444results about How to "Improve quickness" patented technology

The invention provides a hierarchical protection control system facing a regional power grid. The hierarchical protection control system comprises an in-situ level protection device, a substation area protection control system and a wide area protection control system, wherein the in-situ level protection device is configured according to a traditional protection scheme and adopts a direct sampling direct trip mode or a direct sampling network trip mode; the substation area protection control system is configured according to substations or voltage classes, utilizes an information sharing advantage to improve the backup protection performance, realizes protection functions of backup protection, redundancy protection, failure protection, and the like, and control functions of spare power automatic switching, low-frequency and low-voltage load shedding, and the like, and adopts a network sampling network trip mode; and the wide area protection control system is configured according to areas, realizes functions of wide area backup protection, self-adaptive adjustment of protection fixed values, low-frequency and low-voltage load shedding, power grid state evaluation, safety pre-warning, and the like, and realizes the interaction and the sharing of information of intelligent transformer substations in the areas through a wide area communication net. The hierarchical protection control system has the advantages that the reliability and the selectivity of relay protection can be improved on the basis that protection configuration of the existing power grid is not changed, so high requirements of power grid interconnection, new energy access, and the like on relay protection are satisfied.

A method for switching application program in a touch screen terminal, comprising: in a running interface of an application program, displaying an application program switching window in a screen sweet area upon a condition that a lateral slide signal is detected which is triggered at a screen vertical edge of the screen sweet area and laterally slid to an opposite side of the screen vertical edge; upon a condition that the application program switching window is being displayed, quitting the application program switching window from the screen sweet area in the event that a lateral slide signal is detected which is triggered at an arbitrary point in the touch screen and laterally slid to the screen vertical edge of the screen sweet area; and switching to a corresponding application program in the event that a click signal to an application program icon within the application program switching window is detected.

An exercise system for allowing a user to increase endurance, power, speed, quickness, and overall body conditioning. The exercise system includes a body member that is adapted to snuggly fit around a portion of a user. A plurality of pockets is coupled to the body member. Each of the pockets has a flap that is secured to a front panel of each the pockets such that the flap is for closing each of the respective pockets. A plurality of weight members each are selectively insertable into each of the pockets such that the weight members are adapted to change the weight resistance against the muscles of the user when the body member is fitted around a portion of a user.

Provided is a fault identification and protection method of an electrified railway AT traction network. When network voltage is lower than a specified value, labeling no-load trend symbol values of the near ends and the far ends of a touch net T and a negative feeder F in each self-coupling segment with 0, labeling influent trend symbol values with 1, labeling effluent trend symbol values with -1, if an absolute value of a sum of the trend symbol values of two ends of the touch net T in each self-coupling segment is larger than or equal to 1, or a failure absolute value of a sum of the trend symbol values of two ends of the negative feeder F is larger than or equal to 1, or a failure absolute value of a sum of the trend symbol values of two ends of a touch net T branch and a negative feeder F branch is larger than or equal to 1, respectively judging the touch net T to be in short circuit failure to the ground, or the negative feeder F to be in short circuit failure to the ground, or the touch net T to be in short circuit failure to the negative feeder F, and breaking off all breakers at two ends of each self-coupling segment. Short-circuit reactance calculated according to corresponding voltage and short-circuit current at two ends of each self-coupling segment and the corresponding length of the self-coupling segment determine failure positions.

The invention discloses an isaria fumosorosea oil suspending agent and a preparation method as well as application thereof. The oil suspending agent is prepared from the following components in mass percent: 1-40% of isaria fumosorosea spore suspension, 1-20% of vegetable oil, 3-8% of emulsifying agent, 0.1-5% of dispersing agent, 1-5% of stabilizing agent, 1-5% of anti-freezing agent and the balance of inert mineral oil or aromatic hydrocarbon solvent. The spore of the isaria fumosorosea oil suspending agent disclosed by the invention has long survival time, and the germination rate of the spore which is stored for 2 years is 80%; the isaria fumosorosea oil suspending agent has good ageing stability and is safe to crops and environments; and the isaria fumosorosea oil suspending agent is mainly used for pest control of crops including fruit trees, vegetables, wheat, rice, flowers and the like, and especially has an obvious effect on controlling myzus persicae, whiteflies, cabbage caterpillars, cabbage moths and the like.

