185results about How to "Many branches" patented technology

The invention relates to the technical field of modified asphalt in a water permeable asphalt pavement and especially relates to an application of polyamide ester in improvement on the cohesiveness of the modified asphalt. In the invention, firstly hyper-branched polyamide ester with the terminal being a hydroxyl group is synthesized, and then the polyamide ester is reacted with methyl acrylate to obtain an aromatic hyper-branched polyamide ester terminated by a double bond. The compound has many branches and has a three-dimensional stereo structure, has excellent solubility with a substrate and can effectively fix an asphalt substrate. A test proves that the modified asphalt doped with the hyper-branched polymer is significantly improved in high-temperature resistance and cohesiveness.

The invention discloses a micro-channel cold plate structure. The micro-channel cold plate structure comprises a substrate and a micro-flowing-channel network processed on the substrate; and the micro-flowing-channel network comprises a shunting structure, a partial micro-channel network and a confluence structure in a combined manner. The micro-channel cold plate structure has the beneficial effects as follows: reasonable flow deploying of a cooling working medium is realized through T-shaped flowing channels, and then heat transfer is strengthened by tree-like and parallel micro channels; finally, energy re-confluence is realized through inverse Y-shaped two-furcation flowing channels, so that high channel distribution uniformity is realized, and the network can be uniformly distributed in the whole to-be-dissipated region; the overall micro-fluid network is in all-parallel-connection way, so that high temperature consistency is achieved; the cooling working medium flows smoothly in the flowing channels, so that low flowing resistance is formed; and furthermore, the micro channels in each group of the partial micro-channel network are arranged in parallel, and the channels are more in branches and high in span, so that the process can be realized conveniently, partial pressure loss can be lowered, and the heat dissipation performance of the micro-channel cold plate can be further improved.

The invention relates to the technical field of removal of formaldehyde in urea-formaldehyde resin adhesives for artificial boards, particularly preparation and application of hyperbranched polyamide. The hyperbranched polyamide is synthesized by the following steps: carrying out reaction on butanedioic anhydride and diethylenetriamine used as raw materials to generate two AB2 monomers, and carrying out reaction on the two AB2 monomers under certain reaction conditions to obtain the hyperbranched polyamide. The hyperbranched polymer has multiple branches and multiple terminal amino groups, and thus, has multiple reaction active sites and can sufficiently react with formaldehyde. The hyperbranched polymer has low viscosity, has the three-dimensional structure, does not have intermolecular entanglement, and thus, can implement high utilization value after being added into the urea-formaldehyde resin adhesive. The hyperbranched polyamide is an environment-friendly formaldehyde catcher, thereby reducing the hazards to the human health and satisfying the requirements for national green material production.

The invention relates to a preparing method of a high-branch type polyvinyl alcohol-acrylamide graft copolymer. The preparing method includes: dissolving polyvinyl alcohol with water, feeding nitrogen, cooling, adding a catalyst, reacting for 10-30 min, adding dropwise a monomer mixture solution with the adding time being controlled to be 30-90 min and the reaction temperature during addition being controlled to be 65-95 DEG C, reacting at 85-95 DEG C for 20-30 min after the addition is finished, adding the catalyst, reacting at 80-95 DEG C for 15-25 min, adding the catalyst, sampling in the reaction process and measuring viscosity, adding a terminating agent when the viscosity at 25 DEG C reaches 1500-15000 mPa*s to stop the reaction, and adjusting the solid content. The graft copolymer has characteristics of high molecular weight, more branches, low viscosity, less gel, good retention property, and high interference resistance to hetero-ion, and can achieve satisfied enhancing effects even when being used as a papermaking dry strength agent in a bad high-temperature high-conductivity environment for manufacturing paper with pulp.

The invention is about preparation method of amino sulfoacid water reducing agent. The part by weight of different component is 200 portion of water, 30-50 portion of phenol, 60-90 portion of diamino benzene sulfonic acid or diamino benzene sulfonate, 0-10 portion of urea. The reactor is heating-up to 50-90deg.C, and condensating agent formaldehyde is 50-70portion. Stirred after 4-8 hours, 1-10 portion of alkalinous conditioning agent and 0-2 portion of triethanolamine is added. Stired until it is to room-temperature, then the liquid water reducing agent is gaine. In the invention, diamino benzene sulfonic acid can be sulfanilic acid, diamino benzene sulfonate can be p-amino benzene sulfonate. The water reducing agent has high reducing rate, can control the loss of slump constant, and has high applied value.

