42results about How to "Expansion is effective" patented technology

The invention discloses a network expansion method and device, relates to the technical field of communications, and aims to solve the problem that effective expansion of a long term evolution (LTE) network cannot be realized in the prior art. The network expansion method comprises the following steps: acquiring values of preset indexes in a preset index set respectively, wherein the preset index set comprises at least two preset indexes; comparing the values of the preset indexes with corresponding preset thresholds respectively, and determining comparison results of the preset indexes; determining a cell type according to the comparison results of all the preset indexes and a first preset relation table; and determining a target expansion way according to the cell type and a second preset relation table. The network expansion method and device are applied to a network expansion process.

The invention discloses a novel gynecological operation auxiliary system. The novel gynecological operation auxiliary system comprises a uterus expanding module, a camera shooting module, surgical instruments and a software and hardware supporting module, wherein the uterus expanding module comprises a plurality of expanding wires, an inner tube, an outer sheath tube and a tee joint, the camera shooting module comprises a fixing frame, a camera and a cleaning spray nozzle, the software and hardware supporting module is used for displaying images in the operation process in the whole journey and used for information collection and file storage, the fixing frame is installed on the expanding wires of the uterus expanding module, the camera is connected with the software and hardware supporting module, and the surgical instruments penetrate through the inner tube and the tee joint to enter the uterine cavity. The novel gynecological operation auxiliary system systematically solves a series of problems of uterine cavity expansion, visual operations, information and file storage and the like in the gynecological operation.

The invention discloses an automatic capacity expansion method and a device for blockchain nodes, an operation and maintenance terminal and a storage medium, which are applied to blockchain operationand maintenance, and the method comprises the following steps: acquiring disk residual capacity change data of nodes in a blockchain; obtaining a disk capacity prediction function corresponding to thenode according to the disk residual capacity change data, and obtaining a disk residual capacity value of the node after a preset time according to the disk capacity prediction function; and determining a disk target expansion capacity according to the disk residual capacity value of the node after the preset time so as to expand the node according to the disk target expansion capacity. Accordingto the method, the disk residual capacity value of the node after the preset time is evaluated through the disk capacity prediction function, and then the target expansion capacity of the disk is obtained, so that the on-demand effective expansion of the blockchain node is realized, the disk storage space is reasonably utilized, the disk space utilization rate is improved, and the risk caused bymanual intervention is reduced.

The invention relates to a variable columnar bladder digestive tract expanding support. The variable columnar bladder digestive tract expanding support comprises an air / liquid injection tube and a variable columnar bladder; one end of the air / liquid injection tube is provided with an openable air / liquid injection nozzle, and the variable columnar bladder is connected with the other end of the air / liquid injection tube; the air / liquid injection nozzle can inject air / liquid into the variable columnar bladder or draws air / liquid out of the variable columnar bladder, the variable column bladder is expanded to a hollow annular cylindrical supporting body after air / liquid is injected to the variable columnar bladder, a supporting body utilizes internal expansion pressure to be supported at a narrow digestive tract of a patient, and a hollow part of the supporting body forms a food flow channel. The volume of the injected air / water can be decided according to the narrowness of the digestive tract of the patient and the like, the size of the supporting body can also be constantly changed according to the change of a narrow section so that the supporting body can be firmly supported on the narrow digestive tract of the patient all the time and prevented from moving and slipping; meanwhile, by adjusting the size of the diameter and the expansion pressure, gradual expansion is achieved, so that the patient is adapted to expansion, and the probability that the patient bleeds and is perforated can be lowered.

The invention discloses a novel uterine cavity expander. The novel uterine cavity expander comprises a plurality of expansion wires, an inner tube, a sheath tube and a tee joint, wherein the expansion wires are closed rings made of materials having the shape memory function, the front end of the inner tube is fixedly connected with the expansion wires, and the tail end of the inner tube is fixedly connected with the main path end of the tee joint; the sheath tube is sleeved outside the inner tube. The novel uterine cavity expander is a uterus expansion device which is easy to operate and high in reliability, avoids injuries to the human body caused by mechanical uterus expansion and gas uterus expansion, and avoids obstacles brought by liquid uterus expansion to visualized induced abortion operation. The novel uterine cavity expander is simple in structure, reliable in performance, and convenient to disassemble and disinfect.

