31results about How to "Improve the level of processing technology" patented technology

The invention belongs to the field of measurement of the diameter and the space coordinate geometric dimensioning of a spatial curved surface thin-wall micro-hole, and relates to a method for measuring the diameter and the coordinate position of the spatial curved surface micro-hole in a non-contact mode, in particular to the method for measuring the diameter and the coordinate position of the spatial curved surface micro-hole in a blade body of a blade by compositely designing and applying a telecentric optical lens and a five-axis coordinate measurement machine. A contact-type probe of the five-axis optical composite coordinate measurement machine is used for setting up a measuring basis of the diameter and the coordinate position of the spatial curved surface micro-hole of a workpiece, a two-dimensional rotating table is used for determining a spatial posture according to the direction of the axis of the spatial curved surface micro-hole, and the telecentric optical lens is used for extracting an image of the spatial curved surface micro-hole. The method can solve the difficult technical problem that data extraction and evaluation can not be conduced due to the fact that the image of the micro-hole is blurred, digitalized precise measurement of the diameter and the coordinate position of the spatial curved surface micro-hole is achieved, and the feasible measurement method is provided for effectively controlling machining quality of a gas film hole of the blade of an aviation engine and the like.

The invention provides a plunge grinding process parameter optimization method based on a grinding removal rate model. The method comprises the steps of 1, establishing a plunge grinding removal rate theoretical model; 2, establishing a grinding process parameter optimization objective function; 3, establishing grinding process parameter optimization constraint conditions; 4, optimizing the machining parameters of four grinding stages, coarse grinding, semi-finish grinding, finish grinding and spark out grinding, in a plunge grinding process based on the grinding process optimization objective function and constraint conditions. The grinding machining process using the optimized process parameters meets the constraint conditions, so that the machining stability of each feed stage of grinding is guaranteed, the grinding machining time is minimized and the efficiency is maximized. The plunge grinding process parameter optimization method can improve the grinding product quality and market competitiveness of manufacture enterprises and play a positive support role in the technological development of plunge grinding machining process optimization and enterprise market competitiveness enhancement.

The invention relates to the field of traditional Chinese medicine decoction pieces, and particularly relates to semen coicis prepared decoction pieces and a preparation method thereof. The semen coicis prepared decoction pieces are prepared from semen coicis and edible oil. The preparation method of the semen coicis prepared decoction pieces comprises the following steps: cleaning the semen coicis, enabling the semen coicis to pass through 30-40 mesh sieve pores, and putting the semen coicis in 1-5L of drinking water, so that the semen coicis are swelled by soaking; fishing up the swelled semen coicis, draining off surface moisture of the semen coicis, adding the edible oil, uniformly stirring, steaming for 3-4 hours by using moderate heat till cores of the semen coicis are well-done, taking out the steamed semen coicis, airing till the surfaces of the semen coicis are bright and the semen coicis is transparent, putting the semen coicis in the sun, and slightly drying the semen coicis till the semen coicis has hardness by holding with hands; and frying for 2-5 minutes by using moderate heat till the semen coicis is popcorn-shaped, taking out, screening to remove sand, and cooling, thus obtaining the semen coicis prepared decoction pieces. The semen coicis prepared decoction pieces have the advantages that effective components in cells of the semen coicis prepared decoction pieces are rapidly dissolved out, the effects of clinically reducing blood glucose and resisting tumors are enhanced, and the irritation is reduced. The processing technology of the semen coicis prepared decoction pieces has the advantages of high efficiency, standardization, energy conservation, environmental protection and the like.

A chitosan-Cu matches as the adsorptive additive of filter tip for cigarette in order to adsorb tar and nitosamine from the smoke of cigarette is prepared from chitosan and copper sulfate through proportional mixing in organic solvent, centrifugal deposition, washing, drying and pulverizing.

