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40results about How to "Meet the needs of actual testing" patented technology
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Determination method by liquid chromatography-electrospray mass spectrometry for detecting various phthalate esters in milk simultaneously
InactiveCN101551363AHigh sensitivityImprove accuracyComponent separationMass spectrometry detectorGradient elution
The invention provides a determination method by liquid chromatography-electrospray mass spectrometry (LC-ESI-MS / MS) for detecting various phthalate esters in milk simultaneously, belonging to the field of food detection technology. The milk sample is directly extracted by acetonitrile and sodium chloride; a formic acid ammonium acetate solution-carbinol system is taken as a flowing phase for liquid chromatography separation so as to carry out gradient elution; and the quantitative detection is carried out by a mass spectrum detector by adopting the peak area method of an external standard method. The method has high sensitiveness, good exactness and preciseness, reliable specialization and authenticity, is extremely simple and convenient and easy to be applied to practical detection, and can meet the requirement in practical detection excellently.
Owner:JIANGNAN UNIV
Acrylic amide complete antigen preparation and its ELISA quantitative determination method
The invention provides a method for preparing acrylamide complete antigen. The method is as follows: amine uncoupling reaction is directly carried out between N-acryloyloxy succinimide and the surface amino group of carrier protein molecule in a neutral or weakly alkaline phosphate buffer solution, thereby forming acrylamide complete antigen. Polyclonal antibody capable of realizing specificity identification of acrylamide is obtained through a complete antigen immune animal, so as to establish an enzyme immunoassay method suitable for measuring the content of acrylamide in an aqueous solution or food and to provide a corresponding reagent box. The method has simple operation and does not need other reaction reagent, thereby furthest maintaining the structural integrity of acrylamide; moreover, the method ensures that a coupling position is at a maximum distance from a feature group so as to fully expose the feature structure of acrylamide molecule. The established enzyme immunoassay method of acrylamide and the reagent box have strong specificity, high sensitivity and convenient operation, and are suitable to realize massive sample detection which has low cost and is quick and simple.
Owner:PEKING UNIV
Detection method of hormone in blood
The invention provides a detection method of hormones in blood, and belongs to the field of the detection of the hormones. The detection method comprises the following steps of mixing and storing the blood and an internal standard solution including a hormone isotope internal standard on a filter paper disc, and preparing an obtained mixture into a dried blood spot. An extracting solution is obtained from the dried blood spot through extraction, and a detection solution is obtained by carrying out derivatization treatment on the extracting solution. The hormone in the detection solution is detected through liquid chromatographic-mass spectrometric detection. In the method provided by the invention, the blood is stored on the filter paper disc, and then the purpose of quickly and effectively carrying out qualitative and quantitative detection on the hormone in the blood is realized through extraction and derivatization processes and by utilizing a liquid chromatographic-mass spectrometric method. As the blood is stored on the filter paper disc and is stored in the form of a solid, a biological safety problem possibly brought about in a transportation process is avoided; moreover, the stability can be greatly improved; therefore, a detected sample is prevented from being polluted by a microorganism.
Owner:HANGZHOU HEALTH BANK MEDICAL LAB CO LTD
Method for efficiently detecting 15 kinds of bile acid in blood
InactiveCN107356694ASolve the distance problemSave solutionComponent separationLiquid chromatography mass spectroscopyFilter paper
The invention provides a method for efficiently detecting 15 kinds of bile acid in blood. In the method, serum is directly preserved on a filter paper scrip, and through an efficient extraction process, extracted bile acid is directly injected on a liquid chromatography-mass spectroscopy; 15 kinds of the bile acid in blood can be efficiently detected in a high-throughput and high-repeatability mode, and the method has the wide application value.
Owner:HANGZHOU HEALTH BANK MEDICAL LAB CO LTD
HPLC detection method of MES and NHS residues
ActiveCN104407077AImprove linear rangeEasy to operateComponent separationOrganic solventAcetonitrile
The invention discloses an HPLC detection method of MES and NHS residues. A reversed-phase C18 silica bonded chromatographic column is used, a mobile phase consists of a phosphate buffer of pH 6.5 to 6.8, and an organic solvent, and the detection wavelength is 205 to 210nm; the organic solvent is methanol or acetonitrile. According to the method, samples do not need to be specially treated, the operation method is simple and easy to implement, the accuracy is high, the needs in actual detection can be met, and two substances MES and NHS can be detected to reach microgram scale.
