Cancer target kit pressing device

The invention provides a cancer target kit pressing device. The cancer target kit pressing device comprises a transmission unit for transmitting a kit body and a clamping unit, and the transmission unit transmits the kit body to the clamping unit; the pressing unit is used for pressing the inner shell into the box body; the detection unit is used for detecting the air tightness of the box body; the press-fit unit comprises two fixed rails, the two fixed rails are arranged on the ground, and sliding grooves are formed in the fixed rails; the sliding block is arranged in the sliding groove in a sliding mode. The box body is conveyed to the clamping unit through the conveying unit; the inner shell is pressed into the kit body through the pressing unit, the airtightness of the kit body is detected through the detection unit, automatic pressing of the cancer target kit is achieved, and compared with a manual pressing mode, the production efficiency is improved, and large-scale production is ...

IoT (Internet of Things) lamp energy-saving controller based on ZigBee technology

The invention discloses an IoT (Internet of Things) lamp energy-saving controller based on a ZigBee technology. The IoT lamp energy-saving controller is characterized by comprising an AC/DC (alternating current/direct current) power supply module connected with commercial power, wherein the AC/DC power supply module is respectively connected with a first DC/DC (direct current/ direct current) converting module, a second DC/DC converting module and a third DC/DC converting module, the first DC/DC converting module supplies electricity to a ZigBee module, the ZigBee module is in communication connection with an MCU (micro control unit) control module, the second DC/DC converting module supplies the electricity to the MCU control module, and the MCU control module is connected with a first signal output interface. The IoT lamp energy-saving controller based on the ZigBee technology provided by the invention has the advantages that the IoT lamp energy-saving controller can be regulated and ...

Derailment-preventing train connection device

The invention relates to a transportation tool, and discloses a derailment-preventing train connection device. The derailment-preventing train connection device comprises a pair of sleeper rods distributed from front to back, and a pair of connecting oil cylinders distributed from left to right, wherein the sleeper rods are connected together just through the connecting oil cylinders. The connecting oil cylinders comprise cylinder bodies, pistons located in the cylinder bodies and connecting rods connected with the pistons. The cylinder bodies and the connecting rods are respectively and movably connected with one of the sleeper rods. The pistons divide the cylinder bodies into front oil cavities and rear oil cavities, the front oil cavities of the connecting oil cylinders are communicated through a front oil pipe, and the rear oil cavities of the connecting oil cylinders are communicated through a rear oil pipe. The left-right traction force of the derailment-preventing train connection ...

Acoustic deep sea towing detection system

The invention relates to an acoustic deep sea towing detection system. The system comprises a deck unit disposed on water, a towed body disposed under the water and a connecting assembly comprising a ballast device. The deck unit and the towed body are connected through the connecting assembly; the deck unit comprises a ship-borne device comprising a GPS, a deck server group and a waterborne power supply communication synchronization device; the towed body comprises an underwater power supply communication synchronization device, sonar devices, sensors and other function assemblies; the waterborne power supply communication synchronization device comprises a first fiber communication unit and a first power supply conversion unit; the underwater supply communication synchronization device comprises a second fiber communication unit and a second power supply conversion unit, and further comprises a second acoustic synchronization acquisition control unit; and the second acoustic synchronization ...

Chain-tensioning device of scraper conveyor

The invention discloses a safe and high-efficiency chain-tensioning device of a scraper conveyor, which comprises a manual hydraulic jack, a steel wire rope and a connector, wherein a middle section of the steel wire rope is fixed at the head part of the hydraulic jack; two ends of the steel wire rope are sleeved on connecting pins of the connector which has a U-shaped structure; and the connecting pin is inserted into two side plates of the connector and is movably matched with the connector. The chain-tensioning device comprises the manual hydraulic jack, the steel wire rope and the connector; the middle section of the steel wire rope is fixed at the head part of the hydraulic jack; and two ends of the steel wire rope are sleeved on the connecting pin of the connector. Therefore, when the chain is required to be tensioned, a chain of the conveyor is tensioned by controlling the stroke of an oil cylinder of the hydraulic jack, thereby unhurriedly carrying out the chain-tensioning operation ...

Positive mixed plasmid for detecting IDH2 gene mutation, standard plasmid and application

The invention provides a positive mixed plasmid for detecting IDH2 gene mutation, a standard plasmid and application, and belongs to the technical field of biology. The sequence of the positive mixed plasmid is shown as SEQ ID NO: 1 in a sequence table. The standard plasmid comprises a plasmid vector and a positive mixed plasmid inserted into the plasmid vector. According to the application, the standard plasmid is used as a positive quality control for detecting the IDH2 gene mutation type. The mixed plasmid provided by the embodiment of the invention contains eight IDH2 gene mutation types, and the standard plasmid obtained by utilizing the mixed plasmid can be used as a positive standard quality control product and is used for determining the eight IDH2 gene mutation types in a human tumor sample in three times of detection, so that the detection efficiency is effectively improved, and the detection time is shortened. And the risk of pollution caused by manual operation errors and multiple ...

