15results about How to "Prevent quality deterioration" patented technology

The invention discloses a pollution discharge license post-license management method and system based on environmental compliance management, and particularly relates to the technical field of environmental management. Primary pollutants and secondary pollutants generated by the primary pollutants are determined according to the types of pollutants discharged by an enterprise, and a simulation model is constructed and corrected to predict pollutant conversion rates in different environments, monitor the concentration of the secondary pollutants, calculate the generation rate and evaluate the tracking stability of equipment to the generation process. Comparing the equipment data with the predicted generation rate, analyzing the tracking capability and response delay of the equipment, determining the real-time level of the equipment in combination with fuzzy logic, and dividing the data into real-time pollution data and non-real-time pollution data; real-time data is continuously collected, a supervision department monitors the emission dynamic state in real time, the pollution discharge compliance is judged, the abnormal degree of non-real-time data is analyzed, the monitoring frequency is adjusted, the timeliness and accuracy of the data are ensured, the problem of combined pollution is effectively solved, and the supervision capacity for pollutant generation and emission is improved.

The embodiment of the invention provides an LCOS light machine module and projection equipment. The LCOS light machine module comprises a light source, a dodging element, an optical waveguide device and an LCOS panel. The light source is used for providing illumination light; the light uniformizing element is used for uniformizing illumination light rays emitted by the light source; the optical waveguide device comprises a coupling-in area and a coupling-out area, the coupling-in area is used for coupling the dodging illumination light into the optical waveguide device for total reflection transmission, and the coupling-out area is used for coupling out the illumination light; the LCOS panel is located on the side, away from the coupling-out area, of the optical waveguide device, the LCOS panel is at least partially arranged in a staggered mode relative to the coupling-out area in the thickness direction of the optical waveguide device, and the LCOS panel is used for receiving illumination light emitted by the coupling-out area and reflecting the illumination light to form projection light. And the projection light reflected by the LCOS panel does not pass through the coupling-out area any more.

The invention discloses a fishy smell removing method for processing chicken foot premade vegetables, which comprises the following steps: 1) cleaning fresh chicken feet, and piercing corium layers and subcutaneous tissues of the chicken feet by using a microneedle roller; (2) adding water into Fuzhuan tea powder, eucommia ulmoides leaf powder, grape skin residue powder and hawthorn powder, uniformly mixing, performing ultrasonic extraction for 30 minutes, and filtering to obtain a mixed fishy smell removing agent; (3) putting the chicken feet prepared in the step (1) into a mixed fishy smell removing agent, introducing ozone, and carrying out ultrasonic treatment; and (4) freezing the chicken feet subjected to fishy smell removal. The method comprises the following steps: puncturing corium layers and subcutaneous tissues of chicken feet by using a micro-needle roller, putting the punctured corium layers and subcutaneous tissues into a mixed deodorization agent which is prepared by ultrasonic extraction and consists of Fuzhuan tea powder, folium cortex eucommiae powder, grape pomace powder and hawthorn fruit powder, and carrying out deodorization treatment on the chicken feet by coupling ultrasonic and ozone. According to the method, blood remaining in the chicken feet can be effectively removed, fishy smell substances of the chicken feet can be efficiently removed, and the degradation rate of nonanal, hexanal and 1-octylene-3-alcohol is remarkably increased. The unfrozen chicken claw product can omit the traditional blanching step, so that the processing time and energy consumption are saved, and the sense and flavor of the chicken claw processed product are remarkably improved.

The invention relates to the field of food processing, and discloses a fresh-keeping processing method of green bamboo shoots, which comprises the following steps: S1, cleaning collected green bamboo shoots: firstly, manually cleaning impurities on the surfaces of the bamboo shoots, and then carrying out secondary cleaning by using a sodium hypochlorite solution with the concentration of 0.02-0.05%; s2, grading and classifying the cleaned green bamboo shoots according to the appearance color and the tenderness degree; s3, the bamboo shoots are properly aired, ultraviolet rays are used for disinfecting the operation environment, 75% ethyl alcohol is used for spraying treatment on the operation contact surface, and a disinfected cutter is used for removing pollution wounds of the green bamboo shoots. Through manual cleaning and secondary cleaning of the bamboo shoots with a 0.02-0.05% sodium hypochlorite solution, ultraviolet sterilization and disinfection of operation surfaces and tools with 75% ethanol are combined, microorganisms and impurities are effectively removed, the risk of wound pollution is reduced, the wound is soaked with a fresh-keeping solution and packaged with a double-layer paper bag, the fresh-keeping effect is enhanced, the moisture loss of the bamboo shoots is reduced, and the quality of the bamboo shoots is improved. And a plurality of defects of the traditional method are improved.

