57results about How to "Ease of implementation at scale" patented technology

The invention belongs to the technical field of energy materials, and specifically relates to a modified diaphragm for a lithium-sulfur battery, a preparation method of the modified diaphragm and the lithium-sulfur battery with the diaphragm; the diaphragm adopts a diaphragm body of a commercial battery as a skeleton, and a decorative coating is coated on one side of the diaphragm body; and the decorative coating consists of nanometer inorganic particles containing molybdenum element, a conductive agent and a binder. Through the diaphragm for the commercial battery and the nanometer inorganic particles containing molybdenum element as raw material and a proportional relation among the raw materials, the composite diaphragm for the lithium-sulfur battery is formed through a simple technology, the technology is simple and controllable, a complex and energy-consuming sulfur-filling process is not needed, the raw materials are wide in sources, the cost is low, and the technology is beneficial for large-scale implementation. The lithium-sulfur assembled in the invention is high in capacity and good in cycle performance, and the preparation technology is simple and controllable, economical and environmentally-friendly, and is applicable for large-scale production.

A method for managing dynamic address device includes setting fixed device identification for dynamic address device, obtaining changed address and device identification of dynamic address device with changed address by agent unit and informing NMS, confirming dynamic address device with changed address by NMS according to received information and updating current IP address of said dynamic address device. The agent unit used for realizing said method is also disclosed.

The invention relates to an automatic storing and fetching device for expresses. The automatic storing and fetching device comprises a synchronous belt module, a manipulator module, a conveyor belt and a storage rack. The automatic storing and fetching device is characterized in that the manipulator module is fixedly arranged on the synchronous belt module; the conveyor belt is adjacent to the synchronous belt module; the storage rack is located just in front of the synchronous belt module. The automatic storing and fetching device is used for fully automatically storing and fetching expresses and is capable of relieving the labor intensity of deliverymen and guaranteeing the safety of goods in the goods carrying process.

The invention discloses a composite diaphragm used for a lithium-sulfur battery, a preparation method and an application thereof. The composite diaphragm comprises the diaphragm and a barrier layer deposited on the diaphragm, wherein, the barrier layer is mainly composed of solid-state inorganic compounds having polysulfide absorption capability. The diaphragm employs a commercial battery diaphragm, the solid-state inorganic compound comprises the multielement compound containing a metallic element or containing no metallic element. The method comprises the following steps: providing the commercial battery diaphragm, at least depositing the solid-state inorganic compounds having the polysulfide absorption capability on the commercial battery diaphragm to form the barrier layer, and obtaining the composite diaphragm used for the lithium-sulfur battery. The composite diaphragm used for the lithium-sulfur battery can effectively solve the instability of the lithium-sulfur battery in a commercial application, performance of the lithium-sulfur battery can be greatly increased, the preparation method has the advantages of simple and controllable performances, economy, and environmental pollution, and is suitable for large-scale production.

The invention discloses a communication entity identification and authentication method based on a combined public key, and relates to the information security authentication technology between communication entities in the field of communication. The invention adopts the identification and authentication technology based on the combined public key to realize authentication of the communication entities; the invention adopts an AES algorithm to encipher and decipher information data, so as to realize information privacy; and the invention adopts the Ethernet encapsulation and IP encapsulation technology to realize transparent access of an authentication device. The communication entity identification and authentication method has the characteristics of standard interface / protocol, simple access, unnecessary change of the prior communication entities, convenient use and so on, and is particularly suitable for authenticating communication terminals and communication equipment under the condition that the communication entities are not changed.

The present invention discloses an automatic access method for a self-describing plug-and-play power distribution terminal. The method comprises a standard configuration process, an automatic login and security verification process and a power distribution terminal CID (Configured IED (Intelligent Electronic Device) Description) file acquisition process. For the standard configuration process, an IEC61850 configuration technology is applied, an CID file is instantiated, and a security certificate file is downloaded; for the automatic login and security verification process, the CID file is read and a login message is generated, and a login process is automatically initiated after power-on, and an automatic login to a power distribution master station is completed, wherein, the power distribution master station performs security verification on a power distribution terminal by checking a certificate, updating the certificate and checking a signature; and for the power distribution CID file acquisition process, a CRC32 checking code is compared, the CID file of the power distribution terminal is updated according to needs, so as to implement automatic access of the power distribution terminal. The present invention provides the automatic access method for the self-describing plug-and-play power distribution terminal, which enables the power distribution terminal to automatically and rapidly access a power distribution network, so that operation and maintenance costs are reduced.

