16results about How to "Good continuity" patented technology

This application relates to the field of solar cells, and particularly to a solar cell and photovoltaic module. The solar cell includes: a substrate; a tunneling dielectric layer and a doped conductive layer located on the surface of the substrate, the tunneling dielectric layer being located between the doped conductive layer and the substrate, the doped conductive layer containing a dopant element, the dopant element being N-type or P-type, the doped conductive layer having a plurality of spaced-apart first heavily doped regions extending along a first direction, the doping concentration in the first heavily doped regions being greater than the doping concentration in the doped conductive layer excluding the first heavily doped regions; a passivation layer located on the surface of the doped conductive layer away from the substrate; and a plurality of spaced-apart electrodes extending along a second direction, the electrodes penetrating the passivation layer and contacting the doped conductive layer, with at least two first heavily doped regions contacting the same electrode. This application embodiment is beneficial for improving the photoelectric conversion efficiency of passivated contact solar cells.

The utility model discloses a vaccine adjuvant filtering device belongs to vaccine adjuvant production technical field, include: filter box and install cover, the material guide frame is set up in the installation cover bottom, the installation cover sets up on the filter box upper end, the material guide frame is round table state setting, the material guide frame bottom is equipped with the mounting sleeve, the utility model discloses, can when vaccine adjuvant enters the device, the rotation feed plate makes liquid produce circumferential diffusion through centrifugal force effect, and the flexible shower nozzle breaks the fluid unidirectionality in the multidirectional injection mode, and the spiral material guide plate is used for three -dimensional space regulation and control to adjuvant flow, finally realizes the spiral even distribution of adjuvant in the filter cavity, makes adjuvant no longer concentrated impact filter screen local area, but forms the stable flow field that covers entire filter screen effective area, has prolonged the filter material life, has guaranteed the persistence stability of filtration efficiency, makes the practicality of vaccine adjuvant filtering device use better.

This invention discloses a bio-fermentation tank system for the harmless treatment of livestock and poultry manure and its usage method, belonging to the field of manure bio-fermentation treatment technology. The system includes an inclined and rotatable fermentation tank, an openable and closable cover, and supporting components. An installation plate with microbial filler holes is embedded inside the tank, with the holes pre-filled with adsorption substrate to fix the microbial community. A rotatable turbulence component is provided, which pushes the manure into the cutting chamber, where it is squeezed and segmented before flowing back to the main chamber, achieving cyclic treatment. The system is equipped with an independent gas control structure, supporting switching between aerobic and anaerobic fermentation modes. Through the synergistic effect of tank rotation and internal turbulence, thorough mixing of manure, mechanical cutting, and slow-release contact with the microbial community are achieved, significantly improving degradation efficiency and harmless treatment effect. This invention solves the problems of uneven mixing, low microbial activity, poor solid-liquid separation, and incomplete resource conversion in traditional processes, and is suitable for the efficient, harmless, and resource-based treatment of large-scale manure.

The application provides a battery, a battery pack and an electric device, and the battery comprises a negative electrode sheet, the negative electrode sheet comprises a solid-state electrolyte interface layer, the solid-state electrolyte interface layer comprises a fluorinated salt and a carbonate salt; the solid-state electrolyte interface layer satisfies 50% <= a1 <= 85%, 40% <= b1 <= 70%, and the application can simultaneously reduce the battery impedance and maintain the cycle stability.

This invention discloses a tobacco extract, its preparation method, and its application, belonging to the field of tobacco flavoring technology. The preparation method includes: mixing water, propylene glycol, triethylene glycol, and glycerol into a quaternary composite solution, adding tobacco raw materials, glycine, glutamic acid, and alanine, and mixing thoroughly; obtaining a centrifuged clear liquid after extraction, which is then sequentially separated through a ceramic membrane, an ultrafiltration membrane, and a nanofiltration membrane; adding an organic acid to the membrane separation product, which is the tobacco extract. It can be used as a flavor enhancer in traditional cigarettes, significantly improving the richness, aroma, and satisfaction of the smoke; it can also be used directly as a base liquid for atomizing new tobacco products, without the need for adding large amounts of additional atomizing agents, producing sufficient and sustained smoke, with prominent tobacco aroma characteristics, a clean and comfortable aftertaste, and no irritation or sweetness.

