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The Reasons of Taking Advantage of Slaves in Fatimids’ Political and Military System [PDF]

تاریخ اسلام, 2020
Ishmaelite Fatimids (297-567) initially took power in the Islamic West and later, they entered Egypt. In their political and military structure of their government particularly the army and the positions in the court and government, they were not ...
Seyedeh Leila Taqavi Sangdehi, Fatemeh Asgarkhani, Bahram Bahrami   +2 more
doaj   +1 more source

Substance use in childhood and adolescence and its associations with quality of life and behavioral strengths and difficulties

BMC Public Health, 2022
Background Substance use in childhood and adolescence continues to be a current health concern. The aims of the present study were to identify trends in the use of alcohol, cigarettes, and cannabis in children and adolescents in the last 10 years and to ...
Wiebke Frobel, Nico Grafe, Christof Meigen, Mandy Vogel, Andreas Hiemisch, Wieland Kiess, Tanja Poulain   +6 more
doaj   +1 more source

Climate change and the threat to civilization

Proceedings of the National Academy of Sciences of the United States of America, 2022
In a speech about climate change from April 4th of this year, UN General Secretary Ant onio Guterres lambasted “the empty pledges that put us on track to an unlivable world” and warned that “we are on a fast track to climate disaster” (1). Although stark,
D. Steel, C. DesRoches, Kian Mintz‐Woo
semanticscholar   +1 more source

Sleep-related difficulties in healthy children and adolescents

BMC Pediatrics, 2021
Background As sleep-related difficulties are a growing public health concern, it is important to gain an overview of the specific difficulty areas of the most vulnerable individuals: children.
Christiane Lewien, Jon Genuneit, Christof Meigen, Wieland Kiess, Tanja Poulain   +4 more
doaj   +1 more source

The Development of Waqf in the Middle East and its Role in Pioneering Contemporary Islamic Civilization: A Historical Approach

Journal of Islamic Thought and Civilization, 2022
This article focuses on the history of the development of waqf (endowment) in the Middle East and its role in pioneering contemporary Islamic civilization.
Abdurrohman Kasdi, Abdul Karim, Umma Farida, Miftahul Huda   +3 more
semanticscholar   +1 more source

Quantifying the Spatial Fragmentation Pattern and Its Influencing Factors of Urban Land Use: A Case Study of Pingdingshan City, China

Land, 2022
In the context of rapid urbanization, the phenomenon of spatial fragmentation in Chinese inland central cities is significant. The scientific measurement and evaluation of urban spatial fragmentation are conducive to its transformation, advancement, and ...
Li Yue, Hongbo Zhao, Xiaoman Xu, Tianshun Gu, Zeting Jia   +4 more
doaj   +1 more source

Media regulation strategies in parents of 4- to 16-year-old children and adolescents: a cross-sectional study

BMC Public Health, 2023
Background Since children can only control and limit their own media use to a limited extent, it is often the parents who regulate their children’s media use.
Tanja Poulain, Christof Meigen, Wieland Kiess, Mandy Vogel   +3 more
doaj   +1 more source

Active school transport in an urban environment:prevalence and perceived barriers

BMC Public Health, 2023
Background Active school transport (AST) can increase children’s and adolescents’ physical activity. The proportion of children and adolescents who engage in AST has declined internationally in recent decades.
Isabel Wex, Mandy Geserick, Tim Leibert, Ulrike Igel, Carolin Sobek, Christof Meigen, Wieland Kiess, Mandy Vogel   +7 more
doaj   +1 more source

Evaluating the Effects of Renewable Energy Consumption on Carbon Emissions of China’s Provinces: Based on Spatial Durbin Model

Land, 2022
Renewable energy consumption is considered as the main form of energy consumption in the future. The carbon emissions produced by renewable energy can be approximately ignored, and renewable energy is essential for regional sustainable development.
Yang Sun, Mengna Du, Leying Wu, Changzhe Li, Yulong Chen   +4 more
doaj   +1 more source

Associations between problematic smartphone use and behavioural difficulties, quality of life, and school performance among children and adolescents

BMC Psychiatry, 2022
Background European studies on determinants and factors associated with problematic smartphone use (PSU) in children and adolescents are still sparse. This study reports the current amount of PSU symptoms and the presence of (clinically relevant) PSU in ...
Tobias Kliesener, Christof Meigen, Wieland Kiess, Tanja Poulain   +3 more
doaj   +1 more source