31results about How to "Achieve activation" patented technology

The invention relates to the technical field of environmental remediation, and discloses a biochemical synergistic remediation method for heavy metal contaminated soil, which comprises the following steps: S1, sampling the heavy metal contaminated soil, and analyzing the type, concentration and occurrence form of heavy metals of the heavy metal contaminated soil; s2, extracting active ingredients of polyphenols, organic acids or alkaloids from the plant materials; s3, applying a plant source activating agent to regulate the chemical form of the heavy metal in the soil and promote the activation of the heavy metal; s4, inoculating a functional microbial agent to enhance the heavy metal immobilization, transformation and phytoremediation capabilities; s5, planting hyperaccumulators, and cooperatively using the plant extract, the plant source activator and the microbial agent; s6, plant residue treatment and soil improvement. Through the synergistic effect of the plant extract, the plant source activator, the microbial agent and the hyperaccumulator, the plant source activator, the microbial agent and the hyperaccumulator can jointly act on the heavy metal contaminated soil from multiple ways, and chelating, activating, degrading and fixing of heavy metal are rapidly achieved.

The composition general formula of the vanadium-based hydrogen storage alloy is VxTiyCrzCCe, x is larger than or equal to 0.7 and smaller than or equal to 0.8, y is larger than or equal to 0.04 and smaller than or equal to 0.1, z is larger than or equal to 0.1 and smaller than or equal to 0.18, x + y + z = 1, and a is larger than or equal to 0.001 and smaller than or equal to 0.005. The prepared vanadium-based hydrogen storage alloy has the advantages that the preparation process is simple, the hydrogen storage alloy which is easy to activate, high in capacity and good in cycling stability can be obtained by adding trace Ce, and the vanadium-based hydrogen storage alloy is suitable for large-scale generation preparation and commercial application. The alloy is prevented from being locally oxidized in the smelting process due to a small amount of Ce element, and the problem that the hydrogen absorption capacity is reduced due to excessive rare earth elements is avoided, so that the activation performance of the alloy is improved, and meanwhile, the high hydrogen storage capacity is obtained.

The invention relates to the field of building materials, and particularly discloses a coal gangue activation treatment method, prepared calcined coal gangue and application, the treatment method comprises the following steps: pretreatment: crushing and screening coal gangue to obtain coal gangue particles; the coal gangue particles are treated in a eutectic solvent, ultrasonic-assisted treatment is carried out for 2-3 h, pretreated coal gangue is obtained after water washing, the eutectic solvent comprises an HBA component and an HBD component, the HBA component is a mixture of choline chloride and an amide compound, and the HBD component is a mixture of a carboxylic acid mixture and polyhydric alcohol; calcining: calcining the pretreated coal gangue at 400-450 DEG C to obtain calcined coal gangue, the invention also discloses the calcined coal gangue prepared by the method, and the method has the characteristic of realizing coal gangue activation treatment under lower energy consumption.

The invention relates to a vacuum microcavity interferometer chip, a manufacturing method and a wide-range optical pressure sensor. Comprising a first substrate and a second substrate, the second substrate and the first substrate are bonded into a whole, a pressure sensitive film is manufactured on the first substrate, a first reflecting surface is deposited on the pressure sensitive film, and a second reflecting surface corresponding to the first reflecting surface is deposited on the second substrate. After the two substrates are bonded, the first reflecting surface and the second reflecting surface form an F-P optical interference cavity, at least one getter cavity is arranged on the first substrate and / or the second substrate, a getter film is arranged on the surface of the getter cavity, and the getter cavity and the F-P optical interference cavity are separated and connected through an air channel, so that the size of the air channel can be made to be very small, and the size of the getter cavity is smaller than that of the F-P optical interference cavity. A small amount of particles generated after the getter is activated are prevented from polluting an optical film to cause device failure; the whole sensor is of a sealed structure and is not provided with a structure externally connected with the chip, so that the overall airtightness of the chip is ensured, and the vacuum degree requirement of subsequent shell packaging is reduced.

