《环境化学》课程教学大纲 Environment Chemistry

《环境化学》实验课程教学大纲

Toxic metals Some metals are essential for the normal development and well-being of humans and other creatures They include Na, K, ca, Mg, cu, Cr, and Zn Other metals are toxic even when present in an organism at very low concentrations Examples: Antimony, Arsenic, Barium

General types of water pollutants Disease-causing agents(Pathogens) Oxygen-consuming agents Plant nutrients Toxic substances Heavy metals Pesticides Dissolved solids o acids

What is the pH of natural rain water? pH of natural rain water is determined by acidic and basic species that are

Water content of selected organism and foods of mass of mass Marine 97 Broccoli invertebrates

Ozone in the atmosphere STRATOSPHERE TROPOSPHERE In this region, ozone protects In this region, ozone can us from the sun's harmful damage lung tissue and uitraviolet radiation

Library of Congress Cataloging-in-Publication Data Manahan, Stanley E Environmental chemistry Stanley E. Manahan.-7th ed p. cm. Includes bibliographical references and index

The discovery of the ozone hole The British Antarctic Survey has been monitoring for many years, the total column ozone levels at its base at Halley bay in the antarctica Monitoring data indicate that column ozone levels have been decreasing since 1977. This observation was later confirmed by satellite

Greenhouse Glass the material lass transmits Glass absorbs and redirects the longer wavelengths of·nerg Remined longer-wavelength infrard ndation that greenhouse is a made of, 1)transmit \ greenhouse affect short-wavelength visible light, 2)