The invention discloses a pulsed eddy current detection method and a detection device for conductivity of a ferromagnetic metal material, and belongs to the technical field of electromagnetic nondestructive testing. The method comprises the following steps of: using an inductive voltage measurement curve to establish the least squares problem between a measured value of an induced voltage time domain signal and a theoretical calculated value to invert the conductivity and magnetic permeability of a ferromagnetic member to be tested, based on a time-domain analytical solution of an induced voltage of a pulsed eddy current detection model of a ferromagnetic plate; obtaining a change curve of conductivity inversion results under different amplitude pulse current excitations by gradually increasing the amplitude of a pulse excitation current; and finding an intersection point of the change curve of the conductivity inversion results and an ordinate axis by a curve fitting method, that is,the conductivity of the ferromagnetic member to be tested. The method and device provided by the invention can provide non-contact and nondestructive detection for the conductivity of the ferromagnetic metal material in the industry, weaken the influence of the nonlinear change of the magnetic permeability on the conductivity detection result, and improve the accuracy and reliability.

The invention relates to an intelligent monitoring method for the state of a hollow drill grinding wheel. Firstly, sensors are installed and signals are monitored; an acoustic emission signal, a powersignal and a vibration signal in the grinding process are monitored; signal characteristic parameter extraction is carried out; time domain parameters of the acoustic emission signal and the power signal and high-frequency characteristic information of the vibration signal are extracted as characteristic parameters; the characteristic parameters are normalized, main components are extracted as input samples of an SA-SVM model, selection of support vector machine parameters is optimized by using a simulated annealing algorithm, and training learning is performed on the samples; and finally, anSA-SVM model is adopted for intelligent prediction, a system analysis result is compared with the actual grinding state of a grinding wheel, and the prediction performance of the model is judged.

The invention discloses a method for measuring the dosage uniformity of glyceryl triacetate in cigarette filters. The method comprises the following steps: (1) sampling, namely taking filter samples of more than 30 batches from a filter forming shop at the same time interval according to the requirement of national standard; (2) placing the samples, namely placing the filter samples in a regulated atmospheric environment stipulated according to national standard for at least 24 hours; (3) sectioning the samples, namely cutting the filters by 1cm-4cm in radial direction, and simultaneously, cutting 1 / 8-1 / 2 of the filters in axial direction; and (4) detecting, namely randomly numbering the prepared inspection samples, detecting the content of glyceryl triacetate in the samples according to the standard of tobacco industry, and finally, evaluating the uniformity. The method can be used for accurately measuring the dosage uniformity of glyceryl triacetate in the filters and further objectively evaluating the technological level of a glyceryl triacetate addition process during the filter forming process, thereby having important significance to improvement of filter forming equipment, enhancement of the level of filter processing technology and stabilization of tobacco product quality.

A chitosan-Cu matches as the adsorptive additive of filter tip for cigarette in order to adsorb tar and nitosamine from the smoke of cigarette is prepared from chitosan and copper sulfate through proportional mixing in organic solvent, centrifugal deposition, washing, drying and pulverizing.

The invention discloses a preparation method of a high-emulsibility CNPPs (casein non-phosphopeptides)-soybean polypeptide assembly protein, which relates to a preparation method of a CNPPs-soybean polypeptide assembly protein and aims at solving the problems of single category and bad emulsibility and stability of existing soybean protein. The method comprises the following steps: 1. preparing a casein suspension, adding alkaline protease, regulating the pH value, carrying out enzymolysis, regulating the pH value, centrifuging to extract supernatant, adding a CaCl2 solution and an alcohol solution, reacting and centrifuging, and concentrating the supernatant to obtain a solution; 2. preparing a defatted bean pulp suspension, adding the alkaline protease, regulating the pH value, carrying out enzymolysis to obtain protein hydrolysate, dialyzing and ultrafiltrating the protein hydrolysate, and carrying out rotary evaporating on the dialyzed and ultrafiltrated protein hydrolysate to obtain a solution; and 3. mixing the solutions prepared in the step 1 and the step 2 with chymotrypsin, stirring the mixture in a water bath, regulating the pH value, reacting, filtering the reaction product, and drying the reaction product to obtain the CNPPs-soybean polypeptide assembly albumen powder. The preparation method disclosed by the invention is used for preparing the CNPPs-soybean polypeptide assembly protein.

