140results about How to "Does not affect observation" patented technology

The invention discloses a metallographic corrosion method for a martensitic precipitation hardening stainless steel crystal boundary, wherein the stainless steel is 05Cr17Ni4Cu4Nb martensitic precipitation hardening stainless steel. The method comprises the following steps: 1, coarsely grinding, finely grinding, polishing, cleaning and drying a metallographic sample to obtain a shine scratch-freepolished surface; and 2, picking up a corrosive agent, wiping the polished surface for 15-20s, flushing, and drying, wherein the corrosive agent is prepared by pouring 2-3ml of concentrated hydrochloric acid into 30ml of concentrated nitric acid, uniformly stirring and allowing the obtained solution to stand for above 5min. According to the invention, the 05Cr17Ni4Cu4Nb martensitic precipitation hardening stainless steel crystal boundary can be intelligibly and completely displayed, and the color and the morphology of the tissue have no influences on the observation of the contour of the crystal boundary. The method has the following advantages: the crystal boundary display effect is excellent; normal temperature corrosion and no need of heating are realized; and the corrosion time is short, and only 15-20 seconds are needed.

The present invention discloses a Reynolds experiment instrument. It is characterized by that in the constant pressure zone of its constant pressure water tank a permeation cover is set, said permeation cover can be used for covering upper portion of water inlet of experiment tube, the space covered by said permeation cover is formed into a water-stabilizing zone, and the water body in the water-stabilizing zone of said experiment instrument can not be interfered by water of water inlet tube.

The invention discloses a rotary road reflector having a self-cleaning function. The rotary road reflector comprises a vertical rod, a hemispherical cover is fixedly mounted at the upper end of the vertical rod, the upper end of the front of the hemispherical cover is provided with an annular shading plate, the upper surface of the hemispherical cover is provided with a water storage tank and a supporting frame, and a water collecting basin is mounted at the upper end of the supporting frame and communicated with the water storage tank through a water discharging pipe. The rotary road reflector having the self-cleaning function has the advantages that a driver's observing an objective image in the reflector is not affected when a convex mirror body is cleaned, and the practicality is good.

The invention discloses a fast testing process of malachite green, which settles after mixed the measured sample and withdraw medicinal preparation, take the supernatant into the chromatography column, observes most lower level absorbent color change in the chromatography column, if forms the green clitellum, might judges that malachite green contains in the sample; the withdraw medicinal preparation is the mixture of acetonitrile and ethyl acetate solution and the acidic aluminum oxide, of which the volume ratio of the acetonitrile and ethyl acetate is 1: 15-30, the quality of the states measured sample and the mixture solution of acetonitrile and ethyl acetate volume ratio is 1:3; the quality ratio of the measured sample and the acidic aluminum oxide is 2:1. The invention used acetonitrile-ethyl acetate solution to withdraw the malachite green more completely and remarkably reduce the toxicity which is used in the reagent, also had stronger service ability to a fat product with higher content.

The invention discloses a novel multi-angle and multi-mode quick switching circular optical illumination microscopic imaging system which comprises a laser, a single mode fiber, a collimating lens, a scanning galvanometer, a scanning lens, a first field lens, a focus lens, a dichroic mirror, a total internal reflection fluorescence (TIRF) microscope objective, a sample platform, a filter, a second field lens and a detector, wherein the single mode fiber, the collimating lens and the scanning galvanometer are sequentially located on an optical axis of an outgoing beam of the laser; the scanning lens, the first field lens, the focus lens and the dichroic mirror are sequentially located on an optical axis of an outgoing beam of the scanning galvanometer; the TIRF microscope objective and the sample platform are sequentially located on an optical axis of a reflected beam of the dichroic mirror; the filter, the second field lens and the detector are sequentially arranged on an optical axis of a transmission beam of the dichroic mirror; the sample platform is arranged on a focus plane of the TIRF microscope objective; a collecting hole of the detector is formed in a focus plane of the second field lens. On the basis of TIRF, the microscopic imaging system disclosed by the invention realizes microscopic experimental observation which is convenient and rapid, high in resolution and low in noise.

