406results about How to "Guarantee normal development" patented technology

The present invention discloses parallel mass data transmitting middleware of Internet of things and a working method thereof. The invention includes: a data collection module, for forwarding data collected from different types of sensors to an application interaction module after analysis; the application interaction module, for achieving communication between the parallel mass data transmitting middleware of the Internet of things and an application system of the Internet of things, analyzing a control command of the application system of the Internet of things, transmitting to the data collection module, and further transmitting the analyzed sensor data to a data management module; the data management module, for performing data screening, fusion, conversion on the mass data analyzed by the application interaction module, and finally storing the calculated data into the application system of the Internet of things; and a developing regulation module, for setting out a protocol plug-in regulation, a communication channel plug-in regulation, a service field metadata plug-in regulation, etc. The present invention can meet high concurrency access and management of the large scale sensing apparatus of different application fields, various communication channels and various communication protocols.

The invention relates to a modified cotton fiber manufacturing method. It belongs to textile fiber material modification technique. It includes the following steps: boiling-off twisted cotton yarn and bleaching; processing selective oxidation reaction by putting the cotton yarn into periodate with 0.1-3g / L concentration at 30-60 centigrade degree for 1-2h; removing the oxidant; washing; dehydrating; drying; gaining oxidation cotton fiber with less than 25% strength stretch ratio; using the matter with -NH2, -OH active group to graft and cross link. Thus the cotton fiber is modified to gain multifunction composite cotton fiber. It can increase its wearability and addition value, expand application area, and solve the cotton fiber function in textile fiber material field.

The invention provides an automatic drive vehicle test scene construction method based on traffic accident case deconstruction. The method comprises the following steps of (1) extracting scene elements used for testing an automatic drive vehicle by analyzing characteristics of a real traffic scene; (2) arranging a test scene of the automatic drive vehicle, thereby generating test cases used for testing the automatic driving vehicle; and (3) arranging a test scene collaborative control system. The scene elements and typical features are analyzed and extracted through clustering analysis, and important parameters in the real traffic scene are converted into test parameters in combination with cause analysis, so that an automatic drive urban complex traffic scene safety adaptability test evaluation method suitable for industrial development and third-party certification evaluation is constructed.

The invention relates to a vitrification reagent used for reproduction freezing, a kit and a use method thereof. The vitrification reagent used for reproduction freezing comprises an intracellular vitrification reagent, the intracellular vitrification reagent comprises a transmembrane carrier and a cryoprotectant enveloped in the transmembrane carrier, and the cryoprotectant is selected from a saccharides cryoprotectant, a sugar alcohol cryoprotectant or an amine cryoprotectant; and therefore, by adopting the vitrification reagent, the toxicity of cryoprotectant to cells can be greatly reducedwhile avoiding forming of ice crystals in the cells, the survival rate of the cells is increased, and the normal development of the cells is ensured.

The invention discloses an additive of calcium magnesium hydrogen-rich water. The additive comprises a hydrogen production agent and a pH (Potential of Hydrogen) conditioning agent, wherein the hydrogen production agent can be a calcium simple substance, a magnesium simple substance, a combination of the calcium simple substance and the magnesium simple substance or calcium-magnesium alloy; the pH conditioning agent is edible acid or salt which is in a solid state under normal temperature; the additive of calcium magnesium hydrogen-rich water is made into a tablet or a bagged product which contains 0.1mmol to 3mmol hydrogen production agent and is packed in a sealing way, a vacuum way or by a water permeable film. The additive of calcium magnesium hydrogen-rich water can solve the defectsin the prior art that: 1. the reaction between magnesium and water is slow at normal temperature; 2. the generated magnesium hydroxide after reaction prevents the further reaction between the hydrogen production agent and water and needs to be removed through cleaning by acid after the additive is used for a period, so that inconvenience is brought to a user; 3. the generated magnesium hydroxide is not effectively utilized; and 4. part of soluted magnesium hydroxide enters drinking water, thereby causing the situations that magnesium is replenished independently and the intake of magnesium ishigh, so that absorption of calcium is restrained, and hypermagnesemia can be caused possibly by combination of high intake of magnesium and renal dysfunction.