The invention relates to a wet strength agent, and a preparation method and an application of the wet strength agent. The preparation method comprises the steps of allowing polycarboxylic acid and polyamine to react for 0.5-2h at 100-140 DEG C in the presence of a catalyst to form a polyamide polyamine prepolymer, adding dicarboxylic acid into the polyamide polyamine prepolymer for reaction for 4-10h at 150-190 DEG C to form a wet strength agent intermediate, adding a crosslinking monomer and an initiator at 30-50 DEG C for reaction for 0.5-1h at 50-60 DEG C to form a polymer, cooling the polymer to 30-35 DEG C, adding epoxy chloropropane, heating up to 60-80 DEG C for reaction for 2-6h, and adjusting pH (potential of hydrogen) of a reaction system to be 2-4 to form the wet strength agent. The wet strength agent has multiple branches, high molecular weight, balanced negative and positive charge distribution, high retention rate and high curing speed.

The invention provides a propagation method for grafting Camellia tamdaoensis Hakoda et Ninh onto camellia maozi. The propagation method comprises the steps of carrying out management cultivation of a camellia maozi nursery stock as a stock seed tree and the imported Camellia tamdaoensis Hakoda et Ninh nursery stock as a cutting seed tree, respectively, grafting the Camellia tamdaoensis Hakoda et Ninh cuttings on the camellia maozi cutting seedlings, and controlling the light, the relative humidity and the matrix moisture content in the nursery, thereby obtaining Camellia tamdaoensis Hakoda et Ninh grafted seedlings. The propagation method is characterized in that based on the excellent stock seedling application characteristics of the camellia maozi such as many branches, high germination power, thick and easily strippable bark, and high adaptability to natural environments of drought, flooding, acids, bases, salt and high temperatures, the Camellia tamdaoensis Hakoda et Ninh which is beautiful in leaf shape, flower and crown shape and high in ornamental value and garden development value is grafted on the camellia maozi, the grafting survival rate can be more than 98%, propagation can be expanded rapidly, the propagation coefficient is high, a large quantity of Camellia tamdaoensis Hakoda et Ninh seedlings can be obtained, and after about 5-6 months of management and protection, the grafted seedlings grow as high as 50-60cm.

The invention provides a trichoderma reesei mutant strain VLKDN-1. The preservation number of the stain VLKDN-1 is CCTCC NO:M 2014506. A trichoderma reesei mutant strain capable of producing cellulase in high yield is obtained by adopting an ultraviolet-induced mutation technology combined with shake flask selection. Compared with a starting strain, the enzyme activity of the fermentation supernatant of mutant strain trichoderma reesei VLKDN-1 is increased by 235%, the content of protein is increased by 157%, the colonial morphology of the mutant strain is obviously smaller than that of the starting strain; the hyphae are shorter than that of the starting strain; the branches are more than that of the starting strain. The viscosity of a fermentation strain solution is remarkably reduced by virtue of the characteristics of short hyphae and more branches of the small colonial morphology of the mutant strain in the production process; the purposes of reducing the stirring rate and improving the dissolved oxygen are achieved; the production cost is reduced; the trichoderma reesei mutant strain VLKDN-1 is wide in application prospect.

A cultivation method for natural style tree-shaped Chinese rose, wherein the hedge rose stake wood is selected from cold-resistant varieties with good growing state, the graft is also selected from fine varieties, the method also comprises stake wood culture, tree shape selection for obtaining stake wood with strong roots, thick stems and multi-branches, carrying out circumferential stripping to the root portion of the grafting sprout within 1-2 months before grafting.

The soil-less cultivating medium is produced with hickory shell as main material and through adding nitrogen to regulate C / N ratio to 25-30, adding fermenting bacteria seed via mixing, piling for fermentation of 50-60 days, sieving to obtain grains of size over 1 cm, drying to water content less than 30% and packing. The hickory shell has high organic matter content and high plant affinity, can strength the buffering property of medium and raise fertilizer keeping capacity, provide plant with rich potassium and trace elements and promote plant growth. What is most important is elimination the pollution of hickory shell.

