63results about How to "Great usability" patented technology

The invention relates to an AlCrSiN-based multilayer nanometer composite cutter coating layer and a preparation method thereof, and belongs to the technical field of preparation of cutter coating layers. A cutter basal body of the AlCrSiN-based multilayer nanometer composite cutter coating layer adopts a WC-Co hard allot or high-speed steel; the coating layer structure comprises a Ti metal bonding layer, an AlTiN transition layer and an AlCrSiN main wear resistant layer, wherein the AlTiN transition layer consists of 29-35 at.% of aluminum, 15-20 at.% of titanium, and 47-51 at.% of nitrogen; and the AlCrSiN main wear resistant layer consists of 25-30 at.% of aluminum, 20-25 at.% of chromium, 1-10 at.% of silicon, and 45-50 at.% of nitrogen. The transition layer AlTiN coating layer is prepared by a high-power pulse magnetron sputtering technology; and the AlCrSiN coating layer is prepared by an arc ion plating technology. The AlCrSiN-based multilayer nanometer composite cutter coating layer has the advantages of high hardness, low friction coefficient, low internal stress, high bonding strength and good high-temperature stability; a deposition coating cutter is suitable for cutting a high-hardness steel material under the condition of high speed; and the service life of the cutter can be largely prolonged.

The invention discloses a multilayer nanometer composite cutting tool coating and a preparation method thereof. The surface of a cutting tool substrate is coated with a titanium nitride transition layer by using physical vapor deposition technology and is then alternately and periodically coated by multiple layers of an aluminum-titanium-silicon nitride coating and an aluminum-chromium-nitrogen coating, wherein the thickness of the titanium nitride transition layer is 0.1 to 0.5 mu m, the thickness of each layer of the aluminum-titanium-silicon nitride coating and the aluminum-chromium-nitrogen coating is 0.1 to 0.5 mu m, and the substrate is coated by 4 to 20 layers, thereby forming the AlTiSiN / AlCrN nanometer composite cutting tool coating with a multilayer structure. According to the invention, the crystal size of the coating is in a range of 5 to 15 nm, the total thickness of the coating is 1 to 6 mu m, the microscopic hardness of the coating is 25 to 40 GPa, and high temperature stability reaches more than 1050 DEG C. A cutting tool prepared by using the coating has greatly improved resistance to mechanical wear and high temperature oxidation resistance and can meet demands of high speed processing for better performance of a cutting tool material.

The invention discloses a wireless communication implantable medical system and a wireless communication method thereof. An implantable medical device has at least two operating states of a sleeping interception operating state and an awakening operating state, the implantable medical device is in the sleeping interception operating state once powered on, each cycle period of the sleeping interception operating state comprises at least one interception period and at least one sleeping period, a power source of a first wireless communication module in the sleeping state is in a low energy consumption operating state, so that electric energy consumption is greatly reduced, the service life is prolonged, and great economical and using values are provided. When a doctor needs to perform program control on the internal implantable medical device through an external control device, the external control device sends an awakening signal to the implantable medical device, the implantable medical device starts the awakening operating state and achieves wireless high speed communication with the external control device, energy consumption is saved, and real-time responsiveness of the implantable medical device is guaranteed simultaneously.

The invention discloses a remote control device and a remote control method for a computer power supply plugboard. A turn-on key and a turn-off key of a power supply of the computer power supply plugboard are arranged on a mouse, the on-off of the power supply of the power supply plugboard is controlled in a wireless remote control mode, and the turn-on key of the power supply is a panel turn-on key with turn-on function when a computer is in power off, standby and dormancy. When the computer is in the power off, the standby and the dormancy, all sockets on the power supply plugboard are powered down in the set time. The remote control device and the remote control method have the remarkable characteristics that the turn-on key and the turn-off key of the power supply and the mouse are integrated together, a power supply of a host computer is turned on by using the turn-on key of the power supply on the mouse and synchronously the computer is started, and the power supply of the host computer is turned off by using the turn-off key of the power supply on the mouse so as to radically solve the problem that the power supply of the host computer is turned off by pressing a switch on a power supply socket and simultaneously solve the problem that the on-off of the power supply of peripheral devices used in clearance is controlled by the turn-on key of the power supply and the turn-off key of the power supply on the mouse when the computer is fully started; and the energy is saved, and the usage is convenient.

