نتایج جستجو برای: carbonate platform

تعداد نتایج: 167016  

Journal: :Geological Magazine 2023

Abstract The Sichuan Basin was a part of the Yangtze Carbonate Platform (YCP) during Cambrian–Ordovician, and marine carbonates were deposited in basin this interval. Although previous studies have evaluated paleogeography, paleoclimate paleoecology basin, they primarily focused on biological evolution basin; however, analysis paleogeography is lacking. This study integrated outcrop sedimentolo...

Journal: :American journal of physiology. Renal physiology 2014
Geert J Behets Geert Dams Stephen J Damment Patrick Martin Marc E De Broe Patrick C D'Haese

Both calcium-containing and noncalcium-containing phosphate binders can increase gastrointestinal calcium absorption. Previously, we observed that lanthanum carbonate administration to rats with renal failure is not associated with increased calciuria. Additionally, lanthanum carbonate treatment in dialysis patients has been associated with a less pronounced initial decrease in serum parathyroi...

Journal: :Palaeogeography, Palaeoclimatology, Palaeoecology 2021

Mixed carbonate-siliciclastic platforms developed in the onshore and offshore zones of several basins along Amazonian coast starting Palaeocene. The shutdown Miocene carbonate accumulation distinct tectonic settings shows different evolutionary histories Eastern coast. has been attributed to abundant siliciclastic fluvial inflow from Andean Amazon River during late Miocene. combination previous...

Journal: :Geosciences 2023

At the end of November 2021, a large area Puglia (an administrative region in Southern Italy) was officially nominated as new aUGGp (aspiring UNESCO Global Geopark) by Italian National Commission UNESCO. This comprises northwestern part Murge territory, where Cretaceous sector Apulia Carbonate Platform crops out, and adjacent Premurge southwestward lateral continuation same platform (being flex...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده آموزشهای الکترونیکی 1392

در این پایان نامه یک کنترل موفق و مناسب درمورد یک ژیروسکوپ 3 درجه آزادی مورد بررسی قرار گرفته است. یکی از موارد استفاده از این کنترل این است که این کنترل می تواند روی یک وسیله پرنده یا متحرک مورد استفاده قرار بگیرد. هدف نهایی در این پایان نامه طراحی یک صفحه پایدار 3 درجه آزادی میباشد. مدل ریاضی مورد استفاده در این پایان نامه براساس معادلات حرکت اویلر می باشد که شرح کامل آن در متن پایان نامه آمد...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2011
Chris T Perry Michael A Salter Alastair R Harborne Stephen F Crowley Howard L Jelks Rod W Wilson

Carbonate mud is a major constituent of recent marine carbonate sediments and of ancient limestones, which contain unique records of changes in ocean chemistry and climate shifts in the geological past. However, the origin of carbonate mud is controversial and often problematic to resolve. Here we show that tropical marine fish produce and excrete various forms of precipitated (nonskeletal) cal...

Journal: :Journal of environmental management 2007
Jeng-Shiow Hsiung Yi-Chin Huang Kung-Cheh Li Shinhao Yang

This work explores the effect of additives on the pouring temperature in a waterworks and industrial calcium fluoride sludge co-melting system. Two kinds of sludge were mixed in various ratios to find a mixing ratio at which the operating temperature for subsequent additive tests was relatively low. Various proportions of either sodium carbonate (Na2CO3) or potassium carbonate (K2CO3) reagent w...

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