نتایج جستجو برای: during the last several years
تعداد نتایج: 16321994 فیلتر نتایج به سال:
1.0 overview it seems that grammar plays a crucial role in the area of second and foreign language learning and widely has been acknowledged in grammar research. in other words, teaching grammar is an issue which has attracted much attention to itself, and a lot of teachers argue about the existence of grammar in language teaching and learning. this issue will remind us a famous sentence f...
Introduction: Assessing the course of Alzheimer's disease and other dementias is very important due to lack of a definitive treatment, increase in life expectancy, and aging population. This study aimed to investigate the long-term trend in the incidence and mortality rate of Alzheimer's and other dementias in Iran during 1990-2019. Materials and Methods: Age-Standardized Incidence Rate (ASIR) ...
It is my first duty and privilege to thank you for the honour you have conferred upon me by electing me to this Chair. This is the greatest honour that you have in your power to confer upon any of your members, and it is a matter of great pride to me that you have considered me worthy to occupy the Chair which has been so ably filled by my predecessors. During the last thirty years none of your...
Constraining the history of seawater (234U/238U) is important because this ratio is used to assess the validity of U/ Th ages, and because it provides information about the past rate of physical weathering on the continents. This study makes use of U-rich slope sediments from the Bahamas in an attempt to reconstruct seawater (234U/238U) for the last 800 kyr. For the last 360 kyr, U/Th dating of...
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