Absorbent polymeric macrostructures that are porous and comprise an interparticle crosslinked aggregate having a circumscribed dry volume greater than about 10.0 mm3. The interparticle crosslinked aggregate comprises a multiplicity of precursor particles of substantially water-insoluble, absorbent, hydrogel-forming, polymer material; and an interparticle crosslinking agent reacted with the polymer...

PURPOSE:To make possible to produce a predetermined torque even for a rotational speed higher than a base rotational speed by switching the switching elements, connected in three-phase bridge between an input side AC three-phase power supply and a common DC joint, based on a converter control signal. CONSTITUTION:An AC voltage of an AC three-phase power supply 4 is converted through a converter ga...

A method for testing for dysfunctional discs in which a spinal contact member contacts a disc under a low force to obtain the position of the contact member with the disc in its normal or usual unstressed position, the same disc is contacted with the contact member under an elevated increased standard force to obtain a second position of the contact member, and the two positions are compared to de...

A method for forming a zoned distribution of particulate material within a fibrous web includes a conveying step for providing a gas entrained supply of the particulate material and a segregating step centrifugally directing at least a portion of the particulate material into an accumulation region. A transferring step selectively directs particulate material from the accumulation region into a de...

A positive type fine resist pattern can be formed at a high sensitivity at a high precision by using, as a resist film for a di-layer resist, a mixture or alternating copolymer of a silicon-containing resin and a polysulfone.

A process is provided for obtaining an article which is made of a carbon-containing composite material and which is protected against oxidation. The composite material, which is obtained by densifying a porous fibrous texture with a matrix and which exhibits a residual internal porosity, is impregnated under a vacuum with an alkaline compound in a liquid solution. The article is dried and heat-tre...

An optical scanning device is disclosed which comprises a focus control system comprising an actuator (13) for moving the focus (P) of a scanning beam (8) relative to a recording layer (4) of a record carrier (2), a focus-error detection system (9, 14, 15, 16, 17) for generating a focus-error signal (FE), and a control circuit (26) for generating a first control signal (AS sec ) for the actuator (...

The present invention relates to rare earth complex oxide combustion catalysts wherein perovskite-type rare earth complex oxide active components are carried on a support using mullite as the main phase. The present invention relates also to a process for preparing a rare earth complex oxide combustion catalyst which comprises impregnatiing the support with the solution of the metallic ions prepar...

In a die including a cam member, which can be compactly designed in addition to the necessary function given to a cam member, in order to accomplish high quality machining without moving the cam member in a serpentine fashion, the die includes a slide cam having a slide cam base on the top of which a polyhedral guide portion is formed, the slide cam which holds and supports the polyhedral guide po...

An automatic rate matching system is provided such that the delivery of bulk material is matched with the quantity of bulk material required by a process. An optical probe is used which determines the depth of material delivered into a hopper, prior to its retrieval for use in the process. The probe and associated electronic components output a signal to a CPU which then varies the speed of a belt...

A method and apparatus for modifying corneal refractive properties includes a laser source and an ring-like deflector positioned about the cornea. The ring-like deflector is contoured and positioned about the cornea. The contour of the deflector is selected to affect the desired post-operative corneal curvature. A beam emitted from the laser source is deflected in a (predictable) controlled manner...

A compound of the formula I wherein Z represents a single covalent bond or -CH2-CH2-; R1 denotes alkyl or 2-alkenyl and R2 is 1E-alkenyl, 3E-alkenyl, 4-alkenyl, (2-alkenyl)oxymethyl or, when R1 denotes 2-alkenyl and/or Z represents -CH2-CH2-, R2 also is alkyl, cyano or alkoxymethyl, as well as the manufacture of the compounds of formula I. Also disclosed is the use of the compounds in l...

PURPOSE:To obtain an optical element having high precision inexpensively by forming a die with plural concentric die members dividedly in the stage of press-forming a glass raw material softened by heating, and providing a means for setting a forming pressure and forming temp. of the divided die member independently to each other. CONSTITUTION:A die for producing an optical element, etc., by press...

PURPOSE:To form a mold, excellent in oxidation and corrosion resistance, good in mold releasability for a long period and used for forming optical elements by dispersing and mixing a Y oxide in an Fe-based-Cr-Al alloy of a specific composition, forming a mold base metal and simultaneously forming at least a forming surface of the mold base metal from a mixed layer of specific oxides. CONSTITUTION:...

70137-3 There is disclosed a window unit, comprising a frame, a sash mounted in the frame for movement between a closed position adjacent the frame to an open position in which a space is defined between the sash and the frame, a recess in the frame adjacent the sash, and screen means attached to the sash and dimensioned to fill the space when the sash is in the open position.

A method and apparatus for mounting a protective flap assembly to the deck housing of a lawn and garden device is disclosed. The deck housing includes a horizontal support member having an open end and a closed end at opposite lateral edges thereof. The properties flap assembly has an upper socket portion adapted to surroundingly capture the support member upon inward sliding insertion onto the op...

The invention relates to a method of fabrication in the powdered state of ceramic compounds formed between a metalloid and a refractory metal, characterized in that it involves the following steps: a) said metalloid is caused to react with a reducing metal within a liquid bath constituted at least partly by a fused salt of said reducing metal in order to obtain a saltlike intermediate compound whi...

A method for producing coatings on a heated substrate, preferably glass, comprises pretreating the substrate with a gaseous composition of water, air and a fluorine compound, and thereafter depositing a fluorine-doped tin-oxide coating on the substrate.

A X-Y multiplex drive circuit and associated ink feed arrangement for an ink jet printhead wherein resistive heater elements, X-Y electrical interconnects thereto and closely adjacent ink feed ports are integrated on or within a given printhead substrate surface area with a maximum packing density and a minimum of fluidic crosstalk. Ink feed channels are formed within a printhead barrier layer whi...