138 results about "Mutual transformation" patented technology

The invention provides a composite transformation mobile robot combining an elastic foot and a wheel type motion mechanism, which comprises a space machine body frame unit of a foot-wheel composite mobile transformation robot, driving wheel drive units, driven wheel driven units, four modular leg units, a control sensing system unit, a hermetical casing and a power source. The robot used elastic foot replaces the traditional rigid foot to increase the kinetic stability of the robot and reduce the vibratility and impact force of the robot, and is combined with a wheel type moving method, so that the quick mobility and high efficiency of the wheel type movement on a flat ground can be guaranteed, and the excellent maneuverability and strong obstacle crossing function of the foot type moving, creeping and climbing motion under complex terrains such as complex mountain environment and city terrain can be taken into account; as the foot type composite transformation mobile robot adopts modular design, the foot and wheel cannot interfere each other, the maintenance and replacement are convenient, and the motion pattern is flexible and variable; and the athletic ability of the robot is improved in virtue of the mutual transformation, coordination and combination of the foot type motion and the wheel type motion.

The invention discloses a robust speech characteristic extraction method based on sparse decomposition and reconfiguration, relating to a robust speech characteristic extraction method with sparse decomposition and reconfiguration. The robust speech characteristic extraction method solves the problems that 1, the selection of an atomic dictionary has higher the time complexity and is difficult tomeet the sparsity after signal projection; 2, the sparse decomposition of signals has less consideration for time relativity of speech signals and noise signals; and 3, the signal reconfiguration ignores the prior probability of atoms and mutual transformation of all the atoms. The robust speech characteristic extraction method comprises the following detailed steps of: step 1, preprocessing; step 2, conducting discrete Fourier transform and solving a power spectrum; step 3, training and storing the atom dictionary; step 4, conducting sparse decomposition; step 5, reconfiguring the speech spectrum; step 6, adding a Mel triangular filter and taking the logarithm; and step 7, obtaining sparse splicing of Mel cepstrum coefficients and a Mel cepstrum to form the robust characteristic. The robust speech characteristic extraction method is used for the fields of multimedia information processing.

The invention discloses a method and a system for design rule checking of an integrated circuit layout. A layout graph is abstracted to be represented by polygon data defined by a series of horizontal borders, a polygon feature extraction method, a logical operation method among polygons and a method for enumeration and traverse operation of polygon connected regions and border edges are defined and achieved, and design rules are checked and marked on the basis. Data structure mutual transformation among interconnected rectangulars and layout polygons can be performed, the method for polygon operation and the enumeration and traverse operation of the polygon border edges is defined and achieved, and the design rules are checked on the basis. According to the method for the design rule checking of the integrated circuit layout, graph regions violating the design rules in the layout are also marked heuristically so as to enable local regions to be split and rerouted by automatic routing tools or designers to perform fine adjustment to the layout.

The invention provides a parallel mechanism which can realize mutual transformation of three-dimensional translational motion and three-dimensional rotation. The invention includes a moving platform, a fixed platform and a plurality of branched chains arranged between the moving platform and the fixed platform and is characterized in that the invention includes four branched chains, wherein, one branched chain is a strut with the top end fixedly connected with the moving platform and the other end is connected with the fixed platform by a ball hinge; the rest three branched chain all includes a telescopic lever, the two ends of which are respectively connected with the moving platform and the fixed platform by the ball hinges. The invention can realize the mutual transformation of the three-dimensional translational motion and the three-dimensional rotation, the corresponding three-dimensional rotation output can be obtained at one end of the moving platform just by inputting the displacement of the telescopic lever; the corresponding displacement output can be obtained at three telescopic levers just by inputting the displacement of the three-dimensional rotation of the moving platform.

