355results about How to "Help remove" patented technology

The invention discloses a supercritical water oxidation reaction system for obtaining the heat supplemented by auxiliary fuel. The supercritical water oxidation reaction system comprises a reactor, a material device, an oxidant device, a desalting device, a fuel supplementing device and a cooling water device, wherein the material device is communicated with a material inlet on a reactor end cover; the oxidant device is communicated with an oxidant inlet on the reactor end cover; and the desalting device is communicated with a solid salt outlet at the bottom of the reactor. The energy is supplemented to the system by the auxiliary fuel, thereby reducing higher equipment input and operation cost brought by arranging an electric heater; by adopting the single-pass heat return, on the premise of ensuring the effective heat of a recovering system, the complexity of the system is reduced and further the equipment input is reduced and the operating and running stability of the system is improved; and a reasonable desalting scheme is provided for simultaneously desorbing solid salts and soluble salts generated in the reaction process. The supercritical water oxidation reaction system canbe widely applied to the innocent treatment process of high-condensation pollutants, such as organic wastewater / landfill leachate, and the like which are difficult to biochemically degrade.

The invention relates to a method for coagulating coal-bed gas produced water, which is realized in a way that: coal-bed gas produced water is coagulated by combining a chemical compounded from an inorganic coagulant and an organic flocculant with a coagulation assistant, or combining an inorganic coagulant, an organic flocculant and a coagulation assistant; a pretreatment pool is arranged at the outlet of the coal-bed gas produced water, a coagulation assistant dissolving box is arranged at the water inlet of the pretreatment pool, and the amount of the coagulation assistant is controlled by using a measuring pump or flowmeter; and the coal-bed gas produced water is firstly conditioned by the coagulation assistant, and then treated by the chemical compounded from the inorganic coagulant and the organic flocculant, or treated by combining the inorganic coagulant and organic flocculant. The amounts of the compounded or combined inorganic coagulant and organic flocculant are controlled by using the measuring pump or flowmeter, thereby effectively removing suspended matters in the coal-bed gas produced water, being beneficial to removing oil, multiple soluble ions, other organic substances and the like, reducing the consumption of chemicals and relieving the treatment load of the subsequent technique, so that the treated produced water can be discharged under the standard or can be conveniently recycled.

The invention relates to a cushion living good, and particularly relates to a functional cushion. The cushion comprises a first base layer and a cushion layer arranged above the base layer, wherein a first health-care layer and a second health-care layer are at least sequentially arranged below the cushion layer. The first health-care layer comprises a bamboo charcoal layer and tourmaline particles and / or a negative ion power layer which are arranged in a staggered manner. The cushion layer is provided with a sunken area for accommodating the buttocks, the sunken area accommodates at least one traditional Chinese medicine bag, and traditional Chinese medicines in the traditional Chinese medicine bag at least comprise one or more of chrysanthemum, mint, spina date seeds, negundo chastetree fruitsa or fructus cannabis. The second health-care layer comprises flexible magnetic massage beads and flexible magnetic strips arranged in the circumferential direction of the second health-care layer. The flexible magnetic strips are threaded inside or on the surface of the basic layer through an elastic line. The flexible magnetic strips are fixed on the base layer by way of insertion, coating or adhesion. The cushion provided by the invention can realize a life-preserving manner of comprehensively coordinating health.

The invention discloses a preparation method for a composite material of cellulose nanofiber and reinforced polyurethane. The method comprises the following steps: 1) pretreating in a chemical method; 2) unfastening fibers in a mechanical method. According to the invention, chemical treatment and mechanical treatment are adopted to separate the cellulose nanofiber, which has a high length diameter ratio and is used for reinforced polyurethane, from newspaper; the transparent nano composite material with high-intensity is prepared; wood meal and newspaper are adopted as raw materials to prepare cellulose nanofiber through the chemical treatment combined with the mechanical treatment; the diameter range of the cellulose nanofiber is 30-100 nm, and the length diameter ratio is higher than 1000.