The invention discloses an engineering vehicle overspeed stop device and a control method thereof. The device consists of a controller, an electronic clock, an oil supply solenoid valve, a buzzer warning circuit and a wheel speed sensor. The method comprises the following steps: detecting the electronic clock by using an electronic system to judge an engineering vehicle runs in the day or in the night, setting different highest speed limit values and common speed limit values, and periodically detecting a speed signal output by the wheel speed sensor currently in a periodical interruption mode; and converting the speed signal into the current speed signal, comparing whether the speed signal is greater than the preset highest speed limit value, setting the frequency of exceeding the common speed limits, and deciding whether a buzzer gives an alarm and the oil supply solenoid valve is opened. The engineering vehicle overspeed stop device is simple in circuit structure, good in real-time property, accurate in measurement and lower in cost, the safety of engineering vehicles can be improved, and the safety of human life and property is guaranteed.

The invention belongs to the technical field of fire equipment and particularly relates to a binding device. A fire hose binding device is structured as follows: above a workbench, a motor (2) is drivingly connected with a binding runner (2), and a hose interface fixing apparatus (3) is arranged at the other side of the binding runner (2); an output shaft of the motor (1) is in transmission connection with a long rotation shaft via a chain (4) or a belt; a reversing gear (9) is engaged with a rotational hose plate (6); a binding wire reel (5) is arranged at the side part of the workbench; a plurality of binding wire traveling wheels (8) used for guiding and pre-tightening binding wires are arranged at the lower part of the binding runner (2); and a control switch (7) is also arranged on the workbench. The fire hose binding device related by the invention is rational and compact in structure, easy to operate and suitable for site emergency use for fire brigades. The fire hose binding device is used for completely removing worries about delay of fire water supply and wounding accidents caused by weak binding and separation of a hose and an interface at any time and has a great application prospect and an actual use value.

The invention discloses a planning method of an automatic driving system. The invention discloses a planning method of an automatic driving system. The method comprises the steps that S1, acquiring acurrent road environment image g by the system, using a filter in the convolutional neural network to extract the structure and road condition information Phi of the road image; and obtaining reward information R of the current road environment image through the mapping function fR, obtaining initialization of a kernel function Kwp for irregular graph convolution operation through the mapping function fP, and using an adjacent matrix of the image as an activation parameter of the Kwp to obtain an initial convolution operation sub-P. The deep reinforcement learning method based on the generalized asynchronous value iterative network model has the beneficial effects that the problem that an existing automatic driving system cannot carry out high-success-rate and high-accuracy road planning in a road environment with a complex structure and unknown road condition information can be well solved.

The invention relates to a Bluetooth-based traffic flow detection device and an implementation method. The device comprises a scheduling center and n base stations, a traffic region needing to be detected is partitioned into n sub-regions, one base station is arranged in each sub-region, and electronic station boards are arranged on bus stops in the sub-regions. The method comprises the following steps: communicating with a vehicle-mounted Bluetooth unit in a Bluetooth wireless way; acquiring traffic flow information; periodically uploading traffic flow information to the base stations; periodically uploading to the scheduling center through the base stations. By adopting the device and the method, a user can know the traffic flow situation of each road segment conveniently whenever and wherever possible, and urban vehicle traffic running states are provided for travelers and drivers. Moreover, a Bluetooth technology plays an important role in a system. By adopting the Bluetooth technology, real-time data acquisition, high-speed information exchange and flexible networking in the system are realized, and the device is easier and more convenient to implement.

