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31results about How to "Short inspection period" patented technology

Machining line

The invention refers to a machining line, in particular a transfer line or assembly line, comprising a multitude of machining stations arranged one after the other in the direction of machining, and the machining station serves for machining work pieces, wherein at least one machining station is designed as special station. The invention is characterized by the fact that between two adjoining machining stations one conveying device each is provided.
Owner:GROB WERKE & K G

Checking platform with integral revolving and lifting function

The invention discloses a checking platform with the integral revolving and lifting function, which comprises a frame, a revolving disc arranged above the frame and a lifting mechanism and a revolving mechanism both arranged on the frame. According to the invention, a checking platform capable of lifting and revolving is adopted to replace a longer oblique rolling channel, so that a cylinder cover can be transferred from a production line to the checking platform more conveniently, the checking period is shorter, the occupied area is reduced, and equipment is more compact; besides, an observation chamber with a mirror plane is designed at the bottom of the revolving disc, and is combined with the transparent surface of the revolving disc, so that the processing quality of the cylinder cover bottom face can be indirectly observed during checking, the cylinder cover is not needed to be turned over, therefore, the checking efficiency is improved, and the working intensity is reduced.
Owner:ZHEJIANG GEELY POWERTRAIN CO LTD +4

Simple determination method of 90Sr content in 89Sr sample

The invention relates to a simple determination method of 90Sr content in an 89Sr sample. The method comprises the following steps of: taking D2EHPA (di(2-ethyl hexyl)phosphoric acid) / methylbenzene solution as an extracting agent, and HNO3 solution as a developing agent; separating the 89Sr sample by a paper chromatography, and then determining accurate content of the 90Y and 90Sr by measuring the half-life period of an origin paper segment, so as to determine the 90Sr content in the 89Sr sample, wherein the 90Y is a decay daughter of 90Sr. Compared with the prior art, the simple determination method has the advantages of being simple, convenient, economical, effective and the like.
Owner:SHANGHAI ATOM KEXING PHARMA

Method for detecting oligosaccharide component content in compound salvia miltiorrhiza bge extract

The present invention relates to a method for detecting active ingredients of a traditional Chinese medicine, and in particular relates to a method for detecting oligosaccharide component content in a compound salvia miltiorrhiza bge extract. The method comprises the following steps: (1) preparation of a reference substance solution, to be more specific, weighing fructose, glucose, sucrose, raffinose and Gal-Gal-Glu-Fru tetrasaccharide reference substances, adding water to prepare the mixed reference substance solution; (2) preparation of a to-be-tested substance solution, to be more specific, taking the compound salvia miltiorrhiza bge extract, adding water for dissolving, loading onto a solid phase extraction column, washing with water, collecting a sample loading solution and a washing solution, and adding water to prepare the to-be-tested substance solution; and (3) determination, to be more specific, sucking the mixed reference substance solution and the to-be-tested substance solution, injecting into an evaporative light scattering high performance liquid chromatography with to obtain a chromatogram map, and calculating the oligosaccharide component content in a to-be-tested substance according to the chromatogram map.
Owner:TIANJIN TASLY MORDEN TCM RESOURCES

Method for detecting Francisella tularensis using multiple PCR technology

The invention relates to a method of detecting Francisella tularensis by a multiple PCR technique, belonging to the technical field of detecting biological agent. The invention comprises steps of: using the related genes lpxF, lpxE and flmK of the endotoxin of the Francisella tularensis as the specificity targets, carrying out comparison by complete sequence Blastp of NCBI microbial genome to determine the specificities of the three genes, designing the related primer and conducting detection by the multiple PCR technique; after three strips, which are 447bp,717bp and 1004bp in turn, appear in the electrophoresis detection, judging the strips to be masculine according to the appearance of three specificity strips, otherwise, judging the strips to be feminine. The invention has the advantages of simple and convenient operation, easy promotion and application, short detecting cycle, high sensitivity, good specificity and higher detecting rate, wherein, with respect to 5 to 7 days needed to obtain the result by the traditional detecting method, the detecting cycle of the method, which is 3 hours, is much shorter than that of the traditional method, thus greatly improving the detecting efficiency; moreover, the detecting limit, which is 0.01ng / [mu]L and 5X10<5>cfu / mL, reaches or exceeds that of the traditional detecting method.
Owner:JIANGNAN UNIV

