Material heterogeneity

Part 2 of ebook "IUTAM symposium on mesoscopic dynamics of fracture process and materials strength" provides readers with contents including: multiscale modeling of defect nucleation and reaction bulk to nanostructures; discrete-continuum modeling of metal matrix composites plasticity; computational evaluation of micro- to macroscopic deformation behavior of amorphous polymer with slightly heterogeneous distribution of initial shear strength; critical behavior near the crack/dislocation depinning threshold;...

221p mothoiphong 28-06-2024 1 1   Download

Self-assembled functional nanomaterials with electromagnetic (EM) hot spots and chemical (CM) enhancement have been recognized as a key in surface-enhanced Raman scattering (SERS) analysis. Herein, a dual-hybrid plasmonic coupling SERS sensor composed of rutile TiO2 nanorod arrays (r-TNRs), Au nanospheres (AuNSs), and Ag nanocubes (AgNCs) has been designed to achieve ultrasensitive detection and obtain unique molecular fingerprints.

13p visergeyne 18-06-2024 0 0   Download

Ebook "Structure and reactivity of metals in zeolite materials" provides the reader with the most up-to-date and relevant knowledge on the reactivity of metals located in zeolite materials, either in framework or extra-framework positions, and the way it is connected with the nature of the chemical environment provided by the host.

316p tracanhphuonghoa1007 22-04-2024 5 3   Download

Ebook "Novel catalysts in advanced oxidation of organic pollutants" summarizes the role of certain catalysts and associated processes that are involved in the reduction or elimination of hazardous substances from wastewater and the exploitation of renewable raw materials. The authors begin by providing a summary of the most recent developments in catalysts used in the advanced oxidation of organic pollutants in aqueous phase. Advanced Oxidation Processes (AOPS) are described in terms of homogeneous and heterogeneous catalysts.

69p tracanhphuonghoa1007 22-04-2024 4 3   Download

This research aimed to examine the performance aspects of the Moroccan industrial food enterprises, which are characterized by its heterogeneous nature (the quality of raw materials, deadlines, volatile customer demand, processes, markets, etc.), Only a very limited number of studies have focused on the implementation of managerial practices within companies operating in the food sector. This study used the qualitative research.

11p longtimenosee07 29-03-2024 1 1   Download

Ebook "Photocatalytic semiconductors: Synthesis, characterization, and environmental applications" provide an overview of the semiconductor materials from first- to third-generation photocatalysts and their applications in wastewater treatment and water disinfection. The book further presents economic and toxicological aspects in the production and application of photocatalytic materials.

298p tudohanhtau1006 29-03-2024 2 1   Download

Ebook "Polyoxomolybdates as green catalysts for aerobic oxidation" describes the importance of the selective oxidation of alcohols and advantages of heterogeneous catalysts over conventional catalysts, use of environmentally benign oxidants, and the design of selective catalysts by tailoring of polyoxometalates at the molecular level. Chapter 2 describes synthesis, characterization 11-molybdophosphate based supported materials and their use as heterogeneous catalysts for oxidation of alcohols with molecular oxygen under solvent free mild reaction condition.

63p tudohanhtau1006 29-03-2024 1 1   Download

Ebook "Molecularly imprinted polymers in biotechnology" has stimulated the development of synthetic materials that can be designed to have tailor-made molecular selectivity. Molecular imprinting, a synthetic technique that uses molecular templates to create selective binding sites in cross-linked polymers, has become one of the most efficient methods for preparation of selective recognition materials.

237p tudohanhtau1006 29-03-2024 3 1   Download

Primary central nervous system lymphoma (PCNSL) is a rare lymphoma of the central nervous system, usually of diffuse large B cell phenotype. Stereotactic biopsy followed by histopathology is the diagnostic standard. However, limited material is available from CNS biopsies, thus impeding an in-depth characterization of PCNSL.

19p viellison 28-03-2024 4 2   Download

Ebook "Multiscale molecular methods in applied chemistry" cover applied topics such as hierarchically structured materials, molecular reaction dynamics, chemical catalysis, thermodynamics of aggregated phases, molecular self-assembly, chromatography, nanoscale electrowetting, polyelectrolytes, charged colloids and macromolecules.