Owner:ZHEJIANG JINGJIA MEDICAL TECH CO LTD
Multifunctional food detection system
InactiveCN103592449AAchieve diversificationMeet the needs of actual testingColor/spectral properties measurementsBiotechnologyBiochemical engineering
The invention relates to a multifunctional food detection system, comprising a power supply module, a system setting unit, a sample pre-treating unit, a detection unit and an information output unit, wherein the power supply module provides electric power for the sample pre-treating unit and a detection host unit, the system setting unit is used for setting parameters of the sample pre-treating unit and the detection unit, the sample pre-treating unit is used for pre-treating a to-be-detected sample, the detection unit is used for detecting and treating the sample, and the information output unit is used for outputting detection results. The multifunctional food detection system provided by the invention is capable of effectively detecting a plurality of components in food, realizes diversification of detection functions and continuity of detection process and meets needs of actual detection.
Owner:中山鼎晟生物科技有限公司
Flexible micro-column ring array for detecting clot contractility and preparation method and application thereof
ActiveCN111551701AHigh sensitivityStop the outflowBiological testingLaser beam welding apparatusClot retractionPlatelet contraction
The invention discloses a flexible micro-column ring array for detecting the contractility of a clot and a preparation method and application of the flexible micro-column ring array. The micro-columnring array is composed of a plurality of micro-column rows arranged periodically, each micro-column row is provided with a plurality of micro-column rings, and each micro-column ring is composed of four or more micro-columns forming a ring shape in a surrounding mode, wherein a circular pore with a certain diameter is formed in the micro-column ring, and when the contractility of the clot is detected, whole blood is dropped into the circular pore of the micro-column ring for blood coagulation detection. According to the invention, a whole blood sample is efficiently fixed in the micro-column ring by utilizing the interfacial tension of a solid-liquid-gas system and the resistance of the micro-column; meanwhile, the micro-column is used as a force sensor to measure the contraction force ofa clot in real time, the detection result is high in sensitivity and low in detection cost, and clinical transformation is easy; besides, platelets do not need to be separated from blood, whole bloodcan be used for detection, the influence of other components in the blood on platelet contraction is fully considered, and the result is more objective and comprehensive.
Owner:SHENZHEN UNIV
Liquid-phase detection method for casein phosphopeptides in milk
ActiveCN103760246AEasy to detectAchieve separationComponent separationQuantitative accuracyEvaporation
The invention discloses a liquid-phase detection method for casein phosphopeptides in milk. The liquid-phase detection method comprises the following steps of adding casein phosphopeptides to milk to be detected to prepare a 10-100ppm casein phosphopeptides dispersion solution, carrying out decalcification through cation exchange resin after deproteinization, performing impurity removal and enrichment on an eluant obtained after the deproteinization through the cation exchange resin, carrying out vacuum rotary evaporation on a collecting liquid at the temperature of 60-70 DEG C at the revolving speed of 50-60rpm, and filtering through a membrane to take the collecting liquid as a liquid-phase detection sample; and carrying out liquid-phase detection on the liquid-phase detection sample, and calculating the concentration of the casein phosphopeptides added to the milk by using a peak area method according to an external standard method. The liquid-phase detection method provided by the invention has the advantages that the capital investments of reagents, instruments and the like at the initial stage of the experiment are reduced, the relative simple efficient purification steps are performed, the separation of the casein phosphopeptides is realized, the quantitative accuracy is guaranteed, the interference of impurities such as other proteins and lipids is effectively removed, the final detective sensitivity is improved, and the detection of a sample with low casein phosphopeptides content is beneficial.
