52results about How to "Reduce investigation costs" patented technology

A method of conducting multiple source, multiple signal seismic surveys in a marine environment are provided.

The invention discloses a crop disaster situation loss assessment method based on remote-sensing sampling, which comprises the steps of: (1) acquiring remote-sensing data and pre-processing the remote-sensing data; (2) designing a remote-sensing sampling scheme; (3) investigating disaster situation of a sampled quadrat; (4) and estimating total area of affected crops and affected crop area of each grade, and carrying out precision analysis and assessment. The crop disaster situation loss assessment method based on remote-sensing sampling is high in efficiency of disaster situation loss assessment at low investigation cost, and can provide a basis for the comparison of disaster situation degrees between different disaster types and different regions.

The present invention provides a measuring system, which comprises a surveying device installed at a known point, at least one photodetection device to be installed at a measuring point, and a main arithmetic device; wherein the surveying device projects by rotary irradiation a reference plane forming laser beam including two or more fan-shaped laser beams with at least one of the fan-shaped laser beams tilted and a distance measuring light performs distance measurement by receiving a reflected distance measuring light, and performs communication of the distance measurement data between the photodetection device and the main arithmetic device; wherein the photodetection device calculates an elevation angle with respect to the surveying device based on a photodetection signal issued by receiving the reference plane forming laser beam, calculates an elevation position based on the elevation angle and the distance to the surveying device, and performs communication of distance measurement data and elevation position data at least with the main arithmetic device; and wherein the main arithmetic device communicates at least with the photodetection device among the surveying device and the photodetection device, and collects and records surveying data such as distance measurement data, elevation position data, etc. for each measuring point.

The invention discloses a multi-channel investigation method and is applied to a multi-channel investigation system. The system comprises a background server and at least two investigation terminals connected with the background server. The multi-channel investigation method comprises the following steps: the background server configuring an investigation theme and problem content to generate an investigation questionnaire; the background server, according to a preset rule, pushing the investigation questionnaire to the corresponding investigation terminal; the investigation terminals feeding an investigation result to the background server; the background server acquiring and identifying the investigation result; and the background server generating a statistical list. According to the invention, integration of multi-channel investigation modes is realized, the background server pushes the investigation questionnaire to the corresponding investigation terminals according to the preset rule, and a client can select a proper investigation terminal according to his own condition, such that the investigation efficiency is improved, the investigation cost is decreased, and client experience is improved. The invention further discloses a multi-channel investigation system.

The invention discloses a prediction method of ginkgo tree canopy biomass based on orthophoto images of unmanned aerial vehicles. the invention obtains the orthophoto image of the ginkgo tree by the unmanned aerial vehicle, Then the canopy area extraction, canopy width extraction, canopy height extraction, canopy area crown width tree height-DBH model, single tree canopy biomass empirical equationare performed, and single tree canopy biomass prediction is performed, the used tools include Pix4D, Arcgis; Constructed crown area & crown width & tree height- diameter at breast height (CA & CW & CHM-DBH) model has three variables, and the results of the model are more accurate. The method is convenient, efficient, low cost, high efficiency, data can be updated in real time; The invention has more accurate calculation results of the model; Features of low cost, high efficiency and real-time data updating.

The invention relates to a portable combined field surveying water well water sampler.The portable combined field surveying water well water sampler comprises a manual lifter installed on a support, the support installed at the lower portion of the manual lifter and a water taking cup connected with a flexible rule, wherein the manual lifter comprises a housing, a hand-cranking arm, the flexible rule and two gears.The two gears are installed inside the housing through gear shafts, the hand-cranking arm is connected with one gear shaft, the flexible rule is installed on the gears, and the housing is provided with a flexible rule inlet-outlet.The water taking cup comprises an upper lid, a cup body, a connecting ring, a plurality of steel wire columns, a funnel, a water drain valve switch and a lower lid, wherein the upper lid is connected with the flexible rule through the connecting ring, the funnel is arranged at the bottom of the cup body, the water drain valve switch is connected at a funnel opening, and the steel wire columns are arranged on an upper layer of the cup body.During field surveying, the portable combined field surveying water well water sampler can be rapidly assembled for work implementation, saves time and labors, is simple and convenient to operate, improves the field surveying efficiency and also reduces the surveying costs.The water sampler can be dismounted when being not used, can be put into a bag or a tool box and is convenient to carry.

