Showing 341 - 360 results of 810 for search '"nitrate"', query time: 0.04s Refine Results
  1. 341

    Kinetics of nanocrystalline phase transformations in spray pyrolysed ZnO particles by Mančić Lidija T., Marinković Zorica V., Milošević Olivera B.

    Published 2002-01-01
    “…The thermal behavior of ZnO powder obtained by ultrasonic spray pyrolysis of nitrate solution (c=0.8mol/dm3, D0=2.695µm, Tmax=6000C, FG=1.2dm3/min) was investigated using non-isothermal differential scanning calorimetry (DSC, heating rates 5, 10, 15, 20O/min). …”
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  2. 342

    What is urea-triazone nitrogen? by Guodong Liu, Jeffrey Williamson

    Published 2013-11-01
    “…Most foliar nutrient N products contained the traditional N sources such as ammonium, nitrate and/or urea before urea-triazone N was available on the market. …”
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  3. 343

    Photocatalytic Behavior of Supported Copper Double Salt: The Role of Graphene Oxide by Marjan E. Shabestari, Juan Baselga, Olga Martin

    Published 2022-01-01
    “…Nanohybrids of graphene oxide decorated with Cu(I) and Cu(II) oxides and copper hydroxy nitrate double salt were selected as photocatalysts for the degradation of rhodamine B in aqueous solution to study the effect of the graphene oxide support. …”
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  4. 344

    Surface Characterization and Catalytic Activity of Alumina and Alumina-Supported ZnSO Catalysts Prepared from Different Alumina Sources by Farid Sh. Mohamed

    Published 2002-09-01
    “…Three alumina samples were prepared from different sources including aluminium isopropoxide, aluminium chloride and aluminium nitrate, and were then used to prepare supported ZnSO 4 catalysts via the impregnation method. …”
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    Article
  5. 345

    Application of Some Starch Hydrogels for the Removal of Mercury(II) Ions from Aqueous Solutions by A. Hashem, F. Ahmad, R. Fahad

    Published 2008-10-01
    “…Three types of starch hydrogels were prepared via the graft polymerization of acrylonitrile, AN, onto maize starch using ceric ammonium nitrate, CAN, as the initiator, followed by saponification with sodium hydroxide. …”
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  6. 346

    Polyethylene Glycol Mediated Kinetic Study of Nitro Decarboxylation of α,β-Unsaturated Acids by Blau’s Fe(III) Phen Complex by K. Ramesh, S. Shylaja, K. C. Rajanna, P. Giridhar Reddy, P. K. Saiprakash

    Published 2013-01-01
    “…Polyethylene glycol (PEG) mediated kinetic study of nitro decarboxylation of α,β-unsaturated acids (USA) has been taken up by Blau’s [Fe(III) nitrate-Phen] yellow complex in acetonitrile medium. …”
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  7. 347

    Upper circumpolar deep water influences microbial functional gene composition and diversity along the southern Central Indian Ridge and eastern Southwest Indian Ridge by Sheryl Oliveira Fernandes, Dhiraj Paul, Surya Prakash Lankalapalli, Srinivas Rao Arvapalli, Vidya PJ, John Kurian Palayil

    Published 2025-02-01
    “…Availability of hydrothermally derived substrates in plumes detected along the ridges triggered an increase in the abundance of genes encoding for remediation of polycyclic aromatics, nitrate reduction, and arsenic and mercury resistance. …”
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  8. 348

    Crystal structures of zinc(II) coordination complexes with isoquinoline N-oxide by Erin N. Groneck, Nathan Peek, Will E. Lynch, Clifford W. Padgett

    Published 2025-02-01
    “…However, starting with zinc(II) perchlorate or nitrate leads to the formation of complex ions with the compositions [Zn(iQNO)6](X)2 for X = ClO4− (IV), and [Zn(iQNO)(H2O)5](iQNO)2X2 for X = NO3− (V). …”
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  9. 349

    Assessment of Some Physicochemical Parameters and Heavy Metals in Hand-Dug Well Water Samples of Kafta Humera Woreda, Tigray, Ethiopia by Kiros Gebremichail Gebresilasie, Goitom Gebreyohannes Berhe, Amanual Hadera Tesfay, Samuel Estifanos Gebre

    Published 2021-01-01
    “…Electrical conductivity and total dissolved solids of the water samples were found to be significantly correlated with total hardness (r = 0.989), total alkalinity (r = 0.827), calcium (r = 0.988), magnesium (r = 0.881), sodium (r = 0.995), potassium(r = 0.996), chloride (r = 0.998), sulfate (r = 1), and nitrate ions (r = 0.972). Out of the selected seven heavy metals, Fe, Cu, Zn, Mn, Cr, Cd, and Pb, only iron was detected in all water samples and its concentration was above the permissible limit of WHO and ESA for drinking water. …”
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  10. 350

    Evaluation of spatial variation and nutritional status of environmental quality in the surface seawater from fishing harbours of Hainan island by Ren Bingnan, Geng Jing, Qin Dajun, Yang Bo