The invention provides a culture medium for the germination and seedling culture of crop seeds, which is used for research and experiments on the germination and seedling culture of the crop seeds. The culture medium is formed by compounding water retention materials, skeleton materials and adhesive. Raw materials are molded into a flaky rectangular body or a circular body by use of a mold, and planting blind hole arrays are formed on a planting surface of the culture medium. The culture medium has strong capability of absorbing and retaining water, which can leave out the trouble of watering repeatedly during experiments. In addition, the culture medium has the advantages of convenient operation, convenience for observation, simple structure, low cost, degradable property and no pollution.

The invention relates to a foldable portable first-aid external fixation bracket for bone fracture, which comprises an external liner, wherein an air bag is arranged on the external liner; the air bag can be inflated, and a plurality of bulges are formed on the surface of the air bag after the air bag is inflated; multiple sets of foldable connecting rods arrayed in parallel are arranged between the air bag and the external liner; each set of connecting rods comprises a plurality of sleeves; a sleeve core capable of sliding into the sleeves is arranged between each two sleeves; a guide rope which is fixed with the sleeve cores of each set of connecting rods and is used for sliding the sleeve cores is penetrated through the interiors of the sleeve cores and the sleeves of each set of connecting rods; pulling handles are arranged at the two ends of the external liner; lacings are arranged on the two sides of the external liner. The foldable portable first-aid external fixation bracket for bone fracture is foldable and portable, can be contained in a knapsack or haversack, is convenient to carry and is especially fit for field first-aid fixation for outdoor limb fracture.

The invention relates to a large-field light freeform surface waveguide-type visual optical imaging device and a near-eye display system comprising the same. The near-eye display system is formed by bilaterally symmetrically arranging two left and right same visual optical imaging devices, wherein each visual optical imaging device comprises a freeform surface waveguide element and a projection optical component; each projection optical component is used for projecting an image optical signal emitted from an image source element into the corresponding freeform surface waveguide element; and ahollow cavity is formed in the middle part of each freeform surface waveguide element, so that the weight of the waveguide elements is greatly reduced, light travels towards a pupil exit direction inthe freeform surface waveguide elements through the total reflection condition, exits through an emission surface after not meeting the total internal reflection condition and then enters eyes of a user, and meanwhile, the light in a transmission direction can be normally transmitted to directly enter human eyes, thereby achieving ultrathin light near-eye display.

The invention provides an experimental apparatus for researching microstructure and magnetic field relation of magnetic fluid. The experimental apparatus consists of a video optical microscope 1, a double-loop liquid-cooling constant-temperature even magnetic field generating device 2, a bottom light source bracket 3, a computer 4, a programmable power supply 5, a light source 6, a water cooling liquid circulating radiating device 7, a transformer oil circulating radiating device 8 and a gauss meter 9, wherein the double-loop liquid-cooling constant-temperature even magnetic field generating device can provide large magnetic field stably for a long time without affecting ambient environment thereof; the observation is realized by moving the video optical microscope 1 right above the bottom light source bracket 3 and then adjust the focal length; the magnetic field parallel to or vertical to a magnetic fluid sample can be generated by simultaneously using the bottom light source bracket 3 and the double-loop liquid-cooling constant-temperature even magnetic field generating device 2, so as to research the microstructure of the magnetic fluid in multiple magnetic field directions.

The invention provides a foldable and shrinkable anti-dust device for a large-aperture horizontal telescope, belongs to the technical field of dust prevention of primary mirrors of large telescopes and solves the technical problem that the anti-dust effect is affected by possible falling of dust and particulates on an adjacent cover plate into the telescope during shrinking of a cover plate of the large-aperture telescope. A stepper motor of the device drives drive shafts to rotate, power is transmitted to screw rods on two sides through two bevel gears, the screw rods are enabled to rotate, screw rod sliders move linearly along the screw rods, seal plates, elastic bellows folds and elastic bellows skeletons are driven to move linearly simultaneously, and shrinking and opening of the anti-dust device are realized. On the basis of shrinkable dust prevention, the foldable and shrinkable anti-dust device is made of lighter materials, a foldable cover plate is made of polyester fiber folds and PVC skeletons, the folds and the skeletons are integrally connected in a hot melt manner, wind load is avoided, balance of the telescope is not damaged, and the foldable and shrinkable anti-dust device has the characteristics of simple structure, good sealing performance, light weight and long service life.

