766results about How to "Easy to observe" patented technology

The invention discloses a multipurpose fructus aurantii picking machine. The multipurpose fructus aurantii picking machine comprises a picking mechanism, a lifting mechanism and a transportation control mechanism, the picking mechanism is connected to the surface of an upper bottom plate of the lifting mechanism, and the lifting mechanism is detachably arranged on the surface of a bearing platform at the front end of the transportation control mechanism; the picking mechanism comprises a handheld moving rod, a collecting sub-mechanism, a camera shooting sub-mechanism and a rotary connecting sub-mechanism; the lifting mechanism comprises an upper bottom plate, a lower bottom plate, a connecting assembly and an air cylinder assembly. The transportation control mechanism comprises a front end bearing platform, a transportation platform, a collecting basket, a displayer, a control table, an air source assembly, a seat, a pneumatic foot switch, a storage battery and a power chassis. The fructus aurantii picking machine solves the technical problems that in the prior art, a fructus aurantii picking machine is single in function, low in picking efficiency and frequent in missing picking.

The utility model is specifically related to a kind of glasses with the mounting structure of pair of buckle type decorative sheet, including leg and solid decorative drawing, still including inner hollow cylinder and outer hollow cylinder, solid decorative drawing is fixed in inner hollow cylinder, installation slot is penetrated in the inside and outside of leg, first limiting structure and second limiting structure are sequentially equipped in installation slot from the outside of leg to the inside of leg, the outer periphery of inner hollow cylinder and the outer periphery of outer hollow cylinder are respectively provided with first abutment structure,second abutment structure, outer hollow cylinder is respectively connected with installation slot, inner hollow cylinder fixed connection. The installation form of solid decorative drawing is compared to the form that lug is embedded in the side of solid decorative drawing ring, and it is high in degree of aesthetic feeling, low in installation difficulty, and high in yield rate;Solid decorative drawing can be seen in the inside and outside of leg, and it is convenient to observe.

The glass annealing furnace self-closing fan observation window structure provided by the utility model is convenient to open or close, can facilitate staff to observe the environment in the furnace in real time, can avoid local heat leakage, can avoid the influence of opening the observation window on the temperature stability in the furnace, can avoid scalding the staff, is favorable for improving the safety, and makes the glass annealing furnace self-closing fan observation window structure convenient to open or close, can facilitate staff to observe the environment in the furnace in real time, can avoid local heat leakage, can avoid the influence of opening the observation window on the temperature stability in the furnace, can avoid scalding the staff, is favorable for improving the safety.

The utility model discloses a shell structure of grinding equipment, which comprises a base and a frame structure arranged on the base, four side plates are mounted on the frame structure, and a distribution box is fixed at the top of the frame structure; wherein two adjacent side plates are provided with openings located at the same corner, each opening is slidably provided with an operation door, and magnetic parts which are magnetically attracted with each other are embedded into the ends, making contact with each other in a closed mode, of the two operation doors; observation windows are mounted on the other two adjacent side plates; a bottom groove is formed in the bottom of the base, and a water tank assembly is arranged in the bottom groove in a sliding mode. The operation space is increased by changing the arrangement mode of the operation door, workpiece feeding and discharging operation can be conveniently carried out in the space with the small size, meanwhile, cooling liquid collection treatment is carried out on the outer side of the shell structure, and convenience is improved.

The utility model relates to the field of otoacoustic screening equipment, in particular to an otoacoustic screening instrument probe based on wireless transmission, which comprises an otoacoustic screening instrument probe body, an indicating lamp and an otoacoustic collector, and the bottom of the otoacoustic screening instrument probe body is provided with an accommodating cavity for accommodating a battery; a clamping device is arranged on the inner wall of the containing cavity, an outer clamping seat is arranged on the outer side of the battery, and the outer clamping seat is arranged on the inner wall of the containing cavity through the clamping device; the indicating lamp and the otoacoustic collector are arranged on the two sides of the otoacoustic screening instrument probe body respectively. A positive electrode contact communication point and a negative electrode contact communication point are arranged at the bottom of the otoacoustic screening instrument probe body, the positive electrode contact communication point and the negative electrode contact communication point are both connected with the otoacoustic collector and the indicating lamp, and when the battery is clamped in place, the positive electrode and the negative electrode of the battery are connected with the positive electrode contact communication point and the negative electrode contact communication point respectively.

