5329 results about "Absorption effect" patented technology

In a hard disk drive (HDD) or an electronic apparatus in which the HDD is wrapped with a foam resin sheet with a noise absorption effect and a metal outer casing to thereby damp noise, a sub-assembly wrapping body incorporating therein the HDD wrapped with a wrapping body composed of a slippery film sheet with foam resin sheets attached thereto is mounted into the metal outer casing through the slippery surface of the slippery film sheet. In order to insulate a noise generated from a recording and reproducing drive apparatus such as the HDD, the system for use with the HDD and the electronic apparatus can simplify the assembly process required when the HDD is loaded into the outer casing serving as a noise insulation box through a noise absorption member.

The invention provides a method for processing de-nitration on the boiler smoke, belonging to the environmental protective technique. The method comprises: ejecting ozone O3 into the low-temperature section of smoke channel of boiler whose temperature ranges from 110-150Deg. C; oxygenizing the nitric oxide NO into high-state nitrogen oxide as NO2, NO3 or N2O5; washing the smoke with alkali liquor to remove the nitrogen oxide in the smoke. Compared to other de-nitration method, said invention has higher efficiency, lower cost, and non-secondary pollution, while the absorption effect combined with alkali liquor can reach more than 80%. In addition, the invention can apply variable boiler devices, which is not relative to the burning condition of boiler.

A method of manufacturing a polarizing plate of a resonance absorption effect type wherein plural bar-like polarizing members are arranged in a light-transmittable polarizing matrix layer with major axes thereof orienting in a constant direction. The method includes a preparing process of a forming die for preparing a forming die having a concavoconvex pattern corresponding to a layout pattern of the bar-like polarizing members, a forming process of a concavoconvex pattern on a resin layer for forming a resin layer directly or indirectly on a substrate and pressing the forming die onto the resin layer so as to form a concavoconvex pattern on the resin layer, a forming process of bar-like polarizing members for forming the bar-like polarizing members in the foregoing layout pattern using the concavoconvex pattern of the resin layer, and a forming process of a polarizing matrix layer for forming the light-transmittable polarizing matrix layer so as to bury the formed bar-like polarizing members. Accordingly, the polarizing plate of the resonance absorption effect type can be obtained, which is low in price, massproducible, high in extinction ratio, high in performance and high in reliability.

The invention relates to an airborne shooting device of an unmanned aerial vehicle, in particular to an airborne air-photo image-stabilizing cloud deck of the unmanned aerial vehicle. A cross beam is installed on a fixing rod of the unmanned aerial vehicle, and a first flat plate with a middle hole is disposed on the cross beam. A horizontal rotating driving steering engine is arranged on a first frame and connected with the first flat plate through a horizontal transmission mechanism, the counter force of the first flat plate drives the first frame to rotate horizontally, and a horizontal angle detection potentiometer can penetrate through the middle hole of the first flat plate in a relatively rotating mode to be fixedly connected on the first frame. A second frame is rotatably disposed on the first frame through horizontal shafts on both sides of the second frame, the horizontal shaft on one side of the second frame is connected with a perpendicular rotating driving steering engine arranged on the first frame through a perpendicular transmission mechanism, and the horizontal shaft on the other side of the second frame is connected with a perpendicular angle detection potentiometer. The second frame is driven by the perpendicular rotating driving steering engine to rotate perpendicularly and rotates horizontally along with the first frame. The airborne air-photo image-stabilizing cloud deck of the unmanned aerial vehicle is good in shock absorption effect, large in driving torque and stable in rotating speed.

The invention discloses a range hood with an air regulation function and a control system and a control method thereof. The control system of the range hood comprises a power supply module, a motor driving module and a system control module, wherein the system control module comprises a master control chip, a slave control chip and a sensor group, the master control chip is connected with the sensor group, the motor driving module is composed of an intelligent power module, a motor driving chip and a sampling and protection circuit, the sensor group detects the running state of the range hood and inputs the running state to the master control chip, and the master control chip judges the running state of the range hood, then determines an air volume value and sends the air volume value to the motor driving module so as to drive a direct current motor to work. The invention further discloses the range hood and the control method thereof. According to the invention, the problem that influence of a kitchen environment and shared flues on oil smoke absorption effects cannot be integratedly handled in the prior art is overcome, and the range hood is allowed to have the advantages of noise reduction, energy conservation and environment friendliness.

