Abstract: An engagement part of a tool such as a hydraulic wrench (10), the engagement part (1) such as a ratchet link being arranged to engage a workpiece and a power head (11), the engagement part (1) being arranged to convert movement generated by the power head (11) into movement of the workpiece, the engagement part (1) comprising a mounting for the power head (4, 14), the mounting (4, 14) comprising a moveable portion moveable (4) from a first position where the power head (11) is fixed relative to the engagement part (1) and a second position where the power head (11) can move relative to the engagement part (1), the moveable portion (4) comprising a pin having a length and slidable along its length in a bore (17) in the engagement part (1) and a friction lock (2, 3) comprising a compressible member (3) and a compressing member (2) arranged to compress the compressible member (3), the compressible member (3) being arranged such that it expands in at least one extent on compression by the compressing member (2) s

Abstract: The manufacture of a photovoltaic module includes providing a first layer having a skew shape, manufacturing a second layer having a skew shape, and then placing a stack further including photovoltaic cells and at least one encapsulating material in an assembly mold varying between a closure configuration delimiting a predetermined air gap and an opening configuration. In an assembly step, where the closure configuration of the assembly mold is adopted, the temperature within the stack is maintained at an operating temperature comprised between 70° C. and 180° C., and preferably between 80° C. and 150° C., during an assembly period adapted as a function of the at least one encapsulating material so that the at least one encapsulating material undergoes melting at least partially and to create an encapsulating assembly capable of adhering to the plurality of photovoltaic cells and to the first layer and/or to the second layer.

Abstract: An emulsion composition, a polystyrene nano-fiber, a polystyrene nano-fiber product and a preparation method and use thereof, wherein the emulsion composition comprises a dispersed phase and a continuous phase, the dispersed phase contains a soluble salt and a first solvent, the continuous phase contains polystyrene, a second solvent and sulfonated polystyrene being syndiotactic polystyrene and/or isotatic polystyrene; the preparation of the emulsion composition: under heating and stirring, dropwise adding the dispersed phase into the continuous phase; the preparation of the polystyrene nano-fiber or polystyrene nano-fiber product: crystallize the above emulsion composition; the polystyrene nano-fiber prepared by the above emulsion composition has a pore structure, and the prepared product has a stable and controllable three-dimensional structure and multi-level and/or intercommunicated pore structure, and also has a high preparation efficiency, therefore the above polystyrene nano-fiber or product has excell

Abstract: The present invention relates to silicon compound coated metal magnesium particles in which at least a part of a surface of the metal magnesium particles is coated with the silicon compound, wherein an average particle diameter of the silicon compound coated metal magnesium particles is 5 nm or more and 500 nm or less, and a thickness of the silicon compound coating is 1 nm or more and 50 nm or less. The silicon compound coated metal magnesium particles of the present invention are easy to handle in the atmosphere, and have excellent oxidation resistance, and further the properties expected of the nano-size metal magnesium particles are improved at a maximum, or the properties are controlled by supplementing the properties.

Abstract: A nuclear reactor (1) includes a vessel (3) has a central axis (X); and a core (5) arranged in the vessel (3). The core (5) includes a plurality of nuclear fuel assemblies, a primary water layer (7) separating the core (5) from the vessel (3) radially from the central axis (X) and surrounding the core (5); and a system (9) for controlling and protecting the nuclear reactor. The control and protection system (9) includes a device (11) for continuously measuring the neutron flux emitted by the core (5). The measuring device (11) includes at least one neutron detector (12) arranged in the primary water layer (7) separating the core (5) from the vessel (3).

Abstract: An engagement part of a tool such as a hydraulic wrench (10), the engagement part (1) such as a ratchet link being arranged to engage a workpiece and a power head (11), the engagement part (1) being arranged to convert movement generated by the power head (11) into movement of the workpiece, the engagement part (1) comprising a mounting for the power head (4, 14), the mounting (4, 14) comprising a moveable portion moveable (4) from a first position where the power head (11) is fixed relative to the engagement part (1) and a second position where the power head (11) can move relative to the engagement part (1), the moveable portion (4) comprising a pin having a length and slidable along its length in a bore (17) in the engagement part (1) and a friction lock (2, 3) comprising a compressible member (3) and a compressing member (2) arranged to compress the compressible member (3), the compressible member (3) being arranged such that it expands in at least one extent on compression by the compressing member (2) s

Abstract: An electric tool adapted to perform tightening operations where torque is delivered in pulses to tighten a screw joint. The electric tool including an electric motor drivingly connected to an output shaft. A processor and a memory storing software instructions that, when executed by the processor cause the electrical tool, retrieve a first power level parameter p1 indicating a first power level to be used for torque pulses up to a torque threshold. And retrieve a second power level parameter p2 indicating a second power level to be used for torque pulses above the torque threshold. Then control the speed of the electric motor, so that the electric tool provide torque pulses on the output shaft with the first power level p1 until the torque threshold is reached. And control the speed of the electric motor, so that the electric tool provide torque pulses on the output shaft with the second power level p2.