The invention relates to a method for preparing a cellulose nano-fibril film by utilizing wood powder, which comprises the following steps: 1) chemically pre-processing; 2) mechanically separating; and 3) preparing a film. The method has the advantages: the acid-base pre-processing is combined with wood powder grinding and is adopted for preparing; the lignin in the wood powder is removed by mainly utilizing sodium chlorite under an acidic condition; the half-fibril is removed by using the diluted potassium hydroxide and the remained substrate is cellulose; and the diluted hydrochloric acid is used for splitting the cellulose. The acting force of hydrogen bonds in the fibril is reduced by adopting the splitting treatment, so that the biomass cellulose nano-fibril at high length-diameter ratio is obtained; the mineral substance in the fiber is removed by utilizing HCl treatment, the alkali insoluble half-cellulose in the purified cellulose is influenced and the effect of purifying the cellulose fiber is achieved; the chemical constituents are detected through Fourier transform infrared; the grinding treatment is simple and easy to operate and the mass production is performed; the modulus of elasticity is 3105.27MPa; and the tensile strength is 64.24MPa.

The invention discloses a microcrystalline glass ceramic binding agent, a preparing method thereof, an SG grinding wheel and a preparing method thereof. The binding agent is prepared from, by weight percentage, 40% to 65% of SiO2, 6% to 20% of Al2O3, 5% to 18% of Na2O, 0.5% to 5% of CaO, 3% to 10% of K2O, 8% to 35% of B2O3, 0.5% to 2% of MgO and 2% to 6% of TiO2. The microcrystalline glass ceramic binding agent is formed by reasonably selecting the raw materials, the scientific ratio is adopted, the binding agent has the beneficial effects of being low in thermal expansion coefficient and crystallization temperature and high in strength accordingly, the microcrystalline glass ceramic binding agent is suitable for being used as a binding agent of the SG grinding wheel, the firing temperature of the SG grinding wheel is greatly reduced, and the firing time of the SG grinding wheel is greatly shortened; and meanwhile the work efficiency and the machining accuracy of the SG grinding wheel are improved, grinding heat is reduced, and the service life of the grinding wheel is prolonged.

The invention relates to the field of preparation of aluminum nitride ceramics and provides a method for preparing high-heat-conductivity aluminum nitride ceramics by self-propagating powder. Heat conductivity of the aluminum nitride ceramics obtained by the method is larger than 160 W / m by K, heat transfer performance is high, and high-power LED packaging requirements can be met. The method includes of thermal pre-treatment of self-propagating powder and preparation of tape casting slurry, tape casting green-ware and ceramic substrates. The thermal-pretreatment of the self-propagating powder includes treating the self-propagating aluminum nitride powder in a graphite oven at the high temperature, the preparation of tape casting slurry includes preparing sintering additives which are Y2O3 and TiO2 composition, the Y2O3 additive amount is 3-8wt%, the TiO2 additive amount is 0.5-1wt%, and the preparation of ceramic substrates adopts high-temperature pressureless sintering.

The invention relates to a method for preparing a cellulose nano-grade filament film by using recovered waste paper. The method comprises the steps of chemical pretreatment, mechanical separation, and film preparation. The method has the advantages that: the film is prepared through a combination of acid-alkali pretreatment and wood powder grinding; lignin in the wood powder is removed mainly by using sodium chlorite in an acidic condition; hemicellulose in the wood powder is removed by using dilute potassium hydroxide, and the rest is substantially cellulose; and the cellulose is subjected to a fiber-opening process by using dilute hydrochloric acid. With the fiber-opening process, hydrogen bonding interactions in the filaments are reduced, such that biomass cellulose nano-grade filaments with high length-diameter ratios are obtained. Minerals in the fibers are removed through hydrochloric acid treatment, and alkali-insoluble hemicellulose in purified cellulose is affected, such that an effect of cellulose fiber purification is achieved. The chemical components are detected through Fourier transform infrared. The grinding treatment is simple and easy to operate, such that large-scale production can be carried out. An elastic modulus is 2901.14MPa, and a tensile strength is 63.26MPa.

The invention relates to a one-bath processing method for pure-cotton knitted fabric scouring and bleaching and pigment dyeing, belonging to the technical field of textile dyeing and finishing. The process adopted in the invention comprises the following steps: (1) carrying out scouring and bleaching treatment on pure-cotton knitted fabric, wherein waste liquid discharge is not needed after the treatment is completed; (2) after the scouring and bleaching treatment is completed, adjusting the treating fluid to a certain condition, and then adding catalase, so that residual hydrogen peroxide is sufficiently decomposed; and (3) preparing a pigment dyeing solution by utilizing the residual fluid and dyeing the pure-cotton knitted fabric, adding a binding agent to the residual fluid after the dyeing is completed for fixation, and finally taking out the knitted fabric and carrying out dehydration, drying and curing treatment. According to the invention, two processes, namely pure-cotton knitted fabric scouring and bleaching and pigment dyeing, are combined and carried out in a same treatment bath, thereby not only ensuring the dyeing effect, but also repeatedly utilizing the scouring and bleaching residual fluid, and being remarkable in water-saving and energy-saving effects.

