26results about How to "Good compressibility" patented technology

This utility model relates to the field of photovoltaic module technology, specifically providing a correction device for photovoltaic modules, aiming to solve the problem of how to avoid deviations in correction caused by incoming material errors. To this end, the correction device for photovoltaic modules of this utility model includes a correction wheel, a first transfer mechanism, an elastic structure, and a position detection component. The first transfer mechanism includes a moving part; the moving part is connected to the correction wheel through the elastic structure. The first transfer mechanism is configured to drive the correction wheel to move and abut against the side of the photovoltaic module, thereby forcing the elastic structure to deform. The position detection component is configured to detect the actual position of the correction wheel, so as to determine the deviation size of the photovoltaic module based on the actual position and the preset position of the correction wheel. The correction device of this utility model can determine the deviation size of the photovoltaic module and adjust the correction size according to the deviation size to improve the correction accuracy, and also improve the working accuracy of subsequent processes.

This invention relates to the field of solid-state battery technology, and particularly to a composite solid-state electrolyte material, its preparation method, and its application. The composite solid-state electrolyte material contains a crystalline phase substance with the general chemical formula: B%A a RE b X 1 c D g +C%A d M e X 2 f D h Where A represents charge carriers; RE represents rare earth elements; M represents metallic elements; X represents... 1 X 2 D is a halide anion; A is an anion doping element or group; a RE b X 1 c D g and A d M e X 2 f D h It is a crystalline phase substance; B% is A a RE b X 1 c D g The mass fraction of the composite solid electrolyte material; C% is A d M e X 2 f D h The mass fraction of the composite solid electrolyte material is defined as follows: 0 ≤ a ≤ 3, 0 < b ≤ 1, 0.5 < c ≤ 12, 0 < d ≤ 5, 0 < e ≤ 2, 1 < f ≤ 20, 0 ≤ g ≤ 4, 0 ≤ h ≤ 5; 85 < B + C < 98, 10% < B% ≤ 85%; 10% < C% ≤ 85%, 0.2 ≤ C / B ≤ 10. The composite solid electrolyte material of this invention includes crystalline and amorphous phase components, giving it high ionic conductivity. The use of moisture-resistant non-metallic halide components instead of traditional halides and oxyhalides in the raw materials also provides it with good air stability.

An image data encoding / decoding method and a computer readable recording medium are disclosed. The image decoding method includes receiving a bitstream in which an image is encoded, obtaining a plurality of lower blocks from an upper block in a current image by using block partitioning based on a tree structure, generating a prediction image of the current image by referring to syntax information obtained from the bitstream, and obtaining a decoded image by combining the generated prediction image with a residual image obtained by performing inverse quantization and inverse transformation on quantized transform coefficients from the bitstream.

This invention discloses a method for evaluating the multi-dimensional coupling aerodynamic performance of a modal selector valve and an engine, belonging to the field of aero-engines. The steps are as follows: establishing a three-dimensional model of the modal selector valve; simulating the model to obtain its flow performance; establishing a computational model of the modal selector valve and calculating the total pressure after the valve; integrating a high-fidelity characteristic calculation model of the component with a zero-dimensional model of the entire engine; inputting the engine's design point performance parameters and performing design point calculations; given the engine control law and the engine's non-design point operating conditions, performing calculations; determining the convergence of the computational model; obtaining the engine characteristic diagram and aerodynamic performance under arbitrary operating conditions, thus obtaining the aerodynamic performance results considering the overall coupling effect of the modal selector valve and the engine. This invention solves the problems in existing technologies where the calculation accuracy of the overall performance calculation code for variable cycle engines cannot meet the design requirements of variable cycle engines, and the coupling of various engine components is poor.

The utility model provides a spherical tablet, and belongs to the field of pharmaceutical preparations. The spherical tablet comprises an upper hemisphere, a lower hemisphere and a middle belt, and the middle belt is located in the middle of the spherical tablet and is in a belt shape with the same thickness. The upper hemisphere and the lower hemisphere are located on the two end faces of the middle belt, and the two hemispheres are the same in size and shape. The diameter of the middle zone is larger than the diameter of the hemisphere, the diameter of the hemisphere of an upper stamping die and the diameter of the hemisphere of a lower stamping die of a tablet pressing die adopted when the spherical tablet is pressed ranges from 6.5 mm to 10 mm, and the ratio of the arc depth to the diameter of the hemisphere is (0.2-0.4): 1. The spherical tablet is small in size, easy to swallow, high in drug loading capacity and less in taking quantity; and the tablet has the advantages of good compressibility, good hardness, strong shock resistance and wear resistance, small tablet weight difference, facilitation of later coating and other operations, and good uniformity and reproducibility.

