309 results about "Ion release" patented technology

The invention relates to the technical field of composite catalyst materials, in particular to a ferrocobalt bimetal hydroxide / BCN composite material and a preparation method and application thereof.The preparation method comprises the steps that cobalt nitrate and ferric nitrate are used for preparing a metal salt solution, sodium carbonate and sodium hydroxide are used for preparing a precipitant solution, a B-doped carbon nitride BCN material is added into the metal salt solution to form a uniform suspension, and the suspension is dried to obtain the ferrocobalt bimetal hydroxide / BCN composite material; dropwise adding the precipitant solution into the suspension to obtain a precursor solution, performing hydrothermal reaction on the precursor solution, and performing centrifugal impurity removal and drying to construct a heterostructure between layered double hydroxide and BCN in situ to obtain the Co-Fe LDH-coated BCN composite material. Through boron doping and heterostructure construction, the charge separation capacity of graphite carbon nitride is enhanced, the electron migration efficiency is improved through a heterointerface structure, the metal ion release amount and the cycle stability are controlled, and the catalytic performance is remarkably improved.

The invention relates to the field of medical instruments, in particular to a heart valve. The invention provides a heart valve. The heart valve comprises a stent body, a skirt edge and developing points. The skirt edge is connected to the bracket body; the skirt edge comprises an inner skirt edge and an outer skirt edge; the inner skirt edge and the outer skirt edge form an interlayer; the developing points are arranged in the interlayer; the number of the developing points is at least two; at least two developing points are in the same or different annular cross sections. Developing points are arranged in an interlayer; the setting mode can physically isolate the developing point, and the direct contact between the bracket and the developing point is eliminated through physical isolation; the galvanic corrosion risk can be effectively avoided, and the service life of instruments is prolonged; the metal ion release risk is reduced, and the biological safety is improved. And the developing points are arranged in the interlayer between the inner skirt edge and the outer skirt edge, so that the overall position of the valve can be reflected more accurately.

The invention discloses an unpowered air purification device based on electrostatic adsorption and negative ion effects, and relates to the technical field of air purification, the unpowered air purification device comprises a ventilation pipeline, an electrostatic adsorption module, a particle capture net, a negative ion release module and the like, a wind scooper guides airflow to enter the electrostatic adsorption module, and a friction ball rubs with an electrode plate to enable the electrode plate to be electrified; particulate matters in the air are adsorbed, falling particulate matters are collected by a liquid collecting box, residual particulate matters are further intercepted by a particulate capturing net, the elastic design is convenient for shaking off and cleaning, and the negative ion release module accelerates the generation of negative ions and purifies the air by utilizing the solar thermal conversion and piezoelectric effect. Efficient air purification is achieved through a multi-stage purification structure, the functions of humidity adjustment, intelligent reminding and the like are achieved, the structure is simple, energy conservation and environment protection are achieved, the device can adapt to various scenes, and an innovative scheme is provided for solving the air pollution problem.

The invention belongs to the technical field of preparation of biological materials, and particularly discloses a sea cucumber flower self-assembled polypeptide-iron nano-carrier as well as a preparation method and application of the sea cucumber flower self-assembled polypeptide-iron nano-carrier. The preparation method comprises the following steps: dissolving freeze-dried sea cucumber flower powder in deionized water, adjusting the pH value to be alkaline, heating and stirring, centrifuging, discarding the precipitate, adjusting the pH value to be acidic, centrifuging, collecting the precipitate, and freeze-drying to obtain sea cucumber flower protein powder; preparing a reaction solution, adding simulated gastric juice and simulated intestinal juice, stirring for reaction, inactivating protease, centrifuging, taking supernatant, and freeze-drying to obtain sea cucumber flower self-assembled polypeptide; the preparation method comprises the following steps: preparing a solution from sea cucumber, adding FeCl2. 4H2O and ascorbic acid, adjusting the pH value to be acidic, carrying out heating reaction, centrifuging, discarding the supernatant, and freeze-drying to obtain the sea cucumber flower self-assembled polypeptide-iron nano-carrier. The invention discloses a sea cucumber flower self-assembled polypeptide-iron nano-carrier as well as a preparation method and application thereof. The carrier can promote absorption of an organism to iron, a relatively high iron ion release rate is maintained in an intestinal environment, and the in-vivo bioavailability of iron ions is improved.

