33 results about "Fundamental solution" patented technology

The invention discloses a transient temperature calculation method based on an improved triple reciprocal boundary element method, comprising the following steps: adopting a multiple time scheme to determine a calculation time sequence; obtaining a frequency domain equation of a transient heat conduction problem based on Laplace transform, and determining frequency domain parameters of the frequency domain equation based on analysis time t and an inverse Laplace transformation method; obtaining a boundary-domain integral equation of the frequency domain equation based on a modified Helmholtz fundamental solution; based on an improved triple reciprocity formula, transforming a domain integral contained in the boundary-domain integral equation to equivalent boundary integral, to obtain a pure boundary integral equation; solving a frequency domain boundary integral equation based on a theoretical surface mesh of a boundary element method and intra-domain interpolation points; performing inverse Laplace transformation on a solution in frequency domain, and solving time domain temperature distribution. The invention provides an improved triple reciprocity method calculation formula withlow degree of freedom expression, thereby greatly reducing calculation time of the triple reciprocity method and saving storage space at the same time.

The invention discloses a method of reporting telephone numbers in the blacklist, which relates to a technology of confirming the telephone blacklist. The method is put forward to solve the problem of numerous unidentified harassing calls. The technical proposal is: A. providing an interface for saving numbers in the blacklist and saving the numbers in the blacklist when the interface receives a number-saving request; B. providing an interface for processing the numbers in the blacklist and encapsulating the numbers that are requested to be reported as a short message and sending the numbers to a network server when the number-processing interface receives an operating instruction to report the numbers. The invention provides a fundamental solution to restricting the harassing calls and thereby improves the quality of network services with easy operation and low cost.

The present invention proposes a wide-frequency-domain wave-absorbing material, including a base body, which is characterized in that: the base body has a plurality of micro-carbon coils; the micro-carbon coils account for 0.5%-10% of the total weight of the wave-absorbing material, and the micro-carbon coils have One or more lengths to achieve the absorption effect of electromagnetic waves in different frequency domains, the optimal condition of the present invention is that the micro-carbon coils have multiple lengths between 10 microns and 5 millimeters, and the helical diameter of each micro-carbon coil The ratio to the pitch is between 1:1‑5, and the diameter of the carbon filament to the diameter of the helix is ​​between 1:5‑10. The present invention also relates to a multi-layer structure broadband wave-absorbing material, including a matrix, characterized in that the matrix has at least one main material layer and at least one auxiliary material layer, and the main material layer is as described above. The invention provides a fundamental solution for effectively absorbing space electromagnetic radiation, and has the advantages of wide absorption frequency range, high efficiency, light and thin material, low cost, suitable for quantitative production, and the like.

The invention discloses a method for sorting large-sized organic light objects in construction waste by artificial intelligence robots, and relates to the field of separation and sorting devices for construction waste. The method for sorting large-size organic light objects in construction waste by artificial intelligence robots is Industrial robots and cameras are installed at the front end of the production line. Workers operate in the control room and control the robot to sort out light objects through the visual recognition system. This method can avoid occupational health and safety problems such as noise, dust, and safe production that workers encounter when working in the factory building. It fundamentally solves the bottleneck problem of organic light sorting in the process of recycling construction waste, and ensures the quality of end products; uses indoor manual operation instead of on-site manual operation, avoiding the safety and occupation of personnel involved in the field Health problems; it also provides conditions for the establishment of closed workshops and centralized disposal of indoor dust.

The invention relates to a compound suppository for treating hemorrhoids and a preparation method of the compound suppository. The compound suppository is prepared from medicine powder and accessoriesin a mixed manner according to the proportion of 47:123. The medicine powder comprises, by weight, 65-95 parts of animol toenail extracts, 4-15 parts of troxerutin and 1-5 parts of folium sennae extracts. The compound suppository integrates treatment, fundamental solution and healing according to pathogenesis of the hemorrhoids, pathological change and symptoms caused by the hemorrhoids, the hemorrhoids can be fundamentally treated, and the compound suppository treats the hemorrhoids from both manifestation and root causes of diseases and is free from any toxic and side effects and convenientto use.

The invention discloses a well cover for a ventilated and dehumidified cable well, which is used to solve the problem in the prior art that water vapor formed by evaporation of accumulated water in a cable well enters a station building, causing excessive humidity in the station building and causing tripping faults. Including: the guide rail includes a ring fixed on the inner wall of the wellhead of the cable well at the upper part, grooves are arranged on the inner edge of the ring, and four vertical guide grooves are uniformly arranged at the lower part of the ring, the grooves and the guide grooves are connected internally; the well cover is hinged to the well ring , the well ring is in the shape of a ring, located above the guide rail, four vertical support rods are evenly arranged on the lower part of the well ring, and the lower ends of the support rods are fixedly connected with sliders, and the four sliders are respectively installed with the four guide grooves; inside the ring The connection between the edge groove and the guide groove is located in the groove, and the baffle is fixed on one side, and the detachable stopper is set on the other side; the beneficial effect is that the ventilation effect can be achieved without opening the cable well cover, from It fundamentally solves the problem of high humidity in the station building, and eliminates the safety problems caused by condensation.

