Abstract: In a glow plug controller, a glow plug 10 fixed to an engine 30 comprises a heater 4 and a ceramic substrate 2 having an exposed portion 2d which is exposed to the interior of a combustion chamber 32. A glow plug control apparatus 100 causes ECU 105 to control the energization of the heater 4 of the glow plug 10 to keep the surface temperature Ts of the exposed portion 2d to not lower than 500° C. Further, ionic current Ii is measured using the glow plug 10. Switches 102 and 103 switch from the energization of the glow plug to the detection of ionic current or vice versa in response to a command signal from ECU 105.

Abstract: A glow plug includes a metallic sleeve 1; a cylindrical metallic shell 2, which holds the metallic sleeve 1; a terminal electrode 3, which is attached into the cylindrical metallic shell 2 while being insulated therefrom; a ceramic heating member 4, which is fitted into the metallic sleeve 1; and a glass coating layer 5. In the glow plug, a portion of an ion detection electrode 411 is exposed at the surface of an insulator 44 of the ceramic heating member 4. The exposed portion is coated with a glass coating layer 5, which is formed in such a manner as to extend all around the insulator 44 of the ceramic heating member 4 and has a thickness of 10-200 &mgr;m and a softening point of not lower than 600° C.

Abstract: A glow plug and method for manufacturing the same. The glow plug includes a metallic sleeve 1; a cylindrical metallic shell 2, which holds the metallic sleeve 1; a terminal electrode 3, which is attached into the cylindrical metallic shell 2 while being insulated therefrom; a ceramic heating member 4, which is fitted into the metallic sleeve 1; and a glass coating layer 5. In the glow plug, a portion of an ion detection electrode 411 is exposed at the surface of an insulator 44 of the ceramic heating member 4. The exposed portion is coated with a glass coating layer 5, which is formed in such a manner as to extend all around the insulator 44 of the ceramic heating member 4 and has a thickness of 10-200 &mgr;m and a softening point of not lower than 600° C.

Abstract: Disclosed are new color developing agents such as those shown below and their analogues: When the color developing agent is used, the color development is accelerated and the developed photosensitive material can be prevented from yellow stain during storage thereof.

Abstract: A silver halide photosensitive material comprises a compound represented by formula (S1): wherein R1 represents a substituent group, n represents an integer from 0 to 4, R2 and R3 can be the same or different and represent a hydrogen atom or an alkyl group, and R4 represents a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic group.

Abstract: A jointed member, such as a tappet, obtained by brazing a disc which is ceramic member, and a tappet body which is a metal member, to each other by a brazing layer, the jointed member includes a reaction layer formed on the surface of the metal member adjacent to the brazing material and having a thickness of not less than 5 .mu.m, wherein the reaction layer contains, in addition to main elements forming the metal member, Cu in the range of 0.5 weight % to 8 weight % and Si in the range of 0.5 weight % to 8 weight %.

Abstract: A silver halide photographic light-sensitive material has at least one light-sensitive silver halide emulsion layer on a support, wherein a light-sensitive silver halide emulsion in the emulsion layer contains a compound represented by formula (I) below and a compound represented by formula (II) below. ##STR1## In formula (I), each of R.sub.1 to R.sub.3 represents a hydrogen atom, an alkyl group, or an aryl group. ##STR2## In formula (II), R represents a specific alkyl group, each of L.sub.1 and L.sub.2 represents a methine group, p.sub.1 represents 0 or 1, Z.sub.1 represents atoms required to form a 5- or 6-membered nitrogen-containing heterocyclic ring, M.sub.1 represents a charge-balancing counter ion, m.sub.1 represents a number from 0 to 10 required to neutralize electric charge of a molecule, and Q represents a methine group or a polymethine group substituted by a heterocyclic group or an aromatic group.

Abstract: A method for forming a color image comprises the step of developing an image-wise exposed silver halide color photographic photosensitive material at the presence of a 6-aminotetrahydroquinoline color developing agent which is the following compound or its analoge. According to this method, the rapid process can be attained and an image of a low fog density can be obtained.

Abstract: A method for forming a color image comprising developing an image-wise exposed silver halide color photographic photosensitive material in the presence of certain 6-aminotetrahydroquinoline color developing compounds or analogues thereof. A rapid process can be attained and an image of a low fog density can be obtained.

Abstract: A silver halide photographic material is described, which contains at least one compound represented by the following formula (S1): ##STR1## wherein R.sub.11 represents an alkyl group, an acyl group, an alkoxycarbonyl group, a carbamoyl group, a sulfonyl group, or a sulfamoyl group; R.sub.12 represents a hydrogen atom, an alkyl group or an acyl group, provided that when R.sub.11 represents an alkyl group, R.sub.12 represents an alkyl group, R.sub.11 and R.sub.12 may be linked with each other to form a 5- to 7-membered ring; R.sub.13 represents a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic group; R.sub.14 represents a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic group; and L represents --CO--, --SO.sub.2 -- or --SO--.

Abstract: A brazing alloy for joining a pair of members at least one of which is a metallic member, contains Ag, Cu, In and Ti, and further contains from 0.03 wt. % to 1.2 wt. % Ni. A composite assembly of members at least one of which is a metallic member aid which are joined with such a brazing alloy, is also provided.

