15results about How to "Good workmanship" patented technology

This invention discloses a muscle-relaxing and meridian-clearing health powder and its preparation and application methods, belonging to the technical field of traditional Chinese medicine external health care products. The health powder is composed of fifteen raw medicinal materials: safflower, angelica, asarum, kudzu root, red peony root, scutellaria, dragon's blood, saposhnikovia root, frankincense, myrrh, cinnamon twig, mugwort leaf, coptis root, *Lycopodium clavatum*, and *Clematis armandii*. These materials are dried, pulverized to 80-120 mesh, and then evenly mixed. This invention, through a unique formulation design, integrates multiple effects such as promoting blood circulation and removing blood stasis, dispelling wind and cold, relieving muscle tension and clearing meridians, and clearing heat and drying dampness. Combined with a refined pulverization process, it significantly improves the dissolution rate and transdermal absorption efficiency of the drugs. During use, a hot compress applied via steam allows the medicinal properties to directly reach the affected area, effectively relieving pain and discomfort in the neck, shoulders, waist, legs, and joints. This invention's product has a scientific formulation, advanced technology, is convenient to use, and highly safe, possessing broad market application prospects.

This invention belongs to the field of aircraft separation structure design technology, specifically relating to an explosive bolt collection device and its design method suitable for compact axial space. The method includes: Step 1, determining the initial velocity and initial kinetic energy of the explosive bolt remnant; Step 2, selecting buffer structure connecting fasteners based on the initial kinetic energy of the explosive bolt remnant calculated in Step 1; Step 3, designing the collection structure based on the initial kinetic energy of the explosive bolt remnant calculated in Step 1 and the buffer structure connecting fasteners selected in Step 2; Step 4, conducting numerical simulation analysis and ground tests on the bolt collection device designed in Steps 2 and 3 to verify the feasibility of the design method for an explosive bolt collection device suitable for compact axial space. This invention can solve the problems of complex structure, high axial space requirements, and the risk of rebound in explosive bolt collection devices.

This invention belongs to the field of image transmission fiber technology and discloses a bend-insensitive high-resolution image transmission fiber and its fabrication method. The image transmission fiber provided by this invention comprises several image transmission cores and a co-cladding layer between the image transmission cores; each image transmission core includes, from the inside out, a core layer, a recessed layer, an inner cladding layer, and a light-absorbing layer; the light-absorbing layer is quartz glass containing absorber ions and fluorine. The fabrication method of the image transmission fiber provided by this invention includes preparing a light-absorbing core rod, drawing the light-absorbing core rod to obtain a light-absorbing capillary rod, stacking several light-absorbing capillary rods in a pure quartz glass sleeve to obtain an image transmission fiber preform, and drawing the image transmission fiber preform to obtain a bend-insensitive high-resolution image transmission fiber. This invention can improve the imaging resolution of the image transmission fiber, and the fabrication method has the advantages of simple and convenient process and strong production stability.

The application relates to the technical field of bridge erecting machines and discloses an integrated flow distribution valve group arranged in a pump station and comprising m oil inlets, each of which is connected with different control oil paths; n oil outlets, the distal ends of the oil pipes connected with each oil outlet being total oil inlets, the total oil inlets being connected to adjacent execution groups; m*n one-way valves, each oil inlet being connected to n oil outlets through n parallel pipelines, and n one-way valves being arranged in the n parallel pipelines one by one; and front-end oil pipes of all the one-way valves corresponding to one oil inlet meeting in the valve group, and rear-end oil pipes of all the one-way valves corresponding to one oil outlet meeting in the valve group. The integrated flow distribution valve group solves the problems of too long total length of oil pipes and poor pipe arrangement process in the traditional oil pipe arrangement scheme.

This invention discloses a high-safety, high-cycle-life in-situ cured gel polymer electrolyte and its preparation method, belonging to the field of lithium-ion battery technology. The electrolyte is formed by in-situ polymerization of a gel precursor solution inside the battery triggered by an energy field. The precursor solution contains acrylamide and / or methacrylamide polymerizable monomers, multifunctional acrylate and / or methacrylate crosslinking agents, phosphorus-containing polymerizable flame-retardant components, an initiator, lithium salt, and an organic solvent. The preparation method includes preparing the precursor solution, injecting it into the pores of the battery cell, and in-situ curing triggered by heat or ultraviolet light. Through the synergistic effect of in-situ gelation and gradient electrodes, continuous and stable ion transport channels and flame-retardant networks are constructed within the electrode pores, thereby simultaneously improving the battery's abuse safety and low-temperature cycle life.

