10results about How to "High structural density" patented technology

The utility model relates to a battery piece, a battery string and a laminated assembly. The battery piece comprises a piece body, a first grid line and a second grid line, one end of the piece body along a first direction is provided with a first edge, one end of the piece body along a second direction is provided with a second edge, and an included angle is arranged between the first direction and the second direction; the first grid line is arranged on the sheet body, and the first grid line extends towards the first edge to be electrically connected with other battery sheets so as to construct a battery string; the second grid line is arranged on the sheet body, one end of the second grid line is used for being electrically connected with the first grid line, and the other end of the second grid line extends towards the second edge to be used for being electrically connected with another second grid line in another battery string, so that the laminated assembly is constructed. The second grid line can be electrically connected with other battery strings at one end of the battery string in the second direction, so that when the battery string constructs the laminated assembly, the structural density of the laminated assembly is improved, and meanwhile, the energy density of the laminated assembly is improved.

The invention provides a high-temperature-resistant small optical system packaging structure and packaging method, and relates to the technical field of optical system packaging. According to the packaging method, firstly, high-temperature-resistant ceramic is used for preparing a high-temperature-resistant ceramic packaging structure base, and then small optical systems formed through sequential stacking are bonded to the high-temperature-resistant ceramic packaging structure base; and then, in a water-free and oxygen-free environment, an indium-based sealing welding ring is used, and welding among the high-temperature-resistant ceramic packaging shell, the indium-based sealing welding ring and the high-temperature-resistant ceramic packaging structure base is completed at low temperature. The thermal damage of low-temperature welding to devices in a small optical system is small, the residual thermal stress is small, the air tightness of a physical system is good, and the obtained packaging structure can keep high stability and air tightness in a high-temperature environment. The packaging structure base and the packaging shell of the packaging structure are both made of high-temperature-resistant ceramic, the overall thermal expansion of the packaging structure is consistent, and damage caused by inconsistent stress when the packaging structure works in a high-temperature environment is avoided.

The invention discloses a galaxy classification method and system based on deep learning, and the method comprises the steps: obtaining a large-scale patrolling galaxy image, and carrying out the preprocessing of the large-scale patrolling galaxy image; the preprocessed image is input into the ResCAFMS-Net network; a self-adaptive multi-scale fusion module is adopted to align and fuse multi-scale features output by different semantic levels of the ResNet-18 network; adaptive pooling is carried out on the fused large-scale sky patrol galaxy image features, a classification layer is input, probability distribution of galaxy form categories is obtained, and a final classification result is output; according to the method, the structure density of a galaxy main body in an input image is remarkably improved through self-adaptive cutting preprocessing, and background noise interference is reduced; through the convolution and attention feature fusion module and the adaptive multi-scale fusion module, the problems of large target scale change and fuzzy structure in a large-scale sky patrol galaxy image are effectively solved.

The present invention relates to the field of piezoelectric ceramic materials, in particular to a high-temperature piezoelectric ceramic and a preparation method thereof, the structural formula of which is as follows: (1-x-y)(Bi 1‑p Ln p )FeO3‑xBa(Ti 1‑q Al q )O3‑yBiYbO3‑zwt%GeO2 wherein Ln is a lanthanide element; 0.1≤x≤0.5, 0.01≤y≤0.05; 0.1≤z≤1; 0.1≤p≤0.5, 0.01≤q≤0.05, and does not contain lead, and will not cause harm to human health and living environment during the manufacturing, use and waste disposal processes.

This invention relates to the field of bridge construction technology and provides a method for constructing a steel pipe pile cofferdam in a hard clay layer, comprising the following steps: S1, driving steel pipe piles at the designed location to form a cofferdam; S2, determining the ratio of sodium silicate solution and oxalic acid solution injected into the support layer and the Baumé degree of the sodium silicate solution based on the pH value of the hard clay layer, the compressive strength required for the underlying support layer during bridge abutment construction, and the shortest time for the support layer to maintain this compressive strength; wherein the support layer is the hard clay layer from below the abutment to the bottom of the steel pipe piles; S3, injecting oxalic acid solution and sodium silicate solution sequentially into the support layer at a predetermined location within the cofferdam according to the stated ratio. This method utilizes the inherent high bearing capacity of the hard clay layer, and by injecting sodium silicate solution and oxalic acid solution of predetermined concentration and ratio, its compressive strength is improved, enabling it to possess sufficient bearing capacity for a period of time to withstand the construction load of the abutment.

