Results 21 to 30 of about 2,153,594 (310)

Multi-objective Optimization of the Bionic Blade in the Multi-blade Centrifugal Fan for Electric Vehicles Application Based on an Orthogonal Test [PDF]

open access: yesJournal of Applied Fluid Mechanics
The multi-blade centrifugal fan, whose aeroacoustic properties significantly affect the noise, vibration and harshness performance of electric vehicles, is an important part of the automotive air conditioning system.
J. Tang   +5 more
doaj   +1 more source

Blood pressure lowering effects of beetroot juice and novel beetroot enriched bread products in normotensive male subjects [PDF]

open access: yes, 2012
A number of vegetables have a high nitrate content which after ingestion can be reduced to 36 nitrite by oral bacteria, and further to vasoprotective nitric oxide endogenously.
Kaffa, Nedi   +9 more
core   +1 more source

Oligopoly price discrimination, competitive pressure and total output

open access: yesEconomics: Journal Articles, 2019
This paper extends the traditional analysis of the output effect under monopoly (third-degree) price discrimination to a multimarket oligopoly. The author shows that under oligopoly price discrimination, differences in competitive pressure, measured by ...
Iñaki Aguirre
doaj   +2 more sources

Investigation of the regularities of vortical flows in a cyclone-bed chamber

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2018
Experimental investigation of the radial distributions of tangential and longitudinal velocities, total and static pressures in the vortex zone of a cyclone-bed chamber of diameter 0.21 m has been carried out.
E. A. Pitsukha   +2 more
doaj   +1 more source

Study on Aerodynamic Design of the Front Auxiliary Inlet

open access: yesAerospace, 2023
Submerged inlets have been widely used in advanced aircraft due to their excellent stealth characteristics, but they also suffer from poor aerodynamic performance.
Junyao Zhang, Hao Zhan, Baigang Mi
doaj   +1 more source

Pressure ulcer related pain in community populations: a prevalence survey. [PDF]

open access: yes, 2014
BACKGROUND: Pressure ulcers are costly to the healthcare provider and can have a major impact on patient's quality of life. One of the most distressing symptoms reported is pain.
McGinnis, Elizabeth   +33 more
core   +1 more source

The prevalence of pain at pressure areas and pressure ulcers in hospitalised patients. [PDF]

open access: yes, 2013
Background: Patients with pressure ulcers (PUs) report that pain is their most distressing symptom, but there are few PU pain prevalence studies. We sought to estimate the prevalence of unattributed pressure area related pain (UPAR pain) which was ...
Rivers, Carly   +36 more
core   +1 more source

Total Site Heat Integration Considering Pressure Drops

open access: yesEnergies, 2015
Pressure drop is an important consideration in Total Site Heat Integration (TSHI). This is due to the typically large distances between the different plants and the flow across plant elevations and equipment, including heat exchangers.
Kew Hong Chew   +4 more
doaj   +1 more source

Frustrated Total Internal Reflection Measurement System for Pilot Inceptor Grip Pressure

open access: yesSensors, 2023
Sensing the interaction between the pilot and the control inceptors can provide important information about the pilot’s activity during flight, potentially enabling the objective measurement of the pilot workload, the application of preventive actions ...
Andrea Zanoni   +3 more
doaj   +1 more source

Cyclic Variation of Residual (CO2 + H2O) and Total Pressure in Conifer Stem and Woody Root Tree Rings [PDF]

open access: yesЖурнал Сибирского федерального университета: Серия Биология, 2018
Tree-ring chronologies of stem discs and core samples have been widely used to reconstruct the climatic conditions of tree growth. However, insufficient attention has been given to the fact that root and stem wood accumulate biogenic gases, whose ...
Boris G. Ageev   +2 more
doaj  

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