122results about How to "In line with actual production" patented technology

The invention discloses a determining method for a stratum high-temperature high-pressure gas-phase and water-phase relative permeability curve. The determining method comprises the following steps: S1, preparing a rock core; S2, preparing fluid; S3, carrying out a single separation test on balance gas and balance stratum water; S4, saturating the rock core with water; S5, carrying out a connecting flow and raising the temperature to generate a pressure; S6, carrying out a balance water-phase permeability Kw test; S7, carrying out a gas-driving-water process relative permeability test; S8, correcting an accumulated water yield amount W(t) and an accumulated gas yield amount G(t); converting a value recorded under a ground condition to a stratum condition; and S9, calculating a water-phase relative permeability rate Krw and a gas-phase relative permeability rate Krg at each moment, and a gas-containing saturation degree (Sge) of a rock sample outlet end face. The determining method for the stratum high-temperature high-pressure gas-phase and water-phase relative permeability curve has the beneficial effects that high-temperature and high-pressure conditions of a real gas deposit stratum are effectively simulated and the influences on rocks and the fluid by the high-temperature and high-pressure conditions of the stratum are sufficiently considered; a determined result meets the actual production and the usable value of experimental data is high; the disadvantages in an existing determining method are overcome.

The invention discloses a method for determining technological parameters in a flow industrial process. The method includes the steps of firstly, collecting production data, and using the technological parameters as input and product quality and output to build quality models; secondly, using rule extraction to extract corresponding rules between the input and the output from the production data so as to form a rule library; and thirdly, using optimization to find rules corresponding to given quality indexes according to the given quality indexes, initiating the technological parameters in the range of the rules, using the initiated technological parameters as input of the quality models to predict product quality, calculating errors between the predicted quality and the quality indexes, and correcting to find optimal parameters to enable the errors between the predicted quality and the quality indexes to be minimum. By the method, product yield is improved effectively and production cost is lowered.

The invention relates to a correction method for reasonable productivity prediction of an underground gas storage well. The method comprises the following steps that a gas well binomial productivity equation (inflow curves) represents the supply capacity of a stratum; the flowing capacity of an oil pipe under the condition of limited pipe diameter of the oil pipe is determined through the oil pipe flowing capacity (outflow curve); the maximum flowing capacity of a gas well under the condition of the oil pipe can be obtained through combined intersections of the curves; for the production capacity of the gas well, limits to reasonable production pressure differences also shall be taken into consideration besides the capacity of the intersections of the inflow curves and the outflow curve. According to the invention, the intersections of the inflow curves and the outflow curve are corrected through establishing reasonable production pressure differences of the gas well, and the reasonable productivity of the gas well is obtained after correction. The method is simple in calculation, conforms to the actual situation, and can further guide the design of the gas storage effectively.

A kind of optimized dispatching method for hot-rolled metal, which includes that it extracts the customer data and production data from data collection system and data center, and makes the hot-rolled production plan according to the built mathematical model of optimized production, and the characteristics are: the model is built according to the craft constraints and the hot-rolled cost, and the aims for undetermined plans and parallel hot-rolled plan is to minimize the production cost; (2)the solution of model adopts two kinds of hybrid algorism containing loop exchange algorism. It provides the hot-rolled dispatching optimized system and device based on said method, and the system is formed by combination of model design idea and graph interface, and the model construction module and model solution module are embedded in the auto production module for production plan; and the devices include PC, interface, router or switcher, and the complete software which consists of said functional module is mounted on the PC, and which is connected with the front end of hot-rolled control system by network or inner sever.

