40results about How to "Simplify operating procedures" patented technology

The invention discloses an NK cell culture system and an in-vitro amplification method. The invention firstly discloses a culture system of the NK cells, wherein the culture system comprises a coating solution, an activation culture medium and an amplification culture medium. The invention further discloses a method for in-vitro amplification of NK cells by using the culture system. According to the method for amplifying the NK cells in vitro, the use of protein cell factors is simplified, only two factors of IL-2 and IL-15 are matched with CD16 and progesterone to directly culture mononuclear cells, and the required cost can be reduced to a great extent; sorting is not needed, all mononuclear cells can be used for culture, the operation procedure is simplified, and the culture cost is reduced; the process is simplified, and pollution is avoided to the greatest extent; meanwhile, the cultured NK cells are stable, safe, high in activity, enhanced in expansion, high in purity, short in period, strong in killing ability, high in cost performance and suitable for industrial production.

The invention discloses a Fel D1 and Fel D4 fusion protein and application thereof, the Fel D1 and Fel D4 fusion protein is obtained in a prokaryotic expression mode, the fusion expressed protein greatly simplifies operation procedures in the aspects of inducing protein expression, purification, concentration, immunization and the like, and the economic cost is reduced. According to the preparation method of the egg yolk antibody provided by the invention, the egg yolk antibody obtained through fusion protein immunization laying hens can be subjected to antibody-antigen reaction with Fel D1 and Fel D4 respectively, and the titer of the egg yolk antibody is higher than that of a single antigen protein immunization group and a combined immunization group. The invention further provides a preparation method of the functional cat food, the egg yolk powder is added into the cat food according to a certain proportion, after the cat food is fed for a period of time, the content of Fel D1 and Fel D4 in cat hair and saliva is remarkably reduced, the cat food prepared from the fusion protein egg yolk antibody can resist Fel D1 and Fel D4 at the same time, and the blocking effect is remarkably improved.

According to the flow adjusting method of the variable-inlet-pressure reciprocating compressor, the use sequence of all stages of air cylinders is reasonably formulated according to the change period of the inlet pressure of the compressor, and the purpose of precise flow adjustment can be achieved in combination with the backflow operation of the adjusting valve; the energy-saving effect is obvious through the method that all stages of cylinders are put into use step by step; the working characteristics of the compressor unloader are fully and reasonably utilized, and compared with a traditional scheme that single backflow adjustment is conducted or multiple compressors with different pressure intervals are arranged, the operation procedure is simple, and project investment is saved.

The utility model discloses a solid-liquid separation device for making a solid beverage, which belongs to the technical field of food processing, and comprises a supporting seat, a plurality of guide wheels are symmetrically arranged on the inner wall of the supporting seat at equal intervals, and the guide wheels are arranged on the inner wall of the supporting seat. The bottom of the inner side of the supporting seat is provided with a drainage groove which is arranged at an angle, the tail end of the drainage groove is provided with a liquid receiving box which is fixedly connected with the supporting seat, the end part of the liquid receiving box is communicated and connected with a liquid outlet pipe, the inner side of the supporting seat is provided with a solid-liquid separation assembly, and the top of the supporting seat is fixedly connected with a housing; a base is installed below the supporting seat, a driving motor is installed on the edge, close to the gear ring, of the base, the power output end of the driving motor is in transmission connection with a driving gear, solid-liquid separation can be achieved only through feeding, separated solids do not need to be treated, and the operation procedure is simplified.

The utility model discloses a water quality standard solution titration device, including first container, liquid passage, solution container, water pump, control valve, flowmeter and colority detection subassembly, liquid passage is provided with two at least, and the one end of each titration tube is inserted to the above of first container, the liquid in solution container is made to flow into the liquid passage with the one end of each liquid passage away from titration tube intercommunication, water pump is communicated with liquid passage, and the liquid in solution container is dripped into first container under the drive of water pump through liquid passage and titration tube, control valve is arranged on titration tube, and colority detection subassembly is arranged above first container, water pump can drive solution to drip into first container through liquid passage and titration tube, replaces manual solution and drips into first container, realizes the automation, reduces the experimental error because of manual multiple comparison color, simplifies the operation procedure, and reduces the manual cost.

