FIELD: wells operation technology. ^ SUBSTANCE: power and information are transferred by sending alternating currents along the cable, frequency of which is greater than resonance frequency of electrical system of device and is no greater than frequency of fading of oscillations in a cable, while frequency of power current is different from frequency of information transfer in no less than ten tim...

FIELD: electrical engineering; manufacture of lead-acid storage batteries. ^ SUBSTANCE: proposed method includes introduction of phosphoric acid H3PO4 into active material prepared of mixture of two source lead powders I and II in mass ratio of (0.3 0.7) : (0.7 - 0.3) with mean particle size, as measured by means of sediment-metric analysis, of 2.6 - 2.8 m for I, and -3.2 - 3.4 m for II and oxidat...

A shower-bath booth structure ( 1 ) comprising up-right elements arranged to define a booth and formed with at least one clear portion, a base element ( 2 ) provided with a water drain outlet ( 9 ), and a sprinkling device ( 5 ) connected to the water supply is described. Advantageously according to the present invention, the shower-bath booth structure ( 1 ) further comprises tanning lamps ( 7 ) ...

Methods are provided for forming a plurality of air diffusers from a sing le fiberglass and foil blank (30). At an automated pre-forming station (14) upstream of a molding station (16), a blank has pressed therein two air diffuser patterns (50) at a middle portion (42), two patterns at a first catercorner portion (40) and two patterns at a second catercorner portion (44) and the pressing of each s...

The invention relates to articles treatment, in particular to assembling and disassembling metallic and non-metallic units and is used mainly for demounting insulation coatings of ocean vessels. The inventive method consists in performing an action on an insulation layer in such a way that it is bent and detached from a metalic base. For this purpose, the insulation layer is perforated, a highly-p...

FIELD: materials storing facilities. ^ SUBSTANCE: invention relates to methods of manufacture of reels and mounting of reel cheek consisting of set of sectors fitted to each other to form disk, and of U-shaped rim. To manufacture reel cheek, rim is closed and sectors are installed, one by one, so that outer end of sector gets into ring slot of rim. Prior to mounting last sector, force is applied t...

Erythromycin derivatives (I) are new. Erythromycin derivatives of formula (I) and their acid addition salts are new. Y' = H or F; n = 1-8; Z = H or carboxylic acid residue; and Q = pyrazol-1-yl (optionally substituted by at least one 1-8C alkyl, 2-8C alkenyl, 2-8C alkynyl, 1-8C O-alkyl, 2-8C O-alkenyl, 2-8C O-alkynyl, 1-8C S-alkyl, 2-8C S-alkenyl, 2-8C S-alkynyl, OH, NH2, cyano, NO2, CF3, 5-18C ar...

A communication system in accordance with the present invention includes at least one network appliance device (3415) which is coupled to a network (3402). The network appliance device (3415) includes software for detecting incoming calls and initiating call sessions in accordance with a signaling protocol. The system further includes a wireless communication gateway (3410) coupled to the network ...

A method and apparatus for constructing a dispensing end portion of a cartridge used to hold and dispense food sauce. A flat end disk is held in a transfer pocket and moved by a disk punch through a die opening smaller in diameter than the disk. The die bends the peripheral portion of the disk into a skirt. The disk punch inserts the disk into the open end of a cartridge body and against a mandrel...

FIELD: catalyst preparation methods. ^ SUBSTANCE: invention provides double metallocide catalyst containing (i) one or more double metallocide compounds of formula: Mx[M'x'(CN)y]2 wherein M represents metal selected from group including Zn(II), Fe(II), Ni(II), Mn(II), Co(II), Sn(II), Pb(II), Fe(III), Mo(IV), Mo(VI), Al(III), V(V), V(IV), Sr(II), W(IV), W(VI), Cu(II) and Cr(III); M represents metal...

FIELD: glassmaking. ^ SUBSTANCE: strengthening or restoration of strength of flat base made of brittle oxide comprises following steps: (i) coating edges of brittle oxide base with strengthening composition without coating large flat surfaces of base and (ii) hardening coating. In addition. invention provides strengthened brittle oxide base, for example glass and window containing strengthened bri...

FIELD: automotive industry. ^ SUBSTANCE: proposed device contains outer shell rotating with threaded case which can be turned onto connecting tube of tire inflating valve, pusher with cavity closed by deformable plate, bellows separating chamber over pusher from second chamber under pusher. Said plate flexes downwards when atmospheric pressure acts onto cavity and pressure in tire exceeding preset...

A system and method of determining and displaying a failure in an electronic appliance control system employs diagnostic codes which indicate both a primary system where a fault occurs and a subsystem in fault. The diagnostic codes are displayed so that repair personnel may be able to more accurately replace only the faulty part, as opposed to replacing an entire appliance control system. The diag...

The invention provides a "hybrid" high voltage multiphase distribution substation having one or more sets of busbars including at least one air-insulated set of busbars (10), the substation having feeders (A, B, C, D) for air-insulated lines (21, 22) placed in substantially parallel bays (11, 12) on either side of the set(s) of busbars (10) and including metal-clad breaking and switching modules e...

Method for the production of binder-bound mineral wool products, in which mineral fibers are deposited on a production surface (13) to form a mineral wool web (12) and are compacted, and their relative positions are reoriented by mechanical action, for which purpose the web is guided on its large faces and at the same time forces, in particular upsetting forces, are introduced into the web in para...

There is provided a device and method for transmitting packet data in a mobile communication system. A sub-code generator generates a plurality of sub-codes with the same or different code rates for the input of a PLP (Physical Layer Packet) information bit stream. A controller determines a minimum data rate by which the number of the modulation symbols of a sub-code generated by a predetermined m...