The invention relates to a carbon material low-temperature expansion method and a preparation method of low-temperature desulphurization and denitration agent for the same, in particular relates to a carbon material ultrasonic acid low-temperature expansion method and a method for preparing low-temperature desulphurization and denitration agent by means of ultrasonic activation by taking the carbon material as a carrier. The invention can be used for overcoming the defects in the existing technology, and provides an ultrasonic acidizing expansion method for expanding the carbon material quickly and efficiently under low temperature, and a quick, efficiency and energy-saving ultrasonic activation preparation method for preparing the low-temperature desulphurization and denitration agent by using the carbon material expanded by the method above. In the preparation method, one or mixture of hydrogen nitrate, sulfuric acid and hydrochloric acid with certain concentration is used as acid treatment agent, by assistance of ultrasonic waves, the carbon material, such as coke or half coke, is subjected to low-temperature acid treatment, after the porous carbon material is treated by acid treatment, vanadate catalyst is loaded on the carbon material, thus, a flue gas desulphurization and denitration agent is prepared. The product can effectively remove SO2 and NOx in the flue gas under low temperature.

Provided is a freezing apparatus, which is constituted to make the inlet quantity of a coolant of an expansion mechanism variable while recovering the energy of a high-pressure coolant as a power to the maximum by the expansion mechanism. The expansion mechanism (50) is equipped with two rotary mechanism units (70 and 80) having displacements made different from each other. These rotary mechanism units are connected in series, and the rotary mechanism unit of the smaller displacement has two inlet ports (55 and 56) formed in its cylinder (71). Inlet pipes (24 and 27), as connected to the inlet ports (55 and 56), are equipped with a front throttle valve (60) and a switch valve (61). A bypass pipe (65) for bypassing the expansion mechanism (50) is equipped with a bypass valve (66). These valves (60, 61 and 66) are controlled to attain a balance between the coolant circulation rate of the expansion mechanism (50) and the coolant circulation rate of a compression mechanism (40).

The invention relates to a schlemm tube stand with indication and push function, which belongs to the technological field of ophthalmic surgical stand. The schlemm tube stand with indication and push function comprises stand body, guide apparatus connecting with the stand body. The stand body is hollow tubular structure and is provided with a gap across to the top and the end. The stand body is provided with a notch, and the head end of the stand body is provided with a limited opening. The guide apparatus comprises a catheter, connector, fiber optic, and injection device. One end of the catheter is provided with a spacing groove and is connected with limited opening of the stand body through the spacing groove. The other end of the catheter is connected with the connector, and the connector is provided with two channels, one is an injection channels, and the other is an optical fiber channel. The optical fiber channel is connected with a laser generator, and the pipe is provided with an optical fiber. The schlemn tube stand used for expanding application of schlemn tube surgery can play the effect of Schlemm tube expansion for a long time. The presence of the optical fiber can indicate the position of the stand in the implantation process in real time, which brings great convenience to the operation, and the operation is simple.

The invention discloses a modified anti-cracking concrete expanding agent and a preparation method thereof. The expanding agent is prepared from the following raw materials in parts by weight: 10-20 parts of modified calcium oxide, 1-5 parts of calcium sulphoaluminate, 3-5 parts of fly ash, 10-20 parts of fluorgypsum, 5-15 parts of aluminum oxide, 5-15 parts of magnesite, 2-4 parts of calcium carbonate and 8-12 parts of modified expandable graphite. According to the invention, the calcium sulphoaluminate is modified through a composite modifier, then the calcium sulphoaluminate is compounded with the modified calcium oxide to prepare an expanding agent A, an expanding agent B is prepared from raw materials such as the magnesite, the fluorgypsum and the calcium carbonate, and finally, the expanding A, the expanding B and expandable graphite are ball-milled, screened, mixed and stirred to obtain the modified expanding agent, the expanding A, the expanding B and the expandable graphite have synergistic effect, and an expanding effect is achieved; and under the action of a stirrer, the stirring effect is improved, the production efficiency is also improved, a hardening phenomenon is avoided, the production cost is reduced, materials are uniformly mixed, and the product quality is improved.

