21results about How to "Proportionally large" patented technology

The invention belongs to the technical field of concrete, and particularly relates to a concrete hydration temperature rise inhibitor and a preparation method and application thereof. The concrete hydration temperature rise inhibitor is of a core-shell structure composed of an inner core and a shell layer. Wherein the core comprises a porous material and a hydration temperature rise inhibition material loaded on the porous material, and the hydration temperature rise inhibition material comprises 2-phosphonobutane-1, 2, 4-tricarboxylic acid, modified starch, 1-hydroxyethylidene-1, 1-diphosphonic acid, sodium polyacrylate and cellulose ether. The concrete hydration temperature rise inhibitor has an efficient hydration heat inhibition effect, the proportion of a hydration temperature rise inhibition material in the inhibitor is large, meanwhile, an exothermic temperature peak can be accurately inhibited, and no negative influence is caused to a hydration induction period.

The invention provides carbon-doped boron nitride for effectively adsorbing heavy metals in flue gas and a preparation method of the carbon-doped boron nitride, and belongs to the technical field of combined control of various atmospheric pollutants. According to the carbon-doped boron nitride, more carbon atoms are introduced into a boron nitride structure through carbon doping, the carbon atoms replace part of boron atoms, and the original structure of the boron nitride is changed; compared with boron nitride, the carbon-doped boron nitride has the advantages that the atom proportion of carbon atoms in the carbon-doped boron nitride is increased by 2.92%-58.22%, heavy metals in the flue gas are removed through the synergistic effect of physical adsorption and chemical adsorption, and simultaneous adsorption of more than one heavy metal in the flue gas is realized after 5 minutes. Compared with activated carbon as a heavy metal adsorbent, the preparation method is simple, the blank of adsorption capacity in high-temperature flue gas is filled, heavy metal substances such as Cd, Pd, Zn and Cu can be adsorbed at the same time, and the adsorbent is successfully applied to adsorption of heavy metal ions in the high-temperature flue gas.

The present invention discloses an unsupervised image defogging method based on a symbiotic dual model, comprising the following steps: acquiring an image, and then obtaining an input image; constructing an image symbiotic dual model network, training the image symbiotic dual model network, and processing the image to be tested by the trained image symbiotic dual model network to obtain a defogging result; the present invention introduces the concept of relative defogging, and for an image, does not distinguish whether the image is degraded or not, that is, does not distinguish whether the image is a foggy image or a fog-free image. Output an image, treat it as a foggy image, and process it, and can also be treated as a clear image. The two models are mutually beneficial and symbiotic, jointly trained, and make progress together. Through such a model, the dependence on paired foggy and fog-free data sets is eliminated to achieve the defogging effect.

The invention belongs to the technical field of LTCC (low temperature co-fired ceramic), and relates to a bondable alloy surface paste for LTCC co-firing and a preparation method thereof, the bondable alloy surface paste comprises the following components in percentage by mass: 75-85% of micron-sized gold powder functional phase, 0.5-2% of inorganic binding phase and 18-20% of organic carrier; the micron-sized gold powder comprises flaky gold powder and spherical gold powder, and the mass ratio of the flaky gold powder to the spherical gold powder is 5: 3. The gold surface slurry can be matched with the commercial high-frequency Ferro A6 raw ceramic; the developed LTCC electronic paste has excellent electrical performance in a millimeter wave frequency band, is excellent in bonding tensile force, and meets the requirement of a 25 [mu] m Au wire greater than or equal to 7gf.

Provided is a method for processing a battery member, which improves the recovery rate of a carbon component and reduces the loss rate of a metal component. A treatment method disclosed herein includes: a heating step S10 in which a recovery target containing at least a positive electrode containing a lithium transition metal composite oxide having a layered structure and a negative electrode containing a carbon material is heated at 850 DEG C or higher; and a separation step (S30) in which a foaming agent and a collecting agent are added to the slurry containing the object to be recovered after the heating step (S10), and a metal component and a carbon component contained in the object to be recovered are separated.

