55results about How to "Data results are reliable" patented technology

The invention discloses a cutter jumping volume and blade initial angle measuring method and device. By means of the method and the device, the spindle jumping volume measurement and the blade initial angle measurement can be completed synchronously. The cutter handle jumping volume and the cutter tooth jumping volume are acquired through two laser displacement sensors simultaneously. Data of the cutter handle jumping volume are used for calculating the cutter jumping volume, and data of the cutter tooth jumping volume and data of the cutter handle jumping volume are used for determining the blade initial angle simultaneously. Measurement angles are processed by a principal computer through serial port communication. The cutter jumping amount is obtained directly through calculation of the difference between the crest and the trough through data acquired by the laser displacement sensors at the position of the handle; the blade initial angle is obtained by calculation of the difference between the crest phases of two groups of data acquired through the laser displacement sensors at the positions of the handle and the blade.

The invention discloses a towed underwater geological electrical method detection system and a method. The system includes: an underwater electrical cable, simple underwater electrodes, water pressuremeasurement and sensing units, an electrical cable floating and sinking unit, an underwater GPS positioning system, an inflator, an electrical method data collection and storage module and a data processing module. The underwater electrical cable is fixed with the electrical cable floating and sinking unit. The electrical cable floating and sinking unit is connected with the inflator. The underwater electrical cable is connected with the electrical method data collection and storage module and the data processing module in turn. The simple underwater electrodes and the water pressure measurement and sensing units are fixed on the underwater electrical cable. The underwater GPS positioning system includes responders, a shipboard transducer and a GPS. The responders are fixed at simple underwater electrodes of a front part, a middle part and a tail part on the underwater electrical cable. The responders are connected with the shipboard transducer in a wireless manner. The GPS is fixed on a tugboat. The towed underwater geoelectrical detection method and the method provided by the invention systematically solve the deficiencies and the problems still existing in current underwater geological electrical method detection, and have good application prospects.

The invention relates to a method for simultaneously detecting 15 antibiotics in aquaculture sediment by combining microwave extraction-solid phase extraction pretreatment with a liquid chromatography-mass spectrometry (LC-MS) technology. The method comprises the following steps: step (1) pretreating sediment samples, adding internal standard substances sulfamethoxazole-13C6, norfloxacin-D5, penicillin G potassium salt-D5, tetracycline-D6, olaquindox-D4, amoxicillin-13C6 and trimethoprim-D3 indicating a recovery rate, adding an acetonitrile-phosphate buffer solution for microwave extraction ofextraction liquid; step (2) performing solid phase extraction, enrichment and purification on target antibiotics; and step (3) quantitatively detecting 15 antibiotics of seven types in sediment witha liquid chromatograph/mass spectrometer. The method can simultaneously detect residues of 15 antibiotics containing 8 new antibiotics in the aquaculture sediment at a time by optimizing the internalstandard substances, screening appropriate pretreatment method and optimizing detection conditions, and has the advantages of high recovery rate, high sensitivity, high stability, low detection limit,more true and reliable detection results and the like.

The invention provides a method for simultaneously detecting 15 antibiotics in an aquaculture water body by solid-phase extraction pretreatment combined with a liquid chromatography-mass spectrometrytechnology. The method comprises the following steps: (1) water sample pretreatment: adding seven internal standard substances for indicating the recovery rate, namely sulfamethoxazole-13C6, norfloxacin-D5, penicillin G potassium salt-D5, achromycin-D6, olaquindox-D4, amoxicillin-13C6 and trimethoprim-D3; (2) enriching and purifying target antibiotics by using a solid-phase extraction column; (3)detecting the contents of the 15 antibiotics in seven categories in the aquaculture water body with a liquid chromatograph/mass spectrometer by adopting an internal standard method. The method provided by the invention has the benefits that with the adoption of a single-factor experiment, the residue situations of the 15 antibiotics containing 8 new antibiotics in the aquaculture water body can besimultaneously detected at a time by preferably selecting the internal standard substances and optimizing detection conditions; the method has the advantages of high precision, high sensitivity, highstability, high selectivity, low detection limit, more true and reliable detection results and the like.

The invention discloses a device for testing specific surface and pore distribution of rock in an isothermal adsorption instrument, and belongs to the field of oil-gas exploration and development. On the basis of the isothermal adsorption instrument, a device accommodating a test sample is improved to meet the requirement of conventional and unconventional oil-gas exploration and development; the improved device can directly test a rock core pillar of which the diameter Phi is 25 mm and a rock core fragment of which the diameter Phi is not larger than 25 mm, so as to reduce the impact of pores distributed in the surface of the sample on the test result to a larger extent, eliminate perturbance of a smashing process on the pore structure during the testing of a coal seam gas and shale gas reservoir rock sample, and ensure that the test result can restore the practical distribution of rock pores in a stratum relatively really. For sample selection, the rock core pillar, which is tested with gas saturation and treated with rock electroanalysis, is selected for the specific surface and pore distribution test; then the rock core pillar is treated with a rock mechanical property test, so that the test result is relatively visual, and the processes of oil-gas exploration and development are accelerated.

