Components of change in migration and destination-propensity rates for metropolitan and nonmetropolitan areas: 1935–1980
نویسندگان
چکیده
منابع مشابه
D. A Comparison of Occupational Employment and Wages in Metropolitan Areas and Nonmetropolitan Areas
Less than 20 percent of all people work in nonmetropolitan areas in the United States, and their average hourly wage is over $3 less than that of people in metropolitan areas. However, by occupation, the concentration of workers and their wages in nonmetropolitan areas vary considerably from the national averages. Overall average salaries are higher in metropolitan areas than in nonmetropolitan...
متن کاملeffect of seed priming and irrigation regimes on yield,yield components and quality of safflowers cultivars
این مطالعه در سال 1386-87 در آزمایشگاه و مزرعه پژوهشی دانشگاه صنعتی اصفهان به منظور تعیین مناسب ترین تیمار بذری و ارزیابی اثر پرایمینگ بر روی سه رقم گلرنگ تحت سه رژیم آبیاری انجام گرفت. برخی از مطالعات اثرات سودمند پرایمینگ بذر را بر روی گیاهان مختلف بررسی کرده اند اما در حال حاضر اطلاعات کمی در مورد خصوصیات مربوط به جوانه زنی، مراحل نموی، عملکرد و خصوصیات کمی و کیفی بذور تیمار شده ژنوتیپ های م...
simulation and experimental studies for prediction mineral scale formation in oil field during mixing of injection and formation water
abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...
Leading Causes of Death in Nonmetropolitan and Metropolitan Areas- United States, 1999-2014.
PROBLEM/CONDITION Higher rates of death in nonmetropolitan areas (often referred to as rural areas) compared with metropolitan areas have been described but not systematically assessed. PERIOD COVERED 1999-2014 DESCRIPTION OF SYSTEM: Mortality data for U.S. residents from the National Vital Statistics System were used to calculate age-adjusted death rates and potentially excess deaths for non...
متن کاملdevelopment and implementation of an optimized control strategy for induction machine in an electric vehicle
in the area of automotive engineering there is a tendency to more electrification of power train. in this work control of an induction machine for the application of electric vehicle is investigated. through the changing operating point of the machine, adapting the rotor magnetization current seems to be useful to increase the machines efficiency. in the literature there are many approaches wh...
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ژورنال
عنوان ژورنال: Demography
سال: 1988
ISSN: 0070-3370,1533-7790
DOI: 10.2307/2061482