The invention discloses a method for measuring a gas and water production dynamic relative permeability curve in undersaturation coal reservoir development. The method comprises the steps that gas well accumulation production Q is obtained; a production phase of a production well is judged; reservoir pressure p and reservoir water saturation Sw are obtained; the reservoir pressure p is introduced into an improved absolute permeability model, and the absolute permeability K is obtained; irreducible water saturation Swr is predicted by measuring the porosity phi; the reservoir water saturation Sw and the irreducible water saturation Swr are introduced into a relative permeability model, and the relative permeability kr is obtained; the relative permeability and the absolute permeability are coupled on the condition of the identical the reservoir pressure p and the identical reservoir water saturation Sw, and the effective permeability ke at the moment is obtained. The method solves the problem of measuring the undersaturation coal reservoir gas and water relative permeability curve, the positive and negative effects and the slippage effect in the developing process are taken into consideration, the changes of a two-phase common flow area relative permeability curve can be represented, the changes of a single-phase water stage relative permeability curve can be better represented, the influence of water invasion is taken into consideration, and the actual production of undersaturation coal gas reservoirs are better met; a nuclear magnetic resonance method is used, convenience, fastness and non-destruction are achieved, precision is higher, and practicability is higher.

The invention discloses a soil testing and formulated fertilization method for use in environment-friendly cultivation of cucumber. The method comprises the following steps: detecting the soil of a place of origin as well as the contents of organic matters, alkali-hydrolyzable nitrogen, rapidly available phosphorus and rapidly available potassium contained in organic fertilizers; detecting target yield, reasonably selecting the utilization ratio of each nutrient in soil during seasonable production of cucumber, and selecting the utilization ratio of each nutrient in applied fertilizers during seasonable production of cucumber; determining the absorption of each known major nutrient by cucumber; selecting fertilizers according to the pH value of soil and the fertilizer needing characteristics of crops; calculating and determining the needed amounts of a main fertilizer and an auxiliary fertilizer; determining a formulated fertilization scheme; and determining a fertilization method. The calculation of the formulated fertilization amount is more accurate and more reliable than that in the prior art; by considering the types and characteristics of varieties, the target yield is more consistent with practical situations; the nutrient amount of soil is calculated accurately and reliably; the fertilizers are selected under the full consideration of the soil acidity and alkalinity as well as the requirement of cucumber on fertilizer characteristics; by adopting the fertilization method, labor force is reduced, and the production cost is lowered.

The invention provides a method for evaluating the rice planthopper-resistant property of rice. The method includes the steps that: (1) a nylon net greenhouse is constructed; (2) rice varieties, which include a rice variety to be tested, a pest-resistant check variety and a pest-susceptible variety, are planted in the greenhouse; and the pest-susceptible variety is planted around each variety to serve as rice planthopper-inducing rows; (3) the dosage of nitrogenous fertilizer is 200kg / ha to 250kg / ha; (4) at the early tillering stage of all the varieties, 2.5 percent of deltamethrin emulsifiable concentrate or 20 percent of triazophos emulsifiable concentrate is used for killing all pests and natural enemies in the net; (5) 10 days after the step 4, adult rice planthoppers are put on the pest-susceptible check variety (TN1) planted around the rice variety to be tested, 5 to 10 pairs per clump, and are freely and naturally propagated and randomly transferred to the variety to be tested; (6) after the step 5, when all of the pest-susceptible check variety in the test field dies, the resistance of each variety is evaluated, wherein the rice variety to be tested has high resistance when the death rate of the rice variety to be tested is less than 10 percent, pest resistance when the death rate is 11 percent to 30 percent, medium resistance when the death rate is 31 percent to 50 percent, medium susceptibility when the death rate is 51 percent to 70 percent, and pest susceptibility when the death rate is higher than 70 percent. The method has the advantages of simplicity and high operability, and accords with production reality.

The invention provides a bilayer planning method for intelligent scheduling for steelmaking-continuous welding production. The method comprises the following specific steps: describing a problem of solving a production lot plan and a production time plan as a system optimizing problem with a bilayer hierarchical structure by combining with the hierarchy characteristics of steelmaking-continuous welding production scheduling; simultaneously researching two classes of plans in the same model; and carrying out global consideration on two classes of plans while an optimization target is set and an optimization variable is selected. In the built bilayer planning model for the intelligent scheduling for steelmaking-continuous welding production, an upper-layer scheduling is a problem of combining, sorting and distributing cast; and low-layer scheduling is a problem of searching optimized production time on the premise of known cast plan. By utilizing the bilayer planning method, the defect existing in the traditional compilation mode of the steelmaking-continuous welding production plan can be avoided, and the plan enforceability as well as the authenticity and the practicality of a plan optimization result can be improved. A sulphur removal station and an LF (Ladle furance) furnace serve as a buffer link in the whole-factory production scheduling, and the flexibility of the plan is enhanced.

