356results about How to "Rapid isolation" patented technology

Method and apparatus for determining a metric for use in predicting properties of an unknown specimen belonging to a group of reference specimen electrical devices comprises application of a network analyzer for collecting impedance spectra for the reference specimens and determining centroids and thresholds for the group of reference specimens so that an unknown specimen may be confidently classified as a member of the reference group using the metric. If a trait is stored with the reference group of electrical device specimens, then, the trait may be predictably associated with the unknown specimen along with any traits identified with the unknown specimen associated with the reference group.

Method and apparatus for determining a metric for use in predicting properties of an unknown specimen belonging to a group of reference specimen electrical devices comprises application of a network analyzer for collecting impedance spectra for the reference specimens and determining centroids and thresholds for the group of reference specimens so that an unknown specimen may be confidently classified as a member of the reference group using the metric. If a trait is stored with the reference group of electrical device specimens, then, the trait may be predictably associated with the unknown specimen along with any traits identified with the unknown specimen associated with the reference group.

The present invention provides novel hydrogels and methods of making and using such hydrogels. The present invention provides hydrogels that may be formed by the self-assembly of peptides in solution. Such self-assembly may be brought about by a change in one or more characteristics of the solution. Characteristics of the solution that may be changed include pH, ionic strength, temperature, and concentration of one or more specific ions. In addition, hydrogels of the invention may be disassembled by changing one or more characteristic of the hydrogel such as pH, ionic strength, temperature, and concentration of one or more specific ions.

A computer-implemented method and system for validating a baseline of a project. A computing application executes routines to automatically identify baseline errors associated with one or more tasks and generate exception reports to facilitate correction of the errors. The baseline errors are identified via determinations of whether (1) a task has no resources assigned, (2) resources are assigned to a summary task, (3) a task has an invalid earned value method value, (4) a task or milestone was not baselined, (5) a task's baseline start date was manually updated, (6) a task's baseline finish date was manually updated, (7) a task's baseline cost (BAC) was manually increased, (8) a task's BAC was manually decreased, and (9) a task's budgeted cost of work performed is not equal to the task's BAC.

The invention discloses an electric marketing service application system, and a construction method and platform thereof. The electric marketing service application system comprises an SaaS cloud platform, a PaaS cloud platform and an IaaS cloud platform; an electric marketing service application constructed based on a micro-service architecture is arranged on the SaaS cloud platform; the electric marketing service application comprises an interface micro-service, an API gateway and a micro-service set including multiple electric marketing micro-services; each electric marketing micro-service in the micro-service set uniquely corresponds to a corresponding basic service in electric marketing; and furthermore, any electric marketing micro-service is a micro-service, which is obtained by performing micro-service development of the corresponding basic service, wherein the architectural pattern of the micro-service architecture is an architectural pattern having the characteristics of independent development, independent testing, independent deployment and independent operation. By means of the electric marketing service application system, and the construction method and platform thereof disclosed by the invention, the fact that the electric marketing service application system can be suitable for rapid development tendency of current electric marketing services can be ensured.

A process and apparatus for purifying one or more target substances from a source liquid, employing one or more cross-flow filter elements, and one or more types of chromatography resins, in combination, to provide purification with advantageous yield, product purity, and cost- and time-efficiency.

The invention relates to a protection configuration method of a flexible direct-current (DC) transmission system of a modular multiple-level converter, which comprises the steps of: using three layers of protection configuration, i.e., a submodule layer, a converter valve layer and a convertor station layer; setting a submodule layer protection function in a submodule controller; setting in a valve based controller (VBC) by the converter valve layer aiming at a failure protection function of a single converter valve; and realizing functions of failure protection of the converter station layer and a DC system in a system control protection equipment PCP (Primary Control Program). The method provided by the invention ensures that the flexible DC transmission system can rapidly carry out a protection action under an abnormal working condition, prevents overstress from continuously developing and isolates a failure assembly.

The invention relates to a modified spin column for the isolation and purification of plasmid DNA. A pre-filtration disc is included in a traditional spin column. During plasmid DNA isolation, the lysate can be loaded directly to the modified spin column, eliminates the need to first remove the flocculants containing cellular debris. This results in a much shortened process. Variation of the invention includes a depth filter in between the pre-filtration disc and the main separation matrix. Also provided are kits for isolation of plasmid DNA including the modified spin columns.