The protective device for protecting the offshore floating platform. The protective device comprises the floating platform, wherein a threaded connecting opening is fixedly formed in the outer portion of the floating platform in a penetrating mode. The novel protection device is advantaged in that the novel protection device is provided with the anti-collision ring, the anti-collision ring is connected with the outer ring main body and is provided with the special buffer device, and the buffer device can prevent a ship from generating buffer thrust when the ship collides with the floating platform, so the collision force is dispersed; the floating platform is effectively prevented from being damaged greatly due to collision of ships, channels capable of allowing ships and the like to sail and pass through need to be arranged on the outer ring platform at certain intervals, and the height, the width, the draft and the like of the channels can be adjusted according to needs. The moving mechanism designed in the floating platform can control the floating platform to freely stretch out and draw back, so the function of freely adjusting the angle is achieved, functions of the floating platform are diversified, and the passing traffic of ships cannot be limited due to blocking of the arranged floating platform.

The invention belongs to the technical field of software testing, and particularly relates to a mobile terminal software testing system based on big data sharing, which comprises a server side, a management side and a user side, the server side runs on a cloud server and is connected with the management side and the user side through a network; the server side is used for storing to-be-tested software, user information and software test data; the management end runs on a PC and is used for entering the cloud server, uploading to-be-tested software, processing test data collected by the serverend, managing user data and processing a user request by remotely logging in and using a worker account; the user side runs on the mobile terminal, logs in the server side through the user side, downloads to-be-tested software to the local of a user and carries out installation and testing; and the test task publishing process is simple, the operation process and the test efficiency are high, meanwhile, the enthusiasm of testers is high, and the test result quality is good.

The invention discloses a cutting type balloon dilatation device. The cutting type balloon dilatation device comprises a balloon, a positioning support, a catheter, an inner tube and at least one blade. Due to the fact that the blade is arranged on the peripheral wall face of the balloon, when a hard guide wire arranged in the inner tube in the penetrating mode guides the cutting type balloon dilatation device to move towards a lesion position, even if a calcification area exists at an opening of the lesion position, the balloon slides and stretches into the opening, and the balloon does not touch the calcification area while not inflated; and then the balloon is inflated with gas, because the blade is arranged outside the balloon, before the balloon is filled with gas, the blade firstly encounters the calcification area, by moving or rotating the catheter, the calcification area is by the blade, so that the calcification area is reduced, and even if the balloon is filled with gas andthe balloon is in contact with the calcification area, the probability that the balloon moves forwards or backwards instantly along the calcification area is reduced, and then the probability that theadjacent organ tissue is damaged is reduced.

The invention relates to a branch vessel expanding double-balloon support provided with side holes. The branch vessel expanding double-balloon support comprises an expandable compression support and a double-balloon structure in the expandable compression support, and the double-balloon structure comprises a main branch balloon and a side branch balloon; the expandable compression support comprises two parts which are connected and different in outer diameter, and the two parts, different in outer diameter, of the expandable compression support are arranged in parallel and comprise the main vessel opening part and the main vessel and branch vessel opening part; in addition, the main branch balloon is longer than the side branch balloon and intersects with the side branch balloon, and the length of the side branch balloon stops at the starting position of the support with the smaller outer diameter; the side holes parallel to the long axis direction of the supports are formed in the outer diameter changing position, and the diameter of the side holes is slightly larger than the diameter of the side branch balloon catheter. Markers corresponding to the side holes in position are arranged at the far end of the side branch balloon. The balloon support can expand the main branch and side branch vessels at the same time and is convenient to use and easy to operate.

