The utility model relates to a domestic barrel-type solar water heater, comprising a water barrel, a heat-insulating shell and a transparent cover plate. The barrel-type solar water heater which has the advantages of simple structure and convenient operation mainly provides the bathing water in summer for common families.

The utility model relates to a small-size lead-acid accumulator for miner's lamp which is composed of an accumulator container (9), an external cap (1), two simple lattice batteries (3) and an internal cap (5). The small-size lead-acid accumulator for miner's lamp is characterized in that each simple lattice battery is composed of 1 to 4 positive plates and the relevant 2 to 5 negative plates. The...

The utility model relates to a sealed lead-acid accumulator without maintenance, which has the advantages of small size, light weight, no maintenance and no acid splashing. The utility model is characterized in that a housing, an internal cap and an external cap adopt ABS engineering plastic with good shock resistant performance through injection molding, polar plates and partition plates are clos...

A method and apparatus for the gaseous reduction of particulate iron ores, wherein the ore or is fed to a vertical moving bed direct reduction reactor, reduced therein, and discharged as hot sponge iron. The ore is charged to the top portion of the reduction zone of the furnace wherein the bed of particles which descend by gravity is reduced by a hot reducing gas largely composed by carbon monoxid...

Novel, unstretched synthetic papers being virtually free of mechanically produced microvoids and having a porous surface for writing and printing thereon are disclosed. The unstretched synthetic papers of the instant invention are formed typically by extruding from pellets a film or sheet material formed with a continuous olefin resin matrix containing an effective amount of a particulate filler h...

Process for the partial oxidation of a liquid or solid and/or a gaseous fuel using a multi-orifice burner comprising a central channel and four concentric channels encircling the central channel. Liquid or solid fuel is supplied through the second concentric channel and the oxidizer is supplied through the first concentric channel and the third concentric channel. Hydrocarbon gas and/or moderator ...

A pelletized mixture of gypsum, carbonaceous material and pyrite is charged to a travelling grate where the charge is heated under suitable conditions to produce a solid sintered material which has a broad spectrum of applications due to its chemical and physical properties and a gaseous effluent containing sulfur dioxide, sulfur or mixtures thereof.

A security tag is disclosed for use with an electronic security system for a controlled area. The tag comprises circuitry for initially establishing a resonant circuit (14) having a first resonating frequency within a first frequency range which is outside of the range of the detection frequency of the electronic security system. The tag is activated by changing the resonating frequency of the res...

PAQUETE DE COMPONENTES ELECTRONICOS CON MODULO HIBRIDO. EL MODULO HIBRIDO PARA ENCAPSULAR COMPONENTES ELECTRONICOS PROPORCIONA UN RECINTO HERMETICO FORMADO POR UN SUSTRATO HERMETICO EN EL QUE ESTAN MONTADOS LOS COMPONENTES JUNTO CON UNA TAPA HERMETICA QUE RODEA GRUPOS DE COMPONENTES. SE UTILIZA UN SEGUNDO SUSTRATO FUERA DEL RECINTO HERMETICO PARA PROPORCIONAR CONEXIONES ENTRE LOS COMPONENTES ELECT...

A surfactant compsn. comprises a mixt. of water and 30-55 wt.% of surfactant based on total wt. of surfactant and water. The compsn. is capable of exhibiting hexagonal symmetry by small angle X-ray diffraction and/or neutron scattering and is pourable when subjected to shear. Also claimed is liquid detergent compsn. comprising the surfactant, and a stable spherulitic surfactant compsn..

A prosthetic part for use as an orthopedic implant has a base member defining an outer surface for implantation adjacent a prepared bone surface. The outer surface includes a recessed area having a predetermined shape and depth. A first rigid plate having this predetermined shape and having a plurality of elongated slots formed therein is fixedly attached within the recesssed area of the base memb...

Specific text and/or graphic messages for individual subscribers or groups of subscribers are distributed on a communications network such as a cable television system. An addressable controller communicates with a plurality of subscriber terminals served by the network. Each subscriber terminal is assigned to a primary message group and may be assigned to one or more message subgroups. Messages a...

Certain salts of 4 sec -deoxy-4 sec -epi-methylamino avermectin Bla/Blb such as: the benzoic acid salt, gallic acid salt, citric acid salt, benzenesulfonic acid salt and salicyclic acid salt, phosphoric acid salt, tartaric acid salt or maleic acid salt, exhibit enhanced stability, a property which serves to provide greater shelf life and a product of greater safety for the user and the environment...

A process is provided for the preparation of a compound of formula (I) or a salt thereof: wherein R<1> is hydrogen or a C1-4 alkyl, comprising reacting a compound of formula II: with an agent serving to introduce the alkynyl radical of formula -C IDENTICAL CR<1> (wherein R<1> is as described above) at the 5-position of the pyrimidine base, the reaction being carried out in the presen...

A decoder for a memory redundancy scheme is disclosed which allows replacement of a number of memory cell locations in connection with the state of a plurality of fuses (44,49,51,54).

A light beam which scans the data on an optical recording support, generates an r.f. signal in the recording and/or playback device. As the r.f. signal is interrupted when the light beam leaves a data track, the detector circuit recognises from the r.f. signal level whether the beam is passing from one data track to the next. As the interruptions in the r.f. signal can also be caused by dirt, dama...

An absorbent article having an inflected barrier cuff which promotes better containment and fit. The absorbent article comprises a liquid pervious topsheet; a liquid impervious backsheet; an absorbent core positioned between the topsheet and the backsheet; a barrier cuff positioned adjacent each longitudinal edge of the absorbent article and having a proximal edge and a distal edge; spacing means ...

A soft, silky, cloth-like polymeric web exhibiting either patterns of microapertured or microbubbled surface aberrations, said webs further including a contrasting visually discernible pattern which imparts an embossed appearance to at least one surface thereof. Such polymeric webs may be either fluid-pervious or fluid-impervious, as desired, depending upon the particular end use. In a particularl...

UN METODO PARA DETECTAR AL MENOS UNA SECUENCIA DIANA DE ACIDO NUCLEICO PREDETERMINADA EN UNA MUESTRA QUE CONTIENE ACIDO NUCLEICO, QUE COMPRENDE A) AÑADIR A LA MUESTRA SONDAS QUE CONSTAN DE TRES ELEMENTOS ESENCIALES: UNA SECUENCIA DE SONDA DE 20-60 NUCLEOTIDOS RODEADA POR DOS SECUENCIAS DE CONMUTADOR DE 10-40 NUCLEOTIDOS QUE SON COMPLEMENTARIAS UNA CON OTRA, EN QUE EL ESTADO DEL CONMUTADOR ES UTIL ...