The invention belongs to the field of terminal display, and particularly relates to a method for the mapping between PPI display pixels and echo information. The method of the invention simplifies a mapping relationship between echo data and screen pixels, obtains a mapping relationship between display pixel points and the azimuth and a relationship between the display pixel points and the distance respectively according to a PPI display mode and a display range, and ensures that each display pixel point has a corresponding distance unit. The method of the invention is clear and logical, has asmall calculation amount and an obvious effect, simplifies the redundant calculation steps, and is beneficial to implementation in engineering.

The invention relates to an air impermeability detecting table for a sluice valve. The air impermeability detecting table for the sluice valve comprises a clamping table. A sealing table is arranged in the middle of the upper end surface of the clamping table, an air supply hole is formed in the center of the sealing table, and clamping jaws are evenly arranged around the sealing table. A left supporting pillar and a right supporting pillar are correspondingly arranged at the left side and the right side of the upper end surface of the clamping table respectively, a movable compression frame is arranged above the clamping table, a groove is formed in the right portion of the upper end surface of the movable compression frame, a transverse kidney-shaped hole is formed in the middle of the bottom surface of the groove, a round hole is formed in the right portion of the bottom surface of the groove, a notch is formed in the left side of the movable compression frame, a strip-shaped opening is formed in the bottom of the notch, a connector is arranged inside the round hole in a communicating mode, an adapting connection rod is arranged at the upper end of the connector, the adapting connection rod can rotate on the connector, a left threaded rod is fixedly connected to the adapting connection rod, a compression hydraulic cylinder is fixed inside the kidney-shaped hole, and a visible pressing frame is fixed to the lower end of the compression hydraulic cylinder. According to the air impermeability detecting table for the sluice valve, a compression ring is adopted to compress the circumference of a valve body, the condition of uneven clamping generated when the clamping jaws are adopted for clamping is avoided, and the compression hydraulic cylinder can be adjusted on a two-dimensional plane.

The invention provides a scalable remote observatory system. The scalable remote observatory system comprises a remote observation terminal, a power supply module, a dome module, an environment monitor module, a telescope module group, a management server, and a storage server, wherein the remote observation terminal is connected with the management server through a network device, the power supply module provides power and related control for the network device, the dome module, the environment monitor module, the storage server, the management server and the telescope module, and is connected with the network device, the dome module is in communicated connection with the management server and the power supply module through the network device, the environment monitor module is in communicated connection with the management server, the storage server and the power supply module through the network device, the telescope module group comprises at least one telescope module, each telescope module is in communicated connection with the storage server, the management server and the power supply module through the network device, the management server analyzes data to obtain comprehensive information of a station and feeds back the comprehensive information to a terminal user, and the storage server classifies and stores data and provides a download interface for a remote user.

The invention discloses a video monitoring storage system applying cloud storage. The system comprises a camera system, a cloud storage system and a user operating system, wherein the cloud storage system comprises an equipment access module, an equipment management module, a video receiving module, a video storage module, a video conversion module, a video editing module and a video management module, the video editing module reads a video, deletes a segment in which the same static picture is continuously maintained for a long time in the video and reserves a starting frame and a terminationframe of the static picture segment, and the video conversion module performs format conversion and resolution conversion on the video to reduce the occupied memory of the video and then stores the video. According to the video monitoring storage system applying cloud storage, repeated videos of the same picture are clipped and deleted, the occupied space of the videos is reduced, the utilizationrate of the cloud storage space is improved, and the cost is reduced.

The invention relates to a cloud deck operation and control system and a cloud deck operation and control method based on implicit controls. The method comprises that the various controls which control motions of a cloud deck are hidden under a full-screen monitoring picture of a monitor window, the monitoring picture is clicked, a monitoring system automatically returns coordinates of the clicked point, according to the coordinates of the point, a corresponding control recognizes an operation and control manner represented by the clicking motion, and then the cloud deck is controlled to carry out a corresponding motion. According to the cloud deck operation and control system and the cloud deck operation and control method based on the implicit controls, the various controls which control the motions of the cloud deck are respectively hidden under the full-screen monitoring picture of the monitor window, the implicit controls are completely embedded inside the picture and free of having specific appearance, users are not affected in observation of the picture, all cloud deck operations and control of the users do not need to leave a picture area, a picture occupancy rate of the window is improved to 100%, the picture is amplified to the largest degree, and convenience is brought to observation of the picture and observation of details of the picture.

