52results about How to "Meet general needs" patented technology

The invention discloses a memory card of handheld equipment. Based on an Android system, the memory card comprises an internally-arranged memory card; the internally-arranged memory card is divided into a first storage region and a second storage region; the first storage region is an ROM (Read Only Memory); a system program and/or an application program of the handheld equipment are/is stored in the ROM; and the second storage region belongs to a user storage space, is mainly used for storing relative data for a user and can also be used for mounting the application program. A dynamic mounting method of the memory card is used for dynamically selecting mounting between the second storage region of the internally-arranged memory card and an externally-inserted T card. According to the memory card of handheld equipment, the mounting path of the second storage region of the internally-arranged memory card and the externally-inserted T card is replaced, so that the utilization efficiency of a cell phone is improved and the cost is saved.

The invention discloses a knowledge graph construction method, device and equipment of an e-commerce platform and a storage medium, which are applied to the technical field of knowledge graphs, and are used for solving the problems of low accuracy and success rate of commodity recommendation. The method provided by the invention comprises the following steps: sorting out browsing record fields ofeach user; for each user, selecting a preset first number of fields with front word frequency ranks from browsing record fields of the user as category fields; For each category field of each user, calculating the similarity between the category field and each browsing record field of other users, and selecting the browsing record field of which the similarity exceeds a preset first threshold as an association field; For each category field, establishing a triple according to the category field, the corresponding associated fields and the similarity between the category field and the associated fields to obtain a category network corresponding to the category field; And forming a knowledge graph of the e-commerce platform according to the category networks corresponding to the category fields of all the users.

The invention provides a search method, device and a search engine; the method comprises the following steps: receiving a search word, and obtaining user information and mobile terminal status information; determining a user cluster to which the user belongs according to the user information and mobile terminal status information; determining scene information corresponding to the user cluster to which the user belongs; obtaining a search result corresponding to the scene information, and sending the search result to the user. The search method can aim to satisfy customized demands of minority population, can reduce multi-search operations when user demands are not satisfied, thus reducing searching cost, and improving searching efficiency.

The embodiment of the invention discloses an online classroom interaction method and device, a storage medium and a terminal, and the method comprises the steps of determining at least one corresponding interaction control instruction in response to a classroom interaction instruction in an online classroom, and enabling the interaction control instruction to be generated based on the classroom interaction data in a historical teaching process; and according to the at least one interaction control instruction, controlling at least one virtual character participating in the online classroom toexecute an interaction operation. According to the method, virtual characters are added under the condition that the number of online course classroom people is insufficient or the classroom atmosphere is poor, the added virtual characters can perform classroom interaction like real students, and the classroom interaction of the virtual characters is performed based on the interaction data of historical real students in the classroom. Therefore, the scheme provided by the embodiment of the invention not only can meet the general requirements of an online classroom, but also can stimulate the learning interests of other real students through the virtual character for classroom interaction based on historical data, so that the students can be put into the classroom more effectively, and theclassroom atmosphere is improved.

The invention discloses a preparation method of a nickel steel-containing sample for an EBSD analysis. The method comprises the following steps: rough machining of the nickel steel-containing sample, fine polishing after polishing and erosion, surface cleaning after fine polishing of the sample, and the sample for the EBSD analysis is obtained; the fine polishing process comprises the following steps: diamond suspension liquid is used for polishing the sample after polishing and erosion, and aluminum oxide suspension liquid is used for polishing the sample. Special sample preparation links are reduced for facilitating implementation; the fine polishing process can relieve stress; compared with the conventional polishing method, the method has the advantages of simplicity, saved time, reduced sample preparation cost, and improved sample preparation efficiency, and the sample has a high desorption rate which can meet the requirements of EBSD analysis. The method has high operability, so that sample preparation is simple and timesaving, and preparation efficiency of the sample is improved. The sample for the EBSD analysis has a high desorption rate and good stability, the calibrate rate of the sample reaches 90% or above, general demands are satisfied, and the effects are good.

The embodiment of the invention discloses a classroom interaction method and device, a storage medium and electronic equipment, and the method comprises the steps: obtaining at least one interaction control instruction corresponding to a classroom in response to a classroom interaction instruction in the classroom, and obtaining at least one interaction control instruction corresponding to the classroom, and based on each interaction control instruction, controlling the at least one virtual character participating in the classroom to execute an interaction operation, generating multimedia interaction data of the at least one virtual character based on each interaction control instruction, and performing classroom synchronization on the multimedia interaction data and the interaction operation. By adopting the method of the invention, the classroom teaching effect can be improved.

An embodiment of the invention provides a method and a device for identifying users. The method includes acquiring a user request which includes an authorization code, a service code and a user face image sent from a client side, determining a business service corresponding to the user request according to the authorization code as authentication service while determining the user face image as anuncopy image, further, providing the business service, which includes registration service and various verification services, to the user according to the service code so as to obtain service result,and finally sending the service result to the client side while displaying the same on the client side. According to the embodiment, the problem of identification counterfeiting is solved and sourceauthenticity of identification of the user is guaranteed.

