189results about How to "Good environmental stability" patented technology

The invention relates to the field of sponge materials, and provides an antibacterial degradable sponge material and a preparation method thereof. The material is prepared from protocatechuic acid modified quaternized chitosan, quaternary ammonium salt grafted gelatin, sodium alginate, polyhydroxybutyrate, polycaprolactone, a polylactic acid-glycolic acid copolymer, hexamethylene diisocyanate, a foaming agent, nano cellulose, vitamin E, polyethylene glycol, triethylamine and dimethylformamide. Protocatechuic acid and quaternized chitosan are subjected to amidation modification, and chitosan and gelatin are subjected to quaternization treatment by adopting 2, 3-epoxypropyl trimethyl ammonium chloride, so that the antibacterial property and biodegradability of the material are improved. In the material preparation process, through vacuum degassing, foaming vacuum degree and humidity control and a multi-step drying process, it is ensured that the average pore size of the material is uniform (50-200 microns) and the porosity is high (50%-90%), and the obtained material has excellent antibacterial property and degradability and has wide application value.

The invention discloses a lithium ion battery negative electrode with low expansion and low impedance. The lithium ion battery negative electrode comprises a composite current collector and a negative electrode active material coating coated on at least one surface of the composite current collector, the negative electrode active material coating comprises a negative electrode active material, graphene and lithium polyacrylate; the mass ratio of the negative electrode active material to the graphene to the lithium polyacrylate is (90-99): (0.5-5): (0.5-5), the negative electrode active material comprises a silicon carbon material and a coating material layer arranged on the outer surface of the silicon carbon material, and the coating material layer comprises a polypyrrole layer and single-walled carbon nanotubes uniformly distributed in the polypyrrole layer. Compared with the prior art, the lithium ion battery negative electrode provided by the invention has the advantages of low expansion and low impedance, and can effectively inhibit the expansion of silicon particles, reduce the internal resistance of the battery and maintain the structural stability of the electrode.

The invention relates to a perovskite solar cell and a preparation method thereof, and belongs to the technical field of solar cells. The perovskite solar cell comprises a conductive substrate, a hole transport layer, a passivation layer, a perovskite layer, an electron transport layer and a metal electrode which are arranged in sequence, the material of the passivation layer is selected from one or more of mercaptoethylamine, ethylenediamine and propylamine; and the thickness of the passivation layer is 1 nm to 10 nm. Through the introduction of interface passivator molecules, the interface between the hole transport layer and the perovskite layer is improved. The surface wettability of the PTAA thin film is enhanced, so that the perovskite precursor solution can form a uniform and compact perovskite layer on the PTAA / SCAs thin film, the carrier separation and transmission efficiency at an interface is improved, and the stability of a device is enhanced.

The invention relates to the technical field of semiconductor devices, in particular to a preparation method and application of a two-step perovskite nucleation interface for inducing growth of needle-shaped three-dimensional fluffy lead iodide by taking a lactic acid protonated imidazolium salt modified electron transport layer as a nucleation template. Spin-coating a lactic acid protonated imidazolium salt solution on the SnO2 layer, and annealing to obtain a nucleation induction template; and then spin-coating a lead iodide solution on the surface, and annealing to obtain the needle-shaped three-dimensional fluffy lead iodide composite nucleation interface. According to the method, lactic acid protonated imidazolium salt is creatively used as a lead iodide nucleation site, and an induced needle-shaped three-dimensional fluffy lead iodide composite interface has remarkably enhanced wettability and hydrophobicity, so that on one hand, the crystallinity of the two-step perovskite thin film is revolutionarily improved; the wettability of the organic mixed solution in the second step is effectively improved, so that the perovskite crystal is fully nucleated and grows; and on the other hand, the strong hydrophobicity is beneficial for preparing a high-quality perovskite thin film in the air, and the stability of the thin film and the device is greatly improved.

