30results about How to "High efficiency load" patented technology

The invention discloses an intelligent dynamic load balancing method and system based on Clico-VPP. The method comprises the following steps: acquiring a load state index of a back-end service pod; according to the load state index and a service capability coefficient corresponding to the back-end service pod, calculating a dynamic traffic allocation weight of the back-end service pod through a weighted calculation model; based on a dynamic threshold synchronization strategy, synchronizing the state of a first hash ring located in a control plane to a second hash ring located in a forwarding plane; and based on the second hash ring, determining a target pod for the input data stream through consistency lookup. A double-loop decoupling architecture is provided, hash rings of a control plane and a forwarding plane are separated, a synchronization strategy is determined through a dynamic threshold value, decision intelligence and forwarding stability are both considered, and jitter is avoided; meanwhile, a dynamic weight-driven consistent Hash algorithm is adopted, a real-time load index and Pod service capability are fused to calculate a dynamic weight, and the dynamic weight is mapped into the number of virtual nodes, so that intelligent scheduling based on capability and maximum maintenance of connection during capacity expansion and contraction are realized.

The invention belongs to the technical field of chemistry, and particularly relates to a water-based stable transdermal preparation based on a structural nanoemulsion and a preparation method of the water-based stable transdermal preparation. 1% to 10% of a polyether block copolymer; 5%-20% of a co-emulsion; 0.1% to 15% of an active ingredient; and the balance of deionized water. Through a compounding system of an amino acid surfactant and a gemini surfactant and in combination with the synergistic effect of a specific polyether block copolymer, a nanoemulsion drug delivery system with a stable structure is constructed. Through a compound system of the amino acid surfactant and the gemini surfactant and by combining the synergistic effect of the polyether block copolymer, a nano-emulsion drug delivery system with a stable structure is constructed, and the nano-emulsion drug delivery system has good long-term storage stability and temperature adaptability, is not easy to layer and is uniform in particle size distribution.

This invention relates to a biomass char composite electrocatalyst supported on nickel-cobalt sulfides, its preparation, and its application. The preparation method includes: subjecting biomass material to high-temperature carbonization to obtain a biomass char substrate with a porous structure; immersing the biomass char substrate in a solution containing nickel and cobalt salts, and obtaining biomass char supported on nickel-cobalt oxides through a hydrothermal reaction; placing the biomass char supported on nickel-cobalt oxides in a solution containing a sulfur source, and obtaining the biomass char composite electrocatalyst supported on nickel-cobalt sulfides through a hydrothermal reaction. The biomass char composite electrocatalyst supported on nickel-cobalt sulfides of this invention can be applied in biomass electrocatalytic oxidation reactions, achieving selective control of the biomass oxidation reaction and oxygen evolution reaction through an external magnetic field, thereby improving the efficiency of high-value conversion of biomass. The magnetic field control method of this invention has advantages such as non-contact control, simple system, and strong applicability, and has good application prospects.

This invention discloses a nanoRNA delivery system and its application in the control of Sclerotinia sclerotinia disease, relating to the field of biotechnology. The preparation method of the nanoRNA delivery system includes the following steps: mixing chitosan, sucrose, and aspartic acid uniformly and then subjecting them to a hydrothermal reaction to obtain a quantum dot-chitosan degradation product complex; mixing the quantum dot-chitosan degradation product complex with double-stranded RNA to obtain the nanoRNA delivery system; the double-stranded RNA is used to silence Sclerotinia sclerotinia virulence-related transcription factor genes. The nanoRNA delivery system provided by this invention can effectively protect RNA and exhibits a very high inhibitory effect on Sclerotinia sclerotinia in plants, providing a novel technical solution for the green and precise control of Sclerotinia sclerotinia disease.

