Xem 1-8 trên 8 kết quả Deposit accumulation
  • As in a past decades, the world today continues to be at crossroads in terms of energy. Shortages and rising prices of fuel, accompanied by environmental damage are leading to a poor quality of life. Fossil fuel consumption is increasing, and our search for oil has led to ever deeper reserves, with its higher production costs. Rapid depletion of oil and gas are real issues affecting both current and future generations.

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  • The abundant metabolitemyo-inositol hexakisphosphate (InsP6) can form vesicular deposits with cations, a widespread phenomenon in plants also found in the cestode parasite, Echinococcus granulosus. In this organism, the deposits are exocytosed, accumulating in a host-exposed sheath of extracellular matrix termed the laminated layer.

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  • Basic Concepts of Algebra R.1 R.2 R.3 R.4 R.5 R.6 R.7 The Real-Number System Integer Exponents, Scientific Notation, and Order of Operations Addition, Subtraction, and Multiplication of Polynomials Factoring Rational Expressions Radical Notation and Rational Exponents The Basics of Equation Solving SUMMARY AND REVIEW TEST R A P P L I C A T I O N G ina wants to establish a college fund for her newborn daughter that will have accumulated $120,000 at the end of 18 yr.

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  • Under certain conditions, lichen floristic and community analyses can be used in conjunction with measured levels of ambient or depositional pollutants accumulated by lichens to detect effects of changing air quality on vegetation. This information can demonstrate whether air pollutants cause undesirable changes in species composition or presence/absence of lichen species within terrestrial plant communities. It is important that any alternative hypotheses (e.g.

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  • The EPA’s ecosystem protection programs encompass a wide range of approaches that address specific at-risk regional areas and larger categories of threatened systems, such as urban waters, estuaries, and wetlands. Locally generated pollution, combined with pollution carried by rivers and streams and through air deposition, can accumulate in these ecosystems and degrade them over time. The EPA and its federal partners along with states, tribes, municipalities, and private parties, will continue efforts to restore the integrity of the imperiled waters of the United States.

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  • Alzheimer’s disease (AD) is an age-related, progressive degenerative dis-order that is characterized by synapse and neuron loss in the brain and the accumulation of protein-containing deposits (referred to as ‘senile plaques’) and neurofibrillary tangles. Insoluble amyloid b-peptide (Ab) fibrillar aggregates found in extracellular plaques have long been thought to cause the neurodegenerative cascades of AD.

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  • Familial amyloidotic polyneuropathy (FAP) is an inherited autosomal dominant disease that is commonly caused by accumulation of deposits of transthyretin (TTR) amyloid around peripheral nerves. The only effective treatment for FAP is liver transplantation.

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  • A cholesterol-rich diet causes postprandial hyperlipaemia with an accumulation of chylomicrons. This accumulation leads to a redistribution of the very-low-density lipoproteins (VLDL), thereby determining the elimination of the coarsest particles, the residual chylomicrons, which promote the onset of atherogenesis [1]. For some years, cholesterol-rich food has been associated with the subsequent development of complications such as the formation of atheromatous plaque and lipid deposits at the ocular level.

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