منابع مشابه
Challenges to Soil Erosion Control Measures among Farmers in Anambra State, Nigeria: Implications for Extension Policy
The study investigated challenges to soil erosion control measures among farmers in Anambra State, Nigeria. Purposive, multistage and random sampling techniques were employed in selecting a sample size of two hundred and forty (240) respondents. Structured interview schedule was used for data collection. Frequency counts, percentage, mean scores and factor analysis were used for data analysis. ...
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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: Deutsches Aerzteblatt Online
سال: 2017
ISSN: 1866-0452
DOI: 10.3238/arztebl.2017.0562a