54results about How to "Reduce the number of additions" patented technology

The invention provides an engine oil composition for improving oil loss or engine oil combustion of German automobiles. The engine oil composition comprises 63 to 78 weight percent of dodecyl carbon poly alpha-olefin base oil, 2 to 15 weight percent of ester base oil, 0.1 to 0.3 weight percent of pour point depressant, 8 to 10 percent of viscosity index improver and 10 to 13 weight percent of synthetic oil composite additive. The engine oil composition provided by the invention has low Noah gram value and low consumption in use, is not easy to produce 'engine oil combustion', reduces the adding times of engine oil, and reduces the maintenance expense at the same time of bring convenience to a driver. Proved by experiments, the Noah gram value of the engine oil composition is less than 4; and when the engine oil composition is used for an Audi series automobile with serious 'engine oil combustion', the engine oil is kept above the middle line by examination with an engine oil scale after the automobile runs for 5,000 kilograms.

The invention relates to a phase-change temperature control type fuel assembly for a non-combustion type low temperature cigarette and a preparing method thereof. The fuel assembly comprises a fuel element and a fuel element embedding sleeve. The fuel element is made of carbonaceous raw materials which include the bamboo carbon and the cryptocrystalline graphite. The fuel element embedding sleeve is arranged outside the fuel element in a sleeving mode. An annular cavity is formed between the fuel element embedding sleeve and the fuel element. According to the fuel assembly and the preparing method, a method for controlling the excessively-high temperature output of the fuel element through phase-change heat storage materials, and in the free space which is located between the inner surface of the embedding sleeve and the outer surface of the fuel element and forms the annular cavity, adsorption, oxidation and catalysis are carried out on CO under the thermo-electric effect of tourmaline and the electrostatic effect and the adsorption effect of a self-power-generation electrode. By means of the fuel assembly and the preparing method, the combustion performance and the safety performance of the fuel element and the manufacturing efficiency can be improved.

The invention discloses the production equipment of a multi-H-shaped coarse-denier porous POY filament and a manufacturing method thereof. The production equipment comprises spinning box bodies, a ring blowing cooling device, an oiling device, a spinning channel, a winding machine and a plurality of heating medium pipeline system devices used for melt conveying in a spinning process, wherein the spinning box bodies, the ring blowing cooling device, the oiling device, the spinning channel and the winding machine are successively arranged from top to bottom. The manufacturing method comprises the following steps of using the above production equipment to produce; making molten polyester melt pass through the melt pipes of the heating medium pipeline system devices to enter into each spinningbox body; after passing through a metering pump and a spinning component, extruding a nascent fiber; and passing through the ring blowing cooling device, the oiling device and the spinning channel, finally winding into a spinning cake. A temperature in the spinning box bodies can be rapidly increased, and the temperature can be accurately controlled, balanced and uniformed, product quality is ensured, energy consumption is reduced, and production efficiency and the abnormity degree of products are increased, which is good for rear channel processing.

The invention discloses a time sequence repairing method for a chip circuit. The method comprises the steps: determining a virtual region corresponding to a drive unit in the chip circuit, and dividing the virtual region into a plurality of virtual subareas with the same area through N virtual lines; setting the virtual subarea containing the most fan-out units as a target area, and executing buffer adding operation in the target area; after the buffer adding operation is executed, if the target area does not accord with the time sequence design rule constraint, taking the buffer as a new driving unit, and executing the operation of determining the virtual area corresponding to the driving unit in the chip circuit. According to the method, the timing sequence design rule constraint violation in the chip circuit can be repaired on the premise of reducing the adding number of the buffers. The invention further discloses a time sequence repairing system of the chip circuit, electronic equipment and a storage medium, which have the above beneficial effects.