The braking energy recovering device for electromobile consists of one small DC generator, one stepless speed changing friction wheel clutch, one braking handle, and one energy recovering and monitoring circuit. The device brakes through turning the handle, raises speed with the elastic ball with high friction coefficient to mesh with the wheel, and generates electricity with the DC generator. Changing the force to the handle can realize the stepless control of the braking speed. The braking generated electric energy is stored in the capacitor, converted in a chopping and boosting circuit to proper level and charged to the accumulator, and the electric energy is fed back under the control of a monolithic computer, with the energy recovering state being output to the man-machine interface. The present invention can save energy and reduce braking noise.

The invention provides vacuum pulsation ultrasonic drying equipment, which comprises a drying room, an air supply system, a pulsation system, a circulating cooling control system, a vacuum control system, an ultrasonic control system, an ultrasonic transducer and the like. According to the equipment, by coupling the cavitation effect, the mechanical effect, the heat effect and the like of ultrasonic waves with vacuum pulsation, high-efficiency rapidly drying of a material is realized. The equipment is suitable for rapidly drying foodstuffs, medicines and biological materials, is especially suitable for drying high-viscosity thermosensitive natural products, and has the advantages that the energy consumption is saved, the drying time is shortened, the physical and chemical properties of the products are kept, and the like.

The invention discloses a fine coal microwave medium intensified magnetic separation cleaning system and a fine coal microwave medium intensified magnetic separation cleaning process. The process comprises the following steps: preparing materials, performing microwave pretreatment, performing magnetic separation, desulfurization and ash fall, and recovering the magnetic medium; allowing coal to be selected to enter a coal mill for milling the coal, feeding the coal into a pulverized coal bin, feeding the powdered coal and the magnetic medium into a mixing barrel for uniformly stirring and mixing; allowing the mixed materials to enter a buffer bin, allowing the materials to enter microwave treatment equipment for performing pretreatment, treating organic sulfur removed from the coal through a gas trapping treatment device, allowing the materials subjected to the microwave pretreatment to enter a first-section strong magnetic separation machine for performing magnetic separation, allowing the tailings to enter a second-section strong magnetic separation machine for separating again, allowing the tailings to enter a clean coal bin, and allowing the first and second section strong magnetic separation concentrate to enter a first-section weak magnetic separation machine for performing magnetic separation; and allowing the concentrate to enter a second-section weak magnetic separation machine for performing magnetic separation, returning the concentrate back to a magnetic medium barrel for recycling, and allowing the first and second section weak magnetic separation tailings to enter a tailing bin. According to the system and the process, simplicity is realized, the rout is reasonable, the treatment capacity is high and the operation is stable, and environmental pollution caused by fire coal can be effectively alleviated.

The invention discloses an air conditioner and an air conditioner door plank control method and device. The method comprises the steps that the air conditioner door plank control method comprises the following steps that a drive motor is used for controlling a door plank of an air conditioner to move in the first direction; in the process of controlling the movement of the door plank in the first direction, whether the door plank encounters an obstacle or not is detected; and if the door plank encounters the obstacle, the drive motor is used for controlling the door plank to move by the preset distance in the second direction, the rotation angle of the drive motor is offset after the door plank moves by the preset distance, and the drive motor is used for controlling the door plank to move in the first direction again according to the rotation angle obtained after compensation. Accordingly, when it is detected that the door plank encounters the obstacle every time, the rotation angle of the drive motor is offset, it can be guaranteed that after the obstacle is removed, the door plank of the air conditioner can be closed tightly without gaps, the product attractiveness degree is guaranteed, and the experience of users is enhanced.

