FIELD: materials handling; packing of loose material into bags made of thermally weldable materials. SUBSTANCE: machine has sleeve shaper, welding roller to form longitudinal seam and welding-and-cutting members to form cross seam suspended from eccentric axles of two pairs of gear wheels turning towards each other. length of cutoff bag can be changed by changing suspension radius. EFFECT: provisi...

FIELD: oil-producing industry; applicable in construction of wellbore in ground formation in selected direction with respect to neighboring wellbore formed in ground formation. SUBSTANCE: method includes installation of source of electromagnet radiation in the first of the wellbores in many points over its length. The source induces electromagnetic field which penetrates into the second of the wel...

FIELD: wind power engineering. SUBSTANCE: guide vanes of plant are thin- walled stiffness fins fixed on inner surface of contraction between its inlet and turbine; they are twisted over helical line in direction of turbine rotation; overhanging from ends of fins in gap between contraction neck and generator barrel are flexible plates with definite swirling angle provided at plate ends. EFFECT: sim...

FIELD: energy generation. SUBSTANCE: process increasing energy produced by system of gas turbine includes compression of ambient air by main compressor and preliminary compression of air during hot humid weather above flow from main compressor to pressure value not higher than 115% of pressure of ambient air. Prior to feed of preliminarily compressed air to main compressor it is cooled. Air compre...

An enhancer (42) receives, combines, and correlates at least two sets of data from different imaging sources, such as a mammographic imaging system (12) and an ultrasound imaging system (16), for imaging bodily tissue, such as breast tissue. The processed data can then be displayed. The enhancer (42) embeds sets of data in matrixes and uses singular value decomposition to compress the data into si...

FIELD: manufacture of building materials, in particular, preparation of concrete mixes for manufacture of facing slabs from concrete, for instance, facade, pedestal or pavement ones. SUBSTANCE: concrete mix contains, wt.%: portland cement, 19.5-20.1; crushed stone, 48.2-48.5; sand, 30.0-31.5; superplasticizer based on sodium salt of condensation product of naphthalenesulfonic acid and formaldehyde...

The invention relates to a lubricating grease composition and to an advantageous use of such a lubricating grease composition. The lubricating grease according to the invention comprises at least one polyolefin component, at least one base or component and, in addition, at least one rubber component. The properties of the lubricating grease composition according to the invention, for example with ...

The invention relates to a lubricating grease composition and to an advantageous use of such a lubricating grease composition. The lubricating grease according to the invention comprises at least one polyolefin component, at least one base or component and, in addition, at least one rubber component. The properties of the lubricating grease composition according to the invention, for example with ...

FIELD: chemical industry. SUBSTANCE: composition comprises, wt %: caustic dolomite. 70.0-75.0; 50-80 wt % containing slag, 20.0-15.0; calcined superphosphate, 3.0-5.0; magnesium sulfate, 1.0- 1.5; zinc oxide, 0.2-0.3; plasticizer, 0.8-1.0; and talc, the balance. EFFECT: improved frost resistance of products. 2 tbl

FIELD: building materials industry, more particularly preparation of concrete mixes, more specifically foam concrete or its varieties. SUBSTANCE: foaming agent comprises, wt %: triethanolamine salts of C7-C14 alkyl sulfates, 15-45; higher fatty C10-C13 alcohols, 0.35-6.1; triethanol amine, 0.5-3.0; triethanolamine sulfate, 1.4- 4.5; and lime milk, the balance. E...

A fibre product manufactured of flax or a corresponding stem fibre plant constitutes a structural element containing both actual fibres (1) of the stalk and wood splinters or shives (2) originating from the same plant raw material and incorporated in the product by crushing the structure of the stalk to a sufficient degree. The product can be a pressed-to-shape structural element or a porous produ...

A comentitious composition of the setting type which can be kept in a ready-mixed state and which can be caused to set and harden upon introduction of an accelerator with reproducibility and set time predictability. The cementitious base composition contains calcium sulfate hemihydrate as a principal filler material and certain non-calciun bearing phosphate additives which prevent setting action i...

FIELD: organic chemistry, antibiotics, pharmacy. SUBSTANCE: invention relates to 9a-N-(N'-carbamoyl)- or 9a-N-(N'-thiocarbamoyl)-derivatives of 9-deoxo-9a-aza-9a-homoerythromycin A of the formula (I) where R means C1-3-alkyl, C6-10-aryl or C6-10-aryl-C1-3-alkyl, 5- or 6-membered aromatic ring containing 1 or 2 heteroatoms taken ...

FIELD: medicine. SUBSTANCE: N -acyl-5'- desoxy-5-fluorocitidine derivatives of general formula (I): wherein R is alkyl, cycloalkyl, alkenyl, alkoxyl, aralkyl such as benzyl, aryl such as phenyl optionally substituted by halogen atom, one to three alkoxy groups, nitro group, alkyl group; five-or six- membered heterocyclic residue such as furyl, thienyl, pyridyl us...

The present invention refers to a system for packing, storing and transporting, particularly in a vertical position, stacks of sheet material such as glass, metal, plastic and large marble plates. The invention provides, for use in packing, storing and transporting sheet material, a sheet material protecting unit including two complementary protecting elements, each including a substantially plana...

This invention presents alkali metal salts of 8,9 dehydroestrone, salts of its sulfate ester, and stable compositions thereof, as well as processes for their production and use in estrogen replacement therapy and cardiovascular protection.

FIELD: chemical industry. SUBSTANCE: composition comprises, wt %: low-molecular butadiene rubber, 100; polyisocyanate, 16-28; urethane formation catalyst, 0.01-1.00; plasticizer, 5-20; trifunctional mineral filler, 50-90; low molecular alcohol, 1-5; 2,4,6-tri-tert-butylphenol, 0.5-1.5. Said composition makes it possible to increase resistance of coating to aging when coating is alternately subject...

The invention relates to a method of analyzing the state of a device, such as a multi-operation machine, comprising the stages: feeding into the device an input signal in the form of a reference signal (2) which controls the device, and detecting an output signal (3, 5) from at least one component (6, 8) of the device, which output signal (3, 5) is dependent on how the device is controlled by the ...

The invention relates to a method of analyzing the state of a device, such as a multi-operation machine, comprising the stages: feeding into the device an input signal in the form of a reference signal (2) which controls the device, and detecting an output signal (3, 5) from at least one component (6, 8) of the device, which output signal (3, 5) is dependent on how the device is controlled by the ...

FIELD: reagent-free methods used in various branches of industry. SUBSTANCE: low- frequency electromagnetic pulse field is employed for treatment of liquid media. Frequency F=12.5 Hz, duration tau=10, current I=500.0 A are optimal parameters of pulses which field is used for disinfection of liquid media. In this case bacteria loose their viability and die. EFFECT: simplified process with high degr...