The invention relates to the technical field of polyester fibers, in particular to a negative ion polyester fiber which is prepared from the following raw materials in percentage by mass: 85-92% of polyethylene glycol terephthalate, 3-8% of nano tourmaline composite powder, 2-5% of a titanium dioxide / graphene composite carrier, 0.5-1.5% of a coupling agent and 0.3-0.8% of an antioxidant. The invention also discloses a preparation method of the composition. According to the invention, the core-shell structure optimization design is adopted, the core layer ensures the high loading capacity of the tourmaline composite powder, the shell layer has the synergistic effect of the titanium dioxide / graphene composite carrier, the negative ion release efficiency is obviously enhanced, the particle size of the nanoscale tourmaline is controlled to be 50-100nm, the nanoscale tourmaline is uniformly dispersed, the nanoscale tourmaline and graphene form a heterojunction structure, and the electron transmission capability is greatly improved; the negative ion release amount meets the JIS standard, a chemical bonding interface is formed through transesterification, the structural stability is enhanced, and the retention rate of the negative ion release performance is still high even after multiple times of washing.

The invention provides a spectacle frame with a negative ion release function. The spectacle frame is sequentially compounded with a metal matrix layer, a transition barrier layer and a function release layer from inside to outside, the transition barrier layer is in direct contact with the metal matrix layer, and the transition barrier layer is made of a chelating modified nano composite barrier material; the function release layer covers the transition barrier layer, and the function release layer is made of a plasma activated rare earth doped mineral composite material. Through the synergistic effect of the three layers of functional materials, sweat corrosive ions are effectively prevented from permeating into a metal matrix, negative ions are stably released to neutralize acidic substances on the contact surface, metal ion precipitation is remarkably inhibited, the wearing microenvironment is improved, and meanwhile the light weight and durability of the glasses frame are guaranteed.

The invention relates to the technical field of air purification, in particular to a negative oxygen ion dynamic air purification strategy and system.The negative oxygen ion dynamic air purification strategy comprises the following steps that on the basis of linkage of particulate matter concentration and multiple environmental parameters, influences of airflow, pressure, temperature and humidity and personnel flow on particulate matter distribution are analyzed, and formaldehyde and harmful gas parameter fluctuation trends are combined; pollution changes and equipment response grades are judged, the release path, frequency and power of the negative oxygen ion generator are adjusted, and ion release adjustment parameters are output. Data such as multi-element particulate matter concentration, airflow state, environmental pressure, temperature and humidity, personnel flow and the like cooperatively participate in monitoring and judgment, particulate matter grading characteristics are linked in real time through environmental dynamic factors, fluctuation trends of multiple pollutants in air are jointly calculated, high-risk change stages are actively recognized, purification response grades are dynamically output, and the purification effect is improved. The ion release direction and power are adjusted in an automatic linkage mode, the purification response changes along with space pollution hot spots, and diversified pollution distribution scenes are effectively covered.

The invention relates to the technical field of bone tissue materials, and discloses a metal-doped biomimetic mineralized dECM cryogel and a preparation method and application thereof.The preparation method of the cryogel comprises the steps that firstly, hyaluronic acid and methacrylic anhydride are mixed in a solvent, the pH value is adjusted, a reaction is conducted, and methacrylic acid hyaluronic acid is obtained; then under the condition of a photoinitiator, mixing the methacrylic acid hyaluronic acid with an acellular extracellular matrix, and performing freezing and crosslinking treatment to obtain the cryogel, and finally, soaking the cryogel in a mineralization solution containing Ca < 2 + > and / or Mg < 2 + >, adding a buffer solution containing phosphite ions, incubating, and washing to obtain the crystal gel. The biomimetic mineralized dECM cryogel prepared by the method disclosed by the invention is good in ion release stability, can significantly improve the migration ability of HUVECs, contributes to promoting proliferation of rMSCs and improving the osteogenic differentiation potential of the rMSCs, and can be used for regeneration and repair of bone defects.

