66results about How to "Detection method science" patented technology

The invention discloses a gravity inductive type axis-counting device and a method for detecting the state of a tract district thereof, relating to a railway transport management device and a management method thereof. The gravity inductive type axis-counting device comprises an axis detector, an axis-counting information processing system, an input-output subsystem and a power supply, wherein the axis detector is composed of a wheel electronic detector and a gravity inductive type sensor unit; the wheel electronic detector consists of an axis-counting CPU unit, a signal processing unit, a sensor power unit and a state detecting unit; the axis-counting information processing unit comprises a CPU unit, a communication unit, and an I/O unit; and the input-output subsystem consists of a dynamic drive assembly unit, a relay and a button. In the method, a wheel signal is detected by a gravity inductive type sensor arranged on a rail, and is transmitted to the wheel electronic detector and the axis-counting information processing unit for processing, thus judging the state of the tract district. The invention has the advantages of accurate detection result, high reliability, scientific method and capability of realizing automatic judgment on the idle and occupied states of the tract district.

The invention belongs to the technical field of traditional Chinese medicine formula granules and particularly relates to semen armeniacae amarae formula granules as well as preparation and quality control methods thereof. The L-amygdalin and D-amygdalin ratio range considering both the curative effect and safety (low toxicity) is determined through study on the ratio of L-amygdalin to D-amygdalin in classical prescription decoction containing semen armeniacae amarae, semen armeniacae amarae formula granule extraction process parameters capable of guaranteeing the L-amygdalin and D-amygdalin ratio range are determined through process purification, high performance liquid chromatography is used for quantitative analysis in the quality control method, the amygdalin isomerization course is controlled by regulating process parameters such as decoction water amount and decoction time for semen armeniacae amarae decoction pieces during preparation, the semen armeniacae amarae formula granules meeting the quality requirement are prepared and has the same effect with classical prescriptions, and quality control of the semen armeniacae amarae formula granules is realized.

The invention relates to a method for non-destructively detecting segmented suction resistance of cigarettes and belongs to the technical field of cigarette quality detection. The method utilizes thebasic feature of flow conservation and quasi-series of air flows passing through a cigarette, realizes measurement of the suction resistance of each part of the cigarette based on a cigarette suctionresistance measurement method, independently acquires closed suction resistance data of a filter tip section and a cigarette section without mechanically separating the filter tip section and the cigarette section, determines that the permeation resistance of the whole filter tip laser-punched cigarette is composed of five permeation resistance values according to the cigarette suction resistanceformation theoretical basis that the pressure of flows passing through the cigarette is in direct proportion to the amount of flows passing through the cigarette and the ratio is cigarette permeationresistance (unit: Pa. s/ml) which is a physical property parameter, and calculates segmented suction resistance values of all parts of the cigarette. The method can satisfy the actual engineering demands of providing the basic support for cigarette product quality traceability, product design and process optimization.

The invention relates to a method for detecting the pollutant production coefficient of deposit in a cultivation pond. The method comprises the following detection steps of: 1, a deposit collector is a hollow platform container; 2, placing and salvaging the deposit collector, namely, placing the deposit collector in the cultivation pond, salvaging the deposit collector when fishes are captured, and calculating the deposit amount of the whole pond according to the pond area; 3, estimating the deposit mass in the pond, namely, estimating the deposit mass in the deposit collector by using a difference method; 4, determining each pollution index concentration in the deposit, namely, determining the moisture content of the deposit and the major pollution indexes in the deposit; and 5, detecting according to a deposit pollutant production coefficient detection formula. The detection method of the invention is scientific and easy and can accurately detect the pollutant production coefficient of the deposit in the fish cultivation pond and estimate the pollution load of pond cultivation on the pond; and moreover, the detection of the pollutant production coefficient of the deposit in the pond is of great importance to the scientific control on the water quality of the pond, to the estimation of the pollution level of pond cultivation on the pond and the environment outside the pond, and the like.