The invention discloses a polishing device for a metal material with excellent dust removal effect, which comprises a device main body, an installing beam and a condenser; both ends of the outer surface of the device main body are fixedly equipped with insulation boxes, one side of the front end outer surface of the device main body closing to the insulation box is provided with a control box; both ends of the outer surface of the device main body adjacent to the insulation box are fixedly equipped with installing shafts, the installing beam is fixedly installed at the upper end of the outer surface of the device main body closing to the edge middle part; both ends of the outer surface of the installing beam are provided with anti-explosive glass covers. Through a dust removal fan at the bottom part of the device main body, the dust removal effect is more excellent; through an electromagnetic coil, the fan damage of the dust removal fan for absorbing metal chips can be avoided; througha pressing belt, the displacement of the metal material is avoided during the conveying process; through the anti-explosive glass cover, the splashing of chippings generated by polishing can be avoided.

A percutaneous vertebral body restoring apparatus is composed of two puncture needles with screwed front end for vertebral pedicle, an extending rod for increasing the length of said puncture needle in order to increase force arm, a connecting rod for locating said two puncture needles, and two combined campers for connecting said puncture needle to said connecting rod. Its advantages are low resistance for turning said needle, and less damage to soft tissue.

The invention relates to the field of public security identification, and mainly relates to a transfer type perspective safe-guarding and anti-counterfeiting film for protecting certificate security. The film consists of at least six layers of different chemical materials, wherein the first layer is a basic layer 1 of which the thickness is 15-25 microns; the second layer is a separation layer 2 of which the thickness is 1-2 microns; the third layer is a protection layer 3 of which the thickness is 2-4 microns; the fourth layer is an information layer 4 of which the thickness is 2-3 microns; the fifth layer is a medium film layer 5 of which the thickness is 0.04-0.1 micron; the sixth layer is a bonding layer 6 of which the thickness is 2-5 microns. The perspective safe-guarding and anti-counterfeiting film is attached to the surface of a certificate to generate a visible diffraction optical anti-counterfeiting image. The transfer type perspective safe-guarding and anti-counterfeiting film has the advantages that a six-layer structure needs to be adopted, and a design layer is added to completely meet the requirement of certificate protection; the film has high resistance to scratching, wiping, sweat stain, oil stain, weak acids and alkalis as well as solvent erosion, has high flexibility in comparison to an ordinary laser holographic film, and contributes to effective prolonging of the service life of the certificate; a high polymer chemical material process is adopted.

The invention discloses a surface grinding machine with the dustproof function, and belongs to the technical field of surface grinding machines. The surface grinding machine comprises a lathe bed, a worktable is arranged on the top of the lathe bed, a stand column is arranged at the rear end of the lathe bed, a lifting sliding block is arranged on the left end of the stand column, a front and backsliding block is arranged at the left end of the lifting sliding block, a grinding wheel frame is arranged at the left end of the front and back sliding block, a corrugated pipe is arranged on the outer wall of the grinding wheel frame, a dustproof cover is connected to the bottom of the corrugated pipe, the outer wall of the grinding wheel frame is provided with electric telescopic rods througha rotating shaft base, the bottoms of the electric telescopic rods are connected with the outer wall of the dustproof cover through a rotating shaft base, and a brush is arranged on the bottom of thedustproof cover. The transparent dustproof cover is adopted in the device, dust prevention is carried out while the observing machining process is not affected, four sets of electric telescopic rods are matched with the corrugated pipe to lift the dustproof cover at different angles, and the phenomenon that during special-shaped workpiece grinding, the dustproof cover collides, and losses are caused is avoided.

The invention provides a method for using a vehicle projection film. The method comprises: a vehicle projection film is attached to window glass; and after a projection device projects an image to thevehicle projection film, the vehicle projection film reflects the image to the surface of the window glass to realize imaging on the window glass. The vehicle projection film uses a transparent-material-based projection film as a bottom film and a planar and a three-dimensional pattern or a planar or a three-dimensional pattern are or is arranged on the bottom film. According to the method provided by the invention, micro printing or micro modelling processing is carried out on the surface of the film, so that most of light projected by an in-vehicle or external projection device stays on thesurface of the film and the image projected by the projection device is displayed on the film; and because the film is pasted on the window, the image projected by the projection device is displayedon the window, so that the window becomes a projection curtain.

