46results about How to "Controllable depth" patented technology

A method for using laser to premachine the cracking slots before dividing connecting rods from each other includes such steps as fixing the laser cutting head above the position to be machined, which is near the hole on big end of connecting rod, regulating the incident angle of laser beam to 0-70 deg.C, turning on laser device, vertically moving the laser cutting head to machine the cracking slot to predefined depth, and repeating said steps to machine another cracking slot at another end of aconnecting rod.

The invention discloses ad-hoc network communication methods and an ad-hoc network communication system. The ad-hoc network communication system comprises a plurality of wireless nodes for networking,a communication base station and a cloud server. Single-hop information transmission is carried out among the wireless nodes. When the wireless nodes are located in a communication radius range R ofthe communication base station, the wireless nodes in the communication radius range R transmit information to the cloud server wirelessly through utilization of the base station, the information is returned through utilization of the cloud server, and the information is transmitted among the wireless nodes, so ad-hoc network communication is realized. Networking is carried out among the wirelessnodes through adoption of an improved destination sequenced distance vector routing (DSDV) protocol. The main improvement comprises the fact that a conventional destination sequenced distance vector routing (DSDV) protocol is combined with establishment of a multi-tree topology to carry out the networking, and the nodes exchange information with adjacent nodes through utilization of a routing information protocol (RIP). A method comprises the following steps of carrying out initialization; establishing routes among the nodes; and allocating priorities. A route with a higher transmission priority is preferentially selected for data transmission. The networking communication is realized.

The invention discloses a method for surface laser-etching of a ceramic product. The method comprises the steps as follows: firstly, the ceramic product is preprocessed, the chromaticity, the glossiness and the roughness of the surface of the ceramic product are guaranteed to meet the design requirements; then laser etching is performed on the surface of the ceramic product, and patterns on the surface of the ceramic product are designed through computer programming; then laser carving is performed on the surface of the ceramic product by using a laser system; the patterns are controlled by a computer, so that three-dimensional concave-convex patterns are formed on the surface of the ceramic product. According to the method, the surface of the ceramic product is etched and processed with laser, high-temperature heat produced by laser beams instantly gasifies the surface of the ceramic product; the patterns are controlled by the computer, so that the concave-convex patterns having a three-dimensional effect are formed on the surface of the ceramic product. At the same time, the invention further provides the ceramic product subjected to surface laser etching processing with the method.

The invention discloses a pipe hot medium internal pressure forming method based on molten glass, and relates to a metal pipe forming method. The problems that according to existing hot medium internal high pressure forming methods, the heating speed is low, heat conducting coefficients are low, sealing is difficult, and forming pressure only can reach about 0-50MPa are solved. The method comprises the steps that 1, a pipe internal high pressure forming temperature interval is determined according to the pipe variety; 2, according to the pipe internal high pressure forming temperature, glass materials are selected; 3, a pipe to be formed is preheated; 4, a pipe blank is vertically placed into a forming die, and die closing and sealing are carried out; 5, the glass materials are heated to obtain molten glass; 6, the glass media are injected into the sealed pipe blank; 7, the pipe blank is heated to internal high pressure forming temperature under high-temperature filling; and 8, material supplementing is carried out; and 9, pressure maintaining is carried out, the molten glass flows out through an overflow valve, die opening is carried out, and the formed deformed-section pipe partis obtained. The pipe hot medium internal pressure forming method is used in the field of internal high pressure forming.

The invention relates to a method for manufacturing a word line connection zone of a three-dimensional storage and the three-dimensional storage. The method includes steps of providing a semiconductorstructure, wherein the semiconductor structure is provided with a substrate, a stacking layer covering the substrate and a rigid mask layer covering the stacking layer and the stacking layer includesmultiple first material layers and multiple second material layers stacked in an alternating manner; patterning the rigid mask layer so as to form a plurality of openings, wherein the stacking layeris exposed from the openings; forming multiple contact holes in the stacking layer through the openings, wherein the contact holes reach the first material layers of different preset depth separately;forming an insulation layer on the side wall of each contact hole; and forming a plurality of conducting layer among the second material layers and forming a contact part in each contact hole. According to the invention, defects due to offset of the contact parts from corresponding step structures can be avoided.

