Vernier caliper additionally provided with improved measuring pawls

The invention discloses a vernier caliper additionally provided with an improved measuring pawl. The vernier caliper comprises a main ruler, a depth indicator disposed at one end of the main ruler, a vernier scale which is attached to the main ruler and can slide, and a first inner measuring pawl and a first outer measuring pawl which are fixed on the main ruler and the vernier scale. The first inner measuring pawl is disposed above the main ruler, the first outer measuring pawl is disposed below the main ruler, the improved measuring pawl sleeves the first outer measuring pawl from the bottom to the top, the pawl foot of the improved measuring pawl is provided with a cover plate with a nut hole, and the improved measuring pawl is fixed to the first outer measuring pawl by screwing tight a nut. According to the invention, on the basis of a conventional 0-200 mm universal vernier caliper, an improved inner measuring pawl and an improved outer measuring pawl are adaptively selected and additionally ...

Method and system for positioning insulators and method and system for fault detection

The invention relates to the technical field of image processing of overhead contact lines and discloses a method for positioning insulators. The method specifically includes the following steps that the image of the insulators in a routing inspection line supporting device is shot; description sub-features of the gradient direction histrogram of all parts in the image are matched with an insulator feature library, and a roughly positioned local image is output according to a matching result; the roughly positioned local image is pre-processed; edge lines of the output image are taken, the periodically changed parts in gray waveforms of the edge lines are extracted, and the insulators are accurately positioned through a contour extracting algorithm; the insulators are extracted. The insulators in the image are accurately positioned according to the light and shade spaced periodical change features of the insulators in the image. The method does not depend on light reflection features of ...

Automatic labeling method and device for image feature points

The invention discloses an automatic labeling method for image feature points, and relates to the technical field of vehicle auxiliary driving testing, and the method comprises the steps: creating a labeling task, and carrying out the platform deployment of labeling data; configuring a grounding point tool; constructing a vehicle information database; acquiring a vehicle tire grounding point to obtain pixel coordinate information of the grounding point; calling a vehicle information database according to the vehicle type to query the geometric dimension characteristics of the vehicle; another grounding point is rendered on the image through calculation; and storing the marking information of the grounding point and outputting a personalized format. The invention further discloses an automatic marking device for the image feature points. According to the method, the wheel outer side grounding point with the invisible target object can be automatically generated, the time consumed by subjective ...

Laser lighting device

The utility model discloses a laser lighting device, including a laser output device, the optical wand, the terminal surface of the one end of optical wand is provided with first recess, the light -emitting window of a laser output device is fixed in in the first recess, the laser process of the light -emitting window output of a laser output device the optical wand converts the visible light into, first reflective membrane, first reflective membrane is fixed in on the lateral wall of optical wand, and first reflective membrane covers first reflective membrane part lateral wall. In this way, the utility model discloses a visible light of laser lighting device outgoing has that the illumination area is big, the illumination area is wide, color source advantage such as good also, and in addition, laser lighting device can also realize directional lighting.

Preparation method of high-conductivity and high-strength copper alloy moving-end conductive cylinder

The invention discloses a preparation method of a high-conductivity and high-strength copper alloy moving-end conductive barrel. The preparation method comprises the following steps: preparing materials: preparing the following components in percentage by mass: 0.15-0.35% of chromium, 0.05-0.1% of rare earth La and the balance of copper; and charging and smelting, casting, forging, sawing off, extrusion forming, solution treatment, aging treatment, shot blasting treatment, machining and surface treatment are carried out. The copper-chromium alloy moving end conductive cylinder prepared by the method has the properties of high conductivity, high strength, high temperature resistance and the like, the deformation of the conductive cylinder in the use process is reduced, and the service life is prolonged. The invention further provides an extrusion die used for preparing the copper-chromium alloy moving end conductive cylinder, the material utilization rate is increased, and the production ...

