32 results about "ANA measurement" patented technology

The invention relates to a system for simulating mine environment. The system comprises a closed lightproof room and a door arranged on the ground; a temperature adjustment and control display system, an oxygen content control system, an air quantity control and display system, a lamplight control system, a common camera and/or an infrared camera, a picture display, a microphone, a sound, a water seepage control system, a smoke control system, a humidity control system, a gas content control system, vibration simulation equipment and simulation projection are arranged inside and outside the closed room respectively. When the closed room simulating the environment of underground mine is arranged on the surface, simulation measurement in mine can be conveniently performed so as to test the reaction speed of people, fatigue influence factor and psychological and physiological characteristics of people under different mine environment conditions. When the body state under different conditions is summarized, the working conditions, physical conditions, adaptabilities and the like of workers in the underground mine can be obtained more exactly. Therefore, people in the mine can be instructed to escape in time and decision basis for making rescue solution is provided for the rescuers; and the self-rescue ability of the miners is improved and the life lasting time of the trapped people is prolonged.

An analysis system for determining an analyte of a body fluid comprises a test element and an analysis instrument having a measurement and evaluation unit. The test element has a sample application zone and two analysis zones and a reagent system, whose reaction with the analyte results in a detectable change characteristic for the desired analytical result. The measurement and evaluation unit comprises two analog measuring units, in each of which an analog measurement signal corresponding to one of the analysis zones is generated, two analog-digital converters for digitizing the analog measurement signal, a comparator unit for comparing control data values based on the digitized measurement signals, and a final processing unit, in which, if the determined deviation between the control data values of the digitized measurement signals is less than a predefined value, at least one of the control data values is allowed to pass for further processing into the desired analytical result.

The invention relates to a stratum pressure measuring nipple and a stratum pressure simulation measuring device. The stratum pressure measuring nipple comprises a nipple body and a measuring control system. Fluid channels are arranged in the nipple body, and drilling fluid can flow through the fluid channels; the measuring control system is arranged in the nipple body and comprises an electric control module, a hydraulic driving module and a data acquisition module; a pressure carrying assembly is arranged at the lower end of the nipple body and comprises a contact head and a pressure relief channel, the pressure relief channel is perforated through the contact head, and the hydraulic driving module can be controlled by the electric control module, so that the contact head can stretch out of the nipple body, can be withdrawn and can be butted onto well walls; internal pressure values of the pressure relief channel can be acquired by the data acquisition module and can be transmitted to the electric control module. The stratum pressure measuring nipple and the stratum pressure simulation measuring system have the advantages that stratum pressures can be accurately measured by the stratum pressure measuring nipple, and accordingly the drilling efficiency can be improved.

The invention discloses an integrating sphere-based diffuse reflection spectral measurement device, a measurement method and a correction method. The measurement device comprises an integrating spheremain body and a switching device, wherein an entrance port, a measurement port and a detection port are formed in the integrating sphere main body; a sample to be measured or a reference standard reflection board is arranged on a light path at the measurement port; and the switching device can switch the sample and the reference standard reflection board at the measurement port. According to themeasurement method, when the measurement device is applied to measurement, the standard reflection board is used as a reference, and the measurement accuracy is improved by adopting a measurement modeof deducting background noise. According to the correction method, an actually measured value obtained by the measurement method and an analog measured value obtained by an analog measurement methodform a training set, and a neural network model is obtained through training, and an error source in an integrating sphere measurement process is corrected through the neural network model, so that the precision of the integrating sphere-based diffuse reflection spectral measurement is further improved.

Systems and methods for determining a stability of a blood glucose concentration of a patient are provided. The system comprises a processor that may be programmed to receive blood glucose concentration test results each taken from the patient at a different time over a time period and to compute a time-averaged glucose parameter indicative of blood glucose concentration control over the time period. In addition, the processor may be programmed to compute a virtual blood hemoglobin parameter through a simulated measurement of a blood hemoglobin, the virtual blood hemoglobin parameter being indicative of blood glucose concentration control over an extended time period encompassing the time period. Further, the processor may be programmed to compute a lability factor parameter indicative of a variability in blood glucose concentration over the time period.

