Safety seal structure for petroleum development

The utility model relates to a seal structure especially relates to a safety seal structure for petroleum development. A safety seal structure for petroleum development, includes outer sleeve and dabber, and the dabber setting is equipped with the annular groove on the lateral wall that spindle and outer sleeve are close to in the outer sleeve, still include the sealing rubber circle, and the sealing rubber circle is located the annular groove, the annular groove bottom is equipped with the bead I towards the outer sleeve, and the sealing rubber circle is the U type, the hollow portion of itsU type and bead I phase -match. The utility model provides a safety seal structure for petroleum development, the installation is simple, and it is convenient to dismantle.

Design method based on oil field Internet of Things engineering

The present invention discloses a design method based on oil field Internet of Things engineering. The design method comprises field investigation, a communication module design, a pumping unit monitoring module design, a video monitoring module design, a control center module design, and a data and data application design. The method comprises the following steps: obtaining a detailed well region and oil well data; then getting acquainted with the region environment by combining a regional geographical information system; carrying out scientific and reasonable design on a communication system, a pumping unit monitoring module, a video monitoring module, a control center module and a data application; choosing the most appropriate device and type thereof according to the location and action of the device, but not choosing the device with the most advanced, best, and the highest performance normally; and finally achieving a high standard and a strict requirement of the oil field Internet ...

Steel column foundation bolt positioning device

The invention belongs to the technical field of buildings, and provides a steel column foundation bolt positioning device which comprises a base suite, a movable sleeve assembly is arranged on the base suite, the sleeve assembly is used for being connected with an external reinforcement cage, and a hydraulic telescopic rod is installed on the base suite; the foundation plate is connected with the driving end of the hydraulic telescopic rod, the foundation plate can longitudinally move relative to the base suite, and adjusting bolts are arranged on the periphery of the foundation plate; and the positioning plate is rotationally arranged on the foundation plate, and the levelness and perpendicularity of the positioning plate can be adjusted through the adjusting bolts. Compared with the prior art, the steel column foundation bolt positioning device has the advantages that the difficulty of manual operation can be reduced, the levelness and perpendicularity of the device can be achieved through ...

Coprophilous fungus microorganism extraction and separation device

The utility model relates to microorganism extraction. The utility model discloses a coprophilous fungus microorganism extraction and separation device. The device sequentially comprises a liquid stirring bin, a filtering bin and a bacterial liquid collecting bin which are in threaded connection from top to bottom, the top of the liquid stirring bin is in threaded connection with a stirring cover,the stirring cover is provided with a connector, a liquid inlet pipe and a gas outlet pipe, the liquid inlet pipe and the gas outlet pipe are arranged on the two sides of the connector respectively,a nitrogen injection port and a stirring pipe are inserted into the top and the bottom of the connector respectively, a propeller is fixedly connected to the bottom end of the stirring pipe, and a water outlet is formed in a bottom plate; a plurality of layers of filter screens are arranged in the filter bin, the top surface of the bacterial liquid collecting bin is fixedly connected with a suction pump ...

Preparation method of Chinese medicinal composition for deficiency of both qi and blood

Belonging to the technical field of traditional Chinese medicine, the invention discloses a preparation method of a Chinese medicinal composition for deficiency of both qi and blood. The method comprises the steps of: (1) taking motherwort, Sweet Broomwort Herb and Salvia miltiorrhiza, adding water for soaking, then conducting decoction twice, performing filtering, combining the filtrate, and carrying out concentration to obtain clear paste for standby use; (2) drying the clear paste in a spray dryer to obtain clear paste powder for standby use; (3) adding dextrin and ethanol into the clear paste powder to make a soft material, performing sieving, then placing the material in a boiling dryer for drying, and conducting grain finishing; and (4) adding a flow aid into the well finished grains, and carrying out mixing and filling, thus obtaining the Chinese medicinal composition. The preparation method of the Chinese medicinal composition for deficiency of both qi and blood provided by the ...

Preparation method of long-chain polymer glue and application of long-chain polymer glue in oil and gas fields

The invention provides a preparation method of long-chain polymer glue, which specifically comprises the following steps: adding polyacrylic acid and catechol into deionized water, then adding a boric acid solution, regulating the pH value to 9.0 by using a NaOH solution under the protection of nitrogen, and mechanically stirring; meanwhile, the invention also provides an application of the long-chain polymer glue in oil and gas fields, and the application is to improve the threaded connection performance of oil pipes by using the long-chain polymer glue. The long-chain polymer glue provided by the invention is applied to oil and gas fields, the threaded connection performance of oil pipes can be improved, and the long-chain polymer glue and a coating technology are utilized, so that threads of petroleum pipes have relatively good corrosion resistance, sealing performance and thread gluing resistance.

Integrated device for measuring shielding performance of anti-static shielding packaging bag

The invention relates to an integrated device for measuring the shielding performance of an anti-electrostatic shielding packaging bag, and the device comprises an ESD simulator which comprises a discharge switch, and a high-voltage power supply, an energy storage capacitor and a discharge network which are connected with the discharge switch; the capacitance probe is connected with the discharge network; the current and voltage function selection relay is connected with the capacitance probe; the current transformer and the at least one voltage divider are connected with the current and voltage function selection relay; the waveform acquisition module is connected with the current transformer and the voltage divider; the control module is connected with the waveform acquisition module; the calibration interface comprises a current calibration interface, a capacitance-resistance network calibration interface and a high-voltage output calibration interface; wherein the discharge network ...

Apixaban tablet and preparation method thereof

The invention discloses an apixaban tablet and a preparation method thereof, and belongs to the technical field of medicines. The apixaban tablet consists of a tablet core and a coating, wherein the tablet core is composed of apixaban, a fiber-lactose compound, crosslinked carboxy methyl cellulose, lauryl sodium sulfate and magnesium stearate; various components in the tablet core are controlled within limited dosage ranges and a mutual synergistic effect is achieved, so that the dosage of the cross-linked sodium carboxymethyl cellulose as a disintegrating agent is reduced and the dissolution rate of the apixaban tablet is improved; therefore, the average dissolution rate within 10min is more than 90%, the dissolution rate is slightly affected by illumination, temperature and humidity, the performance is stable, and the apixaban tablet is low in contents of impurities. According to the preparation method of the apixaban tablet disclosed by the invention, the tablet core is prepared by a ...

Push away knotter

The utility model belongs to the technical field of medical treatment assistive technology and specifically relates to a push away knotter, include: the sleeve pipe, the push rod can be in the sleeve pipe reciprocating motion, actuating mechanism is arranged in driving the push rod at sleeve pipe reciprocating motion with push rod one end is articulated, it is articulated with the push rod to push away cutter one end, and can be at the intraductal and push rod simultaneous movement of cover, the pressure head seat is equipped with the through -hole of being convenient for wear to establish the chuck, and pressure head, the pressure head seat is fixed to be set up at the sleeve pipe front end, the pressure head articulates at the sleeve pipe front end inboardly, the sleeve pipe lateral wall is equipped with the thread eye, the stylolite can pass the chuck in proper order and the thread eye is derived outside the locker, it sets up the one side of keeping away from the pressure head seat ...

