80results about How to "Avoid inadequate exposure" patented technology

The invention provides a colored photosensitive resin composition for forming a colored image on a transparent substrate, the colored photosensitive resin composition comprising: an alkali-soluble binder, one of a monomer and an oligomer having at least two ethylenic unsaturated double bonds, one of a photopolymerization initiator and a photopolymerization initiating system, and a pigment, said alkali-soluble binder comprising a copolymer including a structural unit having a carboxyl group, a structural unit represented by the following general formula (1), and a structural unit comprising a (meth)acrylate having at least one of an aromatic ring and an alicyclic ring:wherein R1 represents one of a hydrogen atom and a methyl group; and each of R2 to R6 independently represents one of a hydrogen atom, a substituted and unsubstituted alkyl group, a substituted and unsubstituted aryl group, a halogen atom and a cyano group.

The invention relates to a charged particle multi-beamlet system for exposing a target using a plurality of beamlets. The system has a charged particle source, an aperture array, a beamlet manipulator, a beamlet blanker, and an array of projection lens systems. The charged particle source is configured to generate a charged particle beam. The aperture array is configured to define separate beamlets from the generated beam. The beamlet manipulator is configured to converge groups of the beamlets towards a common point of convergence for each group. The beamlet blanker is configured to controllably blank beamlets in the groups of beamlets. Finally, the array of projection lens systems is configured to project unblanked beamlets of the groups of beamlets on to the surface of the target. The beamlet manipulator is further adapted to converge each of the groups of beamlets towards a point corresponding to one of the projection lens systems.

A charged particle multi-beamlet system for exposing a target (11) using a plurality of beamlets. The system comprises a charged particle source (1) for generating a charged particle beam (20), a beamlet aperture array (4D) for defining groups of beamlets (23) from the generated beam, a beamlet blanker array (6) comprising an array of blankers for controllably blanking the beamlets (23), a beam stop array (8) for blanking beamlets (23) deflected by the blankers, the beam stop array (8) comprising an array of apertures, each beam stop aperture corresponding to one or more of the blankers, and an array of projection lens systems (10) for projecting beamlets on to the surface of the target. The system images the source (1) onto a plane at the beam stop array (8), at the effective lens plane of the projection lens systems (10), or between the beam stop array (8) and the effective lens plane of the projection lens systems (10), and the system images the beamlet aperture array (4D) onto the target (11).

The invention discloses a method for degrading organic dye through a metal organic framework film based on metalloporphyrin. The method is characterized in that the porphyrin metal organic framework film is generated on the surface of a transparent glass sheet and placed on a net-shaped support to be hung in an organic dye solution, and irradiation is performed for 1-4 h with the visible light intensity of 300 W at indoor temperature so that the organic dye solution can be degraded to the concentration at which the organic dye solution can be discharged. The preparation process of the metal organic framework film based on metalloporphyrin is characterized in that the transparent glass sheet pretreated with 3-APTMS is reacted with (4-carboxyphenyl)manganese(iron / cobalt)porphyrin, a solution containing Zn2+ and 2,2'-dimethyl-4,4'-bipyridine in a steeping mode, a product is washed with solvent after one time of steeping circulation is completed, the steeping step is repeated, and the thickness of the film is controlled by the number of steeping circulation times, so that the oriented, ordered and porous porphyrin metal organic framework film is prepared. According to the method, the metal organic framework film is used for performing light degradation on a single or mixed solution formed by methylene blue, methyl orange and rhodamine, is good in catalytic effect and convenient to recycle, and is a replaceable good novel material used for degrading organic dye.

The invention, which belongs to the technical field of the video image processing technology, particularly relates to an automatic exposure processing method and apparatus with back-light compensation. The method comprises: brightness data of an image frame are calculated and histogram information is obtained; according to the histogram information and the image brightness information, whether the image ins in a back-light state is determined; if so, back-light compensation processing is executed; and if the image is in a normal light state, automatic exposure processing is carried out. According to the technical scheme, the image frame is collected by the camera in real time and thus whether the image is in the backlight situation is determined; and a backlight phenomenon of an image collected subsequently is improved by adjusting the exposure value of the camera. The exposure value is increased restrictedly, so that the brightness of the relatively dark area is enhanced and the definition is improved. Therefore, a problem that identification is affected because of insufficient face brightness under the circumstance that the backlight problem is solved by automatic exposure in the prior art can be solved.

