Abstract: An endoscope-cleaning device ensures effective cleaning of an endoscope. The endoscope-cleaning device includes a long flexible core member inserted into a twisted tubular body including a weft yarn including a microfiber yarn, wherein the microfiber yarn is made of polyester and the tubular body is twisted at 5 twists/5 cm to 15 twists/5 cm.

Abstract: A tool measures the cleanliness of the interior of an endoscope channel, wherein the tool is for efficiently, rapidly, and reliably examining whether or not an endoscope is clean after being cleaned and sterilized. The tool for measuring the cleanliness of the interior of an endoscope channel is characterized in that a wiping cloth containing ultrafine fibers is attached to the tip of a filament having a thickness enabling the filament to be inserted into the endoscope channel.

Abstract: An endoscope-cleaning device ensures effective cleaning of an endoscope. The endoscope-cleaning device includes a long flexible core member inserted into a twisted tubular body including a weft yarn including a microfiber yarn, wherein the microfiber yarn is made of polyester and the tubular body is twisted at 5 twists/5 cm to 15 twists/5 cm.

Abstract: A wiping cloth removes microbes and is capable of picking up dirt from the wiped surface of an object and trapping the dirt into the cloth to ensure the retention of the trapped dirt. The wiping cloth is made of a fabric including 50 to 80% by weight of synthetic microfibers with a single fiber fineness of below 1.0 dtex and having a bulk of 2.0 cm3/gr or more.

Abstract: The present invention describes a silver halide color negative photographic light-sensitive material having an improved graininess and an excellent image quality even when picture-taken under various light sources each having a color temperature different from daylight. A silver halide color photographic material comprises a light-sensitive layer unit containing a red-sensitive silver halide emulsion and a cyan coupler, a light-sensitive layer unit containing a green-sensitive silver halide emulsion and a magenta coupler, and a light-sensitive layer unit containing a blue-sensitive silver halide emulsion and a yellow coupler, wherein RMS granularity of at least one of the light-sensitive layer units has the following relations;1.1 RMS.sub.0 .ltoreq.RMS.sub.1 .ltoreq.1.5 RMS.sub.0 and0.9 RMS.sub.0 .ltoreq.RMS.sub.2 .ltoreq.1.2 RMS.sub.0wherein RMS.sub.0 is an RMS value at a minimum density portion of the layer unit, RMS.sub.1 is an RMS value at a density portion of the minimum density+0.

Abstract: A silver halide photographic light-sensitive material, having provided at least one silver halide emulsion layer on a support and a back coating layer on the other side thereof, wherein the support has a loss modules at 50.degree.C. of 0.03 or more, is disclosed. The back coating layer has a gelatin content of 6 g/m.sup.2 or less, and the ratio of the gelatin content of the back coating layer to that of the emulsion layer was 0.3 or more.

Abstract: There is disclosed a silver halide photographic light-sensitive material having an excellent interimage effect and gradation property. The light-sensitive comprises at least one light-sensitive layer containing silver bromoiodide emulsion consisting primarily of the twinned grains, wherein in an X-ray diffraction diagram which is obtained by subjecting the silver bromoiodide grains to a (420) X-ray diffraction with a CuK.alpha. ray, an intercept between the intersection points of a maximum peak diagram and a line drawn horizontally at a point of 0.13 times the height of the maximum peak corresponds to not less than 1.5 degree of a diffraction angle (2.theta.).

Abstract: A novel photographic silver halide emulsion is disclosed, which is useful in a color photographic silver halide material to provide improvements in image quality, storage stability and pressure resistance. The photographic silver halide emulsion comprises silver halide twinned crystal grains each having a ratio of grain diameter to grain thickness of 5 or less which amount to 50% or more by projection area of total grains, wherein X-ray diffraction pattern of the twinned crystal grains with Cu-K.alpha. ray as a radiation source has a (420) diffraction signal having a single peak; and the width of the peak at a height of 0.13 times the maximum peak height, based on the signal intensity, is 1.5 degree or less in a diffraction angle, 2.theta..

Abstract: A silver halide photographic light-sensitive material comprises a silver halide photographic emulsion containing tabular silver halide twin crystal grains having a ratio of grain diameter to thickness of less than 5, wherein projection areas of said silver halide grains are 50% or more of total projection area of all grains; and said silver halide grains are monodipersed and have relatively high iodide content in the interior of the grain. The silver halide grain emulsion is prepared by supplying a silver component and a halide component in the presence of continuously supplied silver halide grains whose solubility product is lower than that of growing monodispersed silver halide grains for at least a given period of time during the grain growth. The photographic material provides improved sensitivity and image quality.

Abstract: A light-sensitive silver halide color photographic material is disclosed. The color photographic material is stored in roll, and has a value of ##EQU1## being 20 to 60 .mu.m, wherein at least one silver halide emulsion layer contains a silver halide emulsion containing silver chrolide in a proportion of not less than 10 mol %. The photographic material is excellent in resistant to pressure desensitizing and preventive from producing scratching trouble. A photographic unit containing the photographic material is also disclosed.

