179results about How to "Determination is accurate and reliable" patented technology

Systems, apparatuses, and methods for determining if a Merchant should be provided transaction processing services by an Acquirer and / or continue to be provided such services by the Acquirer. In one embodiment, the inventive system and methods permit a more accurate and reliable determination of the risk to an Acquirer presented by a Merchant, based on a risk assessment engine and the described set of data sources.

A method of diagnosing, prognosing, staging, and / or monitoring a mammalian amyloidogenic disorder or a predisposition thereto by detecting a protein or polypeptide aggregate in the cortical and / or supranuclear regions of an ocular lens of the mammal.

A system and method for determining the position of people and / or objects, whether mobile or stationary, is presented herein. The system uses fixed and / or portable FM transmitters to transmit synchronized signals. These signals are acquired by a Receiver device which uses the signal timing to perform Time Difference of Arrival calculations to determine the Receiver's location. Then, using some arbitrary communications method, such as wireless communications, the Receiver device can forward its location to some arbitrary type of application system.

The invention relates to a method for detecting the content of mycotoxins in wheat. The mycotoxins in the wheat are detected by utilizing high performance liquid chromatography-tandem mass spectrometry, and the mycotoxins related to the detection are deoxynivalenol (DON), 3-acetyl (Ac)-DON, 15-Ac-DON, zearalenone (ZEN) and T-2 respectively. The detection method specifically comprises the following steps of: crushing wheat samples by using a crusher, and obtaining coarse extract by using an extracting solution; obtaining a purified toxin extracting solution by using an amino column; preparing mixed toxin standard liquid with different content; detecting each mycotoxin in the toxin extracting solution by adopting the high performance liquid chromatography-tandem mass spectrometry; and obtaining a regression equation of mycotoxin content relative to a peak area according to detection results of the mixed toxin standard liquid, and calculating the content of the DON, the 3-Ac-DON, the 15-Ac-DON, the ZEN and the T-2 in the wheat sample.

The invention relates to optical sensor measurement methods that use a swept wavelength optical source to determine wavelength shift as well as to optical sensor systems that embody and employ these methods. A variable scan rate swept optical source is used to determine the optical path length from the optical interrogator to the optical sensors being measured. This data can then be used as desired or needed in implementing the sensor or making sensor measurements. In particular the data can be used in the optical sensor system to compensate for potential measurement errors due to the finite speed of light in the optical medium interconnecting optical sensors under test.

The invention discloses a liquid medium for vitro scutellaria root pollen germination and a method for testing the activity of scutellaria root pollen. For the liquid medium for vitro scutellaria root germination, distilled water is used as a solvent, and the liquid medium comprises the components of BK, 100g / L cane sugar and 150g / L PEG4,000, the pH value of the liquid medium is 5.8. The tested results of pollen activity is stable and reliable by utilizing the liquid medium for vitro scutellaria root pollen germination and a pollen tube growth testing technology, the ratio of the pollen germination reflects the proportion of pollens with vitality, and the observation and the measurement of the pollen tube reflect the advantages and disadvantages of physiologic conditions of pollen grains, thus the technology for testing vitro scutellaria root pollen germination and pollen tube growth provides a reliable and effective method for the measurement of the activity of the scutellaria root pollen germination.

The invention discloses a method for simultaneously detecting multiple fungaltoxins in grains. The method comprises the steps of extracting a grain sample to be detected through an acetonitrile-water solution containing acid, salting out, purifying, centrifuging, and membrane filtering to obtain sample analytic liquid; utilizing an ultra-high performance liquid chromatography-tandem mass spectrometry for simultaneously detecting the multiple fungaltoxins. According to the method provided by the invention, the fungaltoxins are subjected to qualitation and quantitation by adopting a multi-reaction monitoring mode (MRM). After the grains are subjected to pretreatment, the ultra-high performance liquid chromatography-tandem mass spectrometry is utilized for simultaneously detecting extracted 10 fungaltoxins. The sample is extracted through the acetonitrile-water solution with a certain concentration and containing the acid, a sample extracting solution is salted out and purified, and the multi-reaction monitoring mode of the high performance liquid chromatography-tandem mass spectrometry is utilized for detecting, so that the defection efficiency is improved, the detection cost is rediced, the sensitivity is high, the repeatability is good, and the adding standard recovery is high.

