Results 41 to 50 of about 73,832 (78)

Study on mechanical characteristics of woven cotton/bamboo hybrid reinforced composite laminates

open access: yesJournal of Materials Research and Technology, 2020
In this study, two fabrics namely cotton/cotton woven fabric having cotton yarn in both warp and weft direction; and cotton/bamboo woven fabric with cotton yarn (warp direction) and bamboo yarn (weft direction) were selected.
Karthik Aruchamy   +4 more
doaj   +1 more source

Самостійна робота студентів медиків, основні проблеми та методи їх подолання [PDF]

open access: yes, 2019
У статті відображається роль самостійної роботи студентів у сучасному навчальному процесі і розкриваються питання, що виникають при організації самостійної роботи студентів.
Живілова, Я.С.   +2 more
core  

Microstructure, Mechanical Properties and Strengthening Mechanism Analysis in an AlMg5 Aluminium Alloy Processed by ECAP and Subsequent Ageing

open access: yesMetals, 2018
A coarse-grained microstructure of solution treated AlMg5 aluminium alloy was prepared by equal channel angular pressing through route BC. Microstructure evolution of the alloy was analysed by using an optical microscope, X-ray diffraction, and EBSD ...
Przemysław Snopiński, Mariusz Król
doaj   +1 more source

An analysis of new generation coal gasification projects

open access: yesInternational Journal of Mining Science and Technology, 2012
The global trends of increasing oil and gas costs have compelled coal possessing countries to start long term underground coal gasification (UCG) projects.
Efim Vulfovich Kreynin
doaj   +1 more source

Interaction between Microalloying Additions and Phase Transformation during Intercritical Deformation in Low Carbon Steels

open access: yesMetals, 2019
Heavy gauge line pipe and structural steel plate materials are often rolled in the two-phase region for strength reasons. However, strength and toughness show opposite trends, and the exact effect of each rolling process parameter remains unclear.
Unai Mayo   +3 more
doaj   +1 more source

Factors affecting CO oxidation reaction over nanosized materials: A review

open access: yesJournal of Materials Research and Technology, 2019
The high level of carbon monoxide (CO) in the atmosphere represents a serious health and environmental problem, thus many techniques were used to reduce CO concentration. The catalytic oxidation of CO proves to be one of the most effective techniques for
N.K. Soliman
doaj   +1 more source

Intergranular corrosion evaluation of friction stir welded AISI 410S ferritic stainless steel

open access: yesJournal of Materials Research and Technology, 2019
This study aimed to investigate the susceptibility of AISI 410S ferritic stainless steel to intergranular corrosion when friction stir welded (FSW) using the double-loop electrochemical potentiokinetic reactivation (DL-EPR) test.
Gerbson de Queiroz Caetano   +6 more
doaj   +1 more source

Silver and palladium nanoparticles produced using a plant extract as reducing agent, stabilized with an ionic liquid: sizing by X-ray powder diffraction and dynamic light scattering

open access: yesJournal of Materials Research and Technology, 2019
Powder X-ray diffraction and dynamic light scattering (DLS) sizing of silver (Ag) and palladium (Pd) nanoparticles produced within aqueous plant extract and the effect of introducing of an ionic liquid are reported in this paper.
Francois Eya’ane Meva   +11 more
doaj   +1 more source

Synthesis of spherical mesoporous titania modified iron-niobate nanoclusters for photocatalytic reduction of 4-nitrophenol

open access: yesJournal of Materials Research and Technology, 2015
Spherical mesoporous titania modified iron-niobate nanoclusters FNT1 [FexNbxTi1−2xO2−x/2 (x = 0.01)], with relatively small particle size 10 ± 2 nm and SBET 145 m2 g−1 were prepared using a sol–gel method, from the reaction of titanium and niobium ...
Tanmay K. Ghorai
doaj   +1 more source

کاربرد احتمالات هندسی در طراحی شبکه های اکتشاف کانسارهای معدنی، مطالعه موردی: اندیس مس پورفیری واقع در جنوب غرب کرمان [PDF]

open access: yesAnalytical and Numerical Methods in Mining Engineering, 2018
در پژوهش حاضر مفاهیم نظری و کاربردی احتمالات هندسی، مورد بررسی قرار گرفته و روابط احتمالات هندسی برای تعیین احتمال تقاطع اشکال هندسی گوناگون با انواع شبکه­های مختلف، ارائه شده است.
رضا احمدی
doaj  

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