26results about How to "Lower production threshold" patented technology

The invention discloses a double-groove super junction structure and a manufacturing method thereof, the double-groove super junction structure comprises a plurality of MOS cells which are connected in parallel, and each MOS cell comprises a drain electrode, an upper metal source electrode, a grid electrode, a semiconductor epitaxial layer, a substrate layer, a P well layer and an N well layer; a groove is formed between adjacent MOS cells and in the middle of the heavily doped P well layer I through etching, an oxide layer is deposited at the bottom of the groove, a side metal source electrode is arranged on the surface of the oxide layer, and the top of the side metal source electrode is in contact with the upper metal source electrode; the side surface of the side metal source is in ohmic contact with the N well layer, the lightly doped P well layer I and the heavily doped P well layer I; the grid electrode is a longitudinal groove type grid electrode and is arranged between the two N well layers of the single MOS cell, and the grid electrode is connected with the N well layers, the first lightly-doped P well layer and the diffusion layer in an isolated mode through a grid oxide layer. According to the invention, the injection depth of the heavily doped P well layer I is increased through the groove, and the (11-20) surface channel is adopted, so that the interface state density is greatly reduced, and the overall size of the device is reduced.

Embodiments of the invention disclose a video generation method and apparatus. The method comprises the steps of obtaining a target story text; the target story text is subjected to content splitting processing, scene information, role information and subtitle information are obtained, and an incidence relation exists between the role information and the subtitle information; according to the role information, determining a role sticker corresponding to the subtitle information having an association relationship with the role information, and determining a scene material corresponding to the scene information; and generating a story video according to the subtitle information, the role sticker and the scene material. According to the technical scheme of the embodiment of the invention, the threshold of video production is reduced, the AI enabling creation is utilized, the user can be assisted to generate the video with the recarving modeling factor type playing method, the video uses some specific hot stem materials, the emotion feeling of the user in a certain scene is expressed in a picture mode, the video conversion of text stories is realized, and the user experience is improved. The user is helped to generate the video more quickly and more easily, the video production efficiency is improved, and the user experience is improved.

The invention relates to a digital teaching system based on a multi-mode intelligent technology. A teaching end displays digital content through screen equipment; the control end provides a digital classroom control capability for teachers or assistant teachers through mobile equipment; the student end realizes real-time interaction between students and the digital classroom through a mobile device configured with a voice device; the server is configured with an intelligent knowledge base, analyzes classroom data based on an intelligent algorithm and a big data analysis technology, generates a learning path and recommendation resources according to student conditions, processes questions with the help of natural languages, and drives the whole teaching to operate intelligently. According to the invention, classroom interaction intellectualization can be realized, teaching quality can be improved, multidisciplinary knowledge coverage and dynamic adaptation can be realized based on an intelligent knowledge base, modular course design and dynamic interaction are optimized, dialogue type and touch type interaction modes are fused, popularization application of code-free teaching design is supported, and teaching experience is improved. And classroom effect optimization driven by real-time data, enhanced teaching feedback and long-term improvement are facilitated.

The invention relates to the field of agricultural product processing equipment, in particular to a phase adjusting structure and an automatic adjusting tea frying machine based on the phase adjusting structure, the phase adjusting structure comprises a driving part and a transmission assembly, the transmission assembly comprises a transmission shaft, a connecting rod group and a swing rod, and the phase adjusting structure further comprises an eccentric wheel, the screw rod and screw sleeve adjusting mechanism is used for adjusting the distance between the fulcrum of the swing rod and the eccentric wheel, so that the initial angle and the swing amplitude of the frying plate are adjusted. The machine further comprises a rack, a controller and a frying plate; the synchronous belt transmission part is connected with the movable part; and the manual driving part and the automatic driving part are connected with the synchronous belt transmission part. The whole rigidity is effectively improved, vibration in the operation process is restrained, the repeated precision of the motion trail of the frying plate is guaranteed, the service life of the structure is prolonged, complexity and control redundancy of the mechanical structure are avoided, automatic adjustment is achieved, the machining efficiency is higher, and safety is higher.