The invention relates to a phosphorus-containing high-temperature-resistant drilling-fluid viscosity reducer and a preparation method thereof. The reducer is obtained by mixing a carboxyl monomer A, a sulfo-group-containing monomer B, a phosphorus-containing compound C and a cation monomer D according to the mass ratio of 10:5-10:0.5-2:1-3 and performing free radical polymerization. The average molecular mass of the viscosity reducer is 3000-20000. The obtained viscosity is capable of resisting the temperature up to 240 DEG C or more, is strong in salt and calcium pollution resistance, has good viscosity reducing effect under the conditions of high temperature and salt and calcium pollution compared with conventional drilling-fluid viscosity reducers, is capable of effectively improving the rheological property of a drilling fluid, is relatively low in cost, and is beneficial for large-scale application.

The invention discloses a slope support structure and a support method. The left side of a bottom plate is fixedly connected with a sleeve. The sleeve penetrates through the bottom plate. A drill rodis sleeved in the sleeve. Limiting convex strips are symmetrically arranged on the two sides of the drill rod. Grooves are symmetrically arranged on the two sides of the inner ring of the sleeve. Thelimiting convex strips are embedded in the grooves of the inner ring of the sleeve. The lower portion of the drill rod is pointed. The upper end of the drill rod is fixedly connected with a top disc.A limiting hole is formed in the upper surface of the right side of the top disc. A rotating shaft is arranged on the right side of the sleeve. The lower end of the rotating shaft is in bearing rotaryconnection with the upper surface of the bottom plate, and the upper end of the rotary shaft is fixedly connected with a press plate. The press plate is eccentrically arranged at the upper end of therotating shaft. A through hole is formed in the middle of the press plate, and a pin shaft is connected in the through hole in an inserted manner. By means of the support structure, a triangle has stability, a lead screw is driven to rotate by rotating an adjusting wheel, the lead screw drives a threaded barrel to move, then a telescopic plate is driven to stretch out and draw back along a fixedplate to adjust the inclination angle while moving, and slopes of different angles can be supported.

The invention discloses a binder, and a preparation method and application thereof. In an embodiment, the preparation method comprises the steps of, in a protective atmosphere, fully reacting polyacid with an ethyleneamine monomer, dissolving a reaction product into an organic solvent, carrying out full washing through a mixture of water and methanol and then removing an organic solvent to obtain an oligomer; and in the protective atmosphere, reacting the oligomer with carbomite to obtain the binder. The preparation technology is simple and low in cost and large-scale implementation is facilitated; and the obtained binder is a bright yellow translucent polymer, has the characteristics of glass and rubber, and not only has excellent ductility, but also has self-repairing property. The binder is excellent adaptation with a current collector or an electrode material when used for an electrode, and the structure stability of an electrode slice can be effectively improved, so that the overall electrochemical properties of a battery are greatly improved.

The invention discloses a carbon-nanosheet-loaded noble metal nanoparticle catalyst and a preparation method and application thereof. According to the method, an inorganic salt is taken as a template, a commercial carbon source is provided, noble metal at least having multi-catalytic prospects is at least deposited on the commercial carbon precursor to form a composite, then the carbon-nanosheet-loaded noble metal nanoparticle catalyst is obtained by a chemical or physical method; the method is characterized by comprising the following steps: (1) dissolving or dispersing a commercial noble metal precursor in a solvent to form a noble metal precursor solution or suspension; (2) mixing the commercial carbon precursor with the noble metal precursor solution or suspension evenly, then mixing with the inorganic salt template, drying and then calcining in an inert atmosphere to obtain the carbon-nanosheet-loaded noble metal nanoparticle catalyst. According to the catalyst, the problem of instability of noble metal nanoparticles in commercial application can be solved, the catalytic performance is improved significantly, the preparation process is controllable, environmental friendliness is realized, and the catalyst is suitable for mass production.