The invention relates to an invisible appliance with a pressure accessory and a making method thereof. The method consists of: acquiring a digital dental model of a patient; selecting a current dental crown, selecting an area needing to install accessory, and refining triangular meshes of the selected area; selecting an accessory cover area in the mesh refined selected area, and making all the triangular meshes in the accessory covered area deviate to the inside of the dental crown by an equal distance so as to obtain a uniform depth accessory cavity concave into the dental crown; and moulding the digital dental model into an entity dental model hot-press film, thus obtaining the invisible appliance. The invisible appliance with the virtual accessory includes a body, the tooth positions of the body and the of a patient are in one-to-one correspondence, several tooth positions of the body have bulges, the tooth positions with bulges match with the patient's dentural teeth needing the pressure accessory, in the direction from the tooth crest to the tooth root, the bulges have uniform thickness. The accessory equipped invisible appliance provided by the invention can provide accurate orthodontic force.

The invention discloses a sampling device for geological mud flat environment detection and mainly relates to the field of geological environment devices. The sampling device comprises a barrel, a window plate, a drill bit and a sampling disc, wherein a sampling window is formed in the barrel and matched with the window plate for use, a vertical first rotating shaft and a guide rail sleeve are arranged in the barrel, a lifting sleeve in lifting connection with the guide rail sleeve is arranged on the guide rail sleeve, the sampling disc is detachably connected with the lifting sleeve, the first rotating shaft is electrically driven, the bottom end of the first rotating shaft is in transmission with a drill spindle of the drill bit through a gear, and the drill bit is arranged below the barrel. The sampling device has the beneficial effects that a reconnaissance worker can be assisted in obtaining samples at multiple depths simply and efficiently, purity of the obtained samples is improved substantially, a detection result is in accordance with a real condition, and accurate deposition data can be obtained.

The invention discloses a surface chemical etching method of a ceramic material product. The method comprises the steps that a ceramic material is pretreated, so that the chroma, glossiness and roughness of the surface of the ceramic material meet requirements; the surface of the pretreated ceramic material product is coated with a corrosion-resistant protective film, and soaked and etched in an acid solution; the etched ceramic material product is cleaned; the protective film is removed; and drying is performed. The method can achieve high-quality and high-efficiency surface etching on various hard ceramic materials; the etching quality is far better than the traditional technology; concave and convex are not limited; the depth is controllable; the third dimension is strong; the glossiness, roughness and chroma of the surface are controllable; various art fonts and any patterns can be etched; panels in different chroma can be etched; the operation is simple; and the generality is high. The invention further discloses the ceramic material product adopting the etching method for surface processing.

The invention relates to a salt-bath furnace quenching method for teeth of a chain wheel. The method comprises the following steps of (1) placing a mixture containing BaCl2 and KCl in an intermediate-temperature salt-bath furnace for heating, wherein based on the total amount of 100 parts, the mixture contains 65 to 75 parts by weight of BaCl2 and 25 to 35 parts by weight of KCl, the mixture is heated to be completely melted at the heating temperature of 720 to 940 DEG C, and the melted mixture is the melt of a salt bath; (2) placing the teeth of the chain wheel in the salt bath for heating, wherein the heating temperature of the salt bath is 900 to 920 DEG C, and the heating time is set to be 26 to 30 seconds per millimeter of the tooth thickness of the chain wheel; (3) performing rapid quenching by utilizing a quenching medium after heating and heat preservation; (4) performing tempering heat preservation for 3.5 to 4.5 hours after quenching, and after heat preservation, discharging the teeth of the chain wheel out of the furnace, and air-cooling the teeth. According to the method, a salt-bath furnace quenching process for the teeth of the chain wheel is adopted, so that the hardened layer depth can reach more than 12mm; moreover, hardened layers with different depths can be obtained by regulating the heating time of the salt-bath furnace; the salt-bath furnace quenching process is high in the heating speed and convenient to operate, a workpiece is difficult to oxidize and decarburize, and the temperature is easy to control.