The invention belongs to the technical field of landscaping maintenance and particularly relates to a full-effect tree nutrition infusion liquid. The nutrition infusion liquid comprises a macroelement and a microelement needed for the tree growth, a coenzyme, an active protective agent, a soluble sugar, a plant growth hormone, a preservative, aspirin and water. The full-effect nutrition infusion liquid contains a high active protective agent, an antivirus stress-resistant factor, and is chelated with the macroelement and the microelement for the crops, a growth promoter, an antifungal bacterium active enzyme and other nutrient contents and adjusting factors. The nutrition infusion liquid is able to reach the purposes of supplementing the nutrient for the plantlet at one time, balancing the water in the plantlet and realizing explosive and rapid rooting. Besides, the nutrition infusion liquid has unique antimicrobial bactericidal protective effect, dehydration-resistant protective effect, anti-freeze protective effect and high-permeability resistant protective effect for the trees, is convenient to prepare and simple in condition, and is safe and reliable.

The invention discloses a segmenting power supply distributed protection system for an electrified railway traction network. An overhead line in the electrified railway traction network is divided into a plurality of sections by corresponding to the intervals of a railway, sectionalizers and switching stations are additionally arranged on segmentation positions; each switching station comprises a breaker, a current transformer, a voltage transformer and a measurement and control unit; the breaker is always under a switching-on state; the secondary side of the voltage transformer and the secondary side of the current transformer of the switching station, the secondary side of the current transformer of the left adjacent switching station and the secondary side of the current transformer of the right adjacent switching station are connected with the input end of each measurement and control unit; the output end of each measurement and control unit is connected with the control end of the breaker of each switching station; each measurement and control unit is connected with a traction substation or control center via a transmission network. The invention forms a segmenting distributed protection method for the traction network. Compared with a centralized protection method, the segmenting distributed protection method has the characteristics that the instantaneity is not affected by the segmentation amount of the traction network. The relevant device disclosed by the invention has the advantages of small investment, convenience in implementation and convenience in new line adoption and old line modification.

The invention relates to a solid preparation of a novel sterilant herbicide composition employing saflufenacil and glyphosate and containing a herbicide auxiliary agent. The solid preparation comprises the two effective compositions saflufenacil and glyphosate, the auxiliary agent and a carrier. The two effective compositions saflufenacil and glyphosate account for 10%-70% by weight of the composition, and the weight ratio of saflufenacil to glyphosate is 1:5-1:40. The solid preparation of the herbicide composition containing saflufenacil and glyphosate employs a particulate agent, a wettable powder and a water-dispersable granule as a product form. The herbicide auxiliary agent is a combination of at least two or more of a plant-resource spray auxiliary agent, a plant-source SD auxiliary agent, an alkyl glycoside surfactant, a trisiloxane surfactant, a tallow amine surfactant, betain, amino oligosaccharin and a penetrating agent JFC. The herbicide composition containing the herbicide auxiliary agent has excellent control efficacy on common gramineae and broad leaf weeds, and especially on weeds generating drug resistance on herbicides such as glyphosate, sulfonylureas, triazines and the like.

The invention relates to a method for recognizing circuit switching on to a failure through a specific short window integral value of directional traveling waves, and belongs to the technical field of electrical power system relay protection. When the single-phase earth failure occurs on an electric transmission line, single-phase reclosing is adopted, the switching-on line mode current traveling waves obtained by a measuring end and switching-on line mode voltage traveling waves are used for forming forward direction current traveling waves and reverse current traveling waves, the absolute value of the forward direction current traveling waves and the absolute value of the reverse current traveling waves are solved, the integral value ration of the forward current traveling waves and the reverse current traveling waves in a window in 2 tao min to 4 tao min after switching on is carried out is calculated to build switching on to failure recognizing criteria. If the integral value ratio is smaller than the set threshold value k, the line is judged to be a switching on to non-failure line, and if the integral value ratio is larger than k, switching on to failures is judged. The simulation verifies and shows that the method is not affected by failure positions, transition resistance and initial failure phase angles, the situation of the switching on to failure line can be reliably recognized, and the line is prevented from being impacted again.

