85results about How to "Improve the level of prevention and control" patented technology

The invention relates to a monitoring and prewarning system and a monitoring and prewarning method for geological disasters. The monitoring and prewarning system for the geological disasters comprises a plurality of global navigation satellite system (GNSS) monitoring stations 1, a continuous operational reference system (CORS) 2, a 3rd-generation (3G) wireless network or wireless bridge 3, a microwave communication system 4, a monitoring and prewarning server 5, a monitoring and prewarning central computer 6 and the like which are arranged in a monitored area. Each GNSS monitoring station 1 comprises a global positioning system (GPS) receiver 11, a 3G network transmission component 12, video monitoring equipment 13, a microwave communication transmission component 14, a power supply 15 and the like. In the method, the aims of forecasting and prewarning possibly initiated geological disasters automatically in real time can be fulfilled by setting the GNSS monitoring stations in areas liable to the geological disasters, monitoring ground surface displacement in real time by the CORS, performing real-time ground surface displacement monitoring on the geological disasters, such as collapse, landslide, debris flow, surface collapse, subsidence, ground fissure and the like, which can be caused by ground surface displacement, combining remote video monitoring, performing data processing on monitoring information, and automatically issuing prewarning information.

The invention relates to a forest-fire-prevention digital informatization integration command system. The system comprises a multi-parameter forest fire danger early warning and grading subsystem, a forest fire remote intelligence video monitoring and recognition subsystem, an information fusion communication subsystem, an aviation monitoring fire extinguishing subsystem, a command decision subsystem, an emergency disposal subsystem, a water fire extinguishing subsystem and a border fire prevention isolation strip subsystem, wherein the multi-parameter forest fire danger early warning and grading subsystem assesses forest fire hazard generation and spreading possibilities and a control complexity after the fire hazard is generated; the forest fire remote intelligence video monitoring and recognition subsystem discovers the fire hazard and determines a fire hazard position in 15s of fire or smoke generation and simultaneously carries out sound-light alarm; the aviation monitoring fire extinguishing subsystem carries out integrated and unified management on aviation forest fire monitoring and correlation part extinguishing; the command decision subsystem carries out fire-prevention information management, real-time monitoring, commanding and fighting, and prediction and forecasting, and analyzes and generates a fighting scheme, and carries out processing after a calamity; the border fire prevention isolation strip subsystem simulates through a fire hazard spreading expert analysis system and determines a fire prevention isolation strip position and a width according to a simulation result. By using the system of the invention, an overall situation can be controlled, air-land integration is realized and a whole forest fire hazard prevention and control ability is increased.

The invention discloses an underground coal mine pressure bump zoning grading predication method, and belongs to a coal mine pressure bump predication method. The predication method integrates cumulated influences of a fault, change of a coal bed dip angle, coal bed erosion, layer combination or thickness change zones, lithological change of a top board and a bottom board, a coal column left by upper protective layer exploration and advancing supporting pressure factors of a working surface, aims at a mining area which is analyzed through a comprehensive index method and has pressure bump danger, and classifies pressure bump dangerous degrees of different sections into four grades of a slight danger area, a general danger area, an intermediate danger area and a severe danger area. Through the fact that cumulated influences of multiple pressure bump regional influencing factors are analyzed, different pressure bump danger degrees of different exploration sections are confirmed, zoning grading predication is carried out on an exploration area, and implementation of anti-bump measures can be guided according to zoning grading predication results.

The invention relates to avian influenza virus H9 subtype positive blood serum and negative blood serum standard substances and preparation methods thereof. The standard substance positive blood serum is prepared by using young or adult SPF (specific pathogen free) chicken, carrying out intramuscular injection of an avian influenza virus H9 subtype oil emulsion inactivated vaccine, then collecting blood serum of the SPF chicken, carrying out semi-finished product inspection, adding an appropriate stabilizer and then freeze-drying; the negative blood serum is prepared by collecting the blood of the SPF chicken, separating out the blood serum, carrying out the semi-finished product inspection and freeze-drying; and the preparation is further carried out by a series of technological processes of finished product inspection, homogeneity test, stability test, calibration of the standard substances, value setting and the like. The standard substances are basic guarantee for accurate judgment of avian influenza virus H9 subtype, immunologic surveillance and correct evaluation of immune effect of vaccines of the standard substances, and can be used for improving the prevention and control level of avian influenza. The standard substances constitute the basic guarantee for diagnosis of the avian influenza virus H9 subtype and evaluation and quality control of the related product inspection work.