The invention discloses a convolutional filtering optimizing method based on linear texture filtering. The method comprises the following steps of: dividing a convolutional filter into two one-dimensional filters if the convolutional filter can be separated; inspecting the weights in a convolution kernel and pairing two adjacent weights of which the values are not zero and the sizes are same so as to ensure that paired weights in the whole convolution kernel are as many as possible; calculating the paired weights to acquire coordinate offset amount required by the linear texture filtering and a new weight; performing texture searching according to the coordinate offset amount in a mode of linear texture filtering; multiplying the acquired texture value by the corresponding new weight to acquire an action result of the paired weight in the convolutional filtering; performing normal convolutional filtering on the weights which are not paired; and adding the filtering results with the results of the paired weight to acquire the whole convolutional filtering result. By the convolutional filtering optimizing method, a linear texture filtering function of a modern ground power unit (GPU) is utilized, and the times for performing texture searching, multiplication and addition which are required for convolutional filtering in the real-time image rendering process are reduced, so that the aim of improving the convolutional filtering efficiency is fulfilled.

The invention relates to the technical field of floor mat materials, and particularly relates to an environment-friendly thermoplastic elastomer foamed floor mat material and a preparation method thereof. The environment-friendly thermoplastic elastomer foamed floor mat material sequentially comprises a surface treatment layer, a TPU film layer, a surface PU bonding layer, a reinforced fiber screen cloth layer, a bottom surface PU bonding layer and a TPE foaming layer. According to the invention, properties of the TPU material and the TPE material are integrated; the prepared environment-friendly thermoplastic elastomer foamed floor mat material is moderate in hardness, high in intensity and elasticity, and good in toughness, and has the characteristics of good anti-bacterial mildew resistance, slip resistance, flame retardance and the like.

The invention discloses a circulating type multifunctional air conditioner humidifier. A circulating humidification assembly is mounted at one end of a shell of an air conditioner indoor unit, a watertank is mounted at one end of the shell of the air conditioner indoor unit, water spray outlet pipes are uniformly mounted at the bottom end of a humidifying pipe in a penetrating manner, an ultrasonic atomizer plate is mounted at the bottom end in the water tank, a backflow assembly is mounted between the bottom end of a guide pipe and the humidifying pipe, a connecting pipe is mounted at one end of a backflow box, a backflow pipe is connected with a water outlet end of a micro water pump, a mounting assembly is arranged between the shell of the air conditioner indoor unit and the water tank, an iron plate is bonded with the position, close to a magnetic plate, of the side surface of the water tank, and an anti-overflow assembly is mounted in the position, located on the side surface ofa filter screen, in the water tank. According to the circulating type multifunctional air conditioner humidifier, condensate water is collected by the circulating humidification assembly and then is atomized and humidified, recycling is realized, water in the humidifying pipe is collected through the backflow assembly, so that the utilization rate of water is increased, the adding times of water are reduced, abnormal water spray output caused by too much water is prevented by the anti-overflow assembly, a water spray outlet pipeline is cleaned by a cleaning assembly, and normal operation of the circulating humidification assembly is guaranteed.

The invention discloses a high-CTI, high-heat-resistance, halogen-free and flame-retardant PC / ABS composition and a preparation method thereof. The composition comprises the following raw materials in parts by weight: 65-90 parts of polycarbonate, 3-10 parts of ABS resin, 4-10 parts of self-made phosphosilicate polymer, 3-10 parts of modified porous material, 1-5 parts of thickening agent, 0.1-0.3 part of antioxygen, 0.3-0.7 part of anti-dripping agent, and 0.2-0.5 part of lubricating agent. According to the high-CTI, high-heat-resistance, halogen-free and flame-retardant PC / ABS composition,the defects of low CTI, high dosage of phosphorus based flame retardant, low flame retarding performance and low thermal deformation temperature of a traditional halogen-free flame-retardant PC / ABSresin are solved; the complex system of the self-made phosphosilicate polymer and the porous material is selected, and a continuous net shaped carbon layer structure is formed through an electric field and electrolyte, so that the resin is high in CTI, and high in thermal deformation temperature; the thermal deformation temperature of the prepared PC / ABS composition is up to 113 DEG C, and the CTI is up to 450V.