The invention relates to the technical field of image transmission, in particular to an energy consumption self-adaptive management method and system of a wireless image transmission module. Comprising the steps of obtaining operation data of at least one node, and analyzing a network load to adjust interaction frequency configuration; load balancing parameters are determined according to interaction frequency configuration, transmission task priorities are dynamically adjusted, node energy consumption data are collected, and resource waste points are checked to update an energy consumption distribution scheme; predicting the traffic of a transmission path according to an energy consumption distribution scheme, optimizing path allocation and reallocating resources when the traffic is greater than a set value, and updating node state shared data; and finally, the network operation state is calibrated according to the node state shared data, and energy consumption optimization configuration is obtained, so that energy consumption is reduced, and network efficiency is improved. According to the invention, the problem that the energy consumption management of the wireless image transmission network is difficult to finely regulate and control along with the load change is solved, and the self-adaptive energy conservation and stable transmission of the distributed image transmission module are realized.

The application discloses a multifunctional antibacterial coating bone implant device based on a selective vacuum perfusion process and a preparation method thereof. The method comprises the following steps: 1) pretreating a titanium alloy base; 2) performing anodic oxidation treatment on the pretreated titanium alloy base to construct a nanotube structure on the surface of the titanium alloy base; 3) selectively coating the treated titanium alloy base with a hydrogel adhesive, then immersing the titanium alloy base in a povidone iodine mixed solution to perform vacuum perfusion, and performing post-treatment, then again performing selective coating, immersing the titanium alloy base in a solution containing a bone growth promoting factor to perform vacuum perfusion, and performing post-treatment, then again performing selective coating, immersing the titanium alloy base in a solution containing a blood vessel growth promoting factor to perform vacuum perfusion, and performing post-treatment; and 4) encapsulating the obtained sample surface with an in-situ self-polymerized polydopamine layer, washing and freeze-drying. The bone implant device has antibacterial, bone growth promoting and blood vessel growth promoting functions, and can greatly improve the curative effect on bone fracture symptoms accompanied by infection.

The invention discloses an iron-carbon catalytic material based on coal gasification slag as well as a preparation method and application of the iron-carbon catalytic material, and belongs to the technical field of industrial solid waste recycling. The preparation method comprises the following steps: adding dried coal gasification slag into an oxalic acid solution for extraction to obtain a suspension A; adding a reducing agent into the suspension A, carrying out precipitation reaction, and then carrying out solid-liquid separation to obtain a solid B; and sintering the solid B to obtain the composite material. The invention further discloses the iron-carbon catalytic material based on the coal gasification slag prepared by the method and application of the iron-carbon catalytic material. According to the method, the industrial solid waste coal gasification slag is used as a carrier, endogenous iron in the coal gasification slag is converted by adopting an acid leaching-reduction precipitation-roasting method, the iron-supported catalytic material with a stable structure and excellent performance is obtained, the process is green, the cost is low, the organic wastewater treatment capacity is excellent, and the practical value is relatively good.

The invention relates to the technical field of aerogel microsphere preparation, in particular to a method for preparing composite nanocellulose aerogel microspheres based on electrostatic field auxiliary regulation and control. Comprising the following steps: forming uniform liquid drops from a silane modified nano cellulose suspension through an electrostatic spraying device provided with an annular electrode group and a real-time monitoring feedback system; the liquid drops are induced by an electrostatic field in a pre-cooling area to be initially set and then subjected to liquid nitrogen cryogenic treatment, gradient freeze drying is conducted, and aerogel microspheres are obtained; and finally, carrying out surface modification on the aerogel microspheres, and loading nano microspheres under the assistance of an alternating electric field to obtain the composite nano cellulose aerogel microspheres. Through the synergistic effect of the multi-stage electric field, accurate regulation and control on the whole process of microsphere forming, internal structure construction and functional compounding are realized, so that the composite nanocellulose aerogel microspheres with narrow particle size distribution, uniform size and adjustable functions are prepared, and the composite nanocellulose aerogel microspheres have wide application prospects in the fields of adsorption, catalysis, biological medicine and the like.

