32results about How to "No radioactive hazard" patented technology

The invention relates to gold tail mine concrete block and its productive technique, which belongs to wall material for building and productive technical field. Its characteristics is that the main raw material for making concrete block includes slag, cement, burnt lime, aluminum powder and water, and their mess ratio is: slag 60~70%, cement-6~10%, burnt lime-20~30% aluminum powder -0.01~0.05% and the water content can be changed according to the requirement of gold tail slime density. The invention can reach the purposes of environmental protection, energy saving, using the waste, increasing the building's quality and assuring people's health, it can use waste slag completely, with good resistance to coldness and without radioactive harm, can be compound with mortar so that solve the problem of wall surface falling down.

The invention relates to biological microcrystalline glass prepared by utilizing phosphate tailings and a preparation method thereof. The biological microcrystalline glass comprises the following raw materials in parts by weight: 30 to 35 parts of the phosphate tailings, 15 to 25 parts of quartz sand, 10 to 16 parts of aluminium hydroxide, 20 to 28 parts of calcium hydrophosphate, 9 to 13 parts of calcium fluoride, 0 to 5 parts of magnesium oxide, 0 to 5 parts of zinc oxide and 0.5 part of sodium borate, wherein the utilization rate of the tailings reaches more than 30%. Compared with a product produced by utilizing conventional chemical raw materials, the biological microcrystalline glass has better physical and chemical properties and realizes reduction in the raw material cost by more than 30%. Based on the SiO2-Al2O3-P2O5-CaO-CaF2 system, the magnesium and the zinc are utilized to replace the partial calcium, so that a new magnesium-series wagnerite phase and a zinc-series zinc pointed crystal phase are generated, and therefore, the brittleness of the biological microcrystalline glass is improved while the mechanical strength is improved. In addition, the biocompatibility, the bioactivity and the chemical stability of the biological microcrystalline glass are improved.

The invention provides a nickel slag autoclaved aerated concrete block. The raw materials comprise basic materials, admixtures and water, wherein the basic materials comprise nickel slag, coal ash, cement, quick lime, aluminum powder and gypsum; and the admixtures comprise thickened stabilizers and ion crystal modifiers. The invention also provides a method for preparing the nickel slag autoclaved aerated concrete block. The quality of the nickel slag autoclaved aerated concrete block disclosed by the invention meets the requirement on national standard GB11968-2006, and a way is found for large-scale utilization of nickel slag.

A negative ion additive for paint contains the electronic beam activated superfine tourmalinite powder, photocatalytic TiO2 nanoparticles, superfine topaz powder, and superfine TiO2 and / or SiO2 powder. Its advantages are high power to generate negative ions, high effect to remove formaldehyde, ammonia, benzene, VOC and other pernicious gases, and high safety.

The invention discloses a flexible stone and a manufacturing method thereof. The flexible stone comprises the following raw materials: 20 to 40 percent of cement, 2 to 15 percent of latex powder, 0.3 to 2 percent of organic silicon water repellent, 0.1 to 2 percent of fiber and the balance of filler such as waste building cement blocks, waste blocks of a stone plant, cinder, waste powder of a ceramic plant, quartz sand and the like. The manufacturing method comprises the following steps of: crushing the filler, mixing the crushed filler and other raw materials, and adding 15 to 30 percent of water into the mixture to obtain composite slurry; and coating, pouring or extruding the composite slurry on a stone texture die, solidifying the composite slurry at normal temperature and then releasing a solidified object from the die to obtain the flexible stone. The flexible stone has light weight, surface density of less than 8kg / m<2> and extremely good stone simulating effect. The flexible stone can be stuck by using polymer cement mortar without dry-hanging assembly, and is particularly suitable for decoration of an outer wall. The used raw materials have no harm to the human body, have no radioactive hazard, do not generate volatile gas, and are also suitable for indoor decoration. The flexible stone makes full use of building wastes, and is economic and environment-friendly.