The invention belongs to the technical field of flexible transparent film electrodes, and particularly relates to a flexible indium tin oxide film electrode, a preparation method and a flexible solar cell. According to the flexible indium tin oxide thin film electrode provided by the invention, after the processes of pre-treating substrates such as PET, covering an acrylic resin hard coating, depositing a SiO2 transition layer and the like, the adhesive force of the indium tin oxide conductive thin film is improved through the indium tin oxide conductive thin film deposited through alternate radio frequency magnetron sputtering and direct current pulse magnetron sputtering; the bottom layer deposited by radio frequency magnetron sputtering is used for providing an interface seed layer for the fluorine-doped indium tin oxide conductive thin film layer deposited by direct current pulse magnetron sputtering and having high carrier concentration and low resistance, and the top layer is used for providing protection, so that the conductivity, environmental stability and other properties of the flexible indium tin oxide thin film electrode are improved; the conductive performance is not easy to attenuate, the long-term use stability is good, and the technical problem that in the prior art, a flexible transparent film electrode is low in performance is solved.

The invention relates to a method for optimizing the quality of a perovskite layer through atmosphere annealing, and belongs to the technical field of perovskite layer quality optimization, and the method comprises the steps: preparing precursor materials: taking methylamine hydrochloride, cesium iodide, formamidine iodide and lead iodide as perovskite precursor materials; the preparation method comprises the following steps: preparing a solvent: mixing N-methyl pyrrolidone with dimethylformamide; solution preparation: mixing the precursor material with a solvent to prepare a precursor solution; stirring and filtering the solution; preparing a substrate: sputtering NiO serving as a hole transport layer material on the glass substrate; blade coating of a perovskite precursor solution: uniformly blade coating the precursor solution on the glass substrate coated with the NiO film; preliminary drying; vacuum annealing preparation: placing the glass substrate coated with the perovskite precursor film in a vacuum cavity; nitrogen atmosphere filling: filling high-purity nitrogen; in the nitrogen atmosphere, the temperature in the cavity is increased to a certain temperature range, annealing is conducted at the temperature, and the optimized annealing temperature and time are selected; and cooling and packaging.

The invention discloses an ultrahigh-linearity MOMES accelerometer based on a self-tracing grating, and belongs to the field of detection instruments, the ultrahigh-linearity MOMES accelerometer comprises an MEMS harmonic oscillator, a self-tracing grating interferometer and a data processing module, the MEMS harmonic oscillator comprises a folding beam, a fixed outer frame and a mass block, the outer side wall of the folding beam is connected with the inner side wall of the fixed outer frame, and the mass block is connected with the MEMS harmonic oscillator. The mass block is arranged at the bottom of the folded beam, the self-traceability grating interferometer comprises a self-traceability grating and an interference measurement reading head, and the self-traceability grating is arranged on the mass block. The ultrahigh-linearity MOMES accelerometer based on the self-traceability grating has extremely high measurement linearity, displacement measurement can be traced in real time, and compared with a traditional MOMES accelerometer, the accuracy of displacement measurement can be improved, and the nonlinear effect of acceleration measurement is reduced.

The invention relates to a preparation method and application of shape memory organic hydrogel with heterogeneous phase change, and belongs to the technical field of material scientificity, the organic hydrogel is prepared through a one-step emulsion thermal polymerization method, and the organic hydrogel not only shows remarkable stretchability under the phase change exceeding 1100%, but also has good shape memory performance under the phase change exceeding 1100%. The prepared electromagnetic shielding material has the advantages of excellent mechanical property, excellent stability, excellent thermal mechanical property, excellent recoverability, good shape memory effect, excellent electromagnetic absorption capability and electromagnetic shielding performance with absorption as a main component.

