79results about How to "Average distribution" patented technology

The invention discloses an agricultural smashing machine. The agricultural smashing machine comprises a driving unit, a crankshaft, N connecting pieces, N connecting rods, N striking pieces and a box; the driving unit is connected with the crankshaft in a transmission manner to drive the crankshaft to rotate; the crankshaft is horizontally arranged and comprises N connecting shaft necks; the N connecting pieces are rotationally connected with the N connecting shaft necks respectively; and one ends of the N connecting rods are rotationally connected with the N connecting pieces. The agricultural smashing machine is good in material processing effect and high in material processing efficiency.

The invention provides a heterogeneous NAND type solid state disk and a method for improving the performance of the heterogeneous NAND type solid state disk. The heterogeneous NAND type solid state disk comprises an SLC (Single Layer Cell) NAND memory chip, further comprises an MLC (Multi Level Cell) NAND memory chip, and further comprises a 3D stack NAND memory chip, thereby being capable of integrating respective advantages and making up respective defects, and wider in application range. Meanwhile, the invention further provides a method for prolonging the endurance life of the heterogeneous NAND type solid state disk. The heterogeneous NAND type solid state disk is specifically adjusted according to service conditions of different parts in a memory, and a refresh cycle of a memory space in the memory can be periodically updated, thus erasing conditions of different regions in the memory can be more averagely distributed, further the service life of the memory is prolonged, and the storage capacity of a device to data is optimized.

The invention discloses a semi-rigid base layer anti-cracking pavement structure and construction method suitable for a high-temperature-difference area. The pavement structure comprises face layers, base layers and pre-cracking cracks. The base layers and the face layer are arranged from bottom to top in sequence, the base layers comprise a lower base layer and an upper base layer, the face layers comprise a lower face layer and an upper face layer, and the lower face layer is arranged above the upper base layer; the base layers are internally provided with a plurality of the pre-cracking cracks, each pre-cracking crack comprises a pre-cut crack, a crack pouring material and a crack attaching material, the crack opening at the upper end of each pre-cut crack of each pre-cracking crack is flush with the upper end face of the upper base layer, the lower end of each pre-cut crack of each pre-cracking crack penetrates through the upper base layer and is arranged in the lower base layer, the crack pouring materials are poured into the pre-cut cracks of the pre-cracking cracks, and the upper end face of the upper base layer is provided with the crack attaching materials tightly attached to the crack openings at the upper end of the pre-cut cracks correspondingly. According to the semi-rigid base layer anti-cracking pavement structure and the construction method suitable for the high-temperature-difference area, cracks generated in the construction and maintenance period and the operation period of the semi-rigid base layers are actively controlled, the expansion rule in the pavement structure is changed, and damage, caused by crack reflection, to pitch pavement can be effectively lowered.

The adhesion method for metal piece and plastic piece includes the steps of providing metal piece and plastic piece with corresponding planes to be adhered, spraying adhesive to the metal plane and adhering the metal surface to the plastic plane.

A method and apparatus for producing a verification of digital circuits is provided. In an exemplary embodiment, a set of Boolean and Integer constraints are derived, and a set of Boolean and Integer stimuli are generated that meet the constraints. These stimuli are then used to verify a digital design, and a verification report is generated. In other example embodiments, a computing apparatus and computer software product are provided. The computer software product containing a set of executable instructions that, when executed, configure the computing apparatus to produce a verification report by the provided methods.

The invention discloses a contact type temperature control device for regulating the temperature by gas and relates to the field of gas temperature regulation. The contact type temperature control device comprises a bottom layer and a temperature sensing layer which are sequentially arranged from bottom to top, wherein a supporting outer frame is arranged between the bottom layer and the temperature sensing layer; a gas chamber is formed by spaces inside the bottom layer, the supporting outer frame and the temperature sensing layer; at least forty support members are arranged inside the gas chamber; all the support members are distributed at the top of the bottom layer in a disperse way; the sum of cross section areas of all the support members is 50-70 percent that of the gas chamber; the height of each support member is identical with the thickness of the supporting outer frame; at least one gas inlet and at least one gas outlet are formed in the wall of the supporting outer frame; a temperature regulating device is arranged in the at least one gas inlet and is provided with a fan for introducing gas. The contact type temperature control device disclosed by the invention has the advantages of better temperature regulating effect, convenience for use of people, safety and environment friendliness for use and wide application range.

