نتایج جستجو برای: ماده osl
تعداد نتایج: 35001 فیلتر نتایج به سال:
The quest for new materials thermoluminescence (TL) and optically stimulated luminescence (OSL) dosimetry continues to be a central line of research in dosimetry, occupying many groups investigators, is the topic publications. Nevertheless, it has also been area with pitfalls, slow advances our understanding processes, rare improvements over existing materials. Therefore, this paper reviews sta...
Introduction Conclusions References
This study utilizes OSL-SAR, TL-SAR, and TL-MAAD methods to date heated quartz extracted from burnt clay pottery samples the Lingjiatan archaeological site, China. The OSL components of were determined by deconvoluting CW-OSL curve, Fast Ratio value was used distinguish whether initial signal dominated fast component. results show two types characteristics in signals: Type I is component (Fast ...
It is very difficult to obtain absolute historical datings of road features found at archaeological excavations. Nevertheless, various physical dating methods have been developed for this purpose, including Optical Stimulated Luminescence (OSL). After a small-scale campaign, samples from medieval trading route in the Veluwe area (central Netherlands) on sandy soils dated with OSL, order compare...
Background and Aim: Today, OSL (Optically Stimulated Luminescence) dosimetry system based on optical stimulation, includes systems that can meet many requirements for radiation protection in the field of medicine and space. The Calcium Sulfide (CaS) is one of the earth's alkaline sulfide materials which can be used as a detector in this system. In this research, some of the dosimetry propertie...
An extensive series of 44 radiocarbon (14C) and 37 optically stimulated luminescence (OSL) ages have been obtained from the site of Riwi, south central Kimberley (NW Australia). As one of the earliest known Pleistocene sites in Australia, with archaeologically sterile sediment beneath deposits containing occupation, the chronology of the site is important in renewed debates surrounding the colo...
ویژگیهای زیستی بهویژه رفتار تخمریزی زنبورهای پارازیتویید یکی از مهمترین عوامل تعیینکننده کارایی آنها در مدیریت جمعیت آفت میزبان میباشد. این مطالعه الگوی وابسته به سن، نرخ پارازیتیسم، درصد تفریخ و نسبت جنسی زنبور Trichogramma brassicae روی Ephestia kuehniella شرایط آزمایشگاهی (1±25 درجه سلسیوس، رطوبت نسبی %5±70 دوره نوری 16: 8 ساعت (روشنایی: تاریکی)) بررسی شد. نتایج نشان داد T. سنین جوانی (...
The loess stratigraphic boundary at the Pleistocene/Holocene transition defined by the magnetic susceptibility (MS) has previously been assumed to be synchronous with the Marine Isotope Stage (MIS) 2/1 boundary, and approximately time-synchronous at different sections across the Chinese Loess Plateau (CLP). However, although this assumption has been used as a basis for proxy-age model of Chines...
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