The present invention relates to a method for eliminating influence on spatial target radiation characteristic ground simulation measurement caused by stray radiations and belongs to the target radiation characteristic measurement field. According to the method of the invention, the calculation model of test environment radiation characteristics is built; components are added into or removed from the model; the reflectivity of a designated surface is set; influence on a target component caused by stray radiations is separated; and therefore, simulation measurement errors can be decreased. The correctness of the calculation model and calculation conditions can be verified through comparing a test result and a calculation result, and therefore, the credibility of the calculation result can be ensured.

There are provided an apparatus and a method for simulatively measuring an environment in a microspace between a human skin and a wound dressing. The simulative environment-measuring apparatus comprises a constant temperature-and-humidity chamber 14 for controlling an external environment; a heat exchanger 12 disposed in the chamber 14; a constant temperature water bath 10 and a pump 11 for supplying warm water to the heat exchanger; and a container 1 which is set on the heat exchanger 12 and is easily detachable therefrom. The container 1 holds a water retentive member 2 therein, and is covered at its upper opening with a water vapor diffusion-controlling member 4. A microspace 6 formed between the water vapor diffusion-controlling member 4 and a wound dressing 5 placed on the member 4 is a simulatively reproduced space between a human skin and the wound dressing 5. A thin temperature-and-humidity sensor 7 is set in this microspace 6 to measure temperature and humidity with time. When plural containers 1 are used, environments of plural wound dressings 5 can be measured at once.

Methods and systems for more efficient X-Ray scatterometry measurements of on-device structures are presented herein. X-Ray scatterometry measurements of one or more structures over a measurement area includes a decomposition of the one or more structures into a plurality of sub-structures, a decomposition of the measurement area into a plurality of sub-areas, or both. The decomposed structures, measurement areas, or both, are independently simulated. The scattering contributions of each of the independently simulated decomposed structures are combined to simulate the actual scattering of the measured structures within the measurement area. In a further aspect, measured intensities and modelled intensities including one or more incidental structures are employed to perform measurement of structures of interest. In other further aspects, measurement decomposition is employed to train a measurement model and to optimize a measurement recipe for a particular measurement application.

The invention relates to the field of radar target scattering property testing, and in particular relates to a test platform for hydroacoustic analog measurement of the full-angle electromagnetic scattering property of a target on a water surface. The test platform comprises an instrument platform, a target suspension device, a wave generation device, an underwater vertical rotation device, driving equipment and an underwater transmission platform, wherein the instrument platform, the target suspension device, the wave generation device and the driving equipment are all arranged on the water surface, and the underwater vertical rotation device and the underwater transmission platform are arranged under the water surface; and a water surface target scale model suspended on the target suspension device can rotate for 0-360 degrees, and the underwater vertical rotation device can rotate for 0-90 degrees. The test platform considers the influence of water surface fluctuation on measurementof the water surface target radar scattering property, the water surface target radar scattering property can be measured when the grazing angle is large, and the measurement requirement can be met when the grazing angle is small, and the full-angle (horizontal azimuth angle of 0-360 degrees, and grazing angle of 0-90 degrees) electromagnetic scattering property of the target on the water surfacecan be acquired by measurement.

The invention proposes a measuring transducer, having a first transmission channel (100) which conditions an analogue measurement input signal (I) in an analogue manner and makes it available as a conditioned measurement signal. In addition, the measuring transducer has a second transmission channel (200) which conditions the analogue measurement input signal (I) and makes it available as an influencing signal, wherein the conditioned measurement signal and the influencing signal are combined and made available as a measurement output signal (O). In a further embodiment of the invention, a measuring system has a temperature sensor and a measuring transducer according to the invention.

The invention discloses an individual air pollution exposure simulation measurement method based on position matching. The method comprises the following steps: firstly, carrying out pollution fine drawing by utilizing six air pollutant concentration data acquired by a pollution monitoring station and individual mobile monitoring equipment; secondly, for individuals without mobile monitoring equipment, searching for adjacent equipment based on mobile phone APP positioning of the individuals; and finally, based on the individual simulated pollutant concentration data, calculating the individualair pollution simulated exposure dose in combination with the individual exposure parameter data. Aiming at the situation that the current air pollution exposure measurement work mainly surrounds a large range of people and carries mobile monitoring equipment individuals, the invention provides an individual air pollution exposure simulation measurement method aiming that mobile monitoring equipment is not carried. The method is high in comprehensiveness and high in referenceability, and references are provided for individuals to take correct air pollution exposure protection measures.