A projection lens arrangement for a charged particle multi-beamlet system, the projection lens arrangement including one or more plates and one or more arrays of projection lenses. Each plate has an array of apertures formed in it, with projection lenses formed at the locations of the apertures. The arrays of projection lenses form an array of projection lens systems, each projection lens system comprising one or more of the projection lenses formed at corresponding points of the one or more arrays of projection lenses.

The invention provides a preparation method of a composite electrode material for a supercapacitor. The preparation method comprises the following steps of: 1) preparing a three-dimensional graphene oxide-hydroxyl carbon nano tube aerogel, wherein the step 1) comprises the following steps of: 1-1) preparing a graphene oxide-hydroxyl carbon nano tube dispersioin liquid; 1-2) carrying out hydrothermal reaction to obtain a three-dimensional graphene oxide-hydroxyl carbon nano tube composite gel; and 1-3) freezing and drying the composite gel to obtain the three-dimensional graphene oxide-hydroxyl carbon nano tube aerogel; 2) uniformly dispersing carbon black particles in a potassium permanganate solution to obtain a carbon black-potassium permanganate dispersion liquid; and 3) carrying out hydrothermal reaction of the three-dimensional graphene oxide-hydroxyl carbon nano tube aerogel in the carbon black-potassium permanganate dispersion liquid to obtain the composite electrode material. The invention also provides the composite electrode material for the supercapacitor and the supercapacitor.

The invention provides a methane substrate biomembrane reactor and a process for removing perchlorate from drinking water. The reactor comprises a casing and a hollow fiber membrane assembly, wherein the top end of the casing is provided with a flange cover; the casing is outwards provided with a gas inlet; methane is introduced through the gas inlet; the casing is inwards provided with a fixedly connected membrane assembly fixing element; the hollow fiber membrane assembly is arranged inside the casing and consists of a hollow fiber membrane tow and a membrane assembly sealing head; the hollow fiber membrane tow is in a shape that a U-shaped opening is upward, and an end opening is fixedly connected onto the membrane assembly sealing head through epoxy resin adhesives; the sealing head of the hollow fiber membrane assembly is connected and fastened with a membrane assembly element arranged at the inner end of the flange cover arranged at the top end through screw threads, and is communicated with the gas inlet. The methane substrate biomembrane reactor is used; the operation is performed according to a continuous flow mode; the methane is used as an electric supply and a carbon source; the methane utilization rate can be effectively improved; the enriching domestication of reducing system microbes for oxidatively coupling anaerobic methane with high-perchlorate is shortened; the fast, efficient and safe removal of perchlorate in the drinking water is realized.

The invention relates to a preparation method of an oxygen-nitrogen co-doped carbon material used for a zinc air battery. The preparation method comprises the following steps of (a), enabling a pyrrole monomer in deionized water to be reacted under the effects of FeCl<2> and H<2>O<2>, and then performing drying to obtain a brown product; (b), enabling the brown product to be dispersed into deionized water, and adding NaCl and then performing freeze-drying; (c), putting the freeze-dried product in the step (b) into a tubular furnace, and performing annealing treatment under inert gas protection; and performing washing by deionized water and alcohol in sequence and carrying out vacuum drying; and (d), putting the product in the step (c) into hydrochloric acid to be stirred, and performing washing by deionized water and alcohol in sequence, and then and carrying out vacuum drying to obtain an oxygen-nitrogen co-doped carbon nanosheet, wherein the ratio of the pyrrole monomer to FeCl<2> toH<2>O<2> to NaCl is (1-3ml) to (0.3-0.7g) to (15-35ml) to (5-10g). The zinc air battery which takes the material as the air positive electrode has excellent performance.

The invention discloses a finger vein and fingerprint hybrid identity authentication device and method. In a same structure, two independent groups of infrared spot lights are utilized to extract vein information and fingerprint information of a finger respectively, the structure is simple, and the operation is convenient; the complementation of the two types of biological identification modes of finger vein and fingerprint is realized, so that the authentication accuracy is higher, and scope of application is wider; due to the arrangement of an isolation board and two rows of infrared spot light groups, light irradiated to a verifying finger can be adequate and irradiated accurately; moreover, image interference to vein information and fingerprint images is reduced, so that the acquisition accuracy and success rate are improved, and a guarantee is provided for follow-up certification; comparison authentication is carried out in an intelligent terminal, so that equipment does not need to store feature information or perform comparison authentication, the function is simpler, and the component is smaller; and due to the adoption of low-energy design, the finger vein and fingerprint hybrid identity authentication device is connected with other intelligent equipment via a USB for information exchange, and is powered by the USB directly, so that no external power supply is needed.

