31results about How to "Regulatory stability" patented technology

The invention discloses a machine version based online detection and control method of near field electrospinning printing effect. The method includes: grounding a collecting plate of equipment and allowing the tip of an injector to be electrically connected with direct-current high voltage; starting an electrospinning system, and allowing a motion platform to start moving according to a planned path to form a taylor cone at the tip of a spray nozzle; collecting information of wire diameter size, wire drawing state, wire bifurcation and wire fracture in real time during spinning through a vision image collector and performing online feedback and control for different situations; when D and theta exceed the set range, controlling upper computer software through a matching replacement algorithm to control speed and accelerated speed of a traction shaft motor in real time by matching and converting error amount of D or theta with pulse quantity, and fine tuning the distance H from the tipto the collecting plate when D or theta reaches nearby preset value so that the printing effect is gradually close to the parameter range till printing is steady. The method has the advantages of easy implementation, simple operation and stably system operation.

The invention discloses a preparation method of a photo-responsive linear azobenzene polyoxyethylene ether nonionic surfactant, belonging to the technical fields of textile and chemical industry. The azobenzene polyoxyethylene ether nonionic surfactant is synthesized from 4-hydroxyazobenzene and polyethylene glycol. The azobenzene polyoxyethylene ether nonionic surfactant can be subjected to reversible heterogeneous treatment from an anti-form to a cis-form under the irradiation of ultraviolet light and visible light, and the tightness of the azobenzene polyoxyethylene ether nonionic surfactant arrayed on the surface of a foam liquid membrane is changed through steric hindrance, so that the effects of low concentration and high foam stabilizing property are achieved. The azobenzene polyoxyethylene ether nonionic surfactant can be used as a wetting permeating agent, a detergent and a low-concentration surfactant, so that the demand contradiction that foam has different stabilities before and after being dyed and finished is solved, the utilization rate of the foam can be increased, the foam can be effectively recycled, the pollution is alleviated, and the wasting of a chemical reagent is reduced.

The invention provides an ink-jet printing organic electroluminescence display and a manufacture method thereof. The display structurally comprises a transparent substrate, a patterned transparent anode layer, a hole injection layer, a hole transmission layer, a light emitting layer and a metal cathode which are stacked in sequence. The light emitting layer comprises soluble small organic molecule and polymer blending materials. Soluble small organic molecule and polymer blend serves as printing solution to prepare the light emitting layer, characteristics of high efficiency and long service life of small organic molecules are given play to, the split-phase crystallization phenomenon caused by the fact that small organic molecule solution dries to form a film is inhibited, the process that the solution in a subpixel dries to form a film naturally can be effectively inhibited under combined action of high boiling point solvent, the uniform light emitting layer film is obtained, and performance of the ink-jet printing display screen is improved effectively. Therefore, a new feasible way is provided for industrialized production of display screen products by means of the ink-jet printing technology.

The invention relates to a large-pore-size mesoporous carbon / silicon dioxide loaded gold nano-catalyst and a synthesis method thereof. The catalyst has a face-centered cubic ordered structure, the specific surface area is 200m<2> / g to 700<2> / g, the pore volume is 0.30cm<3> / g to 0.60cm<3> / g, the pore size is 7.0nm to 20nm, and the mass percent of Au is 0.5% to 2.5%. During preparation, the mesoporous carbon / silicon dioxide loaded gold nano-catalyst is synthesized in one step through mixing a macromolecular surfactant, which serves as a template agent, with a gold source, a carbon source and a silicon source and carrying out solvent-induced volatilization self-assembly. Compared with the prior art, the catalyst provided by the invention has the characteristics of high-ordered mesoscopic structure, adjustable pore size (7.0nm to 20nm), relatively small gold nano particle size (3nm to 5nm), adjustable gold content (0.5wt% to 2.5wt%), and the synthesis method is simple, is low in cost and facilitates the implementation of large-scale production, thereby having very good economic application prospect.

