219results about How to "Structure order" patented technology

A system, software, and methods related to enhanced pharmaceutical order entry and administration by medical personnel, and enhanced pharmaceutical inventory control within a medical institution are provided. An embodiment of the system includes a pharmaceutical information management server having memory and a medication administration program product including a set of instructions stored in the memory of the pharmaceutical information management server to enhance provision of pharmacy services. The system also includes medical institution physician computers to provide for computerized physician medication order entry, pharmacy computers to provide for review and verification by a pharmacist of electronic medication orders placed through the physician computers, and medical institution nursing unit computers, to provide for review of and input to electronic medication administration records.

The invention relates to an ordered zirconia-alumina mesoporous material and its preparation method, which belongs to the inorganic porous material and catalyst preparation field. The invention is characterized in that the material has a high and ordered mesoporous structure, its mesoporous diameter is 5.0-8.0nm, the specific surface area is 200-300m<2> / g, and the atomic ratio of Zr to Al of the material is 0.1-1.6. The synthetic method comprises the following steps: dissolving a surfactant, organic carboxylic acid and inorganic acid in an ethanol solution containing a little of deionized water according to the ratio of the synthetic material, adding zirconium source and aluminum source while stirring, continuously stirring for certain time, performing solvent volatilization on the reactant, heat treating and high temperature roasting to obtain the ordered zirconia-alumina mesoporous material. The invention has the advantages of simple process, high repetition rate and environmental protection.

Belonging to the fields of electroactive functional polymer film material preparation and selective separation of ions, the invention relates to a preparation method of an ion imprinted polymer film. The invention is characterized by relating to a preparation method of an ion imprinted polymer film with an electronic control cation exchange function. The method includes: preparing a water solution of the monomer for polymer preparation, an electrolyte solution, a protonic acid solution, an imprinted ion solution and a doping ion solution, then mixing the five solutions, conducting in situ polymerization on a conductive substrate by a monopolar pulse electrodeposition method so as to synthesize imprinted ion removed ferricyanic group doped polymer film by one step. Being simple and fast to operate, the method provided in the invention needs no additional pickling step and can realize imprinted ion removal in situ. Also, the preparation conditions are mild and are easy to control. The ion imprinted polymer film prepared by the method has an electronic control cation exchange function, and can be used for selective removal of heavy metal ions in water or separation recycling of rare earth ions.

The invention provides a preparation method of a titanium dioxide nanotube array with an orientation structure. The preparation method comprises the technological process and steps: placing a polished titanium sheet into NH4F, H2O and ethylene glycol for preparing the titanium dioxide nanotube array by adopting an anodic oxidization method, performing ultrasonic and nitrogen-purging to remove a thin membrane prepared after primary oxidization, then continuously performing secondary anodic oxidization, and washing the prepared titanium dioxide nanotube array in isopropanol; respectively annealing at the temperature of 450 DEG C at the temperature rise speed of 0.5DEG C / min under vacuum situation, insulating for two hours, annealing in the air, and comparing. The prepared titanium dioxide nanotube array with the aperture of about 100nm and the tube wall thickness of about 10nm is orderly in structure, the highly-crystallized orderly titanium dioxide nanotube array can be obtained under the vacuum annealing condition, the super capacitance capacity can achieve 9.44mF cm<-2>, a lithium battery can achieve 319mAh g<-1>, the prepared high crystallization-oriented titanium dioxide nanotube array has good application prospects in the aspect of energy storage.

The present invention is process of preparing plate porous membrane with high permeating flux. The process includes the following steps: 1. mixing certain amount of additive, solvent, polymer and magnetic material to compound filming liquid; and 2. applying 100-18000 gauss cross magnetic field during evaporating and coagulating to form membrane. The plate porous membrane with high permeating flux may be applied alone or as the porous support material for composite membrane.

