159 results about "Cut off value" patented technology

Binarization a data value comprises binarizing the minimum of the data value and a predetermined cut-off value in accordance with a first binarization scheme, in order to yield a primary prefix. If the data value is greater than the cut-off value, binarizing a difference of the data value minus the predetermined cut-off value in accordance with a second binarization scheme to obtain a binary suffix, the first binarization scheme being different from the second binarization scheme, and appending the primary suffix to the primary prefix is performed. A very effective compression of data values may be achiever by using the binarization scheme for preparing the syntax elements for the arithmetic coding, the binarization scheme substantially being a combination of two different binarization schemes, and by using binary arithmetic coding instead of m-ary arithmetic coding for coding the binarized syntax elements.

The invention provides a shale oil-gas economical and effective layer section evaluation method. The method comprises the steps of determining evaluation parameters of shale of target layer sections according to obtained logging data and core data, wherein the evaluation parameters include the organic carbon content, the porosity, the formation pressure coefficient, the oil-gas accumulative output impact factor and elastic parameters; subtracting a corresponding cut-off value from each evaluation parameter to obtain a difference value of each evaluation parameter; using points with the difference values, larger than 0, of the evaluation parameters as efficient points; adding the thicknesses of logging points which are continuous efficient points in the target layer sections, and using the added result as the single-layer thickness of the continuous efficient points; determining the shale oil-gas accumulated economical yield minimum thickness; using the layer section with the single-layer thickness of the continuous efficient points larger than or equal to the accumulated economical yield minimum thickness in the target layer section as the shale oil-gas economical and effective layer section. According to the shale oil-gas economical and effective layer section evaluation method, the shale oil-gas economical and effective layer section can be accurately and effectively determined, and therefore the shale oil-gas development benefits are improved.

The present invention relates to prostate cancer. More specifically, the present invention relates to a method to detect prostate cancer in a patient sample by detecting the RNA encoded by the gene PCA3. More particularly the present invention relates to a method for determining a predisposition, or presence of prostate cancer in a patient comprising: (a) contacting a biological sample of a patient with at least one oligonucleotide that hybridizes to a PCA3 polynucleotide; (b) detecting in the biological sample an amount of PCA3 and second prostate specific polynucleotides; and (c) comparing the amount of PCA3 polynucleotide that hybridizes to the oligonucleotide to a predetermined cut off value, and therefrom determining the presence or absence of prostate cancer in the biological sample. The present invention further relates to diagnostic kits for the detection of prostate cancer or the risk of developing same in a patient comprising: (a) at least one container means having disposed therein at least one oligonucleotide probe or primer that hybridizes to one a PCA3 nucleic acid or complement thereof; (b) at least one oligonucleotide probe or primer that hybridizes with a second prostate specific nucleic acid or complement thereof; and (c) reagents enabling a detection of PCA3 and of the second prostate specific nucleic acid when PCA3 or second prostate-specific nucleic acid sequence is present.

The invention relates to a method and a device for calculating effective porosity of a compact oil storage layer. The method comprises the following steps: preparing a saturate rock sample; performing nuclear magnetic resonance measurement on the saturate rock sample, thereby acquiring T2 point amplitude of the saturate rock sample, nuclear magnetic porosity of the saturate rock sample and total amplitude of T2 spectrum of the saturate rock sample; performing dewatering treatment on the saturate rock sample under an effect of centrifugal force and performing the nuclear magnetic resonance measurement, thereby acquiring the T2 point amplitude of the centrifugal rock sample, the nuclear magnetic porosity of the centrifugal rock sample and the total amplitude of T2 spectrum of the centrifugal rock sample; acquiring the porosity component of the T2 point of the saturate rock sample, the curve of T2 spectrum of the saturate rock sample, the porosity component of the T2 point of the centrifugal rock sample and the curve of T2 spectrum of the centrifugal rock sample; acquiring a T2 cut-off value according to the total amplitude of T2 spectrum of the saturate rock sample, the curve of T2 spectrum of the saturate rock sample, the total amplitude of T2 spectrum of the centrifugal rock sample and the curve of T2 spectrum of the centrifugal rock sample; utilizing the T2 cut-off value to acquire the valid saturability of the flowing fluid; calculating the effective porosity of the compact oil storage layer according to the valid saturability of the flowing fluid.

