Abstract: A method for decontaminating the copper surfaces (e.g. circuits) of an electronic card from copper salts which can be formed after the soldering of the electronic components onto the substrate employing a water free solution which comprises an alcohol and at least one neutral ammonium salt of an organic acid.

Abstract: Improvements in or relating to field howitzers A light weight field howitzer includes a barrel which is supported by a cradle constructed from hollow members and which is pivotally mounted about a trunnion bearing secured to a chassis. The trunnion bearing lies on the barrel axis and is positioned beyond the limit of maximum recoil of the barrel. Front stabilisers and rear trail support legs are provided to spread the load of the howitzer and spades are rigidly secured to the chassis. The howitzer includes a single hydraulic accumulator arrangement constituting a combined recoil buffer and recuperator system. A barrel elevating means is provided comprising a geared manual means assisted by a precompressed gas system.

Abstract: A method for upgrading a boiler is provided. When operating at a first capacity, the boiler is used such that an open space is kept in radiation communication with a firebox. The open space is also kept as empty. A first set of water circulation tubes are connected to the boiler cylinder in connection with the ascending tubes. When the boiler is operated at a second capacity, which is higher than the first capacity, at least one additional part is arranged in the open space to expand the basic super heater arrangement. Additionally, or alternatively at the second capacity, a second set of water circulation tubes may be connected to the boiler cylinder in connection with the ascending tubes. The second set of water circulation tube has a capacity exceeding that of the first set of water circulation tubes.

Abstract: A powered multi-fuel burner for heating a heating cabinet of a cooking station. A frame provides first and second lateral skids which are spaced apart to be received on first and second lateral brackets in the heating cabinet. The frame includes first and second feet on a side of the frame which extends out of the cabinet when it is inserted. A plenum supported on the front end of the frame has an insulated interior, and an exterior apertured surface facing each of the cooking stations in the heating cabinet. A burner assembly has a flame tube which is inserted through a convective air current into the plenum. The burner produces a flame which is spread by the plenum, but which produces no flame through the apertured surfaces. The multi-fuel burner may be used inside or outside of the heating cabinet for diverse cooking applications.

Abstract: The invention relates to a method for optical fiber use, in which light that is generated by means of a light generating apparatus is being led by exploiting an optical fiber, wherein the light generating apparatus has at least light generating means (1), such as a lamp (1a) and an objective assembly (1b) and/or like to direct light towards the end of the optical fiber (2), for leading of the same further by the optical fiber (2). Particularly for cooling of the input end for light (2a) of the optical fiber the same is being cooled convectively, by directing an air flow (w), that has been cooled by means of a cooling device (3) operating preferably by Peltier-phenomenon to the same. The invention relates also to a light generating apparatus exploiting the method.

Abstract: An information handling system is provided which comprises: a metal enclosure; at least one circuit assembly positioned within said metal enclosure, said circuit assembly including a circuitized substrate having at least one dielectric interior layer including a first surface and at least one hole therein; means for providing electrical power to said circuitized substrate within said metal enclosure; a filler material, wherein said filler material substantially fills said at least one hole within said at least one dielectric interior layer; a first wiring layer positioned on said first surface of said at least one dielectric interior layer, wherein said first wiring layer substantially covers said at least one hole having said filler material therein, said first wiring layer assisting in retaining said filler material within said at least one hole in said at least one dielectric interior layer; a first dielectric photoresist layer positioned on said first wiring layer and on said first surface of said at lea

Abstract: In a method for transmission and reception over N transmission channels, the transmitting side performs orthonormal transform processing of N-channel modulated signals so that the resulting transformed output signals have lower cross-correlation, and the transformed N-channel signals are multiplexed and transmitted over the N-channels. At the receiving side, the N-channel received signals are subjected to inverse orthonormal transform processing to obtain N-channel modulated signals, which are demodulated to obtain a digital signal.

Abstract: An electric cleaner head including a first bank of a plurality of spaced apart nozzles each including an interior passage having a narrower width than length slit. Sources of air flow including at least one suction source are connected to spaces between the subnozzles to generate air flow around a lowest edge of the subnozzles between the subnozzles and spaces between the subnozzles wherein the interior passages of the subnozzles are isolated from the suction source.

Abstract: A system for controlling the temperature an electronic component. The system includes a block for temporarily engaging a surface of the component. The block includes channels for circulating a temperature controlling fluid to control a temperature the block and the attached component.

Abstract: An angular rate sensor which measures submicroradian angular displacements. An MHD sensor is provided having a cylindrical column of conductive fluid, centered about a measurement axis. The magnetic field for the device is generated from permanent magnets and a shunt structure which produces radial magnetic field components through the cylindrical conductive fluid channel. The first electrode contacts an upper end of the cylindrical conductive fluid channel, and a second electrode contacts a lower end of the cylindrical conductive fluid channel. Current produced as a result of an electrostatic potential generated in response to the rotation of the device, flows through a center electrode connecting the first and second electrodes. A transformer winding surrounding the center electrode produces an amplified rate signal from the current flowing between the first and second electrodes.

Abstract: The present invention has for its object to provide a method for producing an L-allysine acetal which involves a fewer steps and is efficient. This invention relates to method for producing an L-allysine acetal which comprises; converting a D,L-allysine acetal of the following general formula (1) (wherein R1 and R2 are the same or different, and each of them represents an alkyl group having 1 to 8 carbon atoms, or they combinedly form a ring and represent an alkylene group having 2 to 8 carbon atoms) to a mixture of a 2-oxo-6,6-dialkoxyhexanoic acid of the following general formula (2) (wherein R1 and R2 are as defined above) and an L-allysine acetal of the following general formula (3) (wherein R1 and R2 are as defined above) by reacting in the presence of an enzyme capable of stereoselective oxidative deamination of D-amino acids and; isolating said L-allysine acetal after said converting.