The invention discloses a data security transmission method based on a message queue, and relates to the field of data security application in the field of information and communication technologies. In order to ensure data security, an electric power company deploys a strong isolating device of the state grid between internal and external networks, which is mainly suitable for the transmission of small data, the transmission efficiency of large files is low, and the real-time communication response time is long. The data security transmission method of the invention includes a method for transmitting data from an external network to an internal network and a method for transmitting data from an internal network to an external network. In the technical scheme, an original strong isolating device gateway is replaced with a forward and reverse gateway device and the message management of the forward and reverse gateway device is realized by ToprowMQ, so as to allow the access of external network services to internal network applications and the access of the internal network applications to the external network services to facilitate data sharing; and furthermore, MQ pre-message services and MQ message management services are added for the internal and external networks for message communication with the MQ gateway, the efficiency is improved, the normal operation of all existing application systems are ensured, the efficiency and quality of the internal and external network penetration are improved, and the data transmission efficiency and response speed are increased.

The invention discloses a WiMAX system as well as a device and a method for defending DDoS attack. The method comprises the following steps of: configuring one ore more illegal packet intercepting modules between a base station and an access gateway in the WiMAX system, and then carrying out legal detection to upstream data transmitted by a terminal through the base station by using the illegal packet intercepting modules, if judging that the upstream data is legal data, directly transmitting the upstream data to the access gateway and then transmitting to an application server by using a main network; and if judging that the upstream data is illegal data, intercepting the upstream data. The method is further used for notifying the base station to carry out bandwidth limitation to the terminal sending the illegal data after intercepting the illegal data, and then recording a detection log and generating alarm. The device and method can effectively defend DDoS attack launched by a large number of terminals in the network, thereby enhancing the safety of the network and ensuring the stability of a wireless network.

The invention provides a feed addictive for producing a multiple nutrient enriched functional egg rich in zinc, selenium, and omega-3 poly-unsaturated fatty acid,. The feed addictive comprises the following main components: 48-55 parts of linseed, 3.2-3.6 parts of organic selenium, 8.7-9.0 parts of zinc methionine and 35-39 parts of bean meal, wherein the organic selenium is a substance mainly comprising organic selenium chelate with the selenium content of 1,500-20,000ppm. After the feed is fed to the layer chicken, the contents of zinc, selenium and omega-3 poly-unsaturated fatty acid and other multiple nutrients are increased; in addition, the feed addictive is a natural organic chelate and highly utilized by human body. If people eat the functional eggs enriching zinc, selenium and omega-3 poly-unsaturated fatty acid and other multiple nutrients, three kinds of nutrients can be effectively supplemented by only eating one egg a day and simultaneously people do not worry the risk of cardiovascular diseases caused by the superscalar of acceptable daily intake of cholesterolcholesterol.

The invention discloses a black functional mulch dedicated for a fruit tree, which is prepared from the following raw materials in percentage by weight: 35-45% of LLDPE(Linear low density polyethylene), 6-15% of LDPE(Low-density polyethylene), 5-12% of HDPE (High-density polyethylene), 15-25% of mPE (polyethylene), 8-15% of black master batch and 5-12% of functional master batch of mulch dedicated for a fruit tree, wherein the functional master batch of mulch dedicated for a fruit tree comprises the following raw materials in percentage by weight: 30-45% of LLDPE powder, 5-12% of LDPE, 5-12% of HDPE powder, 5-15% of mPE, 4-12% of hindered amine light stabilizer, 1.5-3.5% of antioxidant, 1.5-3.5% of ultraviolet absorber, 1.5-4.0% of dispersant stearic acid, 1.5-4.0% of dispersant polyethylene wax, 2-8% of herbicide acetochlor and 5-9% of insulating agent. According to the black functional mulch dedicated for a fruit tree, the problem that the common black mulch has short service life (about 80 days) and is easy to age is solved. The service life of the black functional mulch is above 12 months which is more than four times of the service life of the common black mulch. In addition,the functional effects on collecting rain, conserving moisture, lowering and keeping temperature and preventing weeds in the whole root system development, growth and fructescence period of the fruittree can be ensured. In addition, the black functional mulch is a pollution-free production which is easy to recover and is friendly to the environment, and the ecological environment is powerfully protected. The black functional mulch is widely suitable for fruit mulching cultivation in areas with the rainfall capacity of 300-500mm, big temperature difference and low temperature.

The invention provides a method for acquiring user surface address information of an S1 interface of a serving gateway. The method mainly comprises the following steps that: a mobile management entity MME sends an indication message to an evolution base station eNB, and the indication message carries the user surface address information of the S1 interface of the objective serving gateway taking UE services of user equipment; and the eNB receives and analyzes the indication message to obtain the user surface address information of the S1 interface of the objective serving gateway. The invention also provides a mobile management entity and an evolution base station. The technical proposal provided by the invention provides a solving proposal for how the eNB acquires the user surface address information of the S1 interface of the serving gateway, thereby ensuring the normal expansion of user services.

