-
341
Kinetics of nanocrystalline phase transformations in spray pyrolysed ZnO particles
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). …”
Get full text
Article -
342
What is urea-triazone nitrogen?
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. …”
Get full text
Article -
343
Photocatalytic Behavior of Supported Copper Double Salt: The Role of Graphene Oxide
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. …”
Get full text
Article -
344
Surface Characterization and Catalytic Activity of Alumina and Alumina-Supported ZnSO Catalysts Prepared from Different Alumina Sources
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. …”
Get full text
Article -
345
Application of Some Starch Hydrogels for the Removal of Mercury(II) Ions from Aqueous Solutions
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. …”
Get full text
Article -
346
Polyethylene Glycol Mediated Kinetic Study of Nitro Decarboxylation of α,β-Unsaturated Acids by Blau’s Fe(III) Phen Complex
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. …”
Get full text
Article -
347
Upper circumpolar deep water influences microbial functional gene composition and diversity along the southern Central Indian Ridge and eastern Southwest Indian Ridge
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. …”
Get full text
Article -
348
Crystal structures of zinc(II) coordination complexes with isoquinoline N-oxide
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). …”
Get full text
Article -
349
Assessment of Some Physicochemical Parameters and Heavy Metals in Hand-Dug Well Water Samples of Kafta Humera Woreda, Tigray, Ethiopia
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. …”
Get full text
Article -
350
Evaluation of spatial variation and nutritional status of environmental quality in the surface seawater from fishing harbours of Hainan island
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). …”
Get full text
Article -
351
Postplanting Nutritional Augmentation of Jeffrey Pine Seedlings on an Infertile Sierran Site
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. …”
Get full text
Article -
352
Crosslinking, Mechanical Properties, and Antimicrobial Activity of Photocurable Diacrylate Urethane/ZnO-Ag Nanocomposite Coating
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%. …”
Get full text
Article -
353
A Novel Photosynthesis of Carboxymethyl Starch-Stabilized Silver Nanoparticles
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. …”
Get full text
Article -
354
Assessment of Water Pollution in Tipparthy Revenue Sub-Division, Nalgonda (District), Andhra Pradesh, India
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. …”
Get full text
Article -
355
Influence of Precursor Compounds on the Structural and Catalytic Properties of Cobalt-Based Catalysts
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. …”
Get full text
Article -
356
The Impact of Long-Term Nitrogen Addition on Microbial Community Composition in Three Hawaiian Forest Soils
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. …”
Get full text
Article -
357
Nitric Acid-treated Bentonite Clay: A Novel Oxidation Supported Reagent
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. …”
Get full text
Article -
358
Determination of Bromate at Trace Level in Sudanese Bottled Drinking Water Using Ion Chromatography
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. …”
Get full text
Article -
359
Lipid content and wastewater treatment potential of Chlorella vulgaris and Scenedesmus obliquus isolated from Uzuncayır Dam Lake
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.…”
Get full text
Article -
360
Assessment of Groundwater Quality Using Water Quality Index from Selected Springs in Manga Subcounty, Nyamira County, Kenya
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. …”
Get full text
Article