نتایج جستجو برای: many studies since 1977

تعداد نتایج: 2544890  

2014
Bill Ballantine

New Zealand pioneered marine reserves, areas in the sea protected from all direct human interference. The first reserve was proposed in 1965 and established in 1977. It has operated successfully ever since. Even one instance proves that such things are possible. All marine reserves in NZ were initially greeted by a range of objections, and widespread and often loud opposition, This is not surpr...

2006
Jordi Mur Petit Maciej Lewenstein Giancarlo C. Strinati

Journal: :European journal of mathematics 2023

We classify the orbits of nets conics under action projective linear group and we determine specializations these orbits, using geometric algebraic methods. study related questions, as parametrization planar cubics. show that Artinian algebras Hilbert function $$ H=(1,3,3,0)$$ determined by nets, can be smoothed—deformed to a direct sum fields; $$H=(1,r,2,0)$$ , pencils quadrics, also smoothed....

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1390

the main objective in sampling is to select a sample from a population in order to estimate some unknown population parameter, usually a total or a mean of some interesting variable. a simple way to take a sample of size n is to let all the possible samples have the same probability of being selected. this is called simple random sampling and then all units have the same probability of being ch...

2003
Phi Musgrove

Since the eradication of smallpox in the 197Os, no other disease has been eliminated from the world by vaccination. Advances in mass immunization campaigns using oral vaccine have successfully interrupted the transmission of wild poliomyelitis virus in many countries, however, and have sharply reduced its incidence in many others (1, 2). The benefits of polio immunization appear from some studi...

Journal: :Arab World English Journal for Translation & Literary Studies 2022

This paper examines the decolonizing methods used by Leslie Marmon Silko in her novel Ceremony (1977) to heal indigenous people from patriarchal traditions of white hegemony. study aims emphasize vulnerable responses Pueblo memories clan and highlight Silko’s sustain history lifestyle people. Therefore, can be situated historically culturally within memory-studies. To analyze contrasting behavi...

2002
Howard Hogan

It has been twenty five years since John Tukey published the preliminary limited edition of Exploratory Data Analysis. All the standard texts have been out for ten or more years: Tukey (1977), Mosteller and Tukey (1977), Mosteller, Hoaglin, and Tukey (1983, 1985). So how is it that these important statistical ideas are only now being used to improve the way we collect business statistics, and w...

Journal: :Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 1988

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