Linear density test method of withdrawing yarn of woven fabric for linear density under unknown name of yarn

InactiveCN102706771AInspection operation is simpleEasy to operateSpecific gravity measurementYarnMeasuring instrument
The invention discloses a linear density test method of a withdrawing yarn of woven fabric for the linear density under an unknown name of the yarn, which comprises the steps of: firstly, measuring a general value of the linear density of the yarn to determine the extending tension during the length measurement by a yarn length measuring instrument; then testing the length and quality of the yarn; and calculating the linear density of the yarn. The test method is simple, accessible, practical and efficient in test operation, is simple and convenient to inspect and operate, short in the inspection period, and has high operability.
Owner:潘葵 +2

Method for analyzing ludwigite through X-ray fluorescence powder tableting method

The invention relates to a method for analyzing ludwigite through an X-ray fluorescence powder tableting method. The method comprises: (1) establishing a standard curve by using ludwigite having known contents of various elements, wherein the emission intensities of elements of a sample tablet is determined with an X-ray fluorescence spectrometer, the emission intensities of various elements are obtained by measuring a series of internal control standard samples, the mass percentage contents of various elements in the sample are combined, and a straight line associated with the sample element content and a linear equation thereof are regressed by using the least square method; and 2) determining ludwigite to be determined, wherein the emission intensities of the elements of the sample tablet are determined with the X-ray fluorescence spectrometer, and the obtained linear equation for the element content is used to calculate the mass percentage contents of various elements in the sample tablet to be determined. According to the present invention, the elements contained in the ludwigite are analyzed and detected by using the X-ray fluorescence powder tableting method, such that the advantages of high accuracy, short examination period, simultaneous multiple element determination, low examination cost, and low environmental pollution.
Owner:ANGANG STEEL CO LTD

Method for detecting loss of desulphurized organic components and technology for desulphurizing regenerable flue gas

The invention provides a method for detecting a loss way and the loss quantity of desulphurized organic components in a flue gas desulphurization system, and a technology for desulphurizing regenerable flue gas by using the method. The method comprises the steps of: respectively adjusting a solution to be tested and a plurality of standard solutions until to strong acidity; respectively heating and oscillating the solution to be tested and the plurality of standard solutions; respectively detecting carbon elements in the plurality of standard solutions, so as to form a linear relation between the concentration of the desulphurized organic components of the standard solutions and detection result data of a carbon element; detecting a carbon element in the solution to be tested; and obtaining the concentration of the desulphurized organic components in the solution to be obtained according to the linear relation. By adopting the method, the loss reason, the loss way and the loss quantity of the effective desulphurized components can be rapidly judged. Thus, a detection technology support and basic test data are provided for adjustment of technologies of recycling of a desulphurized organic amine component, and determining of the opportunity and the quantity of supplying fa resh desulphurized solution to maintain balanced and stable operation of the desulphurization system.
Owner:PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP

Method for measuring molten salt chloride residues and recycling chemical components in regenerated substances