The application provides a composite material for sludge dewatering, a preparation method thereof and a sludge dewatering conditioner. The composite material for sludge dewatering comprises magnetic porous carbon and molybdenum disulfide loaded on the magnetic porous carbon, wherein the magnetic porous carbon comprises porous carbon and ferroferric oxide loaded on the porous carbon. The preparation method comprises the following steps: mixing the magnetic porous carbon with a molybdenum source and a sulfur source, and performing a hydrothermal reaction to make the molybdenum source and the sulfur source react to generate molybdenum disulfide; after the reaction is completed, performing solid-liquid separation, collecting the solid product, and calcining the solid product under an inert atmosphere at 350-450 DEG C to obtain the molybdenum disulfide magnetic porous carbon composite material; wherein the magnetic porous carbon comprises porous carbon and ferroferric oxide loaded on the porous carbon; and the composite material for sludge dewatering can construct a molybdenum disulfide magnetic carbon-based composite material with a large specific surface area, high catalytic activity and high universality, and the composite material can improve the sludge dewatering performance.

The invention relates to the technical field of traditional Chinese medicine and health food processing, and discloses a preparation process and application of a black ginseng extract lozenge, and the preparation process comprises the following steps: crushing starch, powdered sugar and polyethylene glycol in parts by weight, and sieving for later use; performing ultrasonic extraction and vacuum concentration on the black ginseng to obtain a black ginseng concentrated solution; slowly adding a pre-prepared black ginseng concentrated solution into the sieved starch and powdered sugar, and stirring to prepare a soft material; granulating, drying and finishing the soft material to obtain dry granules; and adding sieved polyethylene glycol into the dry particles, uniformly mixing, tabletting, forming, and sterilizing by ultraviolet radiation to obtain the buccal tablets. According to the method, ultrasonic-assisted extraction is adopted, so that degradation of heat-sensitive rare saponin is avoided; the concentrated solution is directly granulated, so that the difficulty that the extract absorbs moisture and is sticky is overcome, and the forming rate is increased; the prepared lozenge can activate a PI3K-Akt signal channel and regulate release of 5-HT, and can be used for preparing products for relieving chronic fatigue syndrome and improving spatial cognitive impairment.

The invention discloses a preparation method of inositol nicotinate tablets, and belongs to the technical field of pharmaceutical preparations. By optimizing the existing process and coating components, stable dissolution of drugs is realized, and the method comprises the following steps: dispersing inositol nicotinate in mixed oil to prepare an oil phase, mixing and emulsifying the oil phase and a water phase, performing spray drying to obtain drug milk powder, coating the drug milk powder with modified chitosan, and directly tabletting the coated drug milk powder and auxiliary materials. The preparation method comprises the following steps: uniformly dispersing inositol nicotinate in mixed oil to promote the inositol nicotinate to maintain the uniformity of the drug content in the subsequent process, and adsorbing solid particles on the surfaces of drug-containing oil drops through an emulsification technology to protect the drug components; coating components are reasonably designed, so that fixed-point release of the medicine is realized, the medicine is endowed with anti-pressure ability, and the medicine can be directly tableted; and the coated medicine particles are mixed with auxiliary materials and then are directly tableted, so that the process is simplified, and the coating structure of the medicine particles is protected at the same time. The preparation method can prepare the inositol nicotinate tablet with stable drug dissolution, and the inositol nicotinate tablet is good in taste and small in stimulation to gastric mucosa.

The utility model discloses an external wall thermal insulation and decoration integrated composite board, which is applied to the external corner of a building and comprises an external corner decorative board and an external corner thermal insulation board, the external corner decorative board and the external corner thermal insulation board are in an integrally-formed right-angle shape, and the external corner thermal insulation board is compounded on the inner side wall of the external corner decorative board through a second cementing layer. The external wall thermal insulation and decoration integrated composite board is applied to the external corner of a building, seamless treatment is adopted, and the integrity of a thermal insulation layer at the external corner of the building is guaranteed.

The video encoding / decoding method and apparatus according to this disclosure can: configure an intra-frame merging list for the current block, the intra-frame merging list including multiple intra-frame merging candidates; derive an intra-frame prediction mode for the current block based on the intra-frame merging list; and generate a prediction block for the current block based on the intra-frame prediction mode.

