31results about How to "Free passage" patented technology

The invention relates to an application of a porous ion conducting membrane in a lithium-sulfur battery. The porous ion conducting membrane is a typical asymmetric porous membrane in structure, and is formed by superimposing a dense surface layer and a macroporous support layer; the aperture of the membrane surface layer is about 8-10nm; the porosity is 30%-70%; the thickness is 8-20 microns; the thickness of the macroporous support layer is 10-50 microns; the mean size of holes is 2-5 microns; and the porosity is 50%-80%. The prepared porous ion conducting membrane is applied to the lithium-sulfur battery; the controllability on the current efficiency of the lithium-sulfur battery can be achieved by adjusting the aperture of the membrane; and relatively high energy conversion efficiency and cycling stability are obtained.

The invention provides a high-energy-efficiency cooperative area detection method for an unmanned ship. The method comprises the steps that an advancing mode based on an Archimedes spiral is adopted for the unmanned ship to serve as a main body movement mode in an area; regular hexagon-based sub-region division is carried out on the to-be-detected region, and an obstacle region and a free region are divided; and task area distribution is carried out on each unmanned ship, and respective advancing routes are planned. According to the invention, an advancing mode based on an Archimedes spiral isadopted, so that the unmanned ship always advances at a constant speed in a subarea detection process. According to the invention, regular hexagon-based sub-region division is carried out on the to-be-detected region, so that the unmanned ship has a relatively high coverage rate on the basis of Archimedes spiral advancing. The invention provides a task area distribution mode based on energy consumption balance, so that the task area size of each unmanned ship is equivalent to the greatest extent, and the energy consumption of the unmanned ship is ensured to be balanced as much as possible.

The invention belongs to the field of air purification and discloses a purification device for removing air-carried life particles. The purification device comprises a guiding jet device, a particle collector, at least one filter, an axial flow fan and a casing. By utilizing air jet flow impact, the life particles in the air are separated and inactivated, and thus sterilization efficiency is improved; air flow flows through a filtering device, so that the remaining air-carried particles are removed, and finally an effect of purifying indoor air is achieved. According to the device, a microwave heating method is further adopted, so that the whole device, and particularly the filter, maintain a dry state, and reproduction of microorganisms in the purification device and on the wall of the purification device is avoided. The device can be placed in an indoor air purifier or an air conditioning system pipeline, and is of great significance for reducing the content of disease source particles in the air and improving workers' health level and safety guarantee capacity of a building.

The invention relates to a vancomycin slow release microsphere with magnetic filed compliance and a preparation method thereof. The preparation method comprises the following steps: dissolving chitosan in organic solvent with emulsifying method, dispersing vancomycin and nanoscale ferroferric oxide magnetic powder, then slowly adding dispersing medium, and then adding surfactant, so that water and oil phase are mutually formed as one phase and surface tension is decreased; after emulsifying, adding crosslinking agent, so that chitosan crosslinks to form macromolecule and enwrap the vancomycin and ferroferric oxide magnetic powder; and finally, filtering and drying to obtain vancomycin slow release microsphere with magnetic filed compliance. After being infused to body, the microsphere can gather in local pathologic change part under guidance of outer magnetic field so as to improve local drug concentration and reach the purpose of targeted therapy of drug. The use of the vancomycin slow release microsphere with magnetic filed compliance can greatly improve the efficiency of drugs.

In the present invention, head of hospital bed with function of static pressure box has grid form air suction inlet on it; the static pressure box is flexibly connected with fan box through air duct to negative pressure is generated in static pressure box to draw-in air above hospital bed through air inlet and fan box heating disinfection section and high voltage static disinfection are exported when fan is on work; the device is interlock-controlled so sections of heating disinfection and high voltage static disinfection are started up simultaneously when fan is started up as heating power is set according to outlet temperature.

