Jul
06
2011
From the river water is pumped into shallow ditches on surface of the river terraces. Through the thickness of sediment is filtered , replenishing groundwater. Groundwater fed by wells in additional cleaning and then enter the water. Wastewater Treatment Plant decide to preserve the quality of fresh water only to a certain stage of economic [...]
Jul
05
2011
Gasket, mounting to a test of new cable lines with a voltage 0.4-10kV, Moscow cable networks must be carried out by specialized construction and assembly, electrical and cooperative organizations. Staff generating installation of cable lines (superintendents, master) is allowed to work only after the passage of special education and examinations in the commission of iss [...]
Jul
03
2011
tic – and what is it? Theme citation index (TIC) – technology search engine Yandex, which consists in determining the "credibility" of Internet resources based on qualitative characteristics – refer to them with other sites. tic is calculated by a specially developed algorithm, which emphasizes the thematic proximity and resource sites link to it. This [...]
Jul
03
2011
The basis of all the tissues are fibers. They differ in composition, structure and, therefore, properties. Properties of fibers are also reflected in the properties of the tissue. There are two kinds of fibers: natural fibers and chemical fibers. The main indications for the classification are: the chemical composition of fibers and their area of [...]