66results about How to "Reduce depth" patented technology

The utility model belongs to the technical field of carbon molecular sieve production equipment, and discloses a flower mud material crushing conveyor line which comprises crushing equipment, a bottom belt conveyor, an inclined lifting belt conveyor and a vibrating screen, a sunken main pit is formed in the workshop ground of a flower mud crushing station, the crushing equipment is installed in the main pit, and the inclined lifting belt conveyor is installed in the main pit. A feeding hopper of the crushing equipment is removed towards the outer side wall, and the bottom of the feeding hopper is connected through a horizontal steel plate, extends and is connected to the workshop ground in a lap joint mode. The bottom belt conveyor is horizontally connected below a discharge port of the crushing equipment, the bottom end of the inclined lifting belt conveyor is connected at the discharge end of the bottom belt conveyor, and the high end of the inclined lifting belt conveyor inputs crushed flower mud materials to a feed port of the vibrating screen. According to the flower mud material crushing conveying line, crushing equipment is installed in a pit mode, the feeding difficulty is lowered, and the operation safety is improved.

The purpose of this disclosure is to provide a semiconductor wafer that can suppress the shrinkage of the diameter of the convex shape portion by providing cutouts on the outer peripheral surface and the convex shape portion of the semiconductor wafer, and a method for manufacturing the semiconductor wafer. The semiconductor wafer involved in this disclosure has a first surface and a second surface opposite to the first surface. The first surface has a first main surface and a surrounding surface that surrounds the first main surface via a stepped surface and is recessed from the first main surface towards the second surface. A first cutout is provided in a circumferential portion of the stepped surface connecting the first main surface and the surrounding surface, and a second cutout is provided in a circumferential portion of the outer peripheral surface connecting the second surface and the surrounding surface. The first cutout is in the shape of a positioning edge, and the second cutout is in the shape of a notch.

The utility model provides a double-control faucet. The double-control faucet comprises a water outlet main body and a water outlet pipe fitting, the water outlet body is provided with a mounting cavity, a cold water channel and a hot water channel, and a mixed water channel is formed in one end of a mounting opening of the mounting cavity. And a mixing valve core is mounted in the mounting cavity. The water outlet pipe fitting is mounted at the mounting opening of the mounting cavity, and the water inlet end of the water outlet pipe fitting is coaxial and communicated with the mounting cavity. A temperature control assembly in linkage with the mixing valve element is arranged in the water inlet end of the water outlet pipe fitting, the temperature control assembly is provided with a temperature adjusting handle extending out of the periphery of the water outlet pipe fitting, and a flow control assembly is further arranged on the water outlet pipe fitting and located on the downstream of the temperature control assembly, so that a structure that the temperature control assembly and the flow control assembly are arranged in a staggered mode is formed. Therefore, the situation that the two switches are arranged together to cause large installation position size and congestion is avoided, the influence on the appearance modeling design of the faucet is reduced, and the appearance of the faucet has a larger design space.

The invention relates to the technical field of computer vision and coal mine intelligent mining, and discloses a lightweight working face three-dimensional reconstruction method and device fusing geometric prior constraints, and the method comprises the steps: firstly screening a dynamic effective region based on a projection relation and texture features, and removing static redundant scenes; performing sparse visual reasoning and depth regression only for the effective area to generate an initial depth map; carrying out physical structure correction on the depth map by utilizing geometric priori such as vertical upright posts and parallel top plates of the hydraulic support; and finally, constructing an optimization objective function containing deviation constraints of the vertical column perpendicularity and the top plate parallelism, and completing high-precision fusion of the incremental point cloud. According to the method, inference delay is reduced by reducing invalid calculation, structural distortion and registration drift caused by an underground severe environment are effectively inhibited by using a geometric law, and real-time and high-fidelity reconstruction of a working face scene is realized.

