30results about How to "Increase fluffiness" patented technology

The invention discloses a soil bioremediation agent and a soil remediation method based on the soil bioremediation agent. The soil remediation method based on the soil bioremediation agent mainly comprises the following steps: S1, soil turning: turning and airing contaminated soil to be remediated; S2, secondary soil turning: performing secondary soil turning and airing on the soil subjected to the step 1; S3, pesticide spraying: spraying a layer of soil bioremediation agent on the surface of the soil subjected to the step S2, standing for at least 3 hours, turning over the soil for at least one time, spraying a layer of soil bioremediation agent again, and then standing for 2-5 days; and S4, water spraying: spraying water to the surface of the soil obtained in the step S3, then ventilating and drying the soil obtained after water spraying is conducted and then completing remediation of the soil. Heavy metal ions such as lead, chromium, cadmium and cobalt in the soil are adsorbed or complexed through the nano phosphate so that the content of the heavy metal ions in the soil is reduced; and organic pollutants are adsorbed through activated carbon powder and chitosan, and the problemof soil pollution is solved.

The invention relates to a preparation method for synthesizing a lithium battery cathode material through a solvent-free solid-phase method. The method comprises the following steps that solid-state high-hydrocarbon fatty acid and / or solid-state high-hydrocarbon fatty acid salt and flake graphite are mixed evenly to obtain a multifunctional auxiliary; the multifunctional auxiliary and raw materials are added into mixing equipment together to prepare a precursor; high-temperature sintering is performed on the precursor after heat treatment is performed on the precursor, and then the lithium battery cathode material is obtained. According to the method, by adding the multifunctional auxiliary of which the main components comprise the solid-state high-hydrocarbon fatty acid and / or the solid-state high-hydrocarbon fatty acid salt in the mixing stage, the problem that diversified scattering of the raw materials is difficult is solved through the lubrication action of high-hydrocarbon fatty acid radicals, metal ions carried by the high-hydrocarbon fatty acid salt can also be evenly dispersed in the precursor in the mixing process to serve as a doping ion source in body doping, and the high-hydrocarbon fatty acid radicals can be decomposed at high temperature to generate gas, so that the fluffy degree of the precursor is increased and hardening is relieved; therefore, generation of oxygen vacancy is reduced in the sintering process, and the prepared lithium battery cathode material has the advantages of being few in defect, excellent in electrochemical performance and the like.

The invention discloses a movable solid-liquid feed mixing and stirring machine. The mixing and stirring machine comprises a movable base and a stirring tank arranged on the movable base; the top endof the stirring tank is fixedly connected with a liquid tank; the bottom of the liquid tank is provided with a plurality of sprinkler heads; the top of the liquid tank is provided with a liquid feed inlet; the liquid tank is connected with a water supply pipeline, the water supply pipeline is connected with a water supply branch, and the water supply branch is fixedly connected to the side wall ofthe stirring tank; an electric heating device is arranged at a water inlet of the water supply pipeline; a granular powder feed box is further fixedly connected to the side wall of the stirring tank,a granular powder feed inlet is formed in the top of the granular powder feed box, and the granular powder feed box is connected with an air blowing pipeline and connected with an air blower throughthe air blowing pipeline; a rotating shaft is arranged in the stirring tank, and a spiral conical auger is arranged on the rotating shaft. The movable solid-liquid feed mixing stirrer provided by theinvention is simple in structure, convenient to use, more uniform and sufficient in stirring and high in stirring efficiency.

An environmental aspect control assembly is configured to control one more environmental aspects. The environmental aspect control assembly may include at least one aspect-controlling portion formed of one or more environmental aspect-controlling materials, and at least one shape-changing actuator operatively connected to the aspect-controlling structure(s). The shape-changing actuator(s) is configured to have a first actuator shape at a first temperature and a second actuator shape at a second temperature that differs from the first temperature. The first actuator shape causes the aspect-controlling structure(s) to form a first structural shape. The second actuator shape causes the aspect-controlling structure(s) to form a second structural shape that differs from the first structural shape.

