129 results about "Energy particle" patented technology

Organic materials exposed to an electron beam for patterning a substrate (1) to make an optoelectronic organic device which includes a source, a drain, gate dielectric layer (4), and a substrate for emitting light.

Some embodiments include operation of an accelerator waveguide to accelerate particles to a first energy within the waveguide, wherein a prebuncher coupled to the waveguide outputs particle bunches having a first phase, change of a phase at which particle bunches will be output from the prebuncher from the first phase to a second phase, and operation of the accelerator waveguide to accelerate particles to a second energy within the waveguide, wherein the prebuncher outputs particle bunches having the second phase. Further aspects provide change of a resonant frequency of the prebuncher from a first frequency to a second frequency. According to still further aspects, the prebuncher includes a prebuncher cavity and change of the resonant frequency comprises change of a shape of the prebuncher cavity.

A mounting method for bonding a first object having a metal joint part to a second object, comprising the steps of cleaning at least the surface of the metal joint part of the first object by irradiating an energy wave or energy particle beam, and thermally bonding the cleaned metal joint part of the first object to a portion to be bonded of the second object by heating in a special gas atmosphere, and a device thereof. In the mounting, the primary and secondary oxidations of the metal joint part can be efficiently prevented, and thereby highly reliable bonding can be carried out.

The invention relates to a production process of an environmental-protection plant energy particle fuel, which is characterized by collecting combustible plant materials as raw materials and then sequentially processing the raw materials by the following steps of: (1) pulverizing: the raw materials are pulverized into powdery particle materials with the particle size less than 2 mm; (2) drying: the pulverized materials are dried so that the water content of the materials is 12%-20% by drying; and (3) extrusion molding: extrusion molding is carried out to the dried materials so that the materials form a solid particle fuel with the density of 1.0-1.4 g / cm<3> through extrusion molding. The invention can be used for processing various combustible plant materials comprising agricultural or forestall wastes and the like into high-efficiency combustible solid fuel particles, thereby solving the problem of considerably increased agricultural (forestall) wastes at present, also relieving the current situation of increasing energy shortage at present and being beneficial to environmental protection and energy saving.

The invention discloses a method for preparing a graphene film, comprising the steps of activating carbon atoms in carbon-containing gaseous carbon source, solid carbon source and liquid carbon source or a mixed carbon source material of any two or more than two of the carbon sources by adopting the technical methods of energy particles such as laser beam, electron beam, radio frequency beam, radial, photon, neutron beam, ion beam, plasma and the like; and forming the graphene film on a substrate. The method for producing the carbon atoms needed in the graphene film synthetizing is different from a conventional method and has the advantages that the method has great selectivity, and has no special requirement on the carbon source material and no special requirement on the substrate; the graphene film can be synthetized on the substrate which has the catalytic function and can be directly synthetized on the semiconductor or insulator substrate which does not have the catalytic function; and the formed graphene film is easily controlled in the aspects of the number of layers, structure and size and suitable for manufacturing high-performance photoelectronic devices on a large scale.

The invention relates to a daily health care product, namely multifunctional nano energy particles. The invention is characterized in that nano materials, natural mineral materials and carbon powder are added to high molecular materials, and the high molecular materials are compounded by a high performance and functionalizing nano technology and are combined with germanium particles and magnetic stripes. Therefore, the obtained nano energy particles are a daily health care product which skillfully combines eight functions of far infrared emission, antibiosis, negative ion release, magnetotherapy, radioresistance, antistatic behavior, air purification and beautification together. The multifunctional nano energy particles can be put and sewed on a pillow, a waist support, a knee shield, a wrist bandage, a mattress and other home textile products, clothes, commodities and the like, and the products can be worn and placed according to different health conditions of individuals combined with human body point therapy in the traditional Chinese medicine, thus having the characteristics of simplicity, convenience, flexibility, high efficiency, safety, wide applicable range of people and the like. The products can achieve the effects on changing microcirculation of a human body, adjusting internal secretion and nervous system, dredging the channels, promoting blood circulation and eliminating blood stasis, diminishing inflammation and alleviating pain, allaying tiredness, improving sleeping, improving the immunity of a human body, beautifying skin, supplementing magnetism, supplementing energy and preventing disease, and have an acupuncture and moxibustion effect without using a needle.