The invention relates to an easily-activated Ti-Fe-Y-Mn-Zr-Co-Zn-based hydrogen storage alloy and a preparation method thereof, belongs to the technical field of hydrogen storage alloy materials, and solves at least one of the problems of high activation difficulty, long activation period, poor hydrogen absorption and desorption dynamic performance and the like of a Ti-Fe-based hydrogen storage alloy in the prior art. The invention provides a Ti-Fe-Y-Mn-Zr-Co-Zn based hydrogen storage alloy easy to activate, the chemical formula of the hydrogen storage alloy is Ti 1.15, Fe 0.8, Y 0.03, Mn 0.35-x-y-z ZrxCoyZnz, x, y and z are atomic ratios, x is larger than or equal to 0.05 and smaller than or equal to 0.15, y is larger than or equal to 0.02 and smaller than or equal to 0.1, and z is larger than or equal to 0.02 and smaller than or equal to 0.1. The Ti-Fe-Y-Mn-Zr-Co-Zn based hydrogen storage alloy provided by the invention obtains good activation performance and hydrogen absorption and desorption performance by means of component design and preparation process improvement, can be activated at one time under the conditions of 30 DEG C and 3 MPa, and has the hydrogen storage capacity of more than or equal to 1.69 wt.%, the hydrogen absorption platform pressure of more than or equal to 0.39 MPa and the hydrogen desorption platform pressure of more than or equal to 0.3 MPa.

According to the ceramic particle surface treatment method and the metal-based ceramic composite material provided by the invention, the active substance powder is treated into uniform nano-scale powder, and the strong adsorption function of the nano-powder is utilized, so that the combination of the active substance powder and the ceramic particles in the cold spraying process is firmer, and the combination capacity of molten metal and the ceramic particles is improved. Besides, nano-scale active substance powder is uniformly deposited on the surfaces of ceramic particles by adopting a cold spraying technology, so that the wettability of ceramic and metal is improved, the bonding strength of the nano-scale active substance powder and the ceramic particles is high, infiltration of molten metal and the ceramic particles in the compounding process is facilitated, and the working temperature is lower; in addition, the binder is atomized on the surfaces of the ceramic particles in an atomization mode to manufacture the honeycomb-shaped ceramic prefabricated body, the binder is atomized more uniformly, the strength of the manufactured ceramic prefabricated body is higher, and the overall strength of the prepared metal-based ceramic composite material is improved.

The invention relates to the field of biological medicine, in particular to a recombinant herpes zoster vaccine composition and a preparation method thereof. The recombinant herpes zoster vaccine composition comprises gE protein and an adjuvant, the adjuvant is a squalene oil-in-water adjuvant, and the squalene oil-in-water adjuvant comprises the following components by concentration: 4-5wt% of squalene, 1-5wt% of gE protein, 1-5wt% of gE protein, 1-5wt% of gE protein, 1-5wt% of gE protein, and the balance of water. 0.2 to 0.8 wt% of Tween 80; and 0.2 to 0.8 wt% of Span 85. The vaccine composition disclosed by the invention can specifically enhance cellular immune response aiming at the varicella-zoster virus, can remarkably improve expression of cytokines such as INF-gamma and IL-2 of CD4 + T cells of mice, improves the immune response level of body fluid and cells at the same time, shows high immunocompetence for preventing clinical varicella-zoster virus infection, and has good clinical application prospects. And the components in the vaccine composition are cheap and easy to obtain, so that the vaccine yield is effectively improved, and the vaccine cost is reduced.

The invention discloses an analog circuit fault signal processing method based on empirical wavelet transform decomposition, and belongs to the field of analog circuit fault signal processing. An existing analog circuit signal has the problems of nonlinearity and serious fault feature confusion. An analog circuit fault signal processing method based on empirical wavelet transform decomposition comprises the following steps: carrying out adaptive wavelet transform decomposition on a circuit fault signal, calculating an initial demarcation point obtained by a scale space method to obtain a mutual information value of a component, and redividing a frequency spectrum to obtain a new decomposition signal component; performing feature information extraction on the signal reconstructed by selecting the optimal component by using the kurtosis index; and the characteristic parameters are classified by using K-means clustering analysis, so that the diagnosis of the soft fault of the analog circuit is realized. The method reduces the calculation complexity of the whole algorithm, improves the efficiency of the algorithm, and improves the recognition accuracy.