The present invention relates to methods for providing a diagnosis, prognosis and/or risk stratification of a subject with heart failure, comprising determining the concentration of osteopontin (OPN) in the biological sample, preferably in a plasma sample. An OPN cut-off value is discloses as a valuable reference value. The present invention furthermore relates to the use of osteopontin as marker for diagnosis, prognosis and/or risk stratification of a subject with heart failure, the use of the determination of the osteopontin plasma concentration in a biological sample of a subject for diagnosis, prognosis and/or risk stratification of heart failure as well as kits for performing the methods and uses of the invention. The present invention allows particularly for risk stratification of patients with heart failure, such as mortality prediction and prognosis of heart failure severity.

An iron-dextran compound for parenteral treatment of iron-deficiency anemia comprises hydrogenated dextran having a weight average molecular weight (Mw) between 700 and 1,400 Daltons, preferably approximately 1,000 Daltons, a number average molecular weight (Mn) of 400 to 1,400 Daltons and wherein 90% by weight of the dextran has molecular weights less than 2,700 Daltons and the Mw of the 10% by weight fraction of the dextran having the highest molecular weights is below 3,200 Daltons, said hydrogenated dextran having been subjected to purification by membrane processes having a cut-off value between 340 and 800 Daltons, in stable association with ferric oxyhydroxide. The compound is produced by using membrane processes to eliminate dextrans of higher molecular weights than approximately 2,700 Daltons and membrane processes to remove saccharides of molecular weights below approximately 340 Daltons from hydrogenated dextran before precipitating ferric hydroxide in the presence of said dextran followed by heat treatment and purification.

A system for reducing clunk in a driveline of a vehicle having an engine comprises a torque-based module that generates a torque request, a filter that receives the torque request from the torque-based module and that selectively modifies the torque request to reduce a rate of change of the torque request, and an engine control module that receives the modified torque request and actuates the engine to produce the modified torque request. The filter slows torque changes to a fixed rate within a range defined by an upper limit greater than zero torque and a lower limit less than zero torque. The filter applies a low-pass filter to the torque request when the torque request is greater than a cut-off value, and coefficients of the low-pass filter are selected from a table based upon the currently selected gear in the vehicle and an output of an aggressive driving evaluator.

Provided herein are methods of detecting and staging liver fibrosis in an individual with liver disease. Also provided are methods of detecting necroinflammatory activity. Invention methods utilize four serum markers, age, and gender to determine an end value. The end value is compared to a cut-off value, in order to identify significant fibrosis (METAVIR stages F2 to F4), or an absence of advanced fibrosis (stages F3 and F4) or cirrhosis (stage F4). In particular aspects, progression or treatment of liver fibrosis can be monitored by invention methods. The end value is also used to distinguish between no to mild necroinflammatory activity (METAVIR grade A0 to A1) and moderate to severe necroinflammatory activity (grade A2 to A3).

The invention discloses a belt dropping detection method for a motor of a drum washing machine or a washing-drying integrated machine. A CUP sends pulse to adjust the conduction angle of controllable silicon so as to drive the motor to rotate according to a set rotating speed, and the relationship between the motor and the belt is judged by detecting the size of the conduction angle of the controllable silicon in the rotating process of the motor so as to judge whether the motor and the belt are connected normally. A working program of the washing machine is provided with a critical value X of the conduction angle, and the critical value corresponds to the conduction angle of the corresponding controllable silicon when the belt is connected normally and an empty drum carried by the motor rotates; when the belt is connected normally and the drum carried by the motor is fed with clothes to rotate, and when the belt drops or is broken to cause separation between the motor and the drum and independently idle rotation of the motor, the conduction angles for controlling the normal rotation of the motor under the two conditions are different; and the relationship between the motor and the belt is judged by comparing the size of the detected conduction angle with the critical value X. The method has the characteristics of low cost and correct judgment.

The invention relates to a determination method for a T2 cut-off value in a T2 spectrum of nuclear magnetic resonance logging, in particular to a method for constructing a T2 cut-off value according to the pore structure characteristics reflected by T2 spectrum intensity at each time point, of a T2 spectrum of nuclear magnetic resonance logging. The determination method disclosed by the invention is capable of saving the time and cost of demarcating the T2 cut-off value in the original lots of experimental analysis for a rock core, does not need to establish an empirical formula on the basis of T2 spectrum classification to evaluate the T2 cut-off value, and realizes dynamic and automatic evaluation for the T2 cut-off value. The method realizes scientific, simple and rapid evaluation for the T2 cut-off value.

