21results about How to "Good benefit" patented technology

The application discloses a rice nutrient precision monitoring and fertilization decision system based on multi-source data fusion, and particularly relates to the field of precision agriculture, and is used for solving the problems of nutrient monitoring deviation and inaccurate fertilization caused by spectral saturation during the rice vigorous growth period, and is achieved by the following steps: collecting red edge and near-infrared reflection from multiple angles, synchronously acquiring texture and structure images and fusing to generate an anti-saturation feature cube, outputting a vigorous growth period feature package by spatiotemporal segmentation at the phenological transition point, constructing a separable nitrogen trace spectrum by eliminating saturated response, outputting a prescription front graph by adjusting the balance coefficient under the calculation of energy concentration and water layer confluence indicators in a context constraint graph, and finally outputting an execution prescription graph by combining historical trajectories and micro-terrain to check the landing point, so that the vigorous growth period diagnosis precision is improved, over-fertilization or under-fertilization is avoided, and efficient nutrient management is realized.

The application relates to a water quality change trend rapid prediction method based on multi-source data fusion and physical constraints, and specifically comprises the following steps: step 1: synchronously collecting data such as spectrum information, DO, COD, temperature and pH at key monitoring sites, constructing a water dynamics-water quality coupling equation, and simulating the space-time dynamic distribution of water quality parameters; step 2: outputting a water quality sensitive area through a water dynamics-water quality model, screening sensor layout points by combining information entropy evaluation and spatial clustering, realizing low-cost water quality sensor network deployment through a multi-objective optimization algorithm, and calculating a water body global water quality distribution map by adopting a spatial interpolation method; step 3: analyzing main pollution sources according to the synchronous collection of spectrum information at key monitoring sites, and adopting principal component analysis and an attention mechanism neural network; step 4: based on real-time optical characteristic value-DO data, combining a spatial topological network, a water quality gradient and a cross-region covariance to capture the spatial correlation of water quality parameters between different points, and constructing an optical characteristic value-DO-COD dynamic prediction model; combining pollution tracing and spectrum characteristic correction to correct the COD prediction value, adopting ensemble Kalman filtering to assimilate multi-source data, and improving the model accuracy.

The application discloses a kind of hardness correlation liver cancer lung premetastatic niche mouse model construction method, it includes the following steps: (1) in vitro enrichment respectively on the low hardness substrate of hardness 6kPa and the high hardness substrate of hardness 16kPa, the condition culture supernatant of mouse liver cancer cell Hepa1-6 that is cultured and grows, respectively named mL-CM and mH-CM;(2) mL-CM and mH-CM are respectively injected into two groups of mice using tail vein injection mode, every 1 day injection 1 time, until the 26th day, during continuous monitoring the recruitment of BMDCs in fresh lung tissue, while with the induction endpoint, i.e. 26th day premetastatic niche mark feature detection includes lung tissue matrix remodeling, immunosuppression, angiogenesis, vascular permeability and inflammation etc..The method has the advantages of short modeling cycle, easy operation, controllable induction condition, can comprehensively and accurately evaluate the common characteristics of liver cancer lung premetastatic niche formation etc..

The present invention discloses a controlled-release type polymeric ferric sulfate water treatment agent and its preparation method, belonging to the technical field of water treatment functional materials. The water treatment agent consists of polymeric ferric sulfate, an iron ion color indicator, a gel matrix, a cross-linking calcium agent, amino diatomaceous earth, a pore-forming agent and an inert filler. The preparation method includes: first preparing a network gel, then preparing soft materials, and finally obtaining the product through pill-making and drying. The present invention realizes the slow release and controllability of polymeric ferric sulfate, and the color indicator can directly reflect the consumption state of polymeric ferric sulfate, facilitating storage, transportation, dosing and recovery.

This invention discloses a method for testing the oxygen partial pressure of a pressurized oxygen supply mask. The pressurized oxygen supply mask is placed inside a sealed container. The data cable of the oxygen partial pressure sensor on the pressurized oxygen supply mask passes through the sealed container in a sealed manner. A vacuuming device and an oxygen supply device are connected to the outside of the sealed container. A temperature sensor for monitoring the internal temperature is installed on the sealed container. The sealed container is first evacuated and then filled with oxygen. The theoretical value of the oxygen partial pressure inside the sealed container is then calculated, and the corresponding phase value output by the oxygen partial pressure sensor is recorded. Then, the theoretical values ​​and phase values ​​of the oxygen partial pressure at different temperatures are collected, and the data is fitted to calibrate the parameters relating the measured value and the phase value of the oxygen partial pressure sensor. These parameters are then written into the oxygen partial pressure sensor. Finally, the theoretical value of the oxygen partial pressure is compared with the measured value of the oxygen partial pressure sensor to verify the accuracy of the oxygen partial pressure sensor. This method can accurately test the accuracy of the oxygen partial pressure sensor on a pressurized oxygen supply mask.

