Results 81 to 90 of about 361,220 (205)

STUDY OF THE THERMAL CRACKING DURING THE VACUUM DISTILLATION OF ATMOSPHERIC RESIDUE OF CRUDE OIL

open access: yesScientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, 2017
This article concerns the study of the thermal cracking as undesirable phenomenon in the vacuum distillation of atmospheric residue of crude oil. In this point, we have sought to identify and characterize the effect of the increase in the temperature of ...
JAOUAD ELAYANE   +2 more
doaj  

Relación entre los porcentajes de porosidad permeable y porosidad especifica obtenidas por metodologías diferentes en muestras de concreto

open access: yesGaceta Técnica, 2008
El objetivo de esta investigación es estimar una relación matemática entre los porcentajes de porosidad permeable determinados por la Norma ASTM C-642, de una muestra de concreto con la porosidad especifica obtenidos según metodología propuesta por ...
Dinora Salcedo   +2 more
doaj  

Opacification of high temperature fibrous insulation [PDF]

open access: yes
A study was conducted to determine the merits of adding particulate materials to silica fiber felts to increase their resistance to the passage of thermal radiation.
Collins, J. O., Miller, W. C.
core   +1 more source

Environmental fate, biodegradation pathways, and phytotoxicological risks of biopolymer-based packaging: a critical review. [PDF]

open access: yesEnviron Sci Pollut Res Int
Ferreira DCM   +5 more
europepmc   +1 more source

Effect of the raw material composition of fabrics on the Limiting Oxygen Index (LOI) [PDF]

open access: yes
The raw material composition of fabrics is one of the most important factors for LOI value. LOI value was determined in samples of varying composition composed of cellulose, protein, and synthetic fibers and their mixtures, based on ASTM D 2863-76 ...
Ceric, B., Jeler, S.
core   +1 more source

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