96results about How to "Good regulation" patented technology

The invention relates to the technical field of fertilizer production, and discloses a water-soluble fertilizer formula based on macroelements in gobi regions and a preparation process of the water-soluble fertilizer formula. The fertilizer comprises the following components in parts by weight: 30-50 parts of a nitrogen fertilizer, 40-80 parts of a phosphorus fertilizer, 80-150 parts of a potassium fertilizer, 5-10 parts of a chelating agent, 10-20 parts of a water-retaining agent, 15-30 parts of a soil conditioner, 8-15 parts of a modified composition and 2-5 parts of a trace element composition. Comprising the following steps: S1, raw material pretreatment, S2, mixing and stirring, S3, trace element addition, S4, granulation and drying, and S5, quality detection and packaging. The proportion of the nitrogen fertilizer, the phosphate fertilizer and the potash fertilizer is reasonably adjusted, the special requirements of crops in the gobi region for macroelements are met, the soil structure in the gobi region is effectively improved, the physical property of the soil is improved, and the soil acidity and alkalinity can be adjusted.

The invention discloses a real-time regulation and control test method and system for a power frequency magnetic field of an electric energy meter. The method comprises the steps of monitoring power frequency magnetic field intensity and distribution in a laboratory in real time, performing magnetic field data preprocessing, capturing frequency characteristics of magnetic field signals through a frequency domain multi-scale decomposition algorithm, and adjusting output of a magnetic field generator in real time by using a multi-layer nested adaptive feedback control algorithm on the basis of frequency domain analysis. Accurate magnetic field regulation and control are realized; and uploading test data to a cloud platform, dynamically adjusting a test scheme by using a multi-dimensional fuzzy logic algorithm, generating hidden variables through an enhanced time sequence prediction algorithm, performing time sequence prediction, evaluating performance parameters of the electric energy meter in a power frequency magnetic field environment, and providing support for real-time regulation and control test of the electric energy meter. By analyzing the prediction result, the performance parameters of the electric energy meter in the power frequency magnetic field environment are evaluated, support is provided for real-time regulation and control testing of the electric energy meter, and optimal regulation and control of the magnetic field can be achieved.

The invention discloses a lake and reservoir inflow and outflow scheduling scheme optimization method and system based on a three-dimensional hydrodynamic force-water quality-water ecological model, and the method comprises the steps: firstly constructing a three-dimensional hydrodynamic force-water quality-water ecological model of a target lake and reservoir, setting a scheduling constraint, a scoring constraint, a scoring single item, and a comprehensive scoring weight by a decision maker, stratified sampling and one-dimensional uniform random sampling are carried out on each flow range of a water replenishing port, a flow outlet and a water suction pump station which can be regulated and controlled manually according to scheduling constraints set by a decision maker, and a plurality of inflow and outflow scheduling schemes are generated; and performing big data mining on the model calculation results of all the access flow scheduling schemes, performing comprehensive scoring according to the scoring single item and the comprehensive scoring weight, and selecting the access flow scheduling scheme with the highest comprehensive score as an optimal scheduling scheme for recommendation. The method has the advantages of high simulation precision, flexible decision support, multi-target comprehensive balance and the like, and a scientific and efficient technical solution can be provided for lake and reservoir inflow and outflow scheduling.

The invention discloses a preparation method of a low-density high-thermal-conductivity copper-based graphite heat sink material, which comprises the following steps of: 1, selecting one or more than two copper alloy powder of CuZr powder, CuCr powder and CuCrZr powder as matrix powder, and mechanically ball-milling and mixing the matrix powder with graphite powder; 2, sintering the mixed powder to obtain a sintered body; and 3, carrying out aging heat treatment on the sintered body to obtain the low-density high-thermal-conductivity copper-based graphite heat sink material. The reinforced phase raw material graphite powder is added into the copper alloy powder to be mixed and sintered, so that a carbide ceramic phase is generated in situ, a ceramic phase transition layer is formed, the interface bonding capacity between a copper matrix and graphite is improved, the copper alloy powder with different components and sizes is used at the same time, a heterostructure matrix structure is formed, and the performance of the composite material is improved. The strength and plasticity of the copper-based graphite heat sink material are improved, so that the copper-based graphite heat sink material has excellent mechanical properties and thermal conductivity, and is simple in process, low in cost and suitable for the field of heat sink materials.