The invention discloses a method for restoring soil polluted by heavy metal through porous medium particles. The method includes the steps that the porous medium particles are used as a soil restoration agent, the soil restoration agent is added at the position which is a certain depth below the soil surface layer, and a soil restoration agent layer is formed and used for absorbing heavy metal elements carried by moisture coming from soil on the upper layer. As the restoration agent is placed in a concentrated and layered shape, compared with a disperse placement manner, a path for conveying the heavy metal elements to the deep portion of soil is completely isolated, the soil restoration agent can be conveniently taken out from the soil in a concentrated manner subsequently, and the treatment difficulty of porous medium raw materials which absorb heavy metal is reduced. Compared with the prior art, the method has the beneficial effects that the heavy metal elements can be rapidly, efficiently, conveniently and rapidly removed from the soil, and the method is economical and practical.

The invention relates to a far-end intelligent energy-saving control system and method for a central air-conditioner. A control interface output end of a terminal controller is in series connection to control fan power and an electromagnetic valve of cold / hot circulating water, and a central control computer sends signal to the terminal controller via a communication control module between layers. The terminal controller directly controls the fan power and the electromagnetic valve of cold / hot circulating water according to optimal control parameters sent by the central control computer. The system is mounted outside of the control system of the central air-conditioner, the terminal controller can be controlled to open and close the fan power and the electromagnetic valve of the cold / hot circulating water in an air outlet directly. In the system, modifying of the controller of a central air conditioning unit is avoided and the operation of the far-end fan power and the electromagnetic valve of the cold / hot circulating water directly is adjusted directly as the central air conditioning unit adjusts the operation of the unit according to the actual temperature or the flow of the return water automatically. The system is superimposed to the prior central air-conditioner other than changing the original set of the central air-conditioner.

The invention discloses a restoring method for soil polluted by acephate pesticide. The restoring method comprises the steps that alkaline substances and / or substances capable of generating hydroxy radicals through a reaction with water and / or are added into the soil polluted by the acephate pesticide, and / or the soil polluted by the acephate pesticide is treated by an electrochemical method, so that enough hydroxy radicals are added into the soil and are subjected to degradation reaction with the acephate in the soil, further the acephate is removed, and the restoring of the soil is realized. According to the restoring method, the molecular structure of the acephate can be destroyed effectively, so that the acephate in the soil is removed thoroughly, and the polluted soil can be restored completely, the method is simple and easy to implement, the cost is low, and the large-scale implantation is facilitated.

The invention discloses an air cavity type film bulk acoustic resonator and a manufacturing method thereof. The air cavity type film bulk acoustic resonator comprises a substrate, a SiC support layer,a graphene bottom electrode, a piezoelectric layer and a top electrode, wherein the substrate comprises a first surface and a second surface which are back to each other, the SiC support layer is arranged on the first surface of the substrate, the graphene bottom electrode directly grows on the SiC support layer, at least a local area of the piezoelectric layer covers the graphene bottom electrode, the top electrode is arranged on the piezoelectric layer, and an air cavity is formed on the second surface of the substrate. Compared with the prior art, structure of the air cavity type film bulkacoustic resonator is optimized by the method provided by the invention, thus, stability and reliability of devices can be guaranteed while performance of the devices are improved significantly, andthe manufacturing method of the air cavity type film bulk acoustic resonator is simple and easy to implement in large scale.

The invention relates to a rat hole blaster which comprises a fuel tank, a gas injection pipeline and a blasting controller, wherein the blasting controller is arranged on a pipeline for communicating the fuel tank with the gas injection pipeline; the fuel tank is composed of a propane high-pressure gas tank and an oxygen high-pressure gas tank; an extension tube is arranged at the front end of the gas injection pipeline, and an ignition head is arranged on the extension tube; the rear end of the gas injection pipeline is respectively connected with a sleeve of an oxygen branch and a reset type non-return valve of a propane branch, and is connected with the fuel tank by virtue of an oxygen gas conveying pipeline and a propane gas conveying pipeline inside the blasting controller; a spark plug and the non-return valve are arranged inside the gas injection pipeline; mixture gas after being mixed in the fuel tank is injected into a rat hole channel by virtue of the gas injection pipeline and the extension tube; under the control of the blasting controller, the ignition head is used for igniting to ignite the mixture gas inside the rat hole, so that the blasting is completed. The rat hole blaster disclosed by the invention is non-hazardous, does not destroy the ecological environment, and is compact in structure, safe and reliable, and wide in scope of application.

