128results about How to "High promotional value" patented technology

The invention discloses a low-power-consumption indoor and outdoor positioning method which comprises the steps of arranging positioning beacons such as a Bluetooth device in a required indoor environment; after a receiving end receives positioning information, performing low-power-consumption transmission of the positioning information to a background monitoring system by means of LPWAN technology, finishing indoor positioning by the background monitoring system, and simultaneously, performing positioning at an outdoor space by means of a satellite navigation system, transmitting a latitude-and-longitude result which is output from the satellite navigation system back to the background monitoring system through the LPWAN, thereby realizing omnibearing positioning in the indoor space and the outdoor space. The low-power-consumption indoor and outdoor positioning method overcomes problems of high cost and high power consumption. Furthermore on the condition that a sensor senses a fact that a person or an article does not move, the sensor automatically enters a dormancy state, thereby effectively prolonging duration time and standby time and greatly improving actual popularization value.

The invention discloses a defect two-dimensional morphology imaging detection method based on multi-mode acoustic beam synthetic aperture focusing, belonging to the technical field of nondestructive testing. According to the method, a phased array ultrasonic detector, a phased array ultrasonic probe and a phased array ultrasonic detection system of an oblique wedge block are adopted; and signal acquisition of a detected test block is performed by the electronic scanning function of the phased array ultrasonic detector to obtain A-scanning signal of each aperture of the phased array ultrasonic probe. According to different mode conversion types of excitation acoustic beam of each aperture on the interface between the wedge block and test block, at the bottom of the test block and on the defect surface, proper multi-mode acoustic beam is selected from 8 acoustic beam transmission modes. Based on SAFT imaging principle and Fermat's theorem, the transmission delay of the multi-mode acoustic beam of each aperture is calculated, and amplitudes are overlapped to obtain a reconstructed SAFT image, thus realizing complete representation of defect two-dimensional morphology features. The invention can realize correct recognition of volume type and area type defects so as to realize accurate quantification of defect length, depth and orientation, and has relatively high engineering application value.

The invention relates to 21MnCrMoS steel used for a gear. The chemical ingredients comprises 0.17-0.25% of C, 0.10-0.35% of Si, 0.95-1.35% of Mn, 0.25-0.65% of Cr, 0.020-0.050% of S, no more than 0.25% of P, 0.08-0.15% of Mo, no more than 0.10% of Ni, no more than 0.20% of Cu, 0.010-0.050% of Al, no more than 0.0005% of Ca, and the balance being Fe and unavoidable impurities elements. The end hardenability of the steel satisfies the formulas that J5=38-43HRC, J8=30-35HRC, and J13=22-28HRC, and the 21MnCrMoS steel belongs to low-cost carburizing gear type of steel and the producing method. Themanufacturing procedure comprises the steps of electric furnace, refining outside the furnace, VD vacuum degassing, continuous casting, continuous rolling, sawing, reactor cooling, finishing, surfaceand internal flaw detection, and packaging.

The invention discloses a metabonomics-based diagnosis marker for chronic obstructive pulmonary disease and application thereof. The diagnosis marker comprises the following 28 blood plasma metabolismmarkers: phosphatidylcholine PC 16:1-36:3, phosphatidylcholine PC 26:0-22:4, phosphatidylcholine PC 26:0-22:3, phosphatidylcholine PC 47:5e, phosphatidylcholine PC 44:11e, phosphatidylcholine PC 16:0-24:5, phosphatidylcholine PC 20:2-20:3, phosphatidylcholine PC 40:10, phosphatidylcholine PC 38:9e, phosphatidylcholine PC 18:1-20:4, phosphatidylcholine PC 16:0-20:3, phenylacetaldehyde, dihydrouracil, nicotinamide, 4-methoxycinnamic acid, ketovaline, threonine, DL-3-aminoisobutyric acid, pyruvic acid, stachyose, caffeic acid, N, N-dimethylaniline, maltotriose, D(-)-gulonate-gamma-lactone, and L-asparaginase. The marker provided by the invention has good classification on metabolome data of patients suffering chronic obstructive pulmonary disease and healthy people, and can accurately distinguish the patients suffering chronic obstructive pulmonary disease from the healthy people.