The invention relates to a perovskite type photocatalyst, and specifically discloses a preparation method and applications of a calcium-doped LaNiO3 perovskite type photocatalyst. The preparation method comprises: adding water to lanthanum nitrate and nickel nitrate, completely dissolving, adding fully dissolved nickel nitrate, adding an ammonia water solution in a dropwise manner under stirring conditions, adjusting the pH value of the solution to 9-12, generating a precipitate, filtering the product, washing, drying, and roasting, wherein a molar ratio of the calcium ions to the lanthanum ions is 0.1-0.5. The invention further discloses applications of the calcium-doped LaNiO3 perovskite type photocatalyst in degradation of methyl orange in printing and dyeing wastewater. According to the present invention, the preparation method has characteristics of simple synthesis conditions and low secondary pollution, and the obtained calcium-doped LaNiO3 perovskite type photocatalyst has goodcatalytic effect, wherein the degradation effect reaches 95.01%.

The invention relates to a light stick type LED lighting source. The prior filament lamp or the fluorescent tube used for illumination has the defects that the power consumption is huge, the service life is short, the lighting time is long, the mercury pollution is easy to be caused during the manufacturing process, and the light ray lack the softness and the evenness. The light stick type LED lighting source is composed of a LED light source, a high-efficiency light guiding stick, a reflecting film, a directional reflecting cover and an outer casing, wherein the LED light source and PCB board are arranged on one or two side faces of the geometrical body formed by the high-efficiency light guiding stick, a V shaped light reflecting slot is arranged on the upper surface of the high-efficiency light guiding stick, the reflecting film is positioned on the upper surface of the high-efficiency light guiding stick, the directional reflecting cover is positioned on the front face of the high-efficiency light guiding stick, and the invention can be a single pipe or a multi-pipe light stick type LED lighting source. The light stick type LED lighting source has the advantages of energy saving, environmental protection and long service life; as one of the future light sources which are most interested in by the people, the direct aim of the LED lighting source is to replace the filament lamp or the fluorescent tube, thereby the LED lighting source has a good economic benefit and social benefit.

The invention provides a red steppe cattle beef quality-related molecular marker and application thereof in meat quality identification and belongs to the fields of biotechnology and crop and pastureproduction. The red steppe cattle beef quality-related molecular marker provided by the invention is closely related to meat quality of red steppe cattle, and when the red steppe cattle beef quality-related molecular marker is applied to the meat quality identification of red steppe cattle, beef with higher quality can be better distinguished and screened out, so that the red steppe cattle beef quality-related molecular marker can better guide production of agriculture and animal husbandry, especially the animal husbandry, and has greater use value and social value.

The invention relates to a stiffening rib of a flight vehicle aerofoil experimental model, wherein the original stiffening rib of the flight vehicle aerofoil experimental model, made of laminate plate material is replaced by the stiffening rib made of metal material. Steel material or aluminum material and the corresponding thickness can be selected according to the weight ratio of balance weightto total weight for the stiffening rib of the invention. The stiffening rib of a flight vehicle aerofoil low speed wind tunnel experimental model is provided with two through-holes, wherein a screw rod penetrates through the through-holes of the stiffening rib and a balance weight block, and nuts are used to lock and fix the massive balance weight block. The stiffening rib of the flight vehicle aerofoil experimental model can bear balance weight accounting for more than 50% of total weight, effectively reduce the unsafe factor when the massive balance weight block is fixed and avoid that the flight vehicle aerofoil experimental model is damaged in the wind tunnel experiment; and the stiffening rib has simple structure, high safety, reliable performance, true and accurate experimental result, low cost, high practicability and great use value.