The invention relates to the technical field of surface corrosion prevention, and discloses a high-strength corrosion-resistant steel bar surface epoxy coating and a preparation method thereof. The high-strength corrosion-resistant steel bar surface epoxy coating comprises the following components in parts by weight: 1-5 parts of modified polyaniline / TiO2 powder, 8-10 parts of aluminum triphosphate, 8-10 parts of zinc phosphate, 8-10 parts of talcum powder, 10-15 parts of barium sulfate, 100-200 parts of modified epoxy resin, 50-100 parts of a curing agent, 10-20 parts of an accelerant and 1-3 parts of a flatting agent. The modified polyaniline / TiO2 high-strength corrosion-resistant epoxy coating provided by the invention has the advantages of self-cleaning, scratch resistance, corrosion resistance, wear resistance and the like, and polyaniline has excellent host capability of capturing nano particles and can be co-doped with some active inorganic nano particles to effectively improve the solubility and corrosion resistance of the nano particles. And the modified epoxy resin has the characteristic of high temperature resistance, so that more comprehensive protection is further provided for the reinforcing steel bar. The method is low in cost and environment-friendly, and has good social and economic benefits.

The invention relates to the field of agricultural pest control, and discloses a composite pest control agent based on a plant extract as a core. Comprising 15%-25% of honeysuckle extract, 10%-20% of podophyllum hexandrum extract, 15%-25% of camellia peel extract, 10%-20% of wikstroemia indica extract, 10%-20% of senecio scandens extract, 10%-20% of lycoris radiate extract, 1%-3% of a synergist, 5%-10% of an emulsifier and a solvent. According to the invention, a plurality of plant extracts are fused, and effective prevention and control of a plurality of fungi, bacterial diseases and pests are realized through accurate optimization of the ratio. Compared with a current technology which only adopts a single plant extract, the method has the advantages that the comprehensive prevention and treatment efficiency is remarkably improved, the problems of limited prevention and treatment range and poor multi-pest control effect are successfully solved, and the blank in the research and application field of the compound plant extract prevention and treatment agent is filled.

The present invention belongs to the technical field of solar cell packaging, and specifically discloses an anti-reflection and anti-reflection film on the surface of photovoltaic packaging glass and a preparation method, comprising the following steps: S1, pre-cleaning of the surface of the glass substrate; S2, purging the surface of the glass substrate using a plasma generator; S3, depositing an ALD-TiO2 seed layer on the surface of the glass substrate using atomic layer deposition technology; S4, depositing an ALD-TiO2 / SiO2 composite layer on the upper surface of the ALD-TiO2 seed layer according to a certain thickness ratio. The present invention adopts the above-mentioned anti-reflection and anti-reflection film on the surface of photovoltaic packaging glass and a preparation method, the film has excellent anti-reflection and anti-reflection effect, and the film has high stability, uniformity and durability, effectively reduces light loss, and thus improves photoelectric conversion efficiency.

The invention discloses a preparation method of stability-enhanced alginic acid-keratin-based double-coated nanoparticles. The preparation method comprises the following steps: carrying out controllable enzymolysis, enzyme deactivation, centrifugation and freeze-drying on keratin to obtain keratin nanoparticles formed by self-assembly; dispersing the keratin nanoparticles in an acidic buffer solution to carry out structure development, adding bioactive molecules, and adjusting the pH to be neutral to recombine and close the keratin nanoparticle structure to obtain a keratin nanoparticle solution loaded with the bioactive molecules; the preparation method comprises the following steps: taking keratin as a template, dispersing the keratin into a sodium alginate solution, dropwise adding into a calcium chloride solution, cross-linking to form a calcium alginate shell, dialyzing or centrifuging to remove free bioactive molecules, and freeze-drying to obtain the bioactive molecule loaded alginic acid-keratin-based double-coated nanoparticles. The invention also discloses double-coated nanoparticles and application thereof, through controllable enzymolysis and pH regulation and control, the self-assembly and bioactive molecule encapsulation of the keratin nanoparticles are improved, and the double-coated nanoparticles with regular shape, good dispersibility, good redissolvability and good environmental stability are formed.

