Abstract: The invention discloses a phosphorus nitride adsorbent with high-efficiency selectivity, and its application thereof. The phosphorus nitride adsorbent has a mutually cross-linked hollow tubular structure. The adsorbent can have an adsorption capacity of 435.58 mg·g?1 and 7.01 mg·g·1 for spiked seawater and natural seawater with a uranium concentration of 350 ppb, and the adsorbent has a long service life, and can still maintain 91.14% of the initial adsorption capacity after 5 cycles of adsorption and desorption. Taking into account the advantages of a short material preparation cycle, a wide range of raw material sources, a low cost, an excellent adsorption performance, and long service life, the adsorbent can be used in technical fields such as uranium-containing wastewater treatment, uranium ore resource recovery, uranium extraction from seawater and the like.

Abstract: A method for preparing a pair of personalized three-dimensional (3D) printing medical isolation goggles includes the steps of S1: establishing a medical isolation goggles matrix; S2: acquiring the facial data of a user; S3: establishing a personalized medical isolation goggles model; S4: performing additive manufacturing, wherein a pair of medical isolation goggles is provided with high personalized fitness and high breathability for patients with eye diseases such as conjunctivitis, virus-susceptible patients, front-line clinical medical workers and related workers, and the compression damage to the face caused by the wearing of the medical isolation goggles for a long time is reduced in terms of fitness and comfort, where the medical isolation goggles are manufactured in a mode of additive manufacturing, small-batch rapid production can be performed after data merging, and a large number of processes and costs are reduced in the production cycle.

Abstract: The present invention discloses a ceramic photosensitive resin based anti-precipitation three-dimensional (3D) printing apparatus, including a trough having a light transmitting area at the bottom, a projector directly below the light transmitting area, a printing platform directly above a containing cavity of the trough, a first lifting drive device for driving the printing platform into or out of the containing cavity, a lifting frame, a disturbing wheel mounted on the lifting frame and protruding downward from the lifting frame, a second lifting drive device for driving the lifting frame together with the disturbing wheel to reciprocate in the containing cavity, a rotating motor located outside the containing cavity and having an output shaft passing through the trough in a sealed manner, a friction driving wheel located in the containing cavity and mounted on the output shaft, and a friction driven wheel mounted coaxially with the disturbing wheel.

Abstract: An integrated flattening, cutting, and collecting assembly includes a frame, a conveyor seat, and a processing rack. The processing rack is provided with a flattening cylinder and cutting cylinders, a flattening block cooperating with a steel sheet being conveyed by the conveyor seat, a cutting lift seat disposed beneath the cutting cylinders, the cutting lift seat being provided with a cutter and cutting pressing blocks, and wherein the distance between the two cutting pressing blocks is smaller than the length of the flattening block. In addition, the lower end of the cutter is disposed beneath the lower ends of the cutting pressing blocks, and this distance is the same as the thickness of the steel sheet being conveyed. The cutting pressing blocks can press and hold the steel sheet during cutting, while not affecting the cutting of the cutter, whereby the accuracy of the steel sheet cutting is greatly improved.

Abstract: The present invention provides a preparation method for gold nanoparticles based on functionalized ionic liquid. The method comprises synthesizing a functionalized ionic liquid, 3-(12-bromo-dodecyl)-1-(3-pyrrole propyl)-imidazole bromide, as a stabilizer for synthesizing gold nanoparticles, adjusting the concentration of the ionic liquid and the dosage of the reducing agent, thereby successfully preparing the icosahedral gold nanoparticles, and characterizing the morphology thereof by TEM, XRD and SEM. In the present invention, the method employed for preparing the stabilizer is simple, non-toxic, harmless and pollution-free, moreover the preparation of gold nanoparticles by aqueous phase has the advantages of mild conditions, short reaction time, simple operation, green and pollution-free, and belongs to the environment-friendly preparation.

Abstract: The present invention relates to a fault detectable sheet body fixed distance conveying and punching assembly, which may include a rack, a conveying trough seat, a feeding trough, a processing rack and a punching device. On the rack is provided a feed motor and a feed screw. The movable feeding block is sleeved on the feed screw and the movable feeding seat is fixedly connected to the movable feeding seat. On the movable feeding seat is provided a feed lifting cylinder and on the feed lifting cylinder is provided a feed lifting block. On the feed lifting cylinder are equally provided feed blocks which may go through the feeding trough. On the processing rack is also provided a position detecting device which may include a detecting lifting cylinder provided on the processing rack. Under the detecting lifting cylinder is connected the detecting block. On the both sides of the detecting block is provided an acoustic wave range finder.