The invention relates to the field of tea processing, and provides a tea granulation method based on a moisture activation dry granulation technology, which comprises the following steps: selecting raw materials, removing impurities, carrying out fixation, drying, screening, chopping the raw materials into powder, putting the raw materials into a granulation device, adding an adhesive, spraying, adding a hygroscopic material, and taking out finished product particles. The tea particles are prepared by using a moisture activation dry method, so that the method has the advantages of increasing the granularity of the tea particles and improving the flowability and compressibility of the tea particles; meanwhile, the granules do not need to be dried again in the granulation process, the used water amount is small, the advantages of being wide in application range, high in efficiency and low in energy consumption are achieved, and the number of operation procedures is small in the continuous production process; compared with a conventional tea granulation method, the tea granulation method has the advantages that the amount of water used in the tea granulation process is very small, and large cakes cannot be formed.

The invention discloses an imrecoxib solid preparation and a preparation method thereof, and belongs to the technical field of pharmaceutical preparations, the solid preparation comprises the following components by mass: 15-25% of imrecoxib, 10-40% of pea maltodextrin, 10-40% of Soluplus, 1-3% of poloxamer, 10-30% of a filler, 10-20% of a disintegrating agent, 0.8-1.2% of a flow aid and 0.8-1.2% of a lubricant. Through synergistic interaction of triple carriers, Soluplus inhibits drug crystallization by means of hydrogen bonds and promotes dispersion; the poloxamer reduces the surface tension and improves the dispersity and the dissolution rate; the pea maltodextrin plays an anti-oxidation role, improves the sphericity, fluidity and stability of the particles, and is low in cost. Aiming at the difficulties that imrecoxib is low in solubility, easy to oxidize and the like, medicine dissolution is remarkably improved, related substances are more stable, and both process robustness and cost control are considered.

The invention relates to the technical field of heat dissipation, in particular to a phase-change composite heat-conducting gasket with vertical corrugated channels and a preparation method of the phase-change composite heat-conducting gasket. The invention aims to solve the problems of high hardness, poor compression compliance and large interface contact thermal resistance of the existing vertical orientation carbon-based heat conduction material and improve the actual heat dissipation efficiency of the thermal interface material in a high-power electronic device. According to the main scheme, high-heat-conductivity graphene paper or graphite paper serves as a framework base material, a composite heat conduction core with vertically-arranged bent heat conduction channels inside is constructed, and a phase-change material skin layer is combined on the surface of the composite heat conduction core. Rigid compression of the material can be converted into geometric bending deformation by utilizing an internal vertically-oriented micro-ripple structure (the section can be sine waves, sawtooth waves, trapezoidal waves or asymmetric ripples and the like), so that the compression resilience and the stress buffering capacity of the material are effectively improved; and meanwhile, the interface contact thermal resistance is effectively reduced by virtue of the self-adaptive wetting characteristic of the phase change material layer on the surface at the working temperature.

The application relates to the field of circuit breakers, and particularly discloses a movable-end adjustable vacuum circuit breaker, which comprises a side plate, an arc extinguishing mechanism and an operating mechanism, the arc extinguishing mechanism comprises a vacuum arc extinguishing chamber and an upper compression assembly, the upper compression assembly comprises a compression spring, the operating mechanism is used for driving the compression spring to move away from the end of the vacuum arc extinguishing chamber and move towards the vacuum arc extinguishing chamber, the arc extinguishing mechanism further comprises an upper adjusting assembly, the upper adjusting assembly comprises an upper screw rod and an adjusting nut which is screwed on the upper screw rod, the upper screw rod is connected to a movable conducting rod of the vacuum arc extinguishing chamber, the end of the compression spring close to the vacuum arc extinguishing chamber is in abutment with the adjusting nut, and an operating opening aligned with the adjusting nut is formed in the side plate. The application has the effect of improving the convenience of adjusting the compression amount of the compression spring by the staff.

The utility model discloses an air damping spring type large vehicle traction device, and belongs to the technical field of vehicle traction. An air damping spring type large vehicle traction device comprises a front traction beam and a rear traction beam hinged to the front traction beam, and the rear traction beam comprises a rear beam body and a cylinder fixedly connected to the rear beam body; one end of the traction rod is hinged to the front traction beam, a piston is fixedly connected to the traction rod and divides an inner cavity of the cylinder body into two damping cavities, damping parts are arranged in the two damping cavities, a through flow guide channel is formed in the piston, and the flow guide channel communicates with the two damping cavities; first-stage buffering is formed through the elastic force of the elastic damping piece, in the buffering process, along with the movement of the piston, gas in the two cavities is exchanged through the flow guide channel, and therefore the second-stage buffering and two-stage buffering mode is formed, and the buffering effect can be improved while the special strength of the traction rod is not increased. And a high buffering effect is still achieved for high impact force of braking of large vehicles.

