297results about How to "Reduce technical difficulty" patented technology

The invention discloses an integrated construction method and system for human settings, images, sounds and life tracks of a digital human, and belongs to the technical field of the Internet. The method comprises the following steps: generating a virtual digital human; constructing a life track, an image and voice of the virtual digital human; and performing behavior analysis on the virtual digital person, and updating the life track, image and voice of the virtual digital person. According to the invention, the defects of too long time and low efficiency of traditional digital human creation are overcome; the method solves the problems that the personality of the digital person in the traditional digital person creation depends on a model too singly, so that the characteristics of the digital person are too single, and the digital person cannot automatically learn and grow.

The invention discloses a method and equipment for preparing high-purity electronic-grade hydrogen chloride from hydrogen-rich hydrogen chloride feed gas. The bid invitation comprises the following steps: (1) removing water through a two-stage deep freezer; (2) further removing water through adsorption of an adsorption tower; (3) rectifying: directly discharging gas-phase materials at the top of the tower, namely hydrogen, carbon dioxide and other non-condensable steam, into an alkali washing section; (4) introducing the material into a light component removal tower for further rectification, directly discharging a gas-phase material at the top of the tower, namely hydrogen chloride gas containing C1 and C2, into an alkali washing section, and circulating a material at the bottom of the tower back to the light component removal tower through a dehydrogenation tower; and (5) introducing the material into a heavy component removal tower for further rectification, directly discharging hydrogen chloride liquid containing chlorine and other high-boiling-point impurities in a tower kettle into an alkali washing section, and extracting a vapor phase at the top of the tower to obtain high-purity electronic-grade hydrogen chloride. According to the method, the load of the adsorption tower is reduced, and the treatment capacity per unit time is increased; the method has the advantages of simple process, low energy consumption, high recovery rate, easiness in stable preparation of high-purity electronic-grade hydrogen chloride, and facilitation of improvement of production scale and yield.

The utility model discloses an external circulation self-suction type residual gas recycling reaction device which comprises a reaction kettle body, a stirring paddle is arranged in the reaction kettle body, and the stirring paddle consists of a titanium porous stirring paddle and a stirring rod; the stirring paddle provides stirring power through a variable frequency motor arranged at the top of the reaction kettle; a liquid outlet, a gas outlet, a liquid inlet and a residual gas inlet are formed in the reaction kettle body, the liquid outlet is formed in the upper part of the kettle body, the liquid outlet and the residual gas inlet are formed in the bottom of the kettle body, the liquid outlet is connected with a liquid inlet pipe, the residual gas inlet is connected with a gas inlet pipe, the gas inlet pipe is nested in the liquid inlet pipe, and a three-way pipe is mounted on the liquid inlet pipe. According to the utility model, the design of a self-suction hollow stirring paddle is replaced by the design of external circulation and a large-page porous stirring paddle, so that the corrosion of corrosive gas to the stirring paddle is reduced, the mechanical strength of the stirring paddle is improved, and the service life of reaction equipment is prolonged.

The present invention relates to a double-layer geomembrane core wall rockfill dam structure and a construction method. The purpose of the present invention is to provide a double-layer geomembrane core wall rockfill dam structure and a construction method with superior anti-seepage performance and reliability. The technical solution of the present invention is: a double-layer geomembrane core wall rockfill dam structure, characterized in that: the rockfill dam has a double-layer geomembrane anti-seepage core wall structure; the double-layer geomembrane anti-seepage core wall structure is sequentially provided with an upstream sand cushion layer, an upstream geomembrane, a middle silt layer, a downstream geomembrane and a downstream sand cushion layer from upstream to downstream. The present invention is applicable to the field of water conservancy and hydropower engineering.

The present invention relates to the field of solar cells, and discloses a transverse and longitudinal composite multi-junction TBC solar cell and a preparation method thereof. The TBC solar cell comprises an N-type silicon wafer, the front side of which is provided with a pyramid velvet surface and a passivation layer in sequence; the back side of the N-type silicon wafer is provided with a deposition area A and a deposition area B distributed in a cross-finger shape; the gap between the deposition area A and the deposition area B is an isolation area, and the surface of the isolation area is provided with a pyramid velvet surface and a passivation layer in sequence; the surface of the deposition area A is provided with a boron diffusion layer A, a phosphorus diffusion layer A, a tunneling oxide layer A, a phosphorus diffusion layer B, a passivation layer and an electrode layer in sequence; the surface layer of the N-type silicon wafer located at the bottom of the deposition area B is a boron diffusion layer B, and the surface of the deposition area B is provided with a tunneling oxide layer B, a boron diffusion layer C, a passivation layer and an electrode layer in sequence. The TBC solar cell of the present invention has a transverse and longitudinal composite multi-junction structure, which is conducive to further improving the battery conversion efficiency of the battery, and at the same time reducing the battery preparation cost and technical difficulty.

