17results about How to "Stable quantity" patented technology

The invention discloses a kitchen waste wastewater resourceful treatment process, and belongs to the technical field of kitchen waste resourceful utilization. The treatment process provided by the invention comprises the following steps: adding a ferrate composite oxidant into the kitchen waste wastewater to carry out alkali adjustment and oxidation synchronous treatment, adding biological iron or chemical polyferric sulfate to react, and then adding denitrifying bacteria to carry out denitrification treatment. The treatment process provided by the invention is simple in operation steps and low in treatment cost, and is a kitchen waste resourceful treatment process capable of turning waste into wealth. The COD (Chemical Oxygen Demand) of the treated kitchen waste wastewater is greater than or equal to 50000 mg / L, the content of total nitrogen and total phosphorus is obviously reduced, the content of small molecular organic matters in water is increased, the biodegradability is improved, the requirement of a sewage treatment plant for supplementing a carbon source is met, and the treated kitchen waste wastewater can be used as a carbon source for supplementing the carbon source for the sewage treatment plant.

The invention discloses a method for simulating irradiation displacement damage and influence of an MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) gate oxide layer, which mainly solves the problems of incomplete description of irradiation defect evolution parameters and inaccurate simulation result in the prior art. Comprising the following steps: 1) obtaining the type and number of traps generated in a gate oxide layer after irradiation through molecular dynamics simulation; 2) utilizing first principle software to construct a gate oxide layer supercell and introducing a trap type; (3) acquiring the energy level position of a trap by applying a first principle to the supercell containing the defect, and calculating a capture cross section; 4) inputting the types, the number, the energy level positions and the capture cross sections of the traps into semiconductor device simulation software for performance simulation; and 5) obtaining the influence of trapped charges in the irradiated gate oxide layer on the electrical performance of the device. According to the method, the influence of irradiation displacement damage on the gate oxide layer can be comprehensively and accurately described, the influence of defects on the electrical performance of the device is determined, and a reliable basis is provided for further guiding and optimizing the performance of the semiconductor device.

This application relates to a battery cell buffer mechanism. The battery cell buffer mechanism includes a fixing frame and support units. The fixing frame has at least one mounting portion extending along a first direction. At least one support unit is provided, with each support unit arranged in at least one row, and each support unit supports one battery cell. Each support unit includes at least two support members, each support member is mounted on a corresponding mounting portion and is movable relative to the mounting portion along the first direction, and each support member is used to make line contact with the corresponding battery cell for support. By making line contact with the battery cell through the support members, the risk of scratches, dust accumulation, and other adverse effects on the battery cell surface caused by the support units can be reduced. Furthermore, the ability of each support member to move relative to the extension direction of the mounting portion allows for adjustment of the position of the support members in each support unit, adapting the position of the support members to the size of the battery cell, thereby stably supporting each battery cell and improving the stability of battery cell support and the adaptability of the battery cell buffer mechanism.

The invention relates to a preparation method of a bacterial standard substance capable of being stored for a long time and stable in content, which sequentially comprises the following steps: step 1, preparing a protective solution, adding a bacterial solution, and uniformly mixing; step 2, loading the mixture uniformly mixed in the step 1 into a tray, and performing pre-freezing treatment; step 3, carrying out freeze-drying treatment on the bacteria liquid sample pre-frozen in the step 2; and 4, quantitatively sub-packaging the freeze-dried bacterial liquid sample in the step 3, and carrying out vacuum refrigeration. According to the present invention, the number and the characteristics of the microorganisms of the freeze-dried coliform bacterial powder can be maintained stable for a long time through the compounded protective agent formula and the combination of the specific storage conditions so as to prepare the coliform bacterial standard product for quantitative detection.

