88results about How to "Avoid unstable product quality" patented technology

The invention relates to a thirty-spice condiment and a preparation method thereof. The thirty-spice condiment comprises star anise, clove, zanthoxylum, costustoot, dried orange peel, villous amomum, fennel, cinnamon, rhizoma kaempferiae, galangal, amomum tsao-ko, rhizoma zingiberis, hot pepper, liquorice, white pepper, allspice, angelica root, rosemary, thyme, bay, cumin, long pepper, fenugreek,coriander, wrinkled giant hyssop, lesser galangal, purple perilla, schisandra chinensis, turmeric and fructus galangae. The thirty-spice condiment provided by the invention has a simple production process and is a raw material suitable for specific foods; and as the components are proportioned scientifically, the condiment has stronger taste as well as color, aroma and taste superior to general condiments, the cooking dosage can be effectively reduced, the nutrient components of the condiment are increased, the original tastes of the raw materials are highlighted, the self odor of the food isremoved, specific aroma is released in a cooking process and the aims of heightening appetite and promoting digestion are achieved.

The invention discloses a tea intelligent blending method and a system, and belongs to the technical field of food quality rapid evaluation. According to the tea intelligent blending method and system, multi-sensor information bionic evaluation technology is adopted, a machine vision module, a visible near-infrared light spectrum module, and an electronic nose module in the tea intelligent blending system are used for obtaining shape, color, smell, taste, and infused leaf characteristic evaluation information of tea firstly, standard tea sample machine self-learning training is adopted to establish a tea blending index standard database; obtaining and quantization of the above characteristic evaluation information of raw materials of blended tea are realized, a multiply-optimized combined model is established, and an optimal tea blending scheme is designed based on comprehensive consideration of the conformity with a standard tea sample and the cost of the blending scheme, so that tea quality is ensured, and the best benefits are achieved at the same time. The tea intelligent blending method is capable of solving problems such as unstable product quality caused by artificial tea blending, providing an optimal solution for blending of a plurality of tea samples, and providing an intelligent solving scheme for complex blended tea.

The invention discloses a fermentation type lobster seasoning and a making method thereof. The method comprises the steps of: carrying out pretreatment and enzymolysis with lobster leftovers as raw materials, then carrying out fermentation with Lactobacillus helveticus capable of producing dipeptidase and tripeptidase, concentrating and extracting to prepare a compound amino acid nutritious fermentation liquor containing the active functional component of taurine; and mixing the nutritious fermentation liquor with a mixed liquid prepared from various spice herbaceous plants through the steps of frying, decocting, stewing and boiling, adding a food additive for blending, homogenizing, sterilizing to prepare the liquid or sauce type lobster seasoning. By adopting a biological technology to make the lobster seasoning, the invention overcomes the technological bottleneck on limiting the development of the lobster seasoning industry and provides a normalized and standardized making method of the special lobster seasoning, thereby promoting the rapid development of the lobster industry.

The invention relates to the technical field of brake materials, in particular to a powder metallurgy friction material for high-speed train braking and a preparation method of the powder metallurgy friction material. The powder metallurgy friction material is prepared from the following raw materials: copper powder, iron powder, copper-plated flake graphite, copper-plated graphite granules, chromium iron powder, molybdenum disulfide powder and alumina fiber through a powder metallurgy process. The powder metallurgy friction material has good mechanical properties, and is stable in friction coefficient, small in abrasion loss and good in thermal failure resistance; through the adopted raw materials and the ratio, the friction material with excellent properties can be prepared at the relatively-low sintering pressure and temperature, energy consumption is saved, a preparing process is simple and easy to control, the performance is excellent, and good application prospects are achieved.

The invention discloses a method for microwave vacuum drying of edible bird's nests. The method comprises the following steps of immersing raw edible bird's nests by RO water for 20-30min, manually and gently picking hair out of the edible bird's nests, carrying out secondary immersion of the edible bird's nests by clear water for 20-30min to obtain edible bird's nest cups, carrying out draining and setting of the edible bird's nest cups, drying them in a vacuum microwave dryer having a vacuum degree of 0.060Mpa and microwave power of 230KW for 30min, taking out the dried edible bird's nest cups in a cleaned work room, and carrying out grading, weighing and packaging. The method can effectively improve production efficiency, guarantee stable product quality, greatly improve a drying rate, solve the traditional drying method problem of unstable product quality and effectively improve production efficiency.

The invention relates to LCM technology DC resistance real time monitoring method. It includes the following steps: pre-molding cross laying laser wire and inducing wire determine monitoring point; applying DC voltage to the two sides of the point and connecting ratio resistance to form divider circuit, measuring the voltage of the resistance that could be gathered and displayed by PC, the tested pre-molding body resistance would be gained after calculating; taking resin filling mould and recycling scanning all the monitoring points to judge the arrival of the resin flow peel; after filling mould, the pre-molding resistance of every monitoring point is increased, monitoring the alteration of the body resistance, the resin solidifying situation would be monitored. The invention could decrease defective percent, improve product quality, and effectively solve the product quality unstable problem in the producing of resin based compound material.

