136results about How to "Easy to absorb water" patented technology

The invention discloses a multifunctional matrix soilless culture method and device. The method comprises the following steps of: filling culture matrix into a porous culture container; placing the porous culture container filled with the culture matrix into a culture bed groove; reserving gaps between the inner wall of the culture bed groove and the porous culture container to form a root exogenous space; planting plants on the porous culture container with the culture matrix; covering the upper opening of the culture bed groove with a covering substance; reserving a plant fixing hole or growth port at the position, wherein the plant is planted, on the covering substance, so that a heat-preserving, a humidity-preserving and black environment is formed in the culture bed groove; and supplying water or nutrient solution to the culture matrix in the porous culture container, wherein in the growth process of the plant, the root grows to permeate the gaps of the porous gap culture container to grow into and out of the culture container and in the space in the bed groove. By the soilless culture method and the soilless culture device, good growth environment and balanced supply of nutrients and water of the root can be guaranteed; and different irrigation modes are suitable, such as the soilless culture method for culturing various crops, the matrix culture method and the matrix and water composite culture method.

The invention provides a novel heat insulating plate. Active components of the novel heat insulating plate comprise 70-95 parts by weight of inorganic heat insulating particles and 5-30 parts by weight of an organic coating membrane material, wherein the outer surfaces of all inorganic heat insulating particles are coated with the organic coating membrane material to form 'capsule' type inorganic-organic composite heat insulating units, subsequently the 'capsule' type inorganic-organic composite heat insulating units are connected together by using a curing agent, and then a plate is formed in a mold, namely the novel heat insulating plate is obtained. The novel heat insulating plate disclosed by the invention can be used for improving the mechanical strength, also preventing exposure and water absorption of the inorganic heat insulating particles and limiting the air inside the 'capsule' type inorganic-organic composite heat insulating units as well so as to effectively reduce air motion inside the plate and reduce convective heat transfer, thus the heat conductivity coefficient is relatively as low as 0.032W / (m.K) to 0.040W / (m.K) and A-grade non-ignition can be truly realized, and therefore the novel heat insulating plate has both excellent fireproof performance and relatively-good heat insulation performance.

The invention discloses a method for preparing a composite porous scaffold. According to the method, silk fibroin, collagen and chitosan are compounded together to form the white spongy composite porous scaffold. The porous scaffold prepared by the method can be applied in the technical fields of filling and repair of tissues and wounds, tissue engineering, medicament release and the like. The porosity of the prepared composite porous scaffold reaches more than 98 percent, the size distribution is 50 to 400 microns, and micro pores are intercommunicated. The obtained composite porous scaffold can keep the original form after being soaked into water, has the function of sponge, and can recover the original form after extrusion.

A cold storage method without boiling for reeling silk includes cold storage of fresh cocoon, loading in netted basket, putting in vacuum tank, vacuumizing, hot water osmosis, discharging water and repeating relative steps. Its advantages are high efficiency and high quality.

The invention belongs to the field of metallurgy, and in particular relates to a method for smelting magnesium through vacuum thermal reduction of precast pellets. The method comprises the steps of: uniformly mixing dolomite, a reducing agent and fluorite by mass, and then adding a binding agent; preparing raw pellets with diameters of 5-20mm by using a disk pelleting machine; calcining the raw pellets under a nitrogen or argon protection atmosphere to obtain calcined cured pellets; and carrying out vacuum thermal reduction for 0.5-2 hours on the calcined cured pellets at a temperature of 1150 DEG C under the vacuum degree of 10 Pa to obtain the magnesium. The method has the advantages of high raw material utilization rate, high reduction rate, short reduction period, low energy consumption and the like; and compared with the traditional ferrosilicon process for smelting the magnesium, the method realizes the technical upgrading of the ferrosilicon process for smelting.

