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Titlebook: Dynamics of Technological Change; Louis A. Girifalco Book 1991 Van Nostrand Reinhold 1991 development.dynamics.production.science and tech

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發(fā)表于 2025-3-23 13:03:00 | 只看該作者
https://doi.org/10.1007/978-1-349-12037-6sive amounts of fuels to transform massive amounts of materials into useful products, to transport large numbers of people and huge quantities of goods, and to maintain comfortable temperatures in living and work spaces. Extensive use of energy is a necessary condition for the wealth, variety, and mobility of an industrial society.
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發(fā)表于 2025-3-23 16:07:06 | 只看該作者
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發(fā)表于 2025-3-23 21:45:02 | 只看該作者
,El Teatro Espa?ol (Federico García Lorca),performance. The analysis of technological change requires that some carefully defined measures be constructed that will permit the comparison of the state of technology at different times. Here, two different kinds of such measures will be considered. The first refers to the actual performance capa
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發(fā)表于 2025-3-24 00:30:18 | 只看該作者
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發(fā)表于 2025-3-24 06:11:35 | 只看該作者
An Introduction to Computer Systems,e point where it accounted for 90 percent of steel production in the United States. The earlier open hearth process did not reach the 90 percent point until forty-three years after its first introduction and synthetic rubber took nearly sixty years. While many technologies take decades to achieve wi
16#
發(fā)表于 2025-3-24 08:08:12 | 只看該作者
https://doi.org/10.1007/978-1-349-12037-6sive amounts of fuels to transform massive amounts of materials into useful products, to transport large numbers of people and huge quantities of goods, and to maintain comfortable temperatures in living and work spaces. Extensive use of energy is a necessary condition for the wealth, variety, and m
17#
發(fā)表于 2025-3-24 14:22:38 | 只看該作者
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發(fā)表于 2025-3-24 18:17:47 | 只看該作者
Work Out Pure Mathematics A-Levellife expectancy, literacy rate, and education level are all much higher than in nonindustrial societies. The ease of communications, travel, and transport makes the population mobile and permits the widespread distribution of goods. Industrial societies devote a much smaller fraction of economic eff
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發(fā)表于 2025-3-24 20:29:10 | 只看該作者
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發(fā)表于 2025-3-25 03:03:51 | 只看該作者
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