62results about How to "Guaranteed close" patented technology

The invention provides a tile paving method. The tile paving method comprises the following steps that the base surface is cleaned, and the perpendicularity and flatness of the base surface are detected; planning is carried out according to an area needed to be tiled, and the vertical and horizontal datum lines used for tile positioning are popped up; tiles are cleaned, and it is ensured that corners and the two surfaces of the tiles are free of oil fouling; the tiles are paved, the tiles are positioned using a leveling device, the tiles are leveled using the leveling device, and the tile seamwidth formed between every two adjacent tiles is 1.5-3 mm; after mortar is solidified, a flattening cover is removed, and pointing operation is carried out; and after the pointing is completed, a thin film is attached to the surface of the tiles after paving for conserving for 5-10 days. According to the tile paving method, dislocation phenomenon of the tiles is avoided during leveling, gaps between the tiles are controlled to be reasonable, and the beauty and practicability of the tiles after paving are enhanced.

The invention discloses a central air conditioner simulating system and a method based on the algorithm verification of a group intelligent building platform. The group intelligent building platform comprises m + n identical physical intelligent controllers. The m + n identical physical intelligent controllers are connected with the simulating server through a switching unit. The switching unit isused for communication between each intelligent node in the group intelligent building platform and the equipment module and between each building space in the simulating server and the equipment module. Performing simulation processing by the simulating server. The monitoring host is connected with the simulating server, and used for displaying the results of the simulating system and controlling the operating conditions of the simulating system. The central air conditioner simulating system based on the algorithm verification of the group intelligent building platform has the characteristics of high expandability, simple use and the like, and can visually realistically reflect the actual operating state of the non-central control system of the building equipment.

The invention discloses a liquid nitrogen refrigeration magnetic resonance imaging system. The system comprises a high-temperature superconductor main magnet capable of generating even magnetic fields in an imaging area, at least one low-temperature gradient coils capable of generating magnetic filed gradients in the imaging area, and at least one low-temperature radio frequency coil capable of receiving and transmitting radio frequency signals in the imaging area. The system comprises at least one of the following materials: non-superconducting materials and superconducting materials, wherein the non-superconducting materials and the superconducting materials have higher electrical conductivity than copper when cooled to the temperature of 77K. The main magnet, the gradient coils and the radio frequency coils of a preset system adopt low-temperature conducting materials, and the low-temperature conducting materials comprise high-temperature conducting materials, the high-temperature conducting materials are used for manufacturing coils of the main magnet, and therefore high current density can be produced in the coils, and power consumption can be saved; the high-temperature conducting main magnet is small and light and capable of operating under the temperature of 77K, and therefore refrigeration efficiency is improved greatly; and the gradients and the radio frequency coils are made of low-temperature conducting materials, resistance of the coils can be reduced, and coil efficiency can be improved.

The invention discloses a measuring method for the algae biomass in a biological soil crust, and relates to the field of biology. The method includes the steps of sampling of an algae crust sample, sieving, cleaning, algae cultivating, chlorophyll a and chlorophyll b measuring, standard curve drawing and algae biomass measuring (natural development). In the algae cultivating step, cultivating is carried out through BG11 cultivating media, and use algae are mixed algae. In the chlorophyll a and chlorophyll b measuring step, chlorophyll is extracted with a mixed solution method, wherein extracting solutions comprise absolute ethyl alcohol, acetone and water in the ratio of 4.5 to 4.5 to 1. The relationship between the gross of the chlorophyll a and the chlorophyll b of the algae and the algae biomass is regressed through a standard curve. Measuring of the natural developing algae biomass is converted through the standard curve between the gross of the chlorophyll a and the chlorophyll b and the cultivated algae biomass. Direct comparison between the algae crust and the vascular plant biomass is achieved, and a reliable approach is provided for more accurately calculating the productivity of the algae crust and the effect of the productivity in an ecological system.

