108results 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 invention relates to the technical field of rock mechanics and intelligent detection, in particular to a rock strength and failure mode prediction method and system. The method comprises the following steps: acquiring data of a rock sample to be detected to obtain a multi-source feature set; constructing a feature coefficient prediction model, and inputting the multi-source feature set into the feature coefficient prediction model to obtain a feature coefficient; screening the multi-source feature set based on the feature coefficient to obtain an optimal feature subset; constructing a rock strength and failure mode prediction model, and optimizing hyper-parameters of the rock strength and failure mode prediction model by adopting an automatic hyper-parameter optimization framework; and inputting the optimal feature subset into the optimized rock strength and failure mode prediction model to obtain a rock strength prediction value and a failure mode. The problem that rock strength and failure mode prediction precision is not accurate enough and cannot be predicted at the same time in the prior art is solved, and the prediction precision is greatly improved through multi-source data collaborative prediction.

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.

The application discloses a drilling cementing wall stabilizing agent and a preparation method and application process thereof, and belongs to the technical field of oil field chemistry, and particularly relates to a preparation of the drilling cementing wall stabilizing agent. The preparation method of the drilling cementing wall stabilizing agent can be that thermoplastic resin, a curing agent and inorganic powder are uniformly mixed and stirred at normal temperature and normal pressure according to proportions. The wall stabilizing agent material has the advantages of simple production process, safety, low material cost and convenience for large-scale production and application. The product can not only plug pores and reduce filtration loss, but also cement sand and mudstone strata and improve stratum pressure-bearing capacity, so that the purpose of stabilizing a well wall is achieved. The application further provides an application process of the drilling cementing wall stabilizing agent, which comprises a suitable drilling fluid system and an adding amount and construction process under different stratum porosities and different working conditions.

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.

The utility model relates to a kind of protective atmosphere electroslag furnace with furnace leg pneumatic clamping device, gas cylinder telescopic component is set in the lower of upper furnace leg;Lower furnace leg is set in the lower of upper furnace leg;Pneumatic clamping component is set in the upper of lower furnace leg;Gas cylinder telescopic component is through telescopic to pneumatic clamping component;Pneumatic clamping component clamps gas cylinder telescopic component, connects or disconnects the large current passage between upper furnace leg and lower furnace leg.Compared with the furnace leg clamping system of traditional single furnace head double-station rotary gas-protected electroslag furnace, the above problems are solved by adopting cylinder clamping mode and position encoder positioning mode, which has the advantages of low investment cost, high positioning accuracy, safe and reliable operation, convenient maintenance, good environmental compatibility and other advantages, solves the technical problems of traditional single furnace head double-station rotary electroslag furnace, such as complex sealing system, difficult leakage maintenance, large space occupation, high investment cost, poor environmental compatibility, large positioning error, low control accuracy and low production efficiency.

The invention discloses surface-modified porous reconstructed tobacco particles, a preparation method thereof and a low-harm cigarette. The tobacco particles are prepared from the following raw materials in parts by weight through granulation and curing: 40-70 parts of tobacco raw materials, 20-55 parts of a filling agent, 1-8 parts of a humectant, 0.5-2.5 parts of a combustion improver, 0.05-1.5 parts of an essence material, 1-8 parts of a water-based coating material and 0.2-2 parts of nano metal oxide. The preparation process of the tobacco particles comprises the following steps: uniformly mixing the raw materials, granulating, spraying a modified mixed solution consisting of a water-based coating material and a nano metal oxide on the surfaces of the particles, and drying to obtain the tobacco particles. A low-harm cigarette formed by rolling a full-particle cigarette rod formed by curing the reconstructed tobacco particles and a cigarette filter paper rod is based on a three-dimensional honeycomb net structure of the reconstructed tobacco particles and catalytic degradation of harmful substances, and the technical problem that in the prior art, the harmful substances are reduced along with the evacuation feeling is effectively solved; and tar and other harmful components in the smoke are effectively reduced while the mellow and normal flavor of the smoke is ensured.

