1823results about How to "Fast analysis" patented technology

A combiner box is used to collect direct current from solar panels or other energy sources. The combiner box integrates all means necessary for ground fault detection, current monitoring, voltage monitoring, and power monitoring. The combiner box may include a communication interface suitable for Web enabled monitoring, electronic notifications of system status, and / or remote control of system functions. In one embodiment, the combiner box uses integrated circuits and printed circuit board technology to achieve new efficiencies in manufacturing, installation and system analysis at the string level. A separate hand piece may be used by installers to test the performance of the combiner box, installation of the solar panels, performance of the solar panels and connections between the solar panels and the combiner box.

A focus detection device includes an image sensor and a plurality of lenslets. Each of the plurality of lenslets has a distinct conjugate length and is associated with a distinct portion of the image sensor.

An ion separation instrument includes an ion source coupled to at least a first ion mobility spectrometer having an ion outlet coupled to a mass spectrometer. Instrumentation is further included to provide for passage to the mass spectrometer only ions defining a preselected ion mobility range. In one embodiment, the ion mobility spectrometer is provided with electronically controllable inlet and outlet gates, wherein a control circuit is operable to control actuation of the inlet and outlet gates as a function of ion drift time to thereby allow passage therethrough only of ions defining a mobility within the preselected ion mobility range. In another embodiment, an ion trap is disposed between the ion mobility spectrometer and mass spectrometer and is controlled in such a manner so as to collect a plurality of ions defining a mobility within the preselected ion mobility range prior to injection of such ions into the mass spectrometer. In yet another embodiment, an ion inlet of the ion trap may be electronically controlled relative to operation of the ion mobility spectrometer as a function of ion drift time to thereby allow passage therein only of ions defining a mobility within the preselected ion mobility range. The mass spectrometer is preferably a Fourier Transform Ion Cyclotron Resonance mass spectrometer, and the resulting ion separation instrument may further include therein various combinations of ion fragmentation, ion mass filtering, ion trap, charge neutralization and / or mass reaction instrumentation.

The invention relates to a droplet actuator device and methods for integrated sample preparation and analysis of a biological sample. A droplet actuator device is provided for conducting droplet operations. The droplet actuator device may include a bottom substrate and a top substrate separated from each other to form a gap therebetween; an arrangement of droplet operations electrodes arranged on one or both of the bottom and / or top substrates for conducting droplet operations thereon; a reagent storage layer comprising one or more compartments bound to the top substrate; and one or more openings arranged to provide a fluidic path from the one or more compartments into the gap, upon breach of a breachable seal separating the one or more compartments and openings.

An entrance slit of the spectrometer is illuminated with optical radiation. An optical component images the entrance slit to an optical modulator by the optical radiation and disperses the optical radiation into a spectrum. The spectrum is modulated by the optical modulator The optical component composes spectral non-dispersive measurement radiation of the spectrum and images the entrance slit included in the measurement radiation to an exit slit which may be the same one as the exit slit or a different one. Measurement radiation is detected from the entrance slit with a detector, which converts the measurement radiation into an electrical measurement signal.

A magnetic separation direct chemiluminescence reagent and the testing method, which uses the isoluminol derivatives as the immunity nano-magnetism tiny bead enwrapped by anti-goat FITC multiclonal antibody as the separating reagent, uses the NaOH (sodium-hydroxide) and H2O2 (oxydol) as the magnetization direct chemiluminescence reagent and the testing method of the illuminant marker; the invention is: the reagent is stabilization, non-polluted, non-decomposed and can not affect by the environment.

The invention relates to smart agreement analytical methods and devices used for intruding detection defense (IDS / IPS) and audit products. The purpose of the invention is to provide an agreement not to rely solely on the static ports and matching agreement characteristics of intelligent field protocol analysis technology and analytical format of the agreement is automatically adjusted in different versions of the software and gives accurate results, which enhanced the accuracy of the analysis of the agreement. The invention consists of three major steps: the establishment of agreements features model; agreement recognition; intelligent analysis of that agreement. This invention solved the traditional IDS / IPS products for the non-standard ports or did not have static characteristics of field data packet network protocol identification of problems but for some applications or different versions of the agreement, such as the reasons for the analytical results can provide automated error rectification work.