The invention discloses arthrobacter gandavensis N-15 with high selenium resistance and application of the arthrobacter gandavensis N-15, the arthrobacter gandavensis N-15 with high selenium resistance is preserved in the China Center for Type Culture Collection, the preservation number is CCTCC NO: M20242146, and the preservation date is October 9, 2024. The arthrobacter gandavensis N-15 has the advantages that the arthrobacter gandavensis N-15 can be used for preparing the selenium-resistant arthrobacter gandavensis N-15; the selenium resistance of the arthrobacter dabarangensis N-15 reaches 128 mmol / L, and the arthrobacter dabarangensis N-15 has stable adaptability to high selenium concentration and is convenient for biological preparation of nano-selenium. The arthrobacter dawlini N-15 can be used for reducing sodium selenite to generate nano-selenium, and the generated nano-selenium has certain ABTS free radical scavenging capacity and DPPH free radical scavenging capacity, that is, the nano-selenium has relatively good antioxidant capacity. The arthrobacter dawlini N-15 and the nano-selenium produced by the arthrobacter dawlini N-15 can be widely applied to the fields of medicine, food and agriculture.

The invention provides a 3D printing bone scaffold based on a TPMS structure, the bone scaffold is prepared by taking Ti-6Al-4V powder as a building raw material through a 3D printing mode, the bone scaffold is a TPMS G unit structure, the aperture range is 420-630 microns, the inner layer porosity is 55%, the peripheral porosity is 90%, the diameter of the scaffold is 15 mm, and the height of the scaffold is 2 mm. Moxifloxacin / rifampicin PLGA microspheres and BMP-2 are loaded in the bone scaffold and are fixed by hydrogel, so that the 3D printing anti-infection bone scaffold based on the TPMS structure is formed. The prepared 3D printing anti-infection bone scaffold highlights excellent performance in all aspects, has good capacity of resisting infection and promoting bone formation, and provides a new material and thought for treatment of infectious bone defects. In addition, the invention further discloses a preparation method and application of the stent.

The invention provides an intelligent pond ecological management method, system and device, and the method comprises the steps: collecting the multi-dimensional data of a pond in real time through sensors disposed inside and outside the pond, carrying out the data preprocessing of the multi-dimensional data of the pond, extracting a feature set of the pond, building an intelligent diagnosis system based on the feature set, and carrying out the intelligent diagnosis of the pond. Based on the intelligent diagnosis system, real-time abnormal condition diagnosis is carried out on a pond ecosystem, an abnormal diagnosis result and corresponding early warning information are generated and displayed, an ecological regulation and control strategy is generated in real time based on the abnormal diagnosis result and the early warning information, and each execution mechanism is controlled to carry out actual regulation and control actions through a distributed control network. And closed-loop ecological regulation is completed. According to the invention, by collecting the multi-dimensional data of the pond and carrying out data processing, the intelligent diagnosis system carries out abnormality diagnosis on the pond ecosystem, and finally, automatic adjustment is carried out, so that automatic management of the pond ecosystem is realized.

The invention discloses an aluminum alloy for preparing a train built-in bogie frame support and a preparation method of the aluminum alloy, and belongs to the technical field of alloys for high-speed trains. The aluminum alloy contains Zn, Mg, Cu, Zr, Ti, Mn, Y, V, Si and other elements, vanadium can form a solid solution and an intermetallic compound with magnesium and aluminum, so that lattice slippage and dislocation movement are hindered, the overall strength of the aluminum alloy is improved, and the aluminum alloy can bear larger external force while keeping light. According to the method, the aluminum alloy is manufactured through two-step superplastic die forging, defects can be prevented from being formed in the die forging process, stress concentration is reduced, and the mechanical property of the aluminum alloy is effectively guaranteed; and after two-step die forging, the alloy is uniform in plastic deformation and small and uniform in grain size, the mechanical property of the aluminum alloy is favorably improved, the aluminum alloy particularly has better fatigue property, and the aluminum alloy has better safety and reliability while light weight of the aluminum alloy is guaranteed.

