نتایج جستجو برای: نرمافزار fragstats 42

تعداد نتایج: 110640  

Journal: :Nutrition and healthy aging 2021

BACKGROUND: Cocoa, a significant contributor of polyphenols to the western diet has been shown be effective against Aβ induced toxicity in vitro. However, effects long-term cocoa supplementation on behavioural deficits, particularly short-term memory loss observed human AD are not well defined. OBJECTIVE: This study characterized phenotype pan-neuronal expressing C. elegans strain and investiga...

1995
Andrew M. Odlyzko

Traditional printed journals are a familiar and comfortable aspect of scholarly work. They have been the primary means of communicating research results, and as such have performed an invaluable service. However, they are an awkward artifact, although a highly developed one, of the print technology that was the only means available over the last few centuries for large-scale communication. The ...

2010
Tanel Jalakas Andrei Blinov Heigo Mõlder Tõnu Lehtla

Abstract—The main topic of this paper are the EMI reduction problems in high voltage power converters with 6.5 kV IGBTs. The generation process of electromagnetic interference is briefly analyzed, some EMI reduction methods are introduced. Theoretical analysis, calculation and experimental results of choosing the snubber circuit for minimization of parasitic ringing are described. The effect of...

2009
Fabrizio Macagno Douglas Walton

Argument from analogy is a common and formidable form of reasoning in law and in everyday conversation. Although there is substantial literature on the subject, according to a recent survey ( Juthe 2005) there is little fundamental agreement on what form the argument should take, or on how it should be evaluated. Th e lack of conformity, no doubt, stems from the complexity and multiplicity of f...

ژورنال: پژوهشنامه مالیات 2006
الوندکوهی, ت, توکل, محمد, عرب مازار, علی اکبر, همدانی , م.ت, چکاد, برزو,

فهرست مطالب:1- سیاست های ناپدار مالیاتی2- بررسی بین المللی در مقررات راجع به وکالت مالیاتی3- مالیات برارزش افزوده -یک قانون آزمایشی4- مالیات و بازرگانی الکترونیک5- تاریخ مالیات- انگلستان دوران فئودالیزم6- نکات چند در ارتباط با تبصره 2 ماده 54 قانون مالیاتهای مستقیم7- اقدام مالیاتی مغولستان در رابطه با افزایش بهای طلا و مس

Journal: :تحقیقات آب و خاک ایران 0
آرش کرمی کارشناسی ارشد، دانشگاه تهران قوام الدین زاهدی دانشیار، دانشگاه تهران جهانگیر فقهی دانشیار، دانشگاه تهران

some soil physical and chemical characteristics were analyzed in order to reveal the relationship between forest soils and regeneration patches. gorazbon district of kheyrud was selected as a case study for the research area. all regeneration patches were recorded using gps device. to assess the spatial structure and to quantify the metrics of regeneration patches, analyzing of landscape metric...

Journal: :محیط زیست طبیعی 0
آرش کرمی کارشناس ارشد رشتۀ جنگلداری و اقتصادجنگل دانشکدۀ منابع طبیعی، دانشگاه تهرا جهانگیر فقهی دانشیار گروه جنگلداری و اقتصاد جنگل دانشکدۀ منابع طبیعی، دانشگاه تهران محمدرضا مروی مهاجر استادگروه جنگلداری و اقتصاد جنگل دانشکدۀ منابع طبیعی، دانشگاه تهران

without doubt is one important aspects of sustainable forest management the continuing forest regeneration. identify and determine is effective dispersal and distribution pattern of regeneration patches in various types of forest and its evolution, in maintaining biodiversity in natural ecosystems. purpose was chosen of gorazbon district kheyrod forest for study, all patches regeneration were l...

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