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112 results about "Response factor" patented technology

Response factor, usually in chromatography and spectroscopy, is the ratio between a signal produced by an analyte, and the quantity of analyte which produces the signal. Ideally, and for easy computation, this ratio is unity (one). In real-world scenarios, this is often not the case.

Method for measuring fragrance quality of tobacco and products thereof

ActiveCN101393182AHigh KR valueHigh sensory quality scoreComponent separationPreparing sample for investigationResponse factorDistillation
The invention discloses a method for mensurating the aroma quality of tobacco and a tobacco product. The method comprises the following steps: firstly, through an approach for producing an aroma substance or a degradation rule of a precursor substance, total or partial substances are selected from basic aroma substances as representative characteristic substances; secondly, an aroma-causing composition in tobacco leaf is mensurated and analyzed by simultaneously adopting a distillation and extraction-gas chromatography / mass spectrometry method; and finally, a response factor of the substances to the instrument obtained through analysis and detection is set as 1; a calculation factor KR value of a sample is calculated through directly applying data obtained by the instrument; and the aroma quality of the sampler is intuitively characterized. The method provides a convenient and effective mensuration method for controlling tobacco quality.
Owner:HONGYUN HONGHE TOBACCO (GRP) CO LTD +1

Method for gas chromatgraphy analysis and maintenance

InactiveUS20120016597A1Mitigates one or more drawbacksMitigate one or more drawbacksComponent separationSpecial data processing applicationsCalibration gasResponse factor
A method of analyzing gas chromatography data may include acquiring response factor data for each of a plurality of compounds included in one or more calibration gas samples from a gas chromatograph apparatus, and determining a correlation with molecular weight data for each of the plurality of compounds. The correlation may be analyzed to determine a condition of the gas chromatograph. The method may also determine a correlation for each of a plurality of operating phases of the gas chromatograph, for example, before and after actuation of valves which change the flow rate. The method may also include diagnosing faults, and calibrating and configuring gas chromatographs.
Owner:I VIGILANT

City planning implemented ecological security post-evaluation method

The invention discloses a city planning implemented ecological security post-evaluation method. The method comprises the following steps of: S1, establishing a comprehensive evaluation index system comprising each index factor which represents a socio-economic factor, a natural ecological factor and an ecological human response factor respectively; S2, performing standardization processing on the index factors according to different sources and characters of index data; S3, generating a spatial data-index standardization layer according to the index factors subjected to the standardization processing; and S4, determining the weight of each index factor and calculating a composite index to obtain a comprehensive evaluation result. The city planning implemented ecological security post-evaluation method has the advantages of improving the city ecological security evaluation and planning system, enhancing the continuity and systematicness, performing visualized processing on the evaluation result by combining relative software and realizing the combination of city ecological planning system regulation and spatial regulation.
Owner:BEIJING NORMAL UNIVERSITY

Accelerated weathering test apparatus with full spectrum calibration, monitoring and control

An accelerated weathering test apparatus and method for calibration and operation thereof including a spectroradiometer for monitoring a full spectrum power distribution of a light source. Calibration includes a calibration light source in a factory test apparatus operated at a fixed power level and collecting the full spectrum power distribution of the calibration light source to generate a first data set. The calibration light source is then installed in a client test apparatus and operated at the fixed power level in order to collect the full spectrum power distribution and generate a second data set. The first and second data sets are filtered and aligned to determine a system response factor of the client test apparatus so that the irradiance level control may be calibrated.
Owner:ATLAS MATERIAL TESTING TECH L L C

Improved method of analysing gas chromatography data

ActiveUS20130304393A1Economical resourceWaste of time economicalComponent separationSpecial data processing applicationsResponse factorData set
A method of analysing gas chromatography data is described. The method, a first response factor data set acquired from a gas chromatograph (GC) apparatus during a procedure on a calibration or reference gas sample at a first time is received. One or more additional response factor data sets acquired from the gas chromatograph apparatus during a procedure on a calibration or reference gas sample from one or more later times are received. The method comprises calculating a measure of uncertainty for at least one compound of the reference gas sample from the first and additional response factor data sets. The one or more later times are during an operational period of the gas chromatograph apparatus. The measure of uncertainty may be used to, for example, identify the necessity to perform a maintenance action in the GC or to assess whether the GC is in a healthy or unhealthy condition.
Owner:I VIGILANT TECH