The utility model discloses a low-temperature storage box for fat-soluble vitamin detection reagents, and belongs to the technical field of vitamin detection reagent storage. Comprising a box body, a drawable partition plate is installed in the box body, a containing barrel is arranged on the partition plate, a push column is inserted into the containing barrel, a containing base is fixedly connected to the top end of the push column, a supporting rod is fixedly connected to the face, facing the partition plate, of the containing base, and a sealing plate is fixedly connected to the end, away from the containing base, of the supporting rod. When the vitamin reagents are stored, the vitamin reagents can be placed in the containing bases in the containing barrels, the vitamin reagents are stored independently, do not affect one another and do not collide with one another, the situation that other reagents are knocked off when the reagents are taken can be effectively avoided, the reagents are stored more safely, and when the reagents are taken from the interior of the box body, the vitamin reagents can be placed in the containing bases in the containing barrels. The sealing plate is used for sealing and shielding, so that other reagents cannot be irradiated by an external light source, the influence on the reagents is avoided, and the storage of the reagents is facilitated.

The utility model provides a kind of adjustable spectrum shaking table belongs to medical diagnosis and detection technical field, the device includes tray, disposable test piece one, disposable test piece two, drive base and homogenizing plate, installation groove is opened in tray, several LED lamp beads are evenly distributed in installation groove, and clamping strip is symmetrically arranged and fixedly connected at installation groove slot mouth edge, drive base is set in tray lower end, and homogenizing plate is clamped on clamping strip, the device is according to the deficiency of existing disposable test piece, by setting LED lamp bead, homogenizing plate cooperate drive base, it can guarantee that the style of different viscosity has very good shaking effect, eliminate the intensity, angle difference of artificial shaking, improve result consistency, the device can be operated without professional training, can directly use marketable disposable test piece, support a variety of serological detection, equipment operation is simple, overall cost is lower, it is favorable to market promotion, with good market prospect before sale.

This utility model relates to the field of electronic water pump technology, specifically to a testing device for automotive electronic water pumps. The testing device includes an outer frame and a water pump. The outer frame is rotatably connected to a fixed cover via an electric push rod. Both the fixed cover and the outer frame are rotatably connected to the water pump. The fixed cover is threadedly connected to a fixing assembly via a screw rod. The fixing assembly is in close contact with the water pump. The fixing assembly includes several limiting plates evenly distributed inside the fixed cover, with one end of each limiting plate rotatably connected to the screw rod. The advantages of this utility model are: the fixing assembly can fix water pumps of different shapes horizontally, and the buffer plate and fixing frame can fix and limit the water pump vertically, while facilitating rotation. At this time, the water pump is fixed and cannot move, but it can be rotated during testing, thus facilitating testing and observation.

The utility model belongs to the technical field of mold machining and fixing, and particularly relates to a plastic part mold machining and positioning tool which comprises a machining table, a positioning table and a driving mechanism. Two plastic molds with different heights can be machined at the same height through the arranged driving mechanism, the machining observation convenience of the two plastic molds is improved, the two plastic molds can be driven to move and cooperate in the machining process of the two plastic molds, error deviation of the plastic molds in the machining process is avoided, and the machining efficiency of the plastic molds is improved. And processing and observation of the plastic mold are facilitated.

The utility model provides a novel cable line endurance detection equipment, including the bottom die for bearing the detection piece, set in the upper cover plate of bottom die, the pull plate assembly that goes down by pulling the upper cover plate to press tightly fixed detection piece on the bottom die, the rotary drag mechanism of rotary drag action to the cable line of detection piece. The novel cable line endurance detection equipment passes through setting bottom die, upper cover plate, pull plate assembly and rotary drag mechanism, so that can carry out rotary drag action to the cable line of detection piece, compares with manual drag mode among the prior art, has reduced the labor intensity, has also promoted the detection efficiency.

The utility model provides a kind of light-emitting character fastening device, including mounting plate, the front side of mounting plate is provided with bottom plate, the front side of bottom plate is provided with light-emitting character, be provided with round hole on mounting plate, the inside of round hole is provided with magnet one, the rear side of bottom plate is provided with the magnet two corresponding with round hole, the front side of mounting plate is provided with U-shaped plate, the rear side of bottom plate is provided with the L-shaped plate of corresponding clamping with U-shaped plate. Through the light-emitting character fastening device described in the utility model, not only can satisfy the basic demand of the fastening of light-emitting character, but also can be fastened to light-emitting character in the mode of magnetic attraction and buckle, save time and effort, avoid the need for overall disassembly when maintaining, meet the use demand of people.