The present invention discloses a porphyrin derivative with large substituent and its pharmaceutical acceptable salt and its preparation method. The described porphyrin derivative is M-5,10,15,20-tetra[(N)-substituted-n-phenyl or heterocyclic radical] porphyrin, in which n represents 2,3 and 4 postion substitution, and M is one of Fe, Mn, Co, Ni, Cu Zn, Sn, Cr and V metal ions. Said invented porphyrin derivative has higher steric hindrance, and can effectively resist the combination of porphyrin with DNA, and can reduce the mutual transformation between the different isomers, reduce toxicity of porphyrin and raise its medicinal practicability. The described porphyrin derivative can be used as small molecular antioxidant for regulating concentration of peroxide between cells of human body or in cell.

The invention discloses a fluidization calcium-based thermal-chemical high temperature energy storing / releasing system and a working method thereof. The system is characterized in that the storing and releasing of energy are performed by means of a calcium-based thermal-chemical high-temperature reversible reaction through mutual transformation among solar energy, thermal energy and chemical energy. The system mainly comprises an energy input unit, an energy storing unit and an energy output unit. During storing of energy, calcium hydroxide is subjected to an endothermic decomposition reaction under a fluidization condition, and absorbed energy is stored in calcium oxide as a reaction product in a chemical energy form; during releasing of the energy, the calcium oxide and water vapor are subjected to an exothermic reaction under the fluidization condition, and released heat heats water to generate high-temperature high-pressure steam, so that a steam turbine is driven to generate power. The fluidization calcium-based thermal-chemical high temperature energy storing / releasing system has the characteristics of high unit mass energy-storing density, high energy quality, low energy-storing lost, no pollution and the like, can be modularly combined according to energy-storing capacity, and can be applied to fields such as large-scale solar thermal generation and peak-load regulation.

An infinite-level sectional reconstruction sliding sleeve device triggered by machinery or the hydraulic pressure comprises a cylinder body formed by an upper joint, a shell and a lower joint which are connected in sequence, an elastic sleeve, an inner sliding sleeve, a variable-diameter ball seat and a ball seat deformation mechanism, wherein the elastic sleeve is located in the upper joint and can selectively pass through or support the fracture ball through scaling, the inner sliding sleeve is located at the bottom of the elastic sleeve, the variable-diameter ball seat is located at the bottom of the inner sliding sleeve and supports or releases the fracture ball through elastic claws, and the ball seat deformation mechanism is connected with the variable-diameter ball seat and drives the variable-diameter ball seat to realize mutual transformation between an open-type ball seat and a closed-type ball seat. Through the arrangement of the elastic sleeve and the variable-diameter ball seat and the improvement of the surrounding components, a multi-level sliding sleeve can be opened by adoption of a low-density fracture ball with the same dimension in a full-pore mode, the fine reconstruction of the reservoir can be realized, and a barrier-free passage can be provided for later workover treatment.

The invention belongs to the field of rare earth wet metallurgy and industrial chemistry, and relates to a clean production technology for roasting rare earth concentration to leach rare earth by the sulphate method. Aiming at the prior roasting production technology by the sulphate method taking Baotou rare earth concentration as raw materials, the technological process of the clean production technology realizes direct transformation production from sulphate to carbonate by the transformation technology of double decomposition reaction in chemical process and according to the principle of mutual transformation between solid substances with different solubility products. Non-rare-earth compounds (such as ammonium sulphate and ammonium carbonate) and the like are fully recovered with low cost; simultaneously, water can be fully recycled and used; the intermediate impurity removing technology is adopted to recover non-rare-earth substances such as Ca from rare earth ore. Therefore, the purpose of full-recycling and clean production in rare earth leaching process by the sulphate roasting method is realized. The technology has the advantages that the production process of rare earth ore sulphate method fully recovers rare earth elements and valuable elements from mineral products with lower cost, and clean production without sewage emission is realized.

The invention discloses an embedded type telecommunication value-added service gateway, particularly comprising: (1) a communication interface module which is used for accomplishing information communication with various protocol gateways and providing a standard input for a core processing layer; (2) an access control module which is used for validating and controlling the legality of an accessed subscriber and controlling the access process of the subscriber; (3) a core processing module which is used for accomplishing mutual transformation of a specified application data format and a standard data format; (4) a system configuration management module which is used for managing a service in all portals providing an information value added service in mobile communication industry; (5) an application program interface module which is used for providing an interface for a back-end specified business application program and being responsible for a data communication process between two parties. The embedded type telecommunication value-added service gateway can be used as a data channel realizing message instant sending, support the access with various networks, realize a unified data access interface with various access modes such as SMS , WAP and MMS, and provide the unified access mode in the interface for a value added service provider.

