162results about How to "Split evenly" patented technology

A novel MMIC on-chip power-combined frequency multiplier device and a method of fabricating the same, comprising two or more multiplying structures integrated on a single chip, wherein each of the integrated multiplying structures are electrically identical and each of the multiplying structures include one input antenna (E-probe) for receiving an input signal in the millimeter-wave, submillimeter-wave or terahertz frequency range inputted on the chip, a stripline based input matching network electrically connecting the input antennas to two or more Schottky diodes in a balanced configuration, two or more Schottky diodes that are used as nonlinear semiconductor devices to generate harmonics out of the input signal and produce the multiplied output signal, stripline based output matching networks for transmitting the output signal from the Schottky diodes to an output antenna, and an output antenna (E-probe) for transmitting the output signal off the chip into the output waveguide transmission line.

A novel MMIC on-chip power-combined frequency multiplier device and a method of fabricating the same, comprising two or more multiplying structures integrated on a single chip, wherein each of the integrated multiplying structures are electrically identical and each of the multiplying structures include one input antenna (E-probe) for receiving an input signal in the millimeter-wave, submillimeter-wave or terahertz frequency range inputted on the chip, a stripline based input matching network electrically connecting the input antennas to two or more Schottky diodes in a balanced configuration, two or more Schottky diodes that are used as nonlinear semiconductor devices to generate harmonics out of the input signal and produce the multiplied output signal, stripline based output matching networks for transmitting the output signal from the Schottky diodes to an output antenna, and an output antenna (E-probe) for transmitting the output signal off the chip into the output waveguide transmission line.

The invention provides a division method and device of left ventricular myocardium. The method comprises the following steps of: (1) positioning a left ventricular central point, and acquiring a region of interest in an image at a layer where the left ventricular central point is located; (2) positioning a blood pool region in the region of interest in the image at the layer where the left ventricular central point is located according to grey scale information and the left ventricular central point; (3) determining a mass center of the blood pool region, determining blood pool regions in an original image in all layers except the layer where the left ventricular central point is located, thereby obtaining a division result of left ventricular endocardium; and (4) obtaining a division result of left ventricular adventitia by a dynamic planning method according to the division result of the left ventricular endocardium, and thus obtaining a division result of the left ventricular myocardium. By the technical scheme provided by the invention, the left ventricular myocardium can be fully, uniformly and stably divided.

A device for measuring the mass of a medium flowing in a line, especially the aspirated air mass on an internal combustion engine, comprising a flow tube, which is disposed in the line. A measuring element around which the flowing medium flows is disposed in the flow tube. The medium flows from the line into the flow tube at an inlet opening and out of the flow tube into the line at an outlet opening. An outlet end face of the flow tube surrounding the outlet opening has structural grooves, which extend with a radial directional component with respect to a longitudinal axis of the flow tube.

Polarization independent optical isolator / circulator devices based on Mach-Zehnder interferometers. The devices utilize either polarization splitting and nonreciprocal polarization conversion or nonreciprocal phase shift within the interferometric arm. For devices with nonreciprocal phase shift, the relative phase difference is 0° in the forward propagation direction and 180° in the backward propagation direction, or vice versa, so that light goes into a bar or cross port depending on the propagation direction. The devices have advantages over previous designs in the use of inexpensive device components, simple alignment, minimal space requirement, and negligible polarization mode dispersion or polarization dependent loss. In addition, the devices can be made in a waveguide form with minimal loss and with high fabrication ease. An additional phase compensator and / or a variable attenuator can be integrated in order to relax the fabrication tolerances.

The invention relates to a saloon car tyre surface and specially, relates to patterns of the saloon car tyre surface. The saloon car tyre surface comprises a centre pattern block, side pattern blocks and shoulder pattern blocks. The side pattern blocks and the shoulder pattern blocks are orderly and regularly arranged at left and right sides of the centre pattern block from inside to outside. The saloon car tyre surface is divided into left and right symmetrical parts by the centre pattern block. The centre pattern block is a vertical one-piece pattern block and is located in the center of the saloon car tyre surface. The centre pattern block is separated from the side pattern blocks through main vertical circle pattern channels located between the centre pattern block and the side pattern blocks. The side pattern blocks are separated from the shoulder pattern blocks through auxiliary vertical circle pattern channels located between the side pattern blocks and the shoulder pattern blocks. Adjacent two of the side pattern blocks are separated through an inclined side pattern channel and two ends of the inclined side pattern channel are respectively communicated with the main vertical circle pattern channel and the auxiliary vertical circle pattern channel. Adjacent two of the shoulder pattern blocks are separated through a shoulder pattern channel and the shoulder pattern channel is communicated with the auxiliary vertical circle pattern channel. The patterns of the saloon car tyre surface are mixed patterns and thus the saloon car tyre surface can produce an enough braking force and has good control performances and a beautiful appearance.

