Zobrazeno 1 - 10
of 18
pro vyhledávání: '"M Z Abu Bakar"'
Publikováno v:
The Journal of Laryngology & Otology. :1-5
Objective Teachers and singers have been extensively studied and are shown to have a greater tendency to voice disorders. This study aimed to investigate the correlation between subjective and objective voice analysis pre- and post-shift among teleop
Publikováno v:
Bulletin of Engineering Geology and the Environment. 80:1599-1616
LCPC rock abrasiveness test is gaining popularity for quick estimation of rock and soil abrasiveness in the preliminary site exploration stage of tunneling projects. However, there are parameters such as test propeller hardness and testing time, whic
Publikováno v:
INTERNATIONAL CONFERENCE ON TRENDS IN CHEMICAL ENGINEERING 2021 (ICoTRiCE2021).
Publikováno v:
The Journal of laryngology and otology.
ObjectiveKnowledge of anatomical variations of the frontal recess and frontal sinus and recognition of endoscopic landmarks are vital for safe and effective endoscopic sinus surgery. This study revisited an anatomical landmark in the frontal recess t
Publikováno v:
Bulletin of Engineering Geology and the Environment. 79:2561-2577
Abrasivity of rock and soil causes tool wear in excavation or drilling operations, and the presence of sandy gravels stratum also plays a significant role in causing serious damage to the cutting tools. Understanding the wear mechanism is important f
Publikováno v:
Bulletin of Engineering Geology and the Environment. 79:767-787
The current study investigates the wear life of button bits and rate of penetration (ROP) of rotary-percussive drilling machines by employing geotechnical rock properties. According to the research plan, three hydropower projects and six active minin
Autor:
Y. Majeed, M. Z. Abu Bakar
Publikováno v:
Journal of Mining Science. 54:914-930
This study is focused on the evaluation of water saturation influence on the mechanical and physical properties of 34 sedimentary rock units selected from different geological formations in Pakistan. The laboratory testing program comprised the deter
Publikováno v:
Tunnelling and Underground Space Technology. 81:165-175
Various testing methods have been proposed to measure rock abrasiveness as an input into the prediction models for estimating the tool wear in mechanized tunneling and mining. Among the proposed tests, LCPC test has been used by many researchers for
Autor:
Y. Majeed, M. Z. Abu Bakar
Publikováno v:
Quarterly Journal of Engineering Geology and Hydrogeology. 51:365-378
Rock abrasivity is very much influenced by the petrographic and physico-mechanical properties of rock and hence its assessment from common geomechanical rock properties is helpful for rock engineers in estimating excavation costs. In this paper LCPC
Publikováno v:
Journal of Mining Science. 54:270-284
This study discusses the prediction of penetration rate and specific energy of button bit equipped rotary–percussion drilling machines from drill cuttings and geo-mechanical properties of rocks. The operational parameters of drilling machines measu