77results about How to "Avoid high fees" patented technology

The embodiment of the invention discloses a method and a device for controlling data traffic. The method comprises the following steps of: determining a state that current data traffic occupies scheduled monthly subscription traffic; and determining a corresponding scheduled policy according to the state, reminding a user and controlling a current service. The device comprises a state determining module used for determining the state that the current data traffic occupies the scheduled monthly subscription traffic; and a policy determining module used for determining the corresponding scheduled policy according to the state acquired by using the state determining module, reminding the user and controlling the current service. By adopting the method and the device of the invention, the data traffic of the user can be reminded aiming at monthly subscription actively and the benefits of the user can be protected by adopting a control policy after monthly subscription traffic is exceeded.

The invention discloses an extra-long station spacing emergency communication method. In the method, optical amplification devices are arranged at two line interruption ends; and a new optical transmission channel is established in the middle of a line by using an optical cable, and comprises a forward error correction (FEC) coding device, a power amplifier EDFA-BA, a Raman amplifier FRA, a preliminary amplifier EDFA-PA and dispersion compensation equipment DCM which are configured in turn, wherein the power amplifier EDFA-BA is connected with the Raman amplifier FRA by using a G.652 optical cable. The extra-long station spacing emergency communication method can reduce the use of relay equipment, solve the problems of optical fiber line interruption, relay station damage or maintenance, optical fiber ageing and the like of an electric power system; and by configuring different optical amplification schemes, a new transmission channel can be quickly established by using redundant or backup optical fibers, thereby fulfilling the aim of emergency communication.

This invention disclose an access method for combing IP network and wire TV network including a protocol stack comprising a physical layer, a data link layer, a network layer, a transmission layer and an applied layer to realize forward of IP/DVB multicast data from wire TV network to LAN and help the LAN users to receive the IP/DVB multicast data transferred by the wire TV network and access external IP network and interact with far distance servers to form an interaction loop. A device is disclosed containing a multicast route forward process module and a network address conversion process module and three interfaces, one is connected with the wire TV network receiving downstream IP/DVB multicast data, the other interface is connected with the external IP network and the third one is connected with the internal LAN.

The invention discloses an alkaline earth metal saponification and extraction method of an acidic extractant. In the method, a saponification reaction is performed on alkaline earth metal oxides, hydroxides or carbonates directly to obtain an alkaline earth metal saponification salt of the acidic extractant and water; saponification water only contains a very small amount of saponifying agent residue and a very small amount of spent acid; clarified saponification water is recycled; and after recovering a small amount of organic phase, redundant saponification water can be discharged after being neutralized and filtered. The method not only realizes the direct saponification of the acidic extractant by using the low-cost and easily-obtained alkaline earth metal oxides, hydroxides or carbonates, but also solves the problems of consuming chemical raw materials such as a chloride, an ammonium salt and the like and generating harmful waste water in the prior art and simultaneously solves the problem of environmental pollution caused by ammonia nitrogen or high cost for treating ammonia nitrogen pollutants. In the extraction method, saponated alkaline earth metal ions are eluted by adopting an extraction raffinate, so the situation that the extraction raffinate is polluted by alkaline earth metal elements is avoided.

The invention discloses a high-strength confined concrete supporting system applicable to an underground tunnel. The high-strength confined concrete supporting system comprises multi-truss confined concrete arch frames, wherein the confined concrete arch frames support tunnel surrounding rock and are successively distributed along a tunnel, two adjacent confined concrete arch frames are connected with each other by virtue of a longitudinal connection mechanism to perform the arch frame positioning and assembling, and after the arch frames are well installed, ordinary connection reinforcing steel bars are welded to form the supporting system; and a plurality of layers of reinforcing steel bar nets are arranged at the surrounding rock side and the tunnel side, and the supporting system and each reinforcing steel bar are sprayed with a concrete spray layer. By adopting the high-strength confined concrete supporting system, the arch frames and the concrete spray layers are well bonded and are not stripped under the load of the surrounding rock, and reinforcing ribbed plates are welded on the arch frames; the adjacent confined concrete arch frames are automatically connected by virtue of longitudinal connecting ribs with a snap spring or are connected in a welding manner by virtue of the ordinary reinforcing steel bars; and for the part of each arch frame with relatively high stress, the reinforcing steel bars or steel plates are used for reinforcement.