The invention relates to the field of cluster data processing, and discloses a cross-cluster operation method and device and a storage medium, the method comprises the following steps: establishing a data transmission channel between a current cluster and a target cluster, and sending target data corresponding to a target operation in the current cluster to the target cluster through the data transmission channel; obtaining job parameters corresponding to the target job in the current cluster, determining a target script according to the job parameters, the cluster identifier of the target cluster and a pre-constructed script template library, and sending the target script to the target cluster, so that the target cluster executes the target job based on the target script and the target data to obtain a target result; and in response to determining that the target cluster completes the target job, establishing a result transmission channel between the current cluster and the target cluster, and sending the target result in the target cluster to the current cluster through the result transmission channel, thereby improving the data transmission efficiency and security, adaptively generating a script, and reducing the technical difficulty of cross-cluster job.

The invention relates to the technical field of exoskeleton robots, in particular to a multi-limb exoskeleton walking balance control method, device and equipment and a storage medium. The zero moment point coordinate of the wearer can be accurately calculated by acquiring the sensing information, the stable supporting polygonal area is determined, when the zero moment point is not in the stable supporting polygonal area, the balance auxiliary mode can be executed according to the phase state of the robot, the safety of the wearer is ensured, and the safety of the wearer is improved. According to the method, the phase state of the robot is obtained according to the walking state and the environment of the wearer in the sensing information, the balance state of the wearer is accurately judged, the robot can quickly make a balance strategy according to the gravity center change of the wearer, the calculation process is simple, the requirement for software and hardware of a control system is low, cost and technical difficulty are reduced, and the method is suitable for popularization and application. No matter in daily life or in a special working environment, reliable balance assistance can be provided for a wearer, and the safety and stability of actions are improved.

The utility model provides a pool cleaning robot which comprises a machine body provided with a water inlet, a water outlet and a mounting cavity, and the mounting cavity communicates with the water inlet and the water outlet; the walking module is rotatably arranged on the machine body, the walking module makes contact with the surface of the pool, and the pool cleaning robot is driven to move through friction force between the walking module and the surface of the pool; the filtering module is arranged in the mounting cavity of the machine body in a push-pull mode, liquid in the pool flows into the filtering module from the water inlet, and the filtered liquid flows out of the pool cleaning robot through the water outlet; the snorkeling module is arranged on the machine body, and the pool cleaning robot dives to the bottom of the pool through the snorkeling module so that the walking module can make contact with the surface of the pool and float upwards to be close to the liquid level of the pool. The pool cleaning robot has the advantages of being low in energy consumption, convenient to operate and low in cost.

The invention discloses an intermediate infrared super-continuum spectrum light source with a spatial light structure, which comprises a pumping source, a light source, a light source and a light source, the collimating lens is used for collimating the pump light and outputting parallel light; the grating pair is formed by arranging two gratings in parallel and is used for splitting the light input into the grating pair according to the frequency, changing the optical path of the light of each frequency and outputting transmission light to the roof prism; the optical fiber is also used for compounding the light returned to the grating pair from the original path of the roof prism, realizing pulse compression and outputting compressed light to the reflector; the roof prism is used for reflecting the light penetrating through the grating pair to penetrate through the grating pair again; the reflecting mirror is used for reflecting the compressed light; the focusing lens is used for focusing the compressed light reflected by the reflecting mirror; and the compressed light focused by the focusing lens is spatially coupled at a focal point to enter the fluoride optical fiber, and intermediate infrared super-continuum spectrum laser is output. In the spatial optical coupling system, the grating pair is used for compressing the pulse, and further broadening of the super-continuum spectrum is achieved.

