نتایج جستجو برای: anionic polyester
تعداد نتایج: 16535 فیلتر نتایج به سال:
BACKGROUND The operative control of noncompressible hemorrhage is the single largest impact that could be addressed in reducing the mortality on the battlefield. Laprotomy pads, traditionally used for hemorrhage evacuation, are made of woven cotton, and, while effective, their use requires a substantial amount of space and adds weight. This poses no concern in traditional operating rooms but is...
Study on heat and moisture vapour transmission characteristics through multilayered fabric ensembles
The present paper reports a detailed study on heat and moisture vapour transmission characteristics of different types of multilayered fabric ensembles. Two sets of multilayered fabrics have been prepared. In first set, two types of carded web produced from acrylic and polyester fibres with five different areal densities in each fibre type have been used as middle layer. In second set, differen...
In this study, 2 types of polymers were mixed, namely polyester and vinylester called polyester-vinylester blend (PVB) as the test workpiece. The experiments carried out testing surface quality hole, roughness (R a ), hardness alteration (SHA) after drilling. effects spindle speed ( n ) & feedrate f cutting-edge angle K r PVB composition P%V% tested. results showed that factor most influenc...
Mutational analysis of the charge selectivity filter of the alpha7 nicotinic acetylcholine receptor.
In the alpha7 nicotinic acetylcholine receptors, we analyze the contribution of mutations E237A and V251T, together with the proline insertion P236', in the conversion of the charge selectivity from cationic to anionic. We show that the triple mutant exhibits spontaneous openings displaying anionic selectivity. Furthermore, at position 251, hydrophilic or even negatively charged residues are co...
2 Arch UK Biocides Ltd, Blackley, Manchester, M9 8ZS UK 6 7 Journal section: Biodegradation 8 9 10 Soil fungal communities and polyurethane degradation 11 12 13 14 15 *P. S. Handley 16 1.800 Stopford Building, 17 Faculty of Life Sciences, 18 Manchester University 19 Oxford Road, 20 Manchester M13 9PT 21 UK 22 Phone 0044(0)161 275 5265 23 Fax 0044(0)161 275 5656 24 [email protected] 25 ...
Alkaline pre-extraction and hydrothermal hydrolysis were carried out with eucalyptus chips. Two methods were used to determine and calculate the extraction yield of five-carbon sugars. One is an indirect method, based on the difference of pentosan content between the chips before and after pre-extraction. The other method is to directly measure the content of five-carbon sugars in the extractin...
olyester and vinyl ester resinbased linings are known for their solvent and chemical resistance. The different resins in these linings have broad resistance ranges, with acid resistance being a major strength. Some of the specific resins resist 1 or more chemicals or types of chemicals better than other resins, so systems often are finetuned by the choice of resin for a particular chemical envi...
In Bangladesh, there are thousands of textile-dying industries spread across the country’s many regions, majority which involve knitting and dying. The dyeing industry uses an enormous quantity water, as well colors chemicals. After dying process has been completed, they also release a significant amount wastewater. Cotton, wool, polyester fiber typically dyed with textile dyes such reactive, a...
The uptake of anionic amino acids by the rat hepatoma cell line, HTC, occurs by two saturable routes, one Na+-dependent and one Na+-independent. Which of the two mediations will serve for transport of a given anionic amino acid depends on the chain length of that anionic substrate. The Na+-independent system, shared by glutamate, cystine, and anionic amino acids intermediate in length between t...
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