Results 11 to 20 of about 764,055 (296)

BIOCHAR MODIFICATION, THERMAL STABILITY AND TOXICITY OF PRODUCTS MODIFICATION [PDF]

open access: yesTransactions of the VŠB: Technical University of Ostrava, Safety Engineering Series, 2017
Biochar is a product obtained from processing of waste biomass. The main application of biochar is in soil and environment remediation. Some new applications of this carbonaceous material take advantage of its adsorption capacity use it as a ...
Romana FRIEDRICHOVÁ   +3 more
doaj   +2 more sources

Characterization of Acrocarpus fraxinifolius wood submitted to heat treatment

open access: yesMaderas: Ciencia y Tecnología, 2022
Aiming to provide greater visibility for the wood species Acrocarpus fraxinifolius, the present study sought to analyze the influence of heat treatment on an industrial scale applied to wood species, also popularly known as Indian cedar.
Carolina A. Barros Oliveira   +4 more
doaj   +1 more source

Morphology and properties evolution upon ring-opening polymerization during extrusion of cyclic butylene terephthalate and graphene-related-materials into thermally conductive nanocomposites [PDF]

open access: yes, 2017
In this work, the study of thermal conductivity before and after in-situ ring-opening polymerization of cyclic butylene terephthalate into poly (butylene terephthalate) in presence of graphene-related materials (GRM) is addressed, to gain insight in the ...
Colonna, S.   +4 more
core   +2 more sources

Influence of wood properties and technological parameters of processing on cutting power in milling of thermally modified beechwood [PDF]

open access: yesGlasnik Šumarskog Fakulteta: Univerzitet u Beogradu, 2011
The paper presents results of influence of thermal modification on cutting power required for milling wood processing. The experiment was conducted for the different treatment temperatures (170°C, 190°C and 210°C) and different technological ...
Mandić Marija   +3 more
doaj   +1 more source

Chemical Composition and Color of Short-Rotation Teak Wood Thermally Modified in Closed and Open Systems

open access: yesApplied Sciences, 2023
Although the effect of thermal modification (TM) on teak wood color is well documented, few studies have been carried out on closed-system processes, and it remains unclear what the effect is of different processes on the same material.
Felipe da Silva Gomes   +10 more
doaj   +1 more source

Zirconia as a support for catalysts: influence of additives on the thermal stability of the porous texture of monoclinic zirconia [PDF]

open access: yes, 1991
A single-phase monoclinic zirconia (the thermodynamically stable modification up to a temperature of 1170°C), having a specific surface area of 67 m2g¿1 and a well-developed mesoporous texture, has been prepared by gel-precipitation followed by ...
Burggraaf, A.J.   +8 more
core   +4 more sources

Holographic Interferometry for Measuring the Effect of Thermal Modification on Wood Thermal Properties

open access: yesApplied Sciences, 2021
The paper focuses on the use of holographic interferometry in the research of thermal modification and its effect on the heat transfer from the wood surface to the surrounding air. In the experiment, spruce wood samples modified at 160 °C, 180 °C, 200 °C,
Áron Hortobágyi   +2 more
doaj   +1 more source

Convectiv drying of disperesd materials before the thermochemical processing

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2019
Drying of wood materials is one of the most important processes not only of wood processing, but also of many other industries. Drying processes involve the removal of moisture as a result of a phase transition from a liquid or solid to a gaseous state ...
N. F. Timerbaev   +3 more
doaj   +1 more source

Triazolinedione-'clicked' poly(phosphoester)s : systematic adjustment of thermal properties [PDF]

open access: yes, 2017
The thermal properties of halogen-free flame retardant poly(phosphoester)s from acyclic diene metathesis polycondensation have been optimized by a systematic post-modification using 1,2,4-triazoline- 3,5-dione derivatives.
Becker, Greta   +4 more
core   +1 more source

Valorization of Rice Straw into Cellulose Microfibers for the Reinforcement of Thermoplastic Corn Starch Films

open access: yesApplied Sciences, 2021
In the present study, agro-food waste derived rice straw (RS) was valorized into cellulose microfibers (CMFs) using a green process of combined ultrasound and heating treatments and were thereafter used to improve the physical properties of thermoplastic
Pedro A. V. Freitas   +4 more
doaj   +1 more source

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