9474results about How to "Reduce the difficulty of operation" patented technology

A device for use as a portal in percutaneous minimally invasive surgery performed within a patient's body cavity includes a first elongated hollow tube having a length adjusted with a self-contained mechanism. The first elongated tube includes an inner hollow tube and an outer hollow tube and the inner tube is adapted to slide within the outer tube thereby providing the self-contained length adjusting mechanism. This length-adjustment feature is advantageous for percutaneous access surgery in any body cavity. Two or more elongated tubes with adjustable lengths can be placed into two or more adjacent body cavities, respectively. Paths are opened within the tissue areas between the two or more body cavities, and are used to transfer devices and tools between the adjacent body cavities. This system of two or more elongated tubes with adjustable lengths is particularly advantageous in percutaneous minimally invasive spinal surgeries, and provides the benefits of minimizing long incisions, recovery time and post-operative complications.

The invention discloses an electric anastomat for a surgical department, comprising an osculating part and a driving device for driving an execution mechanism, wherein the osculating part is provided with a nail supporting seat, a nail bin and the execution mechanism; the driving device is an electric driving device which comprises a power supply, a control panel, a closed driving unit and a percussion driving unit; the closed driving unit consists of a closed motor and a closed driving mechanism; the input end of the closed driving mechanism is connected with the closed motor; the output end of the closed driving mechanism is connected with the execution mechanism of the osculating part; the percussion driving unit consists of a percussion motor and a percussion driving mechanism; the input end of the percussion driving mechanism is connected with the percussion motor; the output end of the percussion driving mechanism is connected with the execution mechanism of the osculating part; the closed motor and the percussion motor are respectively connected with the control panel through leads; and the control panel is connected with the power supply through a lead. According to the electric anastomat disclosed by the invention, the quality of an operation can be improved, the operation difficulty of doctors is reduced and the automatic operation can be realized.

A system and a method for providing minimally invasive access to the spine of a patient and implanting spinal stabilization devices. The system utilizes one or more post-type access devices. The post-type access device includes a cage with an aperture and two or more posts extending from the cage and being removably attached to the cage. The posts are supported at the top of the access device by a support ring structure. A pedicle screw is inserted into the access device and through the cage aperture and the screw-access device assembly is inserted into an opening of the patient's body. The base aperture is dimensioned to securely support the head of the screw. Side openings between the posts allow the insertion and placement of stabilization devices, such as rods, wires, or plates from almost any direction.

The invention relates to a titanium silicate molecular sieve catalyst and the preparation method and the application thereof. The catalyst comprises 25-65 percent of titanium silicate molecular sieve and 20-65 percent of nanometer alumina. The mechanical strength is 20-30N/cm<2>. Prepared by an extruded moulding method, the catalyst has the characteristics of high mechanical strength, high catalytic activity and selectivity, and the like, and is especially applied to catalyzing 3-chloropropene oxidation reaction to prepare epichlorohydrin.

The invention discloses a control method for a robot automatic spraying system. The control method of the robot automatic spraying system comprises the following steps of (1) acquiring feature data of a workpiece to be sprayed; (2) processing acquired data by using an image processing system; (3) automatically generating a track; (4) simulating; (5) controlling a user interface; (6) determining a spraying parameter; and (7) performing spraying. The control method of the robot automatic spraying system has the advantages of high automation degree, high machining precision, wide application range and the like. Different workpiece spraying tracks can be generated automatically, the operation difficulty of a user is reduced, the traditional manual programming on single different-model workpieces to be sprayed is replaced, consumed time on spraying is shortened, and the production efficiency is improved.

The invention discloses a method for producing light aromatic hydrocarbons and high-quality oil products from catalytically cracked diesel. The method comprises the following steps of 1, carrying out extraction of catalytically cracked diesel by an extraction solvent to obtain polycyclic aromatic hydrocarbon-rich extract oil and alkane-rich raffinate oil, 2, carrying out hydrofining and hydrocracking of the polycyclic aromatic hydrocarbon-rich extract oil under the hydrogenation reaction conditions to obtain light aromatic hydrocarbons and a high-octane number gasoline fraction. The method can realize production of light aromatic hydrocarbons, high-cetane number diesel and high-octane number gasoline.