The application discloses a kind of secondary sedimentation tank intelligent control systems, the secondary sedimentation tank intelligent control system includes data preparation, for the preliminary setting value of each control parameter of secondary sedimentation tank;Acquisition determination, data acquisition is carried out to control index, and compared with data preparation value, determination result;Regulation and control content, through the determination result of acquisition determination, the intelligent adjustment control of secondary sedimentation tank operation is carried out.The application further discloses a kind of secondary sedimentation tank intelligent control method.The secondary sedimentation tank intelligent control system and method greatly reduce artificial workload, reduce artificial cost, enhance the timeliness of regulation and control, improve the stability of secondary sedimentation tank operation, implement wisdom type water affair construction promotion work.

The invention relates to the technical field of photovoltaic solar cells, in particular to a trans-perovskite solar cell based on an integrated passivation strategy and a preparation method thereof, and the structure of the solar cell sequentially comprises a conductive substrate layer, a hole transport layer, a perovskite active layer, an electron transport layer and a back electrode layer from bottom to top. The perovskite active layer contains passivator molecules, and the passivator molecules are selected from any one or more of dimethyl acetone phosphonate, methyl acetoacetate, dimethyl ethyl phosphoryl acetate, methyl diethyl phosphoryl acetate and trimethyl phosphate acetate. The passivation molecules are directly introduced into the perovskite precursor solution, and the passivation molecules are finally distributed on the upper surface, the bulk phase and the lower surface of the perovskite thin film by means of a top-down growth mechanism of the perovskite light absorption layer, so that integrated passivation is realized.

The present invention relates to the technical field of pile foundation anti-scouring, and discloses a self-maintaining anti-scouring device for offshore wind power pile foundation, comprising a main body, a connecting platform fixedly connected to the top of the main body, four limit blocks fixedly connected to the outer surface of the connecting platform, four connecting plates arranged in a circular array with the connecting platform as the center, and a hollow block fixedly connected to the side of the connecting plate away from the main body. When the water flow on the seabed is relatively large, the present invention will first impact the square plate inside the connecting frame, and when the square plate encounters an impact, the wave water collides and contacts with the square plate, and part of the wave water passes through the holes on the square plate. After the water flow passes through the holes, the impact force of part of the water flow can be reduced, and the square plate squeezes the spring on the rear side after swinging, so that the spring is squeezed and contracted, and the springs and spring rods behind the multiple square plates can also play a buffering role when reciprocating, so that the scouring force of the water flow is reduced, thereby preventing the wave water from scouring and damaging the pile foundation.

The invention provides a fruit growth regulator and bacteriostatic preservative as well as a preparation method and application thereof, and belongs to the technical field of preservation, pomace is taken as a raw material, and pomace microfibrillated cellulose, pectin and seed oil containing phenolic substances are extracted through organic acid treatment, DES reagent auxiliary mechanical treatment, ethanol water treatment and other treatments; then carrying out hydroformylation modification on nano cellulose, grafting chitosan, and compounding with pectin to obtain dialdehyde microfibrillated cellulose-chitosan-pectin composite particles with pH response performance, and taking the dialdehyde microfibrillated cellulose-chitosan-pectin composite particles as a stabilizer of a Pickering emulsion; the green growth regulator solution is used as a continuous phase, the seed oil mixed Chinese herbal medicine extract is used as a dispersion phase, the controlled-release Pickering emulsion with growth regulation and bacteriostasis effects is prepared, the prepared emulsion is sprayed on berries to form a film layer, the growth process of the berries can be regulated, the fruit yield and quality are improved, and the quality of the berries is improved. And antibacterial substances can be slowly released for preservation when berries are picked and stored.

