114results about How to "Improve disaster resilience" patented technology

The invention relates to an assessment method for rainstorm disaster risks of sectional power transmission line pole-tower foundation slopes, and the method comprises the following steps of acquiring control factors of the rainstorm disaster risks of the pole-tower foundation slopes, and quantizing and normalizing the control factors; establishing a mapping relation between the control factors and a rainstorm landslide accident rate by utilizing an improved BP (Back Propagation) network and adopting disaster statistics and artificial rainfall slope erosion test results as training samples, and acquiring a risk assessment mathematic model; and acquiring the rainstorm landslide risk grade of each slope relative to a whole line by adopting the calculated average rainstorm landslide accident rate value of the whole-line foundation slope as a benchmark value, acquiring a weight vector of each section in terms of percentage for the slope at each risk grade by utilizing an improved layering analysis calculation program, with consideration of different influences of the slope at each risk grade on the rainstorm disaster risks, calculating the weight vector of the slope at each risk grade for the rainstorm disaster by continuously adopting the improved layering analysis calculation program, and finally synthesizing the weight vectors of all layers from top to bottom by utilizing a computer to obtain the risk assessment result of each section.

The invention discloses a rainstorm disaster risk evaluation method for a foundation slope of a transmission line tower. The method comprises the following steps of: obtaining disaster causing factors controlling the rainstorm risk of the foundation slope of the transmission line tower according to extensive disaster statistics and artificial rain slope corrosion test statistics; and performing quantification and normalization processing on the disaster causing factors and slope stability, and calculating a weight vector of influence of each disaster causing factor on the disaster causing of rainstorm by adopting an improved hierarchical analysis calculation program; establishing a mapping relationship between the disaster causing factors and a slope stability safety coefficient by adopting an artificial intelligence method and an improved back propagation (BP) network to obtain a mathematical model for evaluating the rainstorm landslide risk of the foundation slope of the transmission power tower; quantifying vulnerability factors, obtaining a weight vector of influence of each vulnerability factor on the disaster causing risk of the rainstorm by adopting an expert analysis method, and establishing a rainstorm risk evaluation mathematical model for the foundation slope of the transmission line tower according to a relationship that the risk is equal to a product of danger and vulnerability; and accurately evaluating the rainstorm risk of the foundation slope of a specified transmission line tower.

The invention discloses a compound fertilizer, in particular to a plant compound fertilizer. The plant compound fertilizer is formed by compounding chelated secondary and trace elements, a potassium fertilizer, urea, ammonium chloride, monoammonium phosphate and attapulgite powder; and humic acid also can be added as required. The plant compound fertilizer of the invention has the characteristics of reasonable compatibility, simple process, high fertilizer efficiency, high particle strength and balance nutrition, can improve the content and the performance of trace elements in soil, solves the problem of plant diseases caused by lack of the trace elements in a crop growing process, promotes plant growth, increases disease resistance and disaster resistance, improves yield and recovers natural flavor, so the plant compound fertilizer is a novel and specific compound fertilizer.

The absolute position marking method for rail line is to set two-valued mark and to code every or every several pieces of sleeper in track line, every or every several electrodes in magnetic suspension line or every sites in production line in special mode. One mark reader is used in reading the two-valued marks successively along the line and the marks read in different positions constitute different binary numbers. The binary numbers are used as the addresses, and when some coordinate information is checked in the database established in advance, the absolute position and relevant information may be determined in the rail line or production line.

The invention discloses a method for determining a power transmission line reinforcing scheme by comprehensive fault rate and economic efficiency evaluation. The method includes adopting the general extreme value theory to model historical ice coating data of an area to obtain probability of ice disasters of the area with specific ice coating thickness; establishing a circuit fault rate function based on physical stress analysis of power transmission lines according to the metal deformation theory, and establishing a fuzzy fault rate model of the lines by virtue of fuzzy offline rate; comprehensively considering the probability of the ice disasters in the area with the specific ice coating thickness and the fuzzy fault rate of the lines in the area to obtain comprehensive fault rate of the lines; calculating differential 'detraction' benefits by means of the comprehensive fault rate, establishing an economic efficiency evaluation index system of differential planning on this basis, and determining the sectional reinforcing scheme of the lines. The method for determining the power transmission line reinforcing scheme by the comprehensive fault rate plays an important role in guiding workout of the line-difference sectional reinforcing scheme in the differential planning and has great significance in improving anti-disaster ability of the power grid.

