Results 101 to 110 of about 333 (189)

Studies on Rotary-Percussive Drilling (2nd Report)

Journal of the Mining Institute of Japan, 1959
Masao TANAKA, Kazuo ASO
openaire   +2 more sources

Simulation and experimental research on drilling and rock breaking mechanisms of anchor drill rigs with analysis of drilling feedback signals. [PDF]

Sci Rep
Wang XH, Zhao ZQ, Jing W.
europepmc   +1 more source

Tracing the origins of Carnelian ornaments in Northeast Africa: morphological, technological and chemical compositional analyses of beads from medieval and post-medieval upper Nubia, Sudan. [PDF]

Archaeol Anthropol Sci
Kenoyer JM, Then-Obłuska J, Law R, Dussubieux L.   +3 more
europepmc   +1 more source

A Survey of Recent Patents in Engineering Technology for the Screening, Separation and Processing of Eggshell. [PDF]

Front Bioeng Biotechnol, 2021
Ahmed TAE, Younes M, Wu L, Hincke MT.
europepmc   +1 more source

Laser Beam Drilling of Inconel 718 and Its Effect on Mechanical Properties Determined by Static Uniaxial Tensile Testing at Room and Elevated Temperatures. [PDF]

Materials (Basel), 2021
Petrů J, Pagáč M, Grepl M.
europepmc   +1 more source

Guided Endodontic Technique in Mandibular Incisors with Pulp Canal Obliteration: A Case Report. [PDF]

Iran Endod J
Nabavi S, Latifian E.
europepmc   +1 more source

Navigating Calcified Challenges: Guided Endodontic Treatment of a Maxillary Central Incisor. [PDF]

Clin Case Rep
Nabavi S, Navabi S, Shiezadeh I, JamaliMotlagh S.   +3 more
europepmc   +1 more source

Evidence for a Diagenetic Origin of Vera Rubin Ridge, Gale Crater, Mars: Summary and Synthesis of Curiosity's Exploration Campaign. [PDF]

J Geophys Res Planets, 2020
Fraeman AA, Edgar LA, Rampe EB, Thompson LM, Frydenvang J, Fedo CM, Catalano JG, Dietrich WE, Gabriel TSJ, Vasavada AR, Grotzinger JP, L'Haridon J, Mangold N, Sun VZ, House CH, Bryk AB, Hardgrove C, Czarnecki S, Stack KM, Morris RV, Arvidson RE, Banham SG, Bennett KA, Bridges JC, Edwards CS, Fischer WW, Fox VK, Gupta S, Horgan BHN, Jacob SR, Johnson JR, Johnson SS, Rubin DM, Salvatore MR, Schwenzer SP, Siebach KL, Stein NT, Turner SMR, Wellington DF, Wiens RC, Williams AJ, David G, Wong GM.   +42 more
europepmc   +1 more source

Bow-and-arrow, technology of the first modern humans in Europe 54,000 years ago at Mandrin, France. [PDF]

Sci Adv, 2023
Metz L, Lewis JE, Slimak L.
europepmc   +1 more source

Guided Removal of Long and Short Fiber Posts Using Endodontic Static Guides: A Case Report. [PDF]

Clin Case Rep
Shafagh S, Adel M, Sabzpai A.
europepmc   +1 more source