The invention relates to the technical field of ceramic glaze water, in particular to ceramic glaze water capable of continuously releasing negative ions based on a rare earth material and a preparation method of the ceramic glaze water. Comprising a negative ion material, sodium polystyrenesulfonate, an immobilized bacterium preparation, carbon nanotube modified graphene oxide, turbo stone, modified sepiolite, nano-zinc oxide, sodium hexametasilicate, polyethylene glycol, a composite antioxidant, a coalescing agent, a slow-release carrier and deionized water. The negative ion material is formed by mixing low-radioactivity commercial rare earth powder, tourmaline and opal according to the mass ratio of (3-4): (4-5): 1. According to the invention, the preparation cost of the glaze water is reduced and the production efficiency is improved by optimizing the composition and compounding mode of the negative ion material, enhancing the stability of the bacterial preparation and simplifying the preparation process, meanwhile, the negative ion release durability, the ceramic surface adhesive force and the antibacterial property are remarkably enhanced, and the requirements of industrial production and practical application are met.

The invention provides carbon sequestration concrete and a preparation method thereof, and relates to the technical field of building materials. The carbon sequestration concrete provided by the invention is prepared from the following preparation raw materials in parts by mass: 280 to 320 parts of cement, 40 to 50 parts of mineral powder, 50 to 60 parts of fly ash, 650 to 700 parts of machine-made sand, 200 to 240 parts of natural sand, 750 to 850 parts of large stone, 150 to 170 parts of small stone, 3.8 to 4.5 parts of a water reducing agent, 0.15 to 0.85 part of a retarder, 4 to 20 parts of sodium carboxylate and 180 to 200 parts of water. Sodium carboxylate is introduced as a carbon sequestration aid, carboxylate radical groups of sodium carboxylate can efficiently complex calcium ions released by cement hydration to form a soluble calcium carboxylate complex, so that the chemical reaction that carbon dioxide is mineralized into calcium carbonate is accelerated, the carbon dioxide absorption capacity of concrete is remarkably improved, and the carbon sequestration efficiency is improved. The carbon sequestration concrete provided by the invention has high carbon sequestration performance and excellent mechanical properties.

The invention relates to the technical field of wastewater treatment and resource recovery, and discloses an organophosphorus degradation and recovery system based on double-cathode electro-Fenton reaction, comprising: an electrolytic tank for accommodating organophosphorus wastewater to be treated; the anode is arranged in the electrolytic tank and is electrically connected with an anode of a power supply; the oxidizing agent generating cathode is arranged in the electrolytic tank and is used for generating hydrogen peroxide in situ under a power-on condition; the metal reduction cathode is arranged in the electrolytic tank and is used for adsorbing and reducing ferric ions; the metal source is composed of zero-valent iron or iron alloy, is not directly and electrically connected with the power source, and is arranged in an electric field acting area established by the anode and the at least one cathode. Through the design of inductive slow-release iron supply and double-cathode collaborative circulation, a series of problems of uncontrollable iron ion release, high iron sludge yield, low catalyst utilization efficiency, difficulty in resource recovery and the like in the traditional electro-Fenton technology are effectively solved.

The invention discloses a polyaryletherketone composite implant material and a preparation method and application thereof, and belongs to the technical field of medical materials.The preparation method of the polyaryletherketone composite implant material comprises the following steps that a carbon fiber reinforced polyaryletherketone substrate with the surface provided with a groove structure and conductivity is prepared; based on a precipitation method, a calcium compound, a magnesium compound and a phosphoric acid aqueous solution are used for preparing white calcium stone; the preparation method comprises the following steps: carrying out surface modification on the white calcium phosphate by utilizing polydopamine, so as to obtain modified white calcium phosphate; adding the modified white calcium phosphate and a degradable piezoelectric polymer into a solvent, and mixing to obtain a mixed solution; and coating a carbon fiber reinforced polyaryletherketone substrate with the mixed solution, and performing drying and annealing treatment to form a coating, thereby obtaining the polyaryletherketone composite implant material. According to the invention, the degradable piezoelectric composite coating doped with the white phosphorus calcium stone, which has piezoelectric characteristics and ion release capability, is constructed, so that double biomimetic effects of an electric signal and a chemical signal in a bone healing microenvironment are realized.