A method for extracting depth domain seismic wavelet from depth domain seismic data by using a ridge regression method is realized in the invention. The method for extracting depth domain seismic wavelet from depth domain seismic data comprises the steps of (1) obtaining depth, speed and density information from the log data of a well, and calculating a corresponding reflection coefficient r, (2) extracting a well side seismic channel set s of the well from prestack depth migration seismic data, selecting a constant velocity vc as a standard speed, and carrying out the conversion of speed and depth parameters on the selected well side seismic channel set s such that the well side seismic channel set s is in accordance with a linear time invariant condition to obtain a transformed well side seismic channel set s', (3) mapping the reflection coefficient r to a transformed depth position to be r', and (4) selecting a suitable ridge parameter alpha, and using the ridge regression method to extract seismic wavelet. According to the method of the invention, the depth domain seismic data is directly used to extract the depth domain seismic wavelet, the precision of the extracted depth domain seismic wavelet is high, the mutual transformation from a time domain to a depth domain and from the depth domain to the time domain of the depth domain seismic data is not needed.

The invention discloses a downgoing data transmission method and belongs to the field of the ultra-third-generation mobile communication. The method is used to promote the spectrum effect and the resource utilization rate of the B3G MBMS system. The method comprises that a network side monitoring is used to carry the time protection interval which is required by the mutual transformation of the upgoing and the downgoing link in the data frame of the specific downgoing carrier broadcast multicasting service, and the downgoing data is transmitted to the user based on the time protection interval monitored. Correspondingly, the invention also discloses a transmission device of the downgoing data.

The hydrodynamics of a seagoing vessel are numerically modeled through the present invention's new calculative methodology, which uniquely combines vessel boundary characteristics and pseudo-spectral environmental characteristics. Solutions are obtained through mutual transformations between the vessel boundary's irregular grid and the environment's regular pseudo-spectral grid. The pressure at the vessel boundary, an important component of the vessel boundary itself, can be determined via either (i) finite element analysis (which has a Cartesian framework) or (ii) the present invention's new vessel normal vector analysis (which has a non-Cartesian framework); the latter approach avoids the singularity problem that generally besets hydrodynamics-related mathematics. Typical inventive practice implements a computer processing unit and succeeds in finding superior solutions in shorter CPU durations.

The invention provides a method and device for simulating a petroleum molecular level separation process. The method comprises the following steps: (1) formulating a molecular library comprising full-distillation subsection molecules of a petroleum sample and predicating properties of the molecules in the molecular library; (2) calculating and optimizing the content of the molecules in the molecular library and establishing a composition model capable of representing molecule composition of the petroleum sample; (3) dividing a molecule group of the petroleum sample in the composition model into a plurality of virtual components according to properties of the molecules for forming the petroleum sample in a separation process; preserving a mutual transformation mapping rule; (4) calculatingproperties of the virtual components according to the molecule composition of the virtual components; taking each virtual component as a pure component to carry out thermodynamic calculation; (5) reversely deducting the mapping rule to obtain the molecule composition of a separation product in the separation process. According to the method and the device, provided by the invention, molecular level information of the petroleum sample and fractions thereof can be provided and real behaviors of the molecules are described in a flow simulation calculation process.

The invention discloses a double-waveform negative Poisson's ratio structure based on a dielectric electroactive polymer, and the structure consists of a double-waveform negative Poisson's ratio cell array. The cell array consists of waveform muscle tendons (101-105) and bones (106-110). Each muscle tendon is made of the dielectric electroactive polymer, and is of a sandwich board structure which is made of a dielectric elastomer, wherein two sides of the sandwich board structure are respectively provided with a flexible electrode. The Young modulus of the bones is greater than the Young modulus of the tendons. The flexible electrodes on the upper and lower surfaces of the tendons are respectively connected with the positive and negative electrodes of a high-voltage DC power supply 111, and the voltage and on and open-circuit states can be adjusted. The double-waveform negative Poisson's ratio cells are arranged in an array, thereby forming a double-waveform negative Poisson's ratio structure. Because the mechanical state and static state of the dielectric electroactive polymer are coupled mutually, the structure can achieve the mutual transformation between the mechanical energy and electric energy, and achieves the real-time transformation, actuation, energy recycling and sensing.