The invention provides a method for orchard deep fertilization by using straw fiber fertilizer pipes, belongs to the technical field of straw comprehensive utilization technology and fertilization technology integration, and mainly solves the problem of surface fertilization of an orchard in the prior art. The method includes four steps that soil testing is conducted, the straw fiber fertilizer pipes in which a fertilizer is mixed are prepared, the fertilizer pipes are inserted into pre-drilled fertilization holes, wherein the distribution, number and depth of the fertilization holes are changed according to the age of trees, and the depth of the fertilization holes is 300-600 mm; the corresponding fertilizer pipes are matched with the fertilization holes, various nutrients can be added into hollow straw long fiber rods to prepare fertilizer rods to be inserted into the corresponding fertilization holes, the fertilizer rods need to be arranged in the annular band of water dripping of tree crown, and finally, reasonable hole fertilization and irrigation are conducted. The method achieves the effect of efficient use of water and fertilizers, and provides the technical support for development of fruit industries in arid regions.

The invention provides a transparent conductive electrode with a concave structure and a preparation method thereof, wherein the transparent conductive electrode comprises a conductive nanofiber and asubstrate, the conductive nanofiber is recessed on a surface of the substrate, and the substrate is a transparent substrate. The preparation method comprises steps that the composite nanofiber is firstly spun, and then the composite nanofiber is sunk into the substrate under the action of heat and gravity, thereby obtaining the transparent electrode with the concave structure. According to the technical scheme of the present invention, the obtained transparent conductive electrode has excellent visible light transmittance, conductivity and flexibility, and has a wide range of applications; and the cost is low, the process is simple, and the repeatability is good.

The invention discloses a chained ditching loosener which comprises a rack, a connecting rack, a gearbox and a ditching loosening device. The ditching loosening device comprises a driving shaft and a driven shaft which are rotationally erected on the rack; two chain wheels are arranged on the driving shaft at an interval in a sleeving manner; two guide wheels are arranged on the driven shaft at an interval in a sleeving manner; the two chain wheels and the two guide wheels respectively correspond to one another on a longitudinal surface; annular chains are arranged on two groups of chain wheels and guide wheels which respectively correspond to one another; the driving shaft is in transmission connection with a power output shaft of the gearbox; a plurality of ditching loosening cutters are arranged between the two annular chains. According to the chained ditching loosener disclosed by the invention, the rack is connected to a locomotive by virtue of the connecting rack so as to obtain traction force; meanwhile, large-torque rotating force is obtained to drive the ditching loosening device by virtue of the gearbox, and automatic ditching loosening of the land is realized; and moreover, the ditching width is reasonable, the depth is controllable, the working efficiency is high, and the input of labor force is greatly reduced.

The invention relates to a 3D memory word line connecting zone making method and a 3D memory; the method comprises the following steps: providing a semiconductor structure that comprises a substrate,a stack layer covering the substrate and a hard mask layer covering the stack layer, wherein the stack layer comprises a plurality of first material layers and second material layers alternatively stacked; patterning the hard mask layer so as to form a plurality of openings the expose the stack layer; forming a plurality of contact holes in the stack layer via the plurality of openings, wherein each of the contact holes respectively reaches the first material layers at a self-configured depth; forming an insulation layer on the side wall of each of the contact holes; filling the insulation layer of the contact holes with a protection layer; replacing the first material layers in the stack layer with a conductive layer; forming a contact portion in each of the contact holes. The method canremove the etching defects of the word line connecting zone, and can solve the contact portion aligning problem.

