摘要:
A wear-resistant aluminum alloy material excellent in workability and wear-resistance is provided.A wear-resistant aluminum alloy material excellent in workability includes Si: 13 to 15 mass %, Cu: 5.5 to 9 mass %, Mg: 0.2 to 1 mass %, Ni: 0.5 to 1 mass %, P: 0.003 to 0.03 mass %, and the balance being Al and inevitable impurities. An average particle diameter of primary Si particles is 10 to 30 μm, an area occupancy rate of the primary Si particles in cross-section is 3 to 12%, an average particle diameter of intermetallic compounds is 1.5 to 8 μm, and an area occupancy rate of the intermetallic compounds in cross-section is 4 to 12%.
摘要:
There is provided a SIP communication system or the like which, by performing SIP communication between a terminal and a call control server, performs position registration or calling control of the terminal and provides one or multiple supplementary services for an incoming/outgoing call in accordance with subscriber information managed by a home subscriber server, wherein the call control server is provided with supplementary service function sections for providing the multiple supplementary services, respectively, and a service management section for causing the services of the multiple supplementary service function sections to be distributed and executed while managing conflicts.
摘要:
A fuel level detection device detects the level of fuel in the fuel tank. The fuel level detection device comprises a body including at least one mounting station and a fuel level detection unit. The fuel level detection unit includes a base and a float mounted relative to the base so as to have varying position relative to the base depending on the level of fuel in the fuel tank. The fuel level detection unit further contains a link coupling the float to the base and a sensor producing a signal indicative of the position of the float within the fuel tank. The fuel level detection unit is capable of being disposed at more than one position on the body.
摘要:
A method for producing a lithographic printing plate is disclosed, comprising performing the plate-making by scan exposing a lithographic printing original plate comprising a hydrophilic support having thereon a photosensitive layer containing i) at least one polyurethane resin binder, ii) at least one compound having an addition polymerizable ethylenically unsaturated bond, and iii) at least one photopolymerization initiation system. Also disclosed are a photosensitive composition for use in the photosensitive layer of the lithographic printing original plate.
摘要:
A method for preparing a lithographic printing plate involving the steps of subjecting, to imagewise exposure, a presensitized plate for use in making a lithographic printing plate comprising an aluminum substrate provided thereon with a light-sensitive layer formed from a photopolymerizable light-sensitive composition, which comprises a compound having an ethylenically unsaturated double bond, a photopolymerization initiator and a polyurethane resin binder and then developing the imagewise exposed plate with a developer containing an inorganic alkaline agent and a nonionic surfactant, carrying a polyoxyalkylene ether group, having a pH value ranging from 10.0 to 12.5 and an electrical conductivity ranging from 3 to 30 mS/cm.
摘要:
A photopolymerizable composition comprising an addition-polymerizable compound having at least one ethylenic unsaturated double bond, a specific sensitizing dye represented by the following formula (I), and a titanocene compound: ##STR1## The substituents in formula (I) are defined in the specification.
摘要:
A photopolymerizable composition comprises: (i) a polymerizable compound carrying an addition-polymerizable unsaturated bond; (ii) a methine compound; (iii) at least one compound selected from the group consisting of: (a) compounds having carbon-halogen bonds, (b) aromatic onium salts, (c) organic peroxides, (d) thio compounds, (e) hexaaryl-biimidazoles, (f) ketooxime esters, and (g) compounds represented by the following general formula (III): ##STR1## wherein R.sup.6, R.sup.7, R.sup.8 and R.sup.9 may be the same or different and each represents a substituted or unsubstituted alkyl, aryl, alkenyl, alkynyl or heterocyclic group, provided that at least two of R.sup.6, R.sup.7, R.sup.8 and R.sup.9 may be bonded together to form a ring structure and that at least one of them represents an alkyl group; and Z.sup.+ represents an alkali metal cation or a quaternary ammonium cation. The composition has a high sensitivity to a wide range of actinic light rays extending from ultraviolet to visible light.
摘要:
A valve apparatus which comprises a main valve body and a main valve seat detachably abutting against each other to open and close a main fluid pass defined therebetween, and wherein, as measured from the longitudinal section of the valve apparatus, the detachably abutting plane of the main valve seat has a larger curvature radius than that of the main valve body in order to let a fluid stream conducted through the main fluid pass flow along the surface of the main valve seat; and that part of the surface of the main valve body defining one side of the main fluid pass with the main valve seat which faces the throat section of said main fluid pass is provided with a sharp edge at its end portion to allow for the easy removal of a main fluid stream from the main valve body.
摘要:
A carbon block for a cathode of an aluminum electrolytic cell comprising a carbon block having a stability constant of 0.7-1.0, said block composed of a baked raw material mainly comprising petroleum coke. The block is prepared by baking a carbon block mainly comprising petroleum coke at high temperatures.
摘要:
A straddle-type vehicle that reliably leads fuel that overflows from a fuel fill opening away to a safe area without specialist components. A fuel tank includes a recess portion that is formed around a fuel fill opening, and a raised section that is formed to the outer side of the recess portion and that is at a higher position than the recess portion.