DSP Assisted and On Demand RF and Analog Domain Processing for Low Power Wireless Transceivers

A wireless user equipment (UE) device may include a receiver and transmitter. The UE device may dynamically vary the fidelity requirements imposed on the analog signal processing performed by the receiver and / or the transmitter in response factors such as: amount of signal interference (e.g., out-of-band signal power); modulation and coding scheme; number of spatial streams; extent of transmitter leakage; and size and / or frequency location of resources allocated to the UE device. Thus, the UE device may consume less power on average than a UE device that is designed to satisfy fixed fidelity requirements associated with a worst case reception scenario and / or a worst case transmission scenario.
Owner:APPLE INC

Beam codebook generating method, beam searching method and relevant device

The embodiment of the invention discloses a beam codebook generating method, a beam searching method and a relevant device. The beam codebook generating method comprises the following steps of: calculating a first array response factor of a standard beam according to the quantity of actually-generated beam signal channels, and calculating a second array response factor of the standard beam according to the quantity of pre-set target beam signal channels; carrying out radiation power normalization on the first array response factor so as to obtain a first radiation factor of the standard beam, and carrying out the radiation power normalization on the second array response factor so as to obtain a second radiation factor of the standard beam; normalizing the first radiation factor and the second radiation factor, so as to obtain a beam codebook of the standard beam; and rotating the obtained beam codebook of the standard beam, so as to obtain a beam codebook of the other beam except the standard beam in the target beams. With the adoption of the beam codebook generating method provided by the invention, all the beam channels can be used, and the realization difficulty of hardware can be reduced.
Owner:HUAWEI TECH CO LTD +1

Three-dimensional human head point cloud feature extraction method and device thereof

The invention discloses a three-dimensional human head point cloud feature extraction method and a device thereof. The method comprises steps that 1, point cloud data pre-processing, sampling, outlier removal and noise removal are included; 2, training stage, a normal and an FPFH (fast point feature histogram) value of each point are calculated, and a K-dimensional tree is established; 3, FPFH values of three typical feature portions are segmented and extracted from a given model; 4, searching is carried on the K-dimensional tree established in the step 2, and a candidate set is searched; and 5, a principal curvature of each point of the candidate set and a shape response factor are calculated, a feature point is finally determined according to profiles of the three typical features and the position of a nose tip. Through the method, sensitivity to illumination and angles during two-dimensional feature extraction in the prior art is overcome, training of the large-scale data is not required, and rapid and accurate extraction of the three typical human head features is realized, and typical features of the nose tip, a left auditory meatus and a right auditory meatus can be extracted on the basis of the three-dimensional human head point cloud data.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST

Method for detecting content of short-chain or medium-chain chlorinated paraffin in paint

The invention discloses a method for detecting content of short-chain or medium-chain chlorinated paraffin in a paint. The method comprises the following steps: extracting the short-chain or medium-chain chlorinated paraffin in the paint, detecting with a gas chromatography-negative chemical ionization source mass spectrometry detector, using the internal standard method, performing linear association on a total response factor of a short-chain or medium-chain chlorinated paraffin standard sample on the NCI (negative chemical ionization) mass spectrometry detector with the chlorine content of a short-chain or medium-chain chlorinated paraffin standard solution, detecting the actually measured chlorine content of the sample by the gas chromatography-negative chemical ionization source mass spectrometry detector, corresponding the actually measured chlorine content with the a liner reaction expression of the total response factor and the chlorine content of the short-chain or medium-chain, to obtain the total response factor of the sample, and thus obtaining the content of the short-chain or medium-chain chlorinated paraffin in the paint. The analysis method disclosed by the invention is exact and fast, has small interfering, and can perform optimal separation and qualitative and quantitative detections on each component in the sample.
Owner:GUANGDONG TESTING INST OF PROD QUALITY SUPERVISION

A modeling method and system for evaluating aggregation frequency modulation performance of a distributed energy storage system