The invention relates to a test method for studying high-temperature stress on wheat, and belongs to the field of plant seedling high-temperature stress tests. The test method comprises the following steps: seedling culture, variety selection, sodium hydrosulfide solution preparation, sodium hydrosulfide solution spraying, sodium hydrosulfide solution concentration optimization, sodium hydrosulfide solution spraying time and frequency optimization and the like, wherein seedling culture comprises seed selection, soaking of seeds in clean water, seed soaking and sterilization, seed soaking at a constant temperature, germination acceleration, secondary seed selection, seed arrangement, seedling acceleration, seed picking and seedling. Seedling selection and optimization is performed multiple times in the period from seed soaking to seedling transplanting during seedling, therefore, consistency of initial test materials is guaranteed. The sodium hydrosulfide solutions of different concentration are sprayed to wheat seedlings cultivated for 20 days for high-temperature stress relieving tests, and concentration, spraying time, spraying frequencies of the sodium hydrosulfide solutions are optimized; besides, in combination with optimization and innovation of a sampling method during material drawing in the test, the accuracy of final test data can be better guaranteed from test design, procedures and results, therefore, great benefit is provided for final disclosure of physiological and biochemical changes after test treatment.

The invention discloses a liquid culture method of wheat seedlings and belongs to the technical field of plant seedling culture. The method comprises the steps that seed selection, clean water soaking, seed soaking sterilization, constant temperature seed soaking, accelerating germination, secondary seed selection, seed arrangement, seedling hastening, seedling picking and seedling growing. In the method, in the process from seed soaking to seedling transplanting, multiple times of seed and seedling optimizing and filtering are performed, solid substrate cultivation is changed into liquid cultivation, the problems of missing seedlings and more abnormal seedlings occurring during solid substrate cultivation can be avoided, the growing uniformity of test materials can be guaranteed during seedling transplanting, and the principle that the single variant is controlled in the experiment design can be well matched. After seedling hastening, enough constantly grown seedlings with high purity can be obtained by one time and used for follow-up test, and the difficulties that the test materials grow not uniform, the malformed seedlings are too many and the seedling growth is weak caused due to the fact that wheat seeds are sowed directly can be eliminated.

The invention discloses a gardenia multi-branch floating bed water planting cuttage method. The gardenia multi-branch floating bed water planting cuttage method is characterized by comprising the following steps that a large branch with 3-5 shoots is selected, the diameter of the root of the branch is larger than 0.5cm, terminal buds grow on the two sections of the shoots, and 3-5 leaves are left for each shoot; the root part, with the length ranging from 2cm to 5cm, of the branch is immersed into the mixed solution of alpha-naphthylacetic acid and indolebutyric acid to be dipped for 2-3 seconds; a sunshade net shed with the 50% sunshade ratio is established on the outdoor cleaning water surface, and cutting slips are inserted into plastic foam which serves as a cuttage support to be cultured and protected. The gardenia multi-branch floating bed water planting cuttage method has the advantages that the water surface floating bed cuttage is adopted, the oxygen in the water is sufficient, the forming of the callus is facilitated, the water temperature is stable, the temperature difference between day and night is small, the air humidity on the water surface is high, the branch absorbs water easily, the leaves cannot wither and fall even when encountering water loss and can carry out the photosynthesis to synthesize nutrient substances, the root system is well developed, the ability of absorbing nutrients is strong, the survival rate in the process of cultivation is high, and the growing speed is high; frequent spraying and water changing are omitted, managing links such as intertillage and weeding in a nursery garden land and workloads are removed, the gardenia multi-branch floating bed water planting cuttage method is simple and easy to implement, and mass propagation can be achieved.

