147results about How to "Increase loss" patented technology

The invention relates to a low-loss corner-lifting and movement tearing cooperative type film tearing process of a screen display glass protective film. The process comprises the following steps: S1, tearing a film on an A surface; s2, transferring the screen display glass; and S3, tearing the film on the surface B. On one hand, in single-face film tearing, based on cooperation of the film tearing clamping jaw, the rolling wheel and the air nozzle, angle lifting is completed while the film tearing angle adhesive force is kept larger than the protective film tearing force, the damage and fracture rate of an adhesive tape and a corner is reduced, the high angle lifting success rate is achieved, meanwhile, through movement cooperation of the screen display glass and the film tearing clamping jaw, the film tearing difficulty is low, control is easy, and the film tearing efficiency is improved. The integrity and continuity of film tearing are high; on the other hand, overturning of the screen display glass is not needed in double-sided film tearing, transferring of the screen display glass is achieved in the protective film tearing process, the accidental friction rate in the glass overturning process is reduced, the structure is optimized, the layout space is greatly reduced, the equipment is miniaturized, and the double-sided film tearing efficiency of the equipment for treating the screen display glass is also improved.

The invention provides a polyvinylidene fluoride-based nanofiber yarn wave-absorbing fabric as well as a preparation method and application thereof, and belongs to the technical field of preparation of wave-absorbing composite materials. The preparation method comprises the following steps: preparing nanofiber yarns or nanofiber core-spun yarns by adopting a conjugate electrostatic spinning technology, directly adding a conductive substance into a spinning solution to form conductive nanofibers, and further coating the nanofiber yarns or the nanofiber core-spun yarns with a PDA shell layer to improve the wear resistance and reduce silver nanoparticles in situ; finally, the yarns are woven into fabric through a weaving or knitting technology, and the fabric is applied to the fields of buildings, electromagnetic protective clothing, flexible electronics and the like. Compared with an existing microwave absorbing material, the fabric-based material is light in weight and good in mechanical flexibility and processability. Fabrics formed of nanofiber yarns or nanofiber core spun yarns facilitate the induction of interfacial polarization and multiple reflections, and can deeply design material properties. The material provided by the invention has better wear resistance, wearability and microwave absorption performance, and is suitable for actual production and application.

The invention discloses a new energy automobile charging management system, and aims to improve the charging efficiency, prolong the service life of a battery and improve the user experience. The system comprises a battery monitoring module, a charging mode management module, an intelligent scheduling module, a remote control module, a safety protection module, a big data analysis module and a billing management module. The battery monitoring module collects data such as battery voltage, current and temperature in real time; the charging mode management module dynamically selects a fast, standard or slow charging mode according to the battery state and the user demand; the intelligent scheduling module optimizes a multi-vehicle charging sequence to realize reasonable resource allocation; the safety protection module provides overvoltage, overcurrent and temperature protection to ensure charging safety; the remote control module enables a user to monitor and adjust the charging state in real time. According to the invention, through intelligent charging management, resource configuration optimization, charging efficiency improvement, safety risk reduction in the charging process and battery life prolonging, convenient charging experience is provided for users.

The invention discloses a preparation method of a metalized vertical glass through hole. The preparation method comprises the following steps: modifying a target area of a glass substrate by adopting a laser irradiation method to form a denatured area; forming a first metal layer on the glass substrate in a sputtering manner; ablating the first metal layer corresponding to the denatured region by adopting an ultraviolet radiation method so as to expose the denatured region; etching the denaturation region by using a corrosive liquid to form a first blind hole; cleaning and drying the glass substrate; forming a second metal layer on the glass substrate in a sputtering manner; ablating the second metal layer at the bottom of the first blind hole by adopting an ultraviolet radiation method; etching the first blind hole by using a corrosive liquid to form a second blind hole; cleaning and drying the glass substrate; and repeating the steps (6)-(9) to obtain the metalized vertical glass through hole. According to the preparation method, the glass through hole with high depth-diameter ratio and good perpendicularity can be prepared, and meanwhile, the metal layer can be stably and uniformly attached to the inner wall of the glass through hole.