The utility model relates to the technical field of medical instruments, and discloses a bone squeezer which comprises a fixing mechanism and a tilting mechanism, the tilting mechanism is arranged on the fixing mechanism, the fixing mechanism comprises a fixing seat, a fixing column is fixedly installed at the front end of the top of the fixing seat, a frame shaped like a Chinese character'hui 'is fixedly installed at the top of the fixing column, and the fixing seat is fixedly connected with the fixing column. An opening is formed in the rear end of the concentric-square-shaped frame, the warping and shifting mechanism comprises supporting rods fixedly installed at the left end and the right end of the fixing base, the surface of each supporting rod is slidably connected with two sliding blocks, and elastic nuts are connected between the outer walls of the left sides of the sliding blocks and the supporting rods in a threaded mode. According to the bone squeezer, accurate turning and shifting assistance for bone restoration can be achieved, the position of the turning and shifting head can be accurately adjusted by adjusting the position of the sliding block on the supporting rod and fixing the sliding block through the elastic nut so as to meet different bone restoration requirements, and operation flexibility is enhanced.

The application belongs to the technical field of medicine, and particularly relates to a method for embedding micro-organoids or cells with agarose. The method for embedding micro-organoids or cells with agarose comprises the following steps: 1) fixing micro-organoids or cells with a fixing solution; 2) washing the fixed organoids or cells, removing supernatant after centrifugation, and obtaining organoid or cell precipitate; 3) pre-embedding organoids or cells with agarose; 4) taking out the agarose pre-embedded organoids or cells after demolding, and transferring the agarose pre-embedded organoids or cells to an embedding box, and sequentially performing ethanol gradient dehydration, transparent treatment and paraffin wax immersion treatment on the sample according to a specific procedure; and 5) paraffin embedding. Compared with the prior art, the application has the following beneficial effects: improving organoid / cell density; by agarose embedding, reducing the relative dispersion volume of organoids / cells, significantly improving the density of the sample in the slice, facilitating observation and detection, and having good detection effect.

The present application relates to a steam turbine maintenance tool technical field, especially for a kind of steam turbine maintenance scraper, including scraper shell, the inside of scraper shell is provided with blade adjusting mechanism, the front of scraper shell is connected with scraper handle;Blade adjusting mechanism includes gear rotationally connected at the inside center of scraper shell, the inside of scraper shell and located at the front and back of gear both sides are meshed and connected with rack, rack outside is equipped with scraper blade, gear top is provided with limit hole, gear top is connected with rotating rod, one end of rotating rod is connected with knob and penetrates the top of scraper shell, the outside of rotating rod and located at the top of scraper shell is slidably connected with limit cover, the bottom of limit cover is symmetrically provided with fixed insertion rod and is used in cooperation with limit hole;Light socket is connected on scraper handle.The blade of both sides scraper is adjusted easily, satisfies the operation to the steam seal tooth slot of different width, and high accuracy of operation.

The utility model discloses a general vehicle full -color night -vision auxiliary driving system, including multi -objective camera, individual helmet, car machine big screen and panoramic video processor, multi -objective camera all with panoramic video processor electricity is connected with individual helmet, car machine big screen, the multi -objective camera is used for gathering the image of vehicle surrounding environment, individual helmet is provided with head -mounted display, and the head -mounted display of individual helmet is used to present the image of vehicle surrounding environment after the processing of panoramic video processor, car machine big screen is used for presenting the image of vehicle surrounding environment after the processing of panoramic video processor on the vehicle. The utility model solves the problem that the imaging color of traditional vehicle night -vision auxiliary equipment is single, the detail is not clear, cannot provide panoramic visual information, is difficult to effectively integrate with vehicle system, helps the driver to be more accurate in judging the road condition under the night and complex environment, and improves driving safety and convenience.