The invention discloses a low-resistance super junction structure and a manufacturing method thereof, the low-resistance super junction structure comprises a plurality of MOS cells which are connected in parallel, each MOS cell comprises a drain electrode, an upper metal source electrode, a grid electrode, a semiconductor epitaxial layer and a substrate layer, the semiconductor epitaxial layer is located on the surface of the substrate layer and is also called as a diffusion layer, and a P well layer and an N well layer are formed through ion implantation; the P-well layer comprises a lightly doped P-well layer I and a heavily doped P-well layer I, a groove is etched between adjacent MOS cells and in the middle of the heavily doped P-well layer I, an oxide layer is deposited at the bottom of the groove, a side metal source electrode is arranged on the surface of the oxide layer, and the top of the side metal source electrode is in contact with the upper metal source electrode. According to the invention, the injection depth of the heavily doped P well layer I is increased through the groove, and the source ohmic contact is buried in the epitaxial layer in the vertical direction, so that the transverse cell size occupied by the source contact is greatly reduced.

The invention discloses a cooperative hardware security terminal architecture based on a glass vacuum cavity, which comprises an independently arranged glass vacuum cavity security module, can cooperatively work with an existing terminal main processor, and realizes hardware-level security upgrade on the premise of not influencing original performance and use experience. The glass vacuum cavity adopts two selectable sealing processes, so that both mass production and flexibility are considered; and a national security level hardware security unit is integrated in the cavity to realize key storage and encrypted transmission. An end-cloud collaborative architecture is adopted, sensitive data are not stored locally, and the security module can realize physical transplantation. The method is high in compatibility, does not depend on an advanced process, is high in physical attack resistance, can be widely applied to various smart phones and high-security-level terminals, and has high practicability and market value.

The auxiliary tool comprises a charging pipe of a cylindrical structure, one end of the charging pipe is arranged to be a diagonal plane, the other end of the charging pipe is connected through a bottom plug cap, handle installation holes are symmetrically formed in the two sides of a barrel body of the charging pipe, and the two ends of a first handle extend into the handle installation holes respectively and are bent inwards to be fixed. The outer side of the bottom plug cap is further connected with a second handle. During use, a constructor holds the first handle with one hand to lift the charging pipe, and holds the second handle with the other hand to assist in lifting the charging pipe, so that concrete pouring can be easily completed. And concrete is observed and controlled to slowly flow into the dustpan opening along the beveled port of the charging pipe, so that waste caused by overflow of the concrete due to too fast sliding is prevented. The device not only can be used by one person, but also can be used by two persons in a matched manner, so that the labor cost can be effectively reduced. And the materials are common materials and can be easily obtained on a construction site, so that the manufacturing threshold and the cost are reduced.

This invention relates to a method for synthesizing 3-hydroxy-7-fluoro-1-naphthol, comprising: protecting the hydroxyl group of methyl 4-hydroxy-6-fluoro-2-naphthyl carboxylate with a benzyl group; then hydrolyzing the ester group of the product to a carboxyl group to obtain a hydrolysate; mixing the hydrolysate, diphenyl azidophosphate, triethylamine, and toluene, heating for a predetermined time, adding hydrochloric acid, and continuing heating to perform rearrangement to obtain a rearranged product; dissolving the rearranged product in dilute sulfuric acid, adding an aqueous sodium nitrite solution to perform a diazotization reaction, and then heating the reaction product to perform diazotization hydroxylation; after the reaction is complete, 3-hydroxy-7-fluoro-1-naphthol is obtained. The synthesis method provided in this application achieves high yield and low cost through the selection of raw materials and routes; the provided intermediates are stable and can be sold as finished products, lowering the preparation threshold for the synthesis of 3-hydroxy-7-fluoro-1-naphthol and the synthesis of G12D inhibitors.