The invention provides a feed additive for improving the quality of furs of fur-bearing animals, which is prepared from the following components in percentage by weight: 30-40% of Chinese herbal medicine mixture, 2-5% of unsaturated fatty acid composition, 10-15% of compound vitamin, 10-15% of composite trace element and the balance of carrier, wherein the Chinese herbal medicine mixture is prepared from the following components in parts by weight: 3-5 parts of epimedium, 1-3 parts of dodder, 2-5 parts of fleece-flower root, 3-5 parts of angelica, 1-2 parts of radix astragali, and 4-6 parts of codonopsis.

The invention relates to the field of rice cultivation methods and discloses a dry direct seeding cultivation method for rice. The dry direct seeding cultivation method for the rice comprises mechanically melting snow and dispersing moisture of the soil compulsively in old rice fields and preparing the soil by pulverizing through a rice field soil pulverizer in a high speed before seeding; deep applying 360 kg of prolonged and controlled release NPK (Nitrogen Phosphorus Potassium) compound fertilizer which is rich in microelement and has the effective dose of 50 %, 75 kg of diammonium phosphate or monoammonium phosphate and 18 kg of granular biological bacterial fertilizer to side positions 6 to 10 cm lower of rice seeds per hectare in one time and applying no fertilizer for the whole growth period; starting irrigating rice seedling at the rice period with four leaves and one center and manually replenishing water in the three water requirement critical period; weeding chemically; preventing and treating pest and disease damage; controlling rice blast. The dry direct seeding cultivation method for the rice has the advantages of solving the problems that the amount of labor used is large and the water is wasted during the rice cultivation process, increasing yield by 10 to 15 percent compared with water direct seeding, increasing yield by 5 to 10 percent compared with rice transplanting, being water saving, labor saving and mechanical in tilling, enabling tillering generation to be early and tillering number to be large, being good in soil permeability and enabling rice root system to be flourish.

The invention relates to a special clinical nutrition formula for gestational hypertension and a preparation method thereof. The special clinical nutrition formula comprises the following components: 25-35 parts of protein, 8-15 parts of fat, 35-45 parts of carbohydrate, 3-8 parts of dietary fiber, 0.6-1.2 parts of macroelement, 0.01-0.03 part of trace element, 0.005-0.02 part of fat-soluble vitamin, 0.08-0.2 part of water-soluble vitamin, 0.5-5 parts of dietary essence, 0.5-5 parts of medicinal-edible component, 0.1-1 part of natural plant compound and 0.1-0.4 part of new resource food, wherein the medicinal-edible component is at least one of flos chrysanthemi, sophora japonica, lotus leaf, wolfberry, oyster, phyllanthus emblica and radix puerariae; the components are made into powder in advance; the fat is made into powdered oil by a micro-capsule embedding technology. Through the screening and proportioning of the components, the nutrition formula provided by the invention can meet the comprehensive needs of a gestational hypertension patient; and meanwhile, by adding the component with a blood pressure reducing function, the blood pressure value of gestational hypertension is lowered, the risk of gestational hypertension is reduced, and the growth needs and normal development of a fetus are guaranteed.

A seed production base three-dimensional (3D) visualization geographic information system comprises a shooting device, a GPS (global positioning system) positioning device, a 3D laser-point cloud scanner, a 3D image generating unit, a 3D map model generating unit, a storage unit and a display subsystem; the shooting device is used for obtaining a realistic image of a seed base; the GPS positioning device is used for recording the geographic position information of each moving point when the shooting device obtains the realistic image; the 3D laser-point cloud scanner is used for collecting 3D spatial data of the seed base when the shooting device obtains the realistic image; the 3D image generating unit is used for compounding a 3D realistic video according to the realistic picture and the geographic position information; the 3D map model generating unit is used for generating a 3D map model according to the 3D spatial data of the base; the storage unit is used for storing the 3D realistic video, the geographic position information and the 3D map model; the display subsystem is used for displaying the 3D realistic image and the 3D map model.

