نتایج جستجو برای: lunar cycle
تعداد نتایج: 280539 فیلتر نتایج به سال:
The global distribution of surficial hydroxyl on the Moon is hypothesized to be derived from implantation solar wind protons. As traverses geomagnetic tail, it generally shielded wind; therefore, concentration hydrogen expected decrease during full Moon. A Monte Carlo approach used model diffusion implanted atoms in regolith as they form metastable bonds with O atoms, and subsequent degassing H...
The goal of this study was to simulate the hydrodynamics induced by con-current wind and tide loading in the southern part of the Persian Gulf. The model was calibrated with a 28 day lunar cycle, in which both neap and spring tide were modeled. The model boundaries were forced using tidal water levels obtained from the United Hydrographic Tide Tables. Wind data extracted from PERGOS database wa...
XI. On the true measure of a lunar cycle, as compared with the lunar tables in the Nautical Almanack
The aim of the present investigation was to extend a previous study, showing a correlation of the variations of hemolymph carbohydrates with synodic lunar-like cycle and its circaseptan harmonics to worker honeybee hemolymph lipids. Hemolymph lipid concentrations of emerging worker imagos were analyzed in terms of one ideal synodic lunar cycle and processed by the cosinor method testing the nul...
Water uptake of seeds of Phaseolus vulgaris L. cv Limburg was monitored in a controlled atmosphere every day at solar noon for a period of 2 years. The imbibition rate, determined as the mean of five replicas, was related to the lunar cycle, maximal water uptake occurring between the new phases of the cycle. The monthly mean value of imbibition rate, calculated from the daily measurements, disp...
Lutzomyia intermedia (Lutz & Neiva, 1912) and L. whitmani (Antunes & Coutinho, 1939) (Diptera: Psychodidae: Phlebotominae), two important vectors of American cutaneous leishmaniasis in Brazil, occur in sympatry in the locality of Posse county, Petropolis municipality, state of Rio de Janeiro, Brazil. We investigated the influence of the lunar cycle on the frequency of specimens of the two speci...
Introduction: Before establishing a human outpost on the Moon, numerous problems associated with lunar dust must be addressed and mitigated [1, 2]. The deleterious nature of lunar dusts was experienced during all Apollo missions. Lunar dusts (brought in on dirty spacesuits and boots) contaminated the atmosphere in the lunar module and irritated the eyes, sinuses, and throats of the astronauts [...
The applicability of a nightlight lift-net for sampling ichthyoplankton assemblages was evaluated in inshore habitats off southwestern Puerto Rico. The effects of lunar periodicity, habitat, light duration, and gear type (nightlight vs. plankton tow) were investigated. Overall, 36 piscine taxa were collected with the nightlight lift-net from inshore habitats (i.e. coral reef, mangroves, seagras...
Total compressibility in a fractured reservoir is estimated using the pressure response due to gravitational potential variations. Both the lunar and the solar gravitational potentials are fully accounted for by inclusion of longer-period components. The semidiurnal and diurnal pressure data show substantial long-term variations. The gravitational potential also contains the same variation tren...
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