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A surgical system that applies electrical energy to obtain predetermined surgical effects while improving the control of the application of the energy that is supplied by electrosurgical generators. In one embodiment, a surgical assembly interfaces with and receives power from an electrosurgical generator for executing a first electrosurgical procedure. This surgical assembly may employ a shunt circuit between its power and return lines for providing in effect a voltage limitation and/or to allow a constant power electrosurgical generator to execute an at least substantially constant voltage electrosurgical technique. The electrosurgical assembly may also include a return coupler for directing energy from the patient back to the electrosurgical generator, which in turn may include a dielectric material which interfaces with the patient and which at least initially conveys the return energy via one or more electric fields versus conduction.

An apparatus and method for the photocatalytic conversion of contaminants in a fluid stream. Fluid is directed through a semitransparent packed bed or an open cell, three dimensionally reticulated, fluid permeable, semiconductor unit. Within the unit, a semiconductor, when exposed to a photoactivating light source, converts the contaminants through a photocatalytic reaction. Both the substrate and the semiconductor photocatalyst are semitransparent to the activating light to allow penetration of light into the unit, thereby distributing the light, increasing the active specific surface area, and improving the net conversion performance of the unit.

The invention discloses a biostimulation method for remediation of oil-polluted soil. In the method, on the premise of not adding an oil pollutant biodegrading bacterial agent, a soil conditioner is added to improve the soil environment, reduce soil stickiness, increase the soil permeability, adjust the water-retaining capacity of the soil, adjust inorganic and organic nutrients necessary for local microbe growth, maintain the pH value of the soil close to neutrality, promote oil pollutant degrading microbes in the soil to grow and propagate, and improve the oil pollutant degrading efficiency of the local microbes; by planting plants, the microenvironment of the soil near root systems of the plants is improved, the plants secrete organics with low molecular weight such as amino acid to the root systems so as to stimulate the massive propagation of the local microbes and indirectly promote oil pollutant degradation by the microbes of the root systems; and the biostimulation method has the advantages of accelerating the remediation of the oil-polluted soil and restoring the original state of the soil.

The invention relates to a multi-operating mode energy-saving controlled combined type thermostatic and humidistatic air conditioning unit with a thermometal compound box body structure special for nuclear power stations. The air conditioning unit comprises a control system and a box body structure, wherein a primary-efficiency filter, a medium-efficiency filter, a surface cooler, a heater, a humidifier and a blow-off device are sequentially arranged in the box body; the front side of the primary-efficiency filter is provided with a fresh air and return air mixing section, and inlets of fresh air and return air are respectively provided with a fresh air proportioning valve and a return air proportioning valve; the control system adopts a programmable logic controller (PLC) and adopts air conditioning multi-operating mode zone control to realize the energy-saving operation of the unit; the surface cooler adopts a large temperature difference cold water heat exchanging technology and can save the investment and operation expenses of a water system; and the box body adopts a double-layer compound structure and an anti-shock device to meet the special requirements on the nuclear power stations. The invention has the characteristics of high efficiency, energy saving, good tightness, strong anti-shock capacity, safety, reliability, long service life, and the like.

The invention discloses a preparation method of a lithium-ion battery with a conductive polymer coated positive electrode. The positive electrode sheet is a positive electrode slurry made of a positive electrode material, a conductive agent, a positive electrode binder, a conductive polymer or a conductive polymer monomer, and a solvent. The negative electrode sheet is composed of negative electrode material, thickener, negative electrode binder, and solvent mixed into negative electrode slurry and negative electrode current collector. The specific capacity of the battery is increased by 10-20% by adding a conductive polymer or a conductive polymer monomer to the slurry for coating. The invention effectively improves the performance of the prepared positive electrode material, and because the method is simple, the product cost is reduced, the process is simplified, and the method is suitable for large-scale production.

The invention relates to a special baking oven and a special material rack thereof for silicon material. The baking oven comprises a thermal insulation shell, an inner container, a high temperature air cavity, a hot air duct, a heater, a circulating fan, a dehumidifier, a dehumidification pipe, a humidity sensor, a temperature sensor, a frame body, idler wheels and a silicon material box, wherein the high temperature air cavity is arranged on top of the inner container, the hot air duct is arranged around the inner container, the heater is arranged in the baking oven, the circulating fan is arranged between the high temperature air cavity and the hot air duct, the dehumidifier is communicated with the inner chamber of the inner container, and the humidity sensor and the temperature sensor are arranged to realize automation control of the baking oven. The movable baking shelf thereof can facilitate loading/unloading and in/out of silicon material, save baking preparation time, and has the advantages of high baking efficiency and low energy consumption. The whole silicon material box can be directly moved in the baking oven for baking, thereby greatly shortening technology preparation time and reducing labor strength of operators.