The invention discloses a nickel-nitrogen co-doped porous carbon material loaded with cobalt nanoparticles, and a preparation method and application thereof, and relates to a preparation method of a porous carbon material. The invention aims to solve the problems that conventional methods for preparing porous carbon are tedious in operation steps, time-consuming, high in overpotential, high in equipment requirements and harmful to the environment, limit the preparation of the porous carbon material, are not suitable for large-scale production and cannot meet the new application requirements inthe fields of energy, catalysis, biology and the like. The nickel-nitrogen co-doped porous carbon material loaded with cobalt nanoparticles grows on foamed nickel in situ. The preparation method comprises the following steps: 1, pretreating the foamed nickel; 2, growing a cobalt-based zeolite imidazate framework structure material nanosheet array on the foamed nickel in situ; and 3, carrying outcalcining. The c nickel-nitrogen co-doped porous carbon material loaded with cobalt nanoparticles is used as a catalyst for hydrogen production through water electrolysis in the field of energy. The nickel-nitrogen co-doped porous carbon material loaded with cobalt nanoparticles can be obtained by using the method.

The invention discloses a method for preparing core-shell structured nanofibers from gel-like oil-in-water type emulsion by electrospinning. The method comprises the following steps: (1) dissolving hydrophilic colloids in a solvent to obtain an aqueous phase solution; (2) adding an oil phase solution containing a hydrophobic active substance to the aqueous phase solution, and uniformly mixing thesolutions to obtain the gel-like oil-in-water type emulsion; (3) performing electrospinning on the gel-like oil-in-water type emulsion to obtain the core-shell structured nanofibers. The invention further discloses the core-shell structured nanofibers prepared with the method. The core-shell structured nanofibers have better biocompatibility and biodegradability due to adoption of the hydrophiliccolloids as a shell, and are applicable to entrapment of the hydrophobic active substance due to adoption of the oleophilic oil phase as a core.

The invention provides an open-cell organosilicon surfactant and a preparation method and application thereof, and high-resilience foam, belonging to the technical field of surfactants. The open-cellorganosilicon surfactant comprises the following raw materials in percentage by weight: 5 to 20% of a component A, 5 to 20% of a component B, 1 to 10% of a component C, 30 to 59% of a component D and30 to 50% of a component E, wherein the component A has a structural formula as shown in the specification; the component B has a structural formula as shown in the specification; the component C hasa structural formula as shown in the specification; and the component D and the component E are copolymers with terminal hydroxyl groups derived from polyhydroxy compounds. The surfactant can be usedfor effectively regulating and controlling the cell opening property and the stability of a polyurethane high-resilience foam body. The preparation method may comprise a step of mixing the five components. The method is simple, easy to operate and suitable for industrial production. When the open-cell organosilicon surfactant is used for preparing the high-resilience foam, the size stability of the high-resilience polyurethane foam can be effectively regulated and controlled.

The invention discloses a local crosslinking ionic membrane with stability and separating property and a preparation method thereof, and belongs to the technical field of membranes. The method comprises the following steps: firstly, blending an ion exchange material solution with a polyvinyl alcohol water solution; coating on a substrate and drying to form a membrane; peeling the membrane and then carrying out heat treatment to obtain an uncrosslinked ion membrane; clamping the uncrosslinked ion membrane between two same porous plastic partition plates and controlling solution leakage not to happen between non-porous regions of the partition plates and the membrane surface contact region; soaking in a crosslinking agent solution and crosslinking; and removing the partition plates and then washing, so as to obtain the local crosslinking ionic membrane. The ionic membrane which is high separating property and is free of stability is subjected to local chemical crosslinking, so that crosslinked-uncrosslinked intermittent distribution is generated on the membrane surface; high stability can be obtained within the crosslinked region; and the uncrosslinked region is kept with high separating property. The crosslinked-uncrosslinked region of the local crosslinking ionic membrane has good binding force, and the stability and the separating property of the membrane are controllable.

