254results about How to "Achieve technical effects" patented technology

The invention provides a method for generating three-dimensional virtual animation scenes watched through naked eyes, and relates to machining of three-dimensional images with an animation effect. The method comprises the steps of measuring a display space, collecting information of the light environment of the display space, setting up a three-dimensional digital model of the three-dimensional space size of the display space, making virtual objects and cartoons needing to appear, rendering the made virtual objects and cartoons, setting projection in the display space, carrying out final proof-reading, and limiting watch angles and watch distances. The method combines an actual space and a virtual space, so that audiences do not need to wear any auxiliary devices to watch the three-dimensional virtual animation scenes through the naked eyes.

The invention relates to a preparation method for a nanometer black titanium dioxide photocatalyst. The method takes trivalent titanium titanium trichloride and TiOCl as raw materials, takes sodium borohydride, ascorbic acid or hydrazine hydrate as a reducing agent, and employs a hydrothermal synthesis process for preparing the nanometer black titanium dioxide photocatalyst. By introducing Ti<3+> into the titanium dioxide photocatalyst and performing oxygen vacancy, absorption performance of a titanium dioxide material in ultraviolet light region, visible light region and infrared light region is enhanced, and by adjusting the usage amount of the reducing agent, the color of the nanometer titanium dioxide photocatalyst is adjusted.

The present invention provides an optical time-domain reflectometry signal detection method, including the following steps: modulating, under the control of a correlation code pattern sequence respectively, n detection optical signals transmitted by detection light sources of different wavelengths into n pulse optical signals, where n is a natural number greater than or equal to 2; combining the n pulse optical signals and outputting a detection optical signal to an optical fiber under test; receiving a backscattered optical signal from the optical fiber under test and dividing the backscattered optical signal into n optical signals according to wavelengths; and performing correlation processing on the n optical signals according to the correlation code pattern sequence and outputting a correlation optical time-domain reflectometry signal. The present invention further provides an optical time-domain reflectometry signal detection apparatus.

An indoor robot and a method for indoor robot positioning are provided in the disclosure. The indoor robot is capable of executing different positioning modes according to the number of the detected beacons for indoor robot positioning. When the number of the detected beacons is less than a positioning required number, the indoor robot moves a predetermined distance according to the detected beacons to obtain a plurality of sets of distance data, thereby positioning the location of the indoor robot.

The present invention discloses a traditional Chinese medicine (TCM) clinical medical record based disease diagnose and treatment method and system. The method comprises: obtaining TCM clinical medical record data, wherein the TCM clinical medical record data comprises clinical symptoms; converting the TCM clinical medical record data into a high-dimensional feature vector, wherein the high-dimensional feature vector reflects correlation among clinical symptoms; matching the high-dimensional feature vector with a famous doctor medical record database; if the match is successful, determining a disease diagnose and treatment suggestion from the famous doctor medical record database; and if the match fails, based on the high-dimensional feature vector, using a treatment model to make symptom prediction according to a predetermined strategy, and determining the disease diagnose and treatment suggestion, wherein the diagnose and treatment model is established based on the famous doctor medical record database, by using a machine learning manner. According to the method and system disclosed by the embodiments of the present invention, the technical problem of how to expand a disease diagnose and treatment range is solved.

A liquid-cooled heat dissipation apparatus includes a water cooling module (1), a water pump set (2) and a reservoir tank (3). The water cooling module (1) includes a heat exchange unit (11) and a base (12) having a pump receiving slot (121) and a heat exchange chamber (T). The base (12) includes a water inlet channel (G1), drainage channel (G2) and first channel (G10). The water pump set (2) is arranged inside the pump receiving slot (121) and includes a rotor assembly (21) and a blade assembly (23). The blade assembly (23) is attached onto the rotor assembly (21) and includes a second channel (G20). The reservoir tank (3) is detachably stacked onto the water cooling module (1) and includes a water containing chamber (R) and a water supply channel (G3) formed thereon. Accordingly, the apparatus achieves the effects of independent reservoir, readily water supply and pipeline exhaust simultaneously.

The invention discloses a display method and electronic devices. The display method is applied to the first electronic device. The first electronic device comprises a display unit, a first image processing unit and a second image processing unit, wherein the first image processing unit is used for sending display content to the display unit so that the display content can be displayed by the display unit. The display method comprises the steps that a confirmation command is obtained when the first electronic device is connected with the second electronic device, wherein the confirmation command is used for confirming that first display content of a first area on the display unit needs to be sent to the second electronic device, and the first area is smaller than or equal to the maximum display area of the display unit; the first display content is obtained by the second image processing unit based on the confirmation command; the second image processing unit sends the first display content to the second electronic device so that the first display content can be displayed by the second electronic device.