The invention discloses immobilized lipase with sponge as a carrier and preparation and application of the immobilized lipase, belongs to the technical field of enzyme engineering, and provides a preparation method of the immobilized lipase with the sponge as the carrier, and the preparation method comprises the following steps: soaking the sponge in a silane coupling agent, and drying for the first time to obtain modified sponge; and mixing the modified sponge with glutaraldehyde and a lipase solution, standing, eluting, and drying for the second time to obtain the immobilized lipase. The modified sponge immobilized lipase which is high in enzyme loading capacity, high in catalytic efficiency, good in environmental stability and high in repeated use frequency is constructed.

The invention provides an oligomeric micromolecule donor compound as well as a preparation method and application thereof. The oligomeric small molecule donor compound belongs to a brand-new long conjugate organic small molecule donor material containing a connecting unit, two or more efficient organic small molecule donors are combined into a whole, the conjugate length is prolonged, and a series of novel oligomeric small molecule donor materials are synthesized. The oligomeric small molecule donor compound disclosed by the invention has good batch repeatability and relatively good film-forming property; the oligomeric small molecule donor compound prolongs the conjugate length, has excellent ultraviolet-visible light absorption performance, has strong interaction and aggregation among molecules, can realize good phase separation from a non-fullerene receptor, has a proper electron energy level, and is suitable for being used as an electron donor material in an organic solar cell.

The invention discloses a peanut red skin procyanidine microcapsule as well as a preparation method and application thereof, and belongs to the technical field of microcapsules. The peanut red skin procyanidine microcapsule is prepared by the following method: adding peanut red skin procyanidine powder into a wall material solution, and uniformly mixing to obtain a mixed emulsion; and homogenizing the mixed emulsion, and freeze-drying to obtain the peanut red skin procyanidine microcapsule. The inulin and the whey protein are used as wall materials, the peanut red skin procyanidine is used as a core material, and the proportion of the inulin and the whey protein is optimized, so that the prepared microcapsule can weaken the influence of the peanut red skin procyanidine powder on the color and luster of food and improve the environmental stability and the gastrointestinal tract slow release characteristic of the microcapsule. And meanwhile, the prebiotic inulin is used as a wall material raw material, so that the intestinal microecology can be improved, and the intestinal health can be promoted.

The invention discloses a low-dimensional layered wide-band-gap perovskite material, a wide-band-gap perovskite solar cell and a preparation method of the low-dimensional layered wide-band-gap perovskite material, the chemical formula of the low-dimensional layered wide-band-gap perovskite material is A2Bn-1PbnX3n + 1, A is at least one of 4-fluoro-phenethylammonium ions, phenethylammonium ions, butylammonium ions and octyl ammonium ions, Pb is at least one of 4-fluoro-phenethylammonium ions, Pb is at least one of 4-fluoro-phenethylammonium ions, Pb is at least one of 4-fluoro-phenethylammonium ions, Pb is at least one of 4-fluoro- B is at least one of methylamine ions, formamidine ions and cesium ions, X is at least one halide ion, and n is larger than 1 and smaller than 10. The low-dimensional layered wide-band-gap perovskite material provided by the invention has excellent environmental stability, the band gap can reach 1.70 eV, the open-circuit voltage of a perovskite solar cell based on the low-dimensional layered wide-band-gap perovskite material can reach 1.27 V, the photoelectric conversion efficiency of 20.18% can be obtained under the effective area of 0.1 cm < 2 >, and the low-dimensional layered wide-band-gap perovskite material has relatively good stability.

The invention discloses a solar panel flexible driving structure based on carbon fibers on a spacecraft and a control method of the solar panel flexible driving structure. The flexible driving structure comprises composite fibers, a fixing unit and an electric control unit. The composite fiber has an initial twist and comprises a carbon fiber tow and a polymer, the polymer comprises PDMS, and the space between adjacent monofilaments is completely filled with the polymer; the fixing unit is used for bundling and fixing two end parts of the plurality of composite fibers into a whole and is in transmission connection with a solar panel and a spacecraft; the electric control unit is electrically connected with two ends of the fiber. By utilizing the characteristics of self-conduction, high driving force, high driving quantity, long cycle life and high environmental stability of the CF / PDMS composite fiber, the problems that various existing artificial muscle fibers are small in driving force, low in driving quantity and difficult to adapt to the outer space environment are solved, the driving quantity and the driving force are accurately controlled by controlling the voltage and the power-on time, and the mechanical property of the artificial muscle fiber is improved. And a better solution is provided for driving the solar panel of the spacecraft.

