نتایج جستجو برای: relative humid

تعداد نتایج: 395017  

Journal: :Psychophysiology 2010
Emily S Kappenman Steven J Luck

To determine whether data quality is meaningfully reduced by high electrode impedance, EEG was recorded simultaneously from low- and high-impedance electrode sites during an oddball task. Low-frequency noise was found to be increased at high-impedance sites relative to low-impedance sites, especially when the recording environment was warm and humid. The increased noise at the high-impedance si...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2015
Caleb Everett Damián E Blasi Seán G Roberts

We summarize a number of findings in laryngology demonstrating that perturbations of phonation, including increased jitter and shimmer, are associated with desiccated ambient air. We predict that, given the relative imprecision of vocal fold vibration in desiccated versus humid contexts, arid and cold ecologies should be less amenable, when contrasted to warm and humid ecologies, to the develop...

Journal: :British journal of industrial medicine 1963
C H WYNDHAM

Day and night comfort votes were recorded from Caucasian residents at Weipa, a mission station in the hot humid tropics of North Queensland, Australia. The limit of day comfort for more than 50% of the men was 81 5°F. (27-5°C.) "normal" corrected effective temperature; the night limit was 78'00F. (25 5°C.). Day comfort limits correlated well with air conditions at which sweat was apparent: nigh...

2016
HUI-YING LUK AMY L. MCKENZIE ANTHONY A. DUPLANTY RONALD G. BUDNAR DANIELLE LEVITT ALEX FERNANDEZ ELAINE C. LEE LAWRENCE E. ARMSTRONG JAKOB L. VINGREN

The purpose of this observational study was to determine the circulating leukocyte subset response to completing the 2013 Hotter'N Hell Hundred recreational 164-km road cycle event in a hot and humid environmental condition. Twenty-eight men and four women were included in this study. Whole blood samples were obtained 1-2 hours before (PRE) and immediately after (POST) the event. Electronic siz...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2015
Chongzheng Na Yuanzhi Tang Haitao Wang Scot T Martin

Rhodochrosite (MnCO3) is a model mineral representing carbonate aerosol particles containing redox-active elements that can influence particle surface reconstruction in humid air, thereby affecting the heterogeneous transformation of important atmospheric constituents such as nitric oxides, sulfur dioxides, and organic acids. Using in situ atomic force microscopy, we show that the surface recon...

Journal: :Journal of dairy science 2003
J W West

The southeastern United States is characterized as humid subtropical and is subject to extended periods of high ambient temperature and relative humidity. Because the primary nonevaporative means of cooling for the cow (radiation, conduction, convection) become less effective with rising ambient temperature, the cow becomes increasingly reliant upon evaporative cooling in the form of sweating a...

2018
Anna-Lena Ljung Staffan Lundström

The evaporation of a sessile droplet is here investigated numerically with a design of experiment approach. Boundary conditions are chosen based on forced convection in humid air, i.e., mimicking the conditions inside a dishwasher. Computational fluid dynamic simulations of an axisymmetrical droplet placed on a heated plate show that relative humidity, initial contact angle, plate temperature, ...

2007
Evangelos D. Gonias Derrick M. Oosterhuis

Yield variability in cotton (Gossypium hirsutum L.) from year to year in different environments (geographical locations) is a major production problem for farmers (Oosterhuis, 00 ). Higher yields have been recorded in the drier environment of California, compared to the more humid environment of Arkansas. However, the effect of environmental factors, such as temperature, relative humidity, and ...

Journal: :The American journal of physiology 1998
Michael J Buono Jay H Heaney Katherine M Canine

The purpose of this study was to test the hypothesis that a reduction in resting rectal temperature (Tre) is partially responsible for the attenuation in the rise of core temperature during heat exposure following acclimation to humid heat. Nine male volunteers completed 7 days of acclimation, performing 2 h of exercise per day in a hot, humid environment (35°C, 75% relative humidity). Mean (±S...

2010
Pedro H. S. Brancalion Ana D. L. C. Novembre Ricardo R. Rodrigues Marcos Filho

†Background and Aims Mimetic seeds simulate the appearance of fleshy fruits and arilled seeds without producing nutritive tissues as a reward for seed dispersers. In this strategy of seed dispersal, seeds may remain attached to the mother plant for long periods after maturity, increasing their availability to naı̈ve seed dispersers. The hypothesis that seed coat impermeability in many tropical F...

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