Developing an activated biochar-mineral supplement for reducing methane formation in anaerobic fermentation by Sara Tahery, Mariano C. Parra, Paul Munroe, David R. G. Mitchell, Sarah J. Meale, Stephen Joseph

“…The supplement was then activated using peracetic and propionic acids, and potassium nitrate. The activated biochar-mineral supplement was characterized using analytical techniques. …”
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Exogenous nitric oxide relieves iron-inhibitory effect on wheat seed germination by Shuqian Shi, Zhe Zhang, Rongrong Ma, Yihui Tao, Ziling Wang, Yingli Yang

“…Additionally, Fe and PTIO treatments reduced endogenous NO levels, increased starch, sucrose, and soluble sugar contents, induced oxidative stress, suppressed antioxidant enzymes, and downregulated nitrate reductase, NO synthase, and amylase activities. …”
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Evaluating the Impacts of Discharging the Effluent of Al-Gabal Al-Asfar Wastewater Treatment Plant on Ismailia Canal in Egypt to Maximize Revenue and Ensure Sustainability by Marwa M Aly, Mohamed SM Zayed, Mahmoud S Salem, Mohamed K Mostafa

“…The HECRAS 1D model is employed to model water quantity, whereas the QUAL2K model is applied to assess the water quality parameters including dissolved oxygen (DO), pH, biological oxygen demand (BOD), chemical oxygen demand (COD), total phosphorus (TP), nitrate nitrogen (NO 3 -N), and ammonium (NH 4 -N). …”
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Fine Particle pH and its Impact on PM2.5 Control in a Megacity of Central China by Mingming Zheng, Ke Xu, Lianxin Yuan, Nan Chen, Menghua Cao

“…The pH has opposite influences on the effect of SO2 and NOx control in reducing PM2.5, the former being more effective at low pH and the latter being more effective at high pH due to ammonium and nitrate gas-particle partitioning. The effect of NHx control on PM2.5 reduction is nonlinearly affected by pH. …”
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Hydrochemistry of a Tropical harbor: Influence of Industrial and Municipal inputs by Balogun Kayode James, Ladigbolu Ismail Adejare, Olaji Ebenezer Dayo

“…Surface water of the Harbour was characterized by fairy constant temperature with a range of ( 25.67 – 28.33oC), alkaline pH (7.70 – 8.42mg/l), brackish salinity (7.00 – 22.47PSU), BOD5 and COD values of (0.80 – 3.33mg/l) and (6.10 – 11.30mg/l) respectively, total dissolved solids(6.00 – 19.00mg/l), dissolved oxygen content (4.13 – 7.60mg/l) which fell below FEPA limit of 10mg/l, alkalinity (8.00 – 15.33mg/l), low Nitrate value (0.08 – 0.12mg/l), moderately high Phosphate (0.57 – 1.60mg/l), high Silicate values (1.27 – 9.23mg/l), moderate concentration of heavy metals salts such as Cr (0.03 – 0.60mg/l), Pb (0.22 – 0.61mg/l), Cd (nd – 0.02mg/l, Fe (0.67 – 1.41mg/l) and high Cu values (4.53 – 5.55mg/l). …”
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Assessing the effect of deposited bitumen or asphaltenes on the nitrification process in the north saskatchewan river sediment by Nayereh Saborimanesh, Patricia Q. Tran, Md Hosnay Mobarok

“…A comparison of the unexposed NH3-enriched sediment (Ctl) and Bit-exposed NH3-enriched sediment showed that exposure of nitrifying communities did not affect ammonia oxidation but decreased nitrite (50 %) and nitrate (30 %) production. Additionally, the sedimentary microbial community composition altered from its initial composition to a new profile post-exposure to Asp or Bit. …”
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Assessment of Physicochemical Characteristics of Produced Water from Terminals of Some Oil Industry Facilities in Nigeria by CC Obunwo, C Chukwudi

“…The levels of the nutrient characteristics of nitrate, phosphate and sulphate ranged as  follows: NO3 - (1.90 ± 1.16mg/l – 2.50 ± 0.26mg/l); PO4 3- (0.52 ± 0.12mg/l – 1.07 ± 0.12mg/l) and SO4 2- (14.40 ± 4.57mg/l – 21.70 ± 2.75mg/l). …”
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Study on the Influence of Regional Transportation on PM2.5 Based on the RAMS-CMAQ Model in Weihai, a Typical Coastal City of Northern China by Wentao Ning, Zhiwen Xing, Min Wei, Mingyan Li, Meigen Zhang, Houfeng Liu