The invention provides a high-temperature molten aluminum filtering and quantitative casting device. The high-temperature molten aluminum filtering and quantitative casting device is accurate in feeding quantity, free of product waste and capable of filtering out and removing large-particle impurities. The high-temperature molten aluminum filtering and quantitative casting device comprises a smelting furnace and a mold conveyor belt. A plurality of molds are equidistantly arranged on the mold conveyor belt. A rotary disk arranged above the conveyor belt through a support. The tail end of a spindle of the rotary disk is connected with a rotary disk power unit. A plurality of casting channels are uniformly distributed on the rotary disk. One end of each casting channel communicates with thesmelting furnace through a molten aluminum channel, and the other end of each casting channel is connected with the corresponding mold. The high-temperature molten aluminum filtering and quantitativecasting device further comprises a PLC device. The molten aluminum channels include the first molten aluminum channel communicating with the smelting furnace, the third molten aluminum channel matchedwith the casting channels and the second molten aluminum channel connecting the first molten aluminum channel with the second molten aluminum channel. Filter devices are arranged between the first molten aluminum channel and the second molten aluminum channel and the between the second molten aluminum channel and the third molten aluminum channel.

The invention discloses a steel water stone separation blocking dam and a mounting method thereof. The dam comprises a concrete foundation and a blocking dam body structure arranged on the concrete foundation; the blocking dam body structure comprises two blocking dam body steel pipe sets, each blocking dam body steel pipe set comprises at least two blocking dam body steel pipes arranged on one plane in parallel, the two blocking dam body steel pipe sets are symmetrically fixed to the concrete foundation, every two adjacent blocking dam body steel pipes are connected through a fixing pipe, a horizontal base bottom plate is welded to the lower end of each blocking dam body steel pipe, and the base bottom plate and the concrete foundation are fixedly connected through foot margin anchor rods. A steel structure is adopted to serve as a blocking dam body, mounting construction is convenient, good water permeability is achieved, river water and gravel are separated, massive rocks and large broken stone are intercepted, water and sand can freely pass, the water flow is not affected, and cleaning is facilitated.

The invention discloses a space-adjustable aquatic plant co-culture device. The space-adjustable aquatic plant co-culture device comprises a first stainless steel grid mesh, a stainless steel grid mesh, a third stainless steel grid mesh, a co-culture glass tank and glass strips and is characterized in that the glass strips are fixed to the first long side face and the second long side face of the rectangular co-culture glass tank through glass cement; the first stainless steel grid mesh, the second stainless steel grid mesh and the third stainless steel grid mesh are inserted in a groove formed by the glass strips freely or at equal intervals. The space-adjustable aquatic plant co-culture device is simple in structure, convenient to maintain and low in cost, experiment errors are substantially reduced, experiment efficiency is improved, the experiment accuracy rate is increased and experiment precision is improved. The stainless steel grid meshes have the advantages that the grid meshes are resistant to acid and alkali corrosion and high-temperature oxidization and trace level chemical substances released by plants in a co-culture system are not adsorbed, and the stainless steel grid meshes can be used for a chemical competition experiment and high-temperature sterilization before the experiment. The grid meshes can be reused after the experiment ends.

The invention discloses a flapping-wing aircraft. People have been long expecting the dream of flying by flapping wings to come true. In the invention, a structure combining small and large wings is used for realizing flying by flapping wings, and with smart conception and reasonable power, flight can be realized. The flapping-wing aircraft solves the problem that the flapping wings need to flap and to stop and release air flow at the same time by combining the flapping and stopping and releasing air flow smartly in a way that the large wings flap while the small wings stop and release air flow. In the flapping process of the large wings, a resistance is generated for producing a raising force, and thus, flying by flapping wings is realized.