The invention relates to a high resistant starch (RS3) content product prepared through autoclaving treatment and enzymatic debranching and a preparation method thereof. The product is prepared by the following method that 1, native starch and water are mixed to obtain starch suspension liquid, autoclaving treatment is performed for 5-48 minutes, and cooling treatment is performed; 2, pH is regulated and enzymatic debranching treatment is performed, or after aging treatment is performed, pH is regulated and debranching treatment is performed; 3, an obtained sample is treated through enzyme deactivation, aging, drying, powder grinding and sieving, and the high resistant starch content product is prepared. The product takes the starch as the raw materials and adopts the method of combining autoclaving treatment and enzymatic debranching, the resistant starch (RS3) content in the obtained product is above 40 percent, the resistant starch content is greatly increased, the production technology is simplified, and the production cost is lowered.

The invention discloses a method for determining floor water inrush danger level of coal mining working faces in a personalized manner, and belongs to the field of coal safety mining. Factors such as water pressures of floors of the coal mining working faces, the thicknesses of water-insulation layers, destruction phenomena of floors of coal seams due to mine pressures, lithological combinations of rock strata of water-insulation sections and original guide rise and development phenomena of floor confined underground water are comprehensively considered, implicit functional dependency relationships between the influence factors and the water inrush danger level are established, and comprehensive evaluation index systems for evaluating the floor water inrush danger level can be established by means of interpolation analysis on sudden change points of implicit functions. The method has the advantages that the various factors which can affect coal mining floor water inrush thread are comprehensively considered, the functional dependency relationships between the various influence factors and water inrush coefficients are established, accordingly, the difficult problem that only water pressures and the thicknesses of water-insulation layers are considered in the traditional method or functional dependency relationships between influence factors and water inrush coefficients cannot be established is solved, and the novel method can be provided for computing the water inrush coefficients.

The invention belongs to the field of metallurgy continuous casting production process control, and more specifically relates to a crystallizer bleed-out forecasting system based on logic judgment. According to the system, a hardware component comprises a combined type crystallizer, thermocouples, bleed-out forecasting system computers, a PLC, an interchanger, thermocouple compensation cables, an audible and visual alarm, a relay and a remote station, and further comprises a data acquisition unit, an automatic bleed-out data compression storage unit, a self-learning and off-line analysis unit and an alarm and execution unit, wherein the bleed-out forecast system computers comprise a client-side computer and a server computer, the client-side computer is used for monitoring and displaying bleed-out data, and the design of embedding rows and line spacing of the thermocouples enables the time required to propagate a thermocouple interval in the transverse direction and in the longitudinal direction of bonding tearing openings is the same. The system has the advantages that the timely and accurate forecast for bonding bleed-out can be realized, the smooth continuous casting production can be ensured, and the casting blank quality can be improved.

The invention provides a novel shed pear tree fruiting branch group. The novel shed pear tree fruiting branch group comprises a rotary shaft branch 3a, a rotary shaft branch 3b and a fruiting shaft 4 which are sequentially born on a bough 1, a short fruit spur group 5 is born on the fruiting shaft 4, and an extensible shaft 61 forming a 60-degree angle with a shed and a straight extensible branch 62 are sequentially born at the tip of the fruiting shaft 4. The culturing method of the novel shed pear tree fruiting branch group includes: setting culturing time of a long fruiting branch group 2 and selecting twigs; culturing the rotary shaft branches 3; culturing and luring the fruiting shaft 4 of the long fruiting branch group; culturing short fruit spurs on the fruiting shaft 4 and the short fruit spur group 5; maintaining the fruiting shaft 4 of the long fruiting branch group 2 after leveling and putting the fruiting shaft 4 on the shed, and the like. The novel shed pear tree fruiting branch group is compared with conventional shed pear tree fruiting branch group, the service life of the fruiting branch group is prolonged to 6-8 years from 3-4 years of the conventional fruiting branch group, weight of single fruit of every 667m<2> is increased by 11.6-17.2%, yield is increased by 60.0-81.7%, fruit uniformity is improved, and trimming labor cost is reduced by 26.5%.