An energy pulse clamping semiconductor diode (16) includes a substrate (20) having carriers of a first type of conductivity in a first, high concentration level (e.g. n++), a first major face and a second major face opposite to the first major face; a layer of semiconductor material (22) having carriers of the first type of conductivity in a second concentration level lower than the first level (e.g. n+), and having an outer surface; a region (26) formed at an outer surface having carriers of a second type of conductivity in a third concentration level (e.g. p+); at least one cell having carriers of the second type of conductivity in a fourth concentration level greater than the third concentration level (e.g. p++); a cathode electrode (30) and an anode electrode (28). The diode is most preferably included in an overvoltage protection circuit including a PPTC resistor in series with the cathode electrode and thermally coupled to the diode.

The embodiment of the invention discloses a bullet screen display method and device during video playing and electronic equipment. The method provided by the embodiment of the invention comprises thefollowing steps: acquiring a barrage sent by a user in a target video live broadcasting room during target video live broadcasting, and recording the time of the barrage sent by the user in the targetvideo live broadcasting room; when the live video of the target video is stored, storing a barrage sent by a user in a target video live broadcasting room; when the user plays back the stored live video of the target video, filtering the barrage sent by the user in the target video live broadcasting room according to a preset barrage filtering condition to obtain a filtered barrage; and extracting barrages from the filtering barrages according to a preset condition for display, so that the total number of barrages which are averagely distributed per minute is the same when a video of the target live video is played. According to the embodiment of the invention, the bullet screen information can be prevented from being lost, the bullet screen information can be filtered, the effective bullet screen can be stored, the storage space can also be saved, and in addition, the bullet screen is averagely extracted according to time when being extracted, so that the bullet screen distribution is more average.

The invention discloses a weighted fractional Fourier transform time domain two-component signal interleaving transmission method, and belongs to the technical field of wireless communication. According to the invention, the problem of poor channel fading resistance of the existing single carrier communication method is solved. The invention designs a signal transmission method of an extended transform domain for an existing single carrier communication system, and an energy averaged signal form is formed for communication transmission by interleaving two component signals of a time domain. Because the energy of a single symbol and other multiple symbols are mixed and expanded in the process, an effect of relatively more uniformly distributing the signal energy in a time-frequency plane isachieved, the energy loss caused by channel fading is averaged to multiple symbols, the probability of distortion of a high-power signal is greatly reduced, the bit error rate under a fading channelis effectively reduced, and the reliability of the system is improved. The present invention can be applied to the technical field of wireless communications.

The invention provides a time-domain temperature difference power supply system. The time-domain temperature difference power supply system comprises a temperature difference power generation chip, a temperature storage body and a power supply end, wherein the temperature difference power generation chip comprises a first surface and a second surface, the first surface of the temperature difference power generation chip is in contact with the temperature storage body, the temperature storage body contains a substance with high specific heat, the temperature difference power generation chip is used for outputting generated electric energy to the power supply end, and a hot source of the temperature storage body is an environmental medium. With the change of temperature difference of the environmental medium, the temperature of a surface of the temperature difference power generation chip is constantly changed, the temperature change of the other surface of the temperature difference power generation chip is relatively delayed by the temperature storage body, and thus, the purpose that the temperature difference power generation chip works by means of the temperature of the environmental medium.

