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  • 1
    Online Resource
    Online Resource
    Arsenic Toxicity Remediation : Sustainable Nexus Approach (2024)
    Cham : Springer Nature Switzerland | Cham : Imprint: Springer
    Details Availability
    Keywords: Pollution. ; Environmental chemistry. ; Environmental health.
    Description / Table of Contents: Section 1 Source and distribution of arsenic in soil and water ecosystem -- 1 Analytical tools for Arsenic speciation in soil, water, and plant -- 2 Source and distribution of Arsenic in soil and water ecosystem -- 3 The dichotomy of the journey of arsenic from the soil uptake in plants and down into water -- 4 Source generation of arsenic species and spatial distribution in benthic ecosystem -- Section 2 Health risks linked to arsenic exposure in food and the environment -- 5 Arsenic exposure through dietary intake and associated health hazards -- 6 Arsenic contamination of soil and water and related bio-hazards in Bangladesh -- 7 Arsenic contamination in drinking water and health -- Section 3 Sustainable mitigation strategies -- 8 Towards sustainable arsenic mitigation in Bangladesh and Nepal -- 9 Biotechnological approaches in remediation of arsenic from soil and water -- 10 Microbial removal of arsenic -- 11 Treatment and operational efficiencies of several natural and synthetic sands on treating arsenic through adsorption -- 12 Arsenic mitigation from contaminated ground water through chemical and biological processes -- 13 Soil reclamation and crop production in arsenic contaminated area using biochar and mycorrhiza -- 14 Techniques of arsenic remediation on household and commercial scale.
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource(X, 294 p. 33 illus., 28 illus. in color.)
    Edition: 1st ed. 2024.
    ISBN: 9783031526145
    Series Statement: Emerging Contaminants and Associated Treatment Technologies
    URL: https://doi.org/10.1007/978-3-031-52614-5
    DOI: 10.1007/978-3-031-52614-5
    Language: English
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  • 2
    Electronic Resource
    Electronic Resource
    Polyimide-Silica Hybrid Materials Modified by Incorporation of an Organically Substituted Alkoxysilane (1994)
    s.l. : American Chemical Society
    Chemistry of materials 6 (1994), S. 943-946 
    Details
    ISSN: 1520-5002
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/cm00043a013
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Generation of glassy ellipsoidal particles within an elastomer by in situ polymerization, elongation at an elevated temperature, and finally cooling under strain (1990)
    s.l. : American Chemical Society
    Macromolecules 23 (1990), S. 4288-4291 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00221a015
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  • 4
    Electronic Resource
    Electronic Resource
    Method for generating oriented oblate particles in an elastomer and characterization of the reinforcement they provide (1991)
    s.l. : American Chemical Society
    Macromolecules 24 (1991), S. 6037-6039 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00022a021
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  • 5
    Electronic Resource
    Electronic Resource
    Tuning and measurement of the 35 MeV Beijing Proton Linac
    Amsterdam : Elsevier
    Nuclear Instruments and Methods in Physics Research Section A: 307 (1991), S. 167-170 
    Details
    ISSN: 0168-9002
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0168-9002(91)90178-S
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  • 6
    Electronic Resource
    Electronic Resource
    A polyamide-silica composite prepared by the sol-gel process (1993)
    Springer
    Polymer bulletin 31 (1993), S. 323-330 
    Details
    ISSN: 1436-2449
    Keywords: aromatic polyamides ; silica ; sol-gel process ; organic-inorganic hybrid materials ; gelation ; thermogravimetric analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary A new kind of organic-inorganic hybrid composite was prepared by means of the sol-gel process. The polymer employed was a mixed-isomer aromatic polyamide having good solubility and thermal stability. The silica constituting the inorganic phase was produced by the hydrolysis and condensation of tetramethoxysilane. The bonding between the phases involved aminophenyl-trimethoxysilane, in which the amino group can react with the phthaloyl chloride end-capped polymer, and the methoxysilane groups undergo hydrolysis. The composition of these composites was varied by changing the linear polymer chain length and relative amount of tetramethoxysilane. The gelation time was found to range from a few minutes to several days. Thermogravimetric analyses showed that decomposition starts at approximately 450 °C. Thin films cast from materials having a relatively high silica content were opaque and rigid, but those with low silica content were flexible and transparent.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00692959
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  • 7
    Electronic Resource
    Electronic Resource
    An experimental study of the unperturbed chain dimensions of poly(tetramethyl-p-silphenylene-siloxane) (1993)
    Springer
    Polymer bulletin 31 (1993), S. 205-211 
    Details
    ISSN: 1436-2449
