Showing 50,501 - 50,520 results of 51,444 for search '"nitrogen"', query time: 0.29s Refine Results
  1. 50501

    Evaluating the potential footprints of land use and land cover and climate dynamics on atmospheric pollution in Pakistan by Adil Dilawar, Adil Dilawar, Baozhang Chen, Baozhang Chen, Baozhang Chen, Zia Ul-Haq, Shahbaz Ali, Shahbaz Ali, Meer Muhammad Sajjad, Meer Muhammad Sajjad, Fang Junjun, Fang Junjun, Twekel M. Gemechu, Twekel M. Gemechu, Man Guo, Hamza Dilawar, Huifang Zhang, Huifang Zhang, Zheng Zicheng, Zheng Zicheng, Ehtisham Lodhi, Ehtisham Lodhi

    Published 2024-02-01
    “…The MK test showed that the north and west–south regions significantly experienced air pollution, with the increasing trend for nitrogen dioxide (NO2) and sulfur dioxide (SO2) being 0.89× 1015 molecules/cm2 per year and 0.54 DU/year, respectively. …”
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  2. 50502

    Alpine wetland degradation reduces carbon sequestration in the Zoige Plateau, China by Ao Yang, Ao Yang, Ao Yang, Xiaoming Kang, Xiaoming Kang, Xiaoming Kang, Yong Li, Yong Li, Yong Li, Xiaodong Zhang, Xiaodong Zhang, Xiaodong Zhang, Kerou Zhang, Kerou Zhang, Kerou Zhang, Enze Kang, Enze Kang, Zhongqing Yan, Zhongqing Yan, Zhongqing Yan, Meng Li, Meng Li, Meng Li, Xiaodong Wang, Xiaodong Wang, Xiaodong Wang, Yuechuan Niu, Liang Yan, Liang Yan, Liang Yan

    Published 2022-08-01
    “…Wetland degradation significantly reduced soil water content (SWC), soil organic carbon (SOC), microbial biomass carbon (MBC), and microbial biomass nitrogen (MBN). NEE was significantly correlated with MBC and MBN, while ER was positively correlated with ST but negatively correlated with SOC (P < 0.01). …”
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  3. 50503

    What controls ozone sensitivity in the upper tropical troposphere? by C. M. Nussbaumer, H. Fischer, J. Lelieveld, J. Lelieveld, A. Pozzer, A. Pozzer

    Published 2023-10-01
    “…Therefore, observing and understanding the processes contributing to ozone production are important for monitoring the progression of climate change. Nitrogen oxides (NO<span class="inline-formula"><sub><i>x</i></sub></span> <span class="inline-formula">≡</span> NO <span class="inline-formula">+</span> NO<span class="inline-formula"><sub>2</sub></span>) and volatile organic compounds (VOCs) are two main tropospheric precursors to ozone formation. …”
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  4. 50504

    Efecto del ensilaje de avena sobre la productividad de vacas lactantes en Nariño-Colombia / Effect Of Oat Silage On Lactanting Cow In Nariño-Colombia by Juan Leonardo Cardona–Iglesias, Edwin Castro–Rincón, Martín Valenzuela–Chiran, Filadelfo Hernández–Oviedo, Yesid Avellaneda–Avellaneda

    Published 2020-06-01
    “…Each period consisted of 12 days (d), 5 d for rest and 7 d for measurement, milk was measured during the 12 d and the last 3 d were collected in milking milk/animal samples, it was evaluated: milk production liters (L)/day (d) (PL); %protein (P), %fat (G), %total solids (ST) and urea nitrogen in milk (MUN milligrams (mg) / deliciters (dL)). …”
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  5. 50505

    Composited analyses of the chemical and physical characteristics of co-polluted days by ozone and PM<sub>2.5</sub> over 2013–2020 in the Beijing–Tianjin–Hebei region by H. Dai, H. Liao, K. Li, X. Yue, Y. Yang, J. Zhu, J. Jin, B. Li, X. Jiang

    Published 2023-01-01
    “…Model results showed that, when O<span class="inline-formula"><sub>3</sub></span>–PM<span class="inline-formula"><sub>2.5</sub></span>PDs occurred, the concentrations of hydroxyl radical and total oxidant, sulfur oxidation ratio, and nitrogen oxidation ratio were all high, and the concentrations of sulfate at the surface were the highest among all pollution types. …”
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  6. 50506

    Diverse Methylmercury (MeHg) Producers and Degraders Inhabit Acid Mine Drainage Sediments, but Few Taxa Correlate with MeHg Accumulation by Jin Zheng, Jie-Liang Liang, Pu Jia, Shi-wei Feng, Jing-li Lu, Zhen-hao Luo, Hong-xia Ai, Bin Liao, Jin-tian Li, Wen-sheng Shu