The invention relates to a method for measuring molten salt chloride residues and recycling chemical components in regenerated substances, and belongs to the technical field of detection analysis of element component content. The method comprises the following steps: weighing a to-be-measured sample, dissolving the to-be-measured sample with a dilute nitric acid solution, adding water to dilute in a special solid-liquid dilution ratio to form a to-be-measured solution; and then, measuring the content of chemical elements such as potassium, iron, magnesium, manganese, calcium, chromium, nickel, vanadium, titanium, copper and lead in the to-be-measured solution through an inductive coupling plasma atomic emission spectroscopy. The method disclosed by the invention can be used for simultaneously obtaining the contents of molten salt chloride residues and the chemical element components in the recycled generated substance sample by one step, simple, quick, few in operation step, few in disturbing influence factor, high in measuring efficiency for the substrate components and trace impurities, short in inspection period and low in analysis cost.
Owner:PANGANG GROUP RESEARCH INSTITUTE CO LTD

Multi-layer scheduling system based on equipment classification

The invention relates to a network system, in particular to a multi-layer scheduling system based on equipment classification which improves reliability and efficiency of a server. The multi-layer scheduling system based on equipment classification comprises a DNS scheduling system, wherein the DNS scheduling system is connected with a first-layer high-performance content server and an HTTP redirecting scheduling system, and the HTTP redirecting scheduling system is connected with a second-layer high-performance content server and a second-layer low-performance content server. Compared with the single DNS scheduling, the multi-layer scheduling system based on the equipment classification of the invention improves the reliability of the service and the utilization rate of the equipment.
Owner:杭州领智云画科技有限公司

Automatic inspection system and method of electricity meter

InactiveCN109471059AUnderstand the failure situationLow costElectrical measurementsDigital interfaceElectricity market
The invention discloses an automatic inspection system and method of an electricity meter. The system comprises an automatic inspection platform, the electricity meter and a serial server with an internet surfing function, the serial server is connected with the automatic inspection platform in a wireless communication mode, and the digital interface of the electricity meter is connected to the serial server; the electricity meter is used for receiving an information acquiring command transmitted by the automatic inspection platform and feeding information of the electricity meter to the automatic inspection platform through the serial server; the automatic inspection platform is used for transmitting the acquired information command to the electricity meter through the serial server and processing and analyzing the information of the electricity meter fed back by the electricity meter, and when there are faults occurring on the electricity meter, alarming information is transmitted. The automatic inspection platform acquires the information of the electricity meter, when faults occur on the electricity meter, the alarming information is transmitted, automatic inspection is adopted, and manual inspection is not needed; the cost of reducing operation management is reduced, the quality of operation management is improved, and the system and method can be widely applied to the field of operation management of the electricity meter.
Owner:GUANGZHOU CLOUDSINO INFORMATION TECH CO LTD

Synchronicity detector of mirror gun

The invention relates to a synchronicity detector of a mirror gun. The synchronicity detector comprises a setting display screen, a zero-returning key and a confirmation key, and is characterized in that a detection circuit of the detector is provided with a single-chip microcomputer, and two serial communication interfaces of the single-chip microcomputer are respectively connected with the transceiving ports of two inclinometers mounted at a sighting piece and a gun breech; data interfaces of unit LED (light-emitting diode) nixie tubes of a display device are connected with corresponding interfaces of the single-chip microcomputer; and bit addresses of four-bit integrated LED nixie tubes of the display device are respectively connected with the corresponding interfaces of the single-chip microcomputer, and the data interfaces are connected with the interfaces of the single-chip microcomputer. The detector disclosed by the invention has the advantages of being capable of checking the synchronicity of the mirror gun of a direct firing gun at any time and making up for the disadvantage that the synchronicity of the mirror gun of the direct firing gun has to be detected in a maintenance plant. According to the detector disclosed by the invention, the detector can be conveniently used in training in military academies and fields and has the advantages of simple operation, good using performances, high operation efficiency, high detection precision and short checking period.
Owner:沈阳第三三〇一工厂