The utility model relates to the technical field of track wheels, and discloses an anti-derailment track wheel of a travelling crane lifting device, which comprises a wheel body and a plurality of wheel teeth, the plurality of wheel teeth are respectively arranged at the center of the outer side of the wheel body in a rectangular manner, tread bodies are arranged at the centers of the two sides of the wheel body, and lubricating devices are arranged at the centers of the two sides of the wheel body close to the outer side. The tread body comprises a cone-shaped body, the cone-shaped body is arranged at the center of one side wall of the wheel body, and the center of the interior of the cone-shaped body is filled with an elastic block. According to the utility model, automatic centering can be realized through the treads when the wheel body runs on the track, the derailing risk caused by track irregularity or external interference is reduced, the wheel body can be automatically adjusted to the central position when deviating from the center line of the track, and then the vibration and impact in the running process can be absorbed through the elastic blocks, so that the running stability of the wheel body is improved. And the buffering performance of the wheel body is improved, so that the running stability is improved.

This utility model discloses an electrostatic elimination mechanism for liquid crystal glass spacers, comprising two sets of L-shaped plates, with two sets of transmission columns rotatably mounted between the two sets of L-shaped plates. An adsorption mechanism is fitted onto the outer surface of the two sets of transmission columns, allowing spacers to be placed on and adsorbed. A connecting plate is fixedly installed between the upper surfaces of the two sets of L-shaped plates, and ionizer bars are fixedly installed at both ends of the connecting plate. This utility model, through the adsorption mechanism, enables comprehensive treatment of both sides of the spacer, avoiding residual static electricity problems caused by incomplete elimination on one side. It significantly reduces spacer adhesion and impurity adsorption caused by static electricity, ensuring the cleanliness and stability of the spacer during subsequent use.

The invention relates to the technical field of immune cell preparation, and particularly discloses a T cell culture medium, a cell culture and a culture method and application thereof. The T cell culture medium comprises IL7 and TGF beta; the T cell obtaining method comprises the step of contacting immune cells with the culture medium. The CD4 / CD8 positive mixed T cell and the universal T cell culture obtained by the invention have high cell proliferation ability, motility and in-vivo effectiveness after cryopreservation and resuscitation.

The invention relates to the technical field of immune cell preparation, and particularly discloses a T cell culture medium, a cell culture and a culture method and application thereof. The T cell culture medium comprises IL4 and TGF beta; the T cell obtaining method comprises the step of contacting immune cells with the culture medium. The CD4 / CD8 positive mixed T cell and the universal T cell culture obtained by the invention have high cell proliferation ability, motility and in-vivo effectiveness after cryopreservation and resuscitation.

The utility model relates to children's toy technical field discloses the plush toy with prevent mistaken structure that swallows, including toy main part, the toy main part is provided with the mounting hole on symmetry, this plush toy with prevent mistaken structure that swallows, through setting up the maximum outer diameter of component to be greater than the hole diameter of mounting hole, and setting up antiskid convex grain at its outer peripheral surface, directly prevent component from being pulled out integrally from structure, at the same time, supporting piece adopts elastic material, and is fixed with toy main part through connecting piece, and forms the double restraint of elastic buffer and mechanical limiting with T type sliding block and resistance spring no.

The invention provides an aluminum strip and aluminum wire bonded gallium nitride vehicle power module, and relates to the technical field of power modules, the aluminum strip and aluminum wire bonded gallium nitride vehicle power module is characterized in that signal electrodes of a gallium nitride chip and a Pmos chip are respectively bonded with the surface of a bonding resistor through aluminum wires, and the surface of the bonding resistor is also bonded in a signal circuit area of a ceramic substrate through an aluminum wire; power electrodes of the gallium nitride chip and the Pmos chip are bonded in a power circuit area of the ceramic substrate through an aluminum strip. The GaN vehicle power module bonded by the aluminum strip and the aluminum wire has the beneficial effects that the magnitude-increased switching speed and negligible switching loss are realized, and the limitation of a traditional power device on the working frequency of a system is broken through. And better conduction performance is realized in the middle and low voltage field, and the energy loss during system operation is further reduced. The miniaturization of a magnetic element and a capacitor element becomes possible through high frequency, and the power density of the whole power system is remarkably improved by combining the heat dissipation advantage brought by low loss.

