Mostrando 201 - 220 Resultados de 23,951 Para Buscar '5. prosinec~', tiempo de consulta: 6.20s Limitar resultados
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    “…Based on 0.01°×0.01° grid data of PM(2.5) annual concentration and statistical yearbook data for 11 cities in Hebei Province from 2000 to 2015, the temporal and spatial distribution characteristics of PM(2.5) in the study area are analysed, the level of intensive land use in the area is evaluated, and decoupling theory and spatial regression are used to discuss the relationship between PM(2.5) concentration and intensive land use and the influence of intensive land use variables on PM(2.5) in Hebei Province. …”
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    “…Using a cross-sectional design, we assessed the prevalence of SARS-CoV-2 tests and of positivity in the general population of the 530,000-inhabitant Italian province of Udine and in subgroups affected by chronic conditions in the first weeks of SARS-CoV-2 epidemic. …”
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    “…The majority of HCoV infections occurred during fall months. No significant differences in gender, sample type, year were seen across species. 37.5 to 52.6% of coronaviruses detected were in specimens testing positive for other respiratory viruses. …”
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    “…Passive smoking during pregnancy, which is prevalent in China, has been reported to be associated with an increased risk for neural tube defects (NTDs) in five counties of Shanxi Province in northern China. …”
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  6. 206
    “…Therefore, it is necessary to monitor the genomic variation and genetic evolution characteristics of SARS-CoV-2. The main purpose of this study was to detect the entry of different SARS-CoV-2 variants into Jiangsu Province, China. …”
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    “…Consequently, this work aimed to study and analyze the air quality in several provinces and cities in the country focusing on PM(2.5). …”
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    “…The agreement, known-groups validity and sensitivity of these five tariffs were evaluated. Transition scores for pairs of observed EQ-5D-3L health states were calculated and compared. …”
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    por Dastani, Meisam, Sattari, Masoume
    Publicado 2017
    “…The sample consisted of 49 hospital websites of Khorasan Razavi province. The instrument was used check list including 21 components and four criteria (content, performance, management and how to use the website). …”
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