42results about How to "Simple composition" patented technology

The invention belongs to the technical field of power station boiler waste heat recycling energy-saving equipment and relates to a plate-and-shell type coal economizer. The plate-and-shell type coal economizer comprises a corrugated plate heat exchange core body (1), a heat exchanger shell (2), a first and a second water inlet / outlet water tank (3, 3') and a first and a second exhaust gas inlet / outlet pipeline (4, 4'), wherein the corrugated plate heat exchange core body (1) is mounted in the heat exchanger shell (2), the first and second water inlet / outlet water tanks (3, 3') are respectively arranged at the upper and lower ends of the front side of the corrugated plate heat exchange core body (1), and the first and second exhaust gas inlet / outlet pipelines (4, 4') are respectively arranged at the upper and lower sides of the corrugated plate heat exchange core body (1). The plate-and-shell type coal economizer solves the problem that the length of a water passage needs to be increased to solve the problem of unapparent water heating due to the great difference between an exhaust gas density and a water density, and meanwhile, a corrugated passage at the exhaust gas side enables the exhaust gas flow turbulivity to be increased and the heat transfer efficiency to be improved; the blockage due to ash accumulation happens rarely, even if the ash is accumulated, the cleaning is easy to finish.

The application relates to an acetic acid-regulated sodium metaaluminate-doped calcium-aluminum-phosphorus defluorination material based on eggshell, a preparation method and application thereof, and belongs to the technical field of defluorination water treatment. The method is as follows: eggshell powder, a phosphorus source and sodium metaaluminate are added into a mixed solvent composed of acetic acid and water, mixed and dispersed to form a uniform reaction system; the pH of the reaction system is adjusted to be alkaline; the adjusted reaction system is transferred into a closed reaction container to perform a solvothermal reaction; after the reaction is completed, the obtained solid product is separated and washed; and the washed product is dried. In the application, acetic acid is used for regulating the dissolution and conversion of the eggshell calcium source and the material crystallization process, sodium metaaluminate is used for introducing aluminum components and adjusting the material structure, so as to construct an Al-Ca-P synergistic defluorination system. The obtained material can be used for removing fluorine ions in fluorine-containing water bodies. The application has the dual characteristics of resource utilization of waste eggshells and preparation of defluorination functional materials, and has the advantages of simple process, easily-obtained raw materials and high application value.

The present application belongs to the technical field of cleaning products, and particularly relates to a high-temperature oil stain removing stove cleaner as well as a preparation method and application thereof. The high-temperature oil stain removing stove cleaner provided by the present application comprises the following components and mass fractions: 11-33 parts of an alkaline additive, 1-2 parts of hydroxyethylidene diphosphonic acid, 3-6 parts of a non-ionic surfactant, 4-8 parts of a solvent, 1-3 parts of a solubilizer, 1-3 parts of sodium xylene sulfonate, and 45-79 parts of water; the solvent comprises ethylene glycol monobutyl ether and diethylene glycol ethyl ether. The high-temperature oil stain removing stove cleaner provided by the present application has the advantages of simple cleaning method, high-temperature oil removing effect, good stain removing and oil scale removing effect on commercial kitchen utensils, high safety, no corrosion to metal, simple raw material composition, and no need to add a defoaming agent.

This utility model relates to a testing device for PLC debugging, belonging to the field of industrial automation equipment. It includes input elements, output elements, and a power supply. The input elements include a digital input section, an analog input section, and a temperature input section. Both ends of the digital input section are connected to one side of a digital input terminal block, and the other side of the terminal block is connected to the PLC's digital input module. The analog input section connects to the power supply and the analog input terminal block; the other side of the terminal block is connected to the PLC's analog input module. The temperature input section connects to a temperature input terminal block; the other side of the terminal block is connected to the PLC's temperature input module. The output elements include relays, indicator lights, and meters. This utility model device is simple in composition, safe, and reliable. Before testing, the PLC to be debugged is connected to the device in place once, and no changes or verification of the wiring are required during debugging.

A display device and an electronic device are provided. In the display device of the present invention, a pixel includes: a light-emitting element including an anode and a cathode; a first transistor connected between a first power line and the anode of the light-emitting element, and operating according to the potential of a first node; a second transistor connected between the first node and a data line, and receiving a first scan signal; a third transistor connected between a second node and a reference voltage line, and receiving the first scan signal; a fourth transistor connected between the second node and an initialization voltage line, and receiving a second scan signal; and a storage capacitor connected between the first node and the second node.

