The processes design range of problems on the basis of creation and the subsequent transformations of their graphic images is investigated. Utilization importance for these purposes of the capacity of the existing systems of automated design (CAD) is designated.
The subject of this econometric study was the production functions of natural gas production industry in Sakha Republic (Yakutia) for 1968-2008. The production functions can be applied for short-term and medium-term natural gas production forecasting by the Sakha Republic Council of Ministers as well as by regional gas production companies.
The article deals with the types of spatial transformation of urban public transport networks in post-communist countries of CEC and the former Soviet Union from 1989 to 2009.
Originally, safety of goods was presumed to be a guaranteed part of quality of goods, and producing of goods of a poor quality was regarded as a crime (soviet period). According to the present day approach towards technical regulation only safety requirements are obligatory, and quality of goods is not being provided by state, with certain exceptions. One of them is the turnover of oil and oil products. In the article the author analyses provisions of the Instruction on control and quality providing of oil products turnover (established by the order of RF Energy Ministry of 19.06.2003) and Technical Regulations on requirements for the automobile and air engine fuel, diesel and ship fuel, fuel for reaction-propulsion units and furnace fuel oil.
To investigate the stability of the porous bearings developed computational model heterogeneous porous bearing of finite length. Given the permeability anisotropy of the porous layer in the paper the problem of stability of motion of a pin in the bearing for the two different versions of lubrication: the axial direction and in the direction perpendicular to the axis of the bearing. Obtained and analyzed the tasks identified areas of stability of motion spine.
Based on the Darcy equation and the modified Reynolds equation of unsteady in the framework of a short bearing hydrodynamic calculation method is proposed inhomogeneous two-layer porous bearing of finite length. The cases here, when the lubricant is applied in the axial direction and the direction perpendicular to the bearing axis. Based on the analytical expressions for the components of the supporting force composed equations describing unsteady motion of the spike in the bearing. Found a numerical solution of these equations for given values of the parameters of state, the permeability ratio of porous layers, as well as directions of forced lubrication. It also solves the problem of stability of motion of the tongue and define the boundaries of sustainability.