The invention discloses an improved coal seam floor water inrush vulnerability evaluation method. On the basis of determined 'constant-weight weighting' of all main controlling factors, the method further comprises the first step of determining 'variable-weight weighting' of all the main controlling factors, the second step of establishing a floor water inrush vulnerability evaluation model based on the partition variable-weight principle, and the third step of performing evaluation, prediction and partition on coal seam floor water inrush vulnerability. The key technical problems in coal seam floor water inrush vulnerability evaluation and prediction are solved by applying the partition variable-weight principle and model for the first time. The partition variable-weight model not only lays emphasis on the control effect on coal seam floor water inrush by all the main controlling factors but also lays emphasis on the control effect on the coal seam floor water inrush by the mutual incidence relations between all the main controlling factors. Accordingly, the evaluation thought of the partition variable-weight model is more reasonable, the evaluation method is more advanced, and evaluation results are more in line with actual production. By using the method, the defect that each main controlling factor only has one constant weight in the whole research area in the evaluation and prediction process can be overcome, and therefore the evaluation and prediction accuracy of the coal seam floor water inrush can be greatly improved.

The invention belongs to the field of control of metallurgical continuous-casting production techniques, and relates to a crystallizer breakout prediction method based on logical judgment. The crystallizer breakout prediction method based on logical judgment comprises the following steps that firstly, logical judgment rule parameters are read; secondly, data are acquired and processed; thirdly, temperature rise of thermocouples is detected; fourthly, the temperature rise rate of the thermocouples which meet the temperature rise judgment condition is detected; fifthly, temperature change delay of the three thermocouples around the thermocouple TC (i, j) with abnormal temperature rise is detected; sixthly, the seven steps is conducted after detection of continuous temperature fall of the thermocouple TC (i, j) or detection of the temperature change delay of the thermocouples around the thermocouple TC (m, n); seventhly, temperature inverted detection of the thermocouples is conducted; and eighthly, whether a sticking breakout alarm needs to be given out or not is judged according to the alarm shielding condition. By adoption of the crystallizer breakout prediction method based on logical judgment, timely and accurate prediction of sticking breakout is achieved, smooth proceeding of continuous-casting production is ensured, and the quality of cast blanks is improved.

The invention discloses a gas reservoir stress sensitivity evaluating experiment method considering bound water under the formation condition. The gas reservoir stress sensitivity evaluating experiment method comprises the steps of core preparation, fluid preparation, establishment of formation temperature and pressure conditions, establishment of core bound water saturation, stress sensitivity evaluation experiment, calculation of permeability under all test points in the stress sensitivity experiment, experiment concluding and the like, and the gas reservoir productivity of a reservoir witha core used in the experiment is predicted according to stress sensitivity damage degree evaluation obtained through experiment concluding. The temperature and pressure conditions of a real gas reservoir formation are effectively simulated, the influence of the formation bound water is fully considered, the measurement result better conforms to actual production, and the available value of experiment data is high; and the stress sensitivity situation of the formation in the production process can be more truly simulated through the experiment, the defect that the influences of the formation bound water and the temperature on results of the gas reservoir stress sensitivity evaluating experiment are not considered in an existing measurement method is overcome, and the experiment method is provided for obtaining gas reservoir stress sensitivity evaluating experiment data with the higher available value.

The invention relates to the technical field of planning and design of power dispatching systems, in particular to a wind-light-water complementary power generation plan calculation method based on power grid structure and cascade hydropower station hydraulic connection coupling in a mutual compensation operation mode of water power generation, wind power generation and photovoltaic power generation. The method comprises the following steps: establishing a layered structure covering a basin hydropower station, a wind power and photovoltaic physical power station and a power supply set according to a power delivery channel of the wind power, photovoltaic and cascade hydropower stations in the basin; on the basis of the established power station and power supply layered structure, establishing a wind-light-water complementary scheduling model which comprehensively considers a power station sending-out channel in a drainage basin and hydraulic connection between hydropower stations; and solving the models according to a hierarchical coordination method to meet the requirements of the cascade hydropower station and basin wind power and photovoltaic power complementary power generationoperation and plan making oriented to power grid operation.