The invention discloses polyester for melt-blowing and a filtering manufacturing method thereof, and belongs to the field of high polymer materials. The raw materials of the polymer polyester contain aliphatic dibasic acid glycol ester, the intrinsic viscosity of the polyester is 0.45-0.6 dL.g <-1 >, and the melting point of the polyester is 190-230 DEG C. The modified PET melt-blowing polyester material is obtained, a melt-blowing non-woven fabric prepared from the material has high mechanical strength and filtering performance at the same time, complex procedures needed by a traditional spunbond cloth / melt-blowing cloth / spunbond cloth (SMS) method for preparing a PET / PP filtering material are reduced, the technical difficulty and the production cost are reduced, and the method is suitable for large-scale popularization and application. And meanwhile, the filtering material is simple-substance, so that the recovery and cyclic utilization of a filtered product are facilitated.

The invention discloses a graphical programming method and device, electronic equipment and a storage medium, and the method comprises the steps: determining a to-be-supplemented attribute lacked by a candidate code building block when the selection information of the candidate code building block displayed by a building block building platform is obtained; displaying an attribute configuration page corresponding to the candidate code building blocks on the building block building platform according to the to-be-supplemented attributes; attribute parameters are obtained according to the attribute configuration page, and the candidate code building blocks set through the attribute parameters are displayed in a building block building area of the building block building platform. According to the embodiment of the invention, code programming is realized through the graphical interface, the technical threshold of program development can be reduced, the technical difficulty of user programming can be reduced, the business logic construction capability of the code building block can be enhanced by supplementing the attribute parameters lacked in the code building block in a graphical interface mode, the complex business logic development is realized, and the user experience is improved. And the application scene of graphical programming can be expanded.

The invention provides a template for a female shirt front piece sewing process, which comprises a main body bottom layer plate, a first side plate and a second side plate, the first side plate and the second side plate are respectively connected to the upper side and the lower side of the main body bottom layer plate in a folding manner, and the main body bottom layer plate is also connected with a middle layer plate assembly; the middle-layer plate assembly comprises a middle-layer bottom plate which is in turnover connection with the upper surface of the main body bottom-layer plate, and the middle-layer bottom plate is detachably connected with a middle-layer upper plate; the upper end of the middle-layer upper plate extends and protrudes out of the upper end of the middle-layer And the middle-layer upper plate is as long as the middle-layer bottom plate. The template at least has the beneficial effects that the technical difficulty of a traditional female shirt front piece sewing process is reduced, so that the requirement and dependence on technicians with deep quality are reduced, common technicians can also operate through the template, and the scalding risk caused by high-temperature pressing and shaping in the sewing process is also avoided. Unification and standard of quality of products produced in the same order can be guaranteed in a shorter time, and sewing efficiency and garment quality are greatly improved.

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 utility model discloses a double-injection urea pump and an injection system, and relates to the technical field of engine tail gas treatment. Comprising a pump body; the pump body is provided with a liquid suction cavity, a liquid inlet cavity and a liquid discharge cavity; a diaphragm is arranged in the liquid suction cavity; a first sealing structure is arranged between the liquid suction cavity and the liquid inlet cavity, and a second sealing structure is arranged between the liquid suction cavity and the liquid discharge cavity; the first sealing structure is configured to be opened so that urea can enter the liquid suction cavity through the liquid inlet cavity when the diaphragm deviates from the liquid suction cavity and negative pressure is formed in the diaphragm. The second sealing structure is configured to be opened when the diaphragm compresses the liquid suction cavity to form positive pressure in the liquid suction cavity, so that urea is discharged out of the liquid suction cavity through the liquid discharge cavity; only the diaphragm is arranged in the liquid suction cavity in the pump body, and structures such as a valve element and a valve plate are not arranged, so that the structure is simplified, the internal volume of the liquid suction cavity is increased, and the double-spray flow of urea is improved.

The invention discloses a bacillus strain GBD3 and application thereof to degradation of phthalic ester plasticizers, belongs to the field of environmental pollutant remediation, and is characterized in that the strain is classified and named as Bacillus sp. GBD3. The strain is preserved in the China General Microbiological Culture Collection Center (CGMCC) on November 03, 2023, and the preservation number is CGMCC No.28860. The invention further discloses a preparation method of the strain. The invention also discloses an application of the strain in degrading the phthalic ester plasticizer. The strain can efficiently degrade the phthalic ester plasticizer with the side chain length of C2-C5 at room temperature. The degrading bacteria screened from soil polluted by plastic agricultural films for a long time can effectively remove phthalic ester plasticizers. The degrading strain can be used for repairing the soil environment polluted by the phthalic ester plasticizer.