The invention discloses a cycle type aerating device for domestic sewage. The device comprises a tank body, a fixing frame, an electric motor, a driving shaft, a stirring rod, an aerating board, aerating heads, a blower, a water outlet pipe and a water inlet pipe; the top of the tank body is fixedly connected with the fixing frame, the lower surface of the fixing frame is fixedly connected with the electric motor, the shaft extension end of the electric motor is fixedly connected with the driving shaft, the stirring rod is fixedly connected with the driving shaft, the left side wall of the tank body is rotatingly connected with a rotation shaft, a cam sleeves the left end of the rotation shaft, a cleaning grille is arranged below the cam, the left side of the tank body is provided with a circulating pipe, the bottom of the tank body is equipped with the aerating board, a left movable plate and a right movable plate are hinged to the upper surface of the aerating board, the tail ends of aerating blades are always floated on the water surface by utilizing buoyancy boxes, and aerating is performed on the surface-layer sewage; a water pump is started to enable the sewage to form cycles in the tank body, so that the aerating effect is improved; and the left movable plate and the right movable plate keep swinging left and right, and therefore the mixing of the sewage and air exhausted by the aerating heads is more uniform.

The invention discloses a surface treatment method of heat-conducting packing. The surface treatment method is characterized by comprising the following steps of (1) respectively weighing an organic silane coupling agent, an organic solvent and distilled water; (2) orderly adding the organic solvent and the distilled water to the silane coupling agent, dripping acid solution after evenly stirring and mixing; adjusting the pH value of the mixed solution to 3.5-5.5; and then stewing for 5-30 minutes under the condition of 25 DEG C for use; (3) weighing the heat-conducting packing, heating the prepared mixed solution to 50-80 DEG C and keeping the temperature; adding the heat-conducting packing to the mixed solution to reflux and stir for 2-6 hours, and then filtering out the heat-conducting packing; and (4) putting the filtered heat-conducting packing into an oven to bake for 2-6 hours under the condition of 80-120 DEG C, so as to obtain the heat-conducting packing after surface treatment. Application of a heat-conducting silica gel sheet prepared from the heat-conducting packing is also disclosed by the invention; and the silica gel sheet is excellent in heat-conducting property, and good in overall performance.

The invention relates to a technology and equipment for dedusting mixed oil gas, in particular to the technology and the equipment for dedusting mixed oil gas formed by splitting waste rubber and waste plastic. The technology is characterized in that the oil gas is sprayed and dedusted by same type of oil after being filtered and dudusted; and when dust falls, and oil adhered on the dust is converted into gaseous state from liquid state. The equipment comprises a tower body of which the lower end is provided with an oil gas inlet, wherein the tower body is internally provided with a filteringand dedusting mechanism and a spraying device for same type of oil, and the spraying device is arranged above the filtering and dedusting mechanism; the filtering and dedusting mechanism comprises dedusting rotary cage controlled by a lateral shaft; and the total volume of the filler filled into the dedusting rotary cage under the natural state is smaller than the volume of the dedusting rotary cage. In the invention, the reasonable technology and the reasonable equipment are adopted for dedusting and purifying oil obtained by splitting waste rubber and waste plastic, oil discharging quality and carbon black quality are improved, environmental pollution is lightened, thus providing a new path for solving the increasingly serious energy crisis, so that the technology and the equipment can be widely popularized and used.