The invention discloses a triple PCR detection primer set for rapidly distinguishing African swine fever virus wild strains from CD2V and / or 360-505R gene deletion strains. Nucleotide sequences of three pairs of detection primers are as shown in SEQ ID NO: 1-6. Three pairs of primers are utilized to amplify three genes of African swine fever viruses CD2V, P72 and 360-505R at a time, so that the detection cost for identifying different genes is reduced, and the detection time for identifying different genes is shortened; and moreover, three genes with different lengths can be amplified only byone-time PCR reaction, and whether gene deletion exists in the strains or not can be distinguished. The three genes can be identified by one-time PCR amplification only, the cost is reduced by about 2 / 3 for a traditional method for respectively amplifying and detecting the samples of the three genes, and the triple PCR detection primer set for rapidly distinguishing the African swine fever virus wild strains from the CD2V and / or 360-505R gene deletion strains has wide market prospect.

The invention discloses bacillus subtilis and an application of the same in resisting aspergillus. The bacillus subtilis has antagonistic action in aspergillus flavus. A method for screening the bacillus subtilis which has antagonistic action in the aspergillus flavus from soil comprises the following steps: a, bacteria isolating; b, aspergillus culturing and spore liquid preparing; c, aspergillus-resistant strain screening; and d, aspergillus-resistant strain rescreening. Through aflatoxin panel screening tests and toxin production aspergillus flavus antagonistic tests, aspergillus flavus antagonistic strains in the peanut cultivation fields and storage warehouses are screened. A method for reasonably and effectively screening the aspergillus flavus antagonistic strains is established, so that the appropriate required aflatoxin inhibition strains are obtained. The bacillus subtilis is applied to the easy aflatoxin contamination stages which are before and after harvesting crops of peanuts and the like and during storage periods and the like, the aflatoxin prevention and control levels of the crops of export peanuts and the like can be improved, export risks are lowered, and the export trade of the crops and products thereof are promoted.

The invention discloses a triple fluorescent quantitative PCR detection material and kit for distinguishing African swine fever virus wild strains from CD2V and / or 360-505R gene deleted strains. The detection material comprises primers and probes, and the nucleotide sequences are shown as SEQ ID NO: 1-9. According to the invention, triple fluorescent quantitative PCR amplification is carried out on African swine fever virus P72, CD2V and 360-505R genes by utilizing three groups of primer probes, so that the detection cost and the detection time for identifying different genes are reduced; whether gene deletion exists in the strain or not can be distinguished; the detection material and kit have high specificity and sensitivity; and for traditional qPCR enabling only one gene to be amplified each time, the provided mode has the following advantages: three genes are amplified at the same time in each PCR reaction, and the cost is reduced by about 2 / 3.

The invention discloses a computing method and a computing method system for crop disease index. The computing method comprises the following steps: acquiring image of crop and pre-processing the image; dividing the pre-processed image into multiple sub-images and extracting color characters of the sub-images; using a minimum distance classifier for identifying the disease types and disease level of the sub-images according to the color characters of the sub-images; computing the crop disease index according to the disease types and disease level of the sub-images. The method solves that the disease index computing of the prior art depends on experience and knowledge of pathology of field crop protection persons, the statistical result is inaccurate and manual computation is required. The method is conducive to improve the prevention and treatment level for crop disease index and promote the implementation of precision agriculture, and novel method and technology are provided for the crop disease prevention and treatment field.

The invention relates to an avian influenza H5N1 subtype Re-5 strain hemagglutination inhibition antigen standard substance and a preparation method thereof. The standard substance is prepared by performing the following series of steps of: preparing and inspecting liquid of avian influenza H5N1 subtype Re-5 strain viruses; inactivating the liquid of the viruses and inspecting a semi-finished product; freeze-drying, inspecting a finished product, homogeneity and stability, demarcating the standard substance, valuing and the like. The standard substance is fundamental guarantee of accurately diagnosing avian influenza H5N1 subtype, performing immune monitoring of an H5N1 subtype Re-5 strain hemagglutination inhibition antibody and accurately evaluating the immune effect of vaccine and improves the prevention and control level of the avian influenza.