The invention discloses piezoelectric electrochemical driving fibers and a preparation method and application thereof, and relates to the technical field of piezoelectric fibers. The fiber is of a rod-shaped concentric roll layer structure and is formed by stacking two or more layered fiber films around the center of an arrangement layout at equal intervals or equal angles and then rolling and twisting the layered fiber films along diagonal lines of the arrangement layout. Or two or more linear fibers with the same length are rotationally twisted along the arrangement center to form the fiber with the spiral structure. The piezoelectric electrochemically driven fiber provided by the invention has a high-low voltage composite driving function, and has both an ion embeddable effect and a piezoelectric effect; high-efficiency conversion of electric energy-chemical reaction-mechanical deformation can be realized based on electrochemical reaction under the action of-3V-3V driving voltage, and a low-voltage, low-energy-consumption and large-output displacement driving function is realized.

This application relates to the field of dynamic text effects production technology, specifically providing a method, apparatus, device, and medium for realizing cartoon dynamic text transformation. The method includes the following steps: splitting the text to be processed into multiple independent text layers and activating the three-dimensional spatial attributes of all text layers; adjusting the three-dimensional shape parameters of each text layer to a first preset shape parameter so that each text layer forms a three-dimensional text shape; creating rotation animations for each text layer; for each text layer, adding a back-and-forth movement along the viewing axis to a virtual camera at a preset timeline node, and replacing the source text content of the text layer with the preset transformed text during the duration of a short-time focus effect; and performing time-sequence misalignment processing on the rotation animations of multiple text layers to form a wave-like animation effect. This method solves the problems of lengthy processes, high production costs, and stiff effects in existing production methods.

The invention discloses a novel aluminum etching solution, and belongs to the technical field of semiconductor packaging. The etching liquid comprises the following components in percentage by mass: 10%-50% of phosphoric acid, 1%-10% of an oxidizing agent, 1%-10% of a buffering agent, 0.01%-1% of a catalyst, 0.01%-1% of a complexing agent and the balance of water. Through the synergistic effect of the catalyst and the oxidizing agent, the etching rate and stability are ensured while the content of phosphoric acid is reduced, and the problems that an existing high-concentration phosphoric acid system is serious in pollution and rapid in rate attenuation are solved. The etching liquid is uniform in etching effect, free of precipitation, high in process adaptability and suitable for high-precision etching of aluminum / aluminum alloy layers in the field of semiconductor packaging, and has remarkable environmental protection benefits and industrial application value.

The utility model relates to a kind of substrate and power module, substrate at least includes the conductive layer being arranged in one side, the conductive layer includes sequentially arranged input welding area, lower bridge power device welding area, upper bridge power device welding area, output welding area along first direction, input welding area includes the input positive electrode welding area and input negative electrode welding area being arranged in second direction, upper bridge power device welding area is equipped with multiple, the quantity of lower bridge power device welding area is same with the quantity of upper bridge power device welding area, in second direction, first connecting area is equipped between adjacent lower bridge power device welding area, first connecting area is connected with input negative electrode welding area, in second direction, second connecting area is equipped between adjacent upper bridge power device welding area, second connecting area is connected with all lower bridge power device welding area.The utility model uses compact partition design, and power device is all welded in each partition in the form of patch, reduce power loop parasitic inductance and module volume.

The invention relates to the technical field of water purification filter elements, and particularly provides a strontium-lithium mineralized carbon core and a method for preparing the strontium-lithium mineralized carbon core. The strontium-lithium mineralized carbon core comprises the following components in parts by weight: 5-20 parts of zeolite powder, 5-20 parts of dolomite powder, 5-30 parts of spodumene powder, 5-30 parts of lepidolite powder, 100-500 parts of activated carbon powder and 5-40 parts of an adhesive. The preparation method of the strontium-lithium mineralized carbon core comprises an ore treatment stage, a material mixing stage and a forming stage. The preparation method comprises the following steps: firstly, respectively modifying natural zeolite, natural dolomite, natural spodumene and natural lepidolite, and crushing to prepare powder for later use; secondly, mixing and stirring zeolite powder, dolomite powder, spodumene powder, lepidolite powder, activated carbon powder and an adhesive in proportion to obtain a prefabricated mixture; finally, the strontium-lithium mineralized carbon core is prepared from the prefabricated mixed material through any one of dry extrusion, dry sintering or wet forming. The strontium-lithium mineralized carbon core separates out a large amount of lithium and strontium in purified water, and is more beneficial to human health.

