32results about How to "Extensive selection" patented technology

The present invention discloses rare earth-doped semiconductor infrared radiation thick-film electronic paste and a preparation method therefor. The electronic paste comprises, in percentage by weight, 10%-90% of an organic vehicle and 10%-90% of a functional phase. The organic vehicle comprises, in percentage by weight, 50%-95% of an organic solvent,1%-40% of a thickening agent, and 0%-5% of an organic additive. The functional phase comprises, in percentage by weight, 40%-95% of a rare earth-doped infrared radiation semiconductor material, 5%-60% of a conductive material, and 0%-20% of a functional additive. According to the electronic paste, the selecting range of a base material is wide, the heating temperature range is wide, the heating efficiency is high, the temperature of a heating body itself is low, and the bidirectional thermoelectric conversion can be achieved. The preparation method comprises: a, mixing the thickening agent, the organic additive and the organic solvent to prepare the organic vehicle; b, mixing and grinding the organic vehicle and the functional phase to prepare the electronic paste; c, printing the electronic paste on a substrate by means of screen printing, and performing curing or sintering to form a film.

It is an object to provide a semiconductor device having a buried multilayer wiring structure in which generation of a resolution defect of a resist pattern is suppressed and generation of a defective wiring caused by the resolution defect is reduced. After a via hole (7) reaching an etching stopper film (4) is formed, annealing is carried out at 300 to 400° C. with the via hole (7) opened. As an annealing method, it is possible to use both a method using a hot plate and a method using a heat treating furnace. In order to suppress an influence on a lower wiring (20) which has been manufactured, heating is carried out for a short time of approximately 5 to 10 minutes by using the hot plate. Consequently, a by-product staying in an interface of an upper protective film (6) and an interlayer dielectric film (5) having a low dielectric constant and a by-product staying in an interface of the etching stopper film (4) and the interlayer dielectric film (5) having a low dielectric constant are discharged so that an amount of the residual by-product can be decreased.

An electrical hand-held power tool includes a drive motor, a ventilation device (10) for generating an air flow (L) along a main flow path (26) for cooling the drive motor (8), and an electronic device (22) for controlling operation of the drive motor (8) all of which are located in the housing (4), and a plurality of air conducting elements (30) that project from an inner wall (32) of the housing for limiting an auxiliary flow path (36) through which at least a portion of the air flow (L) is forwarded to the electronic device (22), with the air conducting elements (30) forming an auxiliary path inlet (40) of the auxiliary flow path (36) and which projects between a main path inlet (24) of the housing (4) and the ventilation device (10) into the main flow path (26), so that the auxiliary path inlet (40) is walled off from the ventilation device (10).

A method for distributing computer configurations to at least one client from a server, comprising the following steps: Network-booting a first operating system for the clients from a server, automatically loading a virtual machine having an elective second operating system on the basis of the booted (first) operating system while taking into consideration one or more of the following parameters: user login, network address. Consequently, providing a full fat client (standard PC) functionality under an elective operating system on a (diskless) client hardware by using exclusively volatile storage media (on the new thin client system).

An electrical hand-held power tool includes a drive motor, a ventilation device (10) for generating an air flow (L) along a main flow path (26) for cooling the drive motor (8), and an electronic device (22) for controlling operation of the drive motor (8) all of which are located in the housing (4), and a plurality of air conducting elements (30) that project from an inner wall (32) of the housing for limiting an auxiliary flow path (36) through which at least a portion of the air flow (L) is forwarded to the electronic device (22), with the air conducting elements (30) forming an auxiliary path inlet (40) of the auxiliary flow path (36) and which projects between a main path inlet (24) of the housing (4) and the ventilation device (10) into the main flow path (26), so that the auxiliary path inlet (40) is walled off from the ventilation device (10).

The invention provides methods for isolating large oncosomes and determining cancer metastasis based on the presence of large oncosomes in a subject in need thereof.