The invention discloses compound fresh-keeping tartary buckwheat noodles and a preparation method thereof, belonging to the field of noodle products. The compound fresh-keeping tartary buckwheat noodles are prepared from composite flour and water, wherein the weight ratio f the composite flour to the water is 100:(30-35); the composite flour comprises the following raw materials in percentage by weight: 68 to 80 percent of tartary buckwheat flour, 1 to 18 percent of soybean meal, 8 to 10 percent of high-gluten wheat flour, 5 to 7 percent of wheat gluten and 1 to 2 percent of refined salt. According to the compound fresh-keeping tartary buckwheat noodles and the preparation method thereof, the compound fresh-keeping tartary buckwheat noodles are prepared by a refrigeration method, a microwave thawing method, a supermicro method and other methods, has a pure taste, and is full of nutriments, the addition of a preservative is avoided, the sugar content of the compound fresh-keeping tartary buckwheat noodles is lowered, the active gluten content and the natural plant protein content are increased, the ductility, the plasticity and the water binding capacity of the fresh-keeping noodles are improved, and meanwhile, the bitterness of the tartary buckwheat noodles and the beany flavor of the soybean meal are reduced; the compound fresh-keeping tartary buckwheat noodles are difficultly cooked into paste when being cooked, easy to thoroughly cook, chewy and important for the enhancement of an insulin function and the reduction of blood sugar, so that compound fresh-keeping tartary buckwheat noodles are ideal health food for diabetes.

The invention discloses a powdery ridge cultivation method for economic forests on hilly lands. The powdery ridge cultivation method particularly includes performing powdery ridge cultivation on stone-free regions of soil layers on the selected gentle hilly lands, to be more specific, deeply cultivating the middles of cultivation zones on the hilly lands by the aid of rotary cultivation spiral machines, shallowly cultivating two sides of each cultivation zone, smashing soil simultaneously, naturally ridging the cultivation zones after the soil is loosened by means of deep cultivation, and forming 'T'-shaped ridge pieces with oblique planes at certain angles; cultivating and planting the economic forests. The soil layers are positioned below the ground by the depths of 60cm. Shallow loose soil ditches are formed on two sides of each 'T'-shaped ridge piece and encircle the 'T'-shaped ridge piece. The powdery ridge cultivation method has the advantages that the powdery ridge cultivation method is particularly applicable to cultivating and planting fruit trees, wood, tea leave plants, oil crops, traditional Chinese medicinal materials and flowering plants, and has an important significance on controlling loss and destruction of water and soil resources of the hilly lands in China, protecting, improving and reasonably utilizing the water and soil resources, maintaining and improving the land productivity, developing production, improving ecological environments, reducing natural disasters such as flood, drought and mudslide, increasing economic benefits and ecological benefits and implementing cyclic development.

The invention discloses a multifunctional polyester fabric and a preparation method thereof. The multifunctional polyester fabric is prone to water absorption, water drop spreading time is 1 second minimally, the fabric has super-oleophobicity on soybean oil, a contact angle of the soybean oil is kept at 150 degrees or above, soybean oil on the fabric surface can be removed by gentle flushing withclear water or soaking in clear water, and the fabric is excellent in antistatic performance. The preparation method includes steps: uniformly coating the surface of the polyester fabric with solution containing a photoinitiator, a cross-linking agent, a photoactive hydrophilic monomer and an oleophobic monomer; exposing the coated fabric under ultraviolet light. The multifunctional polyester fabric has advantages that oil resistance is realized, moisture absorbing, sweat permeation and antistatic efficacies beneficial to comfort in wearing are achieved, and an extremely high practical valuein the field of functional textiles is achieved.

The invention discloses a factory type construction waste resourceful treatment system and a technological process of the factory type construction waste resourceful treat system and belongs to the technical field of construction waste treatment. The factory type construction waste resourceful treatment system comprises a pretreatment unit, a homogenized drying unit and a recycled material processing production unit which are arranged in sequence. The layout of the technical scheme includes that no matter how the specification and the size of the components and the moisture content of the construction waste change, the normal production of three recycled materials of the construction waste resourceful treatment can not be influenced; and no matter how the three recycled materials of the construction waste resourceful treatment are adjusted, combined and changed, the normal production of the construction waste pretreatment can not be influenced. The processing and production of the recycled materials refer to breaking and grinding of the construction waste residue after harmless treatment, stripping of mishmash, homogenization and drying, the moisture content of the construction residue can be basically controlled below 6%, and therefore smooth production can be achieved.

