Приказано Природно-математички факултет за наслов
Приказ резултата 88-107 од 269
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First electrochemistry of herbicide pethoxamid and its quantification using electroanalytical approach from mixed commercial product
This work present a new approach for the detection of relatively new herbicide pethoxamid (POA), a first electrochemical behavior and determination based on its oxidation on boron-doped diamond electrode in Britton-Robinson ... -
First study of electrochemical behavior of herbicide pethoxamid and its voltammetric determination in river water
Pethoxamid (РОА) is relatively new herbicide and it belongs to group of chloroacetamides. lt inhibits the germination of target weeds in com, soybeans, peas and beans, tobacco and other crops and it can affects on ... -
Flexibility of curves on a single-sheet hyperboloid
Hyperbolic towers are towers in the shape of a single-sheet hyperboloid, and they are interesting in architecture. In this paper, we deal with the infinitesimal bending of a curve on a hyperboloid of one sheet; that is, we ... -
The floral scent of Dianthus cruentus Griseb. (Caryophyllaceae)
The genus Dianthus L. (Caryophyllaceae) comprises over 300 species of herbaceous plants that are spread over a vast area, especially in the Mediterranean region. Species of this genus, represented with 38 taxa in the Serbian ... -
Gamma Irradiation: Properties, Behavior and Applications
(Nova Science Publisher, 2021-08-11)Gamma radiations are used for sterilization processes in medical devices, food industry as well as in nuclear power plants or aerospace. Gamma irradiation is a very convenient tool for the modification of polymeric materials. ... -
Generating function for the figurative numbers of regular polyhedron
(Hindawi, 2020-04-14)In this paper, we are going to demonstrate a method for determining the generating functions of tetrahedral, hexahedral, octahedral, dodecahedral, and icosahedral figurative numbers. The method is based on the differences ... -
Geodesic infinitesimal deformations of generalized Riemannian space
(Birkhaeuser Verlag AG, 2022-05-11)Infinitesimal deformations of subspaces of a generalized Riemannian space are studied in this paper. Variations of some geometric objects are found. Necessary and sufficient conditions which provide the existence of a ... -
GIS analysis of land cover changes on the territory of the Prokuplje municipality
(Hindawi, 2014-01-03)The monitoring of the territory of Prokuplje Municipality was done based on 1 : 25,000 topographic maps in three different time periods (1969, 1974, and 1984) and land cover map in 2012. Analogous topographic maps done in ... -
GIS and geographical analysis of the main harbors in the world
(2021-05-28)This paper points out the possibilities of better exploitation of marine traffic as well as its connection with other kinds of traffic. Special attention is given to the analysis of 1,081 harbors about their availability ... -
A GIS-based method for analysis of a better utilization of thermal-mineral springs in the municipality of Kursumlija (Serbia)
(Elsevier, 2018-09-02)There are about 240 geothermal occurrences with 60 commercial spas included in, which are spread throughout the territory of Serbia. The majority of springs and other surface manifestations are located along the south-eastern ... -
Green synthesis and characterization of nontoxic L-methionine capped silver and gold nanoparticles
(Elsevier, 2019-12-11)The simple green method for synthesis of stable L-Methionine (L-Met) capped silver (Ag@LM NPs) and gold (Au@LM NPs) nanoparticles (NPs) without adding any additional reduction agent or stabilizer was developed. Colloidal ... -
Green synthesis of L-Methionine capped silver and gold nanoparticles
(Society of Physical Chemists of Serbia, 2018-09-28)In this work, we present a simple green method for Ag and Au nanoparticles (NPs) synthesis in an aqueous medium. Ag and Au NPs were synthesized by chemical reduction method, using amino acid L-Methionine as reducing as ... -
Herbicide Clomazone Detection Using Electroanalytical Approach Using Boron Doped Diamond Electrode
In this work, for the first time we proposed electrochemical behavior and development of an analytical procedure for quantification of pesticide clomazone. Electrochemical behavior of clomazone’s at boron-doped diamond ... -
High indoor radon concentration in residential houses. Ninth International Conference on radiation and applications in various fields of research, RAD9, Virtual Conference, Herceg Novi, Montenegro, July 14-18, 2021.
People are mainly exposed to radon in indoor environments. Exposure to radon and its decay products is the second leading cause of lung cancer, and there is a strong synergistic effect with smoking. The most significant ... -
Hybrid materials based on rubber blend nanocomposites
(Wiley, 2019-08-15)In this applicative work, two types of silica filler were used to increase the adhesion strength between steel and elastomeric hybrid materials based on chlorosulfonated polyethylene rubber (CSM) and polychloroprene rubber ... -
Hybrid modification of accelerated double direction method
(Hindawi, 2018-11-06)We present a hybridization of the accelerated gradient method with two vector directions. This hybridization is based on the usage of a chosen three-term hybrid model. Derived hybrid accelerated double direction model keeps ... -
Hybridization of accelerated gradient descent method
We present a gradient descent algorithm with a line search procedure for solving unconstrained optimization problems which is defined as a result of applying Picard-Mann hybrid iterative process on accelerated gradient ... -
Hybridization Rule Applied on Accelerated Double Step Size Optimization Scheme
A hybrid accelerated model with two step length parameters for solving unconstrained optimization problems is presented. Applied hybridization process involves an efficient three term hybrid method. The accelerated double ... -
Hydrolytic, thermal and radiation stability of modified urea-formaldehyde composites: influence of montmorillonite particle size
(Elsevier, 2022-06-15)Urea-formaldehyde (UF) composites with a formaldehyde/urea (FA/U) ratio = 0.8 and different particle sizes of montmorillonite (MMT), namely UF/KSF and UF/K10 were synthesized. The hydrolytic stability of modified UF ... -
Hydrolytic, thermal, and UV stability of urea-formaldehyde resin/thermally activated montmorillonite nanocomposites
(Wiley, 2020-09-16)Urea-formaldehyde resin (F/U ratio of 0.8)/thermally activated montmorillonite (UF/ΔTK10) nanocomposite was synthesized. The hydrolytical, thermal, and UV radiation stability of UF/ΔTK10 nanocomposites are determined. UF ...