37results about How to "Few steps" patented technology

The utility model discloses a single battery, a battery pack and electric equipment, and belongs to the technical field of power batteries, the single battery comprises a shell, an electrode assembly, an insulating film, a side plate and a cover plate assembly, and the shell is provided with an accommodating cavity; the electrode assembly is arranged in the accommodating cavity and has a first direction; the insulating film sleeves the periphery of the electrode assembly by one circle and is partially overlapped and connected, and the insulating film is positioned between the electrode assembly and the shell; the side plate is arranged at the overlapped and connected part of the insulating film along the first direction, and the side plate and the insulating film are integrally formed; the cover plate assemblies are arranged at the two ends of the shell, cover the containing cavity and are connected with the shell. The side plate and the insulating film are integrally formed, so that the step of assembling the side plate and the insulating film is reduced. Through partial overlapping of the insulating film, after the periphery of the electrode assembly is coated with the insulating film, an adhesive tape does not need to be used for fixing, and the step of coating the insulating film is further reduced.

This invention discloses a recombinant vector, recombinant bacteria, and fermentation method for high-yield GHK production, belonging to the field of biomedical technology. The recombinant expression vector of this application comprises a bicistronic expression cassette controlled by a T7 / lac heterozygous promoter, sequentially containing the encoding (GHK). n The vector encodes the first cistron of the polypeptide and the second cistron, where n is an integer from 2 to 200. When this vector is transformed into *E. coli* BL21, the resulting recombinant bacteria can simultaneously express (GHK) after IPTG induction. n Polypeptides and trypsinogen. During fermentation, trypsinogen is activated and enables the processing of (GHK). n In situ enzymatic cleavage of peptides efficiently releases GHK. This invention integrates the traditional multi-step process into a "one-step fermentation," simplifying the production process and reducing purification difficulty. Examples show that the GHK yield can reach up to 3.9 g / L, providing an efficient and convenient new strategy for the large-scale biomanufacturing of GHK.

The utility model provides a sputum suction tube flushing device, and belongs to the technical field of sputum suction tubes. The sputum suction tube flushing device comprises a flushing assembly and an adjusting assembly, the flushing assembly comprises a bottom plate, a driving part, a sliding rod, a piston, an injection tube, a liquid suction tube, a flushing tube and a one-way valve, the driving part is arranged at the bottom of the bottom plate, and the adjusting assembly comprises an elastic part, a sliding ring and a positioning rod. By arranging the bottom plate, the driving piece, the sliding rod, the piston, the injection pipe, the liquid suction pipe, the flushing pipe and the one-way valve, the one-way valve is adopted to control the liquid suction pipe and the flushing pipe to flow liquid in one way, the situation that a sputum suction pipe needs to be disassembled to repeatedly suck and supplement normal saline for continuous flushing can be avoided, steps are reduced, and efficiency is improved; by arranging the elastic piece, the sliding ring and the positioning rod, the sliding ring can be rotated to drive the injection tube to rotate to adjust the positions of the liquid suction tube and the flushing tube, the device adapts to adjustment of the positions of different patients or sputum suction tubes, and practicability is improved.

The application discloses a preparation method of a gradient two-phase polymer interface layer modified metal electrode. The gradient two-phase polymer interface layer modified metal electrode is prepared by coating a metal negative electrode with a mixed solution of PBI and PVA and then vacuum drying the metal negative electrode coated with the PBI and PVA mixture. The PBI and PVA mixture on the metal negative electrode is decomposed by spinodal to form a continuous gradient two-phase structure with loose upper and dense lower, which can realize multi-step coupling kinetics balance of mass transfer, reduction and nucleation in the zinc deposition process, and fundamentally inhibit the growth of dendrites. The zinc anode with the two-phase gradient polymer interface can be stably operated at 5 mA cm ‑2 for 7500 hours, reach about 92% of the zinc utilization rate in 10 mA cm ‑2 for 600 hours, and be stably operated at 40 mA cm ‑2 for 1500 hours.