The invention relates to a three-eccentric and bidirectional metal sealing butterfly valve. A flow passage is arranged in a valve body, a valve seat is sealed and fixedly arranged on the inner wall of the flow passage, a valve rod is vertically arranged and penetrates through the flow passage, the upper end of the valve rod and the valve body are sealed and connected by a first rotary type sealing and connecting structure, the lower end of the valve rod and the valve body are sealed and connected by a second rotary type sealing and connecting structure, a valve plate is arranged in the flow passage and is fixedly arranged on the valve rod, a mounting step is arranged at the periphery of the valve plate, a sealing ring is arranged on the mounting step and is pressed and fixed by a sealing ring press ring, the sealing ring press ring is fixedly connected with the valve plate by a first screw, and the sealing ring is in fit with the valve seat, so as to control the opening or closing of the valve. The three-eccentric and bidirectional metal sealing butterfly valve is characterized in that virtual gaps are respectively arranged between the inside surface of the sealing ring and the mounting step surface as well as between the outside surface of the sealing ring and the pressing surface of the sealing ring press ring, and sealing ring sealing gaskets are arranged in the virtual gaps. The three-eccentric and bidirectional metal sealing butterfly valve has the advantages that the structure design is novel, the requirement of stricter working condition is well met, the whole cost is reduced, and the service life of the valve is prolonged.

The invention discloses a bone voiceprint sensor module and electronic equipment. The bone voiceprint sensor module comprises: an electric control board, wherein the electric control board is providedwith a first surface and a second surface, and the electric control board is provided with a vibration transmission hole; a vibration pick-up unit which is mounted on the first surface, wherein the vibration pick-up unit is used for picking up an external bone vibration signal to generate a response vibration signal; and a sensor unit which is installed on the second surface, wherein the vibration transmission hole is communicated with the vibration pick-up unit and the sensor unit, so that the response vibration signal is transmitted to the sensor unit through the vibration transmission hole. Therefore, the vibration pick-up unit and the sensor unit are respectively distributed at two sides of the electric control board, so that the overall height of the bone voiceprint sensor module canbe conveniently reduced.

The invention discloses a filtering film processed through a laser. The filtering film processed through the laser can be used for filtering contamination particles with the dimensions being from hundreds of nanometers to hundreds of micrometers. The filtering film processed through the laser is wide in application range, and effects are better when the hole diameter of the filtering film processed through the laser is smaller than the diameter of the contamination particles. The invention further discloses a laser processing system used for processing the filtering film. The laser processing system comprises a laser device, a beam expanding device, a diffraction optical element, a galvanometer unit, a lens, a carrying mechanism and a corresponding control unit, wherein the laser device, the beam expanding device, the diffraction optical element, the galvanometer unit, the lens, the carrying mechanism and the corresponding control unit are sequentially arranged. Through selection of laser processing parameters, by the adoption of a galvanometer and the carrying mechanism for assistance, an micro-hole array with the hole diameter being from hundreds of nanometers to hundreds of micrometers can be manufactured on the filtering film made of a selected material. The laser processing system can be used for processing the filtering film (net) and is high in work efficiency, low in production cost and free of tool consumption, and the processed filtering film is large in micro-hole density and has a good filtering effect.

The invention provides a thermal treatment process for a plunger of an axial plunger pump, which is characterized by comprising the following steps of: (1) putting a semi-finished plunger into a vacuum furnace, and heating to 920-940 DEG C via 15-25 min; (2) preserving heat for 25-35 min; (3) cooling to 845-855 DEG C, discharging the plunger, and charging acetylene and nitrogen to the vacuum furnace while preserving heat and cooling to realize carbonitriding on the surface of the plunger; (4) quenching the plunger after discharging, subsequently tempering plunger at the temperature of 130-150 DEG C, and finally air-cooling the plunger to room temperature. In the invention, a hardened layer with high hardness and high wear resistance is formed on the surface of the plunger through carbonitriding on the surface of the plunger. Therefore, the invention has the advantages of wide plunger material selection, high thermal treatment speed, short time consumption and low thermal treatment cost.