The application discloses an LDH-based vaccine adjuvant and a preparation method and application thereof, and belongs to the technical field of aluminum adjuvant preparation of vaccines, and the preparation method comprises the following steps: mixing at least one of soluble magnesium salt, soluble zinc salt, soluble manganese salt and soluble calcium salt with soluble aluminum salt, and then performing a co-precipitation reaction with a sodium hydroxide aqueous solution in a colloid mill device, and performing crystallization to obtain LDH nanosheets; dispersing the LDH nanosheets in a PBS solution, adding a hepatitis B surface antigen molecule drug, uniformly mixing, and then performing centrifugation to obtain the LDH-based vaccine adjuvant. The LDH-based vaccine adjuvant can significantly promote the maturation of DC cells and the activation of T cells, and the total IgG level reflects the overall humoral immune response intensity of the body to vaccines or pathogens; the LDH-based vaccine adjuvant forms a "storage library" at an injection site to store antigens and slowly release the antigens, and the purpose of long-time continuous stimulation of the immune system in the body is achieved.

The embodiment of the invention provides a resource dynamic scheduling method and electronic equipment. According to the embodiment of the invention, in a network scene containing at least two NAS nodes, the load evaluation indexes associated with the resources under the tenant instance dimension and the node dimension are introduced for dynamic scheduling of the tenant instances on the NAS nodes, such as creating a copy instance on the target NAS node. According to the method and the device, a tenant instance and a copy instance corresponding to the tenant instance are enabled to process IO requests issued by clients butted with the tenant instance according to a load balancing principle, so that the overall resource utilization rate of a network scene can be effectively improved, the problem of non-uniform load of each NAS node is reduced, the processing efficiency of the IO requests is improved, and the user experience is improved. Therefore, efficient utilization and load balancing of overall resources are realized, and high availability and stability of a network scene are improved.

The invention relates to an electrochemiluminescence sensor based on an intelligent controlled release-interface capture-self-enhancement mechanism and application of the electrochemiluminescence sensor in procalcitonin detection, and belongs to the technical field of electrochemiluminescence detection. Controllable release of signal molecules is achieved by packaging terpyridyl ruthenium through ZIF-8, meanwhile, a DNA layer rich in guanine is modified on an electrode interface, and the layer can serve as a nano trap to efficiently capture the signal molecules and can also serve as a co-reactant to achieve signal amplification. A DNA strand displacement reaction is utilized to regulate and control a target response release process, and detection is realized according to a quantitative relationship between the concentration of procalcitonin and an electrochemical luminescence signal. A labeling recovery method verifies that the recovery rate of the sensor in a human serum sample reaches 100.6-103.6%, good accuracy and precision are shown, and a reliable platform is provided for clinical detection of inflammatory markers.

The invention belongs to the technical field of skin photoaging, and particularly relates to a preparation method of a frozen microneedle patch for preventing skin photoaging, and the preparation method comprises the following steps: S1, placing venous blood in a blood collection tube for centrifugation; s2, centrifuging, and then taking out platelet-rich fibrin gel on the middle layer; s3, injecting the platelet-rich fibrin gel into a microneedle mold, filling a needle cavity with the platelet-rich fibrin gel, and standing; s4, after the microneedle mold is precooled, freezing forming is conducted, demolding is conducted after forming, and the frozen microneedle patch is obtained.The fibrin rich in platelets is combined with the frozen microneedle technology, the action mechanism of the skin photoaging phenotype is improved, efficient loading and long-acting release of growth factors are achieved, and a new direction is provided for regenerative medicine of photoaging.

This invention discloses an iron-containing diatomaceous earth shell material, its preparation method, applications, and a method for preparing a tannic acid-diatomaceous earth shell composite material containing this material. The iron-containing diatomaceous earth shell material contains at least 0.4% iron by weight and at least 88% silicon, retaining the highly ordered nanoscale porous structure of natural diatomaceous earth shells. The preparation method involves culturing diatoms in G11 medium supplemented with sodium silicate nonahydrate and ferrous sulfate heptahydrate, followed by extraction via hydrogen peroxide oxidation, acid washing, and high-temperature calcination. This invention further utilizes the reaction of this iron-containing diatomaceous earth shell with tannic acid in a buffer system at pH 7.0-8.0, achieving efficient loading of tannic acid through the coordination of iron ions with tannic acid and physical adsorption. This invention features a simple process, low cost, and environmental friendliness. The prepared composite material significantly improves the chemical stability and bioavailability of tannic acid, showing broad application prospects in biomaterials fields such as drug delivery, antibacterial applications, and tissue engineering.

