© 2018 Institute of Physics Publishing. All rights reserved. This article deals with temperature calculation results on inner surface of oil pipes and melting of asphalt, resin and paraffin deposits side-wall layer.

It has been found that bisdithiophosphonic acids with aryl substituents at the phosphorus atom quantitatively interact with electrogenerated halogens under the conditions of galvanostatic coulometry. Stoichiometric ...

This paper proposes an effective way of the plasma hardening the surface layer at the expense combined influence of the plasma jet and a cold air flow. After that influence occurs a distinctive by plasma treatment ...

© Published under licence by IOP Publishing Ltd.Improvement of the machines, parts, devices reliability as well as improvement of their quality and operation are topics of interest at the present time. Solution to these ...

© 2018 Institute of Physics Publishing. All rights reserved. this article deals with results of experimental research such as volt-ampere characteristics, electric arc traverse speed and end plasmotron operation performance ...

© Published under licence by IOP Publishing Ltd. Considered process of melt crystallization of the material in a twin-roll mold. Resolved an important problem of heat conduction through the wall of variable thickness, using ...

© Published under licence by IOP Publishing Ltd. this article deals with power efficient device to clean the pumping and compression pipes from asphalt, resin and paraffin deposits.

A method for estimating papaverine HCl and drotaverine HCl by coulometric titration with biamperometric indication of the end point was developed. The stoichiometric coefficients of the reactions of papaverine and drotaverine ...

Petroleum industry uses large amount of pumping and compression pipes. Carrying out the whole range of repair works requires cleaning of the pipe inner surface from deposits which appeared in it during operation [1]. The ...

This paper presents the results of the calculation the thermal field distribution on the surface of processed partunder the influence of a moving heat source (of the low-temperature plasma).