The invention relates to a device and a method for measuring distribution of proppants in rock strata. The device is characterized by comprising a cylindrical shell with the upper end open, an end cover, a control and processing device, a plurality of hollow supporting bodies with two ends open and fluxgate sensor mounting seats as many as the hollow supporting bodies. The end cover is fixedly arranged at the top of the shell, at least three connecting holes communicated with the inside of the shell are formed in the top of the end cover at intervals, the supporting bodies are arranged on the outer side face of the shell circumferentially and longitudinally at intervals, one fluxgate sensor mounting seat is fixedly arranged inside every supporting body, a plurality of fluxgate sensors are fixedly arranged in every fluxgate sensor mounting seat, and every fluxgate sensor is connected with the control and processing device. The device and the method for measuring distribution of the proppants in the rock strata can be widely applied to measurement of distribution conditions of the proppants in the rock strata.

The invention relates to the optical detection field, and discloses a Raman spectrum test probe. The Raman spectrum test probe comprises a substrate and a plurality of array nano metal columns, wherein the substrate test surface is a polished surface, and the array nano metal columns are arranged on the polished surface; the top of each of the array nano metal columns is of a tapered needle tip structure. The invention also discloses a method for manufacturing the Raman spectrum test probe. The method comprises the technological procedures of polishing, coating, masking, etching, corroding and mask removing, and the manufacturing cost is low. The TERS (Tip-enhanced Raman spectrum) technology-based Raman spectrum test probe provided by the invention is simple in structure, and in comparison with a probe with a single tip, the Raman spectrum test probe has bigger detection area and can be coupled with laser more conveniently; photolithographic mask and metal corrosion technologies are used for manufacturing the Raman spectrum test probe, so that the manufacturing cost is low, the shape of the array nano metal columns with tip structures is easy to control, and the distribution of the array nano metal columns is regular.

The invention discloses a novel automatic plate shearing machine. The novel automatic plate shearing machine comprises lower stand columns, a base, a lower cutter and an upper cutter, the lower standcolumns are welded to the lower portion of the base, a lower bottom plate is welded between the lower stand columns, the upper portion of the base is connected with upper stand columns, an upper top plate is arranged above the upper stand columns, a mechanism used for cutting is arranged on the upper top plate, a feeding roller and a feeding belt are arranged on the front half portion of the base,a discharging roller and a discharging belt are arranged on the rear half portion of the base, the lower cutter is mounted in the middle of the base, a sheave mechanism is arranged at the left end ofthe base, a large pulley, a small pulley and a synchronous conveying belt are arranged at the right end of the base, and a receiving device is arranged behind the base. According to the design scheme, automatic cutting production of the equal-width plates is achieved, manpower and production time are greatly saved, production efficiency is improved, the width of the sheared plates is convenientlyadjusted, workpieces can be prevented from being damaged due to large impact during material receiving, and the advantages of being stable in transmission process and cutting process and the like areachieved.

A preparation method of a porous oil-containing lubrication material using UHMWPE as a matrix comprises the steps that 70-90 parts of the UHMWPE, 1-20 parts of polytetrafluoroethylene and 1-10 parts of a solid lubricant are stirred and mixed; then, the mixed powder is subjected to press forming and sintering treatment; the sintered and formed material is subjected to vacuum oiled immersion.The prepared thermoplastic polyethylene porous oil-containing material having ultra-high molecular weight internally has a rich porous structure, can continuously and stably provide lubricating oil in a working state and has abrasion resistance, impact resistance, chemical corrosion resistance, low temperature resistance and other excellent performances.Oil can be continuously supplied to a mechanical friction pair, and a practical effect is good.

The embodiment of the invention discloses a data storage and query method and an Internet of Things system. According to the technical scheme provided by the embodiment of the invention, the operationis simple; According to the technical scheme, data in the Internet of Things are stored in different data tables, the traversing range of a system in the query or control operation process is narrowed, the read-write speed of a database is increased, and meanwhile the equipment information and the monitoring data are written into the data tables according to the relation between the equipment IDand the data tables; Due to the fact that the device ID is unique, each device can be mapped into different tables through a certain rule. And even if new equipment is continuously accessed subsequently, the equipment can be randomly and averagely distributed in each data table. Moreover, according to the technical scheme provided by the embodiment of the invention, the number of the equipment does not need to be recorded in the information sensing equipment in advance, so that the development efficiency is improved.