Express sorting unmanned forklift with anti-collision function

The express sorting unmanned forklift with the anti-collision function comprises a forklift shell, two symmetrically and vertically distributed long guide rails are fixedly connected to one side of the forklift shell, guide rail grooves are formed in the middles of the top ends of the long guide rails, guide blocks are movably connected to the inner sides of the guide rail grooves, and lifting devices are fixedly connected to one sides of the guide blocks. Two slotting tools which are symmetrically and horizontally distributed are fixedly connected to one side of the lifting device, a first fixator is fixedly connected to the edge side of the top of the vehicle shell, a second fixator is fixedly connected to the other edge side of the top of the vehicle shell, a front distance measuring sensor is fixedly connected to one side of the first fixator, and a controller shell is fixedly connected to the middle of the other side of the vehicle shell. Through the arrangement of the front distance ...

Preparation method for polyacrylic acid large-grain bead-shaped water absorbing resin

The invention relates to a preparation method for polyacrylic acid large-grain bead-shaped water absorbing resin, which is characterized by comprising the following steps: preparing any of toluene, cyclohexane or ortho-xylene and carbon tetrachloride into a mixed continuous phase; adding ethyl cellulose functioning as oil-soluble dispensing agent, stirring the ethyl cellulose to the mixed continuous phase and heating the mixture; evenly mixing a synthesized monomer with all components of an initiating agent and a cross linking agent; after the reaction is finished, cooling the mixture to roomtemperature; performing filtering, washing and vacuum drying to the mixture to obtain white bead-shaped water absorbing resin; and simultaneously reclaiming the solvent. The invention has the advantages that nitrogen does not need to be led in the reaction process, and acrylic acid (analytical reagent) does not need to be rectified and can be directly used, thereby the synthesis steps and the posttreatment ...

Pantograph overhauling tool for rail transit vehicle

The invention relates to the technical field of railway overhauling tools, and particularly discloses a rail transit vehicle pantograph overhauling tool which is used for conveniently, automatically and quickly overturning and fixing to-be-overhauled parts of different specifications without loosening the to-be-overhauled parts by personnel and then overturning and fixing the to-be-overhauled parts. Time and labor are saved, working efficiency is improved, use requirements are met, and the secondary utilization rate of the to-be-overhauled part is increased.

Methods for delivering, handling delivery and performing delivery of fast freight and express system

The invention provides methods for delivering, handling delivery and performing delivery of a fast freight and an express system. The method for delivering the fast freight comprises the steps of acquiring identification of a delivery performing device requested to use and user information of a delivery sheet to be delivered; sending a delivering request to a delivery handling device; receiving the delivering request by the delivery handling device, and generating an order identification for marking the delivering request; determining the identification of a box to be delivered according to the delivering request and the locally pre-stored use state in order to create a pre-delivering order and update the user state of the box corresponding to the box identification; distributing a delivering message to the delivery performing device. With the adoption of the methods, a plurality of delivering tasks can be synchronously carried out.

Fastener rust removal device

The invention discloses a fastener rust removal device, and relates to the technical field of rust removal devices, a fixing seat is mounted on the side face of each rotating disc, a strip-shaped groove is formed in the side face of each fixing seat, and a micro motor is mounted at one end of each fixing seat; the driving end of each micro motor extends into the strip-shaped groove and is provided with a two-way screw with the other end rotationally connected with the inner wall of the strip-shaped groove, each thread of each two-way screw is provided with a fourth threaded seat, the side face of each fourth threaded seat is provided with a clamping plate, and the end of the third electric push rod is provided with a grinding cutter. The grinding tool is inserted into the gap of the threaded tooth sleeve, rust in the gap of the rotating threaded tooth sleeve is ground through the grinding tool, then rust removal on the surface of the threaded tooth sleeve is more thorough, the position ...

Guide pipe base for intramedullary nail punching device

The invention relates to a guide pipe base for an intramedullary nail punching device. The guide pipe base for the intramedullary nail punching device comprises a guide pipe locating pipe, a guide pipe sleeve base, a guide pipe inner base, a fork dish, a locating sliding block, a locating shaft, a rotary knob and a locating nail, wherein the guide pipe inner base is sleeved with a cavity of the guide pipe sleeve base and is in sliding connection with the guide pipe sleeve base; a guide through hole is formed in the position, in the direction of the axis of the guide pipe sleeve base, of the guide pipe inner base; a cylindrical protrusion of the fork dish is embedded into the guide pipe inner base and is fixedly connected with the fork dish; the locating sliding block is in sliding connection with a locating notch; one end of the locating sliding block is connected with the locating shaft through a spring; the other end of the locating sliding block is provided with the locating nail; the ...

Thickening agent for liquid carbon dioxide fracturing and preparation method thereof

The invention discloses a thickening agent for liquid carbon dioxide fracturing and a preparation method thereof, relates to a thickening agent formula for the liquid carbon dioxide fracturing, and belongs to the technical field of oilfield chemistry. The thickening agent for the liquid carbon dioxide fracturing and the preparation method thereof are provided for solving the deficiency that existing liquid carbon dioxide fracturing viscosity is low. The thickening agent for the liquid carbon dioxide fracturing consists of constituents of, by weight percentage, 20-30% of long-chain alkyl trimethyl quaternary ammonium salt, 10-20% of long-chain alkyl dihydroxy ethyl methyl quaternary ammonium salt, 5-15% of organic acid, 10-20% of small molecular alcohol and the balance clear water. The thickening agent for the liquid carbon dioxide fracturing is made of raw material which is low in cost and easy to obtain, can substantially improve liquid carbon dioxide fracturing viscosity, reduces filtration ...

Instrument is inhaled to LED display panel module's magnetism

The utility model discloses an instrument is inhaled to LED display panel module's magnetism, a serial communication port, including support, knob, nut, screw rod, magnet and frame, the support is inside for open -ended cavity down, and the middle part on its top is the opening also, and this vertical direction in opening edge extends the support passageway, the knob with the nut top is connected fixedly, the nut sets up in the support passageway, and the quilt the nut supporting part that supports on the passageway supports, the screw rod with the nut links firmly through external screw thread scroll cover in mutual mating and connects, magnet sets up in the frame, the bottom of screw rod is passed the opening of frame top with magnet is connected fixedly, the frame pass through frame location portion with the bottom of the cavity inner wall of support is connected. The utility model discloses converting the revolving force pulling force of even continuation to, both lightly having taken ...

Delivering method and system based on automatic cell phone number matching

The invention provides a delivering method and system based on automatic cell phone number matching. The method comprises: a delivering device acquires the last N numbers of a subscriber number of an express to be delivered and transmits a matching request including the last N numbers to a server; the server receives the matching request and determines whether a matched number with last N numbers the same as the last N numbers has been logged; if yes, the server transmits the matched number to the delivering device; the delivering device receives the matched number and determines whether the matched number is the same as the subscriber number of the express to be delivered; if yes, the delivering device transmits a delivering request including the matched number, the ID of an express cabinet terminal to be delivered, the ID of a sub cabinet to be delivered, and an express number to the server. The delivering method and the delivering system may improve delivering efficiency.