The invention provides a preparation method of 2, 5-tetrahydrofurandimethanol, which at least comprises the following steps: contacting a raw material containing 2, 5-furandimethanol with a catalyst,and reacting in a hydrogen-containing atmosphere to obtain 2, 5-tetrahydrofurandimethanol; wherein the catalyst comprises a carrier and an active component, the active component is loaded on the carrier; wherein the active component comprises active metal elements; wherein the active metal elements comprise at least one of palladium, platinum, ruthenium, nickel and rhodium; and the carrier comprising carbon material. The method for preparing the 2, 5-tetrahydrofuran dimethanol is high in activity and high in selectivity, and the reaction raw material 2,5-tetrahydrofuran dimethanol can also beprepared from 5-hydroxymethylfurfural which is a renewable source.

The invention discloses a cement-based composite material containing sulfonated graphene (salt), and a preparation method thereof, wherein the cement-based composite material containing sulfonated graphene (salt) comprises a cement-based component and sulfonated graphene (salt) uniformly dispersed in the cement-based component, and the sulfonated graphene (salt) is selected from water-dispersiblegraphene covalently modified with a sulfonic acid group (salt). According to the present invention, the sulfonated graphene (salt) and the cement-based material are compounded to form the cement-basedcomposite material so as to improve various properties of the cement-based material, wherein the consumption of the water reducing agent can be reduced, the crack resistance and the compressive strength of the cement-based material can be significantly improved, the erosion damage on the cement-based material due to the invasion of various harmful mediums such as chlorine ions, carbon dioxide andsulfate ions can be effectively prevented so as to significantly increase the durability of the cement-based material, and other effects can be achieved; and the preparation process of the cement-based composite material is simple, and is suitable for large-scale implementation.

The invention discloses a presplitting blasting system used for foundation pit excavation. The system comprises a row of blast holes formed in blasting rock, charging devices are arranged in the blastholes, electronic detonators in the charging devices are connected with an outer exploder through wires, before the main blasting area where the blasting center is located is blasted, the exploder detonates the electronic detonators in a time-difference-free manner, the charging devices are detonated, the rock is pulled cut on the excavation face, and the in-order contour line penetrating the gapis formed; each charging device comprises a sealed cylinder, a supporting rod, a bottom base layer, the corresponding electronic detonator and multiple explosives in series connection through a detonating cord, wherein the supporting rod, the bottom base layer, the corresponding electronic detonator and the multiple explosives are arranged in the cylinder, hole plugs are arranged on the top endsof the cylinders, and the cylinders are filled with water media. The system solves the problems that in traditional presplitting blasting, the mounting random of explosives is large, and the blastingprecision is not high, and the integrality of the presplitting blasting contour line is ensured.

The invention discloses a pre-crack blasting hole charging device for foundation pit excavation, which includes a sealed cylinder as well as a supporting rod, a bottom bedding, an electronic detonatorand a plurality of explosive packages connected in series by a detonating cord which are arranged in the sealed cylinder. The bottom bedding is arranged at the bottom of the cylinder. The supportingrod is embedded in the inner part of the bottom bedding and is fixed at the central position of the cylinder. The explosive packages are fixed on the supporting rod. The electronic detonator is fixedwith one of the explosive packages and is connected with an external initiator through a firing line; the top end of the cylinder is provided with a hole plug. The cylinder is filled with water medium; the device overcomes the problems of large installation randomness and low blasting precision of the pre-crack explosive in the prior art, and ensures the completeness of the pre-crack blasting contour line.