The invention belongs to the technical field of biological pesticides, and more particularly relates to a matrine-containing pesticide and a preparation method thereof. The matrine-containing pesticide is characterized in that a suspension agent mainly comprises the following components in parts by weight: 1-25 parts of matrine, 5-20 parts of organic solvent, 1-25 parts of capsule wall material, 0.1-3 parts of colloid, 1-20 parts of emulsifier and the balance of de-ionized water to 100 parts. The matrine microcapsule suspension agent and the preparation method thereof aim to solve insufficient dosage form of biological pesticides in China, pollution to the environment and a poor control effect on insect pests. All active components in the scheme are naturally extracted from single-composition sophora flavescens plants, do not contain any chemical pesticides and are safe to natural enemies and the environment; and the novel matrine pesticide has the advantages of long duration of efficacy, anti-photolysis, improvement of utilization rate of pesticides and the like.

The invention relates to an intelligent protective loop framework system and an intelligent protecting method of a power supply looped network. The system uses transformers in various sections of buses, various looped network cables and various feed line loops in the power supply looped network as independent protective objects, all protective objects form a protective region of the protective objects through wire inlet and outlet breakers directly connected with the protective objects; information resource sharing is achieved through networking related current sensors with related protectivedevices, the protective devices can extract output information of any one sensor on the network, if the protective objects have short circuit faults, and all various related protective devices can rapidly extract current information at two ends of a fault region for comprehensive judgment so as to rapidly cut off the circuit breakers at two ends of the fault region by using short delay; and if the circuit breaker of the fault region rejects the separating brake because of the fault, the system enlarges the protection to a standby region. The system is suitable for massive popularization and application because the protection does not need setting calculation, and has important production practical significance.

The invention discloses a high speed railway power supply network system comprising a traction substation, feed line breakers 1DL and 2DL, an AT station, feed line breakers 3DL and 4DL, an AT subarea station, feed line breakers 5DL and 6DL, an uplink traction network power supply arm and a downlink traction network power supply arm, a first protective relaying device, a second protective relaying device and a third protective relaying device; when detected 1DL and 2DL protection measured values are bigger than a setting value1, or the detected 1DL and 2DL protection measured values are defined between the setting value1 and a setting value2, and a control signal sent by the second or third protective relaying devices is received, the first protective relaying device can control the traction substation feed line breakers to make protection motions, thus breaking the traction substation power supply. The high speed railway power supply network system can solve the problems that a load current and a power supply arm end short circuit current cannot be effectively distinguished; the invention also discloses a high speed railway power supply network system protection method.

The invention relates to a preparation of an antibacterial composition, which belongs to the pesticide compounding field. Affective ingredients of the antibacterial composition are prepared through mixing two components of cyflufenamid and several triazole bactericides, wherein the weight ratio of cyflufenamid to the triazole bactericides is 90:1-1:90, and preferably 60:3-2:70; the total weight percentage of the active ingredients in the antibacterial composition is 1-90%, and preferably 8-75%, the rest is pesticide allowable and acceptable auxiliary components. A wettable pulvis, a suspending agent, a soluble liquid formulation, an emulsion in water, a water dispersed granule, and a particulate agent can be prepared from the antibacterial composition with known methods. The antibacterial composition is mainly used for controlling fungal diseases of crops of grains, cotton, oil, fruits, vegetables and flowers.

The invention relates to a matrine pure plant source pesticide which is characterized by comprising the following components in part by weight: 0.5-5 parts of banlangen, 5-25 parts of active emulsifier, 10-40 parts of organic solvent and 30-60 parts of purified water, wherein the part summation of four substances as basic components is 100. The matrine pure plant source pesticide is prepared from completely natural organic components without chemical pesticides, and has no harm to natural enemies and the environment.

The invention provides a herbicide, which concretely comprises the following components in mass percent: 30%-80% of phosphonomethyl imino acetic acid, 0.5%-20% of fluoroglycofen-ethyl, 1%-10% of fluroxypyr-mepthyl, 3%-20% of surfactant, and the balance of carriers or accessories. According to the invention, the herbicide has stable properties and a reasonable formula; and the herbicide containing 40%-90% of effective components including wettable powder (WP), suspension concentrate (SC), oil deflocculant (OD), water-dispersible granules (WDG) and emulsifiable powder (WEP) can be prepared by production methods of common pesticide preparations. The herbicide provided by the invention can be used for preventing and eradicating weeds in forest lands, non-tillage fields and wastelands, and has an excellent control effect on weeds with resistance to phosphonomethyl imino acetic acid.