The invention relates to a stationary phase material for the chromatogram of a spherical ordered mesoporous silica substance. Polyoxyethylene ether-polyoxyallyl ether-polyoxyethylene ether is adopted as a template, ethyl silicate is adopted as a silicon source, and the spherical ordered mesoporous silica synthesized by still-setting method serves as a substance in acid media; in a waterless condition, gamma-(2,3-epoxypropoxy) propyltrimethoxysilane is used for linking beta-cyclodextrin or a derivative thereof with chiral separation ability to the surface and the interior of the porous channel of the synthesized substance to prepare the filling of a chromatogram column. A test is carried out after homogenate is filled into the chromatogram column, thus successfully separating chiral medicine ibuprofen enantiomers with a separation degree of 2.03. The spherical ordered mesoporous silica prepared by the stationary phase material has relatively high specific surface area, does not need grinding classification, has simple technique, convenient preparation, evenly distributed particle diameter and pores with ordered structure and size arrangement and is beneficial to the linking of separation factors and the design of chromatogram stationary phase.

The invention relates to a preparation method of a reed-based biochar adsorption material. The preparation method is technically characterized by comprising the following steps of cleaning the reed stalk, drying and crushing; soaking the crushed reed stalk into a KOH (potassium hydroxide) solution to activate, and drying; putting the dried crushed reed stalk into an atmosphere furnace, and performing oxygen-free high-temperature cracking under the nitrogen or inert gas protection atmosphere; after high-temperature cracking treatment, cooling to room temperature, and cleaning the cracked material to be neutral by an acid solution, so as to prepare the reed-based biochar adsorption material. The preparation method has the advantages that the problems of pollution to environment and waste ofresources due to irresponsible disposal of the wetland plant wastes are solved; compared with the prior art, the specific surface area is large, the pollutant adsorption ability is strong, the environment-friendly value is greatly increased, and the resource utilization of the wastes is realized.

The invention provides an on-demand dissolved hydrogel dressing and a preparation method thereof. The on-demand dissolved hydrogel dressing is prepared from a natural polymer solution with a side chain containing a phenylboronic acid group, a natural polymer or polyvinyl alcohol solution with a side chain containing a catechol group and polydopamine coating functional nanoparticles through doublecrosslinking at room temperature according to a certain proportion. The injectable performance is regulated and controlled by regulating the polymer concentration and the proportion of phenylboronic acid groups to catechol groups or m-hydroxy groups; the hydrogel dressing is endowed with an on-demand dissolving function through breakage of a phenylboronic acid ester bond responded by glucose; andthrough release of the element-doped nanoparticles and metal ions thereof, the hydrogel dressing is endowed with multiple biological functions such as antibiosis, anti-inflammation, healing promotion,imaging, oxidative stress regulation and control and the like. The hydrogel dressing is prepared by a one-step method, the process is simple, the reaction conditions are mild, and the preparation efficiency is high. Due to the fact that the hydrogel dressing has various biological functions, the dressing has great application potential in the aspects of adhesion and repair of various wound surfaces such as the skin and the oral cavity and the like, especially in the field of painless dressing change.

The invention discloses a method for recycling lithium cobalt oxide from a waste positive electrode of a lithium cobalt oxide battery. The method comprises the following steps of: (1) feeding the waste positive electrode of the lithium cobalt oxide battery into a 1-2mol / L hydrochloric acid lixivium in which citric acid is dissolved, and reacting for 4-6 hours at 60-80 DEG C; (2) filtering the lixivium in the step (1) so as to separate aluminum foil and solid grains; and (3) washing and drying the solid grains; and (4) adding a lithium source into the solid grains to adjust the mass ratio of Co / Li in the solid grains, uniformly mixing, calcining and cooling so as to obtain lithium cobalt oxide. The method adopts the mixed acid of citric acid and hydrochloric acid as the lixivium so as to effectively separate a positive electrode material and the aluminum foil, the process is simple, and no toxic or harmful gases are generated. The first discharge capacity of recovered lithium cobalt oxide can still be 140mAh / g, and the discharge capacity after 40 times of charge and discharge circulation is not less than 90%.

