phase behavior and solubility of metal oxides

ADSORPTION OF pb AND cd ONTO METAL OXIDES

... 71% of the bio®lm Mn, but also removed 14% of the Fe, 39% of the Al and 32% of the organic material (Table 2) Na2S2O4 removed 83 and 92% of the Fe and Mn, respectively, but also removed 83% of ... Pb and Cd adsorption, and adsorption to bio®lms extracted with oxalic acid was only slightly greater than that of bare glass (Figs and 3) Relative contributions of metal oxide and organic phases ... analysis of Cd adsorption isotherm data for extracted and unextracted bio®lms Error bars indicate 2one standard deviation than that of organic material and Al oxides and similar to that of Fe (Fig...

the role of morphology and crystallographic structure of metal oxides

Danh mục: Vật lý

... noble metal clusters accumulate at the step edges of metal oxides (see Fig 31) Due to this behavior of noble metals, an increase of terrace area should be accompanied by an increase in the size of ... reducible oxides as TiO2, Fe2O3, SnO2, and ZnO, where shallow donor states provide a rise to a high density of electrons in the conduction band 2.4 The role of morphology and porosity of metal oxides ... effects of metal oxide doping include formation of p–n junctions, the appearance of transitional areas and layers acting as catalytic ﬁlters, the changes in the valency of metal state, and others...

Tài liệu Báo cáo khoa học: Neuronal growth-inhibitory factor (metallothionein-3): reactivity and structure of metal–thiolate clusters* doc

Danh mục: Báo cáo khoa học

... Thiolate is a soft ligand and therefore shows a preference for soft metals Moreover the structures of metallothioneins are not rigid and hence there is little selectivity concerning the size of the ion ... reactivity of metal thiolate clusters, normally concerning all metallothioneins, are given In the case of Zn (and Cd) the metal is bound by thiolates (i.e deprotonated thiol groups of cysteine) ... [6] of the metal ions Cooperative binding has been reported but is not always found, being dependent on the type of metal, the type of cluster and the pH [2,5,8] In contrast to Zn(II)-MT and...

Tài liệu Mountain Goats Ecology, Behavior, and Conservation of an Alpine Ungulate doc

Danh mục: Cao đẳng - Đại học

... rapidly and is generally cold and often windy Weather is a major factor affecting fieldwork and data collection Snowfalls of 20 cm or more and temperatures of –4°C or less can happen at any time of ... an understanding of the basic ecology of animals That deceptively simple statement conceals a difficult problem, because understanding the “basic ecology” of species demands years of research ... winter ranges north and east of Caw Ridge are under increasing pressure from logging activities and oil and gas exploration (Smith 2004; Smith et al 2000), and the future of woodland caribou in Canada...

Health-related behavior and quality of life among the elderly: a population-based study pot

Danh mục: Sức khỏe người cao tuổi

... risk and promotes the prevention and control of most chronic diseases.4,25 Excess consumption of alcohol increases the risk of several diseases and is associated with increased risk of injuries and ... income, work status, place of residence and number of chronic conditions component of quality of life, and smokers showed poorer quality of life than never-smokers The results of the present study ... distress and well-being, objective reports and subjective ratings, and positive and negative self-evaluations of health status.a The SF-36 was translated and validated in several languages and cultures...

Báo cáo Y học: Extra terminal residues have a profound effect on the folding and solubility of a Plasmodium falciparum sexual stage-speciﬁc protein over-expressed in Escherichia coli pptx

Danh mục: Báo cáo khoa học

... folding or of increased solubility of the protein of interest We propose that the success of fusion protein systems should be ascertained only once the protein of interest has been cleaved off and shown ... enhanced solubility phenomenon observed in Pfg27A, we identiﬁed three key issues: (a) the role of the N-terminal extension; (b) the role of the D to N mutation; and (c) the role of the sequence and ... presence of 17 extra residues at the C-terminal end It is probable that MBP and the C-terminal extension both contribute to the high yield and solubility of Pfg27A in a complex process of assisted...

A novel sonochemical synthesis of metal oxides based bhasmas

Danh mục: Hóa học - Dầu khí

... corresponding metal oxides [eq.2] Thus palladium, water and ultrasound energy were used to convert transition metal salts into their oxides [eq 3] Synthesis of dry bulk metal oxides The Pd-based metal oxides ... existing processes for the synthesis of metal oxides [21] Characterisation of bulk metal oxides Dry Pd-based metal oxides were characterized using SEM-EDX, XRD and DLS methods to determine the chemical ... composition of surface was made up of atoms of palladium, copper and oxygen The XRD spectra confirmed the phases as palladium and copper (II) oxide This novel sonochemical synthesis of metal oxides...