The utility model discloses a kind of puncture type welding-free joints, it is related to welding-free joint technical field, to solve the problems of existing puncture type welding-free joint complex structure, accessory, high cost. The puncture type welding-free joint includes joint shell and puncture type conducting sheet, joint shell is equipped with containing cavity, containing cavity both ends open, puncture type conducting sheet is installed in containing cavity, and one end of puncture type conducting sheet is equipped with puncture convex tooth;The joint shell on the side of puncture convex tooth is reversely connected with gland. The utility model only includes joint shell and puncture type conducting sheet two core components, simple structure, substantially reduce the number of accessories and production process, reduce production cost;Convenient to operate simultaneously, without professional tool and skill, can quickly complete light bar connection, and connection stability is high, effectively improve use experience, suitable for various connection scenarios of LED soft light bar.

This utility model discloses an airtightness testing instrument, comprising a profile with transverse grooves, longitudinal grooves, and screw slots; four of the profiles are distributed at the four corners; a housing comprising a front plate and a rear plate whose ends are respectively inserted into two of the transverse grooves, a left plate and a right plate whose ends are respectively inserted into two of the longitudinal grooves, a bottom plate connected to the screw slots by screws, and a top plate; a quick-release cover detachably connected to the profiles; the quick-release cover is used to fix the top plate to the profiles to restrict the vertical movement of the top plate relative to the profiles. This utility model provides an airtightness testing instrument that, through the connection of the quick-release cover to the profiles, restricts the top plate to the profiles, thereby completing the installation of the top plate. This process does not require screws, facilitating the disassembly and installation of the top plate, reducing steps, and increasing efficiency.

The utility model relates to the technical field of stirrer, concretely to a stirring head quick replacement structure, including electric mixer body, electric mixer body left end is connected with the stirring head, the electric mixer body outer surface left end is installed with auxiliary mechanism, the auxiliary mechanism includes auxiliary cover, the auxiliary ring of welding in auxiliary cover left end and the limiting frame of welding in auxiliary ring right side surface, the limiting frame inside is provided with the limiting block, when needing to replace the stirring head, through the right movement of the auxiliary cover of pushing, make the auxiliary ring drive the right movement of sliding connecting block, make the limiting insertion rod can leave the limiting mechanism, then through the limiting groove cooperation limiting block will fix the position of auxiliary cover, can fix the position of sliding connecting block, can conveniently control limiting mechanism to replace the stirring head subsequently, through auxiliary mechanism makes the user can conveniently synchronous control both sides' locking mechanism, can more quickly replace the stirring head.

The utility model discloses a dual-purpose device for an optical lens. The dual-purpose device comprises a fixed seat, a cleaning box installed on the fixed seat and a moving assembly correspondingly placed in the cleaning box in a separated mode. An interlayer is arranged in the cleaning box, an ultrasonic generator is correspondingly installed in the interlayer, and the installation direction of the ultrasonic generator faces the interior of the cleaning box and can emit ultrasonic waves to the interior of the cleaning box. According to the cleaning and drying device for the optical lens, cleaning and drying of the optical lens are mainly conducted in the same device, a dual-purpose structure of cleaning and drying is achieved, cost can be effectively saved, only a single device needs to be arranged, steps can be saved, the working efficiency is improved, and the structure is reasonable.

The present application relates to the drilling fluid with the anti-sloughing agent and preparation method, the total mass is 100% by mass percentage, is composed of the following components: lipophilic natural asphalt material 60-75%, hydrophilic compound material 10-15%, reinforcing agent 5-8%, oil phase dispersing agent 2-3%, lubricating film forming agent 1-2%, initiator 0.5-1.0%, regulator 0.5-1.0%; The lipophilic natural asphalt material is compounded by Karamay natural rock asphalt and Sichuan Qingchuan natural lake asphalt according to the mass ratio (6-8):(2-4); The hydrophilic compound material is compounded by 2-acrylamide-2-methylpropane sulfonic acid and hydroxyethyl cellulose according to the mass ratio (3-5):(1-2); The present application has the advantages of good oil-based compatibility, excellent plugging and anti-sloughing effect, simple process, low cost, stable performance, convenient use, pressure resistance, durability and stability.