The utility model belongs to the technical field of bell-type furnaces, and discloses a bell-type furnace safety hoisting indicating device which comprises a cover body, a hoisting ring is arranged at the top of the cover body, the cover body is provided with an indicating device, the indicating device comprises a heavy hammer, a turning plate and two groups of supporting plates arranged on one side of the hoisting ring, and the supporting plates are arranged at intervals. A rotating shaft rotationally connected with the supporting plate penetrates through the upper portion of the supporting plate, one end of the rotating shaft penetrates out of the supporting plate on one side, the end of the rotating shaft is connected with a heavy hammer through a rope, a guide sleeve for the rope to penetrate through is arranged on the edge of the cover body, a positioning sleeve is arranged on the vertical side wall of the cover body and located below the guide sleeve, and the heavy hammer penetrates through the positioning sleeve in a sliding mode. The turning plate is arranged on the rotating shaft, located on one side of the hanging ring and used for being matched with a hook head of a crane to drive the rotating shaft to rotate, and the rope pulls the heavy hammer to move. By taking the positioning sleeve as a reference, a worker observes the movement of the counter weight, so that the hanging state of the hook head and the hanging ring can be accurately judged.

This invention belongs to the field of reactor superstructure internals maintenance technology, specifically relating to a process and apparatus for maintaining the locking cap of the guide tube bolts of the superstructure internals control rods. It includes a bolt torque verification tool and an automatic locking cap bending tool. The bolt torque verification tool works in conjunction with a torque wrench to verify the bolt torque. The automatic locking cap bending tool controls the expansion claw to align with the groove on the locking bolt head, driving the expansion claw to press down and bend the locking cap, thus preventing loosening of the bolt. The advantages are: both the bolt torque verification tool and the automatic locking cap bending tool are transported to the work area using a hoist, without altering the site environment; both tools are long-rod structures, allowing operators to operate them remotely from a platform, and in conjunction with a torque wrench, can verify whether the torque of the guide tube bolts meets the locking requirements.

This application provides a method, device, electronic device, and storage medium for displaying a target plane. The method includes: acquiring a first coordinate group of P markers attached to the patient's body surface in a CT coordinate system based on CT images; tracking a second coordinate group of the P markers in an optical coordinate system using an optical tracking device; registering the first and second coordinate groups to obtain a first real-time transformation matrix from the CT coordinate system to the optical coordinate system; calculating second real-time coordinates of the needle tip and needle tail in the CT coordinate system based on the first real-time transformation matrix, the first real-time needle tip coordinates, and the first real-time needle tail coordinates in the optical coordinate system; and displaying the positions of the needle tip, needle tail, and target point in the target plane based on the coordinates projected onto the target plane from the second real-time needle tip coordinates, the coordinates projected onto the target plane from the second real-time needle tail coordinates, and the target point coordinates in the CT coordinate system. This method can avoid harm to the patient caused by puncture surgery.

The utility model relates to cell culture tool technical field especially, more particularly to an array formula multi -hole separation cell culture dish. The utility model provides an array formula multi -hole separation cell culture dish, solves the technical problem that cell culture dish in prior art can only culture same kind of cell under same environment. An array formula multi -hole separation cell culture dish, including frame, culture cavity, culture cavity set up in frame, and mark, mark set up in frame, and, every mark corresponds an independent culture cavity, array formula multi -hole separation cell culture dish sets up a plurality of independent culture cavities, and every culture cavity can be regarded as an independent'small culture dish'. This makes under same frame, to same kind of microorganism in different nutrient solution, medicine or other environmental conditions can carry out culture experiment simultaneously.

This utility model relates to the field of labeling equipment technology, specifically an SMT automatic labeling device. It mainly includes a label machine housing, with a feeding rack installed on the front inner side of the housing and a transfer rack fixedly installed on the top inner side of the housing. A positioning plate is connected to the center of the top inner side of the housing. The guiding and collecting assembly includes a collecting box, with an adjusting frame connected to the outside of the collecting box. A guide box is fixedly connected to the top of the collecting box, and a reversing shaft is connected to the inside of the guide box. The observation and wiping assembly includes a protective plate, with a toggle plate at the top of the protective plate. This SMT automatic labeling device utilizes a reversing shaft for flexible positioning guidance during the labeling process, facilitating the even collection of release paper onto the winding shaft. The side rotation of the threaded rod also facilitates the disassembly and assembly of the winding shaft, improving the collection efficiency of the release paper. Through overall protective collection, it enables recycling and reduces operating costs.