The invention discloses a production method of anion dipping paper / an anion veneer artificial board base material / an anion veneer artificial board. The production method of the dipping paper comprisesthe steps that S1 anion mixed liquid is prepared from the following components in parts by weight: 30-40 parts of tourmaline powder, 5 parts of borax, 5 parts of aluminum oxide, 3 parts of nano silver, 10 parts of nano zinc, 1 part of sodium fluosilicate and 40-70 parts of deionized water; S2 the anion mixed liquid prepared in the step S1 and melamine glue are utilized to prepare an anion glue solution at the weight ratio of 1 to 25,wherein the density of melamine glue is 1.0-1.25g / cm<3>, the viscosity is 20-70 MPa.s, the pH value is 8-9.5, and the mass percentage content of solid is higher than or equal to 30%; and S3 to-be-dipped paper is dipped into the anion glue solution prepared in the step S2 and then dried, so thatthe dipping paper is obtained.

The invention discloses a novel lightweight composite heat-insulation ceramic construction material. The novel lightweight composite heat-insulation ceramic material mainly comprises, by weight, 40-55 parts of ceramic waste, 5-15 parts of calcium-carbonate-based waste, 1-10 parts of clay, 2-15 parts of bentonite and 6-8 parts of foaming agent, and is obtained by subjecting the raw materials in the weight part ratio to smashing, firing and follow-up treatment under a certain conditions. The novel lightweight composite heat-insulation ceramic construction material has the advantages that the ceramic waste is taken as a production raw material, so that comprehensive utilization of industrial waste, energy conservation and environment protection are achieved; the prepared novel lightweight composite heat-insulation ceramic construction material is low in cost and density, small in heat conduction coefficient, high in compressive strength and tensile strength, capable of proofing fire completely and the like.

The invention discloses an environment-friendly baking-free brick prepared from sludge and furnace slag. Raw materials include: sludge, domestic incinerator slag, cement, a curing agent and water in amass ratio of (35-40): (10-15): (40-50): (5-10). The preparation method comprises the following steps: carrying out pyrohydrolysis and thermophilic anaerobic digestion treatment on raw sludge, and dehydrating to obtain dehydrated sludge; adding a deodorant into the dehydrated sludge, naturally deodorizing and airing, then crushing, sieving with a 100-mesh sieve to obtain sludge powder, and sieving the domestic incinerator slag with a 50-mesh sieve to obtain slag particles; and mixing the sludge powder and the slag particles with Portland cement, a curing agent and water, putting the obtainedmixture into a mold, performing extrusion and compression molding, and performing maintenance in air so as to obtain the environment-friendly baking-free brick. Waste sludge and furnace slag can be used as raw materials to prepare the environment-friendly baking-free brick which is stable in property, free of pollution and capable of meeting the strength requirement.

The invention discloses a method and device for test detection of degassing factors of a degassing tower of a nuclear power plant. The method for test detection of the degassing factors of the degassing tower of the nuclear power plant comprises the following steps of S1, dissolving simulation gases in simulation material liquid to simulate radioactive raw material liquid, wherein the simulation material liquid is a solution which contains boric acid in a dissolved mode, the simulation gases comprise N2, O2 and a stable isotope Xe, and the Xe is a tracer element; (2) injecting the simulation material liquid with the simulation gases in a dissolved mode into the degassing tower to carry out degassing; (3) using the simulation material liquid discharged from the degassing tower after the degassing as tower bottom material liquid, measuring the concentration of the Xe in the tower bottom material liquid, and calculating the degassing factors of the degassing tower. The device for test detection of the degassing factors of the degassing tower of the nuclear power plant comprises a mass spectrometer, a feed liquid tank, a gas-liquid mixer, the degassing tower and a sampler, wherein the feed liquid tank, the gas-liquid mixer, the degassing tower and the sampler are connected in sequence. The method and device for test detection of the degassing factors of the degassing tower of the nuclear power plant have the advantages of being good in economy of detection of the degassing factors of the degassing tower, free of radioactive hazards, and capable of protecting the environment.

Negative ion paint additive is characterized in that, wherein contains (weight %): tourmaline superfine powder 40-60, nanometer TiO 2 Photocatalytic powder 0.5-5, topaz superfine powder 2-35, TiO 2 and / or SiO 2 Ultrafine powder (residue), and the above-mentioned tourmaline ultrafine powder has been processed through electron beam activation intensification in advance, and the conditions of this treatment are: electron beam accelerating voltage 10-50kV, electron beam current 100-200mA, electron beam irradiation area 2-10cm 2 , The thickness of the powder is 0.5-2cm, and the longitudinal movement speed of the powder is 0.5-2m / min. The negative ion coating additive of the present invention has strong negative ion generation ability, so its consumption is small, the effect is high, and there is no radioactive hazard. At the same time, it can effectively remove formaldehyde, ammonia, benzene, VOC and other odorous gases.