The invention discloses a transparent polyurethane hot melt adhesive and a preparation method thereof, relates to the technical field of polyurethane hot melt adhesives, and solves the problems that PET (Polyethylene Terephthalate) waste cannot be recycled in a high-valued manner and the traditional polyurethane hot melt adhesive excessively depends on petrochemical resources in the prior art. The transparent polyurethane hot melt adhesive prepared by the preparation method disclosed by the invention is prepared from the following components in parts by mass through reaction: 420 to 510 parts of waste PET (Polyethylene Terephthalate) sheets, 35 to 48 parts of sulfur-containing dihydric alcohol, 0.15 to 0.30 part of an antioxidant, 0.18 to 0.47 part of a catalyst I, 180 to 240 parts of poly (carbonate-ether) dihydric alcohol, 0.05 to 0.12 part of a catalyst II and 115 to 142 parts of diisocyanate. The transparent polyurethane hot melt adhesive has high transparency and excellent glass adhesion, high-valued recovery of PET waste can be realized, excessive dependence on petrochemical resources is reduced, and a new thought is provided for development of sustainable materials in the plastic recovery industry.

The utility model relates to the technical field of ankle positioning structures, and discloses an ankle annular external fixing frame postoperative walking assisting insole which comprises a first fixing frame body, the first fixing frame body is provided with a fixing ring fixed to an ankle part, the lower end of the ankle part is placed on the upper portion of the insole, and the lower end of the ankle part is placed on the lower portion of the insole. A second fixing frame body is installed at the upper end of the first fixing frame body through a first positioning column, and a third fixing frame body is installed at the lower end of the first fixing frame body through a second positioning column. According to the ankle annular outer fixing frame postoperative walking assisting insole, the mounting sleeve is mounted between the connecting positions of the fixing rings, the mounting sleeve drives the positions of the fixing rings to be spliced and limited, the positions of the fixing rings outside the ankle part are raised to be spliced and limited, meanwhile, the position of a mounting plate outside a sliding groove is adjusted, and a second fastening bolt is rotated; the mounting directions of the first positioning column and the mounting disc can be adjusted, so that the positioning direction of the ankle part on the inner side of the first fixing frame body can be adjusted and controlled.

The present invention provides a cassava MeChlD gene, the nucleotide sequence of which is shown in SEQ ID NO: 1. The present invention also provides a silencing fragment selected from the cassava MeGRXC3 gene and its application. The MeChlD gene is a key gene in the photosynthesis process of cassava, which can affect the synthesis of chlorophyll in cassava leaves, and then affect the net photosynthetic rate of the leaves. The MeChlD gene encodes the magnesium ion chelatase subunit D, which has a high homology with the rubber tree HbChlD and the castor RcChlD. It is up-regulated in cassava leaves and located on the chloroplasts. It can promote the growth of prokaryotic expression recombinant bacteria, and interact with MeChlM and MePrxQ to participate in photosynthesis. The gene is silenced in cassava using the gene silencing VIGS technology, which can significantly reduce the total chlorophyll content of cassava plant leaves, cause leaf chlorosis, and cause plant stunting, affecting the expression of photosynthesis-related genes and the accumulation of cassava root starch.

The invention discloses a pharmaceutical composition for improving glucose and lipid metabolism disorder by combining N-p-coumaroyl octoamine and rotundine and application of the pharmaceutical composition, and belongs to the field of biological medicine and metabolic disease treatment. In a db / db diabetic mouse model, it is found that NTPC (10 mg / kg) or ROT (10 mg / kg) single drugs can improve hyperglycemia and insulin resistance and reduce blood fat, and low-dosage combination (5 mg / kg of NTPC and 5 mg / kg of ROT) shows the most significant metabolism improvement effect which is obviously better than that of a single drug group. In an in-vitro fatty acid stimulation model, lipid accumulation in cells can be more remarkably reduced through combination of the two drugs, and fatty acid synthesis genes are inhibited.

