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Oxidative Desulfurization of Fuels Catalyzed by Peroxotungsten and Peroxomolybdenum Complexes in Ioni
With more and more stringent regulatory constraints, it is a trend to achieve little-to-no sulfur diesel as SO_X emission has brought forth great negative problems to environment. In the conventional process, hydrodesulfurization is used to....
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Preparation and Properties of Acrylate/Epoxy Nanocomposites Based on Inorganic Layered Materials by I
In recent years,ion-exchange process and covalent-graft method have been developed to organo-modify inorganic layerd materials,thus making them more organophilic and have better compability with polymer matrix.In this thesis,we demonstrated....
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Synthesis and Characterization of Cyclic Topological Copolymers
Cyclic topological polymers including single and multiple cyclic polymers have gained growing interest due to their unique properties unlike branched and linear topological polymers.In contrast with the significant achievement obtained in th....
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Fabrication of Stimuli-Responsive Supramolecular Aggregates and Self-Assembling Kinetic Processes
Supramolecular assemblies have attracted much interest in the past century due to their promising applications in diverse fields such as catalysis,material preparation and biomedicine.In this dissertation,a series of supramolecular assemblie....
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Synthesis and Properties of New Ionic Liquids Comprising N, N'-Dialkylbenzimidazolium Salt
102 kinds of new benzimidazolium ionic liquids were synthesized and the structures were characterized by IR spectroscopy and elemental analysis, and 17 single crystals of the ionic liquids were obtained and characterized by single crystal X-....
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The Experimental and Theoretical Study about Synthesis of Diamond Single Crystal under HPHT
Top six noodle with homemade presses and domestic Catalyst conducted a series of large single crystal diamond synthesis experiments. Diamond growth rate on a systematic study and found that with the increase in growth rate, crystal quality h....
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Acute Photoinduced Toxicity of Anthraquinones and Polycyclic Aromatic Hydrocarbons to Aquatic Organis
The studies on the eco-toxicological effects of the environmental organic pollutants are of great importance to their ecological risk assessment.A number of organic compounds are photoactive and potentially phototoxic to aquatic organisms in....
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Influence of Physical-Chemical Properties and Temperature on Soil/Air Partition Coefficient of Select
The old industrial base in Northeast China is a major heavy industry and commodity grain base.Both manufacturing and agricultural enhanced the possibility of introducing contaminants into soil.Meanwhile,as the three terrestrial oil fields we....
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Source Apportionment of Persistent Toxic Substances in Typical Environmental Media by Receptor Modeli
Receptor models assess contributions from all the major sources based on observations at sampling sites,the "receptors".Receptor models have been widely used for source apportionment of pollutants in various environmental media.Many differen....
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Study on the Oxidation of High Concentration Organic Wastewater in Supercritical Water Using Transpir
In order to resolve problems of high cost and low destruction efficiency faced to high concentration refractory organic wastewater,supercritical water oxidation was used to treat this kind of wastewater.Dyeing wastewater and acrylic acid was....
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Studies on Synthesis, Mechanisms and Properties of Inorganic/Dye Hybrids
In this dissertation,new strategies for synthesizing inorganic materials in mixed solvents have been developed to synthesize organic crystals and inorganic/organic materials with novel morphologies and hierarchical microstructures.Cobalt car....
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Controllable Fabrication and Characterization of Functional ZnO Nanomaterials and Their Photocatalyti
Photocatalytic oxidation for organic wastewater treatment is a promising technology with low cost,easy operation and non-secondary pollution.However,it is limited to actual application due to the low photocatalytic efficiency.Therefore,the d....
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Study on the Preparation of Inorganic Nanomaterials from the Solvent Extraction Systems and Their Rel
Due to the excellent optical, electrical, photochemical, electrochemical, mechanical and catalytic properties of nanomaterials, much more attention has been paid to their preparation and applications. It is still a great challenge to develop....
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Solution-based Synthesis of Functional (Oxy) Fluorides and Its Characterizations
Recently, (oxy)fluoride functional materials have aroused extensive research interest due to their potential applications in superconductivity, magnetic material, catalyst, luminescence materials and so on. In this dissertation, the aim is t....
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Design, Synthesis and Self-assembly of Ion-bonded Supramolecular Linear Polymer and Miktoarm Star Cop
Supramolecular chemistry can be defined as "chemistry beyond the molecule" bearing on the organized entities of higher complexity that results from the association of two or more chemical species held together by intermolecular forces, such....
