55results about How to "Good orientation" patented technology

The utility model provides a kind of heat exchange pipe groove processing mould, it is related to stamping die technical field, including processing mould assembly, the outside of processing mould assembly is provided with protection assembly, dismounting assembly is provided on the processing mould assembly, the processing mould assembly includes upper die and lower die, installation slot is opened in the upper die, stamping head is provided on the upper die.The utility model is by sliding block sliding in the inside of installation slot, it is favorable to the maintenance of stamping head, then using limit plug synchronous sliding in the inside of installation slot, it is favorable to the transverse limit of sliding block, moving limiting plate is active in the inside of fixed frame, it is favorable to make the limiting plate provide limiting effect to limit plug, then using fastening bolt is penetrated in the inside of limiting plate, it is favorable to the limiting of limiting plate, without the maintenance of a large number of bolts, it can be maintained and replaced to stamping head, improve maintenance efficiency.

The application provides a titanium carbide composite film and a preparation method thereof. The preparation method comprises the following steps: providing a Ti3C2T x MXene and a basic casting solution of bipolar nanofibers, the surface of the bipolar nanofibers in the basic casting solution is a first electric property, which is electrostatically repelled from Ti3C2T x MXene; the basic casting solution is made into a composite precursor film; the composite precursor film is contacted with an acidic metal salt solution, so that the surface of the bipolar nanofibers in the composite precursor film is changed from the first electric property to a second electric property, which is electrostatically attracted from Ti3C2T x MXene; meanwhile, metal ions in the acidic metal salt solution are coordinated and / or chelated with Ti3C2T x MXene and the bipolar nanofibers, and a titanium carbide composite film is prepared. The titanium carbide composite film prepared by the method provided by the application has high densification and high orientation, and the strength and the electrical conductivity are synergistically improved.

This utility model relates to the field of door lock unlocking and discloses an unlocking device. The unlocking device includes a handle rod and a insert. One end of the handle rod is fixedly connected to the insert, and the other end of the handle rod extends away from the insert. The end of the insert away from the handle rod has a plug-in portion, which is configured as a rectangular insertion slot suitable for fitting the square steel handle. The handle rod serves as the user's grip base, driving the insert to be inserted into the lock box. The plug-in portion is specifically inserted into the lock box, and its rectangular insertion slot ensures precise alignment and fitting with the square steel handle inside the lock box. By twisting the handle rod, the insert drives the square steel handle to rotate, thereby opening the lock cylinder inside the lock box and achieving the unlocking purpose. The extension design of the handle rod away from the insert helps to form an effective lever arm, making it easier for the user to apply force. The unlocking device provided by this utility model has a simple structure, is easy to operate, and has good applicability.

The application relates to the technical field of drying equipment, and particularly discloses an adjustable-angle spoiler for a mixed-flow dryer, which comprises a mounting frame, a flow splitter and an adjusting mechanism, the mounting frame is used for being mounted on the top sidewall of a drying warehouse, rotating rods are arranged on the mounting frame along the length direction, the rotating rods are rotationally connected to the mounting frame along the length direction, a plurality of rotating rods are arranged along the width direction of the mounting frame, and the flow splitter is arranged on the rotating rods; the adjusting mechanism is arranged on the mounting frame, and the adjusting mechanism is used for synchronously driving all the rotating rods to reciprocatingly rotate in the forward and reverse directions. The application has the effect of improving the fixed connection of the airflow flow splitter and the supporting frame, fixing the flow track of the airflow, easily existing a drying dead angle, being different in drying speed of materials, being uneven in drying, and influencing the drying quality of the materials.

A loom yarn hook device, comprising a shears support frame, a cantilever beam, a yarn hook hanger and a yarn hook, the cantilever beam is inserted into the shears support frame, the yarn hook hanger is fixed on the cantilever beam, the cantilever beam is fixed with a yarn hook fixing rod, the rod body of the yarn hook fixing rod is fixed with the yarn hook on the side away from the shears support frame, the yarn hook hanger is provided with a strip-shaped hole, the yarn hook fixing rod is provided with a blocking cover corresponding to the limiting block slot on the periphery of the strip-shaped hole, and the end of the yarn hook fixing rod on the side of the recess in the blocking cover is screwed with a second locking nut after passing through the strip-shaped hole. The yarn hook device creatively provides a positioning structure between the yarn hook hanger and the yarn hook fixing rod, which is not easy to loosen horizontally and vertically, is firmly positioned, and does not produce burrs on the guide part due to up-down movement positioning, solves the defects that the yarn hook fixing rod of the existing yarn hook device is not firmly positioned and is easy to produce burrs due to movement, and can effectively ensure the guiding effect of the fabric or yarn.