The invention discloses a multi-channel emergency broadcast intelligent terminal system and a control method based on priority. The multi-channel emergency broadcast intelligent terminal system comprises a multi-channel receiving module, a main control module, a power supply module and a power amplifier module, wherein the multi-channel receiving module mainly consists of a direct broadcast star receiving component, a wired digital television receiving component, a ground digital television receiving component, a medium wave receiving component and a frequency modulation receiving component; the multi-channel receiving module is used for receiving and processing input signals of multiple channels and used for demodulating the received signals and subsequently transmitting to the main control module for signal and data processing. Compared with a conventional emergency broadcast intelligent terminal, the multi-channel emergency broadcast intelligent terminal system adopts main-standby double-power supply design and multi-channel design based on priority, so that the power calamity resistance and the channel calamity resistance of the emergency broadcast intelligent terminal are improved. Due to adoption of double-feedback network design, not only is the network calamity resistance of the emergency broadcast intelligent terminal improved, but also the management control and feedback functions of the emergency broadcast intelligent terminal are greatly improved.

The invention discloses a power system risk assessment method taking into consideration rainfall-induced landslide geological disasters. The method comprises the following steps: estimating the cumulative rainfall capacity of a rainfall-induced landslide disaster and the deflection of transmission tower deformation caused by landslide mass according to the data information of rainfall and the geological data information around transmission towers; getting the joint probability distribution of transmission tower damage by means of curve fitting; forming a 'weather-power network-grid' integrated layer based on a gridding technology, calculating the number of effective transmission towers corresponding to transmission lines covered by rainfall, and calculating the failure probability of the transmission lines; sampling the transmission lines through a non-sequential Monte Carlo method to get the load loss state of the system; calculating the amount of system load shed under the load loss state of the system based on an optimal load shedding model of AC power flow; and finally, doing statistics of the risk indicators of the system.

The invention discloses a network system based on double call centers. A service network in the system is connected with an access network through a bearer network. The service network comprises two routers and provides network connection of double output port redundancy for the access of the bearer network. The bearer network provides network bearer channels for the service network and the access network and comprises a platform A network and a platform B network which are arranged at different geographic locations, wherein each of the platform A network and the platform B network adopts two core switches to provide physical equipment redundancy. A physical link is arranged between all equipment of the platform A network, the platform B network and the service network and is used as a third-layer link to form a ring network. The access network comprises a position center switch, wherein the position center switch realizes the network access of position personal computers (PC) and internet protocol (IP) telephones. A virtual network isolation technique is used to guarantee the security of service data streams in a call platform.

The invention relates to the field of animal husbandry culture, and especially relates to a TMR daily ration for improving the productivity of yaks in cold seasons, and a feeding method thereof. The TMR daily ration comprises, by weight, 100-130 parts of green hay, 80-110 parts of a base concentrate, 2-4 parts of a premix and 60-90 parts of water. The TMR daily ration can reduce the grazing pressure of grasslands in the cold seasons, reduces the energy consumption of yaks in the grazing activity process in the cold seasons, alleviates the grazing weight loss, and improves the calamity resistance; and the TMR daily ration has the advantages of balanced nutrition, good palatability, increase of the food intake and the forage grass resource utilization rate, maintenance of the stable state of rumen microbes, reduction of the disease incidence, promotion of growth of the yaks, substantial improvement of the total weight gain, the mean daily weight gain and the culture benefits of the yaks in the cold seasons, and yield and benefit increase. The TMR daily ration is in favor of realizing precise and large-scale yak culture.

The invention provides a telephone bank calling system and total control equipment, wherein, a plurality of calling system centres are arranged in the telephone bank calling system, the calling system centres are all connected with a plurality of telephone bank access centres, and a telephone bank calling request accessed by the plurality of telephone bank access centres is processed according toa preset load sharing strategy; when one of the calling system centres malfunctions, the other calling system centres are used for realizing redundant protection for the malfunctioned calling system centre, thus improving the anti-disaster capability and reliability of the telephone bank calling system; meanwhile, by arranging the total control equipment in the telephone bank calling system, centralized monitoring, management and maintenance of each position centre and each calling system centre in the system are realized.

The invention relates to a method of controlling hot pepper epidemic disease and corn big spot by cultivating hot pepper and corn in heterogeneity, belonging to plant protection field. The technique project of this invention is: keeping the mode of current hot pepper sprout cultivation and hot pepper and corn field cultivation, the plant distance, line space and density between the hot pepper and corn is the same with normal cultivating method. Opening furrow with width being 2-5m and depth 15-30m in the same field, planting hot pepper with 5-10 lines on the furrow surface, planting corn with 1-2 lines on the two sides of the furrow, the line space between the hot pepper and corn is 10-30cm, the corn seeding time can be same with the hot pepper transplanting time or seeding corn 1-15 days earlier than the hot pepper transplanting time, the hot pepper and corn can be planted relatively or in displacement. The invention can control the hot pepper epidemic disease and corn big spot with a good effect, can reduce the using amount of chemical pesticide greatly, increase product yield per unit area, and possesses outstanding economical, social and ecological benefit and wide application prospect.