The present invention provides a modeling method and system for evaluating aggregation frequency modulation performance of a distributed energy storage system. A method and system can be implement bydetermining a power grid aggregation target, and calculating the response factor of each distributed energy storage unit of the distributed energy storage system to the power grid aggregation frequency modulation, combining with the preset constraints of distributed energy storage system and power grid, adopting particle swarm optimization (PSO) to optimize the pre-established objective function of power system, determining the optimal aggregation frequency modulation scheme of distributed energy storage system, and then performing simulation analysis on the economy of the grid before and after the access of distributed energy storage system according to the preset model on the simulation model,so as to evaluate the frequency modulation performance of distributed energy storage system after the access of distributed energy storage system to grid. By optimizing the output of the distributed energy storage system, the method and the system realize the timely treatment of the frequency problems existing in the power grid, prevent the occurrence of large-scale cascading failures, and give full play to the application potential of the distributed energy storage system.
Owner:CHINA ELECTRIC POWER RES INST +2

GC high-temperature high-pressure sample directly-sampling method and equipment

The invention provides a gas-phase chromatographic sampling method and device which can online analyze high-temperature high-pressure gas-liquid mixing sampling source. The sample enters ten-way valve quantitative tube from the high-pressure sampling source (high-pressure kettle or container) through high-pressure resisting tube, and after filling up the tube, is directly placed in the air through damping tube or high-pressure, doubled-pressure, pressure-stabilizing valve, to keep the pressures of the quantitative tube and the sampling source consistent; at the same time it pours eluting solvent in the eluting solvent quantitative tube; turns the ten-way valve to the sampling position, so that the auxiliary carrier gas feeds the eluting solvent together with the sample into gas chromatographic sampler, then quantitatively analyzes by area normalization with response factor, and obtains the composition of high-pressure sample by primarily sampling. The device includes auxiliary carrier gas flow stabilizing system, high-temperature resisting ten-way valve, damping tube or high-pressure, pressure-doubling, pressure stabilizing valve, eluting solvent system and sample transmission capillary.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Maize water-logging tolerance-related transcription factor gene zm-bRLZ, molecular marker and application

The invention belongs to the technical field of plant gene engineering, and relates to clone and application of a maize water-logging tolerance-related transcription factor gene zm-bRLZ. The nucleotide sequence of the gene is shown as SEQ ID No. 1, and the gene has a total length of 4,027bp and comprises 6 exons. The cDNA sequence of the gene is shown as SEQ ID No. 2, and 282 amino acids are encoded on the gene. In flooding stress, the expression of the gene in maize inbred line Hz32 seedling roots is up-regulated and the expression level of the gene in the Mo17 is kept unchanged. The in-vitro combination of a gene protein product and an antidiuretic hormone (ADH) promoter anaerobic response factor shows that the zm-bRLZ gene has a regulation and control effect on an anaerobic induced gene. A pair of cleaved amplified polymorphic sequence (CAPS) markers is developed by utilizing zm-bRLZ gene sequence difference of the maize water-logging tolerance inbred line Hz32 and high-sensitivity K12. The gene is positioned at a water-logging tolerance quantitative trait locus (QTL) peak part of 9.04bin by utilizing K12*Hz32 F2 group. A candidate gene correlation analysis proves that a zm-bRLZ gene promoter region and a plurality of single nucleotide polymorphism (SNP) sites at a 3'-untranslated region (3'-UTR) are all obviously associated with a plurality of water-logging tolerance indexes.
Owner:HUAZHONG AGRI UNIV

Preparation method and application for double-response bi-crosslinked injectable hydrogel used for fine-controlled release of insulin

The invention relates to preparation and applications for double-response bi-crosslinked injectable hydrogel used for fine-controlled release of insulin. A chitosan derivative having excellent biocompatibility, biodegradability and antibacterial property is employed as a basic high molecule, and two dynamic bonds comprising imine bond and phenylboronate are employed for preparing pH / glucose bi-sensitive injectable hydrogel, and meanwhile bio-active molecules, such as glucose oxidase and the like, are introduced into the gel substrate through a disulfide bond and the like dynamic bonds to form a double glucose response system. Through the two glucose response factors, phenylboronate and the glucose oxidase, the concentration change of glucose in external environment can be sensed at the same time, thereby causing reversible reaction of the imine bond and phenylboronate in the system, so that the bi-crosslinked network structure of the hydrogel is changed greatly to release the medicines. High sensitivity and quick response to concentration change of glucose are achieved through double sensing units (the glucose oxidase and the phenylboronic acid group) and double accepting units (the imine and phenylboronate).
Owner:NINGBO UNIV