Delivery processing method, delivery executing method, delivery method, devices and system

The invention provides a delivery processing method, a delivery executing method, a delivery method, devices and a system. The delivery processing method includes enabling a server to receive delivery instruction information transmitted by user terminals; verifying the delivery instruction information, and querying personal express delivery case ID (identification) corresponding to order identifiers ID according to the order identifiers ID if the delivery instruction information passes verification; processing the order identifiers ID and the personal express delivery case ID to generate first data information; transmitting the first data information to cabinet terminals corresponding to the personal express delivery case ID; receiving delivery success response information transmitted by the cabinet terminals. The delivery instruction information contains the order identifiers ID. The delivery processing method, the delivery executing method, the delivery method, the devices and the system ...

Delayed composite foaming agent for fracturing as well as preparation method and construction method of delayed composite foaming agent

The delayed composite foaming agent for fracturing is a capsule type foaming agent and comprises a capsule shell and a water-soluble slow-release inner core contained in the capsule shell, the water-soluble slow-release inner core is composed of a protective layer and a foaming material according to the mass ratio of 1: (3-4), the protective layer is polylactic acid-polyethylene glycol-polylactic acid, and the foaming material is polyethylene glycol-polylactic acid. The foaming material is prepared from the following components in percentage by weight: 30 to 35 percent of Winsono BT zwitterionic oilfield foaming agent, 45 to 48 percent of basosol 100 foaming agent and 17 to 25 percent of clay stabilizer; the capsule shell is prepared from the following components in percentage by weight: 38 to 42 percent of gelatin, 16 to 24 percent of glycerol and 38 to 42 percent of water. The invention also discloses a preparation method and a construction method of the delayed composite foaming agent ...

Express item delivery method, delivery processing method, express cabinet terminal and service system

The invention provides an express item delivery method, a delivery processing method, an express cabinet terminal and a service system. The express item delivery method comprises the following steps: the express cabinet terminal sends a data request to the express service system, so that the express service system inquires a locally prestored use state list and returns data response; the data response sent by the express service system is received and contains use state lists of multiple sub-cabinets managed by the express cabinet terminal; the express number of a to-be-delivered express item and the sub-cabinet type required to use are acquired; any sub-cabinet which corresponds to the sub-cabinet type required to use and is in an idle state is selected to serve as the sub-cabinet waiting for express item delivery; and a hardware instruction for opening the sub-cabinet door is sent to the sub-cabinet waiting for express item delivery. Efficient express item delivery can be realized with ...

Door check

The invention provides a door check and belongs to the field of automobile parts. The door check comprises a check support, a limiting arm, a support pin roll, a limiting box and a dustproof structure, wherein a sliding block and an elastic part are arranged in the limiting box, and the dustproof structure covers the limiting box and the limiting arm. The dustproof structure is arranged on the surfaces of the limiting box and the limiting arm so as to carry out dust separation protection on the limiting box and the limiting arm and prevent matters such as external dust and muddy water from entering the inner part of the limiting box and adhering to the surface of the limiting arm. The door check has the advantages that on the one hand, the service life of the door check is prolonged, on the other hand, the abnormal sound and the noise caused by dust, muddy water and the like during the working of the door check are eliminated, and the comfort level of consumers is improved.

Drilling and completion leakage processing tool and leakage processing method

The invention relates to the field of oil and gas development, in particular to a drilling and completion leakage treatment tool and method, and the specific process is as follows: (1) after drilling and completion, performing reaming operation on a leakage section through a reaming tool; (2) an oil pipe is put in, a packer is arranged at the bottom of the oil pipe, the packer is put down to the upper portion of the leakage section by 3-5 m, the packer is set, and the leakage section is packed on the lower portion of the packer; (3) replacing the drilling fluid at the lower part of the packer and in the oil pipe; (4) the leakage section well wall is treated through laser, so that the leakage section well wall is ceramized and vitrified; and (5) leaking stoppage and solidification are conducted on the treated well wall of the leakage section, and then the leakage section is drilled through. According to the method, the leakage section well wall is treated through laser, the soft leakage ...

Plug-in type electrostatic discharge generating device

The invention relates to a plug-in card type electrostatic discharge generating device. The plug-in card type electrostatic discharge generating device comprises a host case; the backboard is arranged in the host case, a plurality of connectors are arranged on the backboard, and the plurality of connectors are electrically connected through a control circuit integrated on the backboard; the plug-in card type power supply module is detachably arranged in the host case and is connected with one of the connectors on the back plate; the card insertion type high-voltage source module is detachably arranged in the host case and is connected with one of the connectors on the back plate; and the plug-in card type main control communication module is detachably arranged in the host case and connected with one of the connectors on the backboard, and the plug-in card type main control communication module is configured to control the plug-in card type high-voltage source module to adjust the plug-in ...

Hair dye additive

The invention provides a hair dye additive which comprises astragalus roots, cloves, licorice, cattail pollen, bletilla striata extracts and deionized water. The hair dye additive can improve the hair dyeing effect, reduce the dosage and the acting time of substances stimulating the skin, relieve and make up the stimulation and the harm of hair dye to hair and scalp.

Batch delivery method and system

The invention provides a batch delivery method and system. The batch delivery method includes the steps that delivery equipment obtains and sends a data request towards a server; the delivery equipment receives data response fed back by the sever, and the data response comprises a sub-cabinet list; the delivery equipment selects a to-be-delivered sub-cabinet from the sub-cabinet list and sends a box opening request containing a terminal ID of the to-be-delivered sub-cabinet and an ID of the to-be-delivered sub-cabinet to the server; the server receives the box opening request and pushes a box opening message towards a delivery cabinet terminal, and the box opening message comprises the ID of the to-be-delivered sub-cabinet and IDs of all empty sub-cabinets corresponding to the to-be-delivered sub-cabinet; the to-be-delivered delivery cabinet terminal receives the box opening message and sends a box opening instruction to all sub-cabinets of the to-be-delivered sub-cabinet according to the ...

Bird's nest identification method

The invention provides a bird's nest identification method. The bird's nest identification method is characterized by adopting the nuclear magnetic resonance for detecting. The bird's nest identification method comprises the following steps: samples to be identified are pre-processed: the samples to be identified are grinded to fine powder; 1% of phosphoric acid water solution containing more than 10% of deuterium is added in the fine powder for implementing the water-bath heating in boiled water and centrifugating after cooling; supernate is taken into a 5 mm of nuclear magnetic tube; the nuclear magnetic tube is sealed; technical parameters are set; 1H-NMR spectrograms of the samples are acquired through a nuclear magnetic resonance spectrometer; the authenticity of bird's nests is judged through comparing the bird's nests with the 1H-NMR spectrograms of the samples to be identified. The method is simple and easily operated; the measurement of the analyzed samples has no need of exact ...