Owner:GREENCREAM BIOTECH
Method for simultaneously measuring seven index components in formula granules of Huagai powder for treatment of wind-cold-caused common cold and asthma by using high performance liquid chromatography
InactiveCN109856270ASimple processing methodFully extractedComponent separationPretreatment methodPseudoephedrine
The invention discloses a method for simultaneously measuring seven index components in formula granules of Huagai powder for treatment of wind-cold-caused common cold and asthma by using high performance liquid chromatography. The seven index components include ephedrine hydrochloride, pseudoephedrine, amygdalin, glycyrrhizic acid, liquiritin, sanggenon C, and sanggenon D. The method comprises the following steps: step one, preparing a standard solution; step two, preparing a test sample solution; step three, carrying out liquid chromatogram separation; step four, performing a content calculation method. According to the invention, the pretreatment method of sample extraction is simple and the index components can be extracted fully. The method is performed accurately and rapidly with high sensitivity and low cost; and various methodological indexes can satisfy the actual detection demands. Seven measured compounds have high linearity in a standard curve linear range, wherein R2 is larger than 0.9990; the within-day precision relative standard offsets of all components are less than 1.0%; and the day-to-day precision relative standard offsets are less than 3.0%. The recovery ratesof the seven index components are in a range of 90.0% to 110.9%.
Owner:ZHEJIANG PHARMA COLLEGE +1
Detecting method for modified nucleoside in urine
ActiveCN105548407AAvoid pollutionImprove stabilityComponent separationMicrobial pollutionTest sample
The invention provides a detecting method for modified nucleoside in urine. The method specifically comprises the following steps: pretreating the urine and storing the pretreated urine on a piece of filter paper, then carrying out extraction to obtain a to-be-tested sample; carrying out liquid chromatography tandem mass spectrometry detection on the to-be-tested sample, so as to obtain the variety and the content of the modified nucleoside. In the detecting method provided by the invention, the modified nucleoside in the urine can be quickly and effectively detected qualitatively and quantitatively by storing the urine on the filter paper, then carrying out extraction and using the liquid chromatography tandem mass spectrometry method; as the urine is stored on the filter paper, and the urine sample is converted into a solid form to be stored, the stability is greatly improved, and the microbial pollution to the detected sample is avoided; furthermore, the method provided by the invention is easier and more convenient than the existing freezing method.
Owner:HANGZHOU HEALTH BANK MEDICAL LAB CO LTD
Double digital PCR fluorescent quantitative detection method for transgenic maize BT176
InactiveCN105112530AReduce preprocessing stepsAvoid adverse effects on accuracyMicrobiological testing/measurementDNA/RNA fragmentationBiotechnologyReference genes
The invention provides a double digital PCR fluorescent quantitative detection method for transgenic maize BT176. According to the method, quantitative detection can be directly performed on the transgenic maize BT176 in genomes of samples to be detected, and therefore the standard curve plotting step in quantitative detection of a conventional PCR method and the sample preprocessing step in existing digital PCR detection are omitted; in addition, transgenic ingredients are calculated according to the proportion of the exogenous gene copy number and the reference gene copy number, and therefore the stability of quantitative detection of the transgenic ingredients can be improved by performing double detection on one reaction system. Through the method, absolute quantitative detection on the transgenic maize BT176 can be achieved, the quantitative detection limitation can reach 0.5%, the sensitivity can reach 0.1%, and the requirements of actual detection of all the transgenic ingredients can be met. In addition, the method is easy to operate and high in flexibility and serves as an effective method for absolute quantitative detection of transgenes.
Owner:CHINESE ACAD OF INSPECTION & QUARANTINE
Automatic test device of vehicle central electric junction box
InactiveCN102435891AMeet the requirements of the test currentMeet the needs of actual testingElectrical testingTest efficiencyAutomatic test equipment
The invention discloses an automatic test device and relates to the field of vehicle central electric junction boxes. The automatic test device is arranged between positive and negative electrodes of a power supply and a junction box. The automatic test device comprises a microprocessor, and a current adjustment circuit, a first channel selection circuit, a second channel selection circuit and a current detection circuit, which are respectively connected with the microprocessor, wherein the current adjustment circuit automatically changes a load according to the current test requirement of the microprocessor; the first channel selection circuit is connected with the current adjustment circuit in series and positioned between the positive electrode of the power supply and the junction box; the second channel selection circuit is arranged between the junction box and the negative electrode of the power supply; the current detection circuit is positioned between the microprocessor and the junction box, and used for acquiring an actual current which is currently input into the junction box and transmitting an actual current signal to the microprocessor; and the microprocessor controls motion of the current adjustment circuit according to a comparison result. By adoption of the automatic test device, automatic operation is completely realized. The automatic test device has the characteristics of simplicity of operation, high test efficiency and high test reliability.
