Results 241 to 250 of about 125,319 (310)

Experimental and Theoretical Investigation on the Progressive Breaking Law of Thick and Hard Rock Strata in Deep Mining

open access: yesEnergy Science &Engineering, EarlyView.
This work reveals the “C‐Y,” double “Y,” “π,” and “Y” fracture modes of thick, hard strata and their progressive breaking process (O‐F‐R/S mode), providing a theoretical basis for controlling strong ground pressure in deep mining. ABSTRACT In response to the dynamic hazards caused by the fracture of thick‐hard strata in deep mining, this study ...
Meilu Yu, Jianping Zuo
wiley   +1 more source

Contralateral orbitopterional approach for anterior skull base meningioma resection. [PDF]

open access: yesNeurosurg Focus Video
Rahmanov S   +4 more
europepmc   +1 more source

Reliability and Degradation Mechanisms of Photovoltaic Modules in Pakistan

open access: yesEnergy Science &Engineering, EarlyView.
Reliability of the PV module. ABSTRACT The number of photovoltaic (PV) installations has grown rapidly in the last 10 years in Pakistan due to the growing electricity demand, the availability of favourable solar resources, and the national renewable energy objectives.
Zafar Ullah Khan   +2 more
wiley   +1 more source

Extensive discohesive melanoma: additional challenges beyond the Breslow Index. [PDF]

open access: yesAn Bras Dermatol
Quintella DC   +4 more
europepmc   +1 more source

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