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

Danh mục: Báo cáo khoa học

... (220), and (311) planes of standard cubic phase of Au (Fig 2b) Fig XRD patterns of (a) Ag-PAni-PMo12 and (b) Au-PAni-PMo12 Nanoscale Res Lett (2008) 3:14–20 Fig FTIR spectra of (a) Ag-PAni-PMo12 and ... 123 Fig UV–Vis spectra of (a) 10 mM PMo12 (b) a mixture of mM PMo12 and 20 lL of aniline (c) after addition of 10 mM AgNO3 (d) after addition of 10 mM HAuCl4 resonance of Ag and Au nanoparticle ... (Ag-PAni-PMo12 and Au-PAni-PMo12) and characterization of the formed composites The PMo12 as reagent for simultaneous oxidation of aniline and reduction of metal salts for the synthesis of nanocomposites...

Design, synthesis and applications of Metal Organic Frameworks

Danh mục: Kỹ thuật

... MOFs utilizing this family of ligands failed to yield any MOF We have successfully synthesized new MOFs utilizing 4-(imidazolyl) benzoic acid ligands: Cu MOF-3N, Cu MOF-4, Cu MOF-5 and Cd MOF-3 ... metal ions and organic ligands, it is possible to tailor the structures and sizes of pores within MOFs by design Because of the wide variety of coordination geometries offered by transition and ... host-guest behavior of MOFs in many areas of chemistry, with the vast majority of applications focusing on the sorption behavior of isoreticular MOFs Yaghi and others are developing IRMOFs as host...

Báo cáo y học: " An association between the acute phase response and patterns of antigen induced T cell proliferation in juvenile idiopathic arthritis" ppt

Danh mục: Báo cáo khoa học

... TetTox (a) Example of restricted pattern of response to antigens Bars indicate mean proliferation and standard deviations of triplicate values (b) The proliferative responses to SLO and TT observed ... when the acute phase was low and a diverse pattern when the acute phase was high Patient B exhibited a diverse pattern when the acute phase was high and this was lost when the acute phase was low ... the kind gift of the Act-1 antibody We are grateful to Professor Mike Salmon and Professor Chris Buckley for critical reading of the manuscript We acknowledge the financial support of the Henry...

báo cáo khoa học: " Hydrophobic silver nanoparticles trapped in lipid bilayers: Size distribution, bilayer phase behavior, and optical properties" pot

Danh mục: Báo cáo khoa học

... lipid system because of its well-characterized phase behavior [8] Vesicle size, stability, and bilayer phase behavior were examined as a function of nanoparticle loading and temperature Ag LNAs ... intensity, V and H represent the vertical and horizontal orientation of the excitation and emission polarizers, and G = IHV/IHH accounts for the sensitivity of the instrument towards vertically and horizontally ... and size distribution of DPPC vesicles as a function of Ag-decanethiol nanoparticle loading and storage temColloidal Colloidal stability and size distribution of DPPC vesicles as a function of...

behavior and design of open steel box girder bridges by up-down construction method

Danh mục: Tiến sĩ

... effects of some structural characteristics on the behavior of steel box girder These parameters include the variation of lifting upward and lowering downward height, the length and depth of bottom ... length of partial prefabricated concrete slab and the steel strength A modification of the time-dependent behavior for double composite section with difference in ages and modulus of elasticity of ... Maximum values of height and thickness of web and flanges 125 6.5 Summary of variables and constraints 125 6.6 Results of optimization 133 6.7 Comparison of closed section, open section...

Structure, magnetic and transport properties of magnetic oxide materials and exploration of magnetic oxides semiconductor (zno) heterostructures

Danh mục: Thạc sĩ - Cao học

... density of states of majority ( ) or minority electrons at the Fermi level Figure 1.1 shows the density of states (DOS) of a non-magnetic metal and a magnetic metal Since the number of spin up ( ) and ... of the CoFe2O4 / ZnO /SiO2, and the enlarged (333) diffraction of the CoFe2O4 films with different thicknesses 143 Figure In plane and out of plane hysteresis loops of the CoFe2O4 (40nm) ... 300K and 5K 116 XI LIST OF FIGURES Figure 1 The density of state of non-magnetic, ferromagnetic, and half metallic meterials Figure Schematic diagram of Spin filter tunneling Below the TC of...

