Energy A Beginner’s Guide Part 4 potx
... animate to inanimate prime movers (and from biomass to fossil fuels) is yet to be completed in large parts of Asia and most of sub-Saharan Africa, where human and animal muscle (and wood and charcoal) ... (for chasing deer or antelopes) among the Paiute, Navajo, Goshute, Papago, Tarahumara, and Seri Indian tribes in the North American southwest and northern Mexico, while the Kalahari Basarwa...
Ngày tải lên: 09/08/2014, 11:20
... rising water vapor, a hand lifted in a gesture, a soaring bird, or an ascending rocket. Water stored behind a dam in order to fall on turbine blades and generate electricity is a practical example ... tasks. Kinetic energy is associated with all moving masses, be they heavy, tank-penetrating shells made of depleted uranium or wispy clouds ascending above a tropical rainforest. I...
Ngày tải lên: 09/08/2014, 11:20
... This means that the incoming shortwave and the outgoing longwave streams of energy have a small overlap. Three major path- ways maintain the Earth’s radiation balance: a small amount of energy ... virtually identical in Jakarta (Indonesia’s capital, located at 6° S), and Edmonton (Alberta’s capital, nearly 55° N). These realities have major implica- tions for any future large-scale at...
Ngày tải lên: 09/08/2014, 11:20
Energy A Beginner’s Guide Part 3 pptx
... virtually immobile Australian and Eurasian plates. energy: a beginner’s guide 34 North American plate Caribbean plate South American plate Cocos plate Pacific plate Antarctic plate Philippine plate Australian plate Indian plate Eurasian ... counterparts (typhoons) originate above very warm Pacific waters near the Mariannas, move westward and repeatedly affect large parts of Southeast A...
Ngày tải lên: 09/08/2014, 11:20
Energy A Beginner’s Guide Part 5 pot
... transformed international trade into a mass-scale and truly global affair. Finally, advances in electronics have multiplied the availability of information to such an extent that any owner of an ... breeds are much heavier than oxen, and hence more powerful, and they also have greater endurance. But what may not be immediately apparent is that their fronts are heavier than their rears (by...
Ngày tải lên: 09/08/2014, 11:20
Energy A Beginner’s Guide Part 6 pot
... early 1880s, and in Japan and Russia wood dominated until after World War I. Coal fueled the transition of traditional artisanal economies to modern mass manufacturing and made steam engines the ... North Carolina. Aeroengines and airplanes developed far more rapidly than cars: the English Channel was crossed in 1909 and by 19 14 plans were in place to cross the Atlantic via Iceland. War in...
Ngày tải lên: 09/08/2014, 11:20
Energy A Beginner’s Guide Part 7 pptx
... year of systematic measurements at two American observatories, Mauna Loa in Hawaii and the South Pole (Figure 24) . In 20 04 the Mauna Loa readings, taken as the standard indicator of the planet’s ... deficit and imports natural gas from Canada and liquefied natural gas from overseas. Natural gas now provides nearly a quarter of the world’s primary commercial energy. The best available acc...
Ngày tải lên: 09/08/2014, 11:20
Energy A Beginner’s Guide Part 8 pps
... essential dietary amino acids. As animal proteins became more affordable, traditional legume intakes tumbled to around 1 kg in Europe and below 3 kg annually in North America and Japan. Among the ... (peanut, rapeseed, and corn) and mono- unsaturated (olive) varieties, and the less desirable saturated (coconut and palm) kinds—than did traditional intakes. Meat, animal fats, fish, eggs, and dai...
Ngày tải lên: 09/08/2014, 11:20
Energy A Beginner’s Guide Part 9 pot
... take place between Venezuela and Brazil, Paraguay and Brazil, and Mozambique and South Africa. Most European countries participate in a complex trade in electricity, taking advantage of seasonally ... East, Southeast Asia, and Alaska), and the US (mainly from Algeria and Trinidad). South Korea and Taiwan are the other major Asian importers, soon to be joined by China. In comparison to lar...
Ngày tải lên: 09/08/2014, 11:20
Energy A Beginner’s Guide Part 10 ppt
... 67 machines 80 4 mammoth 64 5 matter particulate 120–1 Maybach, W. 1 04 Mayer, J. R. 3 4 meat 57, 63, 67–8, 132 mechanization 80 4 of coal mining 99 metabolism 7, 17–18, 24, 44 , 58–61 basal 17–18, ... 29–30 ATP (adenosine triphosphate) 24, 39 40 , 44 autotrophs 24, 50 bacteria 24 5, 44 , 50–51 batteries 21, 172 Benz, K. 1 04 biomass 9–10, 42 4, 50, 72–5, 157–8, 1 64 6 (see also cro...
Ngày tải lên: 09/08/2014, 11:20