50results about How to "Conclusion objective" patented technology

The invention relates to a method for determining fingerprint chromatography of radix astragali and ligusticum wallichii extract products, which comprises the following steps: 1)taking Radix Astragali and Ligusticum wallichii extract product fine powder, preciously weighing, adding methanol, performing ultrasonic extraction, filtering and drying a filtrate, dissolving residue by ethanol and metering volume, filtering by a filter membrane, taking a subsequent filtrate to obtain a tested object solution; 2)taking a ferulic acid reference substance, a senkyunolide I reference substance, a calycosin glucoside reference substance, an ononin reference substance, a calycosin reference substance and a fermlononetin reference substance, preciously weighing, respectively adding methanol to prepare a reference substance solution; and 3)respectively and preciously absorbing the tested object solution and the reference substance solution, and injecting a high efficiency liquid chromatography for determining to obtain the fingerprint chromatography of radix astragali and ligusticum wallichii extract products. The method has active effect for guiding clinical medication and effective feeding guidance to the bulk drugs during the production process, and ensuring the reliable quality; the method has the advantages of convenient and fast operation, so that similarity result can be obtained, the quality of the traditional Chinese medicinal materials radix astragali and ligusticum wallichii extract products can be evaluated, and the result is objective and accurate.

The invention discloses a quality control method of a peach kernel qi activating decoction composition and belongs to the field of traditional Chinese medicine analysis. The method includes the steps that a peach kernel qi activating decoction fingerprint spectrum is established through high performance liquid chromatography, and chromatographic conditions are characterized in that a chromatographic column adopts octadecylsilane chemically bonded silica as filler; an ultraviolet detector is adopted as a detection instrument, and the detection wavelength of the fingerprint spectrum ranges from 210 nm to 250 nm; the flow rate ranges from 0.9 ml/ml to 1.1 ml/ml, the column temperature ranges from 25 DEG C to 35 DEG C, the detection wavelength ranges from 210 nm to 250 nm, the number of theoretical plates should not be smaller than 3,000 according to calculation of catechinic acid peaks, methyl alcohol serves as a moving phase A, a 0.1% phosphoric acid solution serves as a moving phase B, and gradient elution is carried out according to the following sequence: the gradient condition of elution detection of the fingerprint spectrum is defined in the specification. The fingerprint spectrum comprehensively reflects quality information of a peach kernel qi activating decoction, and therefore the quality of the peach kernel qi activating decoction can be more comprehensively and effectively controlled.

The invention relates to an assay method of a ligusticum wallichii fingerprint. The assay method comprises the following steps: (1) grinding ligusticum wallichii medicinal materials into medium powder, accurately weighing, adding ethyl alcohol, carrying out ultrasonic extraction, chilling, complementing lost solvent weight, filtering through a microporous filtering membrane and taking subsequent filtrate to obtain a test article solution; (2) preparing a reference substance solution; and (3) accurately sucking up the test article solution and the reference substance solution respectively, injecting into a high-performance liquid chromatograph, and measuring, so as to obtain the ligusticum wallichii fingerprint. The assay method has a positive role in effective feeding guidance of crude drugs in clinical medication and production processes and insurance of the reliability of the quality, and is convenient and fast to operate, so as to obtain a similarity result; the quality of the traditional Chinese medicinal material ligusticum wallichii is evaluated; and the conclusion is relatively objective and accurate.

The invention discloses a quality control method of a danggui sini decoction composition, wherein the method belongs to the field of traditional Chinese medicine analysis. According to the method of the invention, a fingerprint spectrum is established by means of high-efficiency liquid chromatography; a chromatographic column is a octadecylsilane chemically bonded silica chromatographic column; the column temperature is 25-35 DEG C; the flow velocity is 0.9-1.1ml/min; the detecting wavelength is 220nm; acetonitrile (A)-0.1% phosphoric acid solution (B) is used as a mobile phase, and gradient elution is performed according to a sequence which is represented in the description. The fingerprint spectrum according to the invention comprehensively reflects quality information of the danggui sini decoction composition, thereby realizing a purpose of more comprehensively and effectively controlling the quality of the danggui sini decoction composition.

