68results about How to "Sampling is simple and convenient" patented technology

The invention relates to an intelligent injection molding machine and an injection molding method thereof. The intelligent injection molding machine comprises an input unit, a logic operation unit, a storage unit, a detection unit and an executing unit, wherein the detection unit comprises a position sensor, a pressure sensor, a strain sensor and a temperature sensor; the logic operation unit acquires information of speed, pressure, temperature and strain in each moving process detected by the detection unit and carries out operation and comparison to generate curves of speed, pressure, temperature and strain; the logic operation unit generates a corrected multi-section grading injection-molding process according to the information and stores the corrected multi-section grading injection-molding process in the storage unit; the injection molding machine acts according to the corrected multi-section grading injection-molding process. The sectional injection process obtained by turning-point analysis has an accurate sectional effect, i.e., the sectional process conforms to the actual needs of product molding, so that the sectional injection process has the process characteristic of stable molding.

The detection process of SARS virus of the gene detection reagent kit with rationing standard specific SARS virus nucleic acid as reference includes RNA extraction, PCR amplification and fluorescent detection. The venous blood sample, gargled liquid or respiratory tract secretion of the patient is used as the analysis sample directly, RNA of the sample is extracted as the nucleic acid template, and the template is used in fluorescent PCR amplification. The used fluorescent amplification detecting reagents includes one-step process RT-PCR buffering liquid, deoxynucleoside triphosphate (dNTP) mixture, specific amplification primer and specific probe. The method of the present invention is fast and convenient in detecting SARS virus.

The invention discloses a computer technology-based water quality detection device convenient for sampling. The water quality detection device comprises a detection water tank; a water inlet pipe anda water outlet pipe are mounted at the top and the bottom of the outer wall of one side of the detection water tank through bolts respectively; a first water suction pump is mounted on the outer wallof one end, far away from the detection water tank, of the water inlet pipe through bolts; the water inlet end of the first water suction pump is connected with a diversion valve through a water pipe;diversion pipes distributed equidistantly are mounted on the outer wall of one end, far away from the first water suction pump, of the diversion valve through bolts; and electromagnetic valves are mounted on the outer walls of the circumferences of the diversion pipes through bolts. A pH meter is used for detecting a pH value of sampled water; a turbidity detector is used for detecting the turbidity of the sampled water; a water quality ion detector is used for detecting the ion concentration of the sampled water; a water quality hardness detector is used for detecting the hardness of the sampled water; and detection data is connected with a computer through a signal line to perform analysis and detection, so that the precision and accuracy of water quality detection are improved.

The invention discloses a sealant dispersing system with a circulating water temperature adjusting device. The system comprises a cylindrical main container body and further comprises a vertical stirring shaft, a stirring knife, a vertical stirring motor, a rotary connector, a sealant pumping pump, a transfer container, a horizontal stirring shaft, a stirring blade, a horizontal stirring motor, a stirring knife lifting mechanism, a sampling mechanism and a circulating water temperature adjusting device. By means of the system, raw materials in the main container body can be more rapidly and more evenly stirred, so that raw materials on the upper, lower, side and middle portions in the container body are evenly dispersed more synchronously, dispersing operation time can be shortened, and production efficiency can be improved; in addition, in the dispersing treatment process, the temperature of sealant can be adjusted through the circulating water temperature adjusting device, and dispersing operation efficiency is further improved.

The invention provides an indoor simulation system for a sea ice freezing and thawing process experiment and relates to a device capable of simulating the forming and thawing processes of sea ice on the surface layer of an ocean in the natural environment in a laboratory. The indoor simulation system for the sea ice freezing and thawing process experiment is provided with a refrigerator, a semiconductor refrigerating device, a water storage tank, sampling ports, heat preservation layers and temperature probes; an air-cooling refrigerator is adopted to serve as the refrigerator, and a hole is formed in the top of the refrigerator; the upper portion of the water storage tank used for containing sea water is provided with an opening and an upper cover; the semiconductor refrigerating device is embedded in a top plate of the water storage tank, and a refrigerating piece of the semiconductor refrigerating device directly makes contact with air in the water storage tank; the periphery and bottom of a tank body of the water storage tank are wrapped with the heat preservation layers correspondingly so that sea ice can be prevented from being formed on the periphery and bottom of the tank body of the water storage tank; the sampling ports are formed in the side face of the tank body of the water storage tank and used for sampling air samples and water samples, and the sampling ports are sealed through water seal clamps; a drainage hole is formed in the bottom of the tank body of the water storage tank, and the drainage hole is externally connected with a vacuum bag; and the temperature probes are arranged on the periphery and bottom of the tank body of the water storage tank, and a balloon arranged on the upper portion of the tank body of the water storage tank communicates with the outside of the tank body of the water storage tank.

