Abstract: Disclosed is a silver halide photographic material comprising a compound represented by the general formula (I), (II), or a salt thereof or a compound represented by the general formula (III), with these groups being defined as in the specification: ##STR1## also disclosed is a method for the processing of a silver halide photographic material, which comprises processing a silver halide photographic material in the presence of a compound represented by the general formula (I) or (II) or a salt thereof or a compound represented by the general formula (III).

Abstract: A nonlinear optical material comprising a compound represented by the following general formula (I): ##STR1## wherein R and R' are each an alkyl group, an aryl group, an aralkyl group or a hetero ring, and a method of converting the wavelength of laser light using the organic nonlinear optical material.

Abstract: A silver halide photographic material comprising a support having thereon at least one silver halide photographic emulsion layer containing at least one sensitizing dye represented by formula (I) and at least one compound represented by formula (II). ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, each represent an alkyl group which may be substituted and at least one of R.sub.1 and R.sub.2 is an acetylaminoalkyl group or an N-alkylcarbamoylaminoalkyl group; and V.sub.1 and V.sub.2, which may be the same or different, each represent a hydrogen atom, an alkyl group, an alkoxy group or a trifluoromethyl group. ##STR2## wherein Z represents a non-metallic atomic group required for forming a heterocyclic ring; M represents a hydrogen atom, an --NH.sub.

Abstract: A silver halide photographic emulsion which contains at least one of the compounds represented by the following general formula (I) each having a maximum value of spectral sensitivity in a wavelength of 520 nm or more and less than 545 nm, as a sensitizing dye. ##STR1## wherein R.sub.0 and R.sub.1 may be the same or different, and represent hydrogen atoms, unsubstituted or substituted alkyl groups, unsubstituted or substituted aryl groups, unsubstituted or substituted alkoxy groups, unsubstituted or substituted aryloxy groups, halogen atoms, unsubstituted or substituted alkoxycarbonyl groups, unsubstituted or substituted acylamino groups, unsubstituted or substituted acyl groups, cyano groups, unsubstituted or substituted carbamoyl groups, unsubstituted or substituted sulfamoyl groups, carboxyl groups, or unsubstituted or substituted acyloxy groups, provided that R.sub.0 and R.sub.1 do not represent hydrogen atoms at the same time; R.sub.

Abstract: A full color recording material which has, on a support, at least three silver halide photosensitive emulsion layers which have different color sensitivities and which contain a yellow coupler, magenta coupler and cyan coupler, respectively, and in which at least two of these layers are selectively spectrally sensitized to match semiconductor laser light beams of wavelengths greater than 670 nm, wherein said at least three silver halide photosensitive layers which have different color sensitivities each contains silver chlorobromide grains with a layer average silver chloride content of at least 96 mol %, and said silver chlorobromide grains have a silver bromide local phase of which the silver bromide content is higher than that of the surroundings and a method for forming color images wherein the recording material is imagewise exposed while being transported at a feed rate which matches the scanning rate with semiconductor light beams, and substantially continuously to the exposing, the material is subject

Abstract: An outboard motor having a charge forming system including an enrichment fuel device that supplies additional fuel and air to the engine for starting and warm up. The fuel and air are supplied from one charge former of the engine and are delivered to a balance passage of a spacer between the charge formers and the intake manifold. The additional air supplied by the enrichment device is drawn from an air circuit of the carburetor so as to reduce the discharge pressure of the fuel discharge circuits of the carburetor to draw additional enrichment fuel from those discharge circuits when the enrichment device is in operation.

Abstract: A process for preparing a silver halide emulsion is disclosed, which comprises dissolving one or more substantially water-insoluble photographic additives in a solution of an organic solvent containing a surface active agent having a hydrophilic -SO.sub.3 or --OSO.sub.3 group wherein said organic solvent is an alcohol, and then adding the resulting solution to a silver halide emulsion. A small amount of a base, or small amounts of a base and an acid may optionally be present in the mixed solution of the organic solvent and the surface active agent prior to adding the one or more substantially water-insoluble photographic additives.

Abstract: A number of embodiments of outboard motors incorporating fuel and air enrichment devices in which fuel is supplied to the engine for enrichment under pressure by a pump and additional air is also supplied to the engine induction system at least at atmospheric pressure. In some embodiments, the air is mixed with the fuel and is pressurized. The fuel and air flow are both controlled by a common valve member that may be operated either by a solenoid or a heated wax pellet.

Abstract: Disposable moldings comprising a polymer (A) having a repeating structure unit in the main chain represented by the formula (I) ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are respectively a hydrogen atom or a lower alkyl, and a polymer composition comprising the polymer (A). The moldings of the present invention disintegrate themselves due to decomposition of the polymer (A) in atmosphere, soil or water and do not cause any environmental pollution.

Abstract: A nonlinear optical material comprising a compound represented by formula (I) ##STR1## wherein Z.sup.1, Z.sup.2, R.sup.1, X and n are as defined before, or a compound represented by formula (II) ##STR2## wherein Z.sup.11 and Z.sup.12 are as defined before. The compounds of formulae (I) and (II) exhibits high transmittance to blue light and high nonlinear optical effects.