The present invention belongs to the field of nanoparticles and nanoparticle synthesis. In particular, the present invention relates to a method and system for producing core / shell nanoparticles, as well as core / shell nanoparticles. A method for producing core / shell nanoparticles is provided, comprising: - producing nanoparticles; - transporting the nanoparticles by a gas stream; - forming one or more shells around the nanoparticles while the nanoparticles are transported by the gas stream.

The present application belongs to the technical field of building engineering, and particularly relates to a lug plate device for a flower basket type cantilever steel beam, which comprises: a main component, which is sleeved on the flower basket type cantilever steel beam; a lug plate, which is fixedly connected above the main component; and at least one adjusting and fastening mechanism, which is arranged on the main component and is used for detachably and adjustably fixing the main component and the lug plate on the steel beam in the length direction of the steel beam by applying clamping force to the steel beam. The present application solves the position conflict adjustment problem: when the lug plate position conflicts with a vertical rod or the like, the lug plate can be easily moved and adjusted in position by loosening the bolts without cutting and re-welding, and the operation is extremely convenient.

The invention provides a transgenic Glycine max event MON87751, plants, plant cells, seeds, plant parts, progeny plants, and commodity products comprising event MON87751. The invention also provides polynucleotides specific for event MON87751, plants, plant cells, seeds, plant parts, and commodity products comprising polynucleotides for event MON87751. The invention also provides methods related to event MON87751.

This invention relates to the field of vapor phase corrosion inhibitors and discloses a green and environmentally friendly vapor phase corrosion inhibitor and its preparation method, which is composed of the following raw materials in the indicated mass percentages: phytic acid 30%-38%, citric acid 8%-12%, diethanolamine 32%-40%, morpholine 4%-8%, water 10%-15%, ethanol 4%-6%, benzotriazole 1.5%-2.5%, and alanine ternary complex 0.5%-3.0%. Phytic acid, extracted from rice bran processing byproducts, and citric acid, derived from citrus fruits, are used as the core organic acid components. The polyphosphate groups of these two components form a synergistic chelate system with the carboxyl groups. Combined with other green components, this eliminates dependence on non-renewable petrochemical products from the source of raw materials, truly realizing the green properties of the corrosion inhibitor, and exhibiting excellent biocompatibility. The alanine ternary complex, through the multi-coordination site structure formed by L-alanine, phosphoric acid, and dibutylamine, synergistically works with the heterocyclic structure of benzotriazole to fill the defects in the protective film formed by the adsorption of single benzotriazole, enhancing its adsorption and compatibility with different metal surfaces.

This utility model relates to an anti-segregation device for concrete pouring of foundation beam pile heads in highway engineering. The device comprises reinforcing bars I and II, inclined steel plates, and retaining steel plates I, II, and III. The inclined steel plates form a 45-degree angle with the horizontal plane, and their lower edges are arc-shaped discharge ports. The side of the inclined steel plate opposite the arc-shaped discharge port is connected to the bottom of retaining steel plate III along its width direction. The inclined steel plates are connected to the bottoms of retaining steel plates I and II along their length direction. One end of retaining steel plate III is connected to retaining steel plate I, and the other end is connected to retaining steel plate II. The edges of the arc-shaped discharge port are welded to reinforcing bars I and II one-to-one, and these reinforcing bars I and II are connected to the lower edges of the inclined steel plates at a 135-degree angle. This utility model has a simple composition, is easy to install, saves time and labor, and can prevent concrete segregation during foundation beam pile head pouring, ensuring the quality of foundation beam concrete pouring.

The application discloses a kind of green building wall structure, comprising: wall, filter, water storage part and water supply assembly;Wall outside is planted pot for planting potted plant, is opened with cavity from top to bottom in wall, water storage part is equipped at the bottom of cavity, water storage part is suitable for containing rainwater flowing into cavity, water supply assembly rainwater in water storage part is sent to planting pot to irrigate potted plant, to realize saving resources, environmental protection, reduce environmental pollution.In the upper portion of cavity, filter is arranged, filter is used to filter rainwater flowing into cavity from the top of wall, impurities in rainwater are intercepted on filter, so as to avoid impurities in rainwater from causing blockage of water supply assembly, increase maintenance cost.

This invention relates to the field of rock mechanics and intelligent detection technology, specifically a method and system for predicting rock strength and failure modes. The method includes: obtaining a multi-source feature set based on data acquisition from a rock sample; constructing a feature coefficient prediction model, inputting the multi-source feature set into the feature coefficient prediction model to obtain feature coefficients; filtering the multi-source feature set based on the feature coefficients to obtain an optimal feature subset; constructing a rock strength and failure mode prediction model, and optimizing the hyperparameters of the rock strength and failure mode prediction model using an automated hyperparameter optimization framework; inputting the optimal feature subset into the optimized rock strength and failure mode prediction model to obtain the predicted rock strength value and failure mode. This invention solves the problems of insufficient accuracy and inability to predict rock strength and failure modes simultaneously in existing technologies. Through multi-source data collaborative prediction, the accuracy of the prediction is greatly improved.