Improved methods and compositions for safe and effective treatment of telangiectasia or a symptom associated with telangiectasia in a subject are described. The methods involve topically applying to an affected skin area a topical composition comprising about 0.3% to about 10% by weight of brimonidine and a pharmaceutically acceptable carrier.

The invention discloses a modified polyacrylate flame-retardant emulsion, a modified polyacrylate flame-retardant pressure-sensitive adhesive containing the emulsion and a preparation method of the modified polyacrylate flame-retardant emulsion, and the preparation method of the modified polyacrylate flame-retardant emulsion comprises the following steps: firstly, mixing epoxy resin and acrylic acid mixed monomers, then adding an emulsifier solution for pre-emulsification to obtain a pre-emulsion, and then adding the pre-emulsion into a reaction kettle for reaction to obtain the modified polyacrylate flame-retardant pressure-sensitive adhesive. And dropwise adding an initiator solution into the pre-emulsion, and carrying out semi-continuous seed-initiated polymerization to obtain a seed emulsion, namely the modified polyacrylate flame-retardant emulsion. The modified polyacrylate emulsion has good fire resistance, and also has excellent cohesiveness, weather resistance and film-forming property of the polyacrylate emulsion. The main component of the pressure-sensitive adhesive is modified polyacrylate flame-retardant emulsion, melamine-ammonium polyphosphate-dipentaerythritol is supplemented as an intumescent flame-retardant system, and titanium dioxide, zinc oxide, graphene and diatomite are added to reduce the smoke amount and improve the strength of a carbon layer, so that the flame-retardant property of the pressure-sensitive adhesive is improved.

The invention discloses a pre-expander and a matching structure of the pre-expander and a vascular sheath device, the pre-expander comprises a pre-expanding tube and a second head arranged at the far end of the pre-expanding tube, the outer diameter of at least part of the second head is larger than the inner diameter of the far end of a head cap of the pre-expanding tube, and after the pre-expanding tube slides in place in a blood vessel, the pre-expanding tube of the pre-expander and the second head slide in the expanding tube, at least part of the second head penetrates through the far end of the head cap of the expanding tube, the head cap of the expanding tube is expanded in the radial direction, then the pre-expander is withdrawn from the expanding tube, and when the surgical instrument penetrates through the head cap of the expanding tube, radial acting force of the head cap on the surgical instrument is small, so that the surgical instrument penetrates through the head cap, and the head of the surgical instrument is protected.

The invention discloses a novel grouting agent, which comprises 10-20 parts of an expanding-water reducing compound, 15-30 parts of an expanding-retarding component and 5-7 parts of a retarder B. The expanding component in the expanding-water reducing compound is an expanding agent A, wherein the expanding-retarding component comprises an expanding agent B and a retarder A. According to the novel grouting agent provided by the invention, an expansion component and a water reducing component are combined to prepare an expansion-water reducing compound, so that the expansion effect of concrete in the early stage is improved; by combining the expansion component and the retarding component, the expansion and retarding effects in the later period of concrete hydration are improved; due to the two combination modes, all the components in the grouting agent can be matched with one another, and a greater effect can be achieved.

The invention provides a thin-wall aluminum pipe stretching and expanding connection forming device and a technology thereof. First springs on the two sides are connected and provided with an upper expanding connection plate and a lower expanding connection plate correspondingly; an upper lead screw and a lower lead screw are fixedly arranged at the two ends of a rotating rod correspondingly, the upper lead screw and the lower lead screw can be driven by a transmission device to rotate, push rods are fixedly arranged on nuts, clamping and embedding parts are fixedly arranged in clamping grooves, pull ropes are connected to the ends of the push rods, coating plates are connected to second springs, baffles are used for shielding the coating plates, and the ends, away from the push rods, of the pull ropes are fixed to the baffles; and a touch switch is arranged on a pull rod. According to the thin-wall aluminum pipe stretching and expanding connection forming device and the technology thereof, the expanding connection degree can be freely adjusted, sectional expanding connection is achieved, a thin-wall aluminum pipe is effectively protected, the thin-wall aluminum pipe can be smeared and marked after expanding connection, workpieces with expanding connection completed and workpieces with expanding connection not completed can be conveniently and rapidly distinguished, and use is convenient.

