Encyclopedia of Global Resources part 92 potx
... type of procedure is not sufficient: Tens of thousands of years are necessary to reduce the radioactivity in spent fuel to a nonthreat - ening level. 838 • Nuclear waste and its disposal Global Resources sidered ... manyschemes,waves riseand falleither in a series of open rooms at the bottom of a floating structure or in cylinders at the end of funnel-shaped Global Resource...
Ngày tải lên: 04/07/2014, 01:20
... metals because of their relatively high value per unitofweight. In contrast, owingtothe bulk of im - purities of copper ore, copper is considered an indus - 62 • Argentina Global Resources A soybean ... soybean farmer in the Pampas region of Argentina inspects his harvest. (Andres Stapff/Reuters/Landov) Global Resources Argentina • 61 Argentina: Resources at a Glance Officia...
Ngày tải lên: 04/07/2014, 01:20
... extraction of natural gas by drilling wells is the conventional means of retrieval but is expected to de - 162 • Canada Global Resources Global Resources Canada • 163 Canada: Resources at a Glance Official ... approximately 50 per- cent of the dollar value of Canadian fish exports. Of the remaining 50 percent of export dollar value, 15 per- cent is dominated by the expor...
Ngày tải lên: 04/07/2014, 01:20
Encyclopedia of Global Resources part 22 potx
... that included creation of a Department of Energy, deregulation of domestic crude oil prices, and promotion of conservation and alternative energy sources. An advocate of environ - mentalism, ... most processing of ceramics. Althoughsimple, thisdescrip- tion of ceramics was an accurate one until the time of WorldWar II. In the early 1940’s, the field of materials science, of...
Ngày tải lên: 04/07/2014, 01:20
Encyclopedia of Global Resources part 39 potx
... Migratory Bird Conservation Act of 1929 and the Fish and Wildlife Coordination Act of 1934. In 1939, the management of wildlife was brought under the control of the Department of the Interior as a natural ... consistent” with the primary purposes of the agencies, the habitats of native verte- brate species that the Department of the Interior de- clared in danger of extinctio...
Ngày tải lên: 04/07/2014, 01:20
Encyclopedia of Global Resources part 44 potx
... was appointed head of the Soil Conservation Service. This service, a part of the U.S. Department of Agricul - 378 • Environmental degradation, resource exploitation and Global Resources ... the problem of the domination of women and other groups in Western society. Ecofeminists believe that these problems would decline with a transforma - 382 • Environmental ethics Global R...
Ngày tải lên: 04/07/2014, 01:20
Encyclopedia of Global Resources part 45 potx
... and regulations of the past, repudiation of scientific findings on global warming in particular, and a final act of redemption—the designation of nearly 520,000 square kilometers of the Pacific ... OF COOPERATIVE ENVIRONMENTAL MANAGEMENT ENVIRONMENTAL APPEALS BOARD SCIENCE ADVISORY BOARD OFFICE OF SMALL AND DISADVANTAGED BUSINESS UTILIZATION OFFICE OF CIVIL RIGHTS OFFICE OF...
Ngày tải lên: 04/07/2014, 01:20
Encyclopedia of Global Resources part 46 potx
... roll- ing of large particles across the surface. Saltation is a bouncing of intermediate-sized particles and is re- sponsible for the largest amount of erosion by wind. Suspension occurs when small particles ... Law of the Sea, was a legal and political achieve- ment because it was the result of a consensus by all the world’s states. Background Part V of the United Nations Conve...
Ngày tải lên: 04/07/2014, 01:20
Encyclopedia of Global Resources part 54 potx
... petroleum fuels Global Resources the problem of vapor lock, which temporarily shuts down the engine. Oil companies adjust the vapor pressure of their gasolines depending on the region of thecountry,the ... contains 0.937 percent (9,370 parts per million) argon, 18 parts per million neon, 1.1 part per million krypton, and 0.08 6part permillionxenon. Thehigher concen- tration of...
Ngày tải lên: 04/07/2014, 01:20
Encyclopedia of Global Resources part 59 potx
... benefit the patient. Some of the side effects of these therapies include skin, liver, and kidney changes or damage. Approximately 20 percent of patients who Global Resources Gold • 529 Jewelry ... percent. U.S. End Uses of Gold acids and then heating in a vacuum to temperatures on the order of 1,500° Celsius. Uses of Graphite The most familiar use of graphite is in the manuf...
Ngày tải lên: 04/07/2014, 01:20