The application belongs to the field of biomedical polymer materials and regenerative medicine, and particularly relates to an intelligent hydrogel for treating skin tissue damage, a preparation method and a medicine thereof, and application thereof. The intelligent hydrogel comprises a hydrogel support and a functional module. The hydrogel support takes methacrylated gelatin as a matrix and forms a stable three-dimensional network structure through photo-crosslinking. The functional module comprises two core DNA chains, one of which is a ZnR-Cage chain with a sulfhydryl group directly or indirectly connected to one end of the chain, and the other is a CD44-link chain. The two chains form a non-active assembly through base complementary pairing. The intelligent hydrogel has many advantages such as strong spatiotemporal controllability, overcoming drug burst defects, efficient cascade repair, realizing targeted synergistic treatment, efficient integration, excellent stability and clinical transformation potential. It is particularly suitable for clinical treatment of complex wounds such as diabetic ulcers and infected wounds.

The application discloses a wastewater treatment process and system based on combination of electro-catalysis and electro-deionization, and the process comprises the following steps: S1, inputting first wastewater into a cathode treatment chamber and inputting second wastewater into an anode treatment chamber; S2, applying voltage to make the cathode treatment chamber and the anode treatment chamber carry out electrodialysis, and at the same time, reduction reaction is synchronously carried out in the cathode treatment chamber and oxidation reaction is synchronously carried out in the anode treatment chamber; S3, making part of effluent water of the cathode treatment chamber enter a cathode concentrated water chamber after passing through a first anion exchange membrane, and then enter a fresh water chamber after passing through a first cation exchange membrane; making part of effluent water of the anode treatment chamber enter an anode concentrated water chamber after passing through a second cation exchange membrane, and then enter the fresh water chamber after passing through a second anion exchange membrane; S4, water in the fresh water chamber is finally discharged as qualified wastewater after passing through anion and cation exchange resin. The application integrates three kinds of processes into one, and can make effluent water quality stable to reach the standard of water reuse.

The invention discloses preparation and application of a hyperbranched polymer with high gene transfection capacity, and belongs to the technical field of chemical synthesis and modification. The preparation method of the hyperbranched polymer with high gene transfection capacity comprises the following steps: adding an acrylate compound and organic amine into an organic solvent, dissolving, carrying out addition reaction, cooling, adding an end-capping reagent, and continuously reacting to obtain the hyperbranched polymer. The hyperbranched polymer prepared by the invention can solve the problem that the transfection efficiency is low after the existing precursor is polymerized, the transfection capacity of nucleic acid drugs in cells is remarkably improved while the biological safety is ensured, and the hyperbranched polymer is expected to replace viral vectors to be used as mainstream nucleic acid drug delivery vectors in the market.

The invention discloses a drug loading and controlled release regulation method of PEGMA-b-PCL polymer drug-loaded micelles, relates to the technical field of drug carriers, and comprises two parts of drug loading regulation and drug controlled release regulation. According to load regulation and control, PEGMA-b-PCL serves as a carrier, parameters such as the block proportion and the number-average molecular weight of the PEGMA-b-PCL are precisely regulated and controlled, an improved solvent volatilization-ultrasonic synergistic method is adopted, raw material pretreatment is combined, efficient medicine loading is achieved, the encapsulation efficiency is larger than or equal to 85%, and the medicine loading capacity is larger than or equal to 28%. A pH response and enzymatic degradation double-synergistic mechanism is constructed through controlled release regulation, 0.5-2.0 wt% of a pH response type cross-linking agent and 0.3-1.2 wt% of an esterase sensitive regulator are added, cross-linking reaction conditions are optimized, and it is achieved that within 48 h drug release in a normal physiological environment is smaller than or equal to 12%, within 48 h drug release in a tumor microenvironment is larger than or equal to 80%, and within 72 h, within 72 h, within 48 h drug release is larger than or equal to 92%. The particle size of the prepared micelle is 80-150nm, the particle size change rate is less than or equal to 8% after the micelle is sealed and stored at 4 DEG C for 6 months, the drug leakage rate is less than or equal to 5%, the process is controllable, the stability is good, and the micelle has good industrial amplification and clinical application prospects.

