Results 41 to 50 of about 139,225 (303)

The Ethnic 'Other' in Ukrainian History Textbooks: The Case of Russia and the Russians [PDF]

open access: yes, 2007
This paper examines portrayals of Russia and the Russians in two generations of Ukrainian history textbooks. It observes that the textbooks are highly condemning of Ukraine's main ethnic other in the guise of foreign ruler: the tsarist authorities and ...
Anderson E. A.   +37 more
core   +4 more sources

Self‐Refreshing Bi‐Based Active Sites for Efficient and Durable Electrochemical CO2 Reduction

open access: yesAdvanced Functional Materials, EarlyView.
A self‐refreshing Bi‐based catalyst is developed through the fabrication of a novel basic bismuth nitrate pre‐catalyst, which exhibits differential active sites of Bi2O2CO3 at low potentials and metallic Bi phases at high potentials, self‐repairing capability, and thus wide‐potential‐window efficiency and ultralong durability toward electrochemical CO2
Yuxuan Xiao   +7 more
wiley   +1 more source

[Review] Jay M. Smith, ed. (2006) The French nobility in the eighteenth century: reassessments and new approaches [PDF]

open access: yes, 2009
A 6,000 word review article discussing this book and recent approaches to the nobility in eighteenth-century ...
Campbell, Peter R
core  

The Ottoman state and descendants of the prophet in Anatolia and the Balkans (c. 1500-1700) [PDF]

open access: yes, 2009
Throughout the Islamic world those claiming descent from the Prophet Muhammad (T. seyyid/serif pl. sadat/esraf) were (and are) accorded a special status.
Hulya, Canbakal, Hülya, Canbakal
core   +1 more source

Transition From Lattice Oxygen to Radical‐Mediated Oxidation in Ammonium‐Intercalated Birnessite Catalysts for Selective Valorization of Biomass to Produce Formic Acid

open access: yesAdvanced Functional Materials, EarlyView.
The catalytic valorization of biomass represents an essential approach for achieving sustainable chemical production, with formic acid (FA) being recognized as a valuable platform chemical for hydrogen storage and environmentally friendly synthetic applications.
Yiqi Geng   +6 more
wiley   +1 more source

Dual‐Atom Dopants Activated Ruthenium Single‐Atom Alloy Boosting Hydrogen Evolution Electrocatalysis in Proton Exchange Membrane Water Electrolyzer

open access: yesAdvanced Functional Materials, EarlyView.
Ni1‐Bi1 dual‐atom dopants are achieved for activating Ru lattices without blocking noble atoms. This model exhibits an ultralow overpotential of 11.4 mV and superb stability at 10 mA cm−2 toward hydrogen evolution reaction, enabling a proton exchange membrane water electrolyzer that needs only 2.233 V to reach 3.0 A cm−2 and operates stably at 1.0 A cm−
Shuiping Luo   +17 more
wiley   +1 more source

Electoral Behavior of Russian Nobility (1770-1820s)

open access: yesRUDN Journal of Russian History, 2012
The article deals with the processes of traditions emergence and formation of the Russian nobility electoral behavior in the last quarter of the 18th - the first third of the 19th century. Considering the materials of Moscow and Tver provinces the author
A I Kupriyanov
doaj  

The regulations of honour: an attempt at a Weberian and anthropological enquiry through the prism of a Spanish trading group [PDF]

open access: yes, 2006
: This paper is concerned with a rather neglected issue in sociological analysis: honour as a value and regulating principle of social life. The attempt is made to study honour from a perspective which pays attention to both the carriers of honour and ...
Frade, C
core   +2 more sources

Heteroatom‐Engineering Promoted Co9S8 Bi‐functional Electrocatalyst for Hydrazine‐Assisted Hydrogen Production at Industrial Current Density

open access: yesAdvanced Functional Materials, EarlyView.
Fe and P co‐doped Co9S8 nanocorals (Fe, P‐Co9S8) are successfully synthesized by a heteroatom engineering strategy, which exhibit outstanding bifunctional electrocatalytic performance for both the hydrogen evolution reaction (HER) and hydrazine oxidation reaction (HzOR).
Yuying Meng   +8 more
wiley   +1 more source

Covalent Organic Frameworks for Photocatalytic CO2 Reduction: Metal Integration Principles, Strategies and Functions

open access: yesAdvanced Functional Materials, EarlyView.
Covalent organic frameworks (COFs) with metals have been recognized as versatile platforms for photocatalytic CO2 reduction (CO2PRR). Herein, an overview of metal integration strategies for COFs is systematically summarized. Regulatory mechanisms and structure–activity relationships between metal integration and COF‐based CO2PRR are emphasized.
Jie He   +5 more
wiley   +1 more source

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