The invention belongs to the technical field of mining rock mass mechanics engineering, and specifically relates to a device and a method of simulating iron ore open pit-into-underground mining induced strata movement. According to the device, a 3D physical model taking the actual joint fissure condition of a rock mass into consideration is built by use of a most similar material proportioning plan, so as to reproduce the whole process of strata movement and destruction induced by mining and the laws of deformation and destruction and to provide reasonable and effective suggestions for the prevention and control of geological disasters in a mine environment.

The invention discloses soluble dietary fiber biscuits rich in wheat bran and a making method of the soluble dietary fiber biscuits. The soluble dietary fiber biscuits comprise the following components in percentage by mass of 10-20% of wheat bran soluble dietary fibers, 10-15% of refined vegetable oil, 5-10% of a sweetening agent, 0.2-1.0% of a fermenting agent, 0.1-0.5% of a loosening agent, 0.1-1.0% of seasoning, 0.1-0.5% of an emulsifying agent, 0.1-1.0% of a food additive, and the balance of flour or other powder for the biscuits. The making method of the biscuits comprises the making processes of making a base material of soluble dietary fibers by a coupling method of ultrasonic wave pretreatment and enzymolysis with complex enzymes on the wheat bran, and then processing biscuits products rich in soluble dietary fibers. According to the soluble dietary fiber biscuits, the mouth feel of products is improved, the texture of the products is improved, absorption of functional dietaryfibers can be promoted, and the nutrient value of the soluble dietary fiber biscuits is increased. The method is simple in technology, convenient to operate and low in equipment investment, and the used raw materials are low in cost and easy to obtain. The soluble dietary fiber biscuits disclosed by the invention are suitable for industrialized production and have favorable economic benefits andapplication prospects.

The invention relates to a method for producing iron drying filter of refrigerator and air conditioner or the like. The invention uses steel band via high-frequency welding to obtain steel tube, to be cut into steel tubes, then treats the inner and outer faces of the steel tube, stuffs a filter screen, a molecule screen, and a copper cap, plates paint on the face of the blank, and vacuums and packs. The invention can effectively reduce the cost of filter.

The invention provides a preparation method of a biomass charcoal composite fuel for blast furnace injection, which comprises the following steps: mixing crushed biomass raw materials and low metamorphic coal, carrying out hydrothermal carbonization treatment, then mixing with preheated high metamorphic coal, carrying out heat preservation, and finally carrying out hot pressing treatment. According to the method, the yield of biomass hydrothermal carbonization is increased by utilizing mineral substances in the low-rank coal, and meanwhile, ash, volatile components and water in the low-rank coal can be partially removed, so that the caking property is improved. And then the mixture is mixed with the preheated high-metamorphic coal, so that the ignition point of the mixture can be improved, the explosiveness of the mixture is reduced, and the ash fusion point of the composite fuel can be further improved by utilizing the characteristic of high ash fusion point of the high-metamorphic coal. The biomass charcoal composite fuel can completely replace fossil fuel to be used for blast furnace injection, the emission amount of carbon dioxide and pollutants in the ironmaking production process is reduced, and in addition, the fuel formed through hot pressing has the advantages of being large in volume density and high in compressive strength and is suitable for long-distance transportation and long-term storage.

The invention discloses a ruthenium catalyst for synthesis ammonia and a preparation method thereof, and relates to a synthesis ammonia ruthenium base catalyst adopting a CeO2-La2O3 composite oxide asa carrier and adopting ruthenium as an active component and a preparation method thereof. The catalyst is applicable to a synthesis ammonia reaction adopting nitrogen and hydrogen as raw materials. The preparation method of the catalyst comprises the steps that cerous nitrate and lanthanum nitrate are adopted as raw materials, a precipitant is added to obtain precipitates through a co-precipitation method, and then calcination is performed to prepare the CeO2-La2O3 composite oxide; after a chloride-free ruthenium compound is dried, the compound is dissolved into an alcoholic solution to obtain a ruthenium precursor alcoholic solution; the ruthenium precursor alcoholic solution is introduced into the composite oxide for dipping; after drying reduction, the ruthenium base synthesis ammoniacatalyst is obtained. Compared with existing cerium oxide and La-Ce mixed oxide loaded ruthenium base ammonia synthesis catalysts, the catalyst has the high ammonia synthesis activity, and the good application prospect.