Helicobacter pylori composition for IgY immunization and application thereof

The invention relates to the technical field of microorganisms, in particular to a helicobacter pylori composition for IgY immunity and application of the helicobacter pylori composition. The invention provides a combination of two dominant strains CHPC1.9800 and CHPC1.9804, and the combined strain has completed whole genome sequencing, can cover more than 85% of HP strain adhesin, and can realize efficient combination of a limited number of strains. Meanwhile, the invention provides a helicobacter pylori antigen mixing scheme for immunization, the IgY obtained by immunizing chicken after extracting and mixing the whole protein of the combined strain can be used for solving the defect of poor inhibition effect of the IgY generated by depending on single adhesin, and is used for preventing and/or treating diseases caused by helicobacter pylori infection.

Intelligence efficient drying ware

The utility model provides an intelligence efficient drying ware, intelligence efficient drying ware includes the cauldron body, the cauldron body including interior cauldron wall and outer cauldron wall, form the intermediate layer between interior cauldron wall and the outer cauldron wall, be equipped with a through -hole on the outer cauldron wall, through -hole connecting media gets into the pipeline, the lower extreme of the cauldron body is equipped with medium discharge pipe, the internal coiled pipe that is equipped with of cauldron, the upper end of interior cauldron wall is connected to the one end of coiled pipe, the lower extreme of interior cauldron wall is connected to the other end of coiled pipe, the both ends and the intermediate layer of coiled pipe communicate with each other, the internal bottom of cauldron is equipped with the agitator, the motor is connected to the agitator electricity, the agitator is the U -shaped agitator, interior cauldron wall inboard still is ...

Textile drafting mechanism of fancy yarn and drafting method

The present invention discloses textile drafting mechanism and method of fancy yarn. The drafting mechanism includes one frame cradle, two middle rollers, two back rollers and one front roller, and the cradle includes five press heads corresponding to the rollers separately. Each of the front roller and the back rollers is driven by individual motor separately, the first middle roller is driven by the first roller, and the second middle roller is driven by the second back roller. Under the pressing of the same cradle, the five rollers draft two pieces of roving under the control of computer, and the two pieces of roving may be form one or two fancy yarns. Compared with available technology, the present invention makes it possible to draft two different pieces of roving to expand fancy yarn variety.

Energy -concerving and environment -protective reation kettle

The utility model provides an energy -concerving and environment -protective reation kettle, energy -concerving and environment -protective reation kettle includes the cauldron body, the cauldron body is including interior cauldron wall and outer cauldron wall, form the intermediate layer between interior cauldron wall and the outer cauldron wall, cauldron body upper end is equipped with the inlet pipe, and the lower extreme is equipped with the discharging pipe, be equipped with the medium in the intermediate layer, cauldron body upper end is equipped with the medium and gets into the pipeline, cauldron body lower extreme is equipped with medium discharge pipe, medium discharge pipe communicates a collecting pit, still be equipped with a gas -liquid separation jar between medium discharge pipe and the collecting pit, the internal agitator that is equipped with of cauldron, the lower extreme of the cauldron body, medium discharge pipe's upper end is equipped with the sampling tube promptly ...

Helicobacter pylori strain CHPC1.9801 for immunization and application thereof

The invention relates to the technical field of microorganisms, in particular to a helicobacter pylori strain CHPC1.9801 for immunization and application thereof. The helicobacter pylori screw strain for immunization provided by the invention contains common adhesin genes in the helicobacter pylori strain, and IgY obtained by immunizing chicken by using the whole-cell protein of the helicobacter pylori strain for immunization can cover most of HP strains containing different adhesin, so that the immunogenicity of the helicobacter pylori screw strain for immunization is improved. The method is used for overcoming the defect that the helicobacter pylori infection inhibition effect of IgY generated by depending on a single adhesive element is poor. The helicobacter pylori screw strain for immunization provided by the invention is a strain with typical adhesin representativeness, and can be used for preparation and subsequent application of a helicobacter pylori IgY antibody, so that the helicobacter ...

Circuit and method for realizing key awakening of microprocessor

The invention discloses a circuit and method for awakening a microprocessor through a key, and belongs to the technical field of low power consumption of microprocessors. Comprising a microprocessor which is provided with a first general purpose input/output port, a second general purpose input/output port and a third general purpose input/output port; the plurality of keys comprise a first key which is connected between the first general purpose input/output port and the second general purpose input/output port; the second key is connected between the second universal input/output port and the grounding end; the third key is connected between the first universal input/output port and the third universal input/output port; and the fourth key is connected between the third general input/output port and the grounding end. The technical scheme has the beneficial effects that the micro-processor with low cost is provided, the micro-processor is switched to the working mode from the low-power-consumption ...