The invention relates to gaseous radioactive waste processing technology, specifically to a testing system for the performance of a drying agent of a dehumidifying and drying unit of a gaseous radioactive waste processing system. The testing system comprises a nitrogen supplying device and a compressed air supplying device; the nitrogen supplying device and the compressed air supplying device are separately connected with a first measuring tank; the outlet of the first measuring tank is connected with the inlet of a drying agent testing bed; the outlet of the drying agent testing bed is connected with a second measuring tank; the outlet of the second measuring tank is connected with a chimney; pressure sensors and temperature sensors are arranged on the drying agent testing bed; and a pressure sensor and a humiture sensor are respectively arranged on the first measuring tank and the second measuring tank. The testing system can adjust relative humidity and temperature of air flow so as to realize testing of the performance of the drying agent under different parameter conditions.

The invention relates to a device for on-line monitoring of vacuum leakproofness of a steam turbine based on a gas state equation and a running method. At present, on-line monitoring of leakproofnessof a field vacuum system cannot be performed. In the device for on-line monitoring of vacuum leakproofness of a steam turbine based on a gas state equation, a condenser is connected with a vacuum pumpthrough a No.1 pipeline, and a vacuum breaking valve is mounted on the No.1 pipeline; the vacuum pump is connected with a steam-water separation device; the steam-water separation device is connectedwith a gas collection device through a No.2 pipeline, a steam-water separation device safety valve, a steam-water separation device air bleeding regulating valve and a gas collection device air inletregulating valve are mounted on the No.2 pipeline, the gas collection device is connected with the vacuum pump through a No.3 pipeline, and a gas collection device vacuumizing regulating valve is mounted on the No.3 pipeline; and a gas collection device pressure measuring point and a gas collection device temperature measuring point are arranged on the gas collection device, the gas collection device is connected with an operator stator, and the operator station is provided with a timer. The device provided by the invention is used for on-line monitoring of vacuum leakproofness of the steam turbine, and facilitates knowing of the running state of a unit in time.

The invention discloses a synchronous alignment device and method for short-pulse laser Thomson scattering signal light spots to achieve high-precision synchronous monitoring of light spots positions. Two positions are selected from a signal receiving optical fiber bundle array; an optical fiber receiving end surface is equally divided into left and right two beams and the length difference between the two beams is 10m; short-pulse signals are transmitted into an original spectrometer and an APD detector in a manner of staggering about 50ns; and after data are obtained through a high-frequency collection system, two pulse signals are analyzed and calculated, the signal intensity ratio of the two pulse signals is used for analyzing real-time offset of the optical fiber end surface and then a three-dimensional optical fiber bracket is adjusted through a control system, so that the offset is eliminated and the system precision is improved. The spectrum shape and strength after the two pulse signals are superposed are used for calculating the electron temperature and density respectively. By the method disclosed by the invention, the relative positions of the signal receiving optical fiber end surface and the scattering light spots are directly and accurately detected through the device disclosed by the invention; and the method and the device are suitable for collection of short-pulse laser Thomson scattering signals and the like.

The invention discloses an aluminum alloy casting and smelting process online detection and data application method and system. The online detection and data application method comprises the steps: A,sampling a solution and sending the sample solution to a hydrogen measuring system and pouring area; B1, measuring the hydrogen content in the sample solution, displaying the result and determining whether to perform secondary degassing refining; B2, sending the pouring sample to a field composition detection system, wherein the field composition detection system detects the chemical element composition in the pouring sample, displays the result and determines whether the chemical element composition needs to be adjusted; and C, performing temperature measurement on the casting and melting process of the aluminum alloy, displaying the result and determining whether the temperature needs to be adjusted. The method is applied to the casting and melting process of the aluminum alloy, the detection automation degree is high, the detection period of key parameters is short, the data result is stable and reliable and the practical value of production and application is high; the casting andsmelting process of the aluminum alloy is always controlled, the product quality and reliability are improved and the production efficiency is high.

The invention discloses an analysis method for evaluating in-vitro activity of a thrombopoietin (TPO) receptor stimulant. According to the method, the binding activity of a sample and a TPO receptor and the activity of the thrombopoietin are reflected by evaluating the proliferation-promoting development capacity of the sample on cells. By adopting the method, on one hand, the problem that BaF3-hMpl cell system in the prior art is great in establishing difficulty, great in time consumption and instable in detection result can be solved; on the other hand, the problems that by adopting a suspension cell MTT method, the color developing time is long, an insoluble formazan product is generated, the result reproductivity is poor and the accuracy is low can be solved; meanwhile, a four-parameter data processing method which is better than survival rate evaluation indexes is adopted, so that the activity value of the sample can be directly defined.

