18results about How to "Improve fully" patented technology

The invention belongs to the technical field of ceramic materials, and particularly discloses whisker toughened zirconium oxide-aluminum oxide composite ceramic and an additive manufacturing method thereof, the composite ceramic comprises the following components by mass: 94 parts of zirconium oxide toughened aluminum oxide ceramic and 5 parts of silicon carbide whisker; the zirconium oxide toughened aluminum oxide ceramic is prepared from the following components in parts by mass: 76 parts of aluminum oxide and 24 parts of zirconium oxide, and 3mol% of yttrium oxide is added into the zirconium oxide. According to the whisker toughened zirconium oxide-aluminum oxide composite ceramic and the additive manufacturing method thereof, the preparation method has unique design of components and process, and the preparation of a high-density and high-performance ceramic-based composite material part based on a fused deposition modeling technology is successfully realized. Further, the prepared silicon carbide whisker toughened zirconium oxide-aluminum oxide-based composite ceramic has relatively high density and excellent obdurability.

The invention relates to the technical field of medical instruments, in particular to an enteric cavity segment filling controllable device for colon cancer preoperative T staging, which comprises a central mandrel, a flexible head end cap is arranged at the foremost end of the central mandrel, and a near-end balloon inflating pipeline, a far-end balloon inflating pipeline and a main pipeline which are mutually independent are arranged in the central mandrel; the near-end balloon is arranged on the central mandrel in a sleeving manner and is communicated with the near-end balloon inflating pipeline; the far-end balloon is arranged on the central mandrel in a sleeving manner, is positioned on the far side of the near-end balloon and is communicated with the far-end balloon inflating pipeline; at least two main pipeline lateral holes are formed in the tube wall of the central mandrel between the near-end balloon and the far-end balloon, are communicated with the main pipeline and are used for injecting a contrast agent or normal saline into the closed enteric cavity section between the two balloons. The near-end balloon and the far-end balloon are synchronously filled at the two ends of a target intestinal segment to form a closed segment, and a contrast agent is uniformly injected through lateral opening, so that the intestinal wall is fully expanded and does not collapse, and the display definition of the five-layer structure of the intestinal wall is remarkably improved.

The present application belongs to the field of textile printing and dyeing technology, and particularly relates to a polyester fabric continuous pad dyeing device and pad dyeing process, which comprises a pad dyeing frame; a feeding roller is arranged on one side of the top of the pad dyeing frame, and a tension roller is arranged below the feeding roller; through the design of a mixed turbulent flow component, the dye is delivered to the inner and outer rotating rods by a circulating pump to realize dye circulation; the fabric advances to drive the guide wheel to rotate, drives the first driving wheel and the first driven wheel, and makes the inner rotating rod rotate reversely; the spiral plate agitates the dye; at the same time, the motor drives the third driving wheel to drive the axial stirring rod to stir the dyeing liquid in the same direction; the outer rotating rod uniformly sprays the dye; the design of the staggered arrangement of the spiral plates, the liquid outlet holes and the diffusion holes further enhances the mixing effect; multiple components cooperate to stir the dye from multiple directions, avoids stratified precipitation, ensures uniform dye concentration, greatly improves the mixing efficiency compared with the traditional method, effectively solves the dyeing color difference problem, and significantly improves the dyeing uniformity and product quality.

The invention discloses battery-grade lithium carbonate as well as a preparation method and application thereof, and the preparation method comprises the following steps: synchronously introducing a lithium-containing solution and carbon dioxide bubble water into a reaction device, and reacting to obtain lithium carbonate; the carbon dioxide bubble water is prepared by adopting the following method: simultaneously introducing carbon dioxide and water into a shear pump, and shearing and mixing to prepare the carbon dioxide bubble water. According to the method, the traditional gas-liquid reaction that carbon dioxide is directly introduced into the lithium-containing solution is creatively transformed into a gas-liquid-liquid reaction system that carbon dioxide bubble water prepared in advance and the lithium-containing solution are synchronously introduced, so that the product purity and stability are remarkably improved, and the bottleneck of a traditional intermittent process is broken through; the preparation method is simple, the production capacity and efficiency are remarkably improved, industrial large-scale production is easy to realize, and the obtained product lithium carbonate crystal is complete in growth, concentrated and controllable in particle size distribution and regular in morphology, and meets the processing requirements of high-end battery materials.

