types preparation and properties of films and modified electrodes
Báo cáo vật lý: "Compatibility, Mechanical, Thermal, and Morphological Properties of Epoxy Resin Modified with Carbonyl-Terminated Butadiene Acrylonitrile Copolymer Liquid Rubber" pps
Ngày tải lên :
07/08/2014, 14:20
... strength and modulus of modified EPs A similar trend was found in the case of the tensile properties; the flexural strength and modulus of modified EPs are lower than those of the unmodified ... effect of CTBN content on the glass transition temperatures (Tg) of the EP Properties of Modified Epoxy Resin 3.3 Tensile Properties Table shows the effect of CTBN content on the tensile properties ... The effect of CTBN content and different testing speeds on the KIC of the EPs Properties of Modified Epoxy Resin In order to correlate the mechanical properties of the modified EP with morphology,...
- 12
- 360
- 0
Electrochemical syntheses and self assembly of nanostructure as modified electrodes for polythiophene preparation
Ngày tải lên :
17/09/2015, 17:17
... Bibliography 197 x List of Figures 1.1 Illustration of energy band structures of materials VB: valence band, CB: conduction band 1.2 Polaron and bipolaron structures of polythiophene ... Method and It's Applications 27 1.9 Properties and Characterization of Metal Nanoparticles 29 1.9.1 Solubility of Metal Nanoparticles 31 1.9.2 Size and Shape of Nanoparticles ... SYNTHESES AND SELF-ASSEMBLY OF NANOSTRUCTURE AS MODIFIED ELECTRODES FOR POLYTHIOPHENE PREPARATION ZHANG CHUNYAN (B Sc Nanjing University of P R China) A THESIS SUBMITTED FOR DOCTOR OF PHILOSOPHY...
- 247
- 400
- 0
Báo cáo hóa học: " Aqueous Solution Preparation, Structure, and Magnetic Properties of Nano-Granular ZnxFe32xO4 Ferrite Films" potx
Ngày tải lên :
21/06/2014, 17:20
... Izaki’s method, the incorporation of Zn into magnetite was finished by the deposition of magnetite film on ZnO thin film, so the Zn content of ferrite film and the magnetic properties cannot be well adjusted ... ions migrate to the surface of the Ag layer mediated by the electrostatic force, and the dehydration reaction is accompanied by the reactions of Eqs and The reduction of NOÀ ions to NOÀ ions is ... composed of fine Ag nano-granules of 1–10 nm in size The surface of the Ag layer possesses the large surface area of the fine Ag nano-granules Heterogeneous nucleation is promoted by the presence of...
- 6
- 396
- 0
Tài liệu Báo cáo "Preparation and characterization of nanocomposite TiO2/SnO2 films " pdf
Ngày tải lên :
13/02/2014, 04:20
... concentration of the SnCl4 solution, and the films were annealed at different temperatures and for different period of time Photoconductivity measurement In order to evaluate properties of obtained films ... steps of spray pyrolysis for TiO2 and sol-gel for SnO2 As prepared films exhibit a nanocomposite structure, constituting of a majority of TiO2 and a small amount of SnO2 located on the TiO2 grain ... Fundamental Research of Vietnam, Grant N 405606 References [1] N Castillo, D Olguin, A Conde- Gallardo, S Jiménez- Sandoval, Structural and morphological properties of TiO2 thin films prepared by...
- 5
- 614
- 0
Preparation and photoluminescence properties of amorphous silica nanowires
Ngày tải lên :
16/03/2014, 15:07
... formation of SiO2 nanowires can obtained through XPS The two strong peaks at 103.35 and 532.65 eV as shown in Results and discussion TEM micrography shows the general morphology and dimension of SiONWs ... Fig 1(b) indicates the amoeba-shape of the nanowires, with the diameter of about 70 nm and a length up to tens of micrometers Fig 1(c) shows frog-egg morphology of the nanowires, which is similar ... tops of the nanowires [17] The growth of the nanowires Fig XPS of the sample (a) survey spectrum of the sample; (b) Si2p binding energy spectrum; (c) O1s binding energy spectrum Fig PL spectrum of...
- 4
- 368
- 0
preparation and properties of magnetic iron oxide nanotubes
Ngày tải lên :
20/03/2014, 13:06
... spectra of samples S2 (a) and S3 (b) can be exclusively indexed to ␣-Fe2 O3 , according to standard data (JCPDS 33-0664) In Fig 1(b) and (c), the reflection peaks of XRD patterns of S2 and S3, ... in sample S3 (e and f) B Lv et al / Particuology (2008) 334–339 and outer and inner diameters of 70–120 nm and 45–80 nm, respectively Fig 3(c) and (d) show the morphologies of Fe3 O4 nanotubes ... López-Urías, and Mu˜ oz-Sandoval (2005) n simulated the micromagnetic property of iron nanorings, and they found large coercive fields for din /dout > 0.5 (din and dout are the inner and outer diameters of...