The invention relates to a method for improving soil by utilizing biomass carbocoal, in particular to a method for improving soil with pesticide residues, desertification soil and salinization soil by utilizing biomass carbocoal. The method comprises the following steps of: applying the required biomass carbocoal, which serves as a soil modifier, of agriculture and forestry according the degrees of the pesticide residues, desertification and salinization of the soil to be improved, and ploughing the soil, so that the carbocoal and the soil are mixed fully; and after applying the biomass carbocoal, irrigating the soil, and performing agricultural production and field management in the same way as theses performed on normal lands. Compared with the prior art, the method has the advantages that: the structure of the soil can be improved, the water storage capacity and ion exchange capacity of the soil can be improved effectively, the residual quantity of pesticides can be reduced, and the organic matter content of the soil can be increased; and thus, the problems of the pesticide residues, desertification and salinization of the soil are solved, the yield and quality of planting crops are increased, and the method has high economic and environmental benefits.

The invention provides a method for treating farmland non-point source polluted water by using a local deep ecological ditch. The method comprises the following steps: (1) constructing the local deepecological ditch in an ecological ditch, and arranging a shallow water section and a deep water section, wherein the shallow water section is provided with a mud-blocking and water-blocking short embankment, and a plurality of water treatment units are arranged in the middle of the deep water section; (2) planting small aquatic plants with developed root systems in a lower water-passing blocking planting groove, planting medium-sized aquatic plants with developed root systems in an upper water-passing blocking planting groove, and planting high emergent aquatic plants between the lower water-passing blocking planting groove and the upper water-passing blocking planting groove; and (3) forming a continuous zigzag water flow path when the farmland non-point source polluted water flows through the local deep ecological ditch, thereby realizing the removal of nitrogen and phosphorus, namely completing the treatment of the farmland non-point source polluted water. According to the method, the lowest water level of the shallow water section of the local deep ecological ditch can be kept, so growth of aquatic plants is facilitated, and the capacity of removing and purifying non-point source pollutants, i.e., nitrogen and phosphorus, can be enhanced.

The invention relates to a water-based coating for preventing casting veins and a preparation method thereof. The water-based coating for preventing the casting veins comprises, by mass, 6%-8% of magnesium aluminum silicate, 40%-46% of water, 5%-8% of iron oxide red, 10%-12% of nano-alumina sol, 20-25% of mica powder and 10%-15% of aluminum silicate fiber. The preparation method comprises the following steps that one half of the total amount of water is taken and mixed with the magnesium aluminum silicate into a dispersing kettle to be dispersed, and pre-treated magnesium silicate is obtainedafter aged; the nano-alumina sol and the pretreated magnesium aluminum silicate are ground to obtain nano-powder slurry; and the nano-powder slurry is mixed with iron-red powder, mica powder, aluminumsilicate fibers and other half of water into the dispersing kettle to be dispersed. The preparation method is simple and reasonable in process, and safe and environment-friendly; the prepared coatingis simple and reasonable in components, and low in production cost; and an external coating mode is adopted during use, so that the operation is simple and reliable, and the time and the labor are saved.

The invention discloses a method for managing dynamic address equipment, which includes an agent device connected to a network management system NMS in the network. The method includes: setting a fixed equipment identification for the dynamic address equipment; the agent device acquires the dynamic address where the address changes The device ID and the changed address of the device, and notify the NMS; the NMS uses the received notification to determine the dynamic address device whose address has changed, and updates the current IP address of the dynamic address device. The invention also discloses an agent device for managing dynamic address equipment. By applying the present invention, the management of dynamic address equipment can be realized conveniently, and the continuity of management information can be guaranteed.

The invention relates to a phosphorus-containing high-temperature-resistant drilling-fluid viscosity reducer and a preparation method thereof. The reducer is obtained by mixing a carboxyl monomer A, a sulfo-group-containing monomer B, a phosphorus-containing compound C and a cation monomer D according to the mass ratio of 10:5-10:0.5-2:1-3 and performing free radical polymerization. The average molecular mass of the viscosity reducer is 3000-20000. The obtained viscosity is capable of resisting the temperature up to 240 DEG C or more, is strong in salt and calcium pollution resistance, has good viscosity reducing effect under the conditions of high temperature and salt and calcium pollution compared with conventional drilling-fluid viscosity reducers, is capable of effectively improving the rheological property of a drilling fluid, is relatively low in cost, and is beneficial for large-scale application.