The present application relates to a kind of ultra-high purity copper smelting casting method, the smelting casting method includes: the copper material is carried out vacuum smelting, when the vacuum degree becomes 280-310 times of the vacuum degree when vacuum smelting starts in process, vacuumizing is carried out, then in turn, heat preservation and casting are carried out;The casting speed is gradient change in the casting.This smelting casting method provided by the present application realizes the preparation of ultra-high purity copper ingot by the design of vacuum degree in vacuum smelting and the combination of specific casting process, the purity of the obtained ultra-high purity copper is ≥99.9999%, and there is no inclusion and no casting defects such as internal or surface hole.

The utility model belongs to the field of counterbalance forklift truck manufacturing, and particularly discloses a quick-release side plate welding structure of a counterbalance forklift truck, which comprises a front support, a rear support and a side plate welding part, the front support is mounted on a frame of the counterbalance forklift truck, the rear support is mounted on a rear column of the counterbalance forklift truck, the side plate welding part is hung on the front support and the rear support, and the side plate welding part is mounted on the rear column of the counterbalance forklift truck. And the lower part of the counterbalance forklift hood is pressed. The front fixing seat and the rear fixing seat of the side plate welding part are respectively provided with a clamping groove type structure with a large lower part and a small upper part, so that a three-point fixing type clamping groove structure design with a large lower part and a small upper part is realized, the side plate welding part is convenient to disassemble and assemble, the fixing structure is firm, a part of functions of a counterbalance forklift hood are replaced, the depth of the hood is reduced, and the service life of the hood is prolonged. The hood manufacturing process is simplified, the weight of the hood is reduced, the manufacturing cost of the whole machine is reduced, and the working efficiency of daily maintenance and repair of the counterbalance forklift is improved.

The invention discloses a preparation method of a carrier plate structure, the carrier plate structure and a semiconductor packaging structure. The preparation method of the support plate structure comprises the following steps: providing a support plate, wherein the support plate is provided with a first surface and a second surface opposite to each other in a first direction; modifying the support plate at a part of positions by using a laser induction process from one side of the support plate in the first direction, so that the support plate is provided with a modified area and a non-modified area, and the sizes of the modified area and the non-modified area in the first direction are equal to the size of the support plate in the first direction; performing etching treatment on the first surface in the modification area to form a first hole section which does not penetrate through the carrier plate; preparing a first conductive structure in the first hole section; performing etching treatment on the second surface in the modification area to form a second hole section communicated with the first hole section; and at least preparing a second conductive structure electrically connected with the first conductive structure into the second hole section.

The embodiment of the application discloses a high-dimensional NOT gate implementation method based on a lattice cold atom system and a related device. The method comprises sequentially exciting the first n energy levels of the lattice cold atom system through respective excitation frequencies, exciting k energy levels upwards, exciting the first n-1 energy levels after the upward excitation k-1 energy levels downwards, and exciting the n energy level after the upward excitation to the first energy level, thereby obtaining a high-dimensional NOT gate with a dimension of n, wherein k is an integer greater than n-1, so that the high-dimensional NOT gate is directly realized in the lattice cold atom system. The embodiment of the application is beneficial to reducing the depth of the quantum circuit, thereby reducing the accumulation and amplification of errors, and realizing high-dimensional quantum computing.

This invention discloses a method for rapidly adjusting the furnace conditions of a lean-burn electric arc furnace, belonging to the field of pyrometallurgical nickel smelting technology. The method includes: measuring the height of the frozen layer inside the lean-burn electric arc furnace; when the frozen layer height is greater than 650 mm, simultaneously implementing coordinated control operations to reduce the slag oxidation depth (making the converter slag magnetic iron content <25%) and increase the reducing agent addition rate of the lean-burn electric arc furnace; after adjustment, measuring again, if the frozen layer height is less than 600 mm, restoring to normal process parameters; otherwise, repeating the adjustment until the target is met. This invention establishes a rapid response and upstream-downstream coordination mechanism based on the frozen layer as a criterion, which can effectively reduce the magnetic iron content in the slag, quickly eliminate excessively thick frozen layers, significantly improve slag fluidity, and ensure the stable and efficient operation of the lean-burn electric arc furnace system.