The present invention provides novel hydrogels and methods of making and using such hydrogels. The present invention provides hydrogels that may be formed by the self-assembly of peptides in solution. Such self-assembly may be brought about by a change in one or more characteristics of the solution. Characteristics of the solution that may be changed include pH, ionic strength, temperature, and concentration of one or more specific ions. In addition, hydrogels of the invention may be disassembled by changing one or more characteristic of the hydrogel such as pH, ionic strength, temperature, and concentration of one or more specific ions.

The invention relates to a modified microspin system for the isolation and purification of plasmid DNA. A disposable pre-filter column is used in combination with the traditional microspin column for increase speed and quality of plasmid DNA preparation. The disposable pre-filter column includes a pre-filter and a depth filter for optimal result. During plasmid DNA isolation, the lysate can be loaded directly to the assembly including the disposable pre-filter column and the microspin column. A quick spin causes the plasmid DNA to bind to the microspin column while the flocculents remain on top of the disposable pre-filter column, eliminates the need to first remove the flocculants containing cellular debris. This results in a much shortened process. Also provided are kits for isolation of plasmid DNA including the pre-filter column and the microspin columns.

The invention discloses a system and method for collecting human health data in real time. The system comprises a health data measurer carried by a user, a data reader, an execution mechanism, a datamonitoring center, and an epidemic situation control center. Health code data can be transmitted to the health data measurer. The health data measurer is worn on a hand of a user. A wrist temperaturesensor is arranged in the health data measurer; the wrist temperature sensor can detect the temperature of the wrist of a human body in real time; health code data can be transmitted into the health data measurer through mobile phone Bluetooth communication. With the system and method, respiratory tract infectious diseases with large transmissibility can be prevented; the people with abnormal health data and people in close contact with the people with abnormal health data within 0-30 days in the past can be locked rapidly, and isolation measures can be taken rapidly, so that the infection source is isolated and a propagation path is cut off.

Methods of the invention include the isolation of intact, viable microorganism(s) from positive blood culture (“PBC”) samples for use in downstream analyses such as identification and antimicrobial susceptibility testing (“AST”). The methods involve collecting a portion of the PBC sample, adding a choline-containing solution, lysing the blood cells, isolating the viable microorganism, and performing downstream analysis of the isolated, viable microorganism. The methods can be applied to a variety of gram-positive bacteria, gram-negative bacteria, and / or yeast, and particularly to strains of S. pneumoniae.

The invention discloses an energy management system of offshore grid, comprising an information layer, a station control layer and a spacing layer, wherein the information layer, the station control layer and the spacing layer are respectively arranged in a central control station and the platform workstations of a plurality of offshore platform power stations distributed in a sea area; the station control layer is connected and communicated with the information layer and the spacing layer through a communication network; the system carries out the monitoring and control of each generator set, the monitoring and control of each breaker, the distribution, adjustment and control of the reactive power and reactive power contribution, the control of the preferential trip, the management and control of the loop start of a motor, and the cooperative control of the black start of the grid and a platform shutdown system through the information layer, the station control layer and the spacing layer. The invention has the characteristics of high channel speed and degree of automation, highly integrated function, safe and reliable work, easy maintenance, and flexible configuration.

A collector for a negative pressure wound therapy system has a soft collecting bag with a gas-permeable unit and a liquid absorber. The collecting bag is connected to a wound-dressing unit via an inlet connecting set and is connected to a sensor assembly via a detecting connecting set. With the soft collecting bag, the collector occupies less volume. By the gas-permeable unit and the liquid absorber, the liquid and gas entering into the collecting bag quickly isolate. Moreover, multiple collectors connect in series to form a collector combination to reduce the frequency to replace the collector combination so that a longer usage time of the collector combination is available.

