نتایج جستجو برای: under controlled temperature day 25 2

تعداد نتایج: 4284748  

Journal: :Journal of animal science 2011
M J Cooper-Prado N M Long E C Wright C L Goad R P Wettemann

Spring-calving Angus cows (n = 30) were used to evaluate changes in ruminal temperature (RuT) related to parturition and estrus. Cows were synchronized and artificially inseminated with semen from a single sire. Temperature boluses were placed in the rumen at 7.0 ± 0.2 mo of gestation. Boluses were programmed to transmit RuT every 15 min. Cows (BW = 623 ± 44 kg, BCS = 4.9 ± 0.4) calved during 3...

Journal: :Journal of physics 2022

Abstract This paper analyzes the power smoothing of grid-connected photovoltaic (PV) systems under fast irradiance changes. The analyzed converter is composed a triple active bridge series-resonant (TABSR) DC-DC cascaded with voltage source inverter (VSI). Two controlled variables are considered: battery current and PV voltage. TABSR modeled as sources for ports. ramp rate (RR) control algorith...

Journal: :American journal of botany 2012
Heather R Whittington Laura Deede Jennifer S Powers

PREMISE OF THE STUDY Because legumes can add nitrogen (N) to ecosystems through symbiotic fixation, they play important roles in many plant communities, such as prairies and grasslands. However, very little research has examined the effect of projected climate change on legume growth and function. Our goal was to study the effects of temperature on growth, nodulation, and N chemistry of prairie...

2017

World Malaria Day is commemorated each year on April 25, the date in 2000 when leaders of 44 African nations met in Abuja, Nigeria, and committed their countries to reducing the number of malaria-related deaths. Approximately 90% of all malaria deaths occur in Africa (1). During the last 15 years, donors have collectively supported the procurement and distribution of billions of insecticide-tre...

Journal: :Journal of Forestry Research 2021

Abstract Elucidating the regulatory mechanisms of environmental factors on seed dormancy and germination will provide guidance for tree regeneration. Toward understanding coupled effect light temperature release Pinus koraiensis seeds, we set up three conditions (L200: 200 μmol m −2 s −1 , L20: 20 L0: 0 μ ) four storage temperatures [T-5: − 5 °C (50 days), T5: days) + T25: °C(50 25 T15: 15 days...

A.R. Sepaskhah, M.R. Abbasi

Due to increasing water and growing demand for food a more efficient water use system is needed for agriculture. This is more evidence for rice production with a higher water use for economical production. A large cultivar×water regime interaction exists for grain yield in rice. Therefore, information is required to adopt new rice cultivars with high yield potential under water-saving condition...

2014
C. Sweetman V. O. Sadras R. D. Hancock K. L. Soole C. M. Ford

Berries of the cultivated grapevine Vitis vinifera are notably responsive to temperature, which can influence fruit quality and hence the future compatibility of varieties with their current growing regions. Organic acids represent a key component of fruit organoleptic quality and their content is significantly influenced by temperature. The objectives of this study were to (i) manipulate therm...

2007
Shin-Ichiro Tachibana

Lucilia sericata shows a facultative diapause in the third, and final larval, instar after the cessation of feeding. The effects of photoperiod and temperature on the induction and duration of diapause were examined in parental (G0) and current (G1) generations. Insects of the G0 generation were reared under four combinations of conditions, involving two photoperiods, LD 16:8 and LD 12:12, and ...

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