The invention discloses a damping and noise reduction structure of a cab and a mining dump truck and belongs to the field of machine manufacturing. The cab comprises a frame, a window, a truck door 7 and a cover 1, the cover 1, the window and the truck door 7 are arranged on the frame, and the cover 1 is made of sheet metal 1.2-2.0mm in thickness. The damping and noise reduction structure is characterized by further comprising a damping layer 2, the damping layer 2 is made by uniformly arranging damping materials on the cover 1 on the inner surface of the cab and the truck door 7 and is 2.0-4.0mm in thickness. Vibration and noise of the cab are comprehensively reduced by comprehensive means, technological means translation is good, the damping and noise reduction structure can be quickly popularized in the like products and is remarkable in effect.

The present invention comprises a dragline joint, a rotating pin and a shifting tumbler. The rotating pin is riveted on the shifting tumbler and the dragline joint and the rotating pin are fastened. The end of the rotating pin is a hemisphere and the middle is a cylindrical neck. The dragline joint consists of a rubber lining, a metal ring and a rod welding assembly. In the inner ring of the rubber lining there are projecting fasteners. The dragline joint through the round hole in the middle of the rubber lining is crimped with the hemisphere on top of the rotating pin to make the fasteners in the inner ring of the rubber lining are fastened on the cylindrical neck of the rotating pin and the hemisphere on top of the rotating pin is used for locking the dragline joint.

A detection circuit for leakage fault is characterized in that the detection circuit comprises a signal acquisition module, a signal receiving module, a master module and an alarm module. The signal acquisition module comprises two input ends that are connected to a ground wire and a neutral wire respectively. The first output end of the signal acquisition module is connected with the first inputend of the signal receiving module, the second output end of the signal acquisition module is connected with the second input end of the signal receiving module, the output end of the signal receivingmodule is connected with the signal receiving end of the master module and the signal transmitting end of the master module is connected with the alarm module.

A liquid crystalline compound shown by the following formula (I).wherein R1 to R13 represent a hydrogen atom, a fluorine atom, a methyl group, a trifluoromethoxy group, or a cyano group, X represents —O—, —O—CO—, or the like, n is 0 or 1, and R14 represents -A-CO—CH═CH2, wherein A is a linking group. The liquid crystalline compound has a higher liquid crystal phase upper limit temperature, is chemically stable, can be inexpensively produced, and exhibits a large selective reflection wavelength zone Δλ (a large Δn). A liquid crystalline composition comprising the liquid crystalline compounds, an optical film having a liquid crystal layer formed using the liquid crystalline composition, and an optical laminate comprising a substrate, an alignment film formed on the substrate, a liquid crystal layer formed using the liquid crystalline composition on the alignment film are also disclosed.

The invention relates to a novel stirling engine comprising a center rotating shaft for outputting power and a starting mechanism arranged at the output end of the center rotating shaft, wherein a rotating wheel gas transferring mechanism is arranged at one end of the center rotating shaft and comprises a cylindrical casing, heat-insulating side pads at the front end and the rear end of the sealing casing, a work doing gas medium sealed in the casing cavity, a semi-cylindrical gas transfer wheel and a labyrinth sealing device for sealing various cavities of the casing; the casing consists of an upper semi-cylindrical heat cavity casing, a lower semi-cylindrical heat cavity casing and a semi-cylindrical cold cavity casing; central heat-insulating sealing pads are respectively connected between the upper heat cavity casing and the cold cavity casing and between the lower heat cavity casing and the cold cavity casing; the heat cavity casings are used for heating the work doing gas medium; the cold cavity casing is used for cooling the work doing gas medium; an air operated mechanism is arranged on the rotating wheel gas transferring mechanism of the center rotating shaft, which is close to the starting mechanism; and a heat energy regenerator set, an air guide pipe set and a one-way gas distribution valve bank which are communicated with the casing and the air operated mechanism are sequentially arranged between the rotating wheel gas transferring mechanism and the air operated mechanism.

