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Evaluation of antioxidant property of extract and fractions obtained from a red alga, Polysiphonia urceolata
Antioxidant activity (AA), total phenolic content, and reducing power of the crude extract, fractions, and subfractions derived from a red alga, Polysiphonia urceolata, were evaluated and determined.Expand
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Algorithm for Sea Surface Wind Retrieval From TerraSAR-X and TanDEM-X Data
  • X. Li, S. Lehner
  • Mathematics, Computer Science
  • IEEE Transactions on Geoscience and Remote…
  • 1 May 2014
A geophysical model function (GMF), which is denoted by XMOD2, is developed to retrieve sea surface wind field from X-band TerraSAR-X/TanDEM-X data. Expand
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  • PDF
Impacts of sterilization, microwave and ultrasonication pretreatment on hydrogen producing using waste sludge.
Hydrogen production by sterilization, microwave and ultrasonication pretreated waste sludge was investigated in this study. A new strain of Pseudomonas sp. GZ1 (EF551040) was inoculated in pretreatedExpand
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Total concentrations and speciation of heavy metals in municipal sludge from Changsha, Zhuzhou and Xiangtan in middle-south region of China.
  • Ming Chen, X. Li, +6 authors L. Guo
  • Environmental Science, Medicine
  • Journal of hazardous materials
  • 30 December 2008
The presence of heavy metals in municipal sludge restricts its use for agricultural purposes. In this paper, the bioavailability and eco-toxicity of heavy metals in municipal sludge was evaluated,Expand
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Enhanced efficiency of biological excess sludge hydrolysis under anaerobic digestion by additional enzymes.
In this investigation, the effects of commercial enzyme preparation containing alpha amylase and neutral protease on hydrolysis of excess sludge and the kinetic analysis of hydrolysis process wereExpand
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Enhanced aerobic sludge granulation in sequencing batch reactor by Mg2+ augmentation.
Two sequencing batch reactors (SBRs) were concurrently operated to investigate the effect of Mg(2+) augmentation on aerobic granulation. Augmentation with 10mg/l Mg(2+) in R2 significantly decreasedExpand
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Screening and characterization of a bioflocculant produced by Aeromonas sp.
  • X. Li, Q. Yang, +4 authors W. Long
  • Chemistry, Medicine
  • Biomedical and environmental sciences : BES
  • 1 August 2007
OBJECTIVE To isolate the bioflocculant-producing bacteria from activated sludge and investigate the flocculating characteristics of the newly isolated bioflocculant. METHODS Bacteria were screenedExpand
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Cytoglobosins A-G, cytochalasans from a marine-derived endophytic fungus, Chaetomium globosum QEN-14.
Cytoglobosins A-G (1-7), seven new cytochalasan derivatives, along with two structurally related known compounds, isochaetoglobosin D (8) and chaetoglobosin F(ex) (9), were isolated and identifiedExpand
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Adsorption of Cd(II) and Cu(II) from aqueous solution by carbonate hydroxylapatite derived from eggshell waste.
Carbonate hydroxylapatite (CHAP) synthesized by using eggshell waste as raw material has been investigated as metal adsorption for Cd(II) and Cu(II) from aqueous solutions. The effect of variousExpand
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Nigerasperones A~C, New Monomeric and Dimeric Naphtho-γ-pyrones from a Marine Alga-derived Endophytic Fungus Aspergillus niger EN-13
Three new naphtho-γ-pyrones, 5-hydroxy-6,8-dimethoxy-2-hydroxymethyl-4H-naphtho[2,3-b]pyran-4-one (1, nigerasperone A), 3,3′-dihydro-2,2′,5,5′-tetrahy­droxy-8,8′,10,10′-Expand
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