Electronic chip electrostatic discharge potential failure pre-diagnosis system and method

The invention relates to an electronic chip electrostatic discharge potential failure pre-diagnosis system and method, and the system comprises an electrostatic discharge module which is used for carrying out the electrostatic discharge of a pin of an electronic chip, and carrying out the acceleration of a failure; the acceleration failure action module is used for accelerating and evolving potential failure into immediate failure; the electrical performance test characterization module is used for testing electrical performance parameters of the electronic chip subjected to electrostatic discharge and accelerated failure; and the plurality of electrostatic discharge event detection modules are used for carrying out on-line characterization on the electrostatic discharge electromagnetic radiation. According to the method, online pre-diagnosis of the electrostatic potential failure of the electronic chip is realized, the harm of the electrostatic potential failure to an electronic system ...

Processing method of multi-source heterogeneous data

The invention belongs to the technical field of the data processing, and particularly relates to a processing method of multi-source heterogeneous data. The processing method of the multi-source heterogeneous data comprises the following steps (1) extracting data, (2) screening data constructing SQL statements, (3) achieving data generation through process and node operation, (4) pushing data to a client side according to a requirement, and (5) after fusion is performed on the data according to a user requirement, presenting the fused data on display equipment. The invention discloses the processing method of the multi-source heterogeneous data; and the processing method of the multi-source heterogeneous data has the following advantages of 1, high data processing efficiency, 2, data process visualization, and 3, multi-source heterogeneous data seamless access and synchronous processing which can be performed on different formats and different structures of data by a system.

Hardware processing, drying and spraying equipment

The invention discloses hardware machining, drying and spraying equipment, and relates to the technical field of hardware. The device comprises electric telescopic rods, the electric telescopic rods are fixedly connected with the side, away from a workbench, of a storage bin, the multiple electric telescopic rods are uniformly arranged, the ends, away from the storage bin, of the multiple electric telescopic rods are fixedly connected with a placement plate, and the side, away from the electric telescopic rods, of the placement plate is provided with multiple first round holes; second round holes are formed in the bottoms of the first round holes, vertical rods are fixedly connected to the bottoms of the second round holes, multiple clamping plates are fixedly connected to the sides, away from the second round holes, of the vertical rods, the ends, away from the vertical rods, of the clamping plates are slidably connected with the inner walls of the first round holes, and the outer surfaces ...

Expanding type vertebral body shaper

The invention relates to an expanding type vertebral body shaper, comprising a mandrel, an ejector sleeve and a propped-open ball, wherein the ejector sleeve is sleeved on the mandrel; the propped-open ball is made from developer doped with high polymer medical plastics; the left end of the propped-open ball is fixed on the left end head of the mandrel, and the right end thereof is fixedly connected with the left end head of the ejector sleeve in a detachable manner; when the ejector sleeve is arranged at the right side of the mandrel, the connecting bars of the propped-open ball main body are in an unfolded state, and the connecting bars of the propped-open ball main body are in a curled state when the ejector sleeve is arranged at the left side of the mandrel. The invention can be added with a protection jacket which comprises a sleeve and a latex coat, the latex coat is provided with a sealed left end and a right opening, the right section of the latex coat covers the outside of the ...

Heat conduction device connecting method

The invention discloses a heat conduction device connecting method, and belongs to the technical field of heat control. The problems that in the prior art, U-shaped plate clamping type and pressing type connection is adopted, when the clamping force is small, a heat conduction device moves in the length direction, and when the clamping force is large, the heat conduction device is prone to deformation. According to the heat conduction device connecting method, the heat conduction device and a connecting plate are connected in a welding mode, and the connecting plate and an object with heat needing to be dissipated are fixedly connected through screws. According to heat conduction device connection, an aluminum or copper plate with certain rigidity is connected with the heat conduction device in a fusion welding mode, the heat conduction device and the connecting piece are stably supported, the precision of the connecting face shape and the using reliability are high, the effect on the device ...

Ticagrelor tablets and preparation method thereof

The invention discloses ticagrelor tablets and a preparation method thereof and belongs to the technical field of medicines. According to the ticagrelor tablets disclosed by the invention, mannitol, microcrystalline cellulose, low-substituted hydroxypropyl cellulose, croscarmellose sodium and magnesium stearate are selected as auxiliary materials and are compounded with the raw material medicine ticagrelor tablets so as to obtain the ticagrelor tablets, and each auxiliary material and the raw material medicine are synergetic in the defined amount range, so that the dissolution rate of the prepared ticagrelor tablets is higher than that of the conventional commercially available tablets. Moreover, the ticagrelor tablets have the same dissolution behavior as the commercially available medicines, the ticagrelor tablets have good absorption effects, and the bioavailability of the ticagrelor tablets is improved. The ticagrelor tablets disclosed by the invention are small in impurity content ...

Zero-standby zero power consumption energy-saving socket

The invention provides a zero-standby zero power consumption energy-saving socket. The zero-standby zero power consumption energy-saving socket comprises a socket body and a main control plug hole base arranged on the socket body, wherein the socket body also internally comprises an automatic switch relay JK1, a manual touch control key switch K1, a power supply module as well as an electric current monitoring module, a signal conditioning module, a comparing module, a delay control module, a relay drive module and a J1 relay coil, wherein the electric current monitoring module, the signal conditioning module, the comparing module, the delay control module, the relay drive module and the J1 relay coil are connected successively; the relay JK1 and the manual touch control key switch K1 are connected in parallel, one end of the parallelly connected relay JK1 and manual touch control key switch K1 is connected to a live wire L of the inlet of an external connecting circuit, while the other ...

Cloth-filling anti-detaching method

The invention discloses a cloth-filling anti-detaching method, belongs to the field of optical system and electronics precise mechanical structure, and aims to solve the problems that the existing sealing method is to use an adhesive tape to seal, is poor in reliability, and particularly, when the adhesive tape is applied to the aerospace engineering, the spliced gum of the electric conducting adhesive tape after high and low temperature can be separated out. The cloth-filling anti-detaching method comprises the following steps: step 1, selecting strip-shaped cloth, utilizing a thread to carry out edge sewing on the two long sides of the cloth to form a concave long strip; step 2, utilizing the long strip formed in the step 1 to fill a gap, during the filling process, enabling the non-concave part of the concave long strip to be kept on the outer side of the gap after the gap is filled, and keeping the thickness greater than the width of the gap. The cloth adopted for sewing is selected ...

Air chamber floating breakwater with low anchoring tension

The invention discloses an air chamber floating breakwater with low anchoring tension. The air chamber floating breakwater comprises a box body, a power generation module, a stabilization module, a transmission module, a control module, a vibration reduction module and an anchoring system, the power generation module supplies power to the transmission module, the control module and the vibration reduction module; the stabilization module comprises pneumatic cavities located on the two sides of the box body. The transmission module is connected with the vibration reduction module and used for driving the vibration reduction module to rotate. The control module controls the vibration reduction module and the transmission module to work; the control module adjusts the transmission direction according to the motion state of the air chamber floating breakwater with the low anchoring tension, and therefore opening and closing of left and right blades of umbrella framework type tandem propellers ...