The invention relates to a quick detection method for sulfur dioxide in food. The quick detection method comprises the steps of firstly, preprocessing a sample to be tested, carrying out ultrasonic extraction by adopting an aqueous alkali; then adding water and an acid solution into a distilling flask, connecting the distilling flask with a condensing device, placing an outlet of a condensing pipe into a starch solution added with a small quantity of titrating solution, and finally heating the distilling flask, wherein because sulfur dioxide contained in the sample to be tested can be released from the distilling flask in a heating process and the starch solution added with a small quantity of titrating solution flows through the condensing pipe, the light blue starch solution fades; continuing to dropwise adding a titrating solution until the light blue of the starch solution does not fade, thus judging a titration end point, so as to calculate the content of the sulfur dioxide in the sample to be tested through calculating the consumption quantity of the titrating solution when the titration end point is reached. The quick detection method is simple, is capable of performing qualitative and quantitative detection on the content of the sulfur dioxide in the sample to be tested, accurate in detection result and free of harmful effects to the environment and the detection personnel; the end point is easily judged.

The invention relates to the technical field of resistance box products, in particular to an intelligent load resistance box which comprises an alternating-current load intelligent control system module, a dry load resistance module, an automatic test module and an input and output module, wherein the dry load resistance module, the automatic test module and the input and output module are electrically connected with the alternating-current load intelligent control system module. Intelligent control can be realized, a generator set can be automatically tested according to preset power and time, a form and a curve graph can be automatically generated, printing is supported, complicated manual operation is completely omitted, a scientific and efficient detection method is provided for the high-power generator set, time for manually monitoring data is saved, the danger of hot-line operation is reduced, and cost is saved.

The invention relates to a detection method of a Chinese medicinal composition for treating traumatic injuries, and belongs to the technical field of traditional Chinese medicines and natural medicines. On the basis of thin-layer chromatography identification of radix angelicae sinensis, borneol, fructus gardeniae, radix notoginseng and vinegar processed rhizoma corydalis and limit detection of aconitine, thin-layer detection is performed on frankincense and flos chrysanthemi, a high performance liquid chromatography technology is used, and the determination method for the content of the radixnotoginseng taken as a monarch drug of the Chinese medicinal composition is improved; furthermore, the content determination method of cinnabar which is a toxic medicinal material is newly built. Byadopting the detection method of the Chinese medicinal composition for treating the traumatic injuries, disclosed by the invention, the counterfeit phenomenon of one-sided use of a single extract to replace valuable medicinal materials caused by the low control method of the composition is solved, furthermore, the clinical safety and effectiveness are improved, so that the method is not only suitable for the total quality control of the composition in industrial production, but also provides a safe and effective guarantee for clinical medication.

The invention provides an antibacterial and growth-prompting traditional Chinese medicine composition. The antibacterial and growth-prompting traditional Chinese medicine composition is characterizedby being prepared from the following raw materials in parts by weight: 2 to 10 parts of bacillus subtilis, 5 to 35 parts of Chinese pulsatilla root extract, 5 to 40 parts of radix scutellariae extract, 5 to 35 parts of rhizoma coptidis extract, 30 to 70 parts of folium eucommiae extract, 20 to 50 parts of fructus crataegi extract, 5 to 35 parts of pericarpium citri reticulatae extract, 5 to 35 parts of cortex fraxini extract and 5 to 30 parts of liquorice root extract. The traditional Chinese medicine composition provided by the invention is made into pharmaceutically acceptable preparations:tablets, pills, powder, capsules, granules and liquid. The invention further provides a preparation method and a detection method of the antibacterial and growth-prompting traditional Chinese medicinecomposition. By adopting the antibacterial and growth-prompting traditional Chinese medicine composition, the antibiotics or chemically-synthesized drugs in feed can be reduced or partially substituted, and drug residues of animal products are reduced or avoided; the problem of diarrhea of piglets, weaning piglets, fattening pigs and poultry can be effectively solved, so that the diarrhea rate and death rate of the pigs and poultry are remarkably reduced; the antibacterial and growth-prompting traditional Chinese medicine composition is mainly used for the pigs and the poultry, is used as a mixed feed additive and can be directly added into the feed or a mixing medium for a livestock farm.