The invention relates to a method for determining the residues of chlorothalonil, captan, captafol and folpet in vegetables and fruits. The method specifically includes the steps of: preparing a sample; treating the sample with phosphoric acid; extracting a target object with acetonitrile; removing the phosphoric acid and water soluble impurities from the extracted solution; conducting further purification with a Florisil small column and aminopropyl powder; and carrying out detection by an Agilent7890A gas chromatograph-electron capture detector. The determination method employs 5% phosphoric acid to treat a fruit and vegetable sample, thus avoiding loss of the four pesticides during sample crushing. The method is suitable for determining the four pesticide residues in all vegetables and fruits, has recovery rates all over 80%, and can make determination of the four pesticide residues in vegetables and fruits more accurate and reliable.

The invention discloses a device for measuring three-dimensional distribution of residual stress in a metal microstructure, which comprises an X-ray generating system, a microdiffraction and light path guide system, a work system, a detection system, a computer and a control system; the X-ray generating system generates X-rays with short wavelengths; the X-rays irradiate on points to be measured on a metal microstructural sample to be measured in the work system through the microdiffraction and light path guide system; then the X-rays enter the detection system through the microdiffraction and light path guide system after being subjected to diffraction by the sample; the detection system receives the X-rays entering the detection system for detection and sends obtained detection data to the computer; the computer takes analysis process on the received detection data to obtain residual strain and residual stress data of the point to be measured of the metal microstructral sample and take error analysis and parameter amendment; and after the test for the current point is finished, the computer sends a command to the control system for changing the detection point of the sample. According to the invention, the three-dimensional distribution of the residual strain and the residual stress in the penetrating range of the X-ray in a metal microstructure can be measured automatically and factually in a lossless way; therefore, the device provided by the invention is efficient and lossless and is convenient to operate.

The invention belongs to a nickel-chromium-aluminum coated diatomite element analysis technology, and relates to a method for determining chromium content and aluminum content in nickel-chromium-aluminum coated diatomite, wherein microwave sample digestion and inductively coupled plasma atomic emission spectroscopy are adopted to determine the chromium content and the aluminum content in the nickel-chromium-aluminum coated diatomite. According to the method, 5-10 mL of hydrochloric acid, 1-5 mL of nitric acid and 5-10 drops of hydrofluoric acid are adopted to treat (metal-inorganic non-metal powder) nickel-chromium-aluminum coated diatomite, such that problems of large use amounts of reagents for dissolving the sample, difficult dissolving of the sample, incomplete dissolving of the sample, and the like in the prior art are solved. With the present invention, spectrum analysis is performed to find the best analysis line so as to overcome interference of the major element nickel in the nickel-chrome-aluminum coated diatomite and improve measurement accuracy; the study results show that the established method for determining the chromium content and the aluminum content in the nickel-chromium-aluminum coated diatomite is accurate and reliable, and can meet requirements of research and production; and the method of the present invention has characteristics of rapidness, easy operation, manpower saving and material resource saving.

The present invention provides a reliable method to determine lysin of ferrohemoglobin, and meanwhile white cell can be divided into two subgroups for counted separately. How to use the lisin is also included in the present invention. The lysin with no cyanide includes at least one type of surfactant group dissolve red cell sufficiently and to release magnitude of magnitude ferrohemoglobin, at least one type of positive ion surfactant, at least one type of negative ion surfactant and at least one type of non-ion surfactant.

There is provided a method and apparatus for determining at least one of a position and an orientation of a wearable device on a subject. At least one physiological characteristic signal is acquired from a subject (402). The acquired at least one physiological characteristic signal from the subject has one or more characteristics indicative of at least one of a position and an orientation of a wearable device on the subject. The at least one of the position and orientation of the wearable device on the subject is determined based on the one or more characteristics indicative of the at least one of the position and orientation of the wearable device on the subject (404).