Method for deacidifying high-acid-value oil and synchronously preparing diglyceride

The invention discloses a method for deacidifying high-acid-value oil and synchronously preparing diglyceride, and belongs to the technical field of deep processing of oil. When a zinc compound is adopted to catalyze esterification and deacidification of high-acid-value grease in the deep-eutectic solvent, under the regulation and control of the deep-eutectic solvent, on one hand, esterification and glycerolysis reactions during deacidification are respectively promoted; and on the other hand, esterification and glycerolysis reactions during deacidification can promote each other, so that the deacidification effect and efficiency are greatly improved, and accumulation of diglyceride in the product is promoted. In addition, after the reaction is finished, the separation of the eutectic solvent, the catalyst and the deacidified grease can be realized through simple centrifugation. The method is high in deacidification rate, good in effect and simple in product separation, the deacidified ...

Automatic take-up strainer

The invention discloses an automatic take-up strainer, and relates to the technical field of strainers. The device comprises a hook device, the hook device is composed of a sliding rod, the two ends of the sliding rod are fixedly connected to the side, away from a belt inlet plate, of a shell, a sliding sleeve is slidably connected to the outer surface of the sliding rod, a connecting base is arranged on the side, away from the shell, of the sliding sleeve, and the connecting base is fixedly connected with the outer surface of the sliding sleeve. The inner wall of the connecting base is rotationally connected with a hook through a rotating rod, and the side, close to the connecting base, of the hook is fixedly connected with a clamping block which is in an inverted triangle shape. The connecting base is rotationally connected with the hook, when the tensioner hooks an object, the edge of the object can be hooked at multiple angles, hooking is more convenient, the clamping block is arranged ...

Unmanned forklift with controllable direction and controllable distance

The utility model discloses an unmanned forklift with controllable direction and distance, which belongs to the technical field of forklift equipment and is characterized by comprising a forklift body, the front surface of the forklift body is fixedly connected with two first connecting devices and two second connecting devices, and two sides of the inner wall of each first connecting device are rotatably connected with fixing plates; through the arrangement of the first connecting device, when the laser sensor needs to be subjected to left-right fine adjustment in use, the first motor is controlled to rotate independently through remote control, the second connecting plate is driven to rotate, the laser sensor is driven to rotate left and right through the fixing plate, and the left-right rotation range is 360-degree omnibearing; when the laser sensor needs to be finely adjusted up and down, a second motor is controlled to rotate independently through remote control, a fourth connecting ...

Fracturing fluid prepared from high-salinity formation water and preparation method of fracturing fluid

The invention provides a fracturing fluid prepared from high-salinity formation water and a preparation method of the fracturing fluid and belongs to the technical field of oil field chemistry. The fracturing fluid prepared from the high-salinity formation water aims at the defects of the prior art, and is composed of a base fluid and a cross-linking agent, wherein the mass fraction of the cross-linking agent is 1-5% and the balance of the base fluid; the base fluid is prepared from 0.2-0.4% of hydroxypropyl guar gum, 0.1-0.5% of demulsifying/cleanup agent, 0.01-0.5% of bactericide, 0.01-5% of protective agent, 0.01-5% of ph regulator and the balance of formation water having the salinity within the range of 10000mg/L to 100000mg/L; the protective agent is the aqueous solution of 1,2-diaminocyctohexane, and the mass ratio of solute to solvent in the protective agent is 1: 2. The fracturing fluid can be prepared by use of the formation water having the salinity within the range of 10000mg ...

Unmanned bus with infrared obstacle avoidance function

The unmanned bus with the infrared obstacle avoidance function comprises a bus body, a fixing frame is installed in the bus body, an electric hydraulic push rod is arranged on the right side of the fixing frame, a motor box is assembled on the upper end face of the electric hydraulic push rod, and a speed reduction motor is assembled in the motor box. The upper end face of an output shaft of the gear motor is fixedly connected with a mounting plate, a central infrared sensor is assembled on the right side of the mounting plate, a protective cover is installed on the right end face of the bus body, a mounting base is installed under the protective cover, and an edge infrared sensor is assembled on the right end face of the mounting base. Installation and adjustment are flexible, and safety is improved.

Meteorological baseline fusion correction model

The invention discloses a meteorological baseline fusion correction model, which comprises a distance correction model, a horizontal angle correction model and a zenith distance correction model, the distance correction model comprises correction of meteorological representative errors and errors caused by other factors, and the correction of the meteorological representative errors and the errors caused by other factors comprises the following steps: for a calibration base point, carrying out correction on the calibration base point; establishing a calibration base point comprehensive correction coefficient model and solving coefficients of the calibration base point comprehensive correction coefficient model according to the function relationship between the distance correction residual error and the air pressure, the dry temperature, the humidity temperature, the vertical altitude difference and the horizontal distance; the distance correction residual error is determined by a formula ...

Network real-time monitoring method based on cloud computing

The invention relates to the technical field of network monitoring, in particular to a network real-time monitoring method based on cloud computing, which comprises the following steps that: a signal transceiver transmits a network signal to an intelligent processor, and the intelligent processor transmits the network signal to each module; monitoring whether the network signal contains viruses or not through a virus monitoring module; the advertisement monitoring module monitors whether the information contains advertisement information and filters the advertisement information, and the disk virtualization module is used for realizing virtualization of a CPU, a memory and a disk; the internet access monitoring module is used for allowing setting of an access website and forbidding of the access website, and the financial transaction module can call financial transaction information of a network; when each module monitors that a network signal goes wrong, the intelligent processor controls ...

Power system fault positioning method and system and computer readable storage medium

The invention relates to a power system fault positioning method and system and a computer readable storage medium, the power system fault positioning method is applied to an ultrasonic detector, and the method comprises the steps: employing the ultrasonic detector to detect a detection part of a power system, and obtaining the distance information and imaging information of the detection part; the distance information and the imaging information are transmitted to a cloud network, and the cloud network is used for positioning the fault position of the power system according to the comparison result of the distance information and the imaging information. When a fault point is positioned by adopting an ultrasonic technology, the defect of inaccurate ultrasonic positioning fault position caused by external signal interference can be overcome by adopting a mode of checking the fault position by adopting imaging information, and the accuracy and the reliability of a fault position positioning ...

Rapid closed sewage discharge device

The invention relates to a rapid closed sewage discharge device, and belongs to the technical field of sewage suction trucks. The invention discloses a quick closed sewage discharge device, which comprises a vacuum station, a first sewage collection tank and a second sewage collection tank which are sequentially arranged from front to back, the first sewage collection tank and the second sewage collection tank are oppositely arranged, and the quick closed sewage discharge device further comprises a vacuum station, a suction pipe system and a discharge pipe system which are communicated with the first sewage collection tank and the second sewage collection tank, the first sewage collecting tank and the second sewage collecting tank are vacuumized through the vacuum station, sewage enters the first sewage collecting tank and the second sewage collecting tank through the suction pipe system, and sewage is discharged from the first sewage collecting tank and the second sewage collecting tank ...