The invention provides a virtual simulation and evaluation method for in-orbit maintenance of a manned spacecraft. The method comprises the following steps: step 1. establishing a digital-human model necessary for in-orbit maintenance simulation; step 2. establishing an maintenance operation module necessary for the in-orbit maintenance simulation; step 3. carrying out virtual simulation on an in-orbit maintenance process; and step 4. evaluating the visibility, reachability and comfort of a virtual simulation result of the in-orbit maintenance process. The step 3 comprises: establishing a three-dimensional model necessary for the maintenance simulation, wherein the three-dimensional model comprises a spacecraft three-dimensional model, a maintenance tool three-dimensional model and a three-dimensional model of an auxiliary maintenance facilities; establishing a virtual simulation scene; introducing the three-dimensional model and the digital-human model into the virtual simulation scene, and arranging the same in place; and establishing a simulation script of the in-orbit maintenance process according to an in-orbit maintenance process scheme, and carrying out virtual simulation on the in-orbit maintenance process. The virtual simulation and evaluation method provided by the invention can be used for accurately simulating the in-orbit maintenance operation and avoiding the high cost of a flume experiment.

The invention relates to the field of welding technology, and discloses a method for welding a pin of a component and an apparatus thereof. The method herein comprises welding the component pin to a PCB board by using laser and a wire feeder, wherein the laser refers to a single beam laser. During welding, the laser supplies heat to the tip end of the component pin, and the wire feeder delivers the wire to the tip end of the component pin. According to the invention, the laser supplies heat to the tip end of the component pin instead of a coated copper layer on the PCB board, and the wire feeder delivers the wire to the tip end of the component pin instead of the coated copper layer on the PCB board. Thus, the method herein is applicable to welding pins of all plug-in types of components with no concerns of the morphology of the cross section or the size of the cross section area, or factors like heat radiation property of the coated copper layer. The method herein has the advantages of short pre-heating time, simple modulation, and a wide range of application.

The invention discloses a blade-root bolt fracture fault detection method which comprises the steps of S01, selecting multiple characteristics for preprocessing, standardizing three variables describing the running status of a blade by adopting mean value-variance, then summing, and outputting; S02, using data without bolt fracture fault for training an LSTM normal model; using data before bolt fracture fault occurrence for training an LSTM fault model; putting the data of S01 into the LSTM normal model and the LSTM fault model, and extracting an error vector characteristic; S03, substitutingthe error vector characteristic into a random forest algorithm for training a random forest model; and substituting fan operation data into the random forest algorithm model for carrying out fault diagnosis. The invention further discloses a computer readable storage medium stored with a computer program, and the program implements the method when being executed by a processor. The detection method and the medium provided by the invention have the advantages of high automation degree, high detection accuracy, cost reduction and the like.

The invention discloses a simple pendulum milling head based uniaxle rotating platform. It includes milling head (1), electro main axle of milling head is installed in the main electro axle box (2). The simple pendulum milling head in the invention also includes the uniaxle rotating platform (4) which is drove by alternating current permanent-magnet synchronous external rotor torque motor, the uniaxle rotating platform (4) is installed horizontally; the main electro axle box (2) is fixed on the face plate (5) of uniaxle rotating platform (4) by latus. The simple pendulum milling head bases on the uniaxle rotating platform in the invention, designs the simple pendulum milling head using the uniaxle rotating platform, reduces the design and manufacture difficulty greatly, separates the original integral complex main axle box body into connection method of uniaxle rotating platform face plate, thus omits the trouble of big box body casting, avoids the high cost of inner hole fine finishing of box, can realize simple pendulum milling head rapidly pendulum Head and save a lot of production costs.

The invention relates to a high-accuracy sunlight simulator, and belongs to the technical field of sunlight simulating. The sunlight simulator comprises a main light source and filtering device, an auxiliary light source and filtering device, power sources, a temperature detection module, an irradiance detection module, a spectrum detection module, a time control circuit and a main control system for being connected with the functional parts. According to the high-accuracy sunlight simulator, a xenon lamp is used as a main light source, and LED lamps capable of adjusting the illumination intensity serve as auxiliary light sources; under the condition that a xenon-lamp light source is aged (in other words, the irradiance of light emitted by the light source is reduced, and a spectrum is shifted), as the LED-lamp auxiliary light sources are automatically adjusted, the irradiance output by a system on the measuring position is basically invariant, and the spectrum matching rate is basically invariant; the influence of the temperature on the accuracy of the irradiance of output light can be removed through the sunlight simulator.

The invention provides a fluorene rare earth metal catalyst, a preparation method and an application thereof. The fluorene rare earth metal catalyst has a structure expression showed as a formula (I), wherein R represents hydrogen, C1-8 silane group, C1-8 amino group or C1-8 alkoxyl group; R' represents hydrogen or C1-8 alkyl group; Ln represents a rare earth element of an element periodic table III B; and N represents 0 or 1. The novel fluorine rare earth metal catalyst can be used for catalyzing an olefin coordination polymerization reaction, a carbon dioxide and epoxide polymerization reaction and an alkyne polymerization reaction; multiple reaction types can be catalyzed by using the catalyst so that a possibility of realizing the application of the novel cationic-type rare earth metal organic catalyst in production and life is provided; and at the same time, the prepared fluorene rare earth metal catalyst has the advantages of good stability, regular shape, good stereo structure and high mechanical strength.

