64results about How to "Reduce land use" patented technology

The invention relates to innocent treatment of cyanide and fluoride in solid waste residues and a recycling process thereof. The method of innocent treatment and recycling of cyanide and fluoride contained in electrolysis bath overhaul residues or solid at a normal temperature is characterized in that a water ball mill with a weight ratio of 1:1 is added into and mixed with the electrolysis bath overhaul residues containing cyanide and fluoride, calcium or magnesium or sodium compound that can produce hypochlorous acid by being dissolved in water, and water-soluble calcium or magnesium or aluminum salt to prepare pulp, thereby enabling cyanide to be dissolved and reduced in the liquid phase of ball mill pulping; meanwhile, calcium ions, magnesium ions and aluminum ions released by water-soluble calcium or magnesium or aluminum salt and fluoride ions in the liquid phase form water-insoluble calcium fluoride, magnesium fluoride and aluminum fluoride which are harmless sediments; and neutral water is separated from slurry by the solid-liquid separation, so that the purpose of decontamination and no discharging can be achieved.

The invention discloses a Grifola frondosa strain for producing polysaccharide with a composite raw material of rice bran and wheat bran, which belongs to the technical field of microbial application technology and food biology. The Grifola frondosa strain JSU10 is preserved in China general microbiological culture collection center (CGMCC) in October 8th, 2010 with the CGMCC No. 4179 and is identified to be Grifolasp. The invention improves the positive mutation rate of the Grifola frondosa strain for rapidly growing and producing Grifola frondosa polysaccharide on a composite culture medium of rice bran and wheat bran by composite mutagenesis of ultraviolet rays and microwave to obtain a high-yield strain; the strain and the original strain are respectively a liquid fermentation rice bran and wheat bran composite culture medium; and hypha dry weight and polysaccharide of the mutated strain are respectively improved by 39.24 percent and 42.58 percent compared with the original strain.

A wind turbine includes a turbine housing, a turbine wheel system housed in the turbine housing, and a wind power converting system for converting kinetic energy generated by the turbine wheel system into electrical energy. The turbine wheel system includes a turbine rotor being driven to rotate circumferentially around an interior of the turbine housing, and a rail frame guiding a rotational movement of a turbine rotor. The wind turbine not only allows airflow to move across and through the turbine wheel system but also allows airflow to be directed and exhausted to maximize and control energy generation. The wind turbine is able to efficiently convert wind power to electrical power via a turbine wheel system which allows for the load generated to be distributed across the circumference of the turbine wheel system instead of localized in the center as the traditional wind turbine.

The invention belongs to the fields of microbe application technologies and food biotechnologies, and discloses a strain used for fermenting rice bran and wheat bran extracts for producing grifolan. The grifola frondosa strain is collected in China Center for Type Culture Collection (CCTCC) in Wuhan University in Wuhan, China on Aprial 7th, 2011, and has a strain collection number of CCTCC No: M2011113. The name of the strain is Grifolasp. JSU10-2. According to the invention, through protoplast laser mutation, the strain with high yield of mycelium polysaccharide produced from cheap raw materials is obtained. When the strain and an original strain are respectively used in liquid fermentation of a rice bran and wheat bran composite culture medium, the dry weight and polysaccharide of the mutant strain are respectively increased by 31.7% and 32.6% compared with those of the original strain.

The invention discloses a fertilizer special for maintaining lawns and a preparation method thereof. The method comprises the following steps: weighing, mixing and stirring citric acid, zinc sulphatepowder, copper sulphate powder, manganese sulphate powder, ferrous sulphate powder, borax powder, ammonium molybdate and water at a temperature of 80-90 DEG C for 40-60 minutes to prepare trace element chelate fertilizer liquid; weighing, mixing and stirring polyvinyl alcohol, cornstarch and dicyandiamide powder at a reaction temperature of 80-90 DEG C for 40-60 minutes to prepare bonding liquid;uniformly mixing the trace element chelate fertilizer liquid and the bonding liquid according to a mass ratio of 1:4 for spare; weighing, drying, crushing and screening pyrobituminous shale residue, furfural residue, calcium carbonate, magnesium sulphate, urea, diammonium phosphate and potassium sulphate by a screen of 100-120 meshes; uniformly mixing; adding the mixture to a pelletizer; and spraying the mixed liquid to granulate so as to obtain the fertilizer special for maintaining lawns. The invention has the advantages of enough nutrients, good slow release, and the like, prolongs the nutrient-supplying time and protects the biological environment.