The invention discloses mobile environment monitoring equipment capable of sampling in a grading mode, which relates to the technical field of environment monitoring equipment. The mobile environment monitoring equipment comprises a mounting bottom plate, an annular frame and a third motor are fixedly mounted at the top of the mounting bottom plate, and a rotating rod is mounted at the output end of the third motor in a driving mode; a rotating gear and air suction fan blades are fixedly connected to the rotating rod in a sleeving mode, an air distribution pipe is rotationally connected to the rotating rod in a sleeving mode, graded sampling detection parts used for collecting air are fixedly installed at the two ends of the air distribution pipe correspondingly, and the two graded sampling detection parts are both connected with the rotating gear and the annular frame. The environment monitoring equipment is reasonable in structure, the environment monitoring equipment can perform grading detection on the environment, and two groups of detection data are compared, so that the detection samples have no difference, the data result is more real and reliable, the error is smaller, and the environment monitoring equipment is better in detection effect and higher in practicability.

The invention discloses an analytical method of utilizing adherent cell-human ovarian granular cell tumor cell strain (KGN) to evaluate in-vitro biological activity of human follicle stimulating hormone. The method comprises the following steps: using the human follicle stimulating hormone to stimulate the human ovarian granular cell tumor cell, measuring the content of generated progesterone, so as to reflect the activity of the human follicle stimulating hormone. The analytical method of using the human ovarian granular cell tumor adherent cell to evaluate the in-vitro biological activity of the human follicle stimulating hormone, disclosed by the invention, is effective, stable and quick, and avoids the limitations of long time consumption, complicated operation and poor result repeatability in the animal in-vivo ovarian weight increment method; meanwhile, the progesterone content is determined by a commercial enzyme linked immunosorbent assay (ELISA) kit, so that the biological activity of the human follicle stimulating hormone can be reflected truly and more accurately.

The invention discloses a determination method for the value of conversion from nitrogen and phosphorus in water to primary biological and ecological capacity. The method comprises the steps of site selection, experiment water design and construction, arrangement of an experiment pond, determination of experiment time, performance of a specific experiment and the like. Through the determination method, the value of conversion from the nitrogen and phosphorus in the water of a lake or reservoir to the primary biological and ecological capacity can be obtained through statistics, the biological and ecological capacity of the lake or reservoir can be further grasped, the value of the biological and ecological capacity is used for deciding the socking quantity and catching quantity of aquatic organisms in the water of the lake or reservoir, therefore, the water of the lake or reservoir is protected, and certain economic benefits are generated continuously. Besides, the determination method is high in operability and reliable in data result.

The invention discloses a method for identifying Ig gene distribution of B lymphocytes by digital PCR (Polymerase Chain Reaction). The method comprises the following steps: 1) designing five sets of primers according to five Ig heavy chain C regions, wherein each set of primers comprises a reverse transcription primer, an amplification primer and/or a taqman probe, and the reverse transcription primer is the same as a reverse primer in the amplification primer; 2) carrying out reverse transcription on 5 identical RNA of the same sample to be tested to generate cDNA, then carrying out digital PCR detection to obtain an original copy number of corresponding Ig genes in the 5 cDNA, and calculating copy number distribution of the 5 Ig genes in the sample to be tested. The method disclosed by the invention can identify the expression of 5 Ig genes and does not have the preference problem, and can reflect the proportion of the 5 Ig in the original sample. The digital PCR technology is used for identifying the Ig gene distribution to verify whether a preference exists in a sequencing result, and the correction of the preference of the primer amplification is facilitated. The accuracy of the Ig ratio is conducive to the research of disease immune response, vaccine evaluation and the like.

The invention relates to the technical field of tool performance testing, in particular to a device and method for detecting tool jumping on equipment. The device and method are characterized in thata rotary frame is arranged on a main shaft in a sliding way; and the rotary frame moves towards a tool along the main shaft for driving a laser displacement sensor to detect the tool handle jumping amount and the blade jumping amount of the tool. The tool jumping amount and the blade initial angle can be acquired by calculation, the tool replaced from the main shaft in the machining process of a numerical control machine tool can be detected in real time; the machining quality of high-precision machining is ensured; and the measured data result is reliable. The device and method are convenientto operate, and high in automation degree.

The invention discloses a high-precision measuring device and a high-precision measuring method for silo test model interface pressure distribution. The high-precision measuring device comprises a silo container, a stress measuring device for particle column bottom/side wall pressure distribution in the silo container, and a feeding funnel; the silo container is of a hollow columnar structure madeof transparent materials, and the stress measuring device comprises strip-shaped flexible stress measuring films symmetrically laid on the inner wall of the silo container, a flexible stress measuring film block fixedly pressed at the bottom of the silo container, and a computer which is communicated with the strip-shaped flexible stress measuring film and the flexible stress measuring film blockthrough data lines. According to the invention, all cross sections including the outer wall of the silo container are arranged on the flexible stress measurement film block, so that a full-section high-density pressure distribution result can be obtained, and the change rule of pressure transmitted by the silo wall and the in-silo particle column can be compared and analyzed; the redistribution of internal force of a particle system caused by deformation of a traditional pressure test box is eliminated, and the silo pressure test accuracy is improved.