A kind of identification detection method for coking furnace shutter valve based on inspection robot, specific steps are as follows: step one: increase the auxiliary image mark of image recognition on shutter valve;Step two: collect image data, carry out model training, establish coking furnace shutter valve dataset;Step three: collect shutter valve image data by inspection robot, judge whether state is normal, if yes, continue to check next shutter valve image, otherwise, send abnormal data to control center.The present application first adds two kinds of auxiliary marks to shutter valve, according to the detection requirement, corresponding installation is carried out on switch cover and telescopic rod, which is convenient for detection and recognition algorithm implementation.Then, track inspection robot is used for inspection and shooting, and the data shot is transmitted to detection and recognition module.The detection and recognition algorithm is optimized and improved on the basis of yolov3, the backbone network is replaced by MobileNet V2 to reduce network depth and improve speed.

The utility model relates to the field of garment production, in particular to an overlock strip width fixing device which is installed on an existing four-thread overlock machine, and the four-thread overlock machine comprises an overlock table and an overlock device installed on the overlock table. The overlock device comprises an overlock needle used for overlock the clothes, a shear knife installed on the overlock table and located at the front end of the overlock needle, and a pressing and conveying piece which is arranged on the overlock table, located on the periphery of the overlock needle and capable of pressing the clothes and driving the clothes to move towards the rear side of the overlock table. The pressing conveying piece is used for pulling clothes to move in the direction away from the shear knife and comprises a guide rail arranged on the overlock table, the guide rail is located on one side of the shear knife, and a control space for an overlock strip to slide in is formed between the guide rail and the shear knife. The device has the advantages that it can be guaranteed that the width of the edge locking strip is fixed, and the width of the edge locking strip is more convenient to control.

The invention relates to the field of integrated circuits, and discloses a pipeline circuit and a memory. The pipeline circuit comprises a pipeline module and a delay control module. And the pipeline module is configured to perform pipeline processing on the data and / or command address signals in the reading or writing process. And the delay control module is configured to control reading delay or writing delay.

The invention relates to a bridge guardrail anchoring structure and an anchoring construction method, and belongs to the technical field of road bridge engineering, the bridge guardrail anchoring structure comprises a top plate, a side plate, a plurality of top bolts and a plurality of side bolts, and the top plate and the side plate are integrally formed; the bottom surface of the top plate is arranged on the top surface of the curb, and a plurality of top anchor holes are formed in the top plate; the side plate makes contact with the curb side, and a plurality of side anchor holes are formed in the side plate. The bottom ends of the guardrail columns are fixed to the top end of the top plate. The plurality of top bolts respectively penetrate through the plurality of top anchor holes; and the plurality of side bolts respectively penetrate through the plurality of side anchor holes. A top plate and a side plate which are integrally formed and vertically distributed are arranged at the top end and one side of the curb correspondingly, then a plurality of top bolts penetrate through a plurality of top anchor holes correspondingly to be in threaded connection with the interiors of corresponding top screw grooves, and a plurality of side bolts penetrate through a plurality of side anchor holes correspondingly to be in threaded connection with the corresponding side screw grooves; the guardrail can be firmly fixed on the curb on the premise that the size of the bridge deck structure is not enlarged and the original curb structure is not changed, and the stability and the reliability of guardrail fixing are improved.