A seed between two filmes is prepared through uniformly arranging the coated seeds on a lower paper film and sticking an upper paper film on said coated seeds by use of the adhesive containing agricultural chemical, so arranging the coated seeds between two paper film for omitting ground film.

The invention discloses a method for arranging concentrated draining lanes of a working face floor. The method comprises the following steps that firstly, according to the coal seam structural situation, the concentrated draining lanes of a working face are arranged in floor rock along the lowest part of coal seam, double lane arrangement is adopted, one lane is connected with a return airway of amining area, and the other lane is connected with an entrance of a water sump; and water draining drill holes are formed in the intersections of roadways on both sides of the working face and the concentrated draining lanes of the working face floor, gushing water in the working face or a goaf is gathered to the lowest part of the working face by gravity, the gushing water is drained along the water draining drill holes to the draining lanes, and finally the gushing water automatically flows to the water sump along the concentrated draining lanes of the working face floor. The method fully utilizes structural features and simplifies the layout of the draining lanes, a set of draining lanes is centrally arranged in the coal seam floor to serve the entire mining area, the system is simple and reliable, the production environment of the coal mining working face is greatly improved, the disaster resistance of a mine is improved, the amount of dredging in a ditch and the water sump is greatly reduced, favorable conditions for high-yield and stable production of the mine are created, and a good application prospect is achieved.

The invention provides an integrated design technology for sowing, culturing and transplanting rice, belonging to the technical technology of agriculture. The technology consists of a sower, a seedling root type seedling cultivation box, a planting device, five-element rich soil and a vertical type seedling putting bracket. Therefore, the rice sowing, the rice culturing and the rice transplanting form an integrated scientific production service mode. The technology adopts the sower to sow in a branching way to reach even sowing and solve the difficulty of uneven sowing in the prior art; the method for culturing the seedlings by means of branching the seedling root leads the sower to have no seedlings division function, better transplant the seedlings, and solve the difficult of too muck idle roots when grafting the seedlings by a grafting device; culturing the seedling roots with the five-element rich soil, so as to lead roots of the seedlings to be heavy and the grafted seedlings not to be easily float, and solve the difficulty of too much float roots when grafting by the grafting device; and culturing the seedlings by filling seedling roots with the five-element rich soil, and when grafting the seedlings, grafting the five-element rich soil into farmlands, so as to realize transplant with soil, recycle organic fertilizer, improve soil and increase grain yield. The technology can improve productivity effect, reduce production coast, and mechanize rice owing, culturing and grafting.

The invention discloses a method and system for improving the toughness of a power distribution network, and the method comprises the steps of carrying out the importance evaluation of a power distribution network assembly in typhoon weather, building an element fault rate model under the action of storm wind, carrying out the sampling of the state of a wind power generation system through a non-sequential Monte Carlo simulation method, and establishing an optimal recovery strategy model and sorting the importance degrees of the components; when a disaster occurs, a fault condition is obtained, recovering elements with high importance preferentially according to a determined sequence, and improving the robustness of the power distribution network; forming a plurality of micro-grids through pre-deployment of mobile emergency generator cars before disasters and real-time scheduling after disasters, building a target function by taking minimization of power failure time of important loads in different scenes as a target, forming an MILP problem through the target function and constraint conditions, obtaining the real-time distribution condition of the mobile emergency generator cars after disasters by solving the corresponding problem, and completing power distribution network recovery and promotion. According to the invention, the robustness of the power distribution network is improved; the power distribution network fault recovery time is shortened, and the power distribution network recovery rapidness is realized.

The invention discloses a modularized sea wave direct drive generator, comprising a floater and a sea wave direct drive generator which are arranged on a bracket from bottom to top, wherein the input driving end of the sea wave direct drive generator is connected with the floater; and the output end of the sea wave direct drive generator is connected with a series-parallel connection module. The sea wave direct drive generator comprises a sleeve, a stator coil, a rotor magnet and a driving rod, wherein the stator coil is arranged in the sleeve; the rotor magnet is arranged at the inner side of the stator coil; one end of the driving rod is inserted in the inner side of the stator coil and is connected with the rotor magnet through a flexible connecting structure, and the other end of the driving rod is arranged at the outer side below the sleeve and is connected with the floater; a sealing cover is arranged at the top end of the sleeve; and a wire outlet is arranged on the sealing cover. The main parts of the modularized sea wave direct drive generator are located above the sea surface and are packaged in the sleeve, and therefore, the damage probability of the main parts is reduced. The modularized sea wave direct drive generator is low in use cost in the life cycle and is suitable for large-scale production and use, and the development and utilization of the sea wave energy are strengthened.