The invention discloses a device for measuring the size of an object. The device comprises a first measuring container, a second measuring container and a sealing air bag; the first measuring container comprises a first box and a first cover, and a first air outlet used for being connected with a vacuum pump and a first air inlet used for releasing air into the first box are formed in the first box; the second measuring container is used for being arranged in the first measuring container and comprises a second box and a second cover, a first air through hole is formed in the second box, the first air through hole is connected with the vacuum pump and a flowmeter through a t-branch pipe separately, when the first air through hole is communicated with the vacuum pump, a vacuum in the container is achieved, the first air through hole is used for releasing air into the second measuring container when being communicated with the flowmeter, and a pressure sensor is connected to the t-branchpipe and used for measuring the air pressure in the container; the sealing air bag is used for sealing the object to be measured. The invention further discloses a method for measuring the size and the porosity of the object and a vacuum air sealing method. The device has the advantages that the structure is simple, the cost is low, measurement is accurate and reliable, the device is suitable formeasuring objects in various shapes, and the application range is wide.

The invention relates to a determination method for six residual plant-growth regulators in a bean sprout, especially to a method for simultaneous determination of six residual plant-growth regulators in the bean sprout by using gas chromatography-tandem mass spectrometry. Six plant-growth regulators involved in the invention are composed of 4-chlorophenoxyacetic acid, 2,4-dichlorophenoxyacetic acid, naphthylacetic acid, indoleacetic acid, 2,4-D-butyl ester and indolebutyric acid. The method comprises the following steps: 1) sample treatment; 2) determination, wherein gas chromatography-tandem mass spectrometry is employed; 3) drafting of a standard curve; 4) blank test; and 5) result calculation and description. The determination method employs gas chromatography-tandem mass spectrometry for simultaneous determination of the six residual plant-growth regulators in bean sprout; and the method is simple, convenient, rapid, accurate and reliable, and the lower determination limit, recovery rate and precision of the method all accord with requirements.

The invention provides a pretreatment method for applying ammonium bifluoride to digest a geological sample. The method comprises the steps that: (1) ammonium bifluoride and the geological sample are weighed according to a ratio that ammonium bifluoride to the geological sample is 4-6:1; the materials are placed in a sample dissolving bottle; the bottle is shaken and then is heated for 3-5h under a temperature of 220-240 DEG C; (2) the sample dissolving bottle is cooled to room temperature; acid is added into the sample dissolving bottle; and silicon is removed by heating; and (3) when silicon is completely removed, acid and water are added into the sample dissolving bottle; and the bottle is heated, such that solid-state residues in the sample dissolving bottle is completely dissolved. The method provided by the invention has the advantages of high efficiency, good safety, low cost, good flexibility, and low workload. The method is an important innovation of geological sample digestion methods, and has a good application prospect.

A ball pivot (3) of a ball and socket joint for a motor vehicle, with a pivot (2) and with a joint ball (1) connected thereto. A recess (12) with a magnet (13) arranged therein is provided in the ball pivot (13). An intermediate space (17), which is filled with a nonmagnetic material (16) for fixing the magnet (13), is formed between the jacket surface (14) of the magnet (13) and the inner wall (15) of the recess (12).

A system for determining vehicle loading and unloading comprises an acceleration detector provided on a vehicle, a location detector for detecting the location of the vehicle and a processor that receives information detected by the acceleration detector and location detector and determines whether the detected acceleration is due to vehicle loading, unloading or travel, based on the received information. A timer may be started, when vehicle loading or unloading is determined, such that the amount of time spent loading or unloading the vehicle may be obtained. Also, a condition of a traveled surface may be determined based on information received from the acceleration detector and location detector.

The invention discloses a system for detecting the explosion-proof performance of a separation explosion-proof material. The system comprises a computer, an explosion bin (3), a gas circulating pipeline (9), a main control system (1), and a first vacuumizing device (2), a liquid fuel steam supply device (4), a dry air supply device (5), an information acquisition device (6) and an ignition device (7) which are connected with the main control system (1) by virtue of leads, wherein the gas circulating pipeline (9) is communicated with the explosion bin (3); a temperature sensing device and a pressure sensing device are mounted on the inner wall of the explosion bin (3) at equal intervals; an ignition electrode is mounted on the inner wall of the starting end of the explosion bin (3) and is connected with the ignition device (7); the main control system (1) is connected with the computer. The invention also provides a method for detecting the explosion-proof performance of the separation explosion-proof material. The system for detecting the explosion-proof performance of the separation explosion-proof material can be controlled by a semi-automatic manner and is safe and reliable.