The application discloses coumarin compounds, and a preparation method and application thereof. The coumarin compound is selected from a compound shown in formula (A-A); wherein R1 is selected from a group shown in the formula, H or C1-C10 alkyl, wherein R 1′ oxalyl chloride ester selected from H or C1-C10, R 1” substituted or unsubstituted aryl; R2 is selected from a group shown in the formula or H, wherein R 2′ substituted or unsubstituted aryl; R3 is selected from a group shown in the formula, H or hydroxyl, wherein R 3′ C1-C10 carboxylic acid, R 3” substituted or unsubstituted aryl; and when R1 of the coumarin compound is selected from hydrogen, R3 cannot be selected from hydroxyl. The coumarin compound has simple structure, small molecular weight and good biological activity, can inhibit test bacteria in different degrees, and can be used as a potential new antibacterial agent.

This invention provides a method for preparing a three-dimensional textured macroporous carbon composite with adjustable carbon shell morphology, comprising the following steps: S1, dispersing a phenolic prepolymer in a solvent to prepare a phenolic prepolymer slurry; S2, adding graphene oxide to the prepared phenolic prepolymer slurry, mixing well, and preparing a carbon precursor spraying liquid; S3, spraying the prepared carbon precursor spraying liquid onto a planar fiber carrier to obtain a carbon precursor carrier composite; S4, heat-treating the carbon precursor carrier composite to obtain three-dimensional hollow porous carbon. This invention uses planar fiber materials as the reaction site, eliminating the need for other templates, and uses graphene oxide as the key component of the carbon precursor. Combining the advantages of continuous operation technology such as ultrasonic dispersion and atomized spraying, the carbon precursor is composited on the surface and interior of the carrier. After heat treatment, three-dimensional hollow porous carbon is prepared. The morphology of the carbon shell composited on the three-dimensional textured macroporous carbon framework can be controlled simply by adjusting the content of the key components in the carbon precursor.

The invention relates to the technical field of circuit board manufacturing, in particular to a manufacturing process of stacked holes of a circuit board and the circuit board. The manufacturing process of the stacked hole of the circuit board comprises the following steps: preparing a base plate; wherein the base plate comprises a first metal layer, a first dielectric layer and a second metal layer which are arranged in a stacked mode, and the first metal layer is located on the top layer of the base plate; according to the designed shape and position of the stacked hole, etching a metal material at a to-be-drilled position of the first metal layer to form a window for exposing the first dielectric layer; pressing a second dielectric layer and a third metal layer on the first metal layer; performing laser drilling at the position of the corresponding window of the third metal layer to form a vertical hole exposed out of the second metal layer; and the vertical holes are electroplated and filled to form stacked holes. By etching the metal material at the to-be-drilled position of the first metal layer, the thickness of the metal layer on the follow-up laser drilling path is reduced, the whole vertical hole can be drilled through laser, then the vertical hole is electroplated, filled and leveled up, the technology is simplified, and the machining efficiency is improved.

The invention relates to a method for preparing high-purity silicon tetrafluoride by dissociating fluosilicate through low-temperature plasma. The method comprises the following steps: crushing fluosilicate in a crusher, and heating and dewatering in a vibrated fluidized bed; the treated fluosilicate powder is conveyed to a plasma reactor through carrier gas to be dissociated to generate silicon tetrafluoride; and finally, silicon tetrafluoride generated by reaction enters a first-stage condenser to separate solid metal fluoride, then enters a cold hydrazine to be cooled for first-stage impurity removal, and then enters an adsorption tower for second-stage impurity removal, so that high-purity silicon tetrafluoride is obtained. The fluosilicate is dissociated by adopting a low-temperature plasma technology, so that high-purity silicon tetrafluoride is efficiently prepared under a low-temperature condition; meanwhile, the one-step method is short in conversion process, fluorine-containing waste is not generated, a simple purification step is combined, the production cost and the environment-friendly burden are reduced, the raw material adaptability is high, and operation is easy.

This invention discloses an integrated super-resolution imaging and detection method for scanning radar based on neural networks. The method constructs an objective function based on the sparsity of the target object, the low-rank nature of the background, and convolutional inversion theory. The ADMM algorithm is used to solve the objective function, and the solution process is expanded into a parameter-learnable neural network. The parameters in the model are optimized and learned through a forward gradient iterative algorithm, thus transforming the problem of simultaneous super-resolution and target detection into an image loss optimization problem. Finally, through iterative training, the mapping relationship between the real-beam image, the super-resolution result, and the target detection result is obtained, thereby simultaneously achieving super-resolution imaging and target detection. This method simultaneously achieves super-resolution imaging of the scene and detection of sparse targets of interest. It can adaptively determine parameters based on information from different scenes, eliminating the step of manually setting parameters, effectively improving the adaptability of the method, and also improving processing efficiency.