Abstract: A screw forwarding device for a screw feeder includes a base plate, a vibration mechanism including at least one spring and a vibration motor connected to the at least one spring, and a rail for receiving screws. The rail is connected to a first end of the at least one spring and the at least one spring is arranged at an oblique angle to the rail. The screw forwarding device further includes a fastening mechanism for rigidly connecting a second end of the at least one spring to the base plate, whereby a movement path of the vibration mechanism, during a use of the screw forwarding device, defines a plane of movement. The base plate is oriented substantially parallel to the plane of movement defined by the vibration mechanism.

Abstract: A 3D printed and combined building wall element having a 3D printed external wallboard; a 3D printed internal wallboard; and a cement concrete layer sandwiched there between. A structural reinforcement component includes a plurality of vertical and horizontal steel reinforcements, the latter being continuously bent in a meander shape with a convex edge and a concave edge of each horizontal steel reinforcement being located in the 3D printed external wallboard and the 3D printed internal wallboard, respectively. The plurality of vertical steel reinforcements are located in the 3D printed external wallboard and the 3D printed internal wallboard and are fixed at inner folding angles of the plurality of horizontal steel reinforcements.

Abstract: A reflective optical system (100) comprising at least one reflective aspheric surface (1) of focal length f0 and optical axis (Z), the surface being configured so that an incident laser beam (2) propagating along an axis (Z?) is focused along the optical axis (Z) with a FWHM ((Full Width at Half Maximum) of the intensity of the reflected beam along the optical axis (Z) being larger, preferably by a factor of at least 10, than the FWHM of the intensity of a focused beam reflected by a parabola having same focal length f0 and same optical axis (Z), receiving same beam.

Abstract: A heat exchanger with which a fluid to be treated or a generated gas can be prevented from stagnating in a heat transfer part, which can be disassembled for good washability, and which can be coated or lined. The heat exchanger is provided with tow flow passages, i.e. a first flow passage and a second flow passage, within a space formed between an inner tube and an outer tube which are concentric to each other. A spiral heat transfer body is disposed between the inner tube and the outer tube, and the spiral heat transfer body has a cross-sectional shape that is substantially triangular in the axial-direction cross section. The space is partitioned into the first flow passage and the second flow passage by the spiral heat transfer body, and heat is exchanged via the spiral heat transfer body between a first fluid flowing within the first flow passage and a fluid flowing within the second flow passage.

Abstract: A flow reactor can promote a reaction under appropriate temperature management, can precent reaction fluid or generated gas from being trapped in a heat transmission part, can be disassembled for easy cleaning, and to which a coating or lining can be applied. This flow reactor is provided with two flow paths, a reaction flow path and a second flow path, in a space formed between an inner cylinder and an outer cylinder that are concentric. A spiral heat transmission body is disposed between the inner cylinder and the outer cylinder, and the spiral heat transmission body has a substantially triangular cross-sectional shape in an axial cross-sectional view. The spiral heat transmission body partitions the space into the reaction flow path and the second flow path, and heat is exchanged via the spiral heat transmission body between a reaction fluid F1 flowing through the reaction flow path and a heat medium F2 flowing through the second flow path.

Abstract: A method of producing silver fine particles includes continuously reducing silver ions contained in a silver compound to precipitate silver fine particles by introducing at least two fluids from separate flow paths and mixing the fluids, wherein one fluid of the at least two fluids contains the silver compound, and another fluid contains a reducing agent, and at least one fluid of the at least two fluids contains an amino acid. With this method, silver fine particles can be produced with sufficient continuous productivity and quality uniformity, without problems of deterioration of working environment and generation of explosive fulminating silver due to the use of a large amount of ammonia.

Abstract: A forced separation device includes a transmission shaft, a main shaft, an electromagnetic transmission mechanism, a blasting separation mechanism and a pressure-resistant cabin. A pressing cover is fastened to the upper portion of the pressure-resistant cabin. The electromagnetic transmission mechanism is provided with a driving chuck and a driven chuck. The driving chuck is connected with the transmission shaft, the driven chuck is connected with the main shaft, the pressing cover is welded with the transmission shaft, and the driven chuck is welded with the lower portion of the pressure-resistant cabin. The blasting separation mechanism is provided with explosive packages and detonators. A plurality of explosive packages are distributed between the pressing cover and the top surface of the pressure-resistant cabin, and each explosive package is connected with the corresponding detonator respectively. The pressure-resistant cabin is further internally provided with a storage battery.

Abstract: In an agitator in which cavitation arising during treatment of a fluid being treated is suppressed, a stator part S is provided with a plurality of penetration parts in the circumferential direction of the stator part S, and a stator main part positioned between adjacent penetration parts.

Abstract: An agitator is capable of more efficiently applying a shear force to a treatment target fluid through the action of an intermittent jet flow.