FIELD: textile industry. SUBSTANCE: nonwoven material has fibrous layers connected by knitting-stitching method and comprising 50 wt% of viscose filament with linear density of 0.44 tex, cutting length of 90 mm, and 50 wt% of Dacron filament with linear density of 0.33 tex, cutting length of 60-66 mm. Nonwoven materials produced from synthetic filaments may be used in transport engineering, in par...

FIELD: wind power engineering. SUBSTANCE: proposed windmill set which has no reduction gear is provided with tower base on which segment stator is mounted and also rotation wind wheels with shafts, blades and segment members. According to invention, turnable base is furnished with tail, and segment members are provided with two rotary pairs. First rotary pair of each member is installed in end fac...

FIELD: electronics, indication systems employing A C gaseous-discharge indicator panels, specifically, color TV gaseous-discharge videomodules. SUBSTANCE: high control reliability is provided in design thanks to fact that in pairs of first and second display elements placed in series along control electrode the last one or two electrodes of indication of first display element are common with secon...

FIELD: electrical engineering. SUBSTANCE: battery has auxiliary lead-out contacts along with main ones, each of them being electrically connected to respective main lead-out contact and secured on front or rear working edge of case symmetrically with respect to main lead-out contact of same polarity. Auxiliary lead-out contact is disposed either against respective main lead-out contact or along sa...

Microcellular polyurethane flexible foams suitable for use as lightweight shoe sole components are produced by dissolving carbon dioxide into one or both of the iso-side or resin-side of an isocyanate-prepolymer-based microcellular polyurethane foam formulation. The resultant foams possess more uniform cell structure and enhanced physical properties as compared to all water-blown foams of the same...

FIELD: polymer materials. SUBSTANCE: suspension contains water-soluble synthetic associative thickening polymer, water-soluble carbon-containing salt (in particular aliphatic carboxylic acid sodium salts), and water. Suspension is prepared by dissolving carboncontaining salt in water, adding polymer, and mixing it with salt solution. EFFECT: enabled preparation of fluid thickener, which manifests ...

According to the present invention there is provided a method for the treatment of vulcanized rubber comprising the steps of: providing a solution of sulfur in a fatty acid or ester or a salt thereof; blending the solution with particulate vulcanized rubber; and heating the blend for a time period and at a sufficient temperature and pressure to substantially devulcanize the rubber.

FIELD: materials presenting xerogels of silicon dioxide with controlled solubility and produced by conversion of sol into gel, and their application. SUBSTANCE: means for delivery includes slowly decomposed small-diameter particle of silicon dioxide xerogel produced in process of gel formation from sol. In said process, sol gelling and water or solvent evaporation take place concurrently, and biol...

FIELD: organic chemistry, antibiotics. SUBSTANCE: invention relates to derivative of erythromycin A 9-O- benzodithioloxime of the formula (III) where Y1 and Y2 represent hydrogen atoms or trimethylsilyl groups or its crystalline solvate that are used as an intermediate compound for synthesis of clarithromycin. Also, invention proposes methods for preparing clarithromycin of the formula (I) on the ...

FIELD: petroleum processing. SUBSTANCE: naphthenic acids, heavy metals, and sulfur are removed from oil feedstock by performing following operations: (i) treating initial oil feedstock containing organic acids, heavy metals, and sulfur with ethoxylated amine and water under conditions, over a period of time, and at temperature appropriate to form water-in-oil emulsion of amine salt, said amine hav...

FIELD: medicine, immunology, genetic engineering, pharmacy. SUBSTANCE: invention relates to murine monoclonal anti-idiotypic antibody BR 55-2 Ab2 that is a substitute of antigen Lewis Y6. Antibody is prepared by means of hybridoma technology using conjugate of fragment F(ab')2 JgG63 BR 55-2 of mouse as an antigen. Prepared anti-idiotypic antibody is used for prophylactic or therapeutic immunizatio...

FIELD: aerosol containers. SUBSTANCE: aerosol container cap is provided with central hole for aerosol sprayer and outer edge designed for hermetically sealing cap on open end of aerosol container body. Cap is made of relatively thin metal in form of convex dome. Cap is secured on container body by seaming. At initial stage of manufacture, cap is provided with flush groove near outer edge which is ...

FIELD: textile industry. SUBSTANCE: nonwoven material comprises plurality of substantially continuous two-component threads manufactured from first thermoplastic polymer and second thermoplastic polymer, individual two-component threads arranged in individual zones transverse to cross- section, and plurality of pulp filaments introduced into mass of substantially continuous threads. According to o...

FIELD: rolling of metals. SUBSTANCE: invention relates to devices designed for coiling metal strip and it provides reliable support of holder in all positions, even at turning of mounting support. Proposed mandrel-type has at least two rotating holders shifted by turnable mounting support providing possibility of setting each holder, successively, in first position for beginning of winding operati...

FIELD: chemical technology, pharmacy. SUBSTANCE: invention relates to the improved method for preparing the known anti-inflammatory substance mometasone furoate (I). (I) is prepared by direct esterification of 17-hydroxyl group of mometasone using 2-furoyl chloride in the presence of tertiary amine and inert solvent, preferably, dichloromethane without preliminary protection of free 11-hydroxyl gr...

FIELD: shock-proof unit for electronic circuit, in particular, for explosive devices. SUBSTANCE: the electronic circuit is enclosed in a capsule, which is contact with the body surrounding it and dissipating the energy of impact. The capsule may have a great number of ribs, plates or bosses, which rest against the body. The capsule may include a material absorbing the impacts and positioned near t...

FIELD: catalytic reactors of radial type for production of synthesis gas applicable in chemical industry for processing of hydrocarbon gases. SUBSTANCE: catalytic reactor has plugged from one side gas distributing tube with catalyst layer. Catalyst is made in form of gas-permeable flat and corrugated strips wound and baked with gas distributing tube with gaps between turns and formation of gas-air...

FIELD: nuclear engineering; operating mechanisms for control rods of reactor control and protection systems. SUBSTANCE: control gear that functions to ensure control of each step of rod during its displacement which is most essential in diagnosing its condition has shunt position indicators made in the form of two similar coils with magnetic cores and two windings positioned in immediate proximity...