The invention belongs to the field of nonlinear optical materials, and relates to an ultraviolet nonlinear optical crystal material and a preparation method and application thereof. The chemical formula of the ultraviolet nonlinear optical crystal material is Zn (C5H4NO) 2, C5H4NO represents 4-hydroxypyridine, and the 4-hydroxypyridine and Zn < 2 + > are combined through a coordinate bond to form a [ZnN2O2] tetrahedron; the crystal belongs to an orthorhombic system, and the space group is Fdd2. The band gap of the ultraviolet nonlinear optical crystal material is 4.40 eV, the second harmonic generation is as high as 13.6 * KDP, the birefringence delta n = 0.073 at the wavelength of 532 nm, the birefringence delta n = 0.074 at the wavelength of 1064 nm, and the ultraviolet nonlinear optical crystal material presents a photoluminescence characteristic, and has phosphorescence with the service life of 558 ms and blue afterglow visible to naked eyes and as long as 5 s under exciting light with the wavelength of 330-420 nm. In addition, the ultraviolet nonlinear optical crystal material has very strong water resistance, thermal stability and environmental stability, and has a good application prospect in the field of nonlinear optical materials.

The invention provides a method, a device, equipment and a medium for allocating virtual machine resources by host machines, and relates to the technical field of host machine resource allocation, the method comprises the following steps: acquiring allocated logic core number and residual logic core number corresponding to each physical core on each host machine to obtain a logic core array list; each host machine is automatically checked according to the logic core array list, it is ensured that when any host machine is crashed and unavailable, enough resources can be provided for migrating virtual machine resources on the host machine, the stability of the cloud platform environment is improved, and normal operation of services is guaranteed; meanwhile, a large number of CPU resources do not need to be reserved manually, the resource use efficiency is improved, and the cost is reduced.

The invention relates to the technical field of photoelectric devices, in particular to a perovskite thin film and a preparation method thereof, a perovskite precursor solution, a photoelectric device and an electric device. According to the perovskite thin film provided by the invention, the perovskite thin film comprises an ABX3 type perovskite material and a cross-linked polymer, and the cross-linked polymer is a polymer obtained by cross-linking an ether-containing amide monomer. The cross-linked polymer contained in the perovskite thin film provided by the invention can effectively passivate surface defects of the perovskite thin film so as to improve thermal stability and photoelectric properties of the perovskite thin film.

The invention belongs to the technical field of optical fibers, and particularly discloses application of microcrystalline glass in an optical fiber ferrule and an optical fiber connector. The glass ceramic comprises the following components in percentage by weight: 50 to 80 percent of SiO2 (silicon dioxide), 5 to 40 percent of Al2O3 (aluminum oxide), 8 to 30 percent of Li2O (lithium oxide) and 0.1 to 3 percent of a strength additive, the strength additive is one or more of a rare earth metal compound, a transition metal compound, organic fibers, borate, phosphate, magnesium oxide or magnesium fluoride. According to the invention, the microcrystalline glass added with the strength additive is used as an insertion core material of the optical fiber connector, so that the optical fiber connector can show higher environmental stability and higher thermal shock resistance in an extremely high temperature environment, and performance fluctuation caused by high temperature thermal expansion and thermal cycle impact is reduced; and the method can be applied to high-temperature fields such as high-power laser and the like and fields with large environment temperature change.