The invention discloses a peripheral blood transcription gene marker for breast cancer detection. The peripheral blood transcription gene marker comprises blood cell characteristic gene sequences of breast cancers shown in SEQ ID NO.1-SEQ ID NO.10. The invention also discloses application of the gene marker in preparation of breast cancer detection products. According to the peripheral blood transcription gene marker, early screening detection is carried out on the breast cancers through combinatory analysis on the expression conditions of transcription gene markers related to the breast cancers in peripheral blood. The peripheral blood transcription gene marker has the advantages of high sensitivity and strong specificity, the peripheral blood which is most easily collected clinically is taken as a detection sample, sampling is safe, simple and convenient, the peripheral blood transcription gene marker is very suitable for early screening and auxiliary diagnosis of the breast cancers of a large-scale population, and the application prospect is wide.

The invention discloses a method for measuring chemical components of liquid sodium silicate. The method comprises the following steps: (1) setting a constant value of a liquid sodium silicate standard sample; (2) preparing the liquid sodium silicate sample and determining the sampling amount; (3) drawing a working curve by employing an X-ray fluorescence spectrophotometer; (4) measuring contents of Na2O, SiO2, K2O and S in the liquid sodium silicate sample. The method has the characteristics of high rapidness and accuracy and simple operation, the sample is not required to be subjected to special treatment and can be directly subjected to sample injection and analysis, and various types of sodium silicate can be well measured; moreover, by employing the method, the application range of the X-ray fluorescent spectrometry is widened, and compared with the traditional wet process chemical analysis, the method has the advantages that sampling is simple and convenient, analysis speed is fast, the precision and the accuracy are high, the analytical testing efficiency is greatly improved, and the detection cost is saved.

The present invention provides a kind of measles virus fluorescence amplification detection kit and method for detecting measles virus by using said kit. Said kit includes measles virus hemagglutinin gene standard product, fluorescence amplification detection reagent and DNA polymerase and reverse transcriplase. The fluorescence amplification detection reagent mainly includes one-step method RT-PCR buffer fluid, specific amplification primer and specific probe and deoxynucleoside triphosphate mixture. Said method can directly detect pathogen nucleic acid, and can detect the specific gene containing measles virus.

The present invention provides a kind of H5N1-type avian influenza virus fluorescence amplification detection kit and detection method for detecting avian influenza virus byusing said kit. Said kit includes the following several portions: H5N1-type avian influenza virus hemagglutinin gene standard product, fluorescence amplification detection reagent and DNA polymerase and reverse transcriptase. The fluorescence amplification detection reagent mainly includes one-step method RT-PCR buffer fluid, specific amplification primer and specific probe and deoxynucleoside triphosphate mixture. Said method can directly detect pathogen nucleic acid, and can detect specific gene containing H5N1-type avian influenza virus.

The invention provides a rapid kit and a method for detecting genes containing 89k pathogenicity island Streptococcus type II through a Taqman-MGB double fluorescent probe PCR. The specific primer and the specific probe of the kit include a 16S upstream primer of 5'- AGCGCAGGCGGTTTGA-3', a 16S downstream primer of 5'-ACAGTTTCCAA AGCGTACTATGGTTA-3', a 16S specific probe of 5'-FAM-AGTCTG AAGTAAAAGGC-MGB-3', a 89K upstream primer of 5'-ATAAAAATACCGCT GTTGGATGGA-3', a 89K downstream primer of : 5'-CGTCTACACCGAATT GTT TTGCA-3', and a 89K specific probe of 5'-HEX- CATGGGAGATATAAAG A AC -MGB-3', wherein FAM and HEX are reporting fluorescent groups, and HGB is a decorative group. The method provided by the invention has easy and convenient sampling, rapid evaluation, high sensitivity and accurate results, and can be applied to early diagnosis of SS2 onset.

The invention relates to the field of immunoassay medicine, in particular to a kit for joint detection of SARS-CoV-2 antigen-antibody and a preparation method thereof. The kit comprises a reaction plate coated with an SARS-CoV-2 virus N antibody and an SARS-COV-2 virus S antigen, a sample diluent, an enzyme marker, a chromogenic substrate solution, a washing solution and the like. The kit providedby the invention adopts a double-antigen sandwich method to measure the total antibody, has better specificity than a capture method and an indirect method, and avoids false positive to the greatestextent. The kit realizes the purposes of shortening the window period and improving the detection rate, and has the advantages of more accurate detection result, strong specificity, high sensitivity,high repeatability, high stability, wide measurable linear range, simple operation, easy result judgment and the like.

