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The invention provides a light distribution optimization method for two-dimensional reconstruction of a combustion flow field by combining a tunable semiconductor laser absorption spectrum technology and a computed tomography technology. The method comprises the following steps: a light matrix calculation step, a combustion flow field reconstruction step and a light distribution optimization step and particularly comprises the following steps: step 1, discretizing a region to be tested; pre-setting a light space distribution manner and calculating the length of light penetrating through the discretized region to obtain a light distribution matrix; step 2, selecting a suitable absorption spectrum line and calculating a light projection result of an initial gas distribution model; reconstructing temperatures and concentrations of the tested flow field by using an algebra iterative algorithm and calculating a reconstruction error and a standard deviation; and step 3, wholly searching by using a self-adaption simulated annealing method to obtain an optimal light distribution range and partially searching by using a sequential quadratic programming method to obtain optimal light distribution.

A method of providing a three-dimensional (3D) image and a 3D display apparatus applying the same are provided. If a predetermined instruction is input in 2D mode, display mode is changed to 3D mode. A predetermined format is applied to an incoming image, and the resultant image is displayed in 3D mode. If the predetermined instruction is input again in 3D mode, another format is applied to the incoming image and the resultant image is displayed. As a result, a viewer can conveniently select a 3D image format of the incoming image.

A vehicle operating device includes: a voice operation unit 3 for recognizing an uttered voice and outputting a recognition result; a spatial operation unit 2 for recognizing a movement performed within a space and outputting a recognition result; a main processing unit 4 for executing a processing corresponding to the recognition result transmitted from the voice operation unit and the recognition result transmitted from the spatial operation unit; and a display unit 5 for displaying an image generated in accordance with an instruction from the main processing unit, the image being superimposed on an actual scene that can be viewed through a windshield.

A tool suspension device has a base bracket, multiple clamping elements and multiple sliding elements. The base bracket has a baseboard and a rail bracket. The rail bracket is formed on the baseboard and has an inner rail and an outer rail. The clamping elements are mounted slidably on the rail bracket and each has two clamps in pairs. Each clamp is mounted slidably on the outer rail and has two hooks and an arm. The hooks are mounted slidably in the outer rail. The arm is formed with the hooks and has a mounting hole. The sliding elements are mounted slidably in the rail bracket, are connected to the clamping elements and each has two sliding plates and two adjusting bolts. The sliding plates are mounted in the inner rail. The adjusting bolts are mounted in the mounting holes and connected to the sliding plates.

A system and process is provided in which original video or dialog content is securely received from the content owner. Subtitle language data is derived, translated, stored and served on a separate database for synchronous playback with the content in video streaming, downloading or online TV following the activation of an option by the end user through a media player.

The invention discloses a jaw crusher with a single-shaft double-crank-rocker mechanism. The jaw crusher comprises a frame, a fixed jaw plate, a movable jaw plate, a front crank-rocker mechanism, a rear crank-rocker mechanism and a driving wheel, wherein, the front crank-rocker mechanism comprises a front movable jaw, a front toggle plate and an eccentric drive shaft; the rear crank-rocker mechanism comprises a rear movable jaw, a rear toggle plate and an eccentric drive shaft; the front movable jaw and the rear movable jaw are jointly pivoted with the eccentric drive shaft; one end of the front toggle plate is pivoted below the rear side of the front movable jaw, the other end of the front toggle plate is pivoted below the front side of the rear movable jaw, one end of the rear toggle plate is pivoted below the rear side of the rear movable jaw, and the other end of the rear toggle plate is pivoted with the frame; and the movable jaw plate is fixedly connected with the front movable jaw and is opposite to the fixed jaw plate to form a crushing cavity together with the fixed jaw plate. The jaw crusher has the obvious effect that horizontal movement stroke of the lower parts of the movable jaws with the main function of discharging materials is improved to a stroke with a main function of crushing so that one crusher has two-stage crushing efficacy.

