نتایج جستجو برای: down change

تعداد نتایج: 786853  

2013
Kyoko Meguri Masaru Inoue Koji Narahara Takahiro Sato Ami Takata Nobuhiko Ohki Keiichi Ozono

In this study, we investigated the effects of GH treatment in children with Down syndrome who had been diagnosed with GH deficiency (GHD). A total of 20 subjects were investigated in this study. Fourteen Down syndrome children (5 boys and 9 girls) with short stature due to GHD were treated with GH at Okayama Red Cross General Hospital, and 6 Down syndrome children (4 boys and 2 girls) with shor...

2010
Angela Dikou

Top-down controls of complex foodwebs maintain the balance among the critical groups of corals, algae, and herbivores, thus allowing the persistence of corals reefs as three-dimensional, biogenic structures with high biodiversity, heterogeneity, resistance, resilience and connectivity, and the delivery of essential goods and services to societies. On contemporary reefs world-wide, however, top-...

The use of pumps linked in parallel or series in large scale pipe systems is usually inevitable, to meet the required head and discharge. Transient flow occurs following a pump failure in a pump group as a result of variations in the flow rate. This research is an investigation about waterhammer caused by one or more pump-switch off in a pump group when they are connected in parallel. The opera...

Journal: :Physical chemistry chemical physics : PCCP 2008
Minoru Otani Ikutaro Hamada Osamu Sugino Yoshitada Morikawa Yasuharu Okamoto Tamio Ikeshoji

Ab initio molecular dynamics simulations have been performed on the water/Pt interface. When the surface is neutral, water is found to form a contact layer directing its O atom toward the surface, i.e., O-down configuration. When the surface is negatively biased, the contact layer shows a significant structural change. The O-down configuration is converted mostly to the H-down configuration. As...

2016
Ou Wang Guanxiang Liang Tim A. McAllister Graham Plastow Kim Stanford Brent Selinger Le Luo Guan

Super-shedder cattle are a major disseminator of E. coli O157:H7 into the environment, and the terminal rectum has been proposed as the primary E. coli O157:H7 colonization site. This study aimed to identify host factors that are associated with the super-shedding process by comparing transcriptomic profiles in rectal tissue collected from 5 super-shedder cattle and 4 non-shedder cattle using R...

Journal: :Journal of experimental psychology. Human perception and performance 2010
Kirk N Olsen Catherine J Stevens Julien Tardieu

Three experiments investigate psychological, methodological, and domain-specific characteristics of loudness change in response to sounds that continuously increase in intensity (up-ramps), relative to sounds that decrease (down-ramps). Timbre (vowel, violin), layer (monotone, chord), and duration (1.8 s, 3.6 s) were manipulated in Experiment 1. Participants judged global loudness change betwee...

Journal: :Cerebral cortex 2002
R Weidner S Pollmann H J Müller D Y von Cramon

Target detection in visual singleton feature search is slowed when consecutive targets are defined in different visual dimensions. Behavioral data provide evidence that attentional weight needs to be shifted between dimension-specific processing modules. We found similar dimension-specific change effects in a conjunction search task, in which observers searched for an odd-one-out target defined...

Objective(s): Non-invasive treatment options for retinoblastoma (RB), the most common malignant eye tumor among children, are lacking. Epithelial growth factor receptor (EGFR) accelerates cell proliferation, survival, and invasion of many tumors including RB. However, RB treatment by targeting EGFR has not yet been researched. In the current study, we investigated the effect of EGFR down-regula...

Journal: :علوم گیاهان زراعی ایران 0
عبدالرحمن رسول نیا دانش آموخته کارشناسی ارشد پردیس کشاورزی و منابع طبیعی، دانشگاه تهران محمدرضا بی همتا استاد پردیس کشاورزی و منابع طبیعی، دانشگاه تهران سیدعلی پیغمبری پردیس کشاورزی و منابع طبیعی، دانشگاه تهران هوشنگ علیزاده استادیار پردیس کشاورزی و منابع طبیعی، دانشگاه تهران سهیلا تکلو دانش آموخته کارشناسی ارشد پردیس کشاورزی و منابع طبیعی، دانشگاه تهران مجاهد کمالی زاده دانشجوی دکتری، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران

drought and salinity stress are adverse environmental factors that affect crop growth and yield. abiotic stress cause some reaction in plants such as change in gene expression, cell metabolism, growth and yield. moreover, stress condition resulted in increase of reactive oxygen species and disturbe macromolecules such as proteins, fatty acids, nucleic acid and pigments. in order to evaluate sal...

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