The invention discloses a drug carrying acupuncture needlefor activating blood circulation to dissipate blood stasis. The drug carrying acupuncture needle comprises a needle tube body; a needle head internally provided with a infusion channel is arranged at the lower end of the needle tube body in a penetrating mode; a first fixing block fixed to the lower end face of a movable cavity is arrangedon the needle head in a sleeving mode; a second fixing block fixed to the inner wall of the lower portion of the needle tube body is arranged under the first fixing block; flexible pieces are mountedon the first fixing block and the second fixing block in a sleeving mode; the movable cavity is in sliding connection with the inner wall of the needle tube body; positioning grooves are formed in theleft and right sides of the needle tube body; the positioning grooves are internally provided with positioning columns which are clamped with the positioning grooves and fixed to the outer wall of the movable cavity; the upper end of the needle head extends into the movable cavity and then is fixed to a cone-shaped tube; the upper end face of the cone-shaped tube is fixed to a sliding block; thesliding block is in sliding connection with the movable cavity; an acrocephalia piercing portion is arranged on the surface of the sliding block; a plurality of second though holes are evenly formed along the outer circumference of the piercing portion; a third through hole is formed in the upper surface of the movable cavity; the third through hole is internally provided with a medicine storing cavity in a penetrating mode; a connecting rod is arranged above the medicine storing cavity; a push handle is arranged at the upper end of the connecting rod; and a moxibustion box is further arrangedon the lower portion of the needle tube body in a sleeving mode. The drug carrying acupuncture needle is excellent in practicability and worth being popularized.

The invention discloses a drug carrying acupuncture needlefor activating blood circulation to dissipate blood stasis. The drug carrying acupuncture needle comprises a needle tube body; a needle head internally provided with a infusion channel is arranged at the lower end of the needle tube body in a penetrating mode; a first fixing block fixed to the lower end face of a movable cavity is arrangedon the needle head in a sleeving mode; a second fixing block fixed to the inner wall of the lower portion of the needle tube body is arranged under the first fixing block; flexible pieces are mountedon the first fixing block and the second fixing block in a sleeving mode; the movable cavity is in sliding connection with the inner wall of the needle tube body; positioning grooves are formed in theleft and right sides of the needle tube body; the positioning grooves are internally provided with positioning columns which are clamped with the positioning grooves and fixed to the outer wall of the movable cavity; the upper end of the needle head extends into the movable cavity and then is fixed to a cone-shaped tube; the upper end face of the cone-shaped tube is fixed to a sliding block; thesliding block is in sliding connection with the movable cavity; an acrocephalia piercing portion is arranged on the surface of the sliding block; a plurality of second though holes are evenly formed along the outer circumference of the piercing portion; a third through hole is formed in the upper surface of the movable cavity; the third through hole is internally provided with a medicine storing cavity in a penetrating mode; a connecting rod is arranged above the medicine storing cavity; a push handle is arranged at the upper end of the connecting rod; and a moxibustion box is further arrangedon the lower portion of the needle tube body in a sleeving mode. The drug carrying acupuncture needle is excellent in practicability and worth being popularized.

The invention discloses a river channel dredging device and a construction method using the device. The device comprises a ship body and a water suction pipe, a connecting piece is fixedly arranged atthe top of one side of the ship body, the top end of the water suction pipe communicates with a connecting pipe, and the connecting pipe and the connecting piece are connected through a limiting mechanism. According to the device, the water suction pipe, an external underwater pipeline, a water pipeline and a land pipeline are matched, cut water grass, duckweed and the like are discharged to theoutside, the water is filtered and then conveyed to the original position, and the collection efficiency of the cut water grass and the duckweed is improved through a fishing net. Through the device,dredging is achieved, the water grass, the duckweed and the like can also be removed, the utilization rate of resources is improved, and practicability is enhanced.