The invention provides fluorescent quantitative PCR primers, a kit and a method for detecting fowl adenovirus 4, and belongs to the technical field of biological detection. The nucleotide sequence of the fluorescent quantitative PCR primer pair for detecting the fowl adenovirus 4 provided by the invention is shown as SEQ ID NO.1 and SEQ ID NO.2 or a complementary sequence of the SEQ ID NO.1 and SEQ ID NO.2. The fluorescent quantitative PCR primer and the method for detecting the fowl adenovirus 4, provided by the invention, are high in sensitivity and strong in specificity, and are negative when being used for detecting fowl adenovirus 8, Newcastle disease virus, H9 subtype avian influenza virus, infectious bronchitis virus, infectious bursal disease virus, Marek's disease virus, egg drop syndrome virus and mycoplasma synoviae, and can be used for detecting fowl adenovirus 8, Newcastle disease virus, H9 subtype avian influenza virus, infectious bronchitis virus, infectious bursal disease virus, Marek's disease virus, egg drop syndrome virus and mycoplasma synoviae. And false positive can be effectively avoided.

The invention discloses a KASP primer composition, a reaction system and application of the KASP primer composition in detection of an ALDH2 gene rs671 polymorphic site, and relates to the technical field of biology. According to the invention, a KASP typing technology which is more popular in recent years is adopted, a universal probe is used in the KASP technology and is located in a reaction system, and detection can be carried out only by synthesizing a common amplification primer during detection. Two pairs of universal probes are respectively complementary with a first tag sequence and a second tag sequence, so that amplification products of different genotypes are subjected to fluorophore labeling, and different SNPs correspond to different fluorescence signals. And a typing result can be obtained by collecting and analyzing a fluorescence signal. The primer composition and the kit provided by the invention can realize accurate, rapid, simple and convenient detection of the SNP at the rs671 site of the ALDH2 gene, have the advantages of high sensitivity, strong specificity, simple operation procedure, short detection time and the like, and have wide application prospects.

The invention provides a hydrocarbon generation simulation experimental instrument and a gas-liquid collection method and a cleaning method thereof. A gas-liquid separation tank, a telescopic pipe assembly, an evacuation protection valve, a bidirectional vacuum pump, a gas collecting bottle and a gas injection valve are connected in series along a main pipeline. A evacuation branch pipe is branched from the main pipeline between the evacuation protection valve and the bidirectional vacuum pump. The evacuation valve is connected in series to the evacuation branch pipe. A connecting pipe is connected between the gas collecting bottle and the main pipeline. A gas collecting pressure meter, a gas collecting valve and an automatic gas meter are connected in series to the connecting pipe. The gas collecting bottle is connected to a gas collecting bag soft tank through the gas collecting valve. A solvent branch pipe is also branched from the main pipeline between the bidirectional vacuum pump and the gas injection valve. A solvent valve is connected in series to the solvent branch pipe. A solvent flushing valve is connected in series to a branch pipe one at the end of the solvent branch pipe. The end of the branch pipe one is connected to a solvent collecting cold trap. A solvent injection valve is connected in series to a branch pipe two at the end of the solvent branch pipe. The end of the branch pipe two is connected to a solvent collecting tank. A heating resistor is arranged in the solvent collecting tank. A solvent recovery valve is connected between the solvent collecting tank and the solvent collecting cold trap.

The invention belongs to the technical field of medicine preparation, and particularly relates to a synthesis method and an intermediate of rosmeltirol. The method comprises the following steps: (1) mixing SM1, organic monobasic acid and inorganic acid in proportion, stirring and dissolving, dropwise adding a sodium salt solution, and then adding SM2 and a carboxylate solution for reaction to prepare an intermediate 1; (2) dissolving the intermediate 1 in an amide compound, adding potassium salt, heating for reaction, and purifying to obtain an intermediate 2; (3) dissolving the intermediate 2 in aromatic hydrocarbon, adding boride, and performing deprotection and purification to obtain an intermediate 3; and (4) dissolving the intermediate 3 in an organic sulfide, then adding SM3 and inorganic salt, and carrying out heating reaction and purification to obtain the rosimeltirome. The method provided by the invention has the characteristics of concise, efficient and safe synthesis of the rosmeltirol, reduces by-products, is helpful for improving the purity and stability of the product, avoids the use of expensive Grignard reagent and complex purification steps, and is more suitable for large-scale industrial production.