The invention discloses an energy identification method for slope earthquake damage. The method comprise the following steps that measured earthquake wave time interval is pretreated; empirical mode decomposition is carried out to generate a plurality of intrinsic mode functions; Hilbert transform is carried out on each intrinsic mode function to obtain a time-frequency spectrum of each intrinsicmode function; a marginal spectrum of a corresponding earthquake wave time interval is obtained according to the time-frequency spectrum of each intrinsic mode function; quantitative identification iscarried out on earthquake wave energy in a slope according to the obtained marginal spectrums; the earthquake wave energy distribution in a slope body is determined, and the position where earthquakedamage in the slope body occurs is concluded according to the earthquake wave energy distribution; according to the position where the earthquake damage in the slope body occurs, slop surface displacement and a fracture observation result are combined to conclude a damage mode of a consequent rock slope containing a weak intercalated layer. The method fundamentally reveals a failure mechanism ofthe slope under the action of earthquake, and has broad application prospects in the field of civil engineering and geological disaster prevention.

The invention relates to the field of gene detection,in particular to a kit used for detecting mutations of a CYP4V2 virulence gene of BCD,The kit can rapidly, economically and accurately judge gene types of a c.802-8_810del17insGC mutation site, a c.992A>C mutation site and a c.1091-2A>mutation site, through the joint detection on the three high-frequency mutation sites of the CYP4V2 gene, early-stage definite diagnosis, early-stage warning and early-stage intervention can be carried out on a BCD carrier and a BCD patient, and the early-stage warning time of BCD related to the three high-frequency excludability mutations of the CYP4V2 gene can be brought forward to a foetal period, so that a BCD child gets early-stage treatment, and the kit is beneficial to BCD good birth and good care and improving the prevention and cure level of the BCD; the detection method provides the basis for diagnosis and treatment of the BCD patient and the BCD carrier.

The invention belongs to the technical field of plant protection, in particular to a potato late blight control method and application thereof. A method for control potato late blight comprises that follow steps: (a) seed dressing with a contact agent and / or an internal absorbent agent before seed potato is sown; (b) Spraying contact agents at the potato seedling stage; (c) aft that occurrence ofthe late blight, spraying an internal inhalant agent at the initial stage and a permeable agent at the lat stage. This method is simple and feasible. The control effect of this method is over 90% in general years and over 80% in epidemic years. The control effect is remarkable.

The invention relates to a synergistic herbicide composition. The composition is suitable for selectively controlling weeds in beneficial crops such as rice. The synergistic herbicide composition includes the following herbicide active ingredients: pyribenzoxim and carfentrazone-ethyl in a weight ratio of (100:1)-(1:100). The composition can also include safeners. Through binary compounding of pyribenzoxim and carfentrazone-ethyl, the obtained new composition can effectively overcome the defects existing when pyribenzoxim is exclusively used, expand the weed control spectrum and simultaneously delay drug resistance, can basically remove the weeds in the rice fields after being used once, saves labor, time and effort, can partially remit the condition of lack of labor in the countryside, simultaneously has certain effects on rice yield increase and gains effects on controlling the broad-leaf weeds, grassy weeds and cyperaceae weeds in the rice fields.

The invention discloses a fusion protein of tick anticoagulant peptide and staphylococcus aureus superantigen-like-protein-5, and an amino acid sequence thereof comprises a first area which has at least 85 percent of similarity to a sequence shown in SEQ ID No.1 and a second area which has at least 85 percent of similarity to a sequence shown in SEQ ID No.2; the invention also discloses a gene for coding the fusion protein, a recombinant expression vector with the gene, a transformant with the recombinant expression vector and a method for preparing the fusion protein; the fusion protein has dual effects of anti-inflammatory and anticoagulation when PSGL-1 is used as a target, and does not affect the normal physiological functions of leucocytes while anti-inflammatory function is performed and does not cause bleeding complications due to excessive or wide anticoagulation while anticoagulation is carried out. The fusion protein can be used for preparing antiatherosclerotic drugs and anticoagulants and is hopeful in greatly improving the prevention and treatment levels of atherosclerosis and thromboembolic complications thereof, and is capable of reducing troubles and pains of sufferers, caused by respective drug administration of antiatherosclerotic drugs and anticoagulants.

The invention discloses a strength-stress ratio rock burst criterion method considering tunnel surrounding rock stress distribution, which comprises the following steps: step 1, proposing a concept ofstress set degree, and giving a quantitative representation method of a surrounding rock stress set degree value; step 2, on the basis of a large number of engineering rock burst instances, combiningthe stress set degree parameters with the strength-stress ratio and the rock burst grade in the aspects of describing stress field disturbance and rock burst strength to obtain actually measured dataof the stress set degree, the strength-stress ratio and the rock burst strength, and representing the actually measured data in a two-dimensional plane determined by the strength-stress ratio and thestress set degree; and step 3, carrying out multi-parameter expression experience fitting, carrying out comprehensive quantitative expression on a fitting result, and establishing a more accurate andreasonable rock burst strength stress ratio criterion. The rock burst strength prediction method provided by the invention is simple and easy to implement, is convenient for practical engineering application, and has higher prediction precision, and the empirical relational expression can be used for design and construction guidance.