The invention relates to an installation and closure construction method for a steel sliding roadway arch on the top surface of a steel trussed beam bridge. After two 80t beam erection cranes are used for hoisting a lower suspender of two internodes of a mid span to the mid-span node of the steel trussed beam, vertical and horizontal Bailey beams are immediately installed and oblique pulling equipment is also installed, so as to form a stable frame system; an upper suspender is hoisted and butt jointed with the lower suspender through drift pins and high strength bolts, and the upper suspender is also provided with a Bailey beam connection system and oblique pulling equipment, so as to form a stable structure; arch ribs and arch bracings are installed, after the two arch internodes of the mid span are enclosed, the two beam erection cranes respectively return back an internode, and steel turnbuckles and steel wires are used at intervals circularly as an arch internode after the oblique pulling equipment is erected and the like, until the closure bars of the arch springers are adjusted through abutment pier placement beams to realize arch springer closure. The method has the advantages of simple structure, convenient construction, short construction period, and low cost. The invention provides a simple and practical processing method for above-water and aloft suspender stabilization and closure construction in continuous construction for sliding roadway arches of steel trussed beams.

The present invention discloses a method for degradation of organic pollutant by using steel slag and photocatalysis, wherein the method is a method for treating organic pollutants through steel slag-oxalic acid photo Fenton. The method comprises: grinding steel slag to a certain particle size, placing the grinded steel slag in an oxalic acid solution with a certain concentration, placing an organic dye in a mixing system of the steel slag and the oxalic acid to form a reaction system of the steel slag, the oxalic acid and the organic dye, and placing the reaction system under an environment of sunlight or ultraviolet-visible light radiation to carry out photo Fenton degradation of the organic dye. The method has characteristics of simpleness, easy performing, low energy consumption, and easy generalization application, wherein the steel slag can be recycled.

The invention discloses a free-ranging poultry egg tracing system. The free-ranging poultry egg tracing system includes a cloud computing data center, a database server, a collector, RFID tags, printing equipment and two-dimensional code labels, wherein the cloud computing data center is connected with the collector through a network, the collector is arranged in a poultry nest, the RFID tags are arranged on feet of poultry, and the printing equipment prints out the two-dimensional code labels for poultry egg laying information reading. The invention also discloses a free-ranging poultry egg tracing method. The method comprises the following steps that: 1) the collector is arranged in the poultry nest, the RFID tags are arranged on the feet of the poultry, and poultry basic information is inputted into the cloud computing data center; 2) the collector transmits its own identification number and poultry numbers to the cloud computing data center); 3) the cloud computing data center carries out statistics on data of poultry which are laying eggs, and confirms egg laying states; 4) the two-dimensional code labels are printed; 5) the two-dimensional code labels are affixed to egg bodies; and 6) consumers can obtain a network link of poultry egg laying information through scanning the two-dimensional code labels. With the free-ranging poultry egg tracing system and method of the invention adopted, the problem of incapability of identifying an egg laying order can be solved. The free-ranging poultry egg tracing system and method of the invention have a great promotion value.

The invention discloses a shared bicycle area placement planning method based on two-level programming, which comprises the following steps: 1) acquiring planning basic information of a shared bicyclesystem to be provided with service; 2) constructing the generalized travel cost function of each travel route; 3) taking the optimal and user equilibrium of the shared bicycle network system as the upper model and the lower model, respectively, and establishing a shared bicycle regional placement planning model based on the two-level programming; 4) solving the placement planning model of the shared bicycle area to obtain the positions of placement points of each area and the scheme of the shared bicycle equipment. The invention provides a method for shared bicycle area placement, which can simultaneously determine the location and the scale of the placing area, provides scientific basis for the planning of the placing area and the prediction of the placement amount, and has practical popularization value.

The invention provides a belt scale material feed metering control device of successive, efficient and long trouble-free operation time for on-line industry application. In addition, a control method thereof is also disclosed. Compared with the prior arts, the provided belt scale material feed metering control device can measure the coke, pellet, ump ore and other kinds of materials separately, and the feed accuracy rate is 100%, and reduced the work intensity of the dispatcher. The present disclosure solves the multi material feed of a belt scale, the device can complete the data decomposition, query, parameter setting, measurement report, statistical analysis of all kinds of materials and other functions automatically, and obtain accuracy information collection and classification, and provides reliable measurement data for material balance and cost accounting of iron making system, has a very high popularization value.