A method of determining crop parameters in an agricultural harvester has the steps of determining at least one crop parameter during a working process with a compacting device which is fillable with a crop probe, and using for determining the at least one crop parameter of the crop probe depending on at least one defined compression of the crop probe produced by the compacting device.

The method involves determining strength of a determination signal by a unit for receiving low-frequency signals (6a-6d) at wheels. High frequency data transmission to a vehicle-sided control device (4) is initiated by the unit for wireless transmission of tire pressure from the wheels, where the data transmission comprises signal strength of the determination signal. Signal strength of the wheels is detected during rolling motion. A wheel-specific average value is formed. The determination signal is sent from antennas (5), which are arranged at a motor car (1) for access control.

The invention provides a method for determining the hot degree of pepper, which comprises the following steps: collecting optical data of capsaicin and dihydrocapsaicin in a pepper sample through a near infrared spectroscopy, calculating the hot degree of the pepper, relating data of the hot degree of the pepper obtained in a chemical analysis method, constructing a correction model in a partial least squares method, carrying out substitution of the optical data of the capsaicin and the dihydrocapsaicin in the pepper sample to be tested, and obtaining the hot degree of the pepper sample to be tested. The quantitative analysis model for the hot degree of the pepper has high accuracy, and the hot degree of the actual pepper sample can be predicted accurately and reliably. The hot degree of the pepper determined with the near infrared spectroscopy is not significantly different from results determined in the chemical analysis method, and non-destructive testing can be achieved for the hot degree of the pepper.

The invention relates to an involute spline pair fretting wear testing platform. A rack is equipped with an involute inner spline to be tested and an involute outer spline to be tested. A wear-proof casing is embedded between a sleeve and the involute inner spline. A pull force sensor is on a pull rod. A rack guide rail is provided with a vertical screw for adjusting an axial force size and a horizontal screw for adjusting a loading position. A motor drives an involute spline pair to rotate relative to the wear-proof casing. The position of the wear-proof casing relative to the involute inner spline is adjusted through the horizontal screw, and the pull force applied to the involute inner spline by the wear-proof casing is adjusted through the vertical screw. The working conditions of the involute inner spline and the involute outer spline under axial force are simulated, the pull force change is observed in real time through the pull force sensor, the axial force effect with a variable position and size borne by the involute spline pair in working is simulated, the fretting wear laws of the involute inner spline and the involute outer spline are measured and determined, and an involute spline pair fretting wear test is simplified.

The invention relates to the field of fiber density detection and in particular discloses a method for measuring fiber density. A volumetric flask serves as a measuring container, kerosene serves as a measuring medium, and the fiber density is detected by utilizing an Archimedes principle. The measurement method disclosed by the invention is easy to operate, high in measurement result accuracy and low in cost and is suitable for fiber density measurement of various occasions such as labs and engineering fields.

The invention discloses a kit for predicating lung cancer risk for high-risk groups among the China urban population on the basis of CT (computed tomography) images and biomarker spectrums. The kit comprises a reagent for measuring the expression quantity of serum protein spectrums of the following four biomarkers including pro-gastrin-releasing peptides, carcino-embryonic antigens, fragments of cytokeratin 19 and squamous-cell carcinoma antigens. The kit can be used for accurately predicating the lung cancer risk in combination of CT imageology parameters including nodule diameters, spicule signs and positions and other clinical indexes including age, the smoking history, the history of malignant tumor and genders.

The invention discloses a balsam pear saponin determining method, including the following steps: 1. preparing a balsam pear saponin control sample: (1) extracting coarse product of balsam pear saponin, i.e. adding cellulose enzyme into balsam pear seed powder for microwave processing, and filtering and collecting supernatant liquor, passing the supernatant liquor through hollow fiber film, taking penetrating fluid to pass it through the other hollow fiber film for holding back molecular weight-6000 substances, taking penetrating fluid again for concentrating, and obtaining balsam pear saponin coarse extractant for purifying and drying, so as to obtain the coarse product; (2) pre-purifying for preparing front balsam pear saponin by HPCL separation; (3) preparing by HPLC separation; (4) re-crystallizing the product; 2. determining the saponin content of the sample: adopting light-splitting photometric method to measure light absorptivity in 468 nm wavelength, calculating to obtain the content. The determining method provides standard control sample, accurate and reliable.