Abstract: A receiver of modulated carrier-wave signals equipped with a pseudo-random code time marker, particularly for radio navigation, comprises coincidence modules each of which comprises chronometric memory media which receives a wanted signal, provides storage as data of the time offset of the code offset estimates and the frequency and phase carrier-wave status, and on that basis provides, with a local clock, a local carrier-wave image and that least one local code repeat for the relevant signal and code and carrier-wave slaving control functions providing correlation of the wanted signal and the local code repeat on the basis of a frequency and phase offset signal between the carrier-wave of the wanted signal and the carrier-wave image.

Abstract: A fuel assembly (1) for a boiling water nuclear reactor comprising a plurality of vertical fuel rods (3) which are arranged in spaced relationship between a bottom tie plate (6) and a top tie plate (5). The bottom tie plate (6) is provided with through-holes (6a) for the passage of a coolant (F). Further, the fuel assembly (1) comprises a bottom support (10) which is formed substantially from a downstream and an upstream flat surface (12, 13) and four side surfaces (14). The flat surfaces (12, 13) and the side surfaces (14) form a parallelepiped which surrounds a cavity. A filtering member is arranged in the upstream flat surface (13) and comprises a plurality of through-holes (11).

Abstract: The steam generator comprises a cylindrical outer jacket (2) arranged with its axis vertical, a bundle wrapper (4) arranged coaxially with respect to the outer jacket and a space (9) in which feed water can flow between the bundle wrapper (4) and the outer jacket (2) or a guide skirt (8, 8a). A water supply device (10) placed towards the top of the space (9) in which the feedwater flows comprises a torus-shaped manifold (12), the upper wall of which is traversed by a number of flow openings (18) distributed in the circumferential direction of the manifold (12). A feed pipe (13) opens into the manifold and the feedwater is guided by a guide device towards the annular flow space (9). Radial dividing walls (19a, 19b, 19c, 19d) are arranged transversely in a water flow space delimited between the manifold (12) and the guide device (14).

Abstract: Semiconductor substrates are contacted with a deionized water solution containing an acidic material.

Abstract: An arrangement for an implant system. A fixture includes an internal thread, a contact plane, a spanner attachment part, and a recess arranged in the spanner attachment part. A spacer screw includes an external thread and a cylindrical portion arranged above the external thread. The external thread of the spacer screw can be screwed securely to the internal thread of the fixture. The cylindrical portion engages the recess of the fixture when the spacer screw is tightened in the fixture. A spacer element contacts the contact plane of the fixture. A unit can be screwed securely to the spacer screw.

Abstract: A multiband mobile unit communication apparatus is disclosed which comprises: an antenna for receiving L FRQ bands of M radio wave SIGs modulated by N modulating methods, M>L, M>N, N≧L; a frequency synthesizer for generating a LO SIG; an IF SIG generation CKT for generating M IF SIGs using the LO SIG, the FRQ synthesizer generating the LO SIG such that the M IF SIGs have the same intermediate FRQ; a SW CKT for selectively outputting N IF SIGs modulated by the N modulating methods respectively out of the M IF SIGs; N filters for filtering outputs of N IF SIGs from the SW CKT and outputting N filtered IF SIGs respectively; a SW responsive to a SW CONT signal for selectively outputting one of the N filtered IF SIGs; and a quadrature demodulator for quadrature-demodulating one of N filtered IF SIGs and outputting baseband SIG. Different frequency bands of received signals are converted into IF SIGs having the same intermediate frequency.

Abstract: A device for fixing a fuel injector (12) in an internal combustion engine cylinder head (1) whereon is set a camshaft bracket (4) top surface delimiting with this surface a chamber (8) containing valve-actuating mechanical members. The injector (12) passes through the camshaft bracket (4) and the cylinder head (1) supported on the base (18) of a recess (14) in the cylinder head by a fork (20) fixed by a screw (26) to the cylinder head (1). The fork (20) is arranged in the chamber (8) under a camshaft (6) extending perpendicular to said shaft (6) and comprises two branches (20a, 20b) which are supported on either side of the injector body (12), in useful fixing position, on two wings (21, 22) symmetrically arranged on the injector (12) body periphery.

Abstract: A modular night vision device for universal use with various types of camera devices. The night vision device has an image intensifier module for intensifying light images which can be removably coupled to a lens mount aperture of a camera device, and a separate power supply control module which can be removably coupled to a remotely located surface of the camera device and electrically coupled to an externally-located power jack of the camera device. The power supply control module is provided for receiving any DC voltage produced by the camera device which falls within a predetermined range of DC voltages and converting the voltage into a plurality of operating voltages which are useable to power the image intensifier module. The night vision device also has a cable for transmitting the operating voltages from the power supply control module to the image intensifier module.

Abstract: The invention concerns a double-walled tube (1) for storing and dispensing hazardous products, comprising an inner tube (10) with a skirt (13), a shoulder (12) and an inner neck (11) delimiting an inner orifice (14), a metal tube with a skirt (25), a shoulder (24) and an outer neck (21), the two tubes being mutually connected at their necks (11 and 21) by a joining piece (30) comprising a bottom (34) and at least an outer skirt (35) enclosing the two necks (11 and 21). The invention is characterised in that the joining piece (30) is provided with an inner skirt (31) with its outer wall having a globally truncated profile, such that, when the joining piece (30) is forcefully pushed down, said inner skirt (31) causes the median parts of the necks (11 and 21) to expand at their circumference, thus widening the ends of said necks.