The invention relates to the technical field of battery heat dissipation devices, and discloses a battery heat dissipation method, a battery heat dissipation device and a battery pack, the battery heat dissipation device comprises a shell, a sealing cover is arranged on the inner wall of the shell, and a water cooling plate is fixedly assembled at the top of the sealing cover. By means of the shell, the sealing cover, the water cooling plate and the fan structure, in the operation process of the device, when the temperature of the body rises rapidly due to rapid rising, air pressure can be increased through the internal temperature, a piston is pushed to move, a second reset spring is compressed, and the space where one body is located is communicated with the space where the other body is located; meanwhile, a water cooling plate is controlled to operate through a controller, energy loss caused by continuous operation of water cooling in the normal operation state of the body is prevented from being increased, a movable plate is pushed to conduct bump detection operation on the body in cooperation with movement of a piston, and then the operation temperature of the body is accurately monitored, and the bump condition of the body is detected; therefore, a user can maintain the device and the body in time.

The invention provides a multi-element graded composite hollow microsphere wave-absorbing agent as well as a preparation method and application thereof. The multi-element graded composite hollow microsphere is composed of a hollow core and a composite spherical shell, wherein the hollow inner core is an air cavity, and the composite spherical shell is composed of porous amorphous carbon serving as a continuous phase and carbon nanohorn and magnetic metal composite particles serving as a dispersed phase. According to the scheme, the hollow core of the multi-element graded composite hollow microsphere is the air cavity, the density is low, and electromagnetic waves can be induced to enter the hollow cavity for multi-reflection; the composite spherical shell is composed of porous amorphous carbon serving as a continuous phase and carbon nanohorn-magnetic metal composite particles serving as a dispersed phase, tiny pores in the amorphous carbon can provide more interface polarization, and meanwhile, the amorphous carbon and the carbon nanohorn-magnetic metal composite particles can form a multi-element heterogeneous interface on the surface of the composite spherical shell; through a multi-interface effect and a multi-loss mechanism among the carbon nanohorn, the magnetic metal and the amorphous carbon, the electromagnetic wave loss is effectively enhanced and increased, and the electromagnetic wave absorption capability is enhanced.

The invention relates to the field of functional food processing, and discloses a qi-tonifying and blood-activating dietary therapy formula based on the theory of qi and blood in traditional Chinese medicine, which comprises astragalus membranaceus, angelica sinensis, red dates, lycium barbarum, lycium ruthenicum, ginseng, salvia miltiorrhiza, mulberry, lucid ganoderma, cordyceps mycelium, rhodiola rosea, American ginseng, acanthopanax, grape seed extract and chrysanthemum. Through a compound formula based on the theory of qi and blood in traditional Chinese medicine, and by combining various core medicinal materials and functional plants such as the astragalus membranaceus, the angelica sinensis, the ginseng, the lucid ganoderma, the rhodiola rosea and the fructus lycii, the multi-level effects of tonifying qi, enriching blood, activating blood, resisting oxidation and regulating immunity are achieved. The technical effects of comprehensively regulating qi and blood and improving body immunity and resistance are achieved through the synergistic effect of the compound components, compared with a scheme of regulating qi and blood by depending on a single component in the prior art, the compound formula remarkably improves the overall drug effect, solves the problems that a single component is limited in regulating function and insufficient in curative effect, and is suitable for popularization and application. Therefore, the requirements of modern people on comprehensive conditioning and immunity enhancement are met.

The invention discloses a voiceprint recognition system attack resisting method and device, equipment and a medium, by constructing a shadow voice sample set and a substitution model, dependence on target speaker data and query capability is reduced, and privacy risk and query overhead are reduced; meanwhile, two types of substitution models are trained based on an information theory method, so that the mobility and stability of the models are improved, and the generalization ability is enhanced; besides, the attacker model adopts a specific architecture and combines an alternate training strategy, so that attack loss and prediction probability difference are optimized, imperceptibility and attack effectiveness are balanced, and tone quality reduction or attack failure is avoided; and finally, through systematic training and optimization, a more uniform evaluation caliber is expected to be provided, and more reliable guidance is provided for engineering landing and risk evaluation.