The invention belongs to the technical field of biological medicines, and particularly relates to vitexin-probucol self-assembled nanoparticles as well as a preparation method and application thereof. The nanoparticle is formed by self-assembly of vitexin and probucol, and the mass ratio of vitexin to probucol is 2: (1-5). The nano particles are prepared by adopting a nano precipitation method, and the method specifically comprises the following steps: mixing vitexin and probucol, and dissolving and dispersing in a good solvent to obtain a mixed solution; and adding the obtained mixed solution into a poor solvent, and promoting the vitexin and probucol to be self-assembled to form the nanoparticles by utilizing a solvent replacement effect. The nanoparticles have the advantages of high drug loading capacity, synergistic anti-inflammation and anti-oxidation, long-acting circulation and the like, and can effectively treat atherosclerosis, reduce side effects and improve the treatment effect and safety.

The application belongs to the technical field of molecular imaging and biomedical materials, and particularly relates to a construction method of a radioactively labeled magnetic T1-T2 synergistic MRI-PET bimodal imaging probe and application thereof. The polyphenol substance is dissolved in methanol, the pH is adjusted, SPIO is dispersed in tetrahydrofuran, after mixing, the water-phase SPIO modified by the polyphenol is obtained. Then, the streptavidin is dissolved in water, the polydopa coating layer is formed by in-situ polymerization of the polydopa and is coupled with the streptavidin, the biotin-modified targeting ligand is combined, the targeted MRI probe is obtained, and finally the radioactive metal element such as Cu, 64 Cu, 68 Ga is efficiently chelated to obtain the T1-T2 synergistic MRI-PET bimodal probe, the probe has the advantages of strong stability, high hydrophilicity, good biocompatibility, high relaxivity, good tumor targeting, high sensitivity of PET for whole body quantification, high soft tissue contrast of MRI T1-T2 and high spatial resolution.

The invention discloses a veterinary drug additive carrier and a production process and application thereof, and relates to the technical field of pharmaceutical preparations, the production process comprises the following steps: 1, adding beta-cyclodextrin and epichlorohydrin into a Tris-HCl buffer solution, uniformly mixing in a constant-temperature water bath, adding a catalyst in batches, carrying out microwave radiation, dialyzing and purifying, and freeze-drying to form a molecular inclusion layer, so as to obtain a beta-cyclodextrin / epichlorohydrin composite material; the beta-cyclodextrin cross-linked polymer is obtained; 2, ball-milling and mixing a beta-cyclodextrin cross-linked polymer and a silica gel nano-composite to obtain a carrier; the carrier is applied to veterinary drugs, beta-cyclodextrin is carboxylated, then a carboxyl-containing beta-cyclodextrin cross-linked polymer is prepared, NHS is introduced, guanidyl modified chitosan is introduced into a silica gel nanocomposite, amino in the silica gel nanocomposite and NHS in the beta-cyclodextrin cross-linked polymer can form a stable amido bond, and the guanidyl modified chitosan is added into the silica gel nanocomposite. The separation of the carrier material in the subsequent processing is avoided, and the effect of the medicine in the body is synergistically improved.

This invention relates to the field of cosmetic raw material processing technology, and discloses a preparation process for active nano-encapsulated materials for cosmetics. The preparation process is as follows: Cosmetic active ingredients are added to an alkenylated modified chitosan solution and ultrasonically treated for 1-3 minutes. Then, thiolated silk fibroin is added and mixed evenly. Next, a photoinitiator, 2-hydroxy-4'-(2-hydroxyethoxy)-2-methylphenylacetone, is added to the system. The mixture is irradiated under 365 nm ultraviolet light at room temperature for 10-20 minutes to obtain a dispersion of nano-hydrogel encapsulated materials containing the active ingredients. After ultrafiltration purification, 5% (w / w) of trehalose is added, stirred to dissolve, and freeze-dried to obtain active nano-encapsulated materials for cosmetics. The active nano-encapsulated materials for cosmetics prepared by this invention exhibit good stability, sustained-release and controlled-release properties, and antioxidant properties.

