Results 21 to 30 of about 8,973,493 (300)

Generalized Oberst beam method for measuring viscoelastic parameters of layered composite components

open access: yesArchives of Mechanics, 2023
This paper proposes two new methods of measuring the viscoelastic parameters of materials. The methods are based on the composite beams' resonant frequencies measurement. The Young moduli and loss factors of the components are determined by measuring the
A. Dobrucki   +3 more
doaj   +1 more source

Perinatal Loss: Socioeconomic Factors [PDF]

open access: yesJOGN Nursing, 1977
The author concludes that advances in the technology of medical care to women in their reproductive years have outstripped the progress toward elimination of factors which place mothers at social risk. Maternal and child health professionals must become actively involved in the development of legislation and policies which address the relationship ...
openaire   +3 more sources

Dielectric properties of hops - an effect of bulk density

open access: yesResearch in Agricultural Engineering, 2017
Continuous detection of basic physical properties of freshly picked and cleaned wet hop cones would be very helpful for better control and automation of harvesting processes.
Jakub Lev, František Kumhála
doaj   +1 more source

Providing Solutions to the Financial-Economic Challenges of Implementing Takaful in Iran [PDF]

open access: yesتحقیقات مالی اسلامی (پیوسته)
1. Introduction and ObjectiveTakaful, as a Sharia-compliant alternative to conventional insurance, has experienced significant growth across Islamic countries over recent decades.
Mohammad Mahdi Askari   +3 more
doaj   +1 more source

Properties of self-adhesive polyborosiloxane composite

open access: yesJournal of Aeronautical Materials, 2023
Polyborosiloxane(PBS) is a supramolecular material, the material itself has a physical cross-linked network structure, and has the characteristics of high and low temperature resistance, weather resistance, electrical insulation and self-healing. However,
SHANG Xujing   +5 more
doaj   +1 more source

Benefattori dall’aldilà: i lasciti per i lavori edilizi di pubblica utilità a Bologna (secoli XIII e XIV)

open access: yes, 2021
La trattazione riguarda i benefattori, i donatori che hanno deciso a Bologna di contribuire al bene comune non tramite le tradizionali istituzioni caritatevoli, quali ospedali, conventi e monasteri, ma anche attraverso l’investimento dei loro beni nel ...
Edward Loss
core   +1 more source

Traffic capacity improvement factor when VAMOS technique is applied [PDF]

open access: yesTehnika, 2021
New modern technologies in mobile telephony overcome the possibilities of GSM systems. VAMOS technique is one way to improve traffic properties of traditional GSM systems.
Matić Vladimir S.   +4 more
doaj   +1 more source

Introduzione. Donatori, istituzioni e comunità

open access: yes, 2021
Il saggio esamina criticamente il tema oggetto del volume collettaneo: i benefattori, le motivazioni e le strategie del dare fra Medioevo e prima Età contemporanea.
Edward, Loss, Mauro, Carboni
core   +1 more source

Study on Stator and Rotor Coupling of Positive Displacement Motor

open access: yesShiyou jixie, 2022
The application of high-filled stator rubber and the improvement of rotor surface treatment quality greatly extend the service life of positive displacement motor(PDM).In order to enhance the coordination of high-filled PDM,the kinematic model of stator ...
Zhang Honglin   +5 more
doaj  

Association of Nutritional Factors with Hearing Loss [PDF]

open access: yesNutrients, 2019
Hearing loss (HL) is a major public health problem. Nutritional factors can affect a variety of diseases, such as HL, in humans. Thus far, several studies have evaluated the association between nutrition and hearing. These studies found that the incidence of HL was increased with the lack of single micro-nutrients such as vitamins A, B, C, D and E, and
Su Young Jung   +2 more
openaire   +2 more sources

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