Results 241 to 250 of about 1,504,519 (328)

Experimental study on the performance and mechanism of high-pressure abrasive water jet cutting GFRP bars reinforced concrete structures. [PDF]

Sci Rep
Xu J, Yu H, Huang C, Li B, Liu B, Qiu J, Wang J.   +6 more
europepmc   +1 more source

Under the Shade of a Coolabah Tree: A Second Cache of Tulas From the Boulia District, Western Queensland

Archaeology in Oceania, EarlyView.
ABSTRACT This paper reports on the excavation of a cache of stone artefacts, buried on the bank of a waterhole or ‘billabong’ in central western Queensland. This is an extremely rare find, and yet it is the second such site to be reported within less than a 10 km radius.
Yinika L. Perston, Lynley A. Wallis, Heather Burke, Lorna Bogdanek, Trevina Rogers, Justine Kemp   +5 more
wiley   +1 more source

Predicting porosity in tight sandstone reservoirs based on logging while drilling engineering parameters. [PDF]

Sci Rep
Xue D, Zhang L, Liu Z, Li H, Li J, Jiang C.   +5 more
europepmc   +1 more source

Pore Evolution Mechanism in Granite during Ultrasonic Vibration-Assisted Penetration by a Disc Cutter. [PDF]

ACS Omega
Ma X, Han J.
europepmc   +1 more source

Numerical analysis on the drilling force of pneumatic impactors under different working conditions and structural parameters. [PDF]

Sci Rep
Li D, Tong L, Huang Z, Xu X, Wang S, Mao J, Zhu H, Deng Y, Chen X.   +8 more
europepmc   +1 more source

Study on the coupling mechanism of nozzle structure-cavitation impact under submerged environment. [PDF]

Ultrason Sonochem
Li X, Cheng X, Hou W, Fan S, Guo X, Lei X, Fang Z, Chen Y.   +7 more
europepmc   +1 more source

Research on the type and expansion mechanism of internal cracks in rocks under the action of PDC. [PDF]

Sci Rep
Liang Y, Du B, Ren J, Feng S.
europepmc   +1 more source

Research on the failure law and actual measurement of floor in extremely close distance thick coal seam mining. [PDF]

Sci Rep
Deng Y, Pan W, Ma C, Liu S, Zhao Z, Deng C, Li M.   +6 more
europepmc   +1 more source