The invention discloses biological organic fertilizer. The biological organic fertilizer is prepared from the following components in parts by weight: 50 to 60 parts of livestock and poultry manure, 10 to 15 parts of humic acid, 25 to 30 parts of saw dust, 5 to 8 parts of alkaline residue, 10 to 15 parts of aggregate agent, 8 to 10 parts of complex microbial agent, 5 to 8 parts of water retainingagent and 5 to 11.5 parts of agricultural waste. The biological organic fertilizer disclosed by the invention is capable of effectively reducing or solving the situation of soil acidification, meanwhile, an aggregate structure can be generated by soil, the porosity of the aggregate structure can be larger than that of a simple-grain soil structure under the situation that the bulkiness of the soilis ensured, water-through and air-permeable effects are better, the rooting effect of plants can also be better, and good growth of the plant can be ensured; the complex microbial agent is capable ofpurifying harmful substances in the soil, the biochemical degree is high, and the health degree of crops is increased.

The invention relates to the technical field of soil treatment, and discloses a soil disinfection and soil remediation combined method and device. The soil disinfection and soil remediation combined device comprises a box body and a tank body, the upper end of the box body is fixedly connected with the side wall of the tank body through a round opening, an opening is formed in the upper end of the tank body, and a sealing plate is connected to the opening through a lock catch; an air inlet pipe is fixedly connected to the inner wall of the lower end of the tank body, the lower end of the air inlet pipe penetrates through the side wall of the tank body and is fixedly connected with a shell, the shell is of a cylindrical structure, a pressurizing mechanism is connected into the shell, sleeves are fixedly connected to the two sides of the shell, and air supply pipes are fixedly connected to the opposite ends of the two sleeves; right-angle bent pipes are fixedly connected to the two opposite sides of the box body. According to the soil disinfection and soil remediation combined method and device, the volatilization amount and action time of the treatment medicine in the soil can be effectively controlled, the volatilization speed of the medicine on the surface layer and the deep layer of the soil is uniform, and the remediation and disinfection medicine is not prone to inhibiting crop growth.

The invention discloses a flooding wetland 'pool-beach-island' ecological restoration mode, and particularly relates to the technical field of ecological restoration. Continuous vegetation living environments with different water depths are constructed; when the water level rises or falls again, retained species can recover quickly, and the biological succession presents a periodic rhythm under the combined action of the water level and seasons; and an elastic linkage type multi-layer ground net is laid on the terrace, the stability of a transformed terrain can be effectively enhanced, water and soil loss is avoided, the safety of the restored terrain is guaranteed, and thus the ecological restoration effect is guaranteed. On the basis of terrain design, as few and effective engineering measures as possible are carried out, rich and retainable living environment heterogeneity is constructed, technical means such as wave dissipation and alien invasive species inhibition are supplemented, and effective ecological restoration of the flooding wetland is achieved on the basis that original background conditions are reserved as much as possible.

The invention discloses an automatic fine-tuning control device for roller spacing bearded needle relative positions. The automatic fine-tuning control device comprises a loosening machine, a conveying component and at least two claw rollers, wherein the loosening machine is used for loosening and scattering a regular fiber raw material; the conveying component is used for conveying the fiber; theat least two claw rollers are arranged on the loosening machine for loosening and scattering the fiber; the claw rollers are connected with a driving device through a rotary shaft; the claw rollers are provided with the automatic fine-tuning control device for the bearded barb relative positions; the automatic fine-tuning control device comprises a bilateral fine-tuning control device and a vertical fine-tuning control device which are arranged on the claw rollers; the bilateral fine-tuning control device and the vertical fine-tuning control device are arranged in a staggered way in order toadjust the roller pitch of the claw rollers; the fiber is further loosened by adjusting the relative distance of roller on the claw rollers. By adopting the automatic fine-tuning control device, the relative distance of the roller barbs on the claw roller is fine-tuned through the fine-tuning roller, so that good fiber loosening effect, good fiber filling power are achieved; the fiber is looseneduniformly, and the finished product quality is ensured.

The invention discloses a preparation method of a novel antibacterial polyester peach skin imitation fabric. The method is as below: conducting conventional singeing, whitening and drying on blended fabrics; conducting dry sanding; preparing Bacillus licheniformis, Sphingomonas, Lactococcus lactis and Bifidobacterium in the ratio of 1:0.2:1.5:0.1-0.2 into a compound inoculant; evenly spraying the after treatment inoculant on the sanded fabric, and conducting low temperature fermentation at 38 DEG C for 52-65 h; after fermentation, rinsing with warm water, and drying; polishing the modified fabric; and dyeing according to the conventional method, shaping and drying to obtain a finished product. The processing method of the invention is natural environment-friendly and residue-free, does not cause environmental pollution and belongs to the green technology. The prepared polyester peach skin imitation fabric has the advantages of good handle, softness, delicacy, soft gloss, good antibacterial property, and is a novel fabric with a very high market potential; and the prepared polyester peach skin imitation fabric has a greatly improved mellowness compared to ordinary pure cotton polyester peach skin imitation fabric subjected to softening finishing.