The invention provides a method for preparing paraxylene and propylene. According to the method, two reaction processes including an alkylation reaction between methylbenzene and methanol or/and dimethyl ether and an aromatization reaction of ethylene are coupled. An ethylene-rich C2<-> component in by-products of the alkylation reaction between methylbenzene and methanol or/and dimethyl ether for preparation of paraxylene is recycled to undergo a shape-selective aromatization reaction so as to highly selectively prepare paraxylene and propylene.

The invention relates to a roaming prompting method and apparatus, and belongs to the technical field of a mobile terminal. The method comprises the following steps: monitoring whether a mobile terminal is at a roaming state; and if the mobile terminal is at the roaming state, outputting roaming prompting information. According to the invention, through monitoring whether the mobile terminal is at the roaming state, when the mobile terminal is at the roaming state, the roaming prompting information is output, such that a user can be prompted timely, and high cost caused by random application of the mobile terminal due to unawareness of the user about the roaming state is avoided.

The invention provides construction of TRAIL (Tumor Necrosis Factor-Related Apoptosis-Inducing Ligand) recombinant bacille calmette guerin (rBCG), and relates to a shuttle expression vector comprising a signal peptide fragment of a major secretory antigen Ag85B of BCG and a gene fragment of a TRAIL and a construction method thereof. The obtained shuttle expression vector pMV261-Ag85B-TRAIL is used for constructing rBCGTRAIL, and can be applied to preparation of TRAIL rBCG for treating superficial bladder tumors, preventing postoperative recurrence thereof and preventing tuberculosis. The rBCG has dual functions of TRAIL and BCG, so that cooperative and synergistic actions of the TRAIL and BCG can be better brought into play; rBCG-TRAIL can secrete TRAIL, and the using amount of the rBCG-TRAIL can be lower than that of the BCG under the condition that the same or better immune effect is achieved, so that the toxic or side effect is reduced; and the rBCG-TRAIL can directly secrete TRAIL efficiently on a certain part, so that tumor cells can be killed in cooperation with the rBCG-TRAIL, and high cost caused by the use of a foreign cell factor is avoided.

The invention discloses a modular rapidly-formed water-cooling plate which is characterized by comprising a main collecting chamber, at least one main cavity as well as a collecting chamber matched with the main cavity, wherein a plurality of flow paths which penetrate through the main cavity and are used for flow of a coolant are arranged in the main cavity; a coolant accommodating groove I is formed in one side, which is fixed with the main cavity, of the main collecting chamber, and a coolant accommodating groove II is formed in one side, which is fixed with the main cavity, of the collecting chamber; and the main collecting chamber and the collecting chamber are fixed on two sides of the main cavity respectively through friction stir welding. According to the modular water-cooling plate, the thermal resistance is satisfied, meanwhile, the machining difficulty and the machining cost are reduced, the safety is improved, and the normal operation of a power module is facilitated.

The invention relates to a heavy anti-corrosion coating material. The material does not need solvent and comprises a main agent system and a curing agent system; graphene-modified polycaprolactone is adopted as a toughening agent in the main agent system, and the anti-corrosion coating material can be directly applied in a waterless environment or water environment through a hand coating method, an apply coating method and a brush coating method. By adopting the material and a using method thereof, the zero-solvent content is achieved; meanwhile, the long effectiveness of the anti-corrosion effect and thick coating are achieved, the technical problem of steel structure corrosion prevention in a severe environment of a splash zone is effectively solved, the constructability and protective capability of ocean engineering corrosion prevention are greatly improved, and the technical progress in the coating field in China is promoted; in addition, the engineering construction cost is greatly lowered, the expensive repair and maintenance cost and precious fresh water resources are saved for the state, and the good social and economic benefits are achieved.

The invention discloses a multi-network fusion system based on a virtual machine. The multi-network fusion system comprises a physical unit, the virtual machine, a VMM (Virtual Machine Monitor) and a user configuration unit, wherein the physical unit is a set of all hardware equipment in the system and is used for running virtual machine programs; the virtual machine is used for virtualizing virtual hardware equipment through virtualization software codes so that an application program runs; the VMM runs on the physical unit and is used for monitoring all virtual machines; and the user configuration unit is connected onto the VMM, and is used for receiving virtual machine configuration parameters from a user and sending the configuration parameters to the VMM. The multi-network fusion system effectively solves the problem that in the prior art, applications of different networks cannot be fused. The reusability of the hardware equipment is improved.