The utility model discloses a silica gel outer cover water stop, it includes water stop body and one or above's extension section, between water stop body with extension section, between extension section with extension section is equipped with detachable connecting structure and sealing connecting structure, water stop body includes first hardware spare and first silica gel outer ring, extension section all includes second hardware spare and second silica gel outer ring, first silica gel outer ring and second silica gel outer ring all are equipped with outer ring anti -infiltration water structure. The utility model discloses a detachable connecting structure that is formed by the card groove structure and the clamping block structure can constitute the water stop of different length, friction requirement according to demand, improve the applicability, reduce the customization cost, and through setting up sealing connecting structure is used for guaranteeing the connecting sealing property between water stop body with extension section, extension section and extension section, guarantees the subsequent use of silica gel outer cover water stop.

The application discloses a borehole trajectory real-time guiding control system and method of a wireless measurement-while-drilling instrument, and belongs to the technical field of drilling engineering. The system comprises the following steps: collecting borehole posture data and environmental factor data through the wireless measurement-while-drilling instrument, and generating fusion data; generating adaptive control parameters through an adaptive learning mechanism based on the fusion data and historical guiding effect data; performing channel adaptation processing and dynamic compensation on the adaptive control parameters to generate a compensation control signal; controlling the operating posture of a guiding tool by using the compensation control signal, calculating the deviation between actual borehole trajectory data and preset target borehole trajectory data, and generating trajectory deviation data; and updating the learning parameters of the adaptive learning mechanism based on the trajectory deviation data. The application adopts multi-source data fusion perception, intelligent decision based on an adaptive learning mechanism, dynamic compensation communication based on channel adaptation, and closed-loop feedback updating based on trajectory deviation, and can realize real-time guiding control of a borehole trajectory.

This invention discloses a fluorescence emission-independent excitation carbon quantum dots and its preparation method. The method includes: Step 1, mixing o-phenylenediamine and boric acid at a molar ratio of 4 mmol:(1.2~4 mmol), grinding the mixture, transferring it to a square ceramic boat, and placing it in an oven. Under air atmosphere, the temperature is increased from room temperature to 100~135℃ at a heating rate of 5℃ / min, and the solid-phase reaction is carried out for 4~6 h. The mixture is then naturally cooled to room temperature to obtain a brownish-red solid; Step 2, dissolving the brownish-red solid in deionized water and sonicating it to obtain a yellowish-brown liquid; Step 3, filtering the yellowish-brown liquid to obtain a pure carbon quantum dot aqueous solution; Step 4, freeze-drying the carbon quantum dot aqueous solution to obtain carbon quantum dot powder. This invention simplifies the process flow, reduces energy consumption and post-processing complexity, and provides controllable reaction process. The prepared carbon quantum dots exhibit fluorescence emission-independent characteristics and long-wavelength orange fluorescence.

The utility model belongs to the graphite film roll -to -roll transmission technical field, concretely relates to a kind of graphite film roll -to -roll transmission tension automatic regulating device, including winding table, the top fixed connection of winding table has fixed frame, the side installation of fixed frame has motor, the output end connection of motor has winding roller, the both sides of winding table are symmetrically distributed with mounting seat and connecting seat.The utility model passes through the graphite film from the first tension roller top and the second tension roller bottom, then through double-end motor drives the rotation of two ends third bevel gear, again using the meshing relationship between third bevel gear and first bevel gear, second bevel gear drives the rotation of first lead screw and second lead screw, at this moment because the thread of first lead screw and second lead screw is opposite, thus first tension roller then lifts graphite film, and second tension roller then presses graphite film, to realize tension automatic regulation by the counteracting force of two tension rollers, to avoid the situation that tension is insufficient when graphite film roll -to -roll transmission.

