Results 81 to 90 of about 164 (152)

Investigation of Cuttings Transport in a Reverse Circulation Drill Bit during Direction Drilling Using Two-Phase Flow Simulation. [PDF]

ACS Omega
Cui G, Cao P, Wang M, Wang X, Chen D, Qi B.   +5 more
europepmc   +1 more source

Sampling Methods for Luminescence Dating of Subsurface Deposits from Cores. [PDF]

Methods Protoc, 2019
Nelson M, Rittenour T, Cornachione AH.
europepmc   +1 more source

Prediction of jumbo drill penetration rate in underground mines using various machine learning approaches and traditional models. [PDF]

Sci Rep
Heydari S, Hoseinie SH, Bagherpour R.
europepmc   +1 more source

Characterization of geological and lithological features in the area proximal to tritium-contaminated groundwater at the Semipalatinsk test site. [PDF]

PLoS One
Aktayev M, Subbotin S, Aidarkhanov A, Aidarkhanova A, Timonova L, Larionova N.   +5 more
europepmc   +1 more source

Subsurface Microbial Habitats in an Extreme Desert Mars-Analog Environment. [PDF]

Front Microbiol, 2019
Warren-Rhodes KA, Lee KC, Archer SDJ, Cabrol N, Ng-Boyle L, Wettergreen D, Zacny K, Pointing SB, NASA Life in the Atacama Project Team.   +8 more
europepmc   +1 more source

The role of personal risk factors in the occurrence of the hand-arm vibration syndrome: a pooled analysis of individual data from Italian cross-sectional and cohort studies. [PDF]

Int Arch Occup Environ Health
Bovenzi M, Ronchese F, Larese Filon F, Marchetti E, Tirabasso A, Massotti C, Tarabini M.   +6 more
europepmc   +1 more source

Installation Method to Enhance Quality Control for Fiber Reinforced Polymer Spike Anchors. [PDF]

J Vis Exp, 2018
Villanueva-Llauradó P, Fernández-Gómez J, González-Ramos FJ.   +2 more
europepmc   +1 more source

An experimental study of ultrasonic vibration and the penetration of granular material. [PDF]

Proc Math Phys Eng Sci, 2017
Firstbrook D, Worrall K, Timoney R, Suñol F, Gao Y, Harkness P.   +5 more
europepmc   +1 more source

In Situ Geochronology on Mars and the Development of Future Instrumentation. [PDF]

Astrobiology, 2019
Cohen BA, Malespin CA, Farley KA, Martin PE, Cho Y, Mahaffy PR.   +5 more
europepmc   +1 more source

Integrating resource utilization and bioregenerative life support systems for sustainable space exploration. [PDF]

Front Microbiol
Esposito M, Tonietti L, Santomartino R, Giovannelli D, Chianese E, Rotundi A, Romano I, Poli A, Finore I, Cordone A, Di Donato P.   +10 more
europepmc   +1 more source