The invention discloses a replacement gilt feed as well as preparation and using methods thereof. The formula of the feed comprises the following raw materials: 20-70% of corn, 0-30% of wheat, 0-20% of rice bran, 3-20% of wheat bran, 0-4% of rice bran and hull, 5-17% of soybean meal, 0-2% of soybean oil and 1.34-7.95% of feed premix, wherein the feed premix comprises a nutrition enhancer, feed additive, vitamin premix, microelement premix and a feed mildew removing agent; both the vitamin premix and microelement premix are mixtures containing carriers. The preparation method comprises the following very simple operating steps of mixing, smashing, conditioning, compressing and the like. According to the using method, different feed intakes are adopted according to different weights of gilts; the using method is simple and easy to handle; in the actual production process, the energy level and the source of replacement gilt daily ration can be effectively improved and increased, and thus the replacement gilt feed has extremely high market value.

The invention relates to a high-strength high-toughness petroleum drill pipe and a production method thereof. The steel composition of the petroleum drill pipe comprises the following components in percentage by mass: 0.22-0.35% of C, 0.17-0.30% of Si, 0.45-0.65% of Mn, 0.9-1.5% of Cr, 0.9-1.5% of Mo, 0.05-0.15% of V, 0.02-0.04% of Al, 0.05-0.20% of Ni, 0.01-0.06% of Ti, 0.001-0.008% of B, less than 0.005% of S, less than 0.008% of P and the balance of Fe. The manufacturing method of the petroleum drill pipe comprises the following steps: decarbonizing and refining the liquid steel containing the components to form steel billets and hot rolling into seamless steel tubes through a mandrel mill, wherein after being rolled into the seamless steel tubes, the steel tubes are needed to be subjected to the heat treatment processes of two-time quenching and high-temperature tempering so as to guarantee the strength and the toughness of the steel tubes. The petroleum drill pipe manufactured by adopting the method has a remarkable characteristic that a certain amount of austenite tough phases are dispersively distributed on a superfine lath martensite matrix so as to increase the strength and toughness of steel. The high-strength high-toughness drill pipe disclosed by the invention has the advantages that the yield strength can be up to 150-165KSI under the pressure of 1034-1138MPA and the room temperature longitudinal full-size impact toughness is greater than or equal to 100J.

The invention relates to an ultra-high-strength and high-toughness drill pipe body and its heat treatment process. The drill pipe body includes the following components in weight percentage: C0.20-0.28%, Mn0.50-0.6%, P≤0.010% , S≤0.005%, V0.1~0.30%, Al≤0.03%, 1.5%≤Cr+Mo+Ni≤3%, the balance is Fe and trace elements. The heat treatment process includes two times of quenching and one tempering, wherein, the first time of quenching is to heat the drill pipe body to 880-900°C, keep it warm for 30-60min, then take it out of the furnace, spray it with water at 10-40°C, and quench it. The temperature of the final pipe body is not higher than 100°C; the second quenching is to heat the drill pipe body to 800-870°C, keep it warm for 15-30 minutes, and then spray it with water at 10-40°C. The spraying time is not less than 10s; Tempering is to heat the drill pipe body to 560-650°C, keep it warm for 50-80min and then take it out of the furnace, air-cool to 200-300°C for straightening, and air-cool to room temperature. After heat treatment by the method, the mechanical properties of the pipe body can reach: yield strength 150-180Ksi (1033-1240MPa), elongation ≥ 15%, impact energy (longitudinal, -20°C, 3 / 4 size) ≥ 80J . Ductile-brittle transition temperature -45≤℃.

The invention relates to a batch identification device and identification method of a low-voltage court household-transformer relationship. The batch identification device comprises a housing providedwith a three-phase four-wire joint. A controller and a power router are arranged in the housing and are connected. The power router is connected with a court three-phase four-wire unit through a three-phase four-wire connector and smart electric meter data of the user are obtained by the carrier. The controller includes a main control chip, a data acquisition module, an electric meter clock comparison module, a court identification and analysis module, a data storage module, and a wireless transmission module; the data acquisition module, the electric meter clock comparison module, the courtidentification and analysis module, the data storage module, and the wireless transmission module are connected with the main control chip by wires. The wireless transmission module is used for connecting a cloud server through a network. With the identification device, smart electric meters under the jurisdiction of all court transformers are analyzed and identified and then whether the smart electric meters of all users are connected correctly is identified rapidly, so that the management of the low-voltage court household-transformer relationship is realized well.

The invention discloses a power assembly testing platform based on power data driving. The power assembly testing platform comprises a dynamometer controller, a first dynamometer, a first torque rotating speed sensor, a speed reducer, a second torque rotating speed sensor and a second dynamometer which are sequentially connected; the speed reducer is connected with a tested motor, the tested motoris controlled through a motor controller, the motor controller is connected with a power battery, and the power battery is used for providing electric energy; the power assembly testing platform further comprises a vehicle model, a wheel and tire model, road models, a driver model, a throttle model and road spectra; and the vehicle model, the wheel and tire model, the road model and the driver model are used for providing simulation functions based on a rack. According to the power assembly testing platform, the problem that matching verification of each subsystem of simulation variable working condition vehicles under variable parameters cannot be achieved in the prior art can be solved through a method of customizing driving working conditions and by combining the various road spectra,the various road models and the like which operate in the rack.