Methods are disclosed for diagnosing inflammatory bowel disease (IBD), one exemplar method of which includes determining whether a sample is positive for anti-flagellin antibodies (AFA), diagnosing the presence of IBD when the sample is positive for AFA, and diagnosing the absence of IBD when the sample is negative for AFA. Alternatively, instead of testing for positivity with respect to AFA, or in addition thereto, an exemplar method can determine whether the sample has an AFA level above an AFA cut-off value (X); and diagnosing IBD when the AFA level is above X, and diagnosing absence of IBD when the AFA level is below X. Test kits that include items used to carry out the disclosed methods are also disclosed.

The invention discloses a fragrance distributing device. The device comprises a fragrance source, a drive motor for opening and closing a fragrance dissipating hole, a control module and a fragrance concentration detection probe, wherein: the fragrance concentration detection probe is used to detect the temperature of the environment where the fragrance distribution device is located. Fragrance concentration and send the detection result to the control module; the control module is used to compare the fragrance concentration detected by the fragrance concentration detection probe with the preset fragrance concentration critical value, and control the opening and closing of the fragrance hole to drive the motor to open and close according to the comparison result. Combined flavor hole. The present invention overcomes the deficiencies of the prior art, adopts the fragrance concentration detection probe to detect the fragrance concentration in the air, and the control module determines the technical scheme of opening and closing the fragrance distribution hole of the fragrance source box after comparing the detection result with the predetermined fragrance concentration critical value, so that When the fragrance concentration in the air is too high/low, the fragrance distribution hole can be automatically closed/opened to stop the fragrance distribution, effectively controlling the fragrance concentration in the air within an appropriate range.

The invention discloses a nondestructive rapid determining and controlling method for nitrogen nutrition of tea plant, belonging to the technical field of tea planting, characterized by comprising: (1) determining the SPAD critical value; (2) determining the SPAD value of target tea garden; (3) comparing the obtained SPAD value of target tea garden with the critical value in the step (1) to determine the optimum nitrogen amount. In the invention, the nitrogen amount can be determined by determining the SPAD value of target tea garden, thus the method is reasonable and the operation is simple and rapid, the determining is performed on the leaves of the tea plant without the damage to the plant and the effect of the weather, the method has the practicability for the production, in particular has strong fertilizing instructiveness for the tea grower or the technician and overcomes the deficiencies in the prior art.

Certain aspects of a method and system for automatically turning off motion compensation when motion vectors are inaccurate may include determining quality of a plurality of generated motion vectors. The interpolation of a plurality of output pictures may be controlled based on the determined quality. A plurality of original input pictures may be interpolated when the determined quality of the plurality of generated motion vectors is below a threshold value. A plurality of motion compensated pictures may be interpolated when the determined quality of the plurality of generated motion vectors is above a threshold value. A reduced interpolation mode may be utilized if a generated cut-off value is less than an entry threshold value and/or above an exit threshold value.

This invention provides method to trigger breathing machine to work by EMG comprised steps: (1) collecting EMG signal; (2) obtaining diaphragmatic muscle EMG signal from band-pass filter; (3) calculating the root-mean-square value and collecting corresponding envelope; (4) computing the slope S by linear fitting for every 50ms and the mean value M for the envelope curve within 50ms; (5) determining the slope critical value C and base line threshold T; comparing S, M, C and T on different interval, and sending trigger signal. The invention can improve synchronism between human and machine, decrease the use of dope and muscle-release agent, and the cost.

The invention discloses a steady rheology rate cross point-based determination method of rock long-time strength parameters. The steady rheology rate cross point-based determination method comprises following steps: rock core samples are processed to be standard cylindrical samples; the standard cylindrical samples are subjected to triaxial rheological mechanical property test; two steady rheology rate curves are obtained via fitting based on axial rheological rate and volume rheological rate of steady rheology period; and quantitative determine of rock long-time strength parameters is realized based on the cross points of the axial rheological rate curve and the volume rheological rate curve. According to the steady rheology rate cross point-based determination method, the axial rheological rate curve and the volume rheological rate curve obtained via rock rheological mechanical property test result calculation are compared; rock long-time strength parameters are determined based on critical values of rock compression deformation and volume expansion, wherein the critical values are represented by the cross points of the two steady rheology rate curves; a problem that inflection points are not clear in rock samples with unobvious rheological behaviors in conventional stress-strain isochronous curve cluster method and steady rheology rate method is solved; and the steady rheology rate cross point-based determination method possesses reference value in accurate evaluation of rock long-time stability.

