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Now showing items 11-20 of 189
Functionality of embryo sacs in pear cultivars ‘ingeborg’ and ‘celina’ as related to fruit set under nordic climate
(MDPI, Basel, 2020)
Since the European pear (Pyrus communis L.) is a self-incompatible fruit species, synchrony and compatibility between female parts of the mother plant and male gametes from the pollen donor must be fulfilled. Besides ...
LT - contradiction matrix / LT - matrica kontradiktornosti
(University of Belgrade - Faculty of Mechanical Engineering, Belgrade, 2021)
Altschuller's Contradiction Matrix and Bartini-Kuznetsov's LT - Table represent two different tools for solving inventive problems based on the same dialectical principle. It starts from the premise that there are ...
Veštački zaslađivači u podzemnoj vodi kao indikatori komunalnog zagađenja / Artificial sweeteners in groundwater as indicators of municipal pollution
(Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS), Društvo za procesnu tehniku, 2021)
Velika primena veštačkih zaslađivača kao aditiva u hrani, piću, lekovima i sredstvima za oralnu higijenu je dovela do akumuliranja ovih supstanci u akvatičnim ekosistemima širom sveta. Pošto je većina njih metabolički ...
Ecological Risk Assessment of Heavy Metals in the Soil at a Former Painting Industry Facility
(Frontiers Media Sa, Lausanne, 2020)
Soil samples from the site of the former largest paint and varnish factory in ex-Yugoslavia were analyzed for arsenic and eight heavy metals (Pb, Cd, Zn, Cr, Ni, Cu, Fe, and Hg). Several additional soil properties (pH, ...
Enhanced Interface Adhesion by Novel Eco-Epoxy Adhesives Based on the Modified Tannic Acid on Al and CFRP Adherends
(MDPI, Basel, 2020)
This paper presents a new process for obtaining eco-epoxide adhesives synthesized from bio-renewable raw material (tannic acid-TA) and used for bonding lightweight materials (aluminum (Al) and carbon fiber reinforced polymer ...
A survey on the characterization and biological activity of isatin derivatives
(Srpsko hemijsko društvo, Beograd, 2020)
The derivatives of isatin have already been known to display a variety of biological activities. Therefore, the studies on their activity and its relation to structure have recently become a popular subject for investigation. ...
Poly(vinyl alcohol)/chitosan hydrogels with electrochemically synthesized silver nanoparticles for wound dressing applications
(Int Assoc Physical Chemists-Iapc, Zagreb, 2020)
Polymer-based hydrogel materials are excellent candidates for new-generation wound dressings with improved properties, such as high sorption ability, good mechanical properties and low adhesiveness. Cross-linked hydrogel ...
Basalt-Polyester Hybrid Composite Materials for Demanding Wear Applications
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2020)
Basalt as a filler in a polymer-based composite material fulfils the demand of being natural, environment-friendly material for the production of various composite materials. The material could be used as protective layer ...
Cerium-cysteine complex inhibitor for aluminium alloy AA7075-T6
(Belgrade : Military Technical Institute, 2020)
Aluminium AA7075 alloy with its low density and good mechanical properties, widely responds to the requirements of aerospace, navy, and defense industries. However, corrosion is the most common problem that affects the ...
SnO2-Containing Clinoptilolite as a Composite Photocatalyst for Dyes Removal from Wastewater under Solar Light
(MDPI, Basel, 2020)
Due to their adsorbent, ion exchange and catalytic properties zeolites are suitable for a variety of applications. We report on the photocatalytic activity of a readily available and inexpensive natural zeolite clinoptilolite ...