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 special-shaped unit curtain wall connecting component comprises a vertical frame, a transverse frame and a hanging piece which are made of aluminum alloy materials, the vertical frame and the transverse frame are arranged to be attached to the shape of a special-shaped wall face, one end of the hanging piece is fixedly arranged between the aluminum alloy vertical frame and the aluminum alloy transverse frame, and the other end of the hanging piece is fixedly connected with a prefabricated embedded part arranged in the special-shaped wall face. According to the utility model, the vertical frame and the transverse frame are applied to form the foundation of the connecting component of the special-shaped unit curtain wall, and the connecting component and the special-shaped wall surface are combined into a whole through the hanging piece and the prefabricated embedded part arranged on the special-shaped wall surface, so that the composition of the connecting component is simplified; complex geometrical shapes and combination modes do not need to be adopted for being matched with the unique building appearance, the simple structure has obvious advantages in the installation process, the installation quality can be guaranteed while the installation difficulty is lowered, the problem of the sealing performance of the unit curtain wall does not exist, and the installation cost is reduced. The device can be applied to installation of most unit curtain walls of building surfaces of special-shaped structures, and has universality.

The application discloses a spiramycin fermentation method based on nitrogen source regulation, and relates to the technical field of spiramycin fermentation. The application improves the spiramycin fermentation titer and reduces the generation levels of impurities D and F without changing the production strain, introducing complex genetic modification and large equipment modification, by adjusting the ratio of the available inorganic nitrogen source and the composite organic nitrogen source in the initial culture medium, and optimizing the composition of the organic nitrogen source in the feeding stage. The application can solve the problems in the existing mature fermentation process, such as the limited titer improvement space, the possible influence of the slow-release organic nitrogen source such as soybean meal on impurity F in the feeding stage, the mismatch between the nitrogen metabolism rhythm and the secondary metabolism start caused by the too fast use of the available ammonium salt, and the high impurity D level in the late fermentation stage. The application also verifies the action mechanism of the nitrogen source regulation process by the changes of the total sugar, amino nitrogen and related biosynthesis gene expression in the fermentation process, and provides a basis for subsequent process amplification and quality control.

The present application relates to a scatter model derivation apparatus, a radiation image processing apparatus, a method thereof, and a storage medium. The apparatus includes: a reference image acquisition unit configured to acquire at least one reference image representing a reference object having different thicknesses, the at least one reference image being obtained by radiographing the reference object with a radiation detector in a state in which the reference object is interposed between the reference object and the radiation detector; a reference object thickness and radiation attenuation coefficient relationship derivation unit configured to derive a relationship between a thickness of the reference object and a radiation attenuation coefficient of the reference object corresponding to an energy characteristic of the radiation and reflecting an influence of beam hardening caused by the reference object and an object; a primary ray component derivation unit configured to derive a primary ray component corresponding to the thickness of the reference object included in the reference image based on the relationship between the thickness of the reference object and the radiation attenuation coefficient of the reference object; a scatter ray component derivation unit configured to derive a scatter ray component corresponding to the thickness of the reference object included in the reference image based on a difference between the reference image and the primary ray component; and a scatter model derivation unit configured to derive a scatter model representing a relationship between the thickness of the reference object and a proportion of the scatter ray component with respect to the primary ray component.

The present invention is concerned with a sterile aqueous ophthalmic solution comprising about 0.05% to about 0.5% (w / w) of n-(n-acetylcysteinyl-)chitosan or a pharmaceutically acceptable salt thereof in a carrier solution, wherein the n-(n-acetylcysteinyl-)chitosan has a content of free thiol groups in an amount of from 80 μmol / g polymer to 280 μmol / g polymer. The invention is also concerned with a container containing said ophthalmic solution as well as the use thereof in the prevention or treatment of dry eye syndrome or dry eye signs and / or symptoms.

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 application discloses a liquid crystal emulsion containing alkyl glycoside sodium hydroxypropyl sulfonate and a preparation method thereof, and belongs to the technical field of daily-use chemicals.The raw materials of the liquid crystal emulsion include an alkyl glycoside sodium hydroxypropyl sulfonate solution and an oil phase; wherein the oil phase is selected from at least one of dodecanoic acid and hexadecanoic acid.The prepared liquid crystal emulsion containing alkyl glycoside sodium hydroxypropyl sulfonate is hexagonal liquid crystal, can realize the encapsulation and stabilization of various active material cosmetic raw materials, and has good pH and temperature applicability.Meanwhile, the liquid crystal can effectively inhibit the oxidative degradation of the active material.The preparation process of the liquid crystal is simple and easy to operate, and has low requirements on equipment.