The application discloses an assembled road construction noise-reducing and carbon-reducing isolation device, and particularly relates to the technical field of road construction. The isolation device comprises a plurality of parallel and opposite unit components. The unit component at least comprises an isolation wall body, a first tooth-shaped frame, a second tooth-shaped frame and an arc-shaped top. The isolation wall body, the first tooth-shaped frame and the second tooth-shaped frame are vertically arranged. The first tooth-shaped frame and the second tooth-shaped frame are respectively arranged on the two sides of the isolation wall body. The arc-shaped top horizontally spans the opposite isolation wall body, the first tooth-shaped frame and the second tooth-shaped frame. The arc-shaped top is a hollow structure. The adjacent unit components are connected through a connecting structure to form a closed space. A treatment structure is arranged on the inner top of the isolation device. The application adopts a closed structure design to effectively isolate the construction noise and the construction dust. The application is suitable for road construction of different areas and has strong practicability.

The invention provides a service activation method, electronic equipment and a storage medium. The method comprises the following steps: sending a service activation request to a target satellite; receiving a feedback message sent by the target satellite for the service activation request; user identification card parameters are analyzed from the feedback message; and activating the corresponding satellite communication service according to the user identification card parameters obtained through analysis. The method can be used for activating satellite communication services.

The invention provides a liquefied petroleum gas cylinder tracking integrated system and method, relates to the technical field of gas cylinder management, and aims to solve the problems that in the existing gas cylinder tracking technology, only a single link of gas cylinder tracking is considered, the gas cylinder tracking process is incomplete, a bar code, a two-dimensional code and the like are easy to pollute and damage at the same time, so that information reading fails, and the gas cylinder tracking efficiency is low. And gas cylinder tracking cannot be realized. The system comprises an NFC label used for writing liquefied petroleum gas cylinder specification archive data, a cloud server used for storing the gas cylinder archive data and gas cylinder operation log data, and an NFC reading terminal used for identifying the gas cylinder data in the NFC label, binding operation information of an operator in the tracking process with the gas cylinder data in the NFC label and uploading the information to the cloud server. Through cooperation of the NFC label, the NFC reading terminal, the cloud server and the traceability platform, tracking of the whole process of activation, filling, distribution and the like of the gas cylinder is achieved, and the problem that information reading fails due to pollution and damage of bar codes and the like is solved.

The application relates to the technical field of wastewater treatment, and particularly discloses a fracturing flowback fluid treatment process. Sodium hypochlorite is used as an oxidant, and a synergistic catalyst containing nickel oxide and iron oxide is selected to synergize the oxidant, compared with potassium permanganate gel breaker, the sodium hypochlorite not only has better gel breaking effect, but also avoids the introduction of manganese ions, and can fully exert the advantage that the sodium hypochlorite has little influence on chroma. After gel breaking treatment, the viscosity of the fracturing flowback fluid is obviously reduced, which is beneficial to the uniform dispersion of various additives, and therefore the treatment effect on the fracturing flowback fluid is improved.

The invention provides an electro-Fenton filter reaction device and application. The electro-Fenton filter reaction device comprises a constant-current power supply and a filter reaction device, the filter tank reaction device comprises a filter tank reaction shell; the filter reaction shell is divided into an electrode chamber and a reaction chamber by an insulating layer; an electrode is arranged in the electrode chamber; an iron oxide modified activated carbon layer and a conductive material penetrating through the iron oxide modified activated carbon layer are arranged in the reaction chamber. According to the electro-Fenton filter reaction device disclosed by the invention, pollutant adsorption, synchronous in-situ degradation and catalytic site regeneration are combined, so that the pollutant degradation rate is increased, and the electro-Fenton filter reaction device can stably operate for a long time.

The present invention proposes a method for preparing fluorenyl diol by catalysis of sulfonic acid type ionic liquid, which belongs to the technical field of catalysis and organic synthesis, and is used to solve the technical problems of strong corrosion, large pollution and low selectivity of the traditional sulfuric acid method. The method comprises: after mixing the fluorenone derivative with the aromatic compound, adding the co-catalyst thiol compound. After reacting at a certain temperature until the substrate is dissolved, adding the sulfonic acid type ionic liquid catalyst, continuing the reaction for a certain time, and obtaining the fluorenyl diol, the conversion rate of the fluorenone derivative can reach up to 100%, the yield of the fluorenyl diol can reach up to 99%, and the selectivity can reach up to 99%. The method of the present invention avoids the use of traditional strong acid catalysts, and the catalyst sulfonic acid type ionic liquid used is characterized by high catalytic activity, recyclability, non-volatile, and green environmental protection.

