59results about How to "Solve the small size" patented technology

The invention provides a large-scale flexible work workshop scheduling optimization method. A large-scale production task is reorganized to be downscaled and then solving and optimization are performed by using the adaptive improved genetic algorithm. The method comprises the following concrete steps that (1) the workpieces of which the processing technology is similar, the workpiece dimension iswithin the same range and the blank material is the same are clustered and grouped for batching so as to reduce the problem solving scale; and (2) the initial parameter of the algorithm is set, the three-layer gene coding technology, the OBX crossover mode and the certain variation strategy are adopted, the crossover length is selected through combination of the simulation experiment and optimization and solving are performed by using the adaptive improved genetic algorithm. According to the method, the problem solving scale can be reduced and the solving speed can be improved; and the workpiece completion time and delay time can be reduced.

The invention provides an equivalent coordinative optimization method for a large-scale power grid dispatching plan. The optimization method comprises the steps as follows: (1) a large power grid is divided into a plurality of regional power grids, and the regional power grids are taken as equivalent nodes; (2) the regional power grids submit information of the equivalent nodes to the whole grid; (3) the whole grid determines a generation dispatching plan under the equivalent regional power grids, and issues a connecting line plan between the regions, planned total output of the regional power grids and a plan of a direct dispatching set; (4) the regional power grids calculate and determine output plans of regional sets according to the planned total output of the regional power grids, and calculate locational marginal cost; and (5) whether full-grid optimization is converged or not is judged through the marginal cost of two ends of a connection line, if so, calculation is ended, if not, the set which affects the grid security constraint corrects output bounds according to the optimization result and turns to the step (2). The iteration times can be controlled; the convergence is rapid; and rapid determination of the large power grid dispatching plan can be achieved.

The invention relates to a preparation method of a Hypsizigus marmoreus cultivation material. The Hypsizigus marmoreus cultivation material is prepared by the following components by the weight percent: 32-45 of wood flour, 25-40 of mill offals, 12-19 of corn cob, 3.6-6.7 of corn meal, 3.5-4 of rice bran meal, 0.5-1 of wheat straw meal, 1.7-2 of white sugar, 0.5-1 of lime, 0.1-0.3 of gypsum, 0.1-0.3 of superphosphoric calcium carbonate, 0.1-0.3 of brown sugar, and 0.5-0.8 of magnesium sulfate. The wood flour, the mill offals, the corn cob, the corn meal, the rice bran meal, the wheat straw meal and the white sugar are combined together according to the weight percent to be put into a crushing machine to be crushed into mixture with 120 meshes of particles, the mixture is taken out, the lime, the gypsum, the superphosphoric calcium carbonate, the brown sugar and the magnesium sulfate are added to the mixture in proportion, all the new mixture is poured into a stirring machine to be stirred for 65 minutes and then taken out, water is added to the mixture according to the proportion of 1:1.3-1:1.5, and the mixture is blended and then put in a fermenting tank to be piled in stacks, covered with plastic cloth, compacted and fermented for 68 hours to obtain the qualified cultivation material.

The invention relates to a preparation method of tricholoma giganteum massee compost which comprises the following components according to the weight percent: 32-45 of pure straw powder, 25-40 of bran, 12-19 of dried dairy manure, 3.6-6.7 of corn flour, 3.5-4 of rice bran powder, 0.5-1 of bean cake powder, 1.7-2 of rape seed cake, 0.5-1 of white sugar, 0.1-0.3 of plaster, 0.1-0.3 of calcium carbonate, 0.1-0.3 of sanmate and 0.5-0.8 of monopotassium phosphate. The preparation method comprises the following steps: combining the pure straw powder, the bran, the dried dairy manure, the corn flour, the rice bran powder, the bean cake powder and the rape seed powder together according to a certain proportion; pouring into a mixing machine to be ground into grains of about 100mu; adding the white sugar, the plaster, the calcium carbonate, the sanmate and the monopotassium phosphate according to a certain proportion after taking out; adding water according to the proportion of 1:1.5-1:1.8 and uniformly mixing, placing into a fermentation tank and piling up, covering by plastic cloth, and pressing and fermenting for 48h so that the qualified compost is prepared.