The invention discloses a differential type temperature controller detection probe based on electrical eddy currents and a lift-off eliminating device and method thereof. The lift-off eliminating device comprises a PC, an MC9S12XS128 single chip microcomputer system, an RS232 level switching circuit, a prompt device, an input signal photoelectric isolation circuit, an output signal photoelectric isolation circuit, a motor, a motor full-bridge driving circuit, a lower amplitude limiting contact, an upper amplitude limiting contact, a first magnet, a second magnet, a lifting device, a fixing mechanism and the differential type temperature controller detection probe. The differential type temperature controller detection probe based on the electrical eddy currents is adopted to carry out non-destructive testing, an electromagnetic ultrasonic effect is utilized, any coupling media are not needed, the detection speed is high, and production efficiency, detection sensitivity and reliability are high; the lift-off eliminating device is increased, so the fact that the probe is close to a temperature controller is guaranteed, a lift-off effect is eliminated, and sensitivity and accuracy of an eddy current detection probe are further improved; PC configuration software is utilized, so the working condition of the device can be monitored.

The invention discloses a novel normal-pressure heat conducting oil furnace, and relates to a boiler. The novel normal-pressure heat conducting oil furnace comprises a furnace body, a heat conducting oil tank, a combustion chamber, a high-temperature oil pump, a combustor and a high-level oil tank; a first oil cavity is formed between the inner wall and the outer wall of the heat conducting oil tank; a hollow inner cavity of the combustion chamber is a flame combustion area; a second oil cavity is formed between the outer wall and the inner wall of the combustion chamber; the heat conducting oil tank surrounds the combustion chamber; a first flue for surrounding the combustion chamber is formed between the inner wall of the heat conducting oil tank and the outer wall of the combustion chamber; a second flue for surrounding the heat conducting oil tank is formed between the inner wall of the furnace body and the outer wall of the heat conducting oil tank; a smoke discharge port, an oil meter port, an exhaust port, a pressure adjusting port and an oil outlet are formed above the furnace body; the high-temperature oil pump is arranged in the oil outlet; and an oil return port communicated with the first oil cavity and a dirt discharge port are formed below the furnace body. The novel normal-pressure heat conducting oil furnace has the characteristics of normal pressure, high temperature, safety, high efficiency and energy conservation, can effectively remove water in heat conducting oil, and prevents steam from entering a circulating oil way to influence the heat efficiency of heat use equipment.

The invention provides a medical device and a fixing mechanism of medical equipment. The medical equipment can be conveniently located at a target position in the body through the fixing mechanism toachieve corresponding implantation or interventional treatment of the medical equipment, and accordingly, the medical effect is improved. The medical equipment can be a lead-free pacemaker, and physiological pace-making on the heart by the pacemaker is conveniently realized. The fixing mechanism comprises a base and fixing member, the extension direction of the base is parallel to that of a presetobject, and the fixing member is arranged on the outer wall of the base and extends around the base; one end of the fixing member is connected with the outer wall of the base, and a gap is formed between the other end of the fixing member and the outer wall of the base. During actual use, the base is stressed to rotate along the extension direction of the fixing member, and drives the fixing member to rotate together; during rotation, the fixing member is directly inserted into a tissue or a blood vessel wall parallel to the base, so that the medical equipment can be fixed into the atrium, the ventricle, the precava or other blood vessels, or fixed onto the interventricular septum or the interatrial septum.

The invention discloses a teaching device used for simulating ligation of an artery blood vessel of a human body, and belongs to the technical field of medical simulation teaching devices. The teaching device comprises a test bed, simulated blood vessels, a simulated blood storage tank and a pressurization device, wherein a cofferdam is arranged on the test bed; a plurality of simulated blood vessels are arranged in the cofferdam; the simulated blood vessels are connected with the simulated blood storage tank; and the pressurization device is connected with the simulated blood storage tank. The pressurization device is used for supplying stable pressure of a simulated human body to the simulated blood storage tank, so that the problem of a gravitational flow type device in the prior art that the bleeding pressure and the flow velocity change due to the increase of the amount of bleeding as the blood pressure and the blood flow velocity change with the height of a blood bag is solved, so that the simulation test teaching is closer to an actual situation, and an effect of simulation teaching is improved.

