نتایج جستجو برای: trifolium alexanderium
تعداد نتایج: 2371 فیلتر نتایج به سال:
Curiously, studies using the remember/know paradigm to measure recollective experience show that people often vividly remember events that never occurred, a phenomenon referred to as illusory recollection. Two experiments tested the hypothesis that false remember responses in the converging associates, or Deese/Roediger-McDermott (DRM) paradigm, reflect accurate memory for the study episode, ra...
با هدف افزایش عملکرد و بررسی کیفیت علوفه، 7 رقم شبدر سفید در قالب طرح بلوکهای کامل تصادفی با 3 تکرار در مراتع ییلاقی استان مازندران به مدت سه سال (4-1382) مورد ارزیابی قرار گرفت. در این تحقیق دوام سطح پوشش و عملکرد علوفه خشک ارقام بررسی شدند. صفات کیفی نمونهها شامل درصد مادهی خشک قابل هضم، درصد کربوهیدراتهای محلول در آب، درصد پروتئین خام، درصد دیواره سلولی (ndf)، درصد دیواره سلولی بدون همی...
This chapter examines technological change in Britain over the last 140 years. It analyzes the effects of patent laws and innovation prizes that were designed to promote technical progress. It explores the challenge associated with the changing organizational structure of innovation and the shift from independent invention to R&D activity taking place inside the boundaries of firms. And it also...
In an emerging area of memory research, it is becoming apparent that one particular type of false memory, called spontaneous false memory, follows a developmental trajectory that is the opposite of what is commonly assumed in false memory research - that is, spontaneous false memories are more likely to occur in adults than in children. The present study focused on developmental trends of diffe...
In order to combat the growing problems associated with biological invasions, many researchers have focused on identifying which communities are most vulnerable to invasion by exotic species. However, once established, invasive species can significantly change the composition of the communities that they invade. The first step to disentangling the direction of causality is to discern whether a ...
Alternative stable states have long been thought to exist in natural communities, but direct evidence for their presence and for the environmental switches that cause them has been scarce. Using a combination of greenhouse and field experiments, we investigated the environmental drivers associated with two distinctive herbaceous communities in coastal ecosystems in New Zealand. In a mosaic unre...
In order to examine the antioxidant properties of five different extracts of Trifolium pratense L. (Leguminosae) leaves, various assays which measure free radical scavenging ability were carried out: 1,1-diphenyl-2-picrylhydrazyl, hydroxyl, superoxide anion and nitric oxide radical scavenger capacity tests and lipid peroxidation assay. In all of the tests, only the H2O and (to some extent) the ...
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