Detection method for content of sanshool in Chinese prickly ash extract

The invention discloses a detection method for content of sanshool in a Chinese prickly ash extract and belongs to the technical field of foods. The detection method includes the steps of: detecting ato-be-detected sample solution and a synthesized capsicine standard solution with a liquid chromatograph to obtain peak areas, and calculating the content of the sanshool in the to-be-detected sampleaccording to the equation Xi = (Si / S0)*(C0 / f)*d / m, wherein Xi is content of any one sanshool component in the sample, Si is the peak area of the any one sanshool component in the sample, S0 is the peak area of the synthesized capsicine, C0 is the concentration of the synthesized capsicine, f is relative responding factor of hydroxyl-alpha-sanshool relative to the synthesized capsicine, d is diluting ratio of the sample, and m is the weight of the sample. The detection method can guarantee stability and accuracy, solves a problem of instability of a sanshool standard substance, is simple in operation and achieves standardization of detection.
Owner:CHENGUANG BIOTECH GRP CO LTD

Method and system for determining grounding grid corrosion point

The invention discloses a method and a system for determining a grounding grid corrosion point. The method is applied to the system, and includes the steps that alternating currents with certain frequency and a certain size are injected to a grounding grid, alternating magnetic field strength of a detected point in the grounding grid is detected, and normalization response factors of the detected point are calculated; and when the normalization response factors accord with a preparatory condition, the detected point is determined to be a corrosion breakpoint. Through the method, the fact whether a corrosion point exists in the grounding grid or not can be determined, as long as the alternating currents with the certain frequency and the certain size are injected to the grounding grid, normalization processing is carried out on the alternating magnetic field strength of the detected point, and thus the normalization response factors are obtained. When the normalization response factors accord with the preparatory condition, the detected point is determined to be the corrosion point. According to the method, excavation of the grounding grid in a large area is needless, a great quantity of labor and working blindness are avoided, and normal operation of an electric system can also be guaranteed.
Owner:STATE GRID CHONGQING ELECTRIC POWER CO ELECTRIC POWER RES INST +2

Method for rapidly determining nanofiltration membrane kind and operation conditions during water processing

The invention discloses a method for rapidly determining nanofiltration membrane kind and operation conditions during water processing, and belongs to the field of nanofiltration membrane recovery during water processing. The method comprises the steps: (1) screening pressure X1, temperature X2 and water inlet flow X3 as response factors, and designing experiment combinations; (2) employing membrane flux Y1 and pollution index Y2 as response value; (3) immersing a nanofiltration membrane in pure water, pre-pressing for usage; (4) filtering wastewater by a precision filter; (5) performing filtration experiments; (6) at the beginning and after two hours of the membrane filtration experiments in the step (5), respectively employing a balance to measure the water outlet flux, employing a conductivity instrument to measure the conductivity, and employing an ultraviolet spectrophotometer to measure UV<254>, so as to obtain salt removing rate and organics removing rate; (7) determining a regression model equation; (8) determining optimum operation conditions; and (9) determining membrane performance evaluation index I. The method is capable of relatively rapidly performing quantitative evaluation on nanofiltration membrane performances and comparing various nanofiltration membranes through a quantification process.
Owner:NANJING UNIV