The invention discloses a field effect diode and a manufacturing method therefor. The field effect diode comprises a substrate, a channel layer located on the substrate, a first barrier layer located on the channel layer, an etching blocking layer located on the first barrier layer, a second barrier layer located on the etching blocking layer, a mask layer located on the second barrier layer, a groove located between the second barrier layer and the mask layer, a negative electrode located on the second barrier layer, and a positive electrode composed of Schottky electrodes located inside and outside the groove and a positive electrode ohmic contact electrode located on the second barrier layer in short circuit connection. The field effect diode has advantages of low forward cut-in voltage, low reverse leakage current and high breakdown voltage, the groove etching depth is easy to control, and the manufacturing technology is simple.

The invention provides an explosion-proof power lithium battery cover plate. The cover plate comprises a cover plate body which is arranged horizontally; a boss is upward stamped on the cover plate body, and comprises a boss top wall which is horizontally arranged; a boss lateral wall is fixedly connected with the lower side of the periphery of the boss top wall in a closed manner, and is vertically arranged; the lower end of the boss lateral wall is fixedly connected with the cover plate body in a closed manner; and explosion-proof marks are engraved in the boss top wall; the thickness of the boss top wall is less than that of the boss lateral wall, and less than that of the cover plate body; and extrusion strips are arranged on the edge of the boss top wall. The power lithium battery explosion-proof cover plate is of an integrated structure, enables the boss to be molded by adopting a stretching way, and is simple in structure and easy to process. The structure of the cover plate is not provided with explosion-proof holes, do not have liquid leakage, the depth of the explosion-proof marks can be easy to control, and compared with the mode of riveting or soldering an explosion-proof die, the explosion proofing of the cover plate is more stable.

The invention provides a high-avalanche capability power semiconductor transistor structure, which comprises an N-type substrate used as a drain region, wherein an N-type epitaxial layer is arranged on the N-type substrate; P-type strip body regions are arranged on the surface of the N-type epitaxial layer; a heavily doped N-type source region and a heavily doped P-type source region are arranged on the surface of each P-type strip body region; an insulated gate oxidation layer is arranged on the N-type epitaxial layer; conductive polysilicon is arranged on the insulated gate oxidation layer, and is located at the upper part of the region between the adjacent P-type strip body regions and two sides of the conductive polysilicon respectively cover the adjacent P-type strip body regions; an insulated medium layer is arranged on the conductive polysilicon; the heavily doped N-type source regions and the heavily doped N-type source regions are connected with a source metal; the high-avalanche capability power semiconductor transistor structure is characterized in that the P-type strip body regions extend towards the N-type epitaxial layer to form a plurality of P-type arched body regions; and the P-type arched body regions are evenly distributed on the P-type strip body regions and are embedded into the N-type epitaxial layer. According to the high-avalanche capability power semiconductor transistor structure, a preparation method of a traditional power semiconductor transistor is reserved; the avalanche capability is improved; the chip area is reduced; and the cost is relatively low.

The invention relates to the technical field of packaging, and discloses an automatic carton opening device for carton packaging. The automatic carton opening device comprises a shell, wherein a button is fixedly connected to the outer part of the shell, a handle is fixedly connected to the outer part of the shell, a shearing opening is formed in the surface of the shell, a first gear is fixedly connected to the inner part of the shell, a connecting plate is fixedly connected to the outer part of the first gear, and a connecting rod I is movably connected outside the connecting plate. Under the interaction of the shearing opening, the first gear, the connecting plate, a first connecting rod, a second gear, a second connecting rod, a sliding rail, a first detection assembly, a sliding block, a feeler lever, a supporting plate, a U-shaped magnetic plate, an electromagnet, a rotating shaft, a cutting blade and a baffle, the depth of a cutter for people to open a carton package and cut into a carton can be easily controlled, the situation that packaged commodities are damaged due to the fact that the cutter is inserted into the carton too deeply is avoided, the problem that hands are scratched when the cutter is used for opening the package is effectively solved, and the carton package opening process is safer and more efficient.