The invention relates to a preparation method of nameko nutriments. The nameko nutriments comprise the following components by weight percentage: 35-55 of rice bran, 25-45 of cotton seed hull, 10-16 of corncob, 1.5-2 of bean cake, 0.5-1 of wheat bran, 0.5-1 of corn flour, 0.5-1 of plaster, 1.5-2 of beanstalk, 0.1-0.3 of oxygen enriched powder, 0.1-0.3 of nitrogen-phosphorus-potassium compound fertilizer, 0.1-0.3 of carbendazol and 0.5-0.8 of calcium superphosphate. The preparation method of the nameko nutriments comprises the following steps: combining rice brans, cotton seed hulls, corncobs, bean cakes, wheat brans, corn flours and beanstalks together in proportion, pouring the mixture into a pulverizer, pulverizing the mixture into particles of about 80 meshes, taking out the particles, adding plaster, oxygen enriched powder, nitrogen-phosphorus-potassium compound fertilizer, carbendazol and calcium superphosphate in proportion, pouring the mixture into a stirrer, stirring the mixture for 35 minutes, adding water in the proportion of 1:1.1-1:1.3, uniformly stirring the mixture, stacking the mixture, fermenting for 6 hours and obtaining the qualified nameko nutriments.

The invention relates to a preparation method of a mushroom cultivation material. The mushroom cultivation material is prepared by the following components by the weight percent: 35-55 of cottonseed husk, 25-45 of rice bran, 10-16 of mill offals, 1.5-2 of bean cake, 0.5-1 of brewers grain, 0.5-1 of peanut shell, 0.5-1 of gypsum, 1.5-2 of sorghum husk, 0.1-0.3 of carbendazim, 0.1-0.3 of nitrogen-phosphorus-potassium compound fertilizer, 0.1-0.3 of oxygen-increasing powder and 0.5-0.8 of corn flour. The cottonseed husk, the rice bran, the mill offals and the bean cake are combined together according to the weight percent and poured into a crushing machine to be crushed into mixture with 120 meshes of particles, the mixture is taken out, the brewers grain, the peanut shell, the gypsum, the sorghum husk, the carbendazim, the nitrogen-phosphorus-potassium compound fertilizer, the oxygen-increasing powder and the are added to mixture according to the weight percent, the new mixture is poured into a stirring machine to be stirred for 60 minutes and then taken out, water is added to the mixture according to the proportion of 1:1.3-1:1.5, and the mixture is evenly blended and piled in stacks to be fermented for 6 hours to obtain the qualified cultivation material.

The invention relates to a preparation method of snapping turtle feed, which comprises 8 to 11 percent of fresh chicken entrails, 11 to 13 percent of fresh duck entrails, 11 to 13 percent of fresh and alive fish, 6 to 8 percent of fresh loach, 11 to 13 percent of fresh green shrimp, 2 to 4 percent of fresh catfish, 9 to 11 percent of fresh green bean particle, 4 to 6 percent of fresh turnip cube, 8 to 11 percent of fresh corn particle, 2 to 6 percent of bone meal, 1 to 3 percent of various vitamins, 0.5 to 1.5 percent of salt, 1 to 3 percent of pine needle meal, 0.5 to 1.5 percent of rhizoma anemarrhenae meal, 1 to 3 percent of selfheal meal, 1 to 3 percent of folium isatidis meal, 1 to 3 percent of cordate houttuynia meal, 0.5 to 1.5 percent of radix scrophulariae meal, 1 to 3 percent of ricepaper pith meal and 0.5 to 1.5 percent of quisqualis indica meal, wherein the percentage is percentage by weight.