The invention discloses a ransomware defense method and device. The method comprises the following steps: creating at least one trap folder fitting ransomware encryption type in a magnetic disc; determining whether the trap folder changes, wherein the change includes at least one of the followings: modifying, deleting and renaming the trap folder, and adding a new file into the trap folder; and inhibiting to performing default operation on the magnetic disc in case that the trap folder changes. With the adoption of the ransomware defense method and device, the technical problem that an existing ransomware defense scheme in the prior art is too weak to defense known or unknown ransomware can be solved.

The invention provides a base station switching method and system. The method comprises the following steps that: a first access and mobility control function (AMF) module receives switching request information transmitted by a first base station, wherein the switching request information is used for requesting switching of user equipment from the first base station to a second base station; underthe situation that the user equipment does not need to perform cross-AMF switching, the first AMF sends a switching preparation request to the second base station to request a target resource for theuser equipment, wherein the cross-AMF switching is used for indicating that an AMF of the user equipment is changed from the first AMF to a second AMF; and under the situation that the user equipmentneeds to perform the cross-AMF switching, the first AMF transmits the switching request information to the second AMF, and the second AMF sends a switching preparation request to the second base station in order to request a target resource for the user equipment. Through adoption of the base station switching method and system, the technical problem that a target side cannot reserve resources for a user terminal in the prior art is solved.

The invention relates to organic inorganic composite hydrogel capable of removing a heavy metal from water body. The composite hydrogel consists of sodium alginate, ammonium alginate or alginic acid, acrylamide, acrylic acid or methacrylic acid, attapulgite, bentonite or kaolin clay, and is prepared according to a cross-linking polymerization method, wherein the crosslinking agent adopts methylene bisacrylamide, and the initiator adopts ammonium persulfate, potassium peroxodisulfate or azodiisobutyronitrile. The whole preparation process is conducted in an aqueous solution, and the preparation method is simple, does not need special process equipment, and is low in energy consumption, low in production cost, environmentally friendly and easy in industrialization. The desorption process of the hydrogel is simple, low in energy consumption, low in production cost, environmentally friendly and easy in industrialization, and has high adsorption quantity on divalent lead ions, divalent cadmium ions and divalent copper ions and little influence of acidity and alkalinity. An adsorbent which adsorbs heavy metal ions can absorb heavy metal ions again after the heavy metal ions are removed from the adsorbent by taking hydrochloric acid as a desorbent, so that high renewability and cyclicity are achieved.

The invention discloses a three-dimensional image displaying method, system and device. The method comprises the steps of acquiring a three-dimensional (3D) image; segmenting the 3D image into the appointed number of sub-images; and sending the appointed number of sub-images to sub-screens of a spliced screen, wherein the spliced screen is composed of the sub-screens. According to the method, thesystem and the device, the technical problem that the 3D image cannot be displayed on the 3D spliced screen is solved.

The invention discloses combined type gas atomization powder preparation equipment, and relates to the technical field of metal powder material preparation. The combined type gas atomization powder preparation equipment comprises a feeding system, a smelting system, an atomizing system, a circulating gas system and an ultrasonic generator which are connected in sequence. The smelting system comprises a smelting chamber and a heating coil, and the heating coil is arranged on the outer side of the free end of a metal material rod in a sleeved manner; the atomizing system comprises an atomizing chamber and an atomizing spray disc; the circulating gas system comprises a plurality of blowing mechanisms which are arranged in a sleeved mode; the blowing mechanisms comprises an annular pipe and anair blowing opening, wherein the air blowing opening is arranged on the annular pipe at intervals, and the air blowing opening is inclined downwards and points to the center line of the annular pipe.the blowing mechanisms are additionally arranged on the top wall of the atomizing chamber through the combined type gas atomization powder preparation equipment, the ultrasonic generator is arrangedon the inner wall of the atomizing chamber, and ultrasonic waves emitted by the ultrasonic generator can be used for dispersing and crushing molten metal droplets into finer powder. The composite gasatomization powder preparation equipment can reduce the occurrence of a satellite ball, and can improve the yield of fine powder and reduce the oxygen content of powder.

Magnetic resonance (MR) data are acquired by applying magnetic fields to an examination region concurrent with stimulated echo signals, such that trajectories, which are not straight lines, are generated in k-space. For this purpose, sequence of RF pulses is applied to generate the stimulated echo signals in the examination object, undersampled MR measurement data are detected during reception of the stimulated echo signals in the at least two receiving coils, along the curved k-space trajectories, and fully sampled MR measurement are generated from the undersampled MR measurement data using sensitivity information of the at least two receiving coils. Alternatively, the MR measurement data are fully sampled in a central region of k-space, and a region outside the central region is not fully sampled, and a phase correction with a Partial Fourier technique is executed on the MR measurement data using fully sampled MR measurement data from the central region of k-space.