Abstract: An accurately positionable computer host power-on detection machine comprises a detection box with an opening on the left side, the detection box is internally connected with a detection discharge block through a lifting device, the right part of the detection discharge block is provided with a positioning interception block, the height of the positioning intercept block is the same as the host and the center of the positioning interception block is provided with a detection port of 0.6-0.8 times the size of the rear side plate of the host, the inner side of the upper plate of the detection box is connected with an upper limit plate through a connecting plate, the detection box is provided with a positioning and clamping device cooperated with the left and right side plates of the host, and the inner side of the right side plate of the detection box is provided with a detection device which enables a detection insert block to move horizontally left and right.

Abstract: The present invention relates to an automatic package device, which may include a rack and a power control box provided on the rack. The cutter blade transportation device is provided on the rack along the X axis direction. Below the cutter blade transportation device and inside the rack, lower film feeding device is provided. At the rear side of the rack, the upper film feeding device is provided. At the front end of the cutter blade transportation device and on the rack are provided a blade feeding rail and cutter blade carrying device cooperating with each other. At the rear end of the cutter blade transportation device is provided a film sealing device which cooperates with the upper film feeding device and lower film feeding device. At the rear end of the film sealing device and on the rack is provided a dragging device fitting the blade strip. At the back side of the dragging device is provided a transverse cutting device fitting the blade strip.

Abstract: The present invention relates to an automatic terminal fitting device for four-pin electrical connector which may comprise a rack, power control box and conveying device provided on the rack. A rubber shell vibration disc, a terminal fitting mechanism, and a back cover vibration disc are provided on the rack along the transporting direction. The rubber shell vibration disc is connected to the front end of the conveying device by a rubber shell transportation rail. The terminal fitting mechanism is provided on the back side of the conveying device and engages with the terminal feeding device provided on the rack. The back cover vibration disc is provided on the back side of the conveying device, to the right side of the terminal fitting mechanism. And the terminal fitting mechanism may include four sets of terminal fitting devices sequentially provided on the back side of the conveying device.

Abstract: The present invention relates to the field of SMT splicing belt processing equipment, and more particularly to a bonding machine for new and old SMT splicing belts. The machine comprises a supporting plate for supporting the old and new splicing belts, conveying devices for conveying the old and new splicing belts toward one another, and a bonding mechanism for bonding the old and new splicing belts together, the conveying devices and the bonding mechanism both being connected to a controller.

Abstract: An electrically controlled mixing and blending apparatus featuring high corrosion resistance and mixing efficiency includes a housing, a first bearing engaged to both sides of the housing, and the interior of both first bearings being coupled to a first rotating shaft, a second bearing engaged to a surface at the middle of the first rotating shaft and the interior of the second bearing being engaged to a surface of an output shaft of a first motor output shaft. Both sides of the first motor are fixedly coupled to a surface of the first rotating shaft through a first fixed rod. A gear drives the first motor, a blending rod and a stirring rack to swing in the front-rear direction through the first rotating shaft to increase the turbulence of the liquid raw materials, reduce the time required for mixing raw materials, and improve the production efficiency.

Abstract: An automatic assembly machine fora combined control button, includes a frame, a power distribution control box, a turntable and turntable drive disposed on the frame so as to fit with each other, wherein the base fixtures fitting controller bases are evenly disposed along the circumference of the turntable; the front side of the frame located at the right side of the turntable is disposed with a base feeding mechanism; the rear side of the base feeding mechanism located on the frame is provided with a base transportation device fitting with the base fixtures; and the left side of the base transportation device along the rotating direction of the turntable is provided with a button assembly mechanism cooperating with the base fixtures.

Abstract: The present invention relates to a descending type ceramic 3D printer comprising a rack, the middle part of the rack is provided with a charging block sealed with the four sides thereof, the lower part of the charging block is connected with a lifting device for printing, the lifting device for printing is mounted on the lifting mounting block arranged at the lower part of the rack, the upper left side of the rack is provided with a scraping device cooperating with the material in the charging block, the upper right side thereof is provided with a mounting rack, the mounting rack is provided with a light spot emission device and a light transmission block that cooperate with each other, and the mounting rack is further provided with a discharging device; the present invention aims to provide a descending type ceramic 3D printer in which the light transmission block and the light spot emission device are arranged above the charging block so that the charging block are descended gradually to realize the printin