The invention relates to a preparation method of Tricholoma lobayense Heim culture material. The culture material is composed of the components in percentage by weight: corn cob powder, sorghum sweetmeat cake powder, dry sheep feces, wheat bran, potassium fertilizer, maize meal, gypsum, table salt, omethoate, yeast powder, procymidone and light calcium carbonate. The culture material is low in expense, easy in material obtaining, and simple in formula and preparation method; a great deal beneficial microorganisms generated from the components and the granular organic fertilizer in the components can meet the growth and development demands of Tricholoma lobayense Heim, the produced Tricholoma lobayense Heim is large in size, enough in weight, high in growth speed, and the grown Tricholoma lobayense Heim is white and tender, delicious in taste and rich in nutrients. The yield is increased, and the defects that the Tricholoma lobayense Heim is small in size, light in weight, slow in growth, and easy in warping and occurrence of spot disease are solved.

The invention relates to an offshore wind turbine generator maintenance path stochastic planning method considering a wake effect. The method comprises the following steps: 1) describing correlation and uncertainty of wind, waves and surges in ocean weather; 2) considering the cost composition of personnel, ships, punishment and shutdown loss, taking the minimum maintenance cost as an objective function, and constructing corresponding constraint conditions based on the influence of wind, waves and surges on the navigation time of the ships and the accessible windows of the ships; 3) because the maintenance state changes the wake flow distribution among the units, describing the change of the input wind speed of each unit in combination with the wake flow model and the maintenance state, and refining the unit shutdown loss in the objective function; and 4) solving the target function to obtain an optimal maintenance path. Compared with the prior art, the method has the advantages of high adaptability, high economy, high solving speed and the like.

The invention relates to Hypsizigus marmoreus compost, which consists of the following substances in percentage by weight: 32 to 45 percent of cotton seed hull, 25 to 40 percent of straw, 12 to 19 percent of bran, 3.6 to 6.7 percent of sorghum meal, 3.5 to 4 percent of soybean flour, 0.5 to 1 percent of wheat meal, 1.7 to 2 percent of brown sugar, 0.5 to 1 percent of lime, 0.1 to 0.3 percent of gypsum, 0.1 to 0.3 percent of ammonium bicarbonate, 0.1 to 0.3 percent of oxygenation powder and 0.5 to 0.8 percent of yeast powder. A preparation method of the Hypsizigus marmoreus compost comprises the following steps of: combining the previous seven substances together, pulverizing the substances into about 100-mesh granules by using a pulverizer, taking the granules out, adding the lime, the gypsum, the ammonium bicarbonate, the oxygenation powder and the yeast powder in proportion, stirring the mixture in a stirrer for 60 minutes, taking the stirred mixture out, adding water in a ratio of 1:1.2-1:1.4, stirring uniformly, putting the mixture in a fermentation pond for stacking, covering the mixture tightly by using plastic cloth, compacting and fermenting for 64 hours to prepare the qualified compost.

The invention discloses a layered cooperative control and dynamic decision-making method for large-scale power transmission network frame restoration. The method comprises steps as follows: step one, a power transmission network frame is divided into a main network frame layer and a regional layer which are connected through power receiving points, and the power receiving points have attributes of load and a power supply in the main network frame layer and the regional layer respectively; step two, index values of the power receiving points are determined; step three, a commitment and agreement based restoration cooperative mechanism is established, and commitment values of the power receiving points are updated according to system state change; step four, the restoration optimization of the main network frame layer and the regional layer is taken as a lower-level problem, optimization of the commitment values of the power receiving points is taken as an upper-level problem, a bi-level planning power transmission network frame restoration decision-making model is established and solved, and an integral decision-making method is obtained. The problem about coordination and cooperation of all-level and all-region scheduling in response to layered and divisional multi-process restoration is solved, independent parallel restoration of subprocesses can be realized, the operation safety is guaranteed, and the restoration efficiency is improved.

