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2006

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Articles 931 - 935 of 935

Full-Text Articles in Environmental Sciences

Incorporating Remote Sensing Information In Modeling House Values: A Regression Tree Approach, Danlin Yu, Changshan Wu Jan 2006

Incorporating Remote Sensing Information In Modeling House Values: A Regression Tree Approach, Danlin Yu, Changshan Wu

Department of Earth and Environmental Studies Faculty Scholarship and Creative Works

This paper explores the possibility of incorporating remote sensing information in modeling house values in the City of Milwaukee, Wisconsin, U.S.A. In particular, a Landsat ETM+ image was utilized to derive environmental characteristics, including the fractions of vegetation, impervious surface, and soil, with a linear spectral mixture analysis approach. These environmental characteristics, together with house structural attributes, were integrated to house value models. Two modeling techniques, a global OLS regression and a regression tree approach, were employed to build the relationship between house values and house structural and environmental characteristics. Analysis of results indicates that environmental characteristics generated from remote …


Development Of Electroanalytical Methods For The Determination Of Sialic Acid As A Biomarker For Cancer, Khawla Ali Rashid Al-Tayyari Jan 2006

Development Of Electroanalytical Methods For The Determination Of Sialic Acid As A Biomarker For Cancer, Khawla Ali Rashid Al-Tayyari

Theses

Sialic acid (SA) is a general term for a family composed of 43 derivatives of neuraminic acid. Whereas N-acetylneuraminic acid (NANA) is the most commonly occurring sialic acid in human. There has been a great interest in the determination of SA in humans because variations in SA level was linked to different medical conditions and diseases. In particular, serum SA are elevated in several types of cancers. SA also exists in Erythropoietin (EPO), a hormone, which induces the production of red blood cells and hence used in the treatment of anemia.

Although of the great physiological significance of SA …


A Study Of Factors Influencing The Occurrence Of Algae Bloom (Hab) Along The Abu Dhabi Coast, Uae., Buthaina Salem Saeed Al Qubaisi Jan 2006

A Study Of Factors Influencing The Occurrence Of Algae Bloom (Hab) Along The Abu Dhabi Coast, Uae., Buthaina Salem Saeed Al Qubaisi

Theses

During last few years, the frequency of Harmful Algal Bloom (HAB) has increased worldwide. The occurrence of HAB in the Gulf region has only recently been recorded in the United Arab Emirates (UAE). Specifically, these occurrences have not been thoroughly investigated. This phenomena, was found to be associated with the increase in nutrient load, depletion of oxygen and a significant decrease in fish populations that is caused by a bloom of a certain phytoplankton species, results in economic and social problems. Therefore, the Environment Agency-Abu Dhabi (EAD) has decided to conduct a study on different aspects of this phenomenon of …


Effects Of Medicinal Plants On Lead Induced Toxicity Of Biotransformation And Redox Cycling Enzymes, Yusra Saif Khalfan Al Dhaheri Jan 2006

Effects Of Medicinal Plants On Lead Induced Toxicity Of Biotransformation And Redox Cycling Enzymes, Yusra Saif Khalfan Al Dhaheri

Theses

All organisms including humans are constantly and unavoidably exposed to foreign chemicals (xenobiotics), which include both manufactured and natural molecules such as pollutants and plant metabolites. One such alarming pollutant is lead as it is constantly produced from automobiles exhaust products and food containers. It has been documented that lead, as the major heavy metal pollutant in the air, has notable effects on nervous systems and efficiency of several enzymes.

There are some natural products such as medicinal plants that might have antagonistic effects against such pollutants. Several medicinal plants are used as traditional remedies for many ailments without knowing …


Activist Training In The Academy: Developing A Master's Program In Environmental Advocacy And Organizing At Antioch New England Graduate School, Steve Chase Jan 2006

Activist Training In The Academy: Developing A Master's Program In Environmental Advocacy And Organizing At Antioch New England Graduate School, Steve Chase

Antioch University Dissertations & Theses

This curriculum action research study begins by raising the question of whether environmental studies programs within higher education should launch activist training programs for public interest advocates and grassroots organizers working for nonprofit organizations focused on environmental protection, corporate accountability, and social justice. Answering that question in the affirmative, the study then focuses on the theoretical issues underlying the creation of activist training programs within the academy, specifically within environmental studies programs, and reports on a case study of the successful development of a master’s program in Environmental Advocacy and Organizing. The first section on theoretical issues focuses first on …