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2.710  Articles
1 of 271 pages  |  10  records  |  more records»
In the article one of directions of creation of a repair material with the set technological and operational properties by means of modifying additives of the directed or multifunctional action is considered. The review of modern synthetic additives for m... see more

 Wax deposition in crude oil especially at low temperature causes serious problem during its storage and transportation since this deposited wax gradually immobilizes the oil. Thus, waxy crude oils have high pour point resulting lots of handling prob... see more

The influence of the nature of the electrode-active substances (EAS), the composition of the external and internal solutions on the formation of the analytical signal of polyvinylchloride (PVC) membranes based on associates and triple metal-polymeric comp... see more

In the article one of directions of creation of repair material with the set technological and operational properties by means of use of modifying additives of the directed or multifunctional action is considered. The requirements to repair compositions o... see more

New analytical systems «polymeric flocculant (PF)-nonylfluorone (NF)-metal ion» were proposed for spectrophotometric determination of germanium and tin in plant materials. It is shown the higher efficiency of the modifying action of PF nonionic ... see more

Chemically modifying vegetable oils to produce an alternative to petroleum-based materials is one of the most important emerging industrial research areas today because of the adverse effects of petroleum products on the environment and the shortage of pe... see more

This paper presents the results of a study on the catalytic activity and selectivity of nickel and palladium catalysts in hydrogenation reactions of nitro- and acetylene compounds. It was shown that the activity and selectivity of nickel catalysts in the ... see more

The object of this study is a technology of the new surface-active substances (SAS) based on sulfomethylated phenol. The study's aim was to improve the technology by a catalytic method, implying the development of industrial schemes for the synthesis proc... see more

As a tropical country which has abundant of spices, Indonesia is challenged to increase the economic values of spices commodity in raw material form (wet or dry). One way to raise the economic values of these commodities is by modifying into its derivativ... see more

1 of 271 pages  |  10  records  |  more records»