Method for determining content of 12 residual metals in medicines

InactiveCN109374805AEasy to handleAvoid digestionComponent separationResponse factorMetals in medicine
The invention discloses a method for determining content of 12 residual metals in medicines and in particular relates to the technical field of determination of residual metals in medicines. The method specifically comprises the following steps: S1, taking 12 metal element standard substances, taking a 5%HNO3-2%HCl solution as a solvent, preparing a reference solution, taking to-be-detected medicines, and dissolving with 5%HNO3-2%HCl to obtain a test solution; S2, preparing two parts of reference solutions in parallel, taking the 5%HNO3-2%HCl solution as a blank control, performing ICP-MS (Inductively Coupled Plasma Mass Spectrometry) to respectively obtain response values of the 12 metal elements in the reference solution, and making a standard curve corresponding to each element; and S3,taking the test solution, taking the 5%HNO3-2%HCl solution as the blank control, performing ICP-MS detection to obtain the peak area of the test solution, and calculating the content of each metal element in the test solution by a response factor. According to the method disclosed by the invention, the sample pretreatment is simple and convenient, the time is saved, risk is greatly reduced, the detection time is saved, and the detection efficiency is improved.
Owner:南京明捷生物医药检测有限公司

Landslide dynamic response condition analysis method under multiple influence factors

ActiveCN107908835AAvoid insufficiency of constant sensitivityWell excavatedGeometric CADCharacter and pattern recognitionReal time analysisResponse factor
The invention discloses a landslide dynamic response condition analysis method under multiple influence factors. The method comprises the steps that statistical analysis is performed on rainfall data,reservoir water level data and surface displacement data according to the number of times of rainfall; rainfall types are divided; reservoir water level feature values are extracted; a response factor model of a landslide on external influence factors is constructed; dynamic response factors of the landslide on the external influence factors at different moments are obtained; and then according to the dynamic response factors of the external influence factors at different moments, dynamic response conditions of the landslide on different external influence factors are analyzed, and the external influence factors and the dynamic response factors are utilized to fit a surface displacement rate to obtain internal structure change conditions of the landslide. Through the method, the internalstructure change conditions of the landslide can be analyzed in real time, and the method is beneficial for analysis, prediction and early warning of the landslide subsequently.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Dechlorination deuterium-added gas chromatography-mass spectrometry method for short-chain and medium-chain chlorinated paraffin

The invention provides a method for detecting content of short-chain and medium-chain chlorinated paraffin. The method comprises: making a sample containing short-chain and medium-chain chlorinated paraffin and a deuteriation reducing reagent to have a deuterium-adding dechlorination reaction at 80-120 DEG C, so as to generate an alkane with corresponding deuterium substituting quantity; then performing water deactivation and alkali processing, and employing hexane to performing multi-time extraction on the sample, and concentrating and getting a constant volume; and employing gas chromatography-mass spectrometry to perform quantitative analysis on the deuterated alkane with different deuterium substituting quantity, so as to obtain concentration and distribution characteristic of homologue compositions of short-chain and medium-chain chlorinated paraffin with different carbon chain length and different chlorine substituting quantity. Chlorine content does not influence response factors in the method, the method effectively solves problems in a gas chromatography-electron capturing negative chemical source-mass spectrum method generally employed for analyzing short-chain and medium-chain chlorinated paraffin at present, and mutual interference of homologues is avoided, and the method is accurate in detection result and simple in operation, and can be used as a laboratory routine standard analysis method.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Method for correcting the measured concentrations of gas components in drilling mud

A method of characterizing formation fluid present in a subsurface earth formation during drilling using methods for correcting the measured concentrations of gas components in drilling mud. Gas trap values for the gas components of interest, light hydrocarbons, are measured during mud logging and are corrected using relative response factors, determined from laboratory fluid analysis values and relative extraction efficiency values. The relative response factors for each gas component of interest can be used for correcting additional gas trap values measured in the same well or for correcting gas trap values measured in surrounding wells utilizing a similar drilling fluid. The corrected gas trap values for each of the gas components of interest can be utilized to calculate gas / oil ratios for characterizing the formation fluid from the volume of drilling mud.
Owner:CHEVROU USA INC

PSR model based grid infrastructure vulnerability evaluation method

The invention relates to a PSR model based grid infrastructure vulnerability evaluation method. The PSR model based grid infrastructure vulnerability evaluation method comprises the following steps of step 1, establishing evaluation indexes of a PSR model according to home and abroad grid infrastructure disaster statistics data, wherein the evaluation indexes comprise a hazard body, a hazard-bearing body and a relation between the hazard body and the hazard-bearing body; step 2, determining evaluation factors and evaluation indexes of the PSR model according to the evaluation indexes, wherein the evaluation factors comprise the pressure factor, the state factor and the response factor; step 3, establishing the PSR model of the grid infrastructure; step 4, obtaining the vulnerability evaluation level of the grid infrastructure through calculation according to the PSR model of the grid infrastructure and taking the corresponding strengthening measures according to the vulnerability evaluation level. Compared with the prior art, the algorithm is advanced, the consideration is comprehensive, the analysis is objective, and the like.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO

Ethylene response factor gene of cotton transcription factor

The invention belongs to the field of application of biotechnology and relates to an ethylene response factor gene of a cotton transcription factor. The ethylene response factor gene is Gh ERF7, a sequence of the ethylene response factor gene in upland cotton vitex 8891 and tetraploid upland cotton (G.hirsutum) TM-1 is shown in SEQ ID NO.1, the sequence of the ethylene response factor gene in a tetraploid sea island cotton (G.barbadense) H7124 is shown in SEQ ID NO.2, and a sequence of the ethylene response factor gene in Africa cotton (G.herbaceum) and Asian cotton (G.arboreum) genome is shown in SEQ ID NO.3. An ethylene response factor family gene (Gh ERF7) has no obvious response on adversity but is related to growth of cotton ovule and early fiber and yield of cotton, and the yield of cotton is obviously increased as the ethylene response factor gene exists in a genome. The ethylene response factor gene can regulate expression of some genes related to control on cotton yield factors, so that great contribution is done to increase of the yield of cotton, and the yield of cotton is hopefully greatly increased when the ethylene response factor gene is excessively expressed.
Owner:NANJING AGRICULTURAL UNIVERSITY

Temperature sensitive graphene-based gold-platinum core-shell bimetallic catalyst and preparation method thereof

The invention relates to a temperature sensitive graphene-based gold-platinum core-shell bimetallic catalyst and a preparation method thereof. The catalyst is characterized in that a gold-platinum core-shell structured bimetallic nanoparticle with the particle size of 35-50nm is supported on a graphene carrier as an active site, sulfhydrylated polyisopropyl acrylamide grafted glucan is coated on the gold-platinum core-shell structured bimetallic nanoparticle as a temperature stimulation response factor, the catalyst concretely comprises 28-42.5wt% of graphene, 2.4-9wt% of gold, 2.4-9wt% of platinum, and 50-60wt% of the sulfhydrylated polyisopropyl acrylamide grafted glucan, and the sum mass percentages of all components is 100%. The method comprises the following steps: preparing a temperature sensitive graphene-based gold-platinum core-shell bimetallic catalyst precursor; preparing an aqueous solution of polyisopropyl acrylamide grafted glucan; and preparing the temperature sensitive graphene-based gold-platinum core-shell bimetallic catalyst. The catalyst has the advantages of high catalysis activity, good reusability, and realization of temperature control of the catalysis activity.
Owner:TIANJIN UNIV

Optical remote sensing video object tracking method based on depth SR-KCF filter

The invention provides an optical remote sensing video object tracking method based on depth SR-KCF filter, is used for improving the tracking accuracy on the basis of ensuring the tracking speed. Therealization steps are as follows: obtaining the training set of the object detection network R-FCN; training target detection network; optimizing the target tracking algorithm KCF to obtain SR-KCF; setting The judging condition of target state in target tracking algorithm SR- KCF; Constructing detection-assisted tracking algorithm; setting matching condition between tracking target and detectiontarget; Acquiring information of an object contained in a first frame image of an optical remote sensing video; acquiring information of an object contained in the second frame and subsequent images of the optical remote sensing video; outputting optical remote sensing video object tracking results. The invention can extract more advanced features of the target by using depth learning, adds a background suppression factor and a sparse response factor to the correlation filtering algorithm KCF, and effectively improves the tracking accuracy.
Owner:XIDIAN UNIV

Key ethylene response factor for regulating chlorophyll degradation of citrus peels

