Results 11 to 20 of about 1,049,660 (249)

Investigation of the flexural properties of reinforced concrete beams strengthened by externally bonded steel plates. [PDF]

open access: yes, 1980
It is sometimes necessary to strengthen in situ concrete structures. Externally bonded plate reinforcement has been successfully applied to structures with subsequent satisfactory performance.
Bloxham, John W
core   +6 more sources

Assessment of the Harmfulness of Moulding Sands with Alkyd Resin Subjected to the High Temperature Influence

open access: yesArchives of Metallurgy and Materials, 2016
Out of moulding sands used in the foundry industry, sands with organic binders deserve a special attention. These binders are based on synthetic resins, which ensure obtaining the proper technological properties and sound castings, however, they ...
Holtzer M.   +4 more
doaj   +1 more source

Chemical Composition of Natural Colophony from and Comparison with Synthetic Colophony

open access: yesNatural Product Communications, 2010
The compositions of colophony resins obtained from Pinus brutia Ten trees by three different methods (acid paste, carved hole and scraping) from Ayvacık, Gökova and Kemalpaşa in Turkey were analyzed by capillary GC-MS.
Ahmet C. Gören   +3 more
doaj   +1 more source

A Reformed Corrosion Cast Technique using Commercially Available Polyvinyl Chloride Solution

open access: yesMAMC Journal of Medical Sciences, 2015
Corrosion cast technique has advanced since its first application using wax by Leonardo da Vinci in 16 th century. Various materials such as metal alloys, celloidin, latex gum, synthetic resins/epoxy resins, polyester resins, and silicone have been used ...
Sabita Mishra, Madhu Sethi
doaj   +1 more source

Polymer resins with foam effect and their application in mining [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2015
For stabilization of degraded rock massif around the built underground mining premises, the procedures of injecting of polymer synthetic resins with foam effect are in use today more and more.
Trifunović Prvoslav   +3 more
doaj   +1 more source

System analysis of modern areas of increasing environmental and sanitary hygienic safety of using cold hardening mixtures in foundry

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2019
Today, Ukraine is one of the most polluted with technogenic substances of the world, where in industrial regions the concentration of toxic and carcinogenic substances daily exceeds twice or more their maximum permissible concentration.
Людмила Ігорівна Солоненко   +4 more
doaj   +5 more sources

Retrospection and prospect of China′ synthetic rubber industry in 2022

open access: yes, 2023
The change characteristics of production capacity, output, import and export quantity, apparent consumption of main synthetic rubbers of China in 2022 were retrospected, the status of supply and demand of butadiene as well as price changes of main rubber
China Synthetic Rubber Industry Association Secretariat
core   +1 more source

The effects of alkyd/melamine resin ratio and curing temperature on the properties of the coatings [PDF]

open access: yesJournal of the Serbian Chemical Society, 2005
Synthetic resins are used as binders in protective coatings. An alkyd/melamine resin mixture is the usual composition for the preparation of a coating called “baking enamel” cured through functional groups of resins.
RADMILA Z. RADICEVIC   +1 more
doaj   +3 more sources

Evaluation of diffusive gradients in thin-films using a Diphonix® resin for monitoring dissolved uranium in natural waters [PDF]

open access: yes, 2015
Commercially available Diphonix® resin (TrisKem International) was evaluated as a receiving phase for use with the diffusive gradients in thin-films (DGT) passive sampler for measuring uranium.
Burnett, Jonathan L.   +5 more
core   +1 more source

Adsorption of heavy metal ions and azo dyes by crosslinked nanochelating resins based on poly(methylmethacrylate-co-maleic anhydride)

open access: yeseXPRESS Polymer Letters, 2014
Chelating resins are suitable materials for the removal of heavy metals in water treatments. A copolymer, Poly(MMA-co-MA), was synthesized by radical polymerization of maleic anhydride (MA) and methyl methacrylate (MMA), characterized and transformed ...
M. Ghaemy, A. Masoumi
doaj   +1 more source

Home - About - Disclaimer - Privacy