The invention relates to a drumstick mushroom cultivation materials, comprising the following components in percentage by weight: 35-55% of broad-leaved tree sawdust, 25-45% of straw, 10-16% of dried horse manure, 1.5-2% of wheat straw powder, 0.5-1% of urea, 0.5-1% of oxygen increasing powder, 0.5-1% of plaster, 1.5-2% of lime, 0.1-0.3% of dipterex, 0.1-0.3% of yeast powder, 0.1-0.3% of mepartricin liquid, and 0.5-0.8% of calcium carbonate. The invention is produced by the following steps: mixing broad-leaved tree sawdust, straw, dried horse manure and wheat straw powder in proportion; placing the mixture in a grinder to obtain particles in about 120 mu; adding urea, oxygen increasing powder, plaster, lime, dipterex, yeast powder, mepartricin liquid and calcium carbonate in proportion after taking out; pouring into a mixer for stirring for 70 minutes; and adding water in proportion of 1.3:1.8, stirring uniformly, piling up and fermenting for 6-10 days to obtain qualified cultivation materials.

An abalone mushroom culture ingredient comprises straw chips, wheat bran, mixed wood chips, barley straw chips, cotton seed hull powder, sorghum straw powder, dry potato leaf powder, sucrose, gypsum, calcium carbonate, yeast and magnesium sulfate. The culture material has the advantages of low cost, easily obtained materials, and simple formula and preparation method; large amounts of beneficial microbes generated by the ingredient and particulate organic fertilizers contained in the ingredient can satisfy growth and development demands of the abalone mushroom; and the abalone mushroom produced through the culture ingredient has the advantages of large size, enough weight, fast growth speed, tenderness, delicious taste, and abundant nutrition. The output is increased, and defects of small size, light weight, slow growth and easy disease infection of the abalone mushroom are solved.

The invention provides an engineering practical solution to reactive power optimization considering coupling among a period, and belongs to the field of electric power system dispatching and optimizing operation. The method comprises the following specific steps: firstly reading system operation basic information and technical parameters required by reactive power optimization considering coupling among the period and unit operation basic information and technical parameters; then, constructing a nonlinear programming model taking system operation power loss minimization as a goal, and calculating a continuous solution to control variable of reactive power regulation equipment; constructing a mixed integer programming model taking system power loss increment minimization as the goal, and calculating a discrete solution to control variable of the reactive power regulation equipment; then, substituting the obtained discrete solution into the nonlinear programming model constructed before, and calculating reactive power output level for regulating a generator set again; and obtaining the engineering practical solution to reactive power optimization considering coupling among the period on the basis of meeting security constraint conditions of electric power system operation. The solution is low in development difficulty and high in efficiency, and has extremely high practicability.

The invention relates to a preparation method of Agaricus bisporus culture materials. The Agaricus bisporus culture materials consist of rape stalk powder, cotton seed hull powder, corncob powder, sweet potato stem powder, cane sugar, calcium sulfate, gypsum, broad-leaf tree sawdust, dipterex, compound fertilizers, maleic hydrazide and polyoxin. The cost of the culture material is low, the raw materials are easy to obtain, the formula and the preparation method are simple, a large quantity of beneficial microorganisms and particle organic fertilizers in the culture materials can meet the growth and development demand of Agaricus bisporus, the size of the produced Agaricus bisporus is large, the weight is great, the growth speed is rapid, the grown Agaricus bisporus is pure white and tender and tastes fresh, the nutrients are rich, and not only can the yield be increased, but also the defects of small Agaricus bisporus size, light weight, slow growth speed and high incidence of diseases are overcome.

The invention discloses an agaricus blazei culture material, which consists of cottonseed hull powder, corn stalk powder, dry chicken manure, corn powder, green grass powder, rice bran, colza cake, lime powder, urea, paclobutrazol and ammonium bicarbonate. The previous 7 raw materials are fed into a crusher to be crushed to particles of a size of about 20 meshes, the crushed materials are taken out and added with the lime powder, urea, paclobutrazol and ammonium bicarbonate in a proportion, the mixture is poured into a stirrer to be stirred for 55 minutes, the stirred mixture is taken out and added with night soil water in a ratio of 1:1.2, the new mixture is stirred uniformly, pilled, pre-wetted for 48 hours and poured into a fermentation tank to be pilled for fermentation for 28 hours, night soil water is added in a ratio of 1:0.5 and is stirred with the fermented mixture uniformly, the mixture is pilled, covered tightly by plastic cloth and compacted, one time of turning is performed when the fermentation temperature is over 70 DEG C, water is added in a proportion of 1:0.5 for each time of night soil water supply, the culture material is turned with the top layer to the bottom layer, the bottom layer to the top layer, the inside to the outside and the out side to the inside at each time of turning, and when the culture material is fermented uniformly, the qualified culture material is prepared.