The invention relates to the technical field of castable, in particular to high-performance tundish cover castable based on high-aluminum ceramic chip recycled aggregate and a preparation method of the high-performance tundish cover castable. The castable comprises high-aluminum ceramic chip recycled aggregate, modified hollow alumina microspheres, andalusite and other components, and through roasting stabilization treatment of the recycled aggregate and multi-layer coating modification of the microspheres, the problems of poor heat preservation property and concentrated thermal stress caused by high doping amount of the recycled aggregate are solved. The andalusite cooperates with the modified microbeads to optimize aggregate-andalusite-microbead three-phase interface combination by virtue of the low-expansion characteristic and the active surface, so that the thermal shock resistance and the structural compactness are enhanced. The product has excellent heat preservation and heat insulation performance, high strength and slag corrosion resistance, resource efficient utilization of waste high-aluminum ceramic chips is achieved, and the service life of the tundish cover is prolonged.

The invention discloses a memory structure and a forming method thereof, and the method comprises the steps: carrying out the doping processing of a substrate, and forming a word line doping layer in the substrate; doping the substrate on the word line doping layer or the epitaxial layer on the surface of the substrate to form a diode material layer on the word line doping layer; the substrate, the word line doping layer and the diode material layer are etched, a plurality of isolation openings are formed, and the isolation openings expose the substrate of the isolation region; and carrying out doping treatment on the substrate exposed out of the isolation opening, and forming an isolation doped region in the isolation region. When the substrate leaks electricity, the word line doping layer and the substrate of the isolation doping area form a reverse bias PN junction, the leakage current is cut off, and the problem of substrate electricity leakage is solved. Moreover, the depth of the isolation opening is relatively small, so that the process difficulty of etching the isolation opening is reduced; in addition, the memory structure can realize higher-density integration without large change, the number of the diode units controlled by the word line doping layer is increased, and the performance of the memory structure is improved.

The application discloses a non-balance privacy set union method and a union set system based on full homomorphic encryption, and the method comprises the following steps: a sending end sends a first to-be-unionized ciphertext set to a receiving end; the receiving end obtains a comparison result ciphertext by comparing the data difference between a first to-be-unionized set and a second to-be-unionized set according to the first to-be-unionized ciphertext set based on assignment, rotation and multiplication operation, and sends the comparison result ciphertext to the sending end; the sending end decrypts the comparison result ciphertext to obtain a blinded comparison result, and sends the blinded comparison result to the receiving end; and the receiving end determines the union set of the first to-be-unionized set and the second to-be-unionized set according to the blinded comparison result. The application can reduce the calculation amount and improve the communication speed while avoiding privacy leakage.

This invention belongs to the field of tourist flow prediction and provides a tourist flow prediction method based on BeiDou positioning and structured gated recurrent units. The technical solution involves constructing an adaptive adjacency matrix based on adaptive graph convolution and a random initialization method; randomly initializing the temporal and spatial embedding vectors of the tourist flow data sequence and superimposing the original tourist flow data sequence using a broadcast mechanism to obtain a multi-layered spatiotemporally embedded tourist flow data sequence; combining the adaptive adjacency matrix and the multi-layered spatiotemporally embedded tourist flow data sequence, and extracting the temporal features of tourist flow by embedding a graph convolutional neural network into a gated recurrent unit; based on the temporal features of tourist flow and the constructed structured GRUs network, tourist flow prediction data at different time granularities are obtained, and the feature matrix can be dynamically learned to achieve better prediction performance.

The utility model discloses a hair sticking device convenient to replace a hair sticking roller, which comprises a handle, a U-shaped support and the hair sticking roller, the U-shaped support comprises a cross rod and side plates positioned on two sides of the cross rod, the two side plates and the cross rod are integrally U-shaped, the handle is connected with the cross rod, the side plates are provided with shaft holes, the inner wall of at least one side plate is provided with a guide slope, and the guide slope is arranged on the inner wall of the guide slope. One end of the guide slope is connected with the shaft hole, and the other end of the guide slope inclines towards one side of the outer wall of the side plate and extends to the edge of the side plate to form a notch; connecting seats are detachably arranged at the two ends of the hair collecting roller, rotating shafts are arranged on the connecting seats, at least one rotating shaft is an elastic shaft, and the rotating shafts can be installed in the shaft holes through the guide slopes by pressing the elastic shafts so that the hair collecting roller can rotate freely or the rotating shafts can be detached from the shaft holes so that the hair collecting roller can be replaced. According to the hair sticking device, the hair sticking roller can be conveniently detached for replacement and installation without detaching the structure of the hair sticking device.