A multi-path split torque gearbox system provides a multiple of three stage torque split power gear trains modules that each transmits torque from a high-speed engine to a main rotor shaft (36). The first stage bevel gear arrangement (30,32) provides a compact packaging arrangement that facilitates various engine mounting locations in all axes. At the second stage, quill shaft assemblies (40) provide equal load balance. At the third stage, each quill shaft assembly includes a multiple of pinion gears (48) in meshing engagement with the final output gear (28). Each torque split modules transfer the power from the high speed input shaft into a multiple of meshing engagements with the final output gear to provide significant torque transfer desired in a single rotor heavy lift rotary wing aircraft embodiment within a compact housing package.

The invention discloses a projection method and back projection method for panoramic videos and pictures. The projection method comprises: a polyhedron is used for projection to a spherical surface and a spherical image is divided into a plurality of surfaces; with mapping transformation, a mapping relationship between each surface of the spherical image and each face of the polyhedron is established; and pixels of all surfaces of the spherical image are projected to the faces of the polyhedron in the mapping relationship. Besides, the back projection method includes: projection to a sphericalsurface is carried out by a polyhedral image and the spherical surface is divided into a plurality of surfaces; on the basis of mapping transformation, a mapping relationship between each surface ofthe polyhedral image and each face of the spherical surface is established; and pixels of all surfaces of the polyhedral image are projected to the surface of the spherical surfaces in the mapping relationship. According to the invention, on the basis of the panoramic image segmentation and polyhedral projection, pixel distribution becomes uniform, so that a problem of image quality reduction caused by panoramic image projection is solved.

The invention provides a solar system controlled by intelligent communication. The solar system comprises a water heater, a heat reservoir, a total pipe valve and a central controller, wherein the total pipe valve is arranged on a total pipeline at the upstream of the water heater and the heat reservoir; the central controller realizes data connection with the total pipe valve; a hot fluid sensoris arranged in the total pipeline at the upstream of the total pipe valve; the hot fluid sensor is used for detecting whether hot fluid flows through the total pipeline; and the central controller isused for controlling the opening and closing of the total pipe valve of the data detected by the hot fluid sensor. According to the solar system provided by the invention, the opening and closing is intelligently controlled according to the fluid so that the closed loop function is realized between the heat reservoir and the water heater according to actual condition; when no fluid exists, the water heater is heated by utilizing the heat stored by the hot fluid so as to meet the actual work requirements of the water heater, thus solar energy can be fully utilized, and waste of too much heat isprevented.

The invention relates to a cerebral cortex surface uniform segmentation method based on a spectral clustering algorithm. The cerebral cortex surface uniform segmentation method comprises the followingsteps: firstly, reconstructing a triangularized cerebral cortex surface for structural nuclear magnetic resonance imaging data by utilizing Freesurfer software; secondly, modeling the surface of thecortex into an undirected graph composed of vertexes and edges according to topological information of the surface of the cortex, and constructing a sparse similarity matrix between vertexes of the cortex; and finally, realizing uniform segmentation of the cerebral cortex by using a spectral clustering algorithm. The method is mainly suitable for uniform segmentation of the cerebral cortex surfacegenerated by Freesurfer reconstruction, and a cerebral cortex segmentation map is provided for structure and function analysis. The method has the advantages that different levels of understanding ofcerebral cortex can be realized by setting different clustering numbers and combining functional connection and structural connection analysis; a relatively uniform segmentation map can be generatedby utilizing a local topological relation between vertexes; and the method can be converged to a globally optimal solution in a sample space of any shape.