The invention discloses contact lens nursing liquid or moisture eye moistening liquid containing polyoxyethylene hydrogen castor oil. The contact lens nursing liquid is composed of the polyoxyethylene hydrogen castor oil, pH regulator, osmotic pressure regulator, metal complex, surface active agent, thickening agent, bactericide and water, and the contact lens lubricating moist liquid is composed of the polyoxyethylene hydrogen castor oil, the pH regulator, the osmotic pressure regulator, the metal complex, the thickening agent, preservative and water. The polyoxyethylene hydrogen castor oil selected by the invention has a plurality of branched chains and good lubricating performance; and the existence of the polyoxyethylene end enable the product to have good moist performance. The polyoxyethylene hydrogen castor oil is viscous liquid, is easily dissolved in water, has even solution performance, and does not have the condition that fine granules or macromolecules curl and enwind in aqueous solution because solid macromolecule raw materials can not completely dissolved to further cause the problem that eyes feel uncomfortable. The obtained product is achromatous and flavourless, and has good user reception, low production cost, and wide source of the main material of the castor oil.

The invention provides a trichoderma reesei mutant strain LA2-7 which is capable of highly producing cellulose by use of a radiation induced mutation technology. The collection number of the trichoderma reesei mutant strain LA2-7 is CCTCC NO: 2014564; the enzyme activity of the fermentation supernatant of the mutant strain LA2-7 is 3282U / mL which is increased by 276% in contrast with that of the beginning bacteria, and the protein content of the mutant strain LA2-7 is 12.2g / L which is increased by 237% in contrast with that of the beginning bacteria. Besides, the bacterial colony of the mutant strain LA2-7 is obviously smaller than that of the beginning bacteria, and the hyphae of the mutant strain LA2-7 are thicker and shorter than those of the beginning bacteria; the mutant strain LA2-7 is highly branched so as to reduce the viscosity of a fermentation bacterial liquid in the production process, so that the stirring speed can be reduced, the dissolved oxygen can be increased and the production cost can be effectively reduced; in short, the mutant strain LA2-7 has wide application prospect.

The invention discloses a yield-increase type culture method of polygonum capitatum. The method is that the reasonable seedling medium culturing and growth management are performed; a seedling bed is utilized for inoculating, rapidly propagating, cutting, reproducing and breeding; the stem sections of the seedlings in the seedling bed are utilized; one section with one bud and one leaf is inoculated from the seedling bed and then cut and planted into the soil; the specific field transplanting, field management and harvesting methods are adopted. The method has the characteristics of increasing the purity and quality of polygonum capitatum, high and stable in yield, and easy to be popularized.

The invention discloses a soil nutrient activator applicable to the improvement of saline and alkaline land and a preparation method thereof. Multiple kinds of natural charcoal and organic substancesare used as main raw materials; the soil nutrient activator which is rich in stable organic carbon, green and pollution-free is provided; compared with a conventional soil improver, the soil nutrientactivator can be used for effectively activating a soil structure; the pH (potential of Hydrogen) value of improved soil is decreased from 9.15 to 6.95; the soil nutrient activator can be used for effectively improving the soil structure, is used for regulating the pH of soil, increasing the air permeability and the water retention of the soil, meanwhile, promoting the growth of a watermelon plantand increasing the intrinsic and extrinsic quality of a watermelon, and has wide practicability in the technical field of the improvement of the saline and alkaline land.

The invention relates to a method for producing organic environment-friendly horticultural humus, and discloses a method for producing organic ecotype insecticidal and environment-friendly horticultural humus. The method comprises the following steps of: adding 10kg of oleander chip into each 1,000g of camellia shell and stirring to prepare a material, determining the content of total carbon in the material by a potassium dichromate volumetric method, and determining the content of total nitrogen by a micro Kjeldahl method; calculating the content of pure nitrogen which is required to be added on the basis of the carbon nitrogen ratio of (25-30):1; and adding 1kg of fermentation strains and 3kg of pure nitrogen, stirring uniformly, regulating and controlling composting time to 20 to 60 days to fulfill the production aims of garden surface coverage and soilless culture substrates, and oven-drying or air-drying until the water content is less than 30 percent. The process is simple, the source of raw materials is stable, and the humus is cheap in price and meets environmental protection requirements. By the method, the problem of the pollution of the partial forestry waste is solved,and a recycling and added-value utilization way is also explored for forestry waste.

The invention relates to a reactive dye--white discharge printing paste and a preparation method thereof. The white discharge printing paste comprises the following raw materials by weight: 75 to 80 parts of acrylic acid, 9 to 11 parts of acrylamide, 57 to 62 parts of methacrylic acid, 78 to 82 parts of 2-acrylamide-2-methylacrylsulfonate, 360 to 380 parts of 20 % ammonia, 3.5 to 4.0 parts of ammonium persulfate, 1.9 to 2.6 parts of sodium bisulfite, and 490 to 520 parts of water. The method comprises the following steps: polymerizing all the liquors, adding 114 to 118 parts of starch to the copolymer, pasting, and filtering. As thiourea dioxide is taken as a white discharge agent, a fabric is easy to wash with water after print discharging; and no methanal is left on the fabric, so as tobe more environment-friendly.