The invention discloses a preparation method of a non-enzyme glucose sensor electrode material based on a CuO film. The preparation method mainly comprises the steps that 1, a conductive substrate is pretreated; 2, an electrochemical deposition method is adopted for preparing a Cu2O film of a special structure on the conductive glass substrate; and 3, heat treatment is performed on the Cu2O film obtained through electrochemical deposition under the air atmosphere so as to oxidize the Cu2O film into the CuO film of a similar structure, the CuO film can be directly used as the non-enzyme glucose sensor electrode material, and the electrode manufacturing process is simplified. The CuO film is composed of a plurality of spherical cluster units formed by self-assembly of spherical particles, has the uniform appearance, is large in specific surface area and can achieve the purpose of improving glucose detection sensitivity. In addition, the CuO film is stable in structure and can be well combined with substrate materials, the problem that powder materials are disengaged when the substrate is coated with the powder materials due to poor combination performance and then the number of active centers is reduced is avoided, and therefore electro-catalysis glucose activity is good.

The invention discloses a glucose detection Cu-based CuO membrane electrode which comprises a Cu substrate and a CuO membrane attached on the surface of the Cu substrate, wherein the CuO membrane comprises a plurality of flower-like structure units, each flower-like structure unit is formed by self-assembling a CuO nano sheet vertical to the Cu substrate. In addition, the invention also discloses a preparation method of the Cu-based CuO membrane electrode. According to the Cu-based CuO membrane electrode, the preparation of a CuO active material and the combination with a conductive base body are synchronously completed, and assembling steps of a glucose non-enzyme biosensor are reduced. The CuO membrane of the glucose detection Cu-based CuO membrane electrode grows in situ on the surface of a metal Cu base body, the combining property of the CuO membrane and a base body material is good, and the stability is enhanced; the CuO membrane shows a well-aligned micro / nano hierarchical structure, and the problem of active center reduction caused by agglomeration when a powder body material is coated on the base body is not caused, therefore the electrocatalytic activity is high.

The invention discloses an industrial large-scale seawater desalination device which is characterized in that a reverse osmosis seawater desalination technology can be realized by using gravitational potential energy of seawater. The industrial large-scale seawater desalination device comprises a shell, end sockets at two ends of the shell and hollow fibrous membranes, wherein a seawater inlet and a seawater outlet are formed in the shell; a fresh water outlet is formed in the end socket on the top; the hollow fibrous membranes are fixed in the shell; at least one end of each hollow fibrous membrane is opened; the hollow fibrous membranes consist of microporous supporting layers and semi-permeable membrane layers; the semi-permeable membrane layers cover the surfaces of the microporous supporting layers; and the end sockets are arranged at two ends of the shell. By the device with an extremely small size, a large reverse osmosis surface area is supplied; and the industrial large-scale seawater desalination device is easy to construct, mount and maintain; two ends of the hollow fibrous membranes are fixed in opening holes of a wire mesh and are fixed by flanges formed by the wire mesh and a composite material; one hollow fibrous membrane or a bundle of hollow fibrous membranes is or are arranged in each opening hole of the wire mesh; and therefore, a large number of hollow fibrous membranes can be tidily and orderly arranged.

The invention relates to catalyst slurry for an integral reproducible fuel cell double-effect oxygen electrode and a preparation method thereof. The catalysts are supported composite nano particles and are in-situ modified by proton conducting polymers. Metal nano particles used as carriers have catalytic oxygen reduction function. The supported metal nano particles have catalytic oxygen evolution function. The mass ratio of the metal nano particles to the catalysts is 0.02-1:1 and satisfies the requirements of the catalytic layer of the integral reproducible fuel cell double-effect oxygen electrode on the proportions of the metal nano particles and the catalysts. After impure ions and organic byproducts are removed from reaction products, the reaction products can be directly used to prepare the catalytic layer of the integral reproducible fuel cell double-effect oxygen electrode. The average grain size of the prepared catalyst particles is 2-4nm. The prepared catalyst particles are applied to the catalytic layer of the integral reproducible fuel cell double-effect oxygen electrode and excellent cell performances are obtained.

