نتایج جستجو برای: carbonated serpentinite
تعداد نتایج: 1928 فیلتر نتایج به سال:
The Mawat ophiolite complex is of Cretaceous period as a residue oceanic crust covers about 200 km2, Northeastern Iraq.. serpentinite rocks are exposed diapir in the northeastern suture Zagros zone Iraq near Beetwat village, field study and petrography reveal two types serpentinite, shear massive, with three serpentine varieties. affected by secondary processes such diagenesis, metamorphism hyd...
Oceanic transform faults display fewer and smaller-magnitude earthquakes than expected for their length. Several mechanisms have been inferred to explain this seismic slip deficit, including increased fault zone damage resulting in elevated fluid flow, the alteration of olivine serpentine. However, date, these possible are not supported by direct observation. We use micro kilometer scale observ...
In recent years, the mélange model has been increasingly considered as an important way to transfer slab components arc sources in modern subduction zones. This differs from classic fluid/melt metasomatism that it invokes physical mixing of bulk sediment, altered oceanic crust (AOC), serpentinite, and mantle wedge at slab-mantle interface. However, due lack subducted sediment compositions, not ...
High consumption of soft drinks has been associated with lower intakes of milk and calcium-rich foods and higher body mass index (BMI). This study aimed to explore the pattern of beverage intake among Kuwaiti high-school students. A questionnaire on knowledge, attitudes and practices concerning beverages and milk and dairy products intake was completed by 190 Kuwaiti students aged 16-18 years a...
Single crystals for two polymorphs of the ammonium carbamate self-derivative salt of prolinamide have been successfully obtained and characterized. Decarbonation of the carbamate salts was monitored by calorimetry, confirming stabilization of the reactive carbonated adducts in the solid state. Sublimation of the salts afforded crystals of prolinamide, leading to the first crystal structure of t...
The purpose of this paper is to describe educational efforts to increase dental students' knowledge concerning oral and systemic health effects of carbonated beverage (soda/pop) consumption. Multiple choice pre- and post-tests were developed and administered to seventy-three first-year dental students. An educational brochure was developed and distributed during a lecture on the effects of soda...
An abundance of trace metals in the environment is a characteristic property of only a few terrestrial ecosystems. Serpentinite contains high concentrations of trace metals especially Ni and Cr that are released by weathering. Other natural sources of trace metals are volcanic eruptions and the deposition of marine aerosols. In the soil some trace metals are strongly adsorbed to the mineral mat...
block heights and capillary continuity between matrix blocks play paramount role in the sensitivity analysis and therefore the history matching of cumulative oil production and production rate of carbonated fractured reservoirs. in this study, the influence of these parameters upon cumulative production and recovery factor of an iranian fractured reservoir were studied by the usage of a simulat...
The caffeine content of 10 energy drinks, 19 carbonated sodas, and 7 other beverages was determined. In addition, the variability of the caffeine content of Coca-Cola fountain soda was evaluated. Caffeine was isolated from the samples by liquid-liquid extraction and analyzed by gas chromatography with nitrogen-phosphorus detection. The caffeine concentration of the caffeinated energy drinks ran...
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