The utility model discloses a GGD four-in-one combination cabinet, which comprises a cabinet body, the cabinet body comprises four groups of vertically arranged supports, the four groups of supports divide the cabinet body into a first space, a second space and a third space in sequence, the upper half part of the first space is provided with a first supporting plate, the first supporting plate is provided with a frame circuit breaker, and the second supporting plate is provided with a second supporting plate. A main busbar is arranged in the middle of the second space and the third space, the main busbar is connected with the frame circuit breaker, the height of the main busbar is the same as that of the bottom of the frame circuit breaker, and a plurality of large-capacity molded case circuit breakers are arranged at the bottom of the main busbar in the second space. And a plurality of small-capacity molded case circuit breakers are arranged at the bottom of the main busbar in the third space. And the wire inlet cabinet, the wire outlet cabinet, the capacitor cabinet and the metering cabinet are combined into a comprehensive cabinet. The overall width of the comprehensive cabinet body is greatly reduced compared with four traditional cabinet bodies, and the depth of the comprehensive cabinet body is also smaller than that of the traditional cabinet bodies. Compared with a traditional power distribution cabinet, a large number of metal plate consumables are saved. And a reasonable combination mode is selected, so that the overall busbar consumption is obviously reduced, and the economic benefit is obvious.

The application discloses a loess drilling core image-based lithology and sedimentary facies identification and layering method, and aims to solve the problems that loess drilling cores have broken cores, missing sections, insufficient recovery rates, and that core box segmented shooting and splicing result in difficulties in automatic alignment of core images and well depth, accurate positioning of layering boundaries, and continuous output of the layering boundaries. The application obtains a core image set and well depth metadata, performs image preprocessing and splicing according to the core box sequence, and establishes an image position coordinate sequence. Image coding network and metadata coding network are used to extract features and generate an alignment feature sequence through cross-modal fusion of cross-attention Transformer. A depth mapping function that satisfies a monotonic increasing constraint is solved under the constraints of a starting well depth, a terminal well depth, a coring recovery rate and a depth marker point, so as to realize the mapping of the image position to the real well depth. Then, the image features are aligned to the well depth sampling points, and a lithology and sedimentary facies probability sequence is output. Finally, the final layering boundary is determined under the constraints of a minimum layer thickness and adjacent layer section category transition, so as to realize the continuity constraint output of the layering result and improve the alignment accuracy and layering reliability.

The application relates to the technical field of road engineering, in particular to a setting method of a highway super-high gentle section drainage system based on a longest water collection path, which comprises the following steps: field investigation; simplifying the maximum water collection path into a plane quadratic curve, taking a point where the maximum water collection path enters a water accumulation area as an original point O, taking the road center line direction of the O point as an X axis, and taking the vertical road center line direction as a Y axis to establish a plane coordinate system; determining the position of a starting point A point of the maximum water collection path; deriving a quadratic curve of the maximum water collection path according to the A point, the O point coordinates and the derivative of the maximum water collection path curve at the O point; and determining the setting angle of the water interception groove at different positions according to the longest water collection path to determine the number of water interception grooves. According to the application, the water interception groove position is determined according to the longest water collection path, the water interception groove angle is 90 DEG intersected with the maximum water collection path, water flow is collected to the maximum extent, water flow collection in the gentle section is blocked, and water accumulation is reduced.