    Keywords: Intrinsic viscosities ; osmotic pressures ; unperturbed dimensions ; characteristic ratio ; chain stiffness ; poly(tetramethyl-p-silphenylene-siloxane)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary Experimental values of the characteristic ratio of the unperturbed dimensions of poly (tetramethyl-p-silphenylene-siloxane) were obtained from intrinsic viscosities and osmotic pressures. It was found that the characteristic ratio of this polymer is 1.55±0.30 when the phenylene group is treated as a virtual bond, and 4.51±0.40 when the individual bonds in the phenylene group are taken into account separately. This value is unexpectedly low, considering the usual stiffening effect of the p-phenylene group. Apparently this group can also have a “buffering” effect which decreases stiffness, by reducing interactions among the atoms or groups preceding it and succeeding it along the chain backbone.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00329967
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  • 8
    Electronic Resource
    Electronic Resource
    An investigation of the controlled release of diacetylfluorescein (DAF) from polymeric membranes (1989)
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 169 (1989), S. 211-216 
    Details
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Die Kinetik der Freigabe von Diacetylfluorescin (DAF) aus Polymer-Membranen wurde untersucht. Die Membranen wurden aus Polystyrol und Polysulfon in „monolithischer“ Form hergestellt. Zur Ermittlung der Freigabegeschwindigkeit durch Hydrolyse von DAF bei 25°C wurde ein Fluoreszenz-Spektrophotometer benutzt. Die Untersuchung zeigte, daß die Freigabe einer Nullter-Ordnung-Kinetik folgt. Die Effekte verschiedener Beladung mit DAF und von Aceton auf die kontrollierte Freigabe wurden ebenfalls ausgewertet.
    Notes: The release kinetics of diacetylfluorescein (DAF) from the polymeric membranes has been studied. The polymeric membranes were made of polystyrene and polysulfone materials in a monolithic form. This work employed a fluorescence spectrophotometer to monitor the release rates by the hydrolysis of DAF at 25°C. The investigation exhibited that the release rates follow a zero-order kinetic scheme. The effects of different loadings of DAF and acetone on the controlled release rates were also exploited.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/apmc.1989.051690119
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  • 9
    Electronic Resource
    Electronic Resource
    Unimodal and bimodal networks of poly(dimethyl-siloxane) in pure shear (1992)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part B: Polymer Physics 30 (1992), S. 801-807 
    Details
    ISSN: 0887-6266
    Keywords: networks of uni- and bimodal PDMS in shear ; stress-strain relations in uni- and bimodal networks of PDMS ; poly(dimethylsiloxane) networks, uni- and bimodal, shear modulus in ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Model networks of poly(dimethylsiloxane) (PDMS) were prepared by tetrafunctionally endlinking hydroxyl-terminated chains of various molecular weights. Some networks were prepared from mixtures of chains so as to yield a bimodal distribution of network chain lengths and, in some cases, these networks were prepared in solution. The stress-strain behavior of these unimodal and bimodal networks was studied in pure shear, which was imposed by stretching a sheet of the network having a large ratio of width to length in the direction perpendicular to the width. The pure-shear moduli of both types of networks generally were found to depend markedly on strain. Stress-strain isotherms for unimodal networks prepared from chains of one or the other of two molecular weights were well interpreted using the constrained-junction model of Flory and Erman. The bimodal networks showed large increases in the pure-shear modulus at high strains which were similar to those reported for uniaxial extension and compression. Endlinking in solution decreases the modulus in general and its upturn in particular, presumably because of diminished chain-junction entangling.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/polb.1992.090300802
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  • 10
    Electronic Resource
    Electronic Resource
    Mechanical properties of thermoplastic elastomers of poly(butylene terephthalate) and poly(ethylene glycol) in a bending deformation (1994)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 51 (1994), S. 145-151 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Thermoplastic elastomers based on poly(butylene terephthalate) (PBT) and poly(ethylene glycol) (PEG) were studied by bending-creep measurements. The dependence of the creep compliance on the composition of the block copolymer was determined, and the experimental results were compared with calculated results to obtain a better understanding of structure-property relationships for this class of materials. The hard PBT domains in the rubbery PEG matrix make a large contribution to the mechanical strength and hardness, presumably serving as reinforcing fillers as well as cross-links. Relaxation effects were found to decrease significantly with increase in hard-segment content. © 1994 John Wiley & Sons, Inc.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1994.070510115
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