The invention discloses a special metal resistance rivet welding device, which belongs to the technical field of automobile manufacturing. The special metal resistance rivet welding device comprises an piercing electrode, a blank holder, a plurality of spring bead positioning mechanisms, a semi-hollow rivet and an annular electrode, wherein the blank holder, a to-be-welded plate and the annular electrode are arranged in turn from top down; the piercing electrode is sleeved in the blank holder; the plurality of spring bead positioning mechanisms are horizontally arranged in the blank holder along a radial direction; the semi-hollow rivet is vertically arranged in the blank holder and is contacted with the spring bead positioning mechanisms; and the piercing electrode, the semi-hollow rivet and the annular electrode are arranged coaxially. In the invention, based on the mechanical connection of the self-piercing riveting process of the semi-hollow rivet, the resistance heat generation mechanism of resistance spot welding is introduced, the softening of plates by resistance heat eliminates riveting cracks and brittle fractures, reduces riveting force and increases the mechanical locking between the rivet and a lower-layer plate, the soldered connection between the rivet and plate pieces is realized by resistance heat, mechanical-solid phase double connection is formed finally and the reliability and connection strength of an adapter are improved.

The invention relates to a mixed-flow electric dust collector, wherein an air flow distribution plate is arranged at the joint of a dust removing chamber and a smoke inlet; a first vertical electric field and a second vertical electric field, through which an air flow flows, are arranged in the dust removing chamber; parallel dust collecting electrodes are distributed in the electric fields at equal interval; main air flow channels are formed among the dust collecting electrodes; a corona electrode is arranged between adjacent dust collecting electrodes; some of the air flow channels are provided with an incoming air flow baffle at an air flow inlet, and the other air flow channels are provided with an outgoing air flow baffle at an air flow outlet; a plurality of dust collecting electrode plates are arranged on the dust collecting electrodes and fixed in the dust collecting electrode in a separated manner; and the main air flow channels are provided with a plurality of air equalization plates having through holes on the surface at the outlet of the first electric field and baffles at the outlet of the second electric field. With simple structure and few electric fields, the invention solves the problem that the conventional dust collector has poor dust removal effect, large size, complicated structure and high cost.

The invention discloses an active carbon-loaded ruthenium ammonia-synthesis catalyst and a preparation method thereof, pertaining to catalysts for fertilizers. The active carbon-loaded ruthenium ammonia-synthesis catalyst takes active carbon as a carrier, metal ruthenium as an active ingredient, and alkali metal and alkaline-earth metal as auxiliary agents, the active ingredient, namely, ruthenium, is loaded on the carrier, that is, the active carbon, in the form of Ru(OH)4 or RuO2.2H2O, and the load is calculated by Ru, with the weight of the active ingredient being 2 percent to 9 percent of the weight of the active carbon; the alkaline-earth metal is loaded on the carrier (the active carbon) in the form of a nitrate or an oxalate, and the loaded quantity is calculated by the alkaline-earth metal, with the mass ratio between the alkaline-earth metal and the ruthenium being 0.3-5:1 and the amount-of-substance ration between the alkali metal and the ruthenium being 2-10. The method is quick and simple for operation, and the prepared catalyst has stable performance and high activity and is applicable to industrial production.

The invention discloses a preenrichment-three segment suspension roasting-magnetic separation treatment method of complex refractory iron ores, and belongs to the technical field of mineral processing. The method comprises the following steps: 1, levigating the complex refractory iron ores, carrying out weak magnetic separation, and carrying out strong magnetic separation on mine tailings; 2, putting concentrate obtained after strong magnetic separation in a suspension roasting furnace, and heating to 450-800DEG C in a suspension state in order to carry out pre-oxidation roasting; 3, introducing nitrogen to displace air, and introducing a reducing gas to carry out reduction in a suspension loose state; 4, introducing air when the temperature decreases to 250-400DEG C in order to oxidize, taking out the obtained material when the temperature decreases to below 100DEG C, and carrying out ore milling; and 5, carrying out third segment magnetic separation, and mixing concentrate obtained after three segment magnetic separation with concrete obtained after the weak magnetic separation to obtain finial concentrate. The method has the advantages of simple process, improvement of the recovery rate of the complex refractory iron ores, strong adaptability, safe and reliable process, uniform and stable product quality, energy saving and consumption reduction.