The utility model discloses a water treatment flocculation separation device relates to water treatment equipment technical field, and the main purpose is to improve the rate of flocculation precipitation, and improve the separation efficiency of flocculation precipitate simultaneously. The main technical scheme of the utility model is: water treatment flocculation separation device, and this device includes: pool body and circulation part, the circulation part includes circulating pump, cyclone separator, receiving groove and spray pipe, the import of circulating pump is connected in the lower end side of pool body, and the export of circulating pump is connected in the tangential import of cyclone separator, and the upper end export of cyclone separator is connected in the spray pipe, and the spray pipe is arranged in the upper end import of pool body, and the lower end export of cyclone separator corresponds to the upper end import of receiving groove, and the lower end export of cyclone separator is equipped with unloading valve, and the upper end import of receiving groove is equipped with overflow groove around, and overflow groove is connected in the lateral wall upper end of pool body through the communicating pipe.

The invention provides a cobalt-free NiMnAl precursor with a composite structure, a preparation method of the cobalt-free NiMnAl precursor, a positive electrode material, a lithium ion battery and electric equipment, and relates to the technical field of new energy. The cobalt-free NiMnAl precursor with the composite structure provided by the invention is formed by compounding a monoclinic beta-MOOH phase and a hexagonal alpha phase, and the cobalt-free NiMnAl precursor with the composite structure is a secondary particle formed by closely packing uniform flaky nanoparticles, is uniform in particle size distribution, good in sphericity degree and large in specific gravity, and can be used for preparing a lithium-rich manganese-based positive electrode material with low cost and high performance.

The resin composition for anti-skid mats of the present invention has synthetic barium sulfate and a thermoplastic elastomer composition as essential components, contains 20 to 70% by mass of the synthetic barium sulfate, and has a type A durometer hardness of 20 to 80. By using the resin composition of the present invention, an anti-skid mat that can be used in water can be easily manufactured, and the anti-skid mat is not only soft and can sink in water, but also easy to handle by the elderly, etc., is lightweight, and is excellent in mechanical strength and wear resistance.

The invention discloses a dust removal and cleaning device for a weft knitting machine and a control method thereof, and belongs to the technical field of weft knitting machine cleaning. The following scheme is proposed. The invention provides an adjusting component and a dust suction component. The dust suction machine can suck the fluff and impurities generated in the working process of the weft knitting machine through a dust suction head through the operation of the dust suction machine, thereby improving the processing quality of the weft knitting machine. Secondly, through the telescopic movement of the first electric push rod, the first electric push rod drives the telescopic frame to perform telescopic movement. The telescopic frame can drive the shell to perform reciprocating displacement movement through a fixed plate, so that the dust suction head can be displaced to perform dust removal operations, thereby increasing the dust removal area and cleaning efficiency, and meeting the demand for automatic displacement dust removal.

The invention discloses a micro-fine fraction ilmenite magnetic field strengthening recovery device and method, relates to the field of magnetic separation for separating solid materials from fluid, solves the problem that micro-fine fraction ilmenite and gangue ore are difficult to separate, and adopts the technical scheme that the micro-fine fraction ilmenite magnetic field strengthening recovery device comprises a shell and an inclined plate, the shell is provided with an inner cavity in an inclined quadrangular prism shape, at least two inclined plates are fixed in the inner cavity of the shell, each inclined plate is of a double-layer structure, the double-layer structure comprises an upper layer and a lower layer, and continuous or discontinuous sharp teeth are arranged on the upper surface of the lower layer; a separation channel is formed between every two adjacent inclined plates, the upper ends and the lower ends of the separation channels are overflow outlets and underflow outlets, opening adjusting devices are arranged at the underflow outlets, each separation channel is provided with a feeding port and a water inlet, and the shell is further provided with a magnetic field generator. The sharp teeth on the lower layer of the inclined plate are used for forming a magnetic field strengthening area in the separation channel, the stress and the movement direction of ore grains are changed, and the purpose of separating ilmenite and gangue ore is achieved.