The invention discloses a high-strength lightweight building material and a preparation method thereof. The high-strength lightweight building material is prepared from the following components in parts by weight: 10-30wt% of coal ash, 1-4wt% of an expanding agent, 5-15wt% of acetylene sludge, 6-10wt% of a reinforcing agent, 20-50wt% of quartz powder and 20-50wt% of aluminate cement. The preparation method comprises the steps of pretearting the raw materials and sintering under certain conditions to obtain the high-strength lightweight building material. The obtained building material is low in density and high in strength and conforms to the requirements of modern building materials; in addition, the purposes of energy consumption and emission reduction are achieved.

The invention discloses a method for detecting gastric motility with ultrasound contrast-enhanced filling, which includes the following steps: the first step, the evaluation and preparation before the ultrasound contrast-enhanced examination, including the following three aspects: evaluating the physiological function and psychological state of the examinee; Stomach preparation of the patient: fasting and drinking before the examination; preparation of gastric filling type acoustic contrast agent; the second step, ultrasonography, including the following two aspects: confirming that the subject’s stomach is empty; gastric filling type contrast ultrasonography : The examinee drank a stomach-filling acoustic contrast agent after sitting; then scanned the gastric antrum with an ultrasonic imaging device and measured the peristaltic rate of the gastric antrum center, the peristaltic distance in one cycle, and the difference in the motion amplitude of the gastric antrum wall; the whole process of contrast-enhanced ultrasound Store the dynamic images; finally, according to the contrast dynamic images, analyze and discuss the results of ultrasound examination. The invention has the characteristics of non-invasiveness, convenient operation and no radiation hazard.

The invention discloses a river silt detecting device which comprises a silt probe (1), a water pumping pipe (2), a metering water pump (3) and a photoelectric detector (4). The metering water pump (3) is mounted on the water pumping pipe (2), a water inlet of the water pumping pipe (2) is communicated with the upper portion of the silt probe (1), a water outlet end of the water pumping pipe (2) is connected with the photoelectric detector (4), the silt probe (1) comprises a probe barrel (11), an electromagnetic valve (12) and a clear water pipe (13), the electromagnetic valve (12) is arranged on the bottom surface of the probe barrel (11), the clear water pipe (13) is arranged on a side wall of the bottom of the probe barrel (11), an opening of the clear water pipe (13) floats for at least five meters, a touch switch (14) is mounted on the bottom surface of the probe barrel (11), and the electromagnetic valve can be closed under the control of the touch switch (14). The river silt detecting device has the technical advantages of little disturbance on silt, zero radioactive hazards, safety in use, simple structure, easiness in operation and measurement and capability of accurately measuring the thickness of the silt.

The invention discloses processing equipment for a negative oxygen ion novel material decorative-surface artificial board and a processing method. The processing equipment comprises a grabbing mechanism, a first conveying carrier roller, a negative oxygen ion liquid receiving box, a negative oxygen ion liquid spraying device, a second conveying carrier roller, a drying box and a pressing machine;the first conveying carrier roller is used for moving a substrate to the negative oxygen ion liquid spraying device; the negative oxygen ion liquid spraying device comprises an upper spraying mechanism, a lower spraying mechanism and a spraying conveying carrier roller, and the upper spraying mechanism and the lower spraying mechanism are connected with the negative oxygen ionic liquid receiving box through a pipeline; the spraying conveying carrier roller is used for conveying the substrate to move at a uniform speed in the spraying process and moving the substrate to the second conveying carrier roller after the spraying is completed; the second conveying carrier roller is used for moving the substrate obtained after spraying of a negative oxygen ionic liquid into the drying box; and thedrying box is used for drying the substrate obtained after the spraying of the negative oxygen ionic liquid. The equipment and method provided by the invention can effectively overcome the problem that a negative oxygen ionic liquid is inconvenient to supply or negative oxygen ions in a raw material are not up to standard.