The invention belongs to but is not limited to the technical field of agricultural product storage, and discloses a mutton quality improving and gradient processing storage method which comprises the steps of cold storage, ice temperature and freezing storage. A modified atmosphere fresh-keeping packaging method; applying a natural biological fresh-keeping technology; and carrying out full-chain storage management. Through comprehensive application of cold storage, ice temperature and freezing in combination with a modified atmosphere fresh-keeping packaging technology, the storage time of the mutton is remarkably prolonged, and meanwhile the excellent quality of the mutton is kept. The cold storage and ice temperature technology effectively inhibits the growth and enzymatic reaction of microorganisms, delays the oxidation process of the mutton, and maintains the color, texture and flavor of the mutton; the quick freezing and ultrasonic unfreezing technology is adopted, so that the damage to the cell structure of the mutton in the freezing and unfreezing process is reduced to the maximum extent. By optimizing the unfreezing process, juice loss is reduced, the unfrozen mutton still keeps good texture and taste, and the problem of quality loss in a traditional method is solved.

The invention relates to the technical field of oral cavity imaging, and discloses a method for applying a dual-energy technology to oral cavity panoramic imaging, which comprises the following steps of: dual-energy panoramic projection data acquisition: acquiring a high-low-energy panoramic narrow-edge projection drawing by utilizing technologies such as area array filtering, high-pressure fast switching or multi-layer flat plate; performing panoramic projection domain substance decomposition: decomposing the high and low energy projection to obtain a target base substance density integrogram; variable center finite angle reconstruction: reconstructing a base material density integral image to generate a corresponding panoramic base image; and application extension: generating various clinical related images according to the panoramic base image. The invention further provides a panoramic imaging device based on dual energy. According to the invention, the expressive force of the panoramic image can be improved, and more application scenes can be expanded.

The present invention discloses a high-humidity radio frequency thawing refrigeration system, which aims to provide a system that can realize the functions of food freezing, sterilization and rapid thawing. It includes a freezing and refrigeration cycle system, a high-humidity radio frequency thawing system and an auxiliary humidification system; the high-humidity radio frequency thawing system includes a radio frequency power module, a solution box with an upper cover, and a positive plate, a negative plate and a loading platform located in the solution box; the evaporator is placed in the upper part of the solution box, and the positive plate and the negative plate are arranged in parallel on both sides of the loading platform and are respectively connected to the positive and negative poles of the radio frequency power module to form a radio frequency heating unit; the auxiliary humidification system includes a water tank, a gas-liquid separator, a liquid atomizing nozzle and a gas nozzle, and the condenser is placed in the water tank. The system of the present invention has the functions of freezing and rapid thawing, and solves the drying problem caused by overheating at the sharp corners during the radio frequency thawing of food. Moreover, the heating rate is fast, which can avoid the deterioration of food quality caused by the long heating time.

This invention discloses a classroom interaction quality assessment and teaching reflection system based on voice emotion recognition, belonging to the field of educational informatization technology. It includes a voice data acquisition module, a voice data preprocessing module, a voice emotion recognition module, a voice data segmentation module, an interaction depth quantification module, a classroom interaction quality index calculation module, an early warning signal generation module, and a teaching reflection auxiliary module. This invention constructs a multi-level classroom interaction quality assessment system. Through the identification of teaching links and a dynamic weight adjustment mechanism, it significantly improves the scientific nature of the assessment. Based on the current interaction state, it predicts future quality change trends and combines a dual-indicator early warning mechanism of declining slope and minimum point to support teachers in timely adjustments to teaching strategies during class. It also introduces counterfactual reasoning technology to conduct multi-dimensional causal contribution analysis of weak teaching links, improving the scientific nature and operability of reflection.

An intelligent control circuit of an air purifier relates to the technical field of control circuits and comprises a voltage source circuit, a filter element detection circuit, a load circuit and a main stage control circuit, and the output end of the voltage source circuit is connected with the power supply ends of the filter element detection circuit, the load circuit and the main stage control circuit. The detection output end of the filter element detection circuit is connected with the input end of the main stage control circuit, the load control end of the main stage control circuit is connected with the controlled end of the load circuit, and the voltage source circuit is used for providing power needed by the main stage control circuit of the air purifier. The filter element detection circuit is used for detecting whether a filter element needs to be replaced or not, the primary control circuit is used for controlling the filter element detection circuit and the load circuit, and the load circuit is used for driving the load end of the air purifier. And the air quality deterioration caused by overuse of the filter element can be prevented.

