32results about How to "Achieve replenishment" patented technology

The invention relates to a water-bearing household appliance, particularly a dishwasher or washing machine, comprising at least one cleaning agent dispensing system for dispensing at lest two cleaning agent mixtures (6, 8, 10). The invention is characterized in that the cleaning agent dispense system is designed for dispensing cleaning agent mixtures (6, 8, 10) present in metering units.

The invention provides a no-cable on-orbit service receivable satellite. The no-cable on-orbit service receivable satellite comprises a satellite body, a changeable module, a passive docking mechanism and a wireless communication system, wherein the satellite body is used as a main supporting structure, the changeable module is placed outside the satellite body to be convenient for module changing, the passive docking mechanism is used for receiving on-orbit gas and liquid filling, and the wireless communication system is used for realizing management and data exchanging of each part of a platform; and real-time access and removal of each module within the satellite are supported by using a wireless bus. Therefore, according to the no-cable on-orbit service receivable satellite, the changing of an on-orbit module can be convenient to operate, the service life of the satellite is actually prolonged, the adaptation of the satellite to multiple tasks is actually enhanced, restriction of communication network wiring to the structure, configuration and layout of a satellite system is eliminated, the configuration and layout of a satellite module can be designed according to application needs, the module is very convenient to detach and mount, a plug-and-play capacity is realized, the on-orbit module changing task is very easily realized and easily-consumed materials are supplemented so that the service life of the satellite is further prolonged.

In order to solve the problem of poor versatility and adaptability of spacecraft acquisition system, the invention provides a spacecraft capture system based on nozzle capture and satellite-rocket docking ring locking, which relates to the technical field of non-cooperative spacecraft acquisition. The invention comprises a six-degree-of-freedom adjusting device, which is used for adjusting the position and the posture of the locking device so as to make the locking device contact with the butt joint surface of the satellite-arrow butt joint ring; a capture device, when opposite to the nozzle position, is used for detecting the position of the nozzle throat of the spacecraft, controlling the airbag to enter the nozzle throat of the spacecraft and inflate the airbag, and using the airbag tolock the nozzle throat to realize capture; a locking device for locking the outer edge of the satellite-arrow docking ring from a radial direction using a locking member when the locking device is incontact with the docking surface of the satellite-arrow docking ring. The invention releases the capturing device to the nozzle throat of the target, and captures the target nozzle; by recovering thecapture device, the docking range of the capture device to the locking device is tightened; the locking device locks the target's satellite-arrow docking ring through the locking member.

The invention provides a 3D NAND memory and a manufacturing method thereof. According to the method, a stacked structure comprising a bottom sacrificial layer, sacrificial layers and insulating layersis formed on a substrate, the sacrificial layers and the insulating layers are alternately stacked on the bottom sacrificial layer, the bottom sacrificial layer is replaced with a source electrode layer, oxidation treatment is conducted on the source electrode layer, a first isolation layer is formed on the surface of the source electrode layer, and the function of selecting gate oxide on the back is achieved. The method facilitates control over thickness of the first isolation layer and improves the uniformity of the first isolation layer, so that uniform inversion of the source electrode layer is facilitated, and an electronic channel is ensured in read-write operation of the memory. The problems in the thickness and uniformity of the source electrode layer caused by the thickness problem of the back selection gate oxide layer are solved, and the continuity of a P-type trap and supply of holes in the erasing process can be realized. The source electrode layer is formed in the channel structure in the stacking direction at the same time, the contact area of the source electrode layer and the channel layer is increased, and electrical connection between the source electrode layerand the channel layer is enhanced.

The invention provides a solar observation satellite ground test device and system. The solar observation satellite ground test device comprises an experiment satellite cabin and air floating platforms (9). The experimental satellite cabin is provided with air feet (8). A gas cylinder (6) is arranged in the experimental satellite cabin. The gas cylinder (6) comprises a medium with set pressure. The gas feet (8) comprise a first gas path, and the gas cylinder (6) comprises a second gas path. The first air path communicates with the second air path. A medium can be transmitted to the outside ofthe experimental satellite cabin through the first gas path and the second gas path which communicate with each other, that is, the medium in the gas cylinder (6) can be ejected through the gas feet (8). The air floating platforms (9) are arranged on one sides of the air feet (8) of the experimental satellite cabin at intervals. An active air floating design is adopted and is different from traditional suspension or single-axis air floating, and omnidirectional attitude control verification of three degrees of freedom of a load cabin and three degrees of freedom of a platform cabin through theair feet.