An aircraft comprises a wing, a wing tip device at the tip of the wing and an actuator. The actuator is arranged to effect movement of the wing tip device between a flight configuration for use during flight and a ground configuration in which the wing tip device is moved away from the flight configuration such that the span of the aircraft is reduced. The aircraft comprises a carriage guide, such as a rail, fixed relative to the wing, and a carriage arranged to move along the carriage guide as the wing tip device moves between the flight and ground configurations. The wing tip device is fixed relative to the carriage such that the path of the wing tip device, during movement of the wing tip device, between the flight and the ground configurations, is defined by the shape of the carriage guide.

A communications terminal having an image shooting function allows a user to transmit a shot image as an e-mail attachment more easily and conveniently than in a conventional manner. Before being placed into an image shooting mode, the communications terminal first receives an e-mail address specified by the user as a destination of an image to be shot. Then, at a push of a shutter button in the image shooting mode, the communications terminal shoots an image to generate image data, automatically attaches the image data to an e-mail message, and transmits the e-mail message to the e-mail address specified by the user before the image shooting.

A flexible, modular mounting system for an industrial process terminal or similar instrumentation. The instrumentation may be panel mounted or DIN rail mounted using an enclosure having only a minimum number of unique components. An instrument housing is included for containing various electronic components of such a terminal. The housing is adapted to mate with a DIN rail, and can easily be fitted with mounting brackets that allow the housing to be used in a panel mounted arrangement. In the latter case, a user interface module is located on an opposite side of a panel wall and connected to the appropriate electronic components of the instrumentation through an opening provided therein.

This invention discloses a laser realizing tuning of Q-switched pulse width including: an output mirror, a laser rod, a Pockels cell, a polaroid and a totally reflecting mirror set orderly on a same line in co-optical axis, a pump source for pumping said laser rod, a moving desk for the mounting the totally reflecting mirror to move it to-and-fro along the optical axis and alter length of a laser cavity.

The invention discloses a minitype capacitance type gas sensor, which comprises an upper electrode flat plate, a lower electrode flat plate, a plurality of struts and medium films, wherein the struts are arranged between the upper electrode flat plate and the lower electrode flat plate, so that a cavity is formed between the upper electrode flat plate and the lower electrode flat plate; and the medium films are coated on the struts and the inner surfaces of an upper electrode and a lower electrode. The minitype capacitance type gas sensor is characterized in that: (1) the medium films on adjacent struts are not in contact to each other and a reserved cavity structure forms a gas diffusion channel; and (2) an air hole is not formed on the upper electrode flat plate and side walls between the upper electrode flat plate and the lower electrode flat plate are open, so that gas enters from the side walls. The minitype capacitance type gas sensor can detect various gases to be detected with extremely-low density and has the characteristics of quick response, high sensitivity and wide detection object.

The invention belongs to the technical field of aero-engine control, and particularly relates to a method and device for judging rotating stall of an aero-gas turbine engine. The method comprises thesteps that whether the engine is in a stopped state or not is obtained; if the engine is in a non-stopped state, the high-pressure conversion rotating speed of the engine is obtained; if the high-pressure conversion rotating speed is larger than a first set value, the outlet static pressure of a gas compressor is obtained, and the change rate of the outlet static pressure of the gas compressor iscalculated; if the change rate of the outlet static pressure of the gas compressor is larger than a second set value, whether the engine is in a restarted state or not is determined; if the engine isin a non-restarted state, the inlet static pressure of a fan is obtained; and the ratio of the outlet static pressure of the gas compressor to the inlet static pressure of the fan is calculated, and if the ratio is smaller than a third set value, that the engine is in a rotating stall state is determined. According to the method and device, the technical problem that the rotating stall cannot be judged in the working process of the engine is solved, the risk of surge is reduced, and the aerodynamic stability and reliability of the engine are improved.