The invention discloses a visualization method and device for simulating the migration rule of a proppant in the crack dynamic expansion process, and relates to the technical field of crack expansion and proppant migration. According to the method and device, a crack dynamic expansion visualization model is established, transparent sample plates with different elastic constants are adopted, a finite acute angle crack is reasonably set, and the migration rule of the proppant in the crack dynamic expansion process is simulated. Under the condition that the interface roughness is certain, pressure is applied through the inflatable rubber bag, a crack expansion visual model of a crack flat plate closed layered structure is established, and the dynamic problems of crack initiation expansion and synchronous migration of a propping agent are solved from the overall structure.

The invention relates to a remote-control automatic detection device and system for irregularity of a steel rail, and the device comprises a frame which is connected to the steel rail in a sliding manner; the driving unit drives the frame to slide on the steel rail in the length direction of the steel rail; the data collection unit is installed on the side, close to the steel rail, of the frame, and the data collection unit is used for collecting deformation data of the steel rail. Through the arrangement, the whole detection process is simplified, the accuracy, high efficiency and consistency of detection data are ensured, the professional requirement is low, the technical difficulty is small, the manufacturing and maintenance cost is low, and application and popularization are convenient.

The invention relates to a SmSNR gene and application thereof in increasing the content of salvianolic acid in salvia miltiorrhiza. The nucleotide sequence of the SmSNR gene is shown as SEQ ID No.1. The SmSNR gene is cloned in the salvia miltiorrhiza for the first time, it is found that the SmSNR gene plays a negative regulation role in salvianolic acid biosynthesis, and the content of salvianolic acid in the salvia miltiorrhiza can be remarkably increased by knocking out the SmSNR gene in the salvia miltiorrhiza. According to the invention, a SmSNR transcription factor responding to gibberellin induction is screened through transcriptome sequencing analysis, a SmSNR gene knockout vector is constructed by using a CRISPR / Cas9 technology, and a gene knockout hairy root is obtained through transformation; expression of key enzyme genes in a salvianolic acid downstream synthesis route can be activated by knocking out the SmSNR gene in the radix salviae miltiorrhizae, so that the content of salvianolic acid in the radix salviae miltiorrhizae, especially the content of salvianolic acid B and rosmarinic acid, is effectively increased, and the SmSNR gene has high application value and research value.

The utility model relates to the technical field of display, and discloses a monitoring circuit and method of a display module and a display device. The display module comprises a display panel and a display circuit, the display circuit comprises a main controller, a first controller, a first power manager and a level shifter, the output end of the first controller is electrically connected to the input end of the level shifter, and the first controller is configured to output a display signal required by the display panel. The first power manager is configured to provide a voltage signal to the first controller; the monitoring circuit comprises a second controller, the input end of the second controller is electrically connected to the output end of the first power manager and electrically connected to the output end of the first controller through a level shifter, and the second controller is configured to monitor the display state of the display panel according to the display signal and / or the voltage signal. The output end of the level shifter is electrically connected to the input end of the display panel and the input end of the second controller. The monitoring circuit reduces technical difficulty and user cost.

The invention relates to the field of robots, and discloses a skill simulation method, device and equipment of a robot and a storage medium. Comprising the following steps: acquiring a clamping jaw state when a robot completes an operation task, inputting the clamping jaw state into a clamping jaw simulation environment for analogue simulation to obtain a first joint action position, inputting the first joint action position into a joint simulation environment for analogue simulation to obtain a second joint action position and a visual image, and taking the second joint action position and the visual image as input data; and training and optimizing a preset initial prediction formula through a preset loss function to obtain a prediction formula, inputting the initial joint action position and the initial visual image of the robot in the joint simulation environment into the prediction formula to obtain a target joint action sequence, and driving the robot to execute corresponding actions. According to the scheme, the action sequence of the robot is predicted by learning the joint action information and the visual information, the technical difficulty of the robot during operation behavior learning is reduced, and the intelligent degree of the robot and the generalization ability of skill simulation are improved.