The invention aims at the shortages of radiological hazards, inconvenience in operation, uneasiness in mixing, large errors and influences on fish feeding and the like existing in the prior art for determining individual food intake of fish, and provides a method for determining the individual food intake of fish. The specific scheme is as follows: mixing metal particles the diameters of which are about 0.25 mm after screening and conventional feeds according to a certain proportion to prepare a feed containing the metal particles, feeding the feed to experimental fish, detecting the fish body by an X-ray machine after the feed is sucked by the gastrointestinal tract of the fish, and indirectly determining the food intake of the fish according to the number of the metal particles. The method provided by the invention is without radiological hazards, simple and convenient to operate, smaller in errors, and free from influences on fish feeding; the metal particle indicators are discharged completely within 24 hours, and the fish is not injured. A foundation for studying utilization efficiency of fish feeds is laid by the method.

The invention discloses a novel wear-resisting plate produced by using waste moulding sand and a preparation method of the plate. The novel wear-resisting plate produced by using waste moulding sand comprises the following raw materials in parts by weight: 40-60 parts of waste moulding sand, 0-15 parts of quartz sand, 22-40 parts of calcium carbonate, 1-7 parts of aluminum oxide, 0-2 parts of sodium nitrate, 2-10 parts of sodium carbonate, 8-20 parts of magnesium carbonate and 1-2 parts of chromium sesquioxide. According to the invention, waste is used as the production raw material, so that the cost for producing the wear-resisting plate is reduced; by taking diopside as the main crystalline phase, the wear-resisting plate is large in hardness, high in strength, corrosion resistant, weather resistant, non-absorbent and free of radioactive dangers; and at the same time, the volume of cargo in storage of the waste moulding sand is decreased, so that the recycling of the waste is realized and the environment pollution is prevented and treated. The wear-resisting plate is prepared by using a melting-calendaring-crystallization process and the product is capable of replacing certain metals or other materials at certain places, so that the cost is reduced and the service life of the equipment is prolonged; and the wear-resisting plate can be widely applied to the fields of electric power, coal, mine, metallurgy, building and the like.

The invention relates to gold tail mine concrete block and its productive technique, which belongs to wall material for building and productive technical field. Its characteristics is that the main raw material for making concrete block includes slag, cement, burnt lime, aluminum powder and water, and their mess ratio is: slag 60~70%, cement-6~10%, burnt lime-20~30% aluminum powder -0.01~0.05% and the water content can be changed according to the requirement of gold tail slime density. The invention can reach the purposes of environmental protection, energy saving, using the waste, increasing the building's quality and assuring people's health, it can use waste slag completely, with good resistance to coldness and without radioactive harm, can be compound with mortar so that solve the problem of wall surface falling down.

The invention discloses a novel lightweight composite heat-insulation ceramic construction material. The novel lightweight composite heat-insulation ceramic material mainly comprises, by weight, 40-55 parts of ceramic waste, 5-15 parts of calcium-carbonate-based waste, 1-10 parts of clay, 2-15 parts of bentonite and 6-8 parts of foaming agent, and is obtained by subjecting the raw materials in the weight part ratio to smashing, firing and follow-up treatment under a certain conditions. The novel lightweight composite heat-insulation ceramic construction material has the advantages that the ceramic waste is taken as a production raw material, so that comprehensive utilization of industrial waste, energy conservation and environment protection are achieved; the prepared novel lightweight composite heat-insulation ceramic construction material is low in cost and density, small in heat conduction coefficient, high in compressive strength and tensile strength, capable of proofing fire completely and the like.

The invention discloses a method and device for test detection of degassing factors of a degassing tower of a nuclear power plant. The method for test detection of the degassing factors of the degassing tower of the nuclear power plant comprises the following steps of S1, dissolving simulation gases in simulation material liquid to simulate radioactive raw material liquid, wherein the simulation material liquid is a solution which contains boric acid in a dissolved mode, the simulation gases comprise N2, O2 and a stable isotope Xe, and the Xe is a tracer element; (2) injecting the simulation material liquid with the simulation gases in a dissolved mode into the degassing tower to carry out degassing; (3) using the simulation material liquid discharged from the degassing tower after the degassing as tower bottom material liquid, measuring the concentration of the Xe in the tower bottom material liquid, and calculating the degassing factors of the degassing tower. The device for test detection of the degassing factors of the degassing tower of the nuclear power plant comprises a mass spectrometer, a feed liquid tank, a gas-liquid mixer, the degassing tower and a sampler, wherein the feed liquid tank, the gas-liquid mixer, the degassing tower and the sampler are connected in sequence. The method and device for test detection of the degassing factors of the degassing tower of the nuclear power plant have the advantages of being good in economy of detection of the degassing factors of the degassing tower, free of radioactive hazards, and capable of protecting the environment.

