46results about How to "Rich research content" patented technology

The invention discloses a low-cost large-heat-input-weldable high-toughness steel plate and a manufacturing method thereof. According to the low cost large-heat-input-weldable high-toughness steel plate and the manufacturing method thereof, metallurgical technical means of taking a component system of micro-alloyed steel with low C and high Mn-(Nb+Ti) as a basis, controlling the cold cracking welding sensitive index Pcm to be not higher than 0.22%, appropriately increasing the content of acid-dissolved Als, controlling the ratio of Mn/C to be 25-55, carrying out Ni+high Cr alloying, controlling [(%C)+(%Mn)/6]*(%Si) to be not greater than 0.035, controlling (%Mn equivalent)*(%Cr equivalent) to be not smaller than 2.7, carrying out Ca treatment, controlling Ca/S to be 0.80-3.00, controlling Ti/N to be 1.5-3.0 and the like are adopted, and a TMCP (Thermo-Mechanical Control Process) and a tempering process are optimized, so that the microstructure of a finished steel plate is of fine bainite, the average crystal group size is smaller than 15 microns, the steel plate can bear large-heat-input welding while uniform and excellent mechanical properties are obtained and the toughness and the plasticity are matched, and then, the low-cost large-heat-input-weldable high-toughness steel plate is particularly applicable to engineering machinery, bridge structures, offshore oil production platforms, oil storage tanks and the like.

The invention discloses an HMM-based song synthesizing method and device. According to the method and device, a text-to-speech conversion technology is applied; an HTS (hidden Markov model-based speech synthesis system) is adopted; the STRAIGHT algorithm is used; an HMM-based speaker-related acoustic model for song synthesis and the melody control model of songs are built; speaker adaptive training is performed; and therefore, the HMM-based lyrics-to-song real-time conversion personalized speech synthesis device can be realized. With the device of the invention adopted, the research content of speech synthesis is enriched, synthesized speech is more expressive and can better express emotions; opportunities for learning technical operation such as song production and music processing can be provided for music lovers; and the available social resources of people can be increased. The method and device have a certain practical value and important significance.

The invention belongs to the technical field of solar batteries, which more particularly relates to a preparation of a novel triphenylamine group organic dye and the application thereof as a photosensitizer in a dye-sensitized solar cell. The triphenylamine group organic dye provided by the invention has excellent light-capturing capacity; the D-Pi-A molecular structure thereof causes the effective transferring of the electrons in the molecule. The titanium dioxide electrode sensitized by the dye is applied to the dye-sensitized solar cell and obtains a higher photoelectric conversion property. The novel triphenylamine group organic dye provided by the invention is novel in structure, is easy to be composed, is low in cost, and has excellent photoelectric properties, can be modified by molecule designing and shows a potential application prospect to replace a heavy metal organic photosensitizer.

The invention discloses organic phosphates containing an ethyoxyl (CH2CH20) unit, a preparation method and application thereof. The organic phosphates have the following structural general formula: in the formula, n is 1 or 2; R can be CH3 or C2H5 or CF3CH2; and radicals of two R are the same. The preparation method is to heat ethylene glycol monomethyl ether containing chloromethyl or diethylene glycol monomethyl ether containing the chloromethyl and phosphite ester containing an R radical as raw materials by taking absolute nickelous chloride as a catalyst for a sufficient reaction, and distill at reduced pressure so as to obtain the organic phosphate. The organic phosphate prepared by the method has excellent flame retardance, thermal stability and excellent electrochemistry performance, can be used as secondary lithium ion battery high-safety electrolysing solution, and has wide industrial application prospect. The method has the advantages of simple steps, short time, completion in a common laboratory and easy popularization.

The invention provides a novel Michler ketone-cyan organic dye and a synthetic method thereof. The dye derives from Michler ketone, and has the structural formulae which represent Michler ketone-cyan organic dye compounds 1, 2, 3, 4 and 5, respectively. Each molecule of the dye comprises two nitrogen containing groups, namely, the structural feature of double electron-donating groups. Accordingly, the molecules can be oxidized and deacidized easily, and have better capability of donating electrons and the capability of trapping electrons from electrolyte more quickly. The dye extends the design thought of organic photosensitizers, and enriches the research content of dye sensitization solar batteries, thereby having very important significances for improving the photoelectric transformation efficiency of organic solar batteries and reducing the cost of batteries both in theory and practice. The synthetic step is short, the process is simple; the cost is low and the yield is high.

The invention discloses large-scale bio-sequence alignment and a parallel processing method for large-scale bio-sequence alignment based on a heterogeneous system. The method comprises the following steps of firstly, carrying out optimized storage on a sequence and designing a load balancing method of the heterogeneous system; secondly, designing a memory optimization method of the heterogeneous system, which consists of a sequence storage method capable of meeting combined access conditions, a similar matrix storage and access method and score matrix compression storage, for solving low actual calculated performance caused by deficiency of a storage space of the heterogeneous system; and lastly, putting forward a coarseness sequence alignment parallel method based on internal memory pre-allocation and reuse strategies. The method is based on a CPU (Central Processing Unit) and GPU (Graphics Processing Unit) heterogeneous computing platform, and load balancing and internal memory optimization technologies are fully utilized, so that the processing efficiency for large-scale bio-sequence alignment is remarkably improved.