The present invention is diversity konjaku and corn planting method to control diseases and pests, and belongs to the field of plant protection technology. The scheme of the present invention keeps available konjaku and corn planting mode, planting density, etc. and features that in the same field, 1-10 rows of corn and 1-5 rows of konjaku are planted alternately, and the row spacing between konjaku and corn is 31-70 cm. The method of the present invention can reduce soft rot of konjaku, reduce pesticide consumption, and raise the yield and quality of konjaku.

The invention relates to a quantitative analysis method for toughness of an intelligent power distribution network containing various types of loads in sandstorm weather. The method comprises the following steps of simulating a sandstorm wind field and obtaining the wind speed of each point, calculating the load effect of a power distribution network according to the wind speed and the wind direction, respectively obtaining the fault rate of a power distribution network line and the fault rate of a tower, calculating the fault rate of a power distribution network overhead line, and obtaining afault scene of the power distribution network at a certain moment in the extreme weather; giving different weights to various levels of loads according to the importance of the loads; judging whethera system line is overloaded or not after a fault occurs, and implementing a load shedding measure on a current load when the line is overloaded; calculating the load reduction amount of the current scene according to the weight, sequentially completing calculation of the load loss of each time period, then calculating the average comprehensive load reduction of the load, and calculating a toughness index of the power distribution network. According to the method, a problem of high electric energy supply pressure in the windy and dusty weather is better solved, and disaster resistance of the power distribution network is effectively improved.

The invention discloses a disaster-resistant backbone network frame optimization method considering multi-stage performance. According to the method, node tidal flux, node cohesion degree change rate,node power concentration degree and node electrical betweenness are defined for node importance; connection importance, line vulnerability and line power flow betweenness are defined according to theline importance indexes; a kernel principal component method is adopted, the importance indexes of nodes and lines in the power system are integrated; therefore, the direct nonlinear correlation of multiple indexes is solved and the dimension of the data is reduced. Load power supply is guaranteed when disasters happen; when the net rack is damaged, stable operation of the system is maintained; the multi-stage disaster resistance requirement of high post-disaster recovery speed is met; the backbone network frame is subjected to multi-objective optimization by comprehensively considering a network frame disaster resistance optimization objective based on load loss, a network frame survivability optimization objective based on network natural connectivity and a system restorability optimization objective based on a network frame coverage rate, so that the requirements of each stage of disaster resistance are met, and a calculation result is closer to engineering practice.

The invention provides a data backup method and device. The method comprises the steps of receiving a backup instruction that the database needs data backup during service provision conducted by the database; calling a clone instruction which the database itself has and cloning the data of the database; backuping the data obtained through clone to a target database. Seamless connection of services can be achieved through the data backup method and device, the anti-disaster ability and the robustness of services are improved greatly, and the experience of users on the services is improved.

The invention relates to a method of controlling peanut brown spot and corn big spot by cultivating peanut and corn in heterogeneity, belonging to plant protection field. The technique project of this invention is: on the base of keeping the cultivating mode of peanut and corn, planting the two crops in displacement, the plant distance, line space and density between peanut and peanut, corn and corn is the same with normal cultivating method, planting peanut with different line ratio for interval cultivating, planting corn with 2-4 lines, peanut 2-10 lines, the line space between peanut and corn is 20-40cm. The invention can control the peanut brown spot and corn big spot with a good effect, can reduce the using amount of chemical pesticide greatly, increase product yield per unit area, and possesses outstanding economical, social and ecological benefit and wide application prospect.

The invention belongs to the field of agricultural plant planting and particularly relates to a greenhouse planting method for Guimi 12# muskmelons. The method comprises the steps of (1) land selection and preparation, (2) seed soaking for germination hastening, (3) sowing and seedling raising, (4) setting, (5) post-setting fertilizer and water management, (6) pruning management, (7) melon suspending and (8) disease and insect pest control. According to the greenhouse planting method for the Guimi 12# muskmelons, disclosed by the invention, a greenhouse planting mode is adopted, so that bettersurvival conditions are created for plants; in compliance with growth cycle and habits of the Guimi 12# muskmelons, in a whole process, the cultivation is regular, the fertilizer application is reasonable, the disease and insect pest control is proper, the quality improving effect is good, and the method is simple and is low in cost; and through planting the Guimi 12# muskmelons by using the method, the incidence rate of plant diseases and insect pests is effectively lowered, the method is safe and environmentally friendly, soil deterioration and hardening phenomena will not be caused, the yield of the Guimi 12# muskmelons is increased, muskmelons obtained through planting are full in fruit, much in pulp, thin in peel, brittle in taste, sufficient in saccharide and good in quality, and thus, true environment-friendly ecological planting is achieved.