32results about How to "Meet the needs of various applications" patented technology

The invention provides a high-strength and high-Gd-content deformed magnesium alloy and a preparing method thereof. The magnesium alloy comprises the following elements of Mg, Gd, Zn and one or more kinds of Y, Zr and Mn. The preparing method includes the following steps that a magnesium alloy cast ingot high in Gd content is prepared; after the magnesium alloy cast ingot is subjected to two steps of T4 solution treatment, quenching is conducted at the temperature ranging from 80 DEG C to 100 DEG C, and a T4-state magnesium alloy cast ingot is obtained; the T4-state magnesium alloy cast ingot is subjected to different-temperature extrusion forming and is then quenched at the temperature ranging from 15 DEG C to 30 DEG C, and a bar or plate is obtained; and the bar or plate is subjected to cold rolling and cold drawing deformation at the room temperature, then artificial aging is conducted, and a T10-state deformed magnesium alloy, namely the high-strength and high-Gd-content deformed magnesium alloy is obtained. According to the high-strength and high-Gd-content deformed magnesium alloy and the preparing method thereof, the preparing technology is simple, the performance is stable, the success rate is high, the production efficiency is high, and the high-strength and high-Gd-content deformed magnesium alloy and the preparing method thereof are easily applied to industrial production.

This invention discloses a high resolution video ultra strong compression coding/decoding method. Said method includes decomposition of input video and extracting character by small wave change, ordering, quantizing, compressing quantized result in frame and transmitting, separating object from image, predicting next frame, comparing predicted result with input video of next frame, removing same object to obtain residual signal to obtain higher compression ratio, said residual signal used as input video for next circulation. Said invention has higher compression ratio and safety.

The invention discloses a large vacuum annealing furnace which is composed of a furnace body, a heating device, a feeding system, a vacuum system, a cooling system and an electric control system, wherein the heating device is arranged in a furnace pipe; the feeding mechanism comprises a feeding trolley, a trailer wagon, a rack and a guide rail along which the rack moves back and forth; the feeding trolley moves back and forth along a steel rail laid in front of a furnace door under the action of a travelling mechanism; the rack travels on the guide rail by a roller row which is composed of a plurality of parallel rollers, and each roller is connected with a roller row frame by a shaft; the vacuum system is used for maintaining the vacuum degree of each annealing stage in the furnace body; the cooling system at least comprises a cooling water system for cooling each group of heaters; the heating device is composed of a plurality of heaters which are mutually and movably connected, and the heaters are installed in the furnace pipe in order; multiple layers of heat shields are arranged between each group of heaters and the inner wall of the furnace pipe; and the a guide rail along which a feeding rack moves back and forth is provided with a group of dismountable sectioned racks which are movably connected.

The invention relates to a convertible walking mechanism of a robot, solving defects existing in a single walking mechanism, wherein each transmission chain part is controlled through the adoption of concentric shafts; each transmission interior shaft is directly connected with a track driving wheel in a track type structure and a wheel in a wheel type structure through flat keys; each track covers the track driving wheel and a track guide wheel; the track driving wheel and the track guide wheel covered by each track are fixedly arranged in each track bracket; each transmission exterior shaft is fixedly connected with the track bracket through screws, so that the swing of each track type structure is realized; and a track auxiliary wheel in each track type structure is fixedly arranged on a track auxiliary wheel supporting frame and connected in series with a motor together with two connecting bars through dowels for the formation of a four-bar mechanism group. The convertible walking mechanism of the robot is simple in mechanical structure, high in transmission efficiency and strong in adaptation ability, and can be applicable for various-condition road surfaces; and therefore, the application prospect is wide.

The invention discloses Mg-Li-Al-Zn-Y-based cast magnesium-lithium alloy and a heat treatment method thereof. The magnesium-lithium alloy comprises, by mass, 5-10% of Li, 2-4% of Al, 1-3% of Zn, 1-2%of Y, 0.2-0.8% of Zr, 0-0.05% of Ti, and the balance Mg and unavoidable impurities. By introducing Al and Y to form an Al2Y heat-resistant strengthening phase, the strength and thermal stability of the magnesium-lithium alloy can be significantly improved; meanwhile, by adding Zn, solid solution strengthening can be promoted; by adding trace Zr and Ti, the effect of refining grains can be achieved. The invention also relates to the heat treatment method of the magnesium-lithium alloy. The method comprises the steps of two-stage solid solution treatment and aging treatment, wherein solid solution treatment is performed at 280-420 DEG C for 2-8 hours, then solid solution treatment is performed at 200-270 DEG C for 0-16 hours, and water cooling is performed; finally, aging is performed at 50-150 DEG C for 0-40 hours, and air cooling is performed. The magnesium-lithium alloy is simple in process and can be applied to the fields of aviation, aerospace, military industry, electronics and thelike.