A method for object detection that utilizes a patterned background. Patterned backgrounds are chosen such that each reference image analyzed will have both light and dark pixels. The method calculates the difference between the expected value for the light pixels and the expected value of the dark pixels in the reference image. This difference is used to chose a threshold value. The difference in expected values for the corresponding pixels in a live image is calculated and compared to the threshold value. If the difference in expected values of the live image are less than the threshold value, object detection is indicated.

A method and framework are described for detecting changes in a multivariate data stream. A training set is formed by sampling time windows in a data stream containing data reflecting normal conditions. A histogram is created to summarize each window of data, and data within the histograms are clustered to form test distribution representatives to minimize the bulk of training data. Test data is then summarized using histograms representing time windows of data and data within the test histograms are clustered. The test histograms are compared to the training histograms using nearest neighbor techniques on the clustered data. Distances from the test histograms to the test distribution representatives are compared to a threshold to identify anomalies.

The invention discloses a dendrobe chromatogram finger print measuring method. The method comprises the following steps of: (1) cutting medical dendrobe, drying at low temperature, crushing, sieving for later use; (2) putting a proper amount of samples into a conical bottle, adding a proper amount of monohydric alcohol, performing ultrasonic treatment for 20 minutes, filtering, sprinkling filter slag by using the monohydric alcohol multiple times, combining filter liquors, and volatizing the filter liquors to near dryness; (3) dissolving by using the monohydric alcohol, fixing the volume, filtering by using a microporous filter membrane of 0.45 mum to be used as a sample solution; and (4) precisely sucking a comparison solution and the sample solution respectively, injecting into a liquid chromatograph for analyzing. The invention can obtain the chromatogram map conveniently and rapidly, and has easy obtaining of the raw materials, simple technology and advanced technique. According to the literature records, the variety of dendrobium plants used as the medical dendrobe is approximate to 100. The invention controls the product quality by using multiple components and multiple indexes, and has more reliable results, easy obtaining of the raw materials and simple technology compared with the quality control indexes.

The invention, which relates to the intelligent traffic industry, discloses a high efficient and real-time analytical method of vehicle fake license suspicion and an apparatus thereof. According to the invention, all data for fake license analyses are stored in a memory; it is maintained that each vehicle is corresponded to only one record during the processing process and the total amount of the data is controlled; and it is determined whether a vehicle a fake licensed one by calculating whether a time difference of the same vehicle between two checkposts is less than a time threshold between the two checkposts, so that it can be rapidly and accurately determined whether there is fake license suspicion. Because distance between checkposts are various and the speed limits are different, time for driving a distance between each two checkposts is different from others; therefore, the shortest time for passing through the two checkposts can be determined by calculating a time threshold between the two checkposts; and the determination result is more reasonable than an arranged unified global time threshold. Moreover, a memory analytical mode is used to replace a traditional Oracle database query analytical mode; therefore, efficiency is high and operability is strong; and an operation burden of the Oracle database is reduced.

The invention discloses a bipolar electrode-paper-based microfluidics type chip and a preparation method of the bipolar electrode-paper-based microfluidics type chip. The chip comprises a paper substrate, a paper cover plate, a nanometer electrode and a bipolar electrode, wherein the nanometer electrode and the bipolar electrode are deposited on the surface of the paper substrate; the nanometer electrode is used as a driving unit used for electroosmotic flow in a microfluidic channel and electrochemistry of the bipolar electrode; the bipolar electrode is used a non-uniform field which enables the components to be highly concentrated in the microfluidic channel, and the detected components are subjected to oxidation-reduction reaction at two ends of the bipolar electrode. The invention discloses a method for producing the chip through three different photoresists and diluents. The bipolar electrode-paper-based microfluidics type chip is light in weight, convenient to carry, low in cost and disposable; the required sample is small in size and fast to be analyzed; and the bipolar electrode-paper-based microfluidics type chip is applicable to detection on complex samples of foundations or on-board spaceship life science instruments.