The invention discloses a method for measuring the content of selfheal oral liquid, which comprises the steps of: measuring rosmarinic acid according to high performance liquid chromatography; takingoctadecylsilane chemically bonded silica as a bulking agent, taking methanol-0.5% formic acid (40:60) as a mobile phase, wherein the detection wavelength is 330nm, and the number of theoretical plateis not less than 3000; precisely weighing a proper amount of the reference substance of the formic acid, adding 50% methanol to prepare a solution containing 0.2mg per 1ml, thus obtaining the solution; precisely weighing 2ml of the product, placing the product in a measuring bottle of 25ml, adding 50% methanol for dissolving, diluting the mixture to the scale, shaking evenly, filtering, and takinga subsequent filtrate, thus obtaining the solution; and precisely absorbing 10Mul of reference substance solution and 10Mul of test substance solution respectively, injecting the solutions into liquid chromatograph for measurement, thus obtaining the result. The method has high tested component content, and good stability, and is beneficial to the control on product quality.

The invention discloses a qualitative detection method for attenuation rate of anti-counterfeiting information of a cigarette fluorescent anti-counterfeiting tear line. A solarization box device is used to simulate solarization environments having different temperatures and different lengths of time, changes of a product in the different environments are observed, fluorescent strength of the product is detected with a spectrophotometer, and attenuation of the anti-counterfeiting information of the cigarette fluorescent anti-counterfeiting tear line is judged accordingly. The qualitative detection method fills the technical blank in existing measurements for information attenuation of fluorescent anti-counterfeiting materials, the measurement results of the method are indicative of attenuation cycle of concealed anti-counterfeiting information, the method is positively significant to warning-based production and scientific use of anti-counterfeiting materials, and the method is simple and feasible, has objective and scientific examination results and is easy to implement and popularize.

The invention discloses a qualitative detection method of anti-forgery information attenuation rate of cigarette fluorescent anti-forgery stay wire. The method utilizes a sunshine imitation cabinet to simulate different sunlight exposure environments under different temperatures and time periods so as to observe the change of a product under different environments; and then carries out detection on the fluorescent strength by using a spectrophotometric color photometer so as to determine the attenuation of the cigarette fluorescent anti-forgery stay wire. The qualitative detection method fills the technical blank in the field of attenuation rate detection of fluorescent anti-forgery materials at present, the detection results can represent recessive anti-forgery information attenuation period, so the qualitative detection method has a positive meaning for early warning in production and scientific using of anti-forgery materials. The method is simple and practicable, the detection result is objective and scientific, and the method is easy to popularize.

The invention relates to an automobile turbocharger middle shell cooling hole unblocking and blocking testing device, which comprises a workpiece clamping air cylinder, an air inlet positioning head, an air outlet positioning head and a detection air cylinder. At least one air inlet plug is arranged on the air inlet positioning head; at least one air outlet plug is arranged on the air outlet positioning head; and the detection air cylinder stretches out or retracts according to the airflow output from an air outlet main pipe so as to identify unblocking and blocking conditions of a cooling channel in a middle shell. According to the testing method, the testing device is adopted, air is inflated into a cooling hole of the middle shell through an air inlet plug, air exhausted from the cooling hole enters the detection air cylinder, and if the detection air cylinder stretches out or retracts within the set time, it is indicated that the cooling hole is smooth; and if the air cylinder is detected not to extend out within the specified time, the cooling hole is blocked. The structure is simple, operation is free and convenient, results are quick and clear, and the labor intensity of operators is greatly reduced.