The invention belongs to the technical field of synthesis and application of organic semiconductor materials, and particularly relates to conjugated small molecule photoresist, a preparation method thereof and application of the conjugated small molecule photoresist in an organic thin film transistor. A compound of an alkyl chain with a photoreaction functional group is introduced to benzothienobenzothiophene, a polymerization reaction can be carried out under the assistance of a cross-linking agent by introducing an acetylene group, the polymerization reaction can be carried out by introducing diacetylene, meanwhile, the overall stacking structure of a BTBT core is not changed, and a channel is provided for efficient transmission of current carriers. Therefore, the material combines the functions of organic semiconductor molecules and traditional photoresist, and a new thought is provided for the design of the conjugated small-molecule semiconductor photoresist.

The invention discloses a perovskite quantum dot Micro-LED based on a double-ligand strategy and a preparation method thereof. The Micro-LED structurally comprises a distributed Bragg reflector, a quantum dot color conversion unit, a GaN blue light LED and a CMOS integrated circuit substrate. The GaN blue light emitting unit is composed of a plurality of blue light LED pixel points and is integrated on the CMOS integrated circuit substrate. The quantum dot color conversion unit sequentially comprises a glass substrate, a metal electrode, an electrode modification layer, an electron transport layer, a perovskite quantum dot layer, a hole transport layer, a hole injection layer, a transparent electrode and a packaging film from bottom to top, and is used for converting blue light into a required color and realizing a wider color gamut. The luminescent material of the perovskite quantum dot layer is CsPbX < 3 + > PEABr < + > fluorine-containing substituted phenyl ketone, wherein X is halogen elements Br, I and Cl. According to the invention, not only can many problems in the traditional technology be solved, but also the luminous efficiency and the environmental stability of the device can be remarkably improved, and a new technical solution and a wide application prospect are provided for the development of the next generation of high-performance Micro-LED.

The present application relates to the technical field of lighting control, in particular to a landscape lighting dynamic control method based on environment perception data, the present application collects the reflected light radiation of the lighting object at the preset observation position, and compares the reflected light radiation with the reference radiation to obtain the reflected light radiation deviation rate; the surface optical state of the lighting object is identified according to the time series change trend of the deviation rate, and the intermediate state hosting mode is entered during the state transition; after completing the surface optical state switching, the corresponding projection adjustment parameter is obtained by searching the state-projection geometric relationship database; at the same time, hierarchical power compensation control is performed based on the brightness contribution proportion of the near, middle and far layers to generate device control instructions. The method can improve the adaptability of landscape lighting to environmental changes, enhance the visual level coordination and lighting stability.

The invention relates to the technical field of solid luminescent materials, in particular to a CsPbBr3 perovskite quantum dot germanium borate glass material and a preparation method and application thereof. The CsPbBr3 perovskite quantum dot germanium borate glass material provided by the invention is prepared from the following chemical components in parts by mass: 25 to 29 parts of GeO2, 100 to 108 parts of H3BO3, 2 to 6 parts of ZnO, 1 to 4 parts of SrCO3, 3 to 8 parts of Cs2CO3, 2 to 7 parts of PbO and 1 to 8 parts of NaBr. The perovskite quantum dots are embedded into the germanium borate glass, so that the environmental stability of the perovskite quantum dots is improved, and the application prospect of the perovskite quantum dots in photoelectric devices is expanded. Furthermore, LiF is introduced into the perovskite quantum dot germanium borate glass material, so that not only is the fluorescence quantum yield of the perovskite quantum dot glass improved, but also the environmental stability of the perovskite quantum dots can be further improved.

