Zobrazeno 1 - 10
of 1 299
pro vyhledávání: '"mountainous areas"'
Publikováno v:
Railway Sciences, Vol 3, Iss 5, Pp 650-669 (2024)
Purpose – This study aims to analyze the impact mechanism of typical environments in China's western mountainous areas on the durability of railway concrete and propose measures to improve durability. Design/methodology/approach – With the contin
Externí odkaz:
https://doaj.org/article/6b5ae3d9ffc84d0ca25eed0899289f92
Publikováno v:
Ziyuan Kexue, Vol 46, Iss 7, Pp 1406-1420 (2024)
[Objective] The purpose of the study was to explore the evolution process, development stages, and driving factors of farmland marginalization in typical villages in mountainous areas, to examine the characteristics and mechanisms of farmland margina
Externí odkaz:
https://doaj.org/article/05a70a88fcb14786ab245e3d34736904
Publikováno v:
智慧农业, Vol 6, Iss 3, Pp 1-16 (2024)
SignificanceThe mechanization, automation and intelligentization of agricultural equipment are key factors to improve operation efficiency, free up labor force and promote the sustainable development of agriculture. It is also the hot spot of researc
Externí odkaz:
https://doaj.org/article/d1456a9072844a4ab7793d25c6dfc539
Publikováno v:
Frontiers in Sustainable Food Systems, Vol 8 (2024)
China’s gradual transition from traditional agriculture to modern agriculture has allowed land factors with comparative advantages in the countryside to be identified, which, in turn, has promoted the two-way flow of urban and rural resources, lead
Externí odkaz:
https://doaj.org/article/84f6788dde1241909b4ef29964da2c37
Autor:
Haribondhu Sarma, Pham Ngan Giang, Matthew Kelly, Tran Van Anh, Chalapati Rao, Nguyen Phuong Hoa
Publikováno v:
International Journal of Public Health, Vol 69 (2024)
ObjectivesTo assess the pre-training knowledge of Commune Health Stations (CHSs) physicians in Vietnam on pregnancy and child care.MethodsA cross-sectional study was conducted and a pre-training questionnaire was administered with physicians working
Externí odkaz:
https://doaj.org/article/e16045a637f54980afd4a815d2927cf1
Publikováno v:
Heliyon, Vol 10, Iss 13, Pp e33481- (2024)
Food security has a bearing on national development and people's livelihoods and is an important guarantee of social stability for national development. The problems of arable land abandonment and non-grain are becoming more and more serious, and nat
Externí odkaz:
https://doaj.org/article/46f6aa61749b43edb3d4ce2e5efa7d3a
Publikováno v:
International Soil and Water Conservation Research, Vol 12, Iss 1, Pp 43-53 (2024)
The Grain for Green Program and soil and water conservation engineering initiatives are crucial for controlling erosion in steep-slope agriculture. However, it is still unclear how these two management methods should be carried out in respect to the
Externí odkaz:
https://doaj.org/article/50853646279f4f0fbbb0f82b2044d346
Autor:
LI Peng, QI Shi, ZHANG Lin, HU Jun, TANG Ying, LU Jinsheng, WANG Xiangyu, LAI Jinlin, LIAO Ruien, ZHANG Dai, ZHANG Yan
Publikováno v:
Shuitu Baochi Xuebao, Vol 38, Iss 1, Pp 337-346 (2024)
[Objective] This study is aimed at comprehensively evaluating the soil quality of different vegetation restoration types in the mountainous areas of Beijing, and further identifying the key factors affecting soil quality, so as to provide data suppor
Externí odkaz:
https://doaj.org/article/80d103c973f04a3b89fa21da4ef58978
Publikováno v:
IEEE Access, Vol 12, Pp 38917-38926 (2024)
The electrified railways in mountainous areas are faced with multiple difficulties such as weak power grids, special climatic environments, complex and dangerous geographical conditions, which poses a great challenge to the reliable power supply of t
Externí odkaz:
https://doaj.org/article/b620030d96c4463185c75950e61e7d85