The invention provides a texture control technology of an instant shellfish protein, which is established aiming to a result of synergistic action of collagen and fibrillin of shellfish product quality including abalone, conch and neptuneacumingi formed by nonuniformity proteins. The technology comprises the following steps of: carrying out treatments of flavoring and protein tissue form shaping on shellfishes after taking out the meat by different modes of freshness, heat treatment and freezing, and then slowly raising temperature until the shellfishes cure; and immerging the part of shellfish edible muscles after fully curing into coating liquid formed by sodium alginate and konjaku powder for 3-10s, taking out, and draining. Raw materials after film treatment are packaged by directly pumping or charging nitrogen or are quickly frozen to fixed form in a quick freezer and then are packaged by directly pumping or charging the nitrogen. The invention is established on the basis of systematically studying the abalone, a relevant result can be applied to congeneric conch, congeneric neverita didyma, congeneric neptuneacumingi, congeneric rapanathomasiana and the like and can also be expanded into shellfishes including bloody clam which is rich in the collagen and has fat foot and torikai.

The invention relates to a method for controlling the content of histamine in aquatic products. The washed aquatic products are immersed in a treating fluid, fished out, drained, put into an insulating bag for high-voltage pulsed electric field treatment, added to a fermentation container and fermented at the controlled temperature of 23 DEG C for 20-35 days; the aquatic products are collected, packaged and put into freezing storage. Histamine produced in the transportation and storage processes of the aquatic products can be remarkably reduced while the specific texture and nutritional ingredients of the aquatic products are retained, growth and metabolism of bacterium colonies producing amino acid decarboxylase activity in the processing process of the aquatic products can be inhibited or prevented better, generation of amino acid decarboxylase is prevented fundamentally, accordingly, generation of histamine is prevented in the whole processing process and is further controlled, and the method has great social and economic benefits.

The invention discloses a preparation method of spicy, crisp, safe and healthy pickled bamboo shoots. The preparation method comprises the following steps: removing impurities from fresh bamboo shoots, cleaning and slicing the fresh bamboo shoots, air-drying surface moisture, sending the bamboo shoots into a freeze-drying chamber, carrying out vacuum freeze-drying treatment, adding edible salt water and a plant extracting solution, carrying out uniform mixing, then sending the mixture into a high-pressure kettle for high-pressure permeation treatment, after microwave sterilization, adding a fermentation inoculant, performing uniform stirring and sealing, putting the mixture into the earth crust for primary fermentation, carrying out microwave sterilization, then adding lactobacillus plantarum, performing uniform stirring and sealing, putting the mixture into the earth crust for secondary fermentation, taking out the products, and carrying out microwave sterilization again to prepare the pickled bamboo shoots. The pickled bamboo shoots are spicy and crisp, shorten the fermentation time of the pickled bamboo shoots, are longer in preservation time, are beneficial to batch production, improve the processing technical level of the pickled bamboo shoots and the flavor of the products, can better improve the fermentation efficiency while ensuring the fragrance and taste of the bamboo shoots, can reduce the content of amino acid nitrogen and nitrite in the finished products, and have little harm to the human body.

The invention relates to an energy saving device for circularly drying an aquatic product at normal temperature, belonging to the field of aquatic product processing equipment. The energy saving device comprises an air pump, a first control valve, a second control valve, a condenser, a third control valve, a drying chamber, a fourth control valve, an evaporator, a fifth control valve, a plate-type heat exchanger, an air blower, a sixth control valve, a compressor and a heat pump system, wherein the left side of the air pump is sequentially connected with the first control valve, the compressor and the condenser through pipelines to enter the drying chamber; pipelines of the third control valve are arranged between the left side drying chamber and the air pump in parallel; pipelines of the second control valve are arranged on both ends of the first control valve and the compressor in parallel; the right side of the drying chamber is sequentially connected with the evaporator, the fifth control valve and the plate-type heat exchanger through the pipelines to enter the air pump; pipelines of the sixth control valve are arranged between the right side drying chamber and the air pump in parallel; the pipelines arranged in the plate-type heat exchanger are arranged on the pipeline positioned between the drying chamber and the evaporator in parallel.