Machine for checking and accepting motor rotor of electric traffic vehicle

The invention relates to motor detection equipment. A machine for checking and accepting a motor rotor of an electric traffic vehicle, which is capable of detecting rotor core height, rotor inner hole pattern sizes and rotor stepped hole depth of motors of different specifications, includes a support plate, a rotor inner hole detection mechanism, a rotor stepped hole detection mechanism and a rotor core height detection mechanism, wherein the rotor inner hole detection mechanism includes a first detection head and a first lifting air cylinder, the first detection head includes a plurality of detection sleeves sleeved layer upon layer and detachably connected, the rotor stepped hole detection mechanism includes a second detection head and a second lifting air cylinder, the diameter of the second detection head is larger than an upper limit of the diameter of the rotor inner hole and smaller than or equal to a lower limit of the diameter of the rotor stepped hole, and the rotor core height ...

Machine for checking and accepting motor stator of electric traffic vehicle

The invention relates to motor detection equipment. A machine for checking and accepting a motor stator of an electric traffic vehicle, which is capable of detecting stator core height, rotor accommodating hole pattern sizes and coil installation groove shape sizes of motors of different specifications, includes a support plate, a rotor accommodating hole detection mechanism provided with a first detection head and a first lifting air cylinder, a coil installation groove detection mechanism provided with a second detection head and a second lifting air cylinder, and a stator core height detection mechanism provided with a pressing plate and a third lifting air cylinder which drives the pressing plate to go up and down, wherein the first detection head includes a plurality of detection sleeves which are sleeved layer upon layer, the second detection head includes a base rod capable of being inserted in the rotator accommodating hole and a plurality of detection bars extending along a vertical ...

PTEN gene downstream nucleotide sequence and polypeptide coded by same

The invention discloses a downstream nucleotide sequence of a PTEN gene and a polypeptide coded by the downstream nucleotide sequence. The nucleotide sequence is shown as a sequence table SEQ ID NO: 1, and the amino acid sequence of the polypeptide is shown as a sequence table SEQ ID NO: 2. The polypeptide can be endogenously expressed in glioma cells and normal brain glial cells, and the detection of the expression quantity of the 48aa-dORF in various glioma samples and normal samples shows that the expression quantity of the 48aa-dORF in a glioma tissue sample is obviously reduced compared with that of the normal brain tissue. The PTTN-48aa can obviously inhibit the growth and proliferation of glioma cells, and a new polypeptide drug can be provided for clinical treatment of glioma.

ATRX epitope peptide and application thereof in detecting brain glioma

The invention discloses ATRX antigen epitope peptide and application of the ATRX antigen epitope peptide in detection of brain glioma. The amino acid sequence of the ATRX epitope peptide is shown as SEQ ID NO: 1 or SEQ ID NO: 2 in a sequence table. The ATRX epitope peptide disclosed by the invention has good antigenicity, and an antigen immune animal prepared from the ATRX epitope peptide can generate a monoclonal antibody and a polyclonal antibody with high specificity. The human ATRX in-vitro diagnostic kit disclosed by the invention can be used for effectively detecting the ATRX expression level in a brain tissue sample and can be used for evaluating the risk of brain glioma.

Indoor simulated sunlight color lighting device

The invention discloses an indoor simulated sunlight color lighting device which comprises a sunlight color temperature acquisition module, a control module, a transmission module and an adjustable color temperature lamp. The signal collected by the sunlight color temperature acquisition module is transmitted to the control module through the transmission module. The adjustable color temperature lamp is electrically connected with the output end of the control module. Through the collection of the light temperature of sunlight by the sunlight color temperature acquisition module, the control module adjusts the lamp according to the collected color temperature data, thus the color temperature of indoor lamp light and the color temperature of outdoor sunlight are consistent, and due to the low price of the chips for realizing the sunlight color temperature acquisition module and the control module are cheap and the controllability of an LED solid light source, the purpose of the adjustable ...

Tumor gene detection kit assembling equipment

The invention discloses tumor gene detection kit assembling equipment, and relates to the technical field of kit assembling, the tumor gene detection kit assembling equipment comprises an assembling circular truncated cone, and the lower end of the assembling circular truncated cone is provided with supporting legs for supporting the assembling circular truncated cone; the assembling openings are formed in the assembling circular truncated cone, the assembling openings are square, an assembling operation unit is arranged on the assembling circular truncated cone, and a conveying belt is correspondingly arranged under one assembling opening; the kit is arranged in the assembly opening, a box cover is placed above the kit, when the box cover is extruded to move downwards, the box cover and the kit are provided with corresponding matched convex strips for fixing, the box cover moves downwards, and at the moment, the kit is fixed due to the elastic support of a reset spring; and the kit cover ...