This invention describes a microengineered SFC system for rapidly and efficiently separating the constituents of a complex mixture. The SFC system includes a microchannel that is microfabricated from a suitable substrate so that it forms a chromatographic column for separation of chemicals. The surface area of the microchannel of the column is sufficiently small as to permit use of miniature and relatively inexpensive pumps, and the thermal mass of the microengineered column is sufficiently low as to permit rapid temperature cycling using a miniature, low power and inexpensive heating element. At least a portion of this microchannel is packed with suitable sorbent materials or includes surfaces which are suitably coated with sorbent, or both, so as to retain and elute analyte under certain conditions. As a result analyte passing within this microchannel undergoes chromatographic separation.

The invention discloses an integrated micro-fluidic chip system, which comprises a micro-fluidic chip, a light source unit, a sample introduction unit, a detection unit and a communication unit, wherein the micro-fluidic chip is connected with the light source unit through optical fibers and connected with the sample introduction unit through a hose; and the communication unit is electrically connected with the detection unit, the light source unit and the sample introduction unit. When used for detecting biochemical substances having a fluorescence response property in a fluid sample, the system can solve the problems in prior art such as time consumption, large reagent and sample consumption, complex operation and the like, can realize fluorescence detection under various conditions, hasthe advantages of high integration, quick analysis, high flexibility, little sample consumption, simple operation, quantitative analysis, online real-time detection and the like, has a compiling control degree that allows for combined use with a computer, independent operation, and can be used as a sensor unit in a wireless sensor network.

A system for analyzing the chemical composition of a sample, comprising exciting a portion of the sample to generate atomic spectral emissions; a spectrometer for determining atomic emission characteristics; processor for receiving an output from the spectrometer, analyzing said output to determine atomic composition, said processor predicting at least one of (i) an origin of the sample, (ii) a treatment applied to said sample, (iii) a composition of the sample, and (iv) a feedback signal for controlling a process. Calibration samples are also provided for standardizing readings from the spectrometer.

The invention relates to a network threat detection system and detection method. The detection system comprises a network data acquisition module, a feature extraction module, a traffic analysis module, a network threat confirmation module and a threat situation generating module, wherein the network data acquisition module is used for acquiring network traffic data in real time; the feature extraction module is used for acquiring feature information of network traffic data; the traffic analysis module is used for performing feature matching on the network traffic data according to the feature information to obtain suspected network threat events; the network threat confirmation module is used for performing depth detection on the suspected network threat events by using a test statement to obtain real network threat events really having network threats, wherein a depth analysis knowledge base stores multiple threat models with corresponding detection rules; and the threat situation generating module is used for performing big data analysis and data mining on the suspected network threat events and the real network threat events to obtain a correlation of the multiple real network threat events or the occurrence frequency of a certain real network threat event, thereby forming a threat situation. Compared with the prior art, the system and the method have the advantages of high network threat detection rate, low false alarm rate and the like.

The invention pertaining to the field of metallurgy and steel-making technology provides a convertor steelmaking whole-course dynamic monitoring method. The whole-course dynamic control of the convertor steelmaking can be realized by adopting a laser gas analyzer and a stock bin port bombing technology, molten steel component and temperature are forecasted continuously and detected dynamically, and the convertor is assisted to perform the end point judgment. The method comprises steps of using a network of computer to monitor the information of charging, jetting and the like; using the laser gas analyzer as the gas signal acquiring and analyzing device in the convertor smelting process; using the bombing device installed at the stock bin port to performing head ejecting to detect information of molten steel component, temperature and the like; acquired parameters are all transferred through the network of computer; the computer continuously forecasts the parameters of molten steel component, temperature and the like by utilizing the above parameters and a built-in control model, and displays the parameters and provides guidance on the user interface.The invention has advantages that the whole-course feedback signals can be obtained, a whole-course dynamic control of the convertor smelting can be realized, variation of temperature and molten steel component can be forecasted continuously, the size of the convertor capability is not limited, and the convertor has characteristics of simple structure, convenient maintenance, small investment and low rate of fault.