The utility model relates to the technical field of tablet detection, and discloses tablet disintegration equipment, which comprises a container, a sieve tray is detachably arranged at the top of the container, the sieve tray comprises a concave sieve, the sieve is used for placing tablets, a height-adjustable dropping pipette with scales is arranged above the sieve, and the dropping pipette is used for dropping liquid media into the tablets. According to the tablet disintegration equipment, the liquid medium is dropwise added to the tablets on the screen mesh through the liquid dropping pipe, and after the tablets are infiltrated by the liquid medium, redundant liquid is timely discharged into the container through the screen mesh, so that the quantity of the liquid medium in contact with the tablet samples is stable, and the tablet samples with relatively high disintegration speed are not easy to completely dissolve in a short time; an operator can conveniently observe the disintegration phenomenon in the infiltration process of the tablet sample, the size of the disintegrated particles is evaluated by observing the passing rate of the particles generated after the tablet sample is broken in the screen, and the operator can conveniently analyze the tablet sample.

The present invention discloses an automatic feeding bar feeder, including a pushing assembly, including a push plate, an extension plate, a spacer block, a push rod, a rotating wheel, a movable column, a support rod, a connecting rod and a fixed shaft, wherein the extension plate is hinged to one side of the push plate through a hinge plate, the spacer block is fixed to the top of the push plate, a slide groove is provided on the push plate, the push rod is located in the slide groove, a chamber is provided in the push plate, the rotating wheel is rotatably connected to the inner wall of the chamber through a hinge plate, and the movable column is inserted into the rotating wheel. The beneficial effects of the present invention are as follows: through the setting of the pushing assembly, the number of bars loaded each time can be stabilized, and there will be no excessive or insufficient situations, and at the same time, the distance between multiple bars can be controlled, thereby ensuring that subsequent processing procedures can be carried out continuously and evenly, reducing the time waste caused by waiting for bars or processing too many bars, and greatly improving production efficiency.

The invention discloses a rapid topology analysis method for single-ended element switch deflection, which comprises the following steps: acquiring a CIM file, analyzing the CIM file into a vertex and edge data set oriented to a graph database, and constructing a node switch graph model of a power grid; solving a network topology by applying a graph division technology to construct a bus branch graph model; acquiring real-time equipment state data, updating the node switch graph model to a real-time state, and traversing associated equipment; if the associated equipment is a single-ended element, generating a first topological node, and mapping the first topological node to a bus branch graph model node by using an optimized graph topology analysis algorithm; if other functional elements are associated, a traditional topology analysis method is used for judgment, a second topology node is generated, and the second topology node is mapped to a bus branch diagram model node; and mapping the first topological node and the second topological node in the bus branch diagram model to the corresponding transmission line and the series compensator node, thereby providing accurate topological information for the operation state of the power grid.

The utility model relates to the technical field of asphalt sampling tools, in particular to an asphalt sampler which comprises a sampler body, a plurality of material taking holes are formed in the bottom surface of the sampler body, an extraction mechanism is arranged above the sampler body, a heat preservation mechanism is arranged on the outer side of the sampler body, and the extraction mechanism comprises an extraction part and a locking part. The extraction mechanism is used for extracting asphalt, and the heat preservation mechanism is used for preserving heat of an asphalt sample in the sampler body. Through the elastic action of the spring, under the pushing of the spring, the moving plate moves leftwards, the moving plate pushes the two supporting rods to move leftwards, and the two supporting rods push the clamping block to move leftwards, so that the clamping block is meshed with the gear, the gear is locked by the clamping block, and the rack and the connecting rod are locked by the gear; the connecting rod cannot drive the piston plate to move to push and discharge the asphalt, so that the stable asphalt extraction amount is ensured, and the subsequent detection accuracy is ensured.