The invention relates to a preparation method of additive for rapidly fattening cattle. The additive comprises the following components according to the weight percent: 10-20 of bean cake powder, 8-13 of bone meal, 8-13 of fish meal, 8-13 of sesame, 8-13 of cattle growth hormone, 8-13 of blood meal, 1-2 of iodine free salt, 3-5 of corn, 4-10 of pine needle powder, 3-6 of sorghum, 3-6 of lysine, 3-5 of cypress seed kernel, 3-5 of wild chrysanthemum flower, 1-2 of radix stemonae and 1-2 of plantain. The preparation method of the additive comprises the following steps: combining the bean cake powder, the bone meal, the fish meal, the sesame, the cattle growth hormone, the blood meal, the iodine free salt, the corn, the pine needle powder, the sorghum, the lysine, the cypress seed kernel, the wild chrysanthemum flower, the radix stemonae and the plantain together according to the weight percent; placing the same into a drier, controlling the temperature of the drier between 30 DEG C and 50 DEG C and the drying time between 30min and 40min, and controlling the dryness of the dried materials between 85 percent and 95 percent; taking out the dried material; placing the dried materials into a grinder to be ground into powder, taking out the powder and packaging the powder into a container for preservation.

The invention relates to peach special-purpose fertilizer. The peach special-purpose fertilizer comprises, by weight, 35-45 parts of dry sheep manure, 25-35 parts of bean cake, 15-20 parts of rapeseed cake, 3.7-6.7 parts of ammonium bicarbonate, 3.6-4 parts of urea, 1.2-1.8 parts of potassium dihydrogen phosphate fertilizer, 1.6-2 parts of vinasse powder, 1.5-2 parts of carbendazim, 0.7-1 part of paclobutrazol, 0.6-1 part of a fruit tree spot remover, 1-2 parts of calcium carbonate, 0.7-1.5 parts of a Zuoguoling liquid, 0.5-2.5 parts of calcium sulfate, 0.5-2.0 parts of ferrous sulphate and 0.5-2.4 parts of malathion. The peach special-purpose fertilizer has nitrogen, phosphor and potassium contents suitable for peach and peach fruit growth and fully performs element effects. Through use of organic matters and trace elements needed by plant growth, peach fruit yield and quality are greatly improved. The peach special-purpose fertilizer utilizes easily available raw materials, can be prepared by a simple method, has a low cost, improves a peach yield, solves the problem that the peach fruit has a small volume, light weight and a slow growth rate and can easily produce diseases, and provides a novel idea for peach cultivation.

The invention discloses a load projection and mapping method for importing press forming information to a finite element simulation model. The method includes the following steps that node force information of a sheet is positioned, projected and mapped to a die profile grid twice during press forming; load information on the die profile grid is transmitted to a model tetrahedron unit, and node action forces of the sheet are directly applied to a die so as to replace the action of the sheet on the die. The method achieves force transmission between the sheet and the die during press forming, has an important theoretical guiding significance and application value in vehicle press forming die structural analysis, belongs to the technical field of vehicles, solves the problem of how to quickly and accurately project and map the press forming information of the sheet to the finite element simulation model in the prior art, and achieves load projection and mapping between node action forces of different grid models.