In a method for simulating a measurement path of a probe using a computing device, a standard ball is constructed by meshing shell surface points. Measurement points from the surface of the standard ball are selected, and a coordinate value of each of the measurement points is calculated. The method calculates a coordinate value of each moving point of the probe, and inserts the coordinate value of each moving point between the two adjacent measurement points into the data array. The method simulates probe movement path of the probe according to coordinate values stored in the data array, and detects any collision between the probe and the standard ball at each point of the probe movement path. A probe calibration program is generated according to the probe movement path when no collisions with the standard ball is found.

The invention discloses a laboratory simulation measuring device for an Archie formula in the geophysical well logging filed. The laboratory simulation measuring device comprises an organic glass plate box, electrode plates, an LCR current emitting-receiving device and an oil-water separation metering device, wherein the organic glass plate box is a hollow cube, an organic glass cover is arranged on the organic glass plate box, six injection valves with the same radius are arranged at the front-view surface of the organic glass plate box, a plate electrode is arranged on each of two side surfaces of the organic glass plate box, and three liquid draining valves are arranged on the rear face of the organic glass plate box; the oil-water separation metering device is in sealing connection with the liquid draining valves through rubber flexible tubes; the LCR current emitting-receiving device is connected with the electrode plates. According to the laboratory simulation measuring device, an important foundation theory of geophysical well logging interpretation is turned into teaching practice, an operation method is simple, and the visualization is strong; meanwhile, the laboratory simulation measuring device can simulate an oil deposit forming process and a water displacing oil process and monitor the flow condition of injected water, the distribution of remaining oil and the change rule of water saturation, meets the requirement of monitoring the change of oil saturation in a displacement process of a large model in real time and can well simulate underground geological conditions.

The invention discloses a simulated measurement system for a transient electric shock. The system comprises a conductor model provided with a bracket, an electric shock receptor model, and a high-speed data acquisition system. An insulating plate is arranged at the bottom of the electric shock receptor model; a discharge gap measuring and controlling system for monitoring and controlling the distance change of the discharge gap between a triggered electric shock portion and the conductor model is arranged at the triggered electric shock portion with the transient electric shock at the electricshock receptor model and the conductor model. The high-speed data acquisition system is used for controlling and measuring a transient voltage and a transient current of the electric shock receptor model within sampling time and acquiring the energy of the electric shock receptor model and the dynamic characteristics of the charge during the transient electric shock process. Therefore, the influence on the transient current and voltage by the moving speed during the transient electric shock process as well as the precise distance of the transient electric shock occurrence is obtained, so thatthe exposure limit value is determined.

A measuring data simulation method for an autonomous navigation system based on sun-earth-moon azimuth information respectively comprises simulation for reference pulse, earth pulse, moon pulse and sun pulse. The simulation and measurement data accurately and comprehensively reflects the influence on sun-earth-moon integrated sensor measurement caused by various complex factors, including the influence on the compression of the earth and the shape change of the earth. According to the measuring data simulation method disclosed by the invention, the simulation of pulse information of the sun-earth-moon integrated sensor and the quantitative assessment for system errors of the sensor and the verification for the performances of the navigation system can be effectively carried out in a number value artificial form.

A blood glucose meter comprises a blood sample test strip, a constant current source, a precision timer, a digital processor and memory, and an analog measurement circuit, e.g., voltage comparator, analog-to-digital converter (ADC), etc., that eliminates the complex analog front end and other related circuits of present technology glucose meters. When a blood sample is applied to the blood sample test strip a charge, Q, develops from the reaction between an enzyme in the test strip and the blood sample. The constant current source injects a constant current value, 1, into the charge, Q, on the blood sample test strip over a precisely measured time determined by when the excess charge, Q, has been removed from the test strip. The amount of charge, Q, is determined by Q = I * T, the charge, Q, is then converted into a blood glucose level for display.