Results 41 to 50 of about 2,783 (246)

Placental crises: disruptive selection and maternal under‐investment as the foundations of mammalian placental evolution and dysfunction

open access: yesBiological Reviews, EarlyView.
ABSTRACT Among the vertebrates, mammals are notable for the dominance of live birth and placental nutrition. The structural diversity of the mammalian placenta is remarkable, despite sharing a single common ancestor and conserved physiological functions.
Davis Laundon   +5 more
wiley   +1 more source

Investigation of Effective Parameters on Discharge Coefficient of Compound Arched Circular-Rectangular Sharp-Crested Weirs

open access: yesمجله آب و خاک, 2016
Introduction: The compound sharp-crested weirs are composed from several notches and those are designedin different shapes. One of the hydraulic advantagesof compound weirs is that atlowflow rate, the bottomnotchacts assimpleweir andwith the creation of ...
S.N. Mousavi   +3 more
doaj   +1 more source

Dynamics of biotic resistance to plant invasions

open access: yesBiological Reviews, EarlyView.
ABSTRACT Biotic resistance, the reduction in invasion success caused by native communities, plays an important role in the long‐term dynamics of biological invasions. A large body of empirical research on biotic resistance has accumulated since the last comprehensive review on the subject 20 years ago, enabling us to achieve a refined understanding of ...
Christine S. Sheppard   +13 more
wiley   +1 more source

THE BAGOURIA BARRAGE 1281 AH / 1864 AD:AN ARCHAEOLOGICAL ARCHITECTURAL STUDY [PDF]

open access: yesJournal of the General Union of Arab Archaeologists, 2019
(En) The Bagouria Barrage is one of the most important establishments that were built in the field of irrigation engineering in the governorate of Menoufia during the reign of Khedive Ismail in 1281 AH/ 1864 AD.
Badr Abdelaziz Badr
doaj   +1 more source

Advancing Theory and Practice Concerning CO2e Emissions: A Time‐Based Tool for Organisations

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Although organisations are increasingly scrutinised on their CO2e emissions, economic growth is frequently encouraged. Eco‐efficiency–based initiatives—‘doing more with less’—could be a solution. The problem is that many organisations (e.g., smaller enterprises without access to specialist knowledge) have difficulties in gauging the impact of ...
Andrea Stevenson Thorpe, Frank Figge
wiley   +1 more source

Inflatable weir hydraulics [PDF]

open access: yes, 2015
Thesis (MEng)--Stellenbosch University, 2015.ENGLISH ABSTRACT: General objective of the study This thesis aims to evaluate the hydraulics of an inflatable weir in its fully inflated position to the almost fully deflated position using different diameter
Tagwi, Dayton
core  

Design and implementation of a 3D‐printed modular distillation tower for experimental teaching in chemical engineering

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Several authors have reported the disconnection between the skills, abilities, and attitudes of graduates from STEM careers with the current needs of the labour market. In science and engineering fields, research has found the need for interdisciplinary approaches that encourage meaningful learning.
Úrsula Manríquez‐Tolsá   +7 more
wiley   +1 more source

Lepanus tozerensis Gunter & Weir 2019, new species

open access: yes, 2019
Lepanus tozerensis Gunter & Weir, new species (Figs. 7C, 9F, 12E, 14) Type series. Holotype: ♂ “ 12.43 S 143.17 E 9km ENE Mt. Tozer, QLD, 5-10 July 1986, T. Weir ” / “ Berlesate ANIC 1061 open forest litter” [12°43'S, 143°17'E] / “ ANIC Database
Weir, Thomas A., Gunter, Nicole L.
core   +1 more source

Fatalities within seven days after equine standing sedation: A prospective, multicentre study

open access: yesEquine Veterinary Journal, EarlyView.
Abstract Background Information regarding mortality associated with standing procedures in horses is sparse. Objectives To report data from >12,000 standing sedations. Study Design Confidential, observational, prospective, multicentre, cohort study.
Miguel Gozalo‐Marcilla   +6 more
wiley   +1 more source

Energy Dissipation Optimization for Circular Culverts

open access: yes, 2023
The principal goal of the current research is to develop and improve weir-based energy dissipator designs at the outlets of circular culverts. In the present case, we are interested in full-length weirs and staggered weirs. A review of related literature
Zhang, Chi
core   +2 more sources

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