The invention discloses a method for realizing a remote radiotherapy plan by combining a virtualized desktop and an SSL VPN, which comprises the following steps of: S1, starting a desktop cloud clientin a PC or notebook computer terminal, and carrying out an authentication process of a VPN SDK; S2, establishing the VPN connection for the client and the server and getting through an intranet access channel; S3, logging in the cloud desktop, and automatically pulling up the virtual machine system by the desktop cloud controller to be equivalent to remote desktop connection; and S4, skipping tothe PCAS server through the intranet cloud desktop server, or directly transforming the PCAS server into the virtual cloud desktop server, enabling the terminal access to be business images, and enabling all operations to be carried out on a rear-end terminal server, thereby realizing no data landing and reducing the risk of secret leakage. The SSL VPN is combined with the virtualization desktop to remotely publish, so that the network system can remotely and movably access specific server data without too much modification, and the access convenience and the data security are ensured.

The invention discloses a production process for cadmium-removed reproduced rice. Firstly, brown rice with the cadmium content of 0.2 mg / kg to 1.0 mg / kg is smashed into brown rice powder, then dissolution and centrifugal separation treatment are conducted, rice starch and rice protein are obtained and subjected to cadmium removal treatment, the cadmium-removed rice starch, the cadmium-removed rice protein and other nutrient substances are obtained, finally, mixing and extrusion pelleting treatment are conducted, and the cadmium-removed reproduced rice is obtained. The cadmium removal technology and the rice reproduction technology can be combined, the content of heavy metal cadmium in the rice is progressively reduced, the appearance of the rice is not affected, and the nutritional ingredients in the rice cannot be reduced.

The invention discloses a Bluetooth entrance guard monitoring system and a control method thereof. The principle is simple, an electronic entrance guard adopting the system and the control method fully considers the development of existing technologies, functions, such as information identification, data transmission, entrance guard monitoring program upgrading and the like, of the electronic entrance guard are realized after an APP (application) is installed in a smartphone, and the system can be better applied to various occasions which have certain requirements for the electronic entrance guard and are relatively sensitive to overall cost control, so that the system has higher promotion value.

The invention relates to the field of a lithium battery and especially relates to a battery body of a lithium battery and a prepared first lithium battery. The battery body of the lithium battery comprises a diaphragm bag containing an anode piece and a cathode piece; the anode piece and the cathode piece are both polygons with at least one set of opposite edges in parallel; the diaphragm bag containing the anode piece is a foldable diaphragm bag containing the anode piece, formed after a diaphragm bag is folded and the anode piece is hotly packaged. The battery body of the lithium battery provided by the invention can flexibly reserve the length of the diaphragm according to the design for the battery capacity and the battery thickness in the assembling process of the diaphragm bag containing the anode piece, so that the problems of easiness in short-circuit, unstable contact of pole pieces and poor battery performance in the assembling process of the battery are solved.

The invention discloses a silicon carbide porous ceramic material and a preparation method of the silicon carbide porous ceramic material. The preparation method comprises the following steps of firstly performing mechanical stirring on water glass, silicon carbide powder and water; then, performing ball milling to prepare slurry; next, immersing and hanging the slurry onto a template to obtain a pre-formed body; preserving the temperature for 24 to 36h at 40 to 100 DEG C; obtaining primarily solidified porous ceramics; finally, performing heating and heat preservation to obtain a finished product. The cost of the method is low; the prepared porous ceramic hole diameter and the porosity are controllable; the intensity is high; the chemical stability is high.

The invention provides a preparation method of an IL-6 reorganization monoclonal antibody. The preparation method comprises the following steps of performing immunization on a mouse with IL-6, after immunization, taking the spleen of the mouse, and preparing an unicellular suspension; screening memory B cells and pulp cells with a flow cytometry instrument; respectively culturing the obtained cells, adding the obtained culture supernatant in a culture device coated with the IL-6, continuing performing culturing, detecting cell strains secreting a specific antibody, and screening the antibody which can specially recognize antigen protein, and performing cloning; extracting total RNA on the obtained cells strains, performing reverse transcription to obtain cDNA, amplifying the variable regions of a heavy chain and a light chain of the antibody, and performing separate connection to a carrier; and then performing cell transfection, and producing the IL-6 reorganization monoclonal antibody. Through screening once, a large quantity of antibody sequences can be obtained, the gene information of the antibodies can be obtained, and the problems that cells in a hybridoma technique is low infusion rate and the antibody gene is lost, are solved.