The invention relates to the technical field of medical cosmetology, in particular to a porous hollow glass bead capable of slowly releasing collagen and application of the porous hollow glass bead. The porous hollow glass bead capable of slowly releasing the collagen comprises a porous hollow glass bead body, the outer wall of the porous hollow glass bead body is provided with a pore channel structure penetrating through the exterior and an inner cavity of the hollow glass bead body, and the pore channel and the inner cavity of the porous hollow glass bead body are filled with collagen gel. The compressive strength of the hollow glass beads is utilized to improve the mechanical supporting effect, the collagen gel is subjected to catalytic decomposition under the action of collagenase in a body so as to achieve the slow-release effect, the outer walls of the hollow glass beads slow down the reaction time through physical isolation, and then the slow-release time is prolonged; meanwhile, ions such as Si and Ca released by the hollow glass beads can promote cells to secrete collagen, the biological activity is improved, and the three beneficial effects of physical support, collagen slow release and biological safety are achieved.

The invention relates to the technical field of physiotherapy, in particular to a multi-mode physiotherapy system integrating ion release and electromagnetic stimulation. The system comprises a biological feedback sensing module, an intelligent control module, a space-time cooperative control module, a multi-channel ion release module, a multi-band electromagnetic generation module and a self-adaptive optimization module. Firstly, skin impedance, blood flow and temperature parameters are collected by the system, and a collaborative strategy is generated through multi-parameter analysis of an intelligent control module; the time-space cooperative control module synchronously adjusts the ion release and electromagnetic field excitation time sequence; the multi-channel ion release module realizes quantitative release of multiple types of ions by utilizing microfluidics; the multi-band electromagnetic generation module outputs low-frequency, medium-frequency and high-frequency programmable electromagnetic fields; the adaptive optimization module dynamically corrects treatment parameters based on the electrophysiological feedback. According to the system, multi-modal fusion of iontophoresis and electromagnetic stimulation is realized, and the accuracy and individualization level of treatment are improved.

To provide a granular body which, when used as a material for a ground-improving material, can impart self-healing performance to a hardened product of the ground-improving material and can maintain the self-healing performance imparted to the hardened product of the ground-improving material over a long period of time.SOLUTION: A granular body according to the present invention comprises resin and an ion-releasing compound capable of releasing a cation or an anion, and in a test conducted in accordance with JIS A 1102:2014 "Test method for sieve analysis of aggregates", 85 mass% or more of the granular body remains on a 5-mm sieve.SELECTED DRAWING: Figure 1

The invention relates to the technical field of automobile essence preparation, and particularly discloses automobile essence capable of removing formaldehyde and releasing anions and a preparation method of the automobile essence. Comprising the following raw materials in parts by weight: 500-600 parts of deionized water, 18-24 parts of a negative ion release enhancing component, 12-20 parts of an aldehyde removing component, 30-40 parts of absolute ethyl alcohol, 8-14 parts of a dispersing agent, 14-18 parts of phenoxyethanol, 22-26 parts of an initiator solution and 6-10 parts of citral. A negative ion release enhancing component and a formaldehyde removal component are added, the negative ion release enhancing component is prepared by modifying core-shell particles with a silane coupling agent, the outer layer of each core-shell particle is of a porous titanium dioxide structure, the inner core of each core-shell particle is modified electrical powder, and the formaldehyde removal component is prepared by carrying out a ring-opening esterification reaction on sodium alginate and allyl glycidyl ether, so that the formaldehyde removal effect is improved. And then carrying out chemical cross-linking with hydroxypropyl acrylate and methacrylic acid, thereby coordinating and enhancing the formaldehyde removal capability, the anion release capability and the antibacterial effect.

