12results about How to "Reduce potential impact" patented technology

The invention relates to the technical field of antibacterial materials, and provides a light-enzyme-heat synergistic antibacterial nano composite material and a preparation method thereof.The preparation method comprises the steps that 1, a copper-based chalcogenide with a plasma resonance effect serves as a structural template, a transition metal oxide intermediate layer and a bismuth oxyhalide epitaxial layer are sequentially constructed on the surface of the copper-based chalcogenide with the plasma resonance effect through a step-by-step continuous solvothermal method, and the copper-based chalcogenide with the plasma resonance effect serves as the structural template; forming a core-shell heterojunction with Z-type energy band matching; (2) pre-assembling a natural enzyme and a monatomic nano-enzyme in a buffer system to form a composite catalytic unit with an electron transfer channel; and (3) by taking the core-shell heterojunction as a polymerization core, under the precise temperature control condition of 0-10 DEG C, initiating active free radical polymerization through an interface, constructing a thermal response polymer shell layer on the surface of the heterojunction, and encapsulating the composite catalytic unit in a functional microdomain of a polymer network in situ. The anti-bacterial fabric can achieve a better synergistic anti-bacterial effect.

The invention discloses an in-situ leaching liquid injection system and method for high-altitude ionic rare earth ore, and belongs to the field of rare earth hydrometallurgy. The system is composed of a liquid injection well pattern, a layered liquid injection device, a first liquid supply system, a second liquid supply system and a collection system. Exploring the thickness of an ore body weathering crust and vertical distribution of rare earth / impurities; the liquid injection hole is vertically divided into an upper layer liquid injection area (1 / 3-1 / 2 of the upper part) and a lower layer liquid injection area (1 / 2-2 / 3 of the lower part); a 1.0-1.4 wt% low-concentration diethylenetriamine-ammonium acetate composite leaching agent is injected into the upper layer, and co-leaching of impurities such as aluminum and iron is reduced; 1.5-2.5 wt% of high-concentration diethylenetriamine-ammonium acetate composite leaching agent is injected into the lower layer to ensure efficient leaching of rare earth; and rare earth-rich leaching liquid is collected. Compared with a traditional full-layer high-concentration process, the method has the advantages that the use amount of a leaching agent is reduced by 20-40% while the rare earth leaching rate is kept to be larger than or equal to 90%, the aluminum ion concentration of the leachate is reduced by 30-60%, the agent cost and the follow-up impurity removal load are remarkably reduced, and the method is particularly suitable for the high-altitude, low-temperature, low-air-pressure and thick-weathered crust environment.

The utility model provides a kind of battery module, battery pack and vehicle, it is related to new energy automobile field.The battery module includes shell, liquid cooling plate and multiple electric cores, liquid cooling plate is set to the bottom surface of shell, liquid cooling plate has heat conduction convex part;Heat conduction convex part is formed with containing groove on liquid cooling plate;And multiple electric cores, multiple electric cores are set in shell, electric core has opposite first face and second face, first face is provided with pressure relief device, and electrode is provided on second face;Wherein, multiple electric cores are arranged on heat conduction convex part, first face is contacted with heat conduction convex part, heat conduction convex part is used to conduct the heat of electric core to liquid cooling plate, and pressure relief device is located in containing groove.When the pressure relief device of electric core opens or electric core leaks, since pressure relief device is located in containing groove, all leaked electrolyte or fallen impurities can be effectively collected in containing groove, solve the safety problem brought by the pressure relief device of electric core after opening.

The utility model discloses a railway field section tunnel soil sampling device belongs to sampling device field, including the sampling pipe, the bottom clamping of sampling pipe has sealing mechanism, the top fixedly connected with sampling mechanism of sampling pipe inner side wall, the sealing mechanism includes snap ring, the outer surface of snap ring is through the outer surface of sealing ring clamping in the sampling pipe bottom, the upper surface fixedly connected with sealing sleeve of snap ring, the upper surface fixedly connected with A magic paste of sealing sleeve, the upper surface of A magic paste is pasted with B magic paste, through the cooperation of above each device, through the sealing mechanism of setting, the sealing mechanism is placed in the sampling pipe when soil sampling, and sealing mechanism can effectively prevent the pollution of soil, for the soil sample that needs to keep specific humidity condition, sealing can effectively avoid the infiltration of moisture loss or external moisture, maintains the original physical and chemical properties of sample.

This invention relates to the field of robot control technology, and more particularly to a multimodal environmental perception adaptive robot, comprising: an environmental perception component for acquiring visual images, spatial point clouds, human body thermal distribution, temperature and humidity, and illuminance; a multimodal feature extraction component for calculating the illumination degradation factor, the approach potential of the crowd, and the environmental disturbance index; a scene analysis unit for determining whether to adapt to a dangerous, attention-based, or conventional type based on the environmental disturbance index, determining the fusion weight of the positioning mode based on the illumination degradation factor, and determining the walking speed and narration volume based on the approach potential of the crowd; a behavior strategy grader for outputting the initial speed, volume, and path planning mode; and an adaptive feedback device for monitoring the trend of the environmental disturbance index and triggering strategy upgrades. This invention achieves stable positioning under low light conditions, smooth speed and volume adjustment in dynamic crowd flow, and adaptive services with quantified environmental disturbances, ensuring the operational safety and narration quality of the ancient book exhibition area.