The invention relates to the technical field of a concrete admixture and particularly relates to a polycarboxylate superplasticizer and a preparation method thereof. The polycarboxylate superplasticizer provided by the invention is formed by polymerizing the raw materials including monomer A and monomer B, wherein the structural formula of the monomer A is as shown in the specification. The novel polycarboxylate superplasticizer provided by the invention is characterized by high water-reducing rate, good concrete workability, long slump retaining period, low air entrainment, wide flooring adaptability, performance stability, simple preparation process, strong controllability, short production period, low cost and suitability for industrial production.

The invention discloses a pitaya planting method capable of improving sugar of pitaya. The method comprises the following steps of 1 treatment before planting, wherein land clearing is conducted 2 months before planting, and nutrient fertilizer is uniformly applied according to the dose of 3 kg / mu; 2 seedling pretreatment, wherein pitaya seedlings are soaked in a soak solution for 10 min, and then the pitaya seedlings subjected to pretreatment are obtained; 3, planting frame building; 4, planting. The operation method is practical and convenient, the problems of heavy fog, poor ventilation and bad light in the process of shed building and planting are avoided, the defect that pitaya plants are diseased is overcome, and the survival rate is high; the pitaya obtained through the planting method is high in sweetness, richer in nutrition and more beneficial to health of people.

The invention discloses a fermentation system and fermentation method of a carbon-based fertilizer. The fermentation system comprises a material mixing unit for receiving materials and mixing the materials, and a material fermentation unit for fermenting the mixed material, and further comprises a material pyrolysis unit for performing pyrolysis carbonization on partial completely fermented material so as to generate charcoal; the material mixing unit receives the charcoal generated by the material pyhrolysis unit and mixing the charcoal with other received material. A technical problem solvedby the invention is to solve the problem that partial anaerobic situation exists and the fertilizer water is easy to loss in the produced charcoal fertilizer since the conventional aerobic sludge fermentation is easy to cake, and the invention provides the fermentation system and the fermentation method of the carbon-based fertilizer capable of improving the filling power of the sludge and enabling the carbon-based fertilizer to retain fertilizer and eater.

The invention discloses a method for planting dragon fruit. The method comprises the following steps: step 1, pre-planting treatment, wherein land is prepared 2 months before planting, and nutritive fertilizer is uniformly applied according to the amount of 3kg / mu; step 2, seedling pretreatment, wherein the rhizomes of dragon fruit seedlings are washed with distilled water 3 times, soaked in a soaking solution for 10 min, fished out and dried, then the rhizomes are soaked in a soaking solution for 5 min, fished out and dried, finally the rhizomes are soaked in a seed coating agent with the mass fraction of 8% for 2 min, and then pretreated dragon fruit seedlings are obtained; Step 3, planting frame building; step 4, planting. The method for planting dragon fruit is practical and convenient, the problems that fog is large, ventilation is not good and light is poor are avoided in frame building for planting, the defect that dragon fruit plants are infected with diseases is avoided, and the survival rate is high. The dragon fruit obtained by the method is sweeter, more nutritious and more beneficial to human health.

The invention relates to a crepe paper manufacturing system based on speed difference wrinkling, wherein the system is characterized by comprising a wrinkling device with a rack, and the wrinkling device comprises a paper web input mechanism, a drying cylinder and a vacuum wrinkling roller; the paper web input mechanism, the drying cylinder and the vacuum wrinkling roller are sequentially mounted on the rack; and the vacuum wrinkling roller and the drying cylinder extrude each other, and the rotating speed of the vacuum wrinkling roller is lower than that of the drying cylinder, so that speed difference is generated, and paper wrinkling forming is achieved. The system is high in practicability and easy to popularize.