The invention discloses a shale full-diameter rock core starting pressure testing method in a radial flow flowing mode. The shale full-diameter rock core starting pressure testing method comprises: 1)selecting a shale full-diameter rock core; 2) arranging a water injection pipeline at the center of the shale full-diameter rock core in a penetrating manner, wherein the water injection pipe is provided with an injection hole; 3) placing the shale full-diameter rock core and the water injection pipeline in a rock core clamper to form a radial flow experiment device, and calculating the pore volume of the shale full-diameter rock core, wherein the side wall of the rock core clamper is provided with an opening; 4) displacing the simulated formation water in the shale full-diameter rock core byusing simulated oil until achieving an irreducible water saturation degree to obtain the starting pressure of the shale full-diameter rock core under the irreducible water saturation degree; 5) simultaneously injecting simulated oil and simulated formation water into the shale full-diameter rock core to obtain the starting pressure of the shale full-diameter rock core under a certain water saturation degree; and 6) injecting simulated formation water into the shale full-diameter rock core to obtain the starting pressure of the shale full-diameter rock core under the residual oil saturation degree.

The invention provides a fragmental rock oil and gas reservoir development unit partitioning method. The method is characterized in that an oil and gas reservoir with known injection-production pattern information is longitudinally and planely partitioned, so that the oil and gas reservoir is partitioned into more than two development units, the static connectivity and dynamic connectivity are analyzed for the plane partitioning, the fault properties and hydrodynamic property are further judged, the output ratio of two adjacent production wells is calculated, and finally a seepage field range and a main stream line position can be determined. Compared with the prior art, the partitioning of the development unit is in conjunction with the static and dynamic data of the oil and gas reservoir, and the partitioning of the development unit which is carried out by adopting the seepage field in the development as the unit can well conform to the real production of the oil and gas reservoir. The evaluation on the development effect of the fragmental rock oil and gas reservoir carried out on the basis of the method is more reasonable, the distribution of the residual oil is more clear and reliable, and the guidance significance on implementing the subsequent production means of the oil and gas reservoir and improving the recovery ratio can be realized.

The invention relates to a growing pig feeding method. The growing pig feeding method comprises the following steps that feed A and feed B are applied; the feed A and the feed B are mixed according to the proportion being 1:2 to feed piglets 35-55 days after the piglets are born; the feed A and the feed B are mixed according to the proportion being 1:1 to feed the piglets 55-80 days after the piglets are born; the feed A and the feed B are mixed according to the proportion being 2:1 to feed the piglets 80-120 days after the piglets are born. The growing pig feeding method is reasonable in formula, and suitable for growing pig growth and development and physiological characteristics, the adaptability of converting breast milk to feed for growing pigs can be significantly improved, the growing pig appetite is greatly improved, growing pig growth is accelerated, and therefore marketing time is shortened. The growing pig feeding method is low in cost and suitable for actual production of a pig farm.

The invention optimizes a preparation technology and a formula of pickles. A moso bamboo is used as a fermentation container of the pickles, in the fermentation process, the fermentation liquid of the pickles fully comes into contact with the bamboo tube, and the flavor substances of the moso bamboo is merged with the fermentation liquid of the pickles, so that bitter and astringent tastes of the pickles after fermentation are removed, the color and the luster of the pickles are simple and elegant, and the mouth feel of the pickles is rich, fragrant and pure; after the pickles are eaten, fragrance is remained in a mouth, and aftertastes are endless.

