Vinylcephalosporins of the formula (I) in which the symbols R<1>, R<2>, R<3>, R<4> and R<5> have the meaning given in the description.

PURPOSE:To make a generating output enterable under control of generalized load control by the specified time, by precedently controlling the generating output of a gas turbine till the actual load of each generating unit reaches to starting completion desired load. CONSTITUTION:In case of a load precedent controller 5, a compensation speed setting value calculator 1 calculates a speed setting val...

PURPOSE:To enhance the durability of coupling sections of a connecting rod and a second coupling member, by locking both ends of a compression spring which urges the second coupling member, to the latter always excepting the time when the connecting rod is moved. CONSTITUTION:One end of a compression spring 37 in a coupling mechanism 30a is locked direct to a coupling rod 32 while the other end th...

La presente invención se refiere a un copolímero de un acrilato de polialquilenglicol y una sal de un acrilato cuaternatio, que tiene la fórmula que es representativa de la estructura periódica de todo el polímero; en donde; n es igual de 5 a 20; X es igual de 6 a 13 y igual de 20 a 30; en donde X/Y representa la relación de la cantidad del acrilato de polialquilenglicol a la cantidad de la sal de...

A display device is used to convey additional information about the internal state of an electronic apparatus, by varying the intensity of the display in a pattern related to the state. For example, a hexadecimal digit display 10, for displaying a diagnostic code for a computer, may additionally be used to indicate cooling fan 18 failure by flashing the digits 12, 14 in a particular pattern when f...

An incontinence aid comprises a bedsheet (1) and a waterproof sheet (7) capable of being attached to each other in fixed relationship and a cover capable of being removable attached to the bedsheet (1) in which position it covers the waterproof sheet (7).

The invention pertains to drip retardant flexible polyurethane foams prepared by the reaction of an isocyanate with a polyol resin containing a drip retardant made of either a trialkyl end-capped amine functional silicone polymer or a trialkyl end-capped carbinol functional silicone polymer to effectively prevent the foam from dripping while burning and encourage char formation.

An optical head system for optically recording and reproducing information on and from an optical recording medium. The optical head system comprises a light source (1) for emitting a light beam, a collimator lens (3) for causing the light beam from the light source means to become a parallel light beam, and an objective lens (6) for converging the parallel light beam from the collimator lens on t...

Pore pressure Ppore of a subsurface formation is determined, while drilling a borehole, by measuring formation strength FS, resistivity RES and natural gamma ray activity GR. The measurement FS includes contributions of clay volume Vcl, non-clay mineral strength, and a porosity, the measurement RES includes contributions from a porosity, non-clay mineral volume Vsilt and pore fluid conductivity an...

In disc brakes, disturbing noises, such as whistling or squealing, occurring during braking operations can be prevented if the brake shoe, to be pressed against a brake disc by a pressure member, for example a hydraulically actuated piston, is taken along in the circumferential direction of the latter as soon as the brake shoe comes into contact with the brake disc, and is laid against bearing fac...

A sit-up exercise belt adapted to be placed under and around a corner of a mattress in such a way that a person can perform sit-up exercise by hooking and restraining the feet under the belt during exercise. The sit-up belt comprises a length adjustable belt (1) being connected at both ends to a trapezoid belt support member (4) which is adapted to be placed under the corner of the bed. A bar memb...

A process for forming a film of a hydrolyzed ethylene-vinyl acetate copolymer which comprises: coating a solution comprising a hydrolyzed ethylene-vinyl acetate copolymer to a substrate, drying the wet film and subjecting the dried film to heat-treatment, said obtained film being formed so as to have a ratio of absorbance at 1140 cm-1 to absorbance at 1090 cm-1 in infrared absorption spectrum of n...

Apparatus for use in repairing turbine rotors comprises a stand which supports a turbine rotor (10) at positions spaced along its axis, the stand further comprising work stations (31, 32) adapted to provide a work surface (47) extending alongside a blade (73) positioned in an array of blades (12, 13) on the rotor and stop means (90) prevents movement of the rotor relative to the work station so th...

A process for preparing particles of a high water-absorbent resin which comprises mixing a powder of a high water-absorbent resin having a water content of 10 to 60% by weight with a powder of water-soluble high molecular weight compound and drying the mixture. The obtained particles according to the present invention are suitable for use of sanitary goods, water-retaining agents or soil condition...

A process for the preparation of a powder coating composition, comprises (a) providing a crystalline material consisting of two or more crystalline substances each of which has a melting point of at least 90 DEG C and consisting of at least one crystalline epoxy resin and at least one crystalline curing agent; (b) providing a non-crystalline material consisting of one or more non-crystalline sub...

Layered, fiber-reinforced composites toughened by the use of thermosetting matrix resins including rigid particles are improved in toughness when the particles are porous and formed of a polyamide. The method is particularly effective in improving the toughness of composites based on thermoset matrix resins, and particularly epoxy resins.

A system for maintaining a downhole instrumentation package in a roll stabilised orientation with respect to a drill string comprises an instrument carrier (812) which is mounted within a drill collar (810) for rotation about the longitudinal axis of the collar. An impeller (815) is mounted on the instrument carrier so as to rotate the carrier relatively to the drill collar as a result of the flow...

A hinge 14 comprises two struts 17 around which pass the two loops of a figure-of-8 of webbing material 20, the ends of the webbing material being secured to each other and/or to a strut 17 by fixing means 19. A number of panels 11, 12 are secured together by such hinges to form a large structure such as a children's playhouse which can be folded flat when not in use. A separate roof 40 also compr...

LOW MELT ETHYLENE VINYL ACETATE COPOLYMER FILM Ethylene vinyl acetate copolymer films having about 25%-33% by weight vinyl acetate and melting points of about 160-170.degree.F are provided for packaging, lining or wrapping purposes. Low melt bags for rubber compounds and additives are made from the films.

A resonant frequency characteristic tag comprises an electrically insulating thin film having an electric characteristic, an electric circuit which consists of a metal foil formed on one side surface of the thin film and having a predetermined length and having opposite end portions respectively formed with a capacitor section and a terminal section and an electrode metal foil formed on the other ...