This utility model relates to the field of sealing conduits, and particularly to a sealing device for conduits, comprising a gripping rod, a pressurizing component, a pressure line, and an injection mechanism for extending into the conduit port. The end of the gripping rod is detachably connected to a storage container for adhesive, and the injection mechanism is detachably connected to the outlet of the storage container for adhesive, with an injection port communicating with the outlet. The pressurizing component is connected to the pressure line, which is detachably connected to the storage container for adhesive. The operator uses the gripping rod to raise the storage container for adhesive to a designated position and inserts the injection mechanism into the conduit port. Pressure is transmitted through the pressure line to inject adhesive into the conduit port, achieving the purpose of sealing the conduit at a high location. When sealing conduit ports at high locations, scaffolding is avoided, reducing scaffolding costs and ensuring the safety of workers.

This invention belongs to the field of weaving equipment technology and discloses a pretreatment device for a circular loom, including a housing with multiple ferrules installed at the bottom. One end of the housing is fixedly installed with an inlet plate having multiple inlet guide holes. Inside the housing, along the yarn travel direction, are sequentially arranged an infrared heating tube group, an atomizing nozzle group, a parallel electrode plate, a simulated weaving guide roller group, a low-temperature plasma generator, a heated pressure roller group, and a cold air cooling unit. The other end of the housing is fixedly installed with an outlet plate having multiple outlet guide holes. This device integrates multiple pretreatment functions into one housing, realizing integrated continuous operation of yarn pretreatment. It can effectively release internal yarn stress, remove surface fuzz from the yarn, improve yarn flexibility and surface quality, thereby reducing the shrinkage rate of the base fabric, reducing yarn breakage during weaving, improving the production efficiency and product quality of the circular loom, and reducing production costs.

This utility model discloses a traction and storage device for flexible 3D printing consumables, comprising: a first platform; two sets of side supports, fixedly and spaced apart on the top of the first platform; two sets of guide rods fixedly connected to the top of the side supports; upper adjusting blocks movably sleeved on the two sets of guide rods; bearings fixedly embedded in the inner side of the upper adjusting blocks; and a machine top fixedly connected to the upper end of the guide rods. A PLC control system is provided on the top of the machine top; and two sets of first lower traction rollers are provided between the two sets of side supports. This application, by setting an adaptive buffer roller structure and using a spring-loaded soft compression method to pull out the flexible consumables, provides buffering for the consumables during high-speed traction, effectively preventing deformation and ensuring that the consumables are stably extruded while remaining in the center of the rollers. This greatly reduces the risk of consumables deviating or getting caught in the shaft, and improves the stability and continuity of production.

The utility model relates to sewage treatment technical field, concretely is a sewage treatment integrated intelligent circulation system, including ground, the ground top is fixed with anaerobic tank, the anaerobic tank right -hand member is fixed with oxygen -deficient pool, the oxygen -deficient pool right -hand member is equipped with the aerobic tank, the aerobic tank right -hand member is equipped with the electric catalysis advanced oxidation ware, the anaerobic tank the oxygen -deficient pool the aerobic tank with the electric catalysis advanced oxidation ware right -hand member all are equipped with the filter box, each the filter box right -hand member is fixed with the delivery pipe, the anaerobic tank the oxygen -deficient pool with the aerobic tank top all are equipped with the sealing plate, the anaerobic tank the oxygen -deficient pool with the aerobic tank inside all are equipped with stirring and sensor network, the utility model discloses through the synergies of multistage biochemical treatment and electric catalysis advanced oxidation, has improved the removal efficiency of each kind of pollutant in hospital sewage greatly, and the system avoids the disinfection by -product produced by chemical disinfection method, reduces the secondary pollution to the environment.

This invention provides a method for preparing formamide by synergistically treating ammonia nitrogen wastewater and waste PET plastic, belonging to the field of solid waste and wastewater synergistic treatment technology. The method includes the following steps: adding magnesium and phosphate salts to ammonia nitrogen wastewater, adjusting the pH to alkaline for reaction, and obtaining magnesium ammonium phosphate precipitate; heating and decomposing the magnesium ammonium phosphate precipitate, absorbing the ammonia gas generated in the reaction with water to obtain ammonia water; mixing waste PET plastic with an alkaline solution and carrying out a hydrothermal reaction, followed by acidification of the resulting reaction solution, solid-liquid separation, and obtaining a hydrolysate containing ethylene glycol; mixing the ammonia water, the ethylene glycol-containing hydrolysate, and H2SO4 to obtain an electrolyte, using nickel foam loaded with metal / metal oxide as the working electrode, and carrying out an electrolytic reaction to obtain formamide. This invention synergistically utilizes the treatment of ammonia nitrogen wastewater and waste PET plastic, preparing formamide under mild conditions, simultaneously achieving efficient treatment of ammonia nitrogen wastewater and upgraded utilization of waste PET plastic.