This invention relates to the field of ultrafast laser technology, and provides an optical path folding multi-cavity nonlinear pulse compression device and method. The device includes a multi-cavity module for nonlinear spectral broadening, a mode matching module, and an optical path collimation and dispersion compensation module. The multi-cavity module includes two symmetrical concave mirrors and a nonlinear medium disposed therebetween, at least one dispersion compensation element, and multiple planar mirrors. The planar mirrors and dispersion compensation elements work together to fold and propagate the beam to reduce the effective cavity length; the dispersion compensation element provides dispersion compensation while reflecting to maintain stable pulse propagation, thereby increasing the compression ratio. This invention combines optical path folding with dispersion engineering to maintain stable pulse propagation, breaking the limitation of single-stage multi-cavity spectral broadening ratio, and achieving high-magnification nonlinear pulse compression while significantly reducing the lateral size of the device and improving its compactness.

The application discloses a kind of satellite radiation product-based remote sensing image geometric calibration method, electronic equipment and medium.The method can include: determining reference image, inputting image to be calibrated;For the same name point matching of image to be calibrated and reference image, obtain the same name point coordinates;The third polynomial distortion model about CCD probe element number is constructed;Based on the same name point coordinates, curve fitting is carried out on the distortion model, and the distortion coefficient is obtained;The resampling of image to be calibrated is carried out by distortion coefficient, and the correction of internal distortion of image is realized.The application can quickly and accurately carry out geometric calibration processing to satellite image, greatly improve the efficiency and quality of image processing.

The present invention discloses a method for preparing a polyaniline film by self-assembly, and belongs to the technical field of preparing conductive polymer films. The present application adopts an interface recrystallization method to obtain a polyaniline film, which has a simple process and strong operability. The obtained polyaniline film has a regular and orderly three-dimensional network structure. The large-area preparation of the polyaniline film can be achieved by selecting the specifications of the guide plate, which overcomes the shortcomings of the electrochemical preparation method. In the process of transferring the polyaniline film to the target substrate, no other dielectric layer needs to be introduced, and no other organic solvents need to be involved. Therefore, any substrate can be transferred without affecting the structure of the target device; at the same time, the controllable preparation of films of different thicknesses can be achieved at the nanoscale through a layer-by-layer assembly method, which is of great significance to the expanded application of polyaniline films and provides a new feasible idea for the preparation of thin film materials.

The invention discloses a rhizoma curcumae longae detoxification method by combining indole-3-methanol with stem tip culture, and belongs to the technical field of plant tissue culture detoxification seedling culture. The turmeric detoxification method comprises the following steps: (1) taking turmeric rhizomes as explants, and carrying out subculture to obtain turmeric tissue culture seedlings; (2) culturing the turmeric tissue culture seedling on an indole-3-methanol exogenous treatment culture medium to obtain a mature plant; and (3) cutting a stem tip from the mature plant, and culturing on a stem tip induced differentiation culture medium to obtain the turmeric virus-free tissue culture seedling. The turmeric detoxification tissue culture seedlings are cultured by applying the turmeric detoxification method combining indole-3-methanol exogenous treatment with one-time stem tip culture, the technical difficulty is low, the cost is low, the culture period is short, the regenerated plants are high in detoxification rate and strong in growth vigor, and a technical support is provided for large-scale production of the turmeric detoxification tissue culture seedlings.

This application provides a call detail record (CDR) billing method, apparatus, device, and computer storage medium. The CDR billing is applied to a first billing system and includes receiving a resource allocation request sent by a second billing system based on a target billing CDR. The resource allocation request includes resource usage information from the target billing CDR and information about cross-provincial billing users in the target billing CDR. If it is determined that there are remaining resources in the first communication resource in the first billing system, the remaining resources of the first communication resource are deducted based on the resource allocation request and the resource usage information of the target billing CDR to obtain deduction result information. The deduction result information is sent to the second billing system so that the second billing system can deduct and bill resources whose resource usage exceeds that of the first communication resource based on the deduction result information. According to this application embodiment, it satisfies the requirement of sharing communication resources within packages across multiple provinces while reducing engineering costs and technical difficulty.

