Results 21 to 30 of about 13,356,375 (196)
Evaluation of optical parameters of natural stone surface by infrared spectroscopy
Технічна інженерія, 2021 Preservation and improvement of quality indicators of any product is an urgent scientific and practical task for current production, including products from a natural facing stone. There are no similar deposits of natural facing stone in the world.
V.I. , V.V. , I.V.
doaj +1 more source
Using of Fenton advanced oxidation method for treatment of oily-contaminated wastewater [PDF]
شیمی کاربردی روز, 2021 Today, water is one of the most important human concerns, especially in arid areas. One of the things that can be recycled to turn it into water used for industrial or agricultural purposes and also prevent the entry of very harmful pollutants into ...
Fariba Ostovar +2 more
doaj +1 more source
Response of oilseed rape seed quality parameters to chemical treatment [PDF]
Journal on Processing and Energy in Agriculture, 2023 Rapeseed is a major oilseed crop that has various uses in the food, feed, and industrial sectors. The first condition for successful production and achieving high yields is to provide high-quality seeds, which, in addition to high seed vitality, also ...
Ovuka Jelena +6 more
doaj +1 more source
The effect of chemical treatment on adsorption of natural gas by multi-walled carbon nanotubes: Sorption equilibria and thermodynamic studies [PDF]
Chemical Industry and Chemical Engineering Quarterly, 2012 In this study, adsorption of methane as the main constituent of natural gas was firstly studied on the pristine multi-walled carbon nanotubes (MWCNTs) and then purification and chemical treatments of MWCNTs was performed to enhance the natural gas ...
Delavar M. +4 more
doaj +1 more source
Organic Fertilizer Production From Cattle Waste Vermicomposting Assisted By Lumbricus Rubellus
International Journal of Science and Engineering, 2011 Composting is decomposition of compound in organic waste by specific treatment using microorganism aerobically. Natural composting for producing organic fertilizer from manure and market waste utilize long time processing and less equal to the market ...
Siswo Sumardiono +2 more
doaj +1 more source
环境与职业医学BackgroundThe current increasing trend of new cases of occupational noise-induced deafness indicates that the hearing loss of occupational population has not been effectively controlled in China.
Fang JI +6 more
doaj +1 more source
Flax Biomass Conversion via Controlled Oxidation: Facile Tuning of Physicochemical Properties
Bioengineering, 2020 The role of chemical modification of pristine linen fiber (LF) on its physicochemical and adsorption properties is reported in this contribution. The surface and textural properties of the pristine LF and its peroxyacetic acid- (PAF) and chlorite-treated
Leila Dehabadi +5 more
doaj +1 more source
Extraction and Characterization of Nano-cellulose from Local Waste Paper Egg Trays
Journal of Natural Fibers, 2022 Current research focused on local bio-waste paper egg trays for the extraction of nano cellulose via common chemical method followed by mechano-ball milling process.
Ruiwen Yu +3 more
doaj +1 more source
Positive detection and risk factors of musculoskeletal disorders among aircraft maintenance workers
环境与职业医学BackgroundThe job content of aircraft maintenance workers is complex, with high intensity and high requirements, and they are prone to work-related musculoskeletal disorders (WMSDs), but related research is relatively rare.ObjectiveTo investigate the ...
Mingli BI +7 more
doaj +1 more source
Yankuang ceshi, 2016 In order to determine Cd isotopic composition accurately, the key is to guarantee Cd recovery and reduce Sn interference.The recoveries of Cd with various separation and purification methods reported by previous studies show a large range variation from ...
DUAN Gui-ling +5 more
doaj +1 more source