A safe beehive capable of controlling bees to fly in and fly out comprises a main box body and a box cover and is characterized by comprising an auxiliary box body arranged between the main box body and the box cover, wherein at least one feeding chamber is arranged in the auxiliary box body, and an inverted U-shaped or V-shaped cavity is formed in the at least one feeding chamber; a first channel communicating the main box body with one end of the cavity and a second channel communicating the auxiliary box body with the other end of the cavity are formed in the feeding chamber. The safe beehive has the benefits as follows: the bees can be kept in the feeding chamber by feed and cannot fly out of the main box body due to the ingenious structural design of the cavity in the feeding chamber, so that vegetable or fruit growers can be prevented from being stung by the bees in the feed addition process, the integrity of a swarm is guaranteed, and pollination work is finished smoothly; the feeding chamber can be integrated with the auxiliary box body during manufacturing, the assembly cost is reduced, alternatively, the feeding chamber can be detachably mounted in the auxiliary box body, and the bees drown in the feed can be learnt about conveniently.

The invention discloses a high-temperature emulsifier applied to oil-based drilling fluids and a preparation method of the high-temperature emulsifier, and belongs to the technical field of petroleumdrilling fluids. The high-temperature emulsifier comprises, by mass, 10-45% of fatty acid amide, 30-60% of oxidized fatty acid, 10-30% of Malay acidized tall oil fatty acid, 5-20% of rheological property regulators and 10-30% of mineral oil. The total percentage of the raw materials is 100%. The preparation method includes mixing the fatty acid amide with the oxidized fatty acid, the Malay acidized tall oil fatty acid, the rheological property regulators and the mineral oil, stirring the raw materials at the temperature of 60 DEG C for 1-2 hours of reaction, and discharging the mixture to obtain the high-temperature emulsifier. The high-temperature emulsifier has the advantages of high temperature resistance, high demulsification voltage, low filter loss, capability of stabilizing a drilling fluid system, low adding amount, convenience and effectiveness in use, convenience in popularization and application, and the like. The preparation method has the advantages of simple procedure andstep, convenience in production and greatly reduced production cost.

A method for producing cast iron by adopting electric furnace blowing smelting and purification comprises the following steps: 1, adding an iron-containing raw material and auxiliary materials into a furnace in a charging proportioning stage; 2, heating and making oxidizing slag in a preliminary melting stage; 3, blowing gas to the above obtained melt and making the oxidizing slag in an oxygen blowing heating oxidation stage; 4, blowing the gas to the melt and making reducing slag in a blowing purification and reduction stage; and 5, carbonizing iron or graphitizing. O2 is blown to provide oxidizing atmosphere and is used for oxidizing impurities, a large amount of impurities are carried by the upward floatation of a CO gas in the oxidation and reduction process, and N2, CO2 and Ar blown in the invention are used to eliminate harmful gases and the impurities carried by the upward floatation. Various iron and steel scraps are effectively decomposed through a redox chemical reaction and various high temperature stirring, blowing purification and evacuation modes in order to eliminate various impurities in the iron-containing raw material and the auxiliary materials and impurities generated in the production, eliminate the harms of low melting point elements, high melting point elements, nonmetal inclusions and gases and enlarge the application range of the cast iron raw materials.

The invention provides a method for producing an organic fertilizer from livestock manure in a harmless manner. The method comprises the processes of pretreatment and fermentation, wherein the pretreatment process comprises the following steps: firstly, spreading fermentative strains on fresh livestock manure, and controlling the mass ratio of the fresh livestock manure to fermentative strains to be 1000: (1-3) once every 2-6 days; secondly, fermenting for 1-7 days and adjusting the water content to complete the pretreatment process. The technical problems of the technology for producing organic fertilizer from fresh livestock mature in the prior art that the fermentation time is long, the plant is odorous and the environmental pollution is easily caused are solved. According to the method for producing organic fertilizer from livestock manure in a harmless manner, fresh livestock mature is directly subjected to fermentation pretreatment in advance to be partially fermented, so that odor produced by mature and environmental pollution can be greatly reduced; the scattered fermentative microbial strains do not need to be stirred; after pretreatment, secondary fermentation is carried out on the strains, therefore, the fermentation speed is improved, and the time cost is reduced; the addition times and the dosage of the stains can be reduced by more than half, and the cost is reduced; after the organic fertilizer is applied to crops, an obvious yield-increasing effect is achieved.