The invention relates to the technical field of wave-absorbing metamaterials, in particular to a lattice element sequential wave-absorbing metamaterial and a preparation method thereof.The wave-absorbing metamaterial comprises a substrate and a lattice structure layer, and the lattice structure layer is formed by arranging a plurality of structure units on the surface of the substrate in a periodic array mode; each structural unit is formed by arranging a plurality of dot matrix elements; the dot matrix elements are sheet-shaped magnetic dot matrix elements. The wave absorbing crest of the dot matrix superstructure moves towards high frequency, and RLlt; and the effective absorption bandwidth of-10dB is improved. The wave-absorbing strength and bandwidth are improved, and the problem that an existing homogeneous wave-absorbing coating is difficult to have the characteristics of small thickness and light weight while the bandwidth is improved is solved.

The invention discloses an intrinsically safe mining explosion-proof electric control box, and relates to the technical field of electric control boxes, in particular to an intrinsically safe mining explosion-proof electric control box which comprises a box body, a sealing door is movably connected to the rear portion of the box body, sealing rubber strips are adhered to the inner edges and corners of the box body, sealing blocks are fixedly installed on the left side and the right side of the box body, and the sealing rubber strips are arranged on the sealing blocks. The upper portion, the lower portion, the front side and the rear side of the sealing block are fixedly sleeved with sealing sleeves correspondingly, guide blocks are fixedly sleeved with the sealing sleeves, and a middle sealing block is movably supported in the sealing door. According to the intrinsically safe mining explosion-proof electric cabinet, through arrangement of a current limiting sleeve, a pressure limiting and current limiting structure in the current limiting sleeve, cooperation of a middle sealing block, an inner side sealing block and an inner side one-way pipeline of an outer side sealing block, and arrangement of a sealing rubber strip, the intrinsically safe mining explosion-proof electric cabinet can be sealed after the box body is plugged in the use process; the oxygen content in the inner cavity of the box body is reduced in an auxiliary mode, inert gas is used for filling, fire explosion can be effectively avoided, and intrinsic safety is achieved.

The invention relates to the technical field of semiconductors, in particular to a multiplexing-based optical computing chip and a design method thereof.The multiplexing-based optical computing chip comprises a computing area formed by crossing a first waveguide and a second waveguide, and the computing area comprises a branch waveguide connected with the first waveguide and the second waveguide, a beam splitting part, an intensity modulation part and a first signal conversion part are sequentially arranged on the branch waveguide, the beam splitting part is used for splitting optical signals in a specific proportion, the intensity modulation part is used for modulating the signal intensity of the optical signals into a specific value, and the first signal conversion part is used for setting or maintaining the optical signals in a specific mode; the specific mode means that the optical signal has a specific polarization direction and / or a specific order; the second waveguide is provided with a calculation unit for calculating the sum of the optical powers of the plurality of optical signals. According to the multiplexing scheme provided by the invention, the data processing amount of the optical computing chip can be improved.

The invention relates to a high-entropy oxide wave-absorbing ceramic powder material as well as a preparation method and application thereof, belongs to the technical field of electromagnetic wave absorbing materials, and solves the problems of poor high-temperature resistance and oxidation resistance and low absorption efficiency on low-frequency wave bands of an existing electromagnetic wave absorbing material. The high-entropy oxide ceramic material has a perovskite structure, the molecular structure is ABO3, A comprises La and Sr, and B is at least five elements of Cr, Ni, Mn, Fe, Co, Zr, Hf and Ti. According to the invention, the high-entropy oxide is combined with the perovskite structure, the electromagnetic function of the high-entropy oxide ceramic material is accurately regulated and controlled, and effective absorption of low-frequency electromagnetic waves is realized; the material has oxidation resistance and thermal stability under a high-temperature condition, and excellent electromagnetic function strength of the material at a high temperature is maintained. According to the high-entropy oxide ceramic powder material, the range of an electromagnetic wave absorbing material is widened, the environmental adaptability is improved, and higher requirements of development of a communication technology on the electromagnetic wave absorbing material are met.