The invention discloses a high-calcium scheelite flotation collector and a preparation method and an application method thereof and belongs to the technical field of solid mineral resource sorting. The preparation method comprises the following steps of: by taking foots, hydroxylamine hydrochloride, sodium hydroxide, sulfuric acid and the like in a coconut oil refining process as raw materials, adding the treated foots in a certain molar ratio into a hydroxylamine hydrochloride aqueous solution at a certain temperature; then dropwise adding a sodium hydroxide aqueous solution with a certain concentration, and performing acidification after the dropwise adding reaction is finished; dehydrating and washing the acidified product to obtain coconut alkylhydroxyoxime acid; and then compounding the coconut alkylhydroxyoxime acid and soy acid in certain percentages by mass to obtain a mixture, and then saponifying the mixture to obtain the high-calcium scheelite flotation collector. The collector prepared by the preparation method disclosed by the invention is stable in property, good in floating index, stable in foam, high in adaptability, low in cost and non-toxic, and meanwhile, can efficiently separate scheelite from calcium-containing minerals in the high-calcium scheelite.

The invention discloses a selective breeding method for a black glutinous maize inbred line, which includes the following steps: (1) Jinnuo No. 8 is chosen as female parent and Suyunuo No. 5 is chosen as male parent for hybridization, so that hybrid ears are obtained; (2) after the seeds of the hybrid ears are planted, Jinnuo No. 8 is used as the male parent for backcross, so that backcrossed ears are obtained; (3) after being planted, the seeds of the backcrossed ears are bagged to be inbred, ears with black cobs and seeds are chosen, each ear is separately threshed, the seeds of each ear are planted in a row, and thereby different ear rows are formed; all the individual plants in each ear row are bagged to be inbred, so that inbred ears are obtained, and the inbred ears in the different ear rows are separately harvested; (4) the ear rows in which both the cobs and seeds of all the inbred ears are black are chosen to be left, the seeds of the inbred ears are planted, and according to stress resistance and qualitative character, the excellent individual plants are chosen to be continuously inbred for three generations, so that the black glutinous maize inbred line is obtained. The black glutinous maize inbred line has the advantages of rich nutrition, unique taste, thin pericarp, high glutinousness, high stress resistance, wide applicability and excellent agronomic character.

The invention discloses a method of propagation by cuttings for dracaena cochinchinensis SC chen, which consists of selecting branches of dracaena cochinchinensis SC chen trees with an age of over two years, cutting the upper end of the branches, cutting the lower end to 40-50 degree of inclined surface, sealing the upper extreme tangent plane of the grafting ear with paraffin wax, immersing the lower end tangent plane in aqueous solution of root-producing powder, carrying out cuttage by the conventional process and transferring into large field planting.

The invention aims at a multipath power distribution branch circuit with an intelligent breaker and provides a ship power distribution monitoring information acquisition system which is characterized by comprising a main control box and N subcontrol boxes, wherein each subcontrol box is independently connected with the main control box; the main control box comprises a field acquisition and communication module, a data processing module and a network communication module, wherein the field acquisition and communication module in the main control box is directly connected with the intelligent breaker arranged on the required monitored power distribution branch circuit in parallel and is used for collecting data, the input end of the data processing module is connected with the field acquisition and communication module in the main control box and the subcontrol boxes, the data processing module is used for processing all data collected by the main control box and the subcontrol boxes and reporting a result to the network communication module, and the result is transmitted to an upper-layer monitoring network by a two-way CAN bus; and each subcontrol box comprises a field acquisition and communication module and a retransmission unit, wherein the field acquisition and communication module is connected with the intelligent breaker arranged on the required monitored power distribution branch circuit and is used for transmitting the collected data to the main control box from the retransmission unit.

The invention discloses a chili hydroponic method which includes the following steps that 1, chili seeds are cleaned, sterilized and wrapped with wet gauze till white buds are exposed; 2, roots are downwards placed into small holes formed in a sponge block, and then the sponge block is placed into a seedling nutrient solution for seedling culture; 3, the sponge block after seedling culture is transferred into a circular hydroponic nutrient solution for culture. According to the chili hydroponic method, growth throughout the whole year can be achieved under the red light ranging from 650 nm to 670 nm, the blue light ranging from 440 nm to 460 nm and the compound light, meanwhile three-dimensional culture can be conducted, the yield in unit area is high, no plant disease and insect pest exist, and growth of plants can be adjusted under an artificial light source.

