82results 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 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 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 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.

The application relates to the field of water treatment and environmental protection technology. The application provides a water body micro-plastic degradation device and method, the device comprises a water body container, a micro-plastic unit arranged on a side wall surface of the water body container, a laser unit arranged on one side of the water body container, a monitoring unit, a general control unit and a valve control unit. The application effectively reduces the laser energy required for degrading the water body micro-plastics in the water body to be treated, effectively improves the reaction speed, realizes effective direct degradation, does not cause secondary pollution, and solves the problems of low efficiency in treating large-size particles and incomplete treatment of small-size particles by using a single energy source.

The invention discloses a transformer capable of reducing loss, and relates to the technical field of transformers, the transformer comprises a shell and an adjusting assembly, a guide plate is arranged at the upper part in the shell, a housing is arranged in the middle of the guide plate, the adjusting assembly is arranged at the inner side of the housing, the adjusting assembly comprises a shaft rod, and the shaft rod is arranged at the inner side of the housing; an adjusting cavity is formed in the lower portion of the shaft rod. When the device is used, the device can be automatically adjusted according to the temperature change in the transformer, so that when the temperature rises, the circulating flowing speed of oil liquid is increased, heat dissipation is accelerated, the heat dissipation efficiency of the device is positively correlated to be matched with the temperature change of the device, it is guaranteed that the device can dissipate heat in time, and the service life of the device is prolonged. According to the device, the temperature of the oil liquid is increased, additional loss increase caused by too high temperature is avoided, oil sludge mingled in the oil liquid can be separated and removed when the oil liquid is circulated, and the situation that the oil sludge adheres to the device, the heat dissipation performance of the device is reduced or the additional loss of the device is increased is avoided.

The invention discloses a Ga2O3 diode adopting an inclined field plate and a NiO heterojunction and a preparation method of the Ga2O3 diode, and the diode sequentially comprises a cathode ohmic contact electrode, an n-type Ga2O3 substrate, an n-type Ga2O3 epitaxial layer, a composite dielectric layer, and an anode ohmic contact electrode located on a p-type oxide layer and a part of the surface of the inclined field plate from bottom to top, the composite dielectric layer comprises a p-type oxide layer and an inclined field plate, the orthographic projection of the inclined field plate surrounds the orthographic projection of the p-type oxide layer in the direction perpendicular to the plane where the n-type Ga2O3 substrate is located, the cross section of the p-type oxide layer is in an inverted trapezoid shape, and the side wall of the junction of the inclined field plate and the p-type oxide layer has an inclined angle. According to the invention, surface leakage current is inhibited by using a depletion region of a pn junction formed by the P-type oxide layer and the n-type Ga2O3 epitaxial layer, and an edge electric field of the anode ohmic contact electrode is dispersed by using the inclined field plate, so that dual homogenization of a bulk electric field and a surface electric field is realized.

The application discloses a dielectric waveguide resonator and a multimode dielectric waveguide resonator, which comprises a dielectric resonant cavity, the dielectric resonant cavity comprises a dielectric body and a metal plating layer wrapping an outer surface of the dielectric body; a metal loading interface is arranged in the dielectric body and is connected with the metal plating layer; the metal loading interface intersects with an intrinsic electric field direction of the dielectric resonant cavity to reduce a main mode frequency of the dielectric resonant cavity. Embodiments of the application provide a dielectric waveguide resonator and a multimode dielectric waveguide resonator, by adding a metal loading interface in a dielectric body of a dielectric waveguide resonator, the size, frequency and unloaded Q value of the dielectric waveguide resonator are kept unchanged, high-order mode harmonics are pushed away, the performance of a low-pass filter is improved, and loss is improved.

The utility model discloses a turbine rotor blade, a turbine rotor and an engine turbine, which belong to the technical field of turbine engines and are used for solving the problem of insufficient connecting strength of an extension root and a tenon caused by overweight of the turbine blade. The turbine rotor blade provided by the utility model comprises a cavity, one end, positioned at the blade tip, of the cavity is provided with an opening, and the other end of the cavity is closed; the cavity sequentially comprises a first cavity section, a second cavity section, a third cavity section and a fourth cavity section in the radial direction of the blade. The first cavity section and the second cavity section are formed in the center of the interior of the tenon; the third cavity section and the fourth cavity section are respectively arranged in the extension root and the blade body and are respectively matched with the extension root and the blade body in appearance; the chordwise width of the first cavity section and the second cavity section along the blade is smaller than the chordwise width of the third cavity section along the blade. According to the turbine rotor blade, the strength and the rigidity of the blade are effectively considered, and the overall performance of an engine turbine is improved.

