The article summarizes and analyzes the data of observations on the condition of water resources of the Republic of Kazakhstan. The rivers and lakes of Kazakhstan are sources of water consumed by the population of the ...

In the first part of this investigation (Part I), cone conformers of calix[4]arenes with methylene and heteroatom bridges from the Cambridge Structural Database (CSD) were investigated. Previously introduced parameters α, ...

A review of the authors' own works devoted to the development of «green» methods of chemistry in the synthesis of various derivatives of monoethanolamine and diethanolamine, which are potential surface active substances ...

The article describes the results of studying of the process of copper leaching from model grounds containing 0.02 % of copper oxide or copper sulfide, with solutions of natural and chemically modified complexing agents. ...

One of the promising materials of the 21st century is expanded graphite or thermally expanded graphite. The preparation of nanostructure and thermally expanded graphite with improved specific surface, bulk density and ...

The process of thermolysis of brown coal from the Baganursky deposit of Mongolia has been studied. These coals are characterized by high content of gas component (up to 40 %) and low content of liquid fraction. ...