Column and cone piston type pipe control energy-saving valve

High -speed contamination free reation kettle

The utility model provides a high -speed contamination free reation kettle, high -speed contamination free reation kettle includes the cauldron body, the cauldron body is including interior cauldron wall and outer cauldron wall, form the intermediate layer between interior cauldron wall and the outer cauldron wall, cauldron body upper end is equipped with the inlet pipe, and the lower extreme is equipped with the discharging pipe, be equipped with the medium in the intermediate layer, interior cauldron outer surface of the wall both sides are equipped with the heating pipe, the internal temperature controller that is equipped with of cauldron, temperature controller is connected with the heating pipe electricity, be equipped with the baffling board on the interior cauldron wall internal surface, cauldron body upper end is equipped with the medium and gets into the pipeline, cauldron body lower extreme is equipped with medium discharge pipe, medium discharge pipe communicates a collecting ...

Stalk-removing machine

The invention provides a stalk-removing machine capable of effectively removing residual tobacco root stalks, and conveying and crushing the root stalks sequentially. The stalk-removing machine comprises a machine frame, a travelling wheel, a power transmission device, a root stalk digging device and a root stalk conveying device, wherein the root stalk digging device is a root stalk digging roller and comprises a roller shaft, a plurality of rotary blades and a plurality of winding bars; the plurality of rotary blades are interlacedly arranged on the roller shaft; and the plurality of winding bars are fixed arranged at the periphery of the roller shaft and are parallel with the roller shaft. The stalk-removing machine also comprises a root stalk crushing device and a material collecting device. The stalk-removing machine integrates the operation of removing, conveying and crushing the stalks, pulls out the root stalks of crops completely and crushes the root stalks, has high working efficiency ...

Waste gas treatment system and computer control method

The invention relates to a waste gas treatment system and a computer control method. The waste gas treatment system comprises a waste gas treatment device, a neutralizing device, a salt liquid condensing device and a control device. A spraying and absorbing tower I uses neutral water as an absorbing liquid; an absorbing tower II uses alkali liquor as an absorbing liquid; waste absorbing liquid drained by the spraying and absorbing tower I is acid; waste absorbing liquid drained by the spraying and absorbing tower II is alkali; and two kinds of waste liquids are mixed together to generate salts, thus industrial salt products can be recovered from the waste liquid generated in the waste gas treatment process. The product can be recovered from the waste liquid, thereby improving the added value of the system. By adopting the computer to control, the invention has the advantages of simple operation, accurate control and high automatic program.

Coal tar ingredient analysis instrument

The invention relates to a coal tar ingredient analysis instrument. The coal tar ingredient analysis instrument comprises a distilling flask, a flow diversion pipe, a condensing pipe, a liquid collecting flask, and a sample weighing device, a lifting support frame, a heating furnace, a distillate weighing device and a circulating water device which are connected with a control system. By precisely and automatically controlling a whole distillation process by virtue of the coal tar ingredient analysis instrument, the measuring accuracy of the distillate quantity of a corresponding substance can reach a distilling temperature interval of 0.1 DEG C, and the distillate quantity of each ingredient is recorded in a distilling range curve manner. Compared with the prior art, the coal tar ingredient analysis instrument has the beneficial effects that the automation of a coal tar distilling experiment is realized, the measuring accuracy is improved, and the accuracy of a measuring result is guaranteed ...

Material reserve method, system and equipment, storage medium and program product

The invention relates to a material storage method, system and device, a storage medium and a program product. The method comprises the following steps: obtaining historical demand reserve material data and historical actual receiving material data of a target enterprise; then, according to historical demand reserve material data and historical actual receiving data, purchase demand feature data is determined; determining the demand coincidence rate of the reserve materials according to the purchasing demand feature data; and finally, determining a reserve material strategy according to the demand coincidence rate of the reserve materials, wherein the reserve material strategy is used for indicating the target enterprise to reserve the materials. By adopting the method, reasonable material reserve standards can be recommended for enterprises.

