Role of Cylindrospermopsis sp. in vertical nitrogen changes observed in tropical oxidation wastewater treatment ponds by M. Srichomphu, O. Phewnil, T. Pattamapitoon, Ratcha Chaichana, K. Chunkao, W. Wararam, N. Dampin, P. Maskulrath

“…In the density of phytoplankton which were collected by measuring 20 liters of water and filtered using a 36-micron plankton net, calculated and counted under a high magnification microscope, as the species are classified according the taxonomy.FINDINGS: The results of the wastewater quality were as follows: the content of suspended solids was 65–81 milligram per liter, water temperature was 31.8–33.2°C, potential of hydrogen was 8.7–9.2, total nitrogen content was 4.0–5.3 milligram per liter, ammonium content was 0.03–0.06 milligram per liter, nitrate content was 0.09–0.12 milligram per liter, total phosphorus content was 0.9–1.3 milligram per liter, and phosphate content was 0.4–0.5 milligram per liter. …”
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Temperature Sensitivity Response of Soil Enzyme Activity to Simulated Climate Change at Growth Stages of Winter Wheat by Yaokun Jiang, Bingbing Lu, Meng Liang, Yang Wu, Yuanze Li, Ziwen Zhao, Guobin Liu, Sha Xue

“…Above-ground biomass, soil total dissolved nitrogen, and nitrate nitrogen were identified as the primary factors influencing soil C, N, and P cycling enzyme Q₁₀. …”
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Physicochemical dataset from Lima and Douro estuaries (Northwest Portugal)Zenodo by Vânia Freitas, C. Marisa R. Almeida, Sabrina M. Rodrigues, Rúben Pereira, Ana M. Gorito, Jacinto Cunha, Diogo M. Silva, Alexandre van Heerden, Sandra Ramos

“…The dataset includes: a) in-situ vertical profiles of water physicochemical parameters (temperature, salinity, pH, turbidity, dissolved oxygen concentration and saturation) collected at 8 sampling stations along the Lima estuary (during both ebb and flood tides) and at 11 stations along the Douro estuary (during flood tides); and b) chemical analyses data, including nutrients (nitrate, nitrite, phosphate, ammonium, and silica), chlorophyll a, total particulate matter, particulate organic matter, and key metal (copper, zinc, cadmium, iron, nickel, lead, manganese, and chromium) concentrations. …”
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Blending of Slow-Release N Fertilizer and Urea Improve Rainfed Maize Yield and Nitrogen Use Efficiency While Reducing Apparent N Losses by Jinjin Guo, Hanran Yang, Yong Yuan, Pengzhou Yin, Nv Zhang, Zhizhao Lin, Qichang Ma, Qiliang Yang, Xiaogang Liu, Haidong Wang, Fucang Zhang

“…A two-year field experiment with U (urea), S (slow-release N fertilizer), and SU (blending of S and U) under four N application levels (N1: 90 kg ha⁻¹, N2: 120 kg ha⁻¹, N3: 180 kg ha⁻¹, N4: 240 kg ha⁻¹) was conducted to investigate their effects on ammonia (NH₃) volatilization, residual soil nitrate N (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msubsup><mrow><mi mathvariant="normal">N</mi><mi mathvariant="normal">O</mi></mrow><mrow><mn>3</mn></mrow><mrow><mo>−</mo></mrow></msubsup><mo>-</mo><mi mathvariant="normal">N</mi></mrow></semantics></math></inline-formula>), yield, NUE, apparent N losses of rainfed maize. …”
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Effects of fine particulate matter and its chemical constituents on influenza-like illness in Guangzhou, China by Keyi Wu, Weidong Fan, Jing Wei, Jianyun Lu, Xiaowei Ma, Zelin Yuan, Zhiwei Huang, Qi Zhong, Yining Huang, Fei Zou, Xianbo Wu