The invention relates to a melt electrospinning method based on a reverse enhanced composite electric field and a product thereof. The method comprises the following steps that one or more auxiliary electrodes are additionally arranged between a melt electrospinning nozzle and a receiving device; the electric potential of the auxiliary electrodes is higher than that of a nozzle and that of the receiving device; and the potential of the auxiliary electrodes is higher than that of the position where no auxiliary electrodes are added. The product prepared by the method is a fiber mesh, and the thickness of the fiber mesh is 4-12 times of that of a fiber mesh prepared by an ordinary non-composite electric field spinning method based on the same area and weight. After the auxiliary electrodes are added, the stretching effect of the electric field on melt jet flow can be enhanced, fiber small in fineness degree can be obtained at the same spinning temperature, an inverse composite electric field is formed in the spinning process, the fiber stays near the nozzle for a long time and rotates inside the auxiliary electrodes, and the more fluffy fiber mesh is formed.

The invention discloses engineering geology drilling and exploring equipment which structurally comprises a supporting plate, a supporting frame, a main body and supporting columns. The supporting frame is arranged at the top of the supporting plate, the main body is installed at the front end of the top of the supporting frame, the two supporting columns are installed at the two sides of the main body respectively, and the main body comprises a limiting table, a water inlet pipe and exploring and drilling equipment body; and the exploring and drilling equipment body comprises a mounting base, an exploring and drilling pipe, an exploring and drilling block, an exploring and drilling groove and a water through hole, the exploring and drilling block comprises an exploring and drilling head, a water flowing groove, a water inlet groove and a friction device, the water inlet groove comprises a circulating groove, a water dripping groove and a baffle, and the baffle comprises a plate body, a through hole and a rear end opening. According to the engineering geology drilling and exploring equipment, the water through hole is used for guiding water flow outside the exploring and drilling pipe towards the exploring and drilling groove in the interior, and then the water flow is guided to the bottom end face of the exploring and drilling block through the exploring and drilling groove, so that the exploring and drilling block can be in full contact with water for cooling during exploring and drilling, and the situation that the exploring and drilling block is damaged due to too high temperature caused by friction is prevented.

The invention discloses a cultivation process for improving low-temperature resistance of peanuts, and particularly relates to the technical field of peanut cultivation. The cultivation process for improving low-temperature resistance of the peanuts comprises the following steps that step 1, soil preparation, ridging and fertilization are conducted; step 2, seed treatment is conducted; step 3, sowing is conducted; step 4, field management is conducted; and step 5, harvesting and airing are conducted. According to the cultivation process for improving low-temperature resistance of the peanuts, by additionally applying phosphate fertilizer, seed coating agent coating and peanut peel, peanut seeding time can be advanced, the pollination rate can be increased in the flowering period, harvesting can be performed in advance, the peanut seeding time is advanced by 3-5 days, the emergence rate is ensured to be 97% or above, the maturity of pods can be increased, and the yield can be increased by 35%-43% or above; meanwhile peanut peel powder is used in cooperation with the seed coating, the peanut peel powder is evenly dispersed on the outer side of the seed coating, the peanut peel powder is fermented underground to generate trace heat, the heat preservation and insulation effect of the seed coating can be effectively enhanced, the low temperature resistance of the peanuts is improved, the seeding time can be advanced through the coating during spring seeding, and the maturity of the pods is increased.

The invention discloses a production method for a plant fiber pillow inner. The production method comprises the following steps of: putting plant fibers into a die; pouring glue into the plant fibers in the die, making the poured glue fully contacted with the plant fibers, and extracting the glue; and performing die assembly, and performing hot-press forming on the plant fibers to obtain the plant fiber pillow inner. The glue is poured into the plant fibers and is extracted, so that the glue is fully contacted with the plant fibers and dispersed; by the method, a good bonding effect can be achieved, a product has proper bulkiness and good comfortableness, processing procedures are simple and production efficiency is high; and the product is subjected to the hot-press forming in the die, so the product can be simultaneously vulcanized, and production procedures are simplified. The method is simple, easy to implement and good in using effect.

The invention belongs to the technical field of agricultural seeding, and particularly discloses a tomato planting method, which comprises the following steps of: 1, preparing fresh tomato seeds, nutrient soil and silica gel dry particles; 2, soaking tomato seeds with mixed solution of apple vinegar and water; 3, cleaning the tomato seeds and air drying; 4, putting nutrient soil, the tomato seedsand the silica gel dry particles into a container and uniformly mixing; step 5, taking out the mixed nutrient soil, tomato seeds and silica gel drying particles and pressing into a plurality of mixedblocks with block-shapes; 6, throwing the mixed blocks onto the planting soil; 7: watering and fertilizing the mixed blocks. The aim is to solve the problems of various steps in the sowing process ofthe tomatoes and bending operation of the peasants.