Abstract: Disclosed is a temperature adjusting method for instant heating or cooling with an energy-saving water dispenser, the method including: installing a water dispenser, which includes a heating device, a control processor, etc.; coupling a water inlet to a tap water pipe and heating the water to 100° C., where the produced boiling water is split into two branches, one flows out from a high-temperature water outlet; the other branch flows through a preheater and performs heat exchange with cold water to achieve a temperature drop thus forming warm boiled water, which enters a refrigeration unit to be cooled to 5° C. When the user sets a single-time output water temperature and amount within an effective range, the control processor automatically matches the corresponding working mode and provides an accurate output according to the user-set single-time output water temperature and amount. There is further disclosed a water dispenser.

Abstract: The present invention discloses an integrated and automatic eyeglass temple assembly device, including a left table frame and a right table frame. The left table frame and the right table frame are respectively provided with a frame, and each upper end of the frame is provided with a hinge feeding tray. The left table frame and the right table frame are respectively provided with a temple box, a clamping mechanism and a single temple holding assembly. The mounting slot of the temple is located between the temple clamping pushing plate and the temple holding assembly, the movable slot is at the same level with the mounting portion of the hinge, and each temple box is provided with a temple feeding cylinders.

Abstract: The present invention relates to an integrated paint bucket cleaning and drying machine, including a frame and a conveying carrier tape, the conveying carrier tape is disposed with a loading port matching with the paint bucket. The upper part of the frame is sequentially provided with a cleaning mechanism and a drying mechanism and on the frame located under the cleaning mechanism and the drying mechanism is disposed a fixing device. The cleaning mechanism includes a cleaning lift cylinder disposed on the frame, a cleaning machine matching with the paint bucket is connected below the cleaning lift cylinder, and the cleaning lift cylinder is matched with the cylinder rotating device disposed on the frame. The drying mechanism includes a drying lift cylinder disposed on the frame, a drying machine matching with the paint bucket is connected below the drying lift cylinder. The drying lift cylinder is matched with cylinder rotating device disposed on the frame.

Abstract: The present invention relates to the field of take-out food cases, more particularly to a take-out food case for keeping food fresh. The principle is as follows. The temperature information of the heat insulation portion is detected and fed back to the temperature controller by the thermocouple probe. When the detected temperature is lower than the minimum temperature preset by the temperature controller, carbon fiber heating pipes are controlled to heat the food by the temperature controller. When the temperature inside the heat insulation portion reaches to the maximum temperature preset by the temperature controller, carbon fiber heating pipes are controlled to stop heating by means of the temperature controller. When the take-out food case for keeping food fresh is not in use, ultraviolet sterilizing lamps are controlled to perform regular sterilization for the take-out food case by means of the timer.

Abstract: The invention relates to a quinoid conjugated polymer and a preparation method and application thereof. The quinone conjugated polymer is a novel quinoid polymer connected by C?C double bonds and has good conductivity. The monomer used to prepare the quinoid conjugated polymer contains at least two carbonyl groups. The preparation method is simple and does not require oxidation treatment or doping. The quinoid conjugated polymer can exhibit conductivity without being oxidized or doped, can be prepared quickly and conveniently, and can be applied to optoelectronic devices, thus achieving high application value.

Abstract: A bonding machine capable of trimming new and old SMT splice tapes comprises a supporting plate (1). A new splice tape conveying device (3) and an old splice tape conveying deVice (4) are disposed upon the supporting plate (1) are disposed opposite each other. A lifting device (8) is disposed in the middle of the supporting plate (1), and a bonding mechanism (7) is disposed above the lifting device (8). A cutting device (6) is disposed above the old splice tape conveying device (4) and comprises a cutting seat (60), a cutting motor (61) disposed upon the cutting seat (60), and a cutting cam (62) connected to a cutter (64) which is disposed upon the cutting seat (60).

Abstract: The present invention relates to a conveying accuracy related fault detectable integrated sheet body punching and grinding assembly, including frame, conveying trough seat and processing frame. The processing frame is provided with a punching device and a grinding device, the frame is provided with a feed motor and feed screw. The feed screw is sleeved with a movable feed block; the movable feed block is fixedly connected with a movable feed seat, and the movable feed seat is provided with a feed lift cylinder, the feed lift cylinder is provided with a feed lift block. The feed lift block is evenly disposed with feed blocks that are capable of passing through the feed conveying trough, and a vertically oriented beam emitter is disposed on the portion that the feed lift block corresponds with the grinding device.