The invention relates to the technical field of polymer composite materials. The invention provides a polymer composite material capable of continuously releasing negative ions. The polymer composite material is mainly prepared from the following raw materials in parts by weight: 75-90 parts of a base material, 3-15 parts of functional composite powder, 2-8 parts of a release auxiliary agent, 3-8 parts of an attenuation compensation composite auxiliary agent and 1-2 parts of other auxiliary agents. The invention also provides a preparation method of the polymer composite material capable of continuously releasing negative ions. Based on the same inventive concept, the invention also provides application of the polymer composite material capable of continuously releasing negative ions in the fields of air purification, medical care, thermoplastic elastomer product preparation, textile preparation and plastic product preparation. A microcosmic channel release mechanism and an attenuation compensation mechanism are formed on a series of polymer base materials by adopting a plurality of composite functional powders and a plurality of composite components, so that the prepared polymer composite material achieves the outstanding effect of continuously releasing high-concentration negative ions in air.

The invention relates to the field of building materials, in particular to a preparation method of high-strength ceramsite, which comprises the following steps: uniformly mixing brick powder, Bayer process red mud, ardealite and titanium gypsum to obtain mixed powder, adding a binder, uniformly mixing to prepare raw nodules, sequentially forming a transition layer and a shell layer on the surfaces of the raw nodules, drying, sintering and cooling to obtain the high-strength ceramsite. The prepared ceramsite is low in water absorption rate and excellent in mechanical strength, the core-shell structure can effectively inhibit release of chloride ions, solid waste is fully utilized, environmental pressure is relieved, waste is turned into wealth, two purposes are achieved, and the ceramsite has certain social, economic and ecological benefits.

The embodiment of the invention provides a self-recovery method for the ion release capacity of a high-voltage electrostatic module, electronic equipment, a storage medium and a program product, and the method comprises the steps: outputting a self-recovery control signal corresponding to a target time threshold value under the condition that the cumulative operation time length of the high-voltage electrostatic module reaches the target time threshold value, the high-voltage electrostatic module is controlled to execute self-recovery operation; and when it is determined that the accumulated purification amount of the high-voltage electrostatic module reaches a target purification amount threshold value, outputting a self-recovery control signal corresponding to the target purification amount threshold value so as to control the high-voltage electrostatic module to execute the self-recovery operation. The embodiment of the invention provides a dual guarantee mechanism self-adaptive to different use scenes (light-load stable operation and heavy-load accelerated attenuation), establishes an active monitoring and recovery capability for performance attenuation of the high-voltage electrostatic module, and solves the problem that the purification efficiency is reduced due to the fact that the ion release capability is reduced after the module is used for a long time.

The present application relates to a kind of sea sand chloride solidifying agent and its application method, the solidifying agent includes solidifying agent A and solidifying agent B;The solidifying agent A is proportioned according to the raw material of weight parts as follows: modified hydrotalcite 2~5 parts, ultrafine silica powder 0.05~0.2 parts, water 30~120 parts;The solidifying agent B is proportioned according to the raw material of weight parts as follows: metakaolin 1~4 parts, calcium hydroxide 0.1~0.3 parts, water 45~180 parts.The present application is attached to the surface of sea sand by modified hydrotalcite with ion adsorption effect and forms inner solid layer, can effectively absorb the chloride ion released by sea sand;While using calcium hydroxide to excite metakaolin with sheet shape and form stable outer solid layer, can effectively prevent the shedding of inner solid layer material;The generated hydrated calcium silicate and hydrated calcium aluminate gel can also absorb the chloride ion solidified from the escape of inner solid layer, further improve the chloride ion solidification effect.