The invention discloses a method for predicting the symptom appearance rate of severity of the sweet potato virus disease in the nursery stage. The method comprises the following steps: randomly extracting a sweet potato seed sample before breeding sweet potatoes; extracting total DNA and total RNA of the sweet potato seed sample, and detecting the virus situation carried by the sweet potato seedsrespectively by adopting PCR and RT-PCR methods; and predicting the symptom appearance rate and severity of the sweet potato virus disease in the nursery stage according to the type of the virus carried by the sweet potato seeds and the virus carrying rate of the sweet potato seeds. The prediction method is obtained through massive field tests, and is reliable since the actual result is close tothe predicted value through sweet potato breeding verification, is applicable to existing sweet potato varieties on the market, especially commercial sweet potatoes 19, can be used for early accurately predicting the risk of nursery stage diseases in the storage stage of sweet potato seeds, and provides early warning to the occurrence risk of sweet potato virus disease. The method can be used foreffectively reducing the business risk of sweet potato seeds and seedling enterprises and economic loss of sweet potato farmers, and has an important meaning for increasing the pre-warning and prevention and control level of the sweet potato virus disease in China.

The invention discloses a preparation method of an immortalized human intervertebral disc nucleus pulposus cell system. The preparation method is as follows: extrinsic human telomerase reverse transcriptase is transfected into the human nucleus pulposus cell to activate telomerase and construct immortalized human nucleus pulposus cell line through induction immortalized human nucleus pulposus cell line, normal cells not transformed cells are used, wherein the cells have normal growth rate and karyotype, have contact inhibition, anchorage dependence and other safety properties and do not have carcinogenicity and soft agar cloning capability; and as same as the germline stem cells, the cells have real immortalization, thus the standard cell line can be provided for the further research of the pathogenic mechanism of the degenerative disc disease and a new idea is provided to increase the entire control level of the degenerative disc disease.

The invention provides a microscopic image rapid processing system. The system comprises a terminal and a server side, the terminal comprises a microscopic image scanning module, a terminal self-evaluation module, a microscopic image sorting module and a microscopic image processing module. The terminal evaluates the computing power resource of the terminal, or cuts the scanned microscopic image and uploads the cut microscopic image to the server, or carries out microscopic image splicing and microscopic image identification on the terminal, so that the computing power resource of the terminalis utilized to the maximum extent, and the microscopic image processing rate is greatly improved.

The invention belongs to the technical field of insecticides, particularly relates to a plant material insecticide prepared by ginkgo biloba extract residues and a preparation method thereof. Residues obtained after ginkgo biloba extraction have numerous important phenolic acid compounds with insecticidal components, the residues obtained after ginkgo biloba extraction for health care medicine preparation are used for preparing the insecticide, and therefore a good way for changing waste materials into things of value is provided. Ginkgo biloba flavone extract residues are utilized for preparing the biological insecticide to prevent and cure crop diseases and pests, and the problems of chemical pesticide toxic component residues in food and resistance and resurence in chemical preventing and curing can be better solved. Meanwhile, the crop disease and pest preventing and curing level can also be improved further. The insecticide with the ginkgo biloba extract residues is prepared by the ginkgo flavone lactone extract residues, a solvent, a pH conditioning agent, an emulsifying agent, an assistant, a stabilizer, an antifreezing agent and deionized water.

The invention discloses a method for preparing infectious bronchitis positive serum by using SPF chicken. The method is characterized by comprising immune animal selection, immune inoculation mode, immune time interval, immune frequency, chicken blood acquisition, serum preparation and examination. According to the invention, positive serum is prepared by infectious bronchitis antigen and live vaccine immunity, the positive serum is a basic guarantee for accurately diagnosing the infectious bronchitis, and accurately evaluating the immunization monitoring and vaccine immunization effect; can increase the prevention and control level of the infectious bronchitis; provides powerful technical support for monitoring the infectious bronchitis and evaluating the quality of the relative biological product used for animals, and has good application prospect.