The invention discloses a morphology-controllable Ti3C2T x MXene / Co / C composite material, preparation method and application thereof, the present invention prepares Ti3C2T by hydrothermal carbonization method x MXene / Co / C absorbing material. Different amounts of NH3·H2O are added to the precursor mixed solution to adjust the pH of the solution, change the surface energy of different crystal faces, change the growth mode of the crystal to a certain extent, and calcine to synthesize single-substance Co magnetic nanomaterials of different dimensions. The present invention breaks the limitations of traditional preparation methods. In the prepared absorbing material, the dosage of NH3·H2O in the precursor mixed solution can adjust the reaction speed of the pH value of the reaction system, thereby changing the growth rate of different crystal faces, and finally synthesizing single-substance Co particles of different morphologies. Among them, the block structure, the cut-angle columnar structure, and the nanorod structure have a larger surface area, which increases the reflection and scattering of the incident electromagnetic wave, effectively prolongs the propagation path of the electromagnetic wave, and brings more interface charge polarization, thereby improving the loss performance of the electromagnetic wave.

The invention discloses a high-toughness carbon-glass super-hybrid composite material as well as a preparation method and application thereof. Carbon fiber broadened filaments and glass fiber broadened filaments prepared by ultrathin carbon fiber spreading equipment are subjected to super-hybrid doubling, and the carbon-glass super-hybrid composite material with better reinforcing and toughening effects is prepared through a vacuum-assisted resin transfer molding process. An existing mixing method is improved, the problems that an interlayer mixing method is poor in mixing designability, low in fiber mixing degree, poor in toughening effect and the like are solved, the prepared carbon-glass super-mixed composite material has better reinforcing and toughening effects, and under the same carbon-glass volume ratio, the carbon-glass super-mixed composite material has the better reinforcing and toughening effects. The carbon-glass super-hybrid composite material is higher in tensile modulus, elongation at break and loss factor, and a drop hammer impact test shows that the carbon-glass super-hybrid composite material has the characteristics of larger energy absorption, small damage area and the like. In conclusion, the carbon-glass super-hybrid composite material shows better reinforcing and toughening effects, the mechanical property of the composite material is improved, and the carbon-glass super-hybrid composite material is better than an interlayer hybrid composite material on the whole.

The invention relates to the technical field of conveying devices, in particular to a power and free roller conveying device which comprises a conveying frame, one side of the inner wall of the conveying frame is fixedly connected with a motor, the output end of the motor is fixedly connected with a driving wheel, and the two sides of the inner wall of the conveying frame are rotationally connected with synchronous shafts in a penetrating mode; the outer walls of the two ends of the synchronous shaft are fixedly connected with conveying mechanisms. The conveying device has the beneficial effects that the state that the conveying wheel continues to move along with the connecting sleeve can be stopped by limiting the first limiting rod through the second limiting rod, the situation that when the placing plate stops, the conveying wheel continues to move along with the connecting sleeve to generate friction on the placing plate is avoided, and the friction not only can abrade the surface of the placing plate, but also can accelerate loss of the conveying wheel; and correspondingly, when the placing plate stops moving, the conveying wheel stops moving along with the placing plate, so that the friction between conveyed objects and the conveying wheel is reduced, it is guaranteed that powder and scraps do not fall off from products, and the completeness and quality of the products are improved.

A self-balancing illumination module is used for generating illumination light distribution and comprises a supporting base, a motor, a radiator, a PCB, a light source, an optical piece, a shading support, a first support and a lens, one end of the motor is fastened to the supporting base, the self-balancing illumination module further comprises a light type baffle and a baffle support, the light type baffle is located between the baffle support and the lens, and the light type baffle is located between the first support and the lens. The light type baffle is hinged to or fixedly connected with one end of the baffle support, and the other end of the baffle support is fixedly connected with an output shaft of the motor, so that the light type baffle rotates around the central optical axis of the lens, and illumination light distribution is changed. According to the scheme, the light type baffle needing to be driven is light in weight, so that a smaller driving source can be used. In addition, the light type baffle is a small part, so that the light type baffle does not shake greatly in the movement process, the operation of changing the light distribution direction can be conducted very stably, and the light distribution direction can be changed.