This invention discloses a method for fabricating a perovskite solar cell optoelectronic module. After depositing the oxide layer and before P2 laser scribing, a pre-coating step is added: a heat-absorbing layer is pre-coated onto the oxide layer and cured. The heat-absorbing layer has a conduction band level greater than -5.43 eV and a conductivity greater than 10. ‑6 The material has an Ω / m density, and the heat-absorbing layer covers the P2 laser scribing area; the P2 laser scribing is performed using a laser in the 355-2000nm wavelength band. This invention can improve the long-term operational stability of the equipment and reduce equipment costs, thereby meeting the needs of large-format, high-efficiency production and enabling the mass production of this type of perovskite solar cell.

This invention discloses a multifunctional medical repair ozone oil composition and its preparation method, belonging to the technical field of medical external care preparations. The composition uses 1%–60% ozonated oil and animal repair oils as its core components, and can selectively add petrolatum, vitamin E, chitosan, and natural plant fragrance essential oils. The surgical skin-specific formula can add peppermint and borneol to enhance penetration, while the gynecological formula is gentle and non-irritating. This product has multiple effects, including antibacterial and anti-inflammatory properties, antipruritic and analgesic effects, moisturizing and repairing properties, and promoting the healing of mucous membranes and skin wounds. It is suitable for gynecological intimate care, surgical skin repair, and can also be applied externally to the back to soothe respiratory discomfort and to the abdomen to relieve abdominal pain and bloating. It has a wide range of applications, high clinical value, and is suitable for large-scale production and clinical promotion.

This invention discloses a nanoscale α-alumina and its preparation method. Polyethylene glycol, citric acid, and ammonium aluminum sulfate are sequentially added to a urea solution and mixed to obtain a mixed solution. Ammonia water is then added dropwise to the mixed solution, and the mixture is allowed to stand and age to obtain a precursor suspension. The precursor suspension is then separated into solid and liquid phases, and the resulting solid phase is the alumina precursor. The alumina precursor is then calcined to obtain α-alumina. The α-alumina provided by this invention is a pure phase, free of impurities such as γ-Al₂O₃, with a complete crystal structure, a particle size ≤150 nm, a particle size distribution CV value <15%, excellent dispersibility, no obvious hard agglomerates, and a higher specific surface area, making it suitable for applications in high-end electronic ceramics, precision polishing, and other fields.

This invention, entitled "A High-Transmittance Polyimide Film Main Material, Film Coating, Composite Film Material, and Their Preparation and Application," belongs to the field of materials technology. Addressing the problems of easy surface cracking and significant degradation of optical performance after radiation in existing transparent anti-ionic oxygen polyimide films, this invention provides a polyimide film with high optical transparency and strong anti-ionic oxygen erosion resistance. The key technical point is a high-transmittance polyimide film main material, comprising an aromatic phosphorus-containing diamine, an alicyclic dianhydride monomer, and an organic solvent; the aromatic phosphorus-containing diamine is 2,5-bis[(4-aminophenoxy)phenyl]diphenyloxyphosphine; the alicyclic dianhydride monomer is selected from at least one of 1,2,3,4-cyclobutanetetracarboxylic dianhydride, 1,3-dimethyl-cyclobutane-1,2,3,4-tetracarboxylic dianhydride, and 1,2,3,4-tetramethyl-1,2,3,4-cyclobutanetetracarboxylic dianhydride.

This invention relates to the field of battery technology, specifically providing a dry-process lithium replenishment equipment to address the high risk associated with existing lithium replenishment equipment. To this end, the dry-process lithium replenishment equipment of this invention includes a feeding device, a film processing roller mechanism, a first spraying mechanism, a second spraying mechanism, and a film composite roller mechanism. The film processing roller mechanism can form a first film and a second film from the negative electrode fibrous active material. The first and second spraying mechanisms can spray an adhesive and inert lithium powder onto the surfaces of the two films, which are then composited by the film composite roller mechanism to form a lithium-containing film. This configuration allows the lithium replenishment equipment of this invention to form a lithium-containing film from the negative electrode fibrous active material and inert lithium powder. In practical applications, the lithium-containing film is then adhered to the negative electrode current collector to form a lithium-replenishing electrode sheet. This results in low risk and high efficiency in lithium replenishment. The lithium powder layer is sandwiched between the two films, thus providing effective protection for the lithium powder layer.