The present invention provides a method for controlling the segmented pressure relief and reinforcement of the tunnel roof based on double tunnel excavation, including: obtaining geological parameters of the coal seam roof; according to the geological parameters, drilling holes obliquely toward the coal seam roof at the side tunnel wall of the coal pillar in the second tunnel, so that the drilled holes pass through the direct roof of the first tunnel and extend into the basic roof of the mining face; based on the section where the drill hole located at the basic roof is located, hydraulic fracturing is performed on the basic roof; based on the section where the drill hole located at the direct roof is located, grouting reinforcement is performed on the direct roof. The present invention not only optimizes the fracturing and grouting operation procedures in terms of technology and improves the operation efficiency, but also can alleviate the influence of the high advanced support pressure and lateral support pressure caused by the difficulty of hard roof collapse on the stability of the tunnel surrounding rock, improve the structural integrity and bearing capacity of the local roof of the tunnel, transfer the stress above the coal pillar in the section to a certain extent, and achieve the purpose of controlling the deformation of the tunnel surrounding rock.

The utility model discloses an improved digital double-seat active slip system. The improved digital double-seat active slip system comprises an axial power slip assembly, a data acquisition system, an upper digital flange, a lower digital flange, a spraying device and the like. The upper digital flange comprises an upper flange and an upper load sensor, the lower digital flange comprises a lower flange and a lower load sensor, and the upper load sensor and the lower load sensor are both connected with the data acquisition system; the slip system further comprises a guide column, and the two ends of the guide column penetrate through the two ends of the axial power slip assembly respectively and then are fixedly connected with the upper flange and the lower flange respectively. According to the system, single-seat movement is changed into double-seat movement, the clamping force of the slip is actively controlled, one set of device can effectively control a pipe column to be ejected upwards to fly out or fall into a well, the operation process is simplified, and the slip insert cleaning and cooling functions are achieved; operation parameters such as the stress size and direction of the pipe column are obtained in real time, and digital upgrading of the slip system is achieved for the first time.

The hydraulic core mold device of the concrete hollow slab beam comprises a bottom plate, side plates, end molds and a mold core, the two end molds are erected on the bottom plate in a spaced mode and connected through the side plates, a forming cavity is defined by the end molds, the side plates and the bottom plate, the mold core is erected in the middle of the forming cavity, the mold core comprises two crescent-shaped mold plates arranged oppositely, and the crescent-shaped mold plates are arranged oppositely. The crescent formwork comprises an L-shaped connecting plate and two wing plates arranged up and down, the connecting plate is welded to the wing plates, and every two adjacent wing plates are connected through a hinge on the connecting plate. The whole structure is simple, the hydraulic cylinder is located on the end mold, operation procedures are simplified, and overhauling and maintaining are convenient; the middle supporting plate, the hinge seat and the wing plate of the crescent mold plate are integrally connected through the full-length linkage rod, on one hand, the number of the hydraulic cylinders can be greatly reduced, the mold core is expanded to form a cavity shape or retracted to form a folded shape, forming or demolding of the mold core is facilitated, and on the other hand, the stroke of the piston rod can be shortened by directly pushing the full-length linkage rod through the hydraulic cylinders.

The present invention discloses a wire bundle winding device, which comprises a frame, a winding head, a lifting mechanism, a wire cutting and sucking device, a pre-network device, a lower guide plate, an upper guide plate, and a lifting seat; the frame comprises two side walls, a transverse wall connecting the two side walls, and a support portion fixed on the transverse wall; the rear end of the winding head is located between the two side walls; the lifting mechanism comprises a support frame and a lifting drive, the lower end of the support frame is located above the front end of the winding head, the support frame is obliquely fixed to the support portion, and the lifting drive is arranged on the support frame; the wire cutting and sucking device, the pre-network device, and the lower guide plate are located at the lower end of the support frame; the lifting seat is fixed to the movable end of the lifting drive, and the upper guide plate is fixed to the lifting seat.