Method for rapidly measuring content of pseudo-ginseng medicinal material

ActiveCN103901136AShort inspection periodImprove accuracy and maneuverabilityComponent separationMedicinal herbsFluid phase
The invention relates to the technical field of measurement methods of content of medicinal materials and in particular relates to a method for rapidly measuring the content of a pseudo-ginseng medicinal material. The method comprises the following steps: (1) preparing a test solution, namely weighing crude powder of the pseudo-ginseng medicinal material to serve as a test product, adding an organic solvent, respectively heating and extracting for multiple times, respectively filtering the extracting solutions for multiple times to obtain filtrate, merging the filtrate, adding the organic solvent for metering the volume to be constant, shaking evenly, filtering to prepare subsequent filtrate, measuring the subsequent filtrate, adding the organic solvent for metering the volume to be constant, thereby obtaining the test solution; (2) preparing a reference solution; and (3) measuring by adopting high performance liquid chromatography. The deviation between the content of total saponins in pseudo-ginseng detected by the method and the content of total saponins in pseudo-ginseng detected in a pharmacopoeia criterion method is less than or equal to 1.4 percent, and the deviation requirement is met. Moreover, during measurement of the content of the pseudo-ginseng medicinal material and preparation of the test product, the sampling amount of the sample is high, the error is small, and the detection period is shorter than that by the pharmacopoeia method.
Owner:广东广发制药有限公司

Method for analyzing contents of main elements in low-silicon ferrosilicon by X-ray fluorescence spectrum

The invention relates to a method for analyzing contents of main elements in low-silicon ferrosilicon by X-ray fluorescence spectrum. The method comprises the following steps: step one, respectively preparing standard samples with chemical method fixed values into standard sample sheets for analysis of an X-ray fluorescence spectrometer by a tabletting method, and establishing a standard curve bytaking the chemical method values as standard values; step two, respectively scanning the standard samples by using the X-ray fluorescence spectrometer, and establishing basic analysis conditions; step three, respectively measuring a standard sample wafer by using the X-ray fluorescence spectrometer according to basic analysis conditions, adding correction, carrying out fitting, and regenerating astandard curve; step four, preparing a sample to be detected into a sample wafer to be detected, which can be analyzed by the X-ray fluorescence spectrometer, by using a tabletting method; and step five, Then use the X-ray fluorescence spectrometer to analyzing the X-ray fluorescence spectrum of the sample to be detected by using the X-ray fluorescence spectrometer. According to the invention, the sample preparation is performed by using the ultra-high pressure tabletting method, such that the sample preparation time is short; the binder does not need to be added; the one-time molding is achieved; the analysis efficiency can be significantly improved; and the analysis result accuracy is high.
Owner:TIANJIN IRON & STEEL GRP

A kind of assay method of polyethylene glycol content in polycarboxylate superplasticizer macromonomer

The invention discloses a method for determining the content of polyethylene glycol in a macromonomer of a polycarboxylate water reducer. Adopt HPLC method to detect, adopt standard curve method or external standard method to quantify, wherein, chromatographic column is C18 post; Mobile phase is the mixed solution of acetonitrile and water, and its weight percent example is acetonitrile: water=30~60:70~40. The invention adopts the HPLC method, uses acetonitrile / water as the mobile phase, reduces the sample injection volume, eliminates the influence of the solvent peak on the detection of the polyethylene glycol content, and is targeted at the polycarboxylate superplasticizer macromonomer The polyethylene glycol content in the medium provides a detection method, which has important practical significance. The method is accurate, simple, and the inspection period is short, about half an hour, which can provide a reference for the quality control of the superplasticizer macromonomer.
Owner:SICHUAN SEDAR CHEM