The invention relates to antibacterial microemulsion gel and a preparation method thereof. The preparation method of the microemulsion gel takes a Pickering emulsion as a template, and comprises the following steps of (1) preparing a continuous phase which is composed of distilled water, gelatin nanoparticles, aminoglycoside antibiotics and oxidized polysaccharide; and (2) adding a dispersion phase containing antibacterial essential oil into the continuous phase, performing emulsifying to obtain the Pickering emulsion, and performing reaction crosslinking for a certain time to obtain the antibacterial microemulsion gel. The constructed microemulsion gel is intelligent microemulsion gel administrated as required, the release of the antibiotics and antibacterial essential oil can be regulated and controlled according to in-vitro environmental conditions, the antibacterial activity is high, and the microemulsion gel can be applied to the biomedical fields of drug controlled release systems, medical dressings and the like.

The invention discloses an implementation method of a solid state disk based on cascade architecture. The implementation method comprises the following steps that: S1: an SSD (Solid State Disk) controller is connected with a plurality of cascade storage mechanisms in parallel, and each cascade storage mechanism adopts a plurality of storage devices to form a multi-level architecture in a bus cascade mode through self interfaces of the storage devices; S2, when the SSD controller sends a storage task to the cascade storage mechanism, each storage device monitors a bus signal and judges whetherthe storage task is a storage task of the storage device or a cascade link node of the storage device or not; and S3, when any storage device sends data to the SSD controller or a subordinate node ofthe SSD controller, the storage device actively sends an instruction to preempt the bus control right, and chip selection is realized through the instruction. By adopting the technical scheme of the invention, a plurality of storage devices are cascaded step by step through the standard interface, so that the storage capacity can be infinitely expanded theoretically to meet the requirements of various applications; and meanwhile, the implementation complexity of the solid state disk is further reduced by adopting standard interface cascading.

The invention discloses a big data storage implementation method. The big data storage implementation method comprises the following steps: S1, adopting a plurality of storage devices to form a large-scale storage mechanism of a multi-level architecture through bus cascading in sequence; S2, during data storage, adopting each storage device to monitor the bus and acquire a storage task matching the storage device; and S3, forwarding the obtained storage task to other storage devices cascaded with the storage task through a bus. By adopting the technical scheme of the invention, the cascade control algorithm is built in the storage device, so that cascade can be realized through a standard interface, and the storage capacity can be infinitely expanded theoretically to meet the requirementsof various applications; and meanwhile, standard interface cascading is adopted, so that the complexity of circuit implementation is further reduced.

The invention discloses an intelligent rehabilitation bracelet based on an attitude sensor and a gesture control system. The intelligent rehabilitation bracelet is composed of a processor module, a wireless communication module, a power module, a health monitoring module and an attitude detection module, wherein all the modules are integrated on a PCB, and sensor original data at the wrist is obtained in real time; and the data is transmitted to the processor module through a near field communication protocol. According to the invention, the attitude sensor and the attitude calculation algorithm are applied to the field of smart bracelets, the application range of the smart bracelet is expanded, and the gesture control system based on the smart bracelet improves the diversity and adaptability of rehabilitation equipment control. A user is allowed to wirelessly control rehabilitation equipment through various gestures, a rehabilitation object can perform rehabilitation training and life to a certain extent, diversified control modes can meet the requirements of various application occasions, great convenience is brought to the rehabilitation object, and the system has good application prospects in the fields of medical treatment, rehabilitation, disabled helping and the like.

The invention discloses a dual-frequency dipole antenna, which includes a substrate, a grounding area, a radiation body, a grounding point and a feeding point. The ground area can be disposed on the substrate. The radiating body can be adjacent to the grounding area, can be arranged on the substrate, and can include a first radiating body and a second radiating body, the first radiating body can be connected to the second radiating body, and the first radiating body and the second radiating body can There may be a groove between the bodies, and the size of the radiation body may be asymmetric to the size of the grounding area. The grounding point can be arranged on the substrate and can be connected to the grounding area. The feed-in point can be arranged on the substrate and can be connected to the radiation body, and the ground point and the feed-in point can be arranged adjacent to each other.

The invention belongs to the technical field of chemical coatings, and discloses a preparation method of a waterborne epoxy resin dispersion. Hydrophilic groups are introduced into solid epoxy resin molecules to form a block molecular structure with the solid epoxy resin, then ring-opening and ring-closing reactions are carried out through epoxy chloropropane, and finally the obtained modified epoxy resin keeps the structural characteristics and reaction activity of the solid epoxy resin. And finally, extending of groups with reaction activity and hydrophilicity to a water phase in a manner of slowly dropwise adding water and dispersing at a high speed, and extending of the solid epoxy resin in the block and the unmodified solid epoxy resin to an oil phase are carried out, so that the stable water borne epoxy resin dispersion is obtained. The waterborne epoxy resin dispersion prepared by the method does not contain volatile organic solvents, and is high in solid content, low in viscosity, good in storage and dilution stability and convenient to transport and use. The waterborne epoxy coating prepared from the epoxy resin has good adhesive force, good salt fog resistance and excellent chemical resistance.