The invention discloses a vehicle-mounted charging device, which belongs to the technical field of charging and power supply. The vehicle-mounted charging device comprises a filter circuit, a rectifier circuit, a power factor compensation circuit, a DC / DC conversion circuit and a vehicle-mounted energy storage device, wherein the DC / DC conversion circuit comprises a switch circuit, a DC / DC control circuit connected with the control end of the switch circuit and a second feedback circuit connected with the output end of the switch circuit; the output end of the second feedback circuit is connected with the input end of the DC / DC control circuit; the switch circuit comprises a switch K2, an inductor L2 and a capacitor C2; the switch K2 and the inductor L2 are serially connected to serve as the output end of the switch circuit; and one end of the capacitor C2 is connected with the output end and the other end is grounded. Technical problems of large electromagnetic interference and much energy loss as the prior vehicle-mounted charging device commonly uses a transformer are solved, the switch circuit is adopted for outputting charging voltage, energy loss is low, and the charging efficiency is high.

The invention provides a frame display method and device in a game application program, a terminal and a storage medium, which relate to the technical field of computers. The method comprises the following steps of receiving a frame message in a first cooling period of a target skill, determining whether the first cooling period is finished or not according to the remaining time length and the frame interval time length of the first cooling period, in response to the end of the first cooling period, determining a compensation duration corresponding to the first cooling period according to theactual duration of the first cooling period and the rated cooling duration of the target skill, and displaying a skill release picture of the target skill in the next image frame in response to the frame message, and entering a second cooling period of the target skill. Compared with the prior art, the technical scheme provided by the embodiment of the invention has the advantages that the previous overflowing frame number can be supplemented when the skills are released each time by adopting a time length compensation mode, so that the actual frame number under acceleration can be close to the theoretical frame number, and the error between the actual frame number and the theoretical frame number is reduced.

The invention relates to the preparation field of small-sized fuel cell piece button batteries and provides a layering type button battery compressor. The layering type button battery compressor mainly structurally comprises a tablet press, a compression base and a vibration platform, wherein the compression base is formed by combining a high-pressure layer, a low-pressure layer and a base, isometric filling holes and central holes are symmetrically formed in each layer, a rotating shaft is arranged in the center of the base, and each layer is additionally connected through fixed rings; a pressure top cover is additionally mounted on the tablet press, and the tablet press is of a layering integrated structure and comprises a bearing disc, a fixed disc, a pressure-sharing bracket and a compression column; and the vibration platform is of an independent vibration supply structure. The layering type button battery compressor is easy and convenient to operate and high in compression efficiency, the influences caused by the non-uniformity of the surface of a reagent layer and the instability of an initial pressure to the battery performance are reduced, and the production success rate of a stabilized battery is increased.

The invention provides open type turbine blade test equipment. The open type turbine blade test equipment comprises a Laval nozzle, a fuel gas ejector and a workbench, the front end of the Laval nozzle is used for being connected with a gas outlet of a combustion chamber, and the rear end of the Laval nozzle is used for providing a gas testing environment for turbine blades to be tested right behind the Laval nozzle; the fuel gas ejector is used for being installed right behind the Laval nozzle, a turbine blade to be tested is arranged between the fuel gas ejector and the Laval nozzle, and fuel gas ejected by the Laval nozzle passes through the turbine blade to be tested and then enters the fuel gas ejector; a water cooling structure is arranged on the outer wall and / or in the wall of the fuel gas ejector, and a spraying device and an ejection fan are sequentially arranged in the fuel gas ejector from front to back in the fuel gas flowing direction; and a workbench is arranged below the turbine blade to be tested. On the basis of a gas heating device, an open type improvement scheme is provided, the real working environment of the turbine blade is simulated, and the problems of mechanical load loading, temperature field and thermal deformation testing of the turbine blade are solved.

The invention provides a portable and adjustable beach and shoal dual-purpose metal detector, and belongs to the technical field of inductance heating furnace cable wiring. The portable and adjustablebeach and shoal dual-purpose metal detector comprises a main rod; an arm support is fixedly installed at the top of the main rod; an extension rod is installed in the main rod in a sliding mode; a limiting rod is arranged at the bottom end in the main rod; and one end of the limiting rod extends out of the main rod and is fixedly provided with a drawing block. According to the portable and adjustable beach and shoal dual-purpose metal detector, the arm support, a hand support and a detection disc main body angle adjusting mechanism are arranged, so that the portable and adjustable beach and shoal dual-purpose metal detector is convenient to hold and carry by a user in actual use, and the use angle of a detection disc main body is more convenient to adjust by the user; and with structuressuch as a suspension air bag and an extension rod adopted, the whole device is convenient to use on the ground and can also be conveniently used at a shoal.