The invention relates to the field of medicinal chemistry, in particular to a small-molecule coupling medicine as well as a preparation method and application thereof. The structural formula of the micromolecular coupling drug is shown as a formula 1: # imgabs0, wherein A in the formula 1 is a cytotoxic drug. According to the small-molecule coupled drug provided by the invention, two parts of structures are connected to a cytotoxic drug, one part is a tetrafluoro azidophenyl connexon which can be activated by X-rays to release the cytotoxic drug, and the other part is a small-molecule inhibitor aprepitant with targeting NK1R, so that drug targeting can be better realized; meanwhile, medicine activation can be realized in a time-space controllable manner, the compound can be well applied to tumor treatment, and the compound shows higher cytotoxicity to tumor cells after being irradiated by X rays.

The embodiment of the invention provides a software activation method and system, electronic equipment, a storage medium and a program product, and the method comprises the steps: obtaining software identification information of to-be-activated software and first equipment information of to-be-activated equipment, and the to-be-activated equipment is computing equipment used for installing the to-be-activated software; the software identification information and the first equipment information are sent to an activation server, the software identification information is used for enabling the activation server to verify the to-be-activated software, and the first equipment information is used for enabling the activation server to generate an activation code of the to-be-activated software; and receiving and displaying an activation code returned by the activation server, wherein the activation code is used for enabling the to-be-activated equipment to activate the to-be-activated software. According to the embodiment of the invention, under the condition that the to-be-activated equipment cannot be networked, the activation code for activating the to-be-activated software can be acquired from the activation server, so that the activation of the to-be-activated software is completed.

The present invention provides a silicon carbide diode and a preparation method thereof, comprising a silicon carbide substrate, a multi-layer epitaxial layer, a plurality of P-type voltage divider rings, a plurality of P-type diffusion regions, a Schottky barrier layer, an ohmic contact layer, a back metal electrode, a front metal electrode, a silicon dioxide film and a polyimide layer; the back metal electrode and the silicon carbide substrate are both arranged on the ohmic contact layer; the multi-layer epitaxial layer is arranged on the silicon carbide substrate; both ends of the multi-layer epitaxial layer are arranged with a silicon dioxide film; the polyimide layer is arranged on the silicon dioxide film; both ends of the front metal electrode are arranged on the silicon dioxide film; the Schottky barrier layer is arranged on the multi-layer epitaxial layer. The present invention generates a laser beam of specific energy through a laser device, which is directed toward the doped region to achieve selective regional activation, independent activation depth control, and meet the lattice repair and ion activation conditions in the implanted region.

The invention provides an ETC equipment activation method and device, equipment, a medium, a product and a vehicle. The method comprises the steps that an activation request sent by a vehicle-mounted controller is received, and the activation request is sent to the vehicle-mounted controller by an ETC module and used for requesting to activate the ETC module; in response to the activation request, establishing a Bluetooth connection channel with a terminal activation program; a target signal is generated and fed back to the vehicle-mounted controller, so that the vehicle-mounted controller sends the target signal to the ETC module, the ETC module responds to the target signal, starts a data transmission mode and receives activation data transmitted by a terminal activation program in the data transmission mode, and the activation data is used for activating the ETC module. The technical problem that the ETC equipment cannot be normally activated under the condition that no Bluetooth module is provided in the prior art is solved.

This application relates to the field of atomization technology, providing an aerosol generating device and an electronic atomizer, including an atomizing component, a housing, a nozzle assembly, and a cap structure. The atomizing component has a liquid inlet. The housing is fitted over the atomizing component and has a liquid storage chamber and a first limiting part. The nozzle assembly is fitted between the atomizing component and the housing. The nozzle assembly is movable along a first direction to switch from an initial state to an active state. In the initial state, the nozzle assembly isolates the liquid inlet and the liquid storage chamber; in the active state, the nozzle assembly connects the liquid inlet and the liquid storage chamber. The first limiting part limits the travel of the nozzle assembly along the first direction. The cap structure covers the nozzle assembly. Under external force, the cap structure drives the nozzle assembly to move along the first direction and also detaches from the nozzle assembly along the first direction when the nozzle assembly is in the active state. Thus, the aerosol generating device can be used simply by applying external force to the cap structure, improving ease of use.