The invention discloses a shiitake collagen cultivation medium capable of slowing down heavy metal accumulation. The shiitake collagen cultivation medium is prepared from, by weight, 3-4 parts of limestone powder, 4-5 parts of calcium carbonate, 35-38 parts of cotton seed hull, 26-29 parts of tapioca residue, 1.6-1.8 parts of propylene glycol alginate, 1-2 parts of cobaltous chloride, 4-6 parts of potassium sulfate, 3-5 parts of dolomite calcium powder, 40-44 parts of pig shin waste, 1-2 parts of sodium chloride powder and proper amounts of pH2.5 acetic solution, sodium hydroxide solution and water. By adding the limestone powder and calcium carbonate, massive calcium ions therein change electric potential of heavy metal in the medium and compete for absorption by shiitake, stability of PH value in the medium is regulated, and difficulty of heavy metal elements in entering hypha cells is increased, so that heavy metal accumulation in shiitake is slowed down, and damage to human health caused by the fact that heavy metal enters human bodies through intake of shiitake is avoided.

The invention relates to an RFID (radio frequency identification device) application value evaluating system of a supervision place based on law enforcement evidence preservation and individual case correction. The evaluating system comprises an RFID terminal communication module, a positioning monitoring module connected with the RFID terminal communication module in a communication manner, and an evaluating module connected with the RFID terminal communication module and the positioning monitoring module respectively in a communication manner. The evaluating system provided by the invention has the beneficial effects that the evaluating module records different case conditions and conditions of different prisoners involved in different cases and can receive information sent by the positioning monitoring module in real time, and thus the information is updated timely; the law enforcement evidence preservation is facilitated, the impartial law enforcement is guaranteed, and false charges are reduced; with the individual case correction, the behaviors of prisoners are improved, and the stable supervision is guaranteed; the cases are analyzed through the evaluating module so as to fulfill the in-time correcting purpose, so that the individual case correcting capacity is improved, and the central position of education correction is effectively improved.

The invention provides a control method of a variable mass-variable rigidity composite dynamic vibration absorber. The control method comprises the steps of 1 determining an effective vibration reduction frequency band of the composite dynamic vibration absorber; 2 dividing the effective vibration reduction frequency band determined in the step 1 into two parts; 3 obtaining the frequency of external excitation borne by the composite dynamic vibration absorber; and 4 comparing the external excitation frequency of the composite dynamic vibration absorber obtained in the step 3 with the two effective vibration reduction frequency bands obtained by division in the step 2, and further controlling the composite dynamic vibration absorber. The variable mass and the variable rigidity of the vibration absorber adopt two mutually independent control systems and do not influence each other, when one system fails, it can be avoided that the adjusting performance of the vibration absorber fails completely, the performance of the vibration absorber is more stable, and the control method is simple, effective and good in stability.

The invention discloses a preparation method of a gel type fish soup instant food, and belongs to the field of instant food processing, snakehead is washed, diced, fried and boiled under high pressure, fish soup in a pot is crushed and sieved, a modern food forming technology and a nutrition compounding idea are adopted to develop novel snakehead gel soup, kelp molecular balls are matched, and the instant food is prepared. Meanwhile, a gel compounding technology is used for stabilizing a fish soup system, so that the novel gel type fish soup convenient food which is comprehensive in nutritional composition, can be eaten instantly or brewed, is instant, smooth and not greasy, and the fish soup tastes mellow and delicious after being heated is obtained.

The invention discloses a system and method for wet flue gas desulfurization and oxidation monitoring in cooperation with sulfur mixing and blending combustion of a thermal power plant, and belongs to the technical field of sulfur mixing and blending combustion of thermal power plants. The system comprises an absorption tower for desulfurization reaction, an SO2 inlet pipe, a boiler and a slurry oxidation analyzer, wherein the SO2 inlet pipe is arranged on the outer side of the absorption tower, an SO2 outlet is formed in one side of the upper end of the absorption tower, and detection equipment is arranged at the SO2 outlet; the boiler is arranged at the upstream of the absorption tower, a flue gas channel of the boiler communicates with the SO2 inlet pipe, and a furnace coal quality analyzer is arranged at the upstream of the boiler; and the slurry oxidation analyzer is arranged at the downstream of the absorption tower. According to the system, the sulfur mixing and blending combustion function is integrally guided by desulfurization, so that the desulfurization potential is excavated to the maximum extent, the actual desulfurization maximum output is found out, the sulfur content of fire coal can be further increased from a design value and determined by a blending combustion experiment, the purchasing range of the coal coming market of a power plant is enlarged, the adaptability and diversity of the fire coal are improved, economic coal with higher sulfur content is purchased, and the power generation cost is greatly reduced.

