Mostrando 261 - 280 Resultados de 318,837 Para Buscar '"sinc"', tiempo de consulta: 0.64s Limitar resultados
  1. 261
    por Miao, Chi-Yuan, Ni, Jin-Ren
    Publicado 2009
    “…In this paper, the natural streamflow observed since 1470 at the Sanmenxia station in the middle Yellow River basin was collected, and the methods of variation coefficient, moving average, Mann-Kendall test and wavelet transform were applied to analyze the dynamic characteristics of the streamflow. …”
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  2. 262
    “…We examined the effects of time since transition (TST) to organic farming on plant species richness and butterfly species richness and abundance. …”
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  3. 263
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    “…Although this catastrophe has caused the most devastating damage to Japan since World War II, we believe that our systematic preparation for disasters somewhat alleviated the damage. …”
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  5. 265
    “…A majority of these structurally complex compounds have very potent and interesting biological activities. It has been a decade since a thorough review has been published that summarizes the literature on the natural products reported from this amazing sponge order. …”
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  6. 266
    “…OBJECTIVE: Assess the current BCG vaccination policies and delivery pathways for immunisation in Primary Care Trusts (PCTs) in England since the 2005 change in recommendations. DESIGN: A survey of key informants across PCTs using a standardised, structured questionnaire. …”
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  7. 267
  8. 268
    “…BACKGROUND: Since the early 1990s former communist countries have been reforming their health care systems, emphasizing the key role of primary care and recognizing family medicine as a specialty and an academic discipline. …”
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  9. 269
  10. 270
    “…Here we report a significant increase in the annual growth of boreal forests in Finland in response to climatic warming, especially since 1990. This finding is obtained by linking meteorological records and forest inventory data on an area between 60° and 70° northern latitude. …”
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  11. 271
    por Le Houézec, Dominique
    Publicado 2014
    “…Since the implementation of the mass vaccination campaign against hepatitis B in France, the appearance of multiple sclerosis, sometimes occurring in the aftermath of vaccinations, led to the publication of epidemiological international studies. …”
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  12. 272
    “…Observational analyses of running 5 year ocean heat content trends (H(t)) and net downward top of atmosphere radiation (N) are significantly correlated (r ∼ 0.6) from 1960 to 1999, but a spike in H(t) in the early 2000s is likely spurious since it is inconsistent with estimates of N from both satellite observations and climate model simulations. …”
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  13. 273
    “…Here we present a well-dated, pollen-based, ~20-yr-resolution quantitative precipitation reconstruction (derived using a transfer function) from an alpine lake in North China, which provides for the first time a direct record of EASM evolution since 14.7 ka (ka = thousands of years before present, where the “present” is defined as the year AD 1950). …”
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  14. 274
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  16. 276
    “…In this case report we present a 55-year-old man with multiple giant pilar cysts that were distributed over the whole body since childhood. One of the cyst on the chest was transformed to squamous cell carcinoma (SCC).…”
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  20. 280
    “…In 2003, 294,000 induced abortions were estimated to occur each year in Uganda. Since then, no other research on abortion incidence has been conducted in the country. …”
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