Abstract: A method for measuring a specific component, which comprises having a complex conjugate comprising a specific component to be measured and a labelled body having peroxidase as the label carried on a support, and forming and depositing a dye on said complex conjugate through the enzyme reaction of peroxidase by use of the three of hydrogen peroxide, an aromatic primary amine compound and either one of an active methylene compound or a phenol compound.

Abstract: A document feeding apparatus wherein a document is separated one by one and fed onto a platen glass and subjected to exposure the outside of the document to light, and thereafter the surface of the document is reversed by a reversible rotational mechanism and again moved onto the platen glass to expose the inside of the document.

Abstract: A toner for developing electrostatic images is disclosed which comprises a coloring agent, a styrene homopolymer or copolymer with a vinyl monomer or moners, and polypropylene having a number average molecular weight of about 3000 to 4000 in an amount between about 0.02 and 40 parts by weight per 100 parts by weight of the styrene homopolymer or copolymer.

Abstract: In a method of reading a image information stored in a radiographic image-converting panel having a stimulable phosphor layer thereon, the improvement of present invention includes a step of rectification against a light decay which occur continuously in the phosphor layer with the lapse of time subsequent to image-wise exposure.The rectification enables to get a precise image information having no shading caused by the light decay.

Abstract: An apparatus for providing high-quality enlarged or reduced image by employing a simple circuit configuration which incorporates an interpolation method. For this purpose, the apparatus is so constituted that the interpolation data is provided to compensate for a gap of data between pixels in the entire image data, and that the interpolation data are produced from look-up tables based on interpolation data selection signals which are outputted in accordance with a designated scale ratio.

Abstract: Disclosed are silver halide grains which has (110) crystal faces and comprises a silver halide composition consisting substantially of silver bromide or silver iodobromide; a preparation thereof which comprises controlling pAg at 8.0 to 9.5 during a period until at least 30 mole % of the total silver halide is formed in the step of preparing the silver halide grains while permitting at least one selected from the compounds represented by the formula (I), (II), (III) or (IV) shown below and the compounds having the recurring units represented by the formula (V) shown below to exist during the period: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.

Abstract: A toner for developing electrostatic images is disclosed which comprises a coloring agent, a styrene homopolymer or copolymer with a vinyl monomer or moners, and polypropylene having a number average molecular weight of about 3000 to 4000 in an amount between about 0.02 and 40 parts by weight per 100 parts by weight of the styrene homopolymer or copolymer.

Abstract: To overcome the problem of offset images in electrophotography when using a heated roller in fixing a toner image, a toner composition containing a non-linear polyester resin is used. The polyester resin is made from 1-60 mol % polyhydric alcohol having at least three hydroxy groups and 2-65 mol % of a polycarboxylic acid having at least three carboxy groups.

Abstract: A direct positive silver halide photographic material with an internal latent image-type silver halide emulsion layer that provides a direct positive image by a fogging treatment (for example, an overall exposure, or surface developing treatment in the presence of a fogging agent) after imagewise exposure. The silver halide particles which form the emulsion layer consist essentially of a core portion made of silver halide and having been chemically sensitized or doped with metal ions. There are provided a plural number of shell portions made of silver halide containing silver chloride. The chloride content of an inner shell adjacent to the outmost shell of the particles has a smaller amount of chloride content than that of the outermost shell. The photographic material is used by first imagewise exposing it to light, effecting overall fogging treatment on the silver halide particles and processing the exposed photographic material to produce the image.

Abstract: There is disclosed a processing method of a light-sensitive silver halide color photographic material comprising, in a method of processing a light-sensitive silver halide color photographic material with a bleach-fixing solution after color developing, and successively with a stabilizing solution substituted for water washing, said bleach-fixing solution contains as main components an organic acid ferric complex salt with which a molecular weight of a free acid being not more than 280, a thiosulfate and a sulfite, and a processing time by said stabilizing solution substituted for water washing is 2 minutes or shorter.

Abstract: An analytical element to measure a specific component in a fluid samples comprising support, a layer containing a reagent provided the support and a spreading layer provided on above the reagent containing layer. In the spreading layer, an emzyme necessary for the reaction to produce a product capable of being detected with said reagent from the specific component is contained. The enzyme is protected from deterioration of activity during a manufacturing and preservation of the analytical element by means of the enzyme is included in the spread layer as a dispersion mixture with a protein and/or polypeptide. An accurate analytical result is stably obtained by the analytical element.