The invention relates to a capillary inlet flow regulator. The capillary inlet flow regulator is characterized by comprising a cylindrical water outlet base, a water inlet cover, a core seat and a disk-shaped elastic membrane, wherein a round hole is arranged on the sidewall of the water outlet base, a cylindrical joint pipeline is arranged on the circumference of the round hole, the water inlet cover is arranged on the top portion of the cylindrical joint pipeline, a water inlet communicated with the cylindrical joint pipeline is arranged on the cover plate, the core seat is arranged in the cylindrical joint pipeline and comprises a round bottom plate, a cylindrical retaining wall is arranged on the top portion of the round bottom plate, a water inlet ring is formed between the periphery of the cylindrical retaining wall and the cylindrical joint pipeline, a central water outlet is arranged at the center of the round bottom plate, a plurality of fan rings protruding upwards are arranged at intervals on the circumference of the central water outlet, surfaces of the fan rings are arc-shaped, groove runners are formed between every two adjacent fan rings, a central jacking column protruding upwards is arranged in the central water outlet, detachable adjusting plates are respectively arranged at positions, corresponding to the groove runners, on the cylindrical retaining wall, and the disk-shaped elastic membrane is arranged in the cylindrical retaining wall and above the fan rings and the central jacking column.

The invention discloses a method for preparing core-shell structured nanofibers from gel-like oil-in-water type emulsion by electrospinning. The method comprises the following steps: (1) dissolving hydrophilic colloids in a solvent to obtain an aqueous phase solution; (2) adding an oil phase solution containing a hydrophobic active substance to the aqueous phase solution, and uniformly mixing thesolutions to obtain the gel-like oil-in-water type emulsion; (3) performing electrospinning on the gel-like oil-in-water type emulsion to obtain the core-shell structured nanofibers. The invention further discloses the core-shell structured nanofibers prepared with the method. The core-shell structured nanofibers have better biocompatibility and biodegradability due to adoption of the hydrophiliccolloids as a shell, and are applicable to entrapment of the hydrophobic active substance due to adoption of the oleophilic oil phase as a core.

The invention particularly relates to preparation of nano-particles based on regenerated silk fibroin combined with a photosensitizer and anti-tumor research of the nano-particles. The method comprises the following synthesis steps: (1) degumming silkworm cocoons to extract silk fibroin, and preparing a regenerated silk fibroin RSF solution; and (2) physically embedding a photosensitizer Ce6 in the silk fibroin by adopting a solvent removal method to prepare the Ce6-loaded silk fibroin nanoparticles SFC NPs. The prepared nanoparticles have uniform size and good stability in an aqueous solution, and have basically negligible toxic and side effects and a good treatment effect in tumor treatment. Meanwhile, near-infrared fluorescence of the photosensitizer Ce6 is used for imaging, and diagnosis and treatment integration is achieved.

The invention discloses an atomization-rate-adjustable compressed air type atomizer, and belongs to the technical field of medical instruments. The atomizer comprises an atomization pump and a controlstructure, the atomization pump comprises a motor and a gas compression device, the gas compression device is provided with a gas inlet and a gas outlet, the atomization pump includes a single pump body or a plurality of parallelly connected pump bodies, the control structure comprises a control unit and a control switch, the control switch is connected with the control unit and the motor, and the control switch can control starting and stopping of the atomization pump to adjust the atomization rate of the single pump body or the parallelly connected pump bodies. According to the atomizer, the atomization rate can be widely adjusted by controlling the rotating speed of the single pump body or the parallelly connected pump bodies.

