نتایج جستجو برای: biological half

تعداد نتایج: 643486  

Journal: :Brain and cognition 2010
Feng Du Richard A Abrams

The present study examined the spatial distribution of involuntary attentional capture over the two visual hemi-fields. A new experiment, and an analysis of three previous experiments showed that distractors in the left visual field that matched a sought-for target in color produced a much larger capture effect than identical distractors in the right visual field, revealing a visual field asymm...

Journal: :Neuropsychologia 1999
M S MacLeod O H Turnbull

An important variant of the traditional line bisection task has involved a mechanical device invented by Bisiach and his colleagues (Bisiach et al. Perceptual and premotor factors of unilateral neglect. Neurology 1990;40:1278-81 [3]). This tool was devised to dissociate motor from perceptual factors in hemi-spatial neglect, by means of a mid-line indicator which moved 'congruently' or 'non-cong...

Adel Modhej, Anise Jorfi, Mojtaba Alavi Fazel

Fertilizer management plays an important role in obtaining satisfactory yields from maize. In addition, fertilizer management is essential for achieving sustainable agriculture and protecting the environment. This research was conducted by split plot experiment based on randomized complete block design with four replications. Main factor was integrated with chemical and biological fertilizers i...

Journal: :به نژادی گیاهان زراعی و باغی 0
قاسم اقلیما دانشجوی کارشناسی ارشد، گروه کشاورزی، پژوهشکده گیاهان و مواد اولیه دارویی، دانشگاه شهید بهشتی، تهران، ایران جواد هادیان دانشیار گروه کشاورزی، پژوهشکده گیاهان و مواد اولیه دارویی، دانشگاه شهید بهشتی، تهران، ایران علیرضا مطلبی آذر دانشیار گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه تبریز، تبریز، ایران

satureja rechingeri, belonging to the family lamiaceae, has been recently used in the pharmaceutical industry due to its high level of carvacrol in the essential oil. the domestication and breeding of suitable s. rechingeri variety has been started since few years ago in iran. the initial screening of natural populations, grown in the same environment, was performed and 58 talent clones were se...

2000
Nuno Costa Dias

A general dynamical system composed by two coupled sectors is considered. The initial time configuration of one of these sectors is described by a set of classical data while the other is described by standard quantum data. These dynamical systems will be named half quantum. The aim of this paper is to derive the dynamical evolution of a general half quantum system from its full quantum formula...

2005
G. H. Heravi H. Garshasbi J. Karimi Diba S. K. Asghari

odine-131 (131I) has been known as a radionuclide with potential adverse health effects following both occupational and environmental exposures (NCRP 1985, Zanzonico and Becker 2000, Astakhova et al. 1998). 131I has a physical half life of 8 days, biological half life of 80 days, conceptually an effective half life of 7.3 days. With respect to occupational exposures to 131I, there are two categ...

2009
Saad I. Sheikh Tanya Y. Berger-Wolf Ashfaq A. Khokhar Isabel C. Caballero Mary V. Ashley Wanpracha Chaovalitwongse Bhaskar DasGupta

While full sibling group reconstruction from microsatellite data is a well studied problem, reconstruction of half sibling groups is much less studied, theoretically challenging, and a computationally intense problem. In this paper, we present two different formulations of the half-sib reconstruction problem and prove their NP-hardness. We also present exact solutions for these formulations and...

Journal: :Cortex; a journal devoted to the study of the nervous system and behavior 2008
David Wilkinson Philip Ko William Milberg Regina McGlinchey

Patients with hemi-spatial neglect have trouble finding targets defined by a conjunction of visual features. The problem is widely believed to stem from a high-level deficit in attentional deployment, which in turn has led to disagreement over whether the detection of basic features is also disrupted. If one assumes that the detection of salient visual features can be based on the output of spa...

Journal: :The Journal of biological chemistry 1976
R R Fritz D S Hodgins C W Abell

Yeast phenylalanine ammonia-lyase (EC 4.3.1.5) catalyzes the deamination of L-phenylalanine to form trans-cinnamic acid and tyrosine to trans-coumaric acid. Maximal enzyme activity in Rhodotorula glutinis (2 units/g, wet weight, of yeast) was induced in late-log phase (12 to 14 hours) of growth in a culture medium containing 1.0% malt extract, 0.1% yeast extract, and 0.1% L-phenylalanine. A hig...

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