The invention discloses a yarn guiding wheel convenient for lubrication. The yarn guiding wheel comprises a yarn guiding wheel body, wherein the middle part of the yarn guiding wheel body is a shaft hole, a circular yarn guiding groove is formed along the circumferential direction of yarn guiding wheel body, the shaft hole is shaped by casting, and oil grooves are formed on the inner wall of the shaft hole. In the invention, the yarn guiding wheel convenient for lubrication is disclosed; the yarn guiding wheel has unique structure design; multiple oil grooves are formed on the inner wall of the shaft hole of the yarn guiding wheel, thus the lubrication of a fixed shaft is convenient; and meanwhile, the oil grooves can be used for storing quantitative lubricating oil, thus the addition frequency of the lubricating oil is reduced, the use performance of the yarn guiding wheel is effectively improved, and the service life of the yarn guiding wheel is effectively prolonged.

A safe beehive for pollination comprises a first box body and a box cover and is characterized by further comprising a second body arranged between the first box body and the box cover; one or more feeding chambers are arranged in the second box body; each feeding chamber is provided with an inverted U-shaped or V-shaped cavity and is further provided with a first channel communicated with the first box body and one end of the cavity, and a second channel communicated with the second box body and the other end of the cavity. The safe beehive has the benefits as follows: 1, the cavities in the feeding chambers are ingenious in structure and enable bees to be blocked in the feeding chambers by liquid feed, and thus the bees cannot fly out of the box body, so that a vegetable grower or fruit grower is prevented from being stung by the bees in the liquid feeding adding process, the integrity of the swarm is ensured, and the work of pollination can be completed smoothly. 2, the feeding chambers can be made integrally with the second box body, so that the assembly cost is reduced; in addition, the feeding chambers can be mounted in the second box body detachably, so that bees drown in the liquid feed can be removed conveniently.

The invention provides an idling protection device of a plastic pump, and belongs to the technical field of water pumps. The idling protection device of the plastic pump solves the technical problem that due to the fact that an existing plastic pump idles, bearings are damaged. According to the idling protection device of the plastic pump, the plastic pump comprises a pump body, an impeller, a pump cover, a support, an isolation sleeve, an inner magnet rotor, a main shaft, an outer magnet rotor and a motor. The isolation sleeve is fixedly arranged on the support, the pump cover is fixedly arranged on the isolation sleeve, a cavity is formed by the pump cover and the isolation sleeve, and an exchange hole which is used for guiding water to enter the cavity is formed in the isolation sleeve.The main shaft is arranged on the isolation sleeve and the pump cover, the impeller is fixedly arranged at one end of the main shaft, the inner magnet rotor is fixedly arranged at the other end of the main shaft, and rolling bearings are arranged at the two ends of the main shaft. The motor and the support are fixed, and the outer magnet rotor which drives the inner magnet rotor to rotate is fixedly arranged on an output shaft of the motor. The pump body is fixedly arranged on the support, a water flow cavity is formed by the pump body and the pump cover, and the impeller is located in the water flow cavity. The idling protection device of the plastic pump has the advantage that the phenomenon that the plastic pump idles, the bearings are damaged is avoided.

A beehive used for pollination of fruits and vegetables in a greenhouse comprises a main box body and a box cover and further comprises a feeding box arranged between the main box body and the box cover, wherein a channel allowing bees to fly in and fly out is formed in the feeding box; one end of the channel is communicated with the main box body, and the other end of the channel can be subjected to liquid seal by feed put in the feeding box. The beehive has the benefits as follows: 1, cavity structures in feeding chambers ingeniously prevent bees from flying out of the box body due to the fact that the bees are kept in the feeding chambers by the feed, accordingly, vegetable planters or fruit planters are prevented from being stung by the bees in the feed adding process, the completeness of a swarm is guaranteed, and pollination work is finished smoothly; 2, the feeding chambers can be integrated with the feeding box, and the assembly cost is reduced; alternatively, the feeding chambers can be detachably mounted in the feeding box, and the bees drowning in the feed can be cleared away.