The invention discloses biomass energy particles produced by means of fermentation and a preparation method thereof. The biomass energy particles produced by means of fermentation are prepared from the following raw materials in parts by mass: 10-20 parts of sapindus mukurossi peel, 20-40 parts of corncobs, 2-10 parts of tar, 5-13 parts of wood vinegar, 20-40 parts of coal slime, 20-40 parts of peanut shells, 20-40 parts of pennisetum sinese, 15-25 parts of levant cotton exocarp, 15-25 parts of rice husk, 15-25 parts of wheat bran, 15-25 parts of corn husk, 15-25 parts of yellow mud, 70-110 parts of wood brick compound, 80-160 parts of agricultural straw, 18-33 parts of feces of livestock and poultry, 20-40 parts of biological clastic enzyme and 20-40 parts of fermentation bacteria. The biomass energy particles produced by means of fermentation and the preparation method thereof have the beneficial effects that biomass bricks can be subjected to sufficient burning; the cost is low, waste products are few, biomass energy can be fully used, and the biomass energy particles produced by means of fermentation have good economic benefits; a combustion value is high, generated smoke is little, harmful gas is little, pollution to the environment is reduced, meanwhile, the straw can be reused, the production cost of a manufacturer is reduced, and a product is high in heat value, good inshaping, and high in economic and social benefits.

The invention discloses a test particle simulation method for analyzing the confinement performance of high-energy particles in Tokamak, and belongs to the field of magnetic confinement controlled nuclear fusion. The method comprises the following steps: firstly, dividing a two-dimensional triangular mesh according to input parameters such as a balanced magnetic field and a plasma profile; secondly, loading high-energy particle information, which comprises information such as position and speed, into a phase space; then, according to the full-orbit equation and the guide center orbit equation,the evolution of the particles along with time is solved, and a Monte Carlo method is adopted in the collision module; and finally, outputting information of all particles, and outputting informationsuch as particle distribution, energy flow and current after the information is processed by the post-processing module. According to the method, physical processes such as transportation and loss ofhigh-energy particles can be simulated, the calculation efficiency is high, the numerical stability is high, and the method is a stable and efficient numerical simulation method.

Methods and systems are described for generating high-energy particles, or quantum energy, from a quantum macro object. Specifically, the method of generating high-energy photons, or quantum energy, comprises in general: (a) isolating a gaseous substance within a bounded area, wherein the gaseous substance and the bounded area contain a plurality of composition particles; (b) energizing the gaseous substance, and particularly the particles within the gaseous substance and the bounded area, thus causing the gaseous substance to transition into a glow discharge plasma state, wherein the particles are separated into their component atomic nuclei and electron parts; (c) increasing the gas pressure within the bounded area to transition the glow discharge plasma to a quantum macro object, wherein the quantum macro object comprises a positively charged nucleus and an electron cloud surrounding the positively charged nucleus, the electron cloud comprising a plurality of quantum electrons and a plurality of free-floating electrons, the quantum electrons comprising large amounts of potential quantum energy; (d) energizing the quantum electrons by inducing an active impact upon the quantum macro object, wherein the quantum electrons are caused to orbit the nucleus of the quantum macro object such that the potential energy existing within the quantum electrons is converted and released in the form of quantum energy in a continuous and inexhaustible manner. The bounded area is typically created by a dielectric of various sorts, such as within a dielectric container or properly charged air.

The invention discloses biomass energy particles and a preparation method thereof. The biomass energy particles are formed by pressing sawdust, rice hull or the mixture of the sawdust and the rice hull mechanically. The method comprises the steps of smashing the sawdust into powder with the particle size of less than or equal to 1.5 mm, and smashing the rice hull into powder with a particle size of less than or equal to 7 mm; feeding the sawdust, the rice hull and the mixture of the saw dust and the rice hull to a drying chamber for heating and drying, wherein the drying temperature is between 20 and 80 DEG C; and feeding the dried materials to circular mould pressing equipment for cold press moulding and thus obtaining the biomass energy particles. The invention has the advantages that: the material formula is reasonable; the technical performance is high; the energy consumption and production cost are low and reduced by 20 percent compared with those of the conventional biomass particle fuel and the preparation method thereof; and the biomass particles do not contain any chemical agent, and the product avoids causing environmental pollution during production and use.