The present invention discloses an aluminum air battery pile and a preparation process thereof in the technical field of energy conversion and new energy. The aluminum air cell pile comprises a plurality of monocells; a gel polymer is used as an electrolyte, and the electrolyte is applicable to all kinds of metal fuel cells, metal-ion batteries and other systems, and especially applicable to battery systems with serious leakage problems. The preparation process of the aluminum air battery pile is as follows: an electrolytic solution and a polymer solution are mixed and filtered, the obtained clear solution is injected into a molding container, an appropriate amount of a polymerization initiator solution is added to obtain the gel polymer electrolyte; positive and negative electrodes are fitted with the gel polymer electrolyte to prepare the aluminum air battery monocells, and finally the aluminum air battery monocells are assembled into the aluminum air battery pile according to a special structure. The aluminum air battery pile has the advantages of great potential for high specific energy and high specific power, fundamental solution of the battery electrolyte leakage problem, low cost, easy operation, simple structure, short production cycle, no pollution, use security of the process and the like.

The invention discloses compound gelatinization pyrethrin for desert green planting and a preparation method thereof. The pyrethrin is divided into two components A and B. Taking ethelene glycol monophenyl ether, pyridine, ammonium bicarbonate aqueous solution with a mass concentration of 10%, nickel powder, deionized water, trans-dichlorochrysanoyl chloride and perfluoropolyether oil as raw materials and taking toluene, diluted hydrochloric acid with a mass concentration of 10% and calcium hydroxide solution with a mass concentration of 10% as process auxiliary materials, the component A is finally obtained through two-stage polycondensation, extraction, alkali washing, pickling, neutralization and dehydration. Taking corn starch and rice bran as raw materials, the component B is obtainedby filtering out solid content after fermentation under the action of a bacillus licheniformis; and the pyrethrin is a pectin-based gel peptone finally obtained by mixing the components A and B and then reacting with calcium ions in the component A through nicandra seed grinding. The compound gelatinization pyrethrin has the advantages of being specially suitable for desert environment, performing double killing of adults and larvae, having a long-lasting effect, performing fundamental solution to target pests, having a moisture slow release function and having a nutritional supplement function.

The invention discloses a closed water tank central air-conditioning system device, including an air-conditioning compressor, a water condenser, an air heat exchanger, a hot water storage tank, and a heating circulation pump; The bottom of the tank is supplemented and discharged from the top after reaching the set temperature through circulating heating, which fundamentally solves the problem of low heating efficiency caused by mixed water.

The invention discloses a special fungal pyrethroid compound mosquito killing agent for acidic tea garden soil and a preparation method thereof. The pyrethroid is divided into two components A and B.Taking ethelene glycol monophenyl ether, pyridine, ammonium bicarbonate aqueous solution with a mass concentration of 10%, nickel powder, deionized water, trans-dichlorochrysanoyl chloride and aminomycetin as raw materials and taking toluene and fulvic acid saturated aqueous solution as process auxiliary materials, the component A is finally obtained through two-stage polycondensation, extraction,pickling, sealing and dehydration; and the component B is beef powder and sweet potato starch where Guiyang pythium fungi with a concentration of 1*10<7> cfu/g-1*10<8> cfu/g are preserved. The special fungal pyrethroid compound mosquito killing agent for acidic tea garden soil has the advantages of having no obvious poison to the human body, adapting to acidic soil, performing double killing of adults and larvae, having good hydrophilicity, easy degradation, having nutritional auxiliary functions, and having a fundamental solution to target pests.

The present invention discloses a livestock biological feed additive and relates to the technical field of feed preparation. The feed additives are manufactured by the following raw material: yeast 20-30 parts, ferric sulfate 3-5 parts, magnesium sulfate 3-5 parts, silkworm excrement 20-30 parts, dietary alkali 15- 25 parts, berberine 4-6 parts, cyrtomium fortunei 10-20 parts, acorus tatarinowii 10-20 parts, fallopia multiflora 15-25 parts, complex vitamins 10-20 parts and complex amino acids 8-10 parts. The beneficial effects of the livestock biological feed additives are that the raw materials are abundant and cheap, the production process is simple, the added biological substances not only ensure the livestock to have good absorption during normal feeding, but also have a certain disease prevention function, and are rare biological feeds. The biological feed can not only improve the growth rate of livestock, but also can provide fundamental solution to the unscientific situation of the original feed in a long-term consumption.

The invention discloses a traditional Chinese medicine composition for treating rhinitis. The traditional Chinese medicine composition selects the following crude drugs in parts by weight: 10-20 parts of magnolia flower, 10-20 parts of white lisianthus, 5-10 parts of agastache rugosus, 5-10 parts of cocklebur fruit, 5-10 parts of ramulus mori, 8-12 parts of blackberry lily, 8-15 parts of felwort, 10-20 parts of fructus forsythia, 8-12 parts of ox horn and 10-20 parts of rattletop. The traditional Chinese medicine composition has the effects of dispelling wind and dredging orifices, reducing swelling and discharging pus, clearing away the lung-heat and purging intense heat, dispersing chill, clearing heat and promoting dieresis, and dispersing the depressed liver-qi and alleviating pain based on the principle of traditional Chinese medicine for treating both symptoms and root causes, is used for treating rhinitis, and has the advantages of quick curative effect, low price, no toxic and side effects and the like, and is not easy to reappear after fundamental solution.

The invention discloses a closed water tank central air-conditioning system device, including an air-conditioning compressor, a water condenser, an air heat exchanger, a hot water storage tank, and a heating circulation pump; The bottom of the tank is replenished and discharged from the top after reaching the set temperature through circulating heating, which fundamentally solves the problem of low heating efficiency caused by mixed water.