Using student and teacher open-ended questionnaires, and interviews with teachers and school principals and administrators, this study examined the bilingual learning difficulties faced by the Tibetan minority students in Qinghai Province, China, the challenges in meeting their needs, and the suggestions for coping with these challenges. The participants included 200 Tibetan minority students, 20 classroom teachers, and 10 school principals and administrators randomly selected from eight secondary schools located in eight different counties, where there are the most Tibetan minority students in Qinghai Province. The results showed that they experienced considerable difficulties in both spoken and written Chinese, which had prevented them from understanding the lectures, answering questions, interacting with peers in the classroom, and communicating with friends and classmates outside of classroom. The challenges in meeting their bilingual learning needs include: (a) a language choice dilemma for parents, (b) insufficient training of bilingual education teachers, (c) lack of bilingual education resources; (d) short of qualified teachers; (e) lack of parent-school communication; and (f) insufficient training of principals and administrators. Suggestions for coping with these challenges and educational implications are discussed.
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http://dx.doi.org/10.3389/fpsyg.2022.937390 | DOI Listing |
Sci China Life Sci
January 2025
Institute of Rare Diseases, West China Hospital of Sichuan University, Sichuan University, Chengdu, 610000, China.
Genomic sources from China are underrepresented in the population-specific reference database. We performed whole-genome sequencing or genome-wide genotyping on 1,207 individuals from four linguistically diverse groups (1,081 Sinitic, 56 Mongolic, 40 Turkic, and 30 Tibeto-Burman people) living in North China included in the 10K Chinese People Genomic Diversity Project (10K_CPGDP) to characterize the genetic architecture and adaptative history of ethnic groups in the Silk Road Region of China. We observed a population split between Northwest Chinese minorities (NWCMs) and Han Chinese since the Upper Paleolithic and later Neolithic genetic differentiation within NWCMs.
View Article and Find Full Text PDFSci Total Environ
January 2025
SKL-ESPC & SEPKL-AERM, College of Environmental Sciences and Engineering and Center for Environment and Science, Peking University, Beijing 100871, China.
Previous research has revealed that, during the late afternoon, the ozone (O3) concentration tends to elevate at the northern perimeter of Mount Everest (5200 m above sea level). This increase is attributed to the natural gradient of rising O3 concentration with height, exacerbated by the corresponding downstream mountain winds. Our recent field observations corroborate this finding, showing a consistent increase in O3 concentrations by approximately 13.
View Article and Find Full Text PDFTrop Med Health
December 2024
Graduate School of Public Health, St. Luke's International University, CCA 5th Floor, 3-6-2 Tsukiji, Chuo-Ku, Tokyo, 104-0045, Japan.
Background: Malaria remains the leading cause of under-five morbidity and mortality in low- and middle-income countries. Sleeping under mosquito nets, especially insecticide-treated nets (ITNs), is one of the best ways to prevent malaria as they form a physical and chemical barrier against mosquitoes. Therefore, the present study aimed to assess not only mosquito net use, but also how environmental factors, specifically land surface temperature, contribute to malaria prevention among households with children under 5 years of age in Lao PDR.
View Article and Find Full Text PDFSci Total Environ
January 2025
Xizang Bureau of Geology and Mineral Exploration and Development, Lhasa 850000, China.
High lithium (Li) and cesium (Cs) concentrations in the Qinghai-Xizang Plateau thermal springs pose environmental and health challenges, but their origins and enrichment mechanisms remain unclear. This study focuses on the Sogdoi geothermal field, located along the southern Karakoram Fault, to investigate these processes. Multi-isotope analyses (H, O, Li, Sr) reveal that Li and Cs predominantly originate from the host rocks, especially granitoids and meta-sedimentary rocks, rather than from magmatic fluids.
View Article and Find Full Text PDFNatl Sci Rev
December 2024
Institute of Carbon Neutrality, Sino-French Institute for Earth System Science, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China.
Atmospheric CO growth rate (CGR), reflecting the carbon balance between anthropogenic emissions and net uptake from land and ocean, largely determines the magnitude and speed of global warming. The CGR at Mauna Loa Baseline Observatory reached a record high in 2023. We quantified major components of the global carbon balance for 2023, by developing a framework that integrated fossil fuel CO emissions data and an atmospheric inversion from the Global ObservatioN-based system for monitoring Greenhouse GAses (GONGGA) with two artificial intelligence (AI) models derived from dynamic global vegetation models.
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