Abstract: A process for the production of polyolefin pellets by cuffing a raw material which contains a molten polyolefin resin and which is extruded from an extrusion orifice (121) of a die (12) into predetermined lengths with an underwater cutter (14) which is set in close vicinity to the die face of the die (12) and which rotates in water, satisfying the following requirements (A) to (C): (A) the average linear velocity (u) of the raw material passing through the extrusion orifice (121) as defined by the equation (Eq-1) is 50 to 650 mm/sec, (B) the fictitious aspect ratio (r) as defined by the equation (Eq-2) is 1.6 or below, and (C) the r/u value is 0.002 or above wherein Q is extrusion rate (mm3/sec) of the raw material per extrusion orifice; R is radius (mm) of the extrusion orifice; and t is cutting time (sec) defined as an inverse number of the product of the number of revolution of the under-water cutter and the number of blades of the cutter.

Abstract: It is an object of the present invention to provide a stable production process for a melt-blown nonwoven fabric comprising thin fibers and having extremely few thick fibers [number of fusion-bonded fibers] formed by fusion bonding of thermoplastic resin fibers to one another, and an apparatus for the same. The present invention relates to a melt-blown nonwoven fabric comprising polyolefin fibers and having (i) a mean fiber diameter of not more than 2.0 ?m, (ii) a fiber diameter distribution CV value of not more than 60%, and (iii) 15 or less fusion-bonded fibers based on 100 fibers; a production process for a melt-blown nonwoven fabric characterized by feeding cooling air of not higher than 30° C. from both side surfaces of outlets of slits 31 from which high-temperature high-velocity air is gushed out and thereby cooling the spun molten resin; and a production apparatus for the same.

Abstract: To provide an induction heating apparatus that employs a batch-type heating system for heating a large-diameter wafer and can perform uniform heating with a high precision, an induction heating apparatus (10) that heats an inductive-heating target member using a magnetic flux generated from a solenoid-type induction heating coil (18) and heats a wafer (40) using the heat generated from the inductive-heating target member, wherein a plurality of inductive-heating target members 14 (14a, 14b, and 14c) of which principal surface is arranged perpendicularly to a core axis direction of the induction heating coil (18) are interspersed. In the induction heating apparatus (10) described above, a susceptor (12) may be configured by housing the inductive-heating target member (14) in a single holder (16) made of a member having magnetic permeability and heat conductivity.

Abstract: A method for producing a 3-(substituted oxy)-4-pyridazinol compound represented by the following general formula (I): comprising reacting a compound represented by the following general formula (III): with a compound represented by the following general formula (IV): MO—R2??(IV). The compound represented by the general formula (I) can be reacted with a compound represented by the following general formula (VI): to provide a compound of general formula (V): Each of the groups in the formulas is defined. The compounds of general formulas (I) and (V) can be obtained in a high yield and with high selectivity at a low cost, and therefore various functional and active substances can be advantageously synthesized using the compounds as a medicine, an agricultural chemical, a functional material, or an intermediate thereof.

Abstract: A novel olefin production process is provided which can be established as an industrial and practical process capable of producing olefins by directly reacting a ketone and hydrogen in a single reaction step. In particular, a novel olefin production process is provided in which propylene is obtained with high selectivity by directly reacting acetone and hydrogen. The olefin production process according to the present invention includes reacting a ketone and hydrogen in the presence of at least one dehydration catalyst and a silver-containing catalyst, and the at least one dehydration catalyst is selected from metal oxide catalysts containing a Group 6 element, zeolites, aluminas and heteropoly acid salts in which part or all the protons in heteropoly acids are exchanged with metal cations.

Abstract: A resin molding apparatus of a simplified structure is provided that offers high handling efficiency by a work robot, thereby improving a throughput. The resin molding apparatus (200) that retains a hollow molded body (10) including a closed-bottom cylindrical main body (12) and a cylindrical open neck portion (20), the open neck portion (20) including a helical ridge portion (22) formed on an outer circumferential surface thereof and divided into a plurality of helical segments by a slit (24) extending in an axial direction of the open neck portion (20), and that overmolds a resin sheathing body (30) on an outer surface of the main body (12), includes a first recess in which the open neck portion (20) is to be fitted, and a rib (216) formed on a circumferential surface of the recess so as to extend in a depthwise direction thereof, and to be engaged with the slit (24).