The utility model relates to the technical field of sludge screening, and discloses a heavy sludge screening device which comprises a placing box and a sludge screening device body, a protective shell is installed above the placing box, the sludge screening device body is installed in an inner cavity of the protective shell, and a circular ring installation plate is integrally installed on the outer side wall of the sludge screening device body. The circular ring mounting plate is fixedly connected to the protective shell, a first semicircular screening plate and a second semicircular screening plate are arranged in an inner cavity of the sludge screening device body, rectangular notches are formed in the two opposite side walls of the sludge screening device body and are symmetrical to each other, and rotating mechanisms are arranged in inner cavities of the two rectangular notches; the rotating mechanism fixedly penetrates through the first semicircular screening plate and the second semicircular screening plate, the rotating mechanism is used for driving the first semicircular screening plate and the second semicircular screening plate to rotate, storage boxes are fixedly mounted at the bottoms of the first semicircular screening plate and the second semicircular screening plate correspondingly, and the two storage boxes are symmetrical to each other; and moving mechanisms are arranged at the bottoms of the first semicircular screening plate and the second semicircular screening plate. The utility model is more practical, and is suitable for wide popularization and use.

The invention belongs to the technical field of high-performance fibers, and particularly relates to an ultra-high molecular weight polyethylene submerged fishing line which is prepared by swelling a skin structure and a core structure and then spinning, the skin structure is an ultra-high molecular weight polyethylene skin layer which contains a hydrophilic polymer aid and accounts for 5-40% of the mass of the skin structure, and the core structure is an ultra-high molecular weight polyethylene core layer which accounts for 5-40% of the mass of the core structure. The core structure is an ultra-high molecular weight polyethylene core layer which contains nano inorganic powder and accounts for 60-95% of the mass of the core structure. Through the unique design of the skin part structure and the core part structure, the fishing line can naturally sink in water, the sinking performance of the ultra-high molecular weight polyethylene fishing line is achieved, the fishing experience feeling is greatly improved, the problems that in the prior art, a sinking PE fishing line is large in production difficulty and poor in effect are solved, and the production cost is reduced. The comprehensive performance and the user experience of the fishing line are remarkably improved, and the fishing line has a wide market application prospect.

The utility model relates to the technical field of powder processing, and particularly discloses an ultrafine powder microbead sorting system which comprises a raw material warehouse, a primary grading buffer bin, a primary vertical single-rotor grader, a bag type dust collector I, a secondary vertical single-rotor grader, a cyclone collector, a bag type dust collector II and an ultrafine powder bin which are sequentially communicated in series, the first-stage vertical single-rotor grader is further connected with a primary powder selecting coarse powder bin, the second-stage vertical single-rotor grader is further connected with an ultrafine grading coarse powder bin, and the cyclone collector is further connected with a secondary fine powder bin; according to the fly ash secondary sorting device, fly ash is subjected to secondary sorting, micro-bead products with different mesh numbers are selected through control, large-particle-size powder is conveyed to other procedures to participate in grinding and sorting, small-particle-size powder can replace talcum powder, silica powder, ground calcium carbonate and other filling materials in the coating industry, the application industry of fly ash is widened, and the application range of fly ash is widened. The recycling of the fly ash is improved, the energy consumption is reduced, and meanwhile, the environmental pollution caused by mining is reduced.

