Search

In the context of high-quality development of education, vigorously promoting the construction of new agricultural science is the need to serve the national strategy and rural revitalization, and is an inevitable choice for the development of agriculture-related colleges and universities. Exploring a new path of agricultural science construction that is in line with both national policies and local socio-economic development, and cultivating high-quality agricultural talents is a realistic problem that needs to be solved at present. This paper adopts inductive method through interviews with experts from agriculture-related colleges and universities, research institutes, industry enterprises and government authorities, and expert discussion sessions, and proposes that the construction of new agricultural science in Xinjiang needs to adopt such paths as innovative talent cultivation system, innovative talent practice platform, innovative curriculum system, innovative teacher team construction, innovative research platform for rural revitalization, and support for the construction of Xinjiang New Agricultural Science Education Union to achieve high-quality talent cultivation and enhance the ability to serve rural revitalization. This study tries to propose a new construction path for the construction of Xinjiang agricultural science, explore a new track for agriculture-related colleges and universities to serve the needs of rural strategy and shape a new development momentum.

Guangdong-Hong Kong-Macao Greater Bay Area (GBA) is highly developed, characterized by obvious geographical advantages, excellent natural resources, continuous improvement of environmental quality, and accumulation of scientific and technological innovation elements. It is an important space carrier and hinterland for the construction of " the Belt and Road initiative ". However, the long-term, high-speed, and extensive development model has also caused the Greater Bay Area to carry more debt in the environment and history. Therefore, in order to construct the pattern of ecological civilization construction in GBA, it is urgent to establish and improve the evaluation system and policy system of ecological civilization from the top-level design, and to construct the pattern of high-quality ecological space, green industry and joint defense.

In order to study the influence of pits’ size parameters on the tribological properties of textured friction pairs, using the Nd:YAG laser micro machining system and the “single pulse at the same point, interval more times” processing technics to process the pits on the surface of 45 steel. The dimension parameters of pits texture were obtained by orthogonal experimental design. The tribological experiment of GCr15 pin/45 steel disc was carried out by UMT-2 test machine. The surface morphology of the specimens was analyzed by using scanning electron microscopy. The experimental results show that the pits texture on the surface of 45 steel can effectively reduce the friction coefficient and the wear on the condition of oil-rich lubrication. The textured specimen with diameter 60μm, depth 6μm and surface density 10% has the lowest friction coefficient, and the friction coefficient is reduced by 21% compared with the smooth specimen. By analyzing the wear morphology on the surface of 45 steel, it is found that the surface of pits texture can obviously reduce the wear.