The invention discloses a rapid diagnosis method for groundwater pollution, wherein the method comprises the following steps: collecting environmental hydrogeology condition information of shallow soil layers in a soft soil area, and dividing according to the stratum combination type; determining a belonging stratum combination type of a pollution site; determining internal and external river distribution conditions of the pollution site; according to the belonging stratum combination type of the pollution site and the internal and external river distribution conditions, preliminarily evaluating the migration diffusion direction and the pollution depth of a pollution source in the pollution site; according to the preliminary assessment conclusion, setting a plurality of in-situ test pointsin the corresponding area and depth in the pollution site, to rapid measure a space distribution condition of pollutants; and according to the on-site measured pollutant space distribution conditions, sampling and monitoring on site in a key pollution area. The method has the advantages: the establishment of the rapid diagnosis method provides a perfect theoretical basis, technical method and tool device for improving the efficiency and effect of groundwater pollution investigation and reducing the cost of investigation.

The invention provides a method for the spatial distribution of soil erosion investigation units, which comprises the following steps: based on a Gauss-Kruger projection zoning method, carrying out zoning on terrestrial longitudes and latitudes, dividing each three-degree zone into multiple 5 km*5 km grids as control areas, and dividing each control area into multiple 1 km*1 km grids as basic investigation units; selecting an investigation area, and generating a zoning grid layer located in the investigation area; according to a zoned longitude and latitude range, calculating the longitudes and latitudes of central points of all the control areas in the investigation area; and determining the number and positions of field investigation units according to the elevation and rainfall of the investigation area and the percentage of the area of a slope croplands in the total area of the investigation area, and according to the terrain of the investigation area, selecting small watersheds with a grid area of about 0.2-3 km<2> as field investigation units. According to the invention, due to the adoption of a stratified unequal-probability systematic sampling method, and through the field investigation units reasonably distributed in the investigation area, the investigation cost is reduced, and the accuracy of soil erosion investigation results is guaranteed.

The invention provides an ocean temperature conductivity profile survey probe. The ocean temperature conductivity profile survey probe comprises a protection cover, a fairing, a sensing measurement part, a diversion base and a sealed cylinder, wherein the sensing measurement part is arranged in the faring in a sleeved mode and composed of a tubular conductivity sensor and an arc-shaped temperature sensor, the protection cover is detachably connected with the fairing, and the middle of the protection cover is provided with a water inlet opening and a temperature sensor channel; the fairing and the protection cover form a shape similar to a bullet, and straight diversion trenches are symmetrically arranged on the side faces of the fairing; the diversion base is connected to the rear end of the fairing, and a Y-shaped T-joint diversion trench is arranged in the diversion base; the rear end of the diversion base is detachably connected with the sealed cylinder, and a via hole communicated with the sealed cylinder is formed in the diversion base. By the adoption of the ocean temperature conductivity profile survey probe, the problem that the structure and position of a sensor in the probe are not matched with the movement characteristics of the survey probe can be solved, and thermohaline measurement accuracy can be improved.

The invention discloses a workplace credit authentication method and device, equipment based on a block chain, and a storage medium, and the method comprises the steps: enabling a government node, anenterprise node, a college node, a talent institution node and a personal user node to be connected through a bottom platform of a blockchain, building an alliance chain, maintaining the data in the blockchain through a P2P protocol, and making agreements on the data; carrying out identity authentication on the personal user through the talent service APP, and enabling the personal user to obtainthe job place information published by the alliance chain member through the alliance chain; acquiring talent related information provided by governments, enterprises, colleges and talent institutions from government nodes, enterprise nodes, college nodes and talent institution nodes through an open service platform, uploading and storing the talent related information and acquiring change records of the talent related information in real time; and summarizing the information provided by the parties participating in the alliance chain to obtain a job place credit report of the talent. The jobplace credit of the talent can be inquired conveniently, and the cost of obtaining the talent job place credit by an enterprise is reduced.