The utility model provides a kind of special pressurizing feeding device, it is related to pressurizing feeding field, a kind of special pressurizing feeding device includes barrel, head, discharge assembly and mould assembly, by feeding fan through suction angle seat, and by feeding ball valve to barrel is filled with material, when needing to feed mould, by pressurized air pipe via pressurized angle seat valve to barrel is applied pre-pressure, guarantee the stability of pressure in processing process, make its fast and full feeding process, avoid the occurrence of product material shortage phenomenon, discharge cylinder drives rotary arm to make discharge carousel rotate, cooperate with feeding hose to rapidly hit the material in barrel into mould cavity, improve the flexibility and accuracy of discharge, and can accurately control product gram weight, the setting of observation component, convenient operator observes barrel internal condition anytime, timely makes corresponding adjustment, interference fit between multiple material gun and feeding hose, ensure that material is evenly injected into mould inside, guarantee the quality and consistency of product.

The utility model discloses a fireproof door structure, including the door body and being located on the door body observation window, be equipped with the liquid injection cavity in the observation window, be provided with non - transparent liquid in the liquid injection cavity, the liquid injection cavity is connected with the flow pipe, be equipped with the valve pipe on the flow pipe, be provided with the valve rod transversely in the valve pipe, be equipped with the flow hole on the valve rod, be equipped with the electromagnetic switch on the door body, the electromagnetic switch is connected with the fireproof system electricity, the utility model discloses through in non - transparent liquid, liquid injection cavity, electromagnetic valve and fireproof system linkage control, realized the intelligent switching of observation window state. Under the daily state, fill non - transparent liquid in the liquid injection cavity, effectively guarantee the privacy and safety of the space behind the door, when the fire breaks out, the fire control center triggers the electromagnetic switch action, opens the flow channel, empties the liquid, makes the observation window restore transparent, and the personnel in the door observes the external condition, makes the correct judgement, greatly promotes the safety guarantee of personnel in the fire.

The utility model relates to the field of fungus cultivation frames, and discloses a practical edible fungus high-layer frame for edible fungus cultivation, which comprises two supporting plates, bottom rods are mounted at the bottoms of the supporting plates, rotating plates are rotatably connected to the opposite sides of the two supporting plates, and a driving motor is mounted on the side surface of the supporting plate on one side. A plurality of supporting rods are fixedly connected to the opposite sides of the two rotating plates at equal angles, placing grooves are rotatably connected between the corresponding ends of the supporting rods on the two sides, convex shafts are fixedly connected to the side faces of the multiple placing grooves in one side, one ends of the convex shafts penetrate through the ends of the supporting rods on the same side, and the other ends of the convex shafts penetrate through the ends of the supporting rods on the same side. The rotating plates on the same side are driven by the driving motors to rotate, so that the supporting rods arranged in the circumferential direction rotate, the containing grooves can rotate between the two rotating plates, and at the moment, cultivation personnel can stand on the ground and can observe edible mushrooms at different positions and heights in sequence without additional auxiliary tools; and convenience is brought to observation of cultivation personnel.

The utility model provides a combined optical experiment box teaching aid. The combined optical experiment box teaching aid is composed of a box body, three drawers capable of being drawn out completely are arranged in the box body and correspond to teaching aids of light reflection, light three-primary color and dispersion and light refraction respectively, and an experiment board is arranged at the top of the box body and corresponds to a light linear propagation teaching aid. According to the teaching aid, experiments of linear propagation of light, reflection of light, refraction of light, three primary colors and dispersion of light and the like are integrated in one experiment box through modular design, and the problems that an existing optical teaching aid is poor in integration, insufficient in light path visualization, complex in operation, poor in portability and the like are solved. The teaching aid has the advantages of simplicity and convenience in operation, clear light path, high interactivity and the like, is suitable for classroom teaching and autonomous exploration of students, and contributes to improving the teaching effect and the scientific literacy of the students.