The invention provides a 10 KV square-wave voltage generator for checking the performance of an impulse voltage divider. The 10 KV square-wave voltage generator for checking the performance of the impulse voltage divider comprises a high-voltage direct-current power supply, an energy-storage capacitor arranged in a metal shielding box, a gas spark switch, an air storage tank and a capacitive voltage divider, wherein the high-voltage direct-current power supply is connected with the energy-storage capacitor, the gas spark switch is connected with the tested voltage divider, the energy-storage capacitor is charged through the high-voltage direct-current power supply, and when the charging voltage rises to the breakdown voltage of the gas spark switch, the gas spark switch breaks down and outputs rising edge type square-wave voltage to the tested voltage divider. Compared with the prior art, the 10 KV square-wave voltage generator for checking the performance of the impulse voltage divider has the advantages that a square-wave response test can be conducted on impact resistance voltage dividers on various voltage levels and with various intrinsic standoff ratios and low-damping capacitive voltage dividers, so that the dynamic response performances of the impact resistance voltage dividers and the low-damping capacitive voltage dividers are judged.

The invention relates to a three-dimensional metal label pressing and attaching technique method. The three-dimensional metal label pressing and attaching technique method comprises the following steps of: step one. preparing three-dimensional metal labels; step two. preparing a set of three-dimensional metal label pressing and attaching device; step three. pressing and attaching the three-dimensional metal labels to a right label bearing plate B; step four. tearing and stripping top transparent films of the three-dimensional metal labels on the label bearing plate B; step five. repeating the step three and the step four, continuously pressing and attaching the three-dimensional metal labels to a label bearing plate A, and tearing and stripping top transparent films till the pressing and attaching of the three-dimensional metal labels on the label bearing plates A are completed; and step six. changing the label bearing plates into other label bearing objects after completing the whole set of pressing and attaching work on the label bearing plate A and the label bearing plate B ,and continuously repeating the step three, the step four and the step five so as to realize continuous automatic production. The three-dimensional metal label pressing and attaching technique method is advanced in technique, high in pressing and attaching accuracy, low in defective rate, high in working efficiency and large in yield, replaces manual film tearing operation very well, avoids existing problems and has very high actual use value and economic benefits.

The invention discloses an energy-saving automatically-warning battery theft-preventing alarm device for an electric vehicle and a control method thereof. An alarm main device of the alarm device except for a permanent magnet is installed in a battery box, and a normally closed dry-reed pipe and a normally opened dry-reed pipe which are connected in parallel and are freely arranged and combined are installed on the inner wall of a box body of the battery box on the contact surface between the battery box and a battery groove; a switch 9 is installed on the box body on the contact surface between the battery box and the battery groove; and the permanent magnet is installed on the inner wall of the battery groove and corresponds to the normally closed dry-reed pipe. The control method is achieved as follows: when the battery box is placed into the battery groove and the alarm sound of a loudspeaker is turned off, a power supply of the alarm main device is cut off, and the energy-saving automatically-warning battery theft-preventing alarm device is in a warning state; when a thief steals the battery box, the power supply of the alarm main device is switched on and sends the alarm sound when the battery box is separated from the battery groove, and the alarm sound can be withdrawn after the alarm main device receives a cipher key of a cipher transmitter. The invention has flexiblecontrol and convenient use.

The invention discloses a preparation method of 1-bromoalkyne and 1-iodoalkyne. The preparation method comprises the following steps that terminal alkyne is adopted as a raw material, a chloramine salt and an iodine salt or a bromine salt is adopted as a halogenation system, and reaction is carried out in a solvent to synthesize a series of 1-bromoalkyne and 1-iodoalkyne type compounds. In the formula shown in the description, R in terminal alkyne is selected from chain-like alkyne, ring-shaped alkyne, olefin, ester group, cyanogroup, substituted phenyl group and heterocyclic arene; the chloramine salt is selected from one of chloramine B, chloramine T or o-chloramine T; the iodine salt is selected from one of sodium iodide, potassium iodide, ammonium iodide, lithium iodide or tetrabutylammonium iodide; the bromine salt is selected from one of sodium bromide, potassium bromide, lithium bromide, magnesium bromide, ammonium bromide or tetrabutylammonium bromide; the solvent is selected from one or is mixed by two of water, benzene, methylbenzene, 1, 4-dioxane, ethyl acetate, dimethyl sulfoxide, methanol, tetrahydrofuran, alcohol, isopropyl alcohol, N, N-dimethyl formamide, n-pentane,dichloromethane, petroleum ether, methyl tert-butyl ether, chloroform, n-hexane, carbon tetrachloride, n-butyl alcohol, 1,2-dichloroethane or acetonitrile. The preparation method disclosed by the invention has the beneficial effect that the application is wide.