The invention belongs to the field of data communication and provides a line selection method for a router with a plurality of WAN interfaces, a system and a router thereof. The method comprises the following procedures: A. receiving the request signal accessing the Internet source from a Local Area Network user, wherein, the request signal carries the source IP address data information of the user; B. querying if the corresponding access record data of IP exists in the database according to the source IP address data information, wherein, the access record data contains the source IP address data of the user and the WAN visit interface data information which is used to access the Internet source before; C. When the corresponding access record data is found, the WAN visit interface in the access record is used as the visit interface of accessing the Internet source for the user at this time; if not, the WAN visit interface for the access request from the user is chosen according to the load balancing strategy.

The invention discloses fully dissolvable slips and belongs to the technical field of downhole tools, and is suitable for tool design needing deblocking anchoring structure such as a packer and a bridge plug. A preparation method of the fully dissolvable slips comprises coating a 0.5-1 mm thick nickel-based alloy thin layer which is high in wear resistance and coefficient of friction on a specially designed and processed water soluble magnesium aluminum alloy by means of a special process method. An application method of the fully dissolvable slips comprises the steps of matched with a slips cone and a slips back ring, in a tool sealing process, stretching the fully dissolvable slips uniformly and attaching the same to a bushing; and enabling the tool to be anchored to the bushing withoutmovement, and unblocking the tool automatically after the fully dissolvable slips is dissolved. Compared with conventional slips, the fully dissolvable slips does not damage the busing and is free ofimpurities in the bushing after being dissolved, so that follow-up construction is not affected and a construction flow is simplified.

The invention belongs to the field of agricultural machines and provides a garlic cleaving device. The garlic cleaving device comprises a feeding mechanism, a cleaving mechanism and a peel pressing mechanism. The feeding mechanism comprises a feeding hopper and a baffle conveying belt; the cleaving mechanism comprises a discharging hopper and a cleaving machine, the cleaving machine is located under the discharging hopper and provided with two sets of buffer rollers, each set of buffer rollers comprises upper buffer roller bodies, middle buffer roller bodies and lower buffer roller bodies, and the gap between the two sets of buffer rollers is decreased from top to bottom; the peel pressing mechanism is arranged below the cleaving mechanism and comprises a conveying belt, carrier rollers and a transfer hopper, and the carrier rollers are arranged on the conveying belt and provided with fluffy outer surfaces. The garlic cleaving device is provided with the cleaving machine, the two sets of buffer rollers serve as main bodies, and the device makes softened contact with garlic, the broken phenomenon is not likely to happen, the perfectness ratio of the garlic is greatly improved, the garlic is clove evenly, the cleaving effect is good, the cleaving mechanism is simple in structure, and the garlic cleaving device is convenient to maintain and clean.

The invention discloses an image significance detection method based on an improved graph model, and belongs to the technical field of computer vision and image detection. The image significance detection method comprises the following steps: segmenting an image into superpixels by adopting simple linear iterative clustering, constructing an undirected graph by taking the superpixels as vertexes,and extracting high-level features by utilizing image bottom-level features and priori knowledge on the basis of an improved graph model to obtain a saliency map based on the bottom-level features; selecting foreground and background seed nodes by utilizing high-level features and compactness of a significant object, and respectively calculating and fusing a foreground seed-based saliency map anda background seed-based saliency map; and finally, fusing the saliency maps obtained in the two stages to obtain a final saliency map. According to the image significance detection method, the salientobjects in the image can be completely detected and uniformly highlighted; the detection accuracy of the salient objects in the complex environment is improved; the design requirement of an actual engineering system is met; and the problem that the detection accuracy of the salient objects in the complex environment is low is solved.

The invention provides a power station boiler waste heat utilization system capable of intelligently controlling and utilizing waste heat. The system comprises an air preheater and a heat accumulator,the system further comprises a central controller. The central controller is in data connection with an air preheater valve and a heat accumulator valve, a third temperature sensor is arranged at theposition of a flue gas inlet of the air preheater, and the central controller automatically controls the valve opening of the air preheater valve and the valve opening of the heat accumulator valve according to the temperature detected by the third temperature sensor. Through the operation, when the temperature of flue gas is high and the generation requirement of preheated air is met, redundantheat is stored through the heat accumulator, and when the temperature of the flue gas is low, more flue gas can enter the air preheater to be used for preheating the air, so that the requirement of the preheated air is met, and meanwhile, energy is saved.