The invention discloses an information processing method. The information processing method is applied to an electronic device which is provided with a display unit. The information processing method comprises obtaining a first video; obtaining parameter information of the first video, wherein the parameter information is used for representing fragments of different scenes which the first video includes; obtaining a first trigger operation; responding to the first trigger operation and determining that the first video is output in a first output mode. By means of the information processing method, the technical problem that part of the playing content cannot be presented due to the fact a fast forward or fast backward mode is utilized in a video playing process and further due to the fact that fast forward processing is performed on the video with a time period as the unit in the fast forward or fast backward mode in the prior art is solved, and the technical effect that part of the playing contents can be presented by utilizing the fast forward or fast backward mode can be achieved.

The invention discloses a method and equipment for predicting an equipment access number of a wireless network. The method is applied to an environment in which N wireless network access points are arranged, and N is a positive integer. The method comprises the steps of: acquiring an at-least-one-waiting-people-number curve of at least one waiting region correlated with each wireless network access point in the N wireless network access points in a second preset time period after a current moment; acquiring a multidimensional model for representing a relationship between the equipment access number and a waiting people number; and based on the at-least-one-waiting-people-number curve and the multidimensional model, determining an estimated value of the equipment access number of each wireless network access point in the second preset time period. The method and the equipment are used for solving the technical problem how to analyze an access number of each wifi point in a period in future according to a historical access condition of the wifi point in the environment, and achieves the technical effect of providing a prediction algorithm to predict the equipment access number of each wireless network access point in the environment in one period in future.

The invention discloses an information processing method which can be applied to electronic equipment. N projection modules are arranged in the electronic equipment, and correspondingly the N projection modules can project M projected images in M projection areas. The method comprises the following steps: detecting a first operation of a user in the M projection areas; responding the first operation, generating and executing a screen splitting instruction or a screen combining instruction, wherein the screen splitting instruction is specifically an instruction for controlling the electronic equipment to project and output a first projected image in the first projection area in P projection areas; the screen splitting instruction is specifically an instruction for controlling the electronic equipment to combine K projected images in the M projection areas to a second projection area, and then perform projection output.

A cryogenic cooling system for an aircraft includes a first air cycle machine, a second air cycle machine, and a means for collecting liquid air. The first air cycle machine is operable to output a cooling air stream based on a first air source. The second air cycle machine is operable to output a chilled air stream at a cryogenic temperature based on a second air source cooled by the cooling air stream of the first air cycle machine. An output of the second air cycle machine is provided to the means for collecting liquid air.

The invention relates to a method of operating a mobile hand-operated device (9) provided as a means of outputting or enabling potentially dangerous control commands to a controllable technical device (1) actively connected to it or to another hand-operated device. A safety switch device (16) comprising at least one evaluation circuit and at least one enable button (18) connected to the evaluation circuit for transmitting signals is provided, which has an idle mode which is assumed automatically without applying operating force and two consecutive operating modes set on the basis of a differing strength of operating force and / or by different displacement distances in the form of an enable operation mode and a panic operating mode. Either an active mode is assigned to the at least one enable button (18) in which an enabling mode for running potentially dangerous control commands can be signalled or made available when the enable operation mode is assumed, or an inactive mode in which signalling or availability of the enabling mode is suppressed or not possible. When or after the evaluation circuit has detected on the basis of signals that the panic operating mode or the panic operating mode and the idle mode has been assumed, the active mode is assigned to the respective enable button (18). Also specified is a corresponding mobile hand-operated device (9, 9') and a corresponding safety switching device (16).

A propulsion system includes an electric fan propulsion motor with a plurality of propulsion motor windings. The propulsion system also includes a means for controlling a flow rate of a working fluid through a cryogenic working fluid flow control assembly to the propulsion motor windings.

The invention provides a method for controlling a set top box, a television and a system, for achieving the technical effect of controlling the set top box by the television and a television remote control. The method comprises the steps of: obtaining key information corresponding to the set top box, wherein the key information is sued for representing identification of the set top box or a second remote control identification code; sending the key information to a could side through the Internet; receiving key-value pair information of a second remote control sent by the cloud side based on the key information; based on the key-value pair information and a plurality of first keys on a first remote control, establishing correspondence of the plurality of first keys and a plurality of second keys on the second remote control; obtaining at least one key pressed information sent by the first remote control; based on the information, sending at least one set top box control value corresponding to the at least one key pressed information to an infrared transceiver to control the set top box.

