metal and polymer forming

Binary metal oxide and polymer based liquid repellent self cleaning surfaces

... this objective, suitable metal oxide and polymer based electrospun/electrosprayed surfaces have been developed and the self-cleaning attributes along with the optical and mechanical properties ... Murugan, Dr Venugopal and Dr Molamma for teaching me new scientific concepts and polymer chemistry The knowledge that I imparted from them helped me to formulate new ideas and assisted me to advance ... excellent guidance and valuable advice in scientific discussions and furthermore, spending his time in showing and explaining the entire process involved in the fabrication and installations of...

Fabrication, characterization and application of metal tetraaminophthalocyanine polymer nanostructures

Danh mục: Cao đẳng - Đại học

... the lowest unoccupied band is the conduction band (CB) The energy spacing between these two bands is known as the bandgap energy (Eg) For conductors, the VB and CB overlap and the intrinsic conductivity ... Figure 1.2 Figure 1.2 Band structure evolution and actual structure for polypyrrole upon doping At zero doping level, the polymer is neutral and its band structure is that of a standard semiconductor ... Conductors (or metals), Semiconductors and Insulators The most frequently used mechanism to explain these conduction properties may be the band theory The highest occupied band is the valence band (VB),...

Publication Information and Contributors Forming and Forging was published P1

Danh mục: Kĩ thuật Viễn thông

... stretch forming (stretch forming) Androforming Age forming Creep forming Die-quench forming Bulging Vacuum forming Linear stretch forming (stretch forming) Linear roll forming (roll forming) ... indexes Contents: v Properties and selection [etc.] v Metallography and microstructures [etc.] v 14 Forming and forging Metals Handbooks, manuals, etc ASM INTERNATIONAL Handbook Committee TA459.M43 ... Edition of Metals Handbook treated various aspects of metalworking in two separate volumes: forging was addressed in the volume Forging and Casting, and sheet forming in the one on Forming In...

electrochemistry at metal and semiconductor electrodes

Danh mục: Hóa học - Dầu khí

... between the conduction band and the hybridized valence band VBi is 2.2 eV, which is the direct band gap; and the band gap between the conduction band and the oxide valence band VBj is 3.1 to 3.5 ... valence band mainly comprises the frontier orbitals of oxide ions and the conduction band contains the frontier orbitals of metal ions In forming an ionic metal oxide crystal from metal ions and oxide ... in Metals 2,2.1 Energy bands and the Fermi level Electron occupation in the frontier bands of metal crystals varies with different metals as shown in Fig 2-7 For metallic iron the frontier bands...

metal and alloy bonding an experimental analysis ; charge density in metals and alloys

Danh mục: Đại cương

... (Sodium and Vanadium Metals) describes about the nature of bonding and the charge distribution in sodium and vanadium metals are analysed using the reported X-ray data of these metals MEM and multipole ... 1.4 Metals 1.4.2 Vanadium Pure vanadium is a bright white metal, and is soft and ductile It has good corrosion resistance to alkalis, sulphuric and hydrochloric acid and salt water The metal ... and Vanadium Metals 4.2 Aluminium, Nickel and Copper 4.3 Magnesium, Titanium, Iron, Zinc, Tin and Tellurium 4.4 Cobalt Aluminium and Nickel Aluminium Metal...

nmr spectra of polymers and polymer additives

Danh mục: Đại cương

... polyethylene and ethylene copolymers and derivatives; (B) polypropylene and propylene copolymers and derivatives; and (C) polymers and copolymers based on other 1-olefins Many of these polymers, ... II.B.3— Polymers and Copolymers of Other 1-Olefins There are also commercially available homopolymers and copolymers made from higher 1-alkenes, such as 1butene, 3-methyl-1-propene (isobutylene), and ... Industrial Polymers Munich: Hanser Publishers, 1993 J Brandrup and E H Immergut Polymer Handbook New York: Wiley, 1975 J C Randall J Macromol Sci Rev Macromol Chem Phys C29:201, 1989 E Breitmaier and...

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carbon nanotube reinforced composites. metal and ceramic matrices, 2009, p.243

Danh mục: Vật lý

... transition metals, for example, Fe, Co and Ni, rare earths such as Y and Gd, and platinum group metals such as Rh, Ru and Pt [25–32] In this respect, the graphite anode is doped with such metal catalysts ... metal particles used for nanotube synthesis The bimetallic catalyst contains one metal from Group VIII including Co, Ni, Ru, Rh, Pd, Ir and Pt, and one metal from Group VIB including Cr, W, and ... been conducted on the synthesis, structure and property of CNTreinforced polymers The effects of CNT additions on the structure and property of metals and ceramics have received increasing attention...

báo cáo hóa học:" A comparison of Leg Length and Femoral Offset discrepancies in Hip Resurfacing, Large Head Metal-on-Metal and Conventional Total Hip Replacement: a case series" pot