The present invention discloses a fusion protein of Fel D1 and Fel D4 and its application. The present invention obtains the fusion protein of Fel D1 and Fel D4 by prokaryotic expression. The fusion expressed protein greatly simplifies the operation procedures in terms of inducing protein expression, purification, concentration and immunization, and reduces the economic cost. The present invention provides a method for preparing egg yolk antibodies. The egg yolk antibodies obtained by immunizing laying hens with fusion proteins can react with Fel D1 and Fel D4 respectively, and the titer is higher than that of a single antigen protein immunization group and a combined immunization group. The present invention also provides a method for preparing a functional cat food. Egg yolk powder is added to the cat food in a certain proportion. After feeding for a period of time, the content of Fel D1 and Fel D4 in the cat's hair and saliva is significantly reduced, and the cat food prepared by the fusion protein egg yolk antibody can resist Fel D1 and Fel D4 at the same time, and the blocking effect is significantly improved.

The utility model discloses an anti-collision financial bill storage device which comprises a box body, and a protection mechanism and a storage mechanism are installed on the box body. And the protection mechanism comprises an anti-collision shell, protection air bags, a lower pressing plate, a connecting rod, a pressing plate, a connecting block, a sliding rod and a limiting strip, and the protection air bags are installed in the anti-collision shell and located at the two ends of the top of the lower pressing plate. According to the financial bill storage box, the structural property of the storage box can be improved through the connection arrangement of the protection mechanism, the anti-collision shell, the protection air bag, the lower pressing plate, the connecting rod, the pressing plate, the connecting block, the sliding rod and the limiting strip, so that the possibility that financial bills are damaged is reduced, and certain protection equipment is provided for storage of the financial bills; through the arrangement of the storage mechanism, the hinge, the box door, the handle, the pull rod and the storage frame, needed financial bills can be quickly taken in a pull mode, the operation procedure is simplified, and convenience is provided for a user.

The utility model discloses a water storage box and refrigeration equipment, the water storage box comprises a water box main body and a water box cover, the water box main body is provided with a water storage cavity and a first opening communicated with the water storage cavity; the water box cover is used for being mounted on water utilization equipment; the water box main body is in sliding connection with the water box cover in a movable switching mode between a first matching position and a second matching position, and when the water box main body slides to the first matching position relative to the water box cover, a first opening of the water box main body is sealed and covered by the water box cover; and when the water box main body slides to a second matching position relative to the water box cover, at least part of the first opening of the water box main body is separated from the water box cover and is exposed. According to the water storage box provided by the utility model, the cleanliness can be ensured, and meanwhile, the operation procedure of adding water into the water storage box by a user can be simplified.

The application provides an AC-DC power supply test bed power distribution control system, comprising an AC power supply, a switching power supply, a DC power supply, a touch screen, a PLC, a communication interface conversion circuit, a frequency converter and a motor, wherein the AC power supply is connected with the switching power supply, the touch screen and the frequency converter respectively, the switching power supply is connected with the DC power supply, the touch screen, the communication interface conversion circuit and the frequency converter in sequence, the communication interface conversion circuit is connected with the frequency converter and the PLC respectively, and the frequency converter is connected with the motor; the I0.0 input port of the PLC is connected with a change-over switch to select a manual or automatic working mode for the test bed power distribution control system, the I0.1 input port of the PLC is connected with a start button to start the frequency converter of the test bed power distribution control system, the I0.2 input port of the PLC is connected with a stop button to stop the frequency converter of the test bed power distribution control system, and the I0.3 input port of the PLC is connected with an emergency stop button to control the stop of the test bed power distribution control system.