The invention relates to a design method for a landing gear buffer based on a variable oil hole of an oil return cavity. Based on an existing landing gear buffer, a plurality of penetrating grooves are uniformly formed in the outer surface of an upper support of a piston rod in the circumferential direction. A plurality of bulges corresponding to the grooves are formed in the inner surface of a buffer outer cylinder in the circumferential direction and located at the travel section of the buffer. The oil peak F1 and the air peak F2 of the existing landing gear buffer are obtained through a work quantity curve. The area An of a gap near the travel where the oil peak F1 is located is adjusted till the oil peak F1 is equal to the air peak F2. The minimum value F0 between the oil peak F1 and the air peak F2 on the work quantity curve is calculated, and if F0 is significantly smaller than F1 and F2, the area An of a gap near the travel where F0 is located is decreased. The buffer efficiency is calculated, and if the requirement is met, the sizes of the bulges on the buffer outer cylinder are determined. According to the scheme, the variable oil hole design is realized in small design space, and the design method has the preferable optimization effect on the design of efficient buffers of small aircraft landing gears.

A charger adapted for charging a mobile phone includes a base defining a cavity and a rotatable module having a main body. The rotatable module is pivotally disposed in the cavity. The main body has a basic portion and an engaging portion which substantially perpendicularly extends from one end of the basic portion. An output connector is disposed in the engaging portion and extends out of the engaging portion towards the other end of the basic portion to define a mating direction substantially parallel with the basic portion. When the charger is in an opened state for charging, the basic portion is rotated to a predetermined place and the output connector is therefore located out of the cavity; when the mobile phone is taken away from the charger, the output connector returns into the cavity.

A device attached on bicycles for walking dogs comprising a fixed clip, an auxiliary rod, a main rod and a spring, said fixed clip is fixed on a rod of a bicycle, one end of said spring if for a hook of a string to hook on, said fixed clip and said auxiliary rod employ a plurality of screws to connect together, said auxiliary rod having a hole, a U-shaped elastic piece is disposed inside said main rod, an elastic ball is disposed on one end of said U-shaped elastic piece, said elastic ball is exposed outside of a hole of said main rod, said elastic ball is inserted inside said hole of said auxiliary rod so that said main road and said auxiliary can be connected together, one end of said main rod is in curved shape with a plurality of convex dots on it for said downwardly pointing spring to sleeve on, the bottom end of said spring is a rod body with a hook, accordingly, press the elastic ball to detach said auxiliary rod from said main rod, said spring is pointing downward, it features characteristics of firm structure, easy assembly and detachment, it can also shorten the length extended outward and is suitable for the height of the dog.

The invention belongs to machinery, and particularly relates to a machining work piece automatic loading device. The machining work piece automatic loading device comprises a hopper, a feeding plate and a rotating plate. The machining work piece automatic loading device is characterized in that a gradient is disposed between the hopper and a horizontal plane, the rotating plate is connected with the feeding plate through a hinge, a torsion spring is arranged on the connecting position of the rotating plate and the feeding plate, a bending portion is arranged at the lower end of the feeding plate, the bending portion at the lower end of the feeding plate and the rotating plate form a groove which a work piece fits into, and the position of the rotating plate corresponds to the position of the lower end of the hopper. The machining work piece automatic loading device achieves automatic feeding of the work piece through the hopper, the feeding plate and the rotating plate, is reasonable in structure, simple and convenient, and high in efficiency, specially applies to loading and machining mass-produced revolving parts on machine tools of lathes, grinders and the like, and reduces labor intensity of workers.

