Results 1 to 10 of about 453,042 (281)
The dragon water clock, a clock from the 12th century AD
آموزش مهندسی ایران, 2012 Of the most outstanding master pieces of science and technology of Iran from old ages to the present are the water clocks by Abol ezz-Ibn Al-Jazzari. He lived in the 11th century AD. and his remaining works are proofs of his high levels of capability in
Yosef Yassi
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Hole Diameter and Sinking Time of Water Clocks
International Scholastic Journal of Science, 2019 Water clocks measure time by controlling the flow of water into a container. Ancient Persians used the sinking time of Fenjaans, bowls with holes in the center, as a metric for time.
Brian Changkwon Yoon
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Sundial-water clock of the Bronze Age (Northern Black Sea Region) [PDF]
Archaeoastronomy and Ancient Technologies, 2021 This article presents the results of a study of signs on a Bronze Age slab discovered in the vicinity of a heavily plowed mound near the settlement of Pyatikhatki. The slab belongs to the Dolmen archaeological culture.
Vodolazhskaya, L.N. +2 more
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Astronomical Calendar and Restoration Design of Clepsydra in the Silla era [PDF]
Journal of Astronomy and Space Sciences, 2008 We study on the astronomical calendars that was used in the Silla era. The calendars are deduced from the records in Samguksagi. They were influenced from calendaric system of Tang Dynasty, which are Lin duk calendar(?), Ta yen calendar(?) and Sun myung ...
Yong Sam Lee +3 more
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Cells, 2022 Plants deploy molecular, physiological, and anatomical adaptations to cope with long-term water-deficit exposure, and some of these processes are controlled by circadian clocks.
Yousef Yari Kamrani +6 more
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Clepsydra of the Bronze Age from the Central Donbass [PDF]
Archaeoastronomy and Ancient Technologies, 2015 In the article presents the results of the multidisciplinary study conducted with the help of archaeological, physical and astronomical methods. The aim of the study was to analyze and interpret marks and drawings applied to the surface of the vessel of ...
Vodolazhskaya, L.N. +2 more
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ZEITLUPE Promotes ABA-Induced Stomatal Closure in Arabidopsis and Populus
Frontiers in Plant Science, 2022 Plants balance water availability with gas exchange and photosynthesis by controlling stomatal aperture. This control is regulated in part by the circadian clock, but it remains unclear how signalling pathways of daily rhythms are integrated into stress ...
Manuela Jurca +14 more
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Automatic Clock and Time Signal System of the Astronomical Agency in East Asia Area [PDF]
Journal of Astronomy and Space Sciences, 2009 We analysed the old automatic clock and time signal system that was used by the national astronomical agency in East Asian Area. Jagyeongnu is a kind of water clock that was operated by the flowing water in Joseon Dynasty.
Yong Sam Lee +2 more
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Cells, 2021 The circadian clock drives time-specific gene expression, enabling biological processes to be temporally controlled. Plants that conduct crassulacean acid metabolism (CAM) photosynthesis represent an interesting case of circadian regulation of gene ...
Robert C. Moseley +4 more
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Structure and Conceptual Design of a Water-Hammering-Type Honsang for Restoration [PDF]
Journal of Astronomy and Space Sciences, 2012 We analyzed the manufacturing procedure, specifications, repair history, and details of celestial movements of the water-hammering type Honsang (celestial globe).
Yong Sam Lee, Sang Hyuk Kim
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