- 6
- 552
- 0
Báo cáo toán học: " Structural and optical properties of ZnS thin films deposited by RF magnetron sputtering" potx
Ngày tải lên :
20/06/2014, 21:20
... temperatures on the structural properties of the films has been investigated, and the optical properties of the films have also been analyzed Methods Synthesis ZnS films were deposited onto a Corning ... designed and carried out the experiments and wrote the first draft of the manuscript JHA analyzed the properties and helped draft the manuscript KNH and KSH detailed the original idea and modified ... However, the FWHM value of the film prepared at 400°C increased to 0.154°, indicating the deterioration of the crystallinity of the films The mean crystallite sizes of the films were about 22.3,...
- 7
- 521
- 0
Báo cáo hóa học: " Preparation and characterization of superhydrophobic surfaces based on hexamethyldisilazane-modified nanoporous alumina" pptx
Ngày tải lên :
21/06/2014, 01:20
... measurements and the analysis of the spectra and carried out the analysis of the water contact angles on nanoporous alumina AK and CE participated in the design of the study and coordination of the ... of HMDS Page of with the alumina surface occurs by the dissociative chemisorption of HMDS via reaction of coordinatively unsaturated Al + and O-sites Subsequent reaction of pendant -O-SiMe3 and ... Figure 4) The wetting properties of unmodified thin film and nanoporous alumina surfaces were used as a reference Both unmodified alumina surfaces were wetted completely by water and, thus, they were...
- 8
- 462
- 0
Báo cáo hóa học: " Preparation and properties of copper-oil-based nanofluids" ppt
Ngày tải lên :
21/06/2014, 03:20
... shown in Figure 2b, the bands of C-H and OCH2 are also observed in the surface -modified Cu nanoparticles, while the absorption peaks of P = S and P-S shifts, and the bands of N-H mostly disappear ... Netherlands) A Nexus 470 Fourier transform infrared spectrometer (NICOLET, USA) was employed to observe the changes of organic functional groups Preparation of nanofluids Three types of nanofluids ... r and ν are the density and kinematic viscosity of the nanofluid, respectively, at the same temperature Measurements of the thermal conductivities of Cu nanofluids were performed by means of...
- 7
- 332
- 0
Báo cáo hóa học: " Effect of Composition on Electrical and Optical Properties of Thin Films of Amorphous GaxSe1002x Nanorods" pptx
Ngày tải lên :
21/06/2014, 17:20
... frequency doubling and fast optical gating [11] and behaves as an X-ray detector [12] Electronic and optoelectronic properties of GaSe, GaS, and InSe materials indicate the possibilities of realizing ... well-established knowledge of the electrical and optical properties of GaSe thin films, in this paper, we report the results on electrical and optical measurements of amorphous thin films of GaSe nanorods ... diameter of the nanorods varies from 140 to 180 nm, and the length is of several hundreds of nanometers Figure presents the temperature dependence of the dc conductivity of thin films of a- GaxSe100-x...
- 6
- 413
- 0
Báo cáo hóa học: "Surface Morphological and Nanomechanical Properties of PLD-Derived ZnO Thin Films" docx
Ngày tải lên :
22/06/2014, 01:20
... film-only properties In addition, a plot of Young’s modulus of ZnO thin films on three various substrates determined using the method of Oliver and Pharr [18] is illustrated in Fig 2(c) The variation of ... particular reference to the effects of substrates on mechanical properties of thin films/substrates systems Experimental Details The Growth Conditions of ZnO Thin Films ZnO thin films were grown on ... ð7Þ where Pmax and h(w) are denoted as the driving force and the displacement response of the indenter, respectively; U is the phase angle between Pmax and h(w); m is the mass of the indenter...
- 8
- 355
- 0
Báo cáo hóa học: " Effect of Substrate Morphology on Growth and Field Emission Properties of Carbon Nanotube Films" pptx
Ngày tải lên :
22/06/2014, 01:20
... characteristics of the MWNTs and overall morphology of the films are critical for FE This is also important because both structure and morphology of CNT films strongly depend on growth techniques and related ... motivation of the present study was to investigate the effect of substrate morphology on the growth of CNT films by an MPECVD process and investigate their comparative FE properties and structure–morphology ... Results and Discussion SEM micrographs of mechanically polished and the electrochemically etched Si wafers are shown in Fig 1a, b, respectively Randomly oriented pits of different shapes and size...
- 8
- 368
- 0
báo cáo khoa học: " Preparation and properties of the specific anti-influenza virus transfer factor" pot
Ngày tải lên :
11/08/2014, 20:20
... to the range of normal TF (Table and Figure 1, 2) And the ratio of A260 to A280 was up to the criteria of National Health Department on transfer factor Contents of polypeptides and nucleotides ... lucidity Analysis of amino acids Three milliter of the sample of Specific and non-specific TF were added eight percent of Sulfonic-Salicylic acid for three milliter respectively and put at quiescence ... content of polypeptides in TF indicated that content of specific was higher than that of non-specific and was also closed to normal transfer factor sold on the store (Figure and Table 4) And the...
