10results about How to "Solve the penetration problem" patented technology

The utility model belongs to filter device technical field, concretely relates to a gradient magnetic attraction filter device, including the casing, the casing is opened out the hollow slot, the first plane is opened in hollow slot inner wall, four round stoppers are set up on the first plane and along the casing height direction, and the first pull -out tray, second pull -out tray, third pull -out tray and fourth pull -out tray are successively slidably installed to the stopper, the first pull -out tray, second pull -out tray, third pull -out tray and fourth pull -out tray set up the second plane to the first plane, the second plane is opened the rectangular slot, the round groove is set up to the rectangular slot end, the rectangular slot width is less than the diameter of round stopper, quartz sand plate is set up in the first pull -out tray, biomass activated carbon plate is set up in the second pull -out tray, magnetic biomass activated carbon plate is set up in the third pull -out tray, and fluffy cotton board is set up in the fourth pull -out tray.

The utility model discloses a keel with a high sound insulation effect, which relates to the technical field of keels and comprises a keel frame, the keel frame is S-shaped and is symmetrically provided with two groups of rock wool, an installation space is reserved between the two groups of rock wool, and a fire-resistant gypsum board is arranged on the keel frame. The three sets of fire-resistant gypsum boards are located on the two sides and the middle of the keel frame respectively, the middle of the keel frame is provided with a sound insulation felt, and by arranging the sound insulation felt, when the keel with the high sound insulation effect is used, the sound insulation felt is arranged in the space between the two sets of rock wool and located in the middle of the keel frame; the sound insulation felt can effectively prevent sound from spreading, can absorb sound wave energy in the air, and reduces the possibility that the sound penetrates into other areas or rooms, so that the problems that a single partition plate material is poor in sound insulation effect, and sound spreading and penetrating can be caused due to lack of sound insulation materials are effectively solved.

This invention provides a method and application for the efficient determination of functional components in Acer truncatum leaves, relating to the field of plant functional component detection technology. The method includes the following steps: (1) two ultrasonic-assisted extractions using 70% methanol, followed by merging the extracts; (2) detection using high-performance liquid chromatography-tandem mass spectrometry. This invention achieves simultaneous, accurate, rapid, and stable detection of multifunctional components in Acer truncatum leaves.

The present invention discloses a pressure isolation device for preventing steam penetration, which belongs to the field of refrigerators or heat pump systems; wherein a U-tube inlet section, a U-tube cooling section and a U-tube outlet section are sequentially connected, the U-tube inlet section is connected to the high-pressure cavity liquid refrigerant water outlet, and the U-tube outlet section is connected to the low-pressure cavity liquid refrigerant water inlet, and the fluid in the U-tube cooling section is cooled and heat-exchanged, thereby preventing steam penetration from occurring in the pressure isolation device. In the present invention, the working medium temperature in the U-tube is reduced to below the flash evaporation temperature, that is, it is ensured that steam penetration does not occur in the tube, thereby greatly improving the refrigeration COP of various existing absorption machines.

The invention relates to a video virtual-real fusion method and system based on a depth map, computer equipment and a readable storage medium. The method comprises the following steps: acquiring a video image shot by a camera and a corresponding rendering image; obtaining rendering camera internal and external parameters corresponding to the rendered image, and performing back projection on the rendered image to obtain a rendering coordinate system 3D point cloud corresponding to the rendered image; calibrating the camera to obtain camera internal and external parameters corresponding to the camera, and converting the rendering coordinate system 3D point cloud to a camera coordinate to obtain a camera coordinate system 3D point cloud; projecting the camera coordinate system 3D point cloud to a pixel coordinate system corresponding to the video image, constructing a corresponding relation between each pixel point coordinate and a depth value in the pixel coordinate system, and generating a camera depth map; and carrying out virtual-real fusion on the video image and the rendered image, and carrying out penetration processing by adopting the camera depth map to obtain a virtual-real fusion image, so that the method has the advantages of improving the efficiency and quality of depth map generation and improving the efficiency and quality of video virtual-real fusion.