Provided is a preparation method for high-quality recycled concrete aggregates. The preparation method comprises steps of sorting of waste concrete, primary crushing, primary screening, rod milling, secondary screening and cleaning, and then the graded aggregates are mixed according to required gradations to obtain recycled coarse aggregates with different particle sizes. According to the preparation method, the cyclic utilization rate of waste concrete can be close to 80%, the resource utilization of construction waste in cities can be realized, the secondary pollution of construction waste to the environment can be reduced, the land occupation account for landfilling of construction waste can be saved, and the industrialization development of comprehensive utilization of construction waste can be promoted to some extent.

The invention discloses artificial soil and a preparation method thereof. The method comprises the following steps: respectively weighing citric acid, copper sulfate powder, zinc sulfate powder, ferrous sulfate powder, manganese sulfate powder, ammonium molybdate powder and water according to weight ratio; mixing above materials, and stirring with the rotation speed of 100 turns / min for 30-40min under the reaction temperature of 80-90 DEG C to obtain trace element chelating solution for later use; respectively weighing oil shale waste, furfural dreg, crop straw, calcium carbonate, magnesium sulfate, urine, phosphate fertilizer, potash fertilizer and borax according to weight ratio; drying above raw materials and crashing, sieving by a sieve with 60-80 meshes, crushing crop straw into 1-3cm, pouring above raw materials into a stirrer, stirring while spraying trace element chelating solution accounting for 6-8% of the quality of the raw materials, evenly stirring to obtain the artificial soil. The invention has the advantages of low cost, good physical and chemical property and the like, and is applicable to plant growth.

The invention relates to a production method of a grifolan selenium compound, and relates to the food microbiological application technology field. The method comprises the steps that: rice bran and wheat bran are leached in water with a temperature of 90 DEG C to 98 DEG C for 2.5-3h under normal pressure; residuals are removed, and a juice is obtained; the obtained process liquid is used as a culture media for fermentation, wherein the rice bran application amount is 30-120g / L culture media, the wheat bran application amount is 30-120g / L culture media, an addition amount of selenium is 5-10mg / L culture media, an addition amount of potassium dihydrogen phosphate is 1.0-1.5g / L, an addition amount of magnesium sulfate is 0.5-0.80g / L, and a pH value is natural; mycelium obtained by liquid culturing is subjected to centrifugal separation, and is washed by using distilled water; the mycelium is dried to constant weight, such that the mycelium is obtained; the mycelium is subjected to conventional water extraction, deproteinization, ethanol precipitation, and lyophilization, such that a intracellular polysaccharide selenium compound can be obtained. With the method provided by the invention, the production of grifolan selenium compound by using cheap raw materials is better realized.

The invention discloses a fertilizer special for soybeans and a preparation method thereof. The method comprises the following steps: weighing, mixing and stirring citric acid, zinc sulphate powder, manganese sulphate powder, borax powder, ammonium molybdate powder and water at a reaction temperature of 80-90 DEG C for 40-60 minutes to prepare trace element chelate fertilizer liquid for spare; respectively weighing and stirring polyvinyl alcohol, cornstarch, dicyandiamide powder and water at a reaction temperature of 80-90 DEG C for 40-60 minutes to prepare bonding liquid for spare; uniformlymixing the trace element chelate fertilizer liquid and the bonding liquid according to a mass ratio of 1:4 for spare; respectively weighing, drying, crushing and screening pyrobituminous shale residue, calcium carbonate, magnesium sulphate, urea, diammonium phosphate and potassium sulphate by a screen of 100-120 meshes; uniformly mixing; adding the mixture to a pelletizer; and spraying the mixed liquid to granulate so as to obtain a the fertilizer special for soybeans. The invention has the advantages of comprehensive nutrients, good slow release, and the like, fully satisfies the growth needsof soybean and improves the yield and the quality of the soybean.

