FIELD: disintegration equipment. SUBSTANCE: method comprises steps of mechanically acting upon material to be broken at applying sign-variable frequency-modulated electric potential to mechanical apparatuses for breaking material and to material placed in working space of said apparatuses. EFFECT: increased efficiency of traditional equipment for disintegrating materials while reducing energy cons...

FIELD: polymer materials. SUBSTANCE: fiber consists of polypropylene with crystallinity at least 98% and nonoriented ethylene- propylene block copolymer with melting point below 160 C at polypropylene-to-block copolymer weight ratio about (50-95):(5-50). Fiber is manufactured by spinning from melt. Nonwoven material represents lap of thermoplastic polymer fibers, which is often used in the form of...

FIELD: textile industry. SUBSTANCE: nonwoven material has unattached portions arranged in predetermined pattern, in which continuous attached portions define plurality of separate unattached portions. Material is fit for usage as fabric which may be fastened by "hook and loop" type fastening portions. Nonwoven material has fibrous cloth composed of separate threads or filaments. Volume density of ...

FIELD: oil-producing industry. SUBSTANCE: method may be used for prognostication of efficiency of geological and engineering measures in planning of operations for intensification of oil recovery from producing wells, and increase of infectivity of injection wells. Efficiency of geological and engineering measures in carbonate reservoirs is prognosticated by the method of rank classification. In s...

FIELD: measurement technology, measurement of geophysical parameters in hole. SUBSTANCE: device measuring pressure and temperature in hole has two-arm pressure converter with resistance-strain gauges, communication line, multichannel analog-to-digital converter connected to microprocessor. First lead-out of current source is directly linked to first input of multichannel analog-to-digital converte...

FIELD: well logging during drilling. SUBSTANCE: device has downhole unit with transducers recording and reproducing unit and personal computer located on surface. Recording and reproducing unit may be located either together with downhole unit or at the surface and contains power supply unit, switch, mixer, memory unit, controller and interface converter. Power supply unit supplies recording and r...

FIELD: computer engineering, in particular, electronic banking system or shared database of office server. SUBSTANCE: method involves presentation of user identification data, recording of personal information about user in electronic registry. When at least two users contact, particular information of each user is joined into common information and parts of confidential information of previous co...

FIELD: computer engineering, in particular, running of electronic financial transactions. SUBSTANCE: method involves converting confidential information produced by contact of several users from linear array into n-dimensional matrix, which has altered order of information cells. Then, method involves using such n-dimensional matrix for production of new linear array, in which content of informati...

A method and a device for access control, whereby a control unit (13) is operatively connected with a memory (14) for storage of authorized identification numbers for current service or access in a register. The control unit (13) is operatively connected with a telephone unit (12) for reception of an identification number of a calling party by means of a telephone connection made by wireless telep...

A method and a device for access control, whereby a control unit (13) is operatively connected with a memory (14) for storage of authorized identification numbers for current service or access in a register. The control unit (13) is operatively connected with a telephone unit (12) for reception of an identification number of a calling party by means of a telephone connection made by wireless telep...

FIELD: building industry. SUBSTANCE: concrete comprises portland cement, concrete claydite gravel, sand, water and gypsum which is lactic acid production waste containing 83-95% of CaSO4.2H2O, ratios of components being as follows, wt %: portland cement, 14.6-18.5: concrete claydite, 56.3-57.6; sand, 9.4-9.6; gypsum slurry, 7.7- 15.4; and water, the balance. EFFECT: improved easy placability of co...

FIELD: polymer production. SUBSTANCE: invention provides one-molecule cross-linked organopolysiloxane particles with chemically bound metal compounds having average diameter 5 to 200 nm. Particles are soluble to at least 1 wt % in at least one solvent selected from group including dichloromethane, pentane, acetone, ethanol, and water. At least 80% of particles have diameter differing no more than ...

FIELD: polymer materials. SUBSTANCE: thread consisting of bundle of continuous inorganic fibers is disassembled into separate fibers, which are moistened with solution containing organic solvent and 1 to 30% of additive selected from group including: compound with general formula I ( (I)), compound with general formula II ( (II)), ethyl...

A method of forming a dielectric thin film pattern, comprises the steps of : depositing a dielectric thin film on a substrate having a resist pattern thereon by a vapor deposition method, wherein as a material for the dielectric thin film, at least one of CeO2, Sm2O3, Dy2O3, Y2O3, TiO2, Al2O3, and MgO is used; and removing the resist pattern whereby the dielectric thin film is patterned.

FIELD: computer engineering. SUBSTANCE: method involves representation of source image as matrix of pixels, splitting source image into n frequency channels, each of which has matrix of same size as source image, detection of image boundaries, and production of output image from said n frequency channels, taking into account detected boundaries. Goal of invention is achieved by splitting image int...

FIELD: manufacture of straining, expanding and shrinkage-free cements and concretes. SUBSTANCE: expanding additive comprises spent catalyst for purifying natural gas and accompanying oil gases containing at least 75% of Al2O3 and gypsum, ratios of components being as follows, wt %: said catalyst, 15- 20; and gypsum, 80-85. EFFECT: greater thickness of structure of cement stone and reduced transmis...

FIELD: construction, more particularly manufacture of building materials. SUBSTANCE: heat resistant slag and alkali foam concrete comprises, wt %: finely dispersed slag, 55.0-57.56; low-modulus liquid glass, 30.29-32.063; foaming agent, 0.17-0.2; alkali-resistant fiber glass in the foam of fibers of 2-3 cm long, 0.27-0.29; sodium phosphate, 0.27-0.46; and water, 11.36-12.13. Density of finished pr...

FIELD: building industry, more particularly renovation and restoration of ancient structures. SUBSTANCE: composition comprises, wt %: liquid glass, 28.5-32.0; active mineral filler such as zeolite-containing rock, 2.7-10.0, and water, the balance. EFFECT: improved strength properties of stonework, more specifically compression strength, normal cohesion strength, density water resistance, and elimi...

FIELD: building industry, more particularly coating of porous materials such as concrete, brick, tile and ceramics. SUBSTANCE: sealant comprises three components functionally bonded together in 70:0:42: balance, ratio. First component comprises wt %: portland cement 40-60; calcined siliceous component of sand having fraction of less than 319 mcm, second component comprises, wt %: calcium nitrate, ...

FIELD: building materials industry, more particularly manufacture of prefabricated and monolithic products and structures. SUBSTANCE: concrete mix comprises cement, filler and complex additive which includes ammonium nitrate, calcium chloride and bishofite which comprises basically (up to 96%) of crystalline magnesium chloride MgCl2.6H2O, ratios of additive components being as follows, wt %: ammon...