The invention discloses a processing method of low-GI high-activity coarse cereal composite instant nutrition powder, and belongs to the technical field of food processing. In order to solve the problems that in the prior art, coarse cereal nutrition powder is poor in instant solubility, the loss of nutritional active substances in the processing process is large, and the glycemic index of a product is high, the invention provides a processing method of low-GI high-activity coarse cereal composite instant nutrition powder. According to the method, the coarse cereal composite nutrition powder which is rich in gamma-aminobutyric acid biological substances, low in glycemic index and good in instant solubility is prepared by synergistically applying the technologies of soaking, physical field assisted germination, wet gradient fine grinding, compound enzyme biological enzymolysis, combined membrane concentration and impurity removal, spray drying and granulation and the like. The preparation method breaks through the key technology of coarse cereal moderate processing and activity maintenance, improves the overall processing technology level of coarse cereal food, scientifically improves the dietary pattern of residents, improves the intake of coarse cereals, and improves the health level of residents.

Safety helmets must be worn in environments such as factories, mines, buildings and traffic facilities where objects might fall down to collide with the head. Safety helmets are also necessary in a bicycle race and when kids play. However, due to the fact that some helmets are only filled with cotton, or fabric, or foamed plastic, the elasticity for absorbing impact or collision energy is not sufficient, and it is reported that the head can not be well protected by the helmets. As is known to all, an air cushion bag can absorb impact and collision energy. The invention discloses an air cushion type safety helmet in which a large-capacity air cushion bag and a nylon hook and loop fastener on a buffering hatband are organically connected with a hat shell. The scheme can be applied to various safety helmets. The air cushion type safety helmet has passed the test of the National Quality Control Center for Protective Equipment and is advanced in structure and optimum in effect. A better bulletproof effect can be realized when the air cushion bag is used inside an army helmet.

The invention discloses a method for measuring the dosage uniformity of glyceryl triacetate in cigarette filters. The method comprises the following steps: (1) sampling, namely taking filter samples of more than 30 batches from a filter forming shop at the same time interval according to the requirement of national standard; (2) placing the samples, namely placing the filter samples in a regulated atmospheric environment stipulated according to national standard for at least 24 hours; (3) sectioning the samples, namely cutting the filters by 1cm-4cm in radial direction, and simultaneously, cutting 1 / 8-1 / 2 of the filters in axial direction; and (4) detecting, namely randomly numbering the prepared inspection samples, detecting the content of glyceryl triacetate in the samples according to the standard of tobacco industry, and finally, evaluating the uniformity. The method can be used for accurately measuring the dosage uniformity of glyceryl triacetate in the filters and further objectively evaluating the technological level of a glyceryl triacetate addition process during the filter forming process, thereby having important significance to improvement of filter forming equipment, enhancement of the level of filter processing technology and stabilization of tobacco product quality.

The invention belongs to the technical field of a production method for an industrial lubricant product, in particular to a production method for a multi-purpose metal processing lubricant. The producing method comprises emulsion reaction of vegetable oil under the action of multiple additives in a reaction kettle to prepare emulsified oil, and final obtaining the multi-purpose metal processing lubricant. The production method is simple, and can produce and process the metal processing lubricant with multiple purposes at the same time. The main raw material is the vegetable oil, which is added with various emulsifying agents to carry out the emulsion reaction and has no any pollution to environment. In addition, the used raw material is wide, so the production method is a good method in the modern metal processing industry for replacing mineral oil.

The invention relates to an instant shellfish anti-oxidation method and a control technology thereof, which is designed against the composition of oysters, mussels, variegated clams and other shellfish in edible protein tissues wrapping visceral masses therein and the structural characteristics, and the instant shellfish anti-oxidation method comprises the following steps: taking out meat according to different ways of fresh and live, heat-treated and frozen, cleaning and removing surface mucus, using citric acid and sodium citrate buffer solution to adjust acidity, controlling taste of the type of the shellfish, and histology, morphology and shaping of protein by combining with temperature and seasonings, and carrying out lipid anti-oxidation treatment; then increasing the temperature for curing by stages; immerging shellfish edible muscle part after fully curing into coating liquid containing 0.1-1.0% of sodium alginate and 0.1-0.5% of konjac flour for 3-10s, taking out, and draining off juice; directly vacuumizing and packaging raw materials after coating treatment, or filling nitrogen for packaging, or quick-freezing for 5-10min at minus 15-30 DEG C in a quick-freezing machine, solidifying the shape, then quickly vacuumizing and packaging, or filing the nitrogen for packaging; and directly freezing a shellfish product after well packaging for selling, or carrying out sterilization treatment for 30-60min at the temperature of 90-120 DEG C, and freezing, refrigerating or placing at normal temperature for selling.