The invention discloses a metal armored withdrawable high-voltage switch cabinet. An upper handcart chamber (2) is arranged at the front middle part of a cabinet body, a lower handcart chamber (3) is arranged at the front lower part of the cabinet body, a circuit breaker handcart (4) is arranged in the upper handcart chamber (2), a lower PT handcart (5) is arranged in the lower handcart chamber (3), a current transformer (6) and a grounding switch (7) are arranged in the cabinet body at the back side of the switch cabinet, and an arrester (8) and a zero-sequence current transformer (9) are installed in a cable room. By adopting the technical scheme, electric components, such as the circuit breaker handcart, the lower PT handcart, the current transformer, the grounding switch, the arrester, the zero-sequence current transformer and the like, are simultaneously arranged in a same switchgear, and therefore, through elaborate arrangement, the invention has the advantages of more reasonable layout, compactor structure optimizing the design scheme, reducing the construction investment and the earth occupancy and bringing considerable economic benefit.

The invention discloses a fast growing and cultivation method for surrounded mulberry, which includes the steps of performing 'group planting', variety grafting, quickly shaping by 'core-prying and tip-breaking process', managing shape and the like. Each mulberry tree is distributed in a form having two forks, four shoots and eight branches. 6000-8000 shoots per mu are guaranteed. Fast and scientific shaping of mulberry is achieved. Land economization and high yield are achieved. The method is simple to operate and has the advantages of fastness in production, high yield, convenience in management and the like, land resources are fully utilized, unit-area economic benefit of land is increased, and the method is significant for increasing famers' income, improving motivation of the farmerson mulberry planting, stabilizing sericulture basis and promoting healthy and fast development of sericulture. In addition, by the method, high yield is achieved, quality materials are supplied to mulberry production enterprises, and advantages for extension of industrial chain and fast and continuous development of regional sericulture are created.

The invention relates to an interplanting method of kok-saghyz in an orchard, which includes steps of selecting the orchard of which tree age is not more than 5 years, the soil layer is deep and nutrition is sufficient; applying fully decomposed organic fertilizer and phosphorus diamine; preparing soil; ploughing to great depth in proper time; after deep ploughing 25cm-30cm, timely raking; ridgingalong a fruit tree line direction, and paving a drip irrigation zone in every ridge, then leveling the ridge face and covering a film; lifting seedlings and transplanting in mid-to-late days of May;then performing water irrigation, topdressing, pest control and weeding on the orchard; harvesting roots and stems of the kok-saghyz in the first ten-day period of October in the next year. The interplanting method of kok-saghyz in the orchard has the advantages of effectively making up the technical blank of interplanting the kok-saghyz in the orchard, improving the land utilization rate of the orchard, increasing the economic benefit of land area, reducing the planting cost, improving the output and quality of kok-saghyz, and increasing output and income. Besides, the planting method is simple in operation, easy to popularize, and extensive in application value.

The invention discloses a method for shortening the juvenile span by grafting hybrid seedling rootstocks, and the method comprises the following steps of: (1) scion preparation: collecting full buds of biennial hybrid seedlings as scions, wherein the buds are located at places 20-30cm downward from the tops of the trunks of the biennial hybrid seedlings; (2) rootstock preparation: horizontally shearing the lower ends of the roots of the trunks of the biennial hybrid seedlings to serve as rootstocks, wherein the shearing places are 10-15cm upward from the ground; (3) grafting: directly grafting the collected scions on the rootstocks by using a cleft graft; and (4) wrapping: tightly wrapping all the sheared edges by using plastic films. According to the method, the heights (namely, the juvenile span) of the fruiting parts of the hybrid seedlings can be decreased by more than 1.2m and then the whole heights of the trees are decreased, so that the wind resistance of the seedlings is strengthened and the problems of tree lodging, branch broking, fruit falling and the like are prevented, convenience is brought to the field operations such as fruit thinning, bagging, pruning and the like, and the field management workers of the hybrid seedlings are decreased.

The invention provides an automatic multi-row adjustable seedling cuttage device, which comprises a loading mechanism, a shearing mechanism, a conveying mechanism, a seedling cuttage mechanism, a movement mechanism and a main body bracket, wherein the loading mechanism is positioned on the top of the seedling cuttage device and is used for loading cultured seedlings according to certain intervals;the shearing mechanism is positioned below the loading mechanism, and is used for carrying out proper-distance shearing on the root parts of the cultured seedlings in the loading mechanism; the conveying mechanism is positioned on the main body bracket below the shearing mechanism, and is used for conveying the sheared cultured seedlings to the bottom of the seedling cuttage device; the seedlingcuttage mechanism is positioned on the bottom of the conveying mechanism, is connected with the main body bracket and is used for carrying out cuttage on the cultured seedlings into soil; and the movement mechanism is used for supporting the main body bracket and drives the seedling cuttage device to integrally move. In a seedling cuttage process, cuttage efficiency is improved, the labor intensity of farmers is lightened, the reliable automatic multi-row adjustable seedling cuttage device is designed through the analysis of aspects, including the seedling age, the length, the thickness and the like, of the cultured seedlings, a survival rate of the cultured seedlings is improved, and practical use requirements are met.