The invention discloses a hole sealing method for a geological exploration borehole of a shield tunnel. The hole sealing method for the geological exploration borehole of the shield tunnel includes the steps that S1, backfilling of the lower portion of the exploration borehole is carried out; S2, a spiral pile body matched with the geological exploration borehole in a spiral mode is constructed inthe middle portion of the geological exploration borehole; and S3, backfilling of the upper portion of the exploration borehole is carried out. According to the hole sealing method for the geologicalexploration borehole of the shield tunnel, by adopting a spiral pile body structure for the first time, the sealing of the exploration borehole is realized. The spiral pile body is matched with the geological exploration borehole in a spiral mode, so that the interaction between the pile body and a ground layer and the pile body bearing capacity are increased. The whole hole sealing method has the advantages of simple process, energy saving and environmental protection, and has high feasibility, economy and popularization value.

The invention discloses a multifunctional seedling culture bed frame easy to transport and facilitating cultivation. The multifunctional seedling culture bed frame mainly comprises a seedling culture frame body, a push-and-pull seedling culture bed, a fixed seedling culture bed, seedling culture plates, fixing supports and rotating arbor wheels. The multifunctional seedling culture bed frame is mainly characterized in that the seedling culture frame body capable of being overlaid and individually moved is designed, and thus, the problem that nurseries are easy to crush during transport due to difficulty in overlaying is solved; the push-and-pull seedling culture bed can enable the grown seedlings to be integrally pulled out, so that the lighting problem of seedling culture at different periods is solved; the ingenious seedling culture plates are designed, and thus, during transplant of the raised seedlings, the roots are not easy to damage and an integral soil block is not easy to break by the people; the multifunctional seedling culture bed frame solves a series of problems about agricultural nursery cultivation, transport and transplant integrally and has extremely high promotional value.

The invention relates to a mutual inductor, which discloses an opening and closing type zero sequence current mutual inductor. The opening and closing type zero sequence current mutual inductor comprises a base and a pouring body arranged on the base, wherein the inside of the pouring body is provided with an annular iron core; the pouring body comprises a first pouring body and a second pouring body, wherein the first pouring body is positioned on the upper part; the second pouring body is positioned on the lower part; the first pouring body and the second pouring body are semicircular; the first pouring body and the second pouring body are subjected to butt joint to form a circular ring shape; the outer circumference surfaces of the first pouring body and the second pouring body are provided with a clamping hoop; and the first pouring body and the second pouring body are connected into a whole by the clamping hoops. The opening and closing type zero sequence current mutual inductor disclosed by the invention has the advantages of compact structure, small size, small consumable use amount, light weight, convenience in installation and use and higher economic practicality and popularization value.

The invention relates to a digital-controlled ball bear inner ring grooved railway multifunctional grinder, comprising a grinding wheel drive mechanism in transverse movement and a workpiece feeding mechanism in longitudinal movement, wherein, a workpiece box of the workpiece feeding mechanism is assembled with a workpiece planker in an articulated manner through an adjustable rotation shaft, and the rotary angular width of the workpiece is no less than 90 degrees corresponding to the workpiece planker. The digital-controlled ball bear inner ring grooved railway multifunctional grinder in the invention integrates the processing functions of the traditional special grinder, namely, the digital-controlled ball bear inner ring grooved railway grinder in 3M13 category with the digital-controlled thrust ball bearing ring grooved railway grinder in 3M10 category, can process all categories of ball bearing ring grooved railways in the machinable size range, has multiple functions, flexible maneuverability and strong adaptability, and can save production cost and space for enterprises to a greater extent. The invention also has simple structure improvement, convenient operation and higher popularization value and economic benefit.

The invention relates to the technical field of engineering geological hazard assessment, in particular to a multi-index system assessment method for hazard of slag dump. The method comprises the following steps of: 1) determining an investigation area of a slag dump; 2) carrying out geological survey on that dregs disposal site; 3) quantifying that slope conditions and the topography and geomorphology condition of the dregs dump site, and determining the properties of the dregs dump material and the geological condition indexes of the dregs dump site; 4) establishing a hazard evaluation modelincluding that slope condition of the slag dump, the properties of the slag dump materials, the meteorological condition of the slag dump site, the topographic and geomorphological condition of the slag dump site and the geological condition of the slag dump site, obtaining the hazard parameters of the slag dump site by weighted summation, and determining the hazard level of the slag dump site. The invention fully considers various parameters affecting the hazard of the slag dumping site, quantifies the parameters, obtains the hazard parameters of the slag dumping site by a weighted summationmode, classifies the hazard parameters according to the hazard parameters, and is convenient for engineers to grasp the hazard parameters quickly.