Automatic sealing device for secret-related carrier collecting bag

The invention provides an automatic sealing device for a secret-related carrier collecting bag. The automatic sealing device comprises a bag hanging mechanism and a heat sealing mechanism. The bag hanging mechanism is a multi-connecting-rod frame capable of being unfolded and folded and is used for pressing the collecting bag. The bag hanging mechanism is detachably mounted at the top of the heat sealing mechanism; and the bag hanging mechanism is folded under the driving of the heat sealing mechanism, the opening of the collection bag is closed, and meanwhile, the heat sealing mechanism acts to seal the closed opening of the collection bag in a hot melting manner. As the opening of the collection bag is directly sealed in the collection cabinet through hot melting, the collection bag is prevented from being opened under the condition that the bag body is not damaged in the manual sealing or transferring process, the safety of a secret-related carrier is protected, and the leakage risk ...

Intelligent secrecy management multipurpose integrated cabinet

The invention provides an intelligent secrecy management multipurpose integrated cabinet which comprises a cabinet body and a cabinet door. The interior of the cabinet body is divided into different functional areas through partition plates, and an in-place cabinet, a common file cabinet and a collection cabinet are formed. A middle interlayer is designed in the cabinet body and used for installing and fixing the control unit and wiring. The control unit comprises a main control box, an in-place control box and a power box. The cabinet doors are provided with information interaction assemblies, and each cabinet door is provided with an electronic lock. And each in-place cabinet is internally provided with an RFID (Radio Frequency Identification) antenna. The in-place control box is responsible for managing secret-related carriers stored in the in-place cabinet in place, automatically checking the secret-related carriers in the cabinet in real time, monitoring the state of the secret-related ...

Ignition lock and automobile

The invention discloses an ignition lock and an automobile with the same. The ignition lock comprises a lock cylinder housing (2), a lock cylinder (1) and a lock hook (3), wherein the lock cylinder (1) and the lock hook (3) are rotationally arranged in the lock cylinder housing. The lock cylinder is provided with a key hole (1a) and a first slider (1b) driven by an inserted key and is provided with a slide groove (1c) allowing the first slider to slide, the lock cylinder housing is provided with an opening (2a) communicated with the slide groove, and the lock hook (3) is pivotally provided with a first end and a second end which are opposite. The ignition lock further comprises a lever (4), the lever is provided with a first contact portion (4a) and a second contact portion (4b), the first contact portion (4a) extends into the opening and the slide groove and contacts with the first slider, and the second contact portion (4b) contacts with the second end of the lock hook. The lever transmits ...

Spiral vertical axis-based wind turbine, and assembling die and assembling method

The invention relates to the field of vertical axis wind turbines, in particular to a spiral vertical axis-based wind turbine, an assembling die and an assembling method. The assembling die consists of movable regular dodecahedron-shaped tool fixtures sleeving a center shaft and positioning screws fixedly arranged on the regular dodecahedron-shaped tool fixtures. Holes in blades are positioned, and when the blades are manufactured, the die is used for performing positioning and perforation to make the hole positions of the blades consistent; holes of the center shaft are accurately positioned by a tool, so that the same screw rod is connected with the center shaft and two blades respectively, and easiness in assembling operation, strong overall strength and higher blade firmness are achieved. The wind turbine comprises wind turbine blades, screw rods, the center shaft and anti-loosening fastening nuts, wherein the center shaft is connected with the screw rods; the screw rods can be connected ...

Vero cell culture method for rabies virus

The invention relates to the technical field of amplification culture of Vero cells for rabies viruses, in particular to a culture method of Vero cells for rabies viruses, in the culture process of the Vero cells, the Vero cells need to be separated from a culture medium, a test tube is vibrated and moved, so that a magnetic bar moves in the radial direction of the test tube, and the test tube rotates in cooperation with rotation of the test tube, so that the Vero cells are separated from the culture medium. According to the technical scheme, the magnetic bar covers the cross section of the whole test tube, then the magnetic beads adsorbing the Vero cells are completely adsorbed, the purpose of rapidly and thoroughly separating the Vero cells is achieved, the separated Vero cells and the rabies virus are mixed and then rapidly cultured, and large-scale and rapid enlarged culture of the Vero cells for the rabies virus is achieved.

Energy-absorption type automobile rear axle

The invention relates to the field of automobile rear axles, and aims at providing an energy-absorption type automobile rear axle. The energy-absorption type automobile rear axle comprises an axle tube and a transition part arranged in the middle of the axle tube, and further comprises a plurality of energy absorption devices. Each energy absorption device comprises a core sleeve, an installation plate connected with the axle tube, an adjustment nut, an elastic base plate located between the installation plate and the core sleeve, a rubber ring and a mass ring, wherein an adjustment screw is arranged at the upper end of the installation plate, and the rubber ring and the mass ring are sequentially arranged outside the core sleeve in a sleeving mode and connected. The upper end of each adjustment screw sequentially penetrates through the corresponding elastic base plate and the corresponding core sleeve. Each adjustment nut presses the corresponding core sleeve and is connected with the ...

