Abstract Humic substances dissolved in "black water, white water, and clear water" rivers of the Amazon River basin were compared were humic substances found in podzolic (spodic) and latosolic (oxic) soils of the Amaon region.Humic-type organic solutes in black water originated from organic matter decomposition and ground water drainage from podzol
The article presents the essence and role of the sharing economy.Sharing economy owe its rapid development in recent Dab Tools years, the fast development of technologies like social communications, mobile technologies and portals supporting direct cooperation of people.The article presents the role of youth as current and future prosumers in
The growing popularity of location-based services is giving untrusted servers relatively free reign to collect huge amounts of location information from mobile users.This information can reveal far more than just a user’s locations but other sensitive information, such as the user’s interests or daily routines, which raises strong pri
Abstract As a crucial digital general-purposed technology (DGPT) in the current digital economy era, the rapid development of mobile Internet technology not only promotes the digital upgrading of the economy, but has a profound impact on firm labor demands.Based on microdata from China’s listed companies and macrodata from prefecture-level cities
Background: The progression and severity of COVID-19 vary significantly in the population.While the hallmarks of SARS-CoV-2 and severe COVID-19 within routine laboratory parameters are emerging, the impact of sex and age on these profiles is still unknown.Methods: A multidimensional analysis was performed involving millions of records of laboratory