FIELD: methods of production of nonexplosive powders containing finely dispersed metal particles. SUBSTANCE: method for producing nonexplosive powder containing finely dispersed metal particles suitable for application in refractory mixtures includes combined grinding without introduction of particles of refractory substance into particles of mixture of metal pieces and pieces of inert refractory ...

FIELD: wind-driven electric plants. SUBSTANCE: wind-driven electric plant includes windwheel-generator-wind vane unit connected with mast by means of helical spring fitted with strip in the middle and with twisted edges, thus ensuring free turn under action of wind and return of unit to initial position after twisting to avoid excessive twisting of cable and its break. EFFECT: enhanced efficiency....

FIELD: development and designing of low-power wing-driven electric plants. SUBSTANCE: proposed wind-driven electric plant has stator of electric generator with two windings with number of turns equal to w1 and ; each winding is connected with storage battery through individual rectifier; their sections are separated in slots forming independent poles of sta...

FIELD: electrical engineering. SUBSTANCE: proposed electrolyte includes, per cent by mass. Cadmium sulfate 13.0-18.0; sulfuric acid 0.1-50.0; acid 0.001-0.1; acid 0.001- 0.1, distilled water being the balance. Additive contains, per cent by mass: cadmium sulfate 13.0-28.0; sulfuric acid 0.1-0.3; acid 0.001-0.1; acid 0.001-0.1, water being the balance. EFFECT: usage of proposed electrolyte prevents...

Apparatus for preparing bivalve shellfish, such as oysters, for sale consists of a metal blade (8), which is inserted between the two halves (3,4) of the shell and severs the ligament (6) which holds them together. The two shell halves are then re-positioned along the line of their natural joint, and after purchase the consumer merely has to slide a blade between the shell halves to separate the f...

Dispositif de broyeur industriel.
Il comprend au débouché d'une trémie d'alimentation (3), d'une part un tambour (1) mû en rotation continue sur un axe horizontal (2), la paroi cylindrique (11) du tambour (1) étant percée d'ouvertures (10) dans chacune desquelles peut coulisser, pour saillir de la surface cylindrique (11) du tambour (1), une dent (50) montée en libre rotation par son extrém...

According to the method of the present invention for detecting errors in executing a program including a main routine and an interrupt routine in a microprocessor, execution errors can be detected irrespective of whether it occurred in a main routine or an interrupt routine. A cancel code for a watchdog timer is entered in the variable value data DT in the main routine, and a count value TC of a w...

The heating iron has a central body (1) fitted with a fixed heating element (2), a handle (8) with a second heating element (3), opposite the first, pivoted from the central body. Electric power for the heating elements is provided through a cable (9) emerging from the inner end of the handle. In the rest position the heating iron is in the open position. The heating iron has, at the end of the ce...

A system for data transmission over an electrical link (12) including at least one distribution server (10) and one client station (11), which requests transmission of a specific data set from a distributor, communicating with the distribution server (10). The server (10) is arranged to produce a first encrypted and with a password-locked package of said specific set of data, the password being ge...

A system for data transmission over an electrical link (12) including at least one distribution server (10) and one client station (11), which requests transmission of a specific data set from a distributor, communicating with the distribution server (10). The server (10) is arranged to produce a first encrypted and with a password-locked package of said specific set of data, the password being ge...

Methods of scenting plastics by incorporating scenting material into a carrier and then incorporating the scented carrier into a plastics material are disclosed. A wide variety of fragrances can be incorporated into vinyl-acetate-containing polymers, particularly EVA, and the resulting scented material incorporated into other plastics such as polyethylene. The resulting scented plastics material s...

The method comprising measuring the rate at which working fluid is expelled from a cavity through a central tubing to a well head under atmospheric pressure at the well head; determining the shape of a zone of the well selected for positioning an interface between a test fluid and the working fluid; performing temperature measurements and pressure measurements over the full height of a cavity unde...

FIELD: medicine, particularly, stomatology, namely, roentgenographic examination of caries. SUBSTANCE: glass composition comprises, mol.%: SiO2, 17.6-21.6; P2O5, 0.8-3.5; Al2O3, 9.0-11.0; Na2O, 0.5-3.0; MO, 17.9-19.7; F, 42.2-54.2; where MO is BaO, BaO-CaO, BaO-SrO, BaO-CaO-SrO. Glass composition may comprise, mol.%: SiO2, 20; P2

The housing (12) for a small electrical appliance such as a toothbrush or razor or kitchen appliance and the like, has an inner surface (18) of the wall (10) of a second and softer plastics material injection moulded to form a zone (24) at least in separate sections separate from the inner surface (18). They form supports (24), as bars or projections or ribs, for the components fitted within the h...

A data storage medium, e.g., an important personalized document, such as personal identity card, check card, etc., with graphic and/or text data in the c oded and/or uncoded form. The graphic and/or text data are at least partially produce d on a support and additionally reproduced on the data storage medium at least partia lly as separate, optically variable elements. This makes forgery or falsif...

FIELD: shaving devices. SUBSTANCE: system includes base with carrying surface and guard structure being monolithic with said carrying surface and arranged in front of it, cover. Main and additional blades have flat body and cutting edges. Said base or cover is provided with great number of holes and other member such as platform or cover is provided with great number of posts for placing in said h...

FIELD: medicine. SUBSTANCE: fastening members in form of axially symmetric body of rotation made of material compatible with tissue, with external thread, input and setting ends and groove passing from setting end and ending at some distance from its input end are secured in bone. Part of prosthesis with root part and protruding part is introduced into hole and groove of fastening member and fixed...

FIELD: agriculture, in particular, basic cultivation of soil. SUBSTANCE: plow has rotary beam and plow bodies mounted on rotary beam by means of vertical pins, front bar pivotally connected with rotary beam and provided with cross-piece movable along it. Cross-piece has members for connecting to pivot joints of lower tie-rods of tractor hitch. Plow is further provided with brace of adjustable leng...

FIELD: antibiotics. SUBSTANCE: invention describes derivatives of erythromycin of the formula (I) where R - ; m = 1, 2; n = 1, 2; Ar - phenyl possibly substituted with halogen atoms, alkyl or alkylhydroxy-group, CF3 or phenyl; A = B - H or A and B form together carbon-carbon bond; Z - H or C1-C18-carboxylic ...

FIELD: organic chemistry, purine nucleosides. SUBSTANCE: invention relatestomono-,di-ortricomplexestersof2-amino-6-(C1-C5-alkoxy)-9-(beta-D-arabinofuranosyl)-9H-purine of the general formula (I): where arabinofuranosyl residue is substituted at 2'-, 3'- or 5'-positions and esters are formed by carboxylic acids where noncarbonyl moiety is taken fro...