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Assessment of impact fracture toughness of PP-elastomeric polyolefin blends
(Taylor & Francis, 2002-01)
The present investigation is concerned with evaluation of the impact fracture toughness of novel blends based on commercial polypropylene homopolymer (PPH) and elastomeric polyolefin (POEs). At room temperature and high ...
The effects of specimen size and testing conditions on fracture toughness evaluation of polypropylene homopolymer
(John Wiley & Sons Inc, 2007-04-07)
The results of an experimental test program performed to investigate the influenceof specimen dimensions and testing rate conditions on room temperature fracturetoughness of PP homopolymer are presented. The material ...
Estimation of the fracture toughness threshold of a ferritic steel at the lower ductile to brittle transition region
(Universidade Federal de São Carlos, 2016-09)
The ADN420 ferritic steel (A615 steel Grade 60 [420]), used as reinforcing bars (rebar) in concrete, shows the so called ductile to brittle transition. Room temperature is located on the lower third region of the transition ...
Talent development exposing the weakest link
(Revista Española de Pedagogía, 2016-08-09)
En este trabajo se analizan, en primer lugar, los factores causales implicados en la aparición del talento de acuerdo con el modelo diferenciado de superdotación y talento del autor (DMGT).
Después se describen los ...
El hilo se corta por lo más delgado: Los efectos en las sociedades indígenas de las enfermedades derivadas del contacto con los "otros"A chain is no stronger than its weakest link: The effects on indigenous societies of diseases arisen from contact with “others”
(Universidad Nacional de Luján, 2020-12)
En este trabajo intentaremos responder a cuatro interrogantes: ¿Qué registros existen de las epidemias que asolaron Pampa, Patagonia y Tierra del Fuego desde la Conquista y Colonización hasta la primera década del siglo ...
Randomness in Competitions
(Springer, 2012-11)
We study the effects of randomness on competitions based on an elementary random process in which there is a finite probability that a weaker team upsets a stronger team. We apply this model to sports leagues and sports ...
The present state and future prospects of the environment in Latin America and the Caribbean
(1995-04)
Most studies of the region's economy say little or nothing about the status of its environment and natural resources; few references are made to the environmental quality of population centres or to fluctuations in natural ...
Present state and future prospects of the environment in Latin America and the Caribbean (in CEPAL review No.55, p.109-126
(, 2011-09-06)
Explores the concept that the region's environment and natural resources is the weakest link in its development strategies. Concludes that the region's environmental problems can only be solved by a number of different ...