52 results about "Invasive Weeds" patented technology

The invention provides a distributed wind power plant fan optimized arrangement system and a method and belongs to the technical field of distributed wind power generation programs. The system comprises a data collection module, a topographic map data acquisition module, a digital signal processor (DSP) controller, a load flow calculation module, a maximum switched-in capacity analysis module, a fan optimized arrangement and calculation module and a graphic display module. The method comprises the steps of determining a region for a to-be-established distributed wind power plant, a location for the to-be-established distributed wind power plant to access to a power distribution network, the capacity of the to-be-established distributed wind power plant and the fan number of the to-be-established distributed wind power plant; establishing at least one anemometer tower in the region for the to-be-established distributed wind power plant, calculating the wind shear coefficient and the wind profile function of the anemometer tower to figure out the wake loss so as to obtain the actual wind speed and finally calculating the Weibull distribution function; establishing a constraint condition and an objective function for fan optimized arrangement; optimizing the positions of fans based on the taboo invasive weed algorithm to obtain a fan arrangement optimized solution; finely tuning the positions of fans, and displaying a final topographic map containing the region for the to-be-established distributed wind power plant equipped with fans.

The invention relates to the field of natural dyes, and specifically relates to a natural plant dye, a preparation method and application thereof. According to the invention, the natural plant dye is obtained by extracting vicious weeds serving as raw materials, wherein the vicious weeds are one or more in a group including chromolaena odorata, mikania cordata, water hyacinth, alternanthera philoxeroides, alternanthera pungens, spartina anglica s, ragweed, lantana camara, solanum aculeatissimum and lolium temulentum. The extraction method comprises the steps of grinding and extracting through water. The invention provides a novel scheme for utilizing exotic vicious weeds; the preparation of the natural plant dye by taking exotic invasive weeds as raw materials can protect environment and bring conomic benefits; residue produced during dye extraction can be burnt and combustion can provide a heat source for a dyeing process; and obtained ash can be used as mordanting assistants for dyeing with no storage or treatment so as to really achieve environmental protection.

A method for preparing golden mushroom, pleurotu ostreatus, hedgehog fungus, mushroom, glossy ganoderma, black fungus with part of or all of extrinsic intrusion weeds such as Canada goldenrod, false Chinese sorghum, annual awning, small erigeron, wild pond wormwood and plane weed; and method preparing mushroom and glossy ganoderma with eupa, while in current method, raw material are usually as follows: cotton-seed hull, chip, straw, ryegrass, maize-ear, bran and rice bran. The proportion of weeds consumption in total cultural material is 20-80%. The invention can control extrinsic intrusion weeds, bring in economic benefit, and release raw material shortage, and the low cost is good for factory production and ecological balance maintenance.

The invention relates to a conformal antenna array directional diagram comprehensive method based on an invasive weed optimization. The conformal antenna array directional diagram comprehensive method is characterized by at least comprising the following steps of: a step 101 of carrying out population initialization; a step 102 of carrying out growth and reproduction; a step 103 of carrying out spatial diffusion; a step 104 of carrying out competition and repulsion; a step 105 of determining if the seed number reaches the maximum number of population; a step 106 of selecting solutions, the number of which is Qsize, with best adaptive values in dependence on a competitive survival rule; a step 107 of determining if a present number of iterations reaches the largest number of iterations, and proceeding with the step 102 if the present number of iterations does not reach the largest number of iterations, i.e., iter<iter[max], and otherwise carrying out a step 108 of quitting an algorithm implementation process and outputting an optimal solution. In the conformal antenna array directional diagram comprehensive algorithm, the adaptability is set as a standard reproduction mechanism, and an offspring-and-parent competition and repulsion mechanism is employed, the conformal antenna array directional diagram comprehensive algorithm is global and effective, the algorithm is prevented from falling into a local optimal solution, and useful information is reserved to capacity.