The invention discloses a soft-shelled turtle feed capable of enhancing disease resistance and a preparation method thereof. The feed disclosed by the invention is prepared form the following raw materials in parts by weight: 35-45 parts of white fish meal, 15-20 parts of chicken blood meal, 12-18 parts of corn flour, 5-10 parts of soybean straw powder, 4-7 parts of monosodium glutamate protein, 3-5 parts of sleeve-fish visceral meal, 2-3 parts of rhizoma zingiberis powder, 1.5-2.5 parts of soya bean lecithin, 2-3 parts of aloe dry powder, 3.5-4.5 parts of bamboo insect meal, 1-2 parts of angelica keiskei, 2-3 parts of houttuynia cordata, 1.5-2.5 parts of grape skins, 1-2 parts of schizandra fruit, 2-3 parts of codonopsis pilosula, 1-2 parts of dandelion, 2-3 parts of Echinacea and 1-2 parts of a premix. The feed disclosed by the invention is rich in nutrition, high in palatability and good in digestive absorption property, is capable of improving the appetite of soft-shelled turtles, ensuring the high growth speed after being eaten by the soft-shelled turtles, improving the immunologic function of the soft-shelled turtles, enhancing the disease resistance of the soft-shelled turtles, increasing the survival rate of the soft-shelled turtles and reducing the breeding cost, is free from the need of adding antibiotic medicines, enables the meat quality of the soft-shelled turtles to be approximate to that of wide soft-shelled turtles, is free from medicine residue and pollution and is safe, and the feed coefficient is reduced.

The invention belongs to the field of wrapping and sticking machines and particularly relates to a sponge wrapping and sticking machine utilizing a mechanical device to process automobile wire harnesses. The sponge wrapping and sticking machine utilizing the mechanical device to process the automobile wire harnesses comprises two clamping devices, a folding and sticking mechanism, a lifting device and a pushing mechanism, wherein the lifting device drives the pushing mechanism to move vertically, the folding and sticking mechanism comprises a pair of foldable supporting plates, the pushing mechanism drives the supporting plates to rotate relatively, and the two clamping devices are arranged on two sides of the folding and sticking mechanism and are located on a central line of the folding and sticking mechanism. The problem that difficult quality guarantee and non-standardized technologies existing in manual operation and the problem of low production efficiency can be solved by adopting the sponge wrapping and sticking machine utilizing the mechanical device to process the automobile wire harnesses.

Provided is a condensed water sampling method and device for condenser leakage detection. According to structural features of different power plant condensers, condensed water of water chambers are pumped out of a condenser by arranging special samplers in water chamber heat wells of the condenser and adopting vacuum sampling water pumps, representative water samples are provided for condenser leakage detection to facilitate rapid and accurate diagnosis of water chamber leakage, and an accurate and reliable decision-making basis is provided for non-shutdown disposal of condenser leakage during operation of a power plant. The method and the device have the advantages of strong representativeness and high reliability and are suitable for condensed water sampling during leakage detection in operation of heat exchange tubes of condensers of seawater and fresh water cooling power plants.

A motion trajectory planning method for a robotic arm servo-rolling a satellite docking ring, and relates to the field of trajectory planning. The invention is to solve the problem that the track of the end of the manipulator arm drifts on the docking ring during the tracking process because the existing manipulator servo planning technology is applied to the failed satellite because the capture point of the docking ring of the failed satellite cannot be locked. The invention includes: acquiring the pose matrix of the robot arm base system relative to the end tool system e T b ; Obtain the pose matrix of the docking ring capture point coordinate system relative to the end tool system e T g ;use e T b The attitude information of the base system of the robot arm in the middle, and the end tool system is used as the reference coordinate system to reconstruct e T g , obtain the pose information [d_, γ_] of the reconstructed docking ring capture point coordinate system relative to the end tool system; plan the desired path at the end of the manipulator based on the trigonometric function, so that [d_, γ_] converges within the preset time to within the capture tolerance; use the desired path at the end of the manipulator to obtain the subdivision joint trajectory of the manipulator. The invention is used for planning the motion track of the mechanical arm servo docking ring.