The invention provides a hollow-core-to-hollow or solid-core-to-hollow optical fiber connection jumper wire and a preparation method thereof. The jumper wire comprises a transmission fiber and connectors connected to the two ends of the transmission fiber. The transmission fiber is a hollow-core optical fiber, the connector comprises an optical fiber fixing device and an integrated welding structure fixed in the optical fiber fixing device, the integrated welding structure comprises a transmission fiber, a coating film and a transition fiber which are fixedly connected in sequence, the coating film performs anti-reflection on a set wavelength, the transition fiber is a solid-core optical fiber, and the outer side end of the transition fiber serves as the output end of the connector; and the output ends of different connectors are oppositely arranged so as to realize transmission connection between different jumpers. Pluggable, stable and reliable connection between the hollow-core optical fibers or between the hollow-core optical fibers and the solid-core optical fibers is achieved.

Embodiments of the present disclosure disclose a distributed resource scheduling method, device, equipment and computer readable medium. A specific implementation of the method comprises: in response to receiving resource scheduling application information, obtaining multi-modal application correlation information; searching for differentiated resource matching information to obtain target resource matching information; performing structural analysis on the multi-modal application correlation information to obtain structured application data; performing multi-category anomaly identification processing on the structured application data to obtain anomaly identification data; performing differentiated resource condition matching processing on the anomaly identification data to obtain matching condition information; obtaining hardware state parameters; determining a target resource scheduling device; performing hierarchical collaborative resource scheduling processing on the anomaly identification data and the matching condition information to generate resource scheduling information and control the target resource scheduling device to perform a scheduling operation corresponding to the resource scheduling information. This implementation reduces resource waste and execution failure of resource scheduling.

The application discloses a single-phase full-bridge power module, comprising a substrate, a base island located on a first surface of the substrate, the base island comprising a first base island, a second base island and a third base island, a first power device, a second power device, a third power device and a fourth power device, the first power device and the second power device forming a first half-bridge unit, the third power device and the fourth power device forming a second half-bridge unit, the first half-bridge unit and the second half-bridge unit forming a single-phase full-bridge unit, the first power device and the third power device being located on the first base island, the second power device being located on the second base island, the fourth power device being located on the third base island, and the first base island semi-enclosing the second base island and the third base island. The single-phase full-bridge power module provided by the application adopts a reasonable layout to package power devices, reduces parasitic parameters, and improves the dynamic performance and loss of a circuit.

The present application relates to a kind of damping mechanism and grinding polishing machine tool, damping mechanism includes fixed seat, connecting disc and at least two piston cylinders, piston cylinder includes piston rod, fixed seat is used to connect, at least two piston cylinders are arranged in pairs on connecting disc, closed fluid circuit is arranged between each pair of piston cylinders, fixed seat is movably connected with connecting disc by piston cylinder, piston cylinder is arranged to damp the movement of fixed seat.Grounding, grinding disc will be lifted by the part of workpiece thickness, will produce floating and drive fixed seat floating in rotation process, piston cylinder is provided with throttle orifice at the connection of the side of fluid circuit away from fixed seat, due to the throttle effect of small hole, pressure difference can be generated on both sides of throttle orifice, and then pressure difference is generated between each pair of piston cylinders, so that the part of workpiece thickness bears larger pressure from grinding disc.Each two piston cylinders are arranged in pairs on connecting disc, and pressure is applied to each part of workpiece, so as to improve grinding efficiency.