The invention relates to a green alkali-activated material for repair and protection. The green alkali-activated material is composed of 55%-70% of an alkali-activated active matter, 0-20% of concretewaste slurry powder, 1%-2% of a reinforcing component, 6%-10% of an alkali activator, 1.5%-2% of a water reducing component and the balance water, and the total mass of the green alkali-activated material is 100%. The material is high in early strength, high in fluidity and suitable for construction. Specifically, the concrete waste slurry powder can provide part of excitation alkalinity requiredby an early reaction, aluminosilicate in the waste residue powder has potential alkali-activated active matters, and has a good way of absorbing mixing plant waste residues. The fluidity of a geopolymer can be improved by doping the fly ash and silica fume, the yield stress of the slurry is reduced, and the fluidity required by repair and protection is met. The ultra-dispersed nano reinforcing material is doped, so that the filling effect can be achieved in the alkali-activated reaction process, the dissolution of aluminosilicate minerals is promoted, and the mechanical properties of the alkali-activated material are improved. The green alkali-activated material for repair and protection is low in cost and environmentally friendly, and has high promotable value.

The invention discLoses a tunneL unfavorabLe geoLogy surrounding rock comprehensive probing treating construction method. FirstLy, a comprehensive advanced probing technoLogy is utiLized to initiaLLydetermine a Large-size or super-Large size unfavorabLe geoLogic body, the unfavorabLe geoLogic body is taken as a 'bLack box' area, conditions of engineering geoLogy of an about 30 m range in front ofa face are probed in detaiL, the range is pre-reinforced to form 'advanced man-made surrounding rock', then tunneLing and excavation are conducted, in the process, probing dead areas are probed, andthe pre-reinforcing effect is detected; in order to ensure the safety of the face effect, the advanced man-made surrounding rock of 8-10 m needs to be reserved in front of the face and is taken as a reserved safe LaccoLite for the next circuLar probing treating construction. The method is appLicabLe to the construction of Large-size or super-Large size unfavorabLe geoLogy tunneLs, when the construction is conducted in a tunneL with the high safe risk, the principLes that 'excavation cannot be conducted before probing, and key parts shouLd be probed and reinforced' can be stuck to, the safety and quaLity of tunneL construction are ensured, and Larger popuLarizing vaLue is achieved in the construction of Large-size or super-Large size unfavorabLe geoLogy tunneLs.

The invention discloses a stay cable tensioning method for a cable-stayed bridge with optimal cable force in a construction process, which only needs to tension a stay cable once in a construction section, and can realize small cable force change and uniform cable force after bridge formation in the process. Meanwhile, the proposed method can avoid repeated iterative analysis, the optimized cableforce result is more reliable due to the consideration of the influence of shrinkage creep, material nonlinearity and the like in the process, and the method has important value and significance for tensioning of similar bridge stay cables and guidance of field construction; according to the novel cable-stayed bridge cable force optimization method provided by the invention, the cable-stayed bridge is used as an engineering object for analysis, the minimum variation of the cable force in the tensioning process is controlled, and meanwhile, the cable force value of the stayed cable after bridgeformation is uniform; the method is suitable for construction of all suspended and spliced cable-stayed bridge deck systems, the application range is very wide, and a basis is provided for optimization of the tensioned stay cables.

The invention discloses a high-utilization-rate extraction and processing method of wrinkled papaya. The method comprises the following steps: cutting fresh wrinkled papaya fruits, juicing, extracting SOD (superoxide dismutase) and papaya juice from separated papaya puree, and preparing oleanolic acid and animal feeds by using residual peels and fruit residues. In the whole process, all parts of the winkled papaya are utilized as much as possible, harmful organic solvents are introduced as less as possible, and wastes are generated as less as possible. Therefore, the method has the characteristics of high utilization rate and ecological environmental protection property, the technical support is provided for full utilization of the value of the wrinkled papaya, the economic value is brought to planters as much as possible, and the promotional value and the prospect are very high.