The invention relates to the field of bee breeding, in particular to a bee box with a queen wasp prisoning device. The bee box comprises a box body with an opening, supporting legs are arranged on theperiphery of a lower box wall, and an auxiliary cover, a honey box and a hive box are successively arranged between an upper box cover and the lower box wall; a vertically placed partition plate in aflat base tapered shape is in coupling connection with the inside of the honey box, and a vertically placed rectangular hive plate is in clearance fit with the inside of the hive box; an opening is formed in the center of a box cover, the queen wasp prisoning device penetrates through the opening and comprises a main rod, and the lower end of the main rod is slidably connected with a cylindricalsleeve, the sleeve is slidably connected with the main rod, and a transverse horizontal plate is placed below the sleeve; at least five cage bars surrounding the cylindrical sleeve to form a round matrix are welded with the sleeve and the transverse horizontal plate, and the distance between any two adjacent cage bars is same. The purpose is that by utilizing the cage bars, the sleeve and the transverse horizontal plate, a sliding block connecting rod mechanism is formed, the activity range of the queen wasp in the queen wasp prisoning device is gradually expanded, and therefore the problem that due to the fact that the queen bee is released, the queen wasp is in a rage state to run around, so that worker bees are irritated to surround the queen wasp is solved.

The invention provides a preparation method and application of an electrochemical sensor based on a tyrosinase nanocapsule. The preparation method comprises the following steps: firstly, performing surface modification of tyrosinase: adding an alkenyl-containing group, and immobilizing alkenyl-containing small molecules on the surface of enzyme molecules in modes of adsorption, covalent crosslinking and the like to make the enzyme molecules become polymerizable enzyme single molecules; then carrying out in-situ free radical polymerization: adding a stabilizer, a monomer, a cross-linking agent and an initiator into a surface-modified tyrosinase solution, and carrying out in-situ free radical polymerization to enable the polymer to form a thin-layer network polymer on the surface of an enzyme molecule so as to form an enzyme single-molecule nanocapsule; freeze-drying to obtain the tyrosinase nanocapsule; and finally, preparing the electrochemical sensor based on the tyrosinase nanocapsule. The sensor is high in sensitivity, low in detection limit, high in selectivity, high in stability, reliable, portable, low in cost and simple in preparation method.

The invention discloses a preparation method and application of a titanium silicalite molecular sieve catalyst. The preparation method comprises the following steps: 1) synthesizing a TM-HTS catalyst doped with an Ag element, namely an Ag-HTS catalyst; and 2) introducing ammonia gas into the Ag-HTS catalyst under the protection of inert gas, heating to 300-800 DEG C, and reducing for 1-5 hours. The application refers to application of the titanium silicalite molecular sieve catalyst in visible light catalytic oxidation reaction, especially application in catalytic oxidation of cyclohexene. The response wavelength of the titanium silicalite molecular sieve can be prolonged to a visible light region, and the total selectivity of 2-cyclohexenol and 2-cyclohexenone is as high as 95.5% under the condition of high conversion rate; in the absence of a solvent and an initiator, the cyclohexene is catalytically oxidized in a light path form, so that the energy consumption is reduced, the types of oxidation products of the cyclohexene are controlled, and the total selectivity of the 2-cyclohexenol and the 2-cyclohexenone is improved.

The invention discloses an efficient egg-carried hatching device for procambarus clarkii and an experimental method. A water inlet is formed in a higher position of a side surface of one side of a boxbody, a water outlet is formed in the bottom of a side surface of the other side of the box body, microporous aeration equipment comprises an oxygen inlet pipe and microporous aeration bubble strips,the oxygen inlet pipe is arranged outside the box body, the microporous aeration bubble strips are arranged on the bottom of the interior of the box body, a PVC square pipe is arranged on the bottomof the interior of the box body, first storage racks are arranged on the inner walls of two sides of the PVC square pipe, second storage racks are arranged below the first storage racks on the two sides of the PVC square pipe, and plant fibers are arranged on the first storage racks and the second storage racks. The accommodation capacity of the egg-carried procambarus clarkii in unit area can beincreased by the aid of the multilayer egg-carried hatching device, the activity area of juvenile procambarus clarkii can be enlarged by the aid of limited space, the device is convenient to transportand easy to operate, the breeding habitat of the egg-carried procambarus clarkii and juvenile procambarus clarkii can be improved, and the hatching rate of eggs, the hatching amount in unit area andthe quality of the juvenile procambarus clarkii are improved.