The invention discloses a method for processing the end face teeth of a half-axle housing with constant speed drive, which belongs to the technical field of half-axle housing processing, and comprises the following steps: warm forging a blank, extruding the raw material into a blank required by the half-axle; residual heat normalizing, using the residual heat to pass the forging through a fixed tunnel constant temperature furnace to remove stress; surface treatment, removing impurities on the surface of the forging; machining the end face, processing the pre-spinning plane; spinning production, clamping the forging by a clamp, with the pre-spinning plane facing upward, and performing end face tooth spinning processing by a spinning machine; the output shaft of the spinning machine is connected with a rivet head, the rivet head is coaxial with the forging, the axis of the rivet head and the output shaft of the spinning machine form a certain angle a, the rivet head is detachably connected with an intermediate cutter disc, and the lower end face of the intermediate cutter disc is evenly spaced with a plurality of intermediate teeth. The method of the invention can greatly improve the processing efficiency of the end face of the half-axle housing, and also has the characteristics of high precision, low cost, environmental protection, etc.

The invention discloses a hetero-junction catalyst based on halloysite as well as a preparation method and application thereof, and belongs to the technical field of photocatalytic water treatment. According to the preparation method, natural halloysite is taken as a carrier, and a ternary heterojunction with a synergistic effect of BiVO4 and MIL-100 is constructed on the surface of the natural halloysite by virtue of an in-situ loading and hydrothermal compounding process, so that the BiVO4-coated MIL-100-coated HNT heterojunction catalyst is prepared. According to the catalyst, active phase agglomeration is inhibited through a halloysite tubular structure, photon-generated carrier separation is promoted through energy band matching of BiVO4 and MIL-100, and generation of active species is strengthened through Fe < 2 + > / Fe < 3 + > valence cycle of MIL-100; under the synergistic effect of visible light and H2O2, active species such as hydroxyl free radicals are efficiently generated through a photocatalysis-Fenton-like coupling mechanism, and phenol pollutants such as resorcinol and the like and refractory pollutants such as 1H-benzotriazole and polyethylene glycol in photovoltaic wastewater can be rapidly and thoroughly mineralized; the blank of the ternary composite heterojunction catalyst in the field of photovoltaic wastewater treatment is filled, the ternary composite heterojunction catalyst has the characteristics of low cost and environment friendliness, and a feasible technical scheme is provided for green and efficient treatment of photovoltaic wastewater.

The embodiment of the invention provides a video content generation method and device and a storage medium. In the embodiment of the invention, a video script is introduced as a guide for video content generation. And after the uploading operation of the video demander is responded, obtaining the video material and description information of the target object. The method comprises the steps of obtaining a plurality of to-be-processed video clips with semantic tags based on semantic segmentation of a video material; and determining the industry attribute of the target object based on the description information. And matching one or more target video scripts in combination with the semantic tags and the industry attributes, and combining and decorating the to-be-processed video clips according to the combination modes and the content decoration information of the sample video clips included in the target video scripts to generate a plurality of target video contents. In the whole generation process, the video content demander can generate the video content related to the target object in batches based on the video script only by completing the uploading operation, so that the video production threshold is reduced, and the video production efficiency is improved.

The utility model discloses a kind of fixture tool for equation racing car, comprising: framework, racing car frame body being connected on framework, multiple fixed structures, all being connected on framework, including by connecting on framework a pair of I-beam tube, steel sheet one, steel sheet two, steel sheet three and steel sheet four are fixedly connected thereon, among them, steel sheet one and steel sheet two are connected with a pair of positioning rod one, steel sheet three and steel sheet four are connected with several positioning rod two, positioning rod one and positioning rod two are all connected with clamping device, framework includes several second connecting tubes being connected on a pair of first connecting tube, third connecting tube, fourth connecting tube and fifth connecting tube being connected on second connecting tube.The utility model is superior in that: it installs customized inlay block in steel sheet preset positioning hole, inlay block through-hole can be accurately designed as inclination angle as needed.Avoid high difficulty, big cost direct bevel drilling, greatly reduce the dependence on traditional processing technology and manufacturing threshold.