DESIGN, SYNTHESIS AND PROPERTIES OF METAL COMPLEXES AND COORDINATION POLYMERS FOR 2+2 PHOTO CYCLOADDITION REACTIONS

Danh mục: Kỹ thuật - Công nghệ

... geometry of IV-1 with labels, H- 4-6 bonded chains, and packing of showing the alignment of 4spy ligands XVIII Figure 4-2 TGA and DTG of IV-1 4-7 Figure 4-3 4-10 H-NMR spectra of IV-2 before and after ... (MOFs), Metal- Organic Materials (MOMs) and so on The potential of these compounds is evident from the recent commercialization of five MOFs.[15] Figure 1- A schematic representation of a MOF ... properties in terms of gas storage, separation and selective guest separation is possible via the judicious choice of basic building units of metals or metal clusters, organic ligands and linkers.[18]...

Phase behaviour and rheology of solutions of associative polymer and surfactant

Danh mục: Cao đẳng - Đại học

... macroscopic phases: a cloudy phase in between a clear phase and a bluish, translucent phase The rate of phase separation was very slow in a matter of several days with the formation of the clear and ... literature review in Chapter on the phase behavior of mixed solutions of HMPs and surfactants, before presenting the results on the phase behavior of aqueous solutions of hydrophobically modified hydroxyethyl ... the later part of Chapter These results are nontrivial in our opinion, and hopefully will advance our understanding of the phase behavior of mixed solutions of associative polymer and surfactant...

Phase behaviour and modeling of low and high solid biopolymer mixtures a treatise

Danh mục: Cao đẳng - Đại học

... “Morphology and Mechanical Properties of Bicontinuous Gels of Agarose and Gelatin and the Effect of Added Lipid Phase Langmuir, 25 (15), 8763-8773 Shrinivas P and Kasapis S (2010) “Unexpected Phase ... investigating the effect of incorporation of a lipid phase on the stability, gelling behavior and mechanical profile of a three phase system comprising gelatin, agarose and a lipid The present ... temperature and time of observation for gelatin and agarose on cooling to 25oC 31 Figure 4.3 Calibration curves of storage modulus as a function of polymer concentration for agarose and gelatin at and...

Fabrication, characterization and application of metal tetraaminophthalocyanine polymer nanostructures

Danh mục: Cao đẳng - Đại học

... Therefore, the properties of nanostructures can be widely adjustable by changing their size, shape and processing conditions Nanostructures of metals, semiconductors, and inorganic and organic polymers ... 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 ... fabrication of nanostructures by chemical methods Self-assembled monolayers (SAMs) of thiolates have been fabricated with noble metals making use of the high affinity of thiols towards these metals...

BEHAVIOR AND HANDLING OF THE SHIP

Danh mục: Tài liệu khác

... Effect of Bow Thruster During Sternway Rudder or Bow Thruster/Tug Comparing Use of Tug and Bow Thruster Tug and Pivot Point Tugs, Wind, and Pivot Point Use of Tugs 19 20 Effect of Wind and Current ... distance of the point of impact of the forward tug to the pivot point and consequently reduces the effective leverage of the forward tug At the same time, the distance of the point of impact of the ... the line handling skill of the crew, 32 on the correct position of the fairleads, bitts, and winches, and on the capacity of the winches When the winches can exert a force of 15 ton each and not...

Insights into solid phase characteristics and release of heavy metals and arsenic from industrial sludge via combined chemical, mineralogical, and microanalysis

Danh mục: Báo cáo khoa học

... variety of phases, namely phases with high Zn-Ni-P-Fe and phases with high Al-Si content The coexistence of Zn, Ni, P, and Fe, as observed in the map, suggests that Fe and PO43−-rich phases are ... compositions of the phases Results reveal the presence of quartz (spots and 2, Table and Fig 2), phosphorus (spots 3, 4, 5, 6, 7, 12, and 13), and sulfur species Although some HMs (Cr, Ni, and Zn) ... Mg, P, and S) and anions (SO42− and PO43−) are mentioned because of their relevance for interpretation of release mechanisms of elements of interest Cascade leaching tests Figure shows pH and cumulative...

gas - sensing properties of tin oxide doped with metal oxides and carbon

Danh mục: Vật lý

... Professor at the Faculty of Environment and Chemistry, Hung-Yen University of Technology and Education His research activities are related with the design, fabrication and characterization of ... in Fig 3a and b It seems that the optimized operating temperatures of the sensor to ethanol gas and LPG are around 350 and 250 ◦ C, respectively It can be recognized that all the metal oxides- doped ... characteristics of (1 wt%) metal oxides (PtO2 , Fe2 O3 , CuO, La2 O3 )-doped sensors to ethanol gas and LPG have indicated in Fig The sensor responses as a function of operating temperature to LPG and ethanol...

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