This invention provides a lightweight photovoltaic module with heat insulation and noise reduction functions and its preparation method, relating to the field of photovoltaic module technology. The lightweight photovoltaic module structure includes: a front panel, an encapsulation layer, photovoltaic cells, a microcavity composite layer, and a back panel; the microcavity composite layer comprises: aerogel particles, polymer foamed microspheres, and a thermosetting resin matrix; the porosity of the aerogel particles is 85%-99%, and the particle size of the polymer foamed microspheres is 3-30 μm; the polymer foamed microspheres are thermoplastic polymer microspheres selected from at least one of polymethyl methacrylate, polyacrylonitrile, and polyvinylidene chloride. This invention overcomes the shortcomings of existing lightweight photovoltaic modules that are functionally limited and cannot meet the heat and sound insulation requirements of building envelopes, providing a multifunctional lightweight photovoltaic module integrating power generation, heat insulation, and noise reduction functions, as well as its preparation method.

The utility model discloses a wall-mounted machine display device with a side opening door structure, which comprises a device main body composed of a panel assembly and a back frame assembly, the panel assembly and the back frame assembly are opened and closed through a rotary opening and closing assembly, the panel assembly comprises a screen main body and a panel frame main body arranged on one side of the screen main body, and the back frame assembly comprises a back frame main body. The rotary opening and closing assembly comprises a connecting sleeve frame arranged on the edge of one side of the panel frame body, a rotating shaft is arranged in the connecting sleeve frame, a mounting groove corresponding to the connecting sleeve frame is formed in one side of the back frame body, and through holes corresponding to the two ends of the rotating shaft are formed in the two ends of the mounting groove. The utility model solves the problems that public service equipment in the prior art is complex in assembly structure, does not have a quick opening structure and is low in maintenance and repair efficiency.

The utility model discloses a fishing reel winder, and relates to the technical field of winders. The fishing reel winder comprises a shell, a transmission shaft is installed in the shell in a penetrating mode, a fixing mechanism is installed at the bottom of the shell, the shell is fixed to the surface of an object in an adsorption mode, and an adjusting mechanism used for adjusting rotation damping of a reel is installed on the outer side of the transmission shaft in a penetrating mode. The fixing mechanism comprises a base fixed to the bottom end of the shell in a penetrating mode, a suction cup is installed below the base in a penetrating mode, a transmission rod is movably installed above the suction cup, and the adjusting mechanism comprises a limiting shell installed on the outer side of a transmission shaft in a penetrating mode. The air between the bottom of the sucker and the mounting surface is exhausted, and then the transmission rods on the two sides are rotated to keep the transmission rods in a vertical state, so that the step of rotating a clamp screw rod is reduced, the mounting time is shortened, and the winder is fixed conveniently.

The application relates to the field of dyeing and finishing processes of textiles, and particularly discloses a short-process polyester-cotton school uniform fabric dyeing and finishing process which comprises the following steps: S1, knitted double-sided cloth is first subjected to enzyme treatment by adding enzymes and glacial acetic acid, without washing and liquid discharge, so as to obtain pretreated fabric; S2, dyeing auxiliaries and water are added to the pretreated fabric, acid is added to adjust the pH, then dyes are added to perform dyeing treatment, and after refining, dyed fabric is obtained; S3, the dyed fabric is subjected to reduction cleaning and cloth washing, and after drying, finished fabric is obtained; the process has the advantages of efficient treatment, high dyeing rate and good mechanical performance of the fabric.

