55results about How to "Improve the ability to use" patented technology

The invention discloses a virtual reality-based foreign language learning method and system. The system comprises a virtual reality terminal, a terminal adapter, a computer and a virtual reality database. The method comprises the steps of acquiring an action of a user through an input device in the virtual reality terminal; transmitting the action to the computer through the terminal adapter; processing and calculating the acquired data by the computer; performing retrieval, matching, modeling, mapping and calculation according to various foreign language learning scene models in the virtual reality database to generate corresponding virtual reality output results; and displaying virtual reality scenes in an output device of the virtual reality terminal. The user also can perform foreign language three-dimensional associative learning by utilizing 3D scenes. According to the virtual reality-based foreign language learning method and system, the computer is used for performing three-dimensional animation making, so that simulated scenes similar to real foreign work and life are generated; and the user can interact with a virtual environment in senses such as a visual sense, a hearing sense, a touch sense and the like, so that visual and intuitionistic learning feelings are formed.

The invention discloses a monitoring method and system of a battery energy storage station and relates to monitoring and control methods and systems of the battery energy storage station. The method includes the steps of firstly, a special embedded control mainframe is configured into in the monitoring system of the battery energy storage station, the embedded control mainframe connects the batter management system and the power conversion system of the battery energy storage station to form a process level network, and the monitoring system network of the battery energy storage station is divided into a control network and a monitoring network which are mutually independent; secondly, during monitoring of the battery energy storage station, the monitoring information of the battery management system and the power conversion system are transmitted to a monitoring center through the monitoring network; the control information of the battery management system and the power conversion system are accessed to the control mainframe through the control network, and the control mainframe transmits the control information to the monitoring center; the state information monitoring and control can be fast transmitted to the battery management system and the power conversion system through the two independent networks respectively. The invention further discloses a monitoring system using the method. The monitoring method and system has the advantages that the reliability and response speed of the monitoring system of the battery energy storage station are increased greatly during application, and the operation performance of the battery energy storage station is increased at the same time.

The invention relates to a novel negative plate used in low temperature environment. The negative plate comprises 2.5-2.9kg of acetylene black, 2-2.8kg of humic acid, 9-12kg of barium sulfate, 1.5-2.5kg of lignin, 1.0-1.5kg of barium stearate, 110-120kg of pure water, 1000kg of lead powder, 850-900g of short fiber and 75-90kg of sulfuric acid, the length of the short fiber is 2-4mm, and the concentration sulfuric acid is 50%. The original formula of the negative plate is changed, and a new formula is adopted, so the usability of a battery is improved, the charging acceptance of the battery used in low temperature environment is improved by 30%, and the usability of the battery at a low temperature of -15DEG C is improved by 25%. The novel negative plate has the advantages of novel formula, simple making, improvement of the usability of the battery, and improvement of the starting performance of a storage battery.

The present invention provides a hinge structure, which comprises a first pivoting assembly, a second pivoting assembly and a first bracket. The first pivoting assembly comprises multiple first pistoncomponents, multiple first pivoting arms and a first sliding shaft. Each of the first pivoting arms has a first elastic slot. A diameter of the first sliding shaft is greater than an aperture of thefirst elastic slot so as to generate a first torque. The first bracket has multiple first grooves separated from each other, and the first piston components are respectively disposed in the first grooves. When the first pivoting assembly pivots relative to the second pivoting assembly to an angle, the first grooves respectively press the first piston components so as to generate a second torque.

The invention provides a multi-mode simulation experiment container with cognitive ability. The simulation experiment container comprises a simulation experiment container body, a touch display, a photosensitive sensor, a single-chip microcomputer, a sound sensor and an intelligent terminal. The invention further provides a multi-mode simulation experiment container method with the cognitive ability. The method comprises the steps of sensing the user behavior through sensors, obtaining a first set of intent, carrying out the keyword extraction processing on the voice; obtaining a second set ofintent, performing intersection taking operation on the first intention set and the second intention set, so that a third intention set is obtained, a real feedback sense is provided for the user, the user does not need to memorize the knowledge deliberately when using the device, and the user can understand the knowledge by using the experiment operation instead, and accordingly the learning interest of students and the application capability of the knowledge are increased, the consumption of the experiment materials is greatly reduced, the experiment waste left after the experiment does notneed to be processed, and the user operation is facilitated.