Steamship colored paint film thickness control method and coating tool

The invention relates to a ship hull paint spraying technology and a tool thereof. The coating tool comprises a machine comprises a frame, the frame is provided with a pull handle, a vacuum generator, a protection film roll supporting rack, a scraper tube and a road wheel, one side of the scraper tube is provided with a protection film adsorption seam extending along the axial direction of the scraper tube, the other side is provided with a dust adsorption hole, the gas inlet end of the vacuum generator is connected with the scraper tube, and the pull handle is hinged to the frame. A steamship colored paint film thickness control method comprises the following steps: fixedly pasting a steel plate for a good ship hull to the position of the good ship hull corresponding to a detection point to the good ship body, shielding other positions by a protection film, spraying a colored paint, testing the thickness of the obtained paint film, and calculating according to a formula of B1=B2+(H1-H2 ...

Digital project management system

The invention discloses a digital project management system, which relates to the technical field of construction control and progress management, is applied to real-time display of a project group performance process, and comprises a progress setting module for determining the construction period plan progress of each construction process according to the decomposed construction process of each building, and a project amount settlement module for calculating the project amount plan progress of each construction process. The planning cost determining module is used for determining the planning cost corresponding to the construction period plan of each construction procedure, and the progress management module is used for determining the actual progress of construction and the actual consumption cost of construction at the time point when the construction period plan progress of the construction procedures is completed, determining a construction progress diagram according to the actual ...

Tower crane sprays water supply system

The utility model relates to a tower crane sprays water supply system, a tower crane sprays water supply system, including spraying with pond, fire -water pond, sedimentation tank, running water input tube, domestic water district, construction with pool and sewage collecting pipe, the water source input tube in domestic water district communicates with each other with running water input tube, fire -water pond, the waste water output tube in domestic water district communicates with each other with the sedimentation tank, the construction links to each other with fire -water pond with the water source input tube in pool, the construction communicates with each other with the sedimentation tank with the waste water output tube in pool, the running water input tube communicates with each other with fire -water pond, waste water that the tower crane sprayed is collected in the sedimentation tank through the sewage collecting pipe. Through retrieving the waste water after domestic water, construction ...

Metal-plated disc, button switch and vehicle

The invention provides a metal-plate disc, a button switch and a vehicle. The metal-plated disc comprises a plurality of circumferentially arranged first conducting areas and a plurality of circumferentially arranged second conducting areas. Each first conducting area comprises one or a plurality of first conducting sheets. Each second conducting area comprises one or a plurality of second conducting sheets. The first conducting sheets are connected with one another. The second conducting sheets are connected with one another. A second conducting area is arranged between two random adjacent first conducting areas. A conductive gap is arranged between the first conductive area and the second conductive area which are adjacent with each other. According to the technical solution of the invention, upward conducting paths of the metal-plated disc can be increased for increasing conduction probability.

Novel coronavirus serum-free Vero cell inactivated vaccine and preparation method thereof

The invention discloses a novel coronavirus serum-free Vero cell inactivated vaccine and a preparation method thereof. The preparation method comprises the following steps: cell resuscitation, cell amplification, seed batch preparation, bioreactor cell culture, virus culture, virus harvest liquid inactivation, clarification, ultrafiltration concentration, enzyme digestion, molecular sieve chromatography, semi-finished product preparation and split charging. According to the method, culture process parameters are optimized, a serum-free culture medium is used in the cell culture process, the pollution risk of exogenous factors is reduced, meanwhile, purification steps are reduced, and the antigen recovery rate is increased, so that the product quality and the production efficiency are improved; the prepared novel coronavirus serum-free Vero cell inactivated vaccine is high in antigen recovery rate and low in impurity content.

Freight train steering mechanism

The invention relates to a train steering mechanism which resolves the problems that serious abrasion is generated between a swing bolster and a suspension frame and between the swing bolster and a compartment in the turn-around process. According to the freight train steering mechanism, the abrasion between the swing bolster and a bogie and between the swing bolster and the compartment is small in the turn-around process, and universal supporting balls have a self-cleaning function. The freight train steering mechanism comprises the bogie and the swing bolster movably connected with the bogie, wherein a vertically arranged supporting spring is arranged between the swing bolster and the bogie, the swing bolster is provided with a connecting rod, a pair of universal supporting balls distributed on two sides of the connecting rod and a pair of scraping sleeves, the scraping sleeves are arranged on the universal supporting balls in a sleeved and one-to-one correspondence mode, the two ends ...

Transport ship with variable displacement

The invention relates to ships, in particular to a transport ship with variable displacement. The transport ship comprises a ship shell, the ship shell comprises an upper shell body, a lower shell body and a connection pipe of a sealed structure, the connection pipe can extend and retract in the longitudinal direction, the upper shell body is through in the longitudinal direction, the upper end of the lower shell body is open, the lower end of the lower shell body is sealed, the lower end of the upper shell body and the upper end of the lower shell body are connected together in a sleeved and extensible mode, the connection pipe penetrates through the upper shell body and the lower shell body simultaneously, the upper shell body and the lower shell body are connected together in a sealed mode due to the facts that the upper end of the connection pipe is fixedly connected with the upper shell body in a sealed mode, and the lower end of the connection pipe is fixedly connected with the lower ...