The object of the present invention is to provide a drawing device for printing lines on a medium with good production efficiency and high-precision printing. The body of the drawing device includes a head (10) carrying a printing head (10a) and a supporting platform (36). The medium (80) on the support table (36) is printed by the printing head (10a) of the head (10). One of the head (10) and the support table (36) is assembled on the fuselage in a movable manner relative to the other through a transmission mechanism. When the other side is assembled on the fuselage, it does not pass through the transmission mechanism. One of the two XY axes moves in the direction of the axis, while the other does not move in the direction of the axis.

The invention discloses a finger vein identity authentication apparatus and method. The finger vein identity authentication apparatus comprises separating boards, infrared lamp groups and a concentrating assembly, wherein the separating boards are arranged on the two sides of a guiding slot for placing a verified finger, and used for blocking infrared light from the outside; the infrared lamp groups are symmetrically arranged in the separating boards on the two sides of a finger bearing platform, and used for providing a light source; and the concentrating assembly is positioned in front of the infrared lamp groups, and used for adjusting the irradiating angle of the light rays of the infrared lamp groups to the verified finger. According to the finger vein identity authentication method, a windows starting up login management program is utilized for realizing binding of the starting up login and the finger vein identity authentication apparatus; and then the finger vein identity authentication for the windows starting up login is realized through a logon procedure and an authentication procedure. The precision and success rate of finger vein image collection are effectively improved, so that the security of individual finger vein feature information is ensured and a false authentication phenomenon is completely eradicated; and in addition, low power consumption design is adopted and an external power supply is not required, so that the finger vein identity authentication apparatus and method are high in actual practical value.

A projection lens arrangement for a charged particle multi-beamlet system, the projection lens arrangement including one or more plates and one or more arrays of projection lenses. Each plate has an array of apertures formed in it, with projection lenses formed at the locations of the apertures. The arrays of projection lenses form an array of projection lens systems, each projection lens system comprising one or more of the projection lenses formed at corresponding points of the one or more arrays of projection lenses.

The invention discloses a low-temperature curing screen printing machine, which includes a frame, a printing plate device, a screen printing device, a conveying device and a pressing device; the screen printing machine also includes a curing device for curing ink on the surface of a workpiece after printing, and the curing device is installed on The frame includes a low-temperature light source and a cover plate for shielding the workpiece. The low-temperature light source is installed inside the cover plate. The cover plate includes two vertically arranged cover walls, and a gap for the workpiece to pass is provided between the cover walls. The light source is located on the inner surface of the cover wall, and the inner sides of the two cover walls are provided with light sources, and the ink is photocurable ink. The screen printing machine is equipped with a curing device integrally on the frame to cure the surface of the workpiece before unloading. Since the printed workpiece does not need to be transferred to a separate curing device for separate curing process, the production efficiency of screen printing is improved. Secondly, the curing device uses a low-temperature light source, which is a cold light source, has low curing temperature, lower energy consumption, and has no potential safety hazards.

The invention provides a graphene power battery with excellent performance and a preparation method thereof. The graphene power battery consists of a positive pole piece, a negative pole piece, a membrane, electrolyte and a shell, wherein a negative pole active material is prepared from spinel lithium titanate, nano silicon and graphene powder; a positive pole active material is prepared from lithium iron phosphate, porous graphene powder and nano boron nitride; each of a positive pole conductive agent and a negative pole conductive agent contains at least one of graphene powder, polyaniline, SP, KS-6, carbon fiber, carbon nano tubes, superconductive carbon black and crystalline flake graphite; the positive pole conductive agent contains the graphene powder; each of a positive pole adhesive and a negative pole adhesive is at least one of polyvinylidene fluoride, polytetrafluoroethylene, butadiene styrene rubber and CMC. The problems of low lithium iron phosphate conductivity, substantial reduction of the conductivity of a positive / negative pole, decrease of the electrolyte permeability and the like of a lithium iron phosphate power battery under a low temperature condition are solved with relatively low cost.