The invention provides a groove preparation method of a GaN-based material. The preparation method comprises the following steps of coating the surface of a gallium nitride-based material with the specific structure with photoresist and carrying out photoetching on a non-groove region; etching the non-groove region and removing the photoresist; and putting the gallium nitride-based material in a corrosive solution for corrosion, wherein the structure of the gallium nitride-based material comprises an epitaxial substrate, a GaN buffer layer, a sacrificial layer, a barrier layer and a GaN cap layer from the bottom up in sequence. According to the gallium nitride-based groove structure prepared in the invention, the groove area is based on a full-wet-process corrosion process, and meanwhile,due to the high selection ratio of the corrosion solution to the sacrificial layer, the corrosion depth is uniform, the surface is free of damage, and the performance of the device is improved; and meanwhile, the method is simple, has very high operability and repeatability, and is beneficial to large-scale implementation.

The invention discloses a method for restoring soil polluted by heavy metal through porous medium particles. The method includes the steps that the porous medium particles are used as a soil restoration agent, the soil restoration agent is added at the position which is a certain depth below the soil surface layer, and a soil restoration agent layer is formed and used for absorbing heavy metal elements carried by moisture coming from soil on the upper layer. As the restoration agent is placed in a concentrated and layered shape, compared with a disperse placement manner, a path for conveying the heavy metal elements to the deep portion of soil is completely isolated, the soil restoration agent can be conveniently taken out from the soil in a concentrated manner subsequently, and the treatment difficulty of porous medium raw materials which absorb heavy metal is reduced. Compared with the prior art, the method has the beneficial effects that the heavy metal elements can be rapidly, efficiently, conveniently and rapidly removed from the soil, and the method is economical and practical.

The invention provides a low-power magnetoresistive sensor based on LTCC technology and a preparation method thereof, belonging to the technical field of magnetic materials and components. It includes a substrate, a bottom coil sequentially located on the substrate, a first green ceramic tape layer, a top layer coil, a second green ceramic tape layer, and a four-terminal Wheatstone bridge type anisotropic magnetoresistive sensing unit layer; The bottom coil and the top coil are connected through metal through holes, and the direction of current flow in the bottom coil and the top coil is consistent, which can enhance the magnetic field. The magnetoresistive sensor of the present invention adopts the set / reset coil layer with an optimized structure and is prepared by LTCC technology, so that it can provide a magnetic field that meets the application requirements without adding any magnetic auxiliary layer, and at the same time reduce the set / reset operation. low energy consumption, and the process is simple and easy to implement.

Embodiments of the present disclosure are directed to a circuit board. The circuit board comprises: an aluminum-based substrate; an alumina layer formed on at least one surface of the aluminum-based substrate; and a circuit layer formed on the alumina layer. The alumina layer comprises alumina and an element selected from a group consisting of chromium, nickel, a rare earth metal, and a combination thereof.

The invention discloses a presplitting blasting system used for foundation pit excavation. The system comprises a row of blast holes formed in blasting rock, charging devices are arranged in the blastholes, electronic detonators in the charging devices are connected with an outer exploder through wires, before the main blasting area where the blasting center is located is blasted, the exploder detonates the electronic detonators in a time-difference-free manner, the charging devices are detonated, the rock is pulled cut on the excavation face, and the in-order contour line penetrating the gapis formed; each charging device comprises a sealed cylinder, a supporting rod, a bottom base layer, the corresponding electronic detonator and multiple explosives in series connection through a detonating cord, wherein the supporting rod, the bottom base layer, the corresponding electronic detonator and the multiple explosives are arranged in the cylinder, hole plugs are arranged on the top endsof the cylinders, and the cylinders are filled with water media. The system solves the problems that in traditional presplitting blasting, the mounting random of explosives is large, and the blastingprecision is not high, and the integrality of the presplitting blasting contour line is ensured.

The invention discloses a halogen-free flame retardant. The halogen-free flame retardant includes vermiculite and graphene, wherein the graphene is intercalated between layers of the vermiculite. When the halogen-free flame retardant is applied to a cable tray containing PVC, the cable tray has good smoke suppression properties, good flame retardancy, antistatic properties, and good mechanical properties. The invention also discloses the preparation method and application of the halogen-free flame retardant.