Emergent safety system of deep sea towed body

The invention relates to an emergent safety system of a deep sea towed body. The emergent safety system comprises a ballast device and the towed body, wherein the ballast device and the towed body are connected through a connecting cable, and the stressed part of the connecting cable is directly connected with the frame of the towed body; the ballast device comprises a ballast device safety component for measuring the relative position of the ballast device to the sea bottom; the towed body comprises a sound beacon and a satellite location beacon. According to the emergent safety system, an altimeter is replaced with the ballast device safety component on the ballast device, so that the system safety is improved; by virtue of the novel connecting method between the ballast device and the towed body, the cost is reduced and the operation convenience is improved; as neither a shearer nor a releaser is used, the false alarm risk of the two are avoided; through the satellite for positioning ...

Heating system and heating method for automotive oil sucking pipe

The invention provides a heating system and a heating method for an automotive oil sucking pipe. The heating system comprises a heating device, a first switch, a controller and a power supply; the heating device heats the periphery of an oil inlet of the automotive oil sucking pipe; the heating device is provided with a resistor which gets larger along with temperature increment; the controller obtains a resistance value of the heating device after the first switch is closed, compares the resistance value of the heating device and a preset first resistance value, controls the heating device to heat the periphery of the oil inlet of a fuel pipe when the resistance value is less than or equal to the first resistance value; a power supply provides electricity for the heating device and the controller. The heating system and the heating method for the automotive oil sucking pipe has the advantages of automatically heating the periphery of the oil sucking pipe to enable the oil sucking to be ...

Control system for electromagnetic valve of ignition lock

The invention discloses a control system for an electromagnetic valve of an ignition lock. The control system comprises a controller of the electromagnetic valve of the ignition lock, the electromagnetic valve of the ignition lock, a driven starting controller and an automatic gearbox shifter, wherein the driven starting controller is configured into transmitting a first enable signal to the controller of the electromagnetic valve of the ignition lock when an intelligent key is verified to be legal; the automatic gearbox shifter is configured into transmitting a second enable signal to the controller of the electromagnetic valve of the ignition lock when the automatic gearbox shifter is in a P gear; and the controller of the electromagnetic valve of the ignition lock is configured into controlling the electromagnetic valve of the ignition lock to unlock according to the first enable signal and the second enable signal. Through the adoption of the technical scheme, the locking control for ...

Tester for electromagnetic flowmeter signal converter

The calibrator for signal converter of electromagnetic flowmeter includes one resistor network to output fluid flow rate signal for the signal converter of the electromagnetic flowmeter to be calibrated, one bi-directional voltage stabilizer to receive the exciting output of the signal converter of the electromagnetic flowmeter, transformer with primary to receive the output of the bi-directional stabilizer and secondary to output to the resistor network, one full-wave rectifier, one constant-current source circuit, one sample resistor and one afterflow circuit connected together. The present invention utilizes the signal converter of the electromagnetic flowmeter to be calibrated to provide power source and sync signal to obtain the output signal of the analog electromagnetic flowmeter sensor for measurement, and may be used for the calibration of different kinds of signal converters of electromagnetic flowmeters.

Concrete beam plate formwork supporting system and continuous construction method for multiple layers of concrete beam plates

The invention discloses a concrete beam and slab formwork supporting system and a continuous construction method for multiple layers of concrete beam and slabs, the supporting system comprises a full space supporting frame and a lute support support, the lute support support comprises a plurality of lute supports arranged in a matrix mode, and a plurality of first vertical rods and a plurality of lute supports are arranged at intervals; the adjacent first vertical rod and the lute support are connected through an adjustable connecting rod. The multiple second vertical rods are arranged in at least two rows, and transverse horizontal reinforcing rods and longitudinal horizontal reinforcing rods are arranged at the tops of the at least two rows of second vertical rods. The purpose of combining the Chinese lute support bracket and the full space support frame can be achieved, the stability and the supporting strength after the Chinese lute support bracket and the full space support frame are ...

Glass fiber needled felt and preparation method thereof

The invention provides a glass fiber needled felt and a preparation method thereof, and the preparation method comprises the following steps: carrying out acid leaching and water washing on glass fibers to obtain wet base fibers; cutting the wet-state high-silica fibers into chopped fibers, and drying the chopped fibers to obtain the chopped fibers with the water content of 1-6wt%; the chopped fibers with the water content of 1-6 wt% are sequentially subjected to opening, carding web forming and needling, and a needled felt is obtained; the needled felt is placed on a bottom supporting material, the needled felt and the bottom supporting material are subjected to sintering treatment, and the glass fiber needled felt is obtained. The preparation method of the glass fiber needled felt provided by the invention is high in efficiency, small in fiber damage, high in strength of the glass fiber needled felt and high in yield.