333p coduathanh1122 27-03-2024 4 1   Download

Ebook "Electron microscopy in heterogeneous catalysis (Series in Microscopy in materials science)" addresses a number of issues that are fundamental to the understanding of heterogeneous catalysis by oxides and supported metals. The properties of a catalyst are governed by its microstructure and chemistry on an atomic scale, and electron microscopy methods are essential to directly analyze these properties.

246p coduathanh1122 27-03-2024 6 1   Download

Part 2 book "Chemical engineering of polymers - Production of functional and flexible materials" includes content: Study of temperature dependence of specific resistance of nickel tungsten coating on copper; topology of formation of latexes in heterogeneous static monomer water systems; synthesis and research of some phtalocyaninic dyes with Cu, Zn for testing in the systems of solar cells type; polymeric recording media based on carbazole containing copolymers and benzoxyphthalocyanines of transition metalsnment,... and other contents.

246p muasambanhan09 16-03-2024 1 1   Download

In this study we present a method to synthesize new heterogenous photocatalytic materials based on ternary nanocomposite ZnO/MgO/TiO2 to activate persulphate (K2S2O8) for degradation of methylen blue dye (MB) and pesticide acetamiprid that used in aquaculture and agricultural cultivation under simulated sunlight.

8p vicwell 06-03-2024 8 2   Download

In ebook "Carbohydrates in sustainable development II: A mine for functional molecules and materials (Topics in current chemistry, Volume 295)" a survey on the state of the art of ionic liquids derived from sugars is also presented. Synthetic polymers can now be made based on carbohydrate building blocks. The potential of these biocompatible and biodegradable macromolecular materials to replace the polluting petroleum-based polymers is also discussed.

211p manmanthanhla0201 26-02-2024 7 1   Download

Ebook "Applications of EPR in radiation research" presented in eight themes: elementary radiation processes (in situ and low temperature radiolysis, quantum solids); solid state radiation chemistry (crystalline, amorphous and heterogeneous systems); biochemistry, biophysics and biology applications (radicals in biomaterials, spin trapping, free-radical-induced DNA damage); materials science (polymeric and electronic materials, materials for treatment of nuclear waste, irradiated food);...

766p nhanphanguyet 28-01-2024 5 2   Download

Ebook "Mesoporous organic-inorganic non-siliceous hybrid materials: Basic principles and promising multifunctionality" provides extensive information on organic-inorganic hybrid materials with controllable compositions and structures developed over the past few decades, including metal sulfonates, carboxylates, phosphonates, metal-organic frameworks (MOFs), etc. A variety of judicious strategies for optimizing mesoporosity are also introduced, aiming at realizing the corresponding superiorities of hybrid frameworks in practical applications at the nano-/meso-scale.

127p nhanphanguyet 28-01-2024 4 2   Download

Ebook "Modelling water flow in unsaturated porous media: Accounting for nonlinear permeability and material heterogeneity" focuses on two issues related to mathematical and numerical modelling of flow in unsaturated porous media. In the first part numerical solution of the governing equations is discussed, with particular emphasis on the spatial discretization of highly nonlinear permeability coefficient. The second part deals with large scale flow in heterogeneous porous media of binary structure.

254p loivantrinh 29-10-2023 5 2   Download

Ebook "Polymer physics: From suspensions to nanocomposites and beyond" explores the interrelationships among polymer structure, morphology, and physical and mechanical behavior. Featuring contributions from renowned experts, the book covers the basics of important areas in polymer physics while projecting into the future, making it a valuable resource for students and chemists, chemical engineers, materials scientists, and polymer scientists as well as professionals in related industries.

776p loivantrinh 29-10-2023 4 2   Download

There has been significant interest in designing heterostructured nanoparticles with excellent synergistic properties and multifunctionality. Herein, this work reports on the design of reactive oxygen species- (ROS-) responsive Ag decorated TiO2 hybrid nanorods (HNRs) with dual functionalities of enhanced photodynamic therapy and antibacterial activity.

9p viberbers 09-08-2023 11 3   Download

High order plasmonic types by integrating a novel heterogeneous plasmonic and flexible model based on the co-existence of Ag nanospheres (NSs) and Ag nanocubes (NCs) are introduced. The point-to-facet type in these hybrid shapes produces surface-enhanced Raman scattering (SERS) signals many-fold larger than in single-plasmonic constructs.

15p viberbers 09-08-2023 4 3   Download