نتایج جستجو برای: night variation
تعداد نتایج: 328528 فیلتر نتایج به سال:
discussion transthoracic echocardiography disclosed massive pericardial effusion, respiratory variation in mitral and tricuspid inflow e velocity, increased diastolic flow reversal with expiration in the hepatic vein, septum deviation in inspiration toward the left ventricle (lv), preserved lv function, and inferior vena caval (ivc) dilation without any collapse in inspiration. chest computed t...
This study aims to investigate the effect of fasting time on measuring blood glucose levels in mice. Fasting blood glucose levels were analyzed after 12 h daytime fasting or 12 h night fasting. The results from four mouse models demonstrate that the variation of fasting blood glucose in daytime fasting was smaller than fasting overnight. Our results demonstrate that conducting daytime-fasting v...
Thirty-four children, aged between three and nine years, presenting with nocturnal cough, were studied on successive nights using an automatic voice activated tape recorder system. Children with a family history of atopy coughed significantly more than children without such a family history. A wide variation in cough frequency was found both between and within subjects. No effects of treatment ...
As any jet-setter knows, it takes time to adapt to the shifted day-night cycle of a foreign time zone. We have an internal circadian clock that times many physiological and behavioral events on a 24-hour cycle, according to day length. The clock can also reset itself, so we can cope with the seasonal variation in day light hours and the trappings of 20th century living such as shift work and ai...
in order to evaluate the different photoperiod and temperature sensitive pre-flowering phases in two cumin landraces a raciprocal transfer experiment from photoperiod 8 h to 16 h and vice versa under two different day/ night temperatures 20/10 and 30/20 ˚c was conducted. two model including ellis and adams were used to analyse the data and to quantify the duration of different developmental pha...
We report on the measurement of the 7.5-14.7 micron spectrum for the tran-siting extrasolar giant planet HD 189733b using the Infrared Spectrograph on the Spitzer Space Telescope. Though the observations comprise only 12 hours of telescope time, the continuum is well measured and has a flux ranging from 0.6 mJy to 1.8 mJy over the wavelength range, or 0.49 ± 0.02% of the flux of the parent star...
Australian Research Council Centre of Excellence in Plant Energy Biology, University of Western 12 Australia, Perth Australia 6009 13 Australian Research Council Centre of Excellence in Plant Energy Biology, The Australian National, 14 Canberra, Australia 0200 15 16 One Sentence Summary: 17 Mature Arabidopsis leaves display substantial variation in night-time respiration rates that is 18 metabo...
Australian Research Council Centre of Excellence in Plant Energy Biology, University of Western 12 Australia, Perth Australia 6009 13 Australian Research Council Centre of Excellence in Plant Energy Biology, The Australian National, 14 Canberra, Australia 0200 15 16 One Sentence Summary: 17 Mature Arabidopsis leaves display substantial variation in night-time respiration rates that is 18 metabo...
[1] Methyl bromide (CH3Br) and methyl chloride (CH3Cl) play important roles in stratospheric ozone depletion, but their atmospheric budgets have large uncertainties. The analysis of stable isotope composition of methyl halides may provide useful independent information for further constraining their budgets. Here we report the first measurements of CH3Br and CH3Cl stable carbon isotope ratios e...
BACKGROUND The relationship between breast cancer and circadian rhythm variation has been extensively studied. Increased breast tumorigenesis has been reported in melatonin-suppressed experimental models and in observational studies. OBJECTIVES Circulating Tumor Cells (CTC) circadian- rhythm may optimize the timing of therapies. This is a prospective experimental study to ascertain the day-ti...
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