This invention relates to the field of polymer materials technology, specifically disclosing a polypropylene composite material, a polypropylene composite film, and a method for preparing the same. The invention provides a polypropylene composite material comprising polypropylene, 1,3:2,4-di-p-methylbenzyl sorbitol, and other additives. The 1,3:2,4-di-p-methylbenzyl sorbitol used as an organic nucleating agent can effectively regulate and improve the microstructure of polypropylene, significantly increasing its crystallinity and reducing density defects in the resulting polypropylene film. This provides a reliable material basis for preparing polypropylene composite films with high electrical insulation properties, excellent high-temperature resistance, and long-term high-temperature cycling stability, solving the problem of insufficient long-term stable cycling performance in existing polypropylene films due to low energy storage density and poor high-temperature resistance.

This disclosure proposes a liquid-cooled mechanical seal, including a rotating ring, a stationary ring, and a bushing. The bushing has a rotating ring on one side and an anti-rotation structure to form the rotating ring portion. The bushing is fitted onto a stationary ring seat and a stationary ring from the other side, forming a sealing end face at the point where the rotating and stationary rings abut against each other. An annular flow channel is formed between the rotating and stationary rings on the inner circumferential side of the sealing end face, connecting to the outer circumferential wall of the bushing. The space between the inner circumferential wall of the stationary ring seat, the inner circumferential wall of the stationary ring, and the outer circumferential wall of the bushing serves as a transition flow channel. The stationary ring seat has an inlet and an outlet at the transition flow channel, and a sealing ring is also provided at the space. The transition flow channel is located at one end of the annular flow channel and communicates with it. Coolant enters the transition flow channel from the inlet, and the transition flow channel connects to the annular flow channel to allow coolant to enter the annular flow channel. The coolant entering the annular flow channel is used to cool the rotating ring, the stationary ring, and the abutting joint. The outlet is used for coolant outflow. This liquid-cooled mechanical seal is easy to assemble and facilitates the formation of a liquid-cooled flow channel.

This invention discloses a Shun'an Zhongda stomach-protecting seasoning product, belonging to the field of food seasoning technology. This product uses one or more food-grade, chlorine-free organic sodium compounds selected from sodium lactate, sodium citrate, sodium malate, sodium gluconate, and sodium hexametaphosphate as its core salty component. It is compounded using conventional food processing techniques to produce edible forms such as liquid, powder, granules, paste, colloid, and tablets. This product eliminates the traditional sodium chloride component, is free of chloride ion irritation, and is mild and safe to consume. It is specifically designed to meet the daily seasoning needs of people with excessive stomach acid or sensitive stomachs. Furthermore, its preparation process is simple, its form is flexible, and its application scenarios are wide-ranging, giving it significant market potential.

The application provides a visible light positioning system and a preparation method of a silicon-based flexible photoelectric detector, and relates to the technical field of visible light positioning. The visible light positioning system comprises a fixed module with a curved surface structure, at least two silicon-based flexible photoelectric detectors, a data processing module and a positioning analysis module. The silicon-based flexible photoelectric detector comprises, from top to bottom, a front grid electrode layer, a hole transport layer, a passivation layer, an N-type monocrystalline silicon layer and a back metal electrode layer arranged in a stacked manner. The N-type monocrystalline silicon layer has a pyramid structure on both sides, and the hole transport layer, the passivation layer and the back metal electrode layer are conformally arranged with the N-type monocrystalline silicon layer. The silicon-based flexible photoelectric detector has the characteristics of flexibility, self-supporting and self-power supply, and has excellent photoelectric detection capability. The visible light positioning system has a simple structure, reduces the volume and cost, and realizes accurate positioning of the measured light source.

The utility model discloses a continuous roll bottom type solid solution furnace discharge slow cooling chamber structure for stainless steel pipe, including slow cooling chamber, the both ends of slow cooling chamber are equipped with feed port and discharge port respectively, and the feed port and discharge port are set to be staggered, and the position of slow cooling chamber in correspondence with feed port and discharge port is equipped with first horizontal conveying mechanism and second horizontal conveying mechanism respectively, and the slow cooling chamber between first horizontal conveying mechanism and second horizontal conveying mechanism is equipped with longitudinal conveying mechanism, and one pair or more pairs of steel pipe transfer mechanism are respectively arranged between the both ends of first horizontal conveying mechanism, second horizontal conveying mechanism and longitudinal conveying mechanism, and the steel pipe transfer mechanism includes the mobile seat of longitudinal movement connection in slow cooling chamber, the lifting mechanism of being fixed on mobile seat and the support base of being fixed on the top of lifting mechanism, and the utility model discloses big, can adapt the continuous discharge work of continuous roll bottom type solid solution furnace.