The invention provides a tire bead steel wire tempering device. The tire bead steel wire tempering device comprises a cleaning pool, wherein a box body is arranged above the cleaning pool; a horizontally-placed partition plate is fixedly arranged in the box body; one side of the top surface of the partition plate is fixedly connected with the lower end of a first spring telescopic rod; the upper end of the first spring telescopic rod is fixedly connected with one side of the bottom surface of a first piston plate; and the periphery of the first piston plate is in sliding contact fit with the inner wall of the box body. According to the tire bead steel wire tempering device, firstly, the process of inflating the interior of the box body through a hot air pump can be realized, water can be drained to clean a steel wire, meanwhile, a guide wheel can be driven to rotate, and then the steel wire is driven to move; and secondly, when the air pressure in the box body reaches a certain degree,namely, a wedge-shaped block is separated from the bottom surface of the first piston plate, the device can carry out the exhaust process, then water on the surface of the steel wire can be blown down, the drying effect is achieved, meanwhile, water in a water tank can be pumped into the box body, and the water in the box body can be supplemented.

The invention belongs to the technical field of bearings, and particularly relates to a self-lubricating dust-proof bearing. The self-lubricating dust-proof bearing comprises an outer ring, an inner ring, rolling balls, lubricating modules, a dust-proof cover and a dust-proof pad. The rolling balls are arranged between the outer ring and the inner ring, cavities and a first groove are formed in the side wall of the outer ring, the first groove communicates with the cavities, a second groove is formed in the top of the outer ring, the lubricating modules are located in the cavities and used foradding lubricating oil to the rolling balls, a third groove is formed in the top of the inner ring, the dust-proof cover is installed in the second groove of the outer ring and the third groove of the inner ring, and the dust-proof pad is installed at the bottom of the outer ring and located between the outer ring and the inner ring. Through mutual cooperation of the lubricating modules, the rolling balls and the dust-proof cover, the lubricating oil is added to the rolling balls by using the rolling balls to extrude the lubricating modules constantly, and lubrication is provided for the rolling balls. The dust-proof cover not only can cut off dust, but also can prevent excessive lubricating oil from overflowing.

The invention relates to an underwater maintainable dry type working cabin. The working cabin comprises a cylindrical pressure-resistant cabin with spherical end sockets at two ends, a butt-joint device is arranged at the top of the pressure-resistant cabin, and the bottom of the pressure-resistant cabin is fixedly mounted on a pressure-weight base through a support; a two-way opening and closingcabin door is arranged on the communication portion of the butt joint device and a cabin body; the cabin wall of the cabin body is provided with an observation window, a wet plug interface and a production line interface; a deck is arranged at the bottom in the cabin body, and an escalator is arranged along the cabin wall of the cabin body from the deck to the two-way opening and closing cabin door; a control cabinet is arranged on the deck; and an oxygen candle, a carbon dioxide absorber and a storage battery pack are arranged in the portion, at the lower part of the deck, in the cabin body.The working cabin is compact and reasonable in structure and convenient to operate, and can provide a dry type normal-pressure working environment for underwater production system equipment and provide a working mode of in-situ repair and maintenance in deep sea. By carrying people inside, arranging the observation window and carrying an underwater acoustic communication module and the like, in-situ observation and monitoring means are provided for an underwater production system, and the working cabin becomes a cooperative control center of unmanned operation equipment of the underwater production system.

The invention discloses a composting device and a composting method for organic garbage, and relates to the technical field of organic garbage treatment. The composting device comprises an outer shell, a heat exchange assembly, an air inlet pipe, an air outlet pipe and a leachate collecting assembly.The upper end of the outer shell is provided with an opening, the opening is connected with a covering film, the covering film can open or close the opening, and the outer shell is used for containing the organic garbage; the heat exchange assembly is used for heating the interior of the outer shell, the air inlet pipe and the air outlet pipe can communicate with an inner cavity of the outer shell and the outside, the end, away from the outer shell, of the air inlet pipe is used for communicating with the induced draft fan, the air inlet pipe is used for introducing oxygen into the outer shell, and the air outlet pipe is used for guiding out waste gas generated in the outer shell; and one end of the leachate collecting assembly is located in the outer shell, the other end of the leachate collecting assembly extends out of the outer shell, and the leachate collecting assembly is used for guiding percolate generated by composting to the outside. According to the composting device and the composting method for the organic garbage, oxygen can be supplied to a pile body while the temperature of the pile body is ensured.