A bloodletting needle comprises a hollow needle that can be placed subcutaneously; a blood storage container that is communicated with the hollow needle; and an extraction opening that is connected with the blood storage container, and is unidirectional. The extraction opening is opened and air is extracted during air extraction, and the extraction opening is automatically sealed when air extraction is stopped, so that the air pressure in the blood storage container can be kept to be lower than the external low-pressure state. According to the bloodletting needle, a bloodletting system and a bloodletting method, a cupping technology is combined with the hollow needle, the blood storage container and the extraction opening, so that the safe and depth-controllable bloodletting of various muscles including large muscles is achieved.

A preparation method of large-size nanometer ordered orifice template is that a large area ordered pattern is formed on surface of metal aluminium, aluminium alloy or single-crystal aluminium, then the anode oxidation method is used to form large area ordered nanometer orifice template on aluminium or aluminium allog. Single crystal aluminium is used as substrate, and the anode oxidation is directly proceeded. The present invention can produce nanometer orifice template with high-density large area hexagonal symmetrical ordered long orifice and it can also produce ordered nanometer pipe, bar, etc..

The invention provides soil loosening equipment for improving a navel orange planting soil structure, and relates to the field of soil loosening equipment. The soil loosening equipment for improving the navel orange planting soil structure comprises a supporting plate, a sliding groove is formed in the lower portion of the supporting plate, a sliding block is slidably arranged in the sliding groove, an inserting rod is inserted into one end of the sliding block in a penetrating mode, side pieces are distributed on the inserting rod, a rotating shaft is arranged in the middle of the inserting rod, a cam is fixedly connected to the rotating shaft, and the cam makes contact with the arc-shaped faces of the side pieces. The side wall of the upper portion of the inserting rod is fixedly connected with a vibration device, the vibration device comprises a shell, an annular vibration block sliding up and down is arranged in the shell, the vibration block makes close contact with the interior of the shell, an oil inlet channel and an oil outlet channel are symmetrically formed in the vibration block, and a first oil channel and a second oil channel are formed in the two ends of the oil inlet channel; a third oil duct and a fourth oil duct are arranged at two ends of the oil outlet duct; the soil loosening depth can be controlled, and meanwhile damage to root systems is reduced.

The invention discloses a mining method employing sublevel filling during medium-depth holes blasting in stoping accesses. Top-bottom sectionalized drilling drifts in the same stoping access are aligned; vertical medium-depth holes are drilled in the top sectionalized drilling drift during stoping; millisecond blasting is adopted so as to reduce the explosive consumption for one time; periphery holes of the top sectionalized drilling drift and vertical side holes of two sides of the stoping access are subjected to smooth blasting; a local unstable area of a support plate is supported in time, so that the access top plate and the two sides of a mined-out area after blasting are flat and smooth; the phenomenon that large blocks overhang and protruding of the side walls is avoided; meanwhile, small sections and arched support plates are adopted, and broken ores left in the field balance the deformation of the two sides of the mined-out area, so that the ground pressure of the mined-out area is managed in a reasonable and economical way. The powerful safety guarantee is provided for carry-scrapers when the carry-scrapers enter the mined-out area and carry the ores. According to the mining method, the layout is simple and feasible, the operation efficiency is high, and the ratio of drifting meters over mining tonnages and the stoping cost are low. The mining method is easy to popularize in small and medium-sized non-ferrous metal mines.

The invention discloses a submerged plant transplanting culture device under eutrophic water body environmental conditions. The device comprises a bottom plate, wherein a fixed table is arranged on the bottom plate, a control device is arranged at the top of the fixed table, and one end of the control device is connected to a culture box. According to the device, a growth place of a submerged plant is adjusted to a water depth position which does not influence the growth of the submerged plant, the stable growth condition of the submerged plant is ensured, and the effects of purifying water and recovering an ecosystem function of the submerged plant are achieved.