The invention provides a wheel adjusting device and a four-direction carrying vehicle, and relates to the technical field of conveying equipment in warehouse logistics systems. The technical problem that when the carrying vehicle turns between a cargo loading and unloading tunnel and a storage rack tunnel mutually, due to mutual transformation of a lifting wheel and a fixing wheel, a square chassis and cargos arranged in the square chassis need to be moved up and down, and therefore larger driving force is needed for the carrying vehicle is solved. The wheel adjusting device comprises a guideplate and a height driving mechanism, the guide plate is installed on the inner side of a side plate of the four-direction carrying vehicle and fixedly connected with the side plate, the outer side ofthe side plate is provided with a wheel assembly and fixedly connected with the wheel assembly, and the four-direction carrying vehicle comprises the wheel adjusting device. The wheel assembly is independently driven to ascend and descend, overall up-down movement of the square chassis is not caused, the burden on the driving mechanism is reduced, and the production and operation cost is reduced.

The invention relates to a near infrared fluorescence probe capable of simultaneously detecting hydrogen peroxide and peroxynitrite anoin as well as a synthetic method and application thereof. The near infrared fluorescence probe is formed by binding near infrared cyanine fluorescent dyes, a mitochondrial targeted group triphenylphosphonium salt and diselenium constitutional units by virtue of chemical covalent bonds. An excitation-emission wavelength is in a near infrared region, the detection sensitivity of the method can be improved, and the detection limit of the testing method is reduced.The near infrared fluorescence probe is expected to realize differentiated simultaneous quantitative determination of H2O2 and ONOO- in cells, and has a certain theoretical significance for dynamically observing and researching production, metabolism and mutual transformation of reactive oxide species in living mitochondria as well as process pathways and mechanisms that dynamically damage livingorganisms. Moreover, a useful tool is provided for detecting indexes in aspects of cell functions including cell activity, cytotoxicity, cell apoptosis, cell membrane potential, cell cycle and the like.

The invention relates to the field of virtual reality, in particular to a method and a system for obtaining the image distortion rule of virtual reality equipment, and terminal equipment, and is used for mutual transformation between the normal image and the distortion image of the virtual reality equipment. The method for obtaining the image distortion rule of the virtual reality equipment comprises the following steps that: obtaining the Cartesian coordinate of the randomly-selected point of the normal image and the Cartesian coordinate of the corresponding point of the distortion image; through a spherical model, transforming the Cartesian coordinates into polar coordinates; and according to values obtained before and after a radius vector in each polar coordinate is subjected to distortion, obtaining the curvature radius of the spherical model. By use of the method, through the calculation of the picture twisting law of the corresponding VR (Virtual Reality) equipment, under a situation that one of the normal image or the distortion image is known, the coordinate of the point of other corresponding image can be quickly obtained, and convenience is brought to the picture data measurement of the virtual reality equipment and support for the virtual reality equipment.

The invention discloses a flywheel rotating speed control device and method based on linear Hall sensors. Three-phase linear Hall sensors are installed on a stator of a flywheel direct-current brushless motor in a spatial 120-degree symmetrical distribution mode to acquire three-phase analog sinusoidal signals proportional to the flywheel air gap magnetic field intensity, and position and speed information of a flywheel can be obtained after mathematical calculation. Compared with a photoelectric coder used in the traditional flywheel design, the device for measuring the position and the speed of the flywheel by adopting the three-phase linear Hall sensors has the advantages that the structure is simple and the cost is reduced; moreover, the three-phase analog sinusoidal signals and three-phase counter electromotive forces have a consistent corresponding relation, and a magnetic field directional control algorithm capable of directly generating a phase current command in a static coordinate system without mutual transformation between the static coordinate system and a rotating coordinate system is derived using the corresponding relation, so that high-efficiency driving of the motor can be realized, and the requirements for storage and calculation resources are reduced. The control algorithm applied to the rotating speed control of the flywheel achieves good control effect and has high popularization value.

