نتایج جستجو برای: maroon formation
تعداد نتایج: 527591 فیلتر نتایج به سال:
Another splendid Birdquest tour to Sulawesi and Halmahera, and one that was rather different to usual, in that we did not see rain until our penultimate day! Everywhere was very hot and dry, some areas not having had any rain for three months, perhaps the effect of an ‘El Nino’ weather event. This however didn’t seem to have any negative effect on the birding, and we recorded a very handsome to...
the hydrolysis of cadmium nitrate was studied spectrophotometrically at different ionic strengthsof sodium perchlorate in a wide ph range, 1-12, and at 25 c. least squares calculations areconsistent with the formation of m(oh)+, m(oh)2, m(oh)3- and m(oh)42- species, which m iscd2+. the dependency on ionic strength in the background electrolyte solutions was taken intoaccount by using a debye-hu...
introduction: the greatest part of constructed dams belongs to embankment dams and there are many examples of their failures throughout history. about one-third of the world’s dam failures have been caused by flood overtopping, which indicates that flood overtopping is an important factor affecting reservoir projects’ safety. moreover, because of a poor understanding of the randomness of floods...
As a way to address the current postcolonial moment, characteristic of ongoing relations resource extraction and border control, we turn metaphor plantation, offering an interpretation Katherine McKittrick’s idea plantation logics. Plantation museums, centered on former planters’ mansions (the ‘big house’) in U.S., are important vehicles for narrating historical period slavery. However, such si...
We present dayside thermal emission observations of the hottest exoplanet KELT-9b using new MAROON-X spectrograph. detect atomic lines in with a signal-to-noise ratio 10 cross-correlation binary masks. The detection confirms presence inversion KELT-9b's atmosphere. also use M-dwarf stellar masks to search for TiO, which has recently been invoked explain unusual Hubble Space Telescope WFC3 spect...
زمینه و هدف: حفظ انحنای کانال ضمن آماده نمودن آن از اهمیت ویژه ای برخوردار است. در درمانهای اندودنتیک همیشه تلاش می شود که شکل نهایی کانال تغییر نکند و کاملاً دربرگیرنده شکل اولیه آن باشد. مطالعه حاضر با هدف تعیین میزان حفظ انحنای کانال در ریشه های داندنهای مولراول بالا و پایین، در موارد درمان ریشه شده و ارزیابی روش step- back به عنوان روش کلاسیک در آماده سازی این دندانها انجام شد.روش بررسی: طی ...
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