The invention discloses a tailings disposing and filling method and belongs to the field of tailings utilization and disposal. The method includes: grading tailing pulp to obtain fine-particle tailings pulp and coarse-particle tailings; dewatering the fine-particle tailings pulp and the coarse-particle tailings pulp respectively according to application to obtain fine-particle tailings and fine aggregate and coarse-particle tailings for granulation, mortar and dry-mixed mortar; sintering the fine-particle tailings at high temperature, and adding a binding material into the coarse-particle tailings for granulation, mortar and dry-mixed mortar to obtain coarse aggregate, a mortar material and a dry-mixed mortar material; mixing the coarse aggregate and the fine aggregate, conveying the samedown into a well through a filling well, conveying the mortar material down into the well through a filling pipe, mixing, and then filling; conveying the dry-mixed mortar material down into the well to be mixed with pipe flushing water to prepare a dry-mixed mortar material mixture, mixing the mixture with the aggregate, and filling. By the method, treating and hardening time of the filling material can be shortened, strength of a filled body can be enhanced, downhole operation conditions can be improved, and pollution of underground environment can be reduced.

The invention belongs to the technical field of electronic installation and relates to a vacuum welding method for a thick film substrate and a power shell. Tin coating is conducted on the surface of a raw material according to the ratio of 1:1, and a high brazing rate with the voidage smaller than 5% is achieved. An SiC-Al composite material power shell is adopted to replace a 10# steel shell, and the product weight is reduced. Vacuum welding is adopted to replace reflow soldering, soldering lug Tin coating is adopted to replace soldering paste, it is favorable for removing residual bubbles caused by the fact that soldering flux is not discharged in time, the interface voidage is reduced, and the soldering flux does not need to be cleaned any more after vacuum welding. During vacuum welding, a soldering lug does not need to be added between the thick film substrate and the power shell, empty welding holes caused by surface oxidation of the soldering lug can be effectively removed, oxidation films on the surfaces of the thick film substrate and the power shell are removed by conducting Tin coating on the thick film substrate and the power shell, the clean welded surfaces are obtained, the wettability is improved, and an exhausting channel is smoother in the welding process.

The invention belongs to the field of genetic engineering of plants and discloses a method for building a high-efficiency regenerating and transforming system of Oryza sativaL. subsp. japonica 11 through cultivation of induction of embryogenic callus, subculture multiplication of embryogenic callus, transformation mediated by agrobacterium tumefaciens, cocultivation of embryogenic callus and agrobacterium tumefaciens, screening and cultivation of resistant callus and seedlings differentiation of resistant callus. The method has the advantages of simple technological processes, low production cost, and capabilities of obviously increasing the inductivity of the embryogenic callus, the subculture multiplication rate and the differentiation and regeneration rate of the embryogenic callus of the Oryza sativaL. subsp. japonica 11 and simultaneously shortening the period of obtaining regenerative rice plants; and on the basis, an improved agrobacterium tumefaciens-mediated method can be used for remarkably increasing the efficiency of obtaining the transgenosis rice plants and shortening the period of obtaining regenerative rice plants.

The invention discloses a barium slag removal turning table based on a crank connecting rod mechanism. Before the device works, the crank disc rotates under the action of the turning motor, so that the connecting frame rod is located at one of the limit positions, and this position makes the connecting frame rod vertical On the level ground, so that the turning table is in a horizontal state, then the operator places the hopper on the turning table through the equipment, the operator turns the compression handwheel to make the locking screw press the side of the hopper, and then the turning motor starts, through the two-axis The reducer makes the crank disc rotate until the connecting frame rod is at another limit position. At this time, the turning table tilts, and the materials inside the hopper fall to the ground under the action of its own gravity to complete the unloading process of the barium salt firing hopper. The turning table Lifting equipment removes the material box when it is turned to the horizontal position again. The device can dump the materials in the material box at one time, and the amount of dust generated when the materials fall to the ground is small, which is conducive to maintaining a clean working environment and reducing the physical exertion of operators.

Internal dimensions for fixed-type constant velocity universal joints are defined to optimize the geometry of the components of the joints and to readily achieve a larger operating angle of the joints. In the joint, the track grooves of an outer ring and an inner ring are tapered by an angle not exceeding 12 DEG . The ratio (f / PCR) of the cage offset amount f to PCR is greater than 0 and smaller than or equal to 0.12. The ratio (Do / d) of the cage outer diameter (Do) to the ball diameter (d), the ratio (t / d) of the cage wall thickness (t) to the ball diameter (d), and the ratio (w / d) of the cage width (w) to the ball diameter (d) are such that 3.9<=Do / d<=4.1, 0.31<=t / d<=0.34, and 1.8<=w / d<=2.0, respectively. The end of the spherical outer surface of the cage adjacent to the open end is axially extended, and the end of the spherical inner surface of the cage adjacent to the open end is tapered so that the tapered surface has an increasing diameter toward the end of the spherical outer surface adjacent to the open end. Part of the spherical outer surface of the cage is cut on the open end side of pockets, and the outer diameter of the cage across the two opposing planer cut faces is smaller than the spigot diameter of the outer ring.

