Results 161 to 170 of about 7,249 (281)
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
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
Narrow-gap laser-TIG hybrid welding process and mechanical properties of 0Cr13Ni5Mo stainless steel
To address the issues of insufficient impact toughness of the weld metal and low welding efficiency of the traditional arc welding in Pelton turbine runners, a narrow-gap laser-TIG hybrid welding process was proposed in this paper.
Zhen DING +6 more
doaj +1 more source
Análise de técnicas para a soldagem TIG automatizada [PDF]
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia MecânicaA soldagem de raiz em tubos de parede espessa é de grande importância para vários segmentos da economia como as do ...
Ribeiro, Júlio César Bento
core
ABSTRACT This study assesses the accuracy of the theory of critical distances applied in the form of the point method in predicting the static strength of 316L stainless steel double‐lap shear bolted connections under static tensile loading. Single‐ and double‐bolt configurations were tested using inner plates manufactured from conventional material ...
Hasan Almuhanna +2 more
wiley +1 more source
Inter‐disciplinary perspectives on sustainability in machinery manufacturing
Abstract Perspectives on economic, social and environmental sustainability in machinery manufacturing are changing. These are predominantly driven by increased consumer, firm and public knowledge on the importance of sustainability and the role that machinery manufacturers can play to achieve sustainability outcomes.
Oluwaseun E. Olabode +5 more
wiley +1 more source
When biology meets materials science – Interdisciplinary applications of electron microscopy
Abstract Research at the interface between biology and materials science creates challenges for electron microscopists. Everything from the sample preparation to the choice of imaging and analytical techniques and the interpretation of the resulting data refuses to sit comfortably within the domain of one discipline or the other.
Martin Saunders +5 more
wiley +1 more source
Settler Sociology: Eugenic Responses to Imperial Crises in the 20th Century
ABSTRACT In the twentieth century, academic concerns about changes in the racial demographics of the United States emanated from the potential crisis of settler colonial decline. In their references to previous empires, stories of contact between people groups, and changes in demographics, settler scholars worked to provide solutions to the ever ...
Heidi Nicholls
wiley +1 more source
High‐performance PPS composites for FFF: formulation and characterization linking microstructure and crystallization to adhesion and mechanical properties. ABSTRACT Polyphenylene sulfide (PPS) was compounded with recycled carbon fibers (rCF) and thermal black (TB) particles, followed by injection molding (IM) and extrusion of the compounded composites ...
Dogan Arslan +3 more
wiley +1 more source
Powder metal processing provides scalable advantages in nanoporous (np) metal development. Mechanical alloying is used to produce unique precursors for hybrid nanopore formation by oxide reduction and dealloying. As demonstrated in np Ag, this approach improves process efficiency while promoting smaller ligaments and larger pores, both of which are ...
Mark A. Atwater, Oliver A. Fowler
wiley +1 more source