The invention discloses an adjustable circular tube energy absorption / energy storage mechanism based on paper-cut structures, and belongs to the technical field of advanced intelligent structures. According to the structure, local cutting is carried out on traditional circular tubes, the notch direction is in the axial direction of the circular tubes, and the plurality of circular tubes are arrayed in a specific mode according to actual application requirements. When the circular tubes are subjected to axial impact force, cutting sections of the circular tubes deform in the specific direction, structural energy absorption and energy storage are achieved through local buckling deformation, after external force is removed, deformation recovers, and the stored energy is released. According to the structure, the paper-cut structures are introduced into local areas of the circular tubes, the structure has the characteristics of high specific energy absorption rate and low peak load by adjusting the characteristic parameters of notches, and the structure can recover to original deformation after the axial impact load disappears, so that the structure can be reused. The adjustable paper-cut circular tubes have the advantages of being easy to process, low in manufacturing cost, easy to replace and the like, and are expected to be applied to collision energy absorption and energy storage parts of large devices such as traffic equipment and aerospace.

The invention discloses a movable cable parallel-connection spraying device for ship segmented coating. The movable cable parallel-connection spraying device comprises a supporting truss, an aerial Y-direction moving mechanism, an aerial X-direction moving mechanism, a Z-direction adjusting mechanism and a ground rail Y-direction moving hydraulic lifting platform, the aerial Y-direction moving mechanism is erected on the supporting truss to realize Y-direction movement, the aerial X-direction moving mechanism is mounted on the aerial Y-direction moving mechanism to realize X-direction movement, the Z-direction adjusting mechanism is mounted below the aerial X-direction moving mechanism, and a spraying mechanical arm is mounted at the tail end of the Z-direction adjusting mechanism. The ground rail Y-direction moving hydraulic lifting platform is arranged at one side of the Z-direction adjusting mechanism and flexibly connected with the Z-direction adjusting mechanism through a parallel cable set, the spraying mechanical arm is stabilized through linkage, fine adjustment of the angle is achieved, and interference between the parallel cable set and a sprayed ship body is effectively avoided by lifting a ground rail winch to a certain height. According to the device, large-stroke and multi-angle linkage control can be achieved, and the spraying requirements of large segmented ship components can be met.

A straddle type monorail transit track beam spherical steel support comprises an upper anchorage unit, tensile and compressive rotating mechanisms, a base, a bottom plate, a support horizontal adjusting mechanism and a lower anchorage unit; multiple tensile and compressive rotating mechanisms are arranged between the upper anchorage unit and the base; the lower anchorage unit is connected with thebottom plate at the upper part and the support horizontal adjusting mechanism; and the base capable of performing horizontal adjustment by using the support horizontal adjusting mechanism is arrangedon the upper surface of the bottom plate. According to the straddle type monorail transit track beam spherical steel support, the structure is simple, the operation is convenient, the loading and unloading are convenient, the size of a support is effectively reduced, the weight of the support is reduced, the cost can be preferably reduced, the application range is enlarged, better transverse anti-bending capacity is realized, the running safety is effctively guaranteed, the additional force to a bridge is smaller, and the straddle type monorail transit track beam spherical steel support is beneficial for guaranteeing the service life of the bridge.

The present invention discloses a vehicle gear shifting inhaul cable connector and a gear shifting rotary arm assembling structure, comprising an inhaul cable connector, a rotating pin and a gear shifting tumbler. The rotating pin is riveted on the shifting tumbler and the inhaul cable connector and the rotating pin are fastened. The end of the rotating pin is a hemisphere and the middle is a cylindrical neck; the diameter of the neck is smaller than that of the hemisphere at the end. The inhaul cable connector consists of a rubber lining, a metal ring and a rod welding assembly. Projecting fasteners are installed at the inner ring of the rubber lining. The rubber lining has a cone clip-shaped configuration and is pressed and clipped between the metal ring and the rod welding assembly. It is simple and convenient of assembling by means of the structure, and the overall cost is low, vibration is decreased but driving comfort is increased.