The invention relates to a testing device. The testing device is simple in overall structure and low in manufacturing cost, can efficiently and reliably complete the performance test of the gimbal seat assembly, and can effectively reduce the testing risk in the design verification and performance evaluation process of the gimbal seat assembly. The testing device is used for testing a gimbal seat assembly and comprises a base supporting assembly, a thrust loading assembly and a swing control assembly, the gimbal seat assembly is arranged on the base supporting assembly, and the thrust loading assembly is connected with the end, away from the base supporting assembly, of the gimbal seat assembly. The thrust loading assembly is used for applying thrust to the gimbal seat assembly, the thrust direction is arranged in the axial direction of the gimbal seat assembly, the thrust penetrates through the swing center of the gimbal seat assembly, and the swing control assembly is connected with the thrust loading assembly and / or the gimbal seat assembly. The swing control assembly is used for driving the thrust loading assembly and the gimbal seat assembly to swing around a first direction and / or a second direction at the same time, and the first direction is perpendicular to the second direction.

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 provides a method for increasing the content of benzene and naphthalene compounds in coal pyrolysis tar. The method includes: reacting low-rank coal pyrolysis volatiles sequentially through a carbon-based catalyst layer and a molecular sieve catalyst layer at a temperature of 500-800℃ under a protective gas atmosphere; the reaction products are then condensed to obtain tar. This method utilizes a series of carbon-based and molecular sieve catalysts for the catalytic cracking of low-rank coal pyrolysis volatiles, fully leveraging the abundant active sites of the carbon-based catalyst and the high selectivity of the molecular sieve. Through the synergistic effect of the carbon-based and molecular sieve catalysts, a significant increase in the content of benzene and naphthalene compounds in the tar obtained from coal pyrolysis is achieved.

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 intelligent traffic control technology, specifically a method and system for traffic control at intersections within a wharf. The method includes: acquiring vehicles waiting to pass in the controlled lanes, vehicle information, and initial urgency weights; calculating the urgency of vehicles waiting to pass based on the vehicle information and initial urgency weights; sorting the vehicles according to their urgency to obtain a release queue for the controlled lanes, and grouping the release queues into release groups; calculating the Pareto optimal solution set for the release groups using a multi-objective optimization algorithm based on a pre-set inter-group release order and vehicle urgency; adjusting the initial urgency weights based on the Pareto optimal solution set and iteratively obtaining an optimal travel time allocation set and adjusted release groups; and controlling the intersection traffic based on the inter-group release order, the optimal travel time allocation set, and the adjusted release groups. This method solves the problem of insufficiently scientific and reasonable traffic control at intersections within wharves in existing technologies.

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.

Provided is a cushion body capable of compactly mounting a clip for hanging a seat cover into a base material. The cushion body (2) is a structure divided into three divided elements of a main pad (4) constituting a central part in a seat width direction and side pad (5) constituting both side surface parts in the seat width direction. The main pad (4) has a main base material (4B) as a support base, a main cover covering the main base material (4B) from a seat surface side, and a clip (CL) mounted to the main base material (4B) and hanging a part of the main cover. The clip (CL) has a clip seat (CL1) mounted to a seat surface (B1) of the main base material (4B) and a hanging portion (CL2) hanging the main cover. The main base material (4B) has a mounting portion (BA) which is snap-fitted with the clip seat (CL1) by sliding along the seat surface (B1) to be pressed into between the mounting portion (BA) and the seat surface (B1).

The application discloses a microwave photon link with reconfigurable bandwidth and dynamic range and an implementation method thereof, wherein the implementation method comprises the following steps: generating an optical carrier by a laser and injecting the optical carrier into a double parallel Mach-Zehnder modulator, dividing the input end of the double parallel Mach-Zehnder modulator into two beams with a proportionally adjustable ratio, and respectively injecting the two beams into an upper side modulator and a lower side modulator of the double parallel Mach-Zehnder modulator; applying a radio frequency signal to the upper side modulator to modulate the injected optical carrier; the lower side modulator only performs carrier phase control; and performing direct current biasing on the double parallel Mach-Zehnder modulator by a bias control unit, and outputting a modulated optical signal. By adjusting the direct current biasing point of the upper side modulator and optimizing the optical power distribution ratio, the application can respectively realize the suppression of third-order intermodulation distortion and second harmonic distortion, realize two working modes of narrow-band large dynamic and ultra-wideband of the microwave photon link, and the two modes can be flexibly reconfigured.