This application provides a multimodal ultrasound intelligent identification method and precision diagnosis system for thyroid lesions. The method determines image data blocks with multimodal spatial registration and grayscale-contrast temporal alignment. Based on the grayscale ultrasound image sequence in the image data blocks, a first depth feature map of the target user's thyroid region is determined. A second depth feature map of the target user's thyroid region is determined based on the elastography map in the image data blocks. The hemodynamic spatial distribution characteristics of the parametric map in the image data blocks are captured to determine a third depth feature map of the target user's thyroid region. Cross-modal fusion is performed on the first, second, and third depth feature maps, and then the lesion segmentation mask, benign / malignant probability value, and risk classification of the target user's thyroid region are inferred and output in parallel. Using the scheme of this application, high-precision spatiotemporal alignment and cross-modal depth feature fusion of multimodal ultrasound images can be achieved to complete end-to-end intelligent identification of thyroid lesions.

The invention relates to the technical field of bleaching equipment, and provides high-concentration ozone water rapid bleaching equipment for cotton fabrics and an operation system.The bleaching equipment comprises a bleaching box, and the outer wall of the bleaching box is provided with an inlet and an outlet for a cotton fabric belt to pass through; the multiple sets of tensioning rollers are arranged in the bleaching box in a horizontally rotating mode and arranged at intervals, and each set of tensioning rollers is used for tensioning the cotton fabric belt so that the cotton fabric belt can make contact with the ozone water in the bleaching box completely. The equipment takes ozone water as a bleaching agent, pigment molecules are damaged by virtue of the strong oxidizing property of the ozone water to realize bleaching, the pigment molecules are reduced into oxygen after reaction, and the residual concentration does not need to be manually detected; and automatic monitoring can be realized by matching with the closed space of the bleaching box and an online detection system. Ozone water can efficiently bleach at normal temperature, and no high-temperature steam is generated; the built-in interval tensioning rollers can fully unfold the cotton fabric belt, so that the cotton fabric belt is in full contact with ozone water, and the bleaching uniformity is improved. Ozone bleaching products are water and carbon dioxide, so that sewage pollution is greatly reduced.

This invention discloses a segmented drum screen device for mineral processing, comprising a base, a storage box, a screening machine, and a mounting frame. The storage box and mounting frame are both fixedly connected to the base, and the screening machine is inclinedly positioned on top of the storage box. The screening machine includes a casing, a main shaft, and several circular screens. The main shaft is rotatably connected to the casing. Several connecting rods are fixedly connected between the circular screens and the main shaft. Several screen holes are evenly distributed on the circular screens. Baffles are rotatably connected between adjacent circular screens, and discharge holes are provided on the baffles. A drive gear is fixedly connected to one end of the main shaft, and a drive reduction motor is fixedly connected to the top of the mounting frame. A receiving box is provided inside the storage box, located below the corresponding circular screen. This invention employs a mechanical structure for mineral particle size classification. The inclination degree controls the mineral's movement speed, and the baffles control the classification and discharge speed, ensuring good classification results for minerals at each stage and improving the efficiency of mineral processing and classification operations.

The utility model provides a kind of control cable processing with plastic extrusion device, it is related to cable processing equipment technical field, including preheating mechanism, the outer surface wall of preheating mechanism is provided with stirring mechanism, preheating mechanism includes extruder main body, the input end fixed communication of extruder main body has feed pipe.The utility model in, under the interaction of each component of preheating mechanism, realizes the efficient preheating treatment of plastic particles and additive, ensures that material and heating water are fully contacted and are evenly preheated, and this preheating treatment mechanism effectively avoids the problem that plastic particles appear local overheating or uneven heating in cylinder, promotes that plastic molecular chain is fully unfolded and mixes evenly, ensures the consistency of melting process, to significantly reduce the generation of bubble, block and other defects in extrusion process, greatly improves the processing quality and production efficiency of cable.

The utility model relates to the technical field of oxygen-free copper rod processing, in particular to a melt purification mechanism for oxygen-free copper rod processing, which comprises a refining furnace body, a stirring component is arranged in the refining furnace body, the stirring component comprises a stirring shaft and a plurality of stirring blades, and a stirring motor for driving the stirring shaft to rotate is arranged at the top of the refining furnace body; a degassing assembly is arranged in the refining furnace body and comprises a plurality of degassing pipes, each degassing pipe is provided with a plurality of evenly-distributed air nozzles, and the degassing pipes are connected with an inert gas source through pipelines. A filter box is arranged below the refining furnace body, a multi-stage filter assembly is arranged in the filter box, and the multi-stage filter assembly comprises a coarse filter screen, a middle filter screen and a fine filter screen which are sequentially arranged from top to bottom; a cleaning assembly is arranged at the top of the filter box and comprises a plurality of cleaning brushes, and the cleaning brushes are correspondingly arranged over the coarse filter screen, the medium filter screen and the fine filter screen respectively; through the synergistic effect of stirring, degassing, multi-stage filtering and automatic control links, the purification efficiency and quality of the oxygen-free copper melt are improved.

