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The invention discloses a continuous cold atom light filter based on long-strip-shaped diffuse reflection cooling and an implementation method. Diffuse reflection laser cooling is an isotropic cooling mode without a magnetic field, the influence of a gradient magnetic field in a magneto-optical trap on an optical rotation atomic energy level can be effectively avoided, and a cold atom light filter which continuously operates is achieved. Long-strip-shaped diffuse reflection cooling based on the long-strip-shaped vacuum glass tube is technical innovation compared with traditional diffuse reflection cooling, the cold atomic group with the meter-scale length can be achieved, the interaction distance between light and atoms is greatly increased, and compared with a millimeter-scale magneto-optical trap cold atomic group, the optical thickness of the cold atoms is also remarkably increased. According to the invention, the problem that the cold atom optical filter works in a pulse mode due to the limitation of a magnetic field is solved remarkably and effectively, the diffuse reflection cooling technology is applied to the construction of the atom optical filter, and outstanding substantial progress and a remarkable continuous operation effect are achieved.

The application discloses a kind of equipment and method for preparing MOFs by plasma assisted flash joule heat, the equipment includes central control system, vacuum system, gas inlet system, signal acquisition system, power supply system, tubular reaction device;Central control system is used for the instruction of equipment each area to issue and control;Vacuum system is used to control the vacuum degree required by reaction, and is monitored in real time by vacuum gauge;Gas inlet system is used to provide the atmosphere required by reaction;Signal acquisition system acquires temperature, voltage, current in real time during reaction, input to central control system;Power supply system provides electrical energy for tubular lifting reaction device;Tubular reaction device fixed substrate and precursor solution on substrate and generates plasma, realize the uninterrupted performance of plasma processing and flash joule heat processing.This equipment realizes the uninterrupted performance of plasma-joule heat, can realize the rapid preparation of MOFs, significantly improve the problem of long cycle, high energy consumption of traditional preparation method such as hydrothermal method, solvothermal method.

This invention discloses a method for predicting the optimal phosphorus application rate for Fritillaria cirrhosa seedlings based on multiple soil characteristics. It belongs to the fields of plant nutrition, soil science, and traditional Chinese medicine cultivation. The method includes: obtaining data on Fritillaria cirrhosa yield and corresponding soil physicochemical properties, phosphorus cycle-related enzyme activity, and microbial community structure under different phosphorus application levels; standardizing soil and enzyme activity indicators, and preprocessing and extracting features from microbial data to obtain comprehensive feature variables; constructing a phosphorus application-yield nonlinear response model using phosphorus application rate as the independent variable and yield as the dependent variable; and determining the optimal phosphorus application rate that maximizes the predicted yield based on this model. This invention enables accurate estimation of the phosphorus requirement of Fritillaria cirrhosa, providing personalized phosphorus application schemes for different soil conditions, thereby effectively improving yield and phosphorus fertilizer utilization efficiency.