Results 81 to 90 of about 333 (189)

A Mission Simulating the Search for Life on Mars with Automated Drilling, Sample Handling, and Life Detection Instruments Performed in the Hyperarid Core of the Atacama Desert, Chile. [PDF]

Astrobiology, 2023
Stoker CR, Glass BJ, Stucky TR, Dave AI, Kobayashi LT, Quinn RC, Moreno-Paz M, Sánchez-García L, Mora MF, Kehl F, Parro V, Willis PA, Davila A, Noe Dobrea E, Rask JC, Ricardo D.   +15 more
europepmc   +1 more source

Influence of physico-mechanical characteristics of rocks on efficiency of rotary percussion drilling : master’s thesis [PDF]

, 2015
Na površinskim kopovima „Hruškovec“ i “Straža-Vinceli” obavljena su terenska mjerenja efektivne brzine bušenja minskih bušotina, površinskim bušilicama.
Herceg, Vjekoslav
core  

Structural design and effect analysis on a new type of hydraulic oscillator driven with double valve groups. [PDF]

Sci Rep, 2022
Lingxia H, Qiaolei S, Long D, Yuwei L, Ding F.   +4 more
europepmc   +1 more source

Multiple Endodontic Guides for Root Canal Localization and Preparation in Furcation Perforations: A Report of Two Cases. [PDF]

Iran Endod J, 2023
Shaban A, Elsewify TM, Hassaneina EE.
europepmc   +1 more source

Development of the RANCOR Rotary-Percussive Coring System for Mars Sample Return [PDF]

, 2014
A RANCOR drill was designed to fit a Mars Exploration Rover (MER) class vehicle. The low mass of 3 kg was achieved by using the same actuator for three functions: rotation, percussions, and core break-off.
Paulsen, Gale, Zacny, Kris, Indyk, Stephen   +2 more
core   +1 more source

Reducing industrial noise by the use of damping alloys when manufacturing mining equipment parts. [PDF]

Heliyon, 2023
Batessova F, Omirbay R, Sattarova G, Zholmagambetov N, Zholmagambetov S, Dostayeva A, Suleimenov N, Medeubayev N.   +7 more
europepmc   +1 more source

Guided Endodontic Treatment for Calcified Central Incisor with Discoloration, a Conservative Approach Preserving Incisal Edge: A Case Report. [PDF]

Iran Endod J, 2023
Zargar N, Amiri M.
europepmc   +1 more source

Mission Overview and Scientific Contributions from the Mars Science Laboratory Curiosity Rover After Eight Years of Surface Operations. [PDF]

Space Sci Rev, 2022
Vasavada AR.
europepmc   +1 more source

Evaluation of the Efficacy of Minimal Invasive Methods Versus Conventional Methods for Caries Removal in Primary Molars. [PDF]

Cureus, 2023
Elfeel NM, Aboelmaaty MM, Mostafa MH, El-Sayed SR.   +3 more
europepmc   +1 more source

The use of acoustic emission technique in MWD for mine to mill approach as a smart tool for sustainable mining. [PDF]

Sci Rep
Jalalian MH, Bagherpour R, Khoshouei M.
europepmc   +1 more source