The invention discloses a manufacturing process of a novel antibacterial imitation jeanette fabric, which fully utilizes a biological fermentation process for modification treatment, and the imitation jeanette fabric has good hand feeling, is very soft, has a very good drape feeling, and has good antibacterial performance , is a new type of fabric with great market potential. Steps: blending soybean fiber, cotton fiber, and aloe fiber; conventional singeing, whitening, and drying of the blended fabric; dry sanding with metal abrasive grains; microbial modification treatment; polishing treatment; dyeing according to conventional methods, Shape it, dry it, and get it.

The invention discloses a production method for a plant fiber pillow inner. The production method comprises the following steps of: putting plant fibers into a die; pouring glue into the plant fibers in the die, making the poured glue fully contacted with the plant fibers, and extracting the glue; and performing die assembly, and performing hot-press forming on the plant fibers to obtain the plant fiber pillow inner. The glue is poured into the plant fibers and is extracted, so that the glue is fully contacted with the plant fibers and dispersed; by the method, a good bonding effect can be achieved, a product has proper bulkiness and good comfortableness, processing procedures are simple and production efficiency is high; and the product is subjected to the hot-press forming in the die, so the product can be simultaneously vulcanized, and production procedures are simplified. The method is simple, easy to implement and good in using effect.

The invention relates to a preparation method for synthesizing a lithium battery cathode material through a solvent-free solid-phase method. The method comprises the following steps that solid-state high-hydrocarbon fatty acid and / or solid-state high-hydrocarbon fatty acid salt and flake graphite are mixed evenly to obtain a multifunctional auxiliary; the multifunctional auxiliary and raw materials are added into mixing equipment together to prepare a precursor; high-temperature sintering is performed on the precursor after heat treatment is performed on the precursor, and then the lithium battery cathode material is obtained. According to the method, by adding the multifunctional auxiliary of which the main components comprise the solid-state high-hydrocarbon fatty acid and / or the solid-state high-hydrocarbon fatty acid salt in the mixing stage, the problem that diversified scattering of the raw materials is difficult is solved through the lubrication action of high-hydrocarbon fatty acid radicals, metal ions carried by the high-hydrocarbon fatty acid salt can also be evenly dispersed in the precursor in the mixing process to serve as a doping ion source in body doping, and the high-hydrocarbon fatty acid radicals can be decomposed at high temperature to generate gas, so that the fluffy degree of the precursor is increased and hardening is relieved; therefore, generation of oxygen vacancy is reduced in the sintering process, and the prepared lithium battery cathode material has the advantages of being few in defect, excellent in electrochemical performance and the like.

The invention belongs to the field of cultivation of tomatoes, and particularly relates to a planting method for enhancing immunity of tomatoes. The planting method comprises steps as follows: seed selection, seed soaking, germination accelerating, seedling culture, field planting and management in a later planting growing process, microbial colony and fine pored silica gel are added to preparation of bio-organic fertilizer, the bio-organic fertilizer is applied to a field planting process, the bio-organic fertilizer is applied in a fruit setting period, so that florae in the soil where the tomatoes are planted are optimized, moisture in soil is regulated, the immunity of the tomatoes is enhanced, and the morbidity is reduced.

The invention discloses a preparation method of a novel super-soft wear-resistant polyester peach skin simulating fabric. The processing method of the novel super-soft wear-resistant polyester peach skin simulating fabric is natural, environmentally friendly, free of residues and free of environment pollution, and belongs to the green technology. The hand feeling of the prepared polyester peach skin simulating fabric is super soft and just like tactile impression of skin, and the novel super-soft wear-resistant polyester peach skin simulating fabric has high color and luster of silk, is high in antibacterial performance, and is a novel fabric with large market potential; the looseness degree of the fabric is greatly improved compared with that of a softened ordinary pure-cotton polyester peach skin simulating fabric.

The invention provides a felt pad for improving coastal saline soil, a preparation method thereof and a method for improving coastal saline soil. The felt pad for improvement of coastal saline soil comprises the following raw material components in parts by weight: 100-120 parts of mineral wool fibers, 5-20 parts of wood chips, 5-20 parts of straw and 10-15 parts Parts of zeolite powder. The mat provided by the present invention achieves a balance between salt resistance, anti-reverse seepage and water retention through the mutual cooperation of various components, and only needs to be laid with a thinner thickness to achieve excellent salt resistance and anti-reverse seepage effects and water retention, it is beneficial to reduce the depth of the excavated pit, reduce the amount of construction, and is suitable for coastal areas with high groundwater levels; the material provided by the invention is in the form of sheets, which can be directly laid on the bottom of the pit without dumping, paving and The compaction step avoids the splashing of salt-resistance materials, which has the advantages of convenient construction and labor cost saving. In addition, the sheet structure is convenient for construction on the side wall of the pit, and is suitable for the implementation of side salt-resistance.