A continuous casting powder X-ray fluorescence spectrometry mainly comprises the following steps of producing calibration samples by mixing a standard blast furnace slag sample, a standard fluorite sample and a standard coke component sample together, producing the synthetic standard blast furnace slag sample, the synthetic standard fluorite sample and the synthetic standard coke component sample into standard sample photos which can be analyzed by an X-ray fluorescence spectrometer in a melting method, scanning one or more standard sample photos which are melted well with the X-ray fluorescence spectrometer, measuring all the standard sample photos with the X-ray fluorescence spectrometer according to the fundamental analysis condition, producing samples to be measured into sample photos which can be analyzed by the X-ray fluorescence spectrometer in a melting method, analyzing the samples to be measured and conducting X-ray fluorescence spectroscopy analysis to the samples to be measured with the X-ray fluorescence spectrometer.

The invention provides an online automatic monitoring system of total nitrogen and total phosphorus in seawater and a monitoring method thereof. The system comprises an automatic seawater liquid feedcontroller, an ultraviolet microwave digestor, a total nitrogen measuring flow passage, a total phosphorus measuring flow passage and a spectrophotometer, wherein the automatic seawater liquid feed controller is connected with the ultraviolet microwave digestor by a liquid feed pipeline; digested sample flows into an electronic cooler from a liquor drainage pipeline of the ultraviolet microwave digestor to be cooled and respectively enters into the total nitrogen measuring flow passage and the total phosphorus measuring flow passage; the total nitrogen measuring flow passage comprises a nitrate ion reducing device, a sample reaction pipeline is connected with the spectrophotometer, and the front end of the sample reaction pipeline is provided with a nitrite color reagent injecting valve; and the total phosphorus measuring flow passage comprises the structure that the sample reaction pipeline is connected with the spectrophotometer, and the front end of the sample reaction pipeline is provided with an orthophosphate color reagent injecting valve. The invention can complete work procedures such as automatically sampling seawater, digesting, reducing, washing, measuring, and the like,at one time.

A pocketsize olfactory instrument consists of test box in constant temperature; pocketsize gas-sensitive transducer array operation chamber with constant temperature of 55+-0.1deg.c; pocketsize headspace gas generating unit in constant temperature and with volatile gas volume of 140ml; gas headspace automatic-sampling unit formed by stepping motor, driving element, sample feeding needle and so on; computer; accurate power supply; accurate control and test circuit.

An analyser comprises microscope, smear automatic placing device and control system, lightening system, computer, display, planar array CCD and data collection system, focusing device, automatic objective table, three-dimensional movable control system, electric-tuning light filter and its controller. The method includes a) program of collecting multioptical spectrum image and comprehensive processing program to carry on process from low power to high power for smear, and b) program of processing frow low power to high power to comprehensive and analysis for obtaining optical spectrum image.

A method for vision machine inspection comprises providing depth information of a target acquired by an image capturing system, determining real-time three-dimensional information of a target object in a predetermined inspecting area based on depth information of at least one real-time image of the target. The method further comprises projecting color pixel information of a real-time color image of the target object to a three-dimensional virtual model based on the real-time three-dimensional information. The real-time color image may be acquired by a color camera system. The method further comprises generating a color three-dimensional virtual model. The color three-dimensional virtual model may comprise the color pixel information.