The invention provides an unmanned aerial vehicle cruising and monitoring system for forest fire. The weight of the unmanned aerial vehicle is reduced, flight time is prolonged, an unmanned aerial vehicle cruising range is enlarged, route planning is carried out for fire monitoring, and an unmanned aerial vehicle flight control system is combined with a geographic information system. The route planning not only guarantees monitoring quality and monitoring full coverage but also considers the hardware parameters and the flight safety of the cruising unmanned aerial vehicle, a rotary head carries a thermal infrared imager and a colorful high-definition camera, the thermal infrared characteristics of the image of the forest fire are fully utilized, and an automatic monitoring and identification method for forest fire information is designed. Even if the forest fire monitoring distance of the unmanned aerial vehicle is long, fire characteristics can be accurately captured. A colorful high-definition image is compressed and transmitted back to a ground command post, a high-definition fire video image can be quickly transmitted to the ground, a fire position can be accurately reported, so that convenience is brought to the ground command post in accurately judging a fire situation and organizing people to fight the fire, and precious fire-fighting time is saved.

The invention relates to a method for automatic aiming of shooting games. The method is applied to a mobile terminal with a touch screen. The method comprises the following steps: when the mobile terminal is on a game interface and when it is detected that there is pressing operation on a touch screen, a virtual camera is driven according to control signals generated at the pressed position to rotate through a certain angle, and an auxiliary ring is formed at the position within the view field of the virtual camera corresponding to the pressed position; when part or all of a target is located in the auxiliary ring, a front sight of the virtual camera aims at a first position of the target; when it is detected that the mobile terminal shakes, the corresponding shaking angle is obtained through a sensor of the mobile terminal, so that the current rotating angle of the virtual camera is matched with the shaking angle, and accordingly the position of the front sight is adjusted. The invention further relates to a device for automatic aiming of shooting games. According to the method and device for automatic aiming of shooting games, the operation difficulty can be effectively reduced, and the aiming accuracy is improved.

The invention discloses a hill-starting assisting control method and a hill-starting assisting control device. The method comprises the following steps: judging whether a vehicle meets a hill-starting assisting control condition; if the vehicle meets the hill-starting assisting control condition, acquiring a gradient of the vehicle on a slope, and calculating a hill-starting assisting torque according to the gradient of the vehicle on the slope, wherein the hill-starting assisting torque is a motor output torque required for keeping the vehicle static; controlling a motor to output the hill-starting assisting torque, and starting to control the motor to output the motor output torque supplied by the accelerator pedal until the motor output torque supplied by an accelerator pedal is greater than or equal to the hill-starting assisting torque, so that safe starting of the vehicle on the slope is realized.

The invention provides an in-situ self-sustaining contaminated soil restoring device by simulating the capillary phenomenon and the transpiration function of a plant and a method for restoring soil by utilizing the device. The restoring device comprises the following members: a main body, filling materials, an evaporator and accessories, wherein the main body is a hollow pipe fitting which is tightly filled with the filling materials; the filling materials are supported by depending on the accessories; the evaporator is arranged at the top end of the main body pipe fitting; the accessories are mainly of supporting materials for mounting other members. The specification of the restoring device is selected and the distribution density and depth are selected according to soil contamination conditions, and then the restoring device is inserted into the soil, so that contaminants in the soil are driven to move by utilizing the capillarity phenomenon and the transpiration function of the restoring device so as to be transferred into the restoring device. Thus, the contaminants in the soil are effectively removed.

The invention discloses an image processing method and device, a terminal and a storage medium, and belongs to the technical field of terminals. The method comprises the steps of keeping on shooting afirst video after a shooting function is enabled; extracting m frames of images from the first video, wherein the m frames of images are images of a target object shot in different angles; obtainingrespective corresponding quality score of the m frames of the images, wherein the quality score is used for indicating image quality of the image; selecting and displaying n candidate images from them frames of images based on respective corresponding quality score of the m frames of the images, wherein the candidate images are images with the quality score higher than a preset threshold. N high-quality candidate images which include the target object are output automatically through the terminal, and the subsequent users can select images satisfies the prospection from the displayed n candidate images, so that users are avoided adjusting shooting parameters every time the users shoot images, and the operational difficulty in shooting high-quality images is reduced greatly.

