نتایج جستجو برای: over 1989
تعداد نتایج: 1168493 فیلتر نتایج به سال:
Analysis of Spatially Distributed Monthly Rainfall and Temperature over Bangladesh from 1989 to 2019
In this study, based on the analysis of historical data temperature and rainfall recorded at 34 meteorological stations, It is reveal Climate change variability in Bangladesh from 1989-2019. Analysis showed that for most total an increasing trend monsoon post-monsoon seasons. The average increase monthly maximum minimum temperatures during 31 years 1989 to 2019 quite significant. These changes ...
A retrospective analysis of 147 brochoscopies performed at Imam Khomeini Medical Center, for foreign bodies over a 5 years period, 1989 to 1994 is reported. Children under 5 years accounted for 81.57% of the cases in brochoscopy 67.54% of foreign bodies were extracted, from right main bronchos and most of the patients were male (56.2%) the commonest foreign body in Hamadan was the watermel...
Background: Childhood poisoning is a significant international health concern. Very little is known about trends in exposures within schools and preschools. The objectives of this study were to investigate the data recorded by the New Zealand National Poisons Centre (NPC) on these types of exposures over a 21 year period (1989 to 2009) and to determine trends and propose strategies to reduce th...
CONTEXT AND OBJECTIVE Recently, breast-conserving surgery (BCS) has been replacing mastectomy for breast cancer treatment. The aim of this study was to evaluate the changes in mastectomy and BCS rates and the factors relating to these shifts. DESIGN AND SETTING A retrospective study in a Brazilian public hospital. METHODS Pathological records from female patients who underwent surgery for b...
background and aims: blacks have a higher rate of chronic medical conditions (cmc), disability, and depressive symptoms compared to whites. the present study compared blacks and whites for bidirectional associations between cmc, disability, and depressive symptoms over a 25-year period. methods: data came from all five waves (1986, 1989, 1994, 2001, and 2011) of the americans’ changing lives st...
Monitoring and quantifying changes in vegetation cover over large areas using remote sensing can be achieved using the Normalized Difference Vegetation Index (NDVI), an indicator of greenness. However, distinguishing gradual shifts in NDVI (e.g., climate related-changes) versus direct and rapid changes (e.g., fire, land development) is challenging as changes can be confounded by time-dependent ...
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