The invention discloses an intelligent distributed rapid protection and fault isolation method of a self-adaptive power distribution network. A terminal collects and gathers electric quantities of incoming wires and branches as well as network topology information of an interval node; rapid peer-to-peer network communication is used to send the electric quantities and network topology information of the interval node and receive and process electric quantities and network topology information from upstream and downloads nodes, and online information of terminals of the upstream and downstream nodes are monitored in real time; according to adaptive fault determining conditions and combined logics preset for single-feed-line network, ring network and petal network structures of the distribution network, a fault type and a fault area of the power distribution network can be determined and identified rapidly when the power distribution network is in a fault condition; and a control signal is output to protect a rapid tripping port, and a corresponding switch is tripped to isolate a fault. The method can be applied to the intelligent power distribution network, and realizes fault analysis and rapid fault isolation when complex network structures, as the single-feed-line network, ring network and petal network structures, of the power distribution network have faults, and the power supply reliability of the distribution network is improved effectively.

Methods and apparatuses for manufacturing photovoltaic products include an assessment of each product in a production line for suitability, and assigning a grade based either on assessment of the product at that step, comparison to statistical analysis of assessment results of previous products at that step or comparison of previous assessment results of past steps compared to statistical analysis of cumulative assessment results of past products at those steps. Products can be associated into groups for processing as a group based on the grades and downstream equipment can be adjusted based on the grade of the group to bring the group within determined tolerances.

The invention discloses an intelligent distribution network area protection control system and a control method. The system is mainly composed of intelligent distributed devices, a flexible and straight coordination controller. By exchanging GOOSE real-time information with each other, Under the fault condition, the active defense control, fault crossover control of flexible multi-state switches and the fault recovery control of cooperation between conventional contact switches and flexible multi-state switches can realize the fast location and isolation of distribution network faults and thefast transfer of non-fault sections, and improve the reliability of distribution network power supply.

The invention discloses a method for protecting a low-voltage bus of an intelligent substation. The method is achieved through a bus protection device and branch protection measuring and control devices connected with the bus protection device in a cooperation mode, the bus protection device is started through steady current overflowing elements and current variable quantity elements of the active branch protection measuring and control devices, action allowing signals are sent to the bus protection device through power direction elements or the current overflowing elements of branches, and bus composite voltage blocking elements are adopted as the open condition of a bus fault. Internal and external faults of a bus region are judged by the bus protection device in the mode of combining starting signals and the action allowing signals, when the three conditions are met at the same time, the bus fault is judged, the bus protection device acts to remove the faulted bus, and a fault of a segmentation dead region and a fault of a transformer low-voltage side dead region can be judged and isolated. The bus faults with voltage classes of 35 kV and below can be removed fast and accurately, and the method can be directly applied to a digital substation or the intelligent substation.

A method for producing a clone of an immortalised human B memory lymphocyte, comprising the step of transforming human B memory lymphocytes using Epstein Barr Virus (EBV) in the presence of a polyclonal B cell activator. The method is particularly useful in a method for producing a clone of an immortalised human B memory lymphocyte capable of producing a human monoclonal antibody with a desired antigen specificity, comprising the steps of: (i) selecting and isolating a human memory B lymphocyte subpopulation; (ii) transforming the subpopulation with Epstein Barr Virus (EBV) in the presence of a polyclonal B cell activator; (iii) screening the culture supernatant for antigen specificity; and (iv) isolating an immortalised human B memory lymphocyte clone capable of producing a human monoclonal antibody having the desired antigen specificity.

The invention discloses a novel positive sequence impedance differential protection method of a microgrid. The method comprises the following steps of acquiring a three-phase current and a three-phase voltage in real time, and further calculating positive sequence impedance at a protection installation position; carrying out calculation of action impedance and braking impedance; judging whether a differential protection region is a fault section or not by a local-side protection device after receiving positive sequence impedance information of an opposite side of the differential protection region through a communication network; and additionally arranging a phase-comparison distance component in a detection blind region subjected to the positive sequence impedance differential protection for identifying a three-phase metal fault. The method can be suitably used for two running states of grid connection and island of the microgrid, the influence of through current and large transition resistance on fault detection during a fault is fully considered, moreover, the method is implemented without the assistance of synchronous signal acquisition and a fault component, the complicated network structure of the microgrid and the problem brought to microgrid protection by variable running states are effectively solved, and the protection selectivity and reliability are ensured.