The invention discloses an independent microgrid flexible resource capacity allocation method based on scene decomposition-coordination. The method comprises the following steps of establishing a source-load unbalanced power scene and dividing the unbalanced power scene into a power shortage scene set S- and a power excess scene set S+; calculating the feasible range of the controllable power supply capacity and the minimum capacity of a corresponding energy storage device according to the power shortage scene set S-; adopting a common mode search method to coordinate and modify the energy storage capacity to obtain the best configuration with the lowest electricity abandonment penalty according to the power excess scene set S+; comprehensively considering the lowest investment cost and the lowest operating cost to select a flexible resource FGR capacity allocation scheme. According to the method, not only no loss of load can be ensured, but also the best configuration with the lowestelectricity abandonment penalty can be obtained by coordination and correction of the energy storage capacity. The electricity abandonment quantity is reduced, and the planning comprehensive cost is reduced.

The invention discloses a symmetrical component method for short circuit calculation of the voltage-controlled type IIDG included power distribution network. The method comprises the following steps that when the power distribution network has an asymmetric fault, the relation between the three-phase average power of the voltage-controlled type IIDG and the power of positive and negative sequence network is analyzed; a short circuit calculation sequence component model considering symmetrical control for the voltage type IIDG is established; change rule of fault current of the voltage type IIDG is obtained by combining interaction between the voltage type IIDG and the positive and negative sequence network of the power distribution network; and a symmetrical component iteration algorithm for calculating the short circuit current of the voltage-controlled type IIDG included power distribution network is provided, and the short circuit current of the voltage-controlled type IIDG included power distribution network is calculated. According to the method, sequence component method is used for short circuit calculation, the complexity and solution scale of the phase component method can be effectively reduced, and calculation of IIDG short circuit current sequence component can be applied to protection of the power distribution network and control for the power distribution network under asymmetric fault.

The invention relates to a preparation method of a formulated russule culture material. The formulated culture material comprises bean stem meal, leaf powder, corncobs, bean cake meal, cotton seed cake meal, urea, table salt, sand, dichlorovos, terramycin, manganese fertilizer and zinc fertilizer in percentage by weight. The method comprises the following steps of: taking and combining the bean stem meal, the leaf powder, the corncobs, the bean cake meal and the cotton seed cake meal in proportion; pouring an obtained mixture into a pulverizer to pulverize the mixture into granules of about 80 meshes; taking the granules out and then adding the urea, the table salt, the sand, the dichlorovos, the terramycin, the manganese fertilizer and the zinc fertilizer in proportion; then pouring the mixture into a stirrer for stirring for 50 minutes and taking out; and adding water according to a proportion of 1:1.8, uniformly stirring, stacking and fermenting for 5-7 days to obtain a qualified formulated culture material.

The invention relates to a preparation method of high-yield cultivation fertilizer for pear trees. The high-yield cultivation fertilizer for pear trees is prepared by the following components by the weight percent: 32-45 of dried human excrement, 25-30 of bean cake, 12-19 of rape seed cake, 3.6-6.7 of compound fertilizer, the 3.5-4 of dried cow-dung, 1-1.8 of potassium dihydrogen phosphate fertilizer, 1.7-2 of dried chicken manure, 1-2 of carbendazim, 0.5-1 of white sugar, 0.5-1 of dichlorvos, 0.5-1 of spot dispelling agent for fruit trees, 1-2 of wood ash and 0.7-1.5 of fruit setting liquor. The dried human excrement, the bean cake, the rape seed cake, the compound fertilizer, the dried cow-dung, the potassium dihydrogen phosphate fertilizer and the dried chicken manure are all combined together according to the weight percent and poured into a crushing machine to be crushed, the crushed material is taken out, the carbendazim, the white sugar, the dichlorvos, the spot dispelling agent for fruit trees, the wood ash and the fruit setting liquor are added and evenly stirred to the crushed material, all the new material is poured into a stirring machine to be stirred for 60 minutes and then taken out, water is added to the stirred material according to the proportion of 1:1.8-1:2.5 for even blending, the stirred material is stacked together and covered and compacted with plastic cloth and then fermented for 10 days to obtain the qualified cultivation fertilizer for fruit trees.