Mining movable hoisting ring

The invention discloses a mining movable hoisting ring, which can make bolt-mesh support operation convenient, secure and highly-efficient. The mining movable hoisting ring comprises a hoisting ring body and a screw cap, wherein the hoisting ring body is provided with a connecting hole; a groove is radially reserved on the inner circle of the hoisting ring body, and has a width corresponding to a distance between the two parallel sides of the screw cap; the connecting hole is communicated with the groove; the screw cap is positioned in the groove; and a screw hole on the screw cap is coaxial with the connecting hole. When the mining movable hoisting ring is used, an anchor rod is inserted into the connecting hole, the hoisting ring body is slightly pulled downwards after the screw cap is worn to arrange the screw cap into the groove of the hoisting ring body, and simultaneously the hoisting ring body is rotated until the screw cap is screwed tightly.

Transport ship convenient to berth

The invention relates to ships and discloses a transport ship convenient to berth. The transport ship convenient to berth comprises a hull, wherein the hull comprises an upper hull body and a lower hull body, the upper hull body is vertically through, the upper end of the lower hull body is open, the lower end of the lower hull body is closed, an annular insertion groove is formed in the upper end face of the lower hull body, the lower end of the upper hull body can be inserted into the insertion groove in a pluggable mode, a tin ring, an electric heating pipe used for heating the tin ring and a check ring used for preventing the melt tin ring from being leaked from the space between the upper hull body and the inner side wall of the insertion groove are arranged in the inner side wall of the insertion groove, the upper hull body is welded to the inner side wall of the insertion groove in a sealed mode through the tin ring, and the check ring is located below the tin ring. According to ...

High efficiency constant current source

The present invention relates to a kind of high efficiency constant current source circuit. The high efficiency constant current source circuit has adjustable DC output switching power source to power the constant current source circuit and the load circuit, and adopts the voltage drop of the constant current source circuit itself as the control signal of output voltage of the switching power source, so as to maintain the voltage across the constant current source circuit within the allowed range without change with the load and to obtain high efficiency and high electric performance. The present invention is suitable for all fields with constant current source.

Deep foundation pit dewatering and drainage construction method

The invention discloses a deep foundation pit dewatering and drainage construction method. The method comprises the steps that firstly, deep foundation pit dewatering and drainage construction equipment is built; secondly, the deep foundation pit dewatering and drainage construction equipment is moved to a flat position above the foundation pit; 3, deep foundation pit dewatering and drainage construction equipment is fixed; 4, lowering the pump head; 5, starting a water suction pump; 6, identifying whether the filter frame is blocked or not in real time; and 7, cleaning the filter frame. The frame fixing nails are inserted into soil, so that the equipment body is conveniently and stably placed during operation, the situation that the equipment body slides into a foundation pit in dewatering and drainage due to operation vibration is prevented, the filter frame is conveniently detached from the surface of the pump head and is easy to clean, and the situation that hole grooves in the surface ...

Machining mechanism for rotors of electric transport cart

The invention relates to transport carts. A machining mechanism for rotors of an electric transport cart comprises a tailing rotor disconnecting mechanism, a tailing removing mechanism, a core removing mechanism and a crushed material removing mechanism, all of which are arranged on a rack in sequence. The tailing rotor disconnecting mechanism comprises a supporting rod, a pressing sleeve and a pressure machine for driving the pressing sleeve and the supporting rod to do separating or connecting movement. The tailing removing mechanism comprises a rotor fixing mechanism, a tailing clamp, a swinging mechanism for driving the tailing clamp to swing and a first moving mechanism for driving the tailing clamp to move away. The core removing mechanism comprises an ejector rod, a core fixing mechanism, a pressing block, a second moving mechanism for driving the pressing block to get close to the ejector rod, and a third moving mechanism for driving the core fixing mechanism to move away. The crushed ...

Automobile fuel signal processing method and automobile fuel signal processing system

The invention discloses an automobile fuel signal processing method and an automobile fuel signal processing system. The method includes the steps: (S1) continuously acquiring fuel signals from a fuel sensor by a sampling period t to acquire a fuel detection value corresponding to each sampling point; (S2) calculating a fuel consumption value V (i) in an ith sampling period t (i); (S3) determining whether automobile fuel consumption is in a normal condition or an abnormal condition according to the fuel consumption value V (i); (S4) correspondingly controlling a fuel tank fuel display value Vdis (i) in the ith sampling period t (i) according to the determined condition. By the automobile fuel signal processing method and the automobile fuel signal processing system, burden of a combination instrument is relieved, development cycle of the combination instrument is shortened, development cost is saved, and the problem of dither fuel signals is solved to enable an observer to acquire accurate ...