The invention provides an electrified cleaning agent for precise instruments and a preparation method of the electrified cleaning agent. The cleaning agent comprises cocamidopropyl betaine, nonylphenol polyoxyethylene ether, tetradecyl dimethyl benzyl ammonium, sodium tripolyphosphate, trisodium phosphate, sodium bicarbonate, sodium nitrite, 2-phenoxyethyl alcohol, pine oil, an antistatic agent, polyhydroxy polyamine, ethyl acetate and ethyl alcohol. The preparation method comprises the following steps: firstly adding cocamidopropyl betaine, nonylphenol polyoxyethylene ether, tetradecyl dimethyl benzyl ammonium and sodium tripolyphosphate to ethyl alcohol, so as to obtain a mixture I; adding trisodium phosphate, sodium bicarbonate, the sodium nitrite and 2-phenoxyethyl alcohol to ethyl acetate, so as to obtain a mixture II; and finally mixing the mixture I with the mixture II, and then adding the residual components, so as to obtain the cleaning agent. The cleaning agent is excellent in performance, and can be used as the electrified cleaning agent for the precise instruments.

The invention discloses a multi-target magnetic immunochemiluminescence micro-fluidic chip detection platform and method, and belongs to the field of rapid diagnosis in vitro. The detection platform comprises a sample introduction hole, a liquid flow connection channel, a target detection area, a liquid waste port, a cleaning liquid pool and a luminescent liquid pool; the target detection area comprises a coating area, a mixing area and capture areas, which are connected in sequence; the detection method comprises the following steps: injecting a sample into the sample introduction hole, so that the sample flows by the liquid flow connection channel, redissolves an antibody in the coating area and forms a target compound to be captured, causing the remaining sample to flow by the downstream coating area to form the target compound, capturing the target compound, until target molecules in the sample are captured separately; and then, removing free non-target molecules by using cleaningliquid, releasing the luminescent liquid, causing the same to flow by the capture areas in sequence, and performing signal collection. The platform integrates sample introduction, magnetic absorption,high-efficiency capture and separation and fast detection, and can detect multiple targets on one chip at the same time, and the multi-target magnetic immunochemiluminescence micro-fluidic chip detection platform has the characteristics of convenient operation, fast detection, low cost, etc.

The invention relates to a straw-degrading composite microbial inoculum which is prepared by mixing a microbial inoculum No.I and a microbial inoculum No.II, wherein the microbial inoculum No.I comprises phanerochete chrysosporium, cacillus and streptomycete; and the microbial inoculum No.II comprises trichoderma, penicillium, aspergillus and actinomycete. The application method of the high-efficiency straw-degrading composite microbial inoculum in pretreatment of ethanol production comprises the following steps: soaking crushed straws in ammonia water to carry out cleaning treatment; adding a nutrient solution to prepare a fermentation substrate; spraying the high-efficiency straw-degrading composite microbial inoculum, and carrying out fermentation treatment for two days; and filtering,and washing with water to neutral, thus obtaining the pretreatment product for ethanol production. The invention has the following advantages: the treatment of soaking straws in ammonia water is beneficial to removing lignin, increasing the enzyme contact area of celluloses and hemicelluloses and improving the pretreatment efficiency; and by combining the microbial inoculum and the fermentation process to degrade straws, different microbes can secrete complementary enzymes in the degradation process, so that the substrate can be thoroughly degraded, thereby improving the biomass resource utilization rate. Besides, the invention is simple in process and convenient to implement, and can not do harm to the environment.

