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Hierarchical structure in bird-habitat associations can arise from hierarchical structure in environmental variables and from the scale-dependent responses of birds to habitat. Hierarchical structure in environmental variables is expected to result from interactions between variables that differ in grain size (spatial resolution) and frequency, and should occur commonly. Birds cannot accurately...
Many Limit Theorems, Convergence Theorems and Characterization Theorems in Probability and Statistics, in particular those related to normal distribution , are based on the assumption of independence of two or more random variables. However, the full power of independence is not used in the proofs of these Theorems, since it is the distribution of summation of the random variables whic...
Introduction: The image quality as well as film speed is influenced by the film processing conditions. Different combinations of films and processing methods affect the diagnostic accu-racy. Temperature and developer exhaustion result in different image quality. The purpose of this study was to evaluate the influence of film type and processing conditions on caries detec-tion. Material a...
This paper employs lexical analysis tools, quantitative processing methods, and natural language procedures to analyze samples identify items that support automatic topic detection in processing. discusses how keyword extraction, a technique from corpus linguistics, can be employed obtaining features improve classification; particular, this research is concerned with extracting keywords obtaine...
the issue of curriculum and syllabus evaluation and revision has been in center of attention right from when curriculum came into attention of educational institutions. thus everywhere in the world in educational institutions curricula and syllabi are evaluated and revised based on the goals, the needs, existing content, etc.. in iran any curriculum is designed in a committee of specialists and...
a survey was conducted to correlate the out come in first pregnancies of different age groups attending a selected teaching hospital in kerman for delivery during 1993. a total of 390 primigravida women took part in this study. 150 in each age group of below 20 and 20-29 years and 90 women in the age group of 30 or above. for data collection a check list and questionnaire consisting of two ...
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