“…Methods: Daily data on ILI cases, PM2.5 levels, and specific PM2.5 constituents (black carbon [BC], chlorine [Cl−], ammonia [NH4+], nitrate [NO3−], and sulfate [SO42−]) in Guangzhou, China, were collected for the period of 2014–2019. …”
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Marine sponge symbiotic bacterial bioremediation against heavy metal pollutants in tiger prawns; Penaeus monodon culture medium by I. Marzuki, I. Pratama, R. Asaf, A. Athirah, K. Nisaa, N. Nurbaya, M. Muslimin, N. Nurhidayah, S. Suwardi, A. Sahrijanna, K. Kamaruddin

“…The physical and chemical characteristics and parameters, such as dissolved organic matter, nitrite, nitrate, and ammonia contents, of the cultivation water were monitored over a 30-day period. …”
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Association between PM2.5 components and poor ovarian response in assisted reproductive technology patients: A retrospective cohort study identifying sensitive exposure windows in... by Rui-Ling Liu, Zhi-Lei Xu, Yu-Ling Hu, Xing-Yu Lv, Quan-Zi Yao, Jia-Liang He, Li-Juan Fu, Li-Hong Geng, Tong Wang, Zhao-Hui Zhong, Yi-Jian Zhu, Yu-Bin Ding

“…Environmental factors, particularly various components of fine particulate matter (PM2.5) (i.e., sulfate [SO42-], nitrate [NO3-], ammonium [NH4+], organic matter [OM] and black carbon [BC]), are increasingly recognized as potential risk factors for poor ovarian response (POR) in fertility treatments. …”
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Significant role of biomass burning in heavy haze formation in Nanjing, a megacity in China: molecular-level insights from intensive PM_2.5 sampling on winter hazy days by M. Kang, M. Kang, M. Bao, M. Bao, M. Bao, W. Song, W. Song, A. Abulimiti, A. Abulimiti, C. Wu, C. Wu, F. Cao, F. Cao, S. Szidat, Y. Zhang, Y. Zhang

“…Results show that organic matter was the predominant species, followed by nitrate (NO<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M5" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">3</mn><mo>-</mo></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="9pt" height="16pt" class="svg-formula" dspmath="mathimg" md5hash="8c72af1edd6d67ed562efcaf5163d22b"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-25-73-2025-ie00001.svg" width="9pt" height="16pt" src="acp-25-73-2025-ie00001.png"/></svg:svg></span></span>). …”
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Long-term exposure to PM2.5 and its constituents and visual impairment in schoolchildren: A population-based survey in Guangdong province, China by Jia-Hui Li, Hui-Xian Zeng, Jing Wei, Qi-Zhen Wu, Shuang-Jian Qin, Qing-Guo Zeng, Bin Zhao, Guang-Hui Dong, Ji-Chuan Shen, Xiao-Wen Zeng

“…Methods: We conducted a large cross-sectional population-based study to recruit 59,054 schoolchildren from four cities in Guangdong province, China, and used the ChinaHighAirPollutants (CHAP) dataset to estimate 3-year average concentrations of PM2.5 and its constituents (black carbon (BC), organic matter (OM), nitrate (NO3–), sulfate (SO42−) and ammonium (NH4+)) based on individuals’ home addresses. …”
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ارزیابی شاخص مرکب DRASTIC و شاخص آسیب‌پذیری نیترات در آلودگی منابع آب زیرزمینی، مطالعه موردی: آبخوان دشت کرمان-باغین... by علی بختیاری زاده, محمد نجف زاده, صدیقه محمدی

“…لذا، در پژوهش حاضر نیز از پارامترهای کاربری اراضی و خطر بالقوه مرتبط با کاربری اراضی به‌ترتیب برای محاسبه شاخص DRASTIC مرکب یا Composite DRASTIC (CD) و شاخص آسیب‌پذیری نیترات (Nitrate Vulnerability Index) استفاده شد. شاخص CD با اضافه کردن پارامتر کاربری اراضی به شاخص DRASTIC و شاخص NVI، با ضرب نقشه رستر رتبه‌بندی خطر بالقوه مرتبط با کاربری اراضی در شاخص DRASTIC، به‌دست آمد. …”
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Improving the hydrological consistency of a process-based solute-transport model by simultaneous calibration of streamflow and stream concentrations by J. Salmon-Monviola, O. Fovet, M. Hrachowitz