“…The proportion of long-range transportation of nitrate had the highest value, and the contribution of regional transportation outside Weihai was 87.5–92.5% and 88.2–91.7%, followed by sulfate, which was 67.9–80.6% and 80.8–86.2%, and the proportion of ammonium salt is the lowest, contributed for 38.8–70.8% and 41.1–71.9% in February and March, respectively. …”
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Implications of the Improvement in Atmospheric Fine Particles: A Case Study of COVID-19 Pandemic in Northern Taiwan by Chuan-Hsiu Huang, Yi-Ru Ko, Tzu-Chi Lin, Yu-Hsiang Cheng, Yu-Cheng Chen, Yu-Chieh Ting

“…Moreover, 6 sources of PM2.5 were identified by positive matrix factorization (PMF), in which secondary nitrate (i.e., aging traffic aerosols) exhibited the most significant decrease and yet primary traffic-related emissions, dominated by carbonaceous matter, changed insignificantly. …”
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Satellite-based Emission Inventory Adjustments Improve Simulations of Long-range Transport Events by Wei-Syun Huang, Stephen M. Griffith, Yi-Chun Lin, Ying-Chieh Chen, Chung-Te Lee, Charles C.-K. Chou, Ming-Tung Chuang, Sheng-Hsiang Wang, Neng-Huei Lin

“…For the 2018 event, non sea-salt sulfate concentrations were consistently underpredicted (0.2–0.4), while nitrate concentrations were overpredicted by up to factor of 11. …”
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Spatial and seasonal distribution of selected nitrogen cycle genes in deep waters of the Baltic Proper by Michał Grabski, Michał Grabski, Ewa Kotlarska, Aneta Łuczkiewicz, Konrad Hryniewicz, Grzegorz Węgrzyn, Beata Szymczycha

“…Therefore, in this study, we investigated the seasonal and spatial structure of microbial community abundance involved in the nitrogen loss (denitrification, anammox), reduction processes (dissimilatory nitrate reduction (DNR), dissimilatory nitrite reduction to ammonium (DNRA), and oxidation process (nitrification) in the Baltic Proper (Bornholm Deep, Gdańsk Deep, and Gotland Deep). …”
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Metabolic redundancy and specialisation of novel sulfide-oxidizing Sulfurimonas and Sulfurovum along the brine-seawater interface of the Kebrit Deep by Rayyan Alamoudi, Alan Barozzi, Grégoire Michoud, Marc W. Van Goethem, Charlene Odobel, Yue Chen, Ramona Marasco, Daniele Daffonchio

“…Their energy generation processes include aerobic or anaerobic-nitrate-dependent sulfide oxidation, as well as hydrogen oxidation. …”
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Aircraft Measurements of Physicochemical Evolution of Atmospheric Aerosols in Air Pollution Plumes over a Megacity and Suburban Areas by Taehyun Park, Yongjoo Choi, Jinsoo Choi, Junyoung Ahn, Jinsoo Park, Yonghwan Lee, Jihee Ban, Gyutae Park, Seokwon Kang, Kyunghoon Kim, Beom-Keun Seo, Jongho Kim, Soobog Park, Hyunjae Kim, HaEun Jeon, Taehyoung Lee

“…The other profile, which was assessed during a separate flight, exhibited sharp increases in the OA number concentration and mean diameter, less oxidized organic content, and higher organic and nitrate concentrations above 1400 m, indicating high-altitude transport and a cleaner boundary layer. …”
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Chemical Composition Characteristics and Source Apportionment of PM2.5 in Ceramic Industrial Base during Winter by Xiang Tu, Xiaozhen Fang, Hansun Fang, Changlin Ye, Zugen Liu, Xuehui Jia, Dan He, Jinliang Wang, Hong Huang, Changwei Zou, Chenglong Yu