The invention relates to a preparation method of a highly branched polyvinyl alcohol-acrylamide graft copolymer. After dissolving the polyvinyl alcohol in water, blowing nitrogen gas, lowering the temperature, adding a catalyst, reacting for 10-30 minutes, and then adding a monomer mixture solution dropwise , control the dropping time for 30-90 minutes, during which the reaction temperature is controlled between 65°C-95°C, after dropping, control the temperature between 85°C-95°C for 20-30 minutes, add catalyst, and continue at 80°C React at ‑95°C for 15-25 minutes, add catalyst, take samples during the reaction to measure the viscosity, after the viscosity reaches 1500-15000 mPa.s at 25°C, add a terminator to stop the reaction, adjust the solid content, and the product is ready. The graft copolymer of the present invention has high molecular weight, many branched chains, low viscosity, less gel, good retention, and strong anti-interference ability of impurities. As a dry strength agent for papermaking, it can also Satisfactory enhancement effect is achieved.

The invention discloses a method for producing active carbon from salix mongolica branches through pyrolysis. The method comprises the following steps of: a, removing impurities salix mongolica branches, air-drying or drying and crushing the salix mongolica branches after impurity removal; b, placing the crushed salix mongolica branches in a rotary furnace, carbonizing the salix mongolica branches under a protective gas; c, introducing a gas activating agent for activating after the carbonizing; and d, taking the activated active carbon out from the rotary furnace, rinsing, screening, detecting, and finally packaging to obtain an active carbon finished product. The active carbon is produced by using the salix mongolica branches as raw materials, and thus a large quantity of waste branches in the process of norusihing the salix mongolica shrubwood is utilized. The raw materials for preparing the active carbon are easily available, and are low in cost. The active carbon is produced from the salix mongolica lopsticks, and thus the salix mongolica lopsticks are recycled, the production cost of the active carbon is lowered, the new variety of the active carbon is developed, the comprehensive development and utilization of the salix mongolica can be promoted, and the development space of the active carbon industry is enlarged.

The invention provides a Trichoderma reesei host cell obtained by screening, and the preservation number is CCTCC NO:M2016726. The Trichoderma reesei host cell provided by the invention can be used for expressing one or more endogenous or heterologous proteins. On another aspect, the invention provides a Trichoderma reesei recombinant strain, which is obtained by transforming an expression vectorcarrying a target gene into the Trichoderma reesei host cell. The mutant strain Trichoderma reesei U11 obtained by mutagenesis has thick and short hypha and dense mycelia with more branches, can significantly lower the viscosity of the fermented bacteria liquid and reduce the purposes of lowering the stirring speed and increasing dissolved oxygen, and is more conducive to high-density fermentationof strains. The Trichoderma reesei U11 can be taken as a novel host cell and widely applied to recombinant expression of homologous or heterologous genes.

The invention discloses an active low-voltage power distribution network fault positioning optimization method based on a hierarchical model. The active low-voltage power distribution network fault positioning optimization method comprises the following steps of: performing hierarchical equivalence on a power distribution network; setting a plurality of monitoring nodes and reporting monitoring information; encoding a fault state of a fault current information monitoring section reported by means of the monitoring nodes; constructing a monitoring node switching function of the power distribution network by utilizing a monitoring node switching state information matrix and a section state information matrix; introducing a decision-making variable Di of information distortion to form a faulthypothesis vector; and introducing a section state Si and a distortion factor into the design of the decision-making variable to design a target function. According to the active low-voltage power distribution network fault positioning optimization method, a weight coefficient of a key node is optimized, stability and precision of a positioning algorithm are provided, a fault information reporting threshold value is designed according to access conditions of distributed power supplies of an actual low-voltage power distribution network, the number of the distributed power supplies in the model is reduced, the hierarchical model is optimized, positioning efficiency and precision are improved, and the operation management level of a power supply department is improved.

The invention relates to a method for preventing and treating ginger seasonal febrile disease. The method includes ecological treatment by applying Difulai microbe fertilizer to effectively suppress fungi and nematodes in the soil and root insect diseases; agricultural preventing and treating; biological control; biological preventing and treating; physical preventing and treating by strictly selecting seed variety before harvesting, selecting, individually harvesting and storing disease-free robust plants with strong growth vigor and multiple branches; and chemical preventing and treating by pouring root with 1:1:100 bordeaux mixture once for every 10-15 days for 3-5 times continuously during the initial disease phase, and spraying proper amount of the mixture on leave surfaces while pouring root. The method can effectively preventing ginger seasonal febrile disease, lower average incidence of ginger seasonal febrile disease, increase yield, substantially improve ginger level, and obtain good economic benefit.