The invention discloses an LED visible light communication bandwidth improving method comprising the following steps: (1) one or more kinds of fluorescence molecules which are greater than 0.1ns-1 are assembled in a framework base material via a supermolecule assembling or channel loads, and illuminating composite material is formed; (2) the illuminating composite material and an LED chip are combined to form a white light LED used for visible light communication. According to the method disclosed in the invention, fluorescent powder material which is high in illuminating speed rate and great in quantum yield is made via synthesizing operation through a chemical approach, rare earth fluorescent powder currently used in conventional commercial LEDs is replaced, LED response frequency is improved, and an LED-based visible light communication speed rate can be enhanced.

The invention discloses a flame-retardant foaming agent and a preparation method thereof. The preparation method includes evenly mixing a two-dimensional nano material with polyhydric alcohol, reacting the two at 80-120 DEG C for 2-4 hours, adding a solubilizing aid and hydroxy silica gel, and evenly mixing to obtain the flame-retardant foaming agent. The flame-retardant foaming agent comprises, by mass, 0.1-1% of the two-dimensional nano material, 30-60% of the polyhydric alcohol, 0.1-1% of the solubilizing aid and 30-70% of the hydroxy silica gel. The invention also discloses a flame-retardant silicone rubber foam material. The flame-retardant foaming agent serves as a foaming aid for the flame-retardant silicone rubber foam material. The flame-retardant silicone rubber foam material comprises, by mass, 5-25% of hydrogen-containing silicone oil, 10-65% of the hydroxy silica gel, 0.1-10% of the foaming aid, 0.001-4% of inhibitors, 5-50% of vinyl silicone oil and 0.1-3% of catalysts. The flame-retardant foaming agent is green and environmentally friendly, the preparation process is simple, and the obtained flame-retardant silicone rubber foam material has a good application prospect in the fields such as aerospace, rail traffic, automobiles, and electronic and electrical appliances.

The invention belongs to the technical field of application of computers, and relates to an analysis and evaluation method for a releasing process of a mixture chemome. A project route is set through a project information management module and a new project is built; test data stored in an Excel file cell are introduced into the inner memory of a computer through a test data read-in module, the test data are calculated through a chemome concentration and release degree calculation module after being introduced, a test data write-in module stores the calculation result of the releasing process of the mixture chemome into the project route in an Excel file mode, and finally a chemome concentration and releasing degree calculation evaluation analysis result visualized module displays a line graph formed by the releasing degree and the average releasing degree of the mixture chemome onto the screen of the computer through a FusionCharts graph instrument. A system used in the method is simple in structure, reliable in composition principle, high in analysis and evaluation speed, accurate in data, flexible and convenient to apply and operate, good in visuality and friendly to the use environment.

The invention discloses an application of KMT2D in the preparation of antitumor drugs, and belongs to the technical field of biological medicines. A protein structure of KMT2D is analyzed through a bioinformatics means, two essentially disordered structures LCD1 and LCD2 of the KMT2D protein are finally obtained through screening, and the influence of the two structures on the KMT2D function is researched by combining the gene editing technology, the change (including mRNA and protein levels) of a KMT2D enzymatic complex is further researched, and thereby a foundation is laid for the deep understanding of a mechanism of KMT2D promoting tumor.

The invention relates to a method for regulating and controlling the structure of a carbon-supported PtCu3 alloy catalyst, and belongs to the technical field of carbon-supported PtCu3 alloy catalysts. The preparation method comprises the following steps: adding Pt / C powder into a copper salt aqueous solution, uniformly mixing, and carrying out ultrasonic impregnation for 30-60 minutes to obtain a mixed solution; freezing the mixed solution to obtain a mixed solid; and placing the mixed solid in N2 gas or N2 / H2 mixed gas, heating to 800-1000 DEG C at a constant speed, carrying out constant-temperature heat treatment, and cooling to room temperature in the N2 gas atmosphere to obtain the carbon-supported PtCu3 alloy catalyst with an ordered and / or disordered structure, thereby realizing regulation and control of the structure of the carbon-supported PtCu3 alloy catalyst. According to the method, the PtCu nanoparticles are subjected to heat treatment in the atmosphere of N2 gas or N2 / H2 mixed gas for different times, so that regulation and control of disordered PtCu3 alloy-ordered PtCu3 alloy of a crystal phase of PtCu3 are achieved, and a structure with the surface rich in Pt and the interior poor in Pt is generated through regulation and control.