The invention discloses a method for preparing an ampicillin sodium salt. In the method, the general refrigerating and drying process has an additional post-treatment step of milling ampicillin sodium which is refrigerated and dried under vacuum into powder, filling the powder into a bipyramid, vacuumizing the bipyramid, heating the powder, keeping the temperature of the powder between 45 and 95 and the heat preservation time between 40 and 180 minutes and mixing the powder and separately packing the mixed powder. The method of the invention overcomes the drawback of instable quality of the products prepared by the traditional refrigerating and drying method and prepares high-purity, low-hygroscopicity and stable-quality ampicillin sodium raw material and preparation. The method is simple in process, avoids consuming a large amount of organic solvent like a solvent crystallization method and recovering the organic solvent and therefore has low cost.

The invention provides fusarium oxysporum BM201, compound pectinase produced by the fusarium oxysporum BM201 and a preparation method and application of the compound pectinase. The fusarium oxysporum is fusarium oxysporum BM201; the Latin Name of the fusarium oxysporum is Fusarium oxysporum; the preservation number of the fusarium oxysporum is CGMCC No.9108. The Fusarium oxysporum BM201 provided by the invention is capable of simultaneously producing multiple pectinases such as polygalacturonase, pectate lyase, pectinesterase, cellulase and hemicellulase to form the compound pectinase. By virtue of coordinated proportion and mutual action of various enzymes in the compound pectinase, the removal rate of the peels of the fruits can be increased when the compound pectinase is utilized for removing peels of plants and fruits, and the production efficiency can be improved. The strain can be further used for decomposing waste residues such as fruit peels, so that the environmental pollution is alleviated, and the waste is recycled.

The invention discloses a co-rotating differential multi-screw extruding machine with the gradually changing type thread number and a machining method thereof. A first threaded rod in the extruding machine comprises two single-start thread elements, three single-start-gradually-changed-to-double-start transition thread elements, a double-start thread element and three double-start-gradually-changed-to-single-start transition thread elements; and a second threaded rod comprises two double-start thread elements, three double-start-gradually-changed-to-four-start transition thread elements, a four-start thread element and three four-start-gradually-changed-to-double-start transition thread elements. According to the machining method, a threaded rod mechanism achieves five enhancement mixing mechanisms by adopting the structure of the threaded rod mechanism, and conducts all-sided enhancement mixing on materials.

The invention discloses a grafting reaction device. The grafting reaction device comprises film casting equipment, grafting addition agent dispersion pre-reaction equipment and reactive extrusion grafting equipment, wherein the film casting equipment is used for extruding a premixed material in a mixed mode and casting the premixed material into a polymer film; the grafting addition agent dispersion pre-reaction equipment is used for dispersing grafting addition agents onto the polymer film and making the grafting addition agents have a pre-grafting reaction with the polymer film; the reactive extrusion grafting equipment is used for grafting functional monomers to a polymer molecule chain to form a graft polymer. According to the grafting reaction device, the polymer is cast to form the film, the grafting addition agents are dissolved in a dispersing agent and sprayed on the molten polymer film in a mist spray mode, the pre-grafting reaction happens to the surface of the molten polymer film, a grafting reaction is completely conducted in the reactive extrusion grafting equipment, a trace of the grafting addition agents are uniformly dispersed, the intercoupling probability of free radical active points of the polymer is lowered when the material is constantly sheared in a screw rod and an interface is updated so that the occurrence probability of crosslinking side reactions can be lowered, and the graft polymer which is high in grafting ratio, small in fisheye quantity and small in smell is obtained.

The invention discloses a preparation method of rose ferment fermented with pure strains, and belongs to the technical field of food processing. The rose ferment is prepared from roses as a main raw material by the following steps: adding white granulated sugar and water, performing uniform mixing, performing sectional inoculation with patent strains lactobacillus plantarum and saccharomyces cerevisiae, and performing fermentation in a sealed container. The obtained rose ferment stock solution is free of artificially synthesized pigments, spices and preservatives, has a natural rose red color,strong and pure rose fragrance and sour, sweet and fresh mouthfeel, and has the effects of regulating intestinal florae, beautifying skin, keeping youthfulness and the like after being drunk for a long term.

The invention provides an automatic control system for controlling the reflux of a light component removal rectifying tower. The automatic control system comprises a reflux drum communicated with a rectifying tower, an executing mechanism arranged on a discharge pipeline of the reflux drum and used for regulating the reflux ratio of fractions in the reflux drum, a pressure controller for acquiring the pressure value of the rectifying tower and providing the pressure control variable for a signal selector according to the pressure value, a temperature controller for acquiring the temperature value of the reflux drum and providing the temperature control variable for the signal selector according to the temperature value, and the signal selector for receiving the pressure control variable and the temperature control variable, and selecting one of the variables to control the opening of the executing mechanism. Through the correlation of the temperature and the pressure parameter in the system with the action of the discharge valve of the reflux drum, the action of the discharge valve is controlled in real time according to the state in the system, so that the product quality unstability or the material waste due to excessive emission is avoided.

