Results 1 to 10 of about 7,100,026 (283)

A reliability-operational analysis of a track-side CCTV cabinet taking into account interference [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2021
The paper presents issues associated with the impact of electromagnetic interference on track-side cabinets of a closed-circuit television system (CCTV) functioning in a railway transport environment.
Jacek Paś   +2 more
doaj   +1 more source

Impact of gear rim narrowing angle on the temperature and sound pressure of Beveloid gear pair made of polymeric materials [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2021
The paper contains a description of the geometry of Beveloid gears. It describes the distribution of forces in a Beveloid gear with a straight tooth line and a helical tooth line. The paper presents research on the experimentally determined parameters of
Piotr Strojny
doaj   +1 more source

Herpetological diversity in Calakmul, Campeche, Mexico: species list with new distribution notes

open access: yesRevista Mexicana de Biodiversidad, 2022
The herpetofauna occurring in the Selva Maya is one of the richest assemblages in the Americas. 
José António L. Barão-Nóbrega   +7 more
doaj   +1 more source

Modeling of housing stock sustainable reproduction and programs of renovation [PDF]

open access: yesE3S Web of Conferences, 2023
The existing problems of unsatisfactory functioning of the housing and communal urban economy require additional efforts to ensure its sustainable operation at all stages of the life cycle of its reproduction, especially at the phase of operation of the ...
Kulakov Kirill   +2 more
doaj   +1 more source

Amphibians and reptiles of the Calakmul Biosphere Reserve, México, with new records [PDF]

open access: yesCheck List, 2015
We provide a list of amphibians and reptiles of the Calakmul Biosphere Reserve in the southern half of the Mexican Yucatan, in the state of Campeche. The study area was sampled through opportunistic, transect and pitfall trap surveys conducted for three ...
Timothy Colston   +11 more
doaj   +3 more sources

The effect of short-term preoperative nutritional intervention for cleft surgery eligibility

open access: yesBMC Nutrition, 2023
Background Children with orofacial clefts are highly susceptible to malnutrition, with severe malnutrition restricting their eligibility to receive safe surgery.
Shady Mikhail   +13 more
doaj   +1 more source

Unruptured Pseudoaneurysm of Cystic Artery: A Case Report [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2023
Cystic Artery Pseudoaneurysm (CAP) is a rare, abnormal dilation of the artery supplying the gallbladder. The main causes could be acute cholecystitis and iatrogenic injury during cholecystectomy.
Ajay Rajyaguru   +3 more
doaj   +1 more source

THE TECHNICAL CONDITION OF THE VEHICLES AND ITS CHANGES DURING OPERATION

open access: yesInternational Journal of Advanced Studies, 2021
The article is devoted to the study and analysis of changes in the technical condition of cars during use. The well-known issues related to the operation of vehicles and factors caused by the operation of components and mechanisms and their impact on ...
Vera A. Zotova   +2 more
doaj   +1 more source

Organization as a process function of an operation project [PDF]

open access: yesВојно дело, 2014
Management considers activities in the operation management as projects and enables the objective to be efficiently and effectively achieved, which requires a scientific approach both to the operation as a complex project and to the management of these ...
Slavković Rade, Jelić Mile
doaj   +1 more source

Criteria and models of operation cost projecting [PDF]

open access: yesВојно дело, 2014
The operation cost projecting is a major challenge of the project management. Also, modeling is an irreplaceable method when seeking to project an effective and efficient operation using the cost estimate.
Đorđević Vojislav, Gajić Miloš
doaj   +1 more source

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