33results about How to "Achieve responsiveness" patented technology

The invention provides a large file distribution method based on a CDN. The method comprises the following steps: a DNS module receives a request sent by a client and sends the request to a metadata server; and the metadata server retrieves built-in file list information to judge whether the request is a large file, and responds to the DNS module if the request is the large file, and the DNS module and a load balancing system select at least one edge node in a healthy state from an edge node set according to a predetermined strategy in the edge node set to respond to the client. In the large file distribution method provided by the invention, the DNS module and the load balancing system select at least one edge node in the healthy state from the edge node set according to the predetermined strategy in the edge node set, so that the response speed of a user to a concurrent request of large files is realized, the calculation load of the edge node is reduced, and the data distribution effect of the large files based on the concurrent request in the CDN environment is improved.

The invention discloses a visible light sensor which mainly solves the problem of low precision because of the influence of dark current and noise because infrared light can not be effectively inhibited in the prior art. The visible light sensor comprises an ambient light detection circuit (1), an infrared light detection circuit (2), a current control circuit (3), an analog digital conversion circuit (4), a time sequence control circuit (5), a reference voltage generation circuit (6), a reference current generation circuit (7) and a data storage circuit (8), wherein an optical signal detected by the ambient light detection circuit is converted into a current signal; the current signal and a current signal converted from an infrared light detection signal are operated by the current control circuit; an operation result is output to the analog digital conversion circuit; the analog digital conversion circuit sends a conversion result to an external microprocessor by the data storage circuit; and the time sequence control circuit provides a time sequence control signal for all circuits. The visible light sensor owns two measuring ranges, infrared light can be effectively inhibited, the dark current is eliminated, flicker noise in a manual light source is filtered, and the visible light sensor mainly responds to visual light and can be applied to intelligent control of electronicproducts.

The invention discloses a silicon-based hybrid integrated avalanche photodetector (APD). The silicon-based hybrid integrated avalanche photodetector comprises an SOI (silicon-on-insulator) inverted cone coupling structure, a bonding layer, a waveguide and optical matching layer and an avalanche photodetecting structure, which are superposed from bottom to top; and the waveguide and optical matching layer comprises a waveguide region and an optical matching region. The silicon-based hybrid integrated avalanche photodetector is built through a bonding technology; the high-efficiency coupling target is achieved by using an inverted cone template conversion coupling structure and an evanescent wave optical coupling way; an APD of a separate absorption charge multiplication region (SACM) can reach the target of high-speed and low-noise optical detection through a narrow multiplication layer and a narrow absorption layer; and the avalanche photodetector simultaneously integrates the advantages of the SOI inverted cone coupling structure and the avalanche photodetecting structure in a manner of bonding the SOI inverted cone coupling structure and the avalanche photodetecting structure.

An inkjet ink is provided that employs one or more water-soluble colorants or water-insoluble colorants, such as solvent dyes, disperse dyes, or pigments. The colorant, whether water-soluble or water-insoluble, is derivatized with one or more crown ethers to render the water-insoluble colorants soluble in water and in water-miscible organic solvents commonly employed in inkjet printing, particularly thermal inkjet printing, and to impart improved properties to the colorants, such as lightfastness, smearfastness, and waterfastness. The inkjet ink comprises a vehicle and at least one crown ether derivatized colorant. The resulting inkjet ink evidences improved print quality properties, compared to inkjet inks containing colorants that are not so derivatized.

The invention provides a distinguishing method and system for an underwater weak target. The method comprises the steps that firstly, strong disturbing signals in a stop band are filtered out from receiving signals of a multi-sensor array through a spatial matrix filter, wherein the spatial matrix filter meets the condition that the pass-band response error is smallest under the constraint condition of a stop-band overall response error; then based on the receiving signals with the strong disturbing signals filtered out, the underwater target is positioned through a matched processor. The basic thought of the method is that the receiving array signals pass through the spatial matrix filter, a spatial matrix filter technology is used for the receiving array signals, the strong disturbing signals in the stop band can be effectively filtered out on the premise of ensuring that pass-band target signals pass through without distortion, and therefore influence on the detection and positioning of the pass-band target signals is eliminated, the underwater target is positioned through a conventional matched processor or an adaptive matched processor, and positioning of the underwater weak target is achieved under the condition of strong disturbance on the water surface.

