Results 121 to 130 of about 32,302 (291)

Control of linear friction welding [PDF]

open access: yesLetters on Materials, 2016
A. M. Husnullin, R. M. Kashaev
openaire   +1 more source

Persistent Alarms Confronting New Priorities: Protestants in Africa in Italian and French Catholic Magazines (1945–1962)

open access: yesJournal of Religious History, EarlyView.
Anti‐Protestantism was one of the reasons for the revival of missions during the interwar period. By the 1960s, however, Protestants were less and less often mentioned as a threat to missionary efforts, and the decline in inter‐confessional tensions was increasingly considered a relic of the past.
Giacomo Canepa
wiley   +1 more source

Analysis and Joining of Al–Cu Plates Using Friction-Stir Welding Technique

open access: yesEuropean Mechanical Science, 2018
The scope of the study focused on toolspeeds-plate temperatures at joining aluminium alloy and copper plates. The AA7075-T6 aluminium alloyand pure copper were welded using friction-stir welding (FSW) technique.
Hatice Atmaca   +2 more
doaj   +1 more source

The institutional paradox of a substantivist conception of the economy in public policy: Insights from public procurement for solidarity economy in Ecuador

open access: yesAnnals of Public and Cooperative Economics, EarlyView.
Abstract Ecuador's 2008 Constitution advanced an ambitious substantive economic vision through Buen Vivir (Good Living), recognizing a plural economy which encompasses private, public and solidarity economy (SE) sectors. This paper aims to analyze public procurement programs in Ecuador, one of the flagship Buen Vivir policies for SE promotion.
Maria‐José Ruiz‐Rivera   +1 more
wiley   +1 more source

Process parameter optimization and bonding mechanism in dissimilar S45C/A6061 joints via novel sacrificing-sheet linear friction welding

open access: yesJournal of Advanced Joining Processes
Sacrificing-sheet linear friction welding (SSLFW) is a novel solid-state joining technique developed to address the challenges of dissimilar welding between S45C steel and A6061 aluminum alloy, which are difficult to join using conventional linear ...
Furkan Khan   +4 more
doaj   +1 more source

Optimal control of the heave motion of marine cable subsea-unit systems [PDF]

open access: yes, 1995
One of the key problems associated with subsea operations involving tethered subsea units is the motions of support vessels on the ocean surface which can be transmitted to the subsea unit through the cable and increase the tension.
Huang, S., Vassalos, D.
core  

From plant to fabric: Environmental opportunities associated with annatto dye for sustainable development in the textile industry

open access: yesColoration Technology, EarlyView.
Abstract Natural dyes are compounds that occur naturally in several organisms and are classified based on chemical structure and application method. The literature cites several natural dyes used in industrial transformation processes. Annatto dye is used in the food industry, and its biological pigment is extracted from the annatto seed. However, this
Marcel Jefferson Gonçalves   +5 more
wiley   +1 more source

Enhancing the fastness characteristics of weld‐dyed cotton and recycled nylon 6,6 fabrics via sodium alginate and titanium dioxide

open access: yesColoration Technology, EarlyView.
Abstract This study investigates a sustainable dyeing and finishing strategy for recycled nylon 6,6 and organic cotton fabrics dyed with weld. Following meta‐mordant dyeing using alum under Natural Organic Dye Standard (NODS)‐compliant conditions, the fabrics were subjected to functional finishing with titanium dioxide as a multifunctional ...
Recep Karadag   +2 more
wiley   +1 more source

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