The invention relates to a clay / polyolefin granule dyeable fine denier polypropylene fiber. The composition thereof comprises clay / polyolefin composite granules and polypropylene granules with the weight ratio of 1-10:90-99; the preparation includes: modifying the clay by an organic modifying agent, mixing the modified clay with olefin monomers and an evocating agent, adding the mixture into aqueous solution containing a dispersing agent, introducing nitrogen for 60-90min, stirring while the reaction is performed, and after the granules are hardened, washing and drying the granules to obtain the clay / polyolefin composite granules; melting and mixing the clay / polyolefin granules with polypropylene granules, extruding and cooling, and granulizing by a granulator to obtain blended slices; processing the blended slices by a spinning machine to obtain fine denier filaments, and preparing dyeable fine denier polypropylene fiber by winding and drafting. In the method, clay inorganic substance is used as raw material, thereby lowering cost compared with rare earth, and generating no radioactivity; meanwhile the dye-uptake rate of the fine denier polypropylene fiber can achieve 85-92%.

The invention discloses an optical circulation enlarged type biological chip detecting method, wherein the enzyme recirculation and bioluminescence are combined, for realizing the FMNH#-[2] accumulation through the circulation on the electrodes by the NADH / NAD#+[+] oxidation-reduction, the high level accumulation FMNH#-[2] reacts with other light-emitting bottom luciferase, long chain aldehydes and oxygen, giving off fluorescent light having wavelength of 490nm. The invention realizes high sensibility, low cost and simplicity of operation, thus is suitable for each types of biological sample analysis.

The invention relates to a method for preparing a nano-microlite plate by utilizing CRT (Cathode Ray Tube) screen glass. The method disclosed by the invention comprises the following steps: firstly, crushing screen glass of a waste cathode ray tube, an electronic gun of which is removed, and melting by adding auxiliary raw materials to prepare concentrated pigment; and then, mixing and forming CRT screen glass power and concentrated pigment powder according to the mass fraction, heating, crystallizing, and cooling to obtain nano-microlite. The nano-microlite plate prepared by using the preparation method disclosed by the invention is low in porosity and water absorption, high in strength, small in colour difference, simple in sintering process and low in cost; the utilization rate of the CRT screen glass is high; furthermore, pollution to the environment cannot be generated in the production and use processes; the nano-microlite plate is high in acid-base resistance property and abrasion resistance and free from radioactivity harm, and can be used as a novel high-grade decorative plate; the preparation method disclosed by the invention is simple in operation process and low in cost; the production cost of nano-microlite can be effectively reduced; the environment is protected; wastes are turned into wealth; and thus, the method disclosed by the invention is applied to large-scale industrialization production and has obvious economic benefits and environment-friendly benefits.

The invention discloses a moisture measurement method and device of a vertical section of farmland soil. The device is characterized by comprising a mounting pipe sleeve, a hollow cylindrical electrode, an insulating pipe column, a base band coaxial cable, a liquid-phase hollow water column, a resisting plate and a core processor; the moisture measurement device of the vertical section of the soil is controlled by a voltage-controlled oscillator to generate a high-frequency oscillation signal; a low-frequency square wave signal is obtained through silicon epitaxy high-frequency and low-noise amplitude amplification, and shaping and frequency division of a dual-modulus prescaler; accurate sensing of the volume moisture content of the soil is realized through a mathematical model between the frequency and the volume moisture content of the soil. A cylindrical stereoscopic type multilayered structure is adopted, and a moisture dynamic determination fitting and quantitative inversion technology of the vertical section of the farmland oil is integrated, so that the volume moisture convent of different heights of the vertical section of the farmland oil and the moisture supply amount of the soil of the vertical section are dynamically sensed in real time by utilizing the fewest layers; the moisture measurement method and device has the greatest advantages that the moisture condition of the vertical section of the soil can be continuously sensed in real time, the space integrity is strong and real-time calibration can be realized.