This paper discloses a method for optimal configuration of power sources in a wind-solar combined power generation micro-grid system, which belongs to the field of grid optimization planning. It includes the following steps: considering the correlation between new energy power generation output and different types of load power in the microgrid, and establishing the joint output of new energy power generation and the probability distribution model of the total load power based on the Copula theory; using the historical simulation method to obtain the microgrid operation The risk value in the planning realizes the risk assessment of the micro-grid; with the goal of considering the investment cost, low-carbon cost, and grid-connected operation power trading and other comprehensive economic costs, the optimal configuration model of the micro-grid power supply is constructed; the improved invasive weed optimization is adopted The algorithm solves the configuration scheme. Considering the correlation greatly improves the economy of the optimization scheme. At the same time, the risk value of the system is well combined with the economic loss, and the economy and reliability of the system are improved.

The invention discloses Taiwania flousiana Gaussen with herbicidal activity and an application of Taiwania flousiana Gaussen and an application of a Taiwania flousiana Gaussen extract as a herbicide. The research finds that the Taiwania flousiana Gaussen and the Taiwania flousiana Gaussen extract have the efficacies of remarkably inhibiting germination, synthesis of chlorophyll a and growth of multiple classical farmland weeds, invasive weeds and aquatic weeds such as crab grass, amaranthus retroflexus, tropic ageratum herb, feather cockscomb, Bidens pilosa, mikania micrantha, Pistia stratiotes and spirogyra, have remarkable inhibition effects, can be applied to the prevention and kill-off of the farmland weeds and can be developed into efficient and pollution-free environment-friendly herbicides, or a lead compound is provided for the creation of novel herbicides; and the Taiwania flousiana Gaussen and the Taiwania flousiana Gaussen extract have remarkable social and economic benefits and good application prospects.

Apparatus for control of vegetation having at least a part within a body of water such as a lake which includes a generally planar surface and a plurality of Ultra Violet Light-C (UV-C) light sources capable of producing UV-C light at substantially a wave length of 254 nm, the sources being disposed on the generally planar surface. The method for control of vegetation includes providing a generally planar surface, providing the plurality of UV-C light sources capable of producing UV-C light at substantially a wave length of 254 nm and positioning the sources on the generally planar surface, and positioning the generally planar member with the UV-C light sources within 12 inches of vegetation to be controlled, and exposing the vegetation to be controlled to the UV-C light sources for a finite period of time.

The invention relates to an array antenna beam forming method based on improved hybrid invasive weed optimization. The method includes the steps that array antennas receive spatial signals; weight vectors of the antennas are calculated; the antennas are weighted; output of the antennas is summed, and then output values are acquired, wherein the output of the antennas is the sum of the output values acquired after the antennas are weighted. Compared with traditional invasive weed beam forming, the method has the main advantages that the convergence rate is high compared with that of traditional invasive weed beam forming; the method is less in the local optimum risk compared with traditional invasive weed beam forming, and the method can be suitable for a system with the high real-time performance requirement.

The invention discloses replacement control of pachyrhizua angulatus to invasive weed mikania micrantha. It is discovered that the pachyrhizua angulatus can be regarded as a species which replaces andcontrols the mikania micrantha to inhibit invasion of the mikania micrantha. Pachyrhizua angulatus seeds are planted in soil of South China where the mikania micrantha is removed in advance, the pachyrhizua angulatus can rapidly occupy the vacant ecological niche after the mikania micrantha is removed, and the effect that the mikania micrantha are effectively controlled can be achieved at a relatively low density. Meanwhile, along with the increment of the cover degree of the pachyrhizua angulatus, photosynthesis of the mikania micrantha can be lowered, growth of the mikania micrantha is inhibited, landing and germination of mikania micrantha seeds can also be effectively stopped, and the mikania micrantha is prevented from establishing a new population. Quantity increment of the pachyrhizua angulatus seeds is beneficial for spreading and stability of the mikania micrantha population. In the soil where the pachyrhizua angulatus seeds are sowed, the species diversity is improved, the stability of the ecological system is improved, and the ability to resist exotic species invasion is improved.

The invention discloses a natural lignan compound (TSC-3) with high weeding activity and application thereof. The natural lignan compound (TSC-3) has the advantages that the obvious weeding function is realized on multiple types of weeds, especially invasive weeds which are difficult to prevent and control, the germinating and growth of the weeds can be inhibited at high efficiency, and the effectof the natural lignan compound is better than the effect of commercialized herbicides, such as glyphosate and treflan; the significant theoretical guidance significance and practical popularization value of the compound (TSC-3) are realized on the research of novel plant-derived herbicides and the research, development and innovation of novel herbicides; the natural lignan compound (TSC-3) is derived from the plants, the smooth degrading path exists in the nature, and the low-toxin and environment-friendly effects are realized; the compound can be extracted from a taiwania flousiana plant, and can be artificially synthesized, so that the compound is suitable for large-batch production and has a good industrialized application prospect. The invention also discloses a preparation method ofthe natural lignan compound (TSC-3) so as to lay a good foundation for the further development of novel herbicides and the deep study of the functions of the compound.