The invention relates to a disinfection machine, in particular to a hospital corridor positioning track hidden disinfection machine. The aim of the invention is to provide the hospital corridor positioning track hidden disinfection machine. According to the hospital corridor positioning track hidden disinfection machine, the water storage capacity is large, workers do not need to bear loads, the spraying area is large, operation is easy, advancing and automatic returning can be conducted according to a designated route, and automatic storage can be achieved. According to the technical scheme,the hospital corridor positioning track hidden disinfection machine comprises a rack sliding groove, a disinfection rack, a motor supporting plate, a power motor and the like, wherein the rack slidinggroove is fixed to a wall body; the rear side of the disinfection rack slides on the rack sliding groove; the motor supporting plate is fixedly connected to the disinfection rack; and the power motoris fixedly connected to the motor supporting plate. According to the invention, the loads can be mechanically borne, the spraying coverage area is large, and a sprayer does not need to be manually carried on the back for disinfection, so that the working intensity of the workers is relieved, and the working efficiency is improved.

The invention discloses a special multiple-effect quality modifying agent used for a sour and spicy flavor meat product, and application of the special multiple-effect quality modifying agent. The multiple-effect quality modifying agent comprises the following raw materials in parts by weight: 25-30% of sodium tripolyphosphate, 10% of disodium hydrogen phosphate, 21-26% of sodium bicarbonate, 10-15% of sodium citrate, 10-11% of sodium hexametaphosphate, 5-10% of glycine, 3-5% of ethyl maltol and 3-8% of tea polyphenol. The use method of the special multiple-effect quality modifying agent comprises the following six main steps in sequence: processing the raw materials, preparing the quality modifying agent, adding quality modifying agent to carry out rubbing and rolling, then, adding sour and spicy pickling materials to carry out rubbing and rolling seasoning, carrying out pickling, and carrying out quick-freezing. The special multiple-effect quality modifying agent disclosed by the invention can be used for various categories of sour and spicy flavor meat products to improve a water holding capacity and prevent the sour and spicy flavor from being neutralized, in addition, color protection, fishy smell removal and water retention are combined into a whole, one modifying agent can realize various functions, and operation is simple. On a premise that the yield of the product is improved, the sour and spicy flavor is improved, colors are improved, and a fishy smell is removed. In addition, the special multiple-effect quality modifying agent has a low-phosphorus formula, the content of phosphorus in the meat product can be effectively lowered, and the problems of calcium and phosphorus ratio imbalance and the like of the human body due to excessive intake of phosphorus canbe avoided.

The invention discloses a high-CTI, high-heat-resistance, halogen-free and flame-retardant PC / ABS composition and a preparation method thereof. The composition comprises the following raw materials in parts by weight: 65-90 parts of polycarbonate, 3-10 parts of ABS resin, 4-10 parts of self-made phosphosilicate polymer, 3-10 parts of modified porous material, 1-5 parts of thickening agent, 0.1-0.3 part of antioxygen, 0.3-0.7 part of anti-dripping agent, and 0.2-0.5 part of lubricating agent. According to the high-CTI, high-heat-resistance, halogen-free and flame-retardant PC / ABS composition,the defects of low CTI, high dosage of phosphorus based flame retardant, low flame retarding performance and low thermal deformation temperature of a traditional halogen-free flame-retardant PC / ABSresin are solved; the complex system of the self-made phosphosilicate polymer and the porous material is selected, and a continuous net shaped carbon layer structure is formed through an electric field and electrolyte, so that the resin is high in CTI, and high in thermal deformation temperature; the thermal deformation temperature of the prepared PC / ABS composition is up to 113 DEG C, and the CTI is up to 450V.