The invention discloses a method for making anion-impregnated paper / anion-decorated artificial board base material / anion-decorated artificial board, wherein the method for preparing the impregnated paper comprises S1: by weight, 30-40 parts of tourmaline powder, 5 parts of borax 1 part, 5 parts of aluminum oxide, 3 parts of nano-silver, 10 parts of nano-zinc, 1 part of sodium fluorosilicate and 40-70 parts of deionized water to prepare an anion mixture; S2: use the anion mixture prepared by step S1 Liquid, by weight ratio is: negative ion mixed liquid: melamine glue=1:25 ratio prepares negative ion glue; The density of melamine glue is 1.0-1.25g / cm 3 , the viscosity is 20-70MPa·s, the pH value is 8-9.5, and the mass percentage of solids is ≥30%; S3: impregnating the impregnated paper with the negative ion glue prepared in step S2, impregnated, and then dried to form the impregnated paper.

The invention provides a nickel slag autoclaved aerated concrete block. The raw materials comprise basic materials, admixtures and water, wherein the basic materials comprise nickel slag, coal ash, cement, quick lime, aluminum powder and gypsum; and the admixtures comprise thickened stabilizers and ion crystal modifiers. The invention also provides a method for preparing the nickel slag autoclaved aerated concrete block. The quality of the nickel slag autoclaved aerated concrete block disclosed by the invention meets the requirement on national standard GB11968-2006, and a way is found for large-scale utilization of nickel slag.

The invention relates to a method for preparing a nano-microlite plate by utilizing CRT (Cathode Ray Tube) screen glass. The method disclosed by the invention comprises the following steps: firstly, crushing screen glass of a waste cathode ray tube, an electronic gun of which is removed, and melting by adding auxiliary raw materials to prepare concentrated pigment; and then, mixing and forming CRT screen glass power and concentrated pigment powder according to the mass fraction, heating, crystallizing, and cooling to obtain nano-microlite. The nano-microlite plate prepared by using the preparation method disclosed by the invention is low in porosity and water absorption, high in strength, small in colour difference, simple in sintering process and low in cost; the utilization rate of the CRT screen glass is high; furthermore, pollution to the environment cannot be generated in the production and use processes; the nano-microlite plate is high in acid-base resistance property and abrasion resistance and free from radioactivity harm, and can be used as a novel high-grade decorative plate; the preparation method disclosed by the invention is simple in operation process and low in cost; the production cost of nano-microlite can be effectively reduced; the environment is protected; wastes are turned into wealth; and thus, the method disclosed by the invention is applied to large-scale industrialization production and has obvious economic benefits and environment-friendly benefits.

The invention discloses a river silt detection device, which comprises a silt probe (1), a suction pipe (2), a metering water pump (3) and a photoelectric detector (4), and the metering water pump (3) is installed on the water suction pipe (2) ), the water inlet of the suction pipe (2) is connected to the upper part of the sludge probe (1), the water outlet of the suction pipe (1) is connected to the photoelectric detector (4), and the sludge probe (1) includes a probe cylinder (11), a solenoid valve (12 ) and clean water pipe (13), the solenoid valve (12) is set on the bottom surface of the probe cylinder (11), the clean water pipe (13) is set on the side wall at the bottom of the probe cylinder (11), and the clean water pipe (13) opens to float At least 5 meters, a touch switch (14) for controlling the closing of the solenoid valve is installed on the bottom surface of the probe cylinder (11). The technical effects of the invention are: the thickness of the silt can be accurately measured, the silt is less disturbed, there is no radioactive hazard, the use is safe, the structure is simple, and it is easy to operate and measure.

The invention discloses an application of metabolite ADMA in preparation of an osteoarthritis diagnostic kit. Existing osteoarthritis diagnosis methods depend on imaging examination and clinical manifestation. X-rays show joint gap stenosis, articular surface blurring, subchondral hyperplasia, articular cavity osteophyte formation, joint fusion and dislocation and the like. The metabolite ADMA is used as a marker for osteoarthritis diagnosis and is used for preparing a kit for diagnosing arthritis, particularly early arthritis. The arthritis kit is prepared from ADMA powder, ADMA-D7, formic acid, acetonitrile and ultrapure deionized water. The invention provides a kit capable of detecting arthritis, particularly early arthritis, by utilizing the high relevance between the content of metabolite ADMA in synovial fluid and the arthritis disease condition and taking the metabolite ADMA as a marker. The arthritis kit provided by the invention has the characteristics of high detection speed, good repeatability, high sensitivity and high specificity, and has no radioactive hazard.