The invention discloses a porous and micropore combined throttling gas static pressure turning electric spindle which comprises a gas floating supporting assembly, wherein the gas floating supporting assembly comprises a rotating shaft, the rotating shaft is sequentially provided with a rotating shaft axial supporting section, a rotating shaft radial first supporting section and a rotating shaft radial second supporting section in the direction from one end to the other end of the rotating shaft, and axial throttlers are arranged on the two sides of the rotating shaft axial supporting section; radial throttlers are arranged on the rotating shaft radial first supporting section and the rotating shaft radial second supporting section; a plurality of annular gas supply grooves are formed in the outer side of the axial throttler in the axial direction and the outer side of the radial throttler in the radial direction, a plurality of transition gas supply holes are formed in at least one gas supply groove, and throttling micropores are formed in the transition gas supply holes. According to the scheme, through the combined throttling effect of the inherent tiny holes of the porous material and the additionally-formed throttling micropores, a supporting gas film can obtain large bearing capacity and rigidity, and the static and dynamic characteristics of a turning spindle are improved.

The invention relates to a fertilizer applicator which comprises a main frame, an auxiliary frame and a sliding rail. The auxiliary frame is arranged in the main frame, and the sliding rail is arranged at the bottom of the main frame. The bottom of the auxiliary frame is rectangular, clips are arranged, a rotary shaft is arranged at the bottom of the auxiliary frame and penetrates through a baffle arranged in a roller and the rear end face of the roller, flutter boards are evenly arranged on the surface of the roller, and water inlets are formed in the positions, close to the center of the roller, of the flutter boards. A small clamping wheel is arranged on the rear end face of the rotary shaft, a fertilizer cutting box is arranged below a feeding hopper, a center shaft is arranged in the fertilizer cutting box, blocking sheets are evenly arranged on the surface of the center shaft, a large clamping wheel is arranged on the rear end face of the center shaft, and the top of the auxiliary frame extends towards the front edge and the rear edge to be provided with a platform. Bolts are arranged on the platform and penetrate through the top of the main frame to be buckled with nuts. Due to the design of the fertilizer cutting box, fertilizer dividing is more even, and fertilizer can be fully dissolved in irrigation water; due to the design of the roller, the roller operates along with movement of water flow, manual operation is not needed, and safety and environment friendliness are achieved; due to the design of the fertilizer cutting box, the fertilizer is evenly cut out, and full dissolving is guaranteed.

The invention discloses a method for welding a compressor shell. The method comprises the following steps: a cover body of a compressor is connected to one end of a main shell in a lap joint mode; the main shell and the cover body define a central axis; the included angle between the central axis of the main shell and the cover body and the horizontal plane ranges from 10 degrees to 80 degrees; the main shell and the cover body rotate along the central axis; and the welding gun is arranged at the position above a lap joint of the main shell and the cover body, and welds the lap joint of the main shell and the cover body, so that the main shell and the cover body are welded to be combined. Therefore, molten metal can be guided not to be deflected, and can be uniformly distributed at a preset position.

The invention relates to the technical field of kits, and discloses a medical examination kit convenient to use. The medical examination kit comprises a test tube, two shells, supporting plates, first clamping plates and second clamping plates, wherein the test tube is used for containing an examination reagent; the two shells are connected through a connecting plate, cover plates are fixedly installed at the tops of the two shells, and bottom plates are fixedly installed at the bottoms of the two shells; the supporting plates are arranged inside the shells in an up-down moving mode and used for supporting the bottom of the test tube; and the first clamping plates and the second clamping plates are symmetrically arranged inside the shells and used for clamping the outer wall of the test tube. The test tube is pressed downwards to drive the supporting plates and a movable frame to move downwards, the movable frame moves downwards to drive a transmission gear to rotate through a driving rack, the transmission gear rotates to enable the first clamping plates and the second clamping plates to get close to each other through transmission, the first clamping plates and the second clamping plates get close to each other to just clamp the two sides of the test tube, and therefore the position of the test tube is fixed, the test tube is prevented from toppling or shaking, and installation is more stable.