The invention discloses a cultivation process for improving peanut low temperature resistance, and specifically relates to the technical field of peanut cultivation, including step 1: soil preparation, ridge making, and fertilization; step 2: seed treatment; step 3: sowing; step 4: field management; Step 5: Harvest and dry. The present invention can advance the sowing period of peanuts, increase the pollination rate at the flowering period and harvest in advance by increasing the application of phosphorus fertilizer, seed coating agent coating and peanut peel, advance the sowing period of peanuts by 3 to 5 days, ensure that the emergence rate is above 97%, increase the The maturity of pods can increase the yield by more than 35% to 43%. At the same time, the peanut peel powder is used in conjunction with the seed coating. The peanut peel powder is evenly scattered on the outside of the seed coating. Effectively strengthen the thermal insulation effect of seed coating, improve the ability of peanuts to withstand low temperature, and can advance the sowing date through coating during spring sowing, and increase the maturity of pods.

The invention discloses a preparation method of a novel antibacterial polyester peach skin imitation fabric. The method is as below: conducting conventional singeing, whitening and drying on blended fabrics; conducting dry sanding; preparing Bacillus licheniformis, Sphingomonas, Lactococcus lactis and Bifidobacterium in the ratio of 1:0.2:1.5:0.1-0.2 into a compound inoculant; evenly spraying the after treatment inoculant on the sanded fabric, and conducting low temperature fermentation at 38 DEG C for 52-65 h; after fermentation, rinsing with warm water, and drying; polishing the modified fabric; and dyeing according to the conventional method, shaping and drying to obtain a finished product. The processing method of the invention is natural environment-friendly and residue-free, does not cause environmental pollution and belongs to the green technology. The prepared polyester peach skin imitation fabric has the advantages of good handle, softness, delicacy, soft gloss, good antibacterial property, and is a novel fabric with a very high market potential; and the prepared polyester peach skin imitation fabric has a greatly improved mellowness compared to ordinary pure cotton polyester peach skin imitation fabric subjected to softening finishing.

The invention relates to the technical field of cloud down, and discloses a cloud down manufacturing method which comprises the following steps: S1, raw material treatment: firstly, waste plastics are recycled and concentrated, after the waste plastics are recycled and concentrated, paper and bottle caps existing in bottle bodies are removed so as to facilitate subsequent processing, and after the paper and the bottle caps are removed, plastic bottles are crushed for 5-10 minutes so as to obtain the raw materials; according to the manufacturing method, the cloud velvet can be conveniently processed, raw materials can be saved, the fluffy degree of the cloud velvet can be increased, and the manufacturing method is suitable for popularization and application. A 360-degree annular 19-DEG C high-speed strong cold air blowing technology is adopted in the fiber forming process, the vertical error does not exceed 2 MM, a 270-DEG C PET melt is instantly and rapidly cooled, the cloud wool is different from a unique crystalline state of other polyester fibers, and the stacking density of the cloud wool is very small.

The invention relates to the field of scarves, in particular to a down feather scarf with high deformation resistance. The down feather scarf includes a down feather scarf main body; the down featherscarf main body is composed of a nape surrounding end, a first free end and a second free end, wherein the nape surrounding end is located at the middle, and the first free end and the second free endare connected with the two ends of the nape surrounding end respectively; end sealing layers are sewed at the ends, away from the nape surrounding end, of the first free end and the second free end;a plurality of partition narrowing openings which are distributed at equal intervals are formed in the first free end and the second free end, and the inner side faces of the nape surrounding end, thefirst free end and the second free end are provided with the same quilting-seam yarn. The down feather scarf with the high deformation resistance has the advantages that the down feather scarf is lighter, the fixing effect of a scarf state is improved, the fluffy degree of inner down feather and plume of the scarf is improved, the overall appearance of the scarf is improved, the down feather andthe plume do not easily move to the two ends and can be fluffier, and the scarf can better fit the human skin during usage and is more comfortable.