Abstract: A neutral titanium dioxide colloid sol having a high stability in a neutral range and capable of forming a colorless transparent coating even when dried at room temperature is produced by mixing an acid titanium dioxide sol comprising 50 to 100 parts by weight of titanium dioxide colloidal particles and 5 to 50 parts by weight of a chelating agent for titanium ions with 1 to 50 parts by weight of an alkaline substance comprising at least one of alkali metal compounds and amine compounds, and optionally by adjusting the pH value of the liquid mixture to 5 to 10, or adjusting the pH value of the liquid mixture to 6 to 10, and then applying a deionization treatment to the mixture to thereby charge the titanium dioxide colloidal particles with negative electricity.

Abstract: The present invention attains a microwave absorber attachment in a readily, rapidly and stable manner. According to the microwave absorber attaching method and structure of the present invention, a plurality of ferrite plates 4 are bonded to a shield plate 2 at an installation place such as the ceiling, a wall, the floor or the like; the base portion of a support rod 6 is connected to the ferrite plates 4, causing the support rod 6 to project therefrom; a microwave absorber 1 is placed with its base portion placed along the ferrite plates 4; the support rod 6 passes through a tip opening 11 of the microwave absorber 1, causing the support rod 6 to project therethrough; a covering tray 8 allows for the support rod 6 to pass therethrough to cover the microwave absorber 1; and a fastening member is fastened to a tip threaded portion 12 of the support rod 6, thus attaching the microwave absorber 1 to the installation place. The gaps between adjacent ferrite plates 4 are filled with a magnetic sealing agent.

Abstract: A control and inquiry system handles construction project information that is related to the construction of a building. The construction project information includes content information, work schedule information, work progress information and change order information and is maintained on a control and inquiry computer system that is coupled to a computer network. Construction project information may be accessed by a home builder computer system and a client computer system that are also coupled to the computer network.

Abstract: A photocatalytic filter having a coating layer formed in a thickness of 5 to 60 &mgr;m on a base material and including 5 to 60% by weight of ultraviolet ray-transmissible particles (such as glass particles or fibers) having a minor axis of 0.2 to 50 &mgr;m, 20 to 80% by weight of photocatalytical particles (TiO2) having an average particle size of 0.001 to 0.02 &mgr;m, 10 to 60% by weight of fine silica particles having an average particle size of 0.002 to 0.2 &mgr;m and optionally 0.2 to 20% by weight of a clay mineral material, preferably a portion of the ultraviolet ray-transmissible particles being exposed to the outside of the coating layer, exhibits a high air-cleaning activity, a high adhesion of the coating layer to the base material and a high durability in the air-cleaning activity.

Abstract: An amino acid-enriched feed, industrially produced mixed feed or premix thereof which is obtainable by mixing (a) a feed raw material containing predominantly at least one feed component selected from the group consisting of corn gluten meal powder, corn gluten feed powder and an intermediate product thereof, said intermediate product being one obtained in a corn wet milling step with (b) an amino acid fermentation broth containing 3 to 80% by weight of an amino acid or its treated solution and thereafter drying the resultant mixture or by conducting drying during mixing of the raw materials (a) and (b). It has improved powder characteristics in flowability and homogeneity of the mixing components as compared with the case that crystalline amino acid is used as feed additive.

Abstract: A composite plated metal material having a composite coating layer with excellent adhesion and mechanical properties is produced by (1) displace deposition-plating a metal I base material with a metal II having a nobler oxidation-eduction potential than that of metal I and (2) dope-modifying the resultant metal II coating layer with a metal III-containing deposit in which metal III is different from metal II and exhibits a nobler oxidation-reduction potential than that of metal I, by using a displace deposition-plating aqueous solution containing metal III-containing compound ions.

Abstract: An injection molding die comprising a lower die and an upper die for manufacturing an objective lens drive unit, comprises a plurality of gates formed on the lower die in position perpendiculars to the direction of opening and closing the lower die and the upper die for allowing resin to flow into the cavity formed of the lower die and the upper die and a plurality of runners each with an end thereof connected to the corresponding gate and the other end thereof formed on the upper die, wherein each of the runners including the end-to-end portion thereof is formed inclined toward the upper die.

Abstract: A process for producing an alkali metal polyphosphate, comprising heating a solution comprising a solvent, alkali metal ions, phosphate ions, and 3 to 50% by weight of organic matter, wherein the solution contains, in total, 5 to 65% by weight of the alkali metal ions and the phosphate ions, and the ratio M/P is 1.0 to 3.0, wherein M is the number of moles of alkali metal ions in the solution and P is the number of moles of orthophosphate ions in the solution, at a temperature of 800.degree. to 1200.degree. C. in the presence of excess air, optionally after the solution is at least partially dried to solid, to produce the alkali metal polyphosphate.

Abstract: A feed additive comprising granules containing amino acids and other fermentation products and a caking preventive agent. The feed additive has excellent flowability, exhibits less caking following moisture absorption, and is convenient to use. and store.

Abstract: A metallic sliding material including at least a support member with a sliding surface and an inorganic compound coating layer formed on the sliding surface is disclosed. The sliding surface is formed from an aluminum alloy or a reinforcing material-containing aluminum alloy. The inorganic compound coating layer is formed from at least one aluminum compound, and at least one phosphorus compound, and at least one member selected from the group of molybdenum compounds, tungsten compounds, and chromium compounds. These compounds are present in such concentrations that molybdenum, tungsten, and chromium collectively constitute 2 to 48% by weight of the inorganic compound coating layer, aluminum constitutes 1 to 25% by weight of the inorganic compound coating layer, phosphorus constitutes 1 to 25% by weight of the inorganic compound coating layer, and the balance of the inorganic compound coating layer is oxygen and impurities.