Disclosed are an image encoding / decoding method and a method of transmitting a bitstream. A method of decoding a 360-degree image performed by an image decoding apparatus includes receiving a bitstream in which a 360-degree image is encoded, the bitstream including data of an extended two-dimensional image, the extended two-dimensional image including a two-dimensional image and a predetermined extension region, and the two-dimensional image being projected from an image having a three-dimensional projection structure and including one or more faces; generating a predicted image by performing prediction based on information about prediction included in the bitstream; and reconstructing the extended two-dimensional image based on the predicted image and a residual image.

The invention discloses an ion capacitance type flexible pressure sensor and a preparation method thereof, and relates to the technical field of flexible pressure sensors, the ion capacitance type flexible pressure sensor comprises an upper elastic packaging layer, an upper flexible electrode, a dielectric layer, a lower flexible electrode and a lower elastic packaging layer which are sequentially arranged from top to bottom; each of the upper flexible electrode and the lower flexible electrode comprises a flexible substrate layer and a conductive layer arranged on one side, facing the dielectric layer, of the flexible substrate layer, and the flexible substrate layer comprises a flexible plate body and a gradient micro-dome array arranged on one side, facing the conductive layer, of the flexible plate body; the gradient micro-dome arrays of the upper flexible electrode and the lower flexible electrode are arranged in an axial symmetry mode, and the gradient micro-dome arrays of the upper flexible electrode and the lower flexible electrode are arranged in a staggered mode, so that the gradient micro-dome arrays of the upper flexible electrode and the lower flexible electrode are in a precise interlocking state. According to the invention, the initial contact area between the upper and lower flexible electrodes and the dielectric layer is reduced, the vertical pressure can be dispersed into the horizontal thrust, and the compressibility and the contact area change rate of the device are obviously improved.

This invention discloses a solid dispersion, a pharmaceutical composition, a method for preparing the same, and its application. The solid dispersion of this invention comprises: (1) a compound of formula () or a pharmaceutically acceptable salt thereof; and (2) a polymer carrier, wherein the polymer carrier comprises one or more of copovidone, povidone, and hydroxypropyl methylcellulose; formula ().

The application discloses a kind of firmware differentiation hot upgrade method, comprising the following steps: new and old firmware file is imported into host computer;Extract the difference information of new and old firmware, construct upgrade information file;According to the function module of firmware, new and old firmware is segmented into new firmware segmented file and old firmware segmented file;In host computer, the difference information of new and old firmware segmented file is input and run upgrade patch construction algorithm, and the optimal upgrade patch file is obtained;Host computer transmits upgrade information file and upgrade file to lower computer;Lower computer restores new firmware by old firmware and upgrade file, and performs hot upgrade on firmware file according to upgrade information file in function module unit.The application segments firmware according to function module, and selects difference file in segmented file, so that the device can upgrade incremental patch during operation, and the difference algorithm is improved to reduce the size of difference file, with higher upgrade efficiency.

This application relates to a method for preparing a lithium battery negative electrode and a lithium battery, relating to the field of new energy. The method includes the following steps: coaxial electrospinning of a core solution and a shell solution to obtain a fiber membrane; carbonizing the fiber membrane to obtain a carbon fiber membrane; heat-treating the carbon fiber membrane in an ammonia atmosphere to obtain a current collector; preparing lithium metal on the surface of the current collector to obtain a pre-formed negative electrode; and pressing the pre-formed negative electrode to obtain a lithium battery negative electrode. The fiber membrane has a core structure and a shell structure, with the shell structure covering the core structure. The core solution is used to form the core structure, and the shell solution is used to form the shell structure. The core solution includes a carbonizable first polymer, and the shell solution includes a salt substance and a carbonizable second polymer. The metal element of the salt substance is at least one selected from chromium, nickel, cobalt, manganese, iron, copper, molybdenum, and zinc. This application readily yields a very thin lithium battery negative electrode.