The invention provides a space neutral atom imaging instrument calibration method. The method includes the following steps that: step 101, a particle transport calculation tool is adopted to calculate energy deposition values of different energy particles in a sensor, and corresponding relationships between particle energy and energy deposition are recorded; step 102, the corresponding relationships between the particle energy and the energy deposition are set according to the energy channel of an neutral atom imaging instrument, the energy deposition of the particles of neutral atoms of different energy in the sensor of the neutral atom imaging instrument is calculated, and the electron energy of the electrons of the neutral atoms is calculated according to the energy deposition which is obtained through calculation, and a plurality of energy-level energy points can be obtained; and step 103, an electronic detector and an instrument to be tested which are carried by a vacuum turntable in a vacuum tank measure electron beams sequentially, and therefore, comparison testing of various indicators of the instrument to be tested can be realized. With the space neutral atom imaging instrument calibration method and device provided by the invention adopted, calibration can be provided for instruments such as neutral atom detection instruments in energy, flux accuracy and resolution, and therefore, the quality of the research and development of the instruments can be ensured.

The invention discloses a process for preparing biomass energy particles, wherein the biomass energy particles are prepared from sawdust or rice hulls or a mixture of the sawdust and the rice hulls through machining and pressing. The process comprises the following steps of: crushing the sawdust to be less than or equal to 1.5mm and the rice hulls to be less than or equal to 7mm; conveying the sawdust, or the rice hulls or the mixture of the sawdust and the rice hulls into a drying room for heating and drying, wherein the drying temperature is 20-80 DEG C; and conveying the dried raw material into ring die pressing equipment, carrying out cold molding to prepare the biomass energy particles. The process disclosed by the invention has the advantages of reasonable raw material formula, favorable technical performance and low energy consumption and production cost. Compared with the traditional biomass particle fuel, the biomass energy particles prepared by utilizing the process disclosed by the invention have the advantage that: energy consumption and cost can be reduced by 20 percent. The biomass particles prepared by utilizing the process disclosed by the invention do not add any chemical preparation, and have no any pollution to environment in production and practical processes.

The invention discloses a citrus peel biomass energy particle and a preparation method thereof by squeezing. The biomass energy particle is formed by squeezing and then carrying out mechanical pressing on citrus peel, agroforestrial wastes and an antifermentive agent. The preparation method of the biomass energy particle comprises the steps of squeezing, smashing, mixing, drying and moulding. According to the invention, massive waste peel produced by processing citrus in a large scale can directly enter into a pipeline processing system, and a particle biomass energy fuel which is dense, has high energy density and thermal efficiency more than 80%, is easy to store and transport and is convenient to popularize and apply can be processed within several hours only, the fuel is an efficient and clean energy product, and the fuel has the advantages of good combustion characteristic, high burning rate, less dust, low chemical pollution emission and citrus flavour.

The invention provides a method for accelerating protons and carbon ions up to 450 MeV / u in a very compact linac, the method comprising subjecting the particles to a radio frequency quadrupole field to accelerate the particles to at least 3 MeV / u, a drift tube linac (DTL) to an energy of 20 MeV / u, followed by a coupled DTL to 45 MeV / u and finally a high-gradient section made of CCL-type standing wave cavities or negative harmonic traveling wave cavities operating at S-band frequencies and capable of delivering voltage gradients of 40 to 60 MV / m. Focusing the accelerated particles while accelerated to higher energy is provided by appropriately placed constant field permanent magnets and electromagnetic quadrupoles. The compactness and power efficiency of the linac is enabled by using high-gradient structure in the S-band frequencies for lower energy particles than ever before. The low-intensity required for hadron therapy allows the use of small-aperture S-band structures and the operation at very high gradient compared to high-intensity machines for research. Operating with very short sub-microsecond pulses at repetition rates up to 400 Hz allows the fast and flexible beam energy and intensity tuning not provided by existing hadron therapy machines. The designed linac is capable of accelerating ions as heavy as neon to the full 450 MeV / u energy, therefore allowing fast beam switching if different ion sources are installed in the front-end of the linac.

The invention relates to an energy particle detector signal processing system and method, and the system comprises: a pre-amplifier module which converts an electric pulse signal outputted by an energy particle detector into a voltage and then converts the voltage into a charge; a analog ASIC chip which is used for processing the charges and outputting a differential current signal; a conditioningcircuit which is used for carrying out current-voltage conversion on the differential current signal output by the analog ASIC chip; an ADC module whch is used for digitalizing the voltage signal output by the conditioning circuit; a trigger signal generation module which is used for processing the electric pulse signal output by the energy particle detector to generate a trigger output signal; acalibration module which is used for carrying out regular on-orbit calibration; a high-voltage field circuit which is used for providing bias high voltage for enabling each energy particle detector to work normally; a DAC module which is used for generating voltage signals with different amplitudes; and a core processing system which realizes noise removal, temperature compensation, state monitoring, high-energy particle type identification and system on-orbit calibration, and performs data communication with the load controller.