The utility model discloses a hole pressure grouting compactness detection device based on piezoelectric sensor belongs to pressure grouting compactness detection technical field, including concrete body, the middle part of concrete body is provided with hole filling layer, the inside of hole filling layer is provided with a plurality of wire strand, one end of hole filling layer is provided with the mounting cover, the bottom of mounting cover is provided with the supporting plate, the top of supporting plate is provided with the impact positioning mechanism, both sides of mounting cover are provided with fixed establishment, the utility model discloses being provided with impact positioning mechanism, realizes the movable support to the impact needle, makes the impact needle and wire strand coincide, can make the impact needle steady and with wire strand impact, has improved the stability to wire strand impact, is provided with fixed establishment, realizes the fixing between mounting cover and hole filling layer and wire strand, makes the whole get steady support, ensures that there is no any unnecessary slack or deviation in the detection process.

The utility model relates to a self-cleaning plasma generator for combustible medium plasma ignition, which comprises an anode assembly and a cathode assembly which are matched with each other to generate plasma, and the cathode assembly is detachably inserted in the anode assembly. An insulation assembly capable of carrying out antifouling wrapping on the cathode assembly to isolate the cathode from the anode is arranged between the anode assembly and the cathode assembly; the outer side of the anode assembly is further provided with a purging assembly which can be inserted into a plasma generation cavity defined by the anode assembly to conduct airflow purging cleaning on the cavity space and pull plasma to flow directionally. The electrode has an anti-pollution clean structure, so that the ionization stability and reliability of the electrode are improved.

This utility model discloses a fabric drying device for clothing processing, belonging to the field of fabric drying technology. It includes: a drying box for clothing fabric, with an exhaust port and a hot air blower for drying the fabric on the top surface of the drying box; several guiding components for clothing fabric, disposed within the inner cavity of the drying box, each guiding component comprising a mounting frame and a slide rail; the bottom wall of the mounting frame is connected to the slide rail, a sliding plate is slidably connected to the top surface of the slide rail; fixed bearings are embedded and fixedly connected to both inner side walls of the mounting frame; rotating blocks are interference-fitted to the inner rings of the fixed bearings; threaded rods are connected to adjacent sides of the two rotating blocks; threaded plates are threadedly connected to the threaded rods; and guide rollers for conveying clothing fabric are rotatably connected to adjacent sides of the threaded plates and sliding plates. The inner side walls of the drying box are embedded and fixedly connected to the several mounting frames. This device can increase the length of the fabric within the drying box, improving the drying efficiency of the drying device.

The invention relates to a solar cell, a manufacturing method thereof and a photovoltaic module, at least one of a first grid line electrode on a first surface of the solar cell and a second grid line electrode on a second surface of the solar cell is set to comprise a silver-copper electrode, and the silver-copper electrode is further designed to comprise a silver contact layer and a silver-coated copper layer; on one hand, the silver-copper electrode is connected with the substrate through the silver contact layer, and the silver contact layer and the substrate have good conductivity, so that the silver-copper electrode and the substrate have low contact resistance, and it is ensured that the solar cell has good photoelectric conversion efficiency; and on the other hand, the silver-coated copper layer comprises the silver-coated copper particles and the second silver particles, so that the silver consumption of the first grid line electrode and the second grid line electrode is reduced, the production cost of the solar cell can be effectively reduced, and the competitive activity of the cell can be improved.

The invention relates to the technical field of computer and Internet of Things access, and discloses an Internet of Things terminal security access authentication method for an intelligent building. The method comprises the following steps: acquiring an environment physical field and equipment behavior data through a multi-source physical sensing unit and an operation state monitoring unit; performing space-time alignment and fusion on the data to generate a unique dynamic fingerprint; constructing an equipment living body state discrimination model based on a twin neural network, and outputting an authentication certificate; and the authentication server verifies the validity of the certificate and the confidence of the living body and determines whether to authorize access. According to the invention, through a dynamic fingerprint and living body verification mechanism, non-interaction and continuous equipment identity authentication is realized, and the security and anti-attack capability of an intelligent building networking system are improved.