The invention provides a turn-to-turn zero-sequence differential protection method and device for the valve side winding of a series transformer. The turn-to-turn zero-sequence differential protectionmethod comprises the following steps: firstly calculating the starting threshold value and braking coefficient of zero-sequence differential current, then determining zero-sequence differential current starting criterions and valve side winding turn-to-turn zero-sequence differential protection criterions, and finally judging whether valve side winding turn-to-turn zero-sequence differential protection is of actions. In the turn-to-turn zero-sequence differential protection method for the valve side winding of the series transformer provided by the invention, when a small turn-to-turn fault occurs in the valve side winding, under the premise that the protection of a unified power flow controller is free of action, turn-to-turn protection can be accurately and rapidly acted, rapid isolation of the turn-to-turn fault of the valve side winding is guaranteed, the valve side winding is avoided from being damaged, and safe operation of the series transformer is guaranteed.

The present invention is a short flow milling process wherein finished product is rapidly isolated and removed from the milling process flow regime at early stages. The minimization of handling and the minimization or elimination of intermixing streams of various size gradations prevents size contamination that otherwise necessitates further sifting. Component parts are eliminated along with the accompanying handling and transfer equipment to create a compact and efficient milling regime. The size reductions enable the invention to be practiced in a mobile form. Therefore, the present invention relates also to a method for providing a mobile mill process.

The invention relates to a power distribution network feeder protection and reconfiguration scheme based on an intelligent feeder terminal unit (FTU). The power distribution network feeder protection and reconfiguration scheme based on the intelligent FTU comprises the following processing methods: 1, acquisition and transmission of line real-time data by the FTU under the normal work state of the line; 2, selection of the FTU; 3, concrete strategy when short circuit fault occurs at the transient fault point; and 4, strategy when short circuit fault occurs at the permanent fault point. The power distribution network feeder protection and reconfiguration scheme based on the intelligent FTU has the advantages of realizing functions of effectively transmitting the feeder real-time data, monitoring the distribution network structure, quickly isolating fault and reconfiguring and realizing the corresponding functions of the original system configured with a master station and a secondary station by configuring the relatively simple background management machine, so that the independence of the FTU, the rapidity of fault clearing and the safety of the system are improved. The operation mode of the intelligent FTU is set, so that the intelligent FTU is based on a high-speed communication platform and does not completely depend on communication.

A precision forging technology of tooth forms of duplex straight toothed spur gears is characterized in that a forging technology and a closed forging die are used to manufacture all the tooth forms of two-stage step cylindrical gears of a duplex straight toothed spur gear; according to the forging technology, a round cake blank is used for one-time heating, all the tooth forms are forged and formed at a time, the forging die structure for precision die forging is of a closed impression structure, a tooth-form female die is of a big-end-up split structure, a die upper punch is a split tooth-form male die, a die lower punch is a tooth-form cushion type die and also serves as an unloading die, and the dies are guided and positioned through four sets of guiding pillars and guiding sleeves. The technological process of forging includes the steps that material is prepared and heated, forging is performed on a no-bottom-dead-centre screw press or a die forging press with the closed impression forging die, hot forged pieces are inspected and cooled, two end faces and inner holes are mechanically machined, gear products are subjected to cementation heat treatment, the gear products are finally inspected, and products are packaged and put in storage.

The invention relates to a DC power grid line fault protection method. The method comprises steps: travelling wave signals at each measurement point are monitored in real time, if a protected set threshold is reached, a corresponding DC circuit breaker is tripped, all circuit breakers are finally tripped to realize separation of three DC subsystems, and the control mode of each subsystem converter station is switched. According to the travelling waves acquired at the measurement point, whether the fault is subsystem internal fault or subsystem external fault is judged by each subsystem through a fault positioning logic. If the subsystem external fault is judged according to the fault positioning logic, the line of the fault is determined according to the fault positioning logic, or otherwise, the subsystem internal fault is judged. According to an instruction of a dispatching system, the control mode of each converter station and a power control instruction are changed. The technical scheme of the invention can effectively shorten time needed for fault positioning, and power transfer brought by large-range DC power grid locking and influences on the stability of an AC and DC system can be reduced as much as possible. The phenomenon that the disclosed method is not applicable along with complexity of the DC power grid structure does not happen.