    Published 2025-01-01
    “…To investigate the nutrient distribution characteristics and the eutrophication status of the main fishing ports in Hainan Province, this study analyzed the 2021 seawater quality indicators, including biochemical oxygen demand (BOD5), chemical oxygen demand (COD), chlorophyll a (Chl a), ammonia nitrogen (NH4-N), nitrite nitrogen (NO2-N), nitrate nitrogen (NO3-N), and soluble active phosphate (DIP). …”
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  11. 351

    Postplanting Nutritional Augmentation of Jeffrey Pine Seedlings on an Infertile Sierran Site by Roger F. Walker

    Published 2011-01-01
    “…Free Flow 29-3-4, a conventional amendment featuring urea as its near exclusive N source, and High N 22-4-6, a controlled release formulation containing ammoniacal, nitrate, and urea N, were the most stimulatory while an organic formulation relying exclusively on a municipal biosolid N source, Milorganite 6-2-0, was the least so. …”
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  12. 352

    Crosslinking, Mechanical Properties, and Antimicrobial Activity of Photocurable Diacrylate Urethane/ZnO-Ag Nanocomposite Coating by Truc Vy Do, Minh Nguyet Ha, Tuan Anh Nguyen, Hoang Thu Ha, Thien Vuong Nguyen

    Published 2021-01-01
    “…In this article, ZnO-Ag nanohybrids were chemically synthesized in the aqueous medium by reducing silver nitrate with sodium borohydride NaBH4. These nanohybrids were then homogeneously dispersed into the diacrylate urethane/1,6-hexanediol diacrylate resin system at a content of 2 wt%. …”
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  13. 353

    A Novel Photosynthesis of Carboxymethyl Starch-Stabilized Silver Nanoparticles by M. A. El-Sheikh

    Published 2014-01-01
    “…A new green synthesis method involves using PI/UV system, carboxymethyl starch (CMS), silver nitrate, and water. A mechanism of the reduction of silver ions to AgNPs by PI/UV system as well as by the newly born aldehydic groups was proposed. …”
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  14. 354

    Assessment of Water Pollution in Tipparthy Revenue Sub-Division, Nalgonda (District), Andhra Pradesh, India by Medikondu Kishore, Y. Hanumantharao

    Published 2010-01-01
    “…Totally 49 water samples were collected from the different locations (22 villages) of the study area including bore well, open well and hand pump water and analyzed for pH, EC, TDS, turbidity, total hardness, fluoride, chloride, nitrate, nitrite, sulphate, phosphates, calcium, magnesium, sodium, potassium, Iron and dissolved oxygen. …”
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  15. 355

    Influence of Precursor Compounds on the Structural and Catalytic Properties of Cobalt-Based Catalysts by M.M. Selim, N.M. Deraz, M. Ramadan

    Published 2009-11-01
    “…Cobalt metal and Co 3 O 4 catalysts based on cobalt chloride exhibited higher catalytic activities than other catalysts derived from cobalt nitrate and sulphate salts, respectively, due to their decreased particle sizes. …”
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  16. 356

    The Impact of Long-Term Nitrogen Addition on Microbial Community Composition in Three Hawaiian Forest Soils by Teri C. Balser

    Published 2001-01-01
    “…Soil parameters, water content, pH, and ammonium and nitrate availability differed by site, but not between control and N-addition treatments within a site at the time of sampling. …”
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  17. 357

    Nitric Acid-treated Bentonite Clay: A Novel Oxidation Supported Reagent by Charis R. Theocharis, John B. Tomlinson, Adam O. Whelan, George C.P. Zychowicz

    Published 1990-09-01
    “…The reactive species is believed to be nitrate ions present in the interlamellar species, together with an interlamellar acidic aluminium species which is useful in maintaining the crystallinity of the acid-washed clay. …”
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  18. 358

    Determination of Bromate at Trace Level in Sudanese Bottled Drinking Water Using Ion Chromatography by Mei Musa, Ibrahim M. Ahmed, Ismat Atakruni

    Published 2010-01-01
    “…Interferences from some anions eg. nitrate, chloride and nitrite were studied. The method was applied for the determination of bromate ion in ten sudanese bottled drinking water. …”
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  19. 359

    Lipid content and wastewater treatment potential of Chlorella vulgaris and Scenedesmus obliquus isolated from Uzuncayır Dam Lake by Can Şafak Seyhaneyıldız, Can Erkan, Yılmaz Kadir

    Published 2024-09-01
    “…As a result, microalgae increased their biomass and lipid content, while consuming nitrite, nitrate, phosphate, and ammonium from the wastewater as nutrients.…”
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  20. 360

    Assessment of Groundwater Quality Using Water Quality Index from Selected Springs in Manga Subcounty, Nyamira County, Kenya by Alice Makonjo Wekesa, Calford Otieno

    Published 2022-01-01
    “…Water quality index was calculated based on pH, turbidity, nitrate, phosphate, calcium, magnesium, chloride, sulphates, fluoride, iron, total phosphorous, total hardness, total alkalinity, total dissolved solids, and total coliform. …”
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