The present application relates to the controllable preparation technical field of carbon nanotube fiber bundle, in particular to a method for continuously preparing high-conductivity carbon nanotube fiber bundle by uniformly pushing high-quality liquid crystal solution with air pressure. The high-quality carbon nanotube liquid crystal spinning solution is used as raw material, and is placed in a charging kettle. The liquid crystal spinning solution is pressed into a ketone coagulation bath through a multi-hole spinneret by uniform air pressure generated by an air compressor, and then the high-conductivity carbon nanotube fiber bundle is continuously prepared through a winding device. The present application breaks through the technical bottleneck of the current continuous spinning of high-performance carbon nanotube fiber bundle, and realizes the continuous preparation of high-orientation-degree and high-conductivity carbon nanotube fiber bundle.

The utility model belongs to the technical field of filling and conveying, and particularly relates to a buffer table which comprises a conveying table and protection plates, the protection plates are welded to the surfaces of the two sides of the conveying table and distributed symmetrically, four sets of main conveying belts are arranged in the middle of the conveying table and distributed at equal intervals, and the protection plates are welded to the surfaces of the two sides of the conveying table. The two sides of the main conveying belt are each provided with eight circulating conveying belts, the circulating conveying belts are distributed at equal intervals, a first driving shaft is arranged at the end of an inner cavity of the main conveying belt, and a first driving motor and a second driving motor are installed at the two ends of the surface of one side of the conveying table correspondingly; the power output end of the first driving motor is in transmission connection with the first driving shaft; the circulating conveying belts are arranged on the two sides of the main conveying belt, each circulating conveying belt is composed of eight sets, the rotating direction of the circulating conveying belts is opposite to that of the main conveying belt, and left and right circulating rings are formed to increase buffering and prevent bottles from being squeezed.

The utility model discloses a kind of safety belt guide rings coated with polymer coating, belong to the technical field of automobile accessories.The safety belt guide ring includes guide ring body, the upper portion of guide ring body has the positioning hole for being fixedly connected with automobile upright column, the lower portion of guide ring body has the waist type mouth for safety belt webbing to pass, further include guide assembly, guide assembly includes the guide shaft that is horizontally installed in waist type mouth middle part, several guide balls are installed in the axial direction of guide shaft with interval, guide ball is rotatably connected with guide shaft;The surface of guide ring body is coated with polymer coating.The utility model is coated with polymer coating by setting guide assembly and on the surface of guide ring body, and the friction between safety belt webbing and guide ring can be reduced.The utility model can effectively improve the webbing hooking caused by burr of guide ring long-term use, in addition, resistance and noise in safety belt pulling process can be reduced, greatly improve the use experience of passenger.

This invention discloses a stripe projection 3D imaging system based on a Micro-LED array. Its 3D information acquisition module consists of an integrated packaged Micro-LED driver board, a Micro-LED array, a micro-projection module, and a CCD camera. The 3D reconstruction module utilizes a computer. The micro-projection module is equipped with a plano-convex lens and a mechanical focusing damping structure, and is separately arranged in the front and rear optical paths of the Micro-LED array. The system's workflow is as follows: the driver board reads pre-stored stripe pattern data and timing-controls the Micro-LED array to output coded structured light stripes; the focusing structure adjusts the object distance in the optical path, focusing and scaling the stripes before projecting them onto the surface of the object being measured; the CCD camera simultaneously acquires a sequence of deformed images modulated by the object's shape and transmits it to the computer; the computer combines a multi-step phase-shifting algorithm and Gray code rules to complete phase calculation and unfolding, and, combined with a preset phase-height mapping relationship, reconstructs the 3D shape and point cloud data of the object being measured. This invention enables low-cost, miniaturized, and high-performance 3D shape measurement.

This utility model relates to the field of flattening roller technology, and proposes a flattening roller structure, including a fixing part and a flattening part. The flattening part is coaxially fixed to the fixing part and is used to flatten the electrode tab. The flattening part has a conical structure, and the outer diameter of the end of the flattening part near the fixing part is larger than the outer diameter of the end away from the fixing part. It also includes a blocking part, which is coaxially fixed to the end of the flattening part away from the fixing part, and the periphery of the blocking part extends outward from the periphery of the flattening part. This utility model, by providing a blocking part at the end of the flattening part and allowing the periphery of the blocking part to extend outward from the periphery of the flattening part, allows the blocking part to guide the electrode tab when the flattening part flattens it, preventing the electrode tab from blocking the center hole of the winding core. This eliminates the need for other components to block the center hole of the winding core in the flattening mechanism, reducing the structural complexity of the flattening mechanism and improving its overall performance and cost-effectiveness.