The application relates to an off-line loading device for studying thermal attenuation of a fuel cell catalytic layer and a use method, and realizes thermal attenuation of the catalytic layer in an external heat source heating mode. The off-line loading clamp comprises a clamp base, a pressure component and a pressure adjusting knob, and is used for clamping and fixing a sample to be measured; the temperature control assembly comprises a heating component, a temperature sensor and a temperature digital display component, and is used for monitoring and visualizing the internal temperature of the sample to be measured; the pressure control assembly comprises a pressure sensor and a pressure digital display component, and is used for monitoring and visualizing the bearing pressure of the sample to be measured. Compared with the prior art, the application excludes the interference of chemical degradation in in-situ testing, can realize accurate regulation of key factors influencing the catalytic layer thermal attenuation process such as the bearing pressure, the internal temperature and the internal humidity of the sample, and has the advantages of simple structure and convenient operation.

The application discloses an electric control mechanical brake and air brake train brake control system and method, which comprises a brake signal generator, an EPB switch, an EMB controller, an EMB electric push rod assembly, a wheel brake, a trailer controller, a trailer actuating valve, an air pressure sensor, a trailer valve, an air cylinder, an air compressor, a red / yellow spiral air pipe electric connection line and a trailer air pressure brake system; the EMB controller is electrically connected with the brake signal generator and the EPB switch respectively, and the EMB controller controls the wheel brake through the EMB electric push rod assembly; the trailer controller is electrically connected with the brake signal generator, the EPB switch, the trailer actuating valve and the air pressure sensor respectively; the trailer actuating valve is electrically connected with the air pressure sensor, the trailer actuating valve and the trailer valve are connected through a pipeline, and the trailer valve is electrically connected with the trailer air pressure brake system through the red / yellow spiral air pipe electric connection line; and the air compressor is connected with the trailer actuating valve through the air cylinder.

This invention relates to the field of hydroponic plant monitoring technology, specifically to an intelligent monitoring and supplementation system for hydroponic plant nutrients, comprising: a mother liquor storage device, a nutrient solution tank, and a monitoring and control device; the mother liquor storage device is disposed above the nutrient solution tank, and the mother liquor storage device is connected to the nutrient solution tank via a delivery pipeline, the mother liquor storage device being used to supplement the nutrient solution tank with nutrient solution; the monitoring and control device is used to monitor the index parameters of the nutrient solution in the nutrient solution tank, and control the mother liquor storage device to supplement the nutrient solution tank with nutrient solution according to the index parameters of the nutrient solution. The intelligent monitoring and supplementation system for hydroponic plant nutrients of this invention can monitor the nutrient solution in real time and supplement it promptly according to the detected nutrient solution parameters, eliminating the need for manual addition of nutrient solution mother liquor to ensure that the nutrient solution meets the standards, thus achieving fully automatic intelligent monitoring of the nutrient solution status.

This invention, entitled "A Method for Preparing an Antiepileptic Carbon Dot Suspension," belongs to the field of pharmaceutical technology. It relates to a method for preparing a nanoparticle suspension and provides a carbon dot suspension for treating epilepsy. The raw materials and excipients of the suspension include: carbon dots from human hair, stabilizers, flavoring agents, and preservatives. The suspension of this invention exhibits stable properties, simple excipient composition and preparation process, and excellent taste. The most preferred formulation is: 5g of carbon dots from human hair, 0.125% CMC-Na, 0.05% ethylparaben, and 2.5% sucrose.

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for training a policy neural network for use in controlling an agent using relative variational intrinsic control. In one aspect, a method includes selecting a skill from a set of skills, generating a trajectory by controlling an agent using a policy neural network while the policy neural network is conditioned on the selected skill, processing an initial observation and a last observation using a relative discriminator neural network to generate a relative score, processing the last observation using an absolute discriminator neural network to generate an absolute score, generating a reward for the trajectory as a function of the absolute score corresponding to the selected skill and the relative score corresponding to the selected skill, and training the policy neural network based on the reward for the trajectory.

