FIELD: wind power engineering. SUBSTANCE: invention relates to wind thermoelectric generators using wind energy for heating water and generating electric energy. According to invention, proposed wind thermoelectric generator contains thermal generators installed in platform and base, conical cup and stop rigidly connected with vertical shaft, piezoelectric elements and piezoelectric film. Upper th...

FIELD: wind power engineering. SUBSTANCE: invention relates to devices generating electric energy by using forces of air flow. Proposed plant contains blades installed on stand for rotation around their axis and electric generator functionally coupled with blades and energy consumer. According to invention, at least one part of generator is connected with at least one of movable parts of blade dev...

FIELD: electronic trading. SUBSTANCE: method involves determination of deposit margin deficiency for every bidder; in case of no deficiency bidder proceeds with business application, submitted application is checked for validity, valid applications are placed in application queue, and deals are made in case cross applications are available; if margin is lacking, bidder is given authority to settle...

A catalyst regenerator for regenerating spent light FCC catalyst and heating the catalyst to supply heat to an FCC reactor. The regenerator has discharge outlets for catalyst and off gas and a valve for introducing spent catalyst through a central stand pipe portion. The regenerator houses a dense phase catalyst bed. A centerwell receives a lower end of the standpipe portion and defines an annulus...

A smart card with a card carrier on which a data processing circuit and also a connection assembly for the contactless communication of data between the data processing circuit and an external data processing station are provided. In the course of producing a prior art smart card, an integrated circuit is applied to a card carrier made of plastic. Afterwards, a transmitting/receiving coil connecte...

FIELD: mechanical engineering. SUBSTANCE: invention relates to device for machining flexible flat articles with feeding device 10. Feeding device 10 contains feed members 12 arranged one after the other. They consist of shaft segment 24 set continuously into motion in direction B of rotation and countermember 26 engaged with shaft segment. Rear section 44 of corresponding shaft segment 24, togethe...

The present invention provides structures of small molecules capable of modulating apoptotic cell death. More specifically, the structures relate to the structures of apoptotic active sites of mammalian alpha-fetoprotein (AFP) and albumin. Peptides mimicking the active site contain two sequences, Arg-Gly-Asp and Asp-X-X-Asp, wherein X means any amino acid. These sequences are needed in the same mo...

FIELD: organic chemistry, chemical technology, insecticides. SUBSTANCE: invention describes 13-substituted derivatives of milbemycin of the general formula (I): and their salts wherein R1 represents methyl group, ethyl group, sec. -butyl group; R2 represents hydrogen atom, or alkyl group with 1-6 carbon atoms; R3 represents hydrogen atom, acetyl group, pentynoyl group and alkylsulfonyl group; or R...

FIELD: organic chemistry, pharmacy. SUBSTANCE: invention relates to substituted derivatives of propanolamine of the formula (I): and their pharmaceutically acceptable salts wherein R1, R2, R3, R4, Z, m and n are given in cl. 1of the invention. Compounds of the formula (I) elicit hypolipidemic activity and can be used in medicine. EFFECT: valuable medicinal properties of compounds. 4 cl, 2 tbl, 68 ...

Semi-permeable membranes are described that allow for the efficient processing of many liquid based feed solutions, particularly those that contain acids. The membranes of this invention are able to process such feeds with high permeate rates while maintaining excellent retention of dissolved metals, cations, and organic compounds, even in the presence of hot concentrated acids. The semi-permeable...

FIELD: organic chemistry, pharmacy. SUBSTANCE: invention relates to new derivatives of 2-aminopyridine of the general formula (I): wherein A means radical of the formula: wherein R1, R2, R3 mean hydrogen, halogen atom, hydroxyl, alkyl or alkoxy-group, and other groups; or radical of the formula: wherein R8 means hydrogen atom; X means radical -(CH2)m-Q; m is a whole number from 0 to 6; Y means alk...

A refractory coating is provided for a component of an electrolytic cell for the production of aluminum in which an aqueous slurry is prepared comprising particulate refractory material, e.g. TiB2, dispersed in an aluminum oxalate complex. The slurry is applied as a coating to the surface of the component, e.g. a cathode block, and dried to form a hard refractory surface on the component. The alum...

Coded microparticles for use in chemical or biological library synthesis are produced by delineating particles in a plastics sheet supported on a substrate and removing the particles from the substrate.

The invention is based on a method of taking liquid samples and determining the characteristics of such samples, drawing the samples into a by-pass system, and consisting of the following steps: - a liquid sample from a pipe section of a processing plant is drawn into a mainly vertical pipe section of the by-pass system by a pump, - a first test valve is shut off, and the pump will create a vacuum...

FIELD: transport sea vessels and sails. SUBSTANCE: telescopic mast 3 is installed on vessel in support bearing 2. crosspieces 5 are directed from mast top slightly upwards and are connected with upper corners of sail 9 made in form of truncated pyramid. EFFECT: lower center of sail area. 5 cl, 1 dwg

FIELD: nuclear power engineering. SUBSTANCE: nuclear steam-generating plant has tank holding boric acid solution for reactor cooling. Boric acid tank has pipe connections, each of them, except for upper one, being provided with valve. The latter has lock, counterpoise, and hollow ball coupled to counterpoise through control link. EFFECT: enhanced safety of nuclear steam-generating plant. 2 cl, 3 d...

An improved burner for partial oxidation process gas generators is provided which has annular passages formed between coaxially aligned conduits extending from upstream sources to the downstream reaction zone. An outer coolant jacket, internally baffled from optimum coolant flow and sized for minimum downstream area surrounds a recessed and fuel/oxidizer delivery conduit ending in a nozzle. The ce...