highly-Abrasive Strata in the East China Sea Basin

open access: yesShiyou jixie
The problems of low rate of penetration(ROP),easy wear of PDC cutters and small single-bit footage are becoming increasingly prominent in the deep strata of the East China Sea Basin.
Li Jiwei   +5 more
doaj  

Microgravity Drill and Anchor System [PDF]

open access: yes
This work is a method to drill into a rock surface regardless of the gravitational field or orientation. The required weight-on-bit (WOB) is supplied by a self-contained anchoring mechanism. The system includes a rotary percussive coring drill, forming a
Frost, Matthew A.   +2 more
core   +1 more source

Few-Shot Emergency Siren Detection. [PDF]

open access: yesSensors (Basel), 2022
Cantarini M, Gabrielli L, Squartini S.
europepmc   +1 more source

Lightweight Low Force Rotary Percussive Coring Tool for Planetary Applications [PDF]

open access: yes
A prototype low-force rotary-percussive rock coring tool for use in acquiring samples for geological surveys in future planetary missions was developed.
Hironaka, Ross, Stanley, Scott
core   +1 more source

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