The invention discloses a scheduling method based on a discrete invasive weed algorithm, and the algorithm comprises the steps: giving an initial solution of a random number to all weeds, and carryingout the coding and decoding of an initial random sequence in a mode of procedure coding; in each iteration process, enabling each weed to calculate the number of seeds to be generated by the weed; inthe spatial diffusion operation of the algorithm, enabling the seeds to generate a standard deviation value for controlling the diffusion distance according to the fitness value of the parent plant,and enabling the seeds to be randomly diffused around the parent in a normal distribution mode according to the standard deviation value; carrying out local optimization on newly generated seeds, using a VNS thought to change a sequence of a workpiece, and improving the local search capability of the algorithm; and when the total number of the weeds reaches a set maximum value, removing poorer individuals by an algorithm, and only retaining the maximum number of the weeds. The invention provides a scheduling method based on an advanced novel evolutionary algorithm, and the scheduling method can more intelligently solve the job shop scheduling problem in the manufacturing industry.

The invention discloses a method for solving probability integral parameters on the basis of an invasive weed optimization algorithm. The method comprises the following steps of (1) substituting the geological mining condition parameter and the working face population initial parameter of a known working face region into a probability integral formula, and predicting the subsidence value and the horizontal moving value of an observation point; (2) building an error function by solving the difference value between the practically measured subsidence value and the horizontal moving value of theworking face observation point and the estimated subsidence value and the horizontal moving value in the step 1; and (3) using the error function in the step 2 as a fitness function; using the invasive weed optimization algorithm for inverting the probability integral parameters; and solving the probability integral parameters of the working face. The method provided by the invention is simple; the invasive weed optimization algorithm is applied to the solution of the probability integral parameters for the first time; all of the probability integral parameters can be solved; and the advantageof high parameter solving precision is realized.

The invention discloses a goods allocation method for cigarette production materials based on an invasive weed optimization algorithm. The method comprises the following steps: building a goods allocation model according to the storage features of cigarette production materials; initializing a weed population; dividing the initial weed population into a plurality of sub-weed populations; performing local search on each sub-weed population, and updating the worst solution; performing internal propagation and spatial diffusion on each sub-weed population to generate a new sub-weed population; mixing each sub-weed population with each new sub-weed population; allowing all the weeds to compete for survival, and the outputting the position of the weeds with the best fitness function value. According to the goods allocation method for cigarette production materials based on the invasive weed optimization algorithm provided by the invention, a goods allocation strategy of a warehouse is determined according to the storage demands of the cigarette production materials, and a goods allocation model is constructed; and on the basis of the invasive weed algorithm, the model is optimized and solved, so goods allocation resources are fully utilized, the warehouse operation efficiency is improved, and AGV operation time is saved.

The invention discloses application of invasive weed Wedelia trilobata to killing of prodenia litura larvae and belongs to the environment-friendly technical field of killing pests by using invasive plant resources. Wedelia trilobata extract solution is applied to crops to directly kill prodenia litura larvae. The invasive weed Wedelia trilobata which is commonly seen in South China areas is used to realize reasonable and effective development and utilization of plant resources; dry leaf weight of Wedelia trilobata used in the preparation of the Wedelia trilobata extract solution is 50 to 200g. By using the invasive weed Wedelia trilobata to effectively kill the agricultural pest prodenia litura larvae, the operation is simple and easy to perform, the effect is good, the cost is extremely low and the method is a healthy, pollution-free, environment-friendly and ecological method for preventing and controlling agricultural pests.