A system and methods for creating a mutually beneficial in-person professional networking opportunity through an in-person scheduled meeting with a user offering to perform a service within her professional capacity in exchange for a one-time fixed price to be paid by users seeking such service.When the network service offeror posts the meeting, the offeror indicates the specific network service, the timeline within which the service will be performed, and the conditions under which the service will be performed. A limit is placed on the maximum number of seekers that can book any meeting. The seeker decides the minimum number of bookings that must be placed before she is approved, charged a proportionate share of the cost and confirmed. At the end of the booking time, approved seekers are charged and confirmed. The network offeror and seekers receive final confirmation notice with details about the meeting.

The invention discloses a road detection method with image edge and region features integrated. The method comprises the following steps: S1, a color channel image is converted to a gray image, and histogram equalization and filtering preprocessing are carried out; S2, a self-defined difference operator and a region growing method are used for further segmenting the processed gray image, and edge and region features of the image are acquired respectively; and S3, in combination of region and edge segmentation complementary features, the two kinds of information are integrated to carry out image segmentation on a vehicle-mounted video obtained in a different condition, and road detection is realized. The method of the invention can acquire road segmentation with accurate and smooth edges and uniform regions, and has good real-time performance and robustness.

The invention relates to the technical field of automatic laying forming of composite materials, in particular to a split type wire harness supply device which aims to solve the problems that a mechanical arm of an existing wire laying machine is uneven in stress, poor in dynamic property, poor in interchangeability and low in dismounting and mounting efficiency and has collision interference. Therefore, the wire harness supply device is connected with a mechanical arm of a wire laying head, wherein the wire harness supply device comprises a base, and further comprises a plurality of single-section feeding assemblies, a wire combining ring plate and a steering wheel assembly which are connected with the base. The single-section feeding assemblies are annularly distributed around the base and are detachably connected with the base. The split type wire harness supply device solves the problems of collision interference, angle limitation and the like brought by the centralized arrangementof feeding devices on one side behind the wire laying head; and 360-degree maximum range rotation work can be realized.

The invention provides an intelligent communication controlled power station boiler waste heat utilization system which comprises an air preheater and a heat reservoir. The system comprises an upstream valve and a downstream valve. The upstream valve is arranged on an upstream flue of the air preheater and the heat reservoir, and the downstream valve is arranged on a downstream flue of the air preheater and the heat reservoir. The system also comprises a central controller which controls on-off of the upstream valve and the downstream valve according to data detected by a flue sensor. According to the system, on-off of the valves is controlled intelligently according to the flue gas flow, so that a closed loop circulating function between the heat reservoir and the air preheater is achieved according to the actual condition. Under the circumstance of no flue gas waste heat, the air preheater is heated by means of heat stored by the flue gas waste heat to meet the actual working demandof the air preheater, so that the flue gas waste heat can be utilized fully, and excessive heat waste is avoided.

The invention provides a power station boiler waste heat utilization system based on fume temperature communication control valve. The system comprises an air preheater and a heat storage device, a fourth temperature sensor is arranged in the flue upstream of an upstream valve, the fourth temperature sensor is used for detecting flue gas temperature in the flue, the fourth temperature sensor is indata connection with a central controller, and the central controller controls opening and closing of the upstream valve and a downstream valve based on the data detected by the fourth temperature sensor. Through the operation, when the flue gas temperature meets the requirement, excess heat can be stored in the heat storage device under the condition that the pre-heat generated by the air preheater meets the amount of air, in the absence of flue gas waste heat, the heat stored by the flue gas waste heat is utilized to heat the air preheater so as to meet the actual working requirements of the air preheater, therefore, the flue gas waste heat can be fully utilized, and the situation of excessive heat waste is avoided.

The invention provides a preparation method of spherical nano cerium dioxide. The preparation method comprises the following steps: respectively dissolving cerium salt and alkali in an organic solvent, then mixing the two solutions, and carrying out precipitation reaction; after the precipitation reaction is completed, adding a high-molecular polymer into a reaction system, and stirring to obtain a reaction mixture; carrying out high-speed shearing dispersion on the obtained reaction mixture at the temperature of 40-220 DEG C for 30 min-48 h, and continuously blowing oxidizing gas into the reaction system during the high-speed shearing dispersion; and centrifugally separating the obtained product to obtain a solid, washing and drying to obtain the spherical nano cerium dioxide. According to the method disclosed by the invention, the monodisperse spherical nano CeO2 with the particle size of 40 nm-200 nm can be prepared; meanwhile, the method disclosed by the invention has the characteristics of high process stability, high yield, high operability and the like, and is suitable for large-scale production.

