Results 1 to 10 of about 75,967 (100)
IntroductionUrban human settlements' spatial network structures have emerged as crucial determinants impacting their health and sustainability. Understanding the influencing factors is pivotal for enhancing these settlements.
Rui Song +8 more
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Allocating vaccines to remote and on-site workers in the tradable sector
Vaccination may be the solution to the pandemic-induced health crisis, but the allocation of vaccines is a complex task in which ethical, economic and social considerations are important.
László Czaller +2 more
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Urban hierarchy and spatial diffusion over the innovation life cycle
Successful innovations achieve large geographical coverage by spreading across settlements and distances. For decades, spatial diffusion has been argued to take place along the urban hierarchy.
Eszter Bokányi +3 more
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Air Pollutants Sources in Winter in Chang-Zhu-Tan Region of China
In order to analyze the primary sources of air pollutants in Chang-Zhu-Tan region, this article selected the environmental monitoring data and meteorological data in the winter of 2019 to calculate the backward airflow trajectories with the Chang-Zhu-Tan
Yingfang Zhu +6 more
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Spatial Distribution of Exhalation Droplets in the Bus in Different Seasons
In closed buses, the spread of droplets with viruses/bacteria may cause the spread of respiratory infectious diseases. Discrete phase modeling is used to simulate the diffusion characteristics and concentration distribution of droplets at different ...
Wenzhu Duan +5 more
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This is an essay in the field of mineral processing engineering. In China, fluorite mainly exists in the form of concomitant deposits. In the flotation process, other useful minerals are usually preferentially floated, and a large amount of fluorite ...
Zhehui Yang +5 more
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Arsenic emission from coal combustion power plants has attracted increasing attention due to its high toxicity. In this study, it was found that there was a close relationship between the ash fusion temperature (AFT) and arsenic distribution based on the
Bo Zhao +5 more
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Inequality is rising where social network segregation interacts with urban topology
Not much is known about the joint relationships between social network structure, urban geography, and inequality. Here, the authors analyze an online social network and find that the fragmentation of social networks is significantly higher in towns in ...
Gergő Tóth +6 more
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Estimation of the unfrozen water content of saturated sandstones by ultrasonic velocity
The unfrozen water content (UWC) of rocks at low temperature is an important index for evaluating the stability of the rock engineering in cold regions and artificial freezing engineering.
Shibing Huang +3 more
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As a hazardous organic chemical raw material, Bisphenol A (BPA) has attracted a great deal of scientific and public attention. In this study, the chitosan functionalized halloysite nanotubes immobilized laccase (lac@CS-HNTs) was prepared by simultaneous ...
Zhaobo Wang +5 more
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