The invention provides a grassland red cattle fat content relevant molecular marker as well as an obtaining method and application thereof, and belongs to the fields of biotechnology and crop and pasture production. The obtaining method of the grassland red cattle fat content relevant molecular marker provided by the invention has the advantages that by a simple and fast experiment method, the accurate grassland red cattle fat content relevant molecular marker can be obtained; the obtained grassland red cattle fat content relevant molecular marker can be applied to grassland red cattle meat fat content identification, and high-quality meat can be well distinguished and screened out, so that the grassland red cattle fat content relevant molecular marker can be better used for guiding the production of crop and pasture, particularly the pasture production; great use value and social value are realized.

The invention provides a forming method of an aluminum extrusion. The forming method comprises the steps of: heating, temperature control, extruding through a die and setting, and specifically comprises the following steps of: heating, namely heating a raw material into a molten overheating melt raw material; temperature control, namely controlling the temperature of the molten overheating melt raw material and lowering the temperature until reaching a semi-solid state; extruding through the die, namely applying different pressures and flow rates to the raw material at the semi-solid state according to the thickness of the cross section of an extruded finished product, and passing through a pattern die; setting, namely drawing the extruded product passing through the pattern die, and cooling and setting the extruded product. The forming method of the aluminum extrusion has the advantages that the dimension of the raw material is unlimited, the width-to-thickness ratio of the extruded finished product is unlimited, the length is unlimited and the purpose of saving the energy consumption and minimizing extrusion equipment can be realized.

The invention provides a micro-pressure electric rice cooker and a control method thereof, which are used for solving the control problem of the micro-pressure electric rice cooker when cooking foods in different volumes. The micro-pressure electric rice cooker comprises a cover, a housing, an inner pot, an electric heating device, a power control device and a control circuit, wherein the housing comprises a chassis, and the inner pot is positioned above the chassis in an inner cavity of the housing; the electric heating device is electrically connected with the control circuit, and the electric heating device is positioned outside the inner pot in the inner cavity of the housing or below the inner pot on the chassis; the power control device comprises a pressure switch; the control circuit comprises a heating circuit, a thermal insulation circuit and a timer circuit; and the heating circuit and the thermal insulation circuit are connected in series and then connected with a normally closed contact of the pressure switch in series for being connected into a power supply. The control method of the micro-pressure electric rice cooker is as follows: when an electric heating plate R0 is heated to a certain degree, the pressure switch K1 acts for triggering the working of a timer switch, and the timer switch TK1 works continuously till the rice cooking or the congee cooking or the soup cooking process is finished.

The invention provides a foliar fertilizer for increasing the anthocyanin content of litchi pericarp. The foliar fertilizer comprises the following components: 0.5%-1.5% of amino acid, 0.1%-0.8% of phosphate fertilizer, 0.1%-0.5% of potash fertilizer, 0.05%-0.5% of sugar, 0.001%-0.5% of trace element fertilizer, 0.0005%-0.001% of 5-aminolevulinic acid hydrochloride, 0.005%-0.02% of abscisic acid and the balance water solvent. The foliar fertilizer for increasing the anthocyanin content of litchi pericarp, provided by the invention, has a relatively good use effect, and the input cost of usersis also reduced, so that the foliar fertilizer has great economic value and use value.