The invention relates to a pair of liquid crystal spectacles, especially to an anti-dazzle liquid crystal lens for preventing interference with visual sense of a driver when two vehicles cross each other and a pair of spectacles prepared from the anti-dazzle liquid crystal lens. The pair of anti-dazzle spectacles contains a spectacle frame (3), a right lens (2) and a left lens (1). The right lens (2) and the left lens (1) respectively have a high-perspective zone and at least a low-perspective zone. Two ends of the low-perspective zone are provided with electrodes. The pair of anti-dazzle spectacles also contains an illuminance sensor and a control circuit. The illuminance sensor contains at least an opposite vehicle lamplight detector which receives illuminance of opposite vehicle lamplight in the illumination direction, and output is used as signal voltage. The control circuit contains an illuminance comparator and a square wave generator. The square save generator converts DC voltage outputted by the illuminance comparator to AC voltage or square wave. An output end of the square wave generator is connected with the electrodes at two ends of the low-perspective zone. The device provided by the invention can be anti-dazzle and can increase visual comfort level of a driver.

The invention relates to an intelligent blackboard. The blackboard comprises a main body, a projection module, an infrared laser emitter, a depth camera and a function key region. The projection module, the infrared laser emitter, and the depth camera are arranged on the same side of the main body. The projection module is arranged on the upper end of the same side. The infrared laser emitter andthe depth camera are parallelly arranged under the projection module. The function key region is arranged on the other side of the main body. The projection module comprises a variable-focus projection emission end which is capable of rotating for a certain angle relative to the main body. According to the invention, by use of the rotatable projection module, the image of the intelligent blackboard can be obliquely projected on a desktop in an ultra-short focus manner, so a teacher is capable of carrying out motion sensing interaction operation in a detection range of the infrared laser emitter and the depth camera; multiple students can sit around the teacher to observe and demonstrate operation taught by the teacher.

The invention discloses a mobile cutting machine for laser lamp positioning, which comprises a motor, an emergency switch, a support frame, a speed regulating switch and a grinding wheel sheet protective cover. The surface of the motor is equipped with a heat dissipation window, and an emergency Switch, the gearbox is installed on the left side of the emergency switch, the base is installed under the support frame, the fuselage is installed under the speed control switch, and the grinding wheel protective cover is installed on the right side of the speed control switch, the grinding wheel A grinding wheel is installed under the protective cover, and a laser light is installed on the surface of the protective cover of the grinding wheel. The invention uses the speed control switch to process materials of different materials, which greatly reduces the wear of the cutting piece and improves its service life, and uses the laser light for positioning without pre-testing the alignment direction before cutting, directly through the laser The lamp illuminates the point to position the cutting, which reduces the labor intensity, and the base is equipped with pulleys to make use of the movement and placement of the machine, reducing the handling time.

The invention relates to a game interaction method, wearable equipment and a computer readable storage medium. The method comprises the steps of responding to a package opening operation on the wearable equipment, and obtaining the package information of a corresponding role of a user in a current game from a game terminal connected with the wearable equipment, wherein the package information comprises related information of articles and / or equipment in the package; displaying the acquired package information on the wearable device; in response to a preset operation on any article or equipment displayed on the wearable device, carrying out corresponding processing on the article or equipment in the package, and sending a message for carrying out corresponding processing on the article or equipment to the game terminal so as to enable the game terminal to update the package. According to the application, the package related interfaces originally popped up in the game interface of the game terminal are transferred to the wearable device, so that the package related interfaces do not block the current game interface, the game experience of a player can be improved, and the player can obtain the winning possibility.

The invention discloses a navigation buoy lamp holder. The navigation buoy lamp holder comprises a floating block base, a supporting frame, a sliding frame, an angle adjusting mechanism and a floating lamp mechanism, wherein the supporting frame is fixedly connected to an upper end face of the floating block base; the sliding frame is fixedly connected to the middle position of the upper side of the supporting frame; the angle adjusting mechanism is connected to the interior of the sliding frame in a sliding mode; and the floating lamp mechanism is further arranged. According to the navigation buoy lamp holder, a bulb on the navigation buoy lamp holder can be kept perpendicular to the horizontal plane all the time, so when the navigation buoy lamp holder shakes, observation of navigation personnel on a navigation buoy is not affected, and the gravity center position of the navigation buoy lamp holder can be conveniently controlled according to the flow speed of seawater; therefore, the sailing buoy lamp holder is prevented from being overturned and damaged due to the influence of sea waves, the bulb on the sailing buoy lamp holder can be conveniently and rapidly maintained and replaced, and the situation that the bulb cannot be lightened due to the fact that the storage battery is insufficient in electricity in continuous cloudy and rainy weather can be conveniently prevented.

