FIELD: survey of boreholes or wells, particularly for liquid and gas flow rate measurement. ^ SUBSTANCE: flow meter has body, two chambers divided with diaphragm, two secondary pressure transducers, bridge and cap with channels for transmitting ambient pressure to the first chamber. Bridge has groove for the first chamber receiving. Body includes groove for the second chamber receiving with orific...

FIELD: optics; instrument engineering. ^ SUBSTANCE: transreflector has device for reflecting radiation incident onto it from the first direction and device for transmitting light coming from the in direction being opposite to first one. Device for transmitting light has transparent material having first and second surfaces and constructions with bases adjacent to first surface of transparent mater...

FIELD: display engineering. ^ SUBSTANCE: proposed plasma panel that can be used to display information on high-definition flat-panel color television sets and video monitors has its display electrodes assembled into groups with even number of lines N = 2, 4, 6 ..., information-input discharge gap for all lines being formed within each group of lines in one of gaps between pixels of adjacent lines....

FIELD: electrical engineering; lead-acid cells and batteries of intermediate discharge class. ^ SUBSTANCE: proposed cells and batteries are of intermediate discharge class M according to up-to-date International Classification. Novelty is that active material of negative plates is doped with activating additive incorporating 2.5 to 3% of antimony, 0.4 to 0.5% of calcium oxides, and 0.07 to 0.08% o...

FIELD: electrical engineering; liquid silicate electrolyte and its use for storage batteries. ^ SUBSTANCE: proposed electrolyte preparation process includes addition of silicic acid sol in the amount of 5 - 15 parts by weight containing silicon dioxide (SiO2) in the amount of 40 - 60 mass percent to water taken in the amount of 15 - 20 parts by weigh while stirring mixture until its concentration,...

FIELD: exploitation of hopper-cars. ^ SUBSTANCE: aid for controlling location of transportation vehicle is mounted onto transportation vehicle when doing logistic operations as loading and unloading of material into transportation vehicle. Transportation vehicle location control aid can be based onto global positioning system and in this case the linear displacement of transportation vehicle is co...

FIELD: measuring equipment. ^ SUBSTANCE: continuous sheet of electrochemical indicators meant for detection of glucose in blood has multiple first and second electrodes, applied using stencil printing method in form of linear sequence on continuous sheet of flexible substrate material, reagent layer, applied by stencil method above said sheet so that said reagent covers at least one of first and s...

FIELD: oil production industry, particularly to perform fluid flow control during oil extraction process. ^ SUBSTANCE: well has casing pipe with a plurality of perforated sections and production string located inside casing pipe. Alternating current source electrically linked with at least one of casing pipe and production string is located on ground surface and serve to conduct alternating curren...

FIELD: oil industry, particularly to supply and store power necessary for downhole device and appliance operation in oil well. ^ SUBSTANCE: power supply system has current impedance device arranged around borehole pipeline structure and adapted for at least partial defining supply part to transfer alternate current through and along conductive pipeline structure part. System also has power storing...

FIELD: oil industry, particularly to control and/or stimulate fluid flow during oil production process. ^ SUBSTANCE: well has casing pipe, production string, time-alternating current source, borehole chemical injection system and borehole flux-gate restrictor. Casing pipe extends inside borehole. Production string is located inside casing pipe. The current source is located on ground surface and i...

FIELD: electrical engineering; producing long conductors around superconducting compounds. ^ SUBSTANCE: proposed method includes formation of single-core billet by filling silver sheath with bismuth ceramic powder; deformation of this single-core billet to desired size by no-heating drawing at deformation degree per pass of 0.5 - 20%; cutting of deformed billet into measured parts; assembly of sin...

FIELD: life-saving and rescue services. ^ SUBSTANCE: method includes forming an ultra-broadband signal on basis of support signal, formed ultra-broadband signal is emitted to space, reflected ultra-broadband signal is received, received ultra-broadband signal is processed by correlation with support ultra-broadband signal, while during processing of received ultra-broadband signal support ultra-br...

FIELD: electrical engineering. ^ SUBSTANCE: proposed plug socket incorporating pushing means has shroud, its closing cover, at least one contact member disposed on or inside case, at least one pushing component designed to push out the plug directly or by means of at least one intermediate part, and pusher coupled with one end of pushing component and installed in socket shroud and/or in cover for...

A method of conditioning mixed liquor in a membrane biological reactor comprising adding to the mixed liquor an effective coagulating and flocculating amount of one or more water soluble cationic, amphoteric or zwitterionic polymers, or combination thereof and methods of reducing membrane fouling, enhancing membrane flux and reducing sludge production.

A clamp type digital multimeter has one or more digital displays mounted so as to permit at least one of the displays to be read even when attachment of the clamp jaws about a conductor forces the display into an orientation that renders it inaccessibl e. The meter either has a single display that can be pivoted to an orientation convenient for viewing, or it has dual displays mounted on separate ...

Prosthesis set ( 1 ) for persons with amputated limbs/stumps ( 10 ) where the prosthesis set consists of an anchoring part ( 2 ) arranged internally in a remaining marrow bone ( 11 ) and an external prosthesis ( 7 ). The anchoring part ( 2 ) has a bolt-like design with a stem ( 3 ) and an expanded head ( 4 ) in one end, wherein the stem ( 3 ) can be inserted and anchored in the remaining marrow bo...