The invention discloses a control method for invasive plants and application, especially control on bidens pilosa L. According to the method, plant straw is uniformly laid on a ground surface where invasive plants grow in winter; after continuous 30-80 days or spring begins, light-proof airtight materials including a black film and the like are laid to guarantee that the covering rate is 100%; andthe black film continuously covers the plant straw for 50-70 days or is removed after summer begins. According to the scheme, two ways of straw covering and film covering are combined in a specific sequence and specific time to perform stacking continuous covering, and thus, a significant control effect on invasive weeds, such as bidens pilosa L. and the like, is significant; moreover, not only can the bidens pilosa L. above the ground be eliminated, but also underground rhizomes and seeds thereof can be further killed, inactivated and reduced, so that the control effect is more lasting; meanwhile, soil fertility can also be enhanced after the straw, the bidens pilosa L. and the like decompose; and in addition, by employing the technical scheme of the invention, mechanical weeding is notneeded, labor intensity is low, cost is low, environmental pollution is not generated, the straw can also be recycled, and the application prospect is good.

The invention relates to the field of invasive weed control, in particular to a method for biologically preventing and controlling invasive ambrosia artemisiifolia weed by using epiblema strenuana. The method comprises the steps of preparation and release of epiblema strenuana galls. The method is simple and easy, and can fulfill the aim of continuously controlling spread of ambrosia artemisiifolia populations.

An Invasive Weed Seed Removal System, and a method for making an Invasive Weed Seed Removal System are disclosed. More particularly, an invasive weed seed removal device is provided including a weed seed removal nozzle which works in conjunction with a combination vacuum and a venturi effect cutting blade configuration, to cut and vacuum invasive weed seed pods, thereby effectively and economically removing them from the environment before the weed seeds reach the ground, whereby the annual cycle of invasive weeds is broken, and areas of land are cleared for native plants to grow and thrive. The Invasive Weed Seed Removal System can be configured as a hand-held unit, a backpack weed whacker type unit, a lawn mower type unit and a heavy equipment type tractor attachment, to enable several methods of controlled cutting and removal of the seed pods of invasive weeds and noxious imported grasses and other plants, by adjusting the height of a unique cutting and vacuum nozzle.

The invention provides an intelligent radar sea clutter forecasting system and method based on an improved invasive weed optimization algorithm. The system comprises a radar, a database and an upper computer which are connected successively; the radar illuminates a detected sea area and stores radar sea clutter data into the database; the upper computer comprises a data preprocessing module, a robust forecasting model modeling module, an intelligent optimizing module, a sea clutter forecasting module, a discrimination model updating module and a result display module. Based on the chaotic characteristics of radar sea clutters, radar sea clutter data are reconstructed, non-linear fitting is performed on the reconstructed data, and an improved invasive weed optimization algorithm is introduced, so that an intelligent forecasting model for radar sea clutters can be built and radar sea clutters can be forecast online; the modeling method in the invention only requires fewer samples; the influence of human factors is reduced; the system and the method are highly intelligent and robust.

The invention discloses an intelligent radar sea clutter forecasting system and method based on a differential evolution invasive weed optimization algorithm. A radar, a database and a host computer are sequentially connected to form the system, the radar irradiates a detected sea area and stores radar sea clutter data to the database, and the host computer comprises a data preprocessing module, arobust prediction model modeling module, an intelligent optimizing module, a sea clutter forecasting module, a discrimination model updating module and a result display module. Aiming at the chaoticcharacteristic of radar sea clutter, radar sea clutter data is reconstructed, the reconstructed data is subjected to nonlinear fitting, a differential evolution invasive weed algorithm is introduced,and therefore a radar sea clutter intelligent forecasting model is established, and the radar sea clutter can be forecasted on line. The modeling method only needs few samples, influence of human factors is reduced, and the intelligent radar sea clutter forecasting system and method are high in intelligence and robustness.

Endophytic bacteria, compositions comprising the same, and methods of use thereof are disclosed which suppress growth of aggressive, invasive weed species which grow in the same habitat of target plants of interest.

The invention provides a chicken feed with flaveria bidentis as a raw material and a production method of the chicken feed. After the feed is used for feeding a chicken, the feed conversion rate can be increased by 1.5-6.1%, the chicken fat content can be reduced by 4.8-25.0%, the protein content can be increased by 9.5-19.4%, the total amino acid content can be increased by 1.7-4.3%, the chicken nutrition value is increased, the chicken tenderness is better in mouth feel, the egg nutrition value can be increased, the crude protein content is increased by 3.3-10%, the total free amino acid content can be increased by 2.5-7.8%, and the lecithin content can be increased by 4.0-11.5%. According to the invention, a way is provided for the resource utilization of the flaveria bidentis as a severely harmful external invasive weed, the flaveria bidentis is changed into things of value, the ecological environment is favorably protected, and higher economic, ecologic and social benefits are achieved.

