Results 1 to 10 of about 31,801 (159)

The Impact of a Special Economic Zone Management on the Development of Modern Sectors and Technologies in a Polish Metropolis: The Smart City Context

open access: yesEnergies, 2023
The development of the high-tech sector has so far been studied within the cities, leaving their functioning within the special economic zones in the context of metropolitan belonging unexplored.
Grzegorz Kinelski   +5 more
doaj   +3 more sources

Principles and Application of Fourier-Transform Rheology in the Identification of Polymer Alloys [PDF]

open access: yesBaspārish, 2022
Today, almost all polymer researchers use rheological methods to identify the microstructure of various polymer systems. One of the most popular and widely used methods is the small amplitude oscillatory shear (SAOS) test. SAOS provides a set of valuable
Mohammad Hossein Jandaghian   +5 more
doaj   +1 more source

روش‌های تجاری ‌ساخت کاتالیزگر‌های زیگلر-ناتا برای تولید پلی‌اتیلن: مروری بر ثبت‌اختراع‌ها [PDF]

open access: yesBaspārish, 2021
از بیش از شصت سال پیش تا کنون، سالانه هزاران ثبت­ اختراع و مقاله در باره روش‌های مختلف ساخت و مقایسه‌ خواص و عملکرد کاتالیزگر‌های زیگلر-ناتا منتشر شده است. با این حال، با بررسی دقیق این اسناد می‌توان قاطعانه گفت، روش‌های بنیادی و تجاری‌شده‌ ساخت این دسته
محمد حسین جندقیان   +5 more
doaj   +1 more source

In silico analysis, synthesis and biological evaluation of DHFR inhibitors [PDF]

open access: yesFolia Medica, 2021
Introduction: Malaria is one of the varieties of fatal diseases caused by a protozoan parasite that is now considered to be the greatest global health challenge. A parasite of Plasmodium species triggers it transmitting the disease to humans by the bites
Chaitali Lad   +6 more
doaj   +3 more sources

Changes in behavior patterns or demographic structure? Re-estimating the impact of higher education on the average age of the first marriage

open access: yesFrontiers in Psychology, 2023
During the last few decades, China implemented college enrollment expansion to accelerate the process of urbanization. However, most existing papers blaming that receiving higher education may delay people choosing to enter the age of first marriage ...
Ting Lai, Yiheng Huang, Jinwu Xiong
doaj   +1 more source

The impact of public health events on green economy efficiency in the context of environmental regulation

open access: yesFrontiers in Public Health, 2022
Public health crises have become one of the greatest threats to sustainable global economic development. It is therefore important to explore the impact of public health events on green economic efficiency. However, few studies have specifically examined
Jingnan Zhou   +3 more
doaj   +1 more source

The Social Impact from Danmu—Insights from Esports Online Videos

open access: yesJournal of Theoretical and Applied Electronic Commerce Research, 2023
An emerging online social interaction feature, Danmu, which overlays viewer comments on online videos, has become increasingly popular on video-sharing platforms.
Fan Li, Wenche Wang, Weiqing Lai
doaj   +1 more source

Recent advances in energy usage and environmental degradation: Does quality institutions matter? A worldwide evidence

open access: yesEnergy Reports, 2021
Environmental quality has become an important concern and topic of research recently in preceding studies. Several factors includes in environmental degradation such as the usage of energy from fossil fuels, releasing of high carbon dioxide, sulfur ...
Hayat Khan   +3 more
doaj   +1 more source

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