The application provides a curved carbon tube honeycomb cementing assembly process method and a curved carbon tube honeycomb core, and comprises the following steps: S1, processing an assembly mold and a sticking mold; S2, using a carbon tube adhesive film to assist in positioning and sticking the mold; S3, cementing carbon tubes in the cementing assembly mold; S4, cementing graphite reference blocks in the carbon tubes at the central positions of four quadrants; S5, placing an equalizing plate on a non-sticking tooling surface, and curing the carbon tube honeycomb on the mold; S6, performing high and low temperature treatment and vacuum degassing on the carbon tube honeycomb on the mold; S7, positioning the carbon tube honeycomb in a supporting tooling, setting an expansion type clamping device, and quantitatively pressing the inner wall of the carbon tube; S8, processing a convex curved surface on the carbon tube honeycomb according to a model; S9, assembling the carbon tube honeycomb on a honeycomb convex surface supporting mold, and fixing the carbon tube honeycomb by using the expansion type clamping device; and S10, processing a concave curved surface on the carbon tube honeycomb according to a model.

This invention provides an LED chip and its fabrication method. The method involves providing a composite substrate comprising a first substrate, a bonding layer, and a second substrate stacked sequentially. Next, after growing epitaxial layers and forming corresponding contact electrodes on the surface of the composite substrate, the bonding layer is exposed at the edge of the LED chip by a grinding process along one side of the composite substrate. Finally, the bonding layer and the first substrate are simultaneously removed by etching. This avoids physical grinding of the entire substrate while achieving uniformity in LED chip thinning. Furthermore, in the fabrication process of the LED chip of this invention, the second substrate does not require direct processing, and the final thickness of the LED chip is determined by the thickness of the second substrate. Therefore, the thickness of the LED chip of this invention is easily controlled, making it particularly suitable for small-sized LED chips.

This application discloses a method for synthesizing thiazolinyl dithioalkyl sulfonate, relating to the field of chemical synthesis. The method includes the following steps: mixing 2-mercaptothiazoline, polydithioalkyl sulfonate, and a solvent to obtain a mixture; adding an alkaline catalyst to the mixture; reacting and then separating and purifying to obtain the thiazolinyl dithioalkyl sulfonate; the general structural formula of the polydithioalkyl sulfonate is: ; where M is an alkali metal ion and n is an integer from 1 to 5. This invention uses 2-mercaptothiazoline and polydithioalkyl sulfonate as raw materials, and performs an alkaline-catalyzed thiol / disulfide exchange reaction. Through a precipitation-crystallization purification process, it is beneficial to improve the yield (≥90%) and purity (≥98%) of the synthesized thiazolinyl dithioalkyl sulfonate. It has advantages such as convenient process, good safety, low waste, high atom economy efficiency, and ease of scale-up production.

This invention discloses a modular missile wing connection structure with adjustable position. The structure includes a missile body to which wings are connected; four elongated rectangular planes of equal thickness are arranged at equal angles along the axial direction of the missile body, and several equally spaced rectangular grooves are formed on the elongated rectangular planes along their axial direction; a wing flange is provided at the wing root of each wing, and several equally spaced rectangular locking blocks are provided at the bottom of the wing flange; the rectangular locking blocks cooperate with the rectangular grooves to connect several wings to the missile body; the number of rectangular grooves is greater than the number of rectangular locking blocks, and the relative position of the wings is adjusted by adjusting the insertion position of the rectangular locking blocks; several wings are fixed to the missile body by binding circular retaining rings. The above-mentioned wing connection structure is easy to assemble and disassemble and is adjustable, and can adapt to different combat mission requirements.

This invention belongs to the field of aerogel technology, specifically to a flame-retardant and heat-insulating aerogel blanket for power batteries and its encapsulation process. The process of this invention includes the following steps: (1) preparing adhesive: mixing phosphate ester flame retardant, inorganic flame retardant, nitrile rubber, epoxy resin and dicyandiamide curing agent evenly and setting aside; (2) applying the adhesive to a PET film using a coating machine, and drying to obtain PET coated with adhesive; (3) compressing and encapsulating the intermediate body through an encapsulation mold at a set temperature, and curing to obtain a flame-retardant and heat-insulating aerogel blanket for power batteries. This invention compresses and encapsulates the aerogel heat-insulating blanket, thereby reducing the volume occupied by the aerogel heat-insulating blanket in the battery pack. Moreover, it uses V-0 flame-retardant PET, applies a special adhesive film, compresses and adheres it on both sides, and encapsulates it on all four sides, thereby achieving both volume reduction and lightweight and neatness, while solving the problem of powder shedding from the aerogel blanket filler.