The present application belongs to the technical field of sleep monitoring, and provides a sleep monitoring method and system based on adenoid hypertrophy child patients, which monitors the blood oxygen saturation of the child patients in a historical sleep monitoring period, screens out a mild hypoxia change curve, analyzes the mild hypoxia change curves in multiple historical sleep monitoring periods, obtains a target interval distance stability value, reflects the dynamic stability and trend characteristics of the mild hypoxia state of the child in sleep, helps to identify whether there is long-term fixed amplitude mild hypoxia, provides data support for evaluating the chronic effect of hypoxia on the body, and according to the target interval distance stability value, screens out a key monitoring total interval, so that the monitoring work is focused on the key monitoring total interval, the monitoring efficiency is improved, and potential long-term mild hypoxia problems of the adenoid hypertrophy child patients in the sleep process are found in time.

The utility model relates to the technical field of pressure oil tanks, and discloses a speed regulator pressure oil tank which comprises an oil tank body, a quantitative filling mechanism is arranged on the top side in the oil tank body and comprises an injection cylinder, a sliding sleeve is slidably connected to the outer portion of the injection cylinder, and a vertical plate is fixedly connected to the top of the oil tank body. A sliding frame is slidably connected to the exterior of the vertical plate, a threaded round rod is in threaded connection with the interior of the sliding frame, an extrusion round block is fixedly connected to the exterior of the threaded round rod, and an opening and closing assembly is arranged in the injection cylinder. Before filling, the threaded round rod is rotated to enable the extrusion round block to extrude the vertical plate, so that the position of the sliding frame is fixed, the amount of filled oil is read through the vertical plate, the quantitative filling effect of oil is achieved, the oil filling amount can be accurately controlled according to requirements, the stability of the oil amount in an oil tank is guaranteed, and the safety and reliability of the device are improved.

The automatic discharging device comprises a machining table, an automatic feeding and discharging device and a PLC, the PLC is arranged at the top end of the machining table, a top fixing frame is fixedly installed at the top end of the machining table, and a punching machine is fixedly installed at the bottom of the top end of the top fixing frame; a finished product collecting box and a waste collecting box are symmetrically placed on one side of the machining table, a material receiving groove is fixedly installed on the side, close to the finished product collecting box, of the machining table, and a material receiving baffle is fixedly installed at the end, close to the machining table, of the top end of the material receiving groove. The first servo motor drives the distribution plate to rotate, the electromagnetic valve is combined to control air flow impact generated by the air pump, effective flow guiding of a waste body and a finished product body can be achieved, waste and finished products can be rapidly and cleanly treated, meanwhile, chippings generated in the stamping process can be cleared away through air flow, and the stamping efficiency is improved. And the working area is kept clean.

This utility model discloses a handheld seeder, belonging to the field of agricultural production. The handheld seeder includes a detachably connected upper cylinder and a lower cylinder, forming a cavity. A feeding port is provided at the bottom of the lower cylinder. A movable rod is slidably disposed within the cavity, and a sowing groove is formed on the movable rod, communicating with the cavity to hold a preset number of seeds. When the sowing groove extends beyond the feeding port, the seeds in the sowing groove are sown. This utility model allows for pressing the position of the movable rod, causing the rapeseed seeds in the cavity to be quickly sown through the sowing groove, thereby assisting workers in sowing, reducing their labor intensity, and improving work efficiency.

The present invention discloses a coating device for surface treatment of special steel materials and a coating method thereof, and specifically relates to the field of coating processing technology. The device includes a processing chamber, a coating spray chamber, a conveying assembly, and a heating and curing chamber. The coating spray chamber is provided with an upper and lower spray assembly and a left and right spray assembly, and the upper and lower spray assembly and the left and right spray assembly are respectively used to spray protective materials on the upper and lower sides and the left and right sides of the steel materials; the processing chamber corresponds to the first conveying rack and the area of ​​the first conveying rack and is respectively provided with a first abutting assembly and a second abutting assembly. The present invention uses the pressure of the two groups of abutting racks on the steel materials, so that after the center of gravity of the steel materials leaves the first conveying rack, it can pass through the coating spray chamber smoothly without sagging or turning over. The distances of each surface of the steel materials relative to the upper and lower spraying assemblies and the left and right spraying assemblies are stable, the coating accuracy is higher, there is no need for subsequent flipping for secondary coating, and there is no need to reduce the conveying speed.