The invention provides an automatic crop root system cleaning device which comprises a cleaning rack, wherein a cleaning barrel, a settling barrel, a cleaning rotary drum, power drive equipment, an ultrasonic generator, an energy converter and a water in-out system are arranged in the cleaning rack; the ultrasonic generator is connected with the energy converter; the energy converter is mounted on the cleaning barrel; the cleaning barrel and the settling barrel are barrel-shaped with upper openings; more than one partition board is vertically arranged in the cleaning barrel at intervals and separates the interior of the cleaning barrel into spaces mutually independent to each other; the bottom of each partition board is higher than that of the cleaning barrel; two layers of or more than two layers of collecting net discs are transversely arranged in the cleaning barrel; the collecting net discs on the lowest layer are positioned on the bottom edges of the partition boards and positioned above the bottom of the cleaning barrel; the collecting net discs are detachably connected with the cleaning barrel and positioned on the two sides of the partition boards. The automatic crop root system cleaning device solves the problems that the root system cleaning operation is tedious and time-consuming, loses the root system, and is poor in cleaning quality.

The invention discloses a black and odorous water body treatment and restoration system. The system has the advantages of low investment cost, favorable nitrogen / phosphorus removal effect, stable operation and the like, and is convenient for installation. The system comprises a biochemical in-situ reinforced treatment region and an aquatic plant restoration region, wherein the biochemical in-situ reinforced treatment region is an integrated water body in-situ restoration facility, and is mainly composed of a main body frame, an aerator, a cofferdam, a drawer-type filler unit, a floating-type biological filler, an aeration main pipe, a fan, a fan hood, a floater and a fan support; the aquatic plant restoration region is an ecological floating island restoration system and is composed of a planting net and aquatic plants; the aquatic plant restoration region is distributed around the biochemical in-situ reinforced treatment region; the cofferdam of the biochemical in-situ reinforcement treatment region divides the biochemical in-situ reinforced treatment region and aquatic plant restoration region into two independent regions; and water purified by the biochemical in-situ reinforced treatment region flows to the surrounding aquatic plant restoration region from the upper edge of the cofferdam.

The invention discloses a plant culture substrate conditioner and a preparation method thereof and a method for using the conditioner for preparing a composite culture substrate. The substrate conditioner comprises alga residues, coconut fibers and phosphorite. The composite culture substrate prepared through the substrate conditioner is balanced in nutrition, high in nutrient content, stable in physical property and reasonable in nutritional structure. The prepared composite culture substrate has good cation exchangeability and adsorbability, can adsorb a large amount of salt with a buffer effect, has a buffer effect and can obstruct rapid changes of pH values and EC values, the acid-base environment of the substrate is regulated, the effect that nutrients are slowly released is achieved, breathing and growth of plant root systems are promoted, absorption of the nutrients by the root systems is promoted, plant growth requirements are met, the survival rate of plant culture is raised, and the appreciation effect is improved.

The invention discloses an asexual rapid propagation method for lithocarpus areca. The method comprises the steps of: scion collection; grafting time; grafting; and post-grafting management. The method specifically comprises: selecting a quercus variabilis container seedling as a rootstock; clipping robust and pest-free branches which are from being semi-lignified and lignified from a seed tree of lithocarpus areca as scions; performing grafting by adopting a cleft grafting method; and performing post-grafting management till grafted seedlings of lithocarpus areca obtained in spring in the next year can be discharged out of a garden for afforestation. The method disclosed by the invention is a breakthrough of an asexual propagation technology for lithocarpus areca. By performing propagation by grafting by using the quercus variabilis rootstock, quercus variabilis container seedlings which maintain excellent economical character of a mother parent are massively and rapidly propagated, and the root systems of the seedlings are developed. By virtue of the advantageous characteristic that the quercus variabilis rootstock has a relatively strong adaptive capacity to natural environments such as drought and barren environments, scions and rootstocks of the lithocarpus areca seedlings can be quickly healed and germinate new tips, and the germinated new tips are quick to grow, so that high-quality, high-efficiency and quick development of lithocarpus areca are accelerated. The preparation method has relatively good economical benefit, social benefit and ecological benefit.