Owner:TUNG THIH ELECTRONICS (XIAMEN) CO LTD
Artillery body tube measuring device based on Beidou radio navigation satellite system (RNSS)
InactiveCN105180713AEnsure consistencyHuman factors have little influenceWeapon testingMeasurement deviceEngineering
Owner:PEOPLES LIBERATION ARMY ORDNANCE ENG COLLEGE
A liquid-phase detection method for casein phosphopeptide in milk
ActiveCN103760246BHigh sensitivityImprove accuracyComponent separationQuantitative accuracyEvaporation
The invention discloses a liquid-phase detection method for casein phosphopeptides in milk. The liquid-phase detection method comprises the following steps of adding casein phosphopeptides to milk to be detected to prepare a 10-100ppm casein phosphopeptides dispersion solution, carrying out decalcification through cation exchange resin after deproteinization, performing impurity removal and enrichment on an eluant obtained after the deproteinization through the cation exchange resin, carrying out vacuum rotary evaporation on a collecting liquid at the temperature of 60-70 DEG C at the revolving speed of 50-60rpm, and filtering through a membrane to take the collecting liquid as a liquid-phase detection sample; and carrying out liquid-phase detection on the liquid-phase detection sample, and calculating the concentration of the casein phosphopeptides added to the milk by using a peak area method according to an external standard method. The liquid-phase detection method provided by the invention has the advantages that the capital investments of reagents, instruments and the like at the initial stage of the experiment are reduced, the relative simple efficient purification steps are performed, the separation of the casein phosphopeptides is realized, the quantitative accuracy is guaranteed, the interference of impurities such as other proteins and lipids is effectively removed, the final detective sensitivity is improved, and the detection of a sample with low casein phosphopeptides content is beneficial.
Owner:GREENCREAM BIOTECH
Novel magnetic nano composite material, magnetic effervescent tablet, method for detecting BPs and application
InactiveCN112816593AEvenly dispersedCombined technology is simple and efficientComponent separationOther chemical processesEffervescent tabletIonic liquid
The invention belongs to the technical field of detection, and particularly relates to a novel magnetic nano composite material, a magnetic effervescent tablet, a method for detecting BPs and application. The novel magnetic nano composite material is formed by attaching magnetic nano particles to the surface of g-C3N4. The novel magnetic nano composite material provided by the invention can be mixed with an ionic liquid extraction agent to prepare an effervescent tablet, the prepared effervescent tablet can be used for separating and detecting BPs, and compared with the extraction efficiency of singly using the ionic liquid extraction agent, the extraction efficiency is greatly improved. According to the method for detecting BPs provided by the invention, under the assistance of the special magnetic effervescent tablets, the use of a traditional organic dispersing solvent is avoided, and the dispersing and recycling processes of the extracting agent are completed in one step by virtue of an innovative micro-extraction technology, so that the pretreatment time is shortened, and the method is more environment-friendly and efficient.
Owner:WENZHOU MEDICAL UNIV
Method for quantitatively detecting mercury ions in liquid sample and kit
ActiveCN105886618AAvoid adverse effects on accuracyEasy to detectMicrobiological testing/measurementPcr ctppAbsolute quantification
The invention provides a method for quantitatively detecting mercury ions in a liquid sample and a kit for quantitatively detecting the mercury ions. The absolute quantitative detection of the mercury ions can be performed through a quantitative detection method based on a biosensor and a droplet polymerase chain reaction (PCR) technology and the detection kit, the quantitative detection limit can reach 40 fmol, the sensitivity can reach 10 fmol, and the requirements of actually detecting of the mercury ions can be met. In addition, the method is simple to operate and high in flexibility and is an effective method for performing absolute quantitative detection of the mercury ions.