The application belongs to the technical field of tunnel soil body reinforcement, and particularly discloses a device and method for reinforcing soil body of a tunnel starting well portal by injecting microbial slurry, which comprises a storage component, a transmission component and an injection component, the storage component comprises two constant-temperature boxes, and the two constant-temperature boxes are respectively used for placing bacterial liquid and cementing liquid; the transmission component comprises a multi-connection micro high-pressure pump, and two independent liquid channels are arranged in the pump; the injection component comprises a grouting guide pipe and a rotating grouting head, the grouting guide pipe comprises two hollow semi-cylindrical pipes, and the longitudinal straight faces of the two hollow semi-cylindrical pipes are attached together to form a cylinder with two independent longitudinal cavities; the two independent longitudinal cavities are respectively connected with the two constant-temperature boxes through different liquid channels; a plurality of spray holes are longitudinally and uniformly arranged on the arc faces of the hollow semi-cylindrical pipes; and the rotating grouting head is used for driving the grouting guide pipe to rotate. The application can reduce the internal loose problem of the soil body reinforced by the microorganism, and improve the reinforcement effect of the soil body of the tunnel starting well portal.

This invention discloses a coatable, moldable dual-functional coating material for heat protection and stealth, and its preparation method. The coating material is formed from a SiC-based composite ceramic aerogel slurry, a perovskite / MAX phase composite ceramic absorber, and a high-temperature resistant binder. The composite ceramic aerogel slurry is composed of SiC micro / nano-scale aerogel powder, SiC nanowires, and a high-temperature resistant binder; the perovskite ceramic absorber is lanthanum strontium manganese oxide (La). 1‑x Sr x MnO3), lanthanum strontium iron oxide (La) 1‑ x Sr x FeO3), lanthanum strontium cobalt oxide (La) 1‑x Sr x The MAX phase ceramic absorber is Ti3SiC2, and it contains substances such as CoO3. The technology of this invention enables the rapid application of coating materials to the surface of equipment via brushing, enhancing high-temperature radar absorption stealth and thermal protection capabilities, and facilitating the preparation and efficient repair of high-temperature stealth coatings.

The invention discloses a sulfur-free FR-4 copper-clad plate and a preparation method thereof, and belongs to the technical field of copper-clad plates. The copper-clad plate is prepared from sulfur-free epoxy resin, a sulfur-free curing agent, a sulfur-free flame retardant, organic silicon hybrid macromolecules, tetrafunctional epoxy resin, linear phenolic resin, microencapsulated ammonium polyphosphate, melamine cyanurate, surface grafting modified boehmite nanorods and filler. Through the design of a sulfur-free system, the sulfur content of the product is lower than 50 ppm, and the problems of contact resistance increase, unstable signal transmission and the like caused by sulfide migration of a traditional FR-4 copper-clad plate in a high-temperature and high-humidity environment are thoroughly solved. Meanwhile, the organic silicon hybrid macromolecules and the high-functionality epoxy resin have a synergistic effect, so that the balance of high glass transition temperature and high toughness is realized. The copper-clad plate has excellent dielectric property, flame retardant property and long-term reliability, and meets the development requirements of high reliability and high performance of electronic products.

This invention relates to the field of inverter technology, and particularly to a heterogeneous power device hybrid inverter and its space vector modulation method. The heterogeneous power device hybrid inverter provided in this invention includes a first constant current source, a second constant current source, a main power inverter module, a secondary power inverter module, and a capacitive reactance module. The first constant current source is connected to the main power inverter module to provide current to the main power inverter module. The main power inverter module includes multiple silicon-based insulated-gate bipolar transistors (SBMTs) as main switching transistors, and the main power inverter module is connected to the capacitive reactance module. The second constant current source is connected to the secondary power inverter module to provide current to the secondary power inverter module. The secondary power inverter module includes multiple silicon carbide-based metal-oxide-semiconductor field-effect transistors (MOSFETs) as secondary switching transistors, and the secondary power inverter module is connected to the capacitive reactance module. The heterogeneous power device hybrid inverter and its space vector modulation method provided by this invention can balance high inverter frequency and low switching losses.

