Results 21 to 30 of about 201,620 (299)

Prioritizing Agricultural Services and Identifying Effective Factors on Serving in Guilan Agricultural Jihad Centers [PDF]

open access: yesRāhburdhā-yi tusi̒ah-i rūstāyī, 2015
In order to identify different agricultural services, by correlation-descriptive method, the present study attempts to prioritize demands of villagers for agricultural services, determine the role of effective factors on serving villagers through ...
Mohammad Karim Motamd   +2 more
doaj   +1 more source

THE «ALTERNATIVE» MEANS OF USAGE OF SCIENTIFIC INSTRUMENTS IN RUSSIA OF THE 18TH CENTURY

open access: yesВестник Брянского государственного университета, 2021
The 18th century was marked by the appearance of a great number of unusual objects in Russia. Besides military ships, wardrobes and beds, wigs and Holland-fashioned suites they were all kinds of scientific instruments – compasses, astrolabes, sundials ...
Lupanova Ye.M.
doaj   +1 more source

Plataforma para la determinación de reactancias de eje directo transitoria y subtransitoria de máquinas síncronas

open access: yesMundo Fesc, 2021
This article deals with the design and implementation of a platform using sensors and a data acquisition card that allows the visualization of variables in real time and the acquisition of parameters from tests applied to synchronous machines in a ...
Emerson Joal Ortiz-Castillo   +4 more
doaj   +1 more source

Eros, Thanatos, Technè

open access: yesMethodos, 2015
This paper aims to point out the ambivalence of machine in Jarry’s fictional novel. Machines are both exploited as instruments of human desire’s satisfaction and considered as potentially destructive. This ambivalence provides the frame of the narrative,
Philippe Sabot
doaj   +1 more source

Instrumentation and machines for dynamic tests [PDF]

open access: yesJournal of Applied Polymer Science, 1960
AbstractIt has been shown that use of wide‐band instrumentation in dynamic mechanical measurements can reveal the presence of high‐frequency ringing and other mechanical defects in the wave form. The use of low‐pass filters to suppress electrical noise can hide such defects. It is therefore better to eliminate the electrical noise at the source. If the
Howard A. Scheetz   +2 more
openaire   +1 more source

Review of FieldWorker Advanced 2.3.5 and FieldWorker Pro 0.91 [Software]

open access: yesInternet Archaeology, 1997
Until quite recently, field data recording directly into a hand-held computer has been a minority practice in archaeology. This is equally true of many other field-based disciplines and professions.
Nick Ryan, Jason Pascoe, David Morse
doaj   +1 more source

Selenium: An Antioxidant with a Critical Role in Anti-Aging

open access: yesMolecules, 2022
Aging is characterized by an imbalance between damage inflicted by reactive oxygen species (ROS) and the antioxidative defenses of the organism. As a significant nutritional factor, the trace element selenium (Se) may remodel gradual and spontaneous ...
Geir Bjørklund   +6 more
doaj   +1 more source

Flexible Sample Environments for the Investigation of Soft Matter at the European Spallation Source: Part III—The Macroscopic Foam Cell

open access: yesApplied Sciences, 2021
The European Spallation Source (ESS), which is under construction in Lund (Sweden), will be the leading and most brilliant neutron source and aims at starting user operation at the end of 2023.
Matthias Kühnhammer   +14 more
doaj   +1 more source

DAQBroker - A general purpose instrument monitoring framework [PDF]

open access: yesEPJ Web of Conferences, 2019
The current scientific environment has experimentalists and system administrators allocating large amounts of time for data access, parsing and gathering as well as instrument management. This is a growing challenge since there is an increasing number of
Dias António   +3 more
doaj   +1 more source

New challenges and opportunities for low-field MRI

open access: yesJournal of Magnetic Resonance Open, 2023
In this manuscript we deal with recent advances in low-field Magnetic Resonance Imaging (MRI). The development of low-cost MRI solutions allowing portability and trustable diagnosis is a hot topic worldwide by these days.
Esteban Anoardo, Gonzalo G. Rodriguez
doaj   +1 more source

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