“…The dominant components in the PM2.5 at this sampling site were found to be secondary ions (sulfate and nitrate) and carbon fractions. Water-soluble ions and total carbon contributed about 48.7% and 13.9% of the PM2.5 mass, respectively. …”
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Trends in Air Pollution in Europe, 2000–2019 by Wenche Aas, Hilde Fagerli, Andres Alastuey, Fabrizia Cavalli, Anna Degorska, Stefan Feigenspan, Hans Brenna, Jonas Gliß, Daniel Heinesen, Christoph Hueglin, Adéla Holubová, Jean-Luc Jaffrezo, Augustin Mortier, Marijana Murovec, Jean-Philippe Putaud, Julian Rüdiger, David Simpson, Sverre Solberg, Svetlana Tsyro, Kjetil Tørseth, Karl Espen Yttri

“…Similarly, oxidized nitrogen species have markedly decreased across Europe, with an annual reduction of 1.5–2% in nitrogen dioxide concentrations, total nitrate in the air, and oxidized nitrogen deposition. …”
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Biosynthesis of a range of ZnO nanoparticles utilising Salvia hispanica L. seed extract and evaluation of their bioactivity by Kiran Singh, Shweta Yadav

“…The study synthesized the diverse forms of zinc oxide nanoparticles (NP-α, NP-β, NP-γ, NP-δ, NP-ε, and NP-η) utilising various molar concentrations (0.5mM, 1.0mM, 3.0mM, 5.0mM, 7.0mM, and 9.0mM) of a precursor solution, zinc nitrate [(ZnNO3)2]. The synthesized NPs were evaluated using UV-Vis spectroscopy, FTIR spectroscopy, XRD, SEM, EDX, TEM, SAED, and HR-TEM methods to determine their characteristics. …”
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Green tea silver nanoparticles improve physiological motor and cognitive function in BALB/c mice during inflammation by Herbert Izo, Ninsiima, Ejike, Daniel Eze, Kenneth, Ssekatawa, Halima, Nalugo, Caroline, Asekenye, David, Onanyang, Edson Ireeta, Munanura, Moses, Ariong, Kevin, Matama, Gerald, Zirintunda, Ngala Elvis, Mbiydzenyuy, Fred, Ssempijja, Adam Moyosore, Afodun, Ibe Michael, Usman, Oscar Hilary, Asiimwe, Julius, Tibyangye, Keneth Iceland, Kasozi

“…In this study, green tea silver nitrate nanoparticles were characterized and the extract were made up to constitute high (100%), medium (10%), and low (1%) concentrations for administration. …”
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Apportioning and Locating PM2.5 Sources Affecting Coastal Cities: Ulsan in South Korea and Dalian in China by Eunhwa Choi, Kwonho Jeon, Young Su Lee, Jongbae Heo, Ilhan Ryoo, Taeyeon Kim, Chuanlong Zhou, Philip K. Hopke, Seung-Muk Yi

“…In Ulsan, three sources (secondary nitrate [SN], secondary sulfate [SS], and traffic) contributed ~83.0% of the PM2.5 mass concentration (23.7 µg m–3) during the heating period. …”
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Edaphic factors mediate the response of nitrogen cycling and related enzymatic activities and functional genes to heavy metals: A review by Tracy Opande, Mengru Kong, Di Feng, YuHong Wen, Nathan Okoth, Ali Mohd Yatoo, Fatma Mohamed Ameen Khalil, Ahmed S. Elrys, Lei Meng, Jinbo Zhang

“…This review examines how different HMs affect soil N processes, including N fixation, mineralization, nitrification, denitrification, dissimilatory nitrate reduction to ammonium (DNRA), and immobilization, as well as microbial activities and functional genes related to soil N transformations. …”
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Balancing legume-cereal proportions in cover crop mixtures to minimize N2O emissions by Guillermo Guardia, Diego Abalos, Emanuele Ribatti, Federico Ardenti, Federico Capra, Giacomo Mortella, Vincenzo Tabaglio, Miguel Ángel Ibáñez, Ji Chen, Andrea Fiorini

“…Legume-cereal cover crop mixtures offer a promising approach to reduce nitrate leaching and enhancing soil fertility. However, the impacts of these mixtures on N2O emissions during both the cover cropping and post-incorporation phases, as well as the relative contribution of roots and shoots to N2O emission, remain uncertain. …”
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