The invention discloses nitrogen fixation nutrient soil which is prepared from, by weight, 50-70 parts of field soil, 20-40 parts of humus soil, 10-20 parts of peat soil, 5-7 parts of wormcast, 8-12 parts of rotten sawdust, 6-8 parts of rice chaff ash, 10-15 parts of rotten duck manure, 5-7 parts of rotten seabird manure, 7-11 parts of humic acid, 1-3 parts of candy pomace, 8-12 parts of urea, 5-8 parts of ammonium dihydrogen phosphate, 8-12 parts of potassium phosphate, 2-4 parts of potassium chloride, 0.006-0.008 part of ferric sulfate, 1-2 parts of magnesium sulfate, 0.01-0.02 part of manganese carbonate, 1-2 parts of sodium silicate, 0.02-0.03 part of ammonium molybdate, 0.005-0.007 part of copper chloride, 8-10 parts of rhizobia bacteria liquid, 2-4 parts of filing materials, 1-2 parts of sodium alginate tech grade and 0.3-0.6 part of calcium chloride. The invention further discloses a preparation method of the nitrogen fixation nutrient soil.

The invention relates to a preparation method of a composite material, particularly relates to a preparation method of a plastic-wood composite material and belongs to the technical field of materials. The preparation method of the plastic-wood composite material comprises the following steps: (1) granulating by using plant fiber: granulating plant fiber into cylindrical granules with diameter of 1-8mm and length of 5-50mm by using granulating equipment; (2) mixing: mixing the cylindrical granules with plastic and an additive to obtain a mixture; (3) preparation of a composite material: adding the mixture into a plastic-wood granulating extruder, extruding the mixture into molten blocks, crushing the molten blocks into soft and dry small granules, and finally cooling the granules to the temperature below 60 DEG C to obtain the granules of the plastic-wood composite material; and (4) extruding the granules of the plastic-wood composite material into plastic-wood profiles by using a twin-screw extruder.

The invention relates to an improved method for preparing aromatic ketone, which is characterized in that: in the presence of iron sesquioxide catalyst, benzene or substituted benzene and acid anhydride are reacted to prepare the aromatic ketone, wherein the substituted benzene refers to a benzene molecule ring on which one hydrogen atom or two hydrogen atoms is / are substituted by a substituted group, and the substituted group is alkyl, hydroxy or methyl ether group containing 1 to 7 carbons; and the prepared aromatic ketone is mixed aromatic ketone, one single bond of the carbonyl of the aromatic ketone is connected with the alkyl containing 1 to 4 carbons, while the other single bond is connected with the benzene or the substituted benzene. The reaction temperature is between 60 and 150 DEG C; the molar ratio of the benzene or the substituted benzene to the iron sesquioxide catalyst is 1: 0.0001-0.005; and the molar ratio of the benzene or the substituted benzene to the acid anhydride is 1: 0.5-2. The using amount of the iron sesquioxide is far less than that of aluminum chloride in the prior art, the reaction condition is mild, the method does not need to strictly isolate air,the product has good color and texture, the post treatment is simple, and the preparation process does not produce hydrogen chloride and is a green chemical process.