The invention discloses a preparation method for an electroactive polypyrrole film. The preparation method comprises the following steps of: preparing an aqueous solution of single pyrrole, an electrolyte solution and a protonic acid solution; secondly, mixing the three solutions; and obtaining a polypyrrole film electrode material on a conducting substrate by using a unipolar pulse electric polymerization. According to the preparation method disclosed by the invention, the operation is simple; products are easily obtained; no oxidant is needed; and the secondary pollution caused by the oxidant is avoided. The polypyrrole film electrode material prepared by the method in a neural solution has higher discharging stability.

The invention discloses a nano coaxial-cable heterojunction array base ultraviolet detector and a manufacturing method thereof. The detector comprises a substrate and a conductive film, a NiO@TiO2 nano coaxial-cable heterojunction array which is used as an ultraviolet absorbing layer and at least one N-type ohmic electrode are arranged on the conductive film, at least one P-type ohmic electrode is arranged on the NiO@TiO2 nano coaxial-cable heterojunction array; and the NiO@TiO2 nano coaxial-cable heterojunction array is composed of a TiO2 nano-tube array and a NiO nano-wire filled in the TiO2 nano-tube. The core structure of the detector provided by the invention is the nano coaxial-cable heterojunction array consisting of the TiO2 nano-tube array and the NiO nano-wire penetrating through the TiO2 nano-tube; the usage rate of a photo-generated carrier can be sufficiently improved, and the nano coaxial-cable heterojunction array base ultraviolet detector has the advantages of high external quantum efficiency and flexibility, small volume and the like.

The invention relates to a complete online monitoring device of a relay protection outlet circuit. The complete online monitoring device comprises online detection and identification circuits connected between each path of relay protection switch and a tripping pressure plate, wherein each detection and identification circuit comprises a detection circuit and an identification circuit, a power supply is arranged at one end of the detection circuit, and an electronic switch K, a high-voltage diode D1, a current limiting resistor R1, a current limiting resistor R2 and a high-voltage diode D2 are in serial connection from the power supply to nodes of the relay protection switch and the tripping pressure plate in sequence; and the identification circuit comprises an AD (analog-to-digital) conversion module, a computer mainframe and a display module, wherein one end of the AD conversion module is connected to a node between the current limiting resistor R1 and the current limiting resistor R2, the other end of the AD conversion module is connected with the computer mainframe, and the computer mainframe is also connected with the display module. By installing the monitoring device disclosed by the invention in a substation, the circuit can be completely monitored in real time through LED (light emitting diode) display and signals uploaded by an RS485 (recommended standard 485) communication bus, so that the system reliability can be improved.

The invention discloses a carbon film obtained by self assembly of graphene oxide or its derivatives and a preparation method thereof, and relates to a preparation method for a highly ordered carbon film. The objective of the invention is to solve the problems existing in the prior art that the combination between a carbon film and a substrate is poor, the preparation technology is complex, the cost is high, and the thickness of carbon films is difficult to control in the process of preparation. The carbon film provided in the invention uses graphene oxide or its derivatives as the raw material and is obtained through the process of self assembly. The carbon film is prepared by the following steps: dispersing graphene oxide or its derivatives in a solvent so as to obtain a solution, immersing a substrate into the solution and allowing the solution to stand at a constant temperature for assembly, wherein the temperature is in a range of 50 to 100 DEG C. The carbon film prepared in the invention has smooth surfaces, strong bonding force to the substrate and good light transmittance and mechanical properties; the modulus of the carbon film is 80 to 120 GPa, and the hardness is 7 to 9 Gpa; the carbon film is orderly orientated along the surface of the substrate, and the thickness of the carbon film is 10 nm to 2 mu m. The preparation process is controllable and concise and produces products with controllable thickness. The carbon film provided in the invention has broad application prospects in such fields as electrode materials, electronic chips, solar cells and high efficient catalysis.