The invention discloses a device for a simultaneous shutdown of all computers in a computer room, and a method for controlling the device. The device provided by the invention comprises a wireless reception shutdown circuit and a wireless remote controller, wherein, the wireless reception shutdown circuit comprises a controller, a power supply detection circuit, a storage chip, a wireless reception module, a learning indicator light, a learning switch, a photocoupler, a digital analog switch, a first contact pin, a second contact pin, a third contact pin and a resistor. The method provided by the invention is characterized in that the wireless code transmission method is adopted for closing all the computers through POWER ON contact pins on main boards of the computers. Compared with the closing of desktop computers by a network, the invention is more flexible, and has the advantages of convenient use, and great use value and social benefit.

The invention discloses glyphosate granules and a production method thereof. The glyphosate granules are composed of the following components, in parts by weight: 72.5 parts of a glyphosate original pesticide, 35.5-40 parts of ammonium bicarbonate, 5-8 parts of an auxiliary disintegrating agent, 5-8 parts of a pH modifier, and 6-10 parts of a special auxiliary agent. According to the glyphosate granules and the production method thereof, the process is simple, operation is simple and convenient, and compared with a glyphosate isopropylamine water product, the obtained glyphosate ammonium granule product has no obviously different weed removing effects, can meet use requirements, and has a higher utilization ratio of the glyphosate original pesticide; the produced product is easy to packageand convenient for transportation, and has greater production and usage advantages and extremely good practicability.

The invention discloses an automatic alarm device of load for a CNC motion shaft and a method thereof, and relates to an alarm device and a method. The device comprises a collector, a computer, an alarm and the like; the input end of the collector is connected to each motion shaft of a CNC machining center, and the output end of the collector is connected to the computer through a PLC programmablecontroller; and the computer is connected to the alarm and the CNC machining center respectively. The method comprises the steps of: collecting the load data of each motion shaft of the CNC machiningcenter, and transmitting the data to the computer after calculated; the computer comparing the load data with a set load, if overloaded, stopping the machining equipment of the CNC machining center in time, meanwhile outputting an alarm signal to an alarm corresponding to the motion shaft, and performing storage and output on overloading data information; and the alarm giving out a sound-light alarm. According to the automatic alarm device of load for the CNC motion shaft and the method thereof, automatic alarm of the load of the CNC motion shaft can be realized, the damage probability of thedevice is reduced to the lowest, the good running is realized, and running life of the device is maximized.

The invention discloses a bismuth tungstate@MIL-100 (Fe) composite material, a preparation method and application thereof. The preparation method specifically comprises the following steps: adding a prepared metal organic framework material MIL-100 (Fe) into a precursor salt solution of bismuth tungstate, and synthesizing the bismuth tungstate@MIL-100 (Fe) composite material in situ by adopting ahydrothermal method. According to the invention, the bismuth tungstate@MIL-100 (Fe) composite material prepared by the invention has a large specific surface area and enhanced visible light absorptioncapacity, and a heterostructure formed between bismuth tungstate and MIL-100 (Fe) can improve the separation efficiency of photo-induced electron hole pairs, promote the transfer of photoelectrons, and significantly improve the photocatalytic activity; the experimental results show that the removal rate of the bismuth tungstate@MIL-100 (Fe) composite material on tetracycline hydrochloride organicmatters in an aqueous solution under sunlight reaches 90% or above; and the preparation process adopting the hydrothermal method has the advantages of simpleness, no need of adjusting the pH value ofthe solution, low energy consumption, low risk and easiness in large-scale production.

The invention discloses a method for synthesizing 3-alkynyl isocoumarins compounds. 2-(2, 2-ethylene dibromide) benzoic acid derivatives and terminal alkyne compounds are used as raw materials for the3-alkynyl isocoumarins compounds, bivalent palladium and univalent copper are used as catalysts, and tri-aryl phosphine compounds and alkali are used as additives. The method includes carrying out heating reaction in organic solvents to synthesize a series of 3-alkynyl isocoumarins compounds. A chemical reaction formula is shown. The method has the advantages of simple steps, mild conditions, short reaction time, high atom economy, easily available raw materials, environmental friendliness and the like. Besides, the 3-alkynyl isocoumarins compounds are a type of important bioactive moleculesand synthetic intermediates, and accordingly the method can be widely applied to the field of medicine synthesis and has high use value and a high social benefit.

