Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Petra Roupcova"'
PREPARATION OF MATERIAL BASED ON BIOCHAR - MNOX, ITS MORPHOLOGY, THERMAL STABILITY AND PHYTOTOXICITY
Publikováno v:
Transactions of the VŠB: Technical University of Ostrava, Safety Engineering Series, Vol 13, Iss 1, Pp 21-28 (2018)
By reducing potassium permanganate using various methods (microwave radiation, HCl, ethanol, ascorbic acid) in a biochar environment, we have prepared composites of manganese oxides and biochar as an electrode material for elements or supercapacitors
Externí odkaz:
https://doaj.org/article/0ce50d58cfdf4b96ac2b90af689d65bb
Publikováno v:
Transactions of the VŠB: Technical University of Ostrava, Safety Engineering Series, Vol 11, Iss 2, Pp 6-14 (2016)
This paper discusses the problematics of phytotoxicity of chemicals. It mainly focuses on the phytotoxicity of nanomaterials made of graphene. It describes phytotoxicological tests performed with foils from materials belonging to the graphene family.
Externí odkaz:
https://doaj.org/article/7b63a5202dd24c0dbc91b90b0ac2fe1c
Publikováno v:
Chemical Engineering Transactions, Vol 101 (2023)
In recent years, the development of research into nanomaterials has increased the number of their various applications in almost all possible areas, from electrodes to membranes to sports equipment and clothing. Graphene, graphene oxide (GO) and redu
Externí odkaz:
https://doaj.org/article/b1adf24c6c5b4beb897d386d1ea59fea
Publikováno v:
Chemical Engineering Transactions, Vol 101 (2023)
We consider nanostructures, i.e. particles and structures with dimensions between 1 nm and 100 nm, to be the basic building blocks of nanomaterials. Nanoparticles are a common part of the environment (erosion, forest fire emissions, decomposition of
Externí odkaz:
https://doaj.org/article/5677d4fc860c443aaa24e2415aebb8ad
Publikováno v:
Chemical Engineering Transactions, Vol 101 (2023)
In recent years, the occurrence of nanotextiles has increased due to the Covid-19 situation all around the world. Nanotextiles are being used in form of face masks and respirators, which are the source of environmental pollution with nanoparticles. T
Externí odkaz:
https://doaj.org/article/296030d23c364cd1a54a9a2f64de7017
Publikováno v:
Chemical Engineering Transactions, Vol 95 (2022)
We encounter smoke relatively regularly in our lives. Smoke consists of gaseous, liquid and solid components that are formed by combustion / oxidation of fuel. The chemical composition of smoke depends not only on the fuel used, but on a number of ot
Externí odkaz:
https://doaj.org/article/402c42645559491f86887c8700660bb5
Publikováno v:
Chemical Engineering Transactions, Vol 90 (2022)
The presence of micro-and nano-plastics in the water and in the soil, is not any secret. The primary source of nanoplastics in the natural environment is the production and processing of plastics, and the secondary source of nanoplastics is the fragm
Externí odkaz:
https://doaj.org/article/c74136bdaefb43cd9b809b571b02d5f7
Publikováno v:
Chemical Engineering Transactions, Vol 84 (2021)
Graphene oxide (GO) is a hydrophilic compound based on the oxidation of graphite in a sulfuric acid medium with strong oxidizing agents (KMnO4). Through oxidation, polar oxygen groups such as -OH, -C = O, -COOH epoxy are introduced into the carbon st
Externí odkaz:
https://doaj.org/article/ee8e107435b247568987661f878662b7
Publikováno v:
Journal of Nanomedicine & Nanotechnology.