نتایج جستجو برای: acid extractable metal

تعداد نتایج: 932867  

Journal: :Entropy 2017
Johannes Rauh Pradeep Kr. Banerjee Eckehard Olbrich Jürgen Jost Nils Bertschinger

We consider the problem of quantifying the information shared by a pair of random variables X1,X2 about another variable S. We propose a new measure of shared information, called extractable shared information that is left monotonic; that is, the information shared about S is bounded from below by the information shared about f(S) for any function f . We show that our measure leads to a new non...

Journal: :Journal of Environmental Management 2021

Abstract This paper tries to analyse the technical and economic performance of a full-scale passive Disperse Alkaline Substrate (DAS) treatment plant steadily operating for 28 months (840 days) treat extremely acidic metal rich mine waters in Iberian Pyrite Belt (SW Spain). For first time, an evaluation this technology its comparison with other treatments is reported. During period, around 56,0...

N. N. NAJAFI R. MOTALEBIFARD S. S. OUSTAN

ABSTRACT- To evaluate effects of different soil moisture conditions namely, phosphorus (P) and zinc (Zn) application, on extractable Zn and Fe, two experiments were conducted in laboratory conditions based on a completely randomized design with a factorial arrangement of treatments with two replications. The first experiment was performed with the following factors; incubation time at four leve...

A water soluble, Bronsted acid, 5-sulfosalicylic acid as an efficient organocatalyst was used for the synthesis of physiologically active 2-substituted benzimidazole derivatives from o-phenylenediamine and aromatic aldehydes in ethanol at reflux condition. Cost-effectiveness, use of non-hazardous solvents, metal free and commercially available catalyst, single-step, environmentally fri...

A water soluble, Bronsted acid, 5-sulfosalicylic acid as an efficient organocatalyst was used for the synthesis of physiologically active 2-substituted benzimidazole derivatives from o-phenylenediamine and aromatic aldehydes in ethanol at reflux condition. Cost-effectiveness, use of non-hazardous solvents, metal free and commercially available catalyst, single-step, environmentally fri...

The antimicrobial activity of some novel ascorbic acid-metal complexes [bisascorbate complexes of copper (II), zinc(II), manganese (11), iron (111), cobalt(II), lead(II) and cadmium(II)] was investigated. Four standard strains of bacterial species - Staphylococcus aureus, Escherichia coli, Bacillus subtilis and Klebsiella pneumonia and four fungal species - Trichophyton sp. Penicillium sp....

2016
Yoko Matsumura Toshihiro Ito Hisakazu Yano Eiji Kita Keiichi Mikasa Masatoshi Okada Azusa Furutani Yuka Murono Mitsuru Shibata Yasue Nishii Shin-ichi Kayano

This data article is related to the research article entitled, "Antioxidant potential in non-extractable fraction of dried persimmon (Diospyros kaki Thunb.)" (Matsumura et al., 2016) [1]. We investigated antioxidant activities of the non-extractable fraction of dried persimmon fruits in vitro and in vivo. We evaluated both extracted fraction and non-extractable fraction, and reported that non-e...

Journal: :Ecological applications : a publication of the Ecological Society of America 1991
John J Ewel Maria J Mazzarino Cory W Berish

For 5 yr we monitored the fertility of a volcanic-ash derived Inceptisol at a site in the humid tropics of Costa Rica. After forest felling and burning, we established four treatments in a randomized block design with six blocks: a sequence of monocultures (two crops of maize [Zea mays] followed by cassava [Manihot esculenta], then the tree species Cordia alliodora), successional vegetation, a ...

Journal: :Journal of environmental quality 2007
Robert E Vaughan Brian A Needelman Peter J A Kleinman Arthur L Allen

Pedological processes such as gleization and organic matter accumulation may affect the vertical distribution of P within agricultural drainage ditch soils. The objective of this study was to assess the vertical distribution of P as a function of horizonation in ditch soils at the University of Maryland Eastern Shore Research Farm in Princess Anne, Maryland. Twenty-one profiles were sampled fro...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1985
Z Dische G Cremer-Bartels G I Kaye

Glycosaminoglycans (GAG) of bovine cornea were sequentially extracted by 0.15 M NaCl and by 1 M CaCl2, pH 8. The amounts of hexosamine (HexN) and hexuronic acid (HexUA), specific hexoses (Hex), and protein were determined in the extracts. The ultrastructure of the corneal stroma after NaCl and NaCl/CaCl2 extraction was also studied. Approximately 70% of the Hex-HexN extractable by 0.15 M NaCl i...

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