Results 91 to 100 of about 188,667 (380)

Hydrothermal Carbonization of Various Paper Mill Sludges: An Observation of Solid Fuel Properties

Energies, 2019
Each year the pulp and paper industries generate enormous amounts of effluent treatment sludge. The sludge is made up of various fractions including primary, secondary, deinked, fiber rejects sludge, etc.
Nepu Saha, Akbar Saba, Pretom Saha, Kyle McGaughy, Diana Franqui-Villanueva, William J. Orts, William M. Hart-Cooper, M. Toufiq Reza   +7 more
doaj   +1 more source

Early and mid-Holocene coastal settlement and demography in southeastern Norway: Comparing distribution of radiocarbon dates and shoreline-dated sites, 8500–2000 cal. BCE

Journal of Archaeological Science: Reports, 2018
In this paper we explore temporal variation in demography and settlement intensity in southeastern Norway during the Early and mid-Holocene. In order to investigate the temporal variation in demography and settlement we have applied and compared two ...
S. Solheim, P. Persson
semanticscholar   +1 more source

Impact of Geography on Institutions in Agricultural and Nomadic Societies

International Studies of Economics, EarlyView.
ABSTRACT How geography affects the choice of institutions is studied in a theoretical model. In this model, nations are located around a circle. Rulers compete through choosing tax rates, the level of military spending, and the degree of formality of institutions. Geographic condition is captured by population density.
Haiwen Zhou
wiley   +1 more source

Reconstructing post‐crisis recovery in the hinterlands of Constantinople: A high‐resolution first‐millennium CE pollen record from Lake Yeniçağa (NW Türkiye)

Journal of Quaternary Science, EarlyView.
ABSTRACT Facing a novel plague pandemic, military invasions, and political–economic transformations, societies of the eastern Roman (Byzantine) empire had to adapt to a variety of pressures and new ways of exploiting their natural environments during the mid‐1st millennium CE.
Cristiano Vignola, Mustafa Doğan, Warren Eastwood, John Haldon, Alessia Masi, Neil Roberts, Çetin Şenkul, Adam Izdebski   +7 more
wiley   +1 more source

BCE

, 2012
Spational modeling of a sustainable gas supply chain by matching supply and demand Biogas production from co-digestion of cattle manure and biomass can have a significant contribution to a sustainable gas supply when this gas is upgraded to specifications prescribed for injection into the national gas grid and injected into this grid.
Bekkering, Jan, Broekhuis, A.A., van Gemert, Wim   +2 more
openaire  

A Phoenician Way to be Roman [PDF]

, 2017
This paper offers a synthesis on my dissertation, titled The Phoenician communities of the Iberian Peninsula and their integration in the Roman world: an identity perspective.
Machuca Prieto, Francisco
core  

Deep convolutional encoder-decoder networks for uncertainty quantification of dynamic multiphase flow in heterogeneous media

, 2018
Surrogate strategies are used widely for uncertainty quantification of groundwater models in order to improve computational efficiency. However, their application to dynamic multiphase flow problems is hindered by the curse of dimensionality, the ...
Mo, Shaoxing, Shi, Xiaoqing, Wu, Jichun, Zabaras, Nicholas, Zhu, Yinhao   +4 more
core   +1 more source

Rural Granaries in Northern Gaul (Sixth Century BCE – Fourth Century CE)

, 2019
In recent years, storage has come to the fore as a central aspect of ancient economies. However studies have hitherto focused on urban and military storage. Although archaeological excavations of rural granaries are numerous, their evidence has yet to be
Stéphane Martin
semanticscholar   +1 more source

Decoupling climate and human impacts on the nitrogen cycle during the Irish Bronze Age

Journal of Quaternary Science, EarlyView.
ABSTRACT Disentangling climate variability and human activity in past nitrogen cycling is key to understanding ecosystems. Previous studies in Ireland observed a widespread, permanent shift in terrestrial nitrogen cycling during Later Prehistory, potentially linked to intensifying land‐use.
Sarah Ferrandin, Gill Plunkett, Neil Ogle   +2 more
wiley   +1 more source

Hebrew Influences and Self-Identity in the Judeo-Georgian Language and in the Caucasus “Mountain of Tongues”

Язык и текст, 2020
The Caucasus region has been called the “Mountain of Tongues”. History writers from Herodotus, 2,500 years ago, until present time have given different numbers of languages, e.g.
S. Nesher
doaj   +1 more source