Results 21 to 30 of about 6,983 (265)

Impulse Air Jet Action on the Convective Heat Exchange Tubular Surfaces in Boilers

open access: yesAerospace, 2022
Calculation and experimental investigations were carried out to determine the parameters of the impulse air jet created by the pneumatic generator of the air-impact system of the cleaning of tubular heat exchangers in boilers.
Valentin Kislovsky, Alexey Melnikov
doaj   +1 more source

Nutritional Quantification and Shelf Life Analysis of Non-thermal Processed Coconut Juice [PDF]

open access: yesE3S Web of Conferences, 2020
Nonthermal processing methods are attracted by many food and beverage industry because it can kill the microbial contamination under mild temperatures used in thermal processing; They can sustain flavours, essential nutrients, and vitamins undergo ...
Kongruang Sasithorn, Kleesuwan Srawut
doaj   +1 more source

Performance Prediction of OWC Type Small Size Wave Power Device with Impulse Turbine

open access: yesJournal of Fluid Science and Technology, 2008
This paper investigates a small size wave power device with an impulse turbine installed in the breakwater near Niigata Port, Japan. The device consists of an air chamber, a turbine, a generator and pressure-relief valves.
Masami SUZUKI   +5 more
doaj   +1 more source

A Compact Avalanche-Transistor-Based Pulse Generator for Transcranial Infrared Light Stimulation (TILS) Experiments

open access: yesInstruments, 2022
A pulse generator using an avalanche transistor operating in current-mode second breakdown driving a 780 nm laser diode is reported. The laser diode is mounted on the skull of a mouse and used in transcranial infrared light stimulation (TILS) experiments.
Abraham Lopez   +4 more
doaj   +1 more source

Impulsivity in the general population: A national study [PDF]

open access: yesJournal of Psychiatric Research, 2012
The construct of impulsivity is an important determinant of personality differences, psychiatric disorders, and associated risk-taking behaviors. Most existing knowledge about impulsivity comes from clinical samples. To date, no study has estimated the prevalence of impulsivity and examined its correlates in the general population.We analyzed data from
Jaime, Chamorro   +6 more
openaire   +2 more sources

PARAMETRIC FREQUENCY GENERATOR ON NONCOLLINEAR MAGNETIC FIELDS

open access: yesNauka ta progres transportu, 2019
Purpose. The article is aimed to study a parametric frequency generator on noncollinear magnetic fields, which performs the functions of a stabilized power source and means of protection against the effects of powerful impulse noises in the form of ...
K. I. Yashchuk   +2 more
doaj   +1 more source

Design of Integrated Hybrid Configuration of Modular Multilevel Converter and Marx Generator to Generate Complex Waveforms for Dielectric Testing of Grid Assets

open access: yesIEEE Open Journal of the Industrial Electronics Society
This article proposes a new configuration of a modular multilevel converter (MMC) and a Marx generator to generate fast-rising impulse waveforms.
Dhanashree Ashok Ganeshpure   +5 more
doaj   +1 more source

Desain dan Pembuatan Resistor Shunt Ohmik Rendah dan Aplikasinya Sebagai Elemen Pengukuran Arus Tinggi Impulse, 8/20𝜇s

open access: yesJurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems), 2013
Dalam penelitian ini dikaji perancangan dan pembuatan resistor shunt ohmik rendah tipe koaksial sangkar bajing. Penelitian dititikberatkan pada pemilihan material dan pembuatannya dengan tujuan mengurangi efek kapasitansi dan induktansi dari resistor ...
Jacob Jonas Rikumahu   +3 more
doaj   +1 more source

Generalized symmetries of impulsive gravitational waves [PDF]

open access: yesClassical and Quantum Gravity, 1997
We generalize previous \cite{AiBa2} work on the classification of ($C^\infty$) symmetries of plane-fronted waves with an impulsive profile. Due to the specific form of the profile it is possible to extend the group of normal-form-preserving diffeomorphisms to include non-smooth transformations.
Aichelburg, Peter C., Balasin, Herbert
openaire   +2 more sources

Comparative Evaluation of Hemodiafiltration, Hemoperfusion, and Standard Hemodialysis on Efficacy, Inflammatory Control, Dialysis Adequacy, and Safety in End‐Stage Renal Disease: A Prospective Observational Study

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Chronic micro‐inflammation in patients with end‐stage renal disease (ESRD) is a significant driver of cardiovascular complications and diminished quality of life. While standard hemodialysis (SHD) effectively manages small‐molecule clearance, its ability to remove medium‐to‐large uremic toxins—the primary catalysts of systemic ...
Hongwei Zuo   +5 more
wiley   +1 more source

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