The present invention provides a single-cell biophysical property detection device and method based on a non-compressible channel, the method comprising: fluorescently staining the cell nucleus of the cell to be tested; injecting the stained cell to be tested into a microfluidic chip, and using a negative pressure driving module to drive the cell to be tested to flow in a non-compressed form in a cell detection channel of the microfluidic chip; using an impedance detection module to record DC resistance data and multiple high-frequency impedance data of the cell to be tested flowing in the cell detection channel, wherein the high frequency range includes: 100kHz-1GHz; using a photoelectric detection module to record the fluorescence intensity data of the cell nucleus of the cell to be tested flowing in the fluorescence detection window; and using a data analysis and processing module to calculate the biophysical properties of the cell to be tested according to the DC resistance data, multiple high-frequency impedance data, and fluorescence intensity data, wherein the biophysical properties of the cell to be tested include cell diameter, cell nuclear diameter, cell membrane specific capacitance, and cytoplasm conductivity.

The utility model provides a releasing tool for plugging an oil pipe leakage point below a joint hoop by an oil pipe joint hoop, which comprises an upper central pipe, a sheath fixedly nested on the outer side of the upper central pipe, a positioning claw arranged in an interlayer between the upper central pipe and the sheath, a pin arranged on the upper central pipe, and a pin limiting rail arranged on the sheath and matched with the pin limiting rail. The lower end of the upper center pipe is connected with a lower center pipe through a middle center pipe, and a setting mechanism is arranged on the outer side of the middle center pipe and the outer side of the lower center pipe. The device has the advantages of being suitable for throwing and fishing in steel wire operation, simple and compact in overall mechanical structure, low in cost, simple in operation procedure, easy to operate and convenient for constructors to conduct field operation. The whole structure adopts a screw thread connection mode to adjust the plugging distance, and compared with a plugging releasing tool in the prior art, the plugging releasing tool has better adaptability and can be used according to various different conditions. And the inner drift diameter is relatively large, so that the later test operation is facilitated.

The utility model relates to the technical field of ferrous metallurgy, in particular to an on-line tuyere poking device after blast furnace coal lance transformation, which comprises a quick connector, a poking drill rod and a marble valve, one end of the quick connector is a gas connecting end, the other end of the quick connector is connected with the poking drill rod, and the marble valve comprises a first straight pipe end, a middle bent pipe end, a second straight pipe end, a marble and a sealing piece. The marble is located in the bent pipe end, and the pipe diameter of the bent pipe end is larger than that of the first straight pipe end and that of the second straight pipe end; the first straight pipe end is internally connected with a sealing piece, the sealing piece comprises a sealing ring, a spring and a wind blocking ring, the poking drill rod comprises a coal gun end and an extension end, and the interior of the poking drill rod is of a hollow structure.The on-line tuyere poking device is simple in structure, safe, reliable and capable of achieving on-line tuyere poking without reducing wind and oxygen, simplifies operation procedures, improves operation safety, and is suitable for popularization and application. And the labor intensity of operators is reduced.

The present invention belongs to the field of motion capture and data processing, and discloses a six-axis motion capture system, which includes a motion capture unit, a control unit, a mobile terminal and a host computer; the motion capture unit and the control unit are connected through a hardware interface, and the control unit and the host computer and the mobile terminal are connected through a wireless network. The system has a simple structure, convenient management, and the system responds quickly, accurately and efficiently. The method for motion capture using the above system is: S1, the motion capture unit generates motion data according to the motion trajectory; S2, the mobile terminal sends a request, and the control unit obtains the data obtained by the motion capture unit; S3, the control unit transmits the motion data to the mobile terminal; S4, the mobile terminal visualizes the motion data to achieve 3D rendering and dynamic synchronization. The present invention can greatly help doctors to accurately and conveniently track and quantify the effects of rehabilitation patients in the rehabilitation treatment recovery process in real time through the mobile terminal.