The invention relates to a selenium-rich candida glabrata strain FXY-4 as well as a cultivation method and an application of selenium-rich candida glabrata strain FXY-4 serving as an additive for fish feed and belongs to the technical field of microorganisms. A pickle juice sample is diluted, a YEPD (yeast extract peptone dextrose) culture medium is coated with the pickle juice sample for cultivation, single colonies are picked out, selenium-rich saccharomycete is screened through the YEPD culture medium containing Na2SeO3 with the final concentration being 0.5g / L, and the selenium-rich candida glabrata strain FXY-4 is obtained with a chemical mutagenesis method and classified and named as candida glabrata FXY-4, has been preserved in CCTCC (China Center For Type Culture Collection) and has the preservation number CCTCC NO:M 2015664. The selenium-rich candida glabrata FXY-4 has remarkable immunity enhancing and growth promoting functions, and an animal experiment proves that the selenium-rich candida glabrata strain FXY-4 has a promoting function on growth and health of aquatic animals and can be used as the additive to be applied to the fish feed.

The invention relates to an efficient nailing gun, and relates to the technical field of nailing. The nail gun comprises a nail gun body, and the nail gun body comprises a nail outlet pipeline arranged at the end and a firing pin used for ejecting nails in the nail outlet pipeline out of the nail outlet pipeline. The device further comprises an annular nail box, a communicating hole allowing the annular nail box to penetrate and be inserted is formed in the side wall of the nail outlet pipeline, placing holes allowing single nails to be placed are formed in the end wall of the annular nail box in a penetrating mode, the placing holes are evenly formed in the circumferential direction of the annular nail box, and the placing holes communicate with the nail outlet pipeline. Baffles are detachably connected to the positions, located at the two ends of the annular nail box, of the side wall of the nail outlet pipeline correspondingly, and the annular baffles are attached to the end wall of the nail box. The driving assembly is used for driving the annular nail box to rotate in the circumferential direction with the center point of the annular nail box as the center; the nailing device has the effects of achieving rapid supply of nails and improving the nailing efficiency.

The invention discloses a dynamic simulation experimental device for researching mercury shape in an anoxic / anaerobic sediment. The device comprises a sediment collecting pipe, a top cover arranged onthe upper part of the sediment collecting pipe and a funnel type base arranged at the bottom of the sediment collecting pipe. One end of the funnel type base is a quartz partition plate which is connected to the bottom of the sediment collecting pipe, while the other end of the funnel type base is provided with a piston; a communicating pipe is arranged between the lower part of the funnel type base and the upper part of the top cover; a three-way valve is arranged between the communicating pipe and the piston; a circulating pump is arranged on the communicating pipe; and a gap water collector is arranged on one side of the sediment collecting pipe. The device can collect the gap water simply and flexibly in situ. The gap water of the sediment as a mercury metal dissolved state part is asensitive index reflecting change of the sediment. The device can sample and monitor mercury in gap water continuously and observe change of the mercury shape along with environmental conditions.

The invention discloses a vertical type cordyceps militaris expanding culture device and an expanding culture bottle thereof. The device comprises a thermal-insulation tank and an expanding culture bottle support vertically arranged in the thermal-insulation tank and is characterized in that the support comprises a support body and a rotary disc which is arranged on the support body and driven bya drive motor to rotate, and a plurality of expanding culture bottle fixing sleeve seats are distributed on the rotary disc. The vertical type cordyceps militaris expanding culture device has the advantages that during cordyceps militaris expanding culture, the expanding culture bottles are horizontally placed, culture liquid rolls in the expanding culture bottles when the drive motor drives the rotary disc to rotate, an oxygen dissolving effect can be increased effectively and evidently, and cordyceps militaris expanding culture time can be effectively shortened by 30-50%; the vertical type cordyceps militaris expanding culture device is simple in structure, high in practicality, good in culture liquid oxygen dissolving effect, high in cordyceps militaris expanding culture efficiency andlow in energy consumption.

The invention discloses a self-lubricating bearing and a stone crushing device applying the self-lubricating bearing. The device comprises a first shaft sleeve and a second shaft sleeve which sleeve arotating shaft, wherein inner walls of the first shaft sleeve and the second shaft sleeve are in clearance fit with an outer side wall of the rotating shaft, outer sides of the first shaft sleeve andthe second shaft sleeve are sleeved with bases, inner walls of the bases are in sealed connection with the outer side walls of the first shaft sleeve and the second shaft sleeve, an annular cavity isformed between the first shaft sleeve and the second shaft sleeve, an oil storage block made of a flexible microporous material is arranged in the annular cavity, and the oil storage block is attached to an outer side wall of the rotating shaft and used for lubricating the outer side wall of the rotating shaft. The self-lubricating bearing has the advantages that the self-lubricating bearing canautomatically lubricate the rotating shaft, friction force of the rotating shaft is reduced, heat generated when the rotating shaft rotates at a high speed is reduced, the rotating shaft is preventedfrom being damaged, and the stone crushing device applying the self-lubricating bearing is high in crushing efficiency.

