First sensors (5a-5n) measure physical quantities correlated with the heat release value of a fire source, and second sensors (6a-6n) measure physical quantities correlated with the amount of the product of burning. At least a pair of one first sensor (5) and one second sensor (6) are arranged in a zone to be monitored. A first threshold (V1) of high sensitivity and a second threshold (V2) of low ...

The preparation of the solid gel electrolyte, which usually follows the pouring of the initially liquid sulphuric acid into the finished storage battery fitted with charged positive and negative electrodes, can be associated with the formation process by finally installing the still unformed plates (blanks), fitting the final current terminals (poles, pole bridges) and forming with a sulphuric aci...

Die Erfindung betrifft ein Röntgengerät mit einem polychromatischen Röntgenstrahler (1) zur Erzeugung eines Primärstrahls (3) von geringem Querschnitt, einer energieauflösend messenden Detektoranordnung (D) zur Erfassung der durch elastische Streuprozesse im Primärstrahl (3) erzeugten Streustrahlung mit mehreren Detektorelementen (D0...D7), die auf zum Primärstrahl konzentrischen Ringen angeordnet...

A method and apparatus for roll forming strip material in which the strip material (30) is first fed into a feed and cutting unit (14) in which a predetermined length of material is fed and cut off, and is then fed into a roll forming unit (16) which is driven at at least the same speed as the feed unit (14). The cut material is discharged onto a table (18). An alternative roll forming unit (17) c...

Disclosed is a process for fabricating a composite polycrystalline diamond or cubic boron nitride (CBN) compact. Briefly, the process is conducted by mating a pre-formed sintered polycrystalline diamond or CBN compact and a plastically deformable support, and subjecting the mated composite compact to elevated temperature and pressure conditions sufficient to plastically deform the support into att...

An optical element made from crosslinked polymers is worked by ablative photochemical decomposition. To this end, the crosslinked polymer is exposed to controlled, coherent irradiation whose photon energy is significantly higher than the dissociation energy of the covalent bonds in the polymer and whose fluency is sufficient to remove the resultant decomposition products.

The utility model discloses a two-purpose wind-driven machine for water pumping and electricity generation, comprising an impeller, a wheel shaft, a tail rudder lever, a vertical shaft bevel gear, a belt, a belt wheel, an electric generator, a battery, and a cut-off relay. A horizontal type wheel shaft is adopted to actuate an upright shaft, namely a vertical shaft, and the vertical shaft transfer...

A modular building system for skeletal frames has pillar-like supporting tubes with ridge-like recesses on their outer circumference parallel to their axis, similar to teeth, that interlock with mating profiles at the inner surface of joining elements that can be releasably linked to the supporting tubes. The toothed sector of the bearing profile of the joining elements that meshes with the outer ...

PCT No. PCT/GB87/00861 Sec. 371 Date May 31, 1989 Sec. 102(e) Date May 31, 1989 PCT Filed Dec. 1, 1987 PCT Pub. No. WO88/04500 PCT Pub. Date Jun. 16, 1988.A trellis coder has a convolutional encoder which has n states and can progress from a current state to a follower state depending on an input. The state progressions are selected such that they can be represented by a diagram having 90 DEG rot...

PCT No. PCT/JP87/01016 Sec. 371 Date Jun. 14, 1989 Sec. 102(e) Date Jun. 14, 1989 PCT Filed Dec. 23, 1987 PCT Pub. No. WO88/04968 PCT Pub. Date Jul. 14, 1988.A pair of slit type horizontal fin rolls (18) and a pair of vertical side rolls (19) having such a shape as having the conventional vertical side roll (19) formed by contracting its center portion are utilized, and due to the construction in ...

PCT No. PCT/DE87/00608 Sec. 371 Date Jul. 19, 1989 Sec. 102(e) Date Jul. 19, 1989 PCT Filed Dec. 24, 1987 PCT Pub. No. WO88/05521 PCT Pub. Date Jul. 28, 1988.An amusement machine with darts has a target disk arranged in an opening of the front wall of a housing, with moving segments worth different numbers of points and provided with dart receiving holes. When a dart hits a segment, it activates b...

PCT No. PCT/FI87/00180 Sec. 371 Date Aug. 15, 1989 Sec. 102(e) Date Aug. 15, 1989 PCT Filed Dec. 30, 1987 PCT Pub. No. WO88/05099 PCT Pub. Date Jul. 14, 1988.The method and apparatus automate the observation of the dry line on the wire of the Fourdrinier paper machine on whose visual observation by eye the conventional control of the paper machine is based. In the invention, the position of the dr...

A method of non-specifically amplifying different-sequence fragments in a mixture of duplex DNA fragments is disclosed. The fragments are provided with end linkers, and the mixture is amplified by successive primer-initiated replication. Also disclosed is a method of cloning cDNA species which are homologous to a region of contiguous genomic DNA and are selected from a mixture of cDNA species.

The present invention relates to a process for producing a polypropylene sheet or film which comprises passing a molten sheet or film of a polypropylene composition, the composition comprising polypropylene and at least one additive selected from the group consisting of a nucleating agent, a finely powdered high melting point polymer, a petroleum resin, a terpene resin, an organic peroxide and a c...

A first image signal for a screen wider than that obtained by a TV signal of an existing television system is converted to a multiplexed signal that can be reproduced with a receiver of the existing television system, and input to a selector (203). The selector (203) divides the input signal into a center portion signal and upper and lower black bar portions signals of the screen. The multiplexed ...

A semiconductor memory device having: a RAM port for randomly accessing a memory cell (1) array having memory cells disposed in matrix; a SAM port for serially accessing data of one row of the memory cell array (1); a mode switching unit (203) for switching the operation mode of the SAM port between an ordinary data output mode and a test mode, upon externally receiving a mode switching signal; an...

Ink jet printing apparatus including a stationary print head (42,254) assembly including a multiplicity of individually actuable ink jet printing modules (257) and apparatus for transporting a substrate (253) relative to and in operative spaced engagement with the stationary print head (42,254) assembly for printing.

An ink jet recording head in which a plurality of ink nozzles are juxtaposed on a single silicon substrate to provide a Kaiser on-demand type ink jet recording head. The ink flow paths are formed in a surface of the substrate by dry plasma etching and a glass plate is electrostatically bonded onto that surface as a vibrating plate. The surfaces of the ink flow paths are cleaned using an alkali sol...

An improved method and apparatus for powering and controlling the operation of large diesel-electric off-road haulers of the type in which hauler drive wheels are propelled and retarded by DC electric wheel motors powered from on-board generators, optionally supplemented by DC power, from external trolley lines. In the disclosed system, thyristor-type converters connected into the system AC power ...

PURPOSE:To meet various diagnostic needs by installing a horizontal rotation shaft on one end of a base, connecting the shaft to a middle arm, installing a horizontal rotation shaft also on the other end of the middle arm, and connecting the horizontal rotation shafts to an arm device 5 provided with an X-ray generating means and an X-ray detecting means. CONSTITUTION:A base 1 is installed on a ce...