The present invention relates to the technical field of tumor therapeutic drugs, and in particular to a composition of albumin and mercaptododecaborane and its application in the preparation of tumor therapeutic drugs. Its technical solution includes albumin, which is covalently coupled with mercaptododecaborane through the cysteine thiol group at position 34 to construct a nucleation site, and further point-loaded with mercaptododecaborane on the protein through the nucleation effect; the thiol group of the mercaptododecaborane is bound to the thiol group at position 34 of albumin cysteine through a disulfide bond. The present invention forms a nucleus by covalently coupling the free thiol group of albumin with mercaptododecaborane, and utilizes the nucleation effect to point-coat mercaptododecaborane, thereby avoiding the toxicity risks brought by organic solvents or chemical modifications in traditional solubilization methods, and effectively preventing oxidative degradation and free boron ion release, achieving pH-responsive targeted release, and significantly increasing the boron accumulation in tumor tissues, with both high stability, precise drug release, and low systemic toxicity.

The invention discloses a solar heat collector mirror surface intelligent electrostatic dust collection device which comprises a main body, a negative ion release electrode plate and an electrostatic adsorption plate carrying positive charges, the negative ion release electrode plate and the electrostatic adsorption plate are installed in the main body, and the negative ion release electrode plate releases negative ions to accumulated dust; the negative ion release electrode plate is arranged in front of the electrostatic adsorption plate; the driving part is mounted in the main body and is in driving connection with the electrostatic adsorption plate; a cleaning part linked with the driving part is arranged in the main body; the driving part drives the electrostatic adsorption plate to extend out of the main body and adsorb the accumulated dust carrying the negative ions, and the cleaning part stops; and when the driving part drives the electrostatic adsorption plate to retract into the main body, the cleaning part is started and cleans the electrostatic adsorption plate. By arranging the electrostatic adsorption structure, the mirror surface is cleaned in a non-contact mode, mirror surface abrasion is avoided, and meanwhile the working requirements for rich solar energy resources and shortage of water resources in northwest desert areas of China are met.

This invention provides a long-lasting antibacterial spray, its preparation method, and its application. The antibacterial spray comprises a polyphenol adhesion component, metal ions, auxiliary polyphenols, a network stabilizer, and water. The metal ions form a dynamically reversible coordination network with the polyphenol adhesion component; the metal ions include silver ions and zinc ions. In this invention, the silver nanoparticles may undergo surface oxidation or coordination dissociation processes in the polyphenol network environment, thus serving as a potential source of supplementary silver ions, contributing to a smoother ion release behavior and achieving long-lasting antibacterial action through ion-nano synergy. This invention utilizes the synergistic effect of silver and zinc ions to improve the physical stability of the system. By introducing a small amount of silver nanoparticles as "solid-phase nodes" in the polyphenol network, the structural stability and resistance to mechanical damage of the antibacterial system are improved without significantly increasing the total silver release.

The utility model belongs to the technical field of safety production, and particularly relates to a safe anti-explosion anti-static workbench which comprises an anti-static table top, a plurality of supporting table legs are fixedly connected to the lower side of the anti-static table top, the upper surface of the anti-static table top is sequentially divided into a plurality of working areas from left to right, and an ion wind bar is further fixedly connected to the anti-static table top. And a plurality of ion release mechanisms are fixedly connected to the ion wind bar and are used for releasing ions to the plurality of working areas. According to the utility model, through the dual anti-static measures that the anti-static table top and the ion wind bar release ions, static accumulation is reduced, so that electric sparks caused by electrostatic discharge are avoided, the possibility of explosion on the anti-static table top and in the surrounding space of the anti-static table top is reduced, a relatively safe working environment can be provided for working personnel, and the working efficiency is improved. Explosion accidents caused by static electricity and damage to electronic component products are prevented.