The invention discloses a suppository containing a high-elasticity-modulus viscose fiber and a preparation method thereof. The high-elasticity-modulus viscose fiber is processed and prepared from cotton fiber, rose fiber, silk and acetate fiber. A suppository expanding supporter containing the high-elasticity-modulus viscose fiber is prepared from the high-elasticity-modulus viscose fiber as a raw material. The high-elasticity-modulus viscose fiber is high in water absorption rate and is high in elasticity modulus. The expanding supporter is high in expanding coefficient and can be effectively expanded, which enables medicine to arrive lesion directly, thereby achieving a good curative effect. Meanwhile, the expanding supporter has a refreshing effect, which is beneficial for enhancing patient compliance. The preparation method is easy to carry out.

The invention relates to a carbon material low-temperature expansion method and a preparation method of low-temperature desulphurization and denitration agent for the same, in particular relates to a carbon material ultrasonic acid low-temperature expansion method and a method for preparing low-temperature desulphurization and denitration agent by means of ultrasonic activation by taking the carbon material as a carrier. The invention can be used for overcoming the defects in the existing technology, and provides an ultrasonic acidizing expansion method for expanding the carbon material quickly and efficiently under low temperature, and a quick, efficiency and energy-saving ultrasonic activation preparation method for preparing the low-temperature desulphurization and denitration agent by using the carbon material expanded by the method above. In the preparation method, one or mixture of hydrogen nitrate, sulfuric acid and hydrochloric acid with certain concentration is used as acid treatment agent, by assistance of ultrasonic waves, the carbon material, such as coke or half coke, is subjected to low-temperature acid treatment, after the porous carbon material is treated by acid treatment, vanadate catalyst is loaded on the carbon material, thus, a flue gas desulphurization and denitration agent is prepared. The product can effectively remove SO2 and NOx in the flue gas under low temperature.

The invention discloses a visual urethral dilation kit, which comprises a urethroscope, a guide wire, a balloon, a guide sheath, a balloon pressurizer, a urethral dilator and a pusher, wherein the balloon is provided with the guide wire; a channel allowing the guide wire to penetrate through is arranged in the urethroscope; the balloon pressurizer and the balloon with the guide wire jointly form a balloon dilator; the balloon pressurizer is connected to the rear end of the guide wire of the balloon and communicates with the balloon through a pressurizing hole in the guide wire; the diameter of the guide sheath is larger than that of the guide wire; the urethral dilator is in sleeving at the front end of the guide sheath; and the pusher is connected to the rear end of the guide sheath and has the same diameter with the guide sheath. According to the visual urethral dilation kit, the modes of balloon dilation and urethral dilator implantation are adopted, the visual technology is combined, and the purposes of accurately, effectively and continuously dilating the urethra and protecting the bladder and kidney functions are achieved.

The invention discloses a protective device for protecting a floating platform on the sea, which comprises a floating platform, and a threaded connection port is fixedly fixed on the outside of the floating platform. The beneficial effects of the present invention are: the new protective device is provided with an anti-collision ring, the anti-collision ring is connected with the main body of the outer ring and provided with a special buffer device, the buffer device can prevent the ship from colliding with the floating platform to generate a buffer thrust, so that the impact force Scattered processing effectively blocks the collision of ships and causes a large damage to the floating platform. The outer ring platform needs to be provided with a channel that can accommodate ships and other navigation at a certain distance, the height, width and draft of the channel, etc. It can be adjusted according to the needs. When ships and other sailing ships need to pass, the mobile mechanism designed inside the floating platform can control the floating platform to expand and contract freely, and then play the function of freely adjusting the angle, so that the functions of the floating platform are diversified. Can cause the passage traffic of ship to be restricted because of the buoyancy block of setting.