The invention discloses an information processing method and electronic equipment. The method is applied to the electronic equipment. The information processing method comprises the following steps of obtaining a first operation command, wherein the first operation command comprises a first voice command or a first gesture command; determining first shooting duration according to the first operation command; collecting and obtaining a first image according to the first shooting duration. The information processing method is used for solving the technical problem that, in the prior art, the time for timing photographing cannot be set according to user requirements and achieves the technical effect that the preset shooting duration can be set according to the actual user requirements.

The embodiment of the invention discloses a method for broadcasting subtitles. The method comprises the following steps of receiving a subtitle broadcasting order, wherein the broadcasting order contains broadcast subtitle information; acquiring starting physical coordinate information of the subtitle broadcasting in a display screen and marking the starting physical coordinate information as first physical coordinate information; marking first physical coordinate information of an administrated screen in the display screen as second physical coordinate information; establishing correlation of the physical coordinate information of the broadcasting subtitles in the administrated screen and the second physical coordinate information according to the first physical coordinate information and the broadcasting subtitle information; and rendering the broadcasting subtitles time by time at a designated rendering speed under the correlation instruction, wherein the beginning time of each rendering is the acquired existing central processing unit (CPU) system time. According to the embodiment, frames utilized by different node computers are unnecessary to synchronize, each node computer is allowed to be rendered by different frame frequencies, so that the splitting problem of the display of a subtitle unit utilizing the frame synchronizing technology in the prior art can be overcome.

The invention discloses a knowledge graph construction method and device. The method comprises the steps that an ontology of a target knowledge graph is determined, with the ontology being composed of entities and the relation between the entities; according to the ontology, target entities and target relations among the entities are extracted from the target data, and the target entities are at least used for representing names of all stations in the power grid and operation states and maintenance information of all the stations; based on the target entities and the target relations, a target knowledge graph is obtained, wherein the entities in the target knowledge graph are at least used for representing the name of each site in the power grid and the operation state and maintenance information of each site, and the relations between the entities in the target knowledge graph are at least used for representing the association relations between the sites. The technical problem that the knowledge graph is not easy to construct due to the fact that the power grid sites and the data types associated with all the sites are complicated is solved.

A continuous method and a production device for producing hydrolysis-resistant stable ionic titanium (Ti4+) are provided. The method comprises six steps: (i) carrying out redox reaction between metal titanium and excess strong acid; (ii) carrying out primary chelation; (iii) diluting; (iv) adjusting pH value for the first time; (v) carrying out secondary chelation; and (vi) adding microelement and adjusting pH value for the second time. The device includes a reaction kettle, multiple metering pumps, a chelation kettle, dilution tank, multiple precise mixing reaction kettles, the first chelator storage tank, a pure water storage tank, an alkali liquor storage tank, the second chelator storage tank, multiple microelements storage tanks, a control center, etc. The method uses a multi-points, spiral, reverse and atomization spraying technique synchronously to carry out digital full automatic continuous production and reach the effect of elaborately mixing the material. Also, the method greatly shortens the inter-dissolving time of the materials, easily controls the pH of the solution, and improves the stability of the product.

The invention discloses an information processing method and mobile terminals. The method is applied to the first mobile terminal, the first mobile terminal and the second mobile terminal are in video call connection, the second mobile terminal is provided with a prepositioned video collecting unit and a rear-positioned video collecting unit. The information processing method comprises the steps that a first control instruction is sent to the second mobile terminal through a remote control protocol so as to control the rear-positioned video collecting unit to be in a working state; images collected by the rear-positioned video collecting unit are obtained.

The invention discloses a call proceeding method, system and device applied to a virtual private mobile network (VPMN). Through simplification of a call proceeding process in a VPMN in the prior art, call delay is reduced significantly. It is worth mentioning that although the method simplifies the call proceeding process in the prior art, through adoption of the simplified call proceeding process, a technical effect that call proceeding is successfully realized on the premise that the call is charged can still be ensured.

The invention relates to the field of producing succinate by E. coli fermentation. Specifically, the invention provides an engineered recombinant E. coli for producing succinate, wherein said E. coli contains one or more of the following modifications: a) enhanced activity of the protein(s) encoded by the gene(s) involved in pentose phosphate pathway (PPP), b) enhanced activity of the protein encoded by sthA gene, and optionally c) mutant lpdA gene. The invention also relates to use of the engineered recombinant E. coli for producing succinate, and a method of using the engineered recombinant E. coli for producing succinate.