Owner:CHINA AGRI UNIV
HPLC-ESI-MS/MS measuring method for simultaneously detecting 19 kinds of carbostyril medicaments
InactiveCN101315351BStrong detection specificityHigh sensitivityComponent separationTesting medicinal preparationsHplc esi msWater methanol
Owner:JIANGNAN UNIV
Double digital PCR fluorescent quantitative detection method for transgenic maize MON810
InactiveCN105112539AReduce preprocessing stepsAvoid adverse effects on accuracyMicrobiological testing/measurementDNA/RNA fragmentationFluorescencePcr method
The invention provides a double digital PCR fluorescent quantitative detection method for transgenic maize MON810. According to the method, quantitative detection can be directly performed on the transgenic maize MON810 in genomes of samples to be detected, and therefore the standard curve plotting step in quantitative detection of a conventional PCR method and the sample preprocessing step in existing digital PCR detection are omitted; in addition, transgenic ingredients are calculated according to the proportion of the exogenous gene copy number and the reference gene copy number, and therefore the stability of quantitative detection of the transgenic ingredients can be improved by performing double detection on one reaction system. Through the method, absolute quantitative detection on the transgenic maize MON810 can be achieved, the quantitative detection limitation can reach 0.5%, the sensitivity can reach 0.1%, and the requirements of actual detection of all the transgenic ingredients can be met. In addition, the method is easy to operate and high in flexibility and serves as an effective method for absolute quantitative detection of transgenes.
Owner:CHINESE ACAD OF INSPECTION & QUARANTINE
A detection method for determining the residual amount of l900 washing liquid
Owner:ZHEJIANG PUKANG BIOTECH
Method for simultaneously determining eight antituberculous drugs in human plasma based on LC-MS
InactiveCN112782322AMeet the needs of actual testingHigh sensitivityComponent separationChlorobenzeneLiquid chromatography mass spectroscopy
The invention belongs to the technical field of analytical chemistry, and particularly relates to a method for simultaneously determining the concentrations of eight antituberculous drugs in plasma by adopting a liquid chromatography-mass spectrometry method, wherein the eight antituberculous drugs comprise rifudine, chlorphenazine, levofloxacin, clarithromycin, sulfimide, p-aminosalicylic acid, moxifloxacin and amikacin. According to the method, the characteristics of hydrophilic and hydrophobic compounds are considered, protein precipitation is carried out by utilizing ACN:MEOH:45%TCA, the extraction rate of the hydrophilic compound AMK is improved, 20% of ACN, 0.2% of FA and 1% of HFBA are used as diluents, and the retention time of the hydrophilic compound AMK is prolonged by adding the HFBA. The method is high in sensitivity, strong in specificity and wide in linear range, can be used for qualitative and quantitative analysis of to-be-detected substances with unknown concentrations in plasma of tuberculosis patients, is simple and rapid to operate, does not need an extraction and volatilization process, and can meet the characteristics of urgent clinical treatment drug monitoring tasks and high requirements on detection time. The detection system provided by the invention provides a new technical platform for tuberculosis patient treatment drug monitoring, and is easy to popularize and apply.
Owner:SHANGHAI PUBLIC HEALTH CLINICAL CENT
Qinglongbaihu soup and quality detection method thereof
The invention belongs to the technical field of traditional Chinese medicine quality control, and particularly relates to Qinglongbaihu soup and a quality detection method thereof. Aiming at the problem that a method for detecting the quality of water decoction, decoction pieces, intermediates and material references of the formula Qinglongbaihu soup does not exist at present, the technical schemeof the invention provides the Qinglongbaihu soup with a standardized high performance liquid chromatography fingerprint spectrum, and provides a more accurate quality detection method of the Qinglongbaihu soup. According to the method, the standard fingerprint spectrum of the Qinglongbaihu soup can be obtained, whether the Qinglongbaihu soup test sample is a qualified product or not can be accurately and stably judged, and the content of effective components in the Qinglongbaihu soup can be accurately determined.