A connecting device for a cabinet body comprises a connecting device body, a first connecting plane is arranged on one side of the connecting device body, a second connecting plane and a third connecting plane are arranged on the other side of the connecting device body, a segment difference is arranged between the second connecting plane and the third connecting plane, and a connecting piece is arranged on the other side of the connecting device body. The first connecting plane is used for being detachably connected to the handle baffle, the second connecting plane and the third connecting plane are used for abutting against the cabinet body, and the connecting piece is used for being detachably connected to the cabinet body. Due to the fact that the section difference is formed between the second connecting plane and the third connecting plane, in the process of installing the handle baffle, the connecting device only needs to be simply turned over, and the first connecting plane corresponding to the second connecting plane or the third connecting plane corresponding to the thickness size of the handle baffle is aligned with the handle baffle. According to the design, not only is the installation process simplified, but also the adaptability of the product and the user experience are greatly improved.

The utility model relates to water quality detection technical field discloses a kind of online offline multipurpose water quality detection device, including detection cylinder, water inlet switching component, water outlet switching component and electrode;Detection cylinder is equipped with detection cavity and the water inlet and water outlet being communicated with detection cavity;Water inlet switching group includes online water inlet pipe, offline water inlet pipe, water inlet tee valve and water inlet switch valve, and online water inlet pipe and offline water inlet pipe are connected with water inlet by water inlet tee valve, and water inlet switch valve is located between water inlet tee valve and water inlet;Water outlet switching component includes online water outlet pipe, offline water outlet pipe, water outlet tee valve and water outlet switch valve, and online water outlet pipe and offline water outlet pipe are connected with water outlet by water outlet tee valve, and water outlet switch valve is located between water outlet tee valve and water outlet;Electrode is located on detection cylinder, and its measurement part is located in detection cavity.The utility model can solve the problem of how to switch online and offline water quality detection.

This invention discloses a rapid human interleukin-4 test strip based on a double-antibody sandwich method. The test strip includes a sample pad, a latex pad, a conjugate pad, a nitrocellulose membrane, and an absorbent pad. The latex pad is made of latex microspheres labeled with CKIgY monoclonal antibody and red polystyrene latex microspheres. The conjugate pad is made of latex microspheres labeled with IL-mouse monoclonal antibody and red polystyrene latex microspheres. A detection line and a control line are located in the center of the nitrocellulose membrane. The detection line contains a protein conjugate for binding with the IL-mouse monoclonal antibody, and the control line contains an IgG monoclonal antibody. An upper shell is located on the outside of the test strip, and a matching lower shell is provided. This invention provides a rapid human interleukin-4 test strip based on a double-antibody sandwich method. This test strip has high sensitivity, low risk of cross-reaction, simple operation, and low cost.

The utility model relates to the technical field of chemical storage tanks, in particular to a phosphorus trichloride split type storage tank which comprises a tank body, a drying box, an air inlet pipe and an air outlet pipe. A discharge pipe and a communication port are arranged on the tank body, the drying box is fixedly arranged on the tank body, one side of the drying box is communicated with the tank body through an air inlet pipe, the other side of the drying box is communicated with the tank body through an air outlet pipe, and a drying pore plate is arranged in the drying box; a ventilator is arranged on the air inlet pipe, a first one-way valve is arranged between the air inlet pipe and the tank body so that air can flow from the tank body to the air inlet pipe in a one-way mode, and a second one-way valve is arranged between the air outlet pipe and the tank body so that air can flow from the air outlet pipe to the tank body in a one-way mode. In order to solve the technical problem that an existing storage tank has defects, a gas circulation drying path is established through the gas inlet pipe, the ventilator, the drying box, the gas outlet pipe and the like, so that air in the tank body can be dried continuously, and a drying atmosphere is created; and the potential influence of additionally introduced air on the contents in the tank body in the phosphorus trichloride introduction process is reduced.

This invention relates to the field of organic synthesis and discloses a method for the visible-light photocatalytic synthesis of 3-fluoroindole oxides. This method utilizes a benzothiazole-substituted sulfone group as the leaving group, achieving efficient preparation of 3-fluoro-3-alkyl-N-methylindole oxides with a fluorine-containing quaternary carbon center under excited-state photocatalytic redox conditions. Compared with traditional methods for synthesizing 3-fluoroindole oxides, this invention has the following advantages: convenient substrate preparation; mild reaction conditions; and good functional group compatibility.

The invention relates to the technical field of negative electrode materials, in particular to a binary magnesium alloy negative electrode material and a preparation method and application thereof, the binary magnesium alloy negative electrode material comprises Mg and Dy, and the content of Dy is that the total content of inevitable impurity elements does not exceed the total content of the inevitable impurity elements, and the balance is Mg. The preparation method comprises the following steps: weighing raw materials according to the component proportion of the binary magnesium alloy negative electrode material, wherein the raw materials comprise pure Mg and Mg-Dy intermediate alloys; the weighed raw materials are smelted and poured, and cast ingots are obtained after air cooling solidification; and the cast ingot is sequentially subjected to solution treatment, extrusion treatment, rolling treatment and annealing treatment, and the binary magnesium alloy negative electrode material is obtained. While low cost and environmental friendliness are maintained, excellent cycling stability and low overpotential are achieved.

The application discloses a method for predicting and controlling formation rupture in a fracturing process, comprising the following steps: S1, arranging a three-component acoustic wave receiver array to continuously receive acoustic emission signals from a formation under a pile shoe; S2, enhancing the acoustic emission signals and converting the acoustic emission signals into digital signals through signal conversion; S3, predicting a rupture state and a rupture point position of a formation at the bottom of the pile shoe according to the digital signals; and S4, adopting a packer, a sealing insert pipe and other tools at the rupture point position to realize water injection in a part of a fracturing fracture and oil extraction in another part of the fracturing fracture. The method and system for predicting and controlling formation rupture in the fracturing process provided by the application can improve prediction accuracy, realize real-time monitoring and automatic adjustment, optimize resource utilization, reduce environmental and operation risks, improve work efficiency and cost benefits, enhance adaptability and sustainability, and bring about a significant technical progress.