Abstract: A cylinder head for an internal combustion engine includes a metallic cylinder head body, and a valve seat. The cylinder head body is provided with an inlet port, and an outlet port which are opened and closed by an inlet valve, and an outlet valve, respectively. The valve seat is disposed at an end of the inlet port or the outlet port, has a contact surface which is contacted with and separated from the inlet valve or the outlet valve, and is formed of a laminated substance. The laminated substance is formed as flakes by thermal spraying particles in a predetermined depositing direction, and the contact surface is inclined by an angle of from 0 to 60 degrees with respect to the depositing direction. In the cylinder head, the valve seat is strongly bonded to the cylinder head body, exhibits improved frictional characteristics on the contact surface, and has such high thermal conductivity in a depth-wise direction that it can be readily cooled to a low temperature.

Abstract: A hydrophilic, photocatalytic, transparent and adhesive aqueous TiO.sub.2 ceramic paint comprises orthotitanic acid, Ti.sup.4+ ions and/or peroxotitanic acid and crystalline TiO.sub.2 colloidal particles with an average particle size of 0.001 to 0.2 .mu.m, and is produced by applying (a) semipermeable membrane dialysis, (b) semipermeable membrane electrodialysis or (c) ion-exchange treatment to an aqueous Ti salt solution to thereby hydrolyze and convert at least a portion of the Ti salt to the orthotitanic acid and the TiO.sub.2 colloidal particles and simultaneously to remove impurity ions from the aqueous solution, or by heating the Ti salt solution at 50.degree. to 100.degree. C.

Abstract: In a method of manufacturing a sliding member, a granular spraying material is sprayed on at least a part of a surface of a body portion made of a structural material in at least partially fusing condition and in the direction which is parallel to or diagonal to a sliding surface. Then, a sprayed layer is formed by depositing the spraying material in the direction which is perpendicular to the sliding surface. The sliding surface is a section of the deposited spraying material which is obtained by grinding or cutting the sprayed layer in depositional direction.

Abstract: In order to effect thermal spraying of an inner surface at an optimal thermal spray distance depending upon thermal spray conditions, a method for thermal spraying of the inner surface includes the steps of inserting a thermal spray material bending member 3 having an inclined guide plane 8 at its tip face into the opening so as to face a thermal spray gun 1, moving the thermal spray gun 1 and the thermal spray material bending member 3 in synchronization with each other while maintaining the distance between the thermal spray gun 1 and the thermal spray material bending member 3 at a predetermined value and changing the direction of a thermal spray jet 4 jetted straight from the thermal spray gun 1 by the thermal spray material bending member 3 to spray the thermal spray jet 4 on the inner surface of the opening.

Abstract: A hard facing chromium-base alloy consisting essentially of 30.0 to 48.0% by weight of nickel. 1.5 to 15.0% by weight of tungsten and/or 1.0 to 6.5% by weight of molybdenum, the balance being more than 40.0% by weight of chromium, and the maximum sum of tungsten and molybdenum being 15.0% by weight. The alloy may also contain one or more of iron, cobalt, carbon, boron, aluminum, silicon, niobium and titanium. When the alloy is used in powder form as a material for hard facing by welding, the alloy may further contain 0.01 to 0.12% by weight of aluminum, yttrium, misch metal, titanium, zirconium and hafnium. 0.01 to 0.1% by weight of oxygen may also be added to the alloy. The alloy has a high degree of toughness wear resistance and corrosion resistance. The alloy can be used as a hard facing material to be applied to various objects, such as automobile engine valves.

Abstract: A microwave absorber in a pointed shape, including a phenol resin foam containing a dielectric loss material, is prepared by setting an incombustible sheet container of a same shape in a mold in a pointed shape, pouring the phenol resin to which the dielectric loss material is blended, and foaming and curing. As a result, a semi-incombustible or incombustible microwave absorber of high strength possessing a high microwave absorption capacity in a wideband is obtained.

Abstract: A nickel and/or cobalt deposition process which can be run at a nearly neutral pH and which rapidly deposits nickel and/or cobalt in quantities large enough to improve the paint adhesion and post coating corrosion resistance, and which has a good solution stability, is achieved by treating zinc coated sheet steel with an aqueous solution that has a pH between 5 and 10 inclusive and comprises (A) a total of at least 0.01 g/L of metal ions selected from the group consisting of Ni.sup.2+ and Co.sup.2+ ions and (B) a sufficient amount to fully complex the metal ions recited in part (A) of complexing agents selected from the group consisting of ammonia and organic compounds having at least one amino group in the neutral region.

Abstract: A hard facing chromium-base alloy consisting essentially of 30.0 to 48.0% by weight of nickel, 1.5 to 15.0% by weight of tungsten and/or 1.0 to 6.5% by weight of molybdenum, the balance being more than 40.0% by weight of chromium, and the maximum sum of tungsten and molybdenum being 15.0% by weight. The alloy may also contain one or more of iron, cobalt, carbon, boron, aluminum, silicon, niobium and titanium. When the alloy is used in powder form as a material for hard facing by welding, the alloy may further contain 0.01 to 0.12% by weight of aluminum, yttrium, misch metal, titanium, zirconium and hafnium. 0.01 to 0.1% by weight of oxygen may also be added to the alloy. The alloy has a high degree of toughness, wear resistance and corrosion resistance. The alloy can be used as a hard facing material to be applied to various objects, such as automobile engine valves.