The invention discloses a steel dam bottom shaft side water stop structure in the field of steel dam sealing water stop devices. The structure comprises a connection plate I and a connection plate II, wherein the connection plate I can be fixed on a gate wall; the connection plate II can be fixed on a chain plate component; a positioning plate is fixedly arranged on the connection plate I; a first fixing member is fixedly arranged vertical to the positioning plate; the first fixing member is connected with one end of a right-angled bend; a second fixing member is arranged on the side surface of the other end of the right-angled bend; a guide plate is mounted on the second fixing member; a support shaft is fixedly arranged on the connection plate II; a roller is mounted on the support shaft and leans on the guide plate; and the axis of the support shaft is parallel to the surface of the gate wall. When the structure is in use, the connection plate I is fixed on the gate wall, and the connection plate II is fixed on the chain plate component; when a gate flap is erected, the chain plate component drives the roller to lean on the guide plate; under the blockage of the guide plate, a soft rubber belt connected with a chain plate always leans on the gate wall to keep sealing; and a device is matched with the foldable steel dam bottom shaft water stop structure for use, so that the water stop sealing effect is further improved.

The invention belongs to the technical field of medical images, and particularly relates to a CT image reconstruction method based on a non-cylindrical detector and a CT scanner. The CT image reconstruction method comprises the following steps: S1, converting non-cylindrical data acquired by a non-cylindrical detector into cylindrical data corresponding to the cylindrical detector by adopting a data interpolation method; S2, performing CT image reconstruction according to the cylindrical data corresponding to the cylindrical coordinate system. According to the CT image reconstruction method, for the non-cylindrical detector, the data interpolation method is adopted to convert the non-cylindrical data collected by the non-cylindrical detector into the cylindrical data corresponding to the cylindrical detector, and it can be guaranteed that the obtained sampling points are close to the sampling points of the non-cylindrical detector as much as possible; and the loss of spatial resolution and the increase of aliasing artifacts are reduced.

The invention belongs to the technical field of machining, and particularly relates to a columnar workpiece paint spraying device for machining. By aiming at the problems that when an existing paint spraying device sprays paint to a columnar workpiece, paint spraying is insufficient, and operation is inconvenient, the following scheme is provided, wherein the columnar workpiece paint spraying device comprises a first annular supporting plate and a second annular supporting plate, the outer wall of one side of the top of the first annular supporting plate is connected with an arc-shaped grooveplate through bolts, the outer wall of the top of the arc-shaped groove plate is connected with the outer wall of one side of the bottom of the second annular supporting plate through bolts, and the outer wall of the bottom of one side of the arc-shaped groove plate is connected with a discharging pipe through bolts. In the columnar workpiece paint spraying device for machining, the arc-shaped groove plate is arranged, the discharging pipe is arranged on the arc-shaped groove plate, and therefore when the device is horizontally placed, leaked paint can be recycled through the discharging groove plate and discharged from the discharging pipe, cleaning convenience of the device is guaranteed, and meanwhile paint can be recycled.

The invention relates to the field of optimization processing, and particularly relates to an optimization method and system for power consumption of video playing. The optimization method comprises the steps of acquiring a first resolution of a frame image in a video to be played and a display resolution of a display terminal; if the first resolution is less than the display resolution of the display terminal, increasing the pixel value of each pixel of the video to be played by a preset threshold, and expanding the first resolution of the video to be played by adopting a mode of filling black pixels in a staggered row and staggered column mode. According to the invention, the first resolution of the video to be played is expanded by adopting the mode of filling black pixels in a staggered row and staggered column mode to replace a different algorithm mode in the prior art, so that the power consumption of a low-resolution video played on high-resolution equipment is reduced. In addition, brightening is realized through increasing the pixel value of each pixel of the video to be played by the preset threshold, so that the loss in image quality brought about by the black pixels is compensated, and the power consumption of video playing is reduced under the condition of ensuring the image quality to approach to the original image quality.