Abstract: A silver halide photographic emulsion containing silver halide twinned-crystal grains is prepared by the steps of (a) forming silver halide nuclear grains by mixing a water soluble silver salt and a water soluble halide, (b) forming silver halide seed-emulsion grains by carrying out ripening of the nuclear grains formed in (a), and (c) growing the seed-emulsion grains, wherein a water soluble polymer is introduced by (b), having the repetition unit represented by the following formula [P] in an amount of 10 to 100 mol % per each polymer molecule: ##STR1##

Abstract: A silver halide color photographic light-sensitive material of which the color reproducibility and printing suitability are kept improved against the variation of photographing conditions, such as a change in light source, is disclosed. The photographic material comprises a support and provided thereon a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a blue-sensitive silver halide emulsion layer, wherein at least one of said emulsion layers is of three-layer structure comprising a low-speed elemental emulsion layer, a medium-speed elemental emulsion layer and a high speed emulsion layer arranged in this sequence from the side facing the support, and a maximum color density of said medium-speed emulsion layer is not more than 0.35.

Abstract: A method for manufacturing a silver halide emulsion. By the method, a silver halide emulsion comprising monodisperse silver halide grains having a high aspect ratio can be manufactured without use of low molecular weight gelatin. The method has the steps offorming nuclei of silver halide grains by adding a water-soluble silver salt and a water-soluble halide salt to a protective colloid solution,applying Ostwald ripening to the precipitation nuclei to form seed grains of silver halide at a temperature lower than the temperature at which the silver halide nuclei are formed, to form silver halide seed grains which mainly comprises twin grains having an average grain size of less than 0.25 .mu.m and less than 50% of a surface area of each of the seed grains is occupied with {100} surface,growing the seed grains by adding a component to forming a silver halide to a liquid containing the seed grains.

Abstract: A silver halide photographic light-sensitive material improved in gradation and processing stability is disclosed. The material has a support and provided thereon a blue-sensitive emulsion layer, a green-sensitive emulsion layer and red-sensitive emulsion layer, wherein at least one of said color-sensitive emulsion layers contains; tabular silver halide grains having an aspect ratio of not less than 1.2; and core/shell type regular crystal silver halide grains of which the average projection area accounts for not more than 40% of that of the tabular grains.

Abstract: There is disclosed a light-sensitive silver halide photographic material, having two or more light-sensitive silver halide emulsion layers different in color sensitivities on a support, at least one of the light-sensitive silver halide emulsion layer comprises monodispersed silver halide grains containing 8 to 30 mole % of silver halide in core or contains twinned crystal silver halide grains, at least two of the light-sensitive silver halide emulsion layers different in color sensitivities containing a DIR compound capable of releasing a developing inhibitor or developing inhibitor precursor through the reaction with the oxidized product of a developing agent, the developing inhibitor or developing inhibitor precursor released from the DIR compound being diffusive, wherein the following conditions A:DIR compounds are added and incorporated in the emulsion layers so that the developing inhibitor released from the DIR compound incorporated in one color-sensitive silver halide emulsion layer and the developing

Abstract: There is disclosed a light-sensitive silver halide photographic material having at least one silver halide emulsion layer containing silver halide crystal grains which comprises at least one of the silver halide emulsion layer contains silver halide crystal grains which satisfy the following conditions of:(1) composed substantially of silver iodobromide,(2) having a maximum point of a silver iodide content at 67% or less of a distance from the center of the silver halide grain relative to a distance (l.sub.0) from the center of the silver halide grain to the outermost surface thereof,(3) having a minimum point of the silver iodide content at 58% or more of the distance form the center of the silver halide grain relative to l.sub.0 ,(4) substantially monotonously reduced in the silver halide content from the maximum point of the silver halide content to the minimum point thereof, and(5) satisfies the following formula: ##EQU1## wherein l.sub.0 has the same meaning as defined above, l.sub.

Abstract: A method for forming color photographic images is disclosed. The method comprises steps ofimagewise exposing to light a silver halide color photographic light-sensitive materialdeveloping the light-sensitive material with a color developer,bleaching, immediately after the step of developing, the light-sensitive material with a bleacing solution, andtreating the bleached light-sensitive material with a solution having fixing capablility, whereinthe light-sensitive material comprises a support and hydrophilic colloid layers including a silver halide emulsion layer provided on a side of the support, and a total dry thickness of the hydrophilic colloid layers is not more than 17 .mu.m, andthe bleaching solution contains a ferric complex salt of a compound represented by the following formula in an amount of within the range of from 0.002 mole to 9.4 mole per liter of the bleaching solution; ##STR1## wherein A.sub.1, through A.sub.4 are each a --CH.sub.2 OH group, a --COOM, or a --PO.sub.3 M.sup.1 M.sup.2.

Abstract: A silver halide color photographic photosensitive material is disclosed.

Abstract: A photographic material including a support having thereon photographic component layers including a red-sensitive emulsion layer containing a cyan coupler, a green-sensitive emulsion layer containing a magenta coupler and a blue-sensitive emulsion layer containing a yellow coupler. At least one of these silver halide emulsion layers contains a diffusible DIR compound, wherein the total dry-thickness of the photographic component layers is not greater than 16 .mu.m and the total silver halide content of the silver halide emulsion layers is not more than 6.5 g/m.sup.2 of silver. A colloidal layer, formed in a position farther from the support than the silver halide emulsion layer which is farthest from the support, contains substantially non-light-sensitive fine grain silver halide grains.

Abstract: There is disclosed a silver halide light-sensitive color photographic material having a high sensitivity and excellent granularity. The photographic material contains in at least one of the emulsion layers the core/shell type tabular silver halide grains comprising:a. a numerical ratio of monodispersed grains to all grains of 70% or more;b. an average aspect value of not less than 1 and less than 5; andc. a portion having a silver iodide content of 15.3 mol % or more in the core.