This invention relates to the field of cable tray technology and discloses a cable tray capable of cable bundling, comprising a cable tray body and electrical components installed inside the cable tray body. A retainer is installed on the inner wall of the cable tray body, and a sliding groove is formed on the retainer. A cable bundle slider is slidably installed in the sliding groove. A first bearing seat is slidably installed on the cable bundle slider, and a first wire roller is installed on the first bearing seat. A first protrusion is connected to the outer side of the middle part of the first bearing seat, and a first connecting rod is sleeved on the first protrusion. A second protrusion is sleeved on the end of the first connecting rod away from the first protrusion. The cable bundle is installed in a Z-shape between the first wire roller and the second wire roller, which increases the cable bundle arrangement range. The outer circumferences of the multiple first and second wire rollers are all circular with a large curvature, which will not cause damage to the cable bundle.

This utility model belongs to the technical field of vibratory yarn spreading devices, specifically a tension-adjustable vibratory yarn spreading device, including a mounting base, a vibratory spreading roller one, and a vibratory spreading roller two. Guide rollers and combing rollers are connected to both sides of the mounting base, respectively for guiding and combing the yarn. Vibratory spreading roller one and vibratory spreading roller two are arranged inside the mounting base to vibrate and spread the yarn. Both ends of vibratory spreading roller one are connected to a moving frame one. This utility model achieves full spreading of the yarn by vibratory spreading roller one and vibratory spreading roller two during the spreading process by adjusting the speed and working time of the speed-regulating motor. A pressure sensor is installed inside the moving frame two to prevent collisions and excessive compression between the moving frames one and two during resetting. Guide columns and guide rods are provided to improve the stability of the moving frames one and two during vertical movement.

The invention discloses a multi-mode active weapons capturing protective shield, and belongs to the technical field of security and protection instruments. The protective shield comprises a shield main body, a capturing net system, a compressed air emission system, a sensing and control system and a rapid separation mechanism. The capturing net is of a three-dimensional net structure, is embedded with a magnetic unit and can be unfolded into a bowl shape or an umbrella shape; the launching system comprises five gun barrels with specific layout and is driven by compressed air to launch; the sensing system comprises a pressure / vibration sensor and a manual trigger button and supports automatic and manual dual-mode triggering; the rapid separation mechanism is in an electromagnet attraction mode, and rapid separation of the capturing net and the shield is achieved. The passive defense limitation of a traditional protective shield is broken through, the blocking, capturing and separating functions are integrated, a non-fatal capturing mode is adopted, the structure is compact, the man-machine engineering is good, weapon can be instantly wound and adsorbed, actions of an assault are limited, the device is particularly suitable for sensitive places such as hospitals and schools, and safety and practicability are outstanding.

The application relates to a preparation method and application of a high-resistivity wide-temperature low-loss MnZn ferrite. The MnZn ferrite material is composed of main material and auxiliary material, wherein the main material comprises 52.8-53.8 mol% of Fe2O3 and 37.2-38.2 mol% of MnO, and the balance is ZnO; the first auxiliary material comprises 0.2-0.4 wt% of CaCO3 based on the weight of the main material, 0.03-0.06 wt% of ZrO2 based on the weight of the main material, 0.05-0.07 wt% of HfO2 based on the weight of the main material and 0.1-0.3 wt% of TiO2 based on the weight of the main material; the second auxiliary material comprises 0.04-0.07 wt% of Bi2O3 based on the weight of the main material. The preparation method is an oxide ceramic method, a segmented multi-step heat preservation method is adopted in the sintering stage, and the prepared MnZn ferrite has the characteristics of uniform crystal grains, few pores, high resistivity and low loss in a wide temperature range (25-120 DEG C).