The invention relates to a sterilization composition in the compounded field of farm chemicals, which contains active ingredients such as bixafen and partial strobilurin fungicide, the weight percentage of the two active ingredients is 80:1 to 1:80, and the preferential weight percentage is 45:3 to 5:60; and the total weight percentage of the active ingredients in the sterilization composition is 1 percent to 90 percent, and the preferential total weight percentage of the active ingredients in the sterilization composition is 5 percent to 70 percent, the rest of ingredients of the sterilization composition are auxiliary components which are allowed to use and are acceptable in the farm chemicals. The sterilization composition can be made into wettable powder, suspending agent, soluble liquid, micro-emulsion, emulsion in water and water dispersion granule through a known method; and the sterilization composition is mainly used for controlling the fungous and bacteria hazards of the crops such as vegetables, fruit trees, corns and the like.

The invention discloses a silkworm excrement and shell ecologic acidic soil conditioner and a preparation method thereof, and belongs to the technical field of agriculture soil fertilizers. The silkworm excrement and shell ecologic acidic soil conditioner is prepared from, by weight, 20-90 parts of shells and 10-80 parts of silkworm excrement. Synergism of shell powder and silkworm excrement after the shell powder and the silkworm excrement are mixed, co-fermented and combined is found in the invention, so the utilization of calcium in the shell powder by the acidic soil is greatly improved, the soil acidity improvement effect of the conditioner is substantially better than the total acidity improvement effect reached by individual use of the silkworm excrement and the shell powder; and the conditioner disclosed in the invention improves the acidic soil improving effect of the silkworm excrement and the shell powder, improves the absorption of nutrition in the silkworm excrement and shells by crops, and increases the output of crops.

The invention discloses a method for producing an organic fertilizer by treating paper making sludge with microflora. In the method, sludge and auxiliary materials in a paper mill are taken as raw materials for serving as high-quality protein resources of the organic fertilizer, beneficial microbial bacteria are subjected to pure culturing, so that the organic fertilizer which can be absorbed more easily by plants and has quicker acting is produced. Due to the adoption of the method, the problem of environmental pollution caused by the paper mill is solved; and by applying the fertilizer, soil can be remarkably improved, the soil fertility is increased, the growth of plants is promoted, the crop quality is improved, and the absorption of other nutrients by crops is promoted.

The invention provides an electrical signal frequency detection method and device. The detection method comprises that a zero crossing point of a detected electrical signal is detected; whether the interval, obtained by detection, of the zero crossing point is greater than a set threshold is determined, and if yes, the frequency of the detected electrical signal is determined according to the interval of the zero crossing point; and otherwise, the detected electrical signal is filtered, and the frequency of the filtered signal is determined. The method and device can rapidly detect the frequency of the detected signal when interference is not strong, and a filtering detection manner is automatically switched to when interference is relatively strong; and thus, the interference resistance is high.

The invention discloses an isaria fumosorosea and abamectin oil suspension agent as well as a preparation method and application of the isaria fumosorosea and abamectin oil suspension agent. The isaria fumosorosea and abamectin oil suspension agent comprises the following components in percentage by mass: 1-5 percent of abamectin, 1-20 percent of isaria fumosorosea fungus powder, 1-20 percent of vegetable oil, 3-15 percent of an emulsifier, 0.1-5 percent of a dispersant, 1-5 percent of a stabilizer, 1-5 percent of a suspending agent, and the balance of mineral oil or methyl oleate. The isaria fumosorosea and abamectin oil suspension agent disclosed by the invention is mainly used for preventing and treating insects including plutella xylostella, solenopsis invicta and the like, has the advantages of synergism, good permeability, high activity, stable effect, long effect lasting period, small environmental pollution, high adhesion, evaporation resistance and the like, also can be used for treating various crop insects, and has quite good application and popularization values.

The invention relates to a positive current traveling-wave principle component cluster analysis-based closing fault identification method, and belongs to the technical field of power system relay protection. According to the method, after a power transmission line is in a single-phase-to-ground fault, by a single-phase recloser, a positive current traveling-wave is constructed by line-mode current and line-mode voltage travelling waves which are obtained by a measurement end; principle component cluster analysis is carried out by absolute value data of the positive current traveling-wave within a fixed time window after closing; identification is carried out according to a projection value of sample data in a principle component analysis cluster space; if the projection value q1 is greater than a threshold value q1,set, a closing fault is judged; and if the projection value is less than or equal to q1,set, the condition that the circuit is free of a fault is judged. Simulation verification shows that the condition of a closing fault circuit can be reliably identified, and secondary impact to the circuit is avoided.