The invention provides a stress measuring device with higher precision, which can measure the size, direction and distribution of the stress of optical glass. The stress measuring device of the optical glass comprises a communicated light path interferometer and a stander, wherein the stander comprises a frame and a plane scanning test platform arranged on the frame; and a laser receiving unit and a laser emitting unit of the communicated light path interferometer are arranged on the stander, and can synchronously move front and back, and up and down. The stress measuring device achieves the quantitive measurement of the stress size and the stress uniformity of the optical glass; in addition, the precision is greatly improved, the resolution reaches 0.01nm, and the size of the measurable optical glass is greatly widened. The stress measuring device can better measure the stress optical coefficient of the optical glass; and compared with the other polarized stress meter measuring devices with weight application, the measuring precisions of the pressure and the stress of load are obviously improved, and the measuring precision of the stress optical coefficient can reach 0.03*10<-12>/Pa.

The invention discloses an aluminium alloy twin-wire dipulse welding method and a welding power supply thereof. The specific method is as follows: carrying out low frequency modulation on pulse wave shapes on the basis of high frequency to obtain periodically varied pulse bursts; and carrying out efficient and superior welding on aluminium alloy through the active phase match of two branches of the pulse bursts. The welding power supply comprises IGBT soft switching main circuits which are integrated into a whole, a DSP control circuit and a man-machine interactive system. The invention puts forward realizing dipulse aluminum alloy welding on a twin-wire welding machine for the first time, realizes all digital control, directly generates eight branches of PWM signals by utilizing a software module, controls the two main circuits, and reduces the control problems caused by communication; and simultaneously, the two main circuits are concentrated on the same welding machine so that the overall structure is much smaller than the master-slave mode welding machine, in addition methods such as instantaneous energy control and the like are adopted to realize the fine control of dipulse.

The invention provides a lithium ion battery automatic dismantling device comprising a frame and a circulation carrier for transferring a waste battery; the frame bottom located at one side of the circulation carrier is successively fixedly provided with a cover plate recycling box, an electric core recycling box, and an outer shell recycling box; the bottom of the frame is successively fixedly provided with a cutting manipulator for annular cutting of a waste battery shell body and two outer shell clamping mechanisms for clamping and fixing the waste battery shell body along the running direction of the circulation carrier; the top of the frame is successively erected with a cover plate recycling mechanism for clamping a waste battery cover plate, an electric core taking-out mechanism for clamping a waste battery electric core, and an outer shell transfer mechanism for clamping the waste battery shell body along the running direction of the circulation carrier; the cover plate recycling mechanism and the electric core taking-out mechanism are respectively located at the top ends of the two outer shell clamping mechanisms; an electrode ear cutting mechanism for cutting a waste battery electrode ear is arranged between the cover plate recycling mechanism and the outer shell clamping mechanism. The automation degree is improved, the work efficiency is increased, and the intensity of work is reduced.

The invention discloses a method and a device for previewing object information. The method for previewing the object information comprises the following steps: obtaining the pressure signal of a current touch operation when a target object is detected to be touched; judging whether the voltage value of the pressure signal is greater than a first preset value; if yes, calling a suspension window to display preset previewing information of the target object; if not, carrying out an operational order for clicking the target object. The invention also discloses a device for previewing the object information. The operation difficulty of object browsing is reduced.

The invention provides a method and system for sharing network disk data. The method comprises the following steps: receiving the data sharing instruction of a sharing person, which includes to-be-shared information of the network disk data; generating an authorization link of the network disk data according to the data sharing instruction; receiving the sharing message including the authorization link and sent by the sharing person; verifying the authorization link; and granting a to-be-shared person the authorization of the network disk data corresponding to the related authorization link. The method and the system are used for generating the corresponding authorization link which is used for verifying the authorization according to the to-be-shared network disk data and sending the sharing message including the authorization link to the to-be-shared person. The method and the system actively realize the sharing of the network disk dada under the condition that the sharing person does not need to consider whether the to-be-shared person has a registered ID (Identification) or registers an ID at all, reduce the operation difficulty, and provide convenience for a user.

