Results 31 to 40 of about 291,860 (287)
Flexión esviada: estado actual del tema
Informes de la Construccion, 1970 Se presentan brevemente las diversas posibilidades existentes para el dimensionamiento práctico de secciones de hormigón armado solicitadas en flexocompresión esviada, en el marco del cálculo en rotura.
F. Morán, A. Verde
doaj +1 more source
Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM
FEBS Letters, EarlyView.Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley +1 more source
Arthroplasty, 2021 Background It remains uncertain whether an increase in the tibial slope leads to better flexion in posterior-stabilized (PS) total knee prostheses. Purpose To compare the intra-operative flexion angle between standard and an additional 10° posterior ...
Susumu Takemura +6 more
doaj +1 more source
Validation of daily growth increments and estimation of growth rates of larval and early juvenile black skipjack, Euthynnus lineatus, using otoliths [PDF]
, 1993 ENGLISH: Increments in otoliths (sagittae) were examined, using light and scanning electron microscopy, to determine ages and estimate growth rates of larval and early-juvenile black skipjack, Euthynnus lineatus.
Wexler, Jeanne B.
core
Phosphatidylinositol 4‐kinase as a target of pathogens—friend or foe?
FEBS Letters, EarlyView.This graphical summary illustrates the roles of phosphatidylinositol 4‐kinases (PI4Ks). PI4Ks regulate key cellular processes and can be hijacked by pathogens, such as viruses, bacteria and parasites, to support their intracellular replication. Their dual role as essential host enzymes and pathogen cofactors makes them promising drug targets.
Ana C. Mendes +3 more
wiley +1 more source
Dispositivo de carga para ensayos de flexión
Informes de la Construccion, 1957 Se describen, en este artículo, las principales características de un dispositiva de carga, para ensayos de flexión, de fácil realización y satisfactorios resultados.
Rafael Piñeiro
doaj +1 more source
In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS
FEBS Letters, EarlyView.We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka +11 more
wiley +1 more source
Observaciones sobre la flexión de los infinitivos
Anuario del Seminario de Filología Vasca "Julio de Urquijo", 1995 -
Marina Fernández, Alberto Anula
doaj +1 more source
Flexión termoelástica de placas ortótropas [PDF]
, 1999 En el presente trabajo se analiza la flexión termoelástica de placas ortótropas delgadas bajo la hipótesis de pequeñas deformaciones. Se aproxima la deflexión de la placa en términos de funciones coordenadas polinómicas que, para el caso de la placa ...
Laura, Patricio A. A., Rossit, Carlos A.
core +2 more sources
Structural biology of ferritin nanocages
FEBS Letters, EarlyView.Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley +1 more source