This application discloses a method for preparing a graphene / carbon nanotube composite slurry and its application, relating to the field of electrochemical sensing. The method includes: S1, placing multi-walled carbon nanotubes in concentrated sulfuric acid, reacting, washing with deionized water until neutral, and drying to obtain carboxylated carbon nanotubes; S2, adding the carboxylated carbon nanotubes to thionyl chloride, stirring the reaction, rinsing with tetrahydrofuran, and drying to obtain acyl chloride-based carbon nanotubes; S3, mixing the following components: 4.0-6.0% multi-walled carbon nanotubes, graphene microsheets... 0.2-1.0%, dispersant 0.5-1.0%, melamine 3.0-6.0%, balance NMP; S4, add graphene oxide / carbon nanotube filter material to dilute hydrochloric acid solution for acid washing and purge with nitrogen bubbles, stir evenly, filter, dry, and repeat 4 times. Mix and disperse each component in N-methylpyrrolidone to improve the uniformity of the mixture. Carbon nanotubes and graphene microsheets are uniformly dispersed in NMP to reduce the possibility of agglomeration and break up the already agglomerated groups.

This invention provides a coaxial double-layer cannula controllable skin-piercing puncture needle for vascular intervention, comprising a handle, an inner puncture needle tube, and an outer incision cannula body. The proximal end of the inner puncture needle tube is connected to the handle, and the distal end of the inner puncture needle tube is a puncture tip. The outer incision cannula body is sleeved outside the inner puncture needle tube and can slide along the axial direction of the inner puncture needle tube. The distal end of the outer incision cannula body is provided with a cutting edge. At least one protective protrusion is provided on the outer wall of the distal end of the inner puncture needle tube. The maximum radial dimension of the protective protrusion is larger than the inner diameter of the outer incision cannula body, which is used to axially block the outer incision cannula body to prevent the cutting edge of the outer incision cannula body from contacting the blood vessel wall.

The application provides a high-flame-retardant wear-resistant nylon engineering blanket printing production device, which comprises, in sequence along a feeding direction, an upper blanket mechanism, an inkjet mechanism, a high-temperature color fixing mechanism and a washing mechanism. The upper blanket mechanism comprises, in sequence along a feeding direction, an unfolding assembly, a soaking assembly and a pressing assembly. The inkjet mechanism comprises a conveying assembly, a nozzle assembly and a moving assembly. The conveying assembly comprises a conveying frame, a front conveying roller group arranged on the front side of the conveying frame and a rear conveying roller group arranged on the rear side of the conveying frame. The moving assembly is arranged on the upper side of the conveying frame. The nozzle assembly is mounted on the moving assembly and is driven by the moving assembly to move on the base blanket to print patterns. The unfolding assembly is arranged. A loose winding motor drives a loose winding roller to rotate and drive the base blanket roll to be automatically loosened. The unfolding frame can unfold the base blanket and flatten the base blanket from a curled state. Then, the base blanket is conveyed in a forward direction and a reverse direction through a plurality of unfolding rollers to ensure that the base blanket is fully unfolded for printing.

This invention discloses a semiconductor device and its fabrication method. It provides a semiconductor substrate with a conductive structure. On the semiconductor substrate, a plug connected to the conductive structure is fabricated above it. An impregnation layer, which is an intermetallic compound, is formed on the surface of the semiconductor substrate with the plug. The intermetallic compound contains a metal wire element, an anti-electromigration metal element, and a bonding metal element. An upper metal layer containing the metal wire element is formed above the impregnation layer. The impregnation layer and the upper metal layer are patterned to obtain interconnects connecting the conductive structure. This invention enables the formation of a uniformly thick impregnation layer and upper metal layer, thereby improving reliability in areas such as electromigration and stress migration, and ensuring the quality of semiconductor products.

This utility model relates to a roller shutter device, belonging to the field of agricultural facility technology, specifically a roller shutter device for agricultural greenhouses. It includes multiple sets of columns, with a truss fixedly installed at the ends of every two adjacent columns, and a glass outer wall fixedly installed between every two adjacent columns and trusses. It also includes a winding assembly. This utility model achieves the desired high-strength roller shutter performance, such as the rolling effect of heavy-duty insulation curtains, while simultaneously solving problems such as motor blocking light, large space occupation, and end-interference. It addresses the shortcomings of existing greenhouse curtain rolling devices, which use built-in tubular motors, resulting in low power and poor durability, making them unsuitable for high-strength roller shutters. Furthermore, external fixed motors, connected to the roller shutter tube via swing arms, occupy a large space, block light, and are unsuitable for confined spaces.