The utility model provides a kind of based on rotating filter basket technology's pollution discharge system, including dynamic filter basket filtering mechanism, upper filter box, lower filter box and shunt pipeline.Dynamical filter basket filtering mechanism is located in upper filter box, and is connected by first shunt pipeline filtering inlet pipe, and upper filter box connects filtering outlet pipe, and lower filter box connects filtering impurity blowdown valve.First shunt pipeline includes top communication pipe, and its below sequentially connects upper fixed pipe, upper connecting cover and brim pedestal, and brim pedestal below is equipped with pollution collection wheel, and pollution collection wheel is composed of wheel main shaft, wheel framework, pollution collection blade etc., and bottom convex package is aligned with horn mouth blowdown collection pipe.The system is through the synergistic effect of rotating filter basket and pollution collection wheel, realizes efficient blowdown, compact structure, is convenient for maintenance, applicable to sewage treatment and other fields.

This utility model discloses a three-way flushing shut-off valve for an ammonia-carbon analyzer, comprising a valve body, a main valve core, and a three-way flow channel disposed within the valve body, each communicating with a medium inlet flow channel and two medium outlet flow channels respectively. A main valve seat is provided on the flow channel communicating with the medium inlet flow channel. The lower valve head of the main valve core is located in the main valve seat, and its upper end passes through the upper valve cover and connects to the main actuator. Secondary valve assemblies for connecting to manual control mechanisms are provided on the flow channels communicating with the two medium outlet flow channels respectively. The medium inlet flow channel is mounted on the lower valve body, and a guide hole communicating with the medium inlet flow channel is opened at the top of the lower valve body. A hollow guide post with a flow channel hole is provided at the lower end of the valve head of the main valve core, slidingly engaging with the guide hole. The lower valve body and the upper valve cover are detachably connected to the valve body via bolts and nuts. This utility model features a simple structure, easy disassembly, easy maintenance, good sealing effect, smooth valve operation, and long-term safe online operation.

The utility model relates to the technical field of rail vehicle bogie, and disclose a kind of rail vehicle bogie lateral damper structure, including bogie, lateral rod and the linear bearing of lateral rod upper sleeve, the both ends of lateral rod are slidably connected with mounting block, and the one end of mounting block is equipped with the sliding cavity matched with lateral rod, the outer wall of lateral rod is equipped with the symmetrical first spring, and one end of first spring is fixedly connected with linear bearing, and other end is fixedly connected with mounting block;This kind of rail vehicle bogie lateral damper structure, by first spring, mounting block can be fixed in the inside of installation groove, further by limiting component, mounting block can be fixed in the inside of installation groove, so that the stability of the device operation is higher, after releasing limiting component, simultaneously pulling the mounting block of lateral rod both ends makes it separate from the installation groove on bogie, lateral rod can be disassembled, so that the disassembly of lateral rod is more convenient.

This utility model relates to the field of automotive parts technology, and in particular to an EGR valve with adjustable output volume. It includes a valve seat, a bushing, and a valve stem. A sleeve is fitted onto the valve stem, and a piston is housed inside the sleeve. A first compression spring is provided between the inner wall of the sleeve and the piston. A coil assembly is provided between the outer wall of the sleeve and the inner wall of the valve body. A sensor assembly is provided on one side of the valve body. A support block is provided at the bottom of the valve body, with the bottom of the support block abutting against the top of the valve seat. An exhaust chamber is provided between the bushing and the support block. An air inlet is provided at the bottom of the valve seat. A tapered portion is provided at one end of the valve stem near the bushing. A tapered hole is provided at the axial center of the bushing. An annular retaining ring is provided above the tapered portion and the tapered hole on the valve stem. This utility model improves upon existing technology by enabling flexible fine-tuning of the output volume after the EGR valve is opened through the cooperation of the tapered portion and the annular retaining ring on the valve stem and the tapered hole on the bushing. This eliminates the need to close the valve again, shortens the adjustment stroke, and improves control flexibility.

