Materials Literature
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Abstract New multifunctional PEG-grafted chitosan copolymers possessing both amino and carboxyl (4) or formyl (5) groups were synthesized by the grafting reaction method between chitosan and heterobifunctional PEG from anionic polymerization of ethylene oxide. Completion of the reactions and characterization of the re…
Abstract A soluble praseodymium complex was synthesized using a polymeric PUDS ligand. FTIR and Raman spectra suggest that the >NH lone pair in PUDS can interact with the Pr3+ centers. DSC results show that the coordination effect causes a significant increase of the phase transition temperature. The emission spectrum…
The second Workshop on Polarized Neutrons and Synchrotron X-rays for Magnetism (PNSXM 2009) took place in Bonn (Germany) from August 2 to 5, 2009, as a satellite conference to the ICM 2009 in Karlsruhe (Germany). This second workshop follows the tradition of PNSXM 2003 in Venice (Italy) in bringing together the applic…
Striking growth in the field and spectacular new science were the hallmarks of WIRMS 2009, the Fifth International Workshop on Infrared Microscopy and Spectroscopy with Accelerator Based Sources, which was held September 13–17, 2009, at The Banff Center in beautiful Banff, Alberta, Canada, surrounded by the majestic R…
The paradigm “structure determines function” has long been a motivation for X-ray structural studies. However, the understanding of function can go well beyond static pictures with atomic resolution, as one explores the time domain with short-pulse X-rays. The U.S. Department of Energy's Advanced Photon Source (APS) a…
In the title compound, [Sn(C(3)H(5)O(2))Cl(3)(H(2)O)]·C(10)H(20)O(5)·2H(2)O, the Sn(IV) atom is octa-hedrally coordinated within a fac-CO(2)Cl(3) donor set, arising from the C,O-bidentate carboxy-ethyl ligand, a water mol-ecule and three chloride ligands. In the crystal, supra-molecular chains linked by O-H⋯O hydrogen…
In the mononuclear title complex, [Mn(C(8)H(7)O(2))(2)(C(6)H(6)N(2)O)(2)(H(2)O)(2)], the Mn(II) ion is located on a crystallographic inversion center. The asymmetric unit contains one 4-methyl-benzoate anion, one nicotinamide (NA) ligand and one coordinated water mol-ecule. The four O atoms in the equatorial plane aro…
This chapter contains sections titled: Mixed Radioactive and Nonradioactive Wastes System and Wasteform Comparisons Immediate and Short-Term Future Outlook Medium and Longer Term Future Outlook Choosing a Wasteform Wasteform Characterization Standards, Regulatory Requirements, and Performance Assessments Overall Concl…
Maxwell equations are a set of partial differential equations (PDEs) relating to the field quantities and their partial derivatives with respect to space and time. Given any type of partial differential equations (PDEs), one must investigate the following three properties that any physical phenomena should have: (1) e…
This chapter contains sections titled: Metals Compounds Asbestos References
This chapter contains sections titled: Incinerator Wastes Sewage and Dredging Sludges Zinc Hydrometallurgical and Red Mud Wastes Blast Furnace Slags and Electric Arc Furnace Dusts Alternative Metallurgical Wastes and Slags Metal Finishing and Plating Wastes Coal Ash and Fly Ash from Thermal Power Stations Cement Dust…
This chapter contains sections titled: Incinerator Wastes Sewage and Dredging Sludges Zinc Hydrometallurgical and Red Mud Wastes Blast Furnace Slags and Electric Arc Furnace Dusts Alternative Metallurgical Wastes and Slags Metal Finishing and Plating Wastes Coal Ash and Fly Ash from Thermal Power Stations Cement Dust,…
This chapter contains sections titled: Structural Studies Modelling Studies References
This chapter contains sections titled: Alternatives to Vitrification Use of Alternative Waste Sources to Prepare New Materials Use of Waste Glass to Prepare New Materials Characterization, Properties and Applications of Nonradioactive Wasteforms Applications References
In this study, novel 1-substituted-phenyl-3,5-diphenylformazans were synhesized with -Br group at p-positions. Their structures were elucidated by elemental analyses, UV-vis and IR spectroscopy and X-ray single crystal structure determination. Their UV-vis spectra indicated that their max showed a shift amount of whic…
In the title compound, [Mn(C(10)H(7)N(2)O(2))(2)(H(2)O)(4)], the Mn(II) atom, lying on an inversion center, has an octa-hedral environment with four coordinated water mol-ecules in the equatorial plane and two N atoms from two 4-(imidazol-1-yl)benzoate ligands at the axial sites. The complex mol-ecules are connected i…
Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species.
This chapter contains sections titled: Categories of Waste and Waste Generation in the Modern World General Disposal Options Radiation Issues Waste Disposal and the Oklo Natural Nuclear Reactors Nuclear Accidents and the Lessons Learnt References
In the title compound, [Mn(C(8)H(6)N(5)O(4))(2)(H(2)O)(2)], the Mn(II) ion is situated on an inversion center and is six-coordinated by two N and two O atoms from two L ligands (HL = 2-[(1H-1,2,4-triazol-1-yl)meth-yl]-1H-imidazole-4,5-dicarboxylic acid) and two water mol-ecules in a distorted octa-hedral geometry. In…
We construct a two-dimensional electric circuit model for creeping discharge. Two types of discharge, surface corona and surface leader, are modeled by a two-step function of conductance. Branched patterns of surface leaders surrounded by the surface corona appear in numerical simulation. The fractal dimension of bran…