The invention discloses a real-time fluorescent quantitative PCR (polymerase chain reaction) detection method and a kit for nematode filamentosa, relates to the technical field of bioengineering, and is technically characterized in that the kit comprises a primer and a TaqMan probe which are used for performing real-time fluorescent quantitative PCR detection on the nematode filamentosa by a probe method, the gene is designed according to a gene conserved region of an internal transcriptional spacer 2 (ITS2) of the nematode filamentosa; according to the invention, specific primers and probes are designed on the basis of a sequence conserved region of the nematode filamentosa, and a probe-method real-time fluorescent quantitative PCR detection method which is simple to operate, high in sensitivity, strong in specificity, good in stability and wide in dynamic range is established by constructing a plasmid standard substance and drawing a standard curve; the method can be used for qualitatively, quantitatively, quickly and accurately detecting the nematode filamentosa in different clinical samples, and has important significance for guaranteeing animal quality and human health. The method has great practical significance in the fields of control of the quality of animal-derived biological products for human and inspection and quarantine of import and export animals.

The utility model discloses a rolling type vacuum packaging machine which comprises a vacuum chamber, a vacuum meter, a water cooling water nozzle, a vacuum chamber air exhaust nozzle, a vacuum chamber stop valve, a pressurizing valve and a rack. The vacuum meter is installed on the vacuum chamber and used for monitoring the vacuum degree in the vacuum chamber. The water cooling water nozzle is arranged on the vacuum chamber and is used for providing cooling water to maintain the temperature of equipment; the vacuum chamber exhaust nozzle is connected to the vacuum chamber and is used for extracting air in the vacuum chamber; the vacuum chamber stop valve is installed on the vacuum system and used for controlling gas circulation between the vacuum chamber and the vacuum pump. The pressurizing valve is connected to the vacuum chamber and used for pressurizing the interior of the vacuum chamber; the rack is connected with the transmission mechanism and used for achieving transmission of mechanical motion. The vacuum packaging box is reasonable in structure, easy and convenient to operate, capable of effectively carrying out vacuum packaging on various objects, capable of prolonging the quality guarantee period and the fresh-keeping period and convenient to store and transport.

The utility model belongs to the technical field of machining clamps, and particularly relates to a large ball valve ball core carrying anti-collision outer clamp which comprises a clamp body, a square groove is formed in the front face of the clamp body, a round hole penetrating to the outer surface of the clamp body is formed in the top of the inner wall of the square groove, and a threaded rod is installed on the inner wall of the round hole through a bearing. A motor is fixedly installed on the upper surface of the clamp body, the surface of one end of the threaded rod is fixedly connected with the spindle end of the motor, and a sliding plate is slidably connected to the circumferential side face of the threaded rod. According to the large ball valve ball core carrying anti-collision outer clamp, by arranging the clamp device, when the device runs, a motor drives a threaded rod so as to drive a sliding plate to move, meanwhile, an annular cylinder in a circular groove in a bottom plate pushes a telescopic rod to run, a workpiece is clamped, the operation procedure can be simplified, and the work efficiency is improved. In addition, clamping force can be more uniform in the adjusting process, deformation of the ball valve shell or instability of a workpiece is reduced, and the clamping effect and the working stability are improved.

The utility model relates to the technical field of hydraulic engineering equipment, in particular to a guide vane lower end shaft dismounting tool. Comprising an abutting piece, a first positioning piece and a second positioning piece. The abutting piece is provided with a threaded rod opening and is provided with a first abutting end connected with the threaded rod opening and a second abutting end movably connected with the threaded rod opening. The second positioning piece and the second abutting end achieve smooth adjustment in the horizontal direction through the sliding groove, and the second positioning piece can be fixed to a certain position through the locking piece. The ends, away from the screw opening, of the first positioning face and the second positioning face vertically extend downwards and are provided with meshing sections, the meshing sections are connected with the positioning faces through arc transition, and the lower ends of the meshing sections further form an embedded section structure parallel to the positioning faces. According to the utility model, accurate positioning of the dismounting tool can be quickly realized.