The invention discloses a blow-down valve used for chemical production, and relates to the technical field of chemical valves. The blow-down valve used for chemical production comprises a valve body,a clamping device located outside the valve body, an adjustment device located in an inner cavity of the valve body, and a pressing device arranged above the valve body. The two sides of the valve body are fixedly sleeved with limiting sleeve plates. The left side of the valve body is fixedly sleeved with the clamping device. According to the blow-down valve used for chemical production, positioning rods and fastening devices are used in cooperation so that the structures of the valve can be connected more tightly; when the valve is blocked, the problem that bolts of the valve are rusted and cannot be disassembled easily after long-time use can be effectively solved, the maintenance convenience of the valve is effectively improved, and the service life of the valve is prolonged; and bearing sleeve plates are arranged in the valve body and between the limiting sleeve plates and connecting sleeves, so that the valve body is sealed, and the problem that an existing valve is prone to waterseepage is solved.

The invention discloses a wall-straddling jointed solar mounting frame. The wall-straddling jointed solar mounting frame comprises a fixed plate; the lower surface of the fixed plate is fixedly connected with a support rod; the back end of the support rod is fixedly connected with the left side surface of a baffle; the right side surface of the baffle is fixedly connected with a clamping plate; the right side surface of the clamping plate is lap jointed with the left side surface of the wall body; the right side surface of the wall body is lap jointed with the left side surface of a fixed plate; and the right side surface of the fixed plate is fixedly connected with the left side surface of a fixed rod through a fixed block. According to the wall-straddling jointed solar mounting frame, byvirtue of mutual matching of the fixed plate, the support plate, the baffle, a first screw thread column, the fixed rod, the fixed block, the fixed plate and a positioning plate, a working staff canplace the fixed plate on the wall body; the clamping plate is in a right angle and laminated with the wall body; and the working staff rotates a handle to drive the first screw thread column to turn,so that fixation of the mounting plate on the parapet wall can be facilitated, a too large occupied area of the solar battery panel on roof is avoided, and more sunshine can illuminate the light accepting surface of the solar battery panel.

The invention discloses an angle-adjusted layered dried orange peel airing frame. The angle-adjusted layered dried orange peel airing frame comprises a base; a support column is arranged on the base,and is connected with a mounting frame through a support shaft; a connecting piece is arranged on the lower surface of the mounting frame, and is movably connected with a piston rod of a micro cylinder through a rotating shaft; and an airing mechanism is arranged on the mounting frame, and is connected with a limiting base mounted on the upper surface of the mounting frame through a connecting mechanism. The angle-adjusted layered dried orange peel airing frame can adjust the angle of the airing mechanism through the micro cylinder to achieve good airing effect and high airing efficiency, andcan adjust gaps among an upper-end airing layer, a middle-end airing layer and a lower-end airing layer according to actual demands to achieve the airing work; after completion of airing, a support inner sleeve can be stored into a support outer sleeve, so that the airing mechanism is small in total size and convenient to store; and through a connecting mechanism, the airing mechanism is installedor disassembled conveniently, so that later cleaning of the airing mechanism is convenient.

The invention provides a preparation method and application of a sub-10-nanometer gap structure. The preparation method comprises the following steps of (1) designing an overlapping pattern of an opposite vertex structure as a mask pattern; and (2) exposing an electron beam resist by using an electron beam according to a pattern designed in the step (1), and developing and fixing to obtain the sub-10-nanometer gap structure. According to the preparation method provided by the invention, the problem of underexposure when a vertex angle of the designed opposite vertex structure is smaller than 40 degrees can be solved, and the sub-10 nanometer gap structure is successfully prepared.

The invention discloses a method for paving a roasting medium in an aluminum electrolysis cell and a method for roasting a lining of the aluminum electrolysis cell. The method for paving a roasting medium in an aluminum electrolysis cell comprises the following steps of: placing a fence frame in an anode orthographic projection area of the aluminum electrolysis cell; filling the fence frame with a roasting medium, wherein the roasting medium contains scorched particles and graphite; and after leveling the surface of the roasting medium, removing the fence frame. Through the invention, the roasting medium can be effectively paved in the aluminum electrolysis cell.

A display device and a mobile terminal including the same includes a display area in which a first group of display pixels to which pixel data is written are arranged, and a sensing area in which a second group of display pixels and a plurality of sensor pixels are arranged; each of the display pixels includes a pixel circuit configured to drive a light emitting element; each of the sensor pixels includes a photosensor driving circuit configured to drive a photodiode; a low potential power voltage and a pixel driving voltage are applied to the pixel circuit and the photosensor driving circuit; a cathode electrode of the light emitting element and the cathode electrode of the photodiode share the same metal electrode, and are commonly connected to a low potential power line to which the low potential power voltage is applied.