On-line detection control system and control method thereof for powder coating thickness

The invention relates to an on-line detection control system and control method thereof for powder coating thickness. The on-line detection control system comprises a programmable logic controller (PLC) characterized by being conducted with an optical fiber sensor; when an empty can enters a detection area and the optical fiber sensor detects the empty can, the PLC enables a laser sensor and a laser signal amplifier to enter an operating mode; when the empty can enters a laser sensor area, the laser sensor sends laser signals for detecting the coating thickness of the empty can; when the empty can is qualified after detection, the qualified empty can directly enters the next process for baking; and when the empty can is disqualified after detection, the laser signal amplifier outputs disqualification signals to the PLC, the PLC outputs stop signals to a host machine to stop feeding, and simultaneously an actuating mechanism delivers the disqualified empty can to a rejection collecting area ...

Data unit shielding type low pressure composite cable

The utility model discloses a data unit shielding type low pressure composite cable, including the cable core, the space department of cable core is equipped with the gasket for packing that blocks water, at outmost crowded packet of outer jacket, the cable core has metallic shield's data unit transposition stranding to form by a plurality of electricity unit and a cladding. The utility model discloses a special structural design and use have the respond well wire woven shield of electromagnetic shield, make the data unit of cable have anti -interference function, effectively reduce electric unit to data unit electromagnetic interference, guarantee data unit's job stabilization to data unit and electric unit electromagnetism incompatibility problem have effectively been solved.

Efficient drying ware

The utility model provides an efficient drying ware, efficient drying ware includes the cauldron body, the cauldron body including interior cauldron wall and outer cauldron wall, form the intermediate layer between interior cauldron wall and the outer cauldron wall, be equipped with a through -hole on the outer cauldron wall, through -hole connecting media gets into the pipeline, cauldron body lower extreme is equipped with medium discharge pipe, the internal coiled pipe that is equipped with of cauldron, the upper end of interior cauldron wall is connected to the one end of coiled pipe, the lower extreme of interior cauldron wall is connected to the other end of coiled pipe, the both ends and the intermediate layer of coiled pipe communicate with each other, the internal bottom of cauldron is equipped with the agitator, the motor is connected to the agitator, the agitator is the U -shaped agitator, interior cauldron wall inboard still is equipped with one rather than being connected and ...

High -efficient noiseless centrifugal separator

The utility model provides a high -efficient noiseless centrifugal separator, high -efficient noiseless centrifugal separator includes centrifugal -machine main body, the tail gas discharge port department of centrifugal -machine main body bottom is equipped with first pipeline, first pipe connection treatment trough, be equipped with the second pipeline on the treatment trough, be equipped with the deadening felt on the pipe wall of first pipeline and second pipeline, centrifugal -machine main body's top is equipped with an air inlet, the air inlet passes through the third pipeline and is connected with a nitrogen gas jar, be equipped with the pneumatic valve in the inner chamber of third pipeline, centrifugal -machine main body's top is equipped with the feed inlet, be equipped with the fourth pipeline on the feed inlet, be equipped with a power pump on the fourth pipeline, the other end of fourth pipeline stretches into the material jar, back flow connection fourth pipeline and material ...

Automatic efficient drying ware of feeding

The utility model provides an automatic efficient drying ware of feeding, automatic efficient drying ware of feeding includes the cauldron body, the cauldron body is including interior cauldron wall and outer cauldron wall, form the intermediate layer between interior cauldron wall and the outer cauldron wall, be equipped with a through -hole on the outer cauldron wall, through -hole connecting media gets into the pipeline, the lower extreme of the cauldron body is equipped with medium discharge pipe, the internal coiled pipe that is equipped with of cauldron, the upper end of interior cauldron wall is connected to the one end of coiled pipe, the lower extreme of interior cauldron wall is connected to the other end of coiled pipe, the both ends and the intermediate layer of coiled pipe communicate with each other, the internal bottom of cauldron is equipped with the agitator, interior cauldron wall inboard still is equipped with one rather than being connected and communicating vacuum - ...