Owner:CHENGDU UNIV OF TRADITIONAL CHINESE MEDICINE
Pipe rod screw fault detection sensor
InactiveCN100353162CRealize detectionSolve production technical problemsMaterial magnetic variablesEngineeringFlange
The invention discloses a sensor for detecting the defects of the pipe bolt thread. The left end of the bolt's inner bushing is equipped with a magnetic coil. The middle section of it is covered by a proe bracket which can slide along the outside surface. The probe is fitted on the probe bracket by floating fitting and is distributed evenly and symmetrically along the circular direction. There is a probe guide groove in the middle of the inner bushing, allowing each probe to extend into the corresponding guide groove and can slide in its it by the driving of the probe bracket. the probe is equipped with magnetic induction element. The end of the inner bushing is equipped with a magnetic induction extension bushing. the flange guide groove is open in the middle of it and is in the induction extension bushing. Its arms are connected with the probe bracket with a extension arm. A linear electrical engine is connected with the axis of flange. By the detecting sensor, a variety of defects of the pipe bolt thread can be detected with a high accuracy and efficiency, so as to resolve a manufacture technical problem that exists all along in the oilfield and have a broad prospect.
Owner:HUAZHONG UNIV OF SCI & TECH
Detection tool for detecting machining size of left-center-right support
InactiveCN105202992AEasy to detectSave time at workMechanical measuring arrangementsWork periodSoftware engineering
The invention discloses a detection tool for detecting the machining size of a left-center-right support. The detection tool comprises a base, a support seat, a cylindrical pass gauge and the left-center-right support; the support seat is fixedly connected to one side of the base and is perpendicular to the base, the cylindrical pass gauge is fixedly connected to the support seat and horizontally arranged, the two sides of the middle of the base are each fixedly connected with an L-shaped positioning seat, the horizontal portion of each L-shaped positioning seat is provided with a detection hole, and the side, under the cylindrical pass gauge, of the support seat is fixedly connected with an upper positioning column, a middle positioning column and a lower positioning column which are horizontally arranged. According to the detection tool, detection is more convenient, a large amount of working time is saved, the working efficiency is improved, and a basis is supplied to batch production; compared with a traditional detection tool, the accuracy is higher, the actual detection requirement can be better met, and a quality guarantee is made for batch production; meanwhile, some errors generated due to subjective factors of people are effectively overcome, and the precision and the reliability are high.
Owner:ANHUI HUSN KEWAN SPECIAL CASTING
Method for determining astragaloside content in Jintian wheat straw formula granules by high performance liquid chromatography
PendingCN111579686ASimple processing methodFully extractedComponent separationBiotechnologyChromatographic separation
The invention discloses a method for determining astragaloside content in Jintian wheat straw formula granules by high performance liquid chromatography. The method comprises the following steps: (1)preparing a standard solution; (2) preparing a test solution; (3) carrying out liquid chromatography separation; (4) adopting a content calculation method. The sample extraction pretreatment method issimple, and effective components can be fully extracted; the method is accurate, rapid and high in sensitivity; all methodological indexes can meet the requirements of actual detection, and time andcost are saved; the compound to be detected has good linearity (R2 > 0.9990) in a standard curve linear range; intra-day precision of the effective components is less than 1.0%, and the relative standard deviation of the inter-day precision is less than 3.0%; the recovery rate of the effective components of astragaloside is in the range of 90.0%-110.0%.