The invention provides a silicon carbide MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) structure and a manufacturing method thereof. The MOSFET structure comprises a silicon carbide substrate layer, a silicon carbide N-type epitaxial layer, a trench structure, a P column layer, a P-type well region, an N-type heavily doped region, a gate structure layer, a top metal layer and a drain electrode. The P column layer of the MOSFET structure comprises a first P column layer and a second P column layer. The first P column layer is formed by high-energy injection from the bottom surface of the groove structure to the silicon carbide N-type epitaxial layer, the groove structure is filled with the second P column layer, and the surface of the second P column layer is flush with the surface of the silicon carbide N-type epitaxial layer. According to the MOSFET structure, the overall P column layer is manufactured in a mode of combining high-energy injection and epitaxial filling, the overall depth of the P column layer is effectively increased under the condition that the depth of the groove structure is not increased, the process difficulty is reduced, the device yield is improved, and the device performance is improved.

The application discloses a manufacturing method and a using method of a power fitting for stepless adjustment of sag, and belongs to the technical field of power fittings. The power fitting for stepless adjustment of sag comprises a double-end bolt with a rotating disc, the screw rod of the double-end bolt with the rotating disc is connected with a π-shaped nut with the rotating disc at two ends respectively, and the π-shaped nut with the rotating disc and the double-end bolt with the rotating disc are limited by a rotation blocking rod piece. The double-end bolt with the rotating disc mainly comprises a double-end bolt and a rotating disc. The double-end bolt with the rotating disc is manufactured by welding the rotating disc on the nut of the double-end bolt. The π-shaped nut with the rotating disc is installed at two ends of the screw rod of the double-end bolt. The rotation blocking rod piece is installed between the π-shaped nut with the rotating disc and the double-end bolt with the rotating disc. The application can not only greatly reduce the complexity of observation and adjustment of wire sag, but also facilitate correction of the unqualified sag found after acceptance of wire cutting.

The invention provides an offshore photovoltaic support foundation construction method, and relates to the field of offshore photovoltaic technologies. The construction method comprises the steps that a pile driving barge and a pile foundation are transported to a first to-be-laid area of the sea surface, the pile driving barge comprises a lifting device, the lifting device comprises a first rigging and a second rigging, and the pile foundation comprises a column body, a first lifting lug arranged at the first end of the column body and a second lifting lug arranged at the second end of the column body; the first rigging is connected with the first lifting lug, and the second rigging is connected with the second lifting lug; the first rigging and the second rigging are lifted to lift the pile foundation to a preset position; the first rigging is lifted, and the second rigging is lowered, so that a preset angle is formed between the pile foundation and the sea surface; and the pile foundation is lowered through the first rigging, so that the pile foundation goes deep into a seabed mud layer corresponding to the first to-be-laid area. According to the construction method, the mounting difficulty of the pile foundation can be reduced, and the mounting efficiency and the mounting stability are improved.

This invention discloses a method for protecting the bottom of trenches in wet etching using a photoresist partial filling process. The method includes: fabricating a trench structure on a predetermined area of ​​the wafer surface using plasma etching; applying photoresist to the entire trench structure and the entire wafer surface using spin coating; performing exposure and development on the entire surface of the wafer covered with photoresist using a photolithography machine without a photomask, thereby removing some of the photoresist on the upper surface of the wafer oxide layer and in the upper region of the trench structure, leaving the remaining photoresist in the trench area in a partially filled state; and removing the exposed oxide layer on the wafer surface, thus protecting the bottom of the trench from damage using the remaining photoresist in the trench area. This invention is applicable to both plasma etching and wet etching, effectively reducing the difficulty, cost, and time of etching processes, achieving low cost and a simple process. It is a novel method for eliminating damage to the bottom of deep trenches by using photoresist filling in deep trenches, suitable for wet etching.

The utility model belongs to the technical field of water heater equipment, and particularly belongs to a waste heat recovery air-conditioning water heater. A valve I is arranged on a pipeline I connected between the compressor and the evaporator; a throttling valve is arranged on a pipeline II connected between the evaporator and the air conditioner; the air conditioner is connected to the liquid storage tank and the compressor through a pipeline III; a fourth pipeline is connected to the second pipeline and between the evaporator and the throttling valve and connected to the water tank. A fifth pipeline is further connected to the position, between the compressor and the first valve, of the first pipeline, the fifth pipeline is connected to the water tank, and a second valve is arranged in the fifth pipeline. The waste heat recovery air-conditioning water heater is used in tropical areas and environments requiring air-conditioning refrigeration throughout the year, and is low in equipment cost, energy is recycled, and energy consumption is reduced.