Muting centrifugal separator of intelligence

The utility model provides a muting centrifugal separator of intelligence, muting centrifugal separator of intelligence includes centrifugal -machine main body, the tail gas discharge port department of centrifugal -machine main body bottom is equipped with first pipeline, be equipped with the valve on the first pipeline, centrifugal -machine main body's upper end is equipped with an air inlet, the air inlet passes through the third pipeline and is connected with a nitrogen gas jar, be equipped with the valve on the third pipeline, centrifugal -machine main body's upper end is equipped with the feed inlet, be equipped with the fourth pipeline on the feed inlet, be equipped with a power pump on the fourth pipeline, be equipped with the valve between feed inlet and the power pump, the other end of fourth pipeline stretches into the material jar, back flow connection fourth pipeline and material jar, be equipped with flow control valve on the back flow, be equipped with the valve on the discharge ...

Standby circuit of handheld device and awaken method thereof

The invention discloses a standby circuit of a handheld device and an awaken method thereof, which is characterized in that a touch IC utilizes a charge level which is produced between an operator finger and a touch pad to detect, and the finger is determined whether to touch the sensing surface by detecting the variation of the current; the touch IC transmits a sensing signal to a microcontroller through a first GPIO, the sensing signal awakens the microcontroller from a sleeping mode, and a controllable power supply management IC is opened through a second GPIO to supply power to the device so as to complete the awakening of the entire system; and when the finger of the operator leaves the device after the operation, a touch keystroke IC notifies that the microcontroller that the operation of the device is completed, the microcontroller selects whether the standby is needed according to the present work situation of the device, if the standby is required, the controllable power supply ...

Data-unit-shielded type low-voltage composite cable

The invention discloses a data-unit-shielded type low-voltage composite cable. The cable comprises a cable core, wherein water-blocking filling ropes are arranged in gaps of the cable core, the outmost layer is coated with an outer protecting layer in an extruded manner, and the cable core is formed by twisting multiple electrical units and one data unit coated with a metal shield. By the aid of the special structural design, a shielding layer is woven from metal wires with the good electromagnetic shielding effect, the data unit of the cable has an anti-interference function, electromagnetic interference caused by the electrical units to the data unit is effectively reduced, and the working stability of the data unit is guaranteed, so that the problem of electromagnetic incompatibility of the data unit with the electrical units is effectively solved.

TO encapsulates semiconductor laser

The utility model belongs to the technical field of the laser instrument, a TO encapsulates semiconductor laser is disclosed, including the TO base, be equipped with the TO pipe on the TO base, the TO base of the inside of TO pipe is equipped with the semiconductor laser COS chip on the surface, and the top of TO pipe is equipped with the high pass light window sheet who is used for sealed laser instrument COS chip, the inside of TO base is equipped with the circuit board, the COS chip passes through the gold thread with the circuit board and is connected. The utility model discloses use cylindrical TO base to the COS chip is at the surface loop of TO base shape array arrangement, thus easy realize concentric with the projection light path, the circuit board sets up inside the TO base, has realized that TO intraduct space is compact, the encapsulation of being convenient for, the COS chip passes through eutectic welded mode to be connected with the base, has improved solid brilliant technology ...

Graphite coating device for outer sheath of power cable

The invention discloses a graphite coating device for an outer sheath of a power cable. The graphite coating device comprises an I-shaped base bracket, wherein a box body is connected with the upper part of the I-shaped base bracket; a matched box cover is arranged on the box body; a graphite feeding hopper which penetrates into the box body is arranged at the left end on the box cover; an inverted L-shaped baffle is arranged in the box body at the lower end of the graphite feeding hopper; a group of symmetric hair brushes are arranged at the upper and lower right ends in the box body; four groups of adjustable hand-wheel sponge contracting brakes with the same number are arranged at the upper, lower, left and right parts of the box body at equal intervals. The graphite coating device has the advantages that the coating process is performed through five sponge contracting brakes in each group, so that the surface graphite coating is more uniform, and the appearance of the power cable is ...

Full-automatic system for measuring distillation range of coke light oil product

The invention relates to a full-automatic system for measuring the distillation range of a coke light oil product, which comprises a distillation system and is characterized in that: the distillation system is arranged in an enclosed hood; an outlet of the enclosed hood is connected with a cooling exhaust fan; a single-neck distillation flask and a condensed fluid measuring pot are respectively connected with a weighing device and a quantitative liquid taking device; and a computer is respectively connected with a thermodetector, the weighing device, a heating furnace and the quantitative liquid taking device and is used for receiving a weight signal, controlling the quantitative liquid taking device, realizing the distillation temperature raising process according to a program, computing and recording a relation curve of the temperature and the volume of condensed fluid and a relation curve of the temperature and the weight of the condensed fluid and recording the initial boiling point ...