Canned reactor coolant pump locking cup local video inspection method

The invention discloses a canned reactor coolant pump locking cup local video inspection method. The method comprises the following steps of S1, installing a soft guide pipe extending to a position near an inspection space at an inspection inlet of a canned reactor coolant pump, wherein the inspection space is located between a thrust bearing and a locking cup both in the canned reactor coolant pump; S2, extending an endoscope probe into the inspection space along the soft guide pipe; and S3, operating the endoscope probe to enable the endoscope probe to circularly move along the inspection space to inspect the locking cup. According to the method, the video inspection can be carried out on the locking cup of the canned reactor coolant pump in the high-radioactivity environment of a localcanned motor pump of a nuclear power plant, the endoscope probe is guided to reach the interior of the inspection space through the soft guide pipe so that the endoscope probe can complete a pluralityof 90-degree turns in a narrow space, and the video inspection on the surface of the locking cup of the canned motor pump is completed; and the operation is convenient, the inspection efficiency is high, the tools are simple, the investment is low, the inspection period is short, the equipment of the power plant is free of any damage, and the inspection cost of the power plant is greatly saved.
Owner:SANMEN NUCLEAR POWER CO LTD

A method for rapid determination of the content of Panax notoginseng medicinal material

ActiveCN103901136BCompliance with deviation requirementsLarge sampling volumeComponent separationMedicinal herbsPANAX NOTOGINSENG ROOT
The present invention relates to the technical field of determination methods for the content of medicinal materials, in particular to a method for rapidly determining the content of the medicinal material Radix Notoginseng, which is determined according to the following steps: (1) Preparation of the test solution: weighing coarse powder of the medicinal material Radix Notoginseng As the test sample, add an organic solvent to heat and extract several times respectively, filter the extracts several times to obtain a filtrate, combine the filtrate and add an organic solvent to constant volume, shake well, filter to obtain a subsequent filtrate, measure the subsequent filtrate and add organic Solvent constant volume, promptly makes need testing solution; (2) preparation of reference substance solution; (3) adopt high performance liquid chromatography to measure. The deviation between the Panax notoginseng total saponins content detected by the method of the present invention and the Panax notoginseng total saponins content detected by the Pharmacopoeia standard method is ≤ 1.4%, which meets the deviation requirements; the Panax notoginseng medicinal material content of the present invention is measured in the preparation of the test product, The sample sampling volume is larger, the error is smaller, and the inspection cycle is shorter than the pharmacopoeia method.
Owner:广东广发制药有限公司

Method for Determining Content of Impurity Elements in Alloy and Preparation Method of Sample Solution

The invention relates to a method for determining the contents of impurity elements in alloy and a preparation method for a sample solution, belonging to the technical field of element detection. According to the invention, the sample solution is prepared by digesting a sample with nitric acid, hydrogen peroxide, hydrochloric acid and hydrofluoric acid according to specific steps; then ICP-OES is used for direct and simultaneous determination of the contents of impurity elements including boron, cobalt, chromium, copper, molybdenum, nickel, lead, titanium, phosphorus, etc. in the sample solution. The preparation method for the sample solution has the characteristics that sample digestion is complete and lossless; operation is rapid; an examination period is short; the prepared sample solution is simple in composition; the usage amount of reagents is small; blank is low; the number of interference factors is small; etc. The determination method has the advantages of few interference factors, high efficiency, rapidness and high precision, and meets demands for both product quality examination and control on the impurity elements in an alloy material.
Owner:PANGANG GROUP RESEARCH INSTITUTE CO LTD

Method for detecting content of daptomycin

The invention belongs to the technical field of organic matter analysis, and particularly relates to a daptomycin content detection method which comprises the following steps: S1, obtaining the peak area of a daptomycin sample chromatographic peak according to the following chromatographic conditions: a stationary phase is a C18 chromatographic column; a mobile phase A is a monopotassium phosphate-acetonitrile solution; a mobile phase B is acetonitrile; the opening ratio of the mobile phase A to the mobile phase B is 65: 35; the retention time is 6.0 + / -0.5 min; the sample size is 5-50 [mu] L; s2, substituting the obtained peak area of the chromatographic peak of the daptomycin sample into a formula y = 9.0319 x + 88.334, so as to obtain the concentration of the daptomycin in the daptomycin sample, in the formula, x refers to the peak area of the chromatographic peak of the daptomycin sample; and y refers to the concentration of the daptomycin. The daptomycin content detection method provided by the invention is high in detection precision and low in detection difficulty.
Owner:LIVZON GROUP FUZHOU FUXING PHARMACEUTICAL CO LTD