The invention discloses a gas-permeable sport ware shell fabric. The gas-permeable sport ware shell fabric comprises a base layer made from a latex foaming material, wherein the surface of the base layer is adhered with a first elastic layer, the other surface in contact with the human skin is adhered with sweat-absorbent cloth, and gas-permeable holes are correspondingly formed in the first elastic layer and the sweat-absorbent cloth respectively. The base layer of the gas-permeable sport ware shell fabric is made from the latex foaming material, is good in gas-permeable performance, is liable to absorb water, and can dry quickly; moreover, the latex foaming material also has a good damping effect; the other surface in contact with the human skin simultaneously is adhered with the sweat-absorbent cloth, sweat of a wearer generated in sports is quickly absorbed through the sweat-absorbent cloth, the gas-permeable holes are additionally formed, the gas permeability is good, the production of sweat for the wearer can be reduced in sports, and the shell fabric is more beneficial for the evaporation of sweat.

The invention relates to a plastering gypsum special for autoclaved aerated concrete products. The plastering gypsum comprises the following raw materials by weight: 250-300kg of building gypsum, 700-750kg of fine sand, 1.0-1.2kg of a water reducing agent, 0.3-0.5kg of a retarder, 0.7-1.0kg of a water retaining agent, 0.5-0.7kg of a tackifying agent, and 1.0-1.2kg of a fiber material. The invention fully utilizes the power plant waste desulfurized gypsum as the building gypsum, and fine aggregate and admixtures are incorporated to prepare the plastering gypsum special for autoclaved aerated concrete products. The plastering gypsum has the advantages of high water-retention rate, strong adhesion, slight expansion, excellent cracking resistance and the like, also has the characteristics of good fire resistance and adjustment of indoor air humidity, etc., thus further improving the construction safety and comfort.

The invention discloses a composition utilizing diatomite as carriers, a preparation method and application of the composition. The composition comprises diatomite, calcium hydroxide, nano titanium dioxide, nano zinc oxide, shell powder, tourmaline powder, vermiculite powder, glucoside, lysine, etherified starch, seaweed glue, polyethylene glycol, mannitol, glycerin, glucose, manganese dioxide and water. The composition not only can be used for decorative materials to absorb indoor formaldehyde, ammonia gas and other gases with irritating odor, but also can be used for sewage treatment to reduce contents of harmful substances such as heavy metal ions, phosphorus, low-molecular-weight aldehydes and the like.

The invention relates to a concrete maintenance material and a preparation method thereof. The maintenance material comprises gauze, polyacrylamide and liquid paraffin by the ratio of area to weight per square meter: (10g to 50g): (10g to 20g); the method comprises the following steps that: the gauze is wetted and unfolded, and then the powdery polyacrylamide is uniformly sprayed on the gauze; after the polyacrylamide is dissolved into the water in the gauze, the gauze is dried; and finally the liquid paraffin is uniformly applied on any one side of the front side and the back side of the gauze at random, and the required product is prepared. The invention has the advantages of simple manufacturing and convenient use, can be adhered on a concrete template with water, effectively improve the water retention on the surface of the concrete, scatter early shrinkage stress, and prevent microcracks that large-volume concrete is easy to have in the early period.

The invention discloses a preparation method for landscape bonsai, and relates to the field of agroforestry gardening. The preparation method is characterized by: mixing special-type vermiculite, carbonizing rice hull, cement, 108 glue, water and the like according to a ratio of 4:2.5:1:1:3r; or casting the resulting mixture into a die to form a artificial hill; or piling the resulting mixture to solidify into a artificial hill blank, followed by carrying out sculpturing to form the artificial hill. The landscape bonsai provided by the present invention has advantages of easy and available raw materials, low cost, and facilitates the growth of plants and mosses. In addition, the preparation method provided by the present invention can be applicable for preparation of the miniature bonsai or the large-scale landscape.