The invention provides a highway three-dimensional model data conversion method comprising the following steps that step S101: the type of a three-dimensional model is read; step S102: the position information of the three-dimensional model is read; step S103: linear position coordinate information is obtained through screening according to the type and the position information of the three-dimensional model; step S104: the linear position coordinates are converted into plane coordinates and converted into latitude and longitude coordinates; and step S105: map positioning is performed through the latitude and longitude coordinates. Compared with the methods in the prior art, the linear coordinates can be converted into the plane coordinates, establishment of mutual transformation between the plane coordinates and the linear coordinates is completed and then the system user describes the object position required to be expressed according to the universal linear coordinates, and the coordinates are converted into the latitude and longitude coordinates for expression in the three-dimensional map. The invention also provides a highway three-dimensional model data conversion system for realizing the method.

The invention discloses a method and a device for generating a semantic network service document. The method comprises the following steps of acquiring first interface structure information of an interested operation in a non-semantic network service document; acquiring second interface structure information of the semantic network service document; matching contents of the first interface structure information and the second interface structure information based on at least one of contextual information and description information of elements in the first interface structure information and elements in the second interface structure information, so as to establish a corresponding relation of all elements in the first and second interface structure information; generating an interface transformation engine for carrying out mutual transformation on the first and second interface structure information according to the corresponding relation, wherein information of interested operations at least in the second interface structure information, the interface transformation engine and the non-semantic network document form the semantic network service document, and the first interface structure information and the second interface structure information are respectively a set of elements having mutual relation information.

The invention relates to a Beidou-based power distribution communication device and a communication method thereof. The Beidou-based power distribution communication device comprises a processing module and a transceiving module, the processing module comprises a microprocessor and a communication interface, wherein the microprocessor is used for processing the power distribution information transmission protocol and the Beidou short message communication protocol to be mutually converted, and the communication interface is connected with the microprocessor; the transceiving module is used forcarrying out mutual transformation on the received baseband signals or radio-frequency signals, and sends the data to a terminal device through a Beidou short message communication link. According tothe Beidou-based power distribution communication device, the power distribution information is transmitted through Beidou short message communication, the labor cost is reduced, economic benefits are achieved; the Beidou short message communication has the characteristics of being wide in coverage range and free of signal blind areas, so that the power distribution communication device is very suitable for being used in remote areas, and the problem that in the prior art, no power distribution communication devices is suitable for remote areas is solved, meanwhile, the intelligent level of the power distribution network in the remote area is improved, and the construction of the intelligent power distribution network in the remote area is promoted.

The invention belongs to the field of detection and control over flow of supercritical carbon dioxide used in petroleum, chemical industry, food, environment protection and the like, in particular to a supercritical carbon dioxide flow measuring method and a flowmeter. Pressure P in a pipeline is measured by a pressure sensor, the temperature T of liquid in the pipeline is measured by a temperature sensor, recoil force to the jet flow recoil force sensor when gas, liquid and solid fluid flows is measured and detected by the jet flow recoil force sensor, measuring is performed by the recoil force, an impact angle and a jet diffusion curve, mass and flow are calculated by the pressure P and the temperature T, and the problem of calculation difficulty about the flow and mass of the supercritical carbon dioxide in states such as multi-phase mixing and mutual transformation is solved.