Preparation method and fracturing construction method of locally and continuously mixed clean fracturing fluid additive

The invention discloses a preparation method and a fracturing construction method of a locally and continuously mixed clean fracturing fluid additive. The invention is characterized in that the preparation of the locally and continuously mixed clean fracturing fluid additive comprises four steps, and the purposes of local and continuous mixing and continuous construction of the prepared clean fracturing fluid additive can be realized without preparation in a fluid preparation station or a well filed in advance. Thus, both the preparation method and the fracturing construction method of the locally and continuously mixed clean fracturing fluid additive are very simple and convenient.

Method for fixing prism

The invention relates to a method for fixing a prism, belonging to the fields of optical systems and precise mechanical structures and aiming to overcome the defects that in the traditional bonding method, after two planes to be bonded are glued for butt joint, redundant glue flows out from the joint surface, only a small quantity of glue is left, thus, redundant glue on the periphery of the prism can be separated out to pollute the periphery of the prism, and the separated pollutants are easy to fall off to pollute peripheral environment of an instrument and reduce the reliability of the instrument equipment. The method comprises the following steps of: milling out a plurality of glue accommodating slots on the surface of a prism base; then injecting glue in the glue accommodating slots to ensure that the glue surfaces are higher than the glue accommodating slots; after the prism and the glue accommodating slots are butt-jointed, carrying out relative rotation on the prism along the horizontal ...

Neomorph mutant protein for encoding gene SLC10A1 of chronic hepatitis B virus and hepatitis D virus hepatocyte receptors as well as encoding gene and application of neomorph mutant protein and encoding gene

The invention discloses a mutant strain and mutant protein for encoding gene SLC10A1 of hepatitis B virus and hepatitis D virus hepatocyte receptors and application of the mutant strain and mutant protein in prevention or treatment of hepatitis B virus and hepatitis D virus infection and related liver failure. The mutant protein for the SLC10A1 gene is obtained by mutating serine into phenylalanine at 267-th position of the amino acid sequence of the SLC10A1 protein. According to the mutant protein and the encoding gene thereof, a diagnostic kit based on SLC10A1 gene and mutants thereof can be established. Furthermore, since the mutation hinders hepatitis B virus or hepatitis D virus from entering the hepatocyte, the application prospect in generation of corresponding new drugs for prevention and treatment of hepatitis B or hepatitis D is achieved. The invention discloses the application prospect of other mutations of the SLC10A1 gene in prevention and treatment of hepatitis B or hepatitis ...

Enhancement heat conduction structure for high-power CCD of space optical remote sensor

The invention provides an enhancement heat conduction structure for a high-power CCD of a space optical remote sensor, and belongs to the technical field of space optical remoter sensors. The structure aims to solve the problems that in the prior art, heat conduction paths of a CCD are limited, the contact area between a fixing component at the back of the CCD and an installation substrate is small, thermal contact resistance is large and heat conduction efficiency is low. The enhancement heat conduction structure for the high-power CCD of the space optical remote sensor is an integral component composed of a device pressing plate, fixing ends and an enhancement heat conduction end. The fixing ends are located at the two ends of the device pressing plate, multiple narrow grooves are evenly machined between the enhancement heat conduction end and the device pressing plate, and the narrow grooves correspond to device pins at the back of the CCD in a one-to-one mode. On the basis that the ...

Sternum folding fixator easy to disassemble

The invention relates to the field of medical apparatus and instruments, in particular to a sternum folding fixator easy to disassemble. The sternum folding fixator comprises a first connection part and a second connection part which are used for folding the sternum in a releasing manner, wherein the first connection part comprises a claw-shaped hook plate and an inserting tongue; the second connection part comprises a claw-shaped hook plate and an inserting plate; an inserting opening used for allowing the inserting tongue to conveniently penetrate into and matched with the shape of the inserting tongue is formed in the inserting plate; a locking mechanism used for locking the inserting tongue in the inserting plate in a releasing manner is arranged on one side of the inserting plate. According to the sternum folding fixator easy to disassemble, the structure comprising the inserting tongue and the inserting plate is adopted; the locking mechanism used for locking the inserting tongue ...

ShRNA of targeted circular RNA 0089762 and application of shRNA

The invention relates to shRNA of targeted circular RNA 0089762. A nucleotide sequence of the shRNA is as follows: sh-circRNA-1:5'-CCATGTCGCCTGGTTCTTAGTT-3' or sh-circRNA-2:5'-CGCTGCATGTGCCATGTCGTT-3'. The invention also provides an application of the shRNA targeting the circular RNA 0089762 in promoting metabolic inflammation in a cell experiment, and metabolic diseases caused by the metabolic inflammation comprise obesity, type 2 diabetes mellitus, atherosclerosis or non-alcoholic fatty liver diseases.

Cloning method of hepatitis C virus genes

The invention relates to a cloning method of hepatitis C virus genes, and the cloning method comprises the following steps: extracting RNA (ribonucleic acid) of HCV (hepatitis C virus) from a serum sample; carrying out reverse transcription on the extracted RNA to obtain cDNA (complementary deoxyribonucleic acid); and carrying out nested PCR (polymerase chain reaction) on a primer using the cDNA obtained by reverse transcription as a template to amplify the core and NS5B (nonstructural protein 5B) gene fragments of hepatitis C virus. The method provided by the invention has high amplification efficiency; and the amplification efficiency to HCV with the virus titer more than 1000 IU can reach 95% and the amplification efficiency to the core gene fragment with virus titer less than 1000 IU can reach 60%.

Automobile back door inner plate

The invention relates to an automobile back door inner plate. The upper side of the back door inner plate is welded together with an upper window frame reinforcing plate; the left side of the back door inner plate is welded together with a hinge reinforcing plate; the right side of the back door inner plate is welded together with a lock reinforcing plate. The automobile back door inner plate is characterized in that a first reinforcing rib is vertically arranged on the back door inner plate; the top end of the first reinforcing rib is connected with the upper window frame reinforcing plate; the bottom end of the first reinforcing rib is connected with a fourth reinforcing rib and a fifth reinforcing rib which are arranged transversely respectively; the outer end of the fifth reinforcing rib is connected with the hinge reinforcing plate; the outer end of the fifth reinforcing rib is connected with the lock reinforcing plate.

Hair curling agent

The invention provides a hair curling agent, which comprises an A agent, a B agent and a C agent, wherein the A agent comprises a heterocyclic compound containing sulfydryl, sodium bisulfite, acid-alkali buffering agent, disodium ethylene diamine tetraacetate, astragalus root, clove, liquorice, cattail pollen and bletilla striata extract and deionized water; the B agent comprises sodium borate and deionized water; and the C agent comprises disodium ethylene diamine tetraacetate, glycerin monostearate, 8-hydroxyquinoline sulfate, acid-alkali buffering agent, clove extract and deionized water. The hair curling agent can achieve satisfied hair curling effect in the neutral or acid environment to which the scalp is adaptive, and can reduce the consumption and the action time of substances stimulating the skin.