The application aims to provide a biaxial anisotropic material dielectric constant temperature variation test system and method, and belongs to the technical field of microwave and millimeter wave test. The system innovatively designs a free space terminal short circuit test system, realizes the acquisition of S21 parameters of microwave materials under high temperature through symmetrically arranging two antennas, and inversely obtains electromagnetic parameters based on the S21 parameters. Meanwhile, the test system can rotate the sample and rotate the antenna by 90 degrees, so as to realize the extraction of electromagnetic parameters of isotropic materials and biaxial anisotropic materials under high temperature in a wide frequency band, and has the advantages of large test range, simple detection mode, high measurement precision and the like.

This invention provides a new energy core based on wide-width amorphous alloy strip and its preparation method, comprising the following steps: winding the amorphous alloy strip based on a tension-wound diameter linear decreasing function to form a single-frame core; splicing multiple single-frame cores along the magnetic circuit direction to form a core body; and annealing the obtained core body under a protective atmosphere to obtain a new energy core. This invention solves the key technical problems of winding, splicing, and annealing of wide-width amorphous alloy strip in the preparation of high-power new energy cores, and realizes the preparation of large-size amorphous alloy cores with low loss, high saturation magnetic induction intensity, and high structural stability.

The invention provides a high-speed VCSEL chip and a manufacturing method, and belongs to the technical field of semiconductors, the high-speed VCSEL chip comprises a GaAs substrate, and the GaAs substrate is sequentially provided with an n-DBR, a quantum well active region, a p-DBR, a p-In < 0.49 > Ga < 0.51 > P inner cavity contact layer and a u-DBR; according to the invention, the number of pairs of series connection of the p-DBR is reduced, and the series resistance of the chip is reduced, so that the resistance of the chip is still kept at a reasonable level when the chip with a small oxidation aperture is manufactured, and the reliability and the high-temperature performance of the chip are better; the band gap width of the p-In0. 49Ga0. 51P inner cavity contact layer is 1.88 eV which is much larger than 1.42 V of GaAs, and the negative effect of light absorption in the 850 nm wave band is removed. A u-DBR table top is reserved at a light outlet, so that a large threshold gain difference exists between a fundamental mode and a high-order mode. In addition, the thick p-In0. 49Ga0. 51P inner cavity contact layer still has certain light field intensity, so that the loss of a high-order mode is further increased, the chip can stably work in a fundamental mode, and the modulation bandwidth is greatly increased.

The application discloses a kind of based on multi-scale noise and the causality decoupling method and device of confrontation supervision, the method includes: by simulating the causal relationship of variable in causal graph to generate observation image data, and according to observation image data and its corresponding causal label information and causal graph, training set and test set are constructed;Causal decoupling model is constructed, and is trained under multi-scale noise using training set in confrontation supervision;Using test set and the causal graph matrix after training, using the trained observation data coding module and observation data decoding module obtains counterfactual intervention data.The present application fully combines self-encoder with causal acyclic constraint, discriminant module is trained under multi-scale noise, high-quality confrontation supervision is carried out, so as to improve the representation learning ability of model, enhance the representation understanding of model to data with causal relationship, improve the accuracy of implicit causal network prediction, improve the accuracy of causal decoupling.

The application provides a net forming method of Ti / Ti laminated material, comprising the following steps: step S1, uniformly mixing flaky graphite powder and titanium alloy raw materials of different sizes, then smelting to obtain an ingot, forging and rolling the ingot into a rod, and then using a plasma rotating electrode atomization method to prepare the rod into TiC composite (alpha+beta) titanium alloy powder; step S2, drying industrial pure titanium, TiC composite (alpha+beta) titanium alloy and (alpha+beta) titanium alloy powder, preheating a substrate, and under an argon protective atmosphere, sequentially laser melting and depositing the industrial pure titanium layer, the TiC composite (alpha+beta) titanium alloy layer, the (alpha+beta) titanium alloy layer and the TiC composite (alpha+beta) titanium alloy layer on the substrate from bottom to top; step S3, repeating step S2 at least four times to obtain a formed piece, and annealing to obtain a laminated material. Through the construction of the industrial pure titanium / TiC composite (alpha+beta) titanium alloy / (alpha+beta) titanium alloy laminated structure, the final Ti / Ti laminated material has medium-high strength and high impact toughness.