The invention discloses a preparation gas recycling device for preparing formic acid by electrolyzing carbon dioxide. A preparation gas recycling gas inlet top cylinder assembly, a first-stage prepared gas combustion-supporting treatment assembly, a first-stage water vapor absorption filtering assembly, a second-stage prepared gas combustion-supporting treatment assembly, a second-stage water vapor absorption filtering assembly and a prepared gas recycling gas outlet bottom cylinder assembly form a multi-stage tower type prepared gas treatment and recycling structure. A recycling gas outlet flange at the bottom of the prepared gas recycling gas outlet bottom cylinder assembly communicates with a raw material gas inlet pipeline for preparing formic acid through electrolysis of carbon dioxide through an exhaust fan and a circulating pipeline. Through the action of the exhaust fan, a negative pressure gas flow guide structure circulating downwards is formed in the multi-stage tower type prepared gas treatment and recycling structure. Carbon monoxide and methane discharged from a cathode gas outlet are combusted at the top of a prepared gas combustion-supporting treatment cylinder through cooperation of a combustion-supporting gas inlet pipe and an ignition igniter, and high-temperature water vapor and carbon dioxide gas are formed after combustion of the carbon monoxide and the methane.

The invention relates to a deformation joint connecting structure device at a civil engineering structure and a using method thereof, and relates to the technical field of deformation joints. The connecting structure comprises a connecting assembly, the connecting assembly is connected with two wallboards matched with the connecting assembly for use, and a deformation joint is reserved between the two wallboards. The connecting assembly comprises a waterproof piece, the waterproof piece comprises a main waterproof roll, a first pressing plate and a second pressing plate which are arranged on the side wall of each wallboard, the first pressing plates are fixedly connected to the side walls of the wallboards, the second pressing plates are fixedly connected to the sides, away from the wallboards, of the first pressing plates, and the main waterproof rolls are inserted between the first pressing plates and the second pressing plates. Corrugated surfaces are arranged on the side walls, facing each other, of the first pressing plate and the second pressing plate correspondingly, and the two side walls of the main waterproof roll are attached to the corrugated surfaces correspondingly. The waterproof structure has the advantage that the waterproof effect of the deformation joint is optimized.

The present application discloses an unattended mobile retail store system and retail method. The mobile retail store system includes: a mobile box body; at least one cargo lane arranged in the mobile box body, the cargo lane carrying a Commodities; a first manipulator, configured to replace a target cargo lane whose current quantity of commodities is less than or equal to a preset first threshold value with a spare cargo lane that is grabbed from the warehouse and consistent with the commodities in the target cargo lane. In the present application, by placing the retail business in the mobile box, it can be operated with the movement of the mobile box without being fixed at a certain position, and the mobile retail store system is provided with a cargo lane capable of carrying commodities, so as to utilize The manipulator replaces the missing cargo lane with the spare cargo lane to achieve replenishment. The whole process does not require the participation of the waiter, so it saves a lot of labor costs and time, and can significantly improve the efficiency of replenishment and retail.

The invention relates to a selenium-rich candida glabrata strain FXY-4 as well as a cultivation method and an application of selenium-rich candida glabrata strain FXY-4 serving as an additive for fish feed and belongs to the technical field of microorganisms. A pickle juice sample is diluted, a YEPD (yeast extract peptone dextrose) culture medium is coated with the pickle juice sample for cultivation, single colonies are picked out, selenium-rich saccharomycete is screened through the YEPD culture medium containing Na2SeO3 with the final concentration being 0.5g / L, and the selenium-rich candida glabrata strain FXY-4 is obtained with a chemical mutagenesis method and classified and named as candida glabrata FXY-4, has been preserved in CCTCC (China Center For Type Culture Collection) and has the preservation number CCTCC NO:M 2015664. The selenium-rich candida glabrata FXY-4 has remarkable immunity enhancing and growth promoting functions, and an animal experiment proves that the selenium-rich candida glabrata strain FXY-4 has a promoting function on growth and health of aquatic animals and can be used as the additive to be applied to the fish feed.

