Results 31 to 40 of about 266,126 (206)

Effects of CuO, TiO2 and graphite microparticles on the heat transfer properties of greases

open access: yesEngineering Science and Technology, an International Journal, 2022
Heavy machinery operating in outdoor environments is exposed to both solar radiation and intensive load-bearing during operation. The long operating life of these machines and their components is enabled by the greases used in their bearings. The thermal
Gokhan Gokdemir   +4 more
doaj   +1 more source

Lithium treatment reduces the renal kallikrein excretion rate [PDF]

open access: yes, 1990
Lithium treatment reduces the renal kallikrein excretion rate. Lithium salts are widely used agents for the prophylactic treatment of affective disorders. Lithium salts may be associated with distal nephron dysfunction.
Marin-Grez, Marcos   +4 more
core   +1 more source

EFFECT OF MAGNETIC FIELD ON FRICTION COEFFICIENT DISPLAYED BY ROLLING BEARINGS [PDF]

open access: yesJournal of the Egyptian Society of Tribology, 2011
The effect of magnetic field and electric current on the friction coefficient displayed by  rolling bearing greased by lithium grease dispersed by solid lubricants such as graphite, molybdenum disulphide, talc and polymeric particles is investigated.
S. Abdel-Sattar, A. Alahmady, W. Y. Ali
doaj   +1 more source

Experimental Determination of the Coefficient of Friction on a Screw Joint

open access: yesApplied Sciences, 2022
This paper deals with the coefficient of determination of screw connection friction between the thread and the matrix. The coefficient of friction was measured using a laboratory device with an M20 screw connection without any grease and, subsequently ...
Jozef Mascenik, Tomas Coranic
doaj   +1 more source

EFFECT OF DISPERSING LITHIUM GREASE BY ALUMINUM OXIDE NANOPARTICLES AND CARBON NANOTUBES [PDF]

open access: yesJournal of the Egyptian Society of Tribology, 2020
The effect of dispersing lithium grease by aluminum oxide (Al2O3) nanoparticles and carbon nanotubes (CNT) on the lubricating properties is discussed. Friction coefficient and wear displayed by the reciprocating sliding of bearing steel ball on aluminum (
A. K. Ameer, W. Y. Ali, N. Elzayady
doaj   +1 more source

Observation of Grease Fluidity in a Ball Bearing Using Neutron Imaging Technology

open access: yesTribology Online, 2021
The grease fluidity and migration inside a ball bearing has been visualized non-destructively by using a neutron imaging technology. It has been clarified that a lithium (Li) complex grease with lower torque lubricates in the channeling state and that a ...
Kazumi Sakai   +4 more
doaj   +1 more source

Electronic Environments and Electrochemical Properties in Lithium Storage Materials [PDF]

open access: yes, 2003
The local electronic environments and energy storage properties of lithium electrodes are investigated through inelastic electron scattering and electrochemical measurements.
Graetz, Jason Allan
core   +1 more source

INFLUENCE OF DISPERSING LITHIUM GREASE BY HYBRID NANO TITANIUM AND SILICON OXIDES ON FRICTION COEFFICIENT [PDF]

open access: yesJournal of the Egyptian Society of Tribology, 2018
This paper examines the influence of dispersing lithium grease by hybrid nano titanium and silicon oxides on friction coefficient. Nano titanium, silicon and hybrid nano oxides at five concentration levels were used to disperse the lithium grease ...
Eman Ahmed   +3 more
doaj   +1 more source

Lithium-induced EEG changes in patients with affective disorders [PDF]

open access: yes, 2000
In 12 patients with affective disorders (ICD-10: F31, F32, F33), EEGs were recorded before and after 4.4 months of lithium treatment. Effects of lithium on the EEG were analyzed by power spectral analysis controlled for vigilance.
Schröter, Andreas   +4 more
core   +1 more source

Effect of temperature on rheological properties of lithium-based magnetorheological grease [PDF]

open access: yes, 2019
© 2019 IOP Publishing Ltd. This paper investigates the impact of temperature on the rheological properties of magnetorheological (MR) grease containing carbonyl iron suspended in lithium-based grease Lithium-based MR grease with 70% weight fraction of ...
Wang, H, Zhang, G, Wang, J, Li, Y
core   +1 more source

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