Results 151 to 160 of about 485,064 (256)

Health and Safety Risk Mitigation among Artisanal and Small-Scale Gold Miners in Zimbabwe. [PDF]

open access: yesInt J Environ Res Public Health, 2022
Singo J   +6 more
europepmc   +1 more source

On Leonard Control applied to Mine-Hoist

open access: yesOn Leonard Control applied to Mine-Hoist
In this study, the general equations of resisting moment of hoist are given; the economical relation between acceleration and retardation may be found from equations [60], [61] and [62]. Taking iron losses into account, the capacity of the hoist motor may be determined, though with some difficulty, from equation [65].
openaire  

Accidents, Injuries, and Safety among Artisanal and Small-Scale Gold Miners in Zimbabwe. [PDF]

open access: yesInt J Environ Res Public Health, 2022
Singo J   +5 more
europepmc   +1 more source

Pneumatic Separation Complex “Sepair” [PDF]

open access: yes, 2013
Beskrovnaya, Anna   +2 more
core  

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