34results about How to "Meet the needs of rapid analysis" patented technology

The invention discloses a gene sample analysis method, comprising: receiving a gene sample selection instruction; displaying a variation filtering selection interface; at the same time, according to the selected gene samples, extracting common variation information of each selected gene sample to form a sample to be analyzed The data is cached in the memory; the filter condition selection instruction is received; the sample data to be analyzed is called from the memory, and the genetic sample variation analysis is completed according to the filter condition. The invention discloses an electronic device using the gene sample analysis method. The gene sample analysis method and the electronic equipment provided by the invention can improve the reaction speed of gene sample analysis.

The invention provides a method for detecting the water content and fat content in abalone through a low-field nuclear magnetic resonance technology. The method comprises the following first step of collecting samples, the second step of carrying out low-field nuclear magnetic analysis on the sample, the third step of measuring the samples, the fourth step of establishing a model, the fifth step of evaluating the model, and the sixth step of measuring the water content and the fat content of the samples to be detected. By means of the method, the water content and fat content in abalone can be measured at the same time, detection is rapid and accurate and free of the influence of the surface feature of abalone, and abalone is not damaged in the measuring process.

The invention discloses a semi-quantitative detection method for water quality quaternary ammonium salt, which comprises the following steps: absorbing the water sample to be tested into a reaction tube, adding a quaternary ammonium salt detection reagent dropwise into the reaction tube, and immediately mixing with the detection standard color card after shaking well Colorimetry, compare the color of the detection standard color card to determine the content of the quaternary ammonium salt. The quaternary ammonium salt detection reagent comprises dadan yellow, EDTA, thymol blue and sodium hydroxide, and the component ratio is: dadan yellow: EDTA: thymol blue: sodium hydroxide is 100 by mass ratio: (5-100): (20-200): (10-100) mixed. The detection method of the present invention can quickly detect the concentration of quaternary ammonium salts in water samples only by using quaternary ammonium salt detection reagents, reaction tubes, and detection standard color cards.

The invention relates to an analytic pretreatment machine for a metal material, also relates to a corresponding treatment method and belongs to the technical field of metallurgy detecting and grinding equipment. The analytic pretreatment machine comprises a vertical cylindrical vacuum chamber provided with an air exhaust interface and a sealing door; the middle of the bottom surface of the vacuumchamber upwards extends to form a cathode tube connected with a high-voltage power supply; a cathode head with a placing area for a to-be-treated sample is arranged on the top of the cathode tube; a shielding device for covering the cathode head and the cathode tube is extended from the periphery of the placing area; a cooling channel which is externally connected with a cooling fluid source is arranged inside the cathode head; a grounded anode base is arranged at the middle of the top end of the vacuum chamber; the grounded anode base downwards extends to form an anode head opposite to the cathode head; an inert gas feeding pipe is arranged in the anode head; and a gas exhausting port of the gas feeding pipe is opposite to the sample placing area of the cathode head. Due to the adoption of the analytic pretreatment machine and the treatment method disclosed by the invention, secondary oxidation can be avoided; excellent effect and high speed can be obtained; and the demand for quick analysis can be better met, and thereby a more accurate detection result is obtained.

The invention relates to a method for rapid and nondestructive detection of the water content in the abalone drying and rewatering process. The method comprises the following steps: acquiring echo attenuation curve data of fresh abalone samples, drying the fresh abalone samples, and acquiring the CPMG signals of the fresh abalone samples in the drying process; rewatering the dried abalone samples after the echo attenuation curve data of the fresh abalone samples is acquired, and acquiring the CPMG signals of the dried abalone samples in the rewatering process; determining the real water content of every sample; establishing a water content predicating model corresponding to the real water content in the drying and rewatering process; and acquiring the echo attenuation curve data of an abalone sample to be detected through adopting the same technology, and combining with the water content predicating model to obtain the predicated value of the water content of the abalone sample to be detected. The method has the advantages of high measurement result accuracy, short time, no damages to abalones, fastness, and no pretreatment of the abalones, and can realize rapid and nondestructive detection of the water content of the abalone drying and rewatering process.

The present invention relates to the technical field of image search, and provides a method for image search based on deep learning, in which image category features are calculated, and a trained deep convolutional neural network is used to extract classification features from input images; Encoding features, using the trained deep learning automatic encoding algorithm, extracting encoding features for the input image; mixing feature encoding compression, integrating the classification features and image self-encoding features, and encoding these features through the deep learning automatic encoding algorithm; according to The feature computes image similarity and ranks the output. The present invention utilizes a deep convolutional neural network to generate high-level features to ensure similarity in the image category of image search results; and uses an automatic encoding algorithm to generate low-level image encoding features to ensure that images are similar in content; hybrid self-encoding features The method further integrates classification features and image self-encoding features to reduce the dimensionality and make the search results faster and more stable.

The invention discloses a method for quickly detecting microcystins in water. The method comprises the following steps: 1, filtering an obtained water sample, enriching and purifying the water samplewith a transition metal sulfide nano-material, and quickly passing the water through a filter, adjusting pH of the water sample to 1-5, and finally performing elution with pure water and methanol; 2,analyzing and determining the treated water sample with ultra-high performance liquid chromatography-tandem mass spectrometry. After the water sample is enriched and purified by the transition metal sulfide nanomaterial, MC-LR and MC-RR sensitivity can reach 20 ng / L and 10 ng / L respectively through cooperation with the ultra-high performance liquid chromatography- tandem mass spectrometry, the whole process time is shorter than 20 min, and dual requirements of the environmental monitoring department for timeliness and accuracy of microcystin detection can be fully met. Standard addition experiments prove that the recovery range of drinking water samples with the method reaches 97%-105%, and the recovery rate for waste water samples reaches 83%-99%, and the relative standard deviation is smaller than 5%. The method has the characteristics of high sensitivity, high analysis speed, high selectivity, simple operation and the like.

The invention discloses a method for determining volatile organic compounds in cigarette materials. Combining the Headspace Sampler with Ion Molecular Reaction Mass Spectrometry (IMR‑MS), the Headspace Sampler is used to collect cigarette materials (including cigarette paper, tipping paper, rigid wrapping paper, soft wrapping paper, strip packaging The volatile components in paper, cigarette filter rods and tow) are then analyzed by ion-molecular reaction mass spectrometry, and the standard curve and calculation can be used to quickly and accurately determine the content of volatile organic compounds in cigarette materials. The invention can obtain a relatively simple and clean mass spectrum, simplifies the qualitative and quantitative analysis of volatile organic compounds, and can simultaneously accurately and quantitatively detect 19 kinds of volatile organic compounds commonly found in tobacco materials, and the advantages of rapid analysis are beneficial to Realize the detection of large batches of volatile samples and meet the needs of rapid laboratory analysis.