A structural material formable at low temperature, prepared by mixing a porous material with a methylol compound which acts as a binder and excipient, a resorcinol compound and/or a precondensate comprising the resorcinol compound and formaldehyde. The methylol group of the methylol compound reacts with the resorcinol compound and/or the precondensate at low temperature in a a short period of time...

A nozzle, and FCC process using the nozzle for atomizing heavy feed to a riser reactor, are disclosed. A liquid feed stream is atomized by radial out-to-in impingement of atomizing vapour, discharged onto an impingement plug in an annular expansion region, then sprayed through an outlet. Baffles at the expansion region outlet, and an orifice outlet improve feed atomization and feed/FCC catalyst co...

A method of decontaminating waste contaminated polystyrene involves dissolving the contaminated product in liquid styrene monomer and recovering the contaminant-free solution.

PCT No. PCT/DE92/00683 Sec. 371 Date Mar. 18, 1993 Sec. 102(e) Date Mar. 18, 1993 PCT Filed Aug. 14, 1992 PCT Pub. No. WO93/05635 PCT Pub. Date Mar. 18, 1993.The electric device has a printed circuit board (10) which carries an electronic circuit with electronic components (12). The circuit is provided with a plug connector strip (14) for making electrical contact. In addition to the housing cover...

The invention relates to a process for producing improved water absorbing resin comprising the steps of treating water absorbing resin particles (A) with an aqueous solution of a water-soluble compound (B) and a crosslinking agent (C), reacting, and obtaining resin particles crosslinked in the surface vicinity; and a water absorbing resin obtained by this process possessing the absorption characte...

True spherical fine particles of a water soluble polymer or a crosslinked product thereof, and a method for their production are disclosed. The method comprises spray drying an aqueous solution of a mixture of a water-soluble polymer and an additive such as a polyhydric alcohol or an oligosaccharide. The removal of the additive may be effected by crosslinking or washing the particles.

The invention relates to a logging method and apparatus for investigating the geometrical characteristics of a borehole. The apparatus comprises an array of circumferentially spaced apart azimuthal current electrodes (Aazi) disposed on a sonde (21), and an annular current electrode (A) longitudinally spaced apart from the array of azimuthal electrodes. Currents (Ici) are emitted between the azimut...

The apparatus for reading out an optical information carrier comprising a semiconductor laser beam source (1), a condenser lens system (6) and a beam splitter (5) interposed therebetween in an optical system wherein the noise level may be beyond the allowable limit due to the excessive amount of the laser beam which is made incident on the laser beam source after being reflected by the information...

The mortar auxiliary is prepared as follows: sodium salt electrolyte solution of naphthyl sulfonic acetal is prepared from naphthalene, formaldehyde, sulphric acid and aqueous alkali, then add water soluble resin and water, heat to 95 deg.C, after dissolving, cool to below 60 deg.C, then add sodium base silicon oil, urea and glycol, and then stir homogeneously. It can improve the bonding property ...

Disclosed is a method of coating comprising the steps of: (I) coating a substrate with one or more applications of a pigmented basecoating composition comprising a thermoplastic, non-crosslinked, film-forming polymer having at least two functional groups per molecule which functional groups are co-reactive with acid anhydride moieties, to which basecoating composition has been added within 24 hour...

A high voltage capacitor (10) structure for integrated circuits or the like. The capacitor includes a provision for equalizing charge when multiple capacitors are series coupled. Charge is equalized by a SiN layer (18) overlaying, and in contact with one terminal (13) of, the capacitor. A ground ring (17) surrounds the capacitor structure and is also overlayed by, and in contact with, the SiN laye...

PCT No. PCT/AU92/00626 Sec. 371 Date Jul. 23, 1993 Sec. 102(e) Date Jul. 23, 1993 PCT Filed Nov. 25, 1992 PCT Pub. No. WO93/11374 PCT Pub. Date Jun. 10, 1993.A limited slip differential gear assembly has a rotating housing containing meshing spur gears each turning a gear element which is externally helically toothed. Each gear element meshes with its own externally-toothed gear member which has a...

A glass composition, containing barium oxide, which provides a source of leachable fluoride and which can be incorporated into a dental cement composition which, when cured, is radiopaque and translucent.

Organic fluoride sources comprising a tetrafluoroborate salt and capable of releasing fluoride ions into dentition in order to provide inhibition and/or prevention of dental caries are disclosed. A method of releasing fluoride ion into dental tissue is also disclosed.

The present invention relates to an image processing device, consisting of filter means which extracts predetermined spatial frequency components from an input image signal, and a binarizing circuit which binarizes the output of the filter means by assessing a zero level as a threshold level, as well as the image vibration correcting means which detects a movement vector of an image by use of the ...

The injection site is usable with a blunt cannula and comprises a pre-slit septum (52) held in a housing (40). An end (42) of the housing is formed so as to serve as a retaining member and exerts axially directed forces on the septum to force its exterior surface (54) into an easily wipable domed shape. The housing also interacts with the septum to force the slit (66) into closed condition.

A multichannel data compressor (20) for a data transmission system having a plurality of data sources. The multichannel data compressor has a plurality of data latches (44,46,48) for temporarily storing the data generated by each data source and a plurality of difference circuits (52,54,56), one for each data source, which subtract the data stored in the data latches from the next subsequent data ...

The description relates to a process for manipulating microscopically small dielectric particles in which the particles are exposed to an electric field. In prior art processes the particles are exposed to non-uniform electric fields are polarised thereby. The polarised particles are moved towards higher field intensity. These processes do not permit the reversal of the direction of movement of th...

Pharmaceutical compositions containing highly-concentrated lyophilized lactic bacteria in combination with pharmacologically acceptable excipients and optionally suitable physiologically compatible drugs, are adapted for restoring the intestinal mucous membrane mass and modulating the epithelial cell kinetics and the enzyme potential of the intestine when they have been altered as a result of stre...

In a digital VTR that carries out magnetic recording and reproduction by bit rate reduction coding a digital video signal, a fixed length block is formed by controlling the code amount of a large block including a plurality of small blocks located distant from each other on a screen at the time of recording. The fixed length block is divided into a plurality of recording blocks so that the main co...