Results 61 to 70 of about 170,507 (251)
Medical ultrasonography, 2014 AIMS The present study aimed to determine whether yolk sacs with abnormal sonographic appearance are associated with adverse perinatal outcomes in both early and late gestation.
Sinan Tan +7 more
semanticscholar +1 more source
The biosynthesis of cholesterol in the developing chick embryo*
Journal of Lipid Research, 1962 Mevalonic acid-2-C14 was injected into the yolk of incubating fertile hens' eggs on the sixth day of incubation. A nonsaponifiable fraction (NSF) containing labeled components was isolated from the yolk sac and from the embryo throughout the remainder of
Pat W. Camerino, Lemuel D. Wright
doaj
Yolk sac utilization in ostrich (Struthio camelus) chicks : research communication
Onderstepoort Journal of Veterinary Research, 2004 The mass of residual yolk sac expressed as a percentage of initial mass of the egg from which the chick hatched decreased sharply in the first 2 days post-hatching.
E.Z. Mushi, M.G. Binta, R.G. Chabo
doaj +1 more source
Main-Group Metal Elements as Promising Active Centers for Single-Atom Catalysts [PDF]
arXiv, 2021 Current research efforts on single-atom catalysts (SACs) exclusively focus on nonmetal or transition-metal atoms as active centers, while employing main-group metal elements is seemingly excluded because their delocalized s/p-bands are prone to yield a broadened resonance for the interaction with adsorbates.
arxiv
Battery Energy, EarlyView.This review comprehensively addresses challenges impeding the current and near‐future applications of Li–S batteries, with a special focus on novel strategies and materials for achieving high energy/power density. Additionally, potential areas for practical applications are explored, placing special emphasis on their lightweight, high energy/power ...
Junyoung Heo +9 more
wiley +1 more source
Deciphering infant mortality. Part 1: empirical evidence [PDF]
arXiv, 2016 This paper is not (or at least not only) about human infant mortality. In line with reliability theory, "infant" will refer here to the time interval following birth during which the mortality (or failure) rate decreases. This definition provides a systems science perspective in which birth constitutes a sudden transition which falls within the field ...
arxiv
How Do Practitioners Perceive Assurance Cases in Safety-Critical Software Systems? [PDF]
, 2018 Safety-critical software systems are those whose failure or malfunction could result in casualty and/or serious financial loss. In such systems, safety assurance cases (SACs) are an emerging approach that adopts a proactive strategy to produce structuralized safety justifications and arguments.
arxiv +1 more source
PLoS ONE, 2014 The use of avian animal models has contributed to the understanding of many aspects of the ontogeny of the hematopoietic system in vertebrates. However, specific events that occur in the model itself are still unclear. There is a lack of consensus, among
P. Guedes +5 more
semanticscholar +1 more source
Recent Advances in Single‐Atom Catalysts for Photoelectrocatalytic Water Splitting
Carbon Energy, EarlyView.Recent breakthroughs in the development of single‐atom catalysts for photoelectrocatalytic water splitting are reviewed. The potential design principles and strategies for the future development of SACs in PEC are proposed. In the end, we discuss the challenges and perspectives regarding fundamental research and advances to provide insights and ...
Jiao Yang +6 more
wiley +1 more source
Colloidal liquids of yolk-shell particles [PDF]
arXiv, 2014 In this paper we develop statistical mechanical tools to describe the intermediate- and long-time collective- and self-diffusion properties of a liquid of strongly-interacting hollow spherical particles (shells), each bearing a smaller solid sphere (yolk) in its interior.
arxiv