Results 91 to 100 of about 13,959 (235)

Morphology and melt rheology of nylon 11/clay nanocomposites [PDF]

open access: yes, 2006
Nylon 11 (PA11)/clay nanocomposites have been prepared by melt-blending, followed by melt-extrusion through a capillary. Transmission electron microscopy shows that the exfoliated clay morphology is dominant for low nanofiller content, while the ...
Aranda   +32 more
core   +3 more sources

The Joys and Sorrows of Teaching High School ESL: Sarangarel\u27s Story [PDF]

open access: yes, 2010
Dr. Adams\u27 contribution to: In M. Robbins (Ed.), The pressures of teaching: How teachers cope with classroom stress (pp. 87-98).
Adams, Susan R.
core   +1 more source

Evaluation of alternative solvents in common amide coupling reactions : replacement of dichloromethane and N,N-dimethylformamide [PDF]

open access: yes, 2013
A range of alternative solvents have been evaluated within amidation reactions employing common coupling reagents with a view to identifying suitable replacements for dichloromethane and N,N ...
Abdelmoty   +61 more
core   +1 more source

Ability of Group IVB metallocene polyethers containing dienestrol to arrest the growth of selected cancer cell lines

open access: yesBMC Cancer, 2009
Background Monomeric Group IVB (Ti, Zr and Hf) metallocenes represent a new class of antitumor compounds. There is literature on the general biological activities of some organotin compounds. Unfortunately, there is little information with respect to the
Ashida Yuki   +4 more
doaj   +1 more source

Flame retardant spandex type polyurethanes [PDF]

open access: yes, 1978
Flame retardant elastomeric compositions were developed, comprised of: (1) spandex type polyurethane having incorporated into the polymer chain, halogen containing polyols; (2) conventional spandex type polyurethanes in physical admixture flame retardant
Howarth, J. T.   +3 more
core   +1 more source

Iodine generator for reclaimed water purification [PDF]

open access: yes, 1977
The system disclosed is for controlling the iodine level in a water supply in a spacecraft. It includes an iodine accumulator which stores crystalline iodine, an electrochemical valve to control the input of iodine to the drinking water and an iodine ...
Powell, J. D.   +2 more
core   +1 more source

The Recognition of Fires Originating from Photovoltaic (PV) Solar Systems [PDF]

open access: yes, 2015
There has been an observable increase in the fitting of photovoltaic (PV) solar panels on the roofs of buildings in the UK over the last decade. The origin of some fires in domestic and commercial properties has been attributed to PV systems.
Prometheus Forensic Services Limited   +1 more
core  

Integrated Chemical and Biological Process for Production of 100% Lignocellulose-Based Nylons

open access: green, 2022
Ruijia Hu   +9 more
openalex   +1 more source

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