Results 11 to 20 of about 48,157 (176)

Round and Round [PDF]

open access: yesJournal of General Internal Medicine, 2010
I know all about vertigo. As a primary care doctor who cares for myriad elderly patients, I treat dizziness all the time. I can distinguish between central and peripheral causes, I know when it’s benign and when it’s concerning, I can recite the pathophysiology of the disorder, I know when to use meclizine and can skillfully instruct people in ...
  +5 more sources

Separation Of Non-Periodic And Periodic 2D Profile Features Using B-Spline Functions

open access: yesMetrology and Measurement Systems, 2015
The form, waviness and roughness components of a measured profile are separated by means of digital filters. The aim of analysis was to develop an algorithm for one-dimensional filtering of profiles using approximation by means of B-splines.
Janecki Dariusz   +2 more
doaj   +1 more source

Study on the Influence of Aggregate Roundness of Reclaimed Asphalt Mixture on Its Road Performance

open access: yesBuildings, 2023
The utilization of reclaimed asphalt mixture, which combines old asphalt reclaimed material (RAP) with new aggregate, holds significant environmental benefits.
Qigui Yi, Nan Ru, Zhaoting Liu
doaj   +1 more source

A Magnetic Abrasive Finishing Process with an Auxiliary Magnetic Machining Tool for the Internal Surface Finishing of a Thick-Walled Tube

open access: yesMachines, 2022
This paper proposes a novel magnetic abrasive finishing (MAF) process that uses an auxiliary magnetic machining tool for the internal surface finishing of a thick-walled tube.
Yanzhen Yang   +7 more
doaj   +1 more source

Wet granulation in laboratory-scale high shear mixers: Effect of chopper presence, design and impeller speed [PDF]

open access: yes, 2011
The effect of the main means of agitation in a high shear mixer has been investigated in this study. Granulation runs have been performed on a fine cohesive microcrystalline cellulose powder (Avicel 105, d50 = 20 μm) often used as a pharmaceutical ...
Chitu, Toma Mihai   +2 more
core   +3 more sources

A newly conceived cylinder measuring machine and methods that eliminate the spindle errors [PDF]

open access: yes, 2012
Advanced manufacturing processes require improving dimensional metrology applications to reach a nanometric accuracy level. Such measurements may be carried out using conventional highly accurate roundness measuring machines.
DAMAK, Mohamed   +4 more
core   +13 more sources

Simulation of Roundness, Hardness and Microstructure of Bearing Rings with Thin Cross Sections by Using Sysweld

open access: yesCommunications, 2014
The roller bearing is a component which helps to reduce friction on relative rotational or sliding movements of the machine parts. Nowadays, there are many kinds of rolling bearings whose production is constantly improving due to increasing demands on ...
Peter Fabian   +2 more
doaj   +1 more source

Modelling the Effect of Process Parameters on the Wet Extrusion and Spheronisation of High-Loaded Nicotinamide Pellets Using a Quality by Design Approach [PDF]

open access: yes, 2019
Open access articleThe aim of the present study was to develop an alternative process to spray granulation in order to prepare high loaded spherical nicotinamide (NAM) pellets by wet extrusion and spheronisation.
Keppler, Julia K   +4 more
core   +2 more sources

Ancient Aeolian Reservoirs of the East Siberia Craton

open access: yesGeosciences, 2023
Fine-grained strata deposited on the Eastern Siberian craton are predominantly considered to mainly consist of Neoproterozoic sandstones. Clastic rocks near the unconformity border of the Ediacaran and the Riphean are represented by sandstone and ...
Michail V. Shaldybin   +4 more
doaj   +1 more source

The effects of lapping load in finishing advanced ceramic balls on a novel eccentric lapping machine [PDF]

open access: yes, 2005
HIPed (Hot Isostatically Pressed) silicon nitride ball blanks were lapped from diameter 13.255 mm to diameter 12.7 mm by a novel eccentric lapping machine. A maximum material removal rate of 68 μm/hour has been achieved under a nominal lapping load of 43
Hadfield, M, Kang, J
core   +1 more source

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