The invention relates to a community sewage integrated treatment and recycling system. The system comprises a grating, a regulating pond, a horizontal spiral self-cleaning fine particle removal device, an aerobic bioreaction pond water distribution room, an aerobic bioreaction pond, a settling pond, a self-aeration device, an artificial wetland, a rainwater storage pond, a filtering and disinfection device, a sewage storage pond and a system base. Solid suspension in aesthetic environment use water is up to standard through the grating, the regulating pond, the horizontal spiral self-cleaning fine particle removal device and the settling pond arranged in the system, so that the quality of sewage achieves the requirement of the aesthetic environment use water; the aerobic microbial reaction pond and the self-aeration device can achieve the standard of organic matters and nutritional substance indexes, the arranged artificial wetland not only can achieve the purpose of beautifying the community environment to cause aquatic plant and microorganism to continue to deeply treat sewage and rainwater, but also can play a buffering role in raining season to prevent the occurrence of community flood, and thus the occurrence of the community flood can be prevented.

The invention relates to tubers, in particular to a tapioca starch residue separation system, which comprises a raw material cleaning machine, disintegrators, a residue-starch tank, vertical sieves, sieve cleaners, filter presses and the like. Raw materials are cleaned and crushed by a primary disintegrator and a secondary disintegrator to flow into the residue-starch tank, disintegrated residue slurry is sent by a lifting pump from the residue-starch tank to a higher primary vertical sieve, the residue slurry is separated by the primary vertical sieve, dense starch solution passes through a primary sieve cleaner to enter a raw starch tank, the separated tapioca residue is subjected to filter pressing by a primary filter press, dense starch solution and screen washing water after filter pressing pass through the primary sieve cleaner to enter the raw starch tank, fine residue passing through the primary sieve cleaner automatically flows back to the residue-starch tank, the tapioca residue after primary filter pressing enters a stirring tank to be mixed with clear water, and secondary vertical sieving, filter pressing and sieve cleaning are operated as the primary process. Reclaimed water is recyclable, the tapioca residue after secondary filter pressing is dried or directly sold, and the problems that the existing potato starch-residue separation process is complex, large in occupied space and high in operating cost are solved.

The invention discloses a special-shaped precast pile zipper type supporting structure and a construction method thereof. A special-shaped precast pile comprises a special-shaped pile end plate and aspecial-shaped pile body, the special-shaped precast pile body is made of a concrete material and applies prestress, a reinforcement cage is arranged in the pile body, a pile web is in a hollow circular shape, and the special-shaped precast pile is in an irregular short T shape. The construction method comprises the steps that the special-shaped precast piles are symmetrically constructed in a staggered mode on site; the two staggered special-shaped precast piles are tightly buckled to form a chain type supporting structure; after buckling construction of the special-shaped precast piles is finished, small-diameter high-pressure jet grouting mixing pile construction is carried out at the joint of the two parallel special-shaped precast piles, and a high-pressure jet grouting mixing water stop body is formed to block a gap formed by the parallel special-shaped precast piles; and concrete crown beams are arranged at the tops of the special-shaped precast piles. The supporting structure is particularly suitable for a construction environment with a narrow site, the use amount of concrete and water-stop mixing pile cement is saved, meanwhile, the integrity and the lateral deformation resistance of the foundation pit supporting structure can be enhanced, and economic and environmental benefits are remarkable.