The invention provides flame-retardant polyurea for a new energy automobile, which is characterized in that phosphorus-silicon-lanthanum-zinc-aluminum hydrotalcite is used as a flame retardant, and the phosphorus-silicon-lanthanum-zinc-aluminum hydrotalcite has a sandwich structure; comprising a lanthanum ion layer, a zinc ion layer and an aluminum ion layer, and the middle layer comprises hydroxyl and phosphorus-containing negative ions. Five elements in the phosphorus-silicon-lanthanum-zinc-aluminum hydrotalcite have a synergistic effect, so that a good flame-retardant effect is achieved, the dosage of the required flame retardant is greatly reduced, and the flame-retardant property and flame-retardant efficiency of the polyurea are improved.

The invention discloses a low-energy-consumption raw cotton mixing device which comprises a body and a motor. A storage plate is arranged on the upper surface of the body through pins, a baffle is arranged on one side of the storage plate, a feeding port is formed in the inner side of the baffle, partitions are fixedly mounted on two inner sides of the body, a first roller and a second roller are mounted in the body through bearings, one end of the first roller is provided with a first gear, one end of the second roller is provided with a second gear, the second gear is meshed with the first gear, a third gear is arranged on one side of the second gear, a discharge port is formed in the lower end of the body, supporting legs are arranged at the bottom of the body, a motor is mounted at the lower end of one side of the body, the output end of the motor is connected with a fourth gear through a rotating shaft, and the fourth gear is meshed with the third gear. According to the mixing device, raw cotton cannot be added into a mixing box in a stacked manner, and mixing efficiency and mixing quality are improved.

The invention discloses a low-cost emulsifying agent applied to an oil-based drilling fluid and a preparation method thereof, and belongs to the technical field of petroleum drilling fluids. The low-cost emulsifying agent comprises the following raw materials in percentages by weight: 45% to 70% of oxidized fatty acid, 15% to 40% of malefic tall oil fatty acid, 5% to 30% of oleic acid and 1% to 5%of octadecyl sodium alkyl benzene sulfonate, wherein the total weight percentage of the raw materials is 100%. The preparation method comprises the following steps: mixing oxidized fatty acid, malefic tall oil fatty acid, oleic acid and octadecyl sodium alkyl benzene sulfonate, carrying out a stirring reaction at the temperature of 60 DEG C for 1 to 2 h, and discharging to obtain the low-cost emulsifying agent. The emulsifying agent disclosed by the invention has the advantages of low cost, high emulsion-breaking voltage, low filter loss and the like, a drilling fluid system can be stable, and the emulsifying agent is small in additive amount and convenient and effective to use and is convenient for popularization and application. The preparation method disclosed by the invention is simple in working procedures, simple in steps and convenient in production, and the production cost is greatly reduced.

The invention discloses a U-shaped circular type adjustable multi-spindle tool with lubricating grease convenient to add. The U-shaped circular type adjustable multi-spindle tool comprises a base; grooves are formed in the two ends of the outer wall at the top end of the base; rolling wheels are connected to the inner walls of the two grooves in a sliding mode; hydraulic oil cylinders are fixed tothe top ends of the two rolling wheels through bolts; a motor is fixed to the outer wall of one side of one of the hydraulic oil cylinders through a bolt; a supporting frame is fixed to one ends of piston rods of the two hydraulic oil cylinders through bolts; a transverse moving motor is fixed to the outer wall of one side of the supporting frame through a bolt; and circular openings are formed in the inner walls of the two sides of the supporting frame. The U-shaped circular type adjustable multi-spindle tool has the advantages that an oil tank is additionally arranged, the oil tank only needs to be filled with the lubricating grease, and therefore the production efficiency can be improved; and the rolling wheels capable of rolling, the transverse moving motor and a screw rod are additionally arranged, vertical and transverse reciprocating adjustment can be carried out in the machining process, so that the workload of operators can be greatly reduced, the lubricating grease can be conveniently added, and therefore the production efficiency can be greatly improved.