The present invention provides a machine learning device, a machine learning method, and a laser processing system. The machine learning device learns the focus position deviation of a laser processing machine. A data acquisition unit acquires data of a focus position instruction of a focusing optical system provided to the laser processing machine, and detection data of a physical quantity of light detected when a laser is output from a laser oscillator according to a processing instruction including the focus position instruction, as a learning data set. The learning unit uses the learning data set to generate a learning model that represents the correlation between the physical quantity of the detected light and the following positional relationship, which is the positional relationship between a workpiece and an effective focusing position of the focusing optical system. When executing a processing procedure, the physical quantity of light is detected in the same manner as during learning, thereby being able to infer the positional relationship between the workpiece and the effective focusing position when executing the processing procedure based on the detection value and the learning model, while also considering differences in processing conditions and the workpiece.

The invention provides an MOPA laser system capable of improving output efficiency, light field distribution and light beam quality, the MOPA laser system comprises a nanosecond laser oscillator, an isolator, a concave lens and a two-way amplifier which are connected in sequence, the centers of the nanosecond laser oscillator, the isolator and the concave lens are arranged on the same straight line, and the concave lens is matched with the two-way amplifier; low-energy nanosecond pulse laser generated by the nanosecond laser oscillator enters the isolator, then the size of laser spots is adjusted through the concave lens, then the low-energy nanosecond pulse laser enters the two-way amplifier from one end of the two-way amplifier to be amplified, the low-energy nanosecond pulse laser is reflected at the other end of the two-way amplifier to be amplified again, and then the low-energy nanosecond pulse laser is output from one end of the two-way amplifier. The light beam quality of amplified light is remarkably improved through the two-way amplifier, deterioration of the light beam quality is avoided, upper energy level particles of the gain medium are fully extracted, and therefore the amplification efficiency of the first-stage amplifier is greatly improved. According to the invention, the light beam quality of the amplified light is effectively improved, and the light field distortion is optimized, so that the high-quality amplified light output is obtained.

In order to solve the problem that an existing electrolyte containing organic peroxide is not resistant to storage, the invention provides a non-aqueous electrolyte and a secondary battery, the non-aqueous electrolyte comprises a non-aqueous organic solvent, an electrolyte salt and an additive, and the additive comprises a compound as shown in a structural formula 1 and a compound as shown in a structural formula 2; the structural formula 1 of the # imgabs0 # is shown in the specification; and the # imgabs 1 # has a structural formula 2. The non-aqueous electrolyte provided by the invention has relatively good property consistency after long-term storage, and the problem of quality degradation after long-term storage can be avoided.

The utility model relates to a nodule treatment device for a sintering machine ignition furnace, and belongs to the technical field of sintering machine ignition furnace processes in the metallurgical industry. According to the technical scheme, a U-shaped clamping plate (1) is fixed to a trolley breast board (10) through a fastening bolt (2), a transverse connecting plate A (3) is fixed to the U-shaped clamping plate (1), a transverse connecting plate B (4) is fixed to a scraping plate positioning block (8), the transverse connecting plate A (3) and the transverse connecting plate B (4) are connected together through a transverse adjusting bolt (6), and a scraping plate (9) is connected to the scraping plate positioning block (8) in an up-down sliding mode. A longitudinal adjusting bolt (7) matched with the scraping plate (9) is arranged on the scraping plate positioning block (8); the transverse connecting plate A (3) and the transverse connecting plate B (4) are respectively provided with a transverse long-strip-shaped bolt hole (5). The on-line cleaning device has the advantages that nodules on the two sides of the ignition furnace can be removed on line, and damage to a hearth lining in the cleaning process is reduced.

This utility model relates to a device for continuous clean transfer and sterilization of powders, comprising: a sterilization chamber, a feeding device, a heating device, a first collection tank, a second collection tank, and a motor. The sterilization chamber is externally connected to a cylinder and internally contains several stirring paddles. A valve is provided between the sterilization chamber and the cylinder. The sterilization chamber, stirring paddles, and motor are connected to other components via a rotary sealing coupling. This device solves the problems of low sterilization efficiency, easy deterioration of material quality, and risk of secondary contamination in existing sterilization chamber devices, achieving highly efficient sterilization of granular powders while maximizing the stability of the material's effective components and original quality.

The invention provides a method for preparing disproportionated rosin. The method comprises the following steps: a raw material pretreatment stage, a clarification and separation stage, a primary reaction stage, a catalytic disproportionation stage and a post-treatment stage to obtain a disproportionated rosin product. According to the method, three-step chemical modification of the porous ceramsite carrier is combined with a stepped temperature control strategy, so that the content of dehydroabietic acid in a disproportionated rosin product is increased, abietic acid residues are reduced, meanwhile, the stability of the catalyst is effectively improved, and the technological process is simplified.