The invention discloses automatic water transfer printing equipment for canvas shoe batch which. The automatic water transfer printing equipment comprises a transfer printing box, and a transfer cavity is formed in the transfer printing box; a first communicating cavity penetrating through the inner wall of the upper side of the transfer cavity is formed in the inner wall of the upper side of thetransfer cavity, and a first sliding groove cavity with a rightward opening is formed in the inner wall of the left side of the transfer cavity; a first electric sliding rail, a second electric sliding rail and a third electric sliding rail with forward openings are arranged on the inner wall of the rear side of the transfer cavity, and a second communicating cavity penetrating through the inner wall of the right side of the transfer cavity is formed in the inner wall of the right side of the transfer cavity; and a feeding device is arranged in the second electric sliding rail. According to the automatic water transfer printing equipment, transfer paper is mechanically intercepted through the equipment, and floats on the surface of water; the shoes are fixed to the designated positions, and then water transfer printing can be conducted on the vamps of the shoes; since the equipment automation degree is high, the product quality instability due to manual manufacturing is avoided; meanwhile, the water transfer printing efficiency can be greatly improved, the production period is shortened, and the production cost is reduced.

The invention provides bio-organic fertilizer for watermelon planting, prepared from the following raw materials according to a weight proportion: 20 to 30 parts of kitchen waste, 20 to 30 parts of cottonseed meal, 5 to 10 parts of peanut shell, 4 to 8 parts of chicken manure, 10 to 15 parts of sawdust, 5 to 10 parts of sugar residue, 3 to 5 parts of rapeseed cake powder, 0.1 to 1 part of microbial agent, 0.01 to 0.05 part of plant growth promoter and 1 to 2 parts of trace element; the bio-organic fertilizer for watermelon planting is comprehensive and balanced in nutritional ingredient, and is easy to absorb by watermelon crops, thus enhancing the drought resisting and disease-and-pest-resisting capabilities of the watermelon crops and improving the yield and quality of watermelons. The invention also provides a production method of the bio-organic fertilizer for watermelon planting; by adopting the production method, the technical problems that during organic fertilizer production by using biomass resources, raw material characters are instable, and material decomposing is not thorough are solved, the fertilizer efficiency of the organic fertilizer is improved, and meanwhile the pollution of wastes to pollution is avoided.

The invention relates to a production method of furfuryl alcohol, in particular to a production method of high-purity furfuryl alcohol. The method is characterized by comprising the following steps of: uniformly mixing furfuryl alcohol with a catalyst; boosting to 7-9 MPa with an injection pump; preheating to 130-150 DEG C with a preheater and entering a reaction tower; starting a hydrogen compressor; raising the hydrogen pressure from 1 MPa to 7-9 MPa; controlling the bottom temperature of the reaction tower at 190-205 DEG C through the steam amount of the preheater; controlling the top temperature of the tower to be lower than 145 DEG C through the tower top cooling water amount; controlling the pressure of a system at 7.4-7.9 MPa through the return hydrogen amount; reacting the furfuryl alcohol and hydrogen in the reaction tower under control; cooling with a condenser and feeding into a high-pressure separator; discharging crude furfuryl alcohol from the lower part of the main high-pressure separator; discharging the crude furfuryl alcohol into a temporary storage groove through a low-pressure separator; and settling the crude furfuryl alcohol for 24 hours, separating the catalyst out by using the separator, and entering continuous rectification to obtain high-purity furfuryl alcohol of which the purity is over 98.5 percent. In the production method, low free furfuryl alcohol is produced, high intensity is achieved, and the production procedure is environmentally-friendly and free from three wastes.

The invention discloses a bearing ring grinding tool and a method, and relates to the field of bearing manufacturing. The bearing ring grinding tool and the method solve the problems in the prior artthat when the inner surface of a bearing ring is ground, process parameters cannot be fixed, the tool adjustment time is long, and the part machining quality is unstable. The end face of a positioningdatum reference scale panel is provided with a scale disc, a pivot base is fixed to the positioning datum reference scale panel through a main positioning pin and an auxiliary positioning pin, and anadjustment knob comprises a first cylinder, a second cylinder and a pointer; the second cylinder is eccentrically arranged on the end face of the first cylinder, the pointer is arranged on the outercircumference of the first cylinder, the adjustment knob is installed on the positioning datum reference scale panel, a centering shaft is installed on the adjustment knob, the outer diameter of the centering shaft is the same as the size of the outer circle of a machined ring, a horizontal pivot is slidably installed in a horizontal pivot slot, and a vertical pivot is slidably installed in a vertical pivot slot. The bearing ring grinding tool and the method are used for stabilizing and improving the grinding quality of the inner surface of the ring.