The utility model relates to an embedded intelligent shoe box which comprises a shoe box body, a plurality of shoe support supports and an exhaust system, the shoe support supports are installed in the shoe box body, and the shoe support supports are evenly distributed up and down; the shoe support bracket is an L-shaped plate and is upwards inclined by 30 degrees; the exhaust system comprises an air inlet, an exhaust outlet and an exhaust fan, the air inlet is formed in the shoe box main body, the exhaust outlet is formed in the shoe box main body, the air inlet and the exhaust outlet are arranged left and right and up and down, the air inlet direction of the air inlet is perpendicular to the exhaust direction of the exhaust outlet, and the exhaust fan is installed at the exhaust outlet; a power supply and an electric control box are arranged in the shoe box main body, the power supply is connected with the electric control box, the exhaust fan is connected with the electric control box and is controlled by the electric control box to start or stop, and when the exhaust fan is started, air enters from the air inlet and exits from the air outlet and circularly flows in the shoe box main body; and each shoe support bracket is a flow guide plate.

The invention relates to a rectangular coordinate-to-polar coordinate conversion method and device based on an LUT and CORDIC hybrid architecture. The method comprises the following steps: S1, sector folding preprocessing; s2, performing coarse rotation iteration; s3, generating a dynamic address; s4, a compression lookup table is queried; and S5, data compensation and reconstruction. According to the method, a small amount of CORDIC iteration is introduced to rotate the input vector to a very small angle range, so that the input space required to be covered by a subsequent lookup table is greatly compressed; meanwhile, the bit width and the address depth of a storage value in the LUT are remarkably reduced by combining module value residual storage and a dynamic truncation technology, so that the storage resources of the LUT are greatly reduced on the premise of ensuring the precision, and the hardware implementation cost is lower.

The present application belongs to the technical field of image processing, and in particular to a multi-scale attention weak light image enhancement method and system. The present application comprises the following steps: step 1, constructing a network model: constructing a multi-scale attention weak light image enhancement network model, which comprises a decomposition network, a reflection image restoration network, and an illumination image enhancement network; step 2, preparing a data set: using the LOL-v1 data set to divide the training set and the test set and to perform preprocessing; using the LOL-v2 data set to fine-tune the model; step 3, training the network model: inputting the LOL-v1 data into the network for training until the preset training number or the loss function reaches the standard step; step 4, fine-tuning the model: using the second weak light image data set to further train and fine-tune the network model; and step 5, saving the model: solidifying and saving the final model parameters to realize the conversion output of weak light images into high-quality images. The present application designs an efficient multi-scale attention enhancement network for improving the performance of image features. This method can significantly improve the quality and clarity of the image, making the illumination and reflection details more distinct.

A quantum computing method is provided. The quantum computing method includes providing a physical quantum system (1) comprising components (2). The quantum computing method includes performing an encoded quantum computation (7) on the physical quantum system (1), including: preparing at least a portion of the physical quantum system (1) in an initial quantum state; evolving the physical quantum system (1) to a final quantum state; measuring at least a portion of the physical quantum system (1) to provide a readout value; and determining the output of the encoded quantum computation (7) based on the readout value. During at least a portion of the encoded quantum computation (7), the quantum state of at least a subset of the components (2) is an encoded quantum state according to the encoding. Evolving the physical quantum system (1) to the final quantum state includes performing: a plurality of encoded evolution steps (105) for changing the encoding of the components (2), and a plurality of algorithmic evolution steps (106) for at least a portion of the action of at least one of a plurality of instructions (61, 62) for physically implementing a quantum algorithm (6) under the current encoding. At least some of the multiple coding evolution steps (105) and at least some of the multiple algorithm evolution steps (106) are performed according to an alternation sequence, which alternates between the coding evolution steps (105) and the algorithm evolution steps (106). At least one coding evolution step (105) in the alternation sequence includes performing a set of parity coding operations (75). Each parity coding operation (75) in the set of parity coding operations (75) is performed on a corresponding subset comprising at least two components (2). Each parity coding operation (75) in the set of parity coding operations (75) encodes the parity of all components (2) in the corresponding subset comprising at least two components (2) into at least one component (2) of the subset. At least one algorithmic evolution step (106) in the alternating sequence includes performing at least one algorithmic action operation (74) on at least one component (2), wherein the at least one algorithmic action operation (74) physically implements at least a portion of the action of at least one of the multiple instructions (61, 62) of the quantum algorithm (6) under the current encoding of the component (2).

