9results 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 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.

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.

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.