The invention provides a geophysical method and device for landslide hydrologic condition monitoring, and belongs to the field of geological disaster monitoring. The device comprises a landslide surface potential monitoring device, a landslide drilling potential monitoring device, a control and measurement terminal, a geoelectric field power supply control power source, a long electrode and a short electrode thereof. The long electrode sequentially penetrates a sliding body, a sliding zone and a sliding bed, and meanwhile the short electrode is arranged close to the earth surface long electrode. A geoelectric field power supply device is used to apply artificial electric fields for the long electrode and the short electrode. If hydrogeological condition changes of a weak zone, a weak intercalated layer, a weak argillation zone, and a shear movement structural surface of a landslide cause abnormality of an electric field, potential changes would be observed through the surface potentialmonitoring device and the landslide drilling potential monitoring device, so as to realize predict landslide deformation and a critical sliding state, and perform landslide hazard warning. Thus, occurrence of landslide geological disasters is effectively prevented. The method and the device has characteristics of low cost, simple implementation and continuous monitoring of 7x24 hours.

The invention provides a surface subsidence monitoring system based on a high-resolution remote sensing satellite. The surface subsidence monitoring system comprises a reference point outside a subsidence area and a measuring device, and the measuring device comprises a support, a motor, a fastening knob, a range finder, a pin, a calibration ball and a communication box. The motor is installed onthe support through a fastening knob, the range finder is installed on the output shaft of the motor through the pin, the calibration ball is hinged to the bottom face of the tail end of the range finder, and a laser emitted by the calibration ball is always horizontally forward. A calibration laser receiver is arranged on the bottom surface of the front end of the range finder; a distance measuring laser emitter and a distance measuring laser receiver are arranged on the head end surface of the distance measuring instrument; the communication box is arranged on the top surface of the horizontal plate at the bottom of the bracket; a processor and a communication element are arranged in the communication box; the measuring device is installed at a serious point position of a settlement areamonitored by a high-resolution remote sensing satellite, the vertical distance between a reference point and a monitoring point outside the settlement area is measured by using a trigonometric function, and when the settlement distance and the settlement speed exceed respective threshold values, a warning signal is sent to a system background.

The invention relates to an avian influenza virus H9 subtype hemagglutination inhibition antigen standard substance and a preparation method thereof. The preparation method comprises the following steps: preparing a virus liquid of avian influenza virus H9 CKSH01 strain virus, and inspecting; inactivating the virus liquid, concentrating, and inspecting the semi-finished product; and freeze-drying, inspecting the finished product, inspecting the uniformity and stability, calibrating the standard substance, fixing the value and the like to obtain the standard substance. The standard substance is the basic guarantee for accurate diagnosis and immunity monitoring of avian influenza virus H9 and the proper evaluation on the vaccine immunity effect, and enhances the level for preventing and controlling avian influenza.

The invention discloses a method of coordinatively controlling Chilo suppressalis by combined use of bees and fungi. Systematic monitoring is provided for adults of Chilo suppressalis to lay eggs; bees are released for the first time 3 days after the early stage of egg occurrence; bees are released for the second time 5-7 days later; Beauveria are sprayed 2-3 days after the second release of the bees and are sprayed again 5-7 days later; the effect to control Chilo suppressalis reaches 90% and above. By releasing Trichogramma to host on Chilo suppressalis and spraying Beauveria to kill larvaeof Chilo suppressalis and using bee-fungus coordinative damage control, the biological control effect for Chilo suppressalis is improved, and technical guarantee is provided for pollution-free rice production.

The invention discloses a Pediococcus pentosaceus strain which is collected by China General Microbiological Culture Collection Center, and the collection number is CGMCC No.10573. The invention also discloses application of the Pediococcus pentosaceus strain in resisting Listeria monocytogenes. Separation purification and screening of lactobacillus, and primary screening and rescreening of the Listeria monocytogenes strain are performed to obtain the safe and effective Listeria monocytogenes antagonistic strain. When being used in the stage with high tendency to contamination by the Listeria monocytogenes, the Listeria monocytogenes antagonistic strain can enhance the Listeria monocytogenes control level in food, provides a reliable and effective detection means for Listeria monocytogenes examination and quarantine inspection in import and export food, lowers the risk in imports and exports, and promotes the import and export trade and economic development.

The invention relates to a detection kit for identifying a porcine reproductive and respiratory syndrome virus and an application thereof. The kit comprises a pair of PRRSV specific detection primers and a detection system. The detection verifies that the kit is capable of rapidly, conveniently, effectively, high-specifically and high-sensitively detecting the PRRSV; the PRRSV TJM-F92 strain, the American classic type strain and the variant strain (highly pathogenic porcine reproductive and respiratory syndrome virus) can be distinguished through one pair of primers; and the reagent is low in cost, convenient to operate and is suitable for identifying the PRRSV by the import and export quarantine and professional laboratory.