The invention discloses a LoRa-technology-based marine monitoring system and a layout and monitoring method thereof. The system is composed of beacon devices, a base station and a data processing andanalysis platform. The beacon devices consist of processor modules, positioning service modules and LoRa communication modules. The multiple beacon devices are distributed at a to-be-monitored sea area and are used for outputting position information to a shore-based base station in real time. The shore-based base station consists of a LoRa communication module and a data processing gateway and isused for receiving the position information outputted by the beacon devices in real time. The data processing and analysis platform is used for storing the received beacon movement information and position information, analyzing movement tracks of the beacon devices, and locating and displaying the positions of the beacon devices. Therefore, the real-time dynamic information of marine environmental pollution is monitored effectively; the objective accuracy rate of the result is high; the power consumption is low and the communication range is long; the monitoring range is wide; and the monitoring means almost does not need manual intervention, so that the personnel maintenance frequency is minimized.

The invention discloses a wind power plant operation benefit comprehensive real-time evaluation method. The method comprises the steps of acquiring multiple pieces of operation index data of a to-be-evaluated wind power plant; performing normalization processing on the operation index data to obtain normalized operation index data; and by adopting a triangular fuzzy number and an analytic hierarchy process, calculating and determining a first evaluation weight of each operation index. According to the method, a wind power plant comprehensive evaluation decision model is built by utilizing thefuzzy analytic hierarchy process, so that the problem of an analysis method for evaluating the operation benefits of the wind power plant by using a single index is solved; multiple decision makers participate jointly, and element-level weights are given together, so that the subjective tendency effect of the decision makers is weakened, and the space of the decision makers can be taken into account; and the indexes of the wind power plant are mutually influenced, so that a conclusion is more objective.

The invention discloses a method for controlling the quality of a rhizoma cimicifugae radix puerariae decoction composition, and belongs to the field of traditional Chinese medicine analysis. The method adopts a high performance liquid chromatographic method for establishing a fingerprint, chromatographic conditions are as follows: an octadecyl silane bonded silica gel chromatography column is used as a chromatography column, flow rate is 0.9ml / min-1.1ml / min, column temperature is 25 to 35 DEG, an UV detector is used as a detection instrument, detection wavelength is 210nm-250nm; theoretical plate number is not less than 4000 on the basis of a puerarin peak; a reference solution is a methanol solution of daidzin; an acetonitrile-0.1% phosphoric acid solution system is used as a moving phase, and gradient elution is performed in the following order shown in the specification. The fingerprint fully reflects the quality information of a rhizoma cimicifugae radix puerariae decoction, so that the purpose of more effective and comprehensive control of the quality of the rhizoma cimicifugae radix puerariae decoction product can be achieved.

The invention relates to a construction method of an HPLC fingerprint of Qian Bai Bi Yan Pian. The method comprises the steps of: carrying out preparation of a mixed reference substance solution, wherein hyperoside, p-hydroxycinnamic acid, notopterol, chrysophanol, isoimperatorin, chlorogenic acid, imperatorin, amentoflavone, physcion, emodin, osthole, caffeic acid and kaempferol reference substances are added into a solvent to obtain the mixed reference substance solution; carrying out preparation of a test substance solution, wherein a sample of Qian Bai Bi Yan Pian is added into methanol with a volume fraction of 25%-100% for extraction, and subsequent filtrate is obtained after filtration of extract to obtain the test substance solution; and respectively injecting the mixed reference substance solution and the test substance solution into a high performance liquid chromatography, and carrying out measurement and determination to obtain the fingerprint. The constructed fingerprint can comprehensively reflect quality information of Qian Bai Bi Yan Pian, has the advantages of fastness, stability, high precision, high reproducibility and the like, and can be used for quality control of Qian Bai Bi Yan Pian.

The invention discloses a multi-model fusion muscle-bone ultrasonic diagnosis system based on deep learning, and relates to the technical field of medical treatment. A diagnosis management platform comprises a model library, a diagnosis system and a display system; the display system comprises a frame selection rectangular module and a focus information display module; the model library comprises a data acquisition module and a model establishment module; and the diagnosis system comprises a diagnosis and treatment module, a quantitative comparison module and an image processing module. According to the multi-model fusion muscle-bone ultrasonic diagnosis system, medical image information of a muscle-bone focus to be diagnosed is acquired through the diagnosis and treatment module and is sent to the model library, and the model library is in communication connection with the diagnosis system; an output value of the focus risk of the medical image of the to-be-diagnosed muscle-bone focus is determined according to the output value obtained by the deep convolutional neural network model, artificial intelligence helps a doctor to accurately prompt the position and property of the focus of the ultrasonic image, diagnosis is assisted, the conclusion is objective, the working efficiency of a doctor is improved, and meanwhile the man-made subjective diagnosis error risk of the doctor is reduced.