Energy -conserving reation kettle of intelligence

The utility model provides an energy -conserving reation kettle of intelligence which characterized in that energy -conserving reation kettle of intelligence includes the cauldron body, the cauldron body is including interior cauldron wall and outer cauldron wall, form the intermediate layer between interior cauldron wall and the outer cauldron wall, cauldron body upper end is equipped with the inlet pipe, and the lower extreme is equipped with the discharging pipe, be equipped with the medium in the intermediate layer, interior cauldron outer surface of the wall both sides are equipped with the heating pipe, the internal temperature detect ware that is equipped with of cauldron, cauldron body upper end is equipped with the medium and gets into the pipeline, cauldron body lower extreme is equipped with medium discharge pipe, medium discharge pipe communicates a collecting pit, still be equipped with a gas -liquid separation jar between medium discharge pipe and the collecting pit, the internal ...

Totally closed muting centrifugal separator

The utility model provides a totally closed muting centrifugal separator, totally closed muting centrifugal separator includes centrifugal -machine main body, the tail gas discharge port department of centrifugal -machine main body bottom is equipped with first pipeline, first pipe connection treatment trough, be equipped with the second pipeline on the treatment trough, centrifugal -machine main body's upper end is equipped with an air inlet, the air inlet passes through the third pipeline and is connected with a nitrogen gas jar, be equipped with the valve on the third pipeline, centrifugal -machine main body's upper end is equipped with the feed inlet, be equipped with the fourth pipeline on the feed inlet, be equipped with a power pump on the fourth pipeline, the other end of fourth pipeline stretches into the material jar, back flow connection fourth pipeline and material jar, be equipped with flow control valve on the back flow, centrifugal -machine main body's bottom is equipped ...

Combined heat and power generation PLC control system

A combined heat and power generation PLC control system comprises a boiler combustion control system, a turbine control system and a touch screen. The system is characterized in that bagasse is dehumidified and dried and then is conveyed to a boiler for combustion through a conveying belt, a boiler PLC adjusts the amount of conveyed bagasse, the amount of induced air, the amount of supplied air and the amount of fed water according to load disturbance, steam pressure and combustion chamber negative pressure, high-pressure steam after the boiler combustion enters a turbine for power generation, a turbine PLC adjusts the amount of input air according to the operation condition of the turbine, the steam is directly conveyed to a power grid after power generation of the turbine, waste heat is supplied to a vaporizing tank and a sugar boiling tank for utilization, a boiler combustion control system and a turbine control system are communicated with an upper computer of a monitoring chamber, ...

Progressive multi-view depth comprehensive representation learning method

The invention relates to a progressive multi-view depth comprehensive representation learning method, belongs to the field of machine learning and computer vision, and is used for solving the problem of how to mine consistent information and complementary information between view angles under the condition of ensuring that the accuracy is not reduced in multi-view representation. According to the method, firstly, an easier pre-training task is established, so that consistency and complementary dimensions can be better initialized, and a plurality of view angles can be processed; and secondly, in a fine tuning stage, fully mining complementarity information of multi-view data by pre-establishing a sparse batch processing normalization layer, and pre-aligning characterization of a specific view, so that the problem of view missing is solved. The learning method can process any multi-view data, and is suitable for different data sizes.

Power cable oversheath graphite coating device

The utility model discloses a power cable oversheath graphite coating device, including i -shaped base support, be connected with the box in the top of i -shaped base support, the top of box is equipped with supporting case lid, be equipped with the graphite loading hopper in letting in the box on the left end of case lid, be equipped with down " L " type baffle in the lower extreme box of graphite loading hopper, have the brush of a set of symmetry on the right -hand member in the box, at about, the equidistant the same adjustable hand wheel sponge band -type brake of four group's quantity that is equipped with of box about. The utility model discloses be equipped with scribbling of five sponge band -type brakes, more even of exterior graphite coating, the cable outward appearance is brighter and cleaner, has had the protection of sealed box to clean with the brush, and the unnecessary graphite powder in cable top layer can fall scattered to be convenient for retrieve in the box and recycle ...