The invention discloses an inclined seam separating type multi-band band elimination filter for artificial surface plasmons, and belongs to the multi-band band elimination filters. According to the filter, a periodic metal grating is printed on a flexible medium substrate, wherein the periodic metal grating is connected with a coupling structure and a coplanar waveguide; a fine inclined seam and the periodic metal grating are combined, and the fine inclined seam is not printed with a metal film; the coplanar waveguide is a guide wave transmission structure; mutual transformation between guide waves which are transmitted by the coplanar waveguide and the artificial surface plasmons which are transmitted on the periodic metal grating is realized through the coupling structure; the periodic metal grating is an artificial surface plasmon transmission line. The fine inclined seam and the periodic metal grating are combined, and the periodic metal grating is separated at macro level. The inclined seam separating type multi-band band elimination filter has the advantages that: the surface transmission type filter has a relatively small dimension and high flexibility, and can be applied to a compound integrated circuit with a compact dimension and a special function; base parameters are changed, so that the inclined seam separating type multi-band band elimination filter can be applied to microwave, millimeter-wave and terahertz frequency bands.

The invention relates to a hydrodynamic force conversion device and relates to the field of hydrodynamic force conversion. The hydrodynamic force conversion device comprises a stator, a rotor, a barrier plate and slide blocks. The rotor is rotatably connected to the stator, an annular cavity is formed between the relative side walls of the rotor and the stator, an inlet and an outlet are formed in the stator, the barrier plate is fixedly connected to the stator and is slidably connected to the rotor, and the barrier plate which is located in the annular cavity is arranged between the inlet and the outlet; chutes are formed on the surface, corresponding to the annular cavity, of the rotor; the slide block is arranged in each of the chutes; the slide blocks extend out from the chutes and divide the annular cavity together with the barrier plate into two sub-cavities which are different in pressure; and the slide block retracts back into the chutes so as to cross the barrier plate. The hydrodynamic force conversion device is simple in structure, and the mutual transformation efficiency of kinetic energy and mechanical energy of a fluid is high.

The invention provides a method and device for realizing dynamic balance, energy saving and self-weight requirement reduction of a traction elevator. The device comprises an auxiliary traction device, a hydraulic energy storage device and an electric control device. According to the invention, the operating performance of the traction elevator is optimized through mutual transformation of gravitational potential energy and hydraulic energy and control of the speed and direction of energy conversion during the mutual transformation process; an energy storage device stores energy and releases energy to enable a pump motor to act on the traction elevator, and the magnitude and direction of an acting force are adjusted in real time according to the load and operating signals of the traction elevator to reduce the load difference between two ends of a traction wheel and realize dynamic balance of traction together with a counterweight; redundant gravitational potential energy is stored in the energy storage device to reduce the negative work a traction motor does in a third quadrant to reduce the energy consumption of the traction motor and realize the purpose of energy saving; and through auxiliary hydraulic drive, the requirement of maximum traction force is reduced so as to reduce the positive pressure required by the traction wheel to realize self-weight requirement reduction.

The invention provides an intensity filter-based multi-extended target tracking method. The objective of the invention is to solve the problem of incapability of carrying out accurate multi-extended target tracking with clutter intensity unknown and newly generated target states unknown. The method includes the following steps that: an expanded space model is built, mutual transformation of clutters and targets is realized; a target particle set and clutter intensity are initialized; a survived target particle set is predicted, a newly generated target particle set is initialized, the clutter intensity is predicted, and measurement intensity is predicted; measurement division is carried out an extended target measurement set; the target particle set and the clutter intensity are updated; the updated target particle set is re-sampled; and the states of targets are obtained by adopting a k-means clustering method. The method of the invention has a wider application field, can not only capture the position state information of unknown newly generated targets, but also can update the intensity of unknown clutters in real time while accurately estimating the states of the targets, and can be applied to fields such as radar signal processing.

