Results 1 to 10 of about 2,243,337 (343)

Experimental Analysis to Enhance the Performance of Shell and Tube Exchanger With Ribs [PDF]

open access: yesE3S Web of Conferences, 2023
Heat transfer has always been a significantly interesting topic with an eye towards developing highly efficient, inexpensive & light weight Heat Exchangers. This project is about enhancement of heat transfer through ribs. Ribs are an efficient & economic
Rambabu Palivela   +3 more
doaj   +1 more source

A new species of Phalotris (Serpentes, Colubridae, Elapomorphini) from Paraguay [PDF]

open access: yesZoosystematics and Evolution, 2022
A new species of Phalotris from the nasutus group, Phalotris shawnella sp. nov., is described. It can be distinguished from the other members of the group by having the following combination of characters: 1) fifth supralabial in contact with parietal, 2)
Paul Smith   +2 more
doaj   +3 more sources

A record of diurnal birth and placentophagia in an urban-dwelling female black and gold howler monkey (Alouatta caraya, Primates: Atelidae) in the City of Pilar, south-west Paraguay

open access: yesMammalogy Notes, 2023
Placentophagia, the postpartum consumption of the afterbirth by a mother, is widespread among eutherian mammals and linked to both endocrinological and ecological advantages.
Rachel V. Taylor   +3 more
doaj   +1 more source

Métodos ergonómicos observacionales para la evaluación del riesgo biomecánico asociado a desordenes musculoesqueléticos de miembros superiores en trabajadores 2014-2019

open access: yesRevista Colombiana de Salud Ocupacional, 2021
Introducción: Debido a los avances en tecnología y a la preocupación por mejorar las condiciones laborales de los trabajadores, se han desarrollado métodos de evaluación observacionales (MEO) para la evaluación del riesgo biomecánico (ERB) asociado a ...
Sara Patricia Angulo Martínez   +3 more
doaj   +1 more source

Re-dressing the balance: Winckelmann, Greek costume and the Ideal [PDF]

open access: yesJournal of Art Historiography, 2021
The paper explores the overlooked attention Johann Joachim Winckelmann gave to clothing and clothed statues. It engages with Winckelmann’s self-fashioning, the costume-based analysis through which he traced the cultural trajectory of antique peoples, and
Fiona K. A. Gatty
doaj   +1 more source

Phylogeography and genetic diversity of the microbivalve Kidderia subquadrata, reveals new data from West Antarctic Peninsula

open access: yesScientific Reports, 2021
It is well established that Antarctic biodiversity has been strongly influenced by rapid climatic fluctuations during the Quaternary. Marine invertebrates from Antarctica constitute an interesting lens through which to study the impacts of the last ...
Daniela Levicoy   +3 more
doaj   +1 more source

Utilization of The Qr-Code on The Santri Id-Card as The Santri’s Personal Data Code

open access: yesKnowbase, 2022
Data management has always been a challenge in all aspects, including the management of students' personal information. Building an information system capable of producing student Id-cards equipped with a QR-code enables the use of the QR-code on the ...
M. Agung Vafky Ideal
doaj   +1 more source

Development of GHG Emission Factors for the Life Cycle of the Animal Manure Treatment Systems

open access: yes대한환경공학회지, 2020
Objectives:A whole process greenhouse gas emission factor was developed considering the direct greenhouse gas emission from the decomposition of livestock manure provided by the IPCC guidelines and the energy consumption of manure management systems ...
Yoosung Park   +2 more
doaj   +1 more source

Assessing diversity of King Crab Lithodes spp. in the south‐eastern pacific using phylogeny and molecular species delimitation methods

open access: yesEcology and Evolution, 2022
The purpose of this study was to test the hypothesis that the genetic diversity of commercially significant species of King Crabs (Lithodes spp.) along the south‐eastern Pacific (SEP) comprises different independent evolutionary units (IEUs) with ...
Ramona Pinochet   +2 more
doaj   +1 more source

Performance analysis and effect of various material fin-perforations in a plate-finned heat exchanger [PDF]

open access: yesE3S Web of Conferences
Finding increasingly efficient heat exchangers requires a critical task: the development of fin profiles for prolonged life of equipment. The present study uses numerical analysis for better plate-finned heat exchangers hydraulic and thermal performance.
Jyothi Bondu   +3 more
doaj   +1 more source

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