The invention discloses an orchard ecological control and restoration construction method based on allelopathy of invasive weed mikania micrantha. According to the method, on the basis of allelopathy and selectivity of the mikania micrantha on alternative species, the alternative species with high tolerance and competitiveness are reasonably planted, and agricultural control, physical control or chemical control is combined. For plots with the allelopathy comprehensive index RIS ecologically determined to be greater than 0.8 according to an allelopathy mode receptor plant lettuce, bengonium bracteatum, hispid arthraxon, sweet potato or purslane are interplantedafter deep and shallow rotation tillage; for plots with RIS equal to 0.5-0.8, a sweet potatoes, purslane, laggera pterodonta or dandelion is interplanted after deep ploughing; and for plots with RIS smaller than 0.2, after shallow ploughing or no-ploughing, setaria viridis, daphne odora, benthraxon or hispid arthraxon are planted in a mixed mode, and 83.0-123.0 g(ai) / hm<2> of selective herbicide clopyralid is applied. The control effect of the method on the mikania micrantha reaches 90.0% or above, and the plant diversity is remarkably improved by 15.0% or above.

The invention mainly obtains a compound having sprout-inhibiting activity from extract of a malignant invasive weed 'crofton weed'. The compound is a plant sprout inhibiting agent used for the fields of storage, preservation, weed control, sprouting inhibition, chemical topping, and the like. Extraction, separation and activity tracking are combined in the technology provided by the invention. The technology includes crude extraction of crofton weed powder by ethanol, redissolution of ethanol extract by water having a certain temperature, digestion with ethyl acetate and purification. Natural products derived from the 'crofton weed' are manufactured into a plant-source pesticide. The specification mainly expounds that the sprout-inhibiting active compound can reduce economic loss caused by sprouting, water loss, disease, etc. in storage processes of tubers. The active compound can be applied for prolonging the storage period of the tubers. The active compound is low in production cost and obvious in effect, is simple to use and is prone to popularization. In addition, the crofton weed is changed from a harmful material into a treasure, thus preventing huge economic loss of tubers in storage processes.

The invention discloses an invasive weed compound corrosion inhibitor and a preparing method and application thereof. The invasive weed compound corrosion inhibitor comprises 0.1-1.0 g / L of guayule extracts, 0.05-0.5 g / L of a Gemini surface active agent, 0.1-0.5 g / L of a non-ionic surface active agent, 0.01-0.1 g / L of arabinose, and the balance acid-pickling liquid. According to the preparing method, various raw materials matched according to the formula are mixed and evenly stirred, and the target object invasive weed compound corrosion inhibitor is obtained. Application is the application ofthe invasive weed compound corrosion inhibitor to steel material acid pickling.

The invention discloses an intelligent radar marine target detection system and method based on invasive weed optimization. A radar, a database and a host computer are sequentially connected to form the system, the radar irradiates a detected sea area and stores radar sea clutter data to the database, and the host computer comprises a data preprocessing module, a robust prediction model modeling module, an intelligent optimizing module, a target detection module, a model updating module and a result display module. Aiming at complex features of marine target detection, radar clutter data is reconstructed, target data is detected, an invasive weed algorithm is introduced, and therefore a radar marine target detection system and method which achieves on-line detection and has high intelligence are provided.

The invention provides a method for detecting the quality index of biogas slurry based on near infrared spectroscopy, and relates to the technical field of biogas slurry detection.The method comprises the steps that corn straw and cow dung samples are collected and subjected to anaerobic fermentation, and then a biogas slurry sample is obtained; detecting the quality index of the biogas slurry to obtain the initial value of the quality index of the biogas slurry sample; performing transmission spectrum scanning to obtain a near infrared spectrum of the biogas slurry sample; performing characteristic wavelength optimization based on a reverse interval partial least square method and an invasive weed optimization algorithm to obtain a sample characteristic wavelength optimization value; establishing a quantitative detection model based on the optimal value of the characteristic wavelength of the sample; and performing transmission spectrum scanning on target biogas slurry to obtain a target characteristic wavelength optimal value, and obtaining a quality index value of the target biogas slurry according to the target characteristic wavelength optimal value and the quantitative detection model. Compared with the prior art, the detection speed is high, the precision is high, and synchronous and rapid detection of biogas slurry quality indexes can be realized.