The invention discloses a CDKN2A gene fragment and application of the primers of CDKN2A gene fragment in diagnosing tumors.By designing an upstream and downstream primer pair, the specific CDKN2A gene fragment is determined, the gene fragment shows remarkable high DNA methylation in tumor patients while showing low DNA methylation in normal people, and statistic differences exist between DNA methylation of tumor patients and that in normal people.Occurrence and development of tumors are tracked with the level changes of DNA methylation of the gene fragment, and thus a novel biomarker is provided for diagnosis, treatment effect monitoring and prognosis improvement judgment of tumors.

The invention relates to the technical field of hydraulic engineering, and discloses a riverbed permeability coefficient testing device. The device comprises a sampling unit and a leakage unit, the sampling unit comprises a sampling pipe and a piston assembly; the bottom end of the sampling pipe is open, so that a riverbed soil sample enters the sampling pipe; the piston assembly is detachably inserted into the sampling pipe in a sealed mode and can reciprocate in the axial direction of the sampling pipe relative to the sampling pipe, the sampling unit further comprises a bottom end cover detachably arranged at the bottom end of the sampling pipe in a covering mode, and the bottom end cover is arranged to allow water to pass and prevent a riverbed soil sample from passing; the leakage unitcomprises a water seepage barrel, and the water seepage barrel is arranged to allow the sampling unit to be vertically inserted for a penetration test. The riverbed undisturbed soil sample can be conveniently and rapidly collected through the sampling unit, the sampling efficiency is greatly improved, interference of river water flow can be eliminated through the seepage unit for a seepage test,the flexibility and operability of the test are improved, and the test efficiency is improved.

The purpose of the invention is providing a closed sampling method of a lithium ion battery electrolyte. A closed sampler for realizing the method comprises rapid joints, a sampler ball vale and a bottle body, the upper portion of the bottle body is provided with the sampler ball valve, and two sides of the sampler ball valve are provided with the rapid joints. Compared with original open sampling, the closed sampling method has the following obvious advantages: waste of a large amount of a material is avoided, and problems of discharging and flushing of the closed sampler are solved; the material floes in a closed state in the operating process, so a sample is not interfered by extraneous environment factors, and the quality of the sample is guaranteed; and the rapidly joints are respectively connected with an apparatus to be sampled and a sampling bottle, and the sampler ball valve is opened and closed to sample, so sampling is simple and convenient, and is convenient to operate.

The invention relates to a dry sand sampling drill. An internal drill bit is connected with an internal drill handle, an external drill bit is connected with an external drill handle, the internal drill bit is inserted into the external drill bit and is provided with a baffle, one end of the baffle is connected with the internal drill bit, and the other end of the baffle penetrates through the internal drill bit to extend out via a rope. The external drill bit of the external drill is inserted into sand, and the sliding collapse of walls of sand flow holes can be avoided due to the external drill; and the inner wall of the internal drill is a hollow cavity, the movable baffle is arranged in the cavity, and when the external drill is inserted into the sand, the internal drill is inserted into the external drill, the movable baffle is opened and is then closed through pulling the rope when drilling is carried out to a certain depth, and thus the sand can be removed. Therefore, the sampling is convenient and simple, and labor can be saved.

The invention discloses a time resolution immunity fluorescence kit for detecting the content of beta-hCG. The time resolution immunity fluorescence kit comprises a box body and a box cover which is arranged above the box body, wherein a separation layer which is used for placing an elisa plate coated by a beta-hCG monoclonal antibody is arranged in the box body; vessel holes for arranging reagent bottles are formed in the box body, and in the vessel holes, a reagent bottle with analysis solution, a reagent bottle with a cleaning solution, a reagent bottle with an enhanced solution, a reagent bottle with a beta-hCG correction product and a reagent bottle with a labeled anti-alpha-TSH monoclonal antibody are placed. In addition, the invention also discloses a preparation method of the kit and application of the kit in detecting the content of beta-hCG. The kit is high in sensitivity, wide in detection range and good in stability. The time resolution immunity fluorescence kit can be full-automatically operated by utilizing a full-automatic time resolution fluorescent immunity analyzer and is simple and time-saving to operate and high in sensitivity reaching up to 0.01mIU/ml, good in accuracy and free from radiation pollution.

The invention discloses a genetic detection kit for communicating hydrocephalus. The kit comprises a RT-PCR buffer, a deoxy nucleoside triphosphate mixture, specific amplification primers and probes. The kit is convenient to sample, and venous blood samples of a to-be-detected patient can be sampled; the fluorescence amplification detection kit has the advantages of high sensitivity and strong specificity and can be used for early diagnosis; and the kit is of great significance for giving the early warning of patients with communicating hydrocephalus and taking effective treatment means.