The invention relates to a composite wall adopting a fixed-form latent heat storage phase-change material. The composite wall comprises a wall body and is characterized in that the wall body comprises a phase-change heat storage layer, a building block layer and a heat insulation layer which are connected from inside to outside sequentially and form a phase-change composite wall body with a three-layer structure, the phase-change heat storage layer is arranged on the inner side of a north wall, the heat insulation layer is arranged on the outermost side of the north wall, and the building block layer is arranged between the phase-change heat storage layer and the heat insulation layer. The composite wall has the beneficial effects as follows: the phase-change material utilizing glass bead particles as main components is adopted and can store or release a large amount of latent heat during heat storing or releasing, and by means of phase-change temperature of high heat storage and low heat release, the composite wall is enabled to show an obvious peak load shifting function, particularly has a remarkable effect for increase of night temperature and guarantees a thermal environment in a greenhouse; the heat storage capability of an inner surface material layer of a greenhouse wall is improved, solar heat power projected on the inner surface material layer is sufficiently absorbed and stored in a period of effective sunlight, and the utilization ratio of solar energy is increased.

The invention discloses a method for planting reddish oranges. The method is completed by the following steps of soil selection and soil preparation, selecting seedlings and hardening the seedlings, transplanting, applying fertilizers, intertilling and weeding, promoting flower-formation, preventing fruit drop, preventing pests and diseases and harvesting. According to the method for planting thereddish oranges, base fertilizers made of livestock manures, rice straws and biogas residues as raw materials are used for planting the reddish oranges, can provide full and comprehensive nutrient elements for the growth of the reddish oranges, simultaneously improves the structure and properties of the soil, increases the soil fertility and provides excellent growth conditions for the reddish oranges. Crop wastes are used for producing the fertilizers by fermentation, and the wastes are turned into treasure to achieve a reasonable recycling of resources, avoid resource waste and reduce production costs. Through growth environment control, regular fertilization, deinsectization and disease prevention, the survival rate and a better growth situation of the reddish oranges are ensured. Regular pruning of plants, timely flower thinning and shoot thinning can avoid consuming of limited nutrients in the soil so that the reddish oranges have sufficient nutrients for further growth.

The invention provides a transverse moving type parking system. The transverse moving type parking system comprises a transverse carrier and a parking space, wherein the transverse carrier comprises a bottom frame and an upper frame; the bottom frame comprises a middle axle and walking bridge frames arranged on the two sides of the middle axle; the walking bridge frames can drive the bottom frame to enter the bottom of a vehicle body in the transverse direction; the upper frame comprises an upper frame body capable of doing lifting motion and supporting mechanisms fixed to the two ends of the upper frame body; the supporting mechanisms can support the bottoms of wheels; the parking space comprises weighing mechanisms matched with the front wheels and the rear wheels correspondingly and a lifting platform located between the weighing mechanisms; each weighing mechanism comprises weighing units supporting the wheels on the two sides correspondingly; and the lifting platform can ascend to be flush with the surfaces of the weighing units. The transverse moving type parking system has the beneficial effects that transverse carrying of vehicles is achieved, the channel width of a stereo garage can be effectively reduced, the land utilization rate is increased, the vehicles can be parked on the round garage in the tangential direction, and therefore the diameter of the round garage is reduced, and the construction difficulty is lowered.

The invention relates to an outer wall heat-insulation face brick and the producing method thereof, belonging to a building material and a producing process thereof, firstly making a face brick mould; arranging a metal injection mould of face brick shell on an injection machine, where the face brick shell injection-molded by antioxidant high molecular materials, comprises raised head and groove on side frame; placing the face brick shell in a foaming mould and injecting heat-insulation material, reacting, filling and solidifying, and then taking out and finishing the shell and thus making the finished product. And it is a novel building material integrated with heat insulation function and high-grade face, simple to install in the construction field, safe and reliable, saving raw materials, having low manufacturing cost, able to replace the existing ceramic tiles and stone materials, able to be used indoor, and able to be made into heat-insulation tiles for decorating roofs.

The invention provides an indoor prawn stereoscopic graded cultivation device and a cultivation technology of the same. The cultivation technology comprises the steps that an inner cultivation pond and an outer cultivation pond are provided, wherein the inner cultivation pond and the outer cultivation pond are processed and manufactured by food-grade plastic plates; the inner cultivation pond is suspended inside a water body of the outer cultivation pond, and the bottom wall of the inner cultivation pond is equipped with a first opening inlaid by a steel wire gauze and a second opening shielded by a movable cover plate; shrimp seeds are put into the inner cultivation pond to realize screening cultivation, and the screened shrimp seeds are put into the outer cultivation pond to realize growth cultivation; and when prawns in the outer cultivation pond are bred and cultivated, the prawns are harvested by net spooning or entrapment, then the screened shrimp seeds in the inner cultivation pond are moved to the outer cultivation pond by the second opening to realize the growth cultivation, and finally new shrimp seeds are put into the inner cultivation pond to realize screening cultivation.