The invention discloses an independent lifting and dropping structure of a clothes airing machine. The technical scheme is characterized in that the independent lifting and dropping structure comprises a clothes airing body, two clothes airing poles and a lifting and dropping device, wherein the lifting and dropping device comprises four pull ropes and four lifting and dropping racks, and the fourpull ropes and the four lifting and dropping racks are located on two sides of the two clothes airing poles in the length direction respectively; each lifting and dropping rack comprises a first lifting and dropping rod and a second lifting and dropping rod which are hinged with each other to form an X-shaped retractable rack; the multiple retractable racks are hinged end to end; the upper ends of the lifting and dropping racks are hinged with the clothes airing body, and the lower ends of the lifting and dropping racks are hinged with the clothes airing poles. Lifting and dropping of the twoclothes airing poles are driven by the pull ropes at respective two ends and do not affect each other, and independent lifting and dropping of the clothes airing poles are realized; by means of the lifting and dropping racks, the clothes airing poles cannot shake due to wind, clothes aired on the clothes airing poles are prevented from getting unstable and falling, and damage to the clothes airing poles due to probable collision between the clothes airing poles is avoided.

The invention discloses a high speed differential signal connector. The high speed differential signal connector includes a male end connector and a female end connector that are in mutual plug fit; the female end connector includes a female end base and a plurality of female end signal transmission modules that are plugged in parallel on the female end base; each of the female end signal transmission modules includes a signal transmission module and a metal shield plate fixed on the signal transmission module; the lower end portion of the metal shield plate is provided with protruding teeth for fixing and conducting with the female end base; and convex hull structures are disposed on the female end base corresponding to the protruding teeth. In the high speed differential signal connector, the protruding teeth are disposed at the lower end portion of the metal shield plate, and at the same time, the matching convex hull structures are disposed on the female end base to facilitate fixation of the female end signal transmission modules and the metal shield plates, and at the same time, the metal shield plates can communicate with the female end base to form a relatively short backflow path, thus facilitating shortening the backflow path of a differential signal.

The invention discloses a high-speed differential signal connector with shielding effect. The high-speed differential signal connector with shielding effect includes mutually plugged and coordinated male end connector and female end connector, wherein the female end connector includes a female end substrate and a plurality of female end signal transmission modules which are plugged with the femaleend substrate in parallel; the each female end signal transmission module includes a signal transmission module and a metal shielding plate fixed on the signal transmission module; more than two bridge structures are arranged on the metal shielding plate at intervals; and the bridge structures are bulged to the outer side of the metal shielding plate. In the high-speed differential signal connector with shielding effect, the metal shielding plate is arranged on the signal transmission module, and more than two bridge structures are arranged on the metal shielding plate, and when the metal shielding plate and the female end signal transmission module are fixed, the plurality of female signal transmission modules are arranged and distributed, thus realizing multi-point communication betweenthe metal shielding plate and the shielding housing of the adjacent female signal transmission module so as to reduce the backflow path.

The invention discloses an environment-friendly automatic water replenishing type seedling culture maintenance device, and relates to the technical field of seedling culture maintenance. The environment-friendly automatic water replenishing type seedling culture maintenance device comprises a concave base and a plurality of semi-cylindrical cultivation cabins uniformly distributed on the base in the vertical direction, two ends of the cultivation cabins are rotatably connected with vertical plates at two ends of the base, and the base is provided with a swing assembly used for driving the cultivation cabins to swing to adjust the position of the cultivation cabins. Protective covers sleeve the outer circumferential faces of the cultivation cabins, the protective covers are rotationally connected with the cultivation cabins, water spraying holes are formed in the inner arc faces of the protective covers and communicate with a water supply tank through a second water pipe, and rotating assemblies are arranged between the protective covers and the cultivation cabins and used for driving the protective covers to rotate so that the protective covers can completely cover the opening faces of the cultivation cabins. The cultivation cabins are driven by a motor to adjust the angle according to the sun irradiation, so that the sun irradiation is sufficient, the seedling cultivation condition is met, the protective covers are further arranged on the cultivation cabins, and the protective covers can be automatically closed in severe weather, so that the seedlings are effectively protected.