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With the emergence of the Internet of Things, technology and Internet thinking have entered traditional communities, and combined with traditional technologies, many new and better management methods and solutions have been born. Among them, the concept of intelligent buildings is also known to people. Based on big data technology, cloud computing technology, and Internet of Things technology, smart buildings provide smart and convenient devices and services for smart device users. The Internet of Things technology is entering our lives at an unimaginable speed. It has been applied in many fields. Smart home, smart transportation, smart medical, smart agriculture, and smart grid are widely used in the Internet of Things technology. The application of Internet of Things technology to the construction of folk sports characteristic towns is of great significance. The construction of folk sports characteristic towns and the protection of intangible cultural heritage have the same purpose and interoperability of elements as the development of traditional cities. From the perspective of protecting folk culture and intangible cultural heritage, it is effective to promote the development of small towns with folk custom characteristics. Based on the research on the construction of folk-custom sports towns, this paper proposes a series of data model analysis and analyzes the proportion of sports preferences in the survey of volunteers in the folk-custom sports towns. The final result of the research shows that the ball games sports personnel accounted for the largest proportion, with 156 people accounting for 48.15%. This shows that about half of the people like ball sports, which proves that ball sports should be the mainstay of folk sports towns, and other sports should be supplemented by other sports.

Mid-IR spectra of polyaluminum ferric chloride (PAFC) with different Al/Fe molar ratio were studied by Fourier transform infrared spectroscopy. Some vibration bands were assigned. In the range of Al/Fe molar ratio < 3:7 and > 6:4, the delta bending vibration frequencies at 850-880 cm-1 of [formula: see text] and 930-970 cm-1 of [formula: see text] in PAFC vs Al/Fe molar ratio are linearly relalional. It shows that Fe(III) and Al(III) were taken place each other in [formula: see text] and [formula: see text], and these were the evidences for the presence of [formula: see text]. When Al/Fe molar ratio was close, [formula: see text] and [formula: see text] Al bulk bending vibration bands at 680 cm-1 and 625 cm-1 respectively became an overlapped and broad band at 640 cm-1. Correspondingly, the [formula: see text] and [formula: see text] delta bending vibration bands were weak markedly or even disappear. And these were the evidences for the presence of co-aggragation of Fe(III) and Al(III) hydroxyl polymers (Aluminous ferrihydrite). Intensity and frequency change of H-OH delta vibrations bands at 1,610-1,630 cm-1 vs Al/Fe molar ratio show: the amounts of coordinating water in Al-Fe hydroxyl co-aggragation compounds of PAFC are the highest and no longer change, as well as, the force of banding of coordinating water with center atoms is increasing when Al/Fe molar ratio > 6:4. These suggested that there are species structural Al-Fe hydroxyl co-aggragatin compounds and this is one of the causes that stability of PAFC solution can be keeped for a long time.