Abstract: A silver halide photographic light-sensitive material which comprises at least one of 1H-pyrazolo[5,1-Cl-1,2,4-triazole-type magenta couplers substituted by a compound having the following Formula [I] in the third position and at least one of these compounds having the following Formulas [II], [III] and [IV];--R.sup.1 --SO.sub.2 --R.sup.2 Formula [I]wherein R.sup.1 is an alkylene group having not less than three carbon atoms in the straight-chain portion which serves as an linkage group between the third-position carbon of the 1H-pyrazolo[5,1-Cl-1,2,4-triazole and the --SO.sub.2 --, and R.sup.2 is an alkyl group, a cycloalkyl group, or aryl group; ##STR1## In Formula [II], Formula [III] and formula [IV], M is a metallic atom; X.sup.1 and X.sup.2 each is an oxygen atom, a sulfur atom, or a --NR.sup.7 --(wherein R.sup.7 is a hydrogen atom, an alkyl group, an aryl group or a hydroxyl group); X.sup.3 is a hydroxyl group or a mercapto group; Y is an oxygen atom or a sulfur atom; R.sup.3, R.sup.4, R.sup.5 and R.

Abstract: A light-sensitive silver halide photographic material having a support with at least one silver halide emulsion layer containing a dye-forming coupler, where the light-sensitive silver halide photographic material is characterized in that at least one of the silver halide emulsion layers contains (i) the dye-forming coupler dispersed with the use of a high boiling organic solvent having a dielectric constant of 6.0 or less, (ii) silver halide grains containing a gold compound and having silver chloride content of 90 mole % or more, and (iii) a compound represented by General Formula (S) shown below. General Formula (S): ##STR1## where Q is a group of atoms necessary to complete a 5- or 6-membered heterocyclic ring or a 5- or 6-membered ring fused with a benzene ring and M is a hydrogen atom, an alkali metal or an ammonium group.

Abstract: A photosensitive composition principally comprised of a photosensitive diazo resin and a lipophilic high molecular compound, wherein said photosensitive composition further contains a metal complex dye soluble in an organic solvent. Also disclosed is a photosensitive lithographic printing plate employing such a photosensitive composition.

Abstract: There is disclosed a liquid crystal display device which comprises liquid crystal materials aligned between a pair of substrates each having an alignment layer, respectively, characterized in that the following conditions (a) to (c) are satisfied:(a) the twist angle of the liquid crystal molecules aligned between the above pair of substrates is 200.degree. to 300.degree.;(b) the following relationship formula (1) is valid between the spontaneous twist pitch Ps of the liquid crystal molecules and the regulated twist pitch Pc of the liquid crystal molecules when the arrangement of liquid crystal molecules is compulsorily regulated by the alignment layers:0.ltoreq.(Pc-Ps)/Pc.ltoreq.0.3 (1); and(c) the following relationship formula (2) is valid between the splay elastic constant k.sub.11 and the bend elastic constant k.sub.33 of the above liquid crystal materials:0.9<k.sub.33 k.sub.11 <1.5 (2).

Abstract: A silver halide color photographic light-sensitive material is disclosed, which has excellent rapid processability and is remarkably improved in spectral absorption characteristics and fastness against light of magnet images. The photographic material comprising a support bearing at least one silver halide emulsion layer thereon, and the silver halide emulsion layer containssilver halide grains each containing silver chloride in an amount of not less than 80 mol %, andat least one couplers selected from the group consisting of the couplers represented by the following General Formulas (a), (b) and (c), respectively, or a polymer coupler comprising said coupler, and an anti-discoloring agent, each dispersed in the silver halide emulsion layer by making use of a high boiling organic solvent, provided that a proportion of said high boiling organic solvent to said coupler is not less than 0.6 by weight.

Abstract: A copying apparatus includes a ten-key pad for setting sheet number data, a magnification setting key for setting magnification data, a display for selectively indicating the copy number data or the magnification data, and a computer including a CPU, a ROM, and a RAM for causing the display to indicate the magnification data when the magnification setting means is operated and for otherwise causing the display to indicate the sheet number data.

Abstract: A method of a processing of a silver halide color photographic material is disclosed. The process comprises a step of developing the exposed color photographic material and a step of treating the developed color photographic material with a bleach-fixing solution. The bleach-fixing solution contains an organic acid ferric complex. At least one layer of the emulsion layers of the photographic material contains silver halide grains containing from 0.5 to 25 mol % of silver iodide. The total dry-thickness of the photographic component layers contained in the photographic material is from 8 to 25 .mu.m and the swelling rate T1/2 of the photographic component layers is not more than 25 sec. The method is suitable for rapid processing of the fine grain-type high-speed silver iodide-containing color photographic material. The method uses a bleach-fixing bath enabling the rapid processing of the high-speed color photographic material.

Abstract: The present invention provides a method of regulating the thickness of developer layer formed on a developer-transporting means by transporting the layer to a layer thickness-regulating means disposed so as to face with the developer transporting means, pressing the layer by the layer thickness-regulating means so that the layer thickness-regulating distance of the pressing portion between the layer thickness-regulating means and the developer-transporting means can be made substantially equal to the diameter of single developer particle, and allowing the layer to pass through the pressing portion while keeping the layer thickness-regulating distance substantially equal to the diameter of single developer particle.

Abstract: This invention is a silver halide photographic light-sensitive material comprising a paper support bearing thereon at least one silver halide emulsion layer containing a hydroxytetrazaindene.