The utility model discloses a fast locking adjustable building measuring scale, and specifically relates to the measuring scale technology field, the fast locking adjustable building measuring scale comprises a first scale body, one side of the first scale body is fixedly provided with a connecting column, the surface of the connecting column is sleeved with a second scale body, two ends of the connecting column are fixedly provided with limiting discs, and one side of the second scale body is provided with a locking mechanism. The locking mechanism comprises an L-shaped fixing block fixedly arranged on one side of the second ruler body, a sliding groove is formed in the L-shaped fixing block, a cross-shaped sliding block is arranged in the sliding groove in a sliding mode, a fixing plate is fixedly arranged at the bottom of the cross-shaped sliding block, and a limiting rod is fixedly arranged in the fixing plate. According to the utility model, the angle between the first ruler body and the second ruler body can be flexibly adjusted to adapt to different measurement scenes, unlocking and locking can be rapidly realized, the angle stability during measurement is ensured, and the practicability and reliability of the measuring ruler in the aspect of length adjustment are enhanced.

This utility model discloses a multi-channel Bluetooth tester, including a housing assembly; a Bluetooth test circuit board fixedly disposed within the housing assembly, capable of simultaneously performing Bluetooth testing operations on multiple devices under test; multiple receiving antennas respectively fixedly disposed on the Bluetooth test circuit board and penetrating the housing assembly, each individually receiving Bluetooth signals from its corresponding device under test; a display screen fixedly disposed through the housing assembly and electrically connected to the Bluetooth test circuit board; and a heat dissipation assembly fixedly and electrically connected to the side of the Bluetooth test circuit board, which actively dissipates heat from the Bluetooth test circuit board. This utility model effectively solves the problem of low testing efficiency in existing Bluetooth testers by using multiple receiving antennas to individually receive Bluetooth signals from their respective devices under test and transmit them to the Bluetooth test circuit board for synchronous Bluetooth testing operations.

The utility model discloses a gift packaging box formed through die cutting, and relates to the technical field of packaging boxes. The packaging box comprises an outer box body and an inner box body, the inner box body is arranged in the outer box body in a sliding mode, the outer box body is used for sealing and protecting the inner box body, and the inner box body is used for containing products. Two clamping plates are further included, the two clamping plates are hinged to one side of an opening of the outer box, and clamping grooves are formed in the two clamping plates; the packaging box further comprises a fixing plate which is arranged on one side of the inner box. According to the gift packaging box, due to the innovative design, the packaging box is convenient to open and close, stable to fix and efficient in storage; the sliding structure is matched with the clamping plate fixing plate, so that the structural strength and the lifting stability are enhanced; the fixing belt and the fixing buckle are further sealed and fixed, and safety is improved; in addition, the packaging box can be customized in a die cutting mode according to actual requirements and is suitable for products of different sizes and shapes, and applicability and flexibility are improved.

The application discloses a cooling tower facilitating observation of the inside of a heat exchange layer, and relates to the technical field of cooling towers. The cooling tower comprises, from top to bottom, a fan system, a spraying system, a heat exchange layer, a filler layer and a water tank. The heat exchange layer is connected with a hot medium inlet pipe and a cold medium outlet pipe. The four side walls of the heat exchange layer are provided with observation holes. An observation frame is arranged on each observation hole, and a transparent plate is arranged in the observation frame. The application facilitates observation of the inside of the heat exchange layer.

The utility model discloses a manual valve with electric drive part can install, the utility model relates to valve technical field, including valve body subassembly and assembly subassembly, the valve body subassembly includes valve body, be provided with the mounting cover on the valve body, be provided with valve stem on the mounting cover, the top of valve stem even has been seted up recess, has been seted up screw hole on the valve stem, through setting recess and screw hole on the valve stem, the positioning is convenient to the axle body, sets up bolt no.

The application discloses a kind of liquid flow dyeing after water purification circulating reuse energy-saving emission reduction device, mixing tank is communicated with the pump body by pipeline, the pump body is connected with the heater input end, the heater output end is communicated with the return pipe, the return pipe both ends are respectively communicated with the both ends of the mixing tank, the partition plate is arranged in the heater, the heater is divided into two parts, the liquid storage tank is arranged in one side of the mixing tank, the liquid storage tank is communicated with one end of reusing pipe, the other end of reusing pipe is respectively communicated with the return pipe.The application is analyzed to dyeing water quality, after being introduced into the equipment, compared with traditional liquid flow dyeing equipment, water is effectively saved by 30~40%, the cost of water, steam, sewage treatment of dyeing factory is greatly reduced, and because of the great reduction of absolute pollution amount, the purpose of protecting water resources and environment is achieved.