Danh mục: Hóa học - Dầu khí

... Length and Femoral Offset discrepancies in Hip Resurfacing, Large Head Metal- on- Metal and Conventional Total Hip Replacement: a case series Katie A Herman1, Alan J Highcock2, John D Moorehead2 and ... [13] Altogether 19/20 patients with hip resurfacing and 4/20 patients with large head metal- onmetal and small head THR replacement met the set standard for leg length restoration This shows hip ... patients) and ≤4.62mm difference in femoral offset (10/20 patients) Hip resurfacing had the highest percentage of patients meeting these standards and the lowest average change in leg length and femoral...

preparation and functionalization of macromolecule-metal and metal oxide nanocomplexes for biomedical applications

Danh mục: Tiến sĩ

... of metal or metalloid elements surrounded by various types of ligands Metal alkoxides belong to a family of organometallic compounds which contain an organic ligand attached to the metal or metalloid ... on both the scientific and personal level, and for his amazing help with TEM, magnetization, and metal complex characterization Thank you to my SURP students David Fulks and Maggie Ashworth You ... Arbor, MI 48106-1346 Preparation and Functionalization of Macromolecule -Metal and Metal Oxide Nanocomplexes For Biomedical Applications Michael L Vadala Abstract Copolymer-cobalt complexes have...

Numerical studies on collective motion and polymer statistics

Danh mục: Cao đẳng - Đại học

... ﬂuids and try to understand the ﬂow ﬁeld generated by micro swimmers The second part of the thesis deals with polymer statistics Polymers are chains made up with repeating units For example, polymers ... hydrodynamic forces and try to understand the ﬂuid particle interactions Chapter then studies a single polymer statistics We will review some famous existing polymer models and then focus on the ... obviously linear and we can see that ψ1 and ψ2 can be solved separately, with the right hand side of (2.2.64) being − sin φ sin θMΩ and cos φ sin θMΩ respectively With the right hand side ﬁxed,...

Well defined silica polymer core shell hybrids and polymer hollow structures synthesis, characterization and application

Danh mục: Cao đẳng - Đại học

... SILICA -POLYMER CORE-SHELL HYBRIDS AND POLYMER HOLLOW STRUCTURES: SYNTHESIS, CHRACTERIZATION AND APPLICATIONS LI GUOLIANG M Sci., Polymer Chemistry and Physics Nankai University 2007 B Eng., Polymer ... and shell thickness of the SiO2 @polymer nanospheres with surface grafted binary brushes Table 5.3 Size, size distribution and shell thickness of the metal@ silica core-shell and metal@ silica @polymer ... synthesize hollow polymer micro- and nanospheres with novel morphology and functions via a combination of inorganic and polymer synthesis and optimize the applications of these hollow polymer structures...

Investigations of carbon nanotube based electronic devices with focus on metal and carbon nanotube contacts

Danh mục: Cao đẳng - Đại học

... nanotube and metal contact 1.2.1 Atomic structure of carbon nanotube and metal contacts 1.2.1.1 Carbon nanotube and metal contact with side-contact structure 1.2.1.2 Carbon nanotube and metal ... contacts between CNT and metal, the precise position and alignment of CNT, and the presence of both metallic and semiconducting CNTs during synthesis and the inability to remove all the metallic CNTs ... structure should be favorable for CNT and metal contacts One promising way to achieve CNT and metal end-contact is by forming metal carbide at the CNT and metal interface (Zhang et al., 1999)...

Synthesis and fabrication of nanostructional functional polymeric materials via plasma processes and polymer modification

Danh mục: Cao đẳng - Đại học

... contributes to both the polymer- forming and polymer- degrading processes Plasma polymerization is therefore a balance between the polymer- forming and the ablation process, and the balance can shift ... LITERATURE SURVEY Chapter 2.1 Fluoropolymers and Plasma Polymerization 2.1.1 Applications of Plasma Polymerized Fluoropolymers Fluoropolymer nanostructures and nanopatterns have broad applications ... Research Objectives and Scope … …………… … Chapter Literature Survey ………… ………………….….….……… …… 2.1 2.2 Fluoropolymers and Plasma Polymerization …………………… 10 Polymer Modification and Fine Polymer Nanostructures...

Transition metal and rare earth doped stoichiometric lithium niobate crystals for holographic recording

Danh mục: Cao đẳng - Đại học

... growth methods and constant wake my interest in the fundamental research In these years, their brilliance and wise counsel; their unique insights and perspectives and noteworthy talents and dedication, ... Karsten Buse and Demetri Psaltis and Ali Adibi [44, 60, 63, 64] and tested by several other groups [69 – 73] Their technique relies on crystals doped with two elements—iron [74] and manganese and exposed ... transition metal and rare earth dopants (Fe, Cu, Ce, Mn, Tb, Mg, Pr, In and Ru) [40, 49, 84, 91 – 98] used with CLN and SLN most promising from photorefractive properties point of view are Fe [41] and...