The invention provides a table lamp with an intelligent detection function. The desk lamp comprises a desk lamp body, a main control unit is installed in the table lamp body, and a human shape recognition system, a reminding device, a voice control system, a menu analysis unit and a skeleton analysis system are connected with the main control unit; the human shape recognition system is used for judging the sitting posture of the user; the reminding device is used for reminding a user to correct the sitting posture in time; and the voice control system is used for intelligently adjusting on-offand brightness of light. A recipe analysis unit is also stored in the desk lamp body, and corresponding menu information is recommended to the user according to the physical and psychological state of the user; the skeleton analysis system is further arranged in the table lamp, whether the user has the phenomena of high and low shoulders, long and short legs or humpback or not is identified according to the skeleton condition of the user, the intelligent detection function of the intelligent table lamp is loved by the user, and the intelligent table lamp has great economic value and use value.

The invention relates to the technical field of automobile instruments, and provides an automobile virtual instrument based on embedded Linux. The automobile virtual instrument comprises a signal acquisition unit, an embedded processor, a virtual instrument and an alarm module, wherein the signal acquisition unit acquires all kinds of state information of an automobile, the state information is transmitted to the embedded processor through a conversion processing module, the virtual instrument dynamically displays the processed data by adopting a QT design soft panel, the alarm module is usedfor giving a prompt alarm when any one abnormal state exists, the alarm module is internally provided with a voice chip, and the virtual instrument is composed of a hardware system and a software system. The virtual instrument has good readability, high reading precision, good improvement in portability, maintainability and cost aspects, and great scientific research value and commercial use value.

The invention discloses biogas mixed gas and a production process thereof. The mixed gas takes biogas as a main gas source, light hydrocarbon-air mixed gas is taken as an auxiliary gas source, novel high-quality mixed gas is prepared by blending the main gas source and the auxiliary gas source according to certain proportions, and the mixed gas has a high burning calorific value which is equivalent to 6T natural gas. The mixed gas is new energy, effectively utilizes the existing large and medium-sized biogas engineering for realizing stable and centralized gas supply all the year round, and solves the current bottleneck in biogas development and utilization in rural areas. The production process of the mixed gas is as follows: the biogas produced by fermentation of the large and medium-sized biogas engineering is taken as the main gas source and mixed with the light hydrocarbon-air mixed gas, the two gas sources and a biogas-hydrocarbon mixing process are mature in technologies, the gas supply is stable and reliable and is not limited by regional conditions, the cost is reduced by about 50% on average, the production cost is lower than that of the natural gas, liquefied gas and the like, the production process is simple, and the mixed gas has great use values and development prospects.

The invention provides a woodware paint spraying method. The woodware paint spraying method comprises the following steps: (1) furniture is fed in saline water with a concentration of 0.1-5% for dipping by 5-10 hours, is taken out to smoothly polish the outer surface thereof by an abrasive paper, and is uniformly sprayed with raw paint; (2) the furniture sprayed with the raw paint is dried by using a baking fan; (3) a hardening agent is uniformly sprayed on the outer surface of the furniture, and is dried under sunlight or room-temperature conditions; (4) the outer surface of the furniture iswiped by a wet tissue; (5) a wax layer is coated on the outer surface of the furniture by a thickness of 0.5-2 mm; and (6) the furniture coated with the wax layer is flushed by de-ionized water to obtain needed products. The woodware paint spraying method has the advantages of high working efficiency, good spraying effect, facilitation of human health, simple operation, easy mastering and higher economical value and use value.