The invention discloses a passive cooling system presentation device of a nuclear power station. The passive cooling system presentation device comprises an installing base, a control unit, a heating unit, a cooling water tank and a presentation unit, wherein the heating unit, the cooling water tank and the presentation unit are mutually communicated through a circulating pipeline, the cooling water tank is located above the presentation unit and the heating unit, and a top opening of the cooling water tank is communicated with the atmosphere. The heating unit comprises a heating tank and more than one electric heating tube, the electric heating tubes are installed at the top of the inner cavity of the heating tank, and a water inlet magnetic valve and a water outlet magnetic valve are respectively installed on the pipeline close to a water inlet and a water outlet of the heating tank. The presentation unit comprises an impeller, a spindle, two supports, two limiting blocks and a transparent presentation window, wherein two ends of the spindle are respectively fixed in the presentation window through the two supports, the impeller is installed on the spindle and is in clearance fit with the spindle, and the two limiting blocks are tightly fixed to the spindle and located on the upper side and the lower side of the impeller. A passive cooling system is high in working efficiency and low in energy consumption, has a presentation effect and can be used for research and knowledge popularization.

The invention provides an anti-warping device of compact tension samples. The anti-warping device can be used for preventing warping deformation of samples in detecting of thin plate material K-R curve without changing stress distribution situations of the samples or influencing crack observation in tests. The anti-warping device comprises rectangular anti-warping plates 3, stepped gaskets 5, connecting bolts 6, horizontal backing plates 7, a vertical backing plate 8, and a device button rope 9; wherein the rectangular anti-warping plates 3 are two steel plates with identical shapes, the two horizontal backing plates 7 and the vertical backing plate 8 are steel plates with a thickness of 0.2 to 0.3mm thicker than that of the samples.

The invention discloses a machine manufacturing drilling machine with a fixed base; bolt holes are fixedly formed in the four corners of the upper end face of the fixed base. The upper end face of thefixed base is fixedly connected with a supporting column. A workpiece fixing device is fixedly connected to the middle of the side end face of the supporting column. The workpiece fixing device comprises a movable fixing plate, a threaded hole, a limiting column, a connecting column, a threaded clamping groove, a threaded column, a fixed clamping groove, piston clamping grooves, a fixed main bodyand a movable groove; the movable groove is formed in the upper end surface of the fixed main body; the movable fixing plate is slidably connected to the interior of the movable groove through the connecting column; the threaded hole is formed in the upper end face of the movable fixing plate, the limiting column is slidably connected to the upper end face of the movable fixing plate, the fixed clamping groove is formed in the side, away from the movable groove, of the upper end face of the fixed main body, and the piston clamping grooves are formed in the two sides of the interior of the fixed clamping groove. The drilling machine can provide good fixing performance for the workpiece, and meanwhile the safety performance of the device is greatly improved.

The invention discloses an electric control board conveying device for a new energy vehicle. The electric control board conveying device comprises a bottom plate, the top of the bottom plate is fixedly connected with two symmetrical support legs, the top ends of the two support legs are fixedly connected through a conveying U-shaped plate, a mounting bearing seat is fixedly connected to the innersurfaces of the front surface and the back surface of the conveying U-shaped plate, and the inner surfaces of the sides, getting close to each other, of the two mounting bearing seats are fixedly connected through a driven roller. According to the electric control board conveying device, a stepping motor is arranged to enable a threaded rod to rotate, a guiding sliding rod and a guiding bearing seat are arranged to limit a threaded block, the threaded rod rotates to move the threaded block in the up and down direction, the threaded block moves up and down to control angle changes caused when aforce applying rod extrudes a discharging plate to rotate, a worker can conveniently manage and control the discharging effect by reasonably controlling the inclined angle of the discharging plate, and the effect of facilitating the worker in managing and controlling the transportation efficiency is achieved.