نتایج جستجو برای: constitutes the north
تعداد نتایج: 16080087 فیلتر نتایج به سال:
Alexis de Tocqueville, a French political scientist and historian who visited America in 1831, is quoted frequently on the distinctions he found between the New and Old Worlds. But some of his other comments highlighted similarities across civilizations: “The village or township is the only association which is so perfectly natural that, wherever a number of men are collected, it seems to const...
The methanolic extract of Flemingia macrophylla roots exhibited significant estrogenic activity in the transgenic plant assay system which was comparable to the activity of soybean extract. Utilizing estrogenic activity-guided fractionation, one new compound, fleminigin, together with 23 known compounds were isolated from F. macrophylla roots' methanolic extract. The structure of the new compou...
Experimental economists are leaving the reservation. They are recruiting subjects in the field rather than in the classroom, using field goods rather than induced valuations, and using field context rather than abstract terminology in instructions. We argue that there is something methodologically fundamental behind this trend. Field experiments differ from laboratory experiments in many ways. ...
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