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Intraocular pressure fluctuation: Is it important? [PDF]

open access: yesJournal of Ophthalmic & Vision Research, 2018
Elevated intraocular pressure (IOP) is a major risk factor for the development and progression of glaucoma. Previous prospective, randomized, long-term studies have demonstrated the strength of IOP reduction in slowing the progression of disease.
Ji Hyun Kim, Joseph Caprioli
doaj   +10 more sources

Intraocular pressure fluctuation during resistance exercise [PDF]

open access: yesBMJ Open Ophthalmology, 2021
Objective To evaluate the effect of weightlifting (leg press) on intraocular pressure (IOP).Design Prospective cohort study.Subjects A total of 24 participants met the inclusion criteria and completed the study procedures. Participants had an average age
Rachael L Niederer   +7 more
doaj   +6 more sources

Exploring the mechanism of improving the pressure fluctuation of double suction centrifugal pump by impeller stagger [PDF]

open access: yesScience Progress
Background The pressure fluctuation in the volute can be effectively reduced when the impeller of the double-suction pump is staggered, but the mechanism of this reduction is still unclear. At the same time, the traditional analysis method cannot realize
Qiang Liu   +4 more
doaj   +2 more sources

Intraocular Pressure Fluctuation Throughout the Day. [PDF]

open access: yesCureus, 2023
Purpose To compare intraocular pressure (IOP) values at different time points, both in the total sample and according to iridocorneal angle aperture, to assess whether IOP fluctuations were constant throughout the day, and to examine correlations with other factors.
Noya-Padin V   +5 more
europepmc   +4 more sources

Fluctuation pressure of a stack of membranes [PDF]

open access: yesPhysical Review E, 2001
We calculate the universal pressure constants of a stack of N membranes between walls by strong-coupling theory. The results are in very good agreement with values from Monte-Carlo simulations.
Bachmann, Michael   +2 more
openaire   +4 more sources

Research on the influence of production fluctuation of high-production gas well on service security of tubing string

open access: yesOil & Gas Science and Technology, 2021
The production of high temperature and high pressure gas wells fluctuates with time, which makes the pressure in the string fluctuate obviously and affects the service security of tubing string. In this paper, a pressure fluctuation model of the complete
Zhang Zhi   +5 more
doaj   +1 more source

Numerical Study of Unsteady Pressure Fluctuation at Impeller Outlet of a Centrifugal Pump

open access: yesScience and Technology of Nuclear Installations, 2022
Intense fluid-dynamic interaction at the impeller outlet strongly affects the unsteady flow and pressure stability within the centrifugal pump. In order to have a better understanding of the pressure fluctuation of centrifugal pumps, a numerical ...
Xiaojie Ma   +3 more
doaj   +1 more source

Pressure Fluctuation near the Limiting Characteristics in a Sonic Flow around NACA0012 Airfoil

open access: yesFluids, 2022
Pressure fluctuation for flow around an airfoil has been well studied for subsonic, transonic and supersonic flows. In this paper, the sonic flow case is studied using a NACA0012 airfoil.
Lei Zhang, Zi-Niu Wu
doaj   +1 more source

Fluctuating shells under pressure [PDF]

open access: yesProceedings of the National Academy of Sciences, 2012
Thermal fluctuations strongly modify the large length-scale elastic behavior of cross-linked membranes, giving rise to scale-dependent elastic moduli. Whereas thermal effects in flat membranes are well understood, many natural and artificial microstructures are modeled as thin elastic shells.
Paulose, Jayson   +3 more
openaire   +3 more sources

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