The invention discloses vertical grouting flue manufacturing equipment. The equipment comprises a movable die group, inner cavity dies and a grouting platform, wherein separating plates are arranged in the die group and separate the die group into a plurality of die cavities; an inner cavity die hole and four grouting holes are formed on the top of each die cavity; a separating cavity is formed between every two adjacent die cavities and comprises a separating plate adjusting device for adjusting the sizes of the die cavities; each inner cavity die comprises a vibrating motor, a punching device and a mesh fixing device; the grouting platform comprises a grouting vehicle; and a slurry outlet is formed at the bottom of the grouting vehicle and connected with a grouting hose. The vibrating motor, the punching device and the mesh fixing device are arranged in each inner cavity die, so that flues are simply manufactured, and the operation intensity and labor intensity of workers are greatly reduced; and the flues are formed at one time when produced, a plurality of flues can be produced in each batch, yield is improved, production efficiency is greatly improved, raw and auxiliary materials can be saved, wastes are reduced, and production land is saved.

The invention relates to a method and system for production of a structural component with a waste composite material. The method includes: (1) crushing the waste composite material and separating resin glass fiber powder and light material powder with a density less than that of the resin glass fiber powder, then activating the resin glass fiber powder, and performing mixing with resin, short glass fiber, an initiator, a mould release agent and filler to prepare a bulk mixture; (2) depositing the bulk mixture on the surface of a polyethylene film to form a material film, subjecting the material film and chopped glass fiber filaments to rolling to form a sandwich mixture with a material film-chopped glass fiber filament-material film structure, and further performing rolling to form a flake mixture; and (3) conducting compression molding to prepare the flake mixture into the structural component. Compared with the prior art, the system provided by the invention has the advantages of ingenious design, simple structure and high automation degree, improves the material utilization, and provides a new idea for reutilization of waste composite materials.

The invention provides a low-depth whole-genome gene copy number variation detection method and system. The method comprises the following steps: comparing a to-be-detected sample to a genome according to a control sample; counting data blocks on the genome and the data volume of each data block; calculating the similarity of two adjacent data blocks, performing aggregating if the two adjacent data blocks are similar, and carrying out loop iteration until all the data blocks on the genome cannot be aggregated again; calculating ratio values of the to-be-detected sample and the control sample of each data block, and finding out abnormal data blocks, namely candidate gene copy number variation, according to a preset normal value range. The system comprises a data preprocessing module, a datastatistics module, a data aggregation module and a gene copy number variation determination module which are connected in sequence. Through the low-depth whole-genome gene copy number variation detection method and system, the problems that the accuracy is too low and the timeliness is low are solved.

The invention relates to a burner for a gas stove. The burner comprises a burner body provided with at least two gas chambers, a gas pipe communicating with the gas chambers, and a mesh type fire cover covering the opening part of the burner body; the burner is characterized in that the at least two gas chambers are sequentially distributed from the center to the periphery at an interval, and an air chamber is formed in the interval; the burner further comprises an air pipe; and the air pipe communicates with the air chamber. Compared with the prior art, the burner has the following advantages: the burner enables flames to be uniformly scattered on the mesh type fire cover to form short flames; and the flames are unlikely to jump to improve the combustion efficiency, so that the gas is enabled to be distributed at all parts of the gas chambers more uniformly on one hand to enable the flow rate of gas reaching a fire hole to be more uniform.