The invention discloses a separation method for producing light olefins from oxygenated chemicals. In the method, a product from a reactor for producing the light olefins from the oxygenated chemicals and/or a product generated from olefins catalytic cracking are mixed, and the mixture is treated by a series of pretreatment steps of heat recovery, compression, purification, cooling and the like and is separated into gas-phase hydrocarbon and liquid-phase hydrocarbon; the gas-phase hydrocarbon and the liquid-phase hydrocarbon respectively enter different column plates of a depropanizing column to be in (C3-)-(C4+) separation; after being subjected to further compressing and cooling, light components of C3 and below on the top of the depropanizing column enter the depropanizing column, and ethane is used as an absorbent on the top of the depropanizing column to enhance the recovery rate of the ethane; C2-C3 at the bottom of the depropanizing column enter a deethanizing column to separate C2 and C3; the C2 enters an ethylene rectifying column, ethylene is produced through side drawing, noncondensable gas on the top of the ethylene rectifying column returns to a compressor, after totally cooling, the ethane at the bottom of the column is recovered as an absorbent of a demethanizing column or partly as fuel gas; and C3 enters a propylene rectification tower, propylene is recovered on the tower top, and propane is recovered at the tower bottom, as an LPG (Liquid Petroleum Gas) byproduct. The invention has the advantages of high ethylene yield, low energy consumption, little investment and the like, and the byproduct can be effectively utilized.

The invention relates to a method for low-pressure processing of coal bed gas, comprising the steps of: introducing the coal bed gas into a hydration reactor from the bottom part of a hydration reactor so as to be contacted with hydrate working liquid in the hydration reactor, leading methane contained in the coal bed gas and water in the hydrate working liquid to generate hydration reaction to form a hydrate which is removed from the coal bed gas; meanwhile, the purified gas is obtained after the methane in the coal bed gas is removed; wherein the operation pressure of the hydration reactor is 0.11-0.85MPa, and the temperature is 3-18 DEG C. The formed hydrate can be further introduced into a hydrate decomposition device for decomposition, thereby obtaining the methane with high concentration. The invention simultaneously relates to a device for realizing the method for low-pressure processing of the coal bed gas. The invention can safely purify the oxygen-containing coal bed gas under lower pressure and remove the contained methane to be lower than 0.05 molar fraction, thereby reducing the emission of the methane, reducing the greenhouse effect and simultaneously avoiding the risk of explosion.

The invention discloses a method for preparing a false tooth support through a 3D printing laser stereo-lithography technology. According to the method for preparing the false tooth support through the 3D printing laser stereo-lithography technology, the individual false tooth support most suitable for a patient is printed through the 3D printing laser stereo-lithography technology; the comfort level and the service life of the false tooth support are ensured by means of a finite element technology; the operation difficulty of a physician is lowered; the manufacturing cost is reduced; the manufacturing period is shortened. The surface of the false tooth support is processed through an anodizing and/or electrochemical deposition method so that the surface of the false tooth support can have more excellent synosteosis features and biology activity, osteoblast growth and surface calcification are facilitated, and the satisfaction of the patient is improved. The method is suitable for the field of medical devices.

The invention relates to petrolatum spraying equipment for pipeline corrosion prevention. The petrolatum spraying equipment for pipeline corrosion prevention comprises a pipeline, a spraying device and a traction device, the spraying device comprises a coating barrel, walking mechanisms are arranged at the two ends of the outer side wall of the coating barrel, a stirring shaft is rotationally arranged in the coating barrel, a plurality of stirring paddles are arranged on the stirring shaft at intervals, one end of the stirring shaft extends out of the coating barrel and is in transmission connection with a driving motor, the other end of the stirring shaft extends out of the coating barrel and is fixedly connected with a hollow rotating shaft, a plurality of feeding holes are formed in theouter side wall of one end, close to the coating barrel, of the rotating shaft, sealing covers rotationally cover the outer part of the end, the sealing covers are fixedly arranged on the outer end walls of the corresponding coating barrels, the bottoms of the sealing covers communicate with the inner bottoms of the coating barrels through feeding pipes, the other end of the rotating shaft communicate with spraying discs, a plurality of sprayers are arranged on the spraying discs in the circumferential direction, a pressure control valves, a feeding pump and rotating discs are arranged on therotating shaft, and multiple sets of cleaning brushes are arranged on the rotating discs in the circumferential direction at intervals. Automatic cleaning and spraying operation of the pipeline can be achieved, and the spraying efficiency and the spraying quality can be greatly improved.