The invention belongs to the technical field of biological invasion worst weed treatment, and particularly relates to a method for preventing and controlling invasion weed solidago canadensis by locusta chinensis. The method comprises a preparation step of locusta chinensis, a release method and a region immobilization method. The implementation process comprises the steps of light source supplementing, insect throwing in the seedling stage, light source adjusting and insect re-throwing in the growing stage, specifically, in a solidago canadensis invasion area, an artificial light supplementing mode is adopted, and then locusta sinensis is thrown, so that leaves of solidago canadensis are fed, photosynthesis is difficult to conduct, seedlings die or flower seeds are difficult to form, and the purpose of preventing and treating the locusta sinensis is achieved. Intrusion diffusion is controlled, so that the ecological function is restored. The method is simple, high in operability and small in regional ecology interference, the natural enemy prevention and control principle is fully utilized, diffusion and propagation of solidago canadensis can be effectively controlled, the released locusta sinensis can be prevented from being abused to cause disasters, and ecological balance is maintained.

The invention provides an extract of an invasive weed, namely annual fleabane herb, a preparation method of the extract and application of the extract in killing gramineous weeds. The method comprisesthe following steps: soaking underground roots or stems and leaves of annual fleabane herb in water for 3-5 days, removing root blocks or stems and leaves, heating and evaporating the obtained extract for concentration until the volume of the extract is halved, and cooling the extract for later use. The annual fleabane herb extract is applied to and used for watering a gramineous weed distribution area of field to directly kill gramineous weeds in farmland. The invention relates to an environment-friendly technology for killing farmland weeds by utilizing invasive plant resources. The annualfleabane herb is wide in distribution and extremely easy to obtain, and the method for preparing the extract is simple in process, easy to operate and extremely low in cost; the annual fleabane herb extract has a good effect of killing gramineous weeds in farmland; and no pollution is caused to the environment, and green, environment-friendly and sustainable ecological agricultural development canbe realized.

The invention provides a scheduling method for solving resource-constrained projects with an invasive weed algorithm, and relates to the technical field of scheduling activities of construction engineering projects. This method first establishes a resource-constrained project scheduling model, and transforms the project scheduling problem in actual engineering into a mathematical model problem of combinatorial optimization; secondly, the optimization goal is to minimize the total project duration, and at the same time, the constraints of project activities are considered With a variety of updatable resource constraints, a project scheduling model is constructed; finally, the invasive weed algorithm is used to solve the large-scale project scheduling situation. In the process of solving, a right-shift decoding strategy is designed to correct the illegal solutions that appear in the process of weed seed generation, to ensure that all solutions strictly obey the constraints of project activities, and at the same time improve the algorithm solution efficiency. The resource-constrained project scheduling scheme obtained by this method can effectively shorten the total construction period of large-scale projects.

The invention relates to a method for improving soil water and cracks by using biochar synthesized by using water hyacinth. The method mainly comprises the steps: (1) drying stems of the water hyacinth in the air, breaking the stems of the water hyacinth into small pieces, and then, carrying out pyrolysis under the conditions of oxygen insufficiency and high temperature; (2) crushing a rough waterhyacinth charcoal material obtained by pyrolysis by using an automatic crusher, and carrying out screening by using a screening device to obtain the water hyacinth charcoal material; and (3) mixing the water hyacinth charcoal material obtained in the step (2) and soil. The invention develops a novel application of harmful invasive weeds WH, the harmful invasive weeds are converted into BC by which it is possible that the SWR performance is improved and the soil crack potential is reduced, then, BC is mixed with the soil, and BC capable of improving the water retention and crack potential of engineering soil can be applied to the improvement of a geological environment such as a landfill covering material, a vegetable cover slope and an urban green infrastructure. The conversion from WH toBC is a more sustainable method for managing stubborn weeds in biochar-modified soil.