The invention discloses a 3D printing medical mask, which comprises a face side contacting with a face and an instrument side contacting with an instrument. The face side is characterized by obtaining personalized data for three-dimensional reconstruction through face scanning, and generating a face-shape-fit face side 3D data file; the instrument side is characterized by carrying out scanning on a conventional mask to obtain data for three-dimensional reconstruction, or carrying out correction according to clinical requirements to obtain a 3D data file; by jointing the 3D data files of the face side and the instrument side, a 3D printing mask digital file is formed; and finally, a personalized 3D printing medical mask is generated through printing of a 3D printer. The 3D printing medical mask subverts a conventional mask making method, is fit to the face shape of a person, solves the problem of side leakage of the air, can be more effectively applied to the breathing machine and cardiopulmonary exercise test of a patient, can be fit to the face shape of an animal in a personalized manner, and can be applied to respiratory disease treatment and of the animal and clinic animal experiment.

The invention discloses a data query method which is used for solving the problem that in the prior art, for a user without a related professional background, a programming language is usually difficult to modify a slot in an SQL template based on a query request to obtain a structured query statement. The method comprises the steps of determining a target template; based on the similarity betweeneach to-be-queried word and each field and each aggregation function in the to-be-queried database, filling a target keyword and a screening item identifier contained in the target template, whereinthe to-be-queried word is obtained by performing word segmentation on a query statement described by a natural language; and querying target data from the to-be-queried database based on the filled target template. The invention further discloses a data query device, data query electronic equipment and a storage medium.

The invention discloses health herbal tea capable of improving immunity and a preparation method thereof. The herbal tea is prepared by the following steps: adding water, boiling processed bulk pharmaceutical chemicals, such as rehmannia glutinosa, dogwood, Chinese yam, Chinese-date, poria cocos, eucommia ulmoides, polygala tenuifolia, fried schisandra chinensis, fructus broussonetiae, fried foeniculum vulgare, morinda officinalis, herba cistanche, acori graminei rhizoma, wolfberry, and adding honey and white granulated sugar so as to prepare the health herbal tea. The health herbal tea provided by the invention can effectively strengthen the human immunity, reduce various immune diseases, such as the symptoms of influenza, weakness, improve the sub-health status obviously, can delay aging, remove dull yellow skin, and brighten skin to enable the skin to be smooth, white, fine and elastic.

The invention provides a sand table teaching aid capable of simulating hospital operation. The sand table teaching aid comprises a sand table face and simulation insert blocks. The sand table face comprises a sand table template, a waiting module, a cost module, a medical module, a drug storage module, a charging module, a fixed assets-net value module and a financial module, and the waiting module, the cost module, the medical module, the drug storage module, the charging module, the fixed assets-net value module and the financial module are installed on the sand table template. The simulation insert blocks comprise a patient insert block and a medicine insert block, and the patient insert block and the medicine insert block are connected with corresponding modules on the sand table template in a detachable manner. The sand table teaching aid also comprises simulation coins, mark cards and fund blank notes. The simulation coins comprise own fund simulation coins and financial fund simulation coins. The mark cards comprise building mark cards, section office equipment mark cards and medical worker mark cards. The simulation coins, the mark cards and the fund blank notes are connected with corresponding modules on the sand table template in a detachable manner. The sand table teaching aid also comprises a risk dice used for simulating medical risks and / or human resource risks. The sand table teaching aid capable of simulating hospital operation is provided for the first time in order to provide simulation courses to satisfy the hospital management demand, and the teaching mode is innovated.