The utility model discloses a kind of rubbish cleaning clamps, including connecting rod, handle, clamping mechanism and pulling mechanism, handle is set to the upper end of connecting rod, pulling mechanism includes the pull rod of cross bar and connection, pull rod slides up and down along the inside of connecting rod, clamping mechanism is set in the lower end of connecting rod, including positioning head, movable head, linkage and three groups of clamping arms, movable head is connected with linkage by first connecting rod, linkage includes fixed base, three second connecting rods and corresponding pin joint arm, pin joint arm is connected with clamping arm respectively, the lower end of each clamping arm is equipped with chuck, positioning head is equipped with guide slot inside for guiding movable head sliding, the structure can realize the synchronism of three claw clamping operation, improve clamping stability, adopt spring automatic reset mechanism to improve operating efficiency, chuck uses antiskid rubber material to enhance friction, linkage structure movement coordination, effectively solve existing rubbish clamp clamping unstable, transmission out of sync, reset inconvenient and clamping object easy to slip off and other problems.

This utility model belongs to the technical field of stacker cranes, specifically relating to an anti-sway structure for stacker cranes. It includes a guide rail, a gantry mounted on the outer side of the guide rail, a lifter mounted on the vertical part of the gantry, a loading frame mounted on the end face of the lifter, an anti-sway mechanism mounted on the gantry, a fixed plate fixedly connected to the bottom inner side of the gantry, a guide rod fixedly connected to the inner wall of the fixed plate, a moving block slidably sleeved on the outer side of the guide rod, the moving block slidably connected to the fixed plate, and a spring mounted on the outer side of the guide rod. This utility model, through the action of the rubber disc, spring, and other structures, can limit the movement of the gantry and reduce vibration, thereby reducing the gantry's swaying problem. Under the action of damping holes, damping rods, elastic elements, and other structures, the excess deformation stress generated by spring can be worn away, avoiding excessive vibration of spring and other components.

This invention discloses a high-temperature resistant and acid / alkali corrosion resistant flat-plate biological filler and its preparation process, belonging to the field of flat-plate biological filler technology. It addresses the technical problem that the specific surface area, mechanical strength, high-temperature resistance, and acid / alkali corrosion resistance of existing flat-plate biological fillers need further improvement. Specifically, it includes the following steps: Modified PP fibers are uniformly laid along the X-axis, followed by uniformly laid ES fibers, and then mixed fibers are laid along the Y-axis. After hydroentangling and drying, a base membrane material is obtained. This invention effectively improves the specific surface area and mechanical strength of the flat-plate biological filler by activating and coupling the PP fibers, combining hydroentangling with in-situ construction of an organosilicon crosslinking network and heat setting treatment.

The utility model provides a guide tow dual -purpose truck tire belongs to tire technical field, including the tread, the tread includes a plurality of middle part longitudinal grooves and edge part longitudinal grooves which are set up along the circumferential extension, the middle part longitudinal groove and edge part longitudinal groove divide the tread into a plurality of pattern bars, the pattern bar includes the middle part pattern bar at the tread center line, a plurality of oblique through -going horizontal grooves are set up on the middle part pattern bar, the third horizontal steel sheet of horizontal through -going is set up between adjacent horizontal grooves, wherein, the angle of horizontal groove and tire axial is 40 ~ 45 DEG, the depth of horizontal groove is 1 / 3 ~ 1 / 5 of the depth of middle part longitudinal groove, the width of horizontal groove is 1mm ~ 4mm. The utility model tire product considers high load, torsion resistance, wear resistance, steering nimble and stronger ground adaptability simultaneously, improves the engagement performance and tow performance of tire on the wet and slippery road surface.

This invention proposes an ABX3 seed-induced crystallization perovskite thin film and a method for preparing the same for photovoltaic cells. The ABX3 seed-induced crystallization perovskite thin film contains potassium stannate. This ABX3 seed-induced crystallization perovskite thin film exhibits high crystallinity and good stability.

This invention belongs to the field of molecular biology technology for chili pepper breeding, and discloses a molecular marker, primers, and their applications related to capsaicin content. The molecular marker uses the “zhangshugang” version of the genome as a reference gene, and its flanking nucleotide sequence is shown in SEQ ID NO: 1. The primers are shown in SEQ ID NO: 2-4. This invention also provides the primers or kits for identifying and assisting in the screening of chili pepper spiciness, or for the identification, screening, or breeding of non-spicy chili pepper fruits. This invention achieves early, accurate, and high-throughput identification of the “non-spicy” and “spicy” traits in chili peppers. The developed KASP molecular marker can complete genotyping within hours using only a small amount of leaf DNA during the seedling stage, accurately predicting the spiciness phenotype of mature fruits, moving the selection process from the field to the laboratory, and breaking through the spatial and temporal limitations of phenotypic identification.

