نتایج جستجو برای: depolymerisation
تعداد نتایج: 258 فیلتر نتایج به سال:
In this investigation, the use of phosphotungstic acid (PWA) and phosphomolybdic (PMA) as well Zn2+ containing kaolin bentonite explored for chemical recycling post-consumer poly(ethyleneterephthalate) (PET) wastes have been explored. The clay supported catalysts 5wt% metals heteropolyacids (HPAs) synthesized using wet impregnation method. Nitrogen adsorption desorption studies, SEM–EDX mapping...
Soil organic nitrogen (N) cycling processes constitute a bottleneck of soil N cycling, yet little is known about how tree species composition may influence these rates, and even less under changes in water availability such as those that are being induced by climate change. In this study, we used 12-year-old biodiversity experiment southwestern France to assess the interactive effects (half blo...
Plastics i.e. polymers are long chains or networks of monomer molecules which can be fabricated in desired shape, colour and specifications. The multi-functionality this macromolecule has made it an integral part society. Due to being given immense importance various industrial sectors, like information technology, electrical, as well electronics industries, intelligent, smart advanced packagin...
Objective(s): Vinblastine is antimitotic, anticancer medicine that disturbs normal microtubule formation and favours depolymerisation. Structural study and finding the active site of vinblastine are the targets of this research. Materials and Methods: Vinblastine was optimized in vacuum and then in different solvents by Density Functional Theory (DFT) method. Nuclear Magnetic Resonance (NMR) ...
The ash slag formations that can occur in combustion and gasification of solid fuels often consist silicate melts cause operational problems, e.g., bed agglomeration or build-up. This study aims to better understand the underlying molecular structures motions bring about viscosity variations biomass slags are rich Ca K. Aspects structure, diffusivity, cation motion molten CaO–K2O–SiO2 system we...
In this work, a waste-derived lignin with abundant uncondensed linkages, using accessible solvents (acetone/water mixture) and low-cost catalysts showed successful depolymerization for the production of target molecules 4-ethylphenol, 4-propyl-2,6-dimethoxyphenol 4-propyl-2-methoxyphenol. Lignin samples were obtained from sugar-cane bagasse residue by an organosolv process. Four alumina-based (...
The development of new sustainable routes towards better environmental footprint composites for marine boatbuilding is motivated by the absence eco-friendly and economically viable recycling techniques to deal with growing end-of-life thermoset boats waste increasing restrictive legislation. Thermoplastic may offer possibility recover raw materials from retired parts, which could have a substan...
In mammals, Prion pathology refers to a class of infectious neuropathologies whose mechanism is based on the self-perpetuation of structural information stored in the pathological conformer. The characterisation of the PrP folding landscape has revealed the existence of a plethora of pathways conducing to the formation of structurally different assemblies with different biological properties. H...
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