mikrodavkovacie jednotky pre reaktoplasty. $left bracket$ physical and chemical properties of glass fiber surface $right bracket$

the article summarizes current findings on physical and chemical properties of glass fibers. it also discusses chemical treatments of glass fiber surfaces and reports on the function of coupling agents. (translated author abstract) in czech

microfibril-generating factor from the cellulase of trichoderma reesei

a combination of ionic strength reduction and diafiltration of trichoderma reesei cellulase complex through a hollow fiber apparatus of 5000 molecular weight (mw) cutoff and subsequent passage of filtrate over a spherogel-tsk 3000-sw column provided extracts that had the ability to generate microfibrils in filter paper and to disrupt filt..

deodorizing gaskets for colostomy patients

the all-union scientific-research institute of the dry goods industry and the scientific-research institute of proctology have developed and are producing under pilot plant conditions deodorizing gaskets for colostomy patients made of a ligand-exchange textile material ltm. the purpose of the present work is to give an objective evaluatio..

labelling: getting the message home

labels for textile products may provide various messages of which the most important is size (of garments) or dimensions or other descriptor (e. g. tog rating) of domestic textiles. other messages may be: manufacturers' or distributors' identification; promotional logo, slogan, etc; upc (digital or bar code for sales control); country of ..

lift-off method for patterning enzyme-immobilized membranes in multi-biosensors

a new method for preparing enzyme-immobilized membranes of multi-biosensors has been developed and demonstrated by fabricating a multi-biosensor for glucose and urea, based on the ph-selective ion-sensitive field effect transistor. the enzyme solution, containing glutaraldehyde, is spin coated onto a wafer covered with a patterned photore..

preprints for the 114th isij meeting, part i

this issue of the journal contains 36 paper presented at a conference. they are arranged in the following groups: ironmaking; steelmaking; shaping and fabrication; instrumentation and control; chemical analysis; surface treatment; products and properties; and new materials and new processing. technical and professional papers from this co..

olive stones as a source of fermentable sugars

the composition of the olive stone and its woody fraction has been investigated for the varieties gordal, manzanilla, hojiblanca and verdial. the neutral detergent fiber method (ndf) of van soest was used to estimate dietary fiber. cellulose was the main component of the fiber, followed by hemicelluloses and lignin. the ndf was hydrolyzed..

steam explosion of the softwood pinus radiata with sulphur dioxide addition. i. process optimization

an experimental optimization procedure has been used to investigate steam explosion of pinus radiata. enzymatic digestibility of this softwood is enhanced by steam explosion and addition of sulfur dioxide greatly improves effectiveness of the process. the effects of the variables time, temperature, and sulfur dioxide level have been descr..

aminimide-cured epoxy resins as surface modifiers for mica flakes in particle-reinforced thermoplastics

the tensile behaviour of mica flake dispersed thermoplastic composites was examined. the mica flakes (phlogopite, muscovite and cerisite) were treated with a combination of epoxy prepolymer and various aminimide curing agents and then incorporated into polypropylene or acrylonitrile-butadiene-styrene copolymer matrix improvement of the fi..

electronic, photonic and recording materials

in high-technology manufacturing of components for information and photovoltaic systems, there has been a long-term trend away from mechanical production and toward production using chemical processes however, many high-technology industries, such as the microelectronics industry, still have surprisingly little strength in chemical proces..