The invention discloses a flue gas-based desulduratoin and denitration method and a special device for the flue gas-based desulduratoin and denitration method. The special device comprises a denitration reactor body and a desulphurization reactor body, wherein the side wall of the desulphurization reactor body is provided with a flue inlet; the desulphurization reactor body and the denitration reactor body are communicated in parallel; the volume of the denitration reactor body is 1-2 times that of the desulphurization reactor body; the communicating position of the desulphurization reactor body and the denitration reactor body is provided with a device for spraying NH3; the top of the denitration reactor body is provided with a denitration reactor inlet for active coke; the bottom of thedenitration reactor is provided with a denitration reactor outlet for the active coke; the top of the desulphurization reactor is provided with a desulphurization reactor inlet for the active coke; the bottom of the desulphurization reactor is provided with a desulphurization reactor outlet for the active coke; and the denitration reactor outlet for the active coke is communicated with a desulphurization reactor inlet for the active coke through a pipeline, and the desulphurization reactor outlet for the active coke is communicated with a regeneration reactor. The invention also provides a method for flue gas desulfurization and denitration by using the device.

The invention discloses a method for using an electronic nose to detect the freshness of chicken. The invention aims at providing a method which uses the electronic nose to detect the freshness of chicken, has the advantages of rapidity and simpleness, easy use and objective and reliable detection result, and can reduce the impact of storing conditions to the detection result. The method comprises the following steps: a chicken sample to be detected is put into a sealed container and then heated in water bath with thermostatic control; the heated chicken sample is put into a test room, and then smell sent by the sample is detected by a gas sensor array which consists of four gas sensors of different types; the data which is aquired by the gas sensor array is collected and processed; and then the freshness of chicken is judged according to the processing result of the data. The detection method uses an electronic nose which consists of four gas sensors of different types to detect the chicken sample, and has the advantages of objective, accurate, and fast detection result, good repeatability, simple analysis process and small using amount of sensors, and reduces the extraction of eigenvalues.

Disclosed are an alumina-based ceramic core removal method and a special device thereof. The method includes placing a hollow blade with an alumina-based ceramic core into a reaction kettle fully filled with lye, and then sealing the reaction kettle; heating the reaction kettle in high-temperature, high-pressure and airtight environment; decreasing the pressure of the reaction kettle till being lower than the saturated vapor pressure of the lye, allowing the lye to be boiled to enter channels of the hollow blade for 10 to 30 seconds; recovering the pressure in the reaction kettle to stop boiling the lye and recover stable statues; removing residual lye and removed ceramic core from the hollow blade, and finally utilizing acid to neutralize residual lye on the hollow blade, and washing with water. The method has the advantages that reacted waste lye in the cavity of the hollow blade can be discharged rapidly through high temperature and increasing and decreasing the pressure repeatedly, good stirring effect is provided by periodically boiling the lye, the lye is guaranteed contacting with the alumina-based ceramic core fully, reacting efficiency is improved, and removal speed of the alumina-based ceramic core is increased significantly.

The invention discloses a dechlorination agent and a preparation method thereof. The dechlorination agent is prepared from the following materials: 15-70wt% of carrier, 15-60wt% of active components, 1-10wt% of a pore-forming agent, 1-5wt% of an extrusion aid and 2-10wt% of a binder, wherein the carrier is at least one of weak acid salt, kaolin, pseudo-boehmite or Al2O3. The preparation method comprises the steps of mixing the materials, adding water, mixing, kneading, extruding, drying and calcining. The dechlorination agent has the advantages of high adsorption efficiency against high-concentration or low-concentration HCl at normal temperature, high dechlorination precision, high chlorine content of above 30% and a certain adsorption effect against organic chlorides; chemical reaction adsorption is adopted for adsorption against HCl, the adsorption is performed at normal temperature and normal pressure, energy consumption is not required, and the absorbed HCl and the active component in the dechlorination agent perform reaction to form a stable chemical substance to exist in an adsorber bed layer; and the dechlorination agent further has the advantages of low toxicity, high stability, easiness in filling and unloading, and no secondary pollution.

The invention discloses a high-efficiency cleaning device for medical instruments, which includes a box body, a cleaning chamber, a cleaning liquid chamber, a cleaning frame, a double-axis motor, a first pulley, a belt, a second pulley, a hollow tube, a spray hole, a brush, The first water pipe, water pump, circulation device and drying device, the present invention is equipped with a biaxial motor, a disc and a connecting rod, through the cooperation of the above parts, the cleaning frame is driven to shake continuously, and the medical equipment in the cleaning frame is constantly turned, so that the medical equipment More fully contact with the cleaning liquid to improve the cleaning efficiency. It is equipped with the first helical gear, the second helical gear, the rotating shaft, the first pulley, the belt, the second pulley and the hollow tube, so that the brush can continuously scrub the medical equipment, and the The stubborn stains on the surface of medical instruments are removed, which improves the cleaning efficiency. At the same time, the spray holes spray the cleaning liquid from the inside to the outside, so that the cleaning liquid can fully clean all the medical instruments, and the stains are flushed out of the cleaning frame, which further ensures the cleaning efficiency. thoroughness.

