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Showing 5 of 5 academic articles

Influence of Non - Condensable Gases on the Processes of Heat and Mass Transfer during Film Condensation of Steam in Heat Exchangers

Reshetnikov I.F., Shikhalev S.V., Tikhonov S.L. • Problems of the Regional Energetics (2018)

The aim of the article is a quantitative assessment of the influence of non-condensable gases on the intensity of heat and mass transfer processes during film condensation of steam in the specific conditions for heat exchanger. The task is ...

DOAJ Open Access (DOAJ) DOI: 10.5281/zenodo.2222362

Materials for Total Hip Joint Prostheses: Biaxial Flexural Strength of Two Ceramic Systems

Bojana TABAKOVA, Ivanka KALIMANOVA, Ina YANKOVA, Hristiana NIKOLOVA • The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science (2010)

Total hip joint replacement is one of the most successful orthopaedic surgeries in the last decade. Essential part of total hip joint prostheses is the mobile joint “hemispherical head - hemispherical cup”. Functional properties and durabil...

DOAJ Open Access (DOAJ)

The estimation of canopy attributes from digital cover photography by two different image analysis methods

Chianucci F, Chiavetta U, Cutini A • iForest - Biogeosciences and Forestry (2014)

Proximal sensing methods using digital photography have gained wide acceptance for describing and quantifying canopy properties. Digital hemispherical photography (DHP) is the most widely used photographic technique for canopy description. ...

DOAJ Open Access (DOAJ) DOI: 10.3832/ifor0939-007

Evolution of the Shadow Effect with Film Thickness and Substrate Conductivity on a Hemispherical Workpiece during Magnetron Sputtering

Huaiyuan Liu, Donglin Ma, Yantao Li, Lina You et al. • Metals (2023)

When depositing films on a complex workpiece surface by magnetron sputtering, the shadow effect occurs and causes the columnar structure to tilt toward the substrate owing to the oblique incident angle of the plasma flux, affecting the micr...

DOAJ Open Access (DOAJ) DOI: 10.3390/met13010165