The invention provides an ultralow-emission, water-saving and smoke suppression synergistic advanced purification system and a method thereof. The system and the method are used for further processing outlet smoke in order to meet ultralow emission, smoke suppression and water saving synergistic advanced purification requirements. The system mainly includes a slight cooling phase change aggregation promoter, a multi-pollutant trap and a gentle heating smoke eliminator which are sequentially arranged in the outlet flue of a desulfurization tower, smoke discharged from the desulfurization tower is sequentially processed through the slight cooling phase change aggregation promoter, the multi-pollutant trap and the gentle heating smoke eliminator, and the processed smoke is discharged through a chimney. Compared with present routine methods with large energy consumed in direct heating of saturated or supersaturated smoke containing a large amount of water vapor to an unsaturated state through directly heating the smoke and alleviating white smoke escaping of the chimney, the method adopting slight cooling and gentle heating to suppress smoke purification, adopted in the smoke suppression synergistic purification system in the invention has the advantages of promotion of removal of fine particles, droplets, soluble salts and other pollutants, recovery of water in the smoke, obvious energy saving and consumption reduction, and true realization of smoke suppression.

The invention provides a fluorescence in-situ hybridization method for asparagus fern medium-term chromosomes. An asparagus fern medium-term chromosome specimen is prepared by a drop-spreading technique, and by the method, a high-quality asparagus fern chromosome preparation can be obtained. On the basis, fluorescein is used for marking a 45 S rDNA or / and 5D rDNA probe; finally, fluorescence in-situ hybridization of the chromosomes is carried out; and after hybridization of the chromosomes by the probe, fluorescence signals can be directly detected, and therefore, the copy number and the position of a targeted DNA fragment on the chromosomes are determined. The asparagus fern chromosomes which are obtained by the preparation and the fluorescence in-situ hybridization method are complete in morphology, high in hybridization specificity and good in repeatability, operation steps are simple, a large amount of time can be saved, and the fluorescence in-situ hybridization method can be used for identification and structure research of the asparagus fern chromosomes, and provides a new path for evolution research and the like of asparagus linn.

The invention relates to an excess hydrogen sterilization washing machine and belongs to the technical field of washing machines. The washing machine comprises a washing machine cylinder body and an electrolysis power supply. At least one electrolysis unit is arranged in the washing machine cylinder body. The electrolysis unit comprises at least one pair of a cathode and an anode. The electrolysis power supply is used for providing power for the cathode and the anode. A water permeable membrane is arranged between the anode and the cathode which are paired. Water permeable hole diameters of the water permeable membrane are smaller than or equal to 2 mm and are larger than or equal to 1 mm. The washing machine can generate washing water which contains a large number of ultra-micro air bubbles and strong oxidation factors and has great reducibility, and accordingly the excess hydrogen sterilization washing machine is suitable for washing of clothes of women (especially pregnant women) and infants.

The invention relates to the field of preparation of aluminum nitride ceramics and provides a method for preparing high-heat-conductivity aluminum nitride ceramics by self-propagating powder. Heat conductivity of the aluminum nitride ceramics obtained by the method is larger than 160 W / m by K, heat transfer performance is high, and high-power LED packaging requirements can be met. The method includes of thermal pre-treatment of self-propagating powder and preparation of tape casting slurry, tape casting green-ware and ceramic substrates. The thermal-pretreatment of the self-propagating powder includes treating the self-propagating aluminum nitride powder in a graphite oven at the high temperature, the preparation of tape casting slurry includes preparing sintering additives which are Y2O3 and TiO2 composition, the Y2O3 additive amount is 3-8wt%, the TiO2 additive amount is 0.5-1wt%, and the preparation of ceramic substrates adopts high-temperature pressureless sintering.

The invention provides a semi-closed type timing constant-volume thermodynamic circulation method and a semi-closed type timing constant-volume thermodynamic circulation system of a prime motor. The thermodynamic circulation method comprises six processes, namely multi-compression-stage intercooling, countercurrent heat exchanging, timing constant-volume burning, adiabatic expansion, aftercooling, and carbon dioxide and water removal. Heat-power conversion is achieved in the thermodynamic circulation. In the process of multi-compression-stage intercooling, compression power consumption is lowered; in the process of countercurrent heat exchanging, the enthalpy of an expanded working medium is recovered to participate in thermodynamic circulation; the process of timing constant-volume burning effectively inhibits the generation of harmful pollutants such as HC, CO, PM and NOx; in the process of adiabatic expansion, complete expansion for working is achieved; in the process of aftercooling, the working medium is further cooled to the environment temperature and the expansion ratio in the process of adiabatic expansion is enhanced; in the process of carbon dioxide and water removal, the carbon dioxide and the water generated in the process of timing constant-volume burning are removed; the remaining work mediums participate in the next thermodynamic circulation. By the method and the system, the direction is defined for designing a high-efficiency low-pollutant-emission and high-performance prime motor in the future.