The invention relates to a series of culture kits for regenerating hedychium coronarium hookeriana plants and an application thereof, and belongs to the field of plant tissue culture. The series of culture kits for the regenerating hedychium coronarium hookeriana plants comprises a seed germination culture medium, a callus induction culture medium, a callus proliferation culture medium and a callus redifferentiation culture medium. A hedychium coronarium hookeriana callus regenerating system is simple in operation steps, low in explant pollution rate, high in callus induction speed, high in regenerating efficiency, free of seedling strengthening and rooting steps and capable of achieving one-step seedling formation.

The invention relates to a loop heat pipe. The loop heat pipe comprises an evaporation part, a condensation part, a heat insulation part connecting the evaporation part and the condensation part, anda backflow part, wherein fluid absorbs heat and evaporates in the evaporation part, enters the condensation part through the heat insulation part, and condenses after heat exchange in the condensationpart, and the condensed fluid returns to an evaporation header through a backflow pipe. The loop heat pipe is characterized in that the evaporation part comprises a heat absorption pipe, the backflowpart comprises a condensation pipe, and the pipe diameter of the heat absorption pipe is larger than that of the condensation pipe. The loop heat pipe with the novel structure mainly increases the resistance of the condensation pipe and reduces the resistance of the evaporation part, so that steam can flow more easily from the evaporation part and the loop heat pipe can better form circulation.

The invention relates to a water bottle, in particular to a water bottle for taking medicine. The present invention adopts the following technical scheme: comprising a water bottle body and a bottle cap, the water bottle body and the bottle cap are flexibly connected by threads; Inlaid on the side of the water bottle body; heat insulation material is laid between the medicine box and the water bottle body, and there are four medicine boxes; the side of the bottle cap is provided with wedge-shaped protrusions, and the end of the wedge-shaped protrusions is provided with a rope hole; the top of the bottle cap Equipped with medicine cutting device. The invention has the advantages of: it is very convenient to remind people to take medicine when drinking water, or cooperate with the water in the water bottle to deliver medicine when taking medicine; The effect becomes worse; the wedge-shaped bump design of the bottle cap makes it easy to tighten or unscrew the bottle cap; the drug cutting device on the top of the bottle cap can evenly and conveniently cut the tablet in half.

The invention provides a steam heat exchanger. The steam heat exchanger comprises a header and a steam pipe; steady flow devices are arranged inside the steam pipe and are each of a sheet structure; the sheet structures are arranged on the cross section of the steam pipe; the steady flow devices are composed of square through holes and right octagon through holes; the length of each side of the square through holes is equal to the length of each side of the right octagon through holes; the four sides of each square through hole are the sides of four different right octagon through holes; and the four spaced sides of each right octagon through hole are the sides of four different square through holes. Compared with a steady flow device in the prior art, the steam heat exchanger with the steady flow structures further improves the steady flow effect, enhances heat transfer and is easy to manufacture.

The invention provides a steam heat exchanger capable of evenly distributing flow. The steam heat exchanger comprises an upper collecting box, a lower collecting box and heat exchange pipes arranged between the upper collecting box and the lower collecting box. A heat source in the heat exchange pipe is steam. The heat exchanger comprises an inlet pipe. The inlet pipe is arranged on the lower collecting box. Partition devices are arranged in the heat exchange pipes. Each partition device is of a sheet structure and is composed of square through holes and regular octagonal through holes. The side lengths of the square through holes in the different heat exchange pipes are different, and the longer the distances away from the inlet pipe are, the larger the side lengths of the square throughholes are. By changing the side lengths of the square through holes along with the distances away from the inlet pipe, fluid is made to flow into the heat exchange pipes which are small in flowing resistance and long in distances away from the inlet pipe, and therefore the fluid can be evenly distributed in the heat exchange pipes, the heat exchange efficiency is improved, and the service life isprolonged.