The invention provides a real-time big data platform Storm oriented runtime three-dimensional visualization system.The technical scheme includes that the real-time big data platform Storm oriented runtime three-dimensional visualization system periodically interacts with main nodes of Storm cloud environments, states including the numbers and resource consumption of cluster nodes, physical mapping from worker and task threads to Storm cloud, resource consumption of each task and static structures and dynamic properties of topological structures can be sensed, and internal running states of the Storm cloud environments can be monitored; the obtained states can be visualized in real time by the aid of JOGL open source libraries of an OpenGL (open graphics library), and the JOGL open source libraries are implemented on Java virtual machines.The real-time big data platform Storm oriented runtime three-dimensional visualization system has the advantages that the real-time big data platform Storm oriented runtime three-dimensional visualization system is low in resource consumption, and resource competition between the real-time big data platform Storm oriented runtime three-dimensional visualization system and the tasks run by Storm clusters can be prevented.

The invention discloses a local analgesic drug entrapped near-infrared response lipid temperature-sensitive gel, which can reduce and eliminate the toxic and side effects of the existing temperature-sensitive gel, prolong the slow release period, realize responsiveness and adjustable release, enable a patient to autonomously adjust the administration, greatly improve the treatment effect of pain and reduce the compliance of the patient. The composite drug delivery system is of a grid structure, the liposome is embedded in the system, the average particle size ranges from 150 nm to 200 nm, and the potential is about -2.88 mV; singlet oxygen is generated under the action of near infrared rays, so that a light response release behavior can be realized; the release behavior is first sudden release and then slow release, the slow release effect is obvious, meanwhile, near-infrared response can be achieved, the release rate is increased, and the analgesic concentration of ropivacaine is increased within a certain period of time.

The invention discloses a room-temperature phosphorescent polymer based on polyvinyl alcohol doping and a preparation method and application thereof. The preparation method comprises the following steps: dispersing polyvinyl alcohol in water to obtain a polyvinyl alcohol solution; adding an aromatic compound containing hydrogen bond donor and acceptor groups into the polyvinyl alcohol solution, and stirring to obtain a blended solution; and carrying out annealing treatment on the blended solution to prepare the room-temperature phosphorescent polymer based on polyvinyl alcohol doping. A commercial polymer polyvinyl alcohol (PVA) is selected as a host material, an aromatic compound containing different hydrogen bond donor and acceptor groups is selected as a guest material, the host material and the guest material can realize the phosphorescent property of guest molecules through hydrogen bond interaction, and the room-temperature phosphorescent polymer is formed; in addition, due to hydrogen-bond interaction of polyvinyl alcohol, the room-temperature phosphorescent polymer can realize responsiveness to water and heat.

The invention discloses a visible light sensor which mainly solves the problem of low precision because of the influence of dark current and noise because infrared light can not be effectively inhibited in the prior art. The visible light sensor comprises an ambient light detection circuit (1), an infrared light detection circuit (2), a current control circuit (3), an analog digital conversion circuit (4), a time sequence control circuit (5), a reference voltage generation circuit (6), a reference current generation circuit (7) and a data storage circuit (8), wherein an optical signal detected by the ambient light detection circuit is converted into a current signal; the current signal and a current signal converted from an infrared light detection signal are operated by the current control circuit; an operation result is output to the analog digital conversion circuit; the analog digital conversion circuit sends a conversion result to an external microprocessor by the data storage circuit; and the time sequence control circuit provides a time sequence control signal for all circuits. The visible light sensor owns two measuring ranges, infrared light can be effectively inhibited, the dark current is eliminated, flicker noise in a manual light source is filtered, and the visible light sensor mainly responds to visual light and can be applied to intelligent control of electronic products.