The invention discloses a microwave power emission and radiation structure for rewarming and resuscitating biological tissues, comprising a rectangular resonant cavity (10), an antenna sleeve (20) connected to one end surface of the rectangular resonant cavity (10), the antenna sleeve (20) being connected to the inside of the rectangular resonant cavity (10); an antenna core (30) is further arranged in the antenna sleeve (20), the lower end of the antenna core (30) extends a certain length into the rectangular resonant cavity (10), and a wave-transmitting material for fixing is filled between the antenna core (30) and the antenna sleeve (20); the antenna core (30) is used to emit microwaves into the rectangular resonant cavity (10); the wide side length a, the narrow side length b and the long side length l of the space in the rectangular resonant cavity (10) satisfy a predetermined relationship, so that the microwaves realize the TE101 resonant mode. The structure is conducive to uniform heating of biological tissues, and compared with the prior art, the overall structure is simple and easy to manufacture.

The invention provides crystallizer casting powder for continuous casting of a high-hydrogen-content medium carbon steel slab, a preparation method and application, and the crystallizer casting powder for continuous casting of the high-hydrogen-content medium carbon steel slab comprises the following components in percentage by mass: 15-22% of CaO, 30-38% of SiO2, 9-14% of Na2O + K2O, 6-9% of F, 0.5-1.5% of Li2O, 1-3% of B2O3, 4-6% of C and the balance of inevitable impurities. Moreover, the preparation method is simple, convenient to operate and suitable for industrial large-scale production, and the production cost is reduced.

The breathable and comfortable composite non-woven fabric comprises a porous layer and one or at least two supporting layers arranged on one side of the porous layer in an attached mode, a plurality of breathable flow guide holes penetrating through the two opposite faces of the porous layer are formed in the porous layer, each breathable flow guide hole is in a closed geometrical shape, and the breathable flow guide holes are communicated with the porous layer. The maximum size of each ventilation flow guide hole is not less than 2mm; the porous layer and the supporting layer are both made of hot air non-woven fabrics. The disposable plastic film can be used on the inner side, excrement such as loose stool and menstrual blood flows out through the breathable flow guide holes of the porous layer and enters the supporting layer, direct contact between the excrement and the skin is avoided, the breathable and comfortable experience of a user is improved, meanwhile, the problem that glue is prone to leaking in a traditional large-hole compounding mode is solved, the glue leaking situation is avoided, and the use effect is good. The air permeability of the whole product can be improved when used on the outer side.

The invention relates to the technical field of food processing, in particular to a preserved duck egg preparation technology with goose eggs as raw materials, and the technology comprises the following steps: selecting fresh goose eggs, and carrying out slightly acid cleaning pretreatment; preparing clarified pickling liquid containing tea juice, alkaline substances, table salt and a metal salt hole sealing agent; completely immersing the goose eggs in the pickling liquid, and adopting a segmented variable temperature control strategy of high front part and low rear part; and after pickling is finished, citric acid neutralization deastringency and surface coating preservation are performed. The chemical hole sealing effect of metal ions and the sectional temperature control technology are coordinated and matched, the permeation speed and end point of alkali liquor are effectively regulated and controlled, the phenomenon of head rotting of egg white is thoroughly eradicated, and the finished preserved duck eggs are elastic and moist in egg white, clear in pine pollen, strong in soft yolk and free of pungent and astringent taste; and the yield and commodity value of the preserved goose eggs are obviously improved.

This invention relates to a method for sharing real-time IPTV content to a mobile terminal for playback, belonging to the field of wireless communication and terminals. The method includes: the IPTV device and the mobile terminal sending a STUN request to a public STUN server to bypass NAT and automatically obtain the corresponding public IP address; the IPTV device and the mobile terminal establishing an IPSec encrypted tunnel based on the IPSec protocol; the IPTV device receiving the operator's playback stream, extracting video and audio data, re-encapsulating it into RTP format, encrypting it, and transmitting it to the mobile terminal through the IPSec encrypted tunnel; the mobile terminal decrypting and verifying the integrity of the data packets, extracting the RTP payload, and playing the corresponding video and audio data in real time; the mobile terminal sending control commands to the IPTV device through the IPSec encrypted tunnel; the IPTV device parsing the control commands and calling an API to switch channels, synchronously updating the electronic program guide information to the mobile terminal. This method enables mobile devices to remotely receive and play television channel content from a home IPTV device via the public network, overcoming spatial limitations.