The invention belongs to the technical field of medical apparatus and instruments and discloses a bronchoscope fixing system with angle adjustability. The bronchoscope fixing system is provided with asoft fiber pipe, wherein the tail end of the soft fiber pipe is fixed at the head end of an operation handle, an eyepiece is fixed at the tail end of the operation handle through a thread, and the side surface of the operation handle is communicated with a conduit hose; an optical fiber is arranged in the middle of the soft fiber pipe and coated with a protective layer, and the gap between the optical fiber and the protective layer is filled with an electrorheological fluid layer. An electrorheological fluid material is added on the basis of the conventional mature soft fiber bronchoscope, anelectrorheological fluid becomes solid when the electric field intensity of the electrorheological fluid is higher than a critical value, the body of the bronchoscope can become harder or return to softness by changing the current of the electrorheological fluid layer in the soft fiber pipe, and the head end angle of the soft fiber pipe can be rotated to be adjusted by the operation handle.

The invention provides a petroleum reservoir rock constituent identification and quantitative evaluation method. The method comprises the steps that nuclear magnetic resonance response signals of sample rocks are received, and inversion is performed on the response signals so that a first spectrogram is acquired; aperiodic relaxation time T2sec and the specific value T1/T2 of longitudinal relaxation time T1 to transverse relaxation time T2 are calculated according to the first spectrogram, and the first spectrogram is projected to a coordinate system with the specific value T1/T2 of longitudinal relaxation time T1 to transverse relaxation time T2 and aperiodic relaxation time T2sec acting as coordinate axes so that a second spectrogram is formed; and locating areas of different hole types are divided on the second spectrogram according to the preset cut-off value, and the proportion of each hole type is obtained via an integration method. According to the petroleum reservoir rock constituent identification and quantitative evaluation method, accuracy of reservoir rock constituent identification and reliability of the reservoir quantitative evaluation result can be enhanced.

The invention discloses a nuclear magnetic resonance T2 cut-off value calculation method based on longitudinal wave constraint. The method mainly comprises procedures of core cutting, polishing, drying and other pretreatment, nuclear magnetic resonance T2 spectrum and longitudinal wave speed measuring at a core saturation state, nuclear magnetic resonance T2 spectrum measuring at a core centrifugation state, and nuclear magnetic resonance T2 cut-off value influence factor analysis and modeling. The established T2 cut-off value calculation method is only related to the longitudinal wave speed and nuclear magnetic resonance porosity, indeterminacy of calculation is lowered to the maximum extent, the problem of propagation of error in a traditional calculation method is effectively solved, great convenience is brought to application for engineering and technological researchers, the measuring cost is saved, and the experiment schedule is accelerated.

The invention provides a gas supply system with a safety protection function. The gas supply system comprises an Internet-of-Things gas meter, a combustible gas detection probe, a gas appliance, a field alarm apparatus and an Internet-of-Things network, the Internet-of-Things gas meter internally comprises a metering device, a control system and an overcurrent cut-off valve, and when gas usage data collected by the metering device reaches an abnormal excessive flow consumption data pre-warning value or the combustible gas concentration detected by the combustible gas detection probe reaches acombustible gas concentration pre-warning value, a field pre-warning control module sends out an alarming instruction to the field alarm apparatus to give an alarm; and when a cut-off value is reached, the data are transmitted to a management background through an Internet-of-Things data transmission module, and the management background makes a cut-off instruction to a valve cut-off control module through the Internet-of-Things data transmission module to cut off the overcurrent cut-off valve. Normal gas usage consumption and normal consumption can be judged and discriminated, intelligent pre-warning and gas supply stopping treatment can be conducted on the abnormal situations, and the dangerous situation is effectively avoided.

According to embodiments of the present invention there is provided a computer-based method and a computer program product for automatically sorting customers who make purchases from merchants using a credit card. The computer-based method includes the following steps. An adjusted index is calculated for a customer based on an amount of money the customer spent across merchants during a time period. The adjusted index is compared to a cut-off value. The customer is classified based on the comparison of the adjusted index to the cut-off value. In an embodiment, the method also includes re-classifying the customer based on at least one of (i) information about the merchants, or (ii) a number of transactions in a predetermined industry.