The invention discloses a distributed high-concurrency message matching method, and specifically relates to the technical field of high-concurrency servers. The invention adopts a linear message queue arrangement method to realize data queues when data cannot be processed immediately. It is processed sequentially to ensure that each data can be processed, and with the leaky bucket algorithm, the cache of the lower layer of the processor can be adaptively allocated, and the parallel processing margin of the backup processor is adopted. Synchronous processing in the process of processing, forming a double-bucket strategy, with the cooperation of multiple backup servers for the database, can improve the data reading speed of the two processors without duplication of internal cache data in multiple intermediate layers, using multiple identical The method of synchronously reading different data from the data source guarantees the response speed of high access volume, and plays a decisive role in the stability of the database to adapt to the high reading state of high concurrent message matching.

To provide a video reproducing device for reproducing a video signal recorded on an information recording medium and a video recording / reproducing device for recording / reproducing a video signal, which can be connected to a display device and have both energy saving characteristics and good response. In the video reproducing device, power supply mode is set, based on operation state information of the display device connected to the video reproducing device and operation history information of the video reproducing device.

The invention belongs to the field of material preparation, and proposes a benzotrithiophene-benzothiazolyl covalent organic framework material and its preparation and application in photocatalytic decomposition of water for oxygen generation. The present invention uses benzotrithiophenetrialdehyde (BTT) and 4,4'-(benzo[C][1,2,5]thiadiazole-4,7-diyl)diphenylamine (Bt) in solvothermal The preparation of benzotrithiophene-benzothiazolyl covalent organic framework material by Schiff base condensation reaction under certain conditions enhances the response ability to visible light, improves the utilization rate of solar energy, realizes the photolysis of water to produce oxygen, and is low in cost and safe reliable. The covalent organic framework prepared by the invention has a large π-conjugated system and good chemical stability, and is used for photocatalytic decomposition of water to generate oxygen, which has innovative significance. It has great application potential in the field of photocatalytic materials.

The invention discloses a silicon-based hybrid integrated avalanche photodetector (APD). The silicon-based hybrid integrated avalanche photodetector comprises an SOI (silicon-on-insulator) inverted cone coupling structure, a bonding layer, a waveguide and optical matching layer and an avalanche photodetecting structure, which are superposed from bottom to top; and the waveguide and optical matching layer comprises a waveguide region and an optical matching region. The silicon-based hybrid integrated avalanche photodetector is built through a bonding technology; the high-efficiency coupling target is achieved by using an inverted cone template conversion coupling structure and an evanescent wave optical coupling way; an APD of a separate absorption charge multiplication region (SACM) can reach the target of high-speed and low-noise optical detection through a narrow multiplication layer and a narrow absorption layer; and the avalanche photodetector simultaneously integrates the advantages of the SOI inverted cone coupling structure and the avalanche photodetecting structure in a manner of bonding the SOI inverted cone coupling structure and the avalanche photodetecting structure.

The invention discloses a multifunctional rubber composite material containing bacterial cellulose and a preparation method thereof. A dissolution-regeneration process is adopted to reconstruct a complete three-dimensional network structure of bacterial cellulose in a polyvinyl alcohol / rubber composite material, so that the bacterial cellulose with the three-dimensional network structure can reinforce the composite material well on one hand, and a hydrogen bonding effect in the three-dimensional network is utilized to realize a water response characteristic of the composite material on the other hand; the polyvinyl alcohol in the composite material plays roles of a compatilizer and a plastic phase to avoid thermal vulcanization of rubber, so that a water-responsive functional rubber composite material with good recovery effect is obtained.