The invention relates to the field of color picture tube manufacturing, in particular to a master synthesis and contraposition process. In the prior art, a new master with new patterns consisting of a plurality of original master patterns repeatedly arranged is manufactured on a laser-beam plotter, and the cost of manufacturing the new master is high. The master synthesis and contraposition process comprises the following operating steps: copying a plurality of first films by a largeaperture original master; cutting unused parts of the first films; splicing and fixing the plurality of cut first films; copying a largeaperture master by the spliced and fixed first films; copying a plurality of second films by a small-bore original master, and cutting unused parts of the second films; taking the largeaperture master as reference, and performing accurate contraposition on the cut second films and the largeaperture master; fixing the plurality of second films; and finally, copying a small-bore master by the second films fixed in contraposition. The master synthesis and contraposition process has low cost of manufacturing the master, and accurate contraposition of the largeaperture and small-bore masters.

The invention discloses power adjustable secondary circuit energy consumption simulation test apparatus and method. The apparatus comprises a vapor generator simulation device which is connected with a plurality of condensation devices; communication between each condensation device and the vapor generator simulation device can be switched; each condensation device is connected with a water supply device which communicating with the vapor generator simulation device; a pressure stabilizing device is arranged between each condensation device and the corresponding water supply device; and the pressure stabilizing device communicates with all the condensation devices and all the water supply devices as well. The test apparatus and method can realize rapid and accurate regulation of the power of a secondary circuit, and realize the simulation of the whole secondary circuit system. The test apparatus has low cost, ensures the test accuracy, has high operability, is convenient to realize, and provides a whole solving scheme of secondary circuit system test simulation for overall simulation test systems of nuclear reactors.

The invention belongs to the technical field of gene chips, relates to a Chinese wolfberry 40K liquid phase chip and application, and in particular relates to a Chinese wolfberry 40K liquid phase chip which is developed by utilizing a targeted capture sequencing technology and is used for genotyping a Chinese wolfberry genome. The lycium barbarum 40K liquid phase chip comprises a lycium barbarum 40K site probe mixed solution and a hybridization capture reagent, the Chinese wolfberry 40K site probe mixed solution comprises a Chinese wolfberry 40K SNP site probe and 165 Chinese wolfberry SNP functional site probes, and two capture probes are arranged at each site on average. The Chinese wolfberry 40K liquid phase chip overcomes the defect of high application cost of genetic diversity analysis, QTL positioning and GWAS analysis of Chinese wolfberry in scientific research, solves the problem that no applicable product exists in Chinese wolfberry molecular assisted breeding and whole genome selective breeding, and accelerates the Chinese wolfberry research and breeding process.

The present invention discloses a multi-data center management method and a system. The method comprises the following steps: setting multiple data centers, setting dashboard for each data center; the user using the dashboard of the first data center to manage the first data center; the user switching to the dashboard of the second data center, verifying user information automatically through single sign on, and managing the second data center. Each data center of the present invention is provided with an individual dashboard in charge of the management, which resolves the single point failure and performance bottleneck problems of the dashboard. The interaction of the dashboard and the data center service uses the intranet, which greatly improves the safety and avoids the huge cost of using special line.

The invention relates to a device for detecting connection strength. The device is used for detecting connection strength between a first fixing part and a metal plate and comprises an upper clamping part, a lower fixing base and at least two second fixing parts; when the connection strength is detected, the metal plate which is connected with the first fixing part is fixed between the upper clamping part and the lower fixing base by means of the at least two second fixing parts, then by the aid of the upper clamping part, a tension device applies a set pull force to the first fixing part and the metal plate which are connected with each other, and deformation displacement between the first fixing part and the metal plate is detected to determine whether the connection between the first fixing part and the metal plate is effective. The invention further relates to a method for detecting the connection strength. The device and the method for detecting the connection strength are simple, convenient and low in cost.

The invention discloses a design of a portable backup UPS (uninterrupted power supply) added to a tower lighting circuit. The portable backup UPS comprises a box body, wherein the box body is of a rectangular structure; a main circuit board and a storage battery are arranged in the box body; a handle is arranged at the top of the box body; a cooling fan, state indicator lights, a startup button, ashutdown button, an input cable and an output cable are arranged at the side of the box body; a terminal plug is arranged at one end of the input cable; a terminal board faucet is arranged at one endof the output cable; one end, far away from the terminal plug, of the input cable and one end, far away from the terminal board faucet, of the output cable are connected to the main circuit board; the main circuit board comprises a first fuse, a main switch, a detection control circuit, a step-down rectifier circuit, a charging circuit, a boost inverter circuit, a first switch, a second switch and a second fuse; and the terminal plug is connected with the first fuse through the input cable. An emergency uninterrupted lighting power supply is provided, and the portable backup UPS is convenientto carry, good in economic benefit and simple in operation.