Abstract: A nitrogen-oxide-removing catalyst includes ? zeolite bearing a rare earth metal oxide, and titanium dioxide bearing a rare earth metal oxide; includes ?-zeolite bearing a rare earth metal oxide and iron oxide or iron hydroxide, and titanium dioxide bearing a rare earth metal oxide and iron oxide or iron hydroxide; or includes a carrier made of a ceramic or metallic material, and a layer of the nitrogen-oxide-removing catalyst supported on the carrier.

Abstract: Polyester resins (C) of the invention have a practically sufficient high molecular weight and a high crystallinity and have an amide group in the molecular chain. Processes for producing the polyester resins are also disclosed. In detail, the polyester resins (C) have a practically sufficient high molecular weight and a high crystallinity and have a biodegradable amide group in the molecular chain. Processes for producing the polyester resins are also disclosed. The polyester resins (C) are obtained by reacting an aliphatic polyester resin (A) and a polyisocyanate compound (B) in the presence of an amidation catalyst and contain a specific structural unit.

Abstract: A plasma generating apparatus includes a linear electrode for generating a high voltage by resonance caused when the linear electrode is supplied with an AC signal current, an grounded electrode for defining an internal space spaced from the linear electrode around the linear electrode, and a control device for controlling the power feed to the linear electrode. The control device has a field probe for measuring the electric field in the internal space, and a bandpass filter for filtering the measurement signal into a predetermined frequency band to output an AC signal, a variable phase shifter for shifting the phase of the AC signal so that the AC signal is synchronized with the resonance signal in the internal space when the AC signal is supplied to the linear electrode as a current, and an amplifier for amplifying the AC signal of which the phase is shifted.

Abstract: A stator core 10 and its manufacturing method, the stator core 10 including laminated stator core sheets 17, each of the stator core sheets 17 punched out from a magnetic metal sheet 32, a central portion of the magnetic metal sheet 32 previously punched out to form a rotor core sheet 36, the stator core 10 including a thin section 24 formed in a magnetic pole piece 19 of each of the stator core sheets 17, the thin section 24 formed by pressing both sides of the magnetic pole piece 19 in a thickness direction and radially-inwardly elongating the magnetic pole piece 19. The present invention prevents the magnetic pole piece 19 from being curved and improves interlocking accuracies and dimensional accuracies in blanking the rotor core sheet 36 and the start core sheet 17 from one magnetic metal sheet 32.

Abstract: A lock device includes: a body having a striker insertion groove into which a striker is inserted; a hook lever shaft mounted to the body; and a hook lever rotatably mounted to the body via the hook lever shaft, and that moves to an engagement position where the hook lever is engaged with the striker inserted into the striker insertion groove, and that moves to a release position where the engagement with the striker is released. The lock device is rotatably supported by a support member so as to change an opening position of the striker insertion groove. The hook lever shaft is rotatably mounted to the body, and has a flange interposed between the body and the support member, and the body is supported by the support member so as to rotate about the hook lever shaft as a rotation shaft.

Abstract: A tin oxide particle having a structure characterized by peaks in Raman spectroscopy at at least 37±9 cm?1, 57±9 cm?1, 97±9 cm?1, 142±9 cm?1, 205±9 cm?1, 255±9 cm?1. The tin oxide particle preferably has an infrared transmittance of 80% or less at a wavelength of 1500 nm. The tin oxide particle preferably exhibits electroconductivity. The tin oxide particle is preferably substantially free from a dopant element that develops electroconductivity.

Abstract: Provided is a novel coated phosphor capable of effectively suppressing the adverse effects of hydrogen sulfide gas generated by the reaction between a sulfur-containing phosphor and moisture in the air. Provided is a sulfur-containing phosphor having a configuration in which ZnO compound containing Zn and O is present on the surface of a sulfur-containing phosphor having a host material which includes sulfur.