The invention relates to an oat peptide rich in prebiotics and a preparation method thereof, and belongs to the technical field of biology, the product adopts oat peptide, prebiotics, wall-broken oat powder, white hyacinth bean powder, roxburgh rose powder and lotus seed powder as main raw materials; wherein the oat peptide is the oat peptide which is 5kDa or below and is obtained by sequentially carrying out step-by-step enzymolysis on oat protein through papain, snail protease and nattokinase; the white hyacinth bean powder is an extract obtained by performing common enzymolysis on white hyacinth beans through cellulase and pectinase and then sequentially performing step-by-step enzymolysis on the white hyacinth beans through trypsin and papain; the lotus seed powder is an extract obtained by performing common enzymolysis on peeled lotus seeds through cellulase and pectinase and then sequentially performing step-by-step enzymolysis through fig protease and papain. The product follows the functions of clearing, regulating and nourishing, all aspects are matched in a balanced mode, the digestion and absorption rate is increased, blood toxins and intestinal waste are removed, blood sugar and blood fat are reduced, immunity is improved, mood comfort is facilitated, and nerve soothing and sleep aiding are achieved; the effect is prominent, rapid and safe without side effects.

The invention relates to the technical field of agricultural plant growth regulators, and discloses a phosphate compound containing an amide group as well as a preparation method and application thereof. O-aminopyridine, different substituted benzaldehyde and isocyanide are used as initial raw materials, and ring closing and ring opening are performed to obtain the phosphate compound containing the amide group. And finally, reacting with dialkyl phosphite to obtain the phosphate ester compound containing the amide group. The phosphate ester compound containing the amide group is high in activity, high in stability, simple in synthesis route and low in cost, can serve as an ABA analogue to be combined with abscisic acid receptor (PYL3) protein, can promote plant stomata closing and regulate crop root growth, and can be used as an abscisic acid receptor (PYL3) protein. Further, the drought stress regulation capability of the plants is improved.

The utility model discloses an edible mushroom breeding device capable of supplementing illumination, and relates to the technical field of edible mushroom breeding. The edible mushroom breeding device capable of supplementing illumination comprises a fixed bottom plate, an illumination assembly and an external assembly, the top of the fixed bottom plate is fixedly connected with an illumination box, the illumination assembly is located in the illumination box, the illumination assembly comprises a rotating column, mounting plates, a breeding box, a mounting groove and an LED illuminating lamp, and three groups of mounting plates are rotationally mounted on the outer wall of the rotating column and distributed up and down; the top of the mounting plate is fixedly connected with a breeding box, and the external assembly is located on the fixed bottom plate. The light supplementing device can supplement light for edible mushroom breeding in the breeding box, can effectively make up for the deficiency of natural light, can better adjust the growth process of edible mushrooms especially in rainy days or seasons with large day and night differences, thereby improving the yield, can promote the growth of edible mushroom hyphae through the light for edible mushroom breeding, and improves the quality of edible mushrooms. The influence on the expansion of hyphae due to insufficient natural light is effectively avoided.

The multistage compressed air energy storage system comprises a salt cavern air storage chamber, the inlet end of the salt cavern air storage chamber is connected with a multistage compression device and a first heat exchanger, and the outlet end of the salt cavern air storage chamber is connected with a multistage expansion power generation device and a second heat exchange device. The heat storage liquid outlet end of the first heat exchanger is connected to the heat storage liquid inlet end of the first heat exchanger through the high-temperature tank, the second heat exchange device and the low-temperature tank; the salt cavern gas storage chamber and the high-temperature tank are respectively connected with a pressure potential energy-heat energy coupling conversion device based on a Ponghua material, and the pressure potential energy-heat energy coupling conversion device is used for releasing heat energy when the pressure is increased and absorbing the heat energy when the pressure is reduced. When the compressed air energy storage system needs to store energy across months and even seasons, excess compressed air potential energy is converted into heat energy through the pressure-heat conversion device, so that potential energy output is improved, and the efficiency and economical efficiency of the system are improved.

The utility model relates to the technical field of automobile armrest back decoration plate devices, in particular to a scratch-resistant automobile armrest back decoration plate which comprises a bottom box body, a lifter is arranged at the upper end of the bottom box body, a containing groove is formed in the inner surface of the bottom box body, and meanwhile a front end connecting opening is formed in the front end of the containing groove. An inner layer is arranged on the surface of the back side of the bottom box body, a movable column is arranged at the upper end of the inner layer, meanwhile, a baffle is arranged at the lower end of the movable column, a telescopic end is arranged at the upper end of a lifter, and a central handrail is arranged on the upper side of the telescopic end; the automobile armrest back decoration plate has the advantages that the smooth polypropylene interior decoration material is arranged on the surface of the automobile armrest back decoration plate in a circle, so that the scratch-proof effect of the armrest back decoration plate is improved, the curved base plate is arranged on the upper surface, damage to the back decoration plate is reduced, and the service life of the automobile armrest back decoration plate is prolonged. And a lifter capable of adjusting the height of the automobile armrest back decoration plate at the upper end is arranged at the bottom, so that a driver can optimally adjust and control the armrest back decoration plate.

