Results 121 to 130 of about 78,227 (238)

CryoFluorSEM – A new approach for fluorescence and EM imaging of cryofractured plant samples

open access: yesJournal of Microscopy, EarlyView.
Abstract Cryo‐scanning electron microscopy (CryoSEM) permits the preparation and detailed imaging of bulky samples while keeping them in a hydrated state. For plant biology, cryofractures give information on cell ultrastructure and tissue organisation within a much larger context that is the whole organ or organism.
Raymond Wightman   +6 more
wiley   +1 more source

Detalle de la escalera y escultura de la Plataforma de Venus

open access: yes, 1940
REPROGRAFIA. I.O. "XCVIII-97", "KODAK SAFETY FILM", "F. MUJICA". Información obtenida de la guarda: "Chichén Itzá yuc. plataforma de Venus o de las Águilas". V.F.
F. Mujica (photographer)
core  

Light‐induced phyB‐NPR1 interaction activates systemic acquired resistance

open access: yesNew Phytologist, EarlyView.
Model showing phyB‐mediated fine‐tuning of defence responses via NPR1. Summary Light perception by phytochromes controls different aspects of plant–environment interactions including plant immunity; however, the underpinning molecular mechanisms are less well‐understood.
Srayan Ghosh   +13 more
wiley   +1 more source

Significant Dot: The 1769 transit of Venus - a tale of astronomy, medicine and empire [PDF]

open access: yes, 2012
This article places the 6 June 2012 transit of Venus in the context of James Cook’s voyage from England to the South Pacific to observe the 1769 transit of Venus.
Hughes, Stephen W.
core  

Hombres colocan escultura en forma de cabeza de serpiente sobre la Plataforma de Venus

open access: yes, 1940
I.O. "157", "XXX-73", "3045". Inscripción en la guarda: "Chichén Itzá Yuc.", "Zona Arqueológica", "Prehispánicos", "Tomo XXX-73". Plataforma de Venus, V.F.

core  

Intersex Across the Interstellar: The Andromeda Constellation in Medieval and Early Modern Astronomical and Astrological Treatises

open access: yesRenaissance Studies, EarlyView.
ABSTRACT This article examines the iconography of the Andromeda constellation as an intersex figure within medieval and early modern astrological traditions. It focuses on the origins of this imagery in the thirteenth‐century astrological writings of Scot and its reappearance nearly three centuries later in Ratdolt's illustrated 1482 edition of Hyginus'
Bar Leshem
wiley   +1 more source

Trabajadores levantan con poleas los bloques de la Plataforma de Venus

open access: yes, 1940
I.O. "150", "XXX-69", "3041". Inscripción en la guarda: "Chichén Itzá Yuc.", "Zona Arqueológica", "Prehispánicos", "Tomo XXX-69". Plataforma de Venus, V.F. 301880, 410507.

core  

Quantification of dryland depositional environments across contrasting fluvio‐aeolian and fluvio‐lacustrine transects: An integrated subsurface and outcrop analogue study of the Organ Rock Formation, Utah, USA

open access: yesSedimentology, EarlyView.
ABSTRACT The standard subdivision of a distributive fluvial system (DFS) into proximal, medial and distal zones is typically based on the proportion of channel bodies and/or the degree of channel amalgamation, reflecting a downstream fining trend towards a mud‐prone terminal pinch‐out.
Oliver Button   +5 more
wiley   +1 more source

A Critique of the Taxonomy of Subtribe Celmisiinae (Asteraceae: Tribe Astereae) With New Combinations in Pleurophyllum Hook.f. sens. lat. and Shawia hesperia (Heenan & Molloy) Heenan comb. nov.

open access: yesNew Zealand Journal of Botany, Volume 64, Issue 4, December 2026.
This review is of the recently revised circumscriptions of the Pleurophyllum Hook.f. group and Shawia J.R.Forst. & G.Forst. of subtribe Celmisiinae, both centred in New Zealand. Recognition of Shawia is supported, and phylogenetic data recover seven well‐supported subclades treated as infrageneric sections.
Peter B. Heenan
wiley   +1 more source

Aerocapture Mission Concepts for Titan and Venus Exploration

open access: yes, 2008
This presentation was part of the session : Probe Missions to the Giant Planets, Titan and VenusSixth International Planetary Probe WorkshopAerocapture has been studied for decades as a mass-efficient way to deliver orbiting spacecraft to planets or ...
Spilker, Thomas, Munk, Michelle Marie
core   +1 more source

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