Abstract: A method for producing an alkylated aromatic compound includes a step (i) of producing a reaction product (a1) containing the alkylated aromatic compound and water by the reaction of an aromatic compound, a ketone, and hydrogen using a metal component containing at least one metallic element of copper, nickel, cobalt, and rhenium and a solid acid substance; a step (ii) of forming a dehydrated product (a2) from at least a portion of the reaction product (a1) by removing at least a portion of the water in the reaction product (a1); and a step (iii) of producing a reaction product (a3) containing the alkylated aromatic compound by bringing at least a portion of the dehydrated product (a2) into contact with a solid acid substance.

Abstract: Provided are a method and a device for efficiently decomposing gas hydrate pellets and extracting gas. That is, provided is a method for decomposing gas hydrate characterized by supplying gas hydrate pellets to a decomposition vessel, damming and gathering densely the pellets on a downstream side in the decomposition vessel, and passing hot water through this pellet layer which is in a densely gathered state, to thereby decompose the pellets into water and gas.

Abstract: The gas turbine intake anti-icing device is used for a gas turbine electric power generation system (1) having a gas turbine (2) and a power generator (20) coupled to the gas turbine (2) and rotationally driven to generate electrical power. The gas turbine intake anti-icing device includes a power generator cooling mechanism (21, 22, 23, 25), which takes air from the outside and introduces air into the power generator (20) to cool the power generator (20), and exhaust air supply path (31) that connects intake path (9) of the gas turbine (2) to exhaust path (30) for air that is discharged from power generator cooling mechanism (21, 22, 23, 25) after the power generator (20) is cooled. The air discharged from the power generator cooling mechanism (21, 22, 23, 25) is supplied to the intake path (9) of the gas turbine (2) through the exhaust air supply path (31).

Abstract: The purpose of the present invention is to minimize switching losses of an inverter. An induction heating device includes: a plurality of induction heating coils (20) which are disposed adjacent with each other; a plurality of inverters (30), each of which has a capacitor (40) serially connected to each of the induction heating coils (20), and converts a DC voltage into a square wave voltage; and a control circuit (15) which controls so as to align the phase of coil currents flowing though the plurality of the induction heating coils (20), wherein the control circuit (15) controls the timing at which the square wave voltage transitions such that an instantaneous value of the square wave voltage is preserved in either the DC voltage or a turnover voltage, when the coil current zero crosses.

Abstract: A laminated iron core and a method for manufacturing the same are provided to secure the lamination strength of the respective iron core pieces thereof, and to provide good magnetic efficiency and to reduce a loss. In a laminated iron core including a first caulking section formed in an area thereof having larger magnetic flux density than other area and a second caulking section formed in the other area, the engagement area A of the recessed sub-sections and projecting sub-sections of the first caulking sections of divided iron core pieces adjoining each other in the laminating direction is set smaller than the engagement area B of the recessed sub-sections and projecting sub-sections of the second caulking sections adjoining each other in the laminating direction.

Abstract: A plastic polarized lens of the present invention, comprising: a polarized film containing thermoplastic polyester, a coat layer containing a urethane-based resin comprised of a structural unit derived from compound having hydroxyl group and a structural unit derived from aromatic diisocyanate, which is formed over at least one surface of the polarized film and a substrate layer containing a thiourethane-based resin, which is formed over at least the coat layer of the coat layer-attached polarized film.

Abstract: Provided is a sputtering target characterized by containing Ag and C. The sputtering target contains Ag in addition to Fe, Pt and C. By allowing the sputtering target to contain Ag, the sputtering target has high density. As a result, when the sputtering target is placed in a vacuum atmosphere in the sputtering process, the amount of a gas emitted from the sputtering target can be reduced, and the properties of a thin film formed by sputtering can be improved. Moreover, even when the sputtering target is produced by low-temperature sintering, it has high density.