The invention relates to a method for observing the in-situ morphologies of the nonmetallic inclusions in steel. The method is characterized by comprising the following steps: a metallographic specimen is prepared and a surface to be observed is polished to be a plane; the superficial electrolytic corrosion is performed on an electrochemical polishing apparatus, an electrolyte is as follows: 5% (v / v) HCl (hydrogen chloride)+5%(v / v) glycerol+1% (v / v) citric acid methanol solution, and the setup parameters of the electrochemical polishing apparatus are as follows: the current density is 0.02A to 0.10A / cm<2>, the electrolytic temperature is from below 15 DEG C to below 5 DEG C, and the electrolytic time is 20 to 40s; a rubber rod is utilized for slightly wiping off the corrosive products on an electrochemical polishing surface of a test sample after the electrochemical polishing, the surface of the test sample is dried by a blow drier, and the nonmetallic inclusions are highlighted on an electrolytic etched surface of the test sample, so that the true morphologies of the nonmetallic inclusions with the different dimensions are completely displayed; and the morphologies of the nonmetallic inclusions are observed by a scanning electron microscope and an energy disperse spectroscopy. The method for observing in-situ morphologies of nonmetallic inclusions in steel provided by the invention has the advantages that the sample is prepared simply, the period is short, the analysis speed is fast, and the constituents and the varieties of the nonmetallic inclusions can be determined accurately by observing the three-dimensional morphologies and dimensions of the nonmetallic inclusions.

A method of using visual light and near infrared spectrum to identify variety of crop seed nondestructively includes fixing halogen lamp on A - frame, using power supply wire to provide 220V AC power to spectrograph and light source as well as computer, connecting spectrograph to computer through data line for transmitting collected data of sample spectrum to computer, carrying out process and analysis on collected data by spectrum special software ASD View Spec ProV 2.14 and Unscramble V9.2 then feeding analyzed data back to information platform for displaying variety of tested sample.

The invention relates to the technical fields of biological detection, environment monitoring and clinical detection, in particular to a micro-fluidic chip and a manufacturing method thereof, which are used for overcoming the defects of large sample using amount and complex operating steps existing in the biological detection process in the prior art. The invention provides a micro-fluidic chip and a manufacturing method thereof. The micro-fluidic chip comprises a substrate layer, a functional layer and a micro-fluidic pipeline layer, wherein the functional layer is fixed on the substrate layer, and comprises at least two parallel functional strips; the functional strips are strip-shaped bands formed by a material which can react with a specific material; the micro-fluidic pipeline layer is provided with at least two pipelines; the pipelines are communicated with at least one functional strip; and the two ends of each pipeline are provided with through holes which are communicated with the atmospheric air. According to the micro-fluidic chip provided by the invention, various different substances in a plurality of samples can be detected simultaneously. A detection method provided by the invention has the advantages of easiness for operating, small reagent using amount, saving in time, high efficiency and accuracy.

The invention discloses a silver-poly dopamine-graphene-composite-modified electrochemical sensor which is mainly characterized in that a silver-poly dopamine-graphene composite membrane is coated on the surface of a glassy carbon electrode. A preparation method of the silver-poly dopamine-graphene-composite-modified electrochemical sensor includes: adding silver-poly dopamine-graphene into dimethylformamide for uniform dispersing so that silver-poly dopamine-graphene dispersion liquid is obtained, then coating the dispersion liquid on the surface of the glassy carbon electrode, and evaporating solvent to obtain the needed sensor. A silver-poly dopamine-graphene composite is prepared only by mixing reactants and stirring at the room temperature. The preparation method is simple, mild in reaction conditions and low in cost. The prepared electrochemical sensor has the advantages of high sensitivity, low detection limit and the like, and is capable of achieving rapid sensitivity determination of guanine and adenine, simple to operate, green and environment-friendly.

Systems and methods which determine geologic properties using acoustic analysis are shown. Acoustic signals are collected during processing (e.g., crushing, shearing, striking, compressing, etc.) of geologic media, such as rock samples, for determining geologic properties according to embodiments. The acoustic signals collected may include frequency information, amplitude information, time information, etc. which may be utilized in determining geologic properties, such as geologic media properties (e.g., mineralogy, porosity, permeability, sealing capacity, fracability, compressive strength, compressibility, Poisson's Ratio, Youngs Modulus, Bulk Modulus, Shear Modulus), geologic structure properties (e.g., lithology, seal quality, reservoir quality), geologic acoustic properties (e.g., acoustic logging effectiveness, acoustic response, natural or harmonic frequencies, etc.). Embodiments may be used to provide determination of geologic properties from a variety of geologic media samples, such as cuttings, core samples, etc.