The present application relates to a structural device for connecting deformation joints at a civil structure and a method for using the same, and relates to the technical field of deformation joints; it includes a connecting component, and the connecting component is connected with two wall panels adapted for use with it. Deformation joints are left; the connecting assembly includes a waterproof member, and the waterproof member includes a main waterproof membrane, a first pressing plate and a second pressing plate arranged on the side wall of each wall panel, the first pressing plate is fixedly connected to the side wall of the wall panel, and the second pressing plate It is fixedly connected to the side of the first pressing plate away from the wall plate, the main waterproofing membrane is inserted between the first pressing plate and the second pressing plate, and the side walls facing each other of the first pressing plate and the second pressing plate are provided with corrugated surfaces. , the two side walls of the main waterproof membrane are respectively attached to the corrugated surface; the present application has the characteristics of optimizing the waterproof effect at the deformation seam.

The invention provides an integrated charging device for automatically discharging batteries, which includes a casing, an inlet and an outlet are opened on the lower part of the casing, and the casing has a plurality of placement chambers, and each placement chamber is used to place batteries of different voltage ratings , and are all connected to the outlet; each placement chamber is matched with an outlet pusher, and the outlet pusher has a telescopic function; the housing is provided with a control module and an information acquisition module, and the control module is respectively connected to the outlet pusher and the information acquisition module; The acquisition module is installed at the entrance and faces the battery coming in from the entrance. The battery is provided with an information section containing the battery information. The information acquisition module acquires battery information by scanning the information section on the battery, and sends the acquired battery information to the control module. , the control module drives the outlet pusher to run according to the battery information. The invention can match batteries with various rated voltage values, and automatically match and output batteries with corresponding voltage ratings according to the rated voltage values ​​of the batteries.

The invention relates to the field of road construction, in particular to a water-permeable-type sidewalk road brick capable of being laid conveniently. The water-permeable-type sidewalk road brick comprises a square brick body, guide blocks are fixed to the rear side surface and the left side surface of the square brick body, the front end surface and the right end surface of the square brick body are provided with guide grooves, the upper end surface of the square brick body is downward sequentially provided with an installing groove, a titled groove, and a water leaking groove, a water permeable device is installed in the installing groove, and a circular hole is formed at the apical angle location of the upper end surface of the square brick body. The sidewalk road brick can be conveniently and rapidly laid and has a good water permeable function, and at the same time, the sidewalk road brick can realize quick patch of a sidewalk.

The invention discloses an unattended retail store system and a retail method. The retail store system comprises at least one commodity path bearing commodity and a first mechanical hand, and the first mechanical hand is used for replacing the target commodity path with a standby commodity path which is consistent with the commodity in the target commodity path and is grabbed from a warehouse, wherein the current number of the commodity of the target commodity path is smaller than or equal to a preset first threshold value. The commodity paths capable of bearing commodity are arranged in the retail store system, the mechanical hand is used for replacing the commodity path short of commodity with the standby commodity path to achieve commodity supplement, and servers are not needed in the whole process, so that a great deal of human cost and time cost are saved, and commodity supplement and retail efficiency can be obviously improved.

In order to solve the problem of poor versatility and adaptability of the spacecraft capture system, the invention provides a spacecraft capture system based on nozzle capture and star-rocket docking ring locking, which relates to the technical field of non-cooperative spacecraft capture. The invention includes: a six-degree-of-freedom adjustment device, used to adjust the position and attitude of the locking device, so that the locking device contacts the docking surface of the docking ring of the star and rocket; a capturing device, used to detect the nozzle of the spacecraft Throat position, control the airbag to enter the throat of the spacecraft nozzle, inflate the airbag, use the airbag to lock the throat of the nozzle to achieve capture; the locking device, when the locking device contacts the docking surface of the star-arrow docking ring, It is used to radially lock the outer edge of the star arrow docking ring by using the locking part. The invention releases the capture device to the nozzle throat of the target, and captures the target nozzle; by recovering the capture device, the docking range from the capture device to the locking device is tightened; the locking device locks the star-arrow docking ring of the target through the locking component .

