Abstract: A cylinder head cleaning method capable of cleaning a cylinder head with an enhanced foreign matter removing rate. The method is used to clean a cylinder head (1) having therein a water jacket (15) including a narrow space portion (Z) having a narrow flow path and a large space (Y) having a flow path wider than the narrow space portion (Z), and the cylinder head (1) further having holes (12A-12R, 13, 14, 16A-16C) communicating with the water jacket (15). Cleaning nozzles (28A, 28C) are inserted into the water jacket (15) from the holes (16A, 16C) selected from the holes (12A-12R, 13, 14, 16A-16C), clearing liquid is ejected from the cleaning nozzles (28A, 28C) toward the narrow space portion (Z), and the cleaning liquid flowing from the narrow space portion (Z) to the large space (Y) is discharged to the outside of the cylinder head (1) from the hole (16B) communicating with the space (Y).

Abstract: A cylinder head cleaning method capable of cleaning a cylinder head with an enhanced foreign matter removing rate. The method is used to clean a cylinder head having therein a water jacket including a narrow space portion having a narrow flow path and a large space having a flow path wider than the narrow space portion, and the cylinder head further including holes communicating with the water jacket. Cleaning nozzles are inserted into the water jacket from the holes selected from the holes, clearing liquid is ejected from the cleaning nozzles toward the narrow space portion, and the cleaning liquid flowing from the narrow space portion to the large space is discharged to the outside of the cylinder head from the hole communicating with the space.

Abstract: A cylinder head cleaning method capable of cleaning a cylinder head with an enhanced foreign matter removing rate. The method is used to clean a cylinder head (1) having therein a water jacket (15) including a narrow space portion (Z) having a narrow flow path and a large space (Y) having a flow path wider than the narrow space portion (Z), and the cylinder head (1) further having holes (12A-12R, 13, 14, 16A-16C) communicating with the water jacket (15). Cleaning nozzles (28A, 28C) are inserted into the water jacket (15) from the holes (16A, 16C) selected from the holes (12A-12R, 13, 14, 16A-16C), clearing liquid is ejected from the cleaning nozzles (28A, 28C) toward the narrow space portion (Z), and the cleaning liquid flowing from the narrow space portion (Z) to the large space (Y) is discharged to the outside of the cylinder head (1) from the hole (16B) communicating with the space (Y).

Abstract: A method and system of authenticating a mobile terminal may include using a Mobile Virtual Network Operator (MVNO) authentication device managed by a mobile virtual network operator, receiving an authentication request sent from the mobile terminal from a relay device via a MVNO base station configured to provide a service of the mobile virtual network operator, where the relay device is located between the MVNO base station or a Mobile Network Operator (MNO) base station configured to provide a service of a mobile network operator and the MVNO authentication device or a MNO authentication device managed by the mobile network operator, and determining whether or not access from the mobile terminal, as a MVNO mobile terminal registered as a user of the mobile virtual network operator, based on the authentication request is permitted.

Abstract: A method and system of authenticating a mobile terminal may include using a Mobile Virtual Network Operator (MVNO) authentication device managed by a mobile virtual network operator, receiving an authentication request sent from the mobile terminal from a relay device via a MVNO base station configured to provide a service of the mobile virtual network operator, where the relay device is located between the MVNO base station or a Mobile Network Operator (MNO) base station configured to provide a service of a mobile network operator and the MVNO authentication device or a MNO authentication device managed by the mobile network operator, and determining whether or not access from the mobile terminal, as a MVNO mobile terminal registered as a user of the mobile virtual network operator, based on the authentication request is permitted.

Abstract: A cylinder head cleaning method capable of cleaning a cylinder head with an enhanced foreign matter removing rate. The method is used to clean a cylinder head having therein a water jacket including a narrow space portion having a narrow flow path and a large space having a flow path wider than the narrow space portion, and the cylinder head further including holes communicating with the water jacket. Cleaning nozzles are inserted into the water jacket from the holes selected from the holes, clearing liquid is ejected from the cleaning nozzles toward the narrow space portion, and the cleaning liquid flowing from the narrow space portion to the large space is discharged to the outside of the cylinder head from the hole communicating with the space.

Abstract: An image display device includes a main body having a display unit with a first display screen A and a display unit with a second display screen B and a link 56 for merging the two display screens to one. The two play units are opened and closed at the link so that display screens are folded over each other for carrying like a book, and they are opened in a use mode to permit the recognition of the display image.

Abstract: An image display device includes a main body having a display unit with a first display screen A and a display unit with a second display screen B and a link 56 for merging the two display screens to one. The two display units are opened and closed at the link so that the display screens are folded over each other for carrying like a book, and they are opened in a use mode to permit the recognition of the display image.