Owner:JINHUA MUNICIPAL CENT HOSPITAL
Double digital PCR fluorescent quantitative detection method for transgenic maize 3272
InactiveCN105112537AReduce preprocessing stepsAvoid adverse effects on accuracyMicrobiological testing/measurementDNA/RNA fragmentationFluorescencePcr method
Owner:CHINESE ACAD OF INSPECTION & QUARANTINE
Method for detection of modified nucleosides in urine
ActiveCN105548407BAvoid pollutionImprove stabilityComponent separationMicroorganismMicrobial pollution
The invention provides a detecting method for modified nucleoside in urine. The method specifically comprises the following steps: pretreating the urine and storing the pretreated urine on a piece of filter paper, then carrying out extraction to obtain a to-be-tested sample; carrying out liquid chromatography tandem mass spectrometry detection on the to-be-tested sample, so as to obtain the variety and the content of the modified nucleoside. In the detecting method provided by the invention, the modified nucleoside in the urine can be quickly and effectively detected qualitatively and quantitatively by storing the urine on the filter paper, then carrying out extraction and using the liquid chromatography tandem mass spectrometry method; as the urine is stored on the filter paper, and the urine sample is converted into a solid form to be stored, the stability is greatly improved, and the microbial pollution to the detected sample is avoided; furthermore, the method provided by the invention is easier and more convenient than the existing freezing method.
Owner:HANGZHOU HEALTH BANK MEDICAL LAB CO LTD
A hplc detection method for mes, nhs residues
The invention discloses an HPLC detection method of MES and NHS residues. A reversed-phase C18 silica bonded chromatographic column is used, a mobile phase consists of a phosphate buffer of pH 6.5 to 6.8, and an organic solvent, and the detection wavelength is 205 to 210nm; the organic solvent is methanol or acetonitrile. According to the method, samples do not need to be specially treated, the operation method is simple and easy to implement, the accuracy is high, the needs in actual detection can be met, and two substances MES and NHS can be detected to reach microgram scale.
Owner:ZHEJIANG JINGJIA MEDICAL TECH CO LTD
Hepatitis B virus e antibody detection kit
InactiveCN113252901AOptimum concentration rangeStrong specificityChemiluminescene/bioluminescenceColor/spectral properties measurementsHepatitis B immunizationAntiendomysial antibodies
The invention discloses a hepatitis B virus e antibody detection kit. The kit comprises a coated plate coated with a hepatitis B virus e antibody, a substrate solution and an enzyme labeled anti-HBe solution. The prepared kit for detecting the antibody has the effects of high specificity, good repeatability and high sensitivity.
Owner:中山生物工程有限公司
Signal injection adjustment device and signal injection device
The invention discloses a signal injection regulating device, which comprises: a signal detection unit connected to the connection between the signal injector and the power line, used to detect the current signal injected into the power line by the signal injector, and Feedback the detected current signal; the signal adjustment unit is used to receive the feedback current signal, determine the error between the feedback current signal and the pre-configured expected current signal, and adjust the current signal to be injected by the signal injector according to the error, The actual current signal that the signal injector injects into the power line is caused to match the expected current signal. The present invention detects the actual injected signal in real time, and adjusts the signal to be injected according to the error between the actual injected signal and the expected signal, so that the error between the fault detection result and the actual fault situation is reduced It is small, which effectively improves the detection accuracy and ensures the reliability of the detection results.
Owner:广西鑫百纳电气有限公司 +1
Detection tool for detecting machining size of midedge hanging frame
InactiveCN105202991AEasy to detectSave time at workMechanical measuring arrangementsMachiningWork time
The invention discloses a detection tool for detecting the machining size of a midedge hanging frame. The detection tool comprises a base, a support seat, a first cylindrical pass gauge, a second cylindrical pass gauge and the midedge hanging frame; the support seat is fixedly connected to one side of the base and is perpendicular to the base, the first cylindrical pass gauge is fixedly connected to the support seat and horizontally arranged, the other side of the base is provided with a positioning groove extending to the front of the support seat, an upper barrel body portion of the midedge hanging frame is arranged outside the first cylindrical pass gauge in a sleeving mode, the lower portion of the midedge hanging frame is inserted into the positioning groove, and the second cylindrical pass gauge is inserted into a big circular hole formed in the lower portion of the midedge hanging frame. According to the detection tool, detection is more convenient, a large amount of working time is saved, the working efficiency is improved, and a basis is supplied to batch production; compared with a traditional detection tool, the accuracy is higher, the actual detection requirement can be better met, and a quality guarantee is made for batch production; meanwhile, some errors generated due to subjective factors of people are effectively overcome, and the precision and the reliability are high.
Owner:ANHUI HUSN KEWAN SPECIAL CASTING
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