The invention discloses a compost maturity rapid detection test paper box and a use method thereof. The test paper box comprises ninhydrin test paper, a colorimetric card and a detection container, wherein the ninhydrin test paper is ninhydrin-loaded test paper, wherein the number of the colorimetric cards is multiple, the color of the colorimetric cards is bluish violet, the colorimetric cards are sequentially arranged according to the depth degree of bluish violet, and bluish violet of the colorimetric cards is determined according to bluish violet generated by reaction of amino acid solutions with different concentrations and ninhydrin; and the detection container is provided with volume scales. The compost maturity detection method can be used for simply, conveniently and quickly detecting the maturity on site, is accurate, stable and reliable in maturity detection result and more flexible to use, and is suitable for detecting the maturity of various composts.

The invention discloses a detecting chip, making and detecting method of relative gene of salvia miltiorrhizae, which is characterized by the following: setting astopic probe on the glass to make gene chip; crossing with cDNA of marked sample of salvia miltiorrhizae; scanning result; analyzing expressive quantity of relative gene of salvia miltiorrhizae; fitting for obtaining functional information to pave the base to study salvia miltiorrhizae.

The invention discloses an ilicis cornutae folium formula granule, a preparation method and a detection method thereof. The formula granule is prepared in the following steps: preparing an ilicis cornutae folium dried powder by using ilicis cornutae folium as a raw material through water extraction, compression in reduced pressure, drying and other process flows, and performing dry-method granulation directly by ilicis cornutae folium dried powder or mixing with a proper amount of auxiliaries. A gram of ilicis cornutae folium formula granule is equivalent to 9g of a raw drug, and ilicis cornutae folium decoction pieces and ilicis cornutae folium formula granule are subjected to quality detection by adopting infrared fingerprint spectrum. The ilicis cornutae folium has a complete and advanced production process and a controllable detection standard with strong specific, the advanced process can be realized, and the quality standard relates to a scientific, advanced and quick detection method which is strong in operability.

The diaphragm compressor performance detection system comprises an air inlet pipeline connected to an exhaust port of a diaphragm compressor and an air outlet pipeline connected to an air inlet of the diaphragm compressor, the air inlet pipeline is provided with a first valve, and the air outlet pipeline is provided with a third valve. A detection pipeline is communicated between the air inlet pipeline and the air outlet pipeline, a pressure reduction assembly is arranged on the detection pipeline to adjust the pressure in the detection pipeline, and a flow indicating device and a pressure indicating device are further arranged on the detection pipeline to detect the pressure and the flow of the detection pipeline. Through the flow indicating device and the pressure indicating device on the detection pipeline, whether the performance indexes of the diaphragm compressor under different air inlet pressures are consistent with the design or not is monitored through the flow and the pressure of the circulation pipeline, and the blank of performance detection and acceptance of the diaphragm compressor is filled. A quicker and more scientific detection means is provided for diaphragm compressor detection, and the equipment failure rate is reduced.

The invention discloses a method for identifying a liquorice component in a traditional Chinese medicine composition, and belongs to the technical field of traditional Chinese medicines and natural medicines. The method comprises the following diversified extraction and purification steps of removing impurities by using diethyl ether, extracting by using methanol or ethanol, purifying by using a neutral alumina column, extracting by using water-saturated n-butyl alcohol, and purifying by using n-butyl pure-saturated water, and is characterized in that a dichloromethane-acetone-methanol-water expansion system is selected, and exclusive characteristic spots are taken as a judgment basis; the quality defect that a single extraction component is added arbitrarily by an enterprise with poor credit is overcome; and the method is not only suitable for quality control of the licorice-containing traditional Chinese medicine composition in industrial production, but also can be used as a non-standard inspection standard, and provides a powerful quality control monitoring means for medicine market supervision.

The invention relates to a detection method for a vaginal expansion plug. The detection method comprises an expansion value determination method and a weight difference determination method. The detection method is more scientific and has high reproducibility. On the other hand, the invention also provides the vaginal expansion plug which is suitable for detection of the detection method. The expansion plug comprises an expandable expansion carrier containing a medicinal substrate; the expansion carrier is divided into a front end and a tail end; the front end and the tail end have different expansion values and expansion speeds, so that liquid medicine can be prevented from flowing out, and the concentration of the medicine in the vagina is kept.