The utility model provides a single cylinder shock absorber assembly tool belongs to single cylinder shock absorber assembly equipment field, including the casing, the casing one end has the article groove, is used for placing the floating piston in the article groove, is connected with the first sealing element on the floating piston, and the sealing ring first sealing element is used for the sealed setting of the gap between the sealing ring article groove inboard wall and sealing ring floating piston, the other end of sealing ring casing is equipped with the connecting groove, and the cylinder body end inserts sealing ring connecting groove, and the inboard wall on sealing ring connecting groove is connected with the second sealing element, and the sealing ring second sealing element is used for the sealed setting of the gap between sealing ring cylinder body outer surface and sealing ring connecting groove inboard wall, the air inlet is set up on sealing ring casing, and sealing ring air inlet and sealing ring connecting groove or with sealing ring article groove intercommunication setting, and sealing ring air inlet is located between sealing ring first sealing element and sealing ring second sealing element.

The application discloses an application of a tripyridyl triazine zinc bromide complex in preparation of a photoelectric / radiation detector and belongs to the technical field of semiconductor photoelectric materials and devices. The application opens up a new use of a known material, the tripyridyl triazine zinc bromide complex, and realizes regulation of carrier transport performance by using free radicals generated by photoinduced electron transfer (PIET) in the ZnBr2(2-TPT) complex for the first time, breaks through the traditional cognition that the material is only used for optical discoloration, and successfully applies the material to the field of electrical detection. The photoelectric / radiation detector based on the tripyridyl triazine zinc bromide complex has high-performance detection performance: the detector prepared based on the ZnBr2(2-TPT) complex has extremely low dark current (originating from high resistance of the material in a dark state) and significant photocurrent response, realizes high on-off ratio and high sensitivity, and can effectively detect weak ultraviolet light and high-energy X rays.

This invention discloses an automatic generation method for "interactive product experience videos" that integrates virtual and real elements, belonging to the field of virtual-real content generation technology. The method includes receiving a live-action video stream of a product, a 3D model of the product, and a user interaction definition script; analyzing the video stream to extract the spatial orientation of the product and ambient lighting information from key shots; rendering and generating a sequence of virtual model images seamlessly integrated with the live-action footage, which are then aligned and merged to form a basic video stream. The script is parsed to obtain interactive trigger events and associated feedback animations, which are then anchored to specified positions in the video and activated at specific times. When a matching interactive input is detected, the feedback animation is triggered at the corresponding time point and dynamically synthesized with the basic video stream, ultimately outputting an interactive experience video containing real-time interactive effects. This invention enables the automatic generation of high-quality, interactive virtual-real integrated product display content from ordinary videos.

The compact optical fiber inertial measurement device comprises a system body, a box body, an upper cover, a first 50 single-axis optical fiber gyroscope, a second 50 single-axis optical fiber gyroscope, a third 50 single-axis optical fiber gyroscope, an addition meter assembly, a signal processing and interface circuit, a secondary power supply circuit and an electric connector assembly, wherein the system body is arranged in the box body; the upper cover is connected with the open end of the box body; the first 50 single-axis fiber-optic gyroscope, the second 50 single-axis fiber-optic gyroscope, the third 50 single-axis fiber-optic gyroscope, the additional meter assembly, the signal processing and interface circuit, the secondary power supply circuit and the electric connector assembly are all arranged on the system body. According to the invention, the core structure size of the optical fiber inertial measurement device is more compact, the size and weight of the optical fiber inertial measurement device are greatly reduced, and the integration level and assembly manufacturability of the system are improved.

The invention provides a video generation method and device, electronic equipment and a storage medium, and relates to the technical field of artificial intelligence, in particular to technologies such as computer vision, video content understanding, automatic video editing and intelligent media synthesis. According to the specific scheme, the method comprises the following steps: extracting a plurality of candidate video clips containing each target object from an original video based on a source video identifier and reference information of at least two target objects; performing quality screening on the candidate video clips of each target object, and combining the screened clips into a plurality of clip sets according to a preset matching rule; for each segment set, based on the face position information of each video segment in the segment set, respectively performing vertical clipping on each video segment, and synthesizing the clipped video segments according to a preset multi-split-screen layout to obtain a synthesized frame sequence; and combining the synthesized frame sequence with the target audio data to generate a vertical split-screen video.