The invention relates to the technical field of agricultural planting, in particular to a method for improving bacterial leaf blight resistance of rice through induction treatment, an amino modified nano silicon dioxide-salicylic acid composite inducer is adopted for induction treatment, and the composite inducer is composed of an amino modified nano silicon dioxide carrier and supported salicylic acid; the treatment method comprises seed soaking and foliage spraying in a seedling stage, and specifically comprises the following steps: (1) seed soaking treatment; (2) foliage spraying; according to the technical scheme, through scientific component selection, process design and treatment mode combination, the control effect of rice on bacterial blight is remarkably improved (the control rate can reach 67% or above), the yield loss caused by diseases is effectively reduced, the use amount of chemical pesticides is reduced, the development requirement of green agriculture is met, and the method is worthy of popularization and application. The method has important practical application value and popularization prospect.

The invention discloses a compound of a basic fibroblast growth factor and a metal organic framework, a pharmaceutical composition and application, and belongs to the technical field of wound healing drugs. The bFGF (at) ZPF-2 compound provided by the invention comprises a metal organic framework material ZPF-2 and bFGF loaded on the ZPF-2, the bFGF (at) MIL-53 (Al)-FA compound provided by the invention comprises a metal organic framework material MIL-53 (Al)-FA and bFGF loaded on the MIL-53 (Al)-FA. By constructing two compounds of bFGF-coated ZPF-2 and bFGF-coated MIL-53 (Al)-FA, efficient loading and activity protection of bFGF are realized, rapid effect taking and continuous release synergy can be realized in response to a wound surface microenvironment, the biocompatibility is good, the wound surface healing effect is remarkably improved, and the storage and transportation cost is reduced.

This invention belongs to the field of biomedical technology, specifically relating to a metal-organic framework material for chelating α-nucleotides, its preparation method, and its application in antitumor drugs. The preparation method of the metal-organic framework material involves dissolving ferric chloride tetrahydrate and 2,5-dihydroxy-1,4-benzenediacarboxylic acid in an organic solvent at a molar ratio of 2:3, and reacting at 105°C for 24 hours. The key to this invention is that the metal-organic framework material serves as a novel... 223 The Ra chelation platform can achieve [the desired effect] without relying on traditional chelation mechanisms. 223 The efficient capture and stable loading of Ra effectively solves the chelation problem caused by the intrinsic properties of Ra²⁺ ions, and improves... 223 Ra radiopharmaceuticals offer stability and targeting capabilities, and significantly reduce the risk of radiation exposure to non-target organs.

The present application relates to a kind of transition metal corrosion foam nickel load rare earth oxide composite electrode material and its preparation method and application, method includes: after pretreatment, foam nickel is immersed in the corrosion liquid containing transition metal salt and is carried out chemical corrosion treatment, obtain transition metal corrosion foam nickel;Transition metal corrosion foam nickel is working electrode, in the deposition liquid containing rare earth salt is carried out electrodeposition, obtain composite electrode material precursor;Finally, by calcination treatment, obtain composite electrode material.The present application constructs micro-nano rough structure on the surface of foam nickel by chemical corrosion, significantly increases electrochemical active area, realizes the uniform loading of active component and interface optimization in combination with rare earth oxide electrodeposition, the composite electrode material obtained has the advantages such as large specific surface area, active site is rich, electron transmission is efficient, catalytic performance is excellent and stability is good, can be widely applied to electrocatalysis field, provides a general platform for non-noble metal electrocatalyst.