The invention provides a preparation method of gemcitabine hydrochloride, and belongs to the technical field of medicine synthesis. The preparation method of gemcitabine hydrochloride comprises the following steps: firstly, carrying out condensation reaction on a compound in a formula I and protected cytosine II to obtain a gemcitabine hydrochloride compound III; the method comprises the following steps: synthesizing a gemcitabine hydrochloride compound III (alpha / beta configuration mixture), splitting the synthesized gemcitabine hydrochloride compound III (alpha / beta configuration mixture), and carrying out configuration conversion on a key compound III (alpha / beta configuration mixture) in a splitting mother solution by adopting a continuous flow technology to realize recovery of an alpha configuration product, so that the purity and yield of the gemcitabine hydrochloride compound III beta are improved, and the method is suitable for industrial production. And thus, high-quality gemcitabine hydrochloride is obtained. The purity of the key compound is improved through resolution and configuration transformation, and the purity reaches 99.2% after resolution. The gemcitabine hydrochloride is prepared from the high-purity key compound III, so that the product purity is high; the product loss is reduced, and the product yield is improved.

The application discloses a kind of whole process state analysis methods of grounding resistor, comprising the following steps: S1.grounding resistor state acquisition device collects the real-time running condition data of grounding resistor, and the real-time running condition data is transmitted to embedded processor;S2.embedded processor stores and processes the real-time running condition data of grounding resistor, and the real-time running condition data of grounding resistor is uploaded to station end server;S3.cloud server carries out offline analysis and test to the state of grounding resistor, obtains the state transition data of grounding resistor, and updates offline database;S4.according to the real-time running condition data of grounding resistor and state transition data, the state of grounding resistor is analyzed in real time by station end server, and real-time database is updated.Temperature evaluation is used for early warning of abnormal state, resistance value evaluation is used to determine whether the current state of resistor is stable, energy loss is used to determine the service life of resistor, to improve the safe and stable operation of distribution network.

This invention discloses a hydraulic motor mount device for electric vehicles, relating to the field of hydraulic mount technology. It aims to solve the technical problem that traditional hydraulic mounts cannot adaptively match the complex vibration conditions of electric vehicles. The device includes a mount housing, a vibration isolation assembly, a damping assembly, a base diaphragm, and a vertical shaft assembly. The damping assembly includes an outer ring fixed to the middle of the mount housing. A ring body is movably disposed within the outer ring. A threaded half-groove A is formed on the inner surface of the outer ring, and a threaded half-groove B is formed on the outer surface of the ring body. Threaded half-groove A and threaded half-groove B form a damping flow channel. This invention, by designing a structure comprising a relatively movable outer ring and a ring body, with mating threaded half-groove A and threaded half-groove B on their opposing surfaces to form a damping flow channel, allows the geometry of the damping flow channel to adaptively change simply by moving the ring body along the threaded path. This solves the technical problem that traditional hydraulic mounts, due to their fixed damping channels, cannot adaptively optimize broadband vibration isolation performance.

The application discloses a semiconductor-dielectric-conductor type attenuation porcelain and a preparation method thereof, and relates to the technical field of electromagnetic wave absorption and attenuation materials. The attenuation porcelain is composed of a semiconductor phase, a dielectric phase, a conductor phase, a sintering aid and a binder; the conductor phase has a core-shell structure of a nickel-cobalt-cerium alloy solid solution inner core, a nitrogen-doped amorphous carbon intermediate layer and a silicon dioxide shell, and cerium atoms are doped in the nickel-cobalt alloy solid solution lattice in the form of lattice distortion. The preparation method comprises the following steps: preparation of a precursor solution, limited silicon dioxide coating, limited in-situ reduction and defect construction, mixing and forming, and high-temperature sintering. Through the synergistic effect of the semiconductor phase, the dielectric phase and the core-shell conductor phase, the application realizes comprehensive enhancement of impedance matching, interface polarization, conductive loss and multiple scattering attenuation, and can improve the high-temperature stability and electromagnetic wave attenuation performance of the attenuation porcelain.

The application discloses a quad-rotor formation obstacle avoidance control method based on an improved DDPG algorithm, and belongs to the technical field of unmanned aerial vehicle formation control. The method adopts an improved DDPG reinforcement learning algorithm to plan an obstacle avoidance path of the quad-rotor. When the improved DDPG reinforcement learning algorithm is executed, the priority weight of each quadruple experience in the experience replay pool is initialized. After the quadruple experience in the experience replay pool is sampled and trained, the priority weight of each quadruple experience is recalculated based on a TD error, and a Sum_Tree structure is updated. The method effectively alleviates the training instability caused by hyperparameter sensitivity, the misleading of policy updating caused by overestimation of Q values, and the problem that key experiences are not sufficiently learned, accelerates the convergence speed of the quad-rotor formation obstacle avoidance training, and improves the obstacle avoidance effect.

This application discloses a sludge dewatering material spreading device and method, belonging to the field of sludge treatment technology. The sludge dewatering material spreading device includes a spreading bed, a filter press chamber, and a filter cloth frame. The filter press chamber is equipped with a filter basket and a tray assembly. The filter basket opening is equipped with a laser rangefinder. The tray assembly includes a tray and a lifting mechanism, which drives the tray to move up and down within the filter press chamber. The filter cloth frame provides filter cloth, and the spreading bed lays filter cloth and sludge within the filter press chamber. The tray assembly enables tray lifting, and the spreading bed lays filter cloth and sludge within the filter press chamber, with the sludge spread between the filter cloths for subsequent filtration. The laser rangefinder at the filter basket opening accurately measures the distance between the sludge material and the basket opening, allowing for precise and digitized measurement of the tray's lowering or raising height, thus achieving dynamic matching between the spreading material and the tray's descent.