The invention belongs to the technical field of sulfur recovery, and particularly relates to a sulfur recovery process for reducing SO2 emission. According to the sulfur recovery process, a thermal reaction unit, a catalytic reaction unit and a tail gas purification unit are utilized; based on the traditional Claus and SCOT tail gas treatment process, an ammonia water absorption tank is additionally arranged for removing H2S from purified tail gas, so as to ensure that the H2S content in the purified tail gas is lower than 5 mg / m<3>; waste ammonia water is sent to a sewage stripping unit for treating; through the adoption of the sewage stripping device, H2S and ammonia can be respectively extracted; the extracted H2S is returned to a sulfur recovery device for sulfur recovery, and the extracted ammonia is returned to the ammonia water absorption tank for cyclic utilization; finally, the flue-gas SO2 emission concentration for the sulfur recovery device can be reduced below 100 mg / m<3>, the new environmental protection standard to be executed is satisfied, and a novel method for building a new sulfur recovery device with a small investment and low operating cost is provided. The sulfur recovery process is excellent in absorption effect, simple to operate, low in expense, environment-friendly, and economical.

The invention relates to a pigment dispersant of a polyester type branched polymer and a preparation method thereof. In the pigment dispersant, a polyhydroxy compound of By is used as a nuclear molecule, wherein, B represents hydroxy and the functionality y thereof is more than or equal to 2; a polyhydroxy acid of ABx is adopted as a dispersing molecule, wherein, A represents carboxyl, B represents hydroxy and x represents the functionality of the hydroxy which is more than or equal to 2; a vacuum melt polycondensation method is adopted to obtain a melicera polyester type branched polymer and the tail end of which is provided with the hydroxy; then the obtained polyester type branched polymer is utilized to carry out melt polycondensation with a fatty acid under a vacuum condition and finally to carry out esterification with estolide under a normal pressure. As an oleophylic aliphatic carbon chain and a polar group which has a strong absorption effect on the surface of the dye particles exist in the molecule of an output, the output relates to a double-parent functional macromolecule, in particular to a pigment dispersant with excellent performance in a paint and printing ink system and has excellent application prospects in the paint and printing ink industry.

The invention discloses a shock absorption base for transporting a lithium battery. The shock absorption base comprises a fixed box and a movable plate; a lithium battery body is movably connected to the top of the movable plate; a fixed base is fixedly connected in the middle of the bottom of the movable plate; furthermore, both two sides of the surface of the fixed base are rotatably connected to a rotary rod through a movable part; the middle part of the rotary rod is rotatably connected to a movable device through the movable part; furthermore, one end of the movable device away from the rotary rod is movably connected with the surface of the movable plate; one end of the rotary rod away from the fixed base is fixedly connected to a movable block; and furthermore, a stretchable spring is fixedly connected between the two movable blocks. The invention relates to the technical field of lithium batteries. By means of the shock absorption base for transporting the lithium battery disclosed by the invention, the problem that the lithium battery cannot be protected due to the fact that the shock absorption effect of the existing lithium battery transporting device is poor can be solved; security of the lithium battery in the transportation process can be ensured; loss due to transportation can be avoided; the service life of the lithium battery is prolonged; and the stability of the transportation base is improved.

The invention discloses an amine liquid desulphurization method with high hydrogen sulphide removal rate and a special device. A regeneration tower is divided into an upper section and a lower section; by a third pipeline which is provided with a third pump and is added between the middle part of an absorption tower and the outlet of the upper section of the regeneration tower, and a fourth pipeline by which the outlet of the regeneration third pump and the inlet of the lower section of the regeneration tower are communicated with each other, two-step absorption and two-step regeneration are carried out by using solvents with different hydrogen sulphide contents, a small part of solvent with little hydrogen sulphide is used as absorbent of final-step, therefore, the solvent quantity which achieves the low content of hydrogen sulphide is little, thus the steam dosage is reduced, the reboiler steam is saved by about 30 percent, the operation energy consumption is greatly reduced and the desulphurization expense is reduced further; meanwhile, the content of the hydrogen sulphide in the processing gas purified by the invention can achieve less than 50ppmv; therefore, the absorption effect is good and the hydrogen sulphide removal rate is high.

A preparation method of a deep sea cable filling strip relates to a preparation method of a conductor filling strip. The preparation method comprises the following process steps: mixing rubber, a vulcanizing agent, a vulcanization accelerator, an antiager, a plasticizer, a reinforcing filler and a tackifier in parts by weight; and then calendering, slitting and packaging to obtain the finished product. The method has a simple production technology, stable technical properties and high practicability; the product is used in the cable and the cable core of the optical cable, the product has high strength, uniform thickness and a good saturated water absorption effect and has the functions of shielding and buffering the electric field; and the product also has viscoelasticity, thus the filling cable core is stronger and the service life of the optical cable can be prolonged.

The invention discloses a variable damping shock absorber and a drum washing machine using the shock absorber. The shock absorber disclosed by the invention comprises a shock absorber barrel, a piston rod and a piston, wherein the shock absorber barrel comprises a damping cavity and a buffering cavity; the piston rod is inserted into the barrel; the piston is fixedly arranged on the piston rod in the damping cavity; the buffering cavity is communicated with the outside; the damping cavity is filled with magnetic fluid; an electric magnet and a throttling orifice for the magnetic fluid to pass through are arranged in the piston; the electric magnet is connected with a master controller through a wire in the piston rod; and the master controller changes the liquidity of the magnetic fluid by controlling the magnitude of current and utilizing the magnetism variation of the electric magnet, thereby realizing the purpose of adjusting the damping in real time. In the washing machine disclosed by the invention, the real-time damping adjustment can be realized according to the rotating speed of a motor through the shock absorber. The variable damping shock absorber and drum washing machine disclosed by the invention have the advantages of simple structure, high sensitivity and obvious shock absorption effect, and are suitable for being popularized and used.

The invention relates to a wall-cleaning robot based on the positive and negative pressure absorption principle. The wall-cleaning robot of the invention solves the problems of complicated structure, bad wall absorption effect, and bad obstacle-crossing capacity and so on, existing in the existing wall-cleaning robot. A cleaning mechanism (71) and a water inlet and outlet mechanism of the invention are installed in a shell body (2); a wheel type traveling system (70) is installed at the lower part of the shell body (2); a three-phase motor (13) is installed on the upper end face of the shell body (2); the outer rotors of the three-phase motor (13) are respectively and fixedly provided with a propeller (1) and a centrifugal fan in sequence from top to bottom; the external housing of the three-phase motor (13) is communicated with the inner cavity of the shell body (2); a dry brush (9), a wet brush (27), a suction roll (32) and a squeeze roll (44) are installed in the shell body in sequence from front to rear. The wall-cleaning robot of the invention has the advantages of good wall absorption effect, better obstacle-crossing capacity and simple structure and can be remotely controlled.

The invention relates to a flexible mechanical arm energy consumption shock absorption device based on 2:1 internal resonance, and the shock absorption device consists of a shock absorber installation seat, a torsion spring, a connecting turntable, an inertia adjusting ball, a swinging supporting rod and an adjustable damper, wherein the shock absorber installation seat is connected with a flexible mechanical arm through a screw, the adjustable damper is connected with the shock absorber installation seat through a bolt, the connecting turntable is tightened onto a rotating shaft of the adjustable damper, the torsion spring penetrates the rotating shaft of the adjustable damper, two ends of the torsion spring are respectively connected with the adjustable damper and the connecting turntable, the swinging supporting rod is connected with the connecting turntable in a threading way, and the inertia adjusting ball penetrates the swinging supporting rod via a through hole and is fixedly connected with the swinging supporting rod through a tightening screw; and a flexible mechanical arm energy consumption shock absorption method based on the 2:1 internal resonance comprises twelve steps. The flexible mechanical arm energy consumption shock absorption method and the device can be used for the vibration control of an aerospace flexible arm mechanism, a microelectronic manufacturing flexible arm, robot system flexible mechanical hand and the like and have characteristics of obvious shock absorption effect, simplicity in structure and good robustness.

A sound insulation composite a wall and floor board, including a sound insulation sheet material and a sound insulation binder for adhering the sound insulation sheet material to the wall and floor of the building. The sound insulation sheet material comprises a substrate and a glaze layer adhered on the substrate, the sound insulation binder includes, by mass fraction, 25-30 parts of an inorganic gel, 1-5 parts of a modifier, 0.3-0.5 part of anti-cracking reinforced fiber, 5-8 parts of a sound absorbing material, 40-60 parts of a filler, 0.3-0.6 part of a water retaining agent, 0.1-0.5 part of an activation activating agent, 0.2-0.8 part of a superplasticizer, 0.1-0.3 part of a hydrophobic powder and 0.1-0.6 part of a dispersant. The sound insulation sheet material contains a large amount of interconnected micro voids, and sound waves can penetrate deep inside the material along these pores and generates friction effect with the material, so that the acoustic energy is converted into heat energy. In addition, the sound insulation binder contains the sound-absorbing material consisting of an unconsolidated porous material, which has gradually increased sound absorption coefficient from low frequency to high frequency, so that the sound insulation binder has good sound absorption effect on high-frequency and intermediate-frequency sound.

The invention relates to a carbon fiber wetland type ecological floating bed and an arrangement method thereof, belonging to the field of sewage treatment. The carbon fiber wetland type ecological floating bed comprises a bed body, a biological carbon fiber material, floating bed plants and a wetland tank, wherein the wetland tank is arranged in the bed body; the interior of the wetland tank is filled with a porous light-weight artificial wetland filler; the floating bed plants are planted in the middle of the filler; and the biological carbon fiber material is hung on a suspension rod at the bottom of the wetland tank. According to the carbon fiber wetland type ecological floating bed, the processes of the ecological floating bed, bio-contact oxidation and the artificial wetland are reasonably combined to ensure that sewage is firstly subjected to bio-contact oxidation to degrade most pollutants, then the sewage is intercepted and further degraded through the wetland structure, and finally, through the absorption effect of plant roots, the quality of the sewage is better improve; and meanwhile, the reasonable layout of plants can be used for achieving the purposes of beautifying the environment, improving the ecological diversity and promoting the degradation effect on the pollutants of the whole floating bed system.

The invention relates to a multiple helmholtz resonator parallel cellular sandwich wood sound absorption plate, belonging to the field of sound absorption technologies. The invention solves the problems of small chamber volume ratio, narrow sound absorption frequency band and poor sound absorption effect in the traditional sound absorption panels. Technical essential is characterized in that a sandwich layer is a cellular sandwich layer; the cellular sandwich layer is formed from splicing a plurality of cylinder bodies with hexagonal cross sections; an inner cavity of each hexagonal cylinder body is a cell cavity chamber; the chamber volume ratio of the sandwich layer is larger than 90%; the area of perforation shape surrounded by contour lines of each perforation is less than a half of the hexagonal area of corresponding sandwich layer; and each small through hole on a panel is communicated with the cell cavity chamber at the corresponding position of the sandwich layer. The invention has wider sound absorption frequency band and better medium high frequency sound absorption performance, and the sanding wave tube method sound absorption coefficients respectively reach 0.8, 0.9 and 0.7 at 500Hz, 1000Hz and 2000Hz. In addition, the invention also has the characteristics of light weight, high ratio of strength to weight, good decorative effect, and the like; and wood resources can be saved, preparation process is simple, and cost is low.

A vehicle body side structure is provided to prevent deformation of a structural member due to deformation of a door during a side collision. The vehicle body structure reduces the possibility that the structural member contacts an occupant and obtains an excellent impact absorption effect when the door contacts the occupant. The vehicle body structure has a body side portion with the structural member, and a door coupled to the body side portion to open and close relative to the structural member. An energy absorption member is coupled to the door. A door engagement mechanism is coupled between the door and the side structural member. The door engagement mechanism is arranged to hold the door and the structural member together. A collision sensor generates a collision signal when a side collision is detected by the collision sensor. A door release mechanism is connected to the door engagement mechanism to release the door from the structural member in response to the collision signal. The energy absorption member can be a block of compressible material located in the door, or an air bag, or a frame member with a fragile portion.

The invention provides a non-cryogenic oil absorption separation method for a mixture of low-carbon hydrocarbons, which is used for separating the mixture of the hydrocarbons from gas during production of olefins from methanol. Methane / hydrogen can be separated from heavy components, namely C2 and above by absorbing fractions of the C2 and above by adopting two or more strands of absorbing agents. According to the method disclosed by the invention, an absorbing agent separating tower is increased before a demethanization tower, one strand of material flow, which is separated from the tower is taken as a main absorbing agent of the demethanization tower for absorbing the C2 and C3, the strand of the absorbing agent is the mixture of the fractions, which is from the former system and needs to be separated, and circulation is not required. The second strand of the absorbing agent of the demethanization tower is from a system including a depropanization tower and a debutanization tower, and the absorption effect is further enhanced. Compared with the prior art, the method can greatly reduce the using quantity of the circulating absorbing agents; moreover, the multiple strands of the absorbing agents are adopted, equipment investment and energy consumption are significantly reduced, the recovery rate of ethylene and propylene is further improved; and furthermore, the flow is simple, the operation cost is low, and the operation is safe and reliable.

The invention relates to a method for associating plants and microorganisms to accumulate heavy metal cadmium in soil. The method comprises the following steps: firstly planting cadmium accumulated plants in cadmium polluted soil; then inoculating cadmium-resistant bacteria in rhizosphere soil of the cadmium accumulated plants; conventionally culturing, watering and moisturizing; enriching cadmium in cadmium accumulated soil by utilizing the absorption effect of the cadmium accumulated plants to the cadmium and reinforcing effect of the cadmium-resistant bacteria; repeating the process so that the purpose of repairing the cadmium polluted soil can be achieved. The soil repairing method is good in effect, low in cost, easy to manage and operate, and free of secondary pollution, and has a wide application prospect.

A spectroscopy system is provided which operates in the vacuum ultraviolet spectrum. More particularly, a system utilizing reflectometry techniques in the vacuum ultraviolet spectrum is provided for use in metrology applications. To ensure accurate and repeatable measurement, the environment of the optical path is controlled to limit absorption effects of gases that may be present in the optical path. The VUV reflectometer may be utilized to monitor a wide range of data in a semiconductor processing environment. For example, the techniques may be used for measuring thicknesses, optical properties, composition, porosity and roughness of a film or stack of films. Further, the VUV techniques and apparatus may be used to characterize critical dimensions and other features of a device. The VUV reflectometer system may be utilized as a stand alone tool, or the relatively compact nature of the system may be taken advantage of such that the system is incorporated into other process tools. Thus, for example, the VUV techniques described herein may be incorporated directly into tools used for deposition, etch, photolithography, etc. so that in-line measurements, monitoring and control may be advantageously obtained.

The invention relates to the field of baby supplies, in particular to a multi-dimensional shock-absorbing baby carriage comprising a base, four universal wheels, a hand pusher, a parallel support device, and a seat. The universal wheels are symmetrically mounted at the bottom of the base along the center axis of the base. The hand pusher is located on the right of the base and is fixedly connected with the base. The parallel support device is mounted right above the base. The seat is located below the parallel support device and is fixedly connected with the base. The multi-dimensional shock-absorbing baby carriage has the advantages of compact structure, simplicity in manufacturing, high flexibility and the like; the parallel support device allows single shock absorption via a parallel topological structure; the seat can move in a limited manner in the X-axial, Y-axial and Z-axial directions, multi-dimensional shock absorption is ensured for the seat, secondary shock absorption is achieved, and the multi-dimensional shock-absorbing baby carriage has double shock absorption functions and has significant shock absorption effect.

A method for dicing a wafer including first and second layers is provided. A front surface of the first layer contacts a backside surface of the second layer. The method includes: forming a sealing film on the second layer; cutting the first layer from a backside surface along with a cutting line to form a notch; removing the sealing film; irradiating a laser beam on the front surface of the second layer along with the cutting line to form a reforming region in the second layer by a multi photon absorption effect; and dividing the wafer along with the cutting line from the reforming region as a starting point of dividing.

The invention provides an efficient shock-absorption support for a new-energy cooling water pump. The efficient shock-absorption support for the new-energy cooling water pump comprises an upper supporting plate and a lower supporting plate. The lower supporting plate is located below the upper supporting plate. Shock absorption devices are arranged at the four corners of the upper end of the lowersupporting plate. Each shock absorption device comprises an upper sleeve and a lower sleeve, wherein the upper sleeve is located in the lower sleeve and slidably connected with the lower sleeve, thebottom end of the interior of the lower sleeve is fixedly connected with a telescopic connecting rod, and the top end of the telescopic connecting rod is located at and fixedly connected with the topend of the interior of the upper sleeve. According to the efficient shock-absorption support for the new-energy cooling water pump, shock absorption of the cooling pump is achieved through the shock absorption device, so that the stability of the shock absorption support is improved, and accordingly, the shock-absorption support is safer and more reliable; and the shock absorption devices and an air bag are combined for shock absorption, so that impact force borne by the shock-absorption support is buffered and released, the problem of shaking of the shock-absorption support is effectively solved, and the shock absorption effect of the shock-absorption support is further improved; and noise generated when the cooling water pump operates is effectively lowered through sound absorption cotton, and thus the efficient shock-absorption support can be normally used by people without being affected.

The invention discloses an internal moisture distribution forecast method of a proton exchange membrane fuel cell. The internal moisture distribution forecast method is used for building a three-dimensional numerical value model and performing solving calculation and comprises five steps of building and calculating a conservation equation of membrane-state water Lamba distribution situation in a proton exchange membrane and a catalytic layer; building and calculating a conservation equation of water distribution situation in a gas diffusion layer, a micropore layer and the catalytic layer; solving liquid-state water distribution in a runner of the fuel cell; defining mass conservation of two sides of an interface of the runner and the gas diffusion layer; and building an energy conservation equation in an integral calculation domain, and acquiring temperature distribution. Simulation calculation is performed on flowing of a gas phase and a liquid phase in the runner of the proton exchange membrane fuel cell by a two-phase flow model, surface tension and a wall-surface absorption effect are considered, the flowing of a gas phase and a liquid phase in a membrane electrode (the gas diffusion layer, the micropore layer, the catalytic layer and the proton exchange membrane) is combined with the flowing of a gas phase and a liquid phase in the runner of the proton exchange membrane fuel cell by a special method, and a method for forecasting the distribution of the internal whole water in a single proton exchange membrane fuel cell under a given working condition by numerical value calculation is provided.

The invention discloses a treatment technique for pollutants in sinter fume and a spraying and absorbing tower thereof. After cooling and dedusting, the sinter fume is led into the spraying and absorbing tower, moves upwards to pass through at least two spraying and absorbing sections partitioned from up down in the spraying and absorbing tower, each spraying and absorbing section sprays and absorbs more than one pollutant in the sinter fume and the spraying and absorbing solution does not fall into the absorbing section of next layer, after passing through all the spraying and absorbing sections, the fume is demisted and exhausted from the top of the spraying and absorbing tower. The spraying and absorbing tower comprises a tower body, the tower body is partitioned into a demisting section, more than two spraying and absorbing sections and a fume inlet section from up down and a seriflux pool on the bottom of the tower body, and the adjacent spraying and absorbing sections are partitioned by a tower board assembly. The invention has the advantages that the loss of system resistance is small, the structure is simpler and more compact, the operation is convenient, the absorption effect is good, the treatment capacity is high and the like, and the invention can treat various pollutants in sinter fume.

A flow rate sensor for performing a flow rate detection of fluid with high accuracy without suffering adverse effect of the environmental temperature condition even when the fluid is viscous fluid having relatively high viscosity or the flow rate is relatively small is provided. The flow rate sensor includes a flow rate detector having a heating function and a temperature sensing function, and a pipe line for fluid to be detected which is formed so that heat from the flow rate detector is transferred to and absorbed by the fluid. The temperature sensing which is affected by a heat absorption effect of the fluid due to the heat is executed in the flow rate detector, and the flow rate of the fluid in the pipe line is detected on the basis of the temperature sensing result. Unit retaining portions formed on a casing in which the pipe line is formed, the unit retaining portions being disposed adjacent to the pipe line. A flow rate detecting unit comprising the flow rate detector is retained by the unit retaining portion, and a temperature detecting unit comprising a fluid temperature detector is retained by the unit retaining portion.

The invention provides an ink-jet recording material and a preparation method thereof as well as a method for preparing an ink absorption layer coating liquid, and relates to an ink-jet material and a preparation method thereof as well as a method for preparing an ink absorption layer coating liquid, so that the problems of poor ink absorption effect, nonuniform color distribution of printed images, unclear printed images and higher preparation cost of the existing ink-jet recording material can be solved. The ink-jet recording material is prepared from the ink-jet layer coating liquid which is prepared from PVC (polyvinyl chloride) serving as a base material, a 20-30% polyacrylic acid emulsion serving as a primer, an inorganic nano-pigment with the thickness of 10-100nm, a dispersing agent, acetic acid, deionized water and an adhesive aqueous solution. The prepared ink-jet recording material prepared through PVC material corona treatment, PVC substrate glue coating, drying, ink absorption layer coating and drying has the advantages that that the printed image is clear, the ink droplet does not diffuse, and the color is distributed uniformly; and the ink-jet recording material has excellent performances of color definition, color saturation, glossiness and the like. The raw material cost and the manufacture cost are low, so the ink-jet recording material is advantageous to industrial production, popularization and application.

The invention discloses a range hood with an air regulation function. The range hood comprises a body, a sensor group, an air channel, an operation panel, a controller, a direct current motor and fan blades, wherein the air channel, the operation panel, the controller, the direct current motor and the fan blades are installed on the body. The range hood is characterized in that the sensor group is arranged, the controller comprises a central processor, the sensor group is installed at an air inlet, detects oil smoke and vapor concentrations at the air inlet during operation of the range hood and feeds back the oil smoke and vapor concentrations to the central processor, and the central processor carries out integrated computation so as to obtain an air volume value and controls the revolving speed of the direct current motor. The range hood provided by the invention overcomes the problem that a conventional range hood cannot integratedly handle influence of a kitchen environment and shared flues on oil smoke absorption effects and has the advantages of noise reduction, energy conservation and environment friendliness.

The invention discloses a diction caterpillar band system. It includes base body, caterpillar band, drive wheel, and driven wheel. Its features are that the system also includes a parallelogram linkage used the base body as the frame, a rolling stretching structure connected to the base body, and supporting wheel train structure with linear array. The parallelogram linkage is respectively hinge joint to the connecting rod of the base body and the parallelogram linkage by the cylinder (oil cylinder) and piston. The rolling stretching structure is connected the parallelogram linkage by supporting connecting rod and damper. The supporting wheel train structure with linear array is connected to the supporting wheel frame of the parallelogram linkage. The system is drove the distortion, adjusted the center of gravity, kept the tensile force of the caterpillar band, and improved its shock absorption effect by the cylinder and the parallelogram linkage. This make the moving mechanism installed the system not only possess better mobility, maneuverability, and shinnied obstacle ability, but also possess better stability and dynamic performance, moreover the superior shock absorption ability.