The invention provides the texture control technology of an instant shellfish processing operation, which is established aiming to a result of synergistic action of collagen and fibrillin of shellfish product quality including abalone, conch and the like formed by non-uniform proteins. Based on the systematic study of the quality change rule during the hot working process of the above shellfishes, an area suitable for the processing operation is figured out to obtain the good quality of the shellfishes. Thus, the texture control technology of shellfishes containing non-uniform combinations is established. The technology comprises the following steps of carrying out treatments of flavoring and protein tissue form shaping on shellfishes after taking out the meat by different modes of freshness, heat treatment and freezing, so as to improve the quality of the shellfishes. Firstly, the actomyosin dissociation is promoted through adjusting the processing temperature, so as to enable the tissues of the shellfishes to be soft and tender. Secondly, modified collagen dissolves into myofibril tussues through controlling the denaturation degree of collagen protein, so as to improve the elasticity of the tissues. Then the temperature is slowly raised until the shellfishes cure. Raw materials after film treatment are packaged by directly pumping or charging nitrogen or are quickly frozen to fixed form in a quick freezer and then are packaged by directly pumping or charging the nitrogen. The invention is established on the basis of systematically studying the abalone, a relevant result can be applied to congeneric conch, congeneric neverita didyma, congeneric neptuneacumingi, congeneric rapanathomasiana and the like and can also be expanded into shellfishes including bloody clam which is rich in the collagen and has fat foot and torikai.

The invention relates to a high-strength wastewater treatment catalyst and a preparation method and application thereof. The preparation method comprises the steps that a catalyst carrier is dipped into a mixed solution containing at least two inorganic salts at a time and then is taken out for thermal treatment, the enhanced catalyst carrier is obtained, and the inorganic salts include alkali metal salts or / and alkaline metal salts; the enhanced catalyst carrier loads active components, and the high-strength wastewater treatment catalyst is obtained. The obtained high-strength wastewater treatment catalyst is large in specific surface area and high in reactivity and strength, the compressive strength reaches 60-80 N, and the using requirement for a fixed bed catalyst chamber can be met.

The invention discloses a preparation method of a high-emulsibility CNPPs (casein non-phosphopeptides)-soybean polypeptide assembly protein, which relates to a preparation method of a CNPPs-soybean polypeptide assembly protein and aims at solving the problems of single category and bad emulsibility and stability of existing soybean protein. The method comprises the following steps: 1. preparing a casein suspension, adding alkaline protease, regulating the pH value, carrying out enzymolysis, regulating the pH value, centrifuging to extract supernatant, adding a CaCl2 solution and an alcohol solution, reacting and centrifuging, and concentrating the supernatant to obtain a solution; 2. preparing a defatted bean pulp suspension, adding the alkaline protease, regulating the pH value, carrying out enzymolysis to obtain protein hydrolysate, dialyzing and ultrafiltrating the protein hydrolysate, and carrying out rotary evaporating on the dialyzed and ultrafiltrated protein hydrolysate to obtain a solution; and 3. mixing the solutions prepared in the step 1 and the step 2 with chymotrypsin, stirring the mixture in a water bath, regulating the pH value, reacting, filtering the reaction product, and drying the reaction product to obtain the CNPPs-soybean polypeptide assembly albumen powder. The preparation method disclosed by the invention is used for preparing the CNPPs-soybean polypeptide assembly protein.