    Published 2023-02-01
    “…Most of the members of these taxa were characterized by their metabolic potential for nitrogen fixation and copper tolerance. Overall, these findings improve our understanding of the ecology of MeHg-metabolizing microorganisms and likely have implications for the development of management strategies for the reduction of MeHg accumulation in the AMD sediments. …”
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  7. 50507

    Nutrient dynamics and coupling with biological processes and physical conditions in the Bohai Sea by Wen Liang, Wen Liang, Yun Wang, Yun Wang, Sumei Liu, Sumei Liu, Mengxue Wang, Mengxue Wang, Liang Zhao, Chongcong Liu, Chongcong Liu, Xiaotong Zhang, Xiaotong Zhang, Nian Wu, Nian Wu, Lingyan Wang, Lingyan Wang, Dongdong Zhu, Dongdong Zhu, Dongdong Zhu, Yuwei Ma, Yuwei Ma, Chang Luo, Chang Luo

    Published 2022-12-01
    “…Relative phosphorus limitation was present in Laizhou Bay and its surrounding area in all seasons, while relative silicon limitation was evident in spring and relative nitrogen limitation was significant in summer in most other study aeras. …”
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  8. 50508

    Increasing the prepartum dose of rumen-protected choline: Effects on milk production and metabolism in high-producing Holstein dairy cows by H.T. Holdorf, S.J. Kendall, K.E. Ruh, M.J. Caputo, G.J. Combs, S.J. Henisz, W.E. Brown, T. Bresolin, R.E.P. Ferreira, J.R.R. Dorea, H.M. White

    Published 2023-09-01
    “…During the early lactation SP, RPC2HD▸RD tended to increase plasma fatty acids and β-hydroxybutyrate concentrations, and RPC1RD▸RD and RPC2RD▸RD reduced blood urea nitrogen concentrations compared with CTL. The RPC2HD▸RD treatment reduced early lactation serum lipopolysaccharide binding protein compared with CTL. …”
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  9. 50509
  10. 50510

    WGCNA analysis revealing molecular mechanism that bio-organic fertilizer improves pear fruit quality by increasing sucrose accumulation and reducing citric acid metabolism by Zhonghua Wang, Zhonghua Wang, Han Yang, Yanwei Ma, Gaofei Jiang, Xinlan Mei, Xiaogang Li, Qingsong Yang, Jialiang Kan, Yangchun Xu, Tianjie Yang, Jing Lin, Caixia Dong

    Published 2022-10-01
    “…The three treatments were conducted based on the same amounts of nitrogen supply. The results showed that compared with CF, BF and OF treatments increased the fruit yield, and also significantly improved the photosynthesis efficiency in pear. …”
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  11. 50511

    Short-term variability of atmospheric helium revealed through a cryo-enrichment method by B. Birner, E. Morgan, R. F. Keeling

    Published 2023-03-01
    “…Here, we present the development of an improved gas delivery and purification system for the semi-continuous mass spectrometric measurement of the atmospheric <span class="inline-formula">He</span>-to-nitrogen ratio (<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M8" display="inline" overflow="scroll" dspmath="mathml"><mrow class="chem"><mi mathvariant="normal">He</mi><mo>/</mo><msub><mi mathvariant="normal">N</mi><mn mathvariant="normal">2</mn></msub></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="35pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="269f5ce6c5ddaee06cc46a97dbf56995"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="amt-16-1551-2023-ie00001.svg" width="35pt" height="14pt" src="amt-16-1551-2023-ie00001.png"/></svg:svg></span></span>). …”
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  12. 50512
  13. 50513

    Risk Stratification in Post-ERCP Pancreatitis: How Do Procedures, Patient Characteristics and Clinical Indicators Influence Outcomes? by Kapil Kohli, Hrishikesh Samant, Kashif Khan, Sudha Pandit, Kelli Morgan, Urska Cvek, Phillip Kilgore, Marjan Trutschl, Eleni Mijalis, Paul Jordan, James Morris, Moheb Boktor, Jonathan Steven Alexander

    Published 2021-02-01
    “…After analyzing the risk factors based on race and gender-based groups, Caucasian males with PEP are more likely to have prior history of pancreatitis (<i>p</i> = 0.009), lower hemoglobin (<i>p</i> = 0.02)/blood urea nitrogen (BUN) (<i>p</i> = 0.01)/creatinine before ERCP (<i>p</i> = 0.07) and lower BUN (<i>p</i> = 0.01)/creatinine after ERCP (<i>p</i> = 0.07), while Caucasian females with PEP are more likely to have higher white blood cell (WBC) count before ERCP (<i>p</i> = 0.08) and lower amylase (<i>p</i> = 0.10)/bilirubin (<i>p</i> = 0.09)/aspartate aminotransferase (AST) after ERCP (<i>p</i> = 0.08). …”
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  14. 50514