The invention discloses an occupational stress evaluation system based on the internet of things. The occupational stress evaluation system comprises a client side and a server management platform. The client side and the server management platform exchange data through a communication network. The server management platform comprises a survey information loading module, a questionnaire assignment module, an occupational stress survey information database and a statistic module. Physical index information calculated through the statistic module comprises systolic pressure, diastolic pressure and high-density lipoprotein. By the adoption of the scheme, occupational stress information of users is acquired in real time, survey data are reliable, continuous and large-sample-size survey can be conducted, the occupational stress survey rate is increased, and survey cost is saved; survey results can be fed back in real time, and therefore the users can know their own situations and take corresponding measures to prevent occupation burnout and even diseases.

The invention discloses a method for evaluating the cold endurance of anthurium andraeanum at the flowering stage. In the method, in a natural low-temperature environment, natural environment low-temperature stress is conducted on the variety of anthurium andraeanum at the flowering stage, the cold damage indexes of leaf stalks, leaves, flower stalks and bracts are counted according to the morphologic expression of cold damage of the variety of anthurium andraeanum to be evaluated, on the basis, a main component integrate scoring formula is established, through the formula, a cold endurance integrated score is calculated, and the cold endurance of the variety is evaluated in combination with clustering analysis. Based on the winter natural low-temperature environment, evaluation is conducted, the winter natural low-temperature environment is close to the growth environment of anthurium andraeanum, and a complex evaluating reagent is not needed; in the method, the expression of the colddamage of the leaf stalks, the leaves, the flower stalks, the bracts and other organs is involved, investigation is comprehensive, operation is easy, costs are low, and evaluating results are stableand favorable to guidance for breeding and large-scale production of the low-temperature-resistant variety of anthurium andraeanum.

The invention discloses a system for data acquisition and query of pubic weather service investigation and assessment business and belongs to the technical field of on-line business data acquisition and query. The structure of the system comprises a PC host, a touch screen display, a network terminal device, a disc-carving machine, a printer and a sound box. The touch screen display and the network terminal device are both connected with the PC host in a bidirectional manner, the disc-carving machine, the printer and the sound box are all connected with the output end of the PC host, the PC host therein is provided with pubic weather service investigation and assessment business software, the system is switched in network, the network terminal device can be a modem, an Ethernet card or a frame relay terminal according to different network accesses. The invention is capable of organizing national large-scale on-line investigation and statistic work, providing lots of information and double-channel communication in short time and meeting the requirements of data acquisition and business query, and has simple structure and convenient operation.

Embodiments of the invention disclose a surface-layer structure investigation method and an apparatus thereof. The method comprises the following steps of laying a small refraction receiving arrangement of each shot point in a work area artillery observation system, wherein a midpoint position of the small refraction receiving arrangement of each shot point is a shot point position, and the small refraction receiving arrangement of each shot point and an artillery receiving arrangement of the shot point possess at least one superposed receiving channel; for each shot point in the artillery observation system, stimulating a seismic wave at the shot point, using the artillery receiving arrangement of the shot point to acquire an initial artillery data set, and using the small refraction receiving arrangement of each shot point to acquire a small-refraction initial data set; based on the initial artillery data set and the small-refraction initial data set, calculating initial data of the shot point; and based on the initial data of each shot point in the artillery observation system, calculating a surface-layer structure parameter of a work area.

The invention discloses a fire danger 3S&3D real-scene multi-element intelligent zoning method. The 3S&3D real-scene multi-element intelligent zoning method is applied to fire danger prevention. High-resolution remote sensing images and DTM data obtained by aerial survey of an unmanned aerial vehicle are used as main data sources, an LBS technology and a 3S technology are combined to establish a subcompartment division system, subcompartment boundary lines are nested on a 3D real-scene picture, and a database is established by applying multi-period second-class survey data; and a forest fire risk zoning and grading model is established by using an analytic hierarchy process, and a forest fire grade analysis platform is established, so that real-time dynamic zoning and prediction are realized, forest fire is prevented, and corresponding effective forest fire early warning management is realized.