The invention discloses a high-kinetic-energy micro-particle composite shot blasting surface strengthening process. The process comprises the following steps of (1) setting shot blasting parameters; (2) shot treatment; (3) preparing shots; (4) placing a workpiece in place; (5) front shot blasting; and (6) reverse shot blasting. According to the process, aiming at the defects in the prior art, medium-frequency induction heating is used while micro-particles are subjected to shot blasting, micro-particles are heated to a certain temperature and ejected out through medium-frequency induction heating while shots generate kinetic energy under pushing of compressed air, after heated micro-particles make contact with the surface of the workpiece, a high heat conduction effect is generated, the surface of the workpiece is heated, surface hardness is reduced, high-kinetic-energy particles can further refine metal grains on the surface layer of the workpiece, while a strong surface pressure layer is generated, a grain size of the surface of the workpiece is improved, a surface contact stress of the workpiece is improved, and the fatigue life of the workpiece is prolonged.

The present invention discloses a magnetron sputtering coating method in a multi-level acceleration mode. A two-stage acceleration electric field is set between the target material and the matrix material during a coating procedure, wherein the direction of the electric field accords with the direction of particle acceleration. The two-stage acceleration electric field is equipped with a direct-current power supply which positive pole and negative pole are connected respectively to the matrix material and the target material. Said technological process in accordance with the present invention is simple, and the operations and applications are convenient, and then the sputtering coating quality is high. A certain accelerate electric potential is applied between the target material and matrix material for magnetron sputtering to accelerate ions formed after electric dissociation and to improve gas inonization rate. At the same time, the charge energy particles sputtering out are accelerated secondarily to improve the energy of charge energy particles for bombardment to the matrix material, and then the bond strength of the film membrane and the matrix material is improved.

The invention provides an adaptive trigger reinforcement circuit, which comprises an inverter chain, latches, a control module, a calculation module and a delay filter module, wherein the inverter chain comprises multiple stages of cascaded inverters; the latch is connected with the output end of each stage of inverter for latching the output logic state of the inverter; the control module is used for controlling all latches at a certain moment to enable each latch to keep the output logic state of the corresponding inverter; the calculation module is used for calculating the number of inverters whose calculation logic changes, and with the transmission time delay of the inverter as a unit, the width of single event transient (SET) is calibrated; and the delay filter module is used for automatically setting accurate filter delay according to the width of the SET calibrated by the calculation module, and the SET of the trigger module can be filtered. The SET widths under bombardment of different energy particles can be measured accurately, the accurate delay setting of the filter circuit is ensured, the SET can be filtered accurately, and apart from acquiring predicted anti-single particle effects, the chip reinforcement DEF has a better area and the minimum speed compromise cost.

The embodiment of the invention discloses a plant energy particle compression forming device and system and a plant energy particle manufacturing technique. The device comprises a screw propulsion rod, a compression cavity and a forming cavity, wherein the compression cavity is provided with a circular-truncated-cone-shaped inner wall and communicated with the forming cavity, the forming cavity is provided with one or more forming channels, the inner diameter of each forming channel is unchanged or changes in a continuous or gradient way from the end connected with the compression cavity to the other end, and the screw propulsion rod is arranged in the compression cavity and comprises a spindle and spiral blades surrounding the outer wall of the spindle. Plant energy particles produced by means of the plant energy particle compression forming device and system and the plant energy particle manufacturing technique are quite low in cost.

The invention discloses novel fuel. The novel fuel comprises the following raw materials in parts by weight: 65-75 parts of straw briquetting fuel, 18-21.7 parts of dry sludge organic cellulose, and 7-13.3 parts of dry sludge ash content, wherein the straw briquetting fuel is offscum of crop straws, carbohydrate plants, starch plants and oil crops, wastes of forestry and wood processing products, and fuel produced by processing urban classified garbage at one step; the dry sludge organic cellulose and the dry sludge ash content are sludge which is produced in the papermaking process and subjected to drying. The novel fuel has the benefits that renewable coal provided by the invention overcomes the shortage of non-renewable material energy particle fuel; the yield is increased; the cost is reduced; the novel fuel is easy to produce, safe, reliable, environment-friendly, and convenient to popularize, saves energy, can change waste into valuable, and effectively solves energy crisis.