Self-borne infusion support

The invention provides a self-borne infusion support which comprises a back strap part and an infusion bracket part. The back strap part comprises a back strap bracket, a shoulder strap and a waist strap; the infusion bracket part comprises a pillar, a crossbar and a hook; the upper edge of the back strap is connected with the shoulder strap; two lateral edges of the back strap bracket are respectively connected with the waist strap; the lengths of the shoulder strap and the waist strap can be regulated; the far ends of the shoulder strap and the waist strap can be mutually connected and fixed; two ends of the back strap bracket are provided with bushings; the pillar of the infusion bracket part can be inserted into the bushings of the back strap bracket; the upper edge of the pillar is connected with the crossbar; and the far end of the crossbar is connected with the hook. The infusion support disclosed by the invention is low in cost, light and durable, simple to use and easy to produce ...

Shale gas well CO2 and slickwater mixing fracturing technology

The invention discloses a shale gas well CO2 and slickwater mixing fracturing technology, and relates to the technical field of shale gas exploiting, in particular to the mixing fracturing technology by adopting CO2 and slickwater. In the construction process, a fracturing truck, a fracturing blender truck, a CO2 tank truck, a CO2 pump truck, a measuring truck, a fracturing manifold truck, an acid tank, propping agents and a liquid storage pot group need to be prepared, the fracturing manifold truck is provided with a low-pressure manifold and a high-pressure manifold, and the measuring truck is provided with a monitoring instrument, and the technology is characterized by comprising seven steps of doing well site planning, pressure testing, acid liquid processing, CO2 fracturing construction, slickwater fracturing construction, well closing after fracturing, and flow opening and flowback after fracturing. The shale gas well CO2 and slickwater mixing fracturing technology has the advantage ...

Shifting device for installation of ring lock scaffold

The invention belongs to the technical field of buildings, and provides a plate buckle scaffold installation deviation device which comprises a plate buckle frame installation section and a jacking adjusting seat and is characterized by further comprising a tray frame jacking, the lower end of the tray frame jacking is in threaded connection with the jacking adjusting seat and connected with the plate buckle frame installation section, and the tray frame jacking is connected with the plate buckle frame installation section. A platform is arranged at the upper end of the tray rack top support; and the deviation fixing plate can move relative to the platform in a limiting mode, a limiting groove is formed in the deviation fixing plate, and the limiting groove is used for containing pipe type objects arranged side by side. Compared with the prior art, the deviation device for the installation of the ring lock scaffold has the advantages that the difficulty of manual operation can be reduced ...

Open hole well fracturing crack directional opening tool and construction method

The open hole well fracturing crack directional opening tool comprises a tool string, the tool string comprises a sliding sleeve, the sliding sleeve is arranged in a pipeline, the sliding sleeve is arranged in the pipeline in a sliding mode, a sliding spray hole is formed in the sliding sleeve, a ball seat is fixedly connected to the sliding sleeve, a through hole is formed in the ball seat, a steel ball is detachably connected to the ball seat, and a fixed spray hole is formed in the pipeline; the hydraulic rock breaking device comprises a base, a channel is formed in the base, a liquid outlet hole is formed in the end of the pipeline and communicates with the channel, a plurality of connecting holes are formed in the base, plungers are inserted into the connecting holes and slidably arranged in the connecting holes, the connecting holes communicate with the channel through via holes, and top plates are fixedly connected to the plungers. A spring and a lateral elastic baffle are arranged ...

Locating device for staggered and spliced CCD

The invention provides a locating device for a staggered and spliced CCD. The locating device for the staggered and spliced CCD solves the problem that in the prior art, assembly, adjustment and rapid locating are inconvenient to carry out, heat displacement of a precise locating part is caused by direct contact of a heat pipe. The CCD detector is located through meridian locating protrusions and sagittal locating protrusions on a locating block, a locating pressing plate and the locating block are connected to clamp the CCD detector, and the other face of the locating block is connected with a focal plane base plate through a grinding pad. According to the locating device for the staggered and spliced CCD, the CCD detector is clamped by the locating pressing plate and the locating block clamp, the combination degree between the CCD detector and the locating block is changed by grinding the protrusions on the contact face between the locating pressing plate and the locating block, the overall ...

Hardware fitting deburring and cleaning equipment

The invention discloses hardware fitting deburring and cleaning equipment, and relates to the technical field of hardware fittings, the hardware fitting deburring and cleaning equipment comprises a base, a clamping device is fixedly mounted at the center of the top of the base, straight columns are fixedly connected to the corners of the top of the base, and protection plates are fixedly connected to the outer surfaces of the straight columns; a top plate is fixedly connected to the top of the straight column, a telescopic rod is fixedly mounted at the bottom of the top plate, a connecting plate is fixedly connected to the bottom of the telescopic rod, and a deburring device is fixedly mounted at the bottom of the connecting plate. According to the deburring and cleaning equipment for the hardware fittings, the hardware fittings are clamped through the clamping device, the hardware fittings of different shapes and different sizes can be clamped through cooperation of a rotating disc and ...

Integrated control cabinet for pumping unit

The invention relates to an integrated control cabinet for a pumping unit. The integrated control cabinet comprises a remote terminal unit, a remote control module, a comprehensive electric parameter acquisition module, a motor control module, a data transmission module and a cabinet body. The integrated control cabinet for the pumping unit has the advantages that integration degree is high, the integrated control cabinet is horizontally designed, a proper space is reserved, development requirements are met, the integrated control cabinet is made of stainless steel, rust-proof, safe to use, better in stability, convenient to maintain and high in safety factor, rich and normative interfaces are provided, the integrated control cabinet is provided with a customized developed software product, can connect data of an on-site original remote terminal unit and can also provide real-time display of other parameters, remote control functions and customized development service of other functions ...

Hydropower station power supply intelligent control system based on lightning early warning

The invention discloses a hydropower station power supply intelligent control system based on thunder and lightning early warning, which comprises a man-machine interaction and intelligent control device, at least one thunder and lightning monitoring device and at least one power supply control device, a monitoring signal is sent to the man-machine interaction and intelligent control device; the power supply control device is used for controlling all power supply systems in a control range in real time and monitoring states of power supplies and equipment in corresponding machine rooms; real-time communication with the man-machine interaction and intelligent control device is realized; the man-machine interaction and intelligent control device is simultaneously in information interconnection with the at least one thunder and lightning monitoring device and the at least one power supply control device, and is used for summarizing all data and carrying out operation processing to realize ...