The invention relates to the technical field of safety monitoring, in particular to a home isolation intelligent supervision system. The invention provides a home isolation intelligent supervision system, which comprises a door magnetic device and a background server. The door magnetic device comprises a door magnetic main device and a magnetic strip. The door magnetic main device is installed on a door body, and the magnetic strip is installed on a door frame. The door magnetic main device is used for monitoring whether the door body is opened and closed or not, and generating door body state information according to the opening and closing action of the door body. The door magnetic main device comprises an NB-IoT (Narrow Band Internet of Things) wireless network transmitter. The NB-IoT wireless network transmitter converts the door body state information into IoT service related data and sends the IoT service related data to the background server through an NB-IoT wireless network. The background server determines whether to respond to the door body state information to carry out supervision actions or not according to an alarm strategy. According to the invention, remote monitoring is realized based on close combination of the NB-IoT technology and the door magnetic technology, the personnel cost is reduced, information-based management is perfected, and the system can be used in a large scale.

The invention discloses a silk fibroin / polylactic acid composite microporous membrane material and a preparation method and application thereof. In the invention, the natural silk fibroin material and the polymer polylactic acid material are compounded in a certain proportion, and the silk fibroin of different mixing proportions with a certain porosity and controllable structure and mechanical properties is prepared by a solid solvent-free gas foaming method. / polylactic acid composite microporous membrane. The preparation method of the silk fibroin / polylactic acid composite microporous membrane material in the present invention has the advantages of non-toxicity, no residue, simple operation, etc., and the organic solvent or high temperature used in the traditional stent preparation method is avoided in the micropore preparation process; And according to the pressure of the foaming gas, the pore size and porosity of the composite microporous membrane material and its thermal stability and mechanical properties can be flexibly adjusted. The preparation of the invention can obtain a safe, non-toxic and degradable composite microporous membrane material, which can be used for tissue engineering, such as skin dressings, artificial blood vessels, bone scaffolds and the like.

The invention discloses a preparation method of a polyoxyethylene ether chain azobenzene nonionic surfactant, which belongs to the technical field of textile chemical industry. A polyoxyethylene ether chain azobenzene nonionic surfactant was synthesized from 4-hydroxyazobenzene and polyethylene glycol. The polyoxyethylene ether chain azobenzene nonionic surfactant can undergo reversible isomerization from trans to cis under the irradiation of ultraviolet light and visible light, and change the tightness of its arrangement on the surface of the foam liquid film through steric hindrance. Realize the effect of low concentration and high foam stability. It can be used as wetting and penetrating agent, detergent and low-concentration surfactant, which solves the contradiction of foam stability before and after dyeing and finishing, and can be used in some low-cost foams to improve foam utilization and effectively recover foam. Pollution and waste of chemical reagents are reduced.

The invention discloses an intelligent geographic surveying and mapping device, which belongs to the field of surveying and mapping. An intelligent geographic surveying and mapping device, through the setting of the stability control sheet, when the surveying and mapping UAV loses balance due to an accidental impact, under the action of gravity , the touch tether ball quickly moves downward, so that it can squeeze the touch end on the balance control bag, so that the ends of the liquid storage ends on both sides of the touch end are arched, and the control liquid quickly enters the reverse control In the rod, the reverse control rod generates a thrust on the maintenance bead chain, so that the maintenance bead chain moves in the opposite direction of the loss of balance, thereby increasing the gravity of the tilting side of the surveying and mapping UAV, so as to achieve the stability of the surveying and mapping UAV. The effect of regulating the stability after an accidental impact can effectively ensure the normal progress of surveying and mapping, making the geographical surveying and mapping more efficient. At the same time, with the function of the position control rope, the center touch ball that can fall can move up quickly, thus assisting in maintaining stability. Regulation of stability by bead chains.