The invention discloses a multi-dimensional intelligent peripheral handset and a movable intelligent terminal, A main board, a taste module, an olfactory module, a tactile module, an auditory and visual module, a signal transceiver module are arranged in a casing, the taste module, the olfactory module, the tactile module, the auditory and visual module and the signal transceiver module are connected with the main board, and the unmanned aerial vehicle module is connected with the main board through the signal transceiver module; The multi-dimensional interactive device improves the remote interactive experience among consumers by embedding the olfactory module, the tactile module, the taste module and the auditory module into the mobile phone and other intelligent consumer terminals. Through the standardized interface, the application software and olfactory module, tactile module, auditory and visual module mounted on the mobile phone or other intelligent consumer terminals can be linked to improve the comprehensive application effect of the application software.

The invention discloses a wearable supporting arm device, and belongs to the field of medical apparatuses. The wearable supporting arm device is used for relieving arm fatigue caused by long-term operations of a doctor. The wearable supporting arm device comprises a base, a telescopic pipe fixed to the base, a mounting plate fixed to the end of the telescopic pipe, and a arm binding and supportingdevice which is connected with the mounting plate through a joint assembly. By means of the wearable supporting arm device, a binding band is utilized to cover the arm of a user, and pressure of thearm is distributed on an arm supporting plate to reduce muscle and joint fatigue. The user can select the placing posture most comfortable to himself or herself to accordingly adjust the height and the position of the arm supporting plate, and thus the arm is in the bending angle which is most comfortable and saves labor to the greatest extent; the posture of the arm is maintained, the applicability is improved, the wearable supporting arm device is applied to motions in an operation room, is light, and wireless and does not need to be charged by a power source, and after wearing the wearablesupporting arm device, the arm can completely move freely.

The invention discloses a remote-sensing-image application-case spatiotemporal semantic expression method based on the ontology. The remote-sensing-image application-case spatiotemporal semantic expression method includes the following steps that 1, a remote-sensing-image application-case structural pattern is established, wherein the pattern comprises the five elements of time, space, a remote-sensing-image application task, a remote-sensing-image product and the application effect; 2, a time ontology model is established; 3, a space ontology model is established; 4, a remote-sensing-image application task ontology model is established; 5, a remote-sensing-image product ontology model is established; 6, a remote-sensing-image application-case spatiotemporal semantic representation model based on the ontology is established. According to the remote-sensing-image application-case spatiotemporal semantic expression method, the time ontology, the space ontology, the remote-sensing application task ontology and the remote-sensing-image product ontology are defined to comprehensively describe a remote-sensing-image application case, and the problem that the spatiotemporal and attributive characteristics of the remote-sensing-image application case are incomplete in a traditional attribute-value expression mode can be solved.

The invention discloses a water supply pipe network leakage monitoring method. The water supply pipe network leakage monitoring method comprises the following steps that S1, water supply pipe networkdata are obtained; S2, a heterogeneous double classifier leakage identification model is established based on a deep neural network; and S3, the water supply pipe network data and the heterogeneous double classifier leakage identification model are used for identifying the water supply pipe network leakage. According to the water supply pipe network leakage monitoring method, the calculation efficiency of pipeline leakage detection and positioning is improved effectively, the application range of a pipeline leakage detection method is expanded, and high-precision leakage point detection and positioning can be carried out under complex working conditions.

The invention provides a hotel-management-oriented wristwatch system based on TD-LTE. The hotel-management-oriented wristwatch system comprises a wristwatch terminal, a wireless transmission core network and an upper computer, wherein a wireless radio frequency module, a touch module, a scanning module, a storage module, a display module, a wireless transmission module and a power supply module are built in the wristwatch terminal; information generated by the wireless radio frequency module, the touch module and the scanning module is respectively gathered into the storage module; then, the storage module transmits the information to the display module and the wireless transmission module; the wireless transmission module is connected with the upper computer through the wireless transmission core network and processes and feeds back the information; and the wireless transmission core network is a TD-LTE wireless communication network and comprises a base station and an eCNS core network. The hotel-management-oriented wristwatch system provided by the invention can solve the technical problems that in the prior art, the function of the wristwatch terminal is single; the use range is small; and during the wireless data transmission, the data receiving and sending volume is small, and the speed is low. The application effect of a wireless sensor network to the hotel-management-oriented aspect is improved.