The invention discloses a high-performance talc porcelain material and a preparation method thereof. In order to solve the problems of contradiction between strength and light transmission, high sintering energy consumption and the like of traditional talc porcelain, black talc and calcined talc are adopted as a basic framework, and 2%-5% of Wulan tea spar and 1%-3% of nano aluminum powder are added to realize synergistic enhancement. By optimizing ball milling, vacuum pugging and low-temperature sintering processes (1250-1280 DEG C), the bending strength of the product is larger than or equal to 145 MPa, the light transmittance of the product with the thickness being 4.5 mm is larger than 5.5%, the antibacterial rate is larger than 99.5%, and the anion release amount is larger than 3000 / cm < 3 >. According to the scheme, the sintering temperature is reduced by about 70-100 DEG C, the energy consumption is reduced by over 10%, and the method is suitable for the fields of electronics, medical treatment and the like.

The application discloses a positive electrode lithium supplementing agent, a positive electrode tab, a secondary battery and an electric device, and belongs to the technical field of batteries. The positive electrode lithium supplementing agent comprises lithium phytate and a lithium supplementing agent, and the lithium supplementing agent comprises at least one of Li5FeO4, Li6CoO4 and Li2NiO2. The lithium phytate and the lithium supplementing agent are combined as the positive electrode lithium supplementing agent. The lithium phytate and the lithium supplementing agent jointly act on active oxygen and metal ions released by the lithium supplementing agent, reduce side reactions of electrolyte, maintain electrochemical stability of the system under high pressure, completely release lithium in a high-voltage lithium cobaltate system, effectively improve the release amount of lithium sources, sufficiently supplement lithium consumption of SEI film forming reactions of a negative electrode, promote embedding and discharging processes of lithium ions in a positive electrode material, improve swelling of the secondary battery, and effectively improve the cycle life of the secondary battery.

The present disclosure provides an air disinfection apparatus for use with an air conditioning system configured to create an airflow. The air disinfection apparatus comprises a hollow housing for conveying said airflow therethrough between an air inlet and an opposite air outlet determining an airflow direction; a screen forming a non-ionizing electrode extending along a screen longitudinal extension axis, said non-ionizing electrode being mounted in the housing between the air inlet and the air outlet so that a screen surface is tangential to the airflow direction; a wire forming an ionizing electrode, said wire being suspended in said hollow housing between the air inlet and the air outlet and having a wire axis aligned with the screen longitudinal extension axis so as to face said screen surface; terminals electrically connected to the wire and screen for coupling thereto high and low voltage outputs of a high voltage generator of sufficient voltage to create a corona discharge zone across the airflow between the wire and the screen; wherein the screen includes an ion receiver positioned downstream of the corona discharge zone relative to the airflow direction, said ion receiver being dimensioned to cause ions produced in the corona discharge zone to be attracted so as to prevent release of ions outside of the air disinfection apparatus.

The application discloses CaTiSiO5 glass and a preparation method and application thereof. The preparation method comprises the following steps: under a container-free gas suspension condition, a CaTiSiO5 ceramic preform is melted by using a laser to obtain a CaTiSiO5 melt; and the CaTiSiO5 melt is cooled to room temperature after being kept for a period of time, so that CaTiSiO5 glass is obtained. The CaTiSiO5 glass with a metastable amorphous phase is prepared from the CaTiSiO5 ceramic, the ion release rate and the in-vitro biological activity are improved, so that the prepared new CaTiSiO5 glass can provide a suitable ion release rate and a weak alkaline pH environment, and promote bone tissue repair.

The invention discloses a warmer intelligent regulation and control system and method based on variable frequency ion group concentration, and relates to the technical field of variable frequency intelligent regulation and control. A stable working interval generation module; and a multi-objective optimization and execution module. Environmental parameters and voltage and current sampling signals are periodically collected, all collected data are subjected to preprocessing and demand evaluation, the discharge stability is judged according to the current environmental parameters and the discharge state, a safe working interval is fitted in real time, and the comprehensive comfort of heating and purification is dynamically optimized in the safe working interval. Each target parameter is intelligently distributed to carry out multi-target optimization, parameter adjustment is cooperatively controlled through a layered structure, and an optimal parameter scheduling strategy is formulated and output, so that the problems that in the prior art, due to sudden change of high-voltage output and ion release amount during switching of different working gears, linearly controllable ion output cannot be realized, and the efficiency is high are effectively solved. And the air purification effect is not enough.