Abstract: A method for calibrating a driving risk identification model includes: S1. establishing a vehicle platform by installing an information acquisition device on a test vehicle; S2. acquiring synchronized test data related to the test vehicle and driving scenarios; S3. extracting moments when the drivers start to press the accelerator pedal, start to release the accelerator pedal, start to press the brake pedal in the driving scenarios, and start to release the brake pedal, so as to define risk level values respectively corresponding to the moments; S4. obtaining a risk identification curve of the drivers in different driving scenarios, wherein the risk identification curve represents the drivers' judgment of the risk level over time; S5. using the risk identification curve to calibrate the driving risk identification model.

Abstract: An atomizing structure and an atomizer are disclosed. The atomizing structure includes a ceramic part, a heating part and a shell. The heating part is connected with the ceramic part. The ceramic part is arranged in the shell, a side wall of the shell is provided with a liquid inlet region, and the liquid inlet region extends through the side wall of the shell. An annular cavity is arranged between an inner wall of the shell and an outer wall of the ceramic part, the annular cavity is arranged around the outer wall of the ceramic part, an atomized liquid is capable of entering the annular cavity through the liquid inlet region, and the atomized liquid in the annular cavity is capable of entering the ceramic part through pores in the ceramic part.

Abstract: The present invention provides a bottom ohmic silver paste for strontium titanate ring varistor including silver powder, doped SnO2 micro powder, glass powder, organic solvent and organic binder, and the mass ratio of the silver powder, the doped SnO2 micro powder, the glass powder, the organic solvent and the organic binder is [65,85]:[0.9,4.3]:[0.5,5]:[10,20]:[10,15]. The present invention also provides a preparation method and use of the bottom ohmic silver paste for strontium titanate ring varistor of the present invention.

Abstract: Disclosed is a dynamic demonstration method for water-soluble ion concentration and components of an aerosol. The method comprises: obtaining concentration data of each ion in an atmospheric aerosol of a target city in a preset time period and filling the concentration data in a data table; obtaining vertex coordinates of each ion in a Maucha graph according to equivalent concentration data of each ion; drawing an aerosol ion Maucha graph of the target city in each preset time period according to the vertex coordinates; and finally making a dynamic picture according to a temporal graph of aerosol ion concentration in various time periods.

Abstract: Disclosed is a dynamic demonstration method for water-soluble ion concentration and components of an aerosol. The method comprises: obtaining concentration data of each ion in an atmospheric aerosol of a target city in a preset time period and filling the concentration data in a data table; obtaining vertex coordinates of each ion in a Maucha graph according to equivalent concentration data of each ion; drawing an aerosol ion Maucha graph of the target city in each preset time period according to the vertex coordinates; and finally making a dynamic picture according to a temporal graph of aerosol ion concentration in various time periods.