The invention discloses a flexible workshop task scheduling optimization method based on a hybrid algorithm of DE and L-BFGS-B, which is designed for the production management of a workshop and comprises the following steps: 1) establishing a mathematic planning model for a flexible workshop scheduling problem; 2) based on the Gaussian function and penalty function method, optimizing the original mathematic planning model as a continuously differentiable and unconstrained generalized objective function; and 3) based on the hybrid algorithm of DE and L-BFGS-B, obtaining the optimal fitness value of tardiness minimization by solving the unconstrained generalized objective function. According to the invention, the tardiness minimization is used as an optical object, and various constraining conditions for the equipment and the operator are considered. Therefore, it is possible to provide guidance for actual production and to increase the production efficiency.

The invention provides an evaluation method of a scale inhibition rate of a scale inhibitor with a high barium sulfate scale content for an oil field. A barium chloride A solution with a certain concentration and a sodium sulfate B solution with a certain concentration are prepared according to an actual ion content of produced water, wherein other ions in the two solutions are replaced by sodiumchloride, a scale inhibitor C solution is prepared, a to-be-tested sample with the scale inhibitor, a to-be-tested sample without the scale inhibitor and a blank sample are prepared, the content of bari um ions in the to-be-tested solutions are tested by EDTA chemical titration, the EDTA consumption of the to-be-tested sample with the scale inhibitor, the to-be-tested sample without the scale inhibitor and the blank sample are calculated to obtain the scale inhibition rate of barium sulfate scale so as to realize the evaluation of the scale inhibition rate of the barium sulfate scale inhibitorfor oilfield water, especially the evaluation of oilfield water with high salinity. The evaluation method is more in line with actual production and can correctly guide a scale inhibitor filling process. The method is simple in operation, low in requirement for testing personnel, low in detection cost and strong in operability of oil production units, and benefits for popularization.

The invention provides a method for solving a fault-tolerant upper bound of a reconfigurable multiprocessor array and belongs to the field of reconfiguration of the multiprocessor array. According to the method, processor units which are not usable logically are labeled in the processor array, local area reversal is carried out on adjacent rows which can cause misjudgment easily, the maximum usable logic column number is obtained, then the fault-tolerant upper bound is obtained, and then advantages and disadvantages of an existing reconfiguration algorithm are evaluated by using the fault-tolerant upper bound. By means of the method for solving the fault-tolerant upper bound of the reconfigurable multiprocessor array, the more accurate fault-tolerant upper bound is obtained, and therefore the advantages and the disadvantages of the existing reconfiguration algorithm can be evaluated more accurately; and the range of replaceable damaged processors is further limited, and therefore results can better conform to production reality.

The invention relates to feed additives capable of improving heat behaviors of replacement gilts. The feed additives comprise soy isoflavone, pueraria extracts, dye genistein, fructose and glucose. The feed additives are reasonable and innovative in formula and conform to growth, development and physiological characteristics of the replacement gilts; after application of the feed additives, silent heat rate of the replacement gilts is remarkably declined, the heat behaviors are improved, and breeding rate of the replacement gilts is increased while cost is low and the feed additives comply with actual production of a pig farm.

The invention belongs to the technical field of three-dimensional measurement, and discloses a sensor measurement viewpoint planning method in automatic three-dimensional measurement of surface structured light. The method comprises the steps of: (a), packaging a three-dimensional structural model of an object to be measured by adopting multiple cube volume blocks; (b), constructing six semi-spheres and candidate measurement viewpoints in each volume block; (c), intersecting the single volume block with the three-dimensional structural model to obtain multiple spline surfaces, and solving thecentral point, the average normal vector and the area of each spline surface; (d), calculating the zenith angle and the azimuth angle of the average normal vector of each spline surface in the singlevolume block in a three-dimensional coordinate system, and determining an area, which each spline surface belongs to; (e), calculating measurement quality parameters of the candidate measurement viewpoints; and (f), comparing the quality parameter of each candidate measurement viewpoint with the pre-set threshold value, so that the required measurement viewpoint is obtained. By means of the sensormeasurement viewpoint planning method in automatic three-dimensional measurement of surface structured light in the invention, the calculation process is simple; the automation degree is high; and the sensor measurement viewpoint planning method is suitable for planning measurement viewpoints of complex parts.