The invention provides a key ethylene response factor CitERF6 (SEQ: NO. 1) for regulating the chlorophyll degradation of citrus peels. The key ethylene response factor comprises a conservative AP2 / ERF structural domain and a Pat4(RKRK) nuclear localization signal. During the ethylene treatment of harvested citrus fruits, the expression of CitERF6 is enhanced under external ethylene induction. When the CitERF6 instantly overexpresses in the citrus peels, the chlorophyll degradation of the citrus peels can be promoted and accelerated. The key ethylene response factor has the advantages that by the PCR, real-time and quantitative PCR and citrus fruit instant expression technologies, the citrus ethylene response factor CitERF6 is cloned, and identification of the CitERF6 shows that the CitERF6 can participate in the chlorophyll degradation; the CitERF6 is applicable to genetic engineering breeding of plant color modification and especially to the regulation of the chlorophyll degradation of the citrus peels, and a theoretical basis is provided for the further researches of the peel coloring technology and the acting mechanism of the CitERF6.
Owner:ZHEJIANG UNIV

Method and system for evaluating mountain torrent disaster risks of villages along river based on DPSIR model

ActiveCN110298577AAccurately locate flood control weak pointsHas the characteristics of mountain torrent disaster risk assessmentClimate change adaptationResourcesRisk levelResponse factor
The invention provides a method and a system for evaluating mountain torrent disaster risks of villages along river based on a DPSIR model. The evaluation method comprises the following steps: selecting indexes corresponding to a driving force factor, a pressure factor, a state factor, an influence factor and a response factor, and constructing an index system based on a DPSIR model to form an index library; screening out a preset number of indexes related to each factor from an index library, and obtaining corresponding index values and performing normalization processing; calculating the weight of the selected index; multiplying the corresponding normalized index value of the screened pressure factor, the corresponding normalized index value of the state factor, the corresponding normalized index value of the influence factor and the corresponding normalized index value of the response factor by corresponding weights respectively, and then accumulating the same kind to obtain a pressure degree P, a pressure bearing degree S, a vulnerability degree I and a loss stopping degree R; and introducing a reduction pressure bearing degree and a reduction vulnerability degree, calculatingto obtain a comprehensive evaluation risk degree, comparing the comprehensive evaluation risk degree with a preset risk level threshold value, and judging the mountain flood disaster risk level to which the village along the river belongs at present.
Owner:UNIV OF JINAN

Devices and methods for determining and predicting breakthrough times and steady state permeation rates of organics

Methods and devices for determining the breakthrough times and steady state permeation rates of a chemical sample through a material and calibration methods that utilize the principal of relative carbon response factors using flame ionization responses of a reference gas.
Owner:DOW REICHHOLD SPECIALTY LATEX LLC

Regional water environment risk zoning method

The invention provides a regional water environment risk zoning method comprising the steps that a driving force factor, a pressure factor, a state factor, an impact factor and a response factor of a DPSIR module are determined; a regional water environment risk assessment index system is constructed, and the constructed regional water environment risk assessment index system comprises a target layer, a system layer, a criterion layer and an index layer which reflect the regional water environment risk from different angles; the weight of each index is calculated by using the analytic hierarchy process and value assignment is performed, and then all the index systems are quantitatively graded; then the regional water environment risk value is calculated through a fuzzy comprehensive evaluation method; and the regions are divided into a high-risk region, a medium-risk region, a low-risk region and a no-risk region in a decreasing order according to the risk with ArcGIS acting as an auxiliary tool. According to the scheme, the regional water environment can be more accurately assessed so as to provide accurate basis for decision.
Owner:BEIJING NORMAL UNIVERSITY

Method for determining caprylin and caprin in cigarette blasting bead

The invention relates to a method for determining caprylin and caprin in cigarette blasting bead, which belongs to the technical field of chemical analysis tests. The method comprises the following steps: 1) the blasted cigarette blasting bead is mixed with hexane and internal standard substance, a mixture is extracted, and a supernatant is taken for carrying out GC-FID determination; and 2) tricaprylin is taken as a standard substance, and the content of caprylin and caprin can be calculated through relative response factors of the caprylin and caprin on tricaprylin as well as a standard working curve of tricaprylin. The method realizes quantification without gradual making of the standard working curves of a to-be-analyzed object, the total content of all components in caprylin and caprin can be calculated by one standard working curve of tricaprylin, and calculating difficulty can be greatly simplified.
Owner:CHINA NAT TOBACCO QUALITY SUPERVISION & TEST CENT
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