The invention provides a signed-document encrypting and safety browsing device and a method thereof, and relates to the field of electronic document transmission. The signed-document encrypting and safety browsing device and the method thereof have the advantages that a secret key is generated when an encryption identification of a signed document is identified, the signed document is encrypted according to the secret key and an encryption algorithm to generate an encrypted document, manual encryption of users is not needed, and accordingly, user experience is good; the secret key and the encrypted document are sent to a second client side when verification information sent by each third client side is received; when a user not knowing the secret key wants to browse the encrypted signed document, the signed document and the secret key can be received by the second client side after verification of each responsible person related to the signed document, so that the content of the signed document is protected to some extent, practical document application capability is improved, and users' browsing experience is good.

The invention provides a multivariate information-driven approximate fusion network recommendation propagation method. A propagation algorithm is recommended based on an approximate fusion network, the problems of single information source and data initial stage recommendation quality of a traditional recommendation algorithm can be effectively improved, participants in a network recommendation system are divided into four entity classes and six relationships from three key steps of an approximate fusion network recommendation propagation algorithm, and a probability transfer matrix is determined according to different types of relationships among entities. According to the invention, various types of information such as recommended objects, projects, labels and attributes and relations thereof are effectively fused; the problem of data sparseness and the problem of data initial stage recommendation quality caused by a single information source are relieved, so that recommendation results are more diversified, recommendation accuracy is obviously improved, robustness and robustness are good, calculation complexity is moderate, overall implementation is easy, and the method can be rapidly popularized to network recommendation system application and is high in market practical value.

The invention discloses a processing method for a cadmium adsorbent with use stability. The processing method comprises the following steps: (1) weighing of raw materials for subsequent usage; (2) processing treatment of the raw materials; (3) blending processing treatment; and (4) drying treatment. The processing method provided by the invention performs special processing treatment to an adsorbent, realizes good optimization and improvement, significantly improves the adsorption efficiency and effects of the adsorbent to cadmium, reinforces the use ability of the adsorbent in a variety of acid and alkali environments, broadens the applicability of the adsorbent, and has significant market competitiveness and application values.

The invention relates to the field of graphene preparation, and aims to provide a method for continuously peeling graphite oxide in a flowing mode and classifying graphene based on size. Flexible graphene oxide and rigid graphene oxide have different performances on penetrating a porous ceramic separation membrane; a graphene oxide-graphite oxide mixture obtained through peeling is made to go through a mono-channel pipe in a flowing mode, wherein the mono-channel pipe is filled with multilayer ceramic separation membranes with different diameters; and when the graphene oxide is separated, themultilevel mono-channel pipe with decreasing diameters is used to classify graphene oxide based on the size. The problems that according to an ultrasonic peeling method, the peeling is non-uniform, the graphene oxide product is severely damaged, and the size is not uniform, are solved. The quality and size uniformity of graphene oxide are greatly improved. Graphene oxide with a size in a targetedrange is obtained through a multistage membrane separation technology. The preparation is continuous. The preparation efficiency is high. The technology is simple, the cost is low, and the method is suitable for large-scale industrial production.

The invention discloses a display control method used on a display. The method comprises: (a) capturing a to-be-compared image on a target position; (b) comparing the image content of the to-be-compared image with the image content of a reference image, to generate an image relation message; (c) according to the image relation message, determining a relative position of a target device and the display; and (d) according to the relative position, controlling the display to display images. The invention also discloses a relative position determining method, independently formed by steps (a), (b), and (c). The invention also discloses a system using the method. The method can determine relative positions of the target device and the display under the condition that the display does not include a fixed reference point, and controls the display according to the relative positions, and horizontal moving determining range of the target device is increased, and application of the display control system is improved.

The invention relates to an intelligent assessment system for teachers' teaching quality. The system comprises an examination question input mechanism, an answer collector, a central controller and adisplay. Through the analysis of the examination questions, the system obtains the information of each knowledge point corresponding to each examination question, and divides the information of each knowledge point into different scores according to the degree of knowledge mastery. The scores are used as the basis of assessing teachers' teaching quality, and the evaluation results obtained by thesystem are more objective and accurate. Combined with the whole class examinees for a knowledge point of the correct rate of answer to calculate, the quality of teaching teachers can be truly reflected. According to the distribution of the cumulative value of each error option, it can be predicted whether the error is caused by teachers' mistaken teaching, so the complexity of data analysis in theassessment is reduced. Teachers with higher teaching ability in some knowledge points can give full play to their specialties to help students in some knowledge points generally lack of grasp to improve the ability of knowledge application as soon as possible and improve the quality of teaching.