The invention discloses stomach invigorating bread which is prepared from, by weight, 400-410 parts of wheat flour, 4-5 parts of salt, 6-7 parts of yeast, 10-11 parts of cane sugar, 12-13 parts of shortening, 10-11 parts of Chinese yam, 10-12 parts of sticky rice, 8-9 parts of hawthorn fruits, 1-2 parts of endothelium corneum gigeriae galli, 2-3 parts of poria cocos, 1-2 parts of dried orange peel, 2-3 parts of amomum, 10-11 parts of dried honey powder, 3-3.2 parts of beta-cyclodextrine and 0.3-0.4 parts of allicin. According to the bread, the dried honey powder replaces part of cane sugar, improves the water-holding capacity of the bread and has an inhibition function on starch retrogradation. Meanwhile, the specific volume of the bread can be increased through the dried honey powder, so that the color of the bread is darkened, the texture property becomes better, mildew can be inhibited by adding allicin, the shelf life of the bread is prolonged, and the bread can invigorate the stomach.

The invention relates to a test method for studying high-temperature stress on wheat, and belongs to the field of plant seedling high-temperature stress tests. The test method comprises the following steps: seedling culture, variety selection, sodium hydrosulfide solution preparation, sodium hydrosulfide solution spraying, sodium hydrosulfide solution concentration optimization, sodium hydrosulfide solution spraying time and frequency optimization and the like, wherein seedling culture comprises seed selection, soaking of seeds in clean water, seed soaking and sterilization, seed soaking at a constant temperature, germination acceleration, secondary seed selection, seed arrangement, seedling acceleration, seed picking and seedling. Seedling selection and optimization is performed multiple times in the period from seed soaking to seedling transplanting during seedling, therefore, consistency of initial test materials is guaranteed. The sodium hydrosulfide solutions of different concentration are sprayed to wheat seedlings cultivated for 20 days for high-temperature stress relieving tests, and concentration, spraying time, spraying frequencies of the sodium hydrosulfide solutions are optimized; besides, in combination with optimization and innovation of a sampling method during material drawing in the test, the accuracy of final test data can be better guaranteed from test design, procedures and results, therefore, great benefit is provided for final disclosure of physiological and biochemical changes after test treatment.

The invention discloses a high-performance lithium ion battery composite cathode material and a preparation method thereof. The cathode material comprises a nickel-based lamellar cathode material subjected to polyvinylidene fluoride pretreatment and serving as a first electrode material, and an olivine cathode material which completely coats the first electrode material through lamellar graphene;the graphene accounts for 0.1-0.5% of the total mass of the composite cathode material; polyvinylidene fluoride accounts for 0.5-2.0% of the mass of the composite cathode material; the olivine cathodematerial accounts for 5-20% of the total mass of the composite cathode material, and the balance is the nickel-based lamellar cathode material; a particle diameter ratio of the nickel-based lamellarcathode material to the olivine cathode material is 50 : 1 to 300 : 1. A conductive network is formed among the nickel-based lamellar cathode material, the olivine cathode material and the graphene, so that the ion transmission is facilitated; the structure is firm, so that the discharge capacity of the composite cathode material is higher than that of any one component material; and compared witha traditional nickel-based lamellar cathode material, the nickel-based lamellar cathode material is improved in capacity performance, rate performance, cycle performance and safety performance.

The invention discloses a making method of original-taste rapid-expansion instant tremella slices. The method comprises the steps that tremella fruiting bodies are cleaned to remove impurities and then soaked in tap water of which the pH value is regulated, soaking is conducted at 20 DEG C to 30 DEG C till tremella fully absorbs water and expands, the expanded tremella is washed with tap water, slicing is conducted, and the tremella slices are obtained; the tremella slices are steamed with steam under the conditions of 0.15 MPa and 126 DEG C, decompression and degassing are conducted rapidly, vacuum microwave drying is conducted under the conditions of 2.45 GMHz and 60 DEG C till the mass water content is below 9%, and the original-taste rapid-expansion instant tremella slices are obtained. According to the making method, water is reduced by 40%, the production time per batch is about 6 hours, the average time is reduced by 60% or above compared with a frozen ultrasonic processing method, average energy consumption is reduced by 30% or above, and the tremella slices can well keep the special fragrance. The tremella slices expand rapidly by being soaked with boiling water with the temperature of 95 DEG C or above for more than one minute, and the time is shortened by at least 10 times or above compared with tremella slices processed through a conventional method.