Results 21 to 30 of about 139,094 (262)

Research into the process of preparation of Ukrainian coal by the oil aggregation method [PDF]

open access: yes, 2017
We conducted a study into concentration of Donetsk coal with varying degrees of coalification – anthracite and grade G – by the method of oil aggregation. We determined the character of impact of the following factors on the results of oil aggregation of
Biletskyi, V. S.   +8 more
core   +2 more sources

Willow wood (Salix alba) as a raw material for pulp production [PDF]

open access: yesHemijska Industrija, 2005
The properties of willow wood (structural-physical and mechanical properties and chemical composition) were investigated to determine the parameters of the technological process of semichemical and sulphate pulp manufacture. The experimental material was
Klašnja Bojana   +3 more
doaj   +1 more source

The Effect of Cellulose Nanofibres on Dewatering during Wet-Forming and the Mechanical Properties of Thermoformed Specimens Made of Thermomechanical and Kraft Pulps

open access: yesNanomaterials, 2023
Due to environmental concerns regarding single-use plastic materials, major efforts are being made to develop new material concepts based on biodegradable and renewable resources, e.g., wood pulp. In this study, we assessed two types of wood pulp fibres,
Eirik Ulsaker Jacobsen   +5 more
doaj   +1 more source

Degree of Polymerization of Fibers from Wikstroemia Bark vs. the Durability of Kaihua Paper

open access: yesBioResources, 2022
In order to determine the influence of bast fibers isolated from Wikstroemia bark on the durability of paper, self-made paper was prepared using bagasse pulp mixed with Wikstroemia bark pulp using Kaihua paper manufacturing technology.
Hua Chen   +10 more
doaj   +2 more sources

Evaluation of the Effect of Endoglucanase Refining on the Physical and Mechanical Properties of Paper Made from OCC Pulp [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2013
In this study, the effect of enzymatic refining with endoglucanase was investigated on the physical and mechanical properties of OCC pulp. Collected OCC pulps were pre-treated with different endoglucanse dosages (1u, 2u and 3u on o.d.
Elyas Afra, Iman Akbarpour
doaj  

Oil palm leaf fibre and its suitability for paper-based products [PDF]

open access: yes, 2016
Due to the shortage of wood as origin materials for paper-based production, agro-residue materials have been explored in the quest of finding the best alternative fibre.
Algheethi, Adel   +7 more
core   +2 more sources

Expression and Function of Hypoxia Inducible Factor-1α and Vascular Endothelial Growth Factor in Pulp Tissue of Teeth under Orthodontic Movement

open access: yesMediators of Inflammation, 2015
Orthodontic force may lead to cell damage, circulatory disturbances, and vascular changes of the dental pulp, which make a hypoxic environment in pulp.
Fulan Wei   +7 more
doaj   +1 more source

Effect of silicon carbide and pulping processes on physical and mechanical properties of pulp plastic composites (PPCs)

open access: yesJournal of Asian Ceramic Societies, 2016
This study evaluated the effect of different pulping processes and SiC particles on physical and mechanical properties of pulp plastic composites (PPCs). Polypropylene (PP), SODA and NSSC pulp fibers (max. 40 and 50 wt.%), silicon carbide particles (0, 5,
Alireza Sukhtesaraie, S. Behnam Hosseini
doaj   +1 more source

Current progress of calcium silicon⁃based materials for pulp⁃capping

open access: yes口腔疾病防治, 2018
The aim of vital pulp therapy is to preserve vital, healthy pulp tissue through pulp capping or pulpotomy. Pulp ⁃ capping materials are applied to isolate infection, promote odontoblast differentiation and reparative dentine formation during the ...
SUN Yan, ZOU Ling
doaj   +1 more source

Investigation of Properties of paper made from tensile wood and normal wood in Populus nigra [PDF]

open access: yesتحقیقات علوم چوب و کاغذ ایران, 2015
In this research Tension Wood (TW) and Normal Wood (NW) of Poplar were analyzed for pulp production using Kraft pulping process. After preparing samples, Biometric characteristics of the NW and TW fibers were measured and samples were converted to pulp ...
Jaber Hossein zade   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy