41results about How to "Adjust the adsorption capacity" patented technology

The invention discloses a preparation method of ultrahigh crosslinking type absorbent resin modified by polyethylene polyamine. The preparation method comprises the steps of: adding chloromethyl polystyrene resin well swelling in a solvent into lewis acid to serve as a catalyst, and performing Friedel-Crafts (F-S) reaction at the temperature of 80-100 DEG C for 0.5-0.9 h to obtain ultrahigh crosslinking type absorbent resin; and reacting the obtained resin with the polyethylene polyamine at the temperature of 100-140 DEC G for 15-22 h under the protection of N2 to prepare the ultrahigh crosslinking type absorbent resin modified by the polyethylene polyamine. According to the preparation method disclosed by the invention, the surface of the prepared ultrahigh crosslinking type absorbent resin is loaded with the polyethylene polyamine with different contents, the adsorbability of the resin to substances with weak polarity and polarity can be obviously improved, the F-C reaction time canbe simply controlled to realize selective absorption to different polarity substances such as naphthol, phenol, polyethylene polyamine and the like, and the preparation method has a wide application prospect in the fields of treatment and recycle of the phenol and organic acid wastewater.

A hydrogen evolution catalyst and a preparation method thereof belong to the field of catalysis. Provided are a novel nitrogen-and-phosphor-codoped hollow carbon / iron phosphide composite catalyst and a preparation method thereof. According to the method, uniform mixing of a nitrogen source, a carbon source, a phosphor source, an iron source in a precursor are ensured, and a process of nitridation, phosphatization and carbonization is achieved through one-step high-temperature pyrolysis to prepare a phosphide having a hollow carbon inner wall inlaid with transition metal. The catalyst is high in catalytic activity, low in hydrogen evolution over potential, and prolonged in cycle life. The catalyst is low in cost of raw materials and easy to prepare.

The invention discloses a non-woven fabric surface heavy nitrogen coupling gelatin adsorbing material and a preparation method thereof. The method comprises the following steps of: grafting an unsaturated monomer with carboxy to the surface of a macromolecule non-woven fabric base material by using an ultraviolet induction technique so as to introduce the carboxy; furthermore introducing aromatic amine through catalytic condensation of aroma diamine and carboxy; subsequently, converting the aromatic amine into diazo salt; coupling and immobilizing the gelatin on the surface of the non-woven fabric through diazo coupling reaction; and finally, soaking in hot water and eliminating the uncoupled gelatin so as to prepare the non-woven fabric surface diazo coupling gelatin absorbing material. The absorbing material is good in hydrophilicity, namely, the water absorption rate is greater than 292.3%; the solid load and the absorption rate of the gelatin can be adjusted in a large range, the absorbing material has high absorption capability for tannin; and when the tannin concentration is 200-400mg / L, the balance absorption capacity is within 16.8-53.2mg / g, and the absorption balance can be achieved within 3 hours.

The invention relates to a method for controllably preparing a hollow molecularly-imprinted nanorod by using halloysite as a template and belongs to the technical field of preparation of environmental functional polymer materials. The method comprises the following steps: using the natural mineral, halloysite nano-tube, which is abundant in reserve volume, low in price and easy to obtain, as a template; grafting vinyl to the surface of the halloysite through a silylation reaction; carrying out surface in-situ precipitation polymerization, wherein molecularly-imprinted polymerization layers which cover the surface of the halloysite are uniform in thickness, and the size can be adjusted according to the quantity of polymerization monomers; etching off the halloysite to obtain the hollow molecularly-imprinted nanorod. The using rate of active binding sites in unit mass is increased. The hollow molecularly-imprinted nanorod prepared by the method is high in thermal stability and chemical stability, is successfully applied to efficient selective recognition and separation of chloramphenicol in a water environment, and is excellent in regeneration performance; the adsorption quantity changes along with the thickness change of the nano-imprinted layers.

The invention provides a tantalum ring and a preparation method thereof, a sputtering device comprising the tantalum ring and an application thereof. The tantalum ring comprises a ring part and patterns arranged on the surface of the ring part, and the patterns are in a conical pit shape, the conical pit-shaped patterns have a large specific surface area, when the conical pit-shaped patterns are applied to a sputtering process, a large amount of sputtering source can be attached on the conical pit-shaped patterns, and a better adhesion force is provided; in addition, the patterns present a conical pit shape, the tops of the conical pits face the interior of the ring part, the bottoms of every two adjacent conical pits are connected, a plane-shaped structure is presented but not a structurewith a pointed end, therefore, the phenomenon of point discharge occurring in a power-on process can be avoided, so that the service life of the tantalum ring is prolonged. The preparation method ofthe tantalum ring is simple, only the knurling treatment is needed, surface sharpening treatment is not needed, and it is ensured that on the premise that the obtained tantalum ring has better adsorption power and adsorption capacity on the sputtering source, and the situation of the point discharge is avoided as well.

The invention discloses nitrogen-doped nickel phosphide nano-flower and a preparation method thereof, and applications of the nitrogen-doped nickel phosphide nano-flower as an electrocatalytic hydrogen evolution catalyst. The preparation method comprises: mixing a nickel salt as a metal source and oleylamine as a morphology guiding agent, carrying out a hydrothermal reaction, carrying out heat treatment on the hydrothermal reaction product in an air atmosphere, and carrying out heat treatment on the heat treatment product, a phosphorus source and a nitrogen source in an inert atmosphere to obtain the nitrogen-doped nickel phosphide nano-flower. Compared with the method in the prior art, the method disclosed by the invention is simple to operate and easy for large-scale production, and theprepared nitrogen-doped nickel phosphide nano-flower has advantages of optimized surface electronic structure, multiple active sites, good conductivity, high catalytic activity and the like.

The invention discloses an intelligent double-side glass wiping robot. The robot comprises a driving machine, a follow-up machine and a control device. The driving machine comprises a driving machine body, an active walking device and an active attraction device, the active walking device and the active attraction device are located in the driving machine body, the active attraction device is connected with a lifting device and ascends or descends through the lifting device, and a wiping piece is arranged on the bottom surface of the driving machine body. The follow-up machine comprises a follow-up machine body, a follow-up walking device and a follow-up attraction device, the follow-up walking device and the follow-up attraction device are located in the follow-up machine body, the follow-up attraction device and the active attraction device attract each other, and a wiping piece is arranged on the bottom surface of the follow-up machine body. The control device is connected to the active walking device and controls the active walking device to walk. By arranging the driving machine, the follow-up machine and the corresponding attraction devices, the robot can attract glass and wipe double sides of the glass; by arranging the lifting device in the driving machine body, attraction force between the active attraction device and the follow-up attraction device can be adjusted, and then the robot can attract glass of different thicknesses. The robot has the advantages of being simple in structure and low in cost.

The invention discloses an underwater jet flow cleaning device with dirt crushing and recycling functions. The underwater jet flow cleaning device comprises a cleaning cover (1), and a universal roller (10) and side rollers (11) are fixedly arranged on the outer side face of the cleaning cover (1); a dirt diffusion preventing cover (9) is fixed at the lower edge of the cleaning cover (1); a rotating shaft (4) is arranged on a fixed shaft pipe (12); the fixed shaft pipe (12) is arranged on the cleaning cover (1). jet flow spray pipes (2) and crushing devices (5) are arranged on the same rotating shaft (4), and jet flow nozzles (3) are arranged on the jet flow spray pipes (2); and sewage outlets (7) are formed in the top of the cleaning cover (1), and filter screens (6) are arranged on the sewage outlets (7). Compared with a traditional underwater water jet flow cleaning device, the underwater jet flow cleaning device with the dirt crushing and recycling functions can achieve efficient and environment-friendly cleaning, recycling and safe conveying of large ocean structure dirt, and the problem that dirt is difficult to recycle is solved.

The invention discloses a blind window with a dustproof function. The blind window comprises an upper rail, blades, a lower rail and two hoisting ropes, wherein the upper rail and the lower rail are distributed in parallel; the plurality of blades are arranged between the upper rail and the lower rail; the upper rail is internally provided with a tubular motor; the tubular motor drives a coiled pipe to rotate; the coiled pipe is provided with two winders; each winder is wound by a lifting rope; each lifting rope stretches out of the upper rail and penetrates through each blade to extend to the lower rail; the blades are made of metal sheets; the upper rail is internally provided with a shunt; the shunt divides an input power line into two paths; one path drives the tubular motor to drive the coiled pipe to rotate; the other path is converted into direct current through an alternating-direct-current conversion device; an anode and a cathode of direct current are respectively connected into one lifting rope; the anode and the cathode are respectively connected to a resistor internally arranged in the lower rail through a direct-current power supply electrode; the resistor is welded with a plurality of electrodes; all the electrodes are mutually insulated; a lead wire bundle is combined by lead wires; and the lead wire bundle is led out from the lower rail and extends upwards, and penetrates through each blade to supply power to each blade.

The invention relates to a semiconductor chip pickup device with adjusting and positioning functions, including a moving plate, a processor, an air guide chamber, a suction pipe, a suction cup and a sensing mechanism. The air guide chamber is internally provided with an adsorption mechanism. The suction pipe is internally provided with a positioning mechanism. The air guide mechanism includes a fan, an adjusting rod, an adjusting assembly, a vent plate and a number of adjusting blocks. The positioning mechanism includes a cylinder, a first motor, a rotating shaft and two positioning assemblies. Each positioning assembly includes a contraction unit, a rotating rod, a side rod and a distance sensor. According to the semiconductor chip pickup device with adjusting and positioning functions, the relative positions of a chip and the suction cup can be determined through the positioning mechanism, so that the suction cup is located right above the chip after position adjustment by the movingplate, and the chip can be easily sucked up. Moreover, the compression degree of springs is detected by the sensing mechanism, so that the adsorption mechanism can change the relative positions of the adjusting blocks and through holes to adjust the adsorption force of the suction cup, and the chip is avoided being damaged by long-time excessive extrusion. The practicability of the equipment is improved.

The invention discloses an LED panel gripper adopting screw pressurization. The LED panel gripper comprises a fixing rod and a sucker fixed at the bottom of the fixing rod. A through hole communicated with the center of the sucker is formed in the center of the fixing rod. A piston and a threaded rod fixed at the upper end of the piston are arranged in the through hole. The threaded hole is in threaded connection with the inner wall of the through hole of the fixing rod. The upper end of the threaded rod extends out of the top of the fixing rod, and the upper end of the threaded rod is fixed on a rotating disc used for rotating the threaded rod. A handle is fixed on the outer wall of the fixing rod. Antiskid rubber coats the handle. According to the technical scheme, the sucker is adsorbed on an LED panel, the piston fixed at the lower end of the threaded rod is driven to move vertically through rotation of the rotating disk, and adsorption force of the sucker on the LED panel can be adjusted through vertical movement of the piston.

The invention relates to application of meat product processing, meat protein glycosylation and flavor regulation. According to the related application, the purpose of regulating and controlling the adsorption capacity of meat protein to flavor substances is achieved through glycosylation with reducing sugar and meat protein are used as raw materials, so that the adsorption capacity of the proteinto flavor substances such as aldehyde, ketone and ester can be enhanced through glycosylation of the meat protein. Compared with the addition of flavor enhancers such as monosodium glutamate, synthetic essence and the like, the method has the characteristics of safety, greenness and health; on the premise of reducing harm to human bodies, the requirements of people for different flavors of meat products can be met, and the method has a theoretical guidance effect on regulating and controlling the adsorption capacity of flavor substances through glycosylation in the processing process of the meat products so as to improve the flavor of the meat products.

The invention discloses a single-core low-speed four-wheel mini mouse sprint controller, comprising a battery device, a sensor device, a gyroscope device, a vacuum suction device and a control unit module; a pair of the four wheels of the mini mouse is positioned in the middle of the mini mouse, and the other pair is arranged on the tail part of the mini mouse; the gyroscope device comprises a gyroscope G1 and a speedometer A1; the gyroscope G1 is a three shaft gyroscope which is used for measuring movement of three rotation directions; and the speedometer A1 is a three-shaft speedometer used for measuring accelerated speed of three translational motions. The invention solves the slipping of the mini mouse during the walking through the vacuum suction device arranged under a chassis, and automatically adjusts the servo control of the vacuum suction DC motor M according to the marching speed of the mini mouse and the ground situation, so that the mini mouse is not limited to the ground situation of the maze.

The invention discloses a single-core low-speed four-wheel mini mouse exploration controller, comprising a battery device, a sensor device, a gyroscope device, a vacuum suction device and a control unit module; a pair of the four wheels of the mini mouse is positioned in the middle of the mini mouse, and the other pair is arranged on the tail part of the mini mouse; the gyroscope device comprises a gyroscope G1 and a speedometer A1; the gyroscope G1 is a three shaft gyroscope which is used for measuring movement of three rotation directions; and the speedometer A1 is a three-shaft speedometer used for measuring accelerated speed of three translational motions. The invention solves the slipping of the mini mouse during the walking through the vacuum suction device arranged under a chassis, and automatically adjusts the servo control of the vacuum suction DC motor M according to the marching speed of the mini mouse and the ground situation, so that the mini mouse is not limited to the ground situation of the maze.

The invention relates to a portable plunger latch which comprises fixed substrates, suction devices, positioning rods, a pair of lugs with holes and a lock bar. Each fixed substrate is provided with an adsorption groove, a connecting hole, a negative pressure suction hole, a swing slot and a locking arc-shaped groove; each suction device comprises an insertion rod, a screw, an annular soft plug and a clamping nut; each positioning rod comprises a cylindrical barrel, a mandril, a fine rod, a handle, a stopping part and a compression spring; the lugs with holes are separately arranged on the upper end surfaces of the fixed substrates; and the lock bar is inserted between the pair of lugs with holes. According to the portable plunger latch provided by the invention, the pair of fixed substrates are separately adsorbed to two parts needed to be locked, for example, the fixed substrates are arranged on the inner sides of a pair of door planks needed to be closed, so that a door is preventedfrom being opened outside by other people; the adsorption forces of the fixed substrates can be adjusted by means of the portable plunger latch; and the maximum adsorption forces of the fixed substrates can be also adjusted.

The invention discloses a double-core high-speed two-wheeled picomouse exploration controller, comprising a sensor device, a gyroscope device G, a vacuum suction device and a control unit module; the sensor device and the gyroscope device are both in signal connection with the control unit module; the control unit module is respectively in signal connection with motors X, Y and M. The controller solves the problem of skidding of a picomouse in walking through the vacuum suction device arranged under a chassis, and meanwhile automatically regulates the servo control of a vacuum suction direct current motor M according to the walking speed of the picomouse and ground conditions, thereby preventing the picomouse from being bound to labyrinth ground road conditions.

The embodiment of the invention provides a terminal adsorption control method and a terminal. The terminal comprises an MCU, a sensor, a current controller and a magnetic attraction assembly, and theMCU communicates with the sensor and the current controller. The method comprises the steps that the MCU obtains the sensing data collected by the sensor and the placement state, detected by the sensor, of the terminal; the MCU determines a magnetic force threshold value required to be generated by the magnetic attraction assembly by adopting the sensing data and according to the placement state;and the MCU controls the current controller to adjust the electrifying current of the magnetic attraction assembly, so that the magnetic attraction assembly generates the magnetic force greater than or equal to a magnetic force threshold value. According to the scheme, the magnetic force of the magnetic attraction assembly changes along with the change of electrified current, the current controller is controlled by the MCU to adjust the magnitude of the electrifying current of the magnetic attraction assembly, and the magnitude of the magnetic force generated by the magnetic attraction assembly is dynamically changed, so that the adsorption force of the terminal on the placement surface is dynamically adjusted, and the terminal can be flexibly placed and deployed under the condition of ensuring the firm adsorption.

The invention discloses a multifunctional perpendicularity and straightness detection device, and relates to the technical field of metering detection instruments. The multifunctional perpendicularityand straightness detection device comprises a sliding column arranged on a precision flat plate, wherein a sliding seat is arranged on the sliding column; the sliding seat is provided with a gauge clamping rod used for clamping an indicating gauge, and the bottom surface of the sliding column serves as a first reference surface A for measuring perpendicularity; the sliding column is provided witha sliding surface B which is matched with the sliding seat to slide, and a second reference surface C which is used for measuring straightness and parallelism; and the second reference surface C is parallel to the sliding surface B, and is perpendicular to the first reference surface A. Compared with the prior art, the sliding column is designed to be vertical and horizontal, and the sliding seatcan be conveniently taken down from the sliding column, so that the device has multiple detection functions, and the device not only is a perpendicularity measuring instrument, but also is a straightness measuring instrument, and can be also used as a standard square ruler, a standard leveling ruler or a standard parallel ruler. The multifunctional perpendicularity and straightness detection device is simple in structure and low in manufacturing cost.

The invention belongs to the field of sample grinding and polishing, and in particular, relates to a high-temperature stretching sample grinding and polishing device and an application method thereof. The device comprises a grinding and polishing device main body, a neodymium iron boron strong magnet, a sealing cover, a first stretching sample tank, a second stretching sample tank, and an absorption limiting device mounting tank, wherein the first stretching sample tank and the second stretching sample tank are across arranged on one side surface of the grinding and polishing device main body; the sealing cover is mounted on the other side end surface of the grinding and polishing device main body; a hollow groove is formed in the middle part of the grinding and polishing device main body as the absorption limiting device mounting tank of the neodymium iron boron strong magnet; and the neodymium iron boron strong magnet is mounted in the absorption limiting device mounting tank. The device is simple in operation and high in grinding and polishing stretching sample efficiency, greatly improves the surface quality of grinding and polishing stretching samples, and facilitates high-temperature stretching tests for the stretching samples.

The invention discloses a preparation method of a novel nanopore organic framework solid alkali material synthesized in one step by heating with a simple solvent. Pore diameter of the material prepared by the method is 5-30nm, pore volume is 0.3-1.44cm3 / g, specific surface area is 300-700m2 / g, and preparation and application field of the material can be further expanded by adjusting preparation conditions. The preparation method is simple and effective, so that a functional nanoporous divinyl benzene material with rich mesoporous structure can be synthesized in one step; imidazole or pyridineis taken as an alkali center, so that the problem that existing alkaline materials are poor in carbon dioxide adsorption performance is improved effectively.

The invention discloses a single-core low-speed four-wheel little mouse full-digital navigation servo controller comprising a chassis. A battery device, a sensor device, a gyroscope device, a vacuum suction device and a control unit module are arranged on the chassis. Two pairs of moving wheels are connected at the two sides of the chassis. One pair of the moving wheels are arranged at the middle part of the chassis, and the other pair of the moving wheels are arranged at the tail part of the chassis. The gyroscope device comprises a gyroscope G1 and an accelerometer A1. The gyroscope G1 is a triaxial gyroscope which is used for measuring movement of three rotating directions. The accelerometer A1 is a triaxial accelerometer which is used for measuring acceleration of three translational movements. The phenomenon of slipping of the little mouse in navigation can be solved by the vacuum suction device arranged below the chassis. Meanwhile, servo control of a vacuum suction DC motor M can be automatically adjusted according to advancing speed of the little mouse and the ground conditions so that the little mouse is enabled not to be limited by the ground conditions of a maze.

The invention discloses a double-core high-speed two-wheeled picomouse full digital navigation servo controller, comprising a chassis provided with a cell device, a sensor device, a gyroscope device G, a vacuum suction device and a control unit module; two sides of the chassis are in connection with motion wheels. The controller solves the problem of skidding of a picomouse in walking through the vacuum suction device arranged under the chassis, and meanwhile automatically regulates the servo control of a vacuum suction direct current motor M according to the walking speed of the picomouse and ground conditions, thereby preventing the picomouse from being bound to labyrinth ground road conditions.

The invention provides a stannic oxide (SnO2) membrane electrode material for a dye-sensitized solar cell and a preparing method thereof. A carbon sphere synthesized through a hydrothermal method is utilized as a formwork, alkali treatment is carried out on the carbon sphere formwork to enhance the adsorbing capacity of the surface layer of the carbon sphere formwork to stannic ions, meanwhile the concentration of precursor tin salt solution is regulated to prepare the stannic oxide multi-shell hollow sphere with two adjacent outmost shells, and the hollow spheres are utilized as the dye-sensitized solar cell electrode materials to increase transmission paths of light in the membrane electrode. The stannic oxide membrane electrode material has excellent light scattering capacity, improves the absorption rate of dye molecules to light and obviously improves the photoelectric converting efficiency of the dye-sensitized solar cell. In addition, the preparing method has certain universality. The Zno, TiO2, Co3O4, CuO and Fe2O3 multi-shell hollow sphere with the two adjacent outmost shells is prepared by changing metal precursor salt solution. The preparing method is convenient to operate, high in controllability and wide in application prospect.

The invention relates to an adsorption type plunger latch which comprises a pair of adsorption bases, a negative pressure generation device, a pressure adjusting device, lugs with holes and lock bars,wherein adsorption grooves are formed in the lower end surfaces of the adsorption bases, connecting holes are formed in the upper ends of the adsorption grooves, negative pressure suction holes are also formed in one sides of the adsorption bases, and rotating holes are formed in one sides of the negative pressure suction holes; the negative pressure generation device comprises a piston rod, a screw, an annular plug and a tightening nut, and a rack is formed in the side, close to the rotating holes, of the piston rod; the pressure adjusting device comprises a gear, a transmission shaft and ahandheld disc; and the lock bars are inserted into the pair of lugs with holes. According to the adsorption type plunger latch provided by the invention, the pair of adsorption bases is adsorbed to two parts needed to be locked, separately, and is then fixed by means of the lock bars. The plunger latch also can adjust the adsorption force and the sealing extent between the annular plug and the negative pressure suction holes.

The invention belongs to the field of sample grinding and polishing, and specifically relates to a high-temperature tensile sample grinding and polishing device and its use method. The device includes: the main body of the grinding and polishing device, the NdFeB strong magnet, the cover, the first tensile sample tank, the second tensile sample tank, and the installation slot of the adsorption limiting device. The specific structure is as follows: The main body of the grinding and polishing device The surface of one side is provided with the first tensile specimen groove and the second tensile specimen groove arranged crosswise. The other side of the main body of the grinding and polishing device is equipped with a cover. A hollow groove is provided in the middle of the main body of the grinding and polishing device as a neodymium iron. The adsorption limiter installation groove of the boron strong magnet is installed in the adsorption limiter installation groove, and the neodymium iron boron strong magnet is installed in the adsorption limiter installation groove. The device of the invention is simple to operate, has high efficiency in grinding and polishing the tensile specimen, greatly improves the surface quality of the grinding and polishing tensile specimen, and is more conducive to high-temperature tensile testing of the tensile specimen.