The invention provides a preparation method of a semi-insulating silicon carbide single crystal wafer, and belongs to the technical field of production and processing of single crystal silicon. The silicon carbide wafer is irradiated by adopting high-energy particles, and point defects into the silicon carbide wafer is introduced to compensate shallow energy level defects of the silicon carbide wafer; the Al impurity concentration in the silicon carbide wafer is less than 1E15cm<-3>, the B and N shallow impurity concentrations are respectively less than 5E16cm<-3>, and the adopted high-energy particle irradiation dose is 0.3-25MeV; and the irradiation time is 0.1 to 6 hours. According to the invention, the actual difficulty of realizing uniform distribution of resistivity in and among semi-insulating SiC wafers under the condition that a deep-energy-level metal dopant is not used is overcome, the performance of a radio frequency device can be effectively improved, and meanwhile, the product consistency can be improved.

The invention discloses an organic plastic scintillator and a preparing method thereof and a light conversion device, and belongs to the technical field of organic plastic scintillators. The preparingmethod includes the steps that liquor of a vinyltoluene solution with dispersed 2,5-diphenyloxazole is degassed in a sealed container, the obtained product is heated to 125 DEG C to 150 DEG C for thefirst time and reacted for 4 h to 8 h, and then is slowly cooled to the normal temperature, and a precursor is obtained; the precursor is heated to 120 DEG C to 140 DEG C for the second time and solidified to be cooled to the normal temperature. An implementation method of the organic plastic scintillator is simple and convenient, the formula is simple, raw materials are environmentally friendly, the organic plastic scintillator prepared with the method is free of bubbles, free of embrittlement, good in stability, free of toxic and side effects and high in light transmittance, resolution ratio and response speed. The organic plastic scintillator is prepared with the method. The light conversion device comprises the organic plastic scintillator and can be used for detecting and diagnosinghigh-energy particles and radial rays.

The invention discloses a multi-direction space energy particle detection device by using grid regulation, which comprises a collimator, a modulated coded grid, a semiconductor sensor, an electronics section and a housing, wherein the collimator is used for limiting the space detection range of the energy particles; the modulated coded grid is used for limiting the flux of particles in different directions; the semiconductor sensor is used for detecting the energy of the energy particles; the semiconductor sensor is a pixel-type solid sensor, and when space particles enter the semiconductor sensor, due to lost energy, electrical signal pulses are excited at electrodes at two sides; and the electronics section is used for processing electrical signals provided by the semiconductor sensor to provide the particle kinds and the energy for reflecting the space particle energy.

The invention discloses a tunnel boring machine and a cutterhead assisting rock breaking via high-energy particle impact. The cutterhead assisting rock breaking via high-energy particle impact comprises a hob and a plurality of plasma electromagnetic injection systems. Each plasma electromagnetic injection system comprises a particle injection opening, a particle storage device used for storing particles, a plasma gas propulsion assembly for providing injection power for the particles through gas detonation, and an electromagnetic propulsion assembly for providing acceleration acting force for the particles. According to the cutterhead assisting rock breaking through high-energy particle impact, the speed that a single particle enters a rock in an impact mode is increased, the depth that the single particle can enter the rock in an impact mode is increased, in addition, in a same time, the number of particles which can be emitted by a single plasma electromagnetic injection system is increased, the damage force of the particles to the rock is increased, an ideal damage effect on the rock can be achieved, and the rock breaking efficiency and the rock breaking quality are improved.

The invention discloses a method for improving the cohesiveness of a SiC-C hydrogen resisting coating to a matrix metal material, which belongs to the field of nuclear technology and application. When the SiC-C hydrogen (tritium) resisting coating is prepared on the matrix metal material, an intermediate transition layer is adopted to improve the cohesiveness of the coating to a matrix and to improve the hydrogen (tritium) resisting effect of the SiC-C coating. The method comprises the following steps: performing low-energy particle bombardment on the matrix of the metal material after the polishing and cleaning so as to further remove the surface contamination and activate the surface; and then using a physical vapor deposition technology to deposit the transition layer to further prepare the SiC-C coating on the basis of the transition layer. The method can be performed in a device for preparing the SiC-C coating, and the preparation of the intermediate transition layer can be directly matched with the preparation of the SiC-C coating. After the deposition of the intermediate transition layer, the SiC-C hydrogen (tritium) resisting coating not only can effectively improve the cohesiveness of the coating and the matrix material, but also is advantageous to improve the hydrogen resistance of the coating itself.