The application discloses a face segmentation model training method and a face image segmentation method. The method comprises the following steps: obtaining a training sample set; the training sample set comprises a plurality of sample images; inputting the training sample set into a face segmentation model for encoding processing and decoding processing to obtain a plurality of predicted images; performing Hungarian matching on at least one to-be-segmented face region marked in the plurality of sample images and at least one predicted face region included in the plurality of predicted images to obtain at least one unmatched face region; determining a global loss value based on the plurality of sample images and the plurality of predicted images; determining a local loss value based on the regions of the at least one unmatched face region in the plurality of sample images and the plurality of predicted images; determining a target loss value based on the global loss value and the local loss value; adjusting the parameters of the face segmentation model based on the target loss value until a preset training condition is reached to obtain a trained face segmentation model.

The invention discloses a compound agent for deep phosphorus removal of domestic sewage, a preparation method and a use method, and aims to solve the technical problem that the phosphorus removal effect of a current agent is unsatisfactory, the compound agent comprises polyaluminum ferric chloride and aluminum sulfate according to the ratio of 1%-10%: 90%-99%; the method comprises the step of uniformly mixing polyaluminum ferric chloride and aluminum sulfate, the use method comprises the following steps: (1) adding the compound agent into raw water to be treated in the efficient sedimentation tank of the domestic sewage treatment plant; mixing by using a stirrer; (2) adding a coagulant aid and stirring; (3) standing and precipitating, wherein supernate is treated water; the invention aims to optimize the phosphorus removal performance by scientifically proportioning two main components, namely PAFC (polyaluminum ferric chloride) and aluminum sulfate, overcome the defects in the prior art and realize a more efficient and economical phosphorus removal effect so as to meet the requirements on deep phosphorus removal in current and future domestic sewage treatment.

The utility model provides a gas mixing device which comprises a first pipe body, a second pipe body and a dispersing part, the second pipe body is arranged in the first pipe body, and the first end of the second pipe body is arranged on the inner side wall of the first pipe body and communicates with the outside of the first pipe body; the second end of the second pipe body extends along the length direction of the first pipe body; the dispersing part is arranged at the ventilation opening of the second end, and the dispersing part and the ventilation opening are sequentially arranged in the direction from the air inlet end to the air outlet end of the first pipe body. And the cross section of the dispersing part is larger than that of the second end. The second pipe body is provided with the ventilation opening and the dispersing part, so that airflow entering the first pipe body from the inlet end is dispersed, and the section of the dispersing part is larger than that of the end, provided with the ventilation opening, of the second pipe body, so that a low-pressure space is formed on the side, away from the air inlet end of the first pipe body, of the dispersing part; and gas entering the first pipe body from the ventilation opening is filled into the low-pressure space and is mixed with the dispersed gas.

The present invention provides a shallow draft geophysical exploration vessel, the hull of which has a bulbous bow, the width of which is greater than the height, the bulbous bow having a side surface and a bottom surface, and in a cross section passing through the bulbous bow, the side surface and the cross section intersect at a first curve, the bottom surface and the cross section intersect at a second curve, and the curvature of the first curve is greater than the curvature of the second curve. The bottom surface is smoothly connected to the bottom of the hull and intersects with the mid-longitudinal section at a third curve, the curvature of the third curve gradually decreases from the bow direction to the stern direction, and the width of the bottom surface gradually increases. The hull is provided with a DP propulsion system, an airgun seismic source system and a node retracting and releasing system. The present invention discloses a shallow draft geophysical exploration vessel, the hull of which is provided with a wide and flat bulbous bow, so that the hull has the ability to sail in shallow waters, which not only improves the wave-making resistance generated when the ship is sailing, but also increases the proportion of the displacement volume distributed in the bow, improves the stability and wave resistance of the ship, and is conducive to resisting the heave phenomenon under the action of wind and waves.

