نتایج جستجو برای: s condition factor
تعداد نتایج: 1770404 فیلتر نتایج به سال:
the present study describes the length-weight relationship (lwr), length-length relationship (llr) and condition factor of the wild population of the shrimp macrobrachium macrobrachion from the rivers of côte d’ivoire (west africa). samples were randomly collected from small-scale shrimp fisheries using bamboo traps. of the thirteen analyzed morphometrics characters, only the second pleura widt...
Introduction: The study using national data, assessed relationship between Parent’s educations with child’s Health in Iran and looking for the role of intermediary variables. Method: In this Ecological study, we collected national data on parental education as predictive variables, Children’s health as response variable and housing condition, Child’s benefit from health ...
چکیده فرسایش خاک یکی از مهمترین مسائل اقتصادی، اجتماعی و زیست محیطی جهان است. فرسایش خاک از شاخص های اصلی در ارزیابی سلامت اکوسیستم می باشد. طبق اطلاعات موجود، آسیا بیش از سایر قاره ها مشکل فرسایش دارد و در این میان ایران دارای فرسایش خاک بالایی است. در کشور ما به دلیل عدم وجود تعداد کافی ایستگاه های اندازه گیری و همچنین ناقص بودن آمار طولانی مدت آنها، برای تخمین فرسایش خاک مدل سازی هیدرولوژیک...
this study investigated the effects of planning on second-language written production with regard to task type. the participants were 75 iranian learners of english as a foreign language attending a private foreign language institution. they were asked to complete two different types of writing tasks (expository writing task and argumentative writing task) in different planned conditions (indiv...
Constructing S-boxes with low differential uniformity and high nonlinearity is of cardinal significance in cryptography. In the present paper, we show that numerous differentially 4-uniform permutations over F22k can be constructed by composing the inverse function and cycles over F22k . Two sufficient conditions are given, which ensure that the differential uniformity of the corresponding comp...
The complex measure condition was introduced by Itô (1965) as a sufficient condition on the potential term in a one-dimensional Schrödinger equation and/or corresponding linear diffusion equation to obtain a FeynmanKac path integral formula. In this paper we provide an alternative probabilistic derivation of this condition and extend it to include any other lower order terms, i.e. drift and for...
The S-adic conjecture postulates the existence of a condition C such that a sequence has linear complexity if and only if it is an S-adic sequence satisfying C for some finite set S of morphisms. We present an overview of the factor complexity of S-adic sequences and we give some examples that either illustrate some interesting properties, or that are counterexamples to what might seem to be a ...
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