منابع مشابه
on the teacher-generated v.s. leaner-generated noticing-the-gap activities in language classes
abstract the purpose of this study is twofold: on the one hand, it is intended to see what kind of noticing-the –gap activity (teacher generated vs. learner generated) is more efficient in teaching l2 grammar in classroom language learning. on the other hand, it is an attempt to determine which approach of the noticing-the-gap- activity is more effective in the long- term retention of grammar...
Nuttall's Travels into the Old Northwest
The importance of the book extends beyond informing Western scientists of the activities of Russian scientists. For instance, it is abundantly clear, although Soviet Science does not say so in as many words, that as long as Lysenkoism persists in Russia, the economic and consequently the military potential of the U.S.S.R. will be lessened due to the deleterious effect of Lysenkoism on agricultu...
متن کاملSpotted owls and old growth logging in the pacific northwest.
Northern Spotted Owls, Strix occidentalis caurina, require large tracts of old-growth conifer forest to survive and reproduce. Much of this forest has been or is being cut by commercial logging operations, with uncertain consequences for the owls. In this paper I present simulation models of owl population change over the next 100 years, as summing a variety of scenarios for habitat destruction...
متن کاملHistorical Magic in Old Quantum Theory
Two successes of old quantum theory are particularly notable: Bohr’s prediction of the spectral lines of ionised helium, and Sommerfeld’s prediction of the fine-structure of the hydrogen spectral lines. Many scientific realists would like to be able to explain these successes in terms of the truth or approximate truth of the assumptions which fuelled the relevant derivations. In this paper I ar...
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ژورنال
عنوان ژورنال: The Mississippi Valley Historical Review
سال: 1919
ISSN: 0161-391X
DOI: 10.2307/1886653