The invention relates to a three-eccentric and bidirectional metal sealing butterfly valve. A flow passage is arranged in a valve body, a valve seat is sealed and fixedly arranged on the inner wall of the flow passage, a valve rod is vertically arranged and penetrates through the flow passage, the upper end of the valve rod and the valve body are sealed and connected by a first rotary type sealing and connecting structure, the lower end of the valve rod and the valve body are sealed and connected by a second rotary type sealing and connecting structure, a valve plate is arranged in the flow passage and is fixedly arranged on the valve rod, a mounting step is arranged at the periphery of the valve plate, a sealing ring is arranged on the mounting step and is pressed and fixed by a sealing ring press ring, the sealing ring press ring is fixedly connected with the valve plate by a first screw, and the sealing ring is in fit with the valve seat, so as to control the opening or closing of the valve. The three-eccentric and bidirectional metal sealing butterfly valve is characterized in that virtual gaps are respectively arranged between the inside surface of the sealing ring and the mounting step surface as well as between the outside surface of the sealing ring and the pressing surface of the sealing ring press ring, and sealing ring sealing gaskets are arranged in the virtual gaps. The three-eccentric and bidirectional metal sealing butterfly valve has the advantages that the structure design is novel, the requirement of stricter working condition is well met, the whole cost is reduced, and the service life of the valve is prolonged.

The invention discloses a mobile cable-parallel spraying equipment for segmental painting of ships, which includes a supporting frame, a Y-direction moving mechanism in the air, an X-direction moving mechanism in the air, a Z-direction adjusting mechanism, and a ground rail Y-direction mobile hydraulic lifting platform ;Aerial Y-direction moving mechanism is mounted on the support rack to realize Y-direction movement; airborne X-direction movement mechanism is installed on the air Y-direction movement mechanism to realize X-direction movement; Z-direction adjustment mechanism is installed under the air X-direction movement mechanism , the spraying robot arm is installed at its end; the ground rail Y-direction mobile hydraulic lifting platform is set on the side of the Z-direction adjustment mechanism, and is flexibly connected with the Z-direction adjustment mechanism through parallel cable groups, which stabilize the spraying robot arm through linkage and realize the adjustment of the angle. Fine-tuning, by lifting the ground rail hoist to a certain height, effectively avoids the interference between the parallel cable group and the sprayed hull. The invention can realize large-stroke and multi-angle linkage control, and can meet the spraying requirements of large segmented ship components.

The invention provides a high-temperature-resistant electric control equipment for high-temperature areas such as the top of a coke oven, including a high-temperature-resistant sealed cable tray, a high-temperature-resistant sealed electrical panel cabinet, regional environment detection, a cooling air supply system, and emergency technology; The high-temperature-resistant sealed electrical panel and the high-temperature-resistant sealed cable bridge are combined with snap-in fasteners, and the regional environmental detection, cooling and air supply system and emergency technical system are all electrically connected. The high-temperature-resistant electric control equipment realizes the ventilation and cooling of the cable trays and electrical panel cabinets configured on the coke oven site, which is conducive to a wider selection of electric control equipment on the coking site, more reliable operation of electrical equipment, and a substantial extension of the electric control equipment. service life.