This invention proposes a device and method for synthesizing and concentrating L-arginine, belonging to the field of L-arginine concentration technology. The L-arginine concentration device includes a scraper assembly mounted outside a rotating shaft and a scraper assembly control structure located on an end cap at the front end of the cylinder. The scraper assembly includes a U-shaped plate body. A suction chamber is disposed on the side of the plate body closest to and parallel to the rotating shaft, and a spray chamber is disposed on the side of the plate body away from and parallel to the rotating shaft. A connecting chamber is disposed on two sides of the plate body perpendicular to the rotating shaft, connecting the suction chamber and the spray chamber. The plate body has a spray port and a suction port, and the spray chamber contains a switch column for opening or closing the spray port and a switch plate for opening or closing the suction port. This invention has the advantages of more uniform liquid distribution and higher concentration efficiency.

A quantitative powder feeding distributor of a dish washing machine comprises a powder feeding cavity and a powder feeding cavity, a powder feeding opening is formed between the powder feeding cavity and the powder feeding cavity, a stirring assembly capable of stirring dish washing powder by moving relative to the powder feeding cavity is arranged in the powder feeding cavity, and a powder feeding channel capable of enabling the dish washing powder to flow to the powder feeding opening is formed between the stirring assembly and the powder feeding opening. The stirring assembly can prevent bowl washing powder from forming blocks before entering the powder feeding cavity, meanwhile, the powder pushing assembly can enable the amount of the bowl washing powder fed into the dish washing machine by the distributor to be more stable, the cleaning effect of the dish washing machine is improved, the driving motor can drive the stirring assembly and the powder pushing assembly at the same time through the linkage piece, extra driving equipment is not needed, and cost is reduced. The cost of the distributor is reduced, and the overall size of the distributor is relatively reduced.

This invention discloses a method for preparing a ruthenium bipyridine-anchored photocatalyst, and also relates to its application in the conversion of biomass-based oil into alkane fuels, belonging to the field of photocatalysis technology. The preparation method involves using a sulfonated semiconductor material in combination with divalent tripyridine ruthenium, wherein the divalent tripyridine ruthenium couples with sulfonic acid groups on the surface of the sulfonated semiconductor through secondary ion exchange to form a ruthenium bipyridine-sulfonic acid ligand structure. The photocatalyst prepared by this invention has the following characteristics: it can significantly improve the separation efficiency of photogenerated carriers, enhance the absorption performance of the catalyst in the visible light band, and achieve comprehensive enhancement of catalytic performance through optimized oxidation and reduction capabilities. The photocatalyst prepared by this invention exhibits excellent light energy utilization efficiency and product yield in the photocatalytic conversion of biomass-based oil into alkane fuels, overcoming the limitations of single photocatalytic materials, and possesses significant technological advancements and broad practical application prospects.

The invention relates to a pouring instantaneous inoculant, a spheroidizing inoculation method and nodular cast iron for a wind power casting, and belongs to the technical field of metal casting processing. The casting instantaneous inoculant comprises the following main chemical components in percentage by weight: 0.45 to 0.55 percent of Y, 2.0 to 3.0 percent of Ca, 3.0 to 5.0 percent of Ba, 1.5 to 2.5 percent of Bi, 55 to 65 percent of Si and the balance of Fe. According to the pouring instantaneous inoculant provided by the invention, the spheroidization decline resistance can be remarkably improved by adding yttrium, the bismuth can refine graphite and promote ferrite formation, and the rapid nucleation capacity of calcium cooperates with the long-acting inoculation capacity of barium, so that the stability of the graphite quantity is ensured, and the inoculation decline prevention effect is good; and the inoculation decay prevention effect of calcium and barium is cooperated with the graphitization capability of silicon, so that the long-acting inoculation is ensured, and the spheroidization rate and the elongation performance are improved.