The invention discloses a solar water heater high in utilization rate. The solar water heater high in utilization rate comprises a support. Supporting legs are symmetrically installed at the bottom of the support. A first supporting rod, a motor and a second supporting rod are sequentially arranged on the top of the support from left to right. A water tank is fixedly installed on the top of the first supporting rod and the second supporting rod. The top of the water tank is sequentially provided with an optical sensor and a make-up water pipe. A controller is fixedly installed on one side of the water tank. The other side of the water tank communicates with a water supply pipe. The bottom of the water tank communicates with a connecting pipe. By the adoption of the solar water heater high in utilization rate, by the arrangement of a light collecting plate, collector pipes can rotate, and therefore the solar irradiation angle on the collector pipes can be changed; and in this way, the solar optical energy can be fully utilized by the solar water heater, and the solar utilization rate is improved; and meanwhile, the use capacity of the solar water heater is also improved, use convenience is brought to people, and the life quality and the production quality are improved for people.

Disclosed is a display apparatus. The display apparatus comprises a display panel, a first substrate, a first pressure electrode layer, a second pressure electrode layer and a compression layer; the display panel has a display region and a peripheral region positioned on the periphery of the display region; the first substrate is arranged opposite to the display panel; the first pressure electrode layer is arranged on one side, towards the display panel, of the first substrate, and is corresponding to the peripheral region; the second pressure electrode layer is arranged on one side, towards the first substrate, of the display panel; and the compression layer is sandwiched between the first pressure electrode layer and the second pressure electrode layer.

The invention relates to a hand-held terminal used for data acquisition and transmission of condition of stored grain, which comprises a humiture sensor, an interface module, a wireless acquisition module, a storage module, a display module, a wireless transmission module and a power supply module. The wireless transmission module transmits the humiture data of a grain bin collected by the humiture sensor and the grain temperature data collected by the interface module and the wireless acquisition module to a host computer in a wireless mode. The hand-held terminal can employ a wired mode to obtain the condition of stored grain data which requires measurement and control, and can employ a wireless sensor network transmission mode to obtain the condition of stored grain data, the usage scope of the hand-held terminal is enlarged, and the service life of the hand-held terminal is increased; a TD-LTE technology and the host computer are used for data transmission, so that the hand-held terminal has the advantages of fast transmission rate, anti-multipath interference, flexible supporting of different bandwidth, and is very suitable for wireless transmission and reception of mass data information between the hand-held terminal and the host computer.

The invention relates to a training method and device, computer equipment and a storage medium. The training method comprises the following steps: receiving an operation instruction input by a targettrainee, wherein the operation instruction comprises a test instruction; selecting a target test scene from a plurality of test scenes according to the received test instruction, wherein each test scene is fused with a plurality of simulation scenes, and each simulation scene corresponds to one training course; sequentially playing customer voice preset in the target test scene, and collecting trainee voice replied by the target trainee for the customer voice; and evaluating the target trainee according to the trainee voice to obtain a test evaluation result. By adopting the training method, the actual application ability of trainees can be improved, and the training effect is further improved.

The invention discloses an impeller comprising a wheel hub and a plurality of a first fan flabellum and a plurality of a second fan flabellum. Each of the first fan flabellum is arranged around the wheel hub and each of the second fan flabellum is arranged between the first fan flabellum. In addition the length of the second fan flabellum is less than that of the first fan flabellum.