This utility model discloses a foldable stool core, including a fixing plate for conforming to the abdomen and a foldable seat plate. The fixing plate has a mounting cavity at one end, and the seat plate is rotatably connected to the mounting cavity at one end. A locking unit is provided within the mounting cavity, comprising a locking block, a first engaging block, and a second engaging block. These three blocks are rotatably mounted within the mounting cavity. A limiting part is provided between the locking block and the seat plate, allowing the locking block to rotate synchronously with the seat plate via the limiting part. This design allows the seat plate to be opened for the baby to sit on simply by rotating it to a certain angle. When folding is needed, simply continue rotating it to a certain angle to unlock the locking mechanism. The seat plate can be rotated and folded without manual unlocking of the locking unit, reducing steps and making it convenient for users.

This application relates to the field of memory management technology, and in particular to a method, apparatus, terminal device, and storage medium for allocating memory for in-vehicle software transmission. The method includes: performing a memory pool initialization operation after system startup; upon receiving an upgrade task from a server, obtaining the task space of the software package to be upgraded and checking the remaining available space in the memory pool; if the remaining available space in the memory pool matches the task space of the software package to be upgraded, obtaining a contiguous memory block of the corresponding size from the memory pool as working memory; writing the received upgrade data into the working memory to perform the upgrade operation, and sending a confirmation signal to the server to synchronize the upgrade status; after the upgrade operation is completed, releasing the working memory back into the memory pool. This solution optimizes the steps in the entire software flashing process, reduces latency, and increases work efficiency.

This invention discloses a method for the coordinated detection of the radius of curvature and surface shape error of a toroidal optical element, comprising the following steps: S1, determining the position of the CGH compensator relative to a laser plane wave interferometer; S2, determining the position of the toroidal optical element and acquiring the radius of curvature data; S3, zero-position measurement to acquire the surface shape error data of the optical surface of the toroidal optical element. This method for the coordinated detection of the radius of curvature and surface shape error of a toroidal optical element has advantages such as fewer steps, ingenious design, and the ability to achieve coordinated detection of the radius of curvature and surface shape error of the toroidal optical element.

This utility model discloses a silver sheet assembly for new energy batteries, including silver sheets for connectors and a packaging box. The packaging box includes an upper box and a lower box, with antistatic pearl cotton inside. The antistatic pearl cotton is coated with antistatic liquid. Insert rods and insertion holes are respectively provided on the contacting end faces of the upper and lower box bodies. Each of the upper and lower box bodies has a locking block fixedly installed on the lower edge of its left side and a locking groove on its right side. After installation, the combination of the two locking blocks matches the combination of the two locking grooves. Positioning grooves are provided on the top and bottom surfaces near the edges of both the upper and lower box bodies. The packaging box also includes a retaining block. This application, by setting up a packaging box, encapsulates the silver sheets for connectors. The antistatic pearl cotton eliminates static electricity, and the packaging box provides protection, shortening the steps before loading into the wooden crate and saving on production processes.

The application discloses a deep foundation pit dewatering well assembly and a plugging method thereof, comprising a well sleeve and a sleeve pipe. The application has the beneficial effects that waterproof coiled materials are arranged at pouring positions respectively when pouring concrete, the water seepage probability after aging of a flange plug rubber gasket is effectively reduced by increasing waterproof measures, the water pump is convenient to replace and maintain during dewatering, all the water pumps can be taken out during plugging to reduce cost, welding construction is not needed during construction, pouring concrete can be immediately carried out after the water pump is taken out, flange plug installation is quickly completed to achieve the effect of rapid plugging, and the well plugging process is simple in operation, few in steps, fast in speed and good in effect compared with other methods.

The application relates to a preparation method of an N, P co-doped Fe-based electrocatalyst and application thereof. The preparation method of the embodiment comprises the following steps: preparing a mixture of FeN2P1 metal organic complex, a carbon carrier and dicyanodiamine; and baking the mixture under an inert atmosphere, wherein the baking process comprises the following steps: firstly, heating to 500-550 DEG C and keeping for 1-3 hours, and then heating to 700-900 DEG C and keeping for 1-3 hours, so as to obtain the N, P co-doped Fe-based electrocatalyst. The Fe-based electrocatalyst prepared by the application has excellent catalytic activity and stability for ORR and OER reactions.

