The article deals with the optimization of the process of disintegration of rock jaw crusher. The mathematical model that minimizes the costs of the process of crushing the rock.

Keywords: disintegration of rock, mathematical models, optimization

This article discusses the problems of  retail network in Russia and the main directions of development of the domestic networks in connection with the expansion of foreign networks and Russia's WTO accession. In the harsh conditions of competition will survive only those commercial enterprises that will   practically use logistic as business philosophy and methodology, and  the main provisions of logistics management in  their business practice  

Keywords: Retail network, development of retail network, Logistizatcija retail network problems network retail, logistics strategy, logistics management

Patent search has been accomplished and guidelines of patenting of stamp-welded wedge valves’ frames for shut-off valves for the plants of > nuclear power, thermal power, oil and gas industries and for main piping are  given. 

Keywords: nuclear power plants, valve industry, pipeline valve, shut-off valve, wedge valve, main piping

The results of a patent search in the field of quality improvement of main piping valve gate’s sealing faces for the plants of nuclear power, thermal power and oil and gas industries are given

Keywords: valve gate, wedge valve, main piping, patent search, sealing face

The need for specialists who know the basics of engineering creativity and practical skills of invention and the feasibility of using this methodology for functional and technological analysis. The results of the use of the said methodology in Petrozavodsk state University.

Keywords: analysis and synthesis, methodology, technology patentable subject matter

The results of a patent search in the field of shut-off valve constructions for nuclear power plants, thermal power plants and main piping are given.

Keywords: Nuclear power plants, shut-off valve, construction, main piping

  Promising directions of making the environmentally sound shipping packages for spent nuclear fuel transportation and storage are considered.

Keywords: shipping package, spent nuclear fuel, transportation and storage

   A brief analysis of development problems of the regional engineering. The basis adopted engineering complex of Karelia. A relationship between the state and federal aspects of engineering.

Keywords: analysis, engineering, development, regional