Abstract: The invention provides a novel magnetron plasma processing apparatus comprising the following, a vacuum chamber storing an etching object, the first electrode which is provided in the vacuum chamber and holds the etching object, the second electrode which is disposed in opposition from the first electrode, where the first and second electrodes are in parallel with each other, a gas-supply unit feeding etching gas to the vacuum chamber, a magnetic-field generating means which is disposed on the part opposite from the first electrode in opposition from the second electrode, and a power-supply unit which feeds power to either of these first and second electrodes and generates discharge between these parallel electrodes. Magnetic-field generating means is provided with a magnetic block whose both-end surfaces are provided with magnetic poles having polarity inverse from each other, and in addition, a plane recess opposite from the second electrode is provided between both-end surfaces of the magnetic block.

Abstract: An information display apparatus comprising goggles and a terminal and having a dot density so high as to be capable of reproducing textual information is disclosed, in which the goggles include light sources, a fixed mirror and a rotary mirror arranged in such a manner as to satisfy predetermined conditions, and the data transmitted from the terminal are reproduced as an image.

Abstract: A magnetron plasma processing apparatus includes, a vacuum chamber storing an etching object, a first electrode which is provided in the vacuum chamber and holds the etching object, a second electrode which is disposed in opposition from the first electrode and parallel with the first electrode. A gas-supply unit feeding etching gas to the vacuum chamber while, a magnetic-field generating means is disposed on the part opposite from the first electrode in opposition from the second electrode, and a power-supply unit feeds power to either the first or second electrodes and generates discharge between the electrodes. The magnetic-field generating means is provided with a magnetic block whose both-end surfaces are provided with magnetic poles having polarity inverse from each other, and in addition, a plane recess opposite from the second electrode is provided between both-end surfaces of the magnetic block.

Abstract: A permanent magnet magnetic circuit comprises a main magnet block having a pair of opposite outer surfaces. A pair of main magnetic poles of opposite polarities are disposed on the respective outer surfaces of the main magnet block. The main magnet block is provided with a channel defined between the pair of outer surfaces and the channel has a pair of inner surfaces corresponding to the respective outer surfaces of the main magnet block. The main magnet block is also provided with a pair of oppositely polarized compensating magnetic poles arranged on the respective inner surfaces for controlling any vector of the magnetic field directed from one of the main magnetic pole to the other main magnetic pole. A pair of adjusting magnet blocks are arranged on the respective inner surfaces to adjust the magnetic field directed from one of the main magnetic poles to the other magnetic pole.

Abstract: A magnetron plasma processing apparatus including a vacuum chamber storing an object to be etched, a first electrode provided in the vacuum chamber to hold the object, a second electrode disposed to one side of the first electrode, where the first and second electrodes are in parallel with each other, a gas-supply unit feeding etching gas to the vacuum chamber, a magnetic-field generating means including a magnetic block disposed outside the chamber on the opposite side of the second electrode and rotatable about an axis normal to the object held by the first electrode, and a power-supply unit which feeds power to either of the first and second electrodes and generates discharge between these parallel electrodes. The magnetic block has end surfaces provided with magnetic poles having polarity inverse from each other, and in addition, a plane recess opposite from the second electrode is provided between the magnetic poles.

Abstract: A permanent magnet magnetic circuit is provided capable of producing a unidirectional magnetic field substantially free of unnecessary perpendicular magnetic field components. A pair of main magnetic poles of opposite polarities are situated at a pair of opposite edge surfaces of a permanent magnet block for producing lines of magnetic force. One major surface of the block between the edge surfaces is provided with a channel where a pair of auxiliary magnetic poles are situated at opposed inner surface portions of the channel for controlling a middle portion of the lines of magnetic force to be linear.

Abstract: A heat-treatment furnace comprising a process tube for containing an object of treatment, a heater surrounding the process tube, and an infrared impermeable member located on the process tube side of the heater and at least one the side of an open end of the process tube through which the object of treatment is carried in and out.

Abstract: A method of recovering Zn and Pb from iron and steel dust wherein the interior of a rotary smelting furnace connected to the discharge side of a rotary kiln is heated by a burner disposed on the outlet side of the rotary smelting furnace; a heating gas is introduced into the rotary kiln to subject the iron and steel dust containing Zn and Pb which was fed in the rotary kiln to a preliminary reduction with the aid of a reducing agent and, if required, a flux so as to volatilize Zn and Pb; and the product of the rotary kiln is fed into the rotary smelting furnace with addition of a flux to melt the resultant mixture and further volatilize Zn and Pb entrained in the product.