The invention relates to a labyrinth cross flow bubbling light-catalyzed reaction device and the method for treating organic wastewater. It is characterized in that the reactor is equipped with a labyrinth liquid passage formed by parallel baffle plate, gas containing oxygen entering from bottom of reactor into distributing plate and bubble into reacting area, organic wastewater flows from liquid inlet pipe on upper of distributing plate and reactor side face, flows in labyrinth reacting area along baffle plate and contacts with rising bubble, and the particular light catalyst floats in gas and liquid mixing phase. The light catalystic reaction proceeds among gas, liquid and solid reacts phase under irradiation of ultraviolet light from upper side of reactor, the organic matter is degraded, the yielding water is separated through outer solid-liquid separator and the light catalytic reaction is continous proceeded under pump action. The invention is characterized by simple construction, convenient operation, long liquid retention time for thorough contact time of liquid and solid, high mass transfer efficiency and light catalytic reaction efficiency, no limit from light source for reactor design enlargement and easy for industrial application.

The invention relates to a large mechanical test system for a combined adjustable constraint concrete arch frame. The system comprises a monitoring system, a hollow cylindrical counter force structure, a hydraulic loading device and an auxiliary loading device, wherein the monitoring system is used for monitoring and collecting arch frame parameters and data. The inner cylindrical surface of the counter force structure is provided with multiple oil cylinder positioning holes, the hydraulic loading device is disposed in the oil cylinder positioning holes, the hydraulic loading device comprises a hydraulic oil cylinder arranged in the oil cylinder positioning holes, a force transmission dispersion device connected with the hydraulic oil cylinder and a control system, and the hydraulic oil cylinder achieves loading through contact of the force transmission dispersion device and an arch frame to be tested. By means of the system, a 1:1 mechanical test can be carried out on the constraint concrete arch frame and other conventional arch frames, and tests of arch frames of different sizes and shapes can be achieved.

The invention relates to a mobile type indoor disinfectant vapor disinfection system, which comprises a disinfectant vapor generation device, a wireless intelligent control system, a power-driven device, an environmental monitoring device, an air supply device, a mobile device and a disinfectant storage device. The disinfectant vapor generation device comprises a disinfectant vapor three-level refinement system, a filtering and catalyzing integrated system and a vapor generation control device; the air supply device supplies secondary power for scattering vapor in a space; and the wireless intelligent control system is communicated with the environmental monitoring device, the air supply device and the power-driven device so as to finish the operations of controlling the disinfectant vapor generation device, acquiring environmental parameters, and switching on/off the air supply device and the power-driven device in a disinfection target. The mobile type indoor disinfectant vapor disinfection system can intelligently, comprehensively and efficiently finish the disinfection operation of a closed space of large-sized equipment and is particularly suitable for the disinfection operation of a closed space with long and narrow passages, so that the mobile type indoor disinfectant vapor disinfection system has the advantages of strong maneuverability, high disinfection efficiency, no secondary pollution, and the like.

The invention discloses a high-strength viscose fiber and a production method thereof, which are characterized in that the viscose fiber is formed by mixing bacterial cellulose and viscose spinning solution, wherein the content of the bacterial cellulose in the viscose fiber is 1 to 10 percent. The production method comprises the following steps: the flake bacterial cellulose is pre-processed, and then the flake bacterial cellulose after the preprocessing is smashed with a ball milling method to obtain a micro nano-grade bacterial cellulose powder; the bacterial cellulose powder is added into the viscose spinning solution to be uniformly scattered and defoamed to obtain a spinning solution; and the spinning solution is made into a high-strength viscose fiber. The content of the bacterial cellulose in the viscose fiber is 1 to 10 percent. The viscose fiber which is prepared with the production method has high strength, small shrinkage and good elasticity, can be blended and interwoven with cotton, wool and other synthesized fibers to be used for the fields such as top-grade costume fabric and industrial textiles, and the like.