In vitro and in vivo evaluation of transferrin conjugated lipid shell and polymer core nanoparticles for targeted delivery of docetaxel

Danh mục: Tổng hợp

... synthesis and characterization of lipid shell and polymer core nanoparticles (LPNPs) are discussed in Chapter while the synthesis and characterization of transferrin conjugated lipid shell and polymer ... potential and drug encapsulation 49 efficiency of docetaxel-loaded lipid shell and polymer core nanoparticles Table 2: Size, polydispersity and zeta potential of docetaxel-loaded 60 PLGA/50-50 NPs and ... CHAPTER 3: SYNTHESIS AND CHARACTERIZATION OF LIPID SHELL 44 AND POLYMER CORE NANOPARTICLES 3.1 Introduction 44 3.2 Materials 45 3.3 Methods 45 3.3.1 Preparation of Lipid Shell and Polymer Core Nanoparticles...

Physical effects of nano particles and polymer on vesicles

Danh mục: Kỹ thuật - Công nghệ

... such as plasma membranes and various organelle membranes, which mainly consist of complex polymers and lipids 19 2.4 Rheology Rheology is an important area of colloid and polymer science Materials ... thickness and the number of lamellae; molecular weight; degree of polydispersity; vesicle-vesicle, vesicle-solvent and vesicle-other species (i.e., proteins, polymers, colloidal particles and others) ... effectiveness of drugs and minimize their toxicity by encapsulating the drugs in vesicles and delivering them efficiently and specifically to the affected areas (Hiemenz and Rajagopalan, 1997)...

Interaction between legionella pneumophila and biofilm forming organism pseudomonas aeruginosa

Danh mục: Tổng hợp

... structure and porosity, it was determined if there is any difference (in numbers and distribution pattern) in accumulation and persistence of L pneumophila in developing and mature biofilm, and if ... Microscopy Unit, and Toh Kok Tee from Flow Cytometry Unit for their invaluable technical assistance My family and husband, Clement Choo, for their generous love, unwavering support and relentless ... developing and mature P aeruginosa PAO1-CFP biofilms 87 4.5.1 Adhesion and persistence of L pneumophila in developing and mature biofilms 87 4.5.2 Distributions of L pneumophila cells in developing and...

Tài liệu METAL FORMING, SHAPING, AND CASTING docx

Danh mục: Kĩ thuật Viễn thông

... OH, 1980 Metals Handbook, 8th ed., Vol 4, Forming, Vol 5, Forging and Casting, American Society for Metals, Metals Park, OH, 1985 Moore, H D., and D R Kibbey, Manufacturing Materials and Processes, ... 34.18) The sand may be natural, synthetic, or an artificially blended material Molds The two common types of sand molds are the dry sand mold and the green sand mold In the dry sand mold, the ... large-diameter parts 42 Metal Molds and Cores In permanent-mold casting, both metal molds and cores are used, the metal being poured into the mold cavity with the usual gravity head as in sand casting Molds...

Nanocomposites metal-polymer, characteristics, properties, synthesis and applications

Danh mục: Hóa học - Dầu khí

... Guozhong Wu and Shimou Chen, Preparation ofoligochitosan stabilized silver nanoparticle by gamma irradiation, Radiation Physics and Chemistry 76 (2007) 1126 – 1131 [23] T.Tsuji, T Kakita and M Tsuzi, ... Mukherjee, A.Ahmad, D.Mandal, S.Senapati, SR.Sainkar, M.I.Khan, R.Parishcha, P.V.Ajatkumar, M.Alam, R.Kuma and M.Sastry, Fungus – Mediated Synthetic of Silver Nanoparticles and Their Immobilization ... P Mukherjee, S.Senapati, D Mandal, M.IKhan, R.Kumar and M.Sastry, Extracellular biosynthesis of silver nanoparticles using the fungus Fusarium oxysporrum, Colloids and Surfaces: Biointerfaces...

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Báo cáo hóa học: " Synthesis and Characterization of Metal Nanoparticle Embedded Conducting Polymer–Polyoxometalate Composites" doc

Danh mục: Báo cáo khoa học

... corresponding polymer polyoxometalate composites Different conducting polymers–polyoxometalate composites have been prepared by both chemical and electrochemical routes and used for photoelectrochemical and ... reducing agent for the metal (Ag and Au) ions to form metal nanoparticles The high-resolution transmission electron microscopic analysis revealed formation of metal embedded polymer nanostructures ... electrolytically [33], and with reductants [34] The reduced polyoxometalate has served as reducing agent and stabilizing agent for the formation of various metal nanoparticle–polyoxometalate composites...

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