Results 31 to 40 of about 20,630 (251)

A Global Methane Observation System to Reduce Uncertainty for Anthropogenic and Natural Sources and Sinks for Detecting and Attributing Climate Feedbacks

open access: yesAdvanced Science, EarlyView.
Conceptual illustration of a Global Ecosystem Methane Observing System (GEM‐OS) integrating satellites, aircraft, atmospheric networks, and ecosystem measurements to quantify methane emissions from anthropogenic and natural sources. The multi‐scale observing framework improves source attribution, reduces uncertainty in regional methane budgets, and ...
P. Ciais   +32 more
wiley   +1 more source

Sensitivity Analysis of Selected Random Variables of Existing Offshore Jacket Structures in Persian Gulf

open access: yesInternational Journal of Coastal and Offshore Engineering, 2017
Structural integrity evaluation of an existing offshore platform typically is based on a combination of non-linear structural analysis together with risk and reliability analysis. Quantitative assessment of the probability of failure of a jacket platform
Mostafa Zeinoddini   +4 more
doaj  

The trade agreement between Russia and Persia in 1717

open access: yesВестник Тамбовского университета. Серия: Гуманитарные науки
Importance. The history of Russian-Iranian relations dates back more than one hundred years and throughout the entire period they played an important role in the political and economic spheres of our state.
M. M. Imasheva, R. N. Pirova
doaj   +1 more source

Anchor Engineering of Hole‐Selective Enamine‐Based Self‐Assembling Monolayers for Perovskite Solar Cells

open access: yesAdvanced Science, EarlyView.
This work presents novel enamine‐based self‐assembling monolayers with engineered anchoring groups as hole‐selective contacts for inverted perovskite solar cells. The conjugated molecular design suppresses interfacial defects, optimizes charge extraction, and prevents aggregation.
Deimante Krisiune   +11 more
wiley   +1 more source

Fabian Boital, pioneer of Persian railway projects

open access: yesRUDN Journal of World History
The study discusses the competition among great powers for railway concessions in Persia, with a particular focus on the involvement of French entrepreneur Fabian Boital.
Zaven A. Arabadzhyan
doaj   +1 more source

Palaeoproteomic Deconvolution of Physical and Genetic Collagen Mixtures

open access: yesAdvanced Science, EarlyView.
ClassiCOL_v2 uses a novel “peptide patching” framework that treats any collagen sample as a patchwork of peptide sequences derived from phylogenetically related species. This allows the algorithm to simultaneously resolve two previously intractable problems: multi‐species samples and/or database deficiencies.
Ian Engels   +12 more
wiley   +1 more source

Development of Road Infrastructure in Transcaucasia in the Second Half of the 19th - Early 20th Century

open access: yesRUDN Journal of Russian History
The author examines the historical experience of the development of the road infrastructure of Transcaucasia in the second half of the 19th - early 20th centuries.
Petr A. Kolpakov
doaj   +1 more source

Agronomic and Nutritional Perspectives on Vegetable Crops in Africa

open access: yesAgriFood: Journal of Agricultural Products for Food, EarlyView.
Vegetable production plays a key role in food security, nutrition, and livelihoods across Africa. Moreover, African indigenous vegetables emerge as underutilized yet highly valuable crops, rich in macro‐ and micronutrients, as well as bioactive compounds with an array of health benefits.
Đorđe Vojnović   +4 more
wiley   +1 more source

“We are as despondent as a dove is despondent when its children are removed...”: the southern vector of foreign economic relations of the population of the North Caucasus at the end of the 18th – beginning of the 19th centuries

open access: yesГуманитарные и юридические исследования
Introduction. The work reveals the importance of trade exchange for the highlanders of the North Caucasus at the end of the 18th – beginning of the 19th centuries.
M. S. Anufrienko
doaj   +1 more source

Persia Sive Sophorum Regnum

open access: yes, 2022
Map of the Kingdom of Safavid Persia from John Ogilby's Asia, the first part ...

core  

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