The utility model relates to medical instrument technical field discloses portable anesthetic gas filtration and purification device, pack filter box, the opening of filter box is provided with the box cover, the inside of box cover is provided with the cavity, the inside wall of cavity is provided with fixed component, the inside wall of filter box is provided with a plurality of activated carbon screen, the both sides of filter box are provided with support component, the fixed component includes the rotary block of rotary connection in the inside wall of cavity and two mounting blocks of sliding connection in the inside wall of cavity. This portable anesthetic gas filtration and purification device, through rotating the rotary plate drive rotary block rotation, utilize the linkage of connecting rod and spring, realize the automatic ejection and embedding of clamping block, after the quick disassembly of box cover, can directly draw out old activated carbon screen and replace new screen, can quickly complete operation, need not extra tool, save the step of screwing screw one by one, can save precious time in first-aid or transfer scene.

The application discloses a feeding structure and a feeding system. The feeding system and the feeding structure can install a plurality of to-be-installed pieces in the installation channel when in use, then drive the feeding piece to clamp at least two to-be-installed pieces through a driving assembly, and then drive the feeding piece to move along the direction close to the outlet of the installation channel in an intermittent driving mode to transport the to-be-installed pieces to the next process one by one. Thus, compared with the mode of taking a bolt, installing, taking a bolt and installing in the traditional bolt installation process, the bolt installation steps in the application are in the mode of grabbing, moving, assembling, moving, assembling, moving and assembling, the step of repeatedly taking a bolt can be reduced, and the installation efficiency can be effectively improved.

A first piece (13) includes a first ring portion (13b) and a second ring portion (13c) which are arranged side by side in an axial direction and an inner diameter and an outer diameter of the first ring portion (13b) are respectively larger than an inner diameter and an outer diameter of the second ring portion (13c). A second piece (16) is obtained by pressing the first piece (13) while the first piece (13) is disposed between a first set and a second set.

The utility model discloses a basement bottom plate corner construction combined type waterproof structure which comprises one or more waterproof structure bodies, and splicing sealing structures are arranged between the waterproof structure bodies. The waterproof structure body is further provided with a reinforcing structure, a sealing structure, a waterproof layer and a decorative layer. The splicing sealing structure comprises a splicing structure and a sealing structure. The splicing structure is used for splicing and combining the two waterproof structure main bodies according to the length requirement, so that the waterproof structure can be used for basement corners with different lengths, the applicability is improved, the customization cost is reduced, steps are reduced, and the construction efficiency is improved; by arranging the sealing structure, the connection sealing performance, the service life and the waterproof performance between the two waterproof structure main bodies are guaranteed; the reinforcing structure is arranged to prevent the deformation meter from reducing the overall thickness, and the influence of the thickness on the size compactness of the corner of the basement bottom plate is reduced.

This invention relates to the field of autonomous driving technology, providing a method and system for autonomous driving simulation testing based on functional design documents. The method includes: sending a simulation test form to the cloud and receiving an intermediate simulation test scenario file returned from the cloud; the simulation test form is obtained by sequentially parsing and classifying requirement management information; the requirement management information is extracted from the functional design document; the intermediate simulation test scenario file is obtained by running a form processing tool based on the Django web framework, using the simulation test form as input; the form processing tool is deployed in the cloud; a simulation test scenario is generated based on the intermediate simulation test scenario file, and autonomous driving simulation testing is performed based on the simulation test scenario. The simulation test scenario obtained by this invention can comprehensively cover the requirement management information in the functional design document, better meet testing requirements, and eliminates the step of secondary selection of scenario sets based on requirements in existing scenario construction methods.

This utility model discloses a water tank mounting device, including a water tank, a ring-shaped frame, and a supporting structure. The water tank includes a bottom and a wall. The top of the wall has several circumferentially spaced sleeves. The water tank is fixed with several circumferentially spaced pull straps, at least partially extending outside the water tank. The ring-shaped frame includes several side tubes that horizontally pass through the inner holes of the sleeves. The supporting structure includes several foot tubes, each equipped with a foot seat. The upper end of the foot tube can be detachably inserted into the ring-shaped frame, and the lower end can be detachably inserted into the foot seat. The ends of the pull straps are connected to the supporting structure. It has the following advantages: it saves the step of placing the plug on the upper and lower parts of the pull straps, simplifying the process and making assembly convenient; the use of foot seats, which connect to the pull straps, prevents the foot seats from shifting outwards; and the foot tubes are inserted into the foot seats, ensuring high support stability.