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Synthesis and Study of Polyamines of Oxycellulose and Their Performance of Bifunctional Adsorbent
This dissertation is supported by the Specialized Research Fund for the Doctoral Program of Higher Education(No.20060225008).In this research we converted cellulose by chemical modification into some materials with high selective adsorbabili....
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Theoretical Calculation of Electronic Structures and 4f→5d Transitions of Lanthanide Ions Doped in
My work mainly consists of two parts as follows:a) The ab initio self-consistent DV-Xα(discrete variational Xα)method was used to computate the ground-state electronic structures,the f-d transition energies of the whole series of rare eart....
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Preparation and Application of NaA, FAU and ZSM-5 Zeolite Membranes
The micropore zeolite means molecular sieve with the the pore size under 2 nm.Up to now,more than one hundred kinds of micropore molecular sieve have been found or synthesized.The most popular molecular sieves are LTA,FAU,MFI.Owing to their....
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The Syntheses of Functional Coordination Polymers and the Influence of Magnetic Field on Structure
Great efforts have been expended on crystal engineering of molecular based materials,especially coordination polymers,because of their fascinating structural diversity and potential applications in catalysis,luminescense,magnetism and porosi....
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Magnetic Field Effects on Chemical Reduction of Ni~(2+) and Magnetic Domain Structures of Nickel
The morphology and properties of materials can be controlled by use of magnetic field in chemical reactions.Magnetism mainly comes from electron spin magnetic moments,so studying magnetic domains contributes to understand magnetic properties....
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Solution Phase Synthesis and Property Study of Thermoelectric Nanomaterials
How to release the energy crisis has been one of the most important problems for the 21~(st) century.Thermoelectric(TE) devices that can directly generate electric power by thermal energy and vice versa,have been considered as an efficient a....
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Theoretical Study on the Structural Defects and Surface Decoration of Carbon Nanotubes
Carbon nanotubes(CNTs) are promising materials for nanodevices,due to their novel physical and chemical properties.However,a realistic carbon nanotube doubtlessly contains various structural defects which may influence the properties of the....
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Study on the Solution-based Chemical Synthesis and Formation Mechanism of Chalcogenide and Oxide Nano
Based on the chemical solution-phase synthesis,the aim of this dissertation is to explore the synthesis of CuS,NiTe_2,Cu_2O,CuO nanomaterials by room temperature chemical solution route,solvothermal technique and hydrothermal method.A chemic....
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Effects of the Structure and Properties of Cellulose Fiber on Microwave Treatment and Its Application
Cellulose fiber is a kind of abundantly important textile raw materials.People not only pay much attention to cellulose fiber performance,but also take interested in gaining new insight into its processing and utilization.Microwave heating t....
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Study on the Technology of Longtitudinal Compressing and Muti-dimensional Bending of Wood
The longtitudinal compressing and muti-dimensional bending technology of wood is a inter-disciplinary forefront hot issue with enough applicational and theoretical values.This research,particularly the constitutive relationship established o....
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Studies on the Mechanisms and Optimized Model of Ecological Restoration in Coal Gangue Waste Land
Coal,a non-recyclable energy,plays an important part in the economic development of the nation.However,during the course of mining,washing and processing,great amount of coal gangue is produced and accumulated into coal gangue wasteland.This....
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Study on Thermal Decompostion Behavior of Typical Explosive Hazardous Chemicals and Influence of Tran
With the development of technology,more new substances are found and produced to satisfy people\'s requirements.85%of them can be grouped into hazardous chemicals,which can cause serious accidents on fire and explosion to endanger people\'s....
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The Synthesis and Asymmetric Catalysis Research of Solvent-regulated Phase Transfer Schiff Base Compl
Chiral Schiff base complexes are excellent catalysts in the fields of asymmetric catalysis.However,the homogeneous complexes are not easily recovered for reuse or recycle and the heterogeneous catalysts often suffer from decrease of catalyti....
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Theoretical Studies on Conformations and Properties of Amino Acids and Oligopeptides
Amino acids and oligopeptides are important biomolecules.Theoretical investigations on these molecules are critically important not only for its crucial role in explanations of experimental results but also because it can provide valuable st....