Method for detecting Francisella tularensis using multiple PCR technology

The invention relates to a method of detecting Francisella tularensis by a multiple PCR technique, belonging to the technical field of detecting biological agent. The invention comprises steps of: using the related genes lpxF, lpxE and flmK of the endotoxin of the Francisella tularensis as the specificity targets, carrying out comparison by complete sequence Blastp of NCBI microbial genome to determine the specificities of the three genes, designing the related primer and conducting detection by the multiple PCR technique; after three strips, which are 447bp,717bp and 1004bp in turn, appear in the electrophoresis detection, judging the strips to be masculine according to the appearance of three specificity strips, otherwise, judging the strips to be feminine. The invention has the advantages of simple and convenient operation, easy promotion and application, short detecting cycle, high sensitivity, good specificity and higher detecting rate, wherein, with respect to 5 to 7 days neededto obtain the result by the traditional detecting method, the detecting cycle of the method, which is 3 hours, is much shorter than that of the traditional method, thus greatly improving the detecting efficiency; moreover, the detecting limit, which is 0.01ng / [mu]L and 5X10<5>cfu / mL, reaches or exceeds that of the traditional detecting method.
Owner:JIANGNAN UNIV

Raw dolomite high-temperature melting X fluorescence measurement method

The invention discloses a raw dolomite high-temperature melting X fluorescence measurement method. The method comprises the following steps: grinding a to-be-measured sample; obtaining a to-be-measured sample test piece; preparing a calibration sample; calibrating the sample test piece; adding a release agent; heating the sample melting furnace; establishing a calibration curve; and determining the elements of the to-be-measured sample test piece. The analysis method can be used for analyzing the content of magnesium and silicon in the raw dolomite by using an X-ray fluorescence spectrum method, can be applied to determination of magnesium and silicon content elements in the raw dolomite, can realize rapid, comprehensive and rapid analysis of the raw dolomite, has a shorter test period which is superior to that of similar high-temperature melting X-ray fluorescence analysis, and achieves accurate and rapid inspection.
Owner:SHANDONG LAIGANG YONGFENG STEEL & IRON

Method of quick analysis of azo dyes synthesis process

An method of quick analysis of azo dyes synthesis process relates to the quick analysis of a dye, comprising Step 1, the analysis and detection of the diazotization process in the synthesis of azo dyes and Step 2, the analysis and detection of the coupling process in the synthesis of azo dyes; S1, first establishing the analysis model for the para-ester diazonium salt, preparing in real time series of para-ester diazonium salt solution samples to be measured, immediately gathering spectroscopic data with a spectrograph, and measuring the content of para-ester diazonium salt under different time for para ester diazotization reaction; S2, first establishing the analysis model for the reaction product from coupling, preparing in real time series of solution samples to be measured for coupling reaction, immediately gathering spectroscopic data with a spectrograph, and measuring the content of azo dyes under different time for coupling reaction thus to achieve process control. The present invention is used for the real-time control of the synthetic process of dyes and it has the merits of easy operation, short examination cycle, high accuracy, low examination cost and is thus significant in the monitoring and control of dye products quality.
Owner:GUANGXI UNIVERSITY OF TECHNOLOGY