The invention discloses a composite material as well as a preparation method and application thereof. The composite material comprises a core, a shell layer and a satellite body, the material of the core comprises an organic matter slow-release material; the material of the shell layer comprises a porous mineral material loaded with an electron shuttle, and the shell layer coats the core; the material of the satellite body comprises a Fe3O4 and iron reducing bacteria compound; and the satellite body is adsorbed on the surface of the shell layer. The composite material provided by the invention realizes integration of positioning, activation and slow release, can be actively anchored on the surface of a soil mineral needing to be activated, can accurately activate the soil mineral in situ and maintain the continuity of an iron reduction process, and releases fixed nutritional ingredients in soil.

The invention relates to the field of high polymer materials, in particular to high-surface-activity PE with bonding stability of polyurethane and paint and a preparation method of the high-surface-activity PE. According to the high-surface-activity PE with bonding stability of polyurethane and paint, provided by the invention, the group donor A, the group donor B and the alkylene polymer are added, and an active group is introduced into a polyethylene chain segment, so that the high-surface-activity PE has high surface activity and can form a covalent bond with an isocyanate group in polyurethane and / or an epoxy group in the paint at normal temperature; according to the high-surface-activity PE, the technical problem that bonding of a non-polar polyethylene material, a polar polyurethane foaming layer and paint is unstable is solved, in addition, the invention further provides a preparation method of the high-surface-activity PE with the bonding stability of polyurethane and paint, the technological process is optimized, the product yield and the finished product rate are high, the application range is wide, and the high practical value is achieved.

The application belongs to the technical field of microorganisms, and discloses a salt and alkali tolerant squirrel mammalian coccus and application thereof. Mammaliicoccus sciuri ​ STM10, which is a gram-positive coccus, has been preserved in the China General Microbiological Culture Collection Center with a preservation number of CGMCC No.38450. The strain has salt and alkali tolerance, can play the promoting functions of nitrogen fixation, phosphorus dissolution and resolution, iron carrier production and protease production, and can be prepared into microbial fertilizer. Application of the microbial fertilizer can effectively relieve salt and alkali stress, improve the seed germination and growth ability of crops, improve the physical and chemical properties of saline-alkali soil, optimize the ion environment, promote the nutrient absorption of crops, and provide support for agricultural utilization of saline-alkali land.

The invention discloses a memory system, and belongs to the technical field of memories. The memory system comprises a memory controller and a memory, the memory controller is used for managing the memory; the memory has N levels of memory sets, each memory set comprises a plurality of memory blocks, the (i + 1) th level of memory set in the N levels of memory sets comprises a plurality of ith level of memory sets, and each Nth level of memory set in the N levels of memory sets is configured with a computing unit; a computing unit is configured in a part of levels or a part of all levels of the memory sets from the first level to the (N-1)-1 level, the computing unit is used for executing computing operation based on data stored in the memory sets, and N and i are positive integers. The computing performance of the memory can be further improved.

The utility model belongs to the technical field of waste incineration fly ash treatment, and relates to a waste incineration fly ash supercooled water activating device and a fly ash recycling system.The waste incineration fly ash supercooled water activating device comprises a supercooled water system and a fly ash activating cavity, the fly ash activation cavity is provided with a fly ash inlet, an activated fly ash outlet and a supercooled water inlet connected with a supercooled water system, so that supercooled water and waste incineration fly ash are injected into the fly ash activation cavity, and the waste incineration fly ash is converted into a supercooled state under the action of the supercooled water; and the surface reaction product of the waste incineration fly ash is broken in the supercooled state, unreacted slaked lime in the fly ash is exposed, activated fly ash is obtained, and activation of the waste incineration fly ash is completed. The waste incineration fly ash is mixed with supercooled water, unreacted slaked lime in the fly ash is fully exposed through the supercooling reaction of the waste incineration fly ash, and the recycling efficiency of the slaked lime in the waste incineration fly ash and the economical efficiency of the waste incineration fly ash are improved.

The utility model discloses a kind of power supply circuit, battery management system and electronic equipment, power supply circuit includes: charging loop, its power receiving end connects battery, its first power supply end connects load;Control circuit, its first detection end connects load enable end, its control end connects the controlled end in charging loop;Charging circuit, its input end connects the second power supply end of charging loop, its output end connects the first detection end of control circuit;Charging circuit is charged when receiving low level signal in first detection end;Activation circuit, its input end connects the second power supply end of charging loop, its output end connects the second detection end of control circuit, in the process of charging of charging circuit conduction, activation signal is output to the second detection end of control circuit.The power supply circuit of present application increases the activation mode of battery, can use battery to activate battery to power supply, also can connect load to activate battery to power supply when there is no charger.