The invention relates to an improved catalyzed synthesis method for a 1,4-dicarbonyl compound. The method comprises the following steps: adding a compound as shown in a formula I and a compound as shown in a formula II into a reactor; adding triethylamine, a composite catalyst and TBHP (Tert-Butyl Hydroperoxide) in sequence; performing sealed thermal reaction; after reacting, adding a saturated sodium thiosulfate aqueous solution for performing a quenching reaction; extracting the obtained mixture by using ethyl acetate; drying an organic phase by using anhydrous magnesium sulfate; evaporating to remove an extracting solvent; purifying residues by use of a column to obtain the 1,4-dicarbonyl compound as shown in a formula (III). The method is mild in reaction conditions and high in product yield and purity, so that an efficient composite catalytic synthesis method is provided for the preparation of the type of compound, the requirement of preparation of intermediates for use in the fields of organics, chemical industry, medicine and the like is met, and the method has wide industrial application prospect and high market value.

The invention relates to the technical field of marketing, in particular to an intelligent marketing management system. The system includes conduction of marketing activities, marketing effect analysis, commodity introduction, online shopping guide, after-sales service and customer marketing. A business domain space needs to be created for the conduction of marketing activities, wherein the business domain space includes a user layer, an application layer and a data layer. The purpose of the invention is to solve the problems as follows: by using the existing marketing technology, the marketing cost of enterprises is always high, and enterprises cannot track the marketing effect; and the early preparation time for marketing activities is too long, it takes a long period of time from planning to implementation, and it is difficult to satisfy the market demand for immediate marketing scenes.

The invention belongs to the technical field of hydraulic control valves of a water system, and particularly relates to a waterway pressure resistant pilot operated directional control valve, which realizes the pressure resisting effect of a hydraulic control switch of the water system of coalmine equipment and increases the use convenience. The waterway pressure resistant pilot operated directional control valve comprises an upper valve and a lower valve, wherein the upper valve is a ball valve, cylindrical surface matching and interference fit are formed between an inner sealing sleeve of the lower valve and an inner wall of a channel, cone sealing is formed between the sealing sleeve and an upper shaft shoulder of a valve core, the sealing sleeve is a brass support, and both a valve body and the valve core are made of stainless steel. According to the waterway pressure resistant pilot operated directional control valve, good high-pressure working performance and longer service life of the pilot water valve are realized, and the pilot water valve has double functions of manual operation and hydraulic control.

The invention belongs to the technical field of deep space exploration, aims at solving problems of poor autonomy, a low integration degree and overlarge size and weight of a current space detector, and relates to an autonomous navigation flight control system for deep space impact. The system comprises a first bearing device and a second bearing device which are separately arranged, and the firstbearing device is internally provided with a flight control and information processing module, a space navigation camera module, an inertia measurement module, an energy module, an attitude and orbitcontrol execution module and a wireless communication module which are in communication connection with one another; and the flight control and information processing module can make the attitude andorbit control execution module complete a preset flight task based on image information collected by the space navigation camera module and inertia sensitive information detected by the inertia measurement module. The second bearing device is driven by the power device to rotate along an axis of the second bearing device, and the first bearing device can rotate and separate relative to the axis of the second bearing device. In the invention, lightweight, miniaturized and integrated autonomous flight control of a space exploration aircraft can be realized.

The invention relates to the technical field of engineering construction equipment automation, in particular to an automatic acquisition system for concrete rebound data. The system comprises a resiliometer, a database center system, a detection personnel terminal and a user terminal; the rebound instrument can measure rebound data, transmit rebound value information to the database center systemand receive information of the database center; the detection personnel terminal can be connected with the database center system, uploads personal information of the detection personnel and stores the personal information into the system; the detection personnel terminal can verify the detection personnel information through the rebound apparatus; the user terminal calls data through the databasecenter system; the resiliometer comprises a mechanical part and a digital display part, and the digital display part comprises an information input module, a communication module, an information output module, a processor, a storage module and a power supply. The monitoring data of the resiliometer is collected in time and uploaded to the far end, and the detection personnel is authenticated, sothat the reliability of the detection data is improved.

The invention discloses a non-native Android game UI automatic testing method and system. The method includes starting an automatic testing script; calling a secondary developed automatic testing framework interface; initializing the automatic testing script; The request of the test script is sent to TestBundle; TestBundle receives and parses the request, obtains the content of the control to be queried, and sends it to the ElementProvider; ElementProvider receives and parses the request for the content of the control to be queried, and sends it to the engine plug-in; The engine plug-in receives and obtains UI controls and returns the information to the ElementProvider; the ElementProvider receives and returns the information of the UI control to the TestBundle; the TestBundle obtains the information of the UI control and operates the game under test. The present invention obtains the attributes of the UI controls of the game interface, and realizes the automatic testing of the non-native Android game UI.