This invention provides the application of N-carbamoylglutamate (NCG) in the prevention and treatment of bovine follicular cysts, along with related models and screening methods. Specifically, it relates to the application of NCG in the preparation of products for the prevention and / or treatment of bovine follicular cysts, and preventive and therapeutic compositions containing NCG. This invention also establishes an in vitro cell model of bovine follicular cysts using 10... ‑7 Treatment of bovine ovarian granulosa cells with M-adrenocorticotropic hormone (ACTH) for 48 hours stably induces a cyst-like state of hormonal imbalance. Based on this model, an in vitro screening method using NCG as a positive control is provided to evaluate the preventive and therapeutic potential of candidate substances. In vivo experiments have confirmed that adding NCG to the diet of dairy cows can effectively treat and prevent follicular cysts. This invention provides a safe and efficient new non-hormonal strategy for the prevention and treatment of bovine follicular cysts, and is accompanied by reliable research and screening tools.

The utility model discloses a flood discharge and sand discharge hole arrangement structure of pumped storage reservoir engineering and construction diversion method in the technical field of water conservancy and hydropower engineering. The flood discharge and sand discharge hole arrangement structure of pumped storage reservoir engineering of sand not entering the reservoir, containing the reservoir main dam, still contains the sand retaining dam and the flood discharge and sand discharge hole, the sand retaining dam is located the upstream of reservoir main dam, the flood discharge and sand discharge hole import section is located the upstream of sand retaining dam, the flood discharge and sand discharge hole body section is through the mountain, and the flood discharge and sand discharge hole export section is located the downstream of reservoir main dam, the sand retaining dam still is provided with sand retaining dam water delivery hole, is used for the water delivery to sand retaining dam and reservoir main dam interval reservoir area. Through setting up sand retaining dam and retaining water in the upstream, and utilize flood discharge and sand discharge hole to arrange flood and sand to the downstream of reservoir main dam, utilize sand retaining dam water delivery hole to carry out initial water storage and operation period water supplement to the lower reservoir, make the lower reservoir become the special use reservoir, thereby avoid the influence of sand, form the new type pivot arrangement mode of sand not entering the reservoir pumped storage power station reservoir.

This invention discloses a land maintenance method and apparatus suitable for the cultivation of Suaeda salsa in wetland areas, relating to the field of ecological restoration and land improvement technology. Ecological restoration is achieved through an ecological restoration fertilizer comprising: 30-60 parts Suaeda salsa powder, 30-60 parts segmented Suaeda salsa grass, and 1-5 parts fermentation agent. The preparation method of the ecological restoration fertilizer includes the following steps: harvesting Suaeda salsa mother grass on land; dividing the obtained Suaeda salsa mother grass into two parts; pulverizing the first part and passing it through an 80-100 mesh sieve to obtain Suaeda salsa powder. This invention uses harvested Suaeda salsa mother grass as raw material to prepare an ecological restoration fertilizer. The resulting fertilizer has sufficient nutrients and a high microbial content, making it suitable for soil improvement in coastal tidal flats. It can enhance soil fertility, improve soil permeability, prevent soil compaction, and promote strong root development when planting Suaeda salsa.

The utility model relates to environmental monitoring auxiliary equipment technical field especially portable exhaust cylinder sampling gun fixing support, it includes base, fixed mechanism and clamping mechanism, the latter two are separately arranged base both ends. Fixed mechanism is with first linear drive spare and roof board spacing between base, can be fixed in the exhaust cylinder straight fixedly in any direction sampling cylinder of support, clamping mechanism contains hinged bracket and locking piece, can add clamping plate and second linear drive spare adaptation different sampling gun, base is the telescopic structure of outer tube and inner tube, can adjust the length of base according to sampling gun length. The support is free hand, and the precision is high, and is suitable for multi -direction sampling cylinder and sampling gun, portable and easy to wear, and the popularization value is high.

This invention relates to the field of environmental protection and resource recycling technology, and discloses a method for reducing the volume of oily emulsified wastewater. The method includes: real-time acquisition of multimodal sensor data such as turbidity, conductivity, oil-water interface height, pH, and temperature; and fusing and calculating a dynamic characteristic state vector composed of coalescence efficiency, phase separation rate, and interface stability. This invention, through the fusion of multimodal sensor data and deep feature extraction, transforms the monitoring of the demulsification process from macroscopic, qualitative subjective observation to microscopic, quantitative dynamic state characterization, achieving precise, objective, and real-time understanding of the process state. This fundamentally solves the problems of subjectivity and lag in manual judgment; it can predict the evolution trend of the system state over a future period, thereby transforming the control strategy from passive responsive regulation to proactive predictive intervention.

