Abstract.With the rapid development of industry and agriculture, copper mining, combined with the use of copper-bearing fertilizers and wastewater discharge, has led to a doubling of copper concentrations in farmland soils. When the heavy metal content in soil is too high, the growth and development of plants will be hindered. Heavy metal stress can disturb the physiological function of plants and even lead to plant poisoning. Spinach is a vegetable widely grown all over the world. Spinach is rich in nutrients, vitamins and minerals and has high nutritional value. It is of great theoretical … Read more →

Abstract.Agricultural resources and environment suffer from exogenous pollution and endogenous pollution, and the sustainable development of agriculture encounters a bottleneck. And we need to pay enough attention to agricultural non-point source pollution that is widely distributed and affects large geographic areas. Agricultural non-point source pollution leads to increasing soil and water pollution and agricultural products quality and safety risks. Previous researches have focused on the environmental impact of point source and industrial pollution. However, that is insufficient attention to the … Read more →

Abstract.Cooperative learning is a form of teaching activity that takes group as the basic form and uses classroom interaction to promote students' learning so as to achieve common teaching objectives. This paper will look at the advantages and disadvantages of the cooperative learning method. In general, cooperative learning is a method worth studying, which has a lot of inspiration for current foreign language teaching. For example, cooperative learning can provide a variety of activities and increase the frequency and diversity of language learning. Cooperative learning can help improve the ability … Read more →

Abstract.With the change of social demand for talents and students' demand for integration of professional knowledge, when virtual reality redefines photography and videography, college photography and videography courses should also actively apply virtual reality technology to carry out teaching and practical training. Virtual reality technology can be presented in a visual way in the photography course, directly hit the teaching difficulties, blind spots, theoretical and abstract concepts easily mastered; Practice shooting can be interactive learning, human-computer interaction, leading the flipped … Read more →

Abstract.The research on the development of resource declining city is an important issue in the process of new urbanization. With the adjustment of industrial structure and the continuous improvement of people's material needs, there are more and more contradictions in the development of resource declining cities. The lack of endogenous impetus for economic development, the continuous loss of urban population, the disorderly and inefficient expansion of construction land, and the increasingly significant environmental problems have hindered the sustainable development of resource declining cities. In … Read more →

Abstract.With the rapid and in-depth standardized development of the domestic agricultural Internet economic model in full swing in recent years, the government began to gradually increase its commitment to support and investment in the development of rural e-commerce, including local public and financial support, as well as the guidance and support of the national government. In addition, the rapid development of domestic third-party platform enterprises and the current The development of the vast rural e-commerce industry in China is greatly promoted, the rapid and in-depth standardization and … Read more →

Abstract.Under the financial environment of in-depth innovation, commercial banks are facing systematic risk prevention, and rural commercial banks are the main force of financial services for rural revitalization, but their limited service level and unsound credit system are still the main factors restricting the development of "agriculture, rural areas and farmers" in China. Based on the annual report data of Taizhou Rural Commercial Bank in Jiangsu Province and the credit risk faced by rural commercial banks, this paper puts forward corresponding countermeasures and suggestions from both the … Read more →

Abstract.China's port construction has now entered a stable period in terms of quantity, but there are still a lot of discussions about the development mode of port areas. The development of port areas cannot be separated from the development of the regional economy. And the future development of ports and the regional economy has been a hot topic in academic circles. This paper takes Wenzhou Port as a case study and analyses three aspects, namely, the introduction of Wenzhou Port, the current development situation and the dilemma, to put forward opinions and summarize the future development of Wenzhou … Read more →

Abstract.Rural e-commerce economy has driven the development of rural characteristic industries, and also boosted the transformation and upgrading of the rural economy. In the context of COVID-19, the rural e-commerce economy is facing severe challenges in talent, logistics, capital and infrastructure. It is necessary to strengthen the training of rural e-commerce economy talents, smooth logistics services and strengthen the supply chain and measures to promote the better and faster development of the rural e-commerce economy. This paper explores the financing needs of rural e-commerce in China, and … Read more →

Abstract.The practical significance of the high-vocational mold program under the condition of industrial upgrading and new technology-driven conditions to become the undergraduate program of materials molding and control engineering was discussed. through the college-industry co-construction of the industrial college, it has broaden the teachers and training facilities of vocational education, promote the in-depth integration of college and industries, realize the inherent attributes of vocational education for the industrial chain. Promote the high-quality development of the manufacturing industry … Read more →

Abstract.The development of the logistics industry has greatly changed people's lifestyle. More and more enterprises have begun to pay attention to internal management. The purpose of material management is to enable enterprises to meet the needs of the user departments at the right time, at the right amount, at the right price and with the right quality, with the lowest cost and the ideal and rapid process, so as to reduce the loss and maximize the efficiency of materials. Therefore, it is necessary for any enterprise to forecast the future demand of the target market and make production plans. This … Read more →

Abstract.The current market of digital media application technology personnel training positioning, but not optimistic. There is a serious polarization in the positioning of Chinese digital media technical talents. The talents cultivated are usually mainly low-end production personnel (skilled technicians) and pure researchers, while the middle layer compound talents, which are in the greatest demand in the future, are the least. Therefore, under the demand of a large number of talents, it has become the inevitable mission of higher vocational education to cultivate excellent digital media technical … Read more →