Results 11 to 20 of about 11,118 (217)
Scale-Up Considerations of the Sundial Rotating Fresnel Solar Collector
In the frame of the ASTEP project two prototypes of the Sundial collector, together with a Phase Change Material Thermal Energy Storage, will be tested integrated with the industrial processes of two sites.
Mercedes Ibarra +4 more
doaj +2 more sources
From star field affiliation to sundial theory: spatial expression in Qing dynasty Taiwan gazetteers
Star field affiliation is an important part of ancient Chinese gazetteers. The gazetteers of Taiwan in the Qing Dynasty presented many ‘different opinions’ about the star field affiliation of Taiwan.
Yao Liu, Wenwen Feng
doaj +2 more sources
In this paper, we present the results obtained in the determination of the true north direction on Mars by using a gnomon on the InSight mission and compare the measurements with either the North determination from the Inertial Measurement Unit and ...
D. Savoie +12 more
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A large part of the archaeological remains still to be discovered and excavated are not in remote and depopulated areas of the earth but are often beneath urban centres that have buried them with centuries of debris and later constructions. Excavating in
Valerio Baiocchi +9 more
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Assessing the status of sundial lupine (<i>Lupinus perennis</i> L.) genetic diversity and population structure throughout its distribution. [PDF]
Habitat loss and fragmentation directly influence plant genetic diversity and how it is spatially structured. Species associated with shrinking habitats generally experience population declines and genetic erosion, potentially increasing extinction risk.
Petitta IR, Sabo AE, López-Uribe MM.
europepmc +2 more sources
SUNDIAL: 3D Satellite Understanding through Direct, Ambient, and Complex Lighting Decomposition [PDF]
Estimating 3D geometry of terrain from satellite imagery is essential for environmental science, urban planning, agriculture, and disaster response.
Nikhil Behari +4 more
semanticscholar +1 more source
Abstract Many core human activities require an understanding of time. To coordinate rituals, plan harvests and hunts, recall histories, keep appointments, and follow recipes, we need to grapple with invisible temporal structures like durations, sequences, and cycles. No other species seems to do this.
Cooperrider K.
europepmc +2 more sources
Analemmatic and horizontal sundials of the Bronze Age (Northern Black Sea Coast) [PDF]
The paper presents the results of a study of unique slab with images of Srubna burial of tumuli group Popov Yar-2 (Ukraine) and slab of Srubna burial of tumulus field Tavriya-1 (Russia). A distinctive feature of the images is the orderliness and symmetry
Vodolazhskaya, L.N.
doaj +1 more source
Defocus Controller for a Rotatory Fresnel Collector
Solar heat for industrial processes (SHIP) is becoming one of the most attractive solutions for industry decarbonisation. Solar plants require a complex control system to manage the fluctuation of their source, solar radiation.
Magdalena Barnetche +5 more
doaj +1 more source
Family of the Sun-and-Stars Time-Determining Instruments (Ilseong-jeongsi-ui) Invented During the Joseon Dynasty [PDF]
We analyze the design and specifications of the Sun-and-Stars Time-Determining group of instruments (Ilseong-jeongsi-ui, 日星定時儀) made during the Joseon dynasty.
Yong Sam Lee +2 more
doaj +1 more source