The invention discloses a temperature control system applicable to a pump laser, comprising a temperature sensing circuit, a differential processing circuit, a temperature setting circuit, a photoelectric isolated circuit, a multimode temperature control circuit, a current limiting circuit, a thermoelectric refrigerator driving circuit and a microcontroller, wherein the temperature sensing circuit detects the temperature in the laser and converts the temperature into a voltage value; the voltage value and a set value of the temperature setting circuit form a deviation signal after being processed by the differential processing circuit; a driving signal is generated after the deviation signal is processed by the multimode temperature control circuit; the driving signal drives a thermoelectric refrigerator in the laser to work as input of the thermoelectric refrigerator driving circuit; and the current limiting circuit can set maximum working current of the thermoelectric refrigerator according to the needs, so that the automatic control of the temperature of the laser is realized.

The invention discloses a secondary reheating unit reheating steam temperature control method. The secondary reheating unit reheating steam temperature control method comprises a flue gas recirculation fan variable-frequency control method and a flue gas adjusting baffle opening degree control method; and a leading differential feedforward unit for the reheating steam temperature after water spraying and a feedforward unit for load changing are arranged in each control method, and meanwhile an overriding and locking control unit for special circumstances is arranged in each control circuit. According to the secondary reheating unit reheating steam temperature control method, the problems that the primary reheating steam temperature and the secondary reheating steam temperature of an ultra-supercritical secondary reheating unit intercouple with each other and are low in adjusting speed are solved, the total heat absorption capacity of a primary reheater and a secondary reheater is controlled through flue gas recirculation fan variable-frequency controllers separately, the primary reheating steam temperature and the secondary reheating steam temperature are controlled through reheater flue gas adjusting baffles, the control measures such as feedforward, overriding and locking are taken, the control precision and the response speed of the primary reheating steam temperature and the secondary reheating steam temperature of the ultra-supercritical secondary reheating unit are achieved, and meanwhile safe and stable running of the unit is guaranteed.

The present invention provides a method for distributing large files based on CDN, comprising: a DNS module receives a request sent from a client and sends it to a metadata server; the metadata server checks whether the request is a large file by retrieving its built-in file list information Make a judgment, if the request is a large file, then reply to the DNS module, and the DNS module and the load balancing system select at least one healthy edge node from the edge node set according to the predetermined strategy to respond to the client . In the invention, in the present invention, at least one edge node in a healthy state is selected from the edge node set according to a predetermined strategy through the DNS module and the load balancing system in the edge node set, so as to realize the response speed of users to concurrent requests for large files and reduce It reduces the computing load of edge nodes and improves the effect of data distribution based on concurrent requests for large files in the CDN environment.

The invention discloses a design method for a photovoltaic microgrid supply-demand control system containing distributed energy sources, aiming at improving system stability, scheduling response capability and economy. A 24-hour operation plan of a photovoltaic microgrid is calculated by predicting photovoltaic and local load power values and after fully considering the running cost of distributed power supplies, during running, the operation plan is revised in real time by the supply-demand system according to the latest photovoltaic and load prediction results, finally, the operation plan and grid-connected point power serves as input of the control system, and the output power of each distributed power supply is controlled. By the design method, the operation plan can be adjusted in real time, supply-demand stability in the system and response to high grid are effectively guaranteed, and meanwhile, maximum running benefit of the photovoltaic microgrid is achieved

The invention discloses a trace ion response hydrogel and a preparation method thereof. The trace ion response hydrogel is formed by copolymerizing 1-vinylimidazole, acrylonitrile and cross-linking agents through free radical polymerization, two ends of a molecular chain of a cross-linking agent molecule are provided with carbon-carbon double bonds, a main chain structure of a polyethylene glycol molecule is positioned in the middle of the molecular chain, and the trace ion response hydrogel is prepared through a free radical polymerization reaction under an anaerobic condition. The trace ion response hydrogel is capable of achieving effects of shape memories through complexation and decomplexation actions with metal ions.