This application discloses a connecting component and a photographic device. The connecting component includes a female connector with a slot; a male connector with a mating insertion portion corresponding to the slot; a through groove penetrating the insertion portion within the male connector, one end of which faces the slot opening; a positioning rod movably inserted into the through groove; an elastic element disposed within the through groove for pushing the positioning rod out of the through groove towards the slot; and an operating rod connected to the positioning rod. The operating rod abuts against the male connector to prevent the positioning rod from completely disengaging from the through groove. The slot has a recessed structure for the positioning rod to extend into. This invention improves connection strength and stability while also ensuring ease of installation and disassembly, exhibiting good adaptability and practical application value.

This invention discloses the fabrication and device of a vertical array of boron nitride nanotubes. The fabrication method includes: uniformly mixing a catalyst and a boron source to prepare a precursor powder; weighing the precursor powder and placing it in a reaction boat; placing a substrate above the reaction boat and heating it, introducing an inert gas during the heating process; maintaining the temperature after reaching the growth temperature, turning off the inert gas and introducing a nitrogen source to grow the vertical array of boron nitride nanotubes; after growth, turning off the nitrogen source, cooling the furnace tube to room temperature under inert gas protection, and removing the sample. This invention features a simple process and convenient operation, and ensures sufficient contact between the boron and nitrogen sources during the fabrication process, improving product quality and achieving the fabrication of a high-density, highly oriented vertical array of boron nitride nanotubes.

This utility model belongs to the technical field of filter press equipment, specifically relating to a frame plate filter press with a cake-removing air passage. A frame plate filter press with a cake-removing air passage includes a main support, with a filter press frame and a pressing frame at each end, and a main beam between the filter press frame and the pressing frame; several filter press plate assemblies are arranged between the filter press frame and the pressing frame, and the filter press plate assemblies are mounted on the main beam; the filter press frame has four liquid guiding channels and one mud guiding channel, the pressing frame has a hydraulic plate, and the hydraulic plate has a hydraulic pump; the filter press plate assembly includes a filter press plate, with liquid guiding holes at each of the four corners and a mud guiding hole at the center of the filter press plate; filter press grooves are provided on both sides of the filter press plate, and mud pushing plates are hinged to the filter press grooves; the filter press plate has an air passage inside, and several air ports are provided at the bottom of the filter press groove, all connected to the air passage, with one end of the air passage opening to the top of the filter press plate.

The utility model provides a kind of oil compensation structure and shock absorber, oil compensation structure includes compensation valve system, shock absorber main body and recovery electromagnetic valve, recovery electromagnetic valve is communicated with the recovery cavity inside shock absorber main body by compensation valve system, compensation valve system includes upper link ring, lower link ring, compensation spring and compensation valve block, one end of upper link ring is connected with recovery electromagnetic valve and is sealed by valve line, other end is sealed with lower link ring and forms cavity, compensation valve block is set on lower link ring, first connecting boss is formed on one side of upper link ring, one end of compensation spring is interference sleeve joint with first connecting boss, other end presses compensation valve block on lower link ring and seals compensation hole, lower link ring is connected with intermediate cylinder by second connecting boss;Optimization to compensation valve system parts structure and installation mode is realized by the oil compensation structure, the stability of oil seal is promoted, and response speed is improved.

The application discloses a tire tread conveying device with a tire tread fitting centering device, and belongs to the technical field of tire production and manufacturing. The technical scheme is characterized in that the conveying frame, the plurality of roller structures, the centering device, the driving device and the conveying device are combined. The roller structure realizes stable conveying of the tire tread through the rollers and the auxiliary wheels. The centering device realizes accurate centering and limiting of the tire tread by cooperation of the first limiting rod, the second limiting rod and the driving device. The conveying device realizes stable transmission of the tire tread by cooperation of the control assembly and the conveying assembly. The technical effects of improving centering accuracy in the tire tread conveying process, reducing deviation, enhancing conveying stability and improving production efficiency are achieved.