The invention provides automatic liquid coating equipment. The automatic liquid coating equipment comprises a machine body and a first hollow cavity which is positioned in the machine body, wherein ashaft replacement device is arranged in the first hollow cavity; a second hollow cavity, of which an opening is formed downwards, is formed in the top wall of the first hollow cavity; a first slidingcavity is formed in the top wall of the second hollow cavity; a first sliding block is arranged in the first sliding cavity in a sliding manner; a first elastic reset device is elastically arranged between the first sliding block and the rear-side end wall of the first sliding cavity; and a replenishment device is arranged in the first sliding block. The coating equipment disclosed by the invention is more reasonable and skillful in an entire structure and is also convenient to use; coating and winding of band-like goods can be realized simultaneously; therefore, the equipment is convenient tooperate and is stable and high in practicability; the operation is automatic, and meanwhile, power source is switched in a time-sharing manner so as to completely carry out alternate winding, rollingand coating; and meanwhile, replenishment of coating liquid is realized, and thus, the equipment has higher use and popularizing values.

The invention discloses a self-lubricating bearing and a stone crushing device for its application. It comprises a first shaft sleeve and a second shaft sleeve sleeved on a rotating shaft. The outer side wall of the rotating shaft is clearance fit; the outer side of the first shaft sleeve and the second shaft sleeve is provided with a base, and the inner wall of the base is in sealing connection with the outer side wall of the first shaft sleeve and the second shaft sleeve; An annular cavity is provided between the first shaft sleeve and the second shaft sleeve, and an oil storage block made of flexible microporous material is arranged in the annular cavity, and the oil storage block is attached to the outer wall of the rotating shaft. Used to lubricate the outside wall of the shaft. The self-lubricating bearing can automatically lubricate the rotating shaft, reduce the friction of the rotating shaft, reduce the heat generated when the rotating shaft rotates at high speed, and avoid damage to the rotating shaft, and the stone crushing device using the self-lubricating bearing has high crushing efficiency.

The invention discloses an automatic production line for steamed gluten. The automatic production line comprises a first conveying mechanism, a second conveying mechanism, a third conveying mechanismand a fourth conveying mechanism which are sequentially connected, wherein a discharging end of the first conveying mechanism is arranged below a feeding end of the second conveying mechanism; a feeding end of the third conveying mechanism is arranged below a discharging end of the second conveying mechanism; the third conveying mechanism and the fourth conveying mechanism are connected through aturnover device; the first conveying mechanism is provided with a box dividing station, a dough dividing station, a covering station and a box lifting station; a box dividing device is arranged at thebox dividing station; a stirrer and a dough divider which communicates with an outlet of the stirrer are arranged at the dough dividing station; and a box covering device is arranged at the coveringstation. According to the automatic production line, automatic carrying of gluten boxes is realized, automatic operation of a gluten dough dividing procedure, a leavening procedure, a steaming and curing procedure and a demolding procedure is realized, namely, flow line production from gluten to steamed gluten is realized, the labor intensity is reduced, and the production efficiency and the dailyyield of the steamed gluten are improved.

The present invention provides a 3D NAND memory and a manufacturing method thereof. In the method, a stacked structure comprising a bottom sacrificial layer and alternately stacked sacrificial layers and insulating layers formed above the bottom sacrificial layer is formed on a substrate, and the bottom sacrificial layer is replaced by The source layer is oxidized, and a first isolation layer is formed on the surface of the source layer to realize the function of the back selection gate oxide. The method is beneficial to control the thickness of the first isolation layer and improve the uniformity of the first isolation layer, thereby facilitating the uniform inversion of the source electrode layer and ensuring the channel of electrons in the read and write operations of the memory. The thickness and uniformity of the source layer caused by the thickness of the back selection gate oxide layer are solved, and the continuity of the P-type well and the supply of holes during the erasing process can be realized. At the same time, the source layer is formed in the channel structure along the stacking direction, which increases the contact area between the source layer and the channel layer, and enhances the electrical connection between the source layer and the channel layer.

The invention discloses a trapping and killing device for termites, and relates to the field of termite trapping and killing. The trapping and killing device for the termites comprises a hollow shelland a sealing cover arranged on the shell, the shell is internally provided with a trapping material, the outer wall of the shell is provided with a plurality of inlet / outlet holes enabling the termites to pass through, the sealing cover is internally provided with a cavity used for storing a venom, the lower end face of the sealing cover is provided with multiple drainage holes communicated withthe cavity, and the sealing cover is provided with a switching mechanism controlling the drainage holes to be opened and closed. The trapping and killing device for the termites has the advantages that by forming the cavity for storing the venom, resupply of the venom on the trapping material is achieved, and therefore, the effectiveness of the trapping material can be effectively maintained without taking out the trapping material, so that the use process of the trapping and killing device is more flexible and more convenient.