The utility model discloses a kind of aluminium alloy heat dissipation structures for photovoltaic power generation inverter, this structure aims at solving the problem that the heat dissipation performance of existing photovoltaic inverter shell is poor, internal heat is difficult to transfer to outside, reduces inverter conversion efficiency. The structure includes shell, shell is U-shaped structure and left and right sides are equipped with aluminium alloy radiator, the back of shell is detachably installed with backplate, aluminium alloy radiator includes aluminium alloy main body, and aluminium alloy main body is equipped with multiple heat dissipation holes. The utility model is installed aluminium alloy radiator in the left and right sides of shell, and multiple heat dissipation holes and heat dissipation fins are set on the aluminium alloy main body of aluminium alloy radiator, can increase the contact area with air, when air flows through the gap between heat dissipation hole and heat dissipation fin, thereby faster make internal components to outside heat dissipation, increase the heat dissipation area of inverter shell, reduce the energy loss of photovoltaic power generation inverter.

The utility model discloses a front insertion lightning arrester assembly for installing on the conductive terminal, including T type casing, be provided with the cylindrical lightning arrester on T type casing, T type casing is provided with first cavity, second cavity and third cavity, the cylindrical lightning arrester sets up in second cavity, be provided with end cap in third cavity, first cavity is compatible with the conductive terminal, the conductive terminal sets up in first cavity, makes T type casing sleeve set on the conductive terminal, connects the conductive terminal with the cylindrical lightning arrester, the utility model has the beneficial effect that: through with the cylindrical lightning arrester preloading in the second cavity of T type casing, again with the first cavity of T type casing direct with the conductive terminal alignment and displacement sleeve set, realized the quick, simple and convenient insertion type installation of lightning arrester assembly and the conductive terminal, this process does not need the complex tool or operation, has simplified the field installation process significantly, has improved the construction efficiency.

This invention discloses a method, apparatus, and system for tilt attitude calibration of a vertical hydrophone array based on the ray-mapping method. The method includes: sequentially performing a pre-search estimation of the receiving-transmitting distance of each hydrophone in order from shallow to deep depth, minimizing the error between the theoretically calculated arrival time difference between the direct wave and the reflected wave from the sea surface and the actual extracted time difference, thereby obtaining the optimal distance estimate for each hydrophone in the pre-search stage; recalculating the optimal direct wave arrival time for each hydrophone using the optimal distance estimate obtained from the pre-search; and again, sequentially fine-tuning and optimizing the receiving-transmitting distance of each hydrophone in order from shallow to deep depth, iteratively searching for the distance estimate that most closely matches the theoretical direct wave arrival time calculated based on the pre-search estimate with the actual measured value. This invention provides a marine vertical receiving array attitude calibration scheme that is independent of external assistance, highly accurate, robust, and computationally efficient.

The present application relates to the field of image processing, and specifically to an intestinal necrosis feature recognition system based on image analysis and a storage medium, wherein a computer program in the storage medium performs the following steps: obtaining medical images of a patient and dividing them into an expiration phase subset and an inspiration phase subset; performing spatial registration and motion artifact correction on the expiration phase subset and the inspiration phase subset to obtain multi-modal images; extracting a blood vessel obstruction feature, a perfusion injury feature and a cell necrosis feature in the multi-modal images; constructing a causal hierarchical relationship among the blood vessel obstruction feature, the perfusion injury feature and the cell necrosis feature based on an intestinal necrosis pathological mechanism; and determining a risk level of the patient having intestinal necrosis and a probability corresponding to the risk level based on the causal hierarchical relationship, the blood vessel obstruction feature, the perfusion injury feature and the cell necrosis feature using a random forest algorithm. The present application solves the problem of insufficient accuracy in recognizing intestinal necrosis features in the prior art.

The utility model provides a kind of for film thermal expansion coefficient test's sample preparation mould, applicable to thermal dilatometer or thermal mechanical analyzer, it is related to film field.This for film thermal expansion coefficient test's sample preparation mould, including mould frame and rectangular cutting table, the inner wall of rectangular cutting table is fixedly connected with square punch body, the top of square punch body is fixedly connected with DC motor, the output shaft of DC motor is fixedly connected with one-way screw rod, the outer circumferential surface of one-way screw rod is connected with the inner wall of threaded slide cylinder with screw thread, the bottom of threaded slide cylinder is fixedly connected with circular punch body.This for film thermal expansion coefficient test's sample preparation mould, by the setting of square punch body, DC motor, one-way screw rod, threaded slide cylinder, circular punch body, position control sliding block, position control track, rectangular cutting table, U-shaped support, electric push rod, can effectively reach the purpose of quick slitting film and the convenient replacement of punching sample preparation shape, enhance the practical effect of this sample preparation mould, and simplify component composition, it is favorable for production, installation.