Abstract: A silver halide photographic material comprising a support and at least one silver halide emulsion layer on the support, wherein at least one compound represented by general formula (I) is contained in the silver halide emulsion layer or another hydrophilic colloid layer:A--B m(I)wherein A represents a blocking group capable of releasing B during processing, and B represents a group capable of releasing a residual color improving agent which satisfies Condition 1 after being released from A--B, and is linked to A via a hetero atom in B.Condition 1:When a 2 ml aqueous solution of 4.0.times.10.sup.-4 mole/l of anyhydro-5,5'-dichloro-9-ethyl-3,3'-bis(3-sulfopropyl)-thiacarbocyanine hydroxide.pyridinium salt is mixed with a 1 ml aqueous solution of 1.0.times.10.sup.-1 mole/l of potassium chloride, and 4 ml of an aqueous solution of 8.0.times.10.sup.

Abstract: A number of embodiments of internal combustion engine exhaust systems each of which is effective to provide good silencing for exhaust gases through the use of an elastic diaphragm that dampens pulsations. In some embodiments, this elastic diaphragm forms a portion of a Helmholz resonator and in some the diaphragm is cooled by submerging in a cooling jacket of the engine or its exhaust system or by means of cooling air fins. Also, various arrangements are incorporated for adjusting or tuning the rigidity of the diaphragm. Furthermore, in some embodiment the diaphragm is suspended in such a way as to act as a vibration damping member between mechanical components of the exhaust system.

Abstract: A molecular crystal comprising a molecule represented by formula (I) shown below: ##STR1## The crystal has high blue light transmittance and non-linear optical characteristics.

Abstract: A process for preparing a silver halide emulsion, which comprises dissolving one or more substantially water-insoluble photographic additives in a heated solution of an organic solvent containing a surfactant having a hydrophilic --CO.sub.3 or --OSO.sub.3 group to completely dissolve the one or more substantially water-insoluble additives, cooling the resulting solution to precipitate crystals, separating the crystals from the solution, drying the separated crytals, dispersing said crystals in water and adding the resulting dispersion to a silver halide emulsion.

Abstract: Several embodiments of combined torsional and elastic couplings for transmitting power from an engine output shaft that experiences torque fluctuations and a driveshaft. In each embodiment, the flexible coupling includes an inertial member that is coupled either elastically or by means of a viscous body to the engine output shaft for absorbing the torsional vibrations. In addition, an elastic coupling couples the engine output shaft to the driveshaft for permitting limited relative rotation to absorb torque flux variations in the engine output shaft.

Abstract: A fuel feed device for an internal combustion engine including a main fuel system including a charge forming device that supplies fuel, air requirements to the engine for most running conditions. An automatically operated auxiliary supply system is provided for supplying additional fuel and, in some instances, air to the engine in response to specific running conditions such as cold starting or cold enrichment. This system includes an automatically operated valve for controlling the fuel discharge. A manual override valve is provided that will permit manual selection of fuel enrichment or will shut off the fuel enrichment regardless of the condition of the automatic valve.

Abstract: A photopolymerizable composition which comprises (a) a polymerizable compound having at least one ethylenic unsaturated bond, and (b) a salt formed by an organic cationic dye compound and an organic boron compound anion, wherein the salt is represented by the following formula (I), in which an organic cationic dye compound is employed as D.sup..sym. to impart high spectral sensitivities to the composition ##STR1## wherein D.sup..sym. represents a cationic dye, and R.sup.1, R.sup.2, R.sup.3 and R.sup.4, which may be the same or different, each represents an alkyl group, an aryl group, an aralkyl group, an alkaryl group, an alkenyl group, an alkynyl group, or a group derived therefrom; and two or more of the substituent groups R.sup.1 and R.sup.4 can be combined to form a cyclic structure. The cationic dye D.sup..sym. is represented by formula (II).phi..sup..sym. -L=.PSI. (II)wherein .phi. and .PSI.

Abstract: A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer spectrally sensitized by at least one adsorptive spectral sensitizing dye, wherein the emulsion layer or a hydrophilic colloid layer adjacent to the emulsion layer contains at least one compound represented by following formula (I), (II), or (III); ##STR1##A.sub.2 --Time.sub.1).sub..sbsb.t.sbsb.1 X (II)A.sub.3 --Time.sub.2).sub.t.sbsb.2 Y (III)(all the symbols of which are defined in the specification) are disclosed.

Abstract: A silver halide black and white photographic material for printing a developed transparent color photographic material is disclosed, which comprises a support having thereon at least one light-sensitive silver halide emulsion layer, wherein the emulsion layer is composed of a silver halide emulsion which maintains a spectral sensitivity substantially between 520 nm and 620 nm and contains substantially no iodine.

Abstract: An organic nonlinear optical material which is an optically transparent solid solution comprising (a) an organic compound component exhibiting nonlinear optical response represented by formula (I): ##STR1## wherein Z.sup.1 represents an atomic group, which together with the adjacent carbon atom, forms a substituted or unsubstituted 5- to 6-membered aromatic ring having at least one nitro group as a substituent; and Z.sup.2 represents an atomic group, which together with the adjacent nitrogen atom, forms a substituted or unsubstituted pyrrole, imidazole, pyrazole, triazole or tetrazole ring, and (b) a polymer. The nonlinear optical material exhibits high nonlinear optical response and excellent transmission to blue light.