The application relates to the field of road construction materials, and particularly discloses a road base mixture based on construction waste recycled aggregate and a preparation method thereof, the road base mixture is prepared from the following raw materials in parts by weight: recycled aggregate 80-100 parts, cement 20-30 parts, mineral powder 10-20 parts, fly ash 5-10 parts, water 14-20 parts, anti-shrinkage stabilizer 2-5 parts and reinforcing material 2-6 parts; and the preparation method comprises the following steps: S1, uniformly mixing and stirring the recycled aggregate, the cement, the mineral powder and the fly ash to obtain initial mixture; and S2, uniformly mixing and stirring water, the anti-shrinkage stabilizer and the reinforcing agent in the initial mixture to obtain finished mixture; the road base mixture has the advantages of high strength and good durability.

This invention relates to the field of coating technology and discloses a high-performance waterproof and UV-resistant polymer coating and its preparation method. This coating uses acrylic resin emulsion as the film-forming substance and pigments, defoamers, leveling agents, etc., as auxiliary materials, which are mixed to form the coating. The acrylic resin emulsion is prepared by cross-linking and polymerizing a polymeric macromolecular functional crosslinking agent with acrylic resin monomers. This method results in a high crosslinking density of the acrylic resin molecular chains, giving the coating a high structural density and improving its waterproof performance. Furthermore, because the functional crosslinking agent structure also contains silicon-oxygen bonds and rigid pyrene rings, it can further enhance the coating's waterproof performance by improving the coating's hydrophobicity, while the presence of rigid pyrene rings can give the coating higher mechanical properties. In addition, the functional crosslinking agent structure also contains a benzophenone UV-absorbing structure, which can effectively enhance the coating's UV resistance.

The application belongs to the technical field of adhesive manufacturing, and discloses a long-acting anti-aging high-adhesion-strength elastic hybrid adhesive, a preparation method and application thereof. The preparation method comprises the following steps: preparing a long-acting A component with weak acidity and high storage stability, and preparing a long-acting B component with high storage stability; through synchronous improvement of the adhesive formula and process, a ternary hybrid system is adopted, and the problems of compatibility of the ternary system and hydrolysis of the MS catalyst are overcome, so that the prepared A and B components can be stored stably for a long time, the adhesive can have high strength, high elasticity, high storage stability and low cost at the same time, the adhesive is convenient to produce and can be stored stably for a long time, and the adhesive can be widely applied to the manufacturing of power battery cells and other products and can meet various actual application requirements of the industry.

The invention discloses an expressway pavement anti-crack repair material and a preparation method thereof, and belongs to the technical field of pavement repair, the expressway pavement anti-crack repair material comprises the following components by weight: 5-10 parts of asphalt, 10-20 parts of gravel, 30-50 parts of quartz sand, 30-50 parts of a composite anti-crack filler, and 10-20 parts of mineral powder. The asphalt, the gravel, the quartz sand, the mineral powder and the composite anti-crack filler are adopted, and the bonding effect of the composite anti-crack filler is matched with the filling effect of the powder, so that the structural compactness of the anti-crack repairing material for the expressway pavement is further improved; therefore, the low-temperature crack resistance, the high-temperature stability, the mechanical strength and the bonding effect of the anti-crack repairing material for the expressway pavement are improved.

The application relates to a high-density battery structure which comprises a top cover, a box body, a battery cell module, a protection plate and a panel; the battery cell module is arranged in the box body; the top cover covers the top of the box body; the panel covers the end face of one end of the box body, and the panel is arranged in abutment with the top cover; the battery cell module comprises a first battery cell module, a second battery cell module and a third battery cell module; the first battery cell module and the second battery cell module are adjacently and symmetrically arranged; the third battery cell module is arranged close to the panel; and the protection plate is arranged on the top of the third battery cell module. Through the structure, the problems of heat of the battery cell module and insufficient space of the box body can be effectively solved. The application has the advantages of simple structure, convenient disassembly and assembly, easy maintenance, long service life of the battery, high practicability and economy, wide application range, and can be produced and used as a general product.