1,3-propanediol prepared according to known methods by catalytic hydrogenation of 3-hydroxypropionaldehyde (HPA) obtainable from acrolein has a high residual carbonyl content and leads to problems in the preparation of poly(1,3-propylene glycol terephthalate). According to the invention, 1,3-propanediol can be prepared with a residual carbonyl content, calculated as propionaldehyde, of below 500 p...

PROBLEM TO BE SOLVED: To provide a solar heat water heating facility for suppressing a reduction in hot water supply amount when hot water is output via a full automatic boiler while maintaining merits of a conventional solar heat water heating facility. SOLUTION: A second communicating tube 30 for communicating a water supply tube 11 with a hot water supply tube 12 is provided at a position highe...

PROBLEM TO BE SOLVED: To provide a solar heat water heating facility for suppressing a reduction in hot water supply amount when hot water is output via a full automatic boiler while maintaining merits of a conventional solar heat water heating facility. SOLUTION: A second communicating tube 30 for communicating a water supply tube 11 with a hot water supply tube 12 is provided at a position highe...

PROBLEM TO BE SOLVED: To prevent stratification of an electrolyte, generate circulation of oxygen gas in uniformity and uniformly generate reaction of an electrode, by interposing an insulating sheet having a through hole charged with an electrolyte holder between positive/negative electrodes arranged to be opposed in the vertical direction. SOLUTION: Positive/negative electrodes 1, 2, charging la...

PROBLEM TO BE SOLVED: To improve a utilization factor of positive electrode active material by mixing basic lead phosphate in the positive electrode active material. SOLUTION: In manufacture of a concerned battery, lead powder is kneaded by water or the like, a lead alloy-made lattice substrate is charged, in the case of preparing paste applied, basic lead phosphate powder is added to this paste, ...

PROBLEM TO BE SOLVED: To prevent a battery from deteriorating without losing regeneration power when the regeneration power is generated from a motor. SOLUTION: When a motor is in regeneration state, maximum regeneration electrical energy is read from a maximum regeneration electrical energy operation part (S160). Then, the electrical energy is controlled so that the sum of the maximum regeneratio...

PROBLEM TO BE SOLVED: To prevent the main steam temperature difference from enlarging by calculating the upper and lower limit values, based on the steam temperature differences of each boiler and altering a load distribution command value within the limit values, based on the upper and lower limit values and a load distribution altering value, thereby altering the load distribution without varyin...

The invention discloses a mobile X-ray device comprising a frame (1) with wheels (2, 3), an X-ray generator and a container (7) for a plurality of cassettes each containing a film printable by X-ray and to be developed in a processing chamber. The cassette container (7) is detachable from the mobile X-ray device for transporting the said cassettes to the processing chamber, the container (7) compr...

PARA LA LIMPIEZA DE LAS VAINAS (24) DE HILO GUIADOS DE NUEVO A UNA MECHERA (1), CON TRATAMIENTO DE DESGASTE PERO QUE TAMBIEN ADOLECEN DE RESTOS DE MECHA Y A FIN DE CONFIGURAR DE FORMA FLEXIBLE ESTOS RESTOS DE HILO DE HEBRA, SE HA PROVISTO QUE CADA MECHERA (1) ESTE EQUIPADA CON UN DISPOSITIVO (13) COORDINADO RESPECTIVAMENTE CON LA MECHERA PARA LA ELIMINACION DE LOS RESTOS DE HILO A PARTIR DE LAS VA...

A method and device for threading a paper web or an equivalent web-like mate rial in a winding device, in particular in a slitter-winder, in which the paper web or the equivalent web-like material is wound from a web reel or equivalent onto another roll. A threadi ng wedge is formed into the paper web or equivalent web-like material and passed through the wi nding device. Substantially at the sam...

Calibration of a wavelength adjustment mechanism (104) of a laser is achieved using a hollow cathode absorption lamp (114). The lamp is provided with a vaporous material having a precisely known wavelength of maximum absorption. A photo-detector (130) detects the amount of light from the laser beam absorbed by the vaporous material as a function of wavelength. The wavelength of the laser is adjust...

Polyurethane/urea elastomers having an isocyanate equivalent index below 100, preferably from about 15 to about 80; containing an effective amount of polyisocyanate component, and an effective amount of an isocyanate reactive component comprising at least one polyamine and at least one polyol, wherein said elastomer contains from about 1 to about 199 equivalent percent amine per isocyanate equival...

PROBLEM TO BE SOLVED: To effectively operate an overheat preventing means even if a metallic protective guard is partly blocked by an article by thermally connecting the means to the guard in a heater having the guard covering an opening of a heater body and the means. SOLUTION: In an electric heater having a reflecting plate 6 disposed at a predetermined interval from an inner wall of a heater bo...

PROBLEM TO BE SOLVED: To provide a projection display device in which there is not irregularity in color and brightness, a uniform contrast ratio and high-quality display throughout the entire screen by the use of effectively arranging lenses. SOLUTION: An intermediate lens 8 is situated in the middle position of the optical path between an optical integrator 2 and reflection type liquid crystal p...

PROBLEM TO BE SOLVED: To provide a fully wide visual-angle characteristic while securing front contrast. SOLUTION: The light which penetrates a polarizing plate 6 and a phase difference plate 4 and is made to outgo from a liquid crystal display element 2 is improved in the visual angle including the directions from 12 hours to 6 hours by a phase difference plate 3. Furthermore front contrast is se...

PROBLEM TO BE SOLVED: To provide a liquid crystal display device whose display does not get dark and is clearly observed even when it is observed in a state where an observer wears polarizing spectacles. SOLUTION: By providing a double refraction plate changing linearly polarized light to circularly polarized light or elliptically polarized light, for example, a 1/4 wavelength plate 10 on the obse...

PROBLEM TO BE SOLVED: To provide a reflection type substrate with an excellent light scattering characteristic capable of obtaining a contact hole with excellent conductivity. SOLUTION: By providing a projection part 13a on the contact hole 17 part electrically connecting the laying of electrode 11a being a first metallic layer with a pixel electrode 6 being a second metallic layer having a light ...

PROBLEM TO BE SOLVED: To use a display body such as liquid crystal both for a reflection type and a transmission type and to obtain bright display. SOLUTION: A light reflection part 2 which is provided with an inclined surface 4 at least on one surface of a base material 1 having transparency and whose inclined surface has light reflecting property, and a light transmission part 3 which is provide...

PROBLEM TO BE SOLVED: To provide a reflector which is attached to a reflection type liquid crystal display device and which is bright and excellent in the visibility of a picture in the case of viewing from an angle at which the reflection of external light is avoided. SOLUTION: This reflector has one or two reflection angles showing the maximal value of light quantity distribution in the angle de...

PROBLEM TO BE SOLVED: To prevent the degradation in visibility by the reflection of a background occurring in the light reflection of a reflection plate and the direct reflection of illumination, etc., in a reflection type liquid crystal display element. SOLUTION: A metallic electrode 4 is formed by depositing Cr over the entire surface of prescribed pixel regions by a vapor deposition method or s...