The invention discloses non-reactive organic feed for weaned piglets. The non-reactive organic feed for the weaned piglets is prepared from, by weight, 5-70 parts of corn, 1-20 parts of extruded wheat, 5-15 parts of whey powder, 5-30 parts of broken rice, 5-40 parts of flour, 5-20 parts of extruded soybeans, 5-20 parts of fermented soybean meal, 3-20 parts of milk powder, 1-10 parts of glucose or saccharose, 1-8 parts of fish meal, 1-5 parts of yeast extract, 0.3-2 parts of organic composite acidifier, 0.1-0.4 part of organic mineral substance premix, 0.5-1.5 parts of immunopolysaccharide, 0.1-0.8 part of calcium formate, 0.1-1.5 parts of calcium hydrophosphate, 0.1-1.5 parts of amino acid, 0.1-0.4 part of table salt, 0.05-0.3 part of choline chloride, 0.05-0.2 part of plant essential oil, 0.02-0.05 part of vitamin premix, 0.05-0.2 part of compound enzyme preparation and 0.05-0.5 part of mildew preventive. According to the feed, the immunity of the weaned piglets is fully stimulated, and the death rate and the onset risk are reduced; health and normal development of the gastrointestinal tract are guaranteed, the digestibility of the feed is improved, and the growth performance is improved; environmental pollution is relieved.

The invention discloses an intelligent student score self-analysis method. The method includes steps: S1, recording each-time examination subjects and subject scores of a student from the beginning of school; S2, comprehensively analyzing the each-time examination subjects and the subject scores of the student in a preset time period to obtain a student score analysis result. According to the method, the examination subjects and the subject scores of the student can be analyzed in a preset time period to obtain contrast of learning interests and learning outcomes of different subjects in different time periods. The intelligent student score self-analysis method is not only beneficial to analysis of development tendency and interest preference of the student in different subjects but also beneficial to providing of comprehensive and accurate learning effect test standards for the student to make it convenient for the student to adjust own learning conditions and learning states according to the analysis result obtained according to the method, so that comprehensive and healthy development of student achievements can be guaranteed.

The invention provides a gentiana macrophylla planting method for preventing successive cropping obstacles. The method includes the steps of land selection, soil preparation, planting, field management and harvesting, wherein low-temperature treatment is conducted on seeds before sowing, the seeds are soaked in concentrated sulfuric acid and 10-15 ppm gibberellin diluent, and the germination rate and survival rate of the seeds can be greatly increased. A continuous cropping agent is additionally applied during field management, organic matter, microorganisms and nutritional ingredients of soil are increased, release of allelochemicals of the root of gentiana macrophylla is reduced, the normal soil microenvironment can be kept, withering and lesions generated in the growth process of gentiana macrophylla can be avoided, the successive cropping obstacles can be prevented, the disease resisting performance of gentiana macrophylla is improved, use of pesticide is reduced, the stability and environment friendliness of the pesticide effect of gentiana macrophylla are kept, the quality of gentiana macrophylla is improved, and the yield of gentiana macrophylla is increased.

The embodiment of the invention provides a method and a device for acquiring network configuration information. The method specifically comprises the following steps: when a terminal device dials a number and needs to develop a network data service, a network drive interface of the terminal device standardizes an NDIS drive layer for issuing a message of inquiring the network configuration information to a wireless modem; and the NDIS drive layer acquires the network configuration information returned by the wireless modem and provides the acquired network configuration information for an application layer of the terminal device. Therefore, the method and the device can effectively acquire the desired network configuration information under the situation that the terminal device does not provide the functions of a DHCP client, successfully dial the number, carry out the network data service by Internet access and ensure the development of the normal service of the terminal device.