The invention provides a multi-rotor hybrid power plant protection unmanned aerial vehicle, which comprises a gasoline engine rotor, an engine, a battery, aircraft frames, a foot support frame, a pesticide box, a spray rod, a spray head and a remote controller, wherein the gasoline engine rotor is a single wing; the number of the aircraft frames is an even number, and the aircraft frames are uniformly and horizontally arranged on the periphery of a fixing plate arranged in the middle of the aircraft frames; the end part of each aircraft frame is provided with a small rotor, and each small rotor is driven by a small motor; two spoilers are arranged on the aircraft frame arranged under the single gasoline engine rotor. The multi-rotor hybrid power plant protection unmanned aerial vehicle has the advantages that the structure is simple, the self weight is light, the manufacturing cost is low, the load capacity is great, the duration time is long, the flight is stable, no pollution is caused, the repair is simple, and the like. The repair and the flight training are very simple, the long-time maintenance-free effect can be realized, and the after-sales service intensity is greatly reduced; the operation and control simplicity and stability of the unmanned aerial vehicle are greatly improved; the maintenance simplicity is realized; the time cost is reduced; the use efficiency of a battery is greatly improved.

The invention relates to mechanical devices related to conveying, particularly to a mechanical conveying mechanism. The mechanical conveying mechanism comprises a frame and a sliding groove; a double-shaft cylinder is fixed on the frame; a high baffle plate always penetrates the sliding groove no matter the double-shaft cylinder is located at the extension state or the retraction state; the high baffle plate is provided with a through hole for workpieces arranged in the sliding groove to pass through when the double-shaft cylinder is located at the extension state; a low baffle plate is used for penetrating and closing the sliding groove when the double-shaft cylinder is located at the extension state; the low baffle plate retreats from the sliding groove when the double-shaft cylinder is located at the retraction state. According to the mechanical conveying mechanism, the structure is simple and the conveying number of the workpieces can be controlled without mechanical and electrical equipment.

An embroidery machine is provided with an attachment for fitting on the bottom of its movable hoop to provide a secure mounting surface for a sheet of "stickum" paper extending across the hoop and providing on its upper "stickum" surface a mounting and securing place for a fabric placed across the top of the hoop.

The invention discloses a drying layering wardrobe for children. The wardrobe comprises a wardrobe body, the wardrobe body is internally provided with a mounting cavity, a plurality of arc grooves areformed in the bottom side wall of the mounting cavity at equal intervals, a blowing device is clamped with the upper end of the mounting cavity, a first mounting groove is formed in the upper side wall of the mounting cavity, and a fixed rod is fixedly connected with the first mounting groove; a movable plate is slidingly connected to the fixed rod, a mounting groove is formed in the right side of the movable plate, a sliding rod is fixedly connected to the mounting groove, two lifting plates are slidingly connected to the sliding rod, the end, away from the sliding rod, of each lifting plateis fixedly connected with a sliding plate, and a movable plate is slidingly connected to each sliding plate. According to the drying layering wardrobe for children, through the consistency and fixation of the movable plates, the divided space of the mounting cavity can be adjusted, and the space utilization rate is increased; meanwhile, by utilizing the divided space, clothes can be classified and stacked and are easier to take.

The invention provides a cleaning and drying method for improving the cleanness of a wafer. The method comprises the following steps of: supplying a cleaning table, and horizontally putting the wafer on the cleaning table; arranging a cleaning sprayer above the circle center of the wafer, wherein the liquid outlet direction of the cleaning sprayer is inclined with a vertical direction of the wafer; starting the wafer to rotate horizontally, and starting the cleaning sprayer to move horizontally; starting a cleaning process, wherein the cleaning sprayer sprays out cleaning solution to the surface of the wafer, and the cleaning sprayer horizontally moves to a position deflected away from the circle center of the wafer and stops moving; and finishing cleaning, wherein the cleaning sprayer stops supplying the cleaning solution, and the wafer continues to rotate horizontally to be dried. The invention also provides cleaning and drying equipment. According to the method and the equipment, the cleanness of the wafer can be improved greatly; the problem about residues of liquid impurities and granular impurities is solved; the equipment is easy and convenient to improve; the cost is low; and the performance, the yield and the reliability of a wafer product are improved, and the process cost is reduced.