Results 21 to 30 of about 746,655 (293)

Synthesis of Mg–K-biochar bimetallic catalyst and its evaluation of glucose isomerization

open access: yesBiochar, 2023
Highly efficient isomerization of glucose to fructose is essential for valorizing cellulose fraction of biomass to value-added chemicals. This work  provided an innovative method for preparing Mg-biochar and Mg–K-biochar catalysts by impregnating either ...
Xiheng Kang   +7 more
doaj   +1 more source

Biomass burning and pollution aerosol over North America: Organic components and their influence on spectral optical properties and humidification response [PDF]

open access: yes, 2007
Thermal analysis of aerosol size distributions provided size resolved volatility up to temperatures of 400°C during extensive flights over North America (NA) for the INTEX/ICARTT experiment in summer 2004.
Anderson, B   +10 more
core   +2 more sources

Using all-sky differential photometry to investigate how nocturnal clouds darken the night sky in rural areas

open access: yes, 2019
Artificial light at night has affected most of the natural nocturnal landscapes worldwide and the subsequent light pollution has diverse effects on flora, fauna and human well-being. To evaluate the environmental impacts of light pollution, it is crucial
Hölker, Franz   +2 more
core   +2 more sources

The night sky brightness at Potsdam-Babelsberg

open access: yes, 2013
We analyze the results of a 2 years (2011--2012) time series of night sky photometry performed at the Leibniz Institute for Astrophysics in Potsdam (AIP).
Posch, Thomas   +3 more
core   +1 more source

The Relative Contributions of Different Wheat Leaves to the Grain Cadmium Accumulation

open access: yesToxics, 2022
In the context of increasing atmospheric particles pollution, wheat cadmium (Cd) pollution caused by atmospheric deposition in agro-ecosystems has attracted increasing attention.
Chuang Ma   +3 more
doaj   +1 more source

Light Pollution

open access: yes, 2013
Light pollution is one of the fastest growing and most pervasive of environmental pollution (Chepesiuk, 2009). In the last couple of years, a lot of research has been done about the effects of light pollution. The interest in light pollution has been growing in many fields of science, extending from the traditional field of astronomy to atmospheric ...
Lechner, Stefan, Arns, Marieke
  +4 more sources

Light Pollution and Smart Outdoor Lighting

open access: yesBalkan Journal of Electrical and Computer Engineering, 2021
With the developing technology and increasing urbanization, many problems have started to arise in the use of energy resources and in our natural environment. Energy-saving constitutes the main purpose of any proposed smart system. In addition, environmental effects should be taken into consideration.
Zehra KARAGÖZ KÜÇÜK, Nazmi EKREN
openaire   +3 more sources

Air Pollution and the Risk and Progression of Multiple Sclerosis: A Systematic Review and Meta‐Analysis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Purpose Air pollution has been linked to several neurological conditions, including stroke and neurodegenerative diseases. Evidence regarding its association with multiple sclerosis (MS) remains conflicting, limited by small sample sizes. Methods PubMed, Embase, Scopus, and Cochrane controlled register of trials (CENTRAL) were searched on ...
Ahmad A. Toubasi, Thuraya N. Al‐Sayegh
wiley   +1 more source

Triboelectric tactile sensor for pressure and temperature sensing in high-temperature applications

open access: yesNature Communications
Skin-like sensors capable of detecting multiple stimuli simultaneously have great potential in cutting-edge human-machine interaction. However, realizing multimodal tactile recognition beyond human tactile perception still faces significant challenges ...
Yanhua Liu   +11 more
doaj   +1 more source

Improvement in calcified anaerobic granular sludge performance by exogenous acyl-homoserine lactones

open access: yesEcotoxicology and Environmental Safety, 2021
Given the high content of Ca2+ in waste paper recycling wastewater, the anaerobic granular sludge (AnGS) undergoes calcification during wastewater treatment and affects the treatment efficiency.
Meiling Li   +7 more
doaj   +1 more source

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