“…The aim of this study was to test whether simultaneous calibration of dissolved organic carbon (DOC) and nitrate (NO<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M1" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">3</mn><mo>-</mo></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="9pt" height="16pt" class="svg-formula" dspmath="mathimg" md5hash="5c4cefaf8b78d41c1ce2f2ef151f712f"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="hess-29-127-2025-ie00001.svg" width="9pt" height="16pt" src="hess-29-127-2025-ie00001.png"/></svg:svg></span></span>) concentrations along with streamflow improved the hydrological consistency of a parsimonious solute-transport model. …”
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Investigating the hatchability and nauplii biometry of Artemia franciscana in unconventional waters of Sistan region, Southeast Iran by Hashem Khandan Barani, Abdolali Rahdari, Narjes Sanchooli, Ali Khosravanizadeh

“…Water quality parameters including temperature, pH, salinity, ammonia, nitrate, nitrite, sulfate, hardness, Cl, Mg and Cu were recorded using standard methods during the experiment. …”
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Upper-tropospheric pollutants observed by MIPAS: geographic and seasonal variations by N. Glatthor, G. P. Stiller, T. von Clarmann, B. Funke, S. Kellmann, A. Linden

“…<p>We present a global climatology of upper-tropospheric hydrogen cyanide (HCN), carbon monoxide (CO), acetylene (<span class="inline-formula">C₂H₂</span>), ethane (<span class="inline-formula">C₂H₆</span>), peroxyacetyl nitrate (PAN), and formic acid (HCOOH) obtained from observations of the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) on board the Environmental Satellite (Envisat) between 2002 and 2012. …”
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Nitrification and denitrification in pond by Yuni Puji Pujihastuti

“…Nitrogen anorganic consist of ammonia, ammonium, nitrit, nitrat and nitrogen. Degradation of process metabolic biota culture waste can biologically be nitrat compound one of the forms that are not toxic in the nitrification process.  …”
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Contamination of Legionella pneumophila in metro cooling tower water and its influencing factors in a city by Rong PENG, Bin SHI, Huaiji WANG, Junling LIU, Fang WANG

“…Total dissolved solids, conductivity, nitrates, sulfates, and free residual chlorine are the major influencing factors for positive Legionella pneumophila, and nitrates, sulfates, and free residual chlorine are the major influencing factors for the concentration of Legionella pneumophila.…”
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Pharmacological Management of Esophageal Food Bolus Impaction by Yasir Mohammed Khayyat

“…Several agents were identified including Buscopan, Glucagon, nitrates, calcium channel blockers, and papaveretum. …”
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Nutrient removal efficiency by floating macrophytes; Lemna minor and Azolla pinnata in a constructed wetland by F.M. Muvea, G.M. Ogendi, S.O. Omondi

“…The concentrations of nitrites and nitrates increased over the experimental period in all the treatments (<em>Azolla pinnata</em>,<em> Lemna minor</em> and control), and the increase between the sampling occasions was statistically significant for the two nutrients (Nitrates: F=24.78, P= 0.00; Nitrates: F=198.26, P= 0.00). …”
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Groundwater quality and associated health risks in the Eastern Region of Ghana by Thomas Acquah, Miriam Appiah-Brempong, Geophrey Kwame Anornu

“…Non-carcinogenic health risk to infants, children and adults through nitrates, iron, manganese and fluorides ingestion was also assessed. …”
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ACTIVITY OF NITRO-OXIDATIVE PROCESSES IN PREGNANT WOMEN WITH IDIOPATHIC ARTERIAL HYPOTENSION by Leonid Markin, Olena Popovych, Alla Popovych

“…The concentration of the complex of nitrates and nitrites was determined by the reaction of formation of a colored complex by Griss reagent. …”
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Water Nutrition and Quality Considerations for Cattle by Matt Hersom, Sonja Crawford

“… AN-195, a 4-page factsheet by Matt Hersom and Sonja Crawford, discusses water quality management issues for cattle, how to estimate water intake, quality factors such as pH, salinity, nitrates and nitrites, and contaminants and toxic elements. …”
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