This invention discloses a dynamic multi-spot projection optical system based on an LED light source, comprising an LED light source, a reflector, a grating sheet, a condenser lens, a concave mirror, and an optical reflection assembly. The LED light source is located at the bottom of the reflector, and the grating sheet has a light-transmitting area with a preset pattern shape. The reflector is composed of several planar mirrors A, and the concave mirror is composed of several planar mirrors B. The light emitted by the LED light source is formed into a patterned beam by the grating sheet, and the conical reflector divides and reflects the beam into multiple sub-beams, which are then guided to the condenser lens by the optical reflection assembly. This invention, using a low-cost, laser-free, and safe LED solution, achieves complex dynamic light and shadow effects comparable to or even surpassing laser projection through innovative optical design, while maintaining consistent image clarity within a projection distance range of 2-15 meters.

The application discloses a specific gathering scene album generation method and a terminal, collects place information, gathering time information, user information, consumption information and behavior information; uses a scene recognition algorithm to recognize the place information, the gathering time information, the user information, the consumption information and the behavior information, obtains a gathering scene; selects a target preset template corresponding to the gathering scene; and generates a gathering album based on the place information, the gathering time information, the user information, the consumption information and the behavior information and the target preset template, so that automatic identification of the gathering scene is realized, the specific gathering scene album is quickly and efficiently generated according to the gathering scene and the information collected in the gathering process without the user's awareness, and the production threshold of the album is reduced.

The invention belongs to the technical field of precision printing, and relates to a full-opening steel plate with a coating and a preparation method and application thereof.The full-opening steel plate comprises a full-opening steel plate base body, the front face, the back face and the inner wall of an opening of the full-opening steel plate base body are each provided with a hydrophobic and oleophobic coating, or hydrophobic and oleophobic coatings are arranged on the inner wall of the opening of the full-opening steel plate base body. Hydrophobic and oleophobic coatings are arranged on the front face and the inner wall of an opening of the full-opening steel plate base body, and a friction increasing coating is arranged on the back face of the full-opening steel plate base body, or the hydrophobic and oleophobic coatings are arranged on the front face and the inner wall of the opening of the full-opening steel plate base body, and no coating is arranged on the back face of the full-opening steel plate base body. The hydrophobic and oleophobic coatings are arranged on the front face and the inner wall of the opening of the full-opening steel plate base body, and the hydrophobic and oleophobic coating and the friction increasing coating are selectively arranged on the back face of the full-opening steel plate base body or not arranged, so that the combination of the hydrophobic and oleophobic function and the friction increasing function can be achieved; the defects that when an existing steel plate is used, slurry is not thoroughly separated, the shaping effect is poor, and ink feeding is not full are overcome, the binding force of the coating and the steel plate base body is high, and the service life of the steel plate is long.

The utility model discloses rod dotting fixing equipment which comprises a feeding station, a mounting station and a dotting fixing station. The feeding work station comprises a feeding mechanism, and a clamp is arranged at the execution end of the feeding mechanism and can move front and back. The installation work station comprises a material taking installation mechanism and a material taking table capable of moving front and back. The installation mechanism can move left and right and is provided with a material taking installation chuck capable of being driven by an air cylinder to move up and down. The dotting fixing work station comprises a fixing mechanism, a pair of firing pins are arranged in the fixing mechanism, and the firing pins strike the rod and the brush head sleeved with the rod head, so that the purpose of fixing the rod and the brush head is achieved. According to the automatic eyelash brush feeding device, all work stations are connected through the quartered rotary table, the steps of automatic feeding, installation, fixing and feeding of the eyelash brushes are completed at the same time in unit time, manual participation and errors are reduced, and efficiency is improved in the production process of the eyelash brushes.