This invention discloses a method for jointly regulating water resource utilization of desert riverbank vegetation based on ecological gate groups. The method includes: obtaining vegetation change patterns using a fitting method based on the kNDVI vegetation index; dividing the vegetation in the desert watershed into three vegetation distribution zones based on the vegetation change patterns and vegetation coverage; acquiring all ecological gates in the desert watershed and dividing them into multiple ecological gate groups; determining the weights of the three vegetation distribution zones for ecological protection objectives using the analytic hierarchy process (AHP), and calculating the comprehensive score of the regulation zone based on the proportion of ecological functional zones in the regulation zone; solving the joint model of the ecological gate groups using a single-objective genetic algorithm to obtain the ecological water demand and ecological water supply of each control zone when the total water shortage of all ecological gate groups is minimized; dividing the ecological gate groups into five levels based on the comprehensive score, and then activating the ecological gate groups to irrigate the irrigation area according to the ecological gate group level, ecological water demand, and the importance of the irrigation area.

The application discloses a low-power-consumption long-endurance energy-saving motor and a manufacturing method thereof, which comprises a motor main body, one end of the motor main body is fixed with an end cover, a dust screen is installed in the end cover, and two groups of supports are symmetrically installed in the middle of the dust screen. The application has the beneficial effect that a real-time detection prompting mechanism composed of an inner air pressure sensor, an outer air pressure sensor and a warning light is arranged, during the use of the motor, the outer air pressure sensor and the inner air pressure sensor transmit detection data to the controller for processing and analysis, when the detection value difference of the two is greater than the set value, it indicates that the dust screen is seriously blocked, at this time, the warning light is actuated to remind the staff, so that the dust screen can be cleaned in time, the poor heat dissipation effect and the high temperature in the motor main body caused by the untimely cleaning are avoided, the motor main body is always in low-power-consumption operation, and the application has high use performance.

The utility model discloses a pneumatic extinguisher impeller with novel three-dimensional structure blades, relates to the technical field of pneumatic extinguishers, and solves the problems that the original impeller blade configuration and volute structure cause certain loss of internal gas flow, the gas flow rate at an outlet is influenced, and the gas flow rate is influenced. The backpack type pneumatic extinguisher comprises an impeller body, arc-shaped blades are arranged in the impeller body, through holes are formed in the positions, between the blades, of the impeller body, the size parameters of the blades of the impeller are improved, and the size parameters comprise the size on the horizontal plane and the size perpendicular to the plane of the impeller; the geometric configuration of the impeller blade is improved, and the geometric parameters of the impeller blade and the volute are integrally optimized; the energy loss caused by gas flowing in the pneumatic extinguisher is improved, and the working efficiency of the impeller of the pneumatic extinguisher is improved.

This application relates to the field of semiconductor optoelectronic device technology and discloses a tilted waveguide semiconductor laser with a composite microstructure. The semiconductor laser includes a tilted waveguide, and the base-side mode forms a zigzag resonant path within the tilted waveguide cavity. This ensures high end-face coupling efficiency of the base-side mode within the tilted waveguide semiconductor laser at different etching depths. An internal microstructure is disposed in the region within the tilted waveguide cavity that does not overlap with the zigzag resonant path; external microstructures are disposed in the regions on both sides of the tilted waveguide that overlap with the zigzag resonant path. Both the internal and external microstructures are used to increase the loss of higher-order side modes, improving the lateral beam quality, and have broad application prospects in fields such as pump sources and space communication.

An integrated in-situ reaction and forming method for microwave-absorbing materials encapsulated in a microwave-transparent composite material is disclosed, relating to a method for preparing microwave-absorbing materials. The purpose of this invention is to solve the problems of existing methods in preparing microwave-absorbing composite structures, such as easy detachment of the microwave-absorbing functional layer, complex preparation processes, unstable bonding between the microwave-absorbing material and the composite matrix, and the inability to simultaneously meet the requirements of high temperature resistance, microwave transmission protection, microwave absorption attenuation, and structural load-bearing. The method includes: 1. Pretreatment of the substrate; 2. Preparation of a cobalt / manganese-ZIFs microwave-absorbing material precursor; 3. Laying up the microwave-absorbing material precursor; 4. Lamination and preform assembly; 5. Simultaneous in-situ reaction and isothermal hot pressing; 6. Cooling and demolding. This invention uses a high-temperature resistant microwave-transparent composite material thin plate as the outer substrate, enabling incident electromagnetic waves to pass through the substrate into the intermediate microwave-absorbing functional layer, while simultaneously providing protection and load-bearing for the microwave-absorbing layer, reducing problems such as microwave-absorbing powder shedding, moisture absorption, oxidation, and erosion wear.