The invention discloses special fertilizer for apples and a preparation method thereof. The preparation method comprises the following steps: weighing ethylenediamine tetraacetic acid (EDTA), zinc sulfate powder, ferrous sulfate powder, borax powder, ammonium molybdate and water and mixing; stirring for 20 to 30min at the temperature of 80 to 100 DEG C, so as to prepare a microelement chelating fertilizer solution; weighing polyvinyl alcohol, polyaspartic acid, corn starch, dicyandiamide and water and mixing; stirring for 20 to 30min at the temperature of 90 to 100 DEG C, so as to prepare a bonding solution; uniformly mixing the obtained microelement chelating fertilizer solution and the bonding solution according to the mass ratio of 1 to 4 for later use; weighing low-grade oil shale, furfural dreg, gypsum, magnesium sulfate, urea, diammonium phosphate and potassium sulfate respectively; after drying, crushing and sieving, uniformly mixing and adding into a granulation machine; spraying a mixed solution and granulating to prepare the special fertilizer for the apples. The special fertilizer for the apples has the advantages of comprehensive nutrients, capabilities of sufficientlymeeting the requirements of the growth of the apples and improving the yield and quality of the apples, good slow release performance and the like.

The invention discloses a BIM-based earthwork amount calculation method. The method comprises the following steps: selecting a plurality of survey points in a survey site; inputting the survey point coordinate data of the site subjected to coordinate processing into CASS software to complete input of the survey point coordinate data; Connecting lines to the peripheral survey points by using the red lines so as to draw a geological survey map of the survey site; In the CASS software, dividing the geological survey map into m * m grids, and inputting the elevation of each grid after the actual site is flat on the geological survey map; And using CASS software to calculate the earthwork amount required to excavate or fill the site in the red line in the geological survey map until the site isflat. According to the method, the work amount of earthwork excavation and filling of the project can be accurately calculated, calculation and checking of the cost of the earthwork project are facilitated, and control over the construction progress is enhanced.

The invention discloses sludge disposal integral equipment, which comprises a belt conveyor, an open type double-shaft material mixing machine and a material cabin, wherein the open type double-shaft material mixing machine is positioned right above the belt conveyor; the material cabin is positioned right above the open type double-shaft material mixing machine; the material cabin comprises a processed material cabin with a downward opening, a raw material cabin with a downward opening and an unprocessed material cabin with a downward opening; a processed material discharging double-shaft screw is arranged at the opening part of the processed material cabin; a raw material discharging double-shaft screw is arranged at the opening part of the raw material cabin; an unprocessed material discharging double-shaft screw is arranged at the opening part of the unprocessed material cabin; at least one material pulling device is arranged in the processed material cabin. The sludge disposal integral equipment has the advantages that material proportioning and the material mixing are more convenient and faster; the proportioning precision is also effectively improved; the occurrence of bridging in the material cabin can also be prevented by the material pulling device; the continuity of the whole material proportioning and material mixing process is ensured; in addition, the occupied area is small; the application range is wide; the automation performance is high; the layout is compact; the land use of a construction party can be reduced.

The invention relates to a driving motor for a new energy automobile and particularly relates to a novel winding motor stator. The novel winding motor stator includes a hollow cylindrical stator core body and a stator coil, wherein the stator core body has multiple axially penetrating stator slots formed on a radial inner surface of the stator core body and spaced apart in a circumferential direction of the stator core body, the stator coil is formed by hair clips, the hair clips form first-to-2nth layers arranged in order from the inside to the outside in the radial direction of the stator core body in the stator slots of the stator core body, the n is a natural number, two effective straight segments of each hair clip are respectively placed in odd and even layers of different stator slots, twisting directions of copper wires of twisted ends of the hair clips placed at the odd and even layers at are opposite, and twisting angles are the same, the hair clips and hairpins form multiple branches, and each branch contains all the layers. The novel winding motor stator is advantaged in that through increasing the quantity of branches, motor performance is greatly improved.