The invention provides an elastic force-gravity hybrid energy storage workstation for a new energy power generation system, the elastic force-gravity hybrid energy storage workstation comprises a rack, and a transmission shaft, a generator motor and a plurality of energy storage devices which are located in the rack, and each energy storage device comprises an energy storage module, a suspension module and a mechanical transmission module which are arranged in a matched manner; the energy storage modules are connected with the transmission shaft through the matched suspension modules and the matched mechanical transmission modules and are evenly arranged on the two sides of the transmission shaft, and elastic elements are arranged in the energy storage modules. When the elastic element moves upwards under the action of the suspension module and elastically deforms, elastic potential energy and gravitational potential energy are generated, and energy storage is achieved. When elastic potential energy and gravitational potential energy formed by elastic elements in the energy storage modules act on the suspension module to enable the generator motor to rotate to generate power, energy release is achieved. According to the invention, large-capacity and multi-mode energy storage and energy release can be realized, the application scene is wide, the energy storage density is large, and the integration level is high.

The present application relates to feed sewage residue processing technical field, and disclose a kind of feed sewage residue processing device, including processing cylinder, the top of processing cylinder is equipped with cover plate, can be used to process the waste residue after separation, the bottom of the processing cylinder is provided with drain, the top of the processing cylinder is provided with feed inlet, the inside of the processing cylinder is provided with processing mechanism, by motor drive shaft separation cylinder high-speed rotation, make the feed sewage residue injected into separation cylinder under centrifugal force be forced to move to cylinder wall.Liquid part is lighter in quality, more easily pass through filter port and be thrown out to processing cylinder in centrifugal field, while solid residue is intercepted in separation cylinder inside, substantially shorten solid-liquid separation time, and with the continuous rotation of separation cylinder, by poking plate to realize periodic, reciprocating poking cleaning to multiple filter ports, effectively solve the problem of filter screen easy to block, ensure the continuity and stability of solid-liquid separation process, significantly improve processing efficiency.

The invention discloses a method for preparing a high-quality gas-liquid product by catalytically pyrolyzing aquatic plant garbage through Al2O3-based platinum leaching waste residues, and relates to the field of efficient utilization of biomass energy. Comprising the following steps: respectively drying, crushing and sieving the aquatic plant garbage and the platinum leaching waste residues to obtain aquatic plant garbage powder and waste residue powder, and uniformly mixing the aquatic plant garbage powder and the waste residue powder; and carrying out rapid pyrolysis on the pyrolysis raw material obtained by pressing the mixed powder in an inert atmosphere to obtain high-selectivity furfural bio-oil and synthesis gas. According to the method, high-quality bio-oil and synthesis gas are used as target products, aquatic plant garbage biomass is used as a raw material, Al2O3-based platinum catalyst leaching residues are used as a catalyst, catalytic active sites of platinum metal and Al2O3 acidic sites in the waste platinum leaching residues are efficiently utilized, and the catalytic activity of the waste platinum leaching residues is improved. And the aquatic plant garbage is catalytically and rapidly pyrolyzed to obtain a liquid-phase product rich in furfural and synthesis gas rich in combustible gas, so that the selectivity of the furfural and the combustible gas is remarkably improved.

The present invention relates to the technical field of electric beds, and discloses an electric bed, including a bed plate and a bed frame, wherein the bed plate and a wall-leaning mechanism are arranged on the bed frame; wherein the bed plate includes: a back plate, wherein the wall-leaning mechanism drives the back plate to flip relative to the bed frame and simultaneously drives the back plate to move toward the front; wherein the wall-leaning mechanism includes: a connecting rod assembly and a driver, wherein the rear end of the back plate is connected to the front end of the bed frame through the connecting rod assembly, the front end of the driver is hinged to the bed frame, and the rear end of the driver is hinged to the connecting rod assembly. In this electric bed, a wall-leaning mechanism is arranged on the electric bed to drive the back plate to flip upward, and the first connecting rod and the second connecting rod are both connected to the connecting rod fixing seat and the front frame, so that the back plate is subjected to the action of the connecting rod assembly to lean against the wall and lift the back during the rotation process, thereby avoiding the problems of single-side wheel derailment and single-side wheel resonance when the upper and lower slide rail structures are adopted in the prior art.