Abstract: i) A method of forming color images improved in color reproducibility and sharpness, which comprises providing a silver halide color photographic material which has on a support at least one emulsion layer unit constituted of at least two silver halide emulsion layers having the same color sensitivity and different photographic speeds, and which contains at least one DIR compound represented by the following general formula (II) in at least one layer selected from said emulsion layer unit and other constituent layers; exposing said color photographic material, and processing said color photographic material with a color developer containing at least one compound represented by the following general formula (I): ##STR1## wherein R.sub.1 represents an alkyl group or a hydroxyalkyl group containing; R.sub.2 represents an alkylene group containing, or a straight-chain or branched hydroxyalkyiene group containing 3 to 6 carbon atoms; R.sub.

Abstract: A method for processing an imagewise exposed silver halide color photographic material comprising a support having thereon at least a silver halide emulsion layer containing a cyan dye-forming coupler, a silver halide emulsion layer containing a magenta dye-forming coupler, and a silver halide emulsion layer containing a yellow dye-forming coupler: wherein the silver halide color photographic material contains at least one cyan dye-forming coupler represented by the following general formula (I) or (II) in the silver halide emulsion layer containing the cyan dye-forming coupler: and wherein the processing comprises color developing the imagewise exposed silver halide color photographic material with a color developer containing a p-phenylenediamine derivative represented by the following general formula (III): ##STR1## wherein the substituents are defined herein the specification.

Abstract: A ceramic-steel joined body includes a ceramic body of silicon nitride, zirconia, silicon carbide, boron nitride, and alumina. The joined body also includes a steel body which has its surface carburized so that the hardness of the surface is greater than the hardness of the inside of the steel body. The ceramic body and the steel body are thermally joined using a brazing material of Ag--Cu--Ti, Ag--Cu--In--Ti, Ag--Ti, Cu--Ti, Ag--Cu--Ni--Ti, Ag--Cu or Ag--Cu--In.

Abstract: A method for processing a silver halide color photographic material, which comprises processing an image-wise exposed silver halide color photographic material comprising at least one silver halide emulsion layer and containing an N,N-substituted malondiamide type coupler with a color developer containing an aromatic primary amine color developing agent represented by the following general formula (D) or (E): ##STR1## In a preferred embodiment, the photographic light-sensitive material contains a cyan coupler represented by the following general formula (C): ##STR2##

Abstract: A color development process for processing an imagewise exposed silver halide color photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer comprising a color coupler and a silver iodobromide emulsion containing silver iodide in an amount of from 2 to 20 mol %, comprising the step of processing the color photographic material in a color developing solution containing a color developing agent and bromide ion for 40 seconds to 90 seconds, wherein the color developing agent is represented by formula (D'): ##STR1## wherein R.sub.1d, and R.sub.2d, each represents an alkyl group having 1 to 4 carbon atoms; and L.sub.1 represents a straight-chain or branched alkylene group having 3 or 4 carbon atoms, the concentration {Br.sup.- } of bromide ion in the color developing solution is from 30 to 60 mmol/l, the relationship between the concentration {R} of the color developing agent in the color developing solution and the concentration {Br.sup.

Abstract: A dye image-forming method comprising color developing an image wise exposed silver halide color photographic material comprising a support having thereon a layer containing an acylacetamide yellow coupler having an acyl group represented by a following formula (YI) ##STR1## wherein R.sub.1 represents a monovalent group; Q represents a group of atoms necessary to form 3- or 5-membered hydrocarbon ring or a 3- to 5-membered heterocylcic ring; provided that R.sub.1 is not a hydrogen atom and is not combined with Q to form a ring; with a developing solution containing at least one aromatic primary amine color developing agent represented by formula (D) or (E): ##STR2## wherein R.sub.4 represents a linear or branched alkyl group having 1 to 6 carbon atoms or a linear or branched hydroxyalkyl group having 3 to 6 carbon atoms; R.sub.5 represents a linear or branched alkylene group having 3 to 6 carbon atoms or a linear or branched hydroxyalkylene group having 3 to 6 carbon atoms; R.sub.

Abstract: A process for forming a color image comprises the step of developing an image-wise exposed silver halide color photographic material with a color developing composition containing an N-(4-aminophenyl)pyrrolidine derivative such as ##STR1## which produces an excellent hue in a rapid process.

Abstract: There are provided p-phenylenediamine color developing agent such as ##STR1## which makes it possible to form a yellow dye having a color image fastness to light while its ordinary photographic properties such as the developing activity and hue are kept. A processing liquid composition for a silver halide color photosensitive material comprises the p-phenylenediamine color developing agent and a pH buffering agent, and has a pH of 9 to 12. A process for forming a color image of claim comprises color-developing an image-wise exposed silver halide color photographic material with the processing liquid composition at a temperature of 30.degree. to 45.degree. C. for 20 seconds to 4 minutes.

Abstract: A tappet for an internal combustion engine consists of a tappet main body and a ceramic seat plate brazed to the tappet main body. The tappet main body is made up of a first part made of low carbon steel and a second part made of metal. In manufacture, the first and second parts are first welded together to constitute the tappet main body, and then the ceramic seat is brazed to the tappet main body. The low carbon steel forming the first part of the tappet main body has such a property that when carburized it can be hardened by making use of the heat for the brazing, and the metal forming the second part of the tappet main body has such a property that it can be hardened by making use of the heat for the brazing.