The invention discloses a cold flow test device for a scaling linear plug type spray pipe carrier. The cold flow test device comprises a lifting body component, a plug type spray pipe component, a force-measuring balance component and a supporting component, wherein a front part of a lifting body, a middle part of the lifting body and a rear part of the lifting body all have hollow structures and are fixedly connected in turn, so as to form a lifting body appearance of the carrier; the lifting body component comprises the front part of the lifting body, the middle part of the lifting body, the rear part of the lifting body, a vertical tail, a horizontal airfoil, an airfoil pin, a bottom cover plate and a belly cover plate; the plug type spray pipe component comprises a tail shell, a plug type spray pipe engine and an engine pin; the plug type spray pipe engine is mounted in the tail shell; the force-measuring balance component comprises a force-measuring balance and a balance protecting cover; and the supporting component comprises a supporting arm, a front rectifying cover and a rear rectifying cover. The cold flow test device has a simple structure and is low in cost; the plug type spray pipe engine of the cold flow test device is a single part, so that the structure is simple; the device is only applied to a cold flow test; and the ordinary carbon steel is selected as the raw material, so that the cost is low.

The invention relates to a flood event identification method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring an outlet flow time sequence, a solar surface rainfall time sequence and a daily average temperature time sequence corresponding to a target drainage basin; determining a dominant time period corresponding to each runoff type according to the time sequence of the solar surface rainfall, the time sequence of the daily average temperature and a preset runoff division rule; the runoff types at least comprise base flow, snow melting runoff and ice melting runoff; analyzing rainfall event information corresponding to the target drainage basin based on the solar surface rainfall time sequence, and analyzing flood event information based on the outlet flow time sequence; and determining cause identification results corresponding to the flood events according to the rainfall event information and the flood event information corresponding to the target drainage basin and the dominant time periods of the various types of runoffs. The method is high in accuracy and wide in application range, and enriches the research content of current cold region flood simulation and forecast.

The invention discloses self-assembly medicine vesicles and a construction method thereof. The vesicles consist of surfactants and medicine molecules, wherein one surfactant molecule and one medicine molecule are combined to form a medicine-surfactant ion pair with amphipathy, and the ion pairs can form the vesicles in solution in a self-assembly manner. The construction method comprises the following steps of: preparing a medicine solution and a surfactant solution respectively, mixing the two solutions according to an equal molar ratio to form a solution mixture, mixing the two solutions adequately under conditions of heating and stirring, performing freeze drying on the solution mixture to remove moisture, adding a proper organic solvent into dried solids to remove inorganic salt so as to obtain a medicine-surfactant ion pair solution, evaporating the solution in a rotation manner, performing vacuum drying on the solution to remove the organic solvent so as to the obtain the product. Amphiphilic molecules of the ion pairs can form the medicine vesicles in a polar solvent in a self-assembly manner. The construction method is simple and rapid, and the obtained vesicles are uniform in state, small in particle size and good in stability and have wide application prospect in sustained drug release.

The invention discloses a ship gyro stabilization control method based on a fuzzy immune controller at a low speed, and belongs to the technical field of ships. The ship gyro stabilization control method comprises the steps that a random wave model is established; a ship model is established in a low speed state, and a corresponding rolling angle of a ship is obtained through a measurement part under the action of random waves; a system total model is established, and the parameters of the controller is optimized by using a fuzzy immune control method, and a signal obtained by the measurementpart is applied to the controller to generate a corresponding control signal; a single-frame control torque gyro dynamic model is established, two gyro stabilization devices are used for carrying outstabilization for one working group, the signal given by the controller acts on the gyro devices, and then gyros generate the corresponding torque to counteract the interference of the waves; and a simulation model is built in a SIMULINK of a MATLAB to verify the stabilization effect.

The invention discloses a multi-target photovoltaic single-phase grid-connected capacity planning method considering three-phase imbalance, and the method employs a BP neural network model to predict and obtain PV output and load active power data in a planning year, and obtains typical scenes and scene probabilities of PV and load through a K-means clustering method improved based on a DPC algorithm. According to the output size of a PV typical scene, the PV single-phase grid-connected capacity and an output conversion matrix are obtained, and a multi-target optimization problem with the PV single-phase grid-connected access capacity as an optimization variable and with the minimum comprehensive investment and carbon emission cost, the minimum voltage deviation, the maximum static voltage stability margin and the minimum three-phase unbalance degree as targets is established. A comprehensive weight coefficient is obtained by adopting a method of combining objective weight and subjective weight, a multi-objective optimization problem is converted into a single-objective optimization problem, and finally the problem is solved by adopting an improved QPSO algorithm.

The invention relates to a method for regulating and controlling the crystal face orientation of a metal material, the metal material obtained through the method and application, and the method comprises the following two steps that the crystal face orientation of the metal material is regulated and controlled through introduction of residual stress and low-temperature annealing, preferred even single crystal face orientation is obtained, and the crystal face orientation of the metal material is regulated and controlled. The method is used for regulating and controlling the electrochemical electron-ion exchange process of a metal material to obtain a high-activity and high-uniformity metal interface, and is successfully applied to the fields of battery metal negative electrode materials, metal negative electrode current collector materials and electro-catalysis.

The invention provides an experimental device for simulating the cracking and collapsing process of a soil body under the action of periodic water level rising and falling. The experimental device comprises a water level rising and falling simulation system for simulating the water level rising and falling change in the experimental process; a supporting system used for installing the experiment device is installed in the water level rising and falling simulation system in a supporting mode. A measuring system used for measuring and recording the experiment process is installed on the supporting system in a matched mode. The problem of lack of simulation equipment in the gradual collapse process of the soil body caused by periodic rise and fall of the current measured water level can be solved, real-time data of mass change of soil particles and water in soil in the cracking and collapse process of the soil body can be accurately mastered, the device is simple in structure, and the use method is convenient and rapid.