Results 41 to 50 of about 770,114 (271)

Urbis et Orbis: Non-Euclidean Space of History [PDF]

open access: yes, 2015
Social space is superimposed on the civilization map of the world whereas the social time is correlated with the duration of civilization existence. Within own civilization the concept space is non-homogeneous, there are “singled out points” — “concept ...
Halapsis, Alex V.
core  

Capillary‐Driven 3D Open Fluidic Networks for Versatile Continuous Flow Manipulation

open access: yesAdvanced Materials, EarlyView.
The capillary‐driven 3D open fluidic networks (OFNs), composed of connected polyhedral frames, enable precise, programmable, and versatile manipulation of unary, binary, and multiple continuous flows in both spatial and temporal dimensions. OFNs represent a significant leap beyond conventional microfluidics, unlocking new possibilities for selective ...
Shuangmei Wu   +4 more
wiley   +1 more source

Income Quality and Organic Food Purchase Intention: The Chain Mediating Role of Environmental Value, Perceived Consumer Effectiveness

open access: yesSAGE Open, 2023
Concerns about income inequality and environmental pollution have been important aspects of achieving sustainable development goals. Promotion and use of organic food is one important way to reduce resource consumption and waste.
Qiuqin Zheng   +3 more
doaj   +1 more source

Assessment on the Urbanization Quality of China’s Main Grain-Producing Areas under the SDGs

open access: yesLand, 2022
The Sustainable Development Goals (SDGs) adopted by the United Nations in 2015 guide the important direction of high-quality urbanization in China’s main grain-producing areas (MGPAs), and improving the quality of urbanization is also crucial to achieve ...
Fengjuan Geng   +4 more
doaj   +1 more source

Quantification of drought during the collapse of the classic Maya civilization

open access: yesScience, 2018
Falling from a fall in rainfall How much did rainfall have to decrease to trigger the collapse of Lowland Classic Maya civilization during the Terminal Classic Period? This collapse is a well-cited example of how past climate change—in this case, drought—
Nicholas P. Evans   +5 more
semanticscholar   +1 more source

Self‐Maintainable Electronic Materials with Skin‐Like Characteristics Enabled by Graphene‐PEDOT:PSS Fillers

open access: yesAdvanced Science, EarlyView.
Graphene‐PEDOT:PSS fillers revolutionize soft electronics by transforming jelly‐like materials into skin‐like systems with self‐healing, heat‐responsiveness, and multiplex sensing capabilities. This novel material exhibits exceptional printability, flexibility, and adhesiveness, enabling seamless integration into bioelectronics and tissue‐cyborganic ...
Morteza Alehosseini   +7 more
wiley   +1 more source

The West: Between Open Society and Clashing Civilizations [PDF]

open access: yes, 2016
The article aims to show that by its very nature Western civilization is well suited for making a significant contribution to build the open society based on intercivilizational dialogue.
Tarasiewicz, Pawel
core  

Modulating the Evolution of Metastable CaO* for the Near‐Theoretical Performance Breakthrough of Ni/CeO2‐CaO in Integrated CO2 Capture and Methanation

open access: yesAdvanced Science, EarlyView.
A low‐temperature hydrogen spillover decomposition strategy is proposed to reveal the influence of the CaCO3 parent conversion process on the properties of nascent CaO. Under the guidance of the advanced synthesis strategy, the properties of calcium‐based dual‐functional materials are maximally exploited.
Lifei Wei   +7 more
wiley   +1 more source

UNTOLD BLACK HISTORY [PDF]

open access: yes, 2017
Black people’s history in the past centuries has being portrayed as people that lack the acumen to build any civilization of its own. The knowledge of the Black history has so far being said to be crude or savage and do not have a place in civilization.
Fomba, Ahmed
core  

Sensation seeking in 3- to 6-year-old children: associations with socio-demographic parameters and behavioural difficulties

open access: yesBMC Pediatrics, 2019
Background The present study investigates whether sensation seeking in pre-school-age children is associated with age, gender and socio-economic status, and how sensation seeking relates to behavioural difficulties.
Myriam Haas   +5 more
doaj   +1 more source

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