نتایج جستجو برای: control measures

تعداد نتایج: 1621812  

Journal: :Journal of the Air Pollution Control Association 1960

Journal: :Memórias do Instituto Oswaldo Cruz 1992

Eze S.O Mbah E.N

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. ...

Rock burst is the most attractive and hot research area in geomechanics, mining, and civil engineering due to the increasing depth of mines and construction of deep underground structures. It has also been a severe problem in ground control measures in the last few decades. Many studies have been done by different researchers in order to minimize the hazards of rock burst and to provide a safe ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده برق و کامپیوتر 1391

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی 1393

this exploratory study aimed to investigate a possible relationship between learners’ beliefs about language learning and one of their personality traits; that is,locus of control (loc). both variables, beliefs and locus of control, are assumed to influence the language learning process. the internal control index (ici) and the beliefs about language learning inventory (balli) were administered...

Journal: :international journal of agricultural science, research and technology in extension and education systems 2013
eze s.o mbah e.n

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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