    Comparative Analysis of Feature Importance Algorithms for Grassland Aboveground Biomass and Nutrient Prediction Using Hyperspectral Data by Yue Zhao, Dawei Xu, Shuzhen Li, Kai Tang, Hongliang Yu, Ruirui Yan, Zhenwang Li, Xu Wang, Xiaoping Xin

    Published 2024-02-01
    “…The primary objective was to identify key spectral bands for estimating forage dry matter yield (DMY), nitrogen content (NC), neutral detergent fiber (NDF), and acid detergent fiber (ADF) using principal component analysis (PCA), random forests (RF), and SHapley Additive exPlanations (SHAP) analysis methods, and then the RF and Extra-Trees algorithm (ERT) model was used to predict aboveground biomass (AGB) and nutrient parameters using the optimized spectral bands and vegetation indices. …”
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  15. 50515

    Effects of different soil management strategies on fertility and crop productivity in acidic nitisols of Central Highlands of Kenya by Erick O. Otieno, David M. Mburu, Felix K. Ngetich, Milka N. Kiboi, Andreas Fliessbach, Florence K. Lenga

    Published 2023-04-01
    “…Managing soil fertility, especially nitrogen (N) and phosphorus (P), to sustain increased crop productivity is a complex challenge, especially in cultivated Nitisols. …”
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  16. 50516

    Insights into the reduction of antibiotic-resistant bacteria and mobile antibiotic resistance genes by black soldier fly larvae in chicken manure by Zhengzheng Zhao, Chongrui Yang, Bingqi Gao, Yushi Wu, Yue Ao, Shiteng Ma, Núria Jiménez, Longyu Zheng, Feng Huang, Jeffery K. Tomberlin, Zhuqing Ren, Ziniu Yu, Chan Yu, Jibin Zhang, Minmin Cai

    Published 2023-11-01
    “…Further analysis suggested that antagonism of other bacteria on ARB increased by 1.4 times, while nutrient competition on both total nitrogen and crude fat increased by 2.8 times. Overall, these findings provide insight into the mechanistic understanding of ARB reduction during BSFL treatment of chicken manure and provide a strategy for rapidly mitigating ARB in animal manure.…”
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  17. 50517
  18. 50518

    The Effects of Different Biological Additives on Chemical Composition and Fermentation Characteristics of Corn Silage by Akbar Taghizadeh, Elnaz Moradi, Hamid Mohammadzade, Maghsoud Besharati

    Published 2022-05-01
    “…Dry matter, organic matter, crude protein, insoluble fiber in acidic and neutral detergent, lactic acid content, water soluble carbohydrate, ammonia nitrogen concentration and total volatile fatty acids, pH were measured with 3 replicates. …”
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  19. 50519

    Targeting pyroptosis as a preventive and therapeutic approach for stroke by Junpeng Long, Yang Sun, Shasha Liu, Songwei Yang, Chen Chen, Zhao Zhang, Shifeng Chu, Yantao Yang, Gang Pei, Meiyu Lin, Qian Yan, Jiao Yao, Yuting Lin, Fan Yi, Lei Meng, Yong Tan, Qidi Ai, Naihong Chen

    Published 2023-05-01
    “…IL-10=interleukin-10; TGF-β = transforming growth factor-β; IL-18=interleukin-18; IL-1β = interleukin-1β; TNF-α = tumor necrosis factor-α; iNOS=induced nitrogen monoxide synthase; MMPs=Matrix metalloproteinases; GSDMD = gasdermin D; BMECs=brain microvascular endothelial cells; BBB = blood-brain barrier.…”
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  20. 50520

    Leaf Functional Traits of Invasive Grasses Conferring High-Cadmium Adaptation Over Natives by Muhammad Ilyas, Muhammad Ilyas, Muhammad Ilyas, Sakhawat Shah, Ya-Wen Lai, Jan Sher, Tao Bai, Fawad Zaman, Farkhanda Bibi, Monika Koul, Shabir Hussain Wani, Ali Majrashi, Hesham F. Alharby, Hesham F. Alharby, Khalid Rehman Hakeem, Khalid Rehman Hakeem, Khalid Rehman Hakeem, Yong-Jian Wang, Shabir A. Rather

    Published 2022-06-01
    “…Leaf physiological traits, chlorophyll content, and flavonoid content were also significantly higher in invasive plants than in natives under Cd stress conditions after 4 weeks, although nitrogen balance index (NBI) showed no significant difference between the two species. …”
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