The invention relates to the technical field of efficient catalysts and prevention and control of atmospheric pollutants, in particular to a wide-temperature denitration catalyst and a preparation method thereof. The preparation method comprises the following steps: adding deionized water and a dispersing agent into a reaction kettle, stirring after heating, then simultaneously injecting a salt solution and a precipitator solution into the reaction kettle, continuously stirring and mixing the solutions after charging, and filtering, washing and drying after aging to obtain precursor powder; calcining the precursor powder in an N2 atmosphere to obtain calcined powder; and putting the calcined powder into a mixed aqueous solution of ammonium metavanadate and ammonium heptamolybdate, carrying out water bath stirring reaction, drying, and calcining to obtain the wide-temperature denitration catalyst. The wide-temperature characteristics of low-temperature efficient denitration and high-temperature stable denitration of the catalyst are achieved through active component dispersion, layered structure regulation and control and high-temperature and low-temperature active site collaborative construction, and the catalyst effectively adapts to the working condition characteristic that the temperature of industrial flue gas fluctuates greatly.

The application discloses a kind of near-infrared light response's halloysite-based nano antibacterial composite material, it includes halloysite nanotube carrier and the polydopamine layer and prussian blue nanoparticle successively coated on its surface, specific preparation steps include: adding dopamine to halloysite nanotube dispersion liquid, rotating mixing is carried out, and HNTs@PDA nanoparticle is prepared;Iron salt-potassium ferricyanide mixed solution is added dropwise to the dispersion liquid of HNTs@PDA nanoparticle under stirring condition, and the halloysite-based nano antibacterial composite material is prepared by avoiding light stirring reaction.The application can realize the efficient loading of prussian blue nanoparticle on the surface of halloysite carrier, and the obtained antibacterial composite material has both photothermal therapy and chemical dynamic therapy two antibacterial mechanisms, with spectral antibacterial property and good biological safety;And the preparation method is simple, the reaction condition is mild, and the cost is low, suitable for popularization and application.

The present application relates to carbon capture combustion and composite metal material technical field, disclose a kind of composite oxygen carrier and its preparation method and application.The method includes the following steps: (1) active metal soluble salt solution is activated, and the active metal soluble salt solution obtained after activation, biomass particle template and adhesive are mixed, to obtain mixed solution;(2) the mixed solution is stirred, dried, calcined and screened in turn, to obtain composite oxygen carrier.The composite oxygen carrier has excellent multi-component petrochemical high-calorific value mixed gas reactivity, cycle stability, carbon deposition resistance, and the synthesis method and raw material source are rich and the preparation cost is low.

The invention discloses a cellulose membrane-based fluorescence colorimetric sensor based on a Tb-AMP compound as well as a preparation method and application thereof, and belongs to the cross technical fields of new materials, fluorescence sensors, inspection and detection and the like. The fluorescent colorimetric sensor takes a cellulose membrane as a substrate, and the cellulose membrane is loaded with a Tb < 3 + > and AMP compound after carboxymethylation. Through the synergistic effect of the lanthanide series metal Tb-AMP compound and in combination with the porous characteristic of the cellulose membrane, high sensitivity, high selectivity and visual detection of FQs are achieved, meanwhile, the performance is not changed after the cellulose membrane is stored for 60 days, the cellulose membrane has long-term stability, the cellulose membrane serves as a substrate, the raw material cost is low, and the method is suitable for industrial production. The method can be widely applied to real-time visual detection of FQs in practical samples such as drinking water, environmental water and milk.

The application belongs to the field of polymer compositions for mulching films, and particularly relates to a modified polylactic acid degradable mulching film for red kidney bean planting and a preparation method thereof. The modified polylactic acid degradable mulching film comprises the following raw materials in parts by mass: 40-60 parts of polylactic acid, 40-60 parts of polybutylene adipate terephthalate, 15-25 parts of drug-loaded nanometer microspheres, 4-6 parts of coupling agent modified degradation promoter, and 1-3 parts of lubricant. The drug-loaded nanometer microspheres are prepared by adding phenolated lignin into water to adjust pH, adding a pore former and a crosslinking agent, and preparing an aqueous phase; the aqueous phase and an oil phase are mixed and reacted to obtain porous nanometer microspheres; the porous nanometer microspheres are immersed in a pesticide solution for adsorption, and a coating liquid is added to obtain the modified polylactic acid degradable mulching film. The mulching film has strong mechanical properties; and the drug-loaded nanometer microspheres and the coupling agent modified degradation promoter are used in combination to match the degradation rate of the mulching film with the growth cycle of red kidney beans.