The invention relates to a method for promoting accumulation of heterotrophic microalgae oil through combination of melatonin and nitrogen deficiency, and belongs to the field of microalgae bio-technology. The method comprises the following steps: implementing heterotrophic culture of monoraphidium with the participation of a BG-11 basal culture medium which takes 10g / L glucose as a carbon sourceat a temperature of 24-26 DEG C, collecting algae cells in the later period of logarithmic phase of the monoraphidium, and diluting and re-suspending the algae cells via a BG-11 culture medium with nitrogen deficiency so as to obtain 0.85-1g / L inducing algae liquid; preparing 100[mu]mol / L melatonin mother liquid via absolute ethyl alcohol, adding the melatonin mother liquid to the inducing algae liquid so that melatonin concentration is diluted to 0.1-10[mu]mol / L, and implementing inducing culture at a temperature of 24-26 DEG C and under a light condition; and extracting oil in the algae cells via an organic solvent. The method provided by the invention is simple to operate, an algae cell inducing cycle can be shortened, an oil content can be improved and microalgae growth can be guaranteed; and such problems as biomass dropping, low oil content and the like in a microalgae industrial inducing process can be solved.

The invention discloses a Liftable fodder trough for pig raising. The fodder trough comprises a shell body, wherein a supporting base is firmly connected to the bottom of the left side of the shell body; a fodder block is disposed on the top part of the supporting base; a fodder trough is formed in the top part of the fodder block; a lifting plate is firmly connected to the right side of the fodder trough; an opening is formed in the left side of the shell body; a fixation plate is firmly connected to the left side of the inner cavity of the shell body; a through hole is formed inside the fixation plate; and the end of the lifting plate remote from the fodder block successively passes through the opening and through hole and extends to the inner cavity of the shell body. According to the invention, the lifting plate, the opening, the fixation plate, the through hole, a roller block, a roller, a lifting rod, a gear plate, a separation plate, a lifting hole, a motor and a gear are disposed, so that the height of the doffer block can be adjusted easily; operations are simple; use is convenient; the height of the fodder block can be adjusted correspondingly according to the height of pig individuals; and normal eating of all the pigs can be ensured, and normal development of the pigs is guaranteed.

The invention discloses an artificial feed for bactrocera dorsalis larvas. The artificial feed comprises the following components: a main agent, a filling agent, a preservative, an acidity regulator and water, wherein the main agent contains beer yeast and cane sugar; the filling agent contains wheat bran, finely crushed corn particles and sanitary paper pulp; the preservative contains methyl parahydroxybenzoats; the acidity regulator contains hydrochloric acid and an alkaline neutralizer or an acid neutralizer. The artificial feed for the bactrocera dorsalis larvas is simple, efficient, economical, practical, and easy to operate; the technical problem for largely and artificially feeding the bactrocera dorsalis indoors is completely solved, a large amount of uniformly-developing bactrocera dorsalis larva sources to be tested are provided for a steaming and quarantine treatment technology of mangoes and pawpaws exported to Japan, an important technical support is provided for smoothly exporting Chinese mangoes and pawpaws to Japan, important larva sources to be tested are provided for each future scientific experiment of the bactrocera dorsalis, the development of an artificial feeding technology of the Chinese bactrocera dorsalis is effectively promoted, and therefore, the organic combination of ecological, economical and social benefits is realized.

The invention relates to a system and method for local network terminal realizing multi user accessing. It mainly includes the following steps: local network terminal creating at lest virtual STA in local network, distributing temporary MAC address, and taking corresponding operation access based on the temporary MAC address. Thus, one STA needs start accessing identification process to multi operation providing end and form multi branch operation flow to start corresponding operation, plural virtual STA would be created to build up interconnection to system. Different operation flow based on different virtual STA, the operation would be ensured. The invention satisfies running several operation on the same local network terminal.

The invention discloses a performance test device for a projection objective lens based on a mask plate. The test device comprises a mask platform assembly, a mask platform aligning assembly and a mark detection assembly, wherein a mark array of the mask plate is imaged by the projection objective lens to form mark image points via the mask platform assembly, the mask platform aligning assembly is used to align and install the mask platform assembly, and the mark detection assembly is used to measure the mark array and mark image points of the mask plate to obtain wavefront information of the projection objective lens.

The invention discloses a service transmission method. when user activates, issuing router information of user to service provider, the router information including information of issuing party; transmitting downlink service data of the user, downlink service data being issued by service provider based on information of issuing party included in the router information. The invention also discloses a service transmission method: issuing router of destination network to which user belongs to service provider, the destination network router including strategy information and information of issuing party selected by the service provider from the destination network router; transmitting downlink service data of the user, downlink service data being issued by service provider based on information of issuing party included in the destination network router selected according to preset rule based on strategy information including in every destination network router. The invention also discloses a service transmission device and guarantees automatic switching of downlink data router when transmitting via standby GGSN.