The invention discloses a steel rail damage detection system and method and computer equipment, wherein the detection system comprises that a first ultrasonic signal is transmitted to one of at leasttwo calibration wafers of a central detection wheel, and each calibration wafer receives a first rail bottom echo signal; each detection wafer in at least two detection wafers of the detection wheel emits a second ultrasonic signal and receives a second rail bottom echo signal, and the echo signal intensity of the second rail bottom echo signal is determined; the computer equipment is connected with a detecting detection wheel and a centering detection wheel and is used for determining a deviation value and a deviation direction of the centering detection wheel according to the first rail bottom echo signal, determining a signal compensation value of each detection wafer, and determining whether a steel rail at the second rail bottom echo signal acquisition position is damaged or not according to the signal compensation value of each detection wafer and the echo signal intensity of the corresponding wafer. The situation that a flaw detection vehicle running at the speed of 80 km / h leaks detection of the damage of the steel rail can be reduced.

The invention belongs to the technical field of optical lens focal length measurement, and particularly relates to a thin convex lens focal length measurement device and method based on electro-optical modulation. An electric signal is used for modulating a light source to enable the light source to emit light with a modulation signal, and after the light passes through a to-be-measured lens, a photoelectric conversion module converts the received light signal into an electric signal, the signal is demodulated into an original electric signal through a demodulation module, and the original electric signal is displayed on an oscilloscope; the distance between the to-be-measured lens and the light source is adjusted, the change of the amplitude of the electric signal is observedby using an oscilloscope, and when the maximum amplitude of the electric signal is observed, the distance between the to-be-measured lens and the light source is the focal length of the to-be-measured lens; knowledge points of optics, electricity, communication and the like are integrated, and the focal length of the optical lens is measured by adopting an electricity method; and the method has the advantages of scientific principle, simple experiment adjustment, convenient data observation, high stability and high measurement precision.

The invention discloses a motor vehicle automatic driving control system. The system includes a roadbed subsystem and a vehicle subsystem; the roadbed subsystem includes road marking line limiting equipment, road traffic light anti-interference equipment and road condition monitoring and early warning equipment; the road marking line limiting equipment includes street light signal identification angle limiting sub-equipment and road signal identification nail identification sub-equipment; and the vehicle subsystem includes vehicle special signal receiving module and scanning equipment, ultrasonic sensor equipment spreading all over a vehicle body, a front-facing camera, a preposition radar, high precision satellite positioning equipment and vehicle road data model computing equipment. Through the synergism of the roadbed subsystem and the vehicle subsystem, each related operating mechanism on the vehicle can be controlled to work to achieve the purpose of automatic driving; and the system can make the vehicle have multidimensional detection functions, so that the perception of the vehicle on the situations of periphery environments can be more sensitive, and therefore, driving timecosts can be saved, road jamming can be alleviated, energy can be saved, and powerful technical supports can be provided for the realization of unmanned safe driving of the vehicle.

The invention discloses a cover plate bearing base applied to a vehicle engine. The cover plate bearing base comprises a bearing base body and a bearing cavity which is formed in the center of the bearing base body, wherein the bottoms of two sides of the bearing base body are connected with a first bearing plate and a second bearing plate; wind deflectors are formed in the joints between the edge of the end face of the bearing base body and the first and second bearing plates. Through the manner, the cover plate bearing base applied to the vehicle engine is capable of ensuring that the load on the bearing can be completely released and the bearing can rotate freely, enabling airflow to veer, reducing oil leakage of the bearing when the airflow flows through the bearing, and improving the using capability of the bearing base.

The invention discloses a non-polar electrical connector, which comprises a mounting frame, a driving device and a connecting device respectively installed on both sides of the mounting frame, and the connecting device includes a mechanically connecting male joint, a mechanically connecting female joint and an electrical connecting head; After the above-mentioned non-polar electrical connector is rotated and dislocated by 180° around the Z-axis and docked with another non-polar electrical connector with the same structure along the Z-axis, the drive device can drive the electrical connector, the mechanical connection male connector or / and the mechanical Connect the female connector to reciprocate, so that the electrical connector, mechanically connected female connector, and mechanically connected male connector of the non-polar electrical connector are respectively connected to the electrical connector, mechanically connected male connector of the other non-polar electrical connector with the same structure. Joints and mechanical connection female joints are connected or separated one by one to realize detachable mechanical and electrical connections. In the nonpolar electrical connector provided by the present invention, if one nonpolar electrical connector is damaged, the other nonpolar electrical connector can still be separated.