The invention relates to a device for expansion corrugated pipes. The device comprises a shell with an inner cavity, a plurality of expansion cones, a slide barrel and a first pressure keeping component. The expansion cones are peripherally arranged in the wall of the shell, the slide barrel is arranged in the inner cavity, the first pressure keeping component comprises a first throwing part and a bearing seat, and the bearing seat is arranged in the slide barrel through a first shearing part and used for hermetically receiving the first throwing part. After the first throwing part falls in the bearing seat, fluid in the inner cavity drives the slide barrel to move from an initial position to an expansion position and enables the expansion cones to move from the inner side to the outer side; after the pressure of the fluid is increased to a fixed value, the fluid prompts failure of the first shearing part to enable the first throwing part and the bearing seat to separate from the device jointly. The device for the expansion corrugated pipes has the advantages that fluid circulation in pipe columns and annular spaces can be realized, cooling effects of the expansion cones can be improved in an expansion process, fatigue damage extent of the expansion cones is decreased, and service lives of the expansion cones are prolonged.

The invention discloses an adjustable cervical vertebra operation gap expansion channel device which comprises an expander body composed of a first expansion assembly, a second expansion assembly and a control assembly; The control assembly is arranged on the side, close to the holding end, of the second long extension arm and clamped to the main adjusting arm to be used for controlling position adjustment between the first expansion arm and the second expansion arm. a gap blocking assembly which is detachably clamped on the first auxiliary adjusting arm and the second auxiliary adjusting arm between the first expansion assembly and the second expansion assembly. According to the adjustable cervical vertebra operation gap expansion channel device, by arranging the expander body and the gap blocking assembly, the size of the expansion channel can be adjusted, and the purpose of increasing the expansion range in a limited mode is achieved; meanwhile, the gap blocking assembly is arranged to make up gaps generated by expansion during expansion, and the integrity of the expansion channel is guaranteed; the surgical field is effectively exposed so that a surgeon can smoothly finish the surgery.

The invention relates to the technical field of non-vascular cavity guide wires, in particular to a biliary tract guide wire device with a cleaning and disinfecting function, which comprises a guide wire body, the guide wire body comprises a guide wire core, the outer side of the guide wire core is coated with an outer coating, the guide wire core is of a hollow structure, a partition frame is fixedly mounted in the guide wire core, and a soft head is arranged at the end of the guide wire body. A plurality of groups of liquid guide holes are uniformly formed in one side, close to the soft head, of the outer side of the guide wire body, and a plurality of groups of air guide holes are uniformly formed in one sides of the liquid guide holes of the outer side of the guide wire body. According to the invention, medical staff can well observe the position where the guide wire is led in; the guide wire can effectively expand the narrow and thin part in the biliary tract in the guide-in process, and convenience is provided for subsequent guide-in of an implanter, a catheter, an anti-reflux tube and the like; in addition, the biliary tract and the internal cavity of the patient can be well disinfected and cleaned in the guiding-in process of the guide wire, and the postoperative patient is better protected.

The invention discloses a novel gynecological operation auxiliary system. The novel gynecological operation auxiliary system comprises a uterus expanding module, a camera shooting module, surgical instruments and a software and hardware supporting module, wherein the uterus expanding module comprises a plurality of expanding wires, an inner tube, an outer sheath tube and a tee joint, the camera shooting module comprises a fixing frame, a camera and a cleaning spray nozzle, the software and hardware supporting module is used for displaying images in the operation process in the whole journey and used for information collection and file storage, the fixing frame is installed on the expanding wires of the uterus expanding module, the camera is connected with the software and hardware supporting module, and the surgical instruments penetrate through the inner tube and the tee joint to enter the uterine cavity. The novel gynecological operation auxiliary system systematically solves a series of problems of uterine cavity expansion, visual operations, information and file storage and the like in the gynecological operation.