The invention provides a method and system for calibrating a fillet surface strengthening coefficient of an engine crankshaft, and the method comprises the steps: selecting a plurality of engine crankshafts, and carrying out the crank fatigue limit test of the plurality of engine crankshafts in sequence according to a lifting method; first fatigue ultimate bending moments corresponding to the engine crankshafts are obtained, and the average value of the first fatigue ultimate bending moments is calculated; the average value is converted into a second fatigue ultimate bending moment according to a preset algorithm, and a finite element stress analysis model is constructed based on the fatigue testing machine clamping block grid model, the crank throw grid model and the second fatigue ultimate bending moment; and crank throw stress distribution of the second fatigue limit bending moment is calculated according to the finite element stress analysis model, and the surface strengthening coefficient of the engine crankshaft is calibrated based on the crank throw stress distribution and a preset program. According to the method, the strengthening coefficient of the engine crankshaft fillet surface can be accurately obtained, so that the analysis precision of the fatigue strength of the engine crankshaft is improved.

The invention relates to the technical field of hollow structural parts, and discloses an aluminum alloy hollow sleeve inner layer wall multi-convex-key spline structural body and a machining method.The aluminum alloy hollow sleeve inner layer wall multi-convex-key spline structural body comprises a machined hollow spline structural shell, one end of the hollow shell is provided with a five-spline used for being connected with a connector spline, and the other end of the hollow shell is provided with an annular table connecting thread used for matched connection; a hollow sleeve round boss is arranged between the five splines and the annular table connecting threads, a key side annular groove is formed between the hollow sleeve round boss and the spline outer ring, and triangular teeth are evenly distributed on the end opening face of the spline inner ring at the end, connected with the threads, of the annular table. The method for machining the hollow spline structure comprises the following steps: turning outer circle knurling, turning an inner hole, threads and an inner groove through a numerically controlled lathe and a milling machine, and then drilling and milling the threads. The cutter is reasonable in structural design, convenient to machine, simple to operate and long in service life, the problem of coaxiality deviation is solved, the machining difficulty is reduced, the requirement of a design process is met, the structural accuracy is guaranteed, and the machining process level and the machining efficiency are improved.

The invention discloses a pulsed eddy current detection method and a detection device for conductivity of a ferromagnetic metal material, and belongs to the technical field of electromagnetic nondestructive testing. The method comprises the following steps of: using an inductive voltage measurement curve to establish the least squares problem between a measured value of an induced voltage time domain signal and a theoretical calculated value to invert the conductivity and magnetic permeability of a ferromagnetic member to be tested, based on a time-domain analytical solution of an induced voltage of a pulsed eddy current detection model of a ferromagnetic plate; obtaining a change curve of conductivity inversion results under different amplitude pulse current excitations by gradually increasing the amplitude of a pulse excitation current; and finding an intersection point of the change curve of the conductivity inversion results and an ordinate axis by a curve fitting method, that is,the conductivity of the ferromagnetic member to be tested. The method and device provided by the invention can provide non-contact and nondestructive detection for the conductivity of the ferromagnetic metal material in the industry, weaken the influence of the nonlinear change of the magnetic permeability on the conductivity detection result, and improve the accuracy and reliability.

The invention relates to concentrated gold soup seasoning sauce and a preparation method thereof, and belongs to the field of food processing. The concentrated gold soup seasoning sauce is prepared by respectively sealing and fermenting two types of yellow food raw materials and then mixing and blending with other auxiliary materials. The first raw material comprises pumpkins, glutinous millet flour, salt, lactose, glucose, compound lactic acid bacteria and water. The raw material II comprises yellow capsicum frutescens, yellow lemons, old corn flour, glutinous rice flour, compound lactic acid bacteria and water. The fermented chilli sauce is fried, fermented pumpkin sauce, water, pig ossein, chicken oil, pig bone soup-stock, chicken powder, white granulated sugar, monosodium glutamate, spices, a yeast extract and a food additive are compounded in proportion, cooking and concentration are performed, high-temperature grinding, packaging, microwave sterilization, sealing and cooling are performed, and a finished product is obtained. The seasoning sauce is golden in color and luster, rich in sour flavor, soft in sourness, full in taste and rich in nutrition, and can be directly made into soup or used as a hotpot condiment and an instant-boiling condiment.