A rapid analysis method for the synthesis process of azo dyes

A rapid analysis method for the synthesis process of azo dyes, relating to a rapid analysis method for dyes, including step S1, analysis and detection of the diazotization process of azo dye synthesis and step S2, analysis and detection of the coupling process of azo dye synthesis; step S1 Firstly, the analysis model of para-ester diazonium salt is established, and a series of para-ester diazonium liquid samples to be tested are prepared in real time, and the spectral data is collected immediately with a spectrometer to measure the para-ester diazotization reaction process under different reaction times. The content of ester diazonium salt; Step S2 is to first establish the coupling process reaction product analysis model, prepare a series of coupling reaction solution samples to be measured in real time, and immediately collect spectral data with a spectrometer, and measure the azo dye under different reaction times of the coupling reaction process content to achieve process control. The invention is suitable for real-time control of the dye synthesis process, has simple operation, short inspection cycle, high accuracy and low inspection cost, and has important significance in the quality monitoring of dye products.
Owner:GUANGXI UNIVERSITY OF TECHNOLOGY

Reactor protection system in-service inspection device

The invention relates to a reactor protection system in-service inspection device based on an NI (National Instrument) technique. Each row of corresponding reactor protection systems is configured; the reactor protection system in-service inspection device comprises an industrial personal computer and an in-service inspection interface circuit; an independent in-service inspection interface circuit is arranged for each channel of each row of the reactor protection systems; the in-service inspection interface circuits are respectively positioned in corresponding in-service inspection cases andcomprise low-voltage power supplies, T2 inspection control inserts, T3 inspection control inserts, T2 inspection inserts and T3 inspection inserts; and the in-service inspection cases are connected with the industrial personal computer through digital signal processing modules. By adopting the device, reactors do not need to be powered off, operation states of a reactor protection system can be monitored on line, and the device is simple in inspection operation, short in inspection cycle and high in accuracy and reliability.
Owner:CHINA INSTITUTE OF ATOMIC ENERGY

Antibody testing method for efficacy of a classical swine fever genetically engineered subunit vaccine

The invention provides a method for testing potency of a CFS (classical swine fever) virus genetic engineering subunit vaccine. The method comprises steps as follows: healthy susceptible rabbits are taken as test objects and divided into a control group and immunization groups; the CFS virus genetic engineering subunit vaccine is injected into rabbits of the immunization groups while no substances are injected to rabbits of the control group; after 21 days of vaccine injection, the rabbits of the immunization groups and the control group are subjected to blood sampling from hearts, heart blood is centrifuged, then liquid supernatant is taken, a CFS ELSIA (enzyme linked immunosorbent assay) antibody is detected, and when at least 4 / 5 of the antibody is positive, the test for the CFS virus genetic engineering subunit vaccine is qualified. The method for testing the potency of the CFS virus genetic engineering subunit vaccine can replace a potency testing method adopting swine for immunity challenge; the test animals, namely, the rabbits, are easily available, so that the testing cost is reduced, the testing period is short, CFS live virus infection is not involved, and biological safety is high.
Owner:YEBIO BIOENG OF QINGDAO

Textile frost resistance test standard sample and preparation method thereof

The invention discloses a textile frost resistance test standard sample. The textile frost resistance test standard sample is characterized in that the textile frost resistance test standard sample is produced by utilizing hard finishing agents with different concentrations to carry out hard finishing for terylene which is taken as standard sample fabric, wherein the hard finishing agent is obtained by adding 7 parts of polyvinyl acetate into 1 part of epoxy resin finishing agent, by mass, stirring and mixing uniformly, wherein epoxy resin finishing agent is prepared from 1 part of AB-EP-20 and 0.6 part of AB-HGA, by mass; the hard finishing conditions are that the fabric is subjected to twice dipping and twice padding, mangle expression is 100%, soaking time is 1 minute, predrying is carried out at a temperature of 95 DEG C for 2 minutes, and baking is carried out at a temperature of 180 DEG C for 3 minutes; concentrations of the hard finishing agent which assists in carrying out hard finishing are 10g / l, 20g / l, 50g / L, 80g / L and 200g / L respectively. The textile frost resistance test standard sample is with permanent hardness and can be tried out as a standard sample which is used with a hand feel change degree test method at a low temperature environment.
Owner:潘葵 +3
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