The invention relates to a synergetic herbicidal composition which comprises herbicidal active components of pyribenzoxim and 2-methyl-4-chloro-phenoxyacetic acid or a derivative thereof, wherein a weight ratio of pyribenzoxim to 2-methyl-4-chloro-phenoxyacetic acid or the derivative thereof is 100 : 1-1 : 100. The synergetic herbicidal composition is suitable for selective weed control weeds in beneficial crops such as rice. The synergetic herbicidal composition also can comprise a safety agent. Through binary compound of pyribenzoxim and 2-methyl-4-chloro-phenoxyacetic acid or the derivative thereof, the obtained novel composition can effectively overcome the defects that pyribenzoxim is used individually, enlarge herbicidal spectrum for weeds and delay the generation of resistance. The weeds in rice fields can be largely eradicated by applying the synergetic herbicidal composition at one time. The synergetic herbicidal composition is labor-saving, time-saving and effort-saving and has a certain effect for increasing both production and income for the rice. An enhanced effect in prevention of broad leaf weeds, grassy weeds and cyperaceae weeds in the rice fields is obtained.

The invention provides an image intelligent identification method based on an unmanned aerial vehicle. The identification method comprises the following steps of image intelligent analysis, wire broken strand intelligent analysis, insulator defect intelligent analysis, tree line distance intelligent analysis, channel building elevation analysis, wire sag calculation and dangerous point display. According to the unmanned aerial vehicle-based image intelligent identification method, images shot by a manual or airborne common camera are used for carrying out line tree barrier development for thefirst time in a power system; and channel hidden dangers such as wire breakage, abnormal sag and insulator damage can be intelligently checked, so that the utilization rate of the unmanned aerial vehicle can be improved, the prevention and control level of line hidden dangers can be improved, and the method has important significance for safe operation of a power transmission network.

The invention discloses a trunk coating preparation for preventing and treating fruit tree seedling-borne diseases and insect pests, a preparation method and application of the trunk coating preparation. The trunk coating preparation comprises a trunk coating matrix, a bactericidal active component and an insecticidal active component, wherein the trunk coating matrix is a white interior wall water-based coating material for buildings, the bactericidal active component is one of a benzimidazole bactericide compound, a methoxy acrylate bactericide compound and a triazole bactericide compound, and the insecticidal active component is one of neonicotinoid, organophosphorus, pyrethroid and tetronic acid insecticide compounds. According to the invention, the trunk coating preparation can be used for directly coating or spraying branches and trunks after fruit tree seedlings come out of a nursery or before planting, can form a white physical protective film layer containing bactericidal andinsecticidal active ingredients on branches and trunks, can effectively remove various diseases and pests on the latent zone of the fruit tree nursery stock and protect newly planted nursery stock from being damaged by the diseases and pests in the rejuvenation period and the young tree growth period, provides a set of new medicament and new treatment technology for fruit tree nursery stock pre-planting treatment, and can effectively improve the prevention and control level of fruit tree nursery stock branch diseases and pests.

The invention provides a water quality monitoring system based on a high-resolution remote sensing satellite. The water quality monitoring system comprises a floating plate, a support, solar panels, awind wheel, vertical pipes, motors, clamping bolts, a transmission shaft, a transmission gear, a bearing, a cleaning brush, a light emitter, a light receiver, a circuit box and a sealing cover. The floating plate floats on the water surface, a support vertically penetrates through the floating plate, the bottom of the support is divided into two ends, one end is provided with the light emitter, and the other end is provided with the light receiver. The circuit box is arranged at the top of the support; the plurality of solar panels are arranged on the outer wall of the support; the two vertical pipes vertically penetrate through the floating plate, the transmission shaft is installed in the vertical pipes through bearings, and the wind wheel is installed at the top of the transmission shaft. The two motors are screwed on the top surface of the floating plate, the clamping bolts are sleeved on output shafts of the motors, and the clamping bolts and the vertical pipes form a lead screwnut structure; the transmission gear is arranged at the bottom ends of the vertical pipes, and the bottom end of the transmission shaft is processed into a horizontal gear meshed with the transmissiongear; and the inner end of the transmission gear is in pin joint with the cleaning brush for cleaning the light emitter and the light receiver.