Preparation method for polyacrylic acid large-grain bead-shaped water absorbing resin

The invention relates to a preparation method for polyacrylic acid large-grain bead-shaped water absorbing resin, which is characterized by comprising the following steps: preparing any of toluene, cyclohexane or ortho-xylene and carbon tetrachloride into a mixed continuous phase; adding ethyl cellulose functioning as oil-soluble dispensing agent, stirring the ethyl cellulose to the mixed continuous phase and heating the mixture; evenly mixing a synthesized monomer with all components of an initiating agent and a cross linking agent; after the reaction is finished, cooling the mixture to room temperature; performing filtering, washing and vacuum drying to the mixture to obtain white bead-shaped water absorbing resin; and simultaneously reclaiming the solvent. The invention has the advantages that nitrogen does not need to be led in the reaction process, and acrylic acid (analytical reagent) does not need to be rectified and can be directly used, thereby the synthesis steps and the post ...

Sleep aiding method, sleep aiding system, sleep aiding device, electronic equipment and storage medium

The invention discloses a sleep aiding method, a sleep aiding system, a sleep aiding device, electronic equipment and a storage medium, the sleep aiding method is applied to a server, and comprises the following steps: receiving sleep scene information corresponding to a sleeper sent by projection equipment; drawing a corresponding sleep-aiding scene video according to the sleep scene information; and controlling the projection equipment to play the sleep-aiding scene video, so that the sleeper enters a sleep state by watching the sleep-aiding scene video. According to the method, the corresponding sleep-aiding scene video is drawn and played according to the sleep scene information corresponding to the sleeper, so that the sleeper can enter a sleep state by watching the sleep-aiding scene video, and a good sleep-aiding effect is achieved.

Spatial calibration method for apparent defects of hydraulic tunnel

The embodiment of the invention provides a hydraulic tunnel apparent defect space calibration method, and relates to the technical field of hydraulic tunnel safety management. The hydraulic tunnel apparent defect space calibration method comprises the following steps: S1, establishing a three-dimensional model of a hydraulic tunnel; s2, acquiring a defect image of the hydraulic tunnel; s3, according to the defect image, identifying a pixel point corresponding to the defect; s4, quantizing the pixel points corresponding to the defects to obtain defect quantized data; and S5, marking defects on the three-dimensional model according to the defect quantification data. According to the hydraulic tunnel apparent defect space calibration method, the tunnel defect data of the hydraulic tunnel can be detected, and the processed tunnel defect data are marked in the three-dimensional model of the hydraulic tunnel, so that the defect information of the hydraulic tunnel is visually and accurately displayed ...

Photosensitive random copolymer honeycomb porous film and preparation method thereof

The invention relates to a random copolymer polystyrene-co-poly-methacryloyl ethyl cinnamate (PS-co-PCEMA) with photosensitivity and a preparation method of a honeycomb ordered porous film. The honeycomb ordered porous film disclosed by the invention has the characteristics that the method is simple in preparation technology, and good in porous film ordering property, and the prepared honeycomb ordered porous film has photosensitivity.

Ultralow-density high-strength water control fracturing propping agent and preparation method thereof

The invention discloses an ultralow-density high-strength water control fracturing propping agent which comprises the following raw materials: a main body component and an activating agent, and the mass ratio of the main body component to the activating agent is 100: (10-15); 100 parts by weight of the main component comprise the following raw materials in parts by weight: 91-95 parts of fly ash, 1-4 parts of a binder, 2-5 parts of a reinforcing agent and 0.1-0.5 part of a water reducing agent; the activating agent is a mixture of hexamethylenetetramine and bisphenol A resin. Meanwhile, the invention further discloses a preparation method of the proppant. The proppant provided by the invention has the advantages of small volume, high compressive strength and good acid dissolution resistance, and the flow resistance of oil is reduced and the flow resistance of water is improved by forming a hydrophobic and oleophilic layer with a contact angle of greater than 110 degrees, so that the yield ...

Vinpocetine dispersible tablet and preparation method thereof

The present invention discloses a vinpocetine dispersible tablet and preparation method thereof, wherein the vinpocetine dispersible tablet comprises the following constituents according part by weight: 3-20 parts of vinpocetine, 18-52.5 parts of fillers, 20-58 parts of disintegrating agents, 1.5-4.5 parts of bonds, 10-30 parts of flavouring agents and 0.5-2 parts of lubricants. The vinpocetine dispersible tablet of the present invention has the advantages of fast dispersity, good dissolution, greatly improved flavour, smooth appearance and good compressibility. The vinpocetine dispersible tablet is used for improving the dissolution and dispersity of pharmaceuticals; the preparation method of the present invention adopts a method that vinpocetine and mannitol are crushed together, so to prevent vinpocetine from generating static electricity, as well as to improve the dissolution of vinpocetine.

一种套管高效清洗器

本实用新型涉及油田油气井井下作业设备，具体涉及一种用于油气井套管高效清洗工具。一种套管高效清洗器，包括依次连接的接入接头、扶正器、中心管及堵头；所述接入接头与清洗管柱连接；所述中心管外壁上开设有供液体流出的槽口；还包括清洗装置，所述清洗装置套设在中心管外壁环绕中心管外壁一周且覆盖住槽口；所述清洗装置包括喷头；所述喷头上设有喷孔，所述喷孔上安装有喷嘴。本实用新型液体从喷嘴高速喷出产生反向冲力促使喷头顺时针高速转动，高速喷射流体能冲洗掉套管内壁部分粘附物。

Integrated toilet

Disclosed in the present invention is an integrated toilet, comprising a base and a main body rotatably mounted on the base. The main body comprises a discharge pipe, a urinal cavity and a toilet cavity which are in communication with the discharge pipe. The urinal and the toilet are integrated into one, realizing functional classification, and when used in the public restroom, there is no need to additionally provide a urinal, greatly reducing the investment cost. In addition, a stool is provided in the toilet cavity, the stool comprises a thigh contact part and a back rest part connected to the thigh contact part, and an angle of 15° to 75° is formed between the thigh contact part and the back rest part, so that when a user sits on the stool, an angle is formed between the thigh and the upper half of the body, the puborectalis muscle can be in a relaxed state, and the abdominal pressure and anorectal angle can be increased, being beneficial to promote the smooth defecation of the user, thereby effectively reducing the occurrence of hemorrhoids caused by poor defecation. The present invention is used in the technical field of sanitary equipment.

Integrated toilet

Toilet assistive device

Toilet assistive device

Disclosed in the present invention is a toilet assistive device, a main body frame comprising a support part, a handrail part and a bearing part; the handrail part providing effective support for a user standing up after sitting for a long time, capable of preventing a situation of the user falling because of momentary dizziness when standing up from occurring; the support part having provided thereon a footrest, such that a user can place two feet on the footrest when using the toilet, decreasing pressure on multiple parts of the body when using the toilet, and easing feelings of tiredness and fatigue. In addition, a toilet seat ring is rotatably mounted on the bearing part, an upper surface thereof including a forward tilted section in contact with the thighs and a backward tilted section in contact with the buttocks, an included angle between the forward tilted section and a horizontal surface being 15-75°; thus, when a user sits on the toilet seat ring, the thighs can be raised to form an angle with the upper torso, increasing abdominal pressure and an anorectal angle, which can also cause the puborectalis muscle to be in a relaxed state, aiding smooth defecation for the user, and decreasing hemorrhoid occurrence. The present invention is used in the technical field of sanitary devices.