The invention discloses a high-efficiency energy storage heat exchanger, which comprises a cylindrical shell, a core tube is installed in the shell, the core tube includes two tube plates, and a tube plate arranged between the two tube plates Multi-layer tube bundle layer; the multi-layer tube bundle layer is generally in the shape of a cylinder with a gradually decreasing inner diameter, and each tube bundle layer includes a plurality of heat exchange tubes with the same structure and spirally wound sequentially around the center of the cylinder; The spiral direction of the heat exchange tubes in the two adjacent tube bundle layers is opposite; the filter device is provided on the outside of the tube plate in the direction of the fluid inlet of the heat exchange tube; Shell side fluid inlet. The heat exchange tube bundle in the core tube of the heat exchanger is small in diameter and spirally arranged, effectively increasing the heat exchange area and improving the heat exchange efficiency, and a filter device is also installed at the inlet and outlet of the tube bundle to prevent possible blockage in the fluid Impurities in the tube bundle are filtered in time to prevent impurities from clogging the tube bundle.

A forming method for dynamic grating fringe provides base materials with polishing surface located with multiple reflection areas. Then it is to provide a laser and to let laser shoot on the reflection areas of base materials and forms a grating fringe after intervention.

The invention relates to the field of mop processing, in particular to a dedusting and carding device capable of achieving in-line arrangement of mop strips. The technical problem to be solved is to provide the dedusting and carding device capable of achieving in-line arrangement of the mop strips. According to the technical scheme, the dedusting and carding device capable of achieving in-line arrangement of the mop strips comprises a main frame, a control screen, a transmission system, an extruding and cutting system and a smoothing system; the transmission system is connected with the main frame; the extruding and cutting system is connected with the main frame, and the extruding and cutting system is connected with the transmission system; and the smoothing system is connected with the main frame, and the smoothing system is connected with the transmission system. According to the dedusting and carding device capable of achieving in-line arrangement of the mop strips, the mop strips are wetted, the disordered mop strips are smoothened, dust on the mop strips is removed, water on the mop strips is removed, the mop strips are cut to be equal in length, the mop strips which are arranged in line are obtained, and the effects that manual mop strip treatment is replaced, and efficiency is improved can be achieved.

The invention belongs to the technical field of glass etching, and discloses glass frosting liquid with an AG effect as well as preparation and application of the glass frosting liquid. The frosting liquid comprises the following components in percentage by weight: 25-30% of fluoride, 25-30% of acid, 12-16% of inorganic salt and the balance of water. According to the AG glass treated by the frosting liquid, surface crystals are regularly distributed, the roughness is 0.8-1.5 microns, the haze is greater than 60%, the light transmittance is greater than 80%, and the micromorphology is large maple-leaf-shaped microcrystal particles and is a microcrystal form obviously different from that of other existing products on the market; correspondingly, different visual effects are presented macroscopically, and the texture is similar to that of leather; different from the microcosmic polyhedral form of AG glass prepared from the flashing sand frosting liquid in the market, the AG glass treated by the frosting liquid disclosed by the invention has the advantages of smaller roughness, better anti-falling performance, low haze and higher glass permeability.

A preparation method of a porous oil-containing lubrication material using UHMWPE as a matrix comprises the steps that 70-90 parts of the UHMWPE, 1-20 parts of polytetrafluoroethylene and 1-10 parts of a solid lubricant are stirred and mixed; then, the mixed powder is subjected to press forming and sintering treatment; the sintered and formed material is subjected to vacuum oiled immersion.The prepared thermoplastic polyethylene porous oil-containing material having ultra-high molecular weight internally has a rich porous structure, can continuously and stably provide lubricating oil in a working state and has abrasion resistance, impact resistance, chemical corrosion resistance, low temperature resistance and other excellent performances.Oil can be continuously supplied to a mechanical friction pair, and a practical effect is good.

The invention provides large mica tube production equipment, and belongs to the technical field of insulating material preparation. The equipment comprises a rack, a driving motor, a heating plate and a pipe die, the pipe die comprises an upper die piece and a lower die piece, the upper die piece and the lower die piece are detachably connected through several connecting pieces, a die cavity is formed between the upper die piece and the lower die piece, the pipe die is located on the heating plate, an air hole coaxial with the die cavity is formed in the lower die piece, the two ends of the lower die piece are connected with the rack through bearings correspondingly, and the driving motor can drive the lower die piece to rotate. The equipment has the advantages that a prepared mica tube is better in insulating property and the like.