نتایج جستجو برای: since last decades

تعداد نتایج: 786846  

Journal: :IIM Kozhikode Society & Management Review 2013

Abstract. Marriage, along with the mechanisms of realization and the order and arrangements related to it, is one of the most important social, cultural and biological phenomena that is both affected by the changes in society and influential on it. In recent decades, despite the relative continuity in some aspects, attitudes and behaviors related to marriage in Iran, the timing of marriage has ...

2013
René Morissette Garnett Picot Yuqian Lu

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Journal: :Journal of Nuclear Materials 2021

The self-irradiation of PuO2 has been shown to affect the attributes fifteen vibrational bands in Raman spectrum. correspond allowed mode T2g, overtones, defects, and from electronic origin. Defects crystal lattice low-calcination temperature alpha decay origins are responsible for changes band (band position, full-width half maximum (FWHM), intensity). Crystal defects also growth defect bands....

2016
Hyo-Suk Lee

Korea has been one of the endemic areas of hepatitis B virus (HBV; exclusively genotype C) infection since ancient times. The epidemiology of HBV in Korea is easily expected to have changed over the last two decades owing to the high coverage rate of universal HBV vaccination. The main mode of hepatitis C virus (HCV) infection may have been effectively blocked since 1992 when compulsory blood s...

2015
Fahu Chen Qinghai Xu Jianhui Chen H. John B. Birks Jianbao Liu Shengrui Zhang Liya Jin Chengbang An Richard J. Telford Xianyong Cao Zongli Wang Xiaojian Zhang Kandasamy Selvaraj Houyuan Lu Yuecong Li Zhuo Zheng Haipeng Wang Aifeng Zhou Guanghui Dong Jiawu Zhang Xiaozhong Huang Jan Bloemendal Zhiguo Rao

The lack of a precisely-dated, unequivocal climate proxy from northern China, where precipitation variability is traditionally considered as an East Asian summer monsoon (EASM) indicator, impedes our understanding of the behaviour and dynamics of the EASM. Here we present a well-dated, pollen-based, ~20-yr-resolution quantitative precipitation reconstruction (derived using a transfer function) ...

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