Safe efficient centrifugal separator

The utility model provides a safe efficient centrifugal separator, safe efficient centrifugal separator includes centrifugal -machine main body, centrifugal -machine main body's bottom is equipped with the discharge gate, the tail gas discharge port department of centrifugal -machine main body bottom is equipped with first pipeline, first pipe connection treatment trough, be equipped with the second pipeline on the treatment trough, be equipped with the deadening felt on the pipe wall of first pipeline and second pipeline, centrifugal -machine main body's top is equipped with an air inlet, the air inlet passes through the third pipeline and is connected with a nitrogen gas jar, be equipped with the pneumatic valve in the inner chamber of third pipeline, centrifugal -machine main body's top is equipped with the feed inlet, be equipped with the fourth pipeline on the feed inlet, be equipped with an elevator pump on the fourth pipeline, the other end of fourth pipeline stretches into the material ...

Tobacco material backfill feeding device and method

The invention provides a tobacco material backfill feeding device and method. A feeding device is arranged on a fixed platform; a discharging hole of the feeding device is connected with a feeding inlet of a feeding chamber; a shifting roller and a spiral conveyor mechanism are arranged in the feeding chamber; the shifting roller is formed by a shifting roller shaft and material shifting rods; the plurality of groups of material shifting rods are flexibly arranged on the shifting roller shaft; every group of material shifting rods are arranged along the peripheral surface of the shifting roller shaft in a spiral mode; spiral lines of the material shifting rods are parallel to each other; the shifting roller shaft is provided with a plurality of feeding nozzles which are communicated with a material liquid conveying pipe; the spiral conveyor mechanism is arranged close to the position of the feeding inlet of the feeding chamber and the spiral conveyor mechanism sleeves the shifting roller ...

Data page damage detection method and related equipment

The invention provides a data page damage detection method and related equipment, and the method comprises the steps: determining a second checksum of a data page according to currently written data of the data page when it is determined that the data page is damaged according to a first checksum of the data page in a database in a running state; determining whether the first checksum is matched with the second checksum to obtain a matching result; and determining whether the data page is damaged or not according to the matching result. In the application, when the database is in the running state, the data page in the database is subjected to multiple checksum detection to determine whether the data page is damaged, so that the purpose of detecting whether the data page is damaged in the running state of the database is achieved, the damage detection of the data page does not need to close the database, waiting for data query is avoided, and the data query efficiency is improved. And the ...

Data recovery method, data recovery device, electronic equipment and storage medium

The invention provides a data recovery method, a data recovery device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a data recovery instruction of a target data page of a database, wherein the target data page comprises at least one tuple; and determining whether each tuple is valid or not according to transaction-related information of each tuple in the target data page, and updating a flag bit of each tuple according to a result of whether each tuple is valid or not, the flag bit being used for marking whether the tuple is valid or not. And in the target data page, performing data recovery on the tuple with the flag bit marked as invalid. Whether the tuple is in the deleted state or not is accurately judged by inserting the tuple into the transaction identification bit, and then data recovery is performed, so that the problem of inaccurate data recovery in the prior art is solved.

Blocking method for vanadium nitride powder

The invention discloses a blocking method for vanadium nitride powder. The vanadium nitride powder and high vanadium ferroalloy powder are evenly mixed, and then burnt at a high temperature, and then block-shaped vanadium nitride can be obtained after discharging. According to the method provided by the invention, the high vanadium ferroalloy is taken as a binding agent after a high-temperature smelting reaction, new impurities are prevented from being brought in, and product quality is improved. The content of vanadium in the vanadium nitride powder reaches 77 to 81 percent, the content of nitrogen in the vanadium nitride powder reaches more than 12 percent, the content of self-contained vanadium in the high vanadium ferroalloy can reach 78 to 82 percent, and after high-temperature nitridation, the content of nitrogen can reach more than 13 percent. Therefore, the nitrogen content of the mixed powder can be increased remarkably after mixed burning, and the content of vanadium is not changed ...