The invention relates to a novel stirling engine comprising a center rotating shaft for outputting power and a starting mechanism arranged at the output end of the center rotating shaft, wherein a rotating wheel gas transferring mechanism is arranged at one end of the center rotating shaft and comprises a cylindrical casing, heat-insulating side pads at the front end and the rear end of the sealing casing, a work doing gas medium sealed in the casing cavity, a semi-cylindrical gas transfer wheel and a labyrinth sealing device for sealing various cavities of the casing; the casing consists of an upper semi-cylindrical heat cavity casing, a lower semi-cylindrical heat cavity casing and a semi-cylindrical cold cavity casing; central heat-insulating sealing pads are respectively connected between the upper heat cavity casing and the cold cavity casing and between the lower heat cavity casing and the cold cavity casing; the heat cavity casings are used for heating the work doing gas medium; the cold cavity casing is used for cooling the work doing gas medium; an air operated mechanism is arranged on the rotating wheel gas transferring mechanism of the center rotating shaft, which is close to the starting mechanism; and a heat energy regenerator set, an air guide pipe set and a one-way gas distribution valve bank which are communicated with the casing and the air operated mechanism are sequentially arranged between the rotating wheel gas transferring mechanism and the air operated mechanism.

The invention relates to the technical field of daily chemical products, in particular to an itching-relieving composition for repairing skin with mosquito bites and a water-based system including the composition. Menthol in the composition and the water-based system can provide a cool feeling to quickly relieve or dilute the itching feeling; although the content of menthol in the water-based system is less than 2%, through appropriate compounding with other components and the coordinating function between all the components, a favorable itch relieving and swelling reducing effect of the product can still be kept. Although the water-based system is free from ethyl alcohol, the problem of crystallization of precipitated menthol at low temperature (0-10 DEG C) is solved. Therefore, as for the water-based system, a wider range of packing materials can be selected, for example, a transparent packing material can be selected, the phenomenon that consumers worries about product appearance changes is avoided.

The invention provides high-temperature-resistant electric control equipment for high-temperature regions such as coke oven top and the like. The equipment comprises a high-temperature-resistant sealed cable bridge, a high-temperature-resistant sealed electric disk cabinet, a regional environment detection system, a refrigeration air supply system and an emergency technology system; the high-temperature-resistant sealed electrical panel cabinet and the high-temperature-resistant sealed cable bridge are combined in a snap fastener mode, and the regional environment detection system, the refrigeration air supply system and the emergency technology system are all electrically connected. The high-temperature resistant electric control device realizes ventilation and cooling of the cable bridge, the electric disk cabinet and the like which are arranged on site of the coke oven, wider type selection of the electric control device and more reliable operation of electric equipment on the spotof coking are facilitated, and the service life of the electric control device is greatly prolonged.

The present invention comprises a dragline joint, a rotating pin and a shifting tumbler. The rotating pin is riveted on the shifting tumbler and the dragline joint and the rotating pin are fastened. The end of the rotating pin is a hemisphere and the middle is a cylindrical neck. The dragline joint consists of a rubber lining, a metal ring and a rod welding assembly. In the inner ring of the rubber lining there are projecting fasteners. The dragline joint through the round hole in the middle of the rubber lining is crimped with the hemisphere on top of the rotating pin to make the fasteners in the inner ring of the rubber lining are fastened on the cylindrical neck of the rotating pin and the hemisphere on top of the rotating pin is used for locking the dragline joint.

The invention relates to a liquid storage capsule and an application thereof. The liquid storage capsule comprises an extrudable flexible cup formed by thermoplastic molding, and water or other desired liquid is injected into the cup, and an elastic sphere is plugged at a cup mouth position thereof as a seal so that the liquid in the cup does not overflow; as the elastic sphere can seal the rim ofthe cup well, the liquid in the sphere doe not spill out; when the capsule on the filter bar is squeezed into place, the liquid stored in the capsule can be spilled by extruding the elastic sphere. The invention does not need to consider the accurate control of the thickness of the partition wall in different areas of the cavity, reduces the requirements on the production equipment and the accurate control, and can greatly reduce the production cost. The directional release of liquid can be realized; and it has good coating performance for both oily and aqueous liquids, and has good universality.