The invention discloses a looped network switch cabinet, and belongs to the field of high-voltage equipment, and the looped network switch cabinet can realize that when a circuit board is burnt out, a control base makes a response through the induction of a flame inductor, and then the control base drives an electric telescopic rod to press a push plate downwards, so that the push plate slides in a fixed frame and extrudes liquid carbon dioxide, the liquid carbon dioxide is injected into the injection pipeline through a connector, then the liquid carbon dioxide is guided by the spray head to extinguish the position where a circuit of the circuit board is burnt out, and after the spray head sprays out the liquid carbon dioxide to extinguish fire, the spray head can rotate to cover the circuit board, so that the fire extinguishing efficiency is higher; the burnt residual flames are not easy to affect other parts, then a flame sensor is used for sensing and timely feeding back to stop extrusion of the push plate, and in order to reduce the adding frequency of the liquid carbon dioxide in the fixing frame, the push plate extrudes a main balloon to release the liquid carbon dioxide in the main balloon into the fixing frame.

The invention relates to the technical field of high polymer materials, and particularly discloses a high-performance halogen-free flame-retardant PC / CNT conductive material and a product thereof. According to the high-performance halogen-free flame-retardant PC / CNT conductive material. 100 parts by mass of a conductive material finished product comprises the following components in parts by mass: 20-90 parts of polycarbonate; 3 to 7 parts of carbon nanotubes; and 6.5 to 14 parts of a flame retardant. According to the high-performance halogen-free flame-retardant PC / CNT conductive material and the product thereof disclosed by the invention, the carbon nano tube is used as a conductive medium, so that the conductive material has relatively good antistatic performance, the flame-retardant grade reaches 1.0 mm V-0, more than 50% of relatively good physical characteristics of the conductive material are retained, and the obtained product has relatively good antistatic performance, flame retardance and impact resistance.

The invention discloses an alloy material for manufacturing bearing inner rings. The alloy material is characterized by comprising the following components in percentage by weight: 30 to 50% of iron, 6 to 8% of manganese, 10 to 30% of aluminum, 1 to 8% of lithium, 3 to 10% of zinc, 1 to 5% of molybdenum, 1 to 5% of zirconium, 0.3% to 2% of carbon, and 10 to 20% of nano graphite. The alloy material can improve the antioxidant performance and anticorrosion performance of bearing, can achieve a self-lubricating effect, reduces the addition frequency of lubricant, and prolongs the service life of bearing.

The invention discloses a novel transformer heat dissipation box which comprises a box body, a transformer is sleeved with the box body, an annular cooling cavity is formed between the inner wall of the box body and the outer wall of the transformer, and an annular water collection platform communicated with the annular cooling cavity is formed at the top of the box body. Annular water storage cavities communicated with the annular cooling cavity are formed in the middle of the inner wall of the box body and in the position close to the bottom of the box body respectively, a plurality of heat dissipation sets are evenly distributed on the outer wall of each annular water storage cavity in the annular direction, and each heat dissipation set comprises three heat dissipation rods formed by protruding the outer wall of the corresponding annular water storage cavity upwards and downwards respectively. The heat dissipation box has the advantages that the heat dissipation fins are structurally designed to be formed in the mode that the outer wall of the annular water storage cavity protrudes upwards and downwards, efficient heat dissipation is achieved, and the occupied area of the heat dissipation box is greatly reduced while the heat dissipation effect is not reduced through the structure.

A beehive used for pollination of fruits and vegetables in a greenhouse comprises a main box body and a box cover and further comprises a feeding box arranged between the main box body and the box cover, wherein a channel allowing bees to fly in and fly out is formed in the feeding box; one end of the channel is communicated with the main box body, and the other end of the channel can be subjected to liquid seal by feed put in the feeding box. The beehive has the benefits as follows: 1, cavity structures in feeding chambers ingeniously prevent bees from flying out of the box body due to the fact that the bees are kept in the feeding chambers by the feed, accordingly, vegetable planters or fruit planters are prevented from being stung by the bees in the feed adding process, the completeness of a swarm is guaranteed, and pollination work is finished smoothly; 2, the feeding chambers can be integrated with the feeding box, and the assembly cost is reduced; alternatively, the feeding chambers can be detachably mounted in the feeding box, and the bees drowning in the feed can be cleared away.