The invention discloses an I-doped BiOClBr photocatalyst of a three-dimensional structure. The preparation method of the catalyst comprises the following steps of: putting glycol in which required amount of Bi(NO)3, KCl, NaBr and KI are dissolved at high temperature and high pressure for reaction, centrifugally separating solid products after the reaction, washing and drying the separated and purified solid products so as to obtain the expected product. Compared with the conventional BiOX(X=Cl, Br and I) monomer, the doped BiOClBr photocatalyst of the three-dimensional structure is beneficial to the generation of photoproduction electron-hole pairs and the increase of specific surface area and can more effectively increase the probability that a catalyst is contacted with decomposition dye, and moreover, the recycling of the catalyst is facilitated. The preparation method disclosed by the invention is simple in material, simple and convenient in process operation, free of complex synthesis equipment and low in cost.

The invention discloses a non-supported catalyst pulp, a preparation method and an application thereof, and metal nano particles are modified by proton-conducting polymers. The invention is characterized in that: 1) in the preparation process, polymers having the proton-conducting function are used as a protective agent; 2) only a small amount of proton-conducting polymers are added, and the mass ratio of the proton-conducting polymers to the metal catalyst is 0.02-1:1; 3) reactants are placed in a pressure-resistant stainless steel reaction kettle to react under the airtight condition at 90-200 DEG C for 2-24 hours to finally obtain the proton-conducting polymer in-situ modified metal nano particles, the average particle diameter of which is 1-2 nm; 4) after impurities are removed from the reaction product, no additional proton-conducting polymers need to be added or removed, and the reaction product can be directly used to prepare a fuel cell and the catalysis layer of a solid polymer water electrolyzer; and 5) the prepared catalyst is applicable to the fuel cell and the water electrolyzer, and achieves excellent performance.

A process for preparing porous carbon with regular structure and large specific surface area includes such steps as providing Y zeolite as template, and furfuryl alcohol as carbon precursor, pre-treating the template, preparing organic substance-template compound, preparing carbon-template compound, removing template to fill the organic substance in the nano-arteries of inorganic material, polymerizing, charring and removing template.

The invention relates to the technical field of polymer materials, and provides a thermoplastic shoe sole which is light in weight, excellent in weather resistance, stable in size, flexible and anti-aging, and capable of being recycled repeatedly, and a preparation method of the shoe sole. The light-weight anti-aging shoe sole is composed of the following components: styrene-butadiene-styrene copolymer (SBS), polyolefin block copolymer, ethylene-vinyl acetate copolymer, white mineral oil, an antioxidant, a foaming agent, zinc stearate, an anti-wear agent and an inorganic filler. The preparation method includes the following steps: premixing the component materials in a super mixer for 4-7 minutes, then extruding the premixed material in a melting manner by using a twin-screw extruder at the temperature of 132-135 DEG C, cooling and pelleting, finally, performing injection molding at the temperature of 170-172 DEG C, so as to obtain the light-weight anti-aging shoe sole.

The invention discloses an ordered Cu-doped nano-porous tin oxide sensing device. The sensing device is produced through the following steps: 1, producing an interdigital electrode-based graphene oxide film through adopting a spin coating method; 2, producing a device coated with a composite sensing film through a spin coating method, drying, and carrying out hot steam treatment; 3, removing a template from the device obtained in step 2; and 4, carrying out a reduction reaction on the device obtained in step 3 under an ultraviolet radiation condition to obtain the nano-porous tin oxide sensing device. The ordered Cu-doped nano-porous tin oxide sensing device has an excellent sensing performance, and the response time and the recovery time to low concentration H2S gas are shorter than 20s respectively.