The present invention relates to preparation process of serial lignosulfonate air entraining and water reducing admixtures for concrete. The preparation process includes the following steps: dissolving solid lignosulfonate in water of the same weight, adding catalyst and oxidant, heating after reaction, adding amine and partial aldehyde to aminate, and dropping the rest aldehyde for condensation reaction to obtain the product; adding surfactant and polymer through stirring, and cooling to obtain liquid phase lignosulfonate as air entraining and water reducing admixture. The present invention is used as the admixture for concrete, and has relatively high water reducing rate, capacity of raising the strength of concrete, and certain setting retarding effect to delay the appearance of cement setting heat peak and reduce crack caused by temperature change.

A gutter guard constructed to be mounted on a gutter and to extend from the front to the rear thereof. The gutter guard comprises a central screen portion, a front mounting portion and a rear mounting portion. The central screen portion comprises a fine mesh top layer and a bottom support layer of expanded construction with openings of a desired size. The front mounting portion comprises a first metal sheet folded over and crimped to an adjacent front end of the screen portion. The rear mounting portion comprises a second metal sheet folded over and crimped to an adjacent rear end of the screen portion. The mesh top layer is hemmed to the bottom support layer and they are thereafter roll formed in a new and improved manner to prevent damage to the mesh top layer, to control its tension, and to provide close contact of the mesh top layer to the bottom support layer.

The invention discloses a production method of a high-salt diluted and low-temperature fragrant soy sauce, which comprises the following steps of: (1) curing raw materials including wheat and defatted soybeans, and then uniformly mixing the wheat and the defatted soybeans; (2) inoculating aspergillus oryzae strains to the obtained raw material mixture so as to obtain a yeast; (3) cultivating the yeast for 44-48 hours at a temperature of 25-30 DEG C so as to obtain a mature yeast; (4) adding 2.0-2.5 weight times of saline water into the mature yeast so as to obtain a raw soy sauce mash; (5) moving the raw soy sauce mash to the inside of an airtight fermentation tank for fermenting: firstly fermenting for 23-27 days at a temperature of 13-17 DEG C, then continuing to ferment at a temperature of 28-32 DEG C, and on the 28-32nd days, adding mixed fermentation strains into the fermentation tank and continuing to ferment; in the process of fermentation, stirring by using a compressed air flow; and fermenting for more than six months so as to obtain a mature soy sauce mash; and (6) squeezing and filtering the mature soy sauce mash so as to obtain the low-temperature fragrant soy sauce. According to the invention, the conversion rate of proteins in raw materials is high, and the contents of ammonia nitrogen, total nitrogen, soybean peptides and soybean oligosaccharides in the prepared soy sauce are high.

The invention discloses disinfecting equipment for a medical apparatus. The disinfecting equipment comprises a disinfecting box, wherein a first partition board and a second partition board are sequentially arranged in the disinfecting box; by virtue of the first partition board and the second partition board, the disinfecting box is divided into a primary disinfecting chamber, a secondary disinfecting chamber and a tertiary disinfecting chamber; both the first partition board and the second partition board are lower than the disinfecting box; the sidewall, at one side of the primary disinfecting chamber, of the disinfecting box is provided with an inlet; the sidewall, at one side of the tertiary disinfecting chamber, of the disinfecting box is provided with an outlet; a top cap is arranged on the disinfecting box; a sliding rail and sliding blocks which can slide along the sliding rail are fixedly arranged below the top cap; two ends of the sliding rail run out of the disinfecting box from the inlet and the outlet; storage nets are connected to the bottoms of the sliding blocks by virtue of telescopic rods; a disinfectant spraying device is arranged in the primary disinfecting chamber; an ozone water disinfecting device is arranged in the secondary disinfecting chamber; and ultraviolet disinfecting lamps and a drying device are arranged in the tertiary disinfecting chamber. According to the disinfecting equipment provided by the invention, by arranging the plurality of storage nets, the three disinfecting chambers are constantly kept under a working state, so that continuous disinfection is achieved, and working efficiency is improved.