Chain-tensioning device of scraper conveyor

The invention discloses a safe and high-efficiency chain-tensioning device of a scraper conveyor, which comprises a manual hydraulic jack, a steel wire rope and a connector, wherein a middle section of the steel wire rope is fixed at the head part of the hydraulic jack; two ends of the steel wire rope are sleeved on connecting pins of the connector which has a U-shaped structure; and the connecting pin is inserted into two side plates of the connector and is movably matched with the connector. The chain-tensioning device comprises the manual hydraulic jack, the steel wire rope and the connector; the middle section of the steel wire rope is fixed at the head part of the hydraulic jack; and two ends of the steel wire rope are sleeved on the connecting pin of the connector. Therefore, when the chain is required to be tensioned, a chain of the conveyor is tensioned by controlling the stroke of an oil cylinder of the hydraulic jack, thereby unhurriedly carrying out the chain-tensioning operation ...

Circulation system is collected to job site water

The utility model relates to a circulation system is collected to job site water, including sedimentation tank, fire -water pond, domestic water district, construction with pool and running water raceway, fire -water pond distinguishes with domestic water respectively, the construction is connected with the water input pipeline in pool, the sedimentation tank is distinguished with domestic water respectively, the construction links to each other with the waste water output pipeline in pool, the water purification output tube and the fire -water pond of sedimentation tank link to each other the last running water input tube that is equipped with of fire -water pond, the beneficial effects of the utility model are that: the project organization is reasonable, can effectively reduce the waste of building construction field water resource, has to arrange that nimble convenience, energy consumption are hanged down, advantages such as the investment is little, high efficiency.

Hydropower station gate dredging device

The invention discloses a hydropower station gate dredging device in the technical field of hydropower engineering, which comprises a gate, mounting beams, a mounting plate, a filter box and a transport box, the mounting beams are fixedly connected between the upper side and the lower side of the inner side wall of the gate, and the mounting plate is located between the mounting beams; the filter box is fixedly connected to the left side of the top of the mounting beam on the upper side through bolts, and the transport box is fixedly connected to the right side of the top of the mounting beam on the upper side through bolts. The operation of the hydropower station is not influenced, the economic loss is reduced, meanwhile, the danger of dredging is also reduced, the use range of dredging equipment is not limited any more, cement separation treatment can be carried out on the cleaned sludge, the sludge cleaning efficiency is improved, meanwhile, the loss of water resources is avoided, and ...

Wall surface trowelling method

According to the wall surface trowelling method, a wall surface trowelling device is used for trowelling a wall surface, the wall surface trowelling device comprises a machine box, a handle used for holding is installed at the bottom of the machine box, a horizontal partition plate is fixed to the middle of the interior of the machine box, the interior of the machine box is divided into a control cavity and a working cavity from top to bottom through the partition plate, and a driving mechanism is arranged in the control cavity; a rotary trowelling mechanism is arranged in the working cavity, and an opening for the rotary trowelling mechanism to stretch out to work is formed in the bottom of the working cavity; the method comprises the following steps: 1, automatically and uniformly trowelling the wall surface; and 2, polishing the wall surface. The wall surface trowelling device can replace a traditional wall surface trowelling method such as a plastering trowel, automatic trowelling operation ...

Mining movable hoisting ring

The invention discloses a mining movable hoisting ring, which can make bolt-mesh support operation convenient, secure and highly-efficient. The mining movable hoisting ring comprises a hoisting ring body and a screw cap, wherein the hoisting ring body is provided with a connecting hole; a groove is radially reserved on the inner circle of the hoisting ring body, and has a width corresponding to adistance between the two parallel sides of the screw cap; the connecting hole is communicated with the groove; the screw cap is positioned in the groove; and a screw hole on the screw cap is coaxial with the connecting hole. When the mining movable hoisting ring is used, an anchor rod is inserted into the connecting hole, the hoisting ring body is slightly pulled downwards after the screw cap is worn to arrange the screw cap into the groove of the hoisting ring body, and simultaneously the hoisting ring body is rotated until the screw cap is screwed tightly.

Project performance management method and system

The invention discloses a project fulfillment management method and system, and relates to the technical field of project fulfillment management, and the method comprises the steps: generating contract information of each project according to the information of each project, generating material approval and purchase information according to the contract information, determining a construction key task plan according to the contract information, according to the key task planning, generating the first batch of delivery progress of each project and regular performance report data according to the key task planning information and contract information, generating contract baseline progress information according to the regular performance report data, and performing settlement according to the contract baseline progress information and the material approval and purchase information. And evaluating the performance result according to the contract information and the settlement structure, and ...

Electric vehicle auto-powered off on rollover

The invention relates to the field of electric vehicles and aims to provide an electric vehicle auto-powered off on roller. The electric vehicle comprises a body with a controller; the electric vehicle further comprises a rollover auto-power-off device mounted in the body; the rollover auto-power-off device comprises a base, a power-off switch, an upper cover and a ball pushing unit; the upper end of the base is provided with a holding stabilizer hole and a lateral side; the power-off switch is mounted in the holding stabilizer hole and electrically connected with the controller; the ball placed in the holding stabilizer hole compresses a key of the power-off switch; the upper cover is provided with an elastic presser unit which compresses the top of the ball and is connected with the upper end of the lateral side. Mistaken power-off rarely occurs to the electric vehicle in case of tilting or vibrating during running.