- 7
- 269
- 0
Preparation and characterization of tio2 nanotube arrays via anodization of titanium films deposited on FTO conducting glass at room temperature
Ngày tải lên :
02/09/2015, 13:33
... morphology of the nanotube arrays is getting clear owing to the obvious thinning of the porous structure The pore diameter and the length of the nanotubes with roughness and ripples at the bottom of ... characteristic peaks of the as-anodized sample (Fig.6(a)) not arise from the TiO2 but from the conducting film (SnO2 and SnO) of Fig.6 XRD patterns of nanotublar TiO2/FTO electrodes annealed FTO and Ti, contributing ... Photoelectrochemical characterization of nanotubular TiO2/FTO electrodes Figs.7 and show the photocurrent response curves and electrochemical impedance spectra (EIS) of nanotubular TiO2/FTO electrodes annealed...
- 7
- 384
- 0
DEFECT INDUCED NOVEL ELECTRICAL, MAGNETIC AND OPTICAL PROPERTIES OF TIO2 THIN FILMS GROWN BY PULSED LASER DEPOSITION
Ngày tải lên :
08/09/2015, 15:20
... resolution with some respect to FTIR spectroscopy and its versatility and simplicity in terms of sample handling, preparation and the possibility of acquisition of the whole spectra (4000 to 10 cm-1) with ... application of identification of compounds, there are a large number of reported works on the characterisation of concentration and mobility of free carriers, strain and crystal quality, determination of ... the lower edge of the O2p-like valence band and extend almost through the whole band Whereas, the uppermost valence band edge consists of pz-type states that form the lone pair (out -of- plane) π...
- 142
- 339
- 0
Microstructure, tunable and pyroelectric properties of laser ablated ba (zr0 25 ti0 75) o3 thin films
Ngày tải lên :
10/09/2015, 15:48
... tunable and pyroelectric properties of BZT thin films 1.2 The Scope of Thesis The aim of present research is to study the variations of microstructures and their correlations to the tunable and induced ... microstructures and properties of BZT thin films observed from the increase in deposition temperature Td and annealing duration ta …………………………66 Table 5.1 Changes in microstructures and properties of BZT ... encouragement, and understanding throughout my PhD candidature ii TABLE OF CONTENTS Title Page i Acknowledgments ii Table of Contents iii Summary of Thesis vii List of Table Captions ix List of Figure...
- 152
- 275
- 0
Preparation and characterization of ferroelectric thin films for tunable and pyroelectric applications
Ngày tải lên :
10/09/2015, 15:48
... the tunable and pyroelectric properties of the B-site doped BaTiO3, i.e., Ba(Ti1-xSnx)O3 (BTS) thin films The effects of stress and microstructure on the tunable properties of BTS thin films have ... high-quality growth template and effective diffusion barrier to reduce the dielectric loss and leakage current of the BTS films Improved tunable and pyroelectric properties of BTS films have been achieved ... dependence of P and FD of the BTS thin films at different applied electric fields (at 20 oC)……………………………………… 61 Table 5.1 Dielectric properties of BTS thin films buffered with BZN of different...
- 169
- 507
- 0
Application of micro cantilevers in characterization of crystallization induced stresses and mechanical properties of amorphous thin films
Ngày tải lên :
11/09/2015, 09:16
... Chapter and present the results and analysis, respectively, of the density changes in Cu-Zr and Zr-Cu-Al systems The measurement of Young’s moduli and coefficients of thermal expansion of amorphous ... of Young’s modulus and coefficients of thermal expansion of amorphous Cu-Zr thin films - 162 7.1 Measurement of Young’s modulus of amorphous Cu-Zr thin films - 162 7.1.1 ... elastic moduli and CTE of metallic glasses The contents of the thesis are arranged as follows: Chapter is a review of the fundamentals of phase-change materials and metallic glasses, and provides...
- 236
- 467
- 0
Tìm thêm:
- hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam
- xác định các mục tiêu của chương trình
- xác định các nguyên tắc biên soạn
- khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn
- khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản
- khảo sát chương trình đào tạo gắn với các giáo trình cụ thể
- xác định thời lượng học về mặt lí thuyết và thực tế
- tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam
- điều tra đối với đối tượng giảng viên và đối tượng quản lí
- điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1
- khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam
- khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu
- nội dung cụ thể cho từng kĩ năng ở từng cấp độ
- xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct
- phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ
- mở máy động cơ lồng sóc
- mở máy động cơ rôto dây quấn
- các đặc tính của động cơ điện không đồng bộ
- hệ số công suất cosp fi p2
- đặc tuyến hiệu suất h fi p2