The application relates to the field of building materials, and particularly discloses a coal gangue activation treatment method, calcined coal gangue prepared by the method and application, the treatment method comprises the following steps: pretreatment: crushing and screening coal gangue to obtain coal gangue particles; pretreatment: treating the coal gangue particles in a eutectic solvent, and performing ultrasonic auxiliary treatment for 2-3 hours, and obtaining pretreated coal gangue after washing, the eutectic solvent comprises HBA components and HBD components, the HBA components are selected from a mixture of choline chloride and an amide compound, and the HBD components are selected from a mixture of a carboxylic acid compound and a polyhydric alcohol mixture; calcination: calcining the pretreated coal gangue at 400-450 DEG C to obtain calcined coal gangue, and the application further discloses the calcined coal gangue prepared by the method, and the application has the characteristics of realizing coal gangue activation treatment at a lower energy consumption.

This invention discloses a TiO2-supported NiCoCuMnAl high-entropy multimetallic photothermal methane dry reforming catalyst, its preparation method, and its application, belonging to the field of photothermal catalysis technology. The catalyst, designated T-NCCMA, is prepared by: dispersing tetrabutyl titanate in methanol, adding nickel, cobalt, copper, manganese, and aluminum sources to obtain a mixed solution; dissolving 2-methylimidazole in methanol and adding it to the above solution, followed by solvothermal reaction, centrifugation, washing, and drying to obtain a precursor; and finally, high-temperature heat treatment under a reducing atmosphere to obtain the final product. This invention constructs a high-entropy multimetallic interface on the TiO2 surface. Ni / Co sites promote CH4 activation, Mn-regulated defective TiO2 interfaces promote CO2 activation and oxygen transfer, Cu inhibits carbon deposition, and Al improves stability. The resulting catalyst, used in photothermally driven methane dry reforming reactions, exhibits high syngas yield, an H2 / CO ratio close to 1, and excellent anti-carbon deposition stability.

The invention relates to a hand-held power tool, in particular a screwdriver, having an elongate housing in which a drive unit having at least one drive motor is arranged for driving a tool receptacle, wherein the tool receptacle is configured for receiving an insert tool, and an activation unit for activating the drive motor, wherein activation of the drive motor is effected by loading of an insert tool arranged in the tool receptacle, in particular against a workpiece to be machined, along a longitudinal axis of the hand-held power tool, the activation unit having a motor switch arranged in the region of the tool receptacle and a manipulation element arranged on the periphery of the tool receptacle for manipulating the motor switch, wherein the tool receptacle has an inner receptacle facing the drive motor for receiving a spring element belonging to the activation unit, which, by loading of the tool receptacle, loads the manipulation element in a direction away from the drive motor for deactivating the drive motor.

The laser annealing apparatus executes: a surface melting step in which a semiconductor wafer is irradiated with laser pulses (LP) oscillated by a pulse laser device, and the surface of the semiconductor wafer is heated to a melting point or higher by means of a plurality of laser pulses (LP) to melt the semiconductor wafer; and an activation step in which the semiconductor wafer continues to be irradiated with the laser pulses (LP) from the surface melting step, and the dopant added below the surface of the semiconductor wafer is activated by raising the temperature below the surface of the semiconductor wafer to a predetermined activation temperature or higher by means of the plurality of laser pulses (LP) and maintaining the temperature for at least a predetermined period of time. In the activation step, the temperature of a region up to 10 [mu] m below the surface of the semiconductor wafer is raised to 1000 DEG C or more and maintained for at least 10 [mu] s.

The present application relates to a chimeric antigen receptor targeting BCMA and use thereof, in more detail, to an antibody targeting BCMA, a chimeric antigen receptor comprising the above antibody, a chimeric antigen receptor-T cell (CAR-T) expressing the above chimeric antigen receptor. It is confirmed that the chimeric antigen receptor targeting BCMA and the chimeric antigen receptor-T cell prepared in the present application specifically bind to BCMA as an antigen, and the chimeric antigen receptor-T cell binding to BCMA is activated. Also, it is confirmed that the chimeric antigen receptor-T cell of the present application effectively kills cells expressing BCMA, and thus the chimeric antigen receptor targeting BCMA and the chimeric antigen receptor-T cell of the present application can be usefully used as a composition for preventing or treating a disease associated with B cells or expression of BCMA.