Results 21 to 30 of about 135,724 (265)
Residual stress induced tension-compression asymmetry of gradient nanograined copper
Materials Research Letters, 2018 The residual stress significantly influences the cyclic stress response of the hierarchical nanostructured materials. An obvious tension-compression asymmetry with minimum stress in compression larger than maximum stress in tension was observed in ...
Jianzhou Long +3 more
doaj +1 more source
Estudio sobre las propiedades mecánicas de cementos óseos preparados con metacrilatos funcionalizados [PDF]
, 2000 Los cementos óseos son materiales poliméricos que se utilizan con el objeto de fijar prótesis metálicas. Han estado en el mercado por casi 40 años desde que Sir John Charnley propuso su uso en ortopedia.
Cauich Rodriguez, J.V. +2 more
core +2 more sources
Materials & Design, 2020 In this paper, the parameters of fatigue crack growth rate for Q355J2 steel exposed to air and seawater were presented using the “Paris' law” based on the stress intensity factor (SIF), J-integral, crack tip opening displacement (CTOD) and crack tip ...
Haohui Xin, Milan Veljkovic
doaj +1 more source
Petroleum Exploration and Development, 2017 Aiming at the development situation of the Xinjiang oil field, the mechanism of enhancing oil recovery by the Polymer-Surfactant Binary Flooding (SP Flooding) was studied through SP Flooding sand pack, natural core and micro model experiments, and ...
Weidong LIU +5 more
doaj +1 more source
Control de las tensiones residuales como herramienta de mejora de los alambres de pretensado: 2. Optimización de las propiedades mecánicas [PDF]
, 2008 En este artículo se resume el trabajo desarrollado por los autores durante estos últimos años para mejorar el comportamiento de las armaduras activas del hormigón pretensado mediante el control de sus tensiones residuales.
Atienza Riera, José Miguel +2 more
core +1 more source
Defining Roles in Pediatric Palliative Care: Perspectives From Oncology and Palliative Care Teams
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Early integration of pediatric palliative care (PPC) is associated with improved symptom management, quality of life, and healthcare utilization for children with cancer. Despite this, variation persists in how PPC is understood, operationalized, and integrated within pediatric oncology programs. In particular, ambiguity surrounding
Leeat Granek +13 more
wiley +1 more source
Protección diferencial de generadores síncronos usando redes neuronales artificiales [PDF]
, 2010 Los generadores síncronos constituyen unos de los equipos más importantes en un sistema de potencia y están sujetos, a la vez, a más tipos de fallas que otros elementos.
Moreno Laverde, Carolina +1 more
core
Array de microlentes de cristal líquido con control gradual de índice de refracción [PDF]
, 2012 Se ha diseñado y construido un array de microlentes cilíndricas de cristal líquido (CL) y se ha llevado a cabo un estudio sobre su comportamiento electroóptico. El array lenticular es novedoso en cuanto a los materiales empleados en su fabricación. Se ha
Algorri Genaro, José Francisco +4 more
core +2 more sources
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Survivors of childhood acute lymphoblastic leukemia (ALL) often exhibit early deficits in muscle and movement competence, which can compromise long‐term health. Integrative neuromuscular training (INT), a multifaceted approach combining fundamental movement activities with strength exercises, may help address these deficits during ...
Anna Maria Markarian +7 more
wiley +1 more source
Laboratory study of salinity and surfactant concentration effects on oil recovery
MATEC Web of Conferences, 2017 This paper perfoms a discussion of the result from two laboratory tests of surfactant injection. The first test is focused on the influence of salinity that varies between 5000 ppm- 9000 ppm with a concentration of 1% surfactant to the value of density ...
Yanti Widia +3 more
doaj +1 more source