The invention relates to the technical field of on-line monitoring of stationary pollution source pollutants, and discloses an on-line automatic detection system for atmospheric pollutants of a stationary pollution source. The system obtains a multi-source monitoring stream containing emission condition text, flue gas time sequence signals and concentration readings from a pollution source monitoring network. An emission condition text is converted into a structured knowledge graph, and a flue gas signal is decomposed into multi-scale components through segmented morphology. The system realizes the fusion of knowledge graph node features and signal components through a graph neural network, and generates a unified perception tensor. And analyzing the tensor by using a tree reasoning network of a differential decision path to form a traceability clue chain pointing to a specific abnormal source. A regulation and control instruction is automatically generated according to the chain and is directly issued to a governance facility controller, so that a closed loop from abnormal monitoring to precise control is realized, and the explainability and control timeliness of traceability are enhanced.

This invention relates to the field of perovskite solar cell technology, specifically to a high-efficiency inverted perovskite solar cell and its fabrication method. The fabrication method includes the following steps: spin-coating a self-assembled monomolecule solution onto a first region on the surface of a conductive substrate, followed by annealing to form a hole transport layer; spin-coating a perovskite precursor solution onto the surface of the hole transport layer; during spin-coating, adding a chemical passivation solution to the coated surface and annealing; spin-coating a field passivator solution onto the annealed perovskite film surface, followed by annealing to form a perovskite active layer; spin-coating a mixed solution of fullerene and fullerene derivatives onto the surface of the perovskite active layer, followed by spin-coating an organic small molecule solution to form an electron transport layer; and fabricating electrodes on the electron transport layer and a second region on the surface of the conductive substrate; the chemical passivation solution is a polymer macromolecular material solution, and the field passivator solution is a small molecule material solution. The high-efficiency inverted perovskite solar cell of this invention significantly improves photoelectric conversion efficiency.

The invention discloses an old people thermal health prediction system and prediction method, and the system comprises a parameter input module which is used for inputting personal parameters and environmental parameters, and determining a thermal environment where an individual is located; the thermal health state judgment module is used for analyzing the input parameters, predicting physiological parameters, thermal sensation and thermal comfort through a thermal regulation-cardiovascular regulation-thermal comfort coupling mechanism model, and judging the thermal health state of the individual according to the numerical value of the physiological parameters, the thermal sensation and the thermal comfort; and the thermal health state output module is used for outputting the thermal health state of the individual. By means of the system, prediction of personal physiological parameters, thermal sensation and thermal comfort in different thermal environments can be achieved, and then the thermal health states of the human body in the different thermal environments can be obtained. And then visual thermal health state prompts are provided for the old people through a visual module, so that the old people can conveniently adjust the thermal health state.

This invention belongs to the field of microbial control technology, specifically relating to a biocontrol bacterium for soybean root rot, a microbial agent, its preparation method, and its application, which can improve soybean yield and oil content. The biocontrol bacterium is *Alcaligenes faecalis* (Factophytes). Alcaligenes faecalis A new strain, named GY16, was deposited at the China Center for Type Culture Collection (CCTCC) on November 12, 2025, with accession number CCTCC M 20252536. This alkali-producing bacterium, GY16, exhibits a specific affinity for soybean, enabling it to colonize soybean roots and effectively control soybean root rot. GY16 also promotes soybean plant growth, increases soybean yield, and improves seed oil content. Inoculants prepared using GY16 can replace pesticides, offering a green, environmentally friendly, and pollution-free alternative that positively contributes to building a sustainable farmland ecosystem.

