Results 21 to 30 of about 1,436,449 (313)

Characterization of microcrystalline cellulose extracted from walnut and apricots shells by alkaline treatment [PDF]

open access: yesJournal of the Serbian Chemical Society, 2021
In this study, microcrystalline cellulose (MCC) was isolated from walnut and apricot shells (WS and AS) as agricultural wastes in order to use it as reinforcement in polymer composites.
Mahmoud Yasmine   +2 more
doaj   +1 more source

Processes and Challenges for the Manufacturing of Lyocell Fibres with Alternative Agricultural Feedstocks

open access: yesApplied Sciences, 2023
Lyocell man-made cellulosic fibres (L-MMCF) have been commercially available since the mid-1990’s, with the typical feedstock prepared from tree pulp or cotton linters.
Lelia Lawson   +5 more
doaj   +1 more source

On the orientation of the chains in the mercerized cellulose

open access: yesScientific Reports, 2021
The cold alkaline treatment or mercerization of cellulose is widely used in industry to enrich the cellulose raw with high-molecular-weight $$\alpha$$ α -cellulose.
Dmitry V. Zlenko   +7 more
doaj   +1 more source

Tensile testing of cellulose based natural fibers for structural composite applications [PDF]

open access: yes, 2009
A series of tensile tests were conducted on a Lloyd LRX tensile testing machine for numerous natural fibers deemed potential candidates for development in composite applications.
Anthony Kelly   +12 more
core   +2 more sources

The Influence of Potassium Hydroxide Concentration and Reaction Time on the Extraction Cellulosic Jute Fibers

open access: yesJournal of Natural Fibers, 2022
A common method used to obtain cellulosic fibers is alkalinization with NaOH. Depending on NaOH content, treatments remove significant quantities of lignin and hemicellulose as small molecules.
Lays Furtado de Medeiros Souza Kataoka   +2 more
doaj   +1 more source

Radiocarbon releases from the 2011 Fukushima nuclear accident [PDF]

open access: yes, 2016
Radiocarbon activities were measured in annual tree rings for the years 2009 to 2015 from Japanese cedar trees (Cryptomeria japonica) collected at six sites ranging from 2.5–38 km northwest and north of the Fukushima Dai-ichi nuclear power plant. The 14C
Cook, Gordon T.   +10 more
core   +2 more sources

The effects of temperature on alpha-cellulose content and extraction result of tobacco stem

open access: yesJournal of Physics: Conference Series, 2019
This research aims to obtain levels of cellulose and α-cellulose from the tobacco stems. Tobacco rods are extracted using several processes step, namely the Making of tobacco stem powder, powder characterization analysis, powder extraction with several ...
S. Handayani   +3 more
semanticscholar   +1 more source

Chemical alteration of banana pseudostems by white rot fungi [PDF]

open access: yes, 2014
The ability of fungi to degrade lignocellulosic materials is due to their highly efficient enzymatic system. However, many of these fungi have the ability to not only depolymerize and metabolize lignin but also to degrade cellulose and hemicellulose ...
Halis, Rasmina   +5 more
core   +1 more source

Ekstraksi Selulosa Dari Limbah Pembuatan Karaginan

open access: yesJurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan, 2007
Penelitian pemanfaatan limbah padat karaginan sebagai bahan baku selulosa telah dilakukan untuk mencari bahan baku alternatif pembuatan selulosa. Percobaan dilakukan dengan alkalinasi limbah karaginan menggunakan larutan NaOH dan pemucatan menggunakan ...
Diini Fithriani   +2 more
doaj   +1 more source

Integrating effects of species composition and soil properties to predict shifts in montane forest carbon-water relations. [PDF]

open access: yes, 2018
This study was designed to address a major source of uncertainty pertaining to coupled carbon-water cycles in montane forest ecosystems. The Sierra Nevada of California was used as a model system to investigate connections between the physiological ...
Horwath, William R   +2 more
core   +1 more source

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