The invention relates to a curtain wall exposed and hidden frame connecting auxiliary frame, a curtain wall system and a construction method thereof. The connecting auxiliary frame comprises two strip-shaped auxiliary frame units of mirror symmetry and a transforming auxiliary frame detachably connected with the auxiliary frame units; the transforming auxiliary frame comprises two strip-shaped exposed frame press plate units and strip-shaped decorative buckling covers, wherein the strip-shaped exposed frame press plate units are arranged in a mirror symmetry and correspondingly connected with the auxiliary frame units. The cross section of the exposed frame press plate units is in a J shape and comprises a vertical plate and a transverse plate, wherein a clamping strip connected with a connecting slide groove in a matched mode is arranged at the upper end of the vertical plate, a second through clamping groove is formed in the outer end of the upper surface of the transverse plate in the length direction, and a third through clamping groove is formed in the side face of the outer end of the transverse plate in the length direction, and the decorative buckling covers are connected with the third through clamping grooves in the two exposed frame pressing plate units through convex strips on the two side walls. The connecting auxiliary frame is simple in structure and reasonable in design and is combined with the exposed frame press plate units to achieve mutual transformation between an exposed frame glass curtain wall and a hidden frame glass curtain wall.

The invention relates to an interest behavior based distributed virtual environment cache management method. The distributed virtual environment cache management method includes the following steps: establishing an interest cluster according to a group relation and behavior track of an node embodiment in a virtual scene, forming a node logic network, wherein a scene zone picked by an interest cluster nodes in a roam process is defined as an interest domain, and scene data in the interest domain is a cache management object of the interest cluster; dividing data in cache spaces of the nodes into five states, wherein mutual transformation of the cache states maps a cache management process; establishing a direct predecessor node set on the basis of roam behaviors of the nodes and scene data features; giving a node cache state transformation algorithm; and providing a rejecting strategy of scene resource caches on the basis of the cell request rate and the data reuse degree, and establishing an autarkic structural scene resource network. Compared with the prior art, the interest behavior based distributed virtual environment cache management method is high in scene data sharing degree, is stable in neighbor structure, is high in resource positioning efficiency, and is high in node resource utilization rate.

The invention relates to a Gimeracil needle crystal (A crystal form) and a preparation method thereof, and a method for mutual transformation between the needle crystal (A crystal form) and a granular crystal (P crystal form). The preparation of the A crystal form, the transformation between the A crystal form and the P crystal form, or the purification of the A crystal form and the P crystal form adopts aqueous solution of any one of ethanol, methanol, acetone and tetrahydrofuran, or mixed solution of more than one of the ethanol, the methanol, the acetone and the tetrahydrofuran, or pure water, preferably the aqueous solution of ethanol or the pure water, and optimally preferable the pure water. By adopting the solvent in the method for crystallization, not only the transformation and simultaneously the purification of different crystal forms can be finished well, but also low-content water or even the pure water can be used as a crystallization solvent, thus the Gimeracil needle crystal and the methods have the advantages of low cost, nontoxicity, environmental protection, few organic residues and the like. Particularly the pure water is used, thus not only the purification effect is good, but also the yield is higher, and the yield is 35 percent higher than that of using absolute ethyl alcohol.

The invention discloses a remote-control electric scooter capable of being transformed into an electric bicycle. The remote-control electric scooter comprises a plate body, a folding mechanism, a circuit system, wheels and a remote controller. The remote-control electric scooter capable of being transformed into the electric bicycle is characterized in that a combined handlebar is arranged on a plate face; a foldable saddle is arranged in the internal space formed by a chassis and the plate face; the plate face is movably connected with one end of the chassis; the foldable saddle is provided with an angle adjuster; a plate body is of a hollow structure; the circuit system is internally arranged in the plate body; the wheels are formed by coating tyres on the periphery of wheel hub motors; and the remote controller is provided with a wireless signal transmitter. The remote-control electric scooter capable of being transformed into the electric bicycle has the advantages that the mutual transformation between an electric scooter and the electric bicycle can be realized, the remote-control electric scooter capable of being transformed into the electric bicycle is a remote-control electric scooter when the remote-control electric scooter capable of being transformed into the electric bicycle is in a folded state, and has the characteristics of small volume and convenience in carrying and storage, and the remote-control electric scooter capable of being transformed into the electric bicycle is transformed into the electric bicycle when the remote-control electric scooter capable of being transformed into the electric bicycle is in an unfolded state, and has the characteristics of fashionable appearance and generous structure, so that the needs of people on entertainment body building and traffic transportation are met, and the psychological need of people on the pursuit of novelty and fashion in modern society is also met.