The invention discloses an all-position welding method for a stainless steel pipeline for oil and gas transmission. The all-position welding method comprises the following steps: clearing pipeline inner and outer walls of the stainless steel pipeline, and grooving, wherein grooves adopt dual-U-shaped designs; grinding and clearing the grooves, performing point fixation on the pipeline, clamping the pipeline, and mounting an all-position welding machine along a welding seam; and setting welding parameters and performing sectional positioning welding according to a point fixation position. The pipeline wall thickness h1 of the stainless steel pipeline is greater than or equal to 10 mm and smaller than or equal to 15 mm, opening width h2 between two grooves of the stainless steel pipeline isgreater than or equal to 8 mm and smaller than or equal to 12 mm, and root clearance width h3 between the grooves is greater than or equal to 0.2 mm and smaller than or equal to 0.5 mm, and truncatededge thickness h4 is greater than or equal to 1.3 mm and smaller than or equal to 2.0 mm; and each dual-U-shaped groove comprises an inclined surface section I, an arc surface section I, an inclined surface section II and an arc surface section II from outside to inside. The all-position welding method reasonably optimizes pipeline welding parameters, reasonably improves a welding cut structure, effectively improves welding quality of the welding seam, improves welding fusion depth, weld bead thickness and welding efficiency, and has a welding qualification rate of 99.6%.

The invention discloses a novel molecular marker and application thereof in preparing a kit for diagnosis and prognosis of head and neck cancer. RNA (Ribonucleic Acid) sequences of the novel molecularmarker are shown as SEQ ID NO:1 to SEQ ID NO:48. A mathematical model for diagnosing the head and neck cancer is constructed by taking the marker disclosed by the invention as a basis, and has the advantages of high sensitivity, good specificity and good diagnosis effect; AUC can be as high as 0.981; besides, 48 tRF fragments can be used as molecular markers for typing the head and neck cancer and predicting life expectancy of patients; head and neck cancer tumor samples are clustered into four subtypes according to tRFs expression in test data; the analysis of a survival curve shows that thelife expectancies of the subtypes have significant difference. The novel tRF molecular marker disclosed by the invention has good characteristics of diagnostic indicators and higher clinical use andpopularization value, and can be effectively used for diagnosis, typing and prognosis of the head and neck cancer.

A solar lighting pen comprises a solar receiver, an energy converter, a cell, a power supply switch, a flexible cord and an illuminating lamp which are serially connected and integrally connected with the pen by a screw thread. The solar receiver is arranged on the top end of the pen; the acquired heat energy is converted by the energy converter into electric energy for charging the cell; when a person needs to use the illuminating lamp, the lighting function can be realized only by pressing the power supply switch to power on the illuminating lamp. If an illuminating angle needs adjustment, the adjustment can be achieved by only pulling the flexible cord, which facilitates people very well.

The invention relates to high-hardenability 35SiCrMnMoB steel for wear-resistant parts of engineering machinery. The high-hardenability 35SiCrMnMoB steel comprises the following chemical components in percentage by weight: 0.32 to 0.38 percent of C, 1.20 to 1.50 percent of Si, 1.20 to 1.40 percent of Mn, 1.00 to 1.30 percent of Cr, 0.020 to 0.050 percent of Ti, 0.0010 to 0.0040 percent of B, 0.20 to 0.30 percent of Mo, less than or equal to 0.010 percent of S, less than or equal to 0.025 percent of P, less than or equal to 0.20 percent of Cu, less than or equal to 0.020 percent of Al, less than or equal to 0.0060 percent of N and the balance of Fe and inevitable impurities. The invention discloses high-hardenability hot-rolled round steel and a manufacturing method. The hardenability of the steel meets the requirement that J25 is larger than or equal to 48 HRC, and the high-hardenability hot-rolled round steel is used for manufacturing engineering machinery wear-resistant parts subjected to quenching and low-temperature tempering treatment. The high-silicon design can significantly improve the hardness of the quenched and tempered surface of the steel while ensuring the improvement of the hardenability, and improves the wear resistance.

The invention discloses application of a novel molecular marker to the preparation of a kit for diagnosis and prognosis of renal clear cell carcinoma. The RNA sequence of the novel molecular marker isshown in SEQ ID NO: 1 to SEQ ID NO: 57. A mathematical model for diagnosis of renal clear cell carcinoma is constructed by taking the marker as a base; the model is high in sensitivity and good in specificity, AUC can be as high as 0.997, and the diagnosis effect is good. In addition, 57 tRF fragments can serve molecular markers for classifying renal clear cell carcinoma and predicating the survival periods of patients; in test data, a renal clear cell carcinoma tumor sample is clustered into 3 subtypes according to rRFs expression, and survivorship curve analysis shows that the survival periods of the subtypes have obvious difference. The novel tRF molecular marker has excellent diagnosis index characteristic, can be effectively applied to the diagnosis, classification and prognosis of renal clear cell carcinoma, and has high clinical application and promotion values.