The invention relates to the technical field of equipment intelligent control, and discloses a method and device for performing intelligent temperature control on intelligent cooking equipment based on voice information, and the method comprises the steps: collecting cooking voice data outputted by user voice based on a voice pickup device corresponding to the intelligent cooking equipment; analyzing the cooking voice data to obtain a corresponding cooking voice analysis result; and executing corresponding regulation and control operation on the intelligent cooking equipment according to the cooking voice analysis result. Therefore, the comprehensiveness and rationality of the regulation and control mode of the intelligent cooking equipment based on the voice information can be improved, the regulation and control accuracy and reliability of the intelligent cooking equipment are improved, the regulation and control timeliness, efficiency and convenience of the intelligent cooking equipment are improved, the cooking accuracy and reliability of food materials are improved, and the user experience is improved. The cooking self-adaptive adjustment function of the intelligent cooking equipment based on man-machine voice interaction is realized.

The present invention discloses an antifungal compound or a pharmaceutical salt thereof having photoresponsive activity, wherein the general structural formula is selected from one of the following structures: The compound of the present invention is a photoresponsive azole compound, and the azole drug fluconazole is modified by photocaging and photo-switching, so that the antifungal activity is lost in the non-activated state, and the antifungal effect is exerted in the photoactivated state. The photocaging modification strategy can completely shield the antifungal activity of fluconazole, and release fluconazole efficiently under ultraviolet light activation, and can regulate fungal hyphae, proliferation, and in vitro and in vivo efficacy in a precise manner in time and space.

The invention discloses a low-loss non-volatile phase shifter based on a lateral heating electrode, a method and application. Comprising a substrate and a silicon flat plate, a heating electrode and a hybrid waveguide which are arranged on the substrate, the silicon flat plate is arranged on the upper surface of the substrate, the heating electrode and the hybrid waveguide are both arranged on the upper surface of the silicon flat plate, and the heating electrode and the hybrid waveguide are arranged at an interval; two ends of the hybrid waveguide are respectively used as an input end and an output end of the phase shifter; the hybrid waveguide comprises a silicon waveguide and a phase change material, the silicon waveguide and the phase change material are arranged on the silicon flat plate in the propagation direction, the phase change material is embedded in the silicon waveguide, and a heating electrode is arranged on the side face of the hybrid waveguide. The invention has the advantages of non-volatility, large phase shift range, low insertion loss, strong durability and the like, and can be widely applied to various advanced optical systems.

The present invention relates to the technical field of microwave technology, and relates to a switching system based on signal low frequency, which also includes a code modulation component for code element rate correction arranged at intervals in the channel, and the code modulation component includes a primary correction unit for transmission rate adjustment, a secondary correction unit and a tertiary correction unit for code element number adaptive adjustment. The code modulation component can effectively improve the regulation of the code element number, and can timely adjust the code element rate, etc., thereby ensuring the frequency of the signal and ultimately reducing the distortion probability of the signal.

The invention discloses a method for preparing a slow-release fertilizer based on an organic nitrification inhibitor, a prepared slow-release nitrogen fertilizer and application, and the method comprises the following steps: drying trimmed tea tree branches and leaves, crushing, sieving with a 10-mesh sieve, adding 85-95% ethanol to extract tea polyphenol, extracting for 24-48 hours, carrying out plate-frame pressure filtration solid-liquid separation, volatilizing ethanol in an extracting solution at a high temperature to obtain tea polyphenol, and drying to obtain the slow-release nitrogen fertilizer based on the organic nitrification inhibitor. Tea polyphenol and urea are mixed according to the ratio of 1: 200-1000 and then extruded and granulated, extracted residues are extruded and granulated, and the granulated residues and the prepared urea are mixed according to the ratio of 5-10: 1 to form the organic and inorganic slow-release nitrogen fertilizer with the nitrification inhibitor function. By adopting the method, the function of the tea polyphenol in the tea tree branches and leaves for inhibiting nitrification can be effectively exerted, the utilization efficiency of urea is improved, the environmental risk is reduced, and agricultural wastes are comprehensively utilized; the decomposition speed of tea tree branch and leaf residues obtained after tea polyphenol extraction is high, the soil environment can be effectively improved, and plant growth can be adjusted.