The invention discloses a compost for gold mushrooms, comprising the following ingredients by weight percentage: chicken manure powder, sorghum stalk powder, rapeseed cake meal, dried duck manure powder, wheat bran powder, broad been skin powder, potato protein powder, gypsum, calcium oxalate, cake fertilizer, white sugar, and phosphate fertilizer. According to the invention, the compost disclosed herein has the advantages of low cost, easy obtainment of raw materials, and simple formula and preparation method; a lot of beneficial microbes generated in the ingredients and granular organic fertilizers in the ingredients can meet the growth requirements of gold mushrooms, the produced gold mushrooms have large size, enough weight, and fast growing speed; the raised gold mushrooms are tender, delicious and has abundant nutritions; the yield is raised, and the problems of small size, light weight, slow growth, and easiness in falling ill of gold mushrooms are solved.

The invention discloses a method for preparing a culture material of gloeostreum incarnatum. The culture material of gloeostreum incarnatum comprises the following raw materials by weight percentage: 35 to 55 percent of cotton seed hulls, 25 to 45 percent of corn meal, 10 to 16 percent of bran, 1.5 to 2 percent of rice bran powder, 0.5 to 1 percent of wooden meal, 1.5 to 2 percent of corncob, 0.5 to 1 percent of calcium superphosphate, 0.5 to 1 percent of lime, 0.1 to 0.3 percent of phosphate fertilizer, 0.1 to 0.3 percent of sugar, 0.1 to 0.3 percent of methylpartricin sodium laurylsulfate liquid, and 0.5 to 0.8 percent of sanmate. The method comprises the steps of: combining the cotton seed hulls, the corn meal, the bran, the rice bran powder, the wooden meal and the corncob together according to the proportion, dumping the mixture into a crusher to be crushed into particles with 60 meshes or so, taking the particles out, adding the calcium superphosphate, the lime, the phosphate fertilizer, the sugar and the methylpartricin sodium laurylsulfate liquid into the particles according to the proportion, then dumping the mixture into a stirring machine to be stirred for 60 minutes, taking the mixture out, placing the mixture into a fermenting tank, adding water into the fermenting tank according to the ratio of 1:1.2-1:1.3, evenly stirring, piling, using plastic cloth to closely cover and firmly press, and fermenting for 24 hours to obtain the qualified culture material.

The invention provides a technological process determination method and device, a server and a storage medium, and aims to improve the solving efficiency of a technological process, and the method comprises the steps: combining steps, which must be processed in the same process, in a workpiece, and obtaining at least one step group of the workpiece; on the basis, taking the minimum cutter cost asthe target, and solving the process to which each step group of the workpiece belongs according to the machining constraint, so that the minimum cutter cost for machining the workpiece is realized; and finally, the inter-step sequence of the workpiece in the same process and the inter-step sequence in the step group are adjusted based on the inter-step machining sequence constraint of the workpiece to generate a machining process sequence (i.e., the process flow) of the workpiece, so that the solving precision of the process flow of the workpiece is further improved.

The invention provides a blade-disc structure coupling vibration characteristic analysis method. The specific method is as follows: based on a cyclic symmetry structure modal analysis basic theory, firstly, size parameters of a basic repeated sector of a blade-disc structure are extracted, the three-dimensional solid model of the basic repeated sector of the blade-disc structure is established based on a mature finite element software ANSYS Workbench platform, and the three-dimensional finite element model of the cyclic symmetry structure is established; and after analysis, a blade-disc integral structure coupling vibration rule is found. The traveling wave pitch diameter vibration frequency of the blade-disc integral structure is further calculated, the method aims at an exciting force source when a blade-disc structure works in an actual engine, the resonance characteristics of traveling wave pitch diameter vibration are analyzed, whether resonance occurs or not is judged, comprehensive analysis of the coupling vibration characteristics of the blade-disc overall structure is completed, vibration faults of the blade-disc structure in the working process of the engine are avoided,and reliable work of the aero-engine is guaranteed.