The invention discloses a transparent organic and inorganic hybridization heterojunction material and a preparation method thereof. According to the heterojunction material, alkylthrophene-pyridine copolymer which is used as a p-type semiconductor material and II-VI group inorganic nanocrystalline which is used as an n-type semiconductor material are assembled in a solution, and then a film is formed by a spin coating, casting or printing method; and room-temperature large-area forming can be realized. The prepared hybridization heterojunction is ordered in structure and high in light absorption efficiency, dispersion stability and interfacial compatibility. Films formed by the hybridization heterojunction materials are high in light transmission and can widely used as materials of various active coatings in semiconductor photoelectric devices.

The invention belongs to the technical field of fuel cells, and relates to a preparation technology of a proton exchange membrane electrolyte, in particular to a method for preparing a phosphoric aciddoped, high temperature proton exchange membrane with a layer-by-layer assembly structure based on a spin coating technique. Kevlar nanofibers, cadmium telluride nanocrystals and phosphoric acid arespin-coated respectively to complete 2-5 layer assembly, and a 2-5 composite membrane with an ordered structure (Kevlar-CdTe-PA) is prepared; an oven-dried membrane is soaked in a phosphoric acid solution with a mass fraction of 40 to 85%, and the phosphoric acid doped (Kevlar-CdTe-PA) 2-5 / (40 to 85%) PA composite membrane based on the cadmium telluride nanocrystals is prepared. The method for preparing the phosphoric acid doped, high temperature proton exchange membrane with the layer-by-layer assembly structure based on the spin coating technique realizes the assembly of the Kevlar nanofibers and the cadmium telluride nanocrystals, and prepares the high-temperature proton exchange membrane with an ordered structure and good proton conductivity, and has potential application value in thefield of fuel cells. In addition, the method for preparing the phosphoric acid doped high temperature proton exchange membrane with the layer-by-layer assembly structure based on the spin coating technique provides a new research method and idea for preparing a novel composite membrane based on nanomaterials and the Kevlar nanofibers.

The invention provides a game promotion management method, device and system. A management total end is related to a plurality of first-stage promotion ends, each first-stage promotion end is relatedto a plurality of second-stage promotion ends, and each first-stage promotion end is provided with a corresponding game platform; when a user obtains game promotion identification, account informationof the second-stage promotion end carried in the identity information and identification of the user is obtained, and the user is authorized to enter the corresponding game platform; the game data generated by the user is sent to the related first-stage promotion end and the related second-stage promotion end; expenditures generated by the user serve as benefits and are distributed to the management total end, the related first-stage promotion end and the related second-stage promotion end according to a set ratio. The promotion structure of game platforms can be more reasonable and orderly,and distributed management of users is realized; generated benefits are reasonably distributed among different layers of promotion ends, all the promotion ends are encouraged to more actively guide clients, the promotion effect of the game promotion mode is improved, and the game platforms have higher stability and durability in operation.

The invention discloses a melt electrostatic spinning preparation method of nano inorganic salt fibers. The melt electrostatic spinning preparation method comprises the following steps: building a temperature field, a pressure field and an electrostatic field with graphite pipes, then preparing inorganic salt melt liquid via the temperature field, spraying the inorganic salt melt liquid from a spraying head via the pressure field, enabling a sprayed inorganic salt material to enter the electrostatic field and be provided with static electricity, and blowing cold inert gas in the spinning direction, wherein the inorganic salt material is quickly stretched in the electrostatic field to form nano fibers; receiving the fibers with a roller serving as a fiber receiver. The melt electrostatic spinning preparation method has the benefits: due to the melt electrostatic spinning method, inorganic non-metal salt with high melting point or high surface tension is pushed to be developed towards the nano-level direction; no solvent is used, so that the method is a green manufacturing method capable of preparing continuous nano fibers with smooth surfaces; no other substance molecules can be doped into the nano fibers, so that the purity is high; due to no solvent and high temperature, the production procedure for preparing glass nano fibers of the melt electrostatic spinning method is simple and extremely high in industrialization potential.