The present application relates to a kind of direct compression tablet for preventing sticking and its preparation method, including the following weight parts of components: Chinese medicine dry powder 5~95 parts, filler 2.5~85 parts, glidant 2~8 parts, lubricant 0.5~2 parts.The present application can solve the sticking problem caused by hygroscopicity and static electricity in the process of tabletting of hygroscopic material, and the tablet surface is neat and beautiful, and the characteristics meet the requirements.The preparation process is simple, and does not need to pass through wet granulation or dry granulation process, the evenness problem in mixing step in preparation process is solved by the sub-adding of filler and lubricant in mixing process, the flowability, uniformity and compressibility of intermediate powder before tabletting are good by compounding and process treatment of Chinese medicine powder premix and excipient, no sticking occurs in powder direct compression process, and the hardness, disintegration time, stability and other properties of the final direct compression tablet are good.

This invention relates to a selenium-containing compound vitamin chewable tablet and its preparation method, comprising the following raw materials in parts by weight: 10-16 parts selenium-enriched yeast, 25-35 parts L-ascorbic acid, 0.5-1 part vitamin K, 10-20 parts sorbitol, 1-3 parts DL-α-tocopherol acetate, 3-8 parts sodium octenyl succinate starch, 1-5 parts acetylated distarch adipate, 0.7-1.2 parts magnesium stearate, 0.3-0.5 parts potassium citrate, 0.04-0.07 parts steviol glycosides, and 5-10 parts modified silica. This invention improves the crispness and palatability of the chewable tablet by adding acetylated distarch adipate and sodium octenyl succinate starch; the addition of modified silica effectively reduces vitamin attenuation and improves the stability of the components.

This invention discloses a method for preparing finasteride tablets, relating to the field of pharmaceutical preparation technology. The method includes: preparing a surfactant into an aqueous solution, adding a first-prescription amount of binder to form a binder suspension; premixing finasteride, a filler, a first-prescription amount of disintegrant, and a second-prescription amount of binder to obtain a premixed material; adding the binder suspension to the premixed material for wet granulation to obtain wet granules; drying and sizing the wet granules, then mixing them with a second-prescription amount of disintegrant and lubricant, and compressing the mixture into tablets. This invention, while ensuring rapid tablet release, achieves the production of tablets with suitable hardness and stable properties at a relatively low compression pressure. Furthermore, this invention utilizes non-organic solvents for granulation, significantly improving the stability, safety, and industrial production efficiency of the final product without the addition of non-standard excipients.

This invention provides a deep learning image compression method and its content-adaptive context extraction method and system. The content-adaptive context extraction method employs a two-pass encoding approach. After obtaining the latent variables, content-adaptive anchor points are extracted in the first encoding pass. In the second encoding pass, context information is extracted from these anchor points as auxiliary prediction information for encoding the remaining latent variables. The complexity of different regions of the latent variables is assessed using the distribution prediction standard deviation. The anchor point positions of the content-adaptive distribution are extracted through masking operations, and context information is calculated from them for the second encoding pass. The results of the two encoding passes are merged and input into the decoder to obtain the reconstructed image. This invention achieves a more efficient reference anchor point selection scheme, improving overall compression performance with negligible increases in computational complexity.

This invention belongs to the field of high-pressure fluid jet control technology, and particularly relates to a pressure stabilizing device and jetting method based on supercritical carbon dioxide high-pressure jet. It includes a carbon dioxide storage cylinder, a cold bath connected to the outlet of the carbon dioxide storage cylinder, a cold bath outlet connected to a liquid carbon dioxide storage tank, a storage tank outlet connected to a booster pump inlet, a booster pump outlet connected to a hot bath, and a hot bath outlet connected to a jet pressure stabilizer. One end of the jet pressure stabilizer has a nitrogen inlet pipeline, and the other end has a high-pressure supercritical carbon dioxide outlet pipeline. The high-pressure supercritical carbon dioxide outlet pipeline is connected to the jetting system. The jetting system also includes an impact force characteristic testing component. This invention solves the problems of low operating efficiency, poor cutting effect, and difficulty in accurately controlling the fluid jetting process caused by fluid pressure fluctuations and sudden drops in engineering. This pressure stabilization method is simple, easy to implement, and convenient to control, and has broad application prospects.

This invention discloses an image encoding and decoding method, system, device, and storage medium. On the one hand, it improves the encoder and decoder in the image encoding and decoding model; on the other hand, when performing autoregressive hyperparameter context estimation, it uses row-by-row Rowcnn instead of traditional point-by-point Pixelcnn, which greatly reduces the fragmentation of computation I / O. Combining the above two aspects, it can reduce the computational complexity by one dimension, thereby accelerating the encoding and decoding speed, and can also improve image compression performance and ensure the quality of reconstructed images.