The invention relates to a positive electrode material for a lithium-sulfur secondary battery and a preparation method of the positive electrode material. Particularly, an activated carbon material with ultra-high specific surface area and large pore volume is prepared by adopting biomass waste mangosteen peel as a raw material through pre-carbonization and potassium hydroxide activation methods;and a carbon / sulfur composite material is further prepared by adopting the activated carbon material as a carrier through a melting diffusion method. A test result shows that the initial discharge specific capacity of a positive electrode prepared from the carbon / sulfur composite material with the sulfur bearing capacity of 65% under the current of 0.5C is 870.5mAhg<->, the discharge specific capacity of the positive electrode after 100 cycles is 599.6mAhg<-1> and the discharge capacity after 100 cycles under the current of 2C is 569.2mAhg<->. The carbon / sulfur composite positive electrode material prepared by adopting the biomass waste mangosteen peel as the raw material is high in sulfur bearing capacity, good in chemical stability, high in specific capacity, good in rate capability, simple in preparation method and suitable for the lithium-sulfur secondary battery.

The invention relates to an apple pearl barley wine and a preparation method thereof. The wine is prepared by combining and fermenting pearl barley and apples, wherein the mass ratio of pearl barley to apples is (1:4)-(2:1), alcohol content is 10.0-20.0% (v / v), total sugar is less than or equal to 50g / l, total acid is more than or equal to 2.0g / L, and volatilized acid is less than or equal to 1.0g / l; and the preparation process comprises squeeze and enzymolysis of apple juice, preparation of pearl barley stillage and preparation and fermentation of a yeast wine as well as press filtration and separation, ageing, acidity and sweetness regulation and filling in the subsequent processing processes. According to the invention, apples and pearl barley are combined and fermented, and the prepared apple pearl barley wine has double effects of apples and pearl barley, fills the gap in the field of a pearl barley wine, and is a beverage wine having high vitamin and protein contents and simultaneously has the anti-canner and health care functions.

The invention belongs to the technical field of preparation of anticorrosive coatings, and particularly relates to a preparation method and application of a modified anticorrosive super-hydrophobic integrated coating, the method comprises the following steps: respectively preparing a graphene titanium dioxide compound from graphene and tetrabutyl titanate, preparing a zinc-aluminum hydrotalcite anticorrosive material from sodium metavanadate, zinc chloride and aluminum chloride, preparing a PDMS organic emulsion from polydimethylsiloxane and tetrahydrofuran, then performing surface modification on the graphene titanium dioxide compound through dopamine hydrochloride and a zinc-aluminum hydrotalcite anticorrosive material to obtain a dopamine modified composite material, and finally, preparing the modified anticorrosive super-hydrophobic integrated coating from the dopamine modified composite material and a PDMS organic emulsion. Performance tests show that compared with a conventionalmarine anticorrosive coating, the coating prepared by the invention has better anticorrosive and super-hydrophobic effects, is applied to the field of marine corrosion prevention, and can effectivelyprolong the service life of the coating on a protective substrate.

The invention relates to the field of macromolecules and particularly relates to a preparation method of carbon granules used for air circulation of an air conditioner. The carbon granules are prepared by the following steps of: pretreating raw materials: feeding plant materials into a microwave vacuum tank, vacuumizing, and then carrying out microwave treatment; then sequentially drying, pre-carbonizing, carbonizing, sintering and cooling, controlling combustion to heat up to 700-750 DEG C or 900-1000 DEG C at the rate of 5-15 DEG C / min, preserving heat for 40-80 minutes, then heating up to 1000-1500 DEG C or 1600-1800 DEG C at the rate of 5-15 DEG C / min, preserving heat for 2-8 hours, then cooling to 300-400 DEG C at the rate of 18-25 DEG C / min, and then cooling to room temperature along with a furnace to obtain primary carbon; activating: mixing the obtained primary carbon with a 8-10% potassium oxalate solution according to the mass ratio of 1:(3-4), immersing for 3-5 hours, then cleaning with deionized water until the pH value is neutral, and then carrying out vacuum pressurized flame retardant treatment, primary bamboo vinegar treatment, secondary bamboo vinegar treatment and microwave treatment; and preparing carbon granules. The carbon granules prepared by the preparation method has good antistatic property and air purification effect, and has the flame retardant function.