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This paper explores the beliefs, attitudes, and efforts of parents with regard to the use and preservation of regional Chinese varieties including Cantonese in the region of Guangzhou, China. The study relied on a sequential mixed method approach, involving 771 parents who completed a parental questionnaire in an online survey on Chinese parents’ language ideology, practice, and management in the home domain, followed by semi-structured interviews of 10 of the surveyed participants to gather detailed data related to the questionnaire results. The study identified inconsistencies in the participants’ beliefs and actual language practice in the survey, revealing mediation by sociolinguistic complexities, national language policies, and socioeconomic conditions on family language decisions and practices. These remind us that the survival of regional Chinese varieties or linguistic varieties without official recognition requires conducive socio-political conditions, including relevant national language policies. The results also suggest that researchers should be particularly concerned by the decline of regional Chinese varieties other than Cantonese, which are not backed up by the national language policy but enjoy a similarly prestigious status to Cantonese in the region.

Nowadays, with the rapid development of the Internet, all walks of life are closely connected with the development of the Internet. Differences in the degree of integration between different industries and the Internet make the leading industries of the national economy constantly change, thus promoting the transformation and upgrading of the industrial structure. The impact of Internet development on the upgrading of industrial structure is not only that the interconnected technologies and platforms change the traditional economic model, but also that the integration of Internet and industry has a profound impact on the industrial structure.

At present, China is engaged in the battle of poverty alleviation. The poverty problem in the China-Myanmar border area is an important issue affecting the construction of a moderately prosperous society in China’s Yunnan Province and even the whole country. The border area between China and Myanmar is rich in tourism resources and a large number of ethnic minorities live there. The ethnic minority customs are gorgeous. The border area between China and Myanmar has beautiful scenery and rich tropical customs. The tourism poverty alleviation strategy can be implemented and tourism development projects can be established according to local conditions. The development of border tourism between China and Myanmar can not only attract tourists to appreciate the beautiful tropical and subtropical landscapes and feel the simple lifestyle of ethnic minorities, but also promote the development of local economy. The development of border tourism can also strengthen people-to-people exchanges, enhance the communication between the two countries, and help to carry out international trade and seek economic cooperation.

As an emerging form of financial innovation, Internet finance will inevitably break through the boundary of traditional finance in the process of innovation. Therefore, how to adapt the supervision to the characteristics of Internet finance and how to balance the innovation and supervision of Internet finance have presented a new issue to the regulatory authorities. Based on the connotation and characteristics of Internet finance, this paper analyzes the current development status of Internet finance in China, and analyzes the problems of Internet finance industry, such as imperfect laws and regulations, chaotic financial supervision institutions, loss of supervision technology and talent, and information disclosure. Finally, from three aspects of supervision legal system, this paper puts forward a series of moderate and effective supervision suggestions on the supervision system and internal supervision mechanism of Internet finance, so as to promote the stable development of the Internet.

Technological innovation is the core power to promote economic growth, and public financial policy plays an important role in stimulating enterprises to carry out technological innovation. The new technological revolution has not only provided opportunities but also posed serious challenges to developing countries. We must adapt to the development trend of the new technological revolution, change the traditional model of economic development, formulate new development strategies, improve existing public policies, constantly raise the level of science and technology, and embark on the road of making China a technologybased country. By analyzing the relationship between technological innovation and public financial policy, this paper draws out the shortcomings of China’s existing fiscal policy in promoting technological innovation, and makes a comparative analysis of the fiscal policy of the United States and draws on its experience, so as to get the technical innovation suggestions under China’s public financial policy.

2,4,6-Trinitrophenol is a toxic aromatic nitro-compounds that widely used in pharmaceutical, chemical and pesticide production. Due to its stable structure and poor biodegradability, advanced electrocatalytic oxidation technology was selected to treat simulated wastewater. The goal of the present work is to optimize the electrolysis conditions such as current density, electrolysis pH, and electrolyte concentration. A Pt modified TiO2 electrode was chosen as the anode accompanied with a titanium electrode of the same size as the cathode The results showed that the removal efficiency of 2,4,6-Trinitrophenol was the highest when the current density was 20mA/cm2, electrolyte pH=5, electrolyte concentration was 2 g/L. Under the optimal condition, the removal rate of 2,4,6-Trinitrophenol reached 99.76% after 120 minutes electrolysis. The decay of TNP could also be described by the pseudo-first-order kinetics formula with respect to TNP concentration. Therefore, electrocatalytic oxidation technology might provide an effective method for the degradation of nitroaromatic organic compounds.