-
5201
Advanced Air Quality Forecasting Using an Enhanced Temporal Attention-Driven Graph Convolutional Long Short-Term Memory Model With Seasonal-Trend Decomposition
Published 2024-01-01“…Specifically, the IRSA-TCN model excels in predicting key pollutants, including nitrogen dioxide (NO2), carbon monoxide (CO), benzene, and nitrogen oxides (NOx), showcasing its capability to account for seasonal variations and complex interdependencies among pollutants. …”
Get full text
Article -
5202
Design and implementation of a solar powered kit for measurement and logging of environmental parameters using the SEN55 sensor
Published 2025-03-01“…The device measures particulate matter (PM1, PM2.5, PM4, PM10), humidity, temperature, volatile organic compounds (VOC), and nitrogen oxides (NOx), with data logged via an ATmega2560 microcontroller and displayed for real-time visualization. …”
Get full text
Article -
5203
Assessment of High-resolution Local Emissions and Land-use in Air Quality Forecasting at an Urban, Coastal, Desert Environment
Published 2022-04-01“…Abstract Fine particulate matter, ozone and nitrogen oxides are forecasted using a three-dimensional atmospheric meteorology-chemistry model (WRF-Chem) and a triple-nesting configuration over the Middle East and the Arabian Peninsula focusing on the hot desert climate of Qatar. …”
Get full text
Article -
5204
Synthesis and Characterization of Metal Particles Using Malic Acid-Derived Polyamides, Polyhydrazides, and Hydrazides
Published 2024-12-01“…The synthesized particles included both zero-valent metals and oxides exhibiting mixed-phase compositions that may influence their functional properties. …”
Get full text
Article -
5205
FERROMAGNETIC NANOTUBES IN PORES OF TRACK MEMBRANES FOR THE FLEXIBLE ELECTRONIC ELEMENTS
Published 2017-09-01“…The produced nanotubes consisted of iron, cobalt and nickel, respectively without oxides impurities. Nanotubes had a polycrystalline structure of walls with a body-centered cubic (iron), face-centered cubic (cobalt and nickel) crystal lattice. …”
Get full text
Article -
5206
Concentrations, Deposition, and Effects of Nitrogenous Pollutants in Selected California Ecosystems
Published 2001-01-01“…In southern California, most of the N air pollution is in oxidized forms as nitrogen oxides (NOx), nitric acid (HNO3), and particulate nitrate (NO3–) resulting from fossil fuel combustion and subsequent complex photochemical reactions. …”
Get full text
Article -
5207
Potential use of the Maroua (Far North, Cameroon) river sand as construction materials and degreasing agent for earthenware ceramics
Published 2025-01-01“…The coefficient of uniformity and coefficient of curvature varies from 2.39 to 3.37 and 0.40 to 0.99, respectively, so it can be classified as a tightly-grained material. The most abundant oxides in the five samples are SiO2, Al2O3, and K2O, while Fe2O3, MgO, TiO2, and P2O5 are in small amounts except for CaO and Na2O which are present in high amounts in NS1, and NS2 samples. …”
Get full text
Article -
5208
Experimental assessment of the gray cast iron production by inoculant injection
Published 2021-01-01“…After the injection, the FeSi of the inoculant melted quickly, releasing the elements of the inoculant which interacted with the molten iron and formed oxides and sulfides creating nucleating sites during solidification. …”
Get full text
Article -
5209
A Review of Ammonia Combustion and Emissions Characteristics in Spark-Ignition Engines and Future Road Map
Published 2024-12-01“…The formation of nitrogen oxides (NO<sub>x</sub>) and slip-NH<sub>3</sub> is explored to understand emissions species such as NO and N<sub>2</sub>O. …”
Get full text
Article -
5210
Characterization of Colombian Clay and Its Potential Use as Adsorbent
Published 2018-01-01“…The chemical analysis of bulk clay showed that the predominant oxides are SiO2 (55.81 wt%), Al2O3 (16.25 wt%), and Fe2O3 (7.51 wt%), and the nitrogen adsorption indicated that the bulk clay has a specific surface area of 45.1 m2/g. …”
Get full text
Article -
5211
Causal Effects of PM2.5, NOx, and NO2 on Cognitive Function: A Two-sample Mendelian Randomization Study
Published 2024-06-01“…The exposure factors in our analysis were air pollutants, including “particulate matter air pollution (PM2.5); 2010”, “nitrogen oxides air pollution; 2010” and “nitrogen dioxide air pollution; 2010”, while our outcome variables focused on cognitive function, including the “fluid intelligence score”, “mean time to correctly identify matches”, and “number of incorrect matches in the round”. …”
Get full text
Article -
5212
Nitrogen Management in a Maize-Groundnut Crop Rotation of Humid Tropics: Effect on N2O Emission
Published 2001-01-01“…Development of appropriate land management techniques to attain sustainability and increase the N use efficiency of crops in the tropics has been gaining momentum. The nitrous oxides (N2Os) affect global climate change and its contribution from N and C management systems is of great significance. …”
Get full text
Article -
5213
The real driving emissions characteristics of light-duty diesel vehicle in four typical cities with varying altitudes in China
Published 2025-03-01“…The emission factors of particle number (PN), nitrogen oxides (NOx), and carbon monoxide (CO) were calculated using the carbon dioxide (CO2) moving average window (MAW) method and compared across different altitudes and driving stages. …”
Get full text
Article -
5214
Study of the physico-chemical properties of composites obtained by mechanochemical synthesis of nanoscale hydroxyapatite and synthetic zeolites
Published 2024-12-01“…X-ray phase analysis of the initial synthetic zeolites indicates the loss of adsorbed and crystallization water and decomposition to complex aluminosilicate oxides of calcium and sodium during heat treatment at 1000 °C. …”
Get full text
Article -
5215
Molecular Design of Novel Chemicals for Iron Sulfide Scale Removal
Published 2021-01-01Get full text
Article -
5216
-
5217
L’espace domestique des migrants marocains : les extensions transnationales de l’intimité familiale
Published 2023-12-01“…Studying the interior design of their home, this paper questions the idea that migrants overinvest in their homeland housing in order to appear as a member of the local elite and hide the stigma of their working-class condition. …”
Get full text
Article -
5218
Major trends in a future South Africa and some implications for intercultural communication in marketing
Published 2022-11-01“…In many respects South Africa is moving in the opposite direction to other developed countries, but it can not hide from certain global influ ences, in particular the gathering world-wide concern about Environmental Conservation. …”
Get full text
Article -
5219
Colonialism and Historical Imagination
Published 2021-12-01“…Fluid pre-colonial social ‘identities’ were recast and calcified into hide-bound, immutable and toxic ethnicity that was invested with a separatist consciousness underwritten by corresponding differential economic livelihoods. …”
Get full text
Article -
5220
Anonymous survey system based on NIZK
Published 2016-12-01“…Aiming at the security problem that the existing in electronic surveys,such as information fraud,privacy security etc.An anonymous electronic survey scheme based on non-interactive zero knowledge proofs (NIZK) was constructed,which had the characteristics of self-organization,non-interactive,anti-replay,and high efficiency.The system uses the NIZK protocol and the Boneh-Boyen signature scheme to verify the user's identity in non-interactive manner,which guarantees the authenticity of the scheme.The system also uses the Pedersen commitment scheme and the pseudo random function to hide the user's identity and the related information,which guarantees the ano-nymity.Security analysis show that the system has security features such as malicious users attack resistance and anonymity.Finally,the function of the system was also verified and the result show that the system can accomplish all the functions correctly and guarantee the anonymity and authenticity of the system effectively.…”
Get full text
Article