The utility model discloses a kind of steel reinforcement cage modularization assembly auxiliary tool, belong to the technical field of construction engineering equipment, including lower mould frame, upper mould frame, positioning frame and guide sleeve;The lower mould frame is positioned by base vertical rib and forms the vertical guide structure to the upper mould frame;The positioning frame is installed in the upper mould frame, the positioning frame is equipped with the limiting portion that preloading horizontal rib and preloading vertical rib form cross grid shape arrangement;The guide sleeve is fixed in the positioning frame, and the lower part of the guide sleeve forms the guide cone mouth portion that preloading vertical rib and base vertical rib are vertically aligned. This technical scheme can realize the modularization, standardization fast assembly of steel reinforcement cage, improve construction efficiency, ensure assembly accuracy, reduce manual labor intensity, improve on-site construction quality and consistency.

This application relates to a gas dispersing device, which falls under the field of gas dispersion technology. It includes a main pipe, branch pipes, secondary pipes, and branch ducts. The secondary pipes are connected to the main pipe, and the branch ducts are connected to the branch pipes via the secondary pipes. Each branch duct has multiple holes, which are evenly distributed along its length and staggered between adjacent holes. This application improves the dissolution efficiency and uniform distribution of gas in a liquid by employing a hierarchical pipe structure and optimized hole placement design. The device uses multiple evenly distributed and staggered holes to improve the uniformity of gas within the pipe, increase the contact area between the gas and liquid, optimize gas emission and dispersion, ensure uniform gas distribution in the liquid, reduce bubble formation, and guarantee stable gas diffusion and dissolution efficiency. This device can be widely applied in water treatment, aquaculture, and wastewater treatment, significantly improving gas dissolution efficiency.

This utility model relates to the technical field of liquid ammonia treatment equipment and discloses an integrated device for liquid ammonia oil and impurity removal and gasification, comprising: an inlet pipe, the bottom end of which abuts against a metal sintered felt filter element. This integrated device for liquid ammonia oil and impurity removal and gasification, through the cooperation of a rotating sleeve, threaded block, and rotating block structure, achieves convenient assembly and disassembly of the metal sintered felt filter element. Operators can quickly complete the assembly and disassembly of the filter element without the need for additional tools, simply by rotating the rotating ring and rotating sleeve. This significantly simplifies the operation process and reduces the workload of operators. Compared with traditional filter element installation structures, this device avoids the problems of filter element damage or seal failure that may occur during cumbersome operations, effectively reducing maintenance costs. Furthermore, the convenient filter element replacement method can shorten equipment downtime for maintenance, improve the operating efficiency of the integrated device for liquid ammonia oil and impurity removal and gasification, and has good economic benefits and practical value.

This utility model relates to a device for desulfurization, dechlorination, and hardening of high-salinity wastewater using calcium carbide slag, belonging to the field of industrial wastewater treatment technology. The method includes steps such as heavy metal removal, magnesium ion removal, two-stage desulfurization and dechlorination, and calcium ion removal, sequentially achieving the removal of heavy metals and magnesium ions from the wastewater. 2+ SO4 2‑ Cl ‑ and Ca 2+ The system achieves efficient removal of calcium carbide slag, and the resulting precipitate is partially recycled for desulfurization after solid-liquid separation. The device includes a neutralization tank, a magnesium precipitation tank, a first reaction tank, a second reaction tank, a calcium precipitation tank, a desulfurization tower, a blower, and multi-stage solid-liquid separation units. It features a compact structure and clear division of labor. This invention fully utilizes calcium carbide slag solid waste resources, achieving high treatment efficiency, low operating costs, and resource-based utilization of byproducts. It possesses good engineering adaptability and economic and environmental benefits.

The application relates to the technical field of refractory materials, in particular to a chromium oxide refractory material and a preparation method thereof. The chemical composition of the chromium oxide refractory material comprises, in percentage by weight, Cr2O3 91%-92.5%, ZrO2 2.0%-3.0%, TiO2 3.5%-4.3%, MgO and Al2O3 0.8%-1.6%, and inevitable impurities <1%. The chromium oxide refractory material has the advantages of high compactness and low sublimation. 3 91%‑92.5%, ZrO2 2.0%‑3.0%, TiO2 3.5%‑4.3%, MgO and Al2O3 0.8%‑1.6%, and inevitable impurities <1%. The chromium oxide refractory material has the advantages of high compactness and low sublimation.