This invention discloses a low-hydrogen flux-cored welding wire based on two-dimensional MXene surface self-assembly modification, its preparation method, and its application, belonging to the field of welding materials technology. The low-hydrogen flux-cored welding wire comprises a steel strip outer sheath and a flux core filled within it, the flux core being composed of metal alloy powder and modified composite flux core powder. Its preparation method includes: preparing a two-dimensional MXene colloidal dispersion using a chemical etching method; cationically modifying the insulating slag-forming powder; mixing the two and electrostatically self-assembling and coating them; after drying, mixing with the metal alloy powder; filling the steel strip; and rolling and drawing into shape. This invention constructs a three-dimensional continuous conductive network within the flux core through the MXene layer, improving arc stability; simultaneously, the MXene shell forms a physically water-blocking labyrinth, endowing the welding wire with ultra-low hydrogen characteristics; the active titanium released by the decomposition of MXene at high welding temperatures can refine the weld grains and improve mechanical properties. This welding wire can be widely used in automated gas-shielded welding processes for high-strength steel.

The invention provides an environment control assembly, photoetching equipment and a manufacturing method of a gas turning channel, the environment control assembly comprises a gas supply channel and a gas turning channel which are communicated, the gas turning channel is gradually narrowed in the direction away from the gas supply channel and forms a gas outlet, and the gas supply channel is communicated with the gas turning channel. The gas supply channel is used for blowing clean gas to the side wall of the gas turning channel, after the clean gas is sprayed out of the gas outlet, one part of the clean gas forms a first gas flow area, and the other part of the clean gas is mixed with external gas to form vortex so as to prevent the external gas from entering the first gas flow area. According to the configuration, the air pressure of the first airflow area is larger than that of the external area, external air is blocked outside the first airflow area, meanwhile, overflowing clean air and the external air form vortex through the air turning channel, and the blocking effect of the first airflow area is further improved.

This invention discloses a method for constant temperature and humidity control of a cigar cabinet based on a fuzzy control algorithm, comprising the following steps: setting a target temperature and humidity range; collecting environmental data of each layer through a distributed sensor array and comparing it with the target range to obtain the temperature and humidity deviation of each layer; inputting the deviation into a temperature and humidity decoupling control module and outputting a weight adjustment signal; inputting the weight adjustment signal into a fuzzy controller to construct a multi-objective fitness function, optimizing it with the WFPSO algorithm, and outputting hierarchical fuzzy controller parameters; inputting the hierarchical fuzzy controller parameters into a hierarchical temperature and humidity model to monitor the status of each layer in real time, and outputting a drive command when the limit is exceeded; inputting the drive command and hierarchical parameters into an actuator, adjusting it, and outputting new environmental data; and using a feedforward control module to adjust in advance when a door opening / closing disturbance warning is issued, dynamically adjusting the status of the affected space layer. This invention improves the temperature and humidity control accuracy and disturbance adaptability of the cigar cabinet through hierarchical optimization and feedforward intervention control mechanisms.

The invention provides a flexible heat pipe based on a bionic directional liquid conveying structure and a manufacturing process, relates to the field of flexible heat pipes, and aims to solve the problem that the heat dissipation efficiency of a current flexible heat pipe is difficult to meet the requirement. A liquid suction channel and a protruding column are formed on a flexible base body of the flexible heat pipe, and the protruding column is of a bionic structure; the capillary pressure of the working medium pumped by the flexible substrate serving as the wick is improved, the gas-liquid circulation in the flexible heat pipe is effectively improved, and the heat dissipation effect of a local area is enhanced, so that the heat dissipation capability and the environmental stability of the flexible heat pipe are improved, and the service life of electronic equipment is prolonged.

The present invention belongs to the technical field of photoelectric functional materials and devices, and discloses a halide perovskite film with improved photoelectric conversion performance, a preparation method and an application thereof. The present invention uses europium chloride, 2-thenoyltrifluoroacetone containing rich functional groups (-CF3, thiophene) and 1,10-phenanthroline to synthesize a new rare earth complex Eu(tta) 3 Phen is added to the perovskite precursor solution, and finally the halide perovskite film of the present invention is prepared by the anti-solvent method. The prepared halide perovskite film is applied to perovskite solar cells, and its average photoelectric conversion performance is improved to 20.40%, and even exceeds 21% when in the best state. At the same time, it has better humidity stability, thermal stability and UV resistance, and has broad application prospects in future applications.