The universal feeding frame comprises a frame body, an opening and closing disc, a telescopic assembly and an opening and closing assembly, the opening and closing disc, the telescopic assembly and the opening and closing assembly are installed on the frame body, and the opening and closing disc comprises a left half disc and a right half disc which are controlled by the opening and closing assembly to be separated in the back-to-back direction and clamped in the opposite direction; the left half disc and the right half disc are opened and closed to form a disc cavity which is provided with an upward opening and is used for placing a columnar sizing material, the telescopic assembly comprises two scissor fork type telescopic frames, the number of the telescopic frames is two, the telescopic frames are symmetrically installed on the two sides of the frame body, and the left half disc and the right half disc of each opening and closing disc are installed on crossed shafts of the telescopic frames on the two sides respectively. Compared with the prior art, the universal feeding frame has the advantages that the universal feeding frame for preassembling the sizing material before the substrate is packaged can adjust the spacing of the preassembled columnar sizing material according to various spacing requirements, and after the spacing is well adjusted and fixed, only emptying and blanking operations need to be executed, so that compared with the prior art, the operation procedure is simplified, and the working efficiency of sizing material filling is remarkably improved; the row pitch operation of the opening and closing disc and the opening and closing operation of the opening and closing disc are very simple.

The invention discloses a mobile device and an input method. The mobile device comprises a general camera module, a touch display module, a bar code scanning module, a character recognition engine and a control module. The general camera module is used for generating images. The touch display module is used for simultaneously displaying a character input field and an overlapping window of a virtual keyboard with a parallel system default input method and a preview pane of an image conversion input method. The bar code scanning module is used for scanning at least one first bar code to obtain a first word string expressed by each first bar code. The character recognition engine is used for performing character recognition on the image to obtain at least one second character string. The control module is used for starting one of the bar code scanning module and the character recognition engine and controlling the touch display module to display one of at least one first character string and at least one second character string in the character input field.

The utility model relates to the technical field of notebook computer rotating shafts, and particularly discloses an anti-deformation high-bearing rotating shaft which comprises a rotating shaft body, and an extension part is arranged on one side of the rotating shaft body. The extension part comprises an extension threaded rod which is fixedly arranged on one side of the rotating shaft body, and the extension threaded rod is in threaded connection with an extension sleeve; the outer side of the extension sleeve is in threaded connection with a connecting sleeve through a threaded piece, and a clamping assembly is arranged at the end, away from the extension sleeve, of the connecting sleeve. When the length of the rotating shaft body needs to be adjusted, the extending sleeve drives the connecting sleeve to slide in the rotating stroke. The extending sleeve drives the connecting sleeve to horizontally slide in the rotating stroke, so that the clamping assembly is clamped to a set station, the length of the rotating shaft does not need to be adjusted firstly, then the rotating shaft body is fixed to the set station in the notebook computer through the clamping assembly, the operation procedure is simplified, meanwhile, the working efficiency is greatly improved, and the practicability is high. The method is suitable for wide popularization.

The invention provides anguilla anguilla and anguilla brachycarpus genotyping nucleic acid molecules and a kit, the anguilla anguilla and anguilla brachycarpus genotyping nucleic acid molecules comprise a primer group, the primer group comprises a first primer and a second primer, the first primer has a sequence as shown in SEQ ID NO.1, and the second primer has a sequence as shown in SEQ ID NO.2; the second primer has a sequence as shown in SEQ ID NO. 2. According to the invention, the anguilla anguilla and the anguilla brachycarpus can be successfully and rapidly identified by an SNP-Taqman fluorescent quantitative PCR (Polymerase Chain Reaction) method; the operation is simple and convenient, and the detection time is short.

The present invention belongs to the technical field of silver contacts, and specifically discloses a combined pressing production equipment for silver contacts, including an L-shaped body, a pressing mechanism installed on the top of the L-shaped body, a first conveyor belt and a second conveyor belt symmetrically installed on the bottom surface of the L-shaped body, a connecting block is arranged between the first conveyor belt and the second conveyor belt, both sides of the first conveyor belt and the second conveyor belt are installed with stop surfaces, a connecting piece is connected between the stop surface and the connecting block, a pressing bin is arranged inside the connecting piece, a supporting mechanism is arranged on the surface of the connecting block, an L-shaped connecting frame is arranged on the side of the L-shaped body, a positioning mechanism is installed on the inner wall of the first conveyor belt and the second conveyor belt, and a material discharge chute is opened on the bottom surface of the L-shaped body. The present invention can alternately press the silver contacts inside the pressing bins on both sides, can simplify the operation procedure, improve production efficiency, reduce working costs, and improve product quality.