نتایج جستجو برای: diurnal photosynthesis

تعداد نتایج: 33562  

Introduction: This study aimed to investigate the diurnal intraocular pressure fluctuations under dehydration conditions and the relationship between the intraocular pressure fluctuations and blood pressure. Methods: The intraocular pressures (IOP), body weights, as well as systolic and diastolic blood pressures (SBP, DBP) of 36 fasting healthy volunteers were recorded at 8:00 a.m. and 5:00 p.m...

Journal: :Journal of health and social behavior 2009
Marsha Mailick Seltzer David M Almeida Jan S Greenberg Jyoti Savla Robert S Stawski Jinkuk Hong Julie Lounds Taylor

Using daily telephone interviews, 82 midlife parents (mean age = 57.4) of children with disabilities (mean age = 29.9) were compared with a closely matched sample of unaffected parents (N = 82) to elucidate the daily experience of nonnormative parenting. In addition, salivary cortisol samples were obtained to examine whether parents of children with disabilities had dysregulated diurnal rhythms...

2016
Juhani E. Lehto Outi Aho Mari Eklund Marika Heinaro Sari Kettunen Aila Peltomäki Katja Ylä-Kotola Kaarina Öst Timo Partonen

PURPOSE Despite progress in research concerning adolescent and young adult sleep and circadian preferences, several aspects have remained unexamined. This study explored gender and diurnal rhythms in relation to several sleep-related factors: sleep duration, bedtime, wake-up time, tiredness, sleepiness, and optimal subjective sleep duration. METHODS Circadian preferences and sleep were invest...

2017
Wallace Wilhelm C. J. Nelson W. W. Wilhelm

The purpose of this study was to determine if genotype by irradiance interactions or genetic variation in diurnal trends of CO, exchange rate (CER) influenced the CERyield relationship in tall fescue (Festuca mundinucea Schreb.). Genotypes were selected in the field for high CER-high yield, high CER-low yield, low CER-high yield, and low CER-low yield. Responses of CER to photosynthetic photon ...

Journal: :nephro-urology monthly 0
mitra naseri pediatric nephrology department, dr sheikh children hospital, mashhad university of medical sciences, ir iran +98-5117269021; ext: 5, [email protected];[email protected]; pediatric nephrology department, dr sheikh children hospital, mashhad university of medical sciences, ir iran +98-5117269021; ext: 5, [email protected];[email protected]

background the prevalence of vesicoureteral reflux (vur) is higher in enuretic children than in non-enuretic children. recent studies have reported vur in 6–23% of children with enuresis. objectives to clarify the association of nocturnal enuresis with vesicoureteral reflux (vur) and to identify children who are at risk for vur. conclusions vur is uncommon in children with mne and in those with...

Journal: :Frontiers in Genetics 2023

Pineapple [ Ananas comosus (L.) Merr.] is the most economically important crop possessing crassulacean acid metabolism (CAM) photosynthesis which has a higher water use efficiency by control of nocturnal opening and diurnal closure stomata. To provide novel insights into diel regulatory landscape in pineapple leaves, we performed genome-wide mapping DNase I hypersensitive sites (DHSs) leaves at...

Journal: :The Journal of biological chemistry 1953
J G BUCHANAN V H LYNCH A A BENSON D F BRADLEY M CALVIN

Journal: :Biological reviews of the Cambridge Philosophical Society 1962
J S TURNER E G BRITTAIN

2015
Lothar Wondraczek Esa Tyystjärvi Jorge Méndez‐Ramos Frank A. Müller Qinyuan Zhang

Solar energy harvesting is largely limited by the spectral sensitivity of the employed energy conversion system, where usually large parts of the solar spectrum do not contribute to the harvesting scheme, and where, of the contributing fraction, the full potential of each photon is not efficiently used in the generation of electrical or chemical energy. Extrinsic sensitization through photolumi...

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