This utility model discloses a composite foundation and its installation structure. The composite foundation includes: a pile foundation, inserted into the soil downwards along the ground level, with the end of the pile foundation sunk below the ground level; and a shallow pit concrete foundation, constructed around the pile foundation at a predetermined depth below the end of the pile foundation, used to fix the pile foundation. This utility model reduces the amount of earthwork excavation, the horizontal excavation area, and the vertical excavation depth, effectively reducing conflicts with surrounding underground pipelines and the risk of damage to them. Simultaneously, the shallow pit concrete foundation reduces the amount of concrete poured, shortens the construction period, and improves the overall construction efficiency of the composite foundation.

The application discloses an exhibition stand and belongs to the technical field of exhibition stands. The exhibition stand comprises a storage table, a fence assembly, a supporting column and a lifting support. The storage table is provided with a cavity. The storage table is provided with a sandwich layer. The fence assembly is at least partially accommodated in the sandwich layer. The supporting column is installed on the storage table. The lifting support is located above the storage table. The lifting support is slidably connected to the supporting column along the axial direction of the supporting column. The lifting support is connected with the fence assembly. When the lifting support is moved upward and away from the storage table, the fence assembly can be pulled to move out of the sandwich layer, so that the fence assembly is lifted from the edge of the cavity of the storage table, thereby increasing the depth of the cavity of the storage table. When the lifting support is moved downward and close to the storage table, the fence assembly can be pulled to move into the sandwich layer, so that the fence assembly is lowered from the edge of the cavity of the storage table, thereby reducing the depth of the cavity of the storage table. The exhibition stand has adjustable cavity depth and good versatility.

The invention provides neodymium-containing high-corrosion-resistance laser cladding powder for a mining hydraulic oil cylinder and a cladding method, the neodymium-containing high-corrosion-resistance laser cladding powder comprises Nd2O3 powder and alloy powder, the mass percent of the Nd2O3 powder is 0.4%-1.0%, and the balance is the alloy powder; the alloy powder comprises the following components in percentage by mass: 19.2%-20.8% of Cr, 4.0%-8.0% of Ni, 0.3%-0.75% of Mn, 4.5%-8.5% of Mo, 0.04%-0.08% of C, 1.35%-1.52% of Si and the balance of Fe. In an inert atmosphere, the neodymium-containing high-corrosion-resistance laser cladding powder for the mining hydraulic oil cylinder is used for carrying out laser cladding on the outer surface of the mining hydraulic oil cylinder. The cladding method also has the advantages of moderate hardness, good wear resistance, strong purification capability and low hot crack sensitivity on the premise of ensuring that the cladding layer has better corrosion resistance.

The utility model discloses a shallow cup buffering hinge and a wooden door and an aluminum frame door with the same, and relates to the technical field of door hinges, the shallow cup buffering hinge comprises a hinge main body, and a damping air cylinder is arranged on the hinge main body; a U-shaped pin shaft is arranged on a cup cavity of the hinge cup; a rocker arm; the linkage piece comprises a first linkage part and a second linkage part, and an included angle formed between the first linkage part and the second linkage part is a right angle or an acute angle; when the hinge cup rotates and shrinks, the damping air cylinder can keep the buffering and damping effect on the second linkage part of the linkage piece, the cup cavity of the hinge cup covers the rocker arm and the first linkage part, and due to the design that the first linkage part and the second linkage part of the linkage piece form an included angle, the rocker arm and the first linkage part can be in a vertical state, so that the occupied space is reduced; therefore, the cup cavity does not need to adopt a deep inner cavity design, equivalently, the depth of the cup cavity can be reduced, and the hinge cup can adopt a shallow cup body design to meet the requirement of a thinner door plate.