The invention discloses a low temperature and weather resistant HIPS/PE (High Impact Polystyrene/Polyethylene) alloy material for making a plastic board. The low temperature and weather resistant HIPS/PE alloy material comprises the following raw materials in parts by weight: 52-76 parts of HIPS, 10-18 parts of PE, 8-15 parts of a toughening agent, 5-10 parts of hollow glass beads, 0.2-0.6 part ofan ultraviolet absorbent, 0.1-0.2 part of an antioxidant, 0.2-2 parts of a lubricant and 1-3 parts of a color master batch. Due to adoption of an HIPS/PE alloy plastic, the weather resistance and thelow temperature impact resistance are improved, properties of pure single plastic raw materials of a conventional plastic card board can be improved, the practicability is greatly improved, and multi-purpose, multi-area, multi-situation and all-weather user requirements can be met.

The invention relates to a camping lamp which comprises a bottom portion (1) and a luminous component (2) arranged on the bottom portion (1). The camping lamp is characterized in that the luminous component (2) can move relative to the bottom portion (1) so that switch between a first state and a second state can be achieved, and the luminous component (2) provides a circumferential illumination in the first state and provides a perpendicular incidence illumination in the second state. Simultaneously, the camping lamp is small in size and easy to carry.

Plant for desalinating water of a water supply system, which comprises one or more tanks for accumulating water (2) in an immiscible manner, in order to store a softened supply thereof, provided with a first inlet connection (3) and with a first outlet connection (4) respectively connected to a feeding pipe (5) connected to the water supply system (50) and to an extraction pipe (6) for supplying users. The plant (1) also comprises a filtering unit (10) for water softening, for example obtained with a flow-through condenser (10") or with a reverse osmosis membrane filter (10'), connected in parallel to the tank (2) with second inlet connection (1 1) and second outlet connection (12) respectively hydraulically connected to the first inlet connection (3) and to the first outlet connection (4) of the tank (2). Circulating means (13) are provided which can be activated to force at least one water flow to be treated to pass through the filtering unit (10), producing a filtered water flow, which is progressively stored in the tank (2) according to a filling direction (VI) thereof. Operatively, the feeding pipe (5) of the water supply system (50) forces, when the user requests water, a water flow intended for use to flow through the tank (2), causing the at least partial evacuation of the filtered water volume that was stored therein in an immiscible manner, in an evacuation direction (V2) opposite the filling direction (VI) with which the filtered water flow had been previously stored in the tank 2.

The invention relates to a method for improving the hardness of a bayonet of a stainless steel vernier caliper, which is characterized in that: the main caliper body of the vernier caliper is divided into two parts of a caliper body and a caliper head, wherein, the caliper head is made of 6Cr16 materials, the caliper body is made of 4Cr13 materials, and the caliper body and the caliper head are fixedly connected together by butt-weld; and the whole body of a vernier is made of the 6Cr16 materials. The method adopts the 6Cr16 materials to manufacture the caliper head of the vernier caliper and the vernier, which greatly improves the hardness of the bayonet simultaneously, and does not cause the price of the vernier caliper to rise considerably, thus meeting general needs of the market.

The invention discloses a natural skin-care mask, comprising the following compositions in parts by mass: 6-12 parts of apricot kernel powder, 4-10 parts of green tea powder, 5-10 parts of rose flowerextract, 8-40 parts of pearl powder, 8 to 20 parts of mung bean powder, 10 to 30 parts of cucumber extract, 5 to 10 parts of lemon extract, 5 to 10 parts of honey, and 20 to 30 parts of eggs. The skin-care mask provided by the invention is natural and non-irritating, and the various components cooperate with each other to play the functions of whitening skin, replenishing water, removing acne, resisting aging, tranquilizing and beautifying, can satisfy general needs of consumers, and is simple in preparation method and suitable for long-term use.

The invention belongs to the field of sports equipment, and relates to a helmet bringing convenience to handstand rotation for a street dancer. The helmet is characterized in that a lower circular plate and an upper circular plate of a grounding face are hinged to each other in a clearance fit mode through a shaft, an elastic cushion is arranged on the upper circular plate, a hook-shaped adhesion piece is arranged on the inner side of the outer end of a forehead fastening belt in a sewn mode, an annular adhesion piece is arranged on the outer side of the inner end of the forehead fastening belt in a sewn mode, ten cloth sleeves are arranged outside the forehead fastening belt in a sewn mode, and the left end of a rope penetrates through ten annular holes and ten cloth sleeve holes formed in the upper circular plate in an alternating mode so that the upper circular plate can be connected with the forehead fastening belt to form the overall structure of the helmet. The depth of the helmet can be adjusted after the left end or right end of the rope stretches or contracts and is tied. The adhesion pieces can be connected by tensioning the outer end of the forehead fastening belt, and then different forms of heads of users can be fastened. On the basis that the roughness and friction coefficients of the upper surface of the lower circular plate and the roughness and friction coefficients of the lower surface of the upper circular plate are small, the upper circular plate and the lower circular plate can rotate freely relative to each other.