The invention discloses an energy-containing physiotherapy instrument which comprises a box (1), a massage handle (6), a heating device which is fixed in the massage handle, a circuit control panel (2) which is fixed in the box and is used for regulating the temperature of the heating device, a power module (5) which supplies power to the circuit control panel, and wires (13) which connect the heating device with the circuit control panel, wherein the massage handle comprises a rubber shell and a massage head (7) which is fixed on the rubber shell and is contacted with the human body, and energy particles (12) are embedded in the massage head. The energy particles are heated, the energy is led into the deep layer of the skin until the interior of the human body in a warm leading manner, so good substantive health care and disease relief effects are realized. Moreover, the energy-containing physiotherapy instrument is light and small and convenient to be carried.

A method for preparing a cubic boron nitride thin film belongs to the field of wide band gap semiconductor or superhard material thin film. The direct preparation of boron nitride films with high cubic phase content is difficult to control and has poor repeatability; during the nucleation and growth of cubic boron nitride films, energetic particles must bombard the surface of the film, which will cause structural defects in the film and residual stress in the film. If it is too large, it is easy to crack and fall off. Steps of the present invention: after the substrate is cleaned, a hexagonal boron nitride film is deposited on the substrate material using vapor phase film growth equipment; the vacuum degree is pumped below 5 Pa, and the hexagonal boron nitride film is annealed with nitrogen protection: the annealing temperature is 850- 950°C, constant temperature for 20-60 minutes; the nitrogen gas is above 99.999% pure. The present invention has loose conditions and good repeatability: no need to install a substrate heating device and a substrate negative bias device to generate energy particles to bombard the film; no need to select the best working gas pressure and composition; and the hexagonal boron nitride film The deposition rate is faster, and it is not easy to crack and fall off.

An arrangement for detecting energy particle impingement includes a support frame and a multi-tube detector pack. Each pack includes multiple detector tubes. Each tube contains at least one sensitive material. Each tube is elongate along a respective axis. The tubes extend parallel with the respective axes being co-planar. Each pack includes mounting tabs located at each axial end. The tabs provide support for the tubes within the pack. At least one of the tabs has at least one securing portion and at least one adjusting portion. Each pack includes at least one operable securing member extending from the respective securing portion to the frame. Operation of the securing member secures the pack to the support frame. Each pack includes at least one operable adjusting member extending from the respective adjusting portion to the frame. Operation of the adjusting member changes an orientation of the pack.

The invention relates to a device and method for creating a fine-grained fuel from solid or paste-like raw energy materials by means of torrefaction, comprising an impact reactor having a rotor and impact elements which is temperature resistant up to 350 degrees Celsius, a feed device for hot circulation gas in the lower region of the impact reactor, a feed device for solid or paste-like raw energy materials in the head region of the impact reactor, at least one withdrawal device for a gas flow comprising comminuted and torrefacted raw energy particles and a separation and withdrawal device for crushed and torrefacted raw energy particles from the gas flow taken out of the impact reactor.

The invention provides a method for screening rock burst warning micro-seismic events of a deep buried tunnel, and relates to the technical field of rock burst warning of deep buried hard rock tunnels. The method comprises the steps of first collecting micro-seismic monitoring information from the initiation to occurrence of each rock burst case, and extracting the release energy logarithm and magnitude of each micro-seismic event in each level of rock burst cases; drawing micro-seismic energy gradation curves for different levels of rock burst cases, and then calculating a release energy logarithm value corresponding to each particle size of the energy gradation curves of different levels of rock bursts; drawing the changes of the particle size values of different levels of rock bursts onthe same energy particle size curve diagram, and analyzing and calculating a mean of release energy logarithm values corresponding to the energy particle sizes when the respective levels of rock burst energy particle size curves do not cross each other at the beginning but tend to consistency later; and using the mean as a minimum integrity energy threshold of a micro-seismic catalog corresponding to a minimum integrity seismic magnitude, thus achieving the screening of the rock burst warning micro-seismic events.