Results 11 to 20 of about 54,356 (248)

Classification of embryo sacs in the Eragrostis curvula Complex

open access: yesBothalia: African Biodiversity & Conservation, 1984
At each of 17 collecting points between Johannesburg and Brits in the Transvaal, three plants which belong to the  Eragrostis curvula Complex were collected and studied. A total o f 3 902 embryo sacs was examined in this sample.
T. B. Vorster, H. Liebenberg
doaj   +2 more sources

CHICKEN AIR SACS AND MESENTERY : A HISTOMORPHOMETRICAL AND IMMUNOLOGICAL STUDY [PDF]

open access: yes, 2023
Fat-associated lymphoid clusters (FALCs) are novel lymphoid tissues that have been reported in the mesenteric and mediastinal fat tissue of mouse and human.
Elewa, Yaser Hosny Ali   +2 more
core   +3 more sources

Reassessment of the evidence for postcranial skeletal pneumaticity in Triassic archosaurs, and the early evolution of the avian respiratory system. [PDF]

open access: yes, 2012
Uniquely among extant vertebrates, birds possess complex respiratory systems characterised by the combination of small, rigid lungs, extensive pulmonary air sacs that possess diverticula that invade (pneumatise) the postcranial skeleton, unidirectional ...
Barrett, Paul M.   +9 more
core   +2 more sources

Yakety sacs: laryngeal air sac usage in great apes [PDF]

open access: yes, 2021
Except for humans, extant great apes have evolutionarily conserved lateral ventricular air sacs extending from laryngeal saccules. Humans are the only species of Hominidae that lack this anatomical feature attached to the primary vocal apparatus.
Trenbeath, Chelsea
core   +2 more sources

Genetic screening for SACS, ABHD12 and PRICKLE1 mutations in ataxia patients from Southern Italy [PDF]

open access: yes, 2011
Genetic screening for SACS, ABHD12 and PRICKLE1 mutations in ataxia patients from Southern Italy. INTRODUCTION Autosomal recessive (AR) spinocerebellar ataxias constitute a heterogeneous group of neurodegenerative disorders mainly characterized by ...
De Leva, Maria Fulvia
core   +1 more source

Studying fibroblast growth factor (FGF) mediated cell migration in "Drosophila" larval air sacs [PDF]

open access: yes, 2005
Invertebrates and vertebrates use FGF signaling in many developmental processes. Mesoderm formation, limb outgrowth but also the development of the vascular system and the lung rely on FGF ligands.
Cabernard, Clemens
core   +1 more source

Recent advances and strategies in the stabilization of single‐atom catalysts for electrochemical applications

open access: yesCarbon Energy, 2020
Owing to the rapidly increasing consumption of fossil fuels, finding clean and reliable new energy sources is of the utmost importance. Thus, developing highly efficient and low‐cost catalysts for electrochemical reactions in energy conversion devices is
Junjie Li   +4 more
doaj   +1 more source

Organizational Innovation and Cost Reduction Analysis of Manufacturing Process – Case Study

open access: yesManagement Systems in Production Engineering, 2019
Innovation is the key to the growth of each business in a fast-changing world. Innovations affect financial activities because the successful innovation opens the new markets, gives the opportunity to reduce costs or introduce new products and services ...
Chandran Senthil   +3 more
doaj   +1 more source

Recent Advances on Single‐Atom Catalysts for CO2 Reduction

open access: yesSmall Structures, 2023
Continuous consumption of fossil energy and excessive CO2 emission severely restrict human society. Sustainable carbon cycle is a promising technology to simultaneously relieve greenhouse effect and energy crisis based on electrocatalysis and ...
Lizhen Liu   +3 more
doaj   +1 more source

The Social and Community Services Sector in NSW: Structure, Workforce and Pay Equity Issues [PDF]

open access: yes, 2010
This report provides information on the social and community services (SACS) sector and its workforce, in the context of the 2009 Heads of Agreement between the Australian Services Union (ASU) and the Australian Government regarding the future industrial
Meagher, G   +1 more
core   +2 more sources

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