Mixed plasmid, standard plasmid and application thereof

The invention provides a mixed plasmid, a standard plasmid and application thereof, and belongs to the technical field of biology. The sequence of the mixed plasmid is shown as SEQ ID NO: 1 in a sequence table. The standard plasmid comprises a plasmid vector and a mixed plasmid inserted into the plasmid vector. According to the application, the standard plasmid is used as a positive quality control for detecting the IDH1 gene mutation type. The mixed plasmid provided by the embodiment of the invention contains six IDH1 gene mutation types, and the standard plasmid obtained by utilizing the mixed plasmid can be used as a positive standard quality control product and is used for determining the six IDH1 gene mutation types in a human tumor sample in two times of detection, so that the detection efficiency is effectively improved, and the detection time is shortened. And the risk of pollution caused by manual operation errors and multiple experiments is reduced.

Stranding-prevention transport ship

The invention relates to ships, in particular to a stranding-prevention transport ship. The ship comprises a ship body, a safety guard and a triggering plate, wherein the safety guard is located outside the front end of the ship body, and the triggering plate is located at the front end of the safety guard. The safety guard is fixedly connected with the ship body through arranging a first inverted hook on a second inverted hook, and energy dissipation rods and a second spring are arranged between the safety guard and the ship body. The energy dissipation rods comprise jackets and core rods which are connected to the jackets in a pluggable mode. The core rods are provided with multiple rows of insertion holes axially distributed in the core rods. Shear pins and first springs are inserted into the insertion holes, wherein the first springs make the outer ends of the shear pins extend out of the insertion holes. The triggering plate is provided with pushing rods which move backwards to drive ...

Cell culture method for improving cell proliferation

The invention relates to the technical field of cell culture, and discloses a cell culture method for improving cell proliferation, which comprises the following steps: step 1, collecting cells in a logarithmic phase; 2, further separating and diluting to obtain a sample A; step 3, collecting experimental environment data in real time, setting a preset temperature, a stirring rotating speed, a dissolved oxygen parameter and a PH parameter, and further blending a culture solution according to a formula under the condition; 4, fusing the culture solution and the sample A, adding proliferation growth factors into the culture medium, and detecting the cell proliferation condition to obtain an A1 culture solution; 5, blending according to different substances to obtain a J1/J2/J3/J4 sample; step 6, respectively reacting a part of the culture medium with J1/J2/J3/J4 to obtain a culture solution B1/B2/B3/B4; step 7, fusing the culture solution A1 with the culture solution B1/B2/B3/B4 respectively ...

Concrete tower crane high altitude sprays maintenance system

The utility model relates to a concrete tower crane high altitude sprays maintenance system, including set up vertical raceway on the tower crane support body, locate horizontal raceway on the tower crane jib loading boom, locate horizontal raceway on and with rotatory nozzle, control box, the booster pump of horizontal raceway intercommunication, cistern, filter, vertical raceway comprises the nozzle stub, and the highly uniform of the standard festival of the length of nozzle stub and tower crane, the exit end of water pump links to each other with vertical raceway, and the entrance point and the cistern of water pump pass through the filter and link to each other. The control box is located the tower crane base, is provided with flowmeter, water pressure gauge and controller in the control box, be provided with flow control knob, time control knob and water pressure control knob on the controller. The simple structure of this system is compact, and behind structure concreting, completion ...

Brain glioma KIAA1549-BRAF fusion gene and application thereof

The invention discloses a brain glioma KIAA1549-BRAF fusion gene and an application of the brain glioma KIAA1549-BRAF fusion gene. The nucleotide sequence of the fusion gene is shown as SEQ ID No: 1 in a sequence table. According to the invention, a brain glioma related fusion group KIAA1549-BRAF is found, and detection and research show that the fusion gene KIAA1549-BRAF is determined to exist in brain glioma tissues and is gene fusion outside a coding frame at an RNA level. The fusion gene KIAA1549-BRAF promotes the occurrence and development of brain glioma, influences the prognosis of patients with brain glioma, and is of great significance in clinical diagnosis and treatment of brain glioma.

Anti-collision traffic guidance kiosk

The invention relates to a traffic sentry box, in particular to an anti-collision traffic guidance kiosk. The anti-collision traffic guidance kiosk comprises a man-bearing platform, pressurization cylinders, a lifting cylinder and a base located below the man-bearing platform. Safety plates are arranged in the front, in the back, on the left and on the right of the base and connected to the base horizontally and telescopically through the pressurization cylinders. The man-bearing platform is connected to the base in a lifting mode through the lifting cylinder. The pressurization cylinders comprise pressurization cylinder bodies connected with the base and pressurization pistons located in the pressurization cylinder bodies, and the pressurization pistons are connected with the safety plates through push rods. The lifting cylinder comprises a lifting cylinder body and a lifting piston located in the lifting cylinder body, and the lifting piston is connected with the man-bearing platform ...

Parallel type electromagnetic flowmeter with dual excitations