نتایج جستجو برای: season

تعداد نتایج: 56431  

Journal: :Tree physiology 2001
D Eamus L B Hutley A P O'Grady

Daily and seasonal fluxes of carbon dioxide and water vapor above a north Australian savanna were recorded over a complete dry season-wet season annual cycle using the eddy covariance technique. Wet season rates of photosynthesis and transpiration were larger than those measured in the dry season and were dominated by the presence of the grassy understory. As the dry season progressed and the g...

Journal: :Bulletin of environmental contamination and toxicology 2010
Solomon Omwoma Joseph O Lalah David M K Ongeri Maurice B Wanyonyi

Analysis of heavy metals in top soil samples from Nzoia sugarcane farms in Western Kenya found elevated levels of heavy metals in the soils with mean concentrations (mg kg⁻¹ dry weight) of 142.38, 59.12, 73.35, 116.27, 409.84 (dry season) and 144.22, 50.29, 72.14, 158.81, 368.83 (wet season) for Cr, Pb, Cu, Zn and Fe, respectively, compared with a control soil sample from an adjacent field wher...

2016
M. S. A. Khan

Estimation of equilibrium factor (F), equilibrium equivalent concentration (EEC), inhalation dose and its seasonal variation in indoor atmosphere of Hardoi District were carried out in sixty dwellings of 10 different villages. In the present study the average values of radon and thoron equilibrium factor was found to 0.26 and 0.06 respectively in summer season, 0.31 and 0.05 respectively in rai...

Journal: :international journal of advanced biological and biomedical research 0
tigist german wolde wondo genet agricultural research center, p. o. box 198 shashemane, ethiopia dejene taddesse banjaw wondo genet agricultural research center, p. o. box 198 shashemane, ethiopia

performance of chamomile (matricaria chamomilla l.) was evaluated on twelve transplanting dates that were arranged at 30 days interval; during 2013-2014 on experimental field of wondo genet agricultural research center; using rcbd design with three replications. transplanting time exerted a very highly significant (p<0.0001) influence on plant height, flower yield and essential oil yield; essen...

Journal: :Journal of animal science 1981
D D Lunstra R K Christenson

Causes of reproductive loss in ewes synchronized and mated during the anestrous season and during the normal breeding season were compared with those for natural cyclic ewes mated in season. Synchronization of ewes in season and out of season with progestogen: pregnant mare serum gonadotropin (PMSG) increased ovulation rate, but the percentage of ewes ovulating did not differ from that noted fo...

2017
Sun Young Lim Hyun Woo Gil In-Seok Park

The purpose of this study is to investigate the differences fatty acids and hormonal parameters in the spawning and non-spawning season between the diploid and induced triploid Far Eastern catfish, Silurus asotus. The measured triploids were produced by cold shock for 50 min at 4℃ in May 2014, the spawning season of diploid was in May, and the non-spawning season was designated in January. Estr...

Journal: :Ecology 2009
Amy T Sullivan Henry F Howe

The timing of herbivory can be an important factor in the strength and direction of plant response to herbivore damage. To determine the effect of vole herbivory timing within a growing season on tallgrass prairie forbs, we used individual plant enclosures to limit vole access to three species, Desmanthus illinoensis, Echinacea purpurea, and Heliopsis helianthoides, in an experimental restorati...

Kh Rostami A Abedi D Savadi Oskoyi

Bell’s palsy is a relatively common disease characterized by the sudden onset of unilateral facial paralysis. Using a centralized system that contains demographic data, the authors estimated rates, trends, and demographic risk of Bell’s palsy during a 2-year period. There were 140 incident cases of Bell’s palsy among patients referring to private clinics (a total of 6500 patients). The crude in...

2005
P. M. Allen R. D. Harmel J. Arnold B. Plant J. Yelderman K. King

The water budget in clay shale terrain is controlled by a complex interaction between the vertisol soil layer, the underlying fractured rock, land use, topography, and seasonal trends in rainfall and evapotranspiration. Rainfall, runoff, lateral flow, soil moisture, and groundwater levels were monitored over an annual recharge cycle. Four phases of soil–aquifer response were noted over the stud...

2018
Benjamin L. Brett Andrew W. Kuhn Aaron M. Yengo-Kahn Zachary Y. Kerr Christopher M. Bonfield Gary S. Solomon Scott L. Zuckerman

BACKGROUND Schedule-based and in-season factors (e.g., competition type) have been shown to be associated with symptom reporting patterns and injury severity in sport-related concussion (SRC). To determine if acute neurocognitive and symptom presentation following SRC differ by time point within a high school football season. METHODS Multicenter ambispective cohort of high school football pla...

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