The invention mainly aims at providing a preparation method and application of a g-C3N4-Cu2O composite catalyst. The preparation method comprises the following steps: providing a first solution, wherein the first solution contains Cu<2+> in a dissolved state; adding protonated g-C3N4 into the first solution, stirring, and carrying out ultrasonic treatment to obtain suspension; adding xylitol into the suspension in a stirring state, adjusting the pH value to 10-12, and stirring to obtain mixed liquid; heating the mixed liquid to 150-200 DEG C in a high-pressure reaction container, and carrying out a reaction for 25-35h at the constant temperature to obtain reactants; cooling the reactants and then carrying out solid-liquid separation on the cooled reactants to obtain a solid product, cleaning, and carrying out vacuum drying; heating the solid product up to 150-250 DEG C under the condition of gas protection, and maintaining the constant temperature for 1-3h to obtain the g-C3N4-Cu2O composite catalyst. The g-C3N4-Cu2O composite catalyst has higher visible absorption capacity and good photocatalytic performance. The g-C3N4-Cu2O composite catalyst can be used for carrying out catalytic treatment on organic pollutants in waste water in presence of visible light, and is remarkable in degradation effect and relatively stable.

The invention provides a soil sampling and detecting device. The soil sampling and detecting device comprises a box body, a soil sampling mechanism, a supporting adjusting mechanism, a movable adjusting mechanism, a crushing and detecting mechanism, an auxiliary operating mechanism and a limiting mechanism. The movable adjusting mechanism suitable for adjusting and transferring different road surfaces is connected with the bottom of the box body and comprises a hub, a supporting plate, a rectangular inner threaded pipe, a rectangular sleeve, a first bevel gear, a second bevel gear, an outer threaded rod, a T-shaped rotating rod, a circular box, a third rotating shaft and a bent plate. According to the soil sampling and detecting device provided by the invention, the form of the corresponding hub needs to be adjusted in the transferring process for pushing and transferring; the device can be suitable for rolling of different types of road surfaces; and when the road condition of the soil conveying road surface is poor, transferring can be conducted in a manual carrying mode; time and labor are saved in the operation process; the working efficiency is improved; the device is suitablefor transferring of two kinds of road surfaces; and the application range of the transferring process is widened.

The invention provides a method for preparing a positive material of a high-power lithium ion battery. The positive material is LiNixCo1-x-yMnyO2 (0<=x, y<=1, and x+y<=1). The method comprises the following steps: choosing a 0.1-10mu m template ball body, performing emulsification dispersing on the template ball body, adding metal salt solution, then adding precipitator, enabling metal ions to evenly deposit on the surface of the template ball body under the effect of the precipitator, performing hot filtering on the template ball body with the metal ions deposited on the surface to obtain an organic-inorganic compound core shell structure material, and performing thermal treatment to obtain the hollow positive material by evenly mixing the organic-inorganic compound core shell structure material with the lithium salt, wherein the metal salt is metal salt of Ni, Co and Mn. The obtained ternary material has regular hollow spherical shape, is even in grain size and grain fineness distribution, can improve the absorbing/releasing capability on non-water electrolyte of active substances, effectively shortens embedding and de-embedding of the lithium ions, accordingly enhances the storage/transmission performance of the lithium ion battery, and provides effective support for large-current high-magnification charging and discharging, and the compounded ternary material can be applied to power battery materials.

The invention relates to a contact-type advanced recycling system for the waste heat of low-temperature flue gas, and belongs to the technical field of the advanced recycling of the waste heat of the flue gas. The system comprises a contact-type advanced recycling subsystem for the waste heat of the low-temperature flue gas, a heat storage and water quality maintaining purification subsystem and a waste heat output utilization subsystem, wherein the contact-type advanced recycling subsystem for the waste heat of the low-temperature flue gas mainly comprises a water retaining condenser with a multifunctional fin, a water distributor, a contact-type spray tower and a spray pump; the heat storage and water quality maintaining purification subsystem mainly comprises a hot water sedimentation water storage tank, a drainage pipe, an overflow pipe, a circulating pump and an full-automatic water quality measuring control maintainer; and the waste heat output utilization subsystem mainly comprises a plate-type heat exchanger and a water feeding pump. By utilizing the contact-type advanced recycling system, the sensible heat of the flue gas is recovered, and a large amount of water vapor latent heat in liquid and gas fuel flue gas is also recovered; therefore, the contact-type advanced recycling system has the effects of washing and purifying the flue gas and the effects of washing and weakening acid corrosion on equipment and flues.