The invention relates to a compound feed for improving a weaned pig fur. The compound feed comprises the following raw materials: corn, extruded corn, puffed rice, puffed soybean powder, puffed sorghum, peeled soybean meal, whey powder, soybean oil, a coating acidifying agent, phytase, coated zinc oxide, glucose, white sugar, imported fish meal, a vitamin premixing agent, a microelement premixing agent, organic iron, lysine, methionine, threonine, tryptophan, N-carbamylglutamate, an antioxidant, a mildew preventive, a sweetening agent, an antimicrobial peptide, konjaku flour and seaweed meal. The feed disclosed by the invention is reasonable and innovative in formula, and suitable for physiological characteristics of a weaned pig, and meets the comprehensive nutrient requirements of the weaned pig; the effects on the weaned pig fur caused by zinc oxide are reduced; meanwhile, the fur condition of the weaned pig is improved; and the weaned pig can be kept red in skin and bright in fur.

The invention provides a robust single machine scheduling method based on interval uncertainty, and belongs to the field of production scheduling and operations research. The method includes: establishing a robust optimization model RSMSP of single machine scheduling, wherein an optimization target is to search an optimal workpiece machining sequence to enable the maximum waiting time of the sequence to be minimum in a poorest scene; during solution, converting the model RSMSP to a mixed linear integer programming model P; and solving the model P by employing a two-stage heuristic solution algorithm to obtain the optimal machining sequence, namely an optimal scheme of robust single machine scheduling. According to the method, uncertain parameters are expressed by employing the mode of interval estimation, a method for recognizing finite possible poorest scenes in an infinite scene set, which is in more accordance with the production reality, is firstly proposed, and decision risks canbe reduced to the maximum and the system performance can be guaranteed in the condition of poor information.

The invention discloses a pickle production method for effectively inhibiting pickle albuginea disease during the fermentation process. According to the production method, fresh vegetables are washed and dried; auxiliary materials such as ginger, garlic and the like are processed to obtain a powder; and the powder and the vegetables are put into a jar and fermented for 7-9 days so as to be matured. According to the invention, pickle albuginea can be effectively prevented during the fermentation process, and traditional fermented pickle flavor and taste are not influenced. In addition, the production method accords with production reality of the domestic fermented vegetable processing industry. The technological method is simple and practical, and produced pickles are safe, healthy and nutritive.

The invention discloses a fully-mechanized excavation face self-adaptive foam dust-removing system. The fully-mechanized excavation face self-adaptive foam dust-removing system comprises a simulated dust-generating device, a dust detecting device, a foam generating device and a control system; the dust-generating device applies a rotary dust throwing mechanism and is closer to the actual tunnelingdust-generating condition; the dust detecting device is simple in sampling detection and reliable in data; the foam generating device can obtain foam with high foaming multiple and good wettability by adjusting the mixed ratio of gas to a foaming agent to water; the control system can control the opening degree of a servo valve and then control the flow quantity of the water, the foaming agent and compressed air by a self-adaptive method according to the dust concentration detected by the dust detecting device, so that and the use amount of the foam is reduced on the basis that the dust-eliminating requirements are met. The fully-mechanized excavation face self-adaptive foam dust-removing system is capable of automatically controlling the flow quantity of the foam according to the dust amount on a working face, providing uniform and stable foam, improving the dust-removing effect and preventing the waste of the foam agent, and is convenient to operate, intelligent, economic and efficient.

The present invention discloses preparation technology of double-tube cover-type fermented pickles. Fresh vegetables are washed and dried, ginger, garlic and other adjunct materials are processed into powder, and dried vegetables and adjunct material powder are put into a jar together and fermented for 7-9 days, thereby obtaining the finished products. Bamboo tubes are used as fermentation jars in the fermentation process so that ''mildewed phenomenon'' of the pickles can be effectively prevented by means of technology without affecting flavor and taste of the traditional fermented pickles; the pickles not only have a unique refreshing and fragrant flavor of bamboos, but also meet the production reality of domestic fermented vegetable processing industry; and the preparation technology is simple and practical, the produced pickles are safe, health and nutritional.