The invention discloses a foam carbon preparation method based on waste biomass. The method comprises the following steps that waste biomass is pretreated; 2, the waste biomass is liquefied; 3, a liquefaction product is resinified, and a resin product is obtained; 4, the resin product is foamed, and a foam carbon precursor is obtained; 5, the foam carbon precursor is chemically activated and carbonized, and foam carbon is obtained. According to the foam carbon preparation method based on the waste biomass, the forestry waste biomass, the agriculture waste biomass and the aquatic plant waste biomass are taken as raw materials and can partially replace traditional petroleum and coal chemical industry intermediates to serve as raw materials for synthesizing the foam carbon, therefore, the economic cost is effectively reduced, and the raw material shortage problem is solved. By combining a liquefaction technique, a resinification technique, a foam carbon precursor preparation technique and an activation technique, the porous foam carbon with the uniform size and the ordered structure can be synthesized, and the application value and the economic benefit of the foam carbon are increased.

The invention provides a preparing method of a graphene material of an ordered structure. The preparing method includes the following steps that an oxidized graphene solution and an electrolyte water solution are mixed to obtain a mixed solution; the mixed solution obtained in the previous step is filtered to obtain the mixed graphene material under the action of an outside pressure field; the mixed graphene material obtained in the previous steps is freeze-dried, and in vacuum or under the protective atmosphere, the mixed graphene material obtained in the previous steps is annealed to obtain the graphene material of the ordered structure. By adopting electrolyte, the graphene structure is ordered and controllable on the basis of preparing the graphene macroscopic material; as the filtering mode is used, the arranging mode of graphene microchips can be adjusted. The arranging mode of graphene microchips in the assembling process can be effectively controlled to prepare the graphene macroscopic material in an adjusting mode, and the graphene macroscopic material of the ordered microstructure is obtained.

This invention discloses a solar photovoltaic nanoscale water purification island used in field waters. The island is composed of: a filler barrel, a water distribution disc, an airlift pump and a solar photovoltaic air pump. A hard pipe and a water outlet pipe are set at the bottom of the filler barrel. The filler barrel is surrounded by foam plastic floating bodies. At least two layers of mesh plates are set in the filler barrel, between which are filled with various nanoscale water purification biomaterials. A through hole is formed at the bottom of the water distribution disc. Through connected grooves are formed on the water distribution disc by trough plates. Filtering sponge is set in the grooves. The water distribution disc covers the filler barrel. An air transmission pipe is set in the hard pipe. One end of the air transmission pipe is connected with an aeration pump, while the other end is connected with an air exhaust stone. The water distribution disc extends from the upper end of the hard pipe. Two solar photovoltaic electric plates are connected with the filler barrel respectively. The output lines of the solar photovoltaic electric plates are connected with the storage battery and the aeration pump, respectively, via the control circuit of the charge / discharge controller. The island is suitable for field fishponds, wastewater treatment plants, pollution remediation waters and landscape green areas.

The invention discloses a long-distance point sensing system based on an optical fiber random laser. The system comprises a pump laser, a wavelength division multiplexer or a coupler, a long-distance single-mode fiber, wavelength selection devices for sensing, a wavelength selection device for improving random laser generation efficiency, and a wavelength demodulation module. The wavelength division multiplexer or the coupler comprises a 1 port, a public port and a 2 port, wherein the pump laser is connected with the 1 port of the wavelength division multiplexer or the coupler; one end of the long-distance single-mode fiber is connected with the public port of the wavelength division multiplexer or the coupler, and the other end of the long-distance single-mode fiber is connected with the plurality of wavelength selection devices for sensing; and the wavelength demodulation module is connected with the 2 port of the wavelength division multiplexer or the coupler. The system is simple in structure; a complex system framework and expensive devices are not needed in the system; during usage, the pump laser is started and the output power of the pump laser is adjusted to an appropriate range, and thus the long-distance sensing detection quantity can be obtained through the wavelength demodulation module.