Báo cáo hóa học: " Ultrasonic-aided fabrication of gold nanofluids" ppt

... result of five small particles. Figure 3 shows two examples of the second-type coa- lescence. Figure 3a shows an example of the coalescence of two nanoparticles with a projected shape of more ... investigate the size and shape of metallic nanoparticles, especially for gold nanoparticles. In our earlier paper [3], we reported the fabrication and microstructure of Au–Cu 2 O nan...

Ngày tải lên: 22/06/2014, 00:20

... easy peeling off of the top portion of the honeycomb film resulting from a strong adhesion of the polymer thin film to the substrates. The 2D array of nano-needles had about 10-nm radius of curvature ... of the peak-to-peak width of the re-entrant pattern, R the curvature at the peak of the pattern, θ the contact angle on a f lat surface, g lv the surface energy of the liqui...

Ngày tải lên: 20/06/2014, 23:20

... fabrication of gold/ polycarbonate (Au/PC) hybrid nano resonators on plastic substrates through a nano-transfer printing (nTP) technique, and the parametric studies of the resonant frequency of ... report the fabrication of gold/ polycarbonate (Au/ PC) hybrid mechanical nano resonators on plastic sub- strates through an nTP process, and the parametric study of the resonant fre...

Ngày tải lên: 21/06/2014, 06:20

... (JEOL JEM-2010) with an accelerating voltage of 100 kV. TEM samples were prepared by placing a drop of a dilute dis- persion of Cu nanoparticles on the surface of a 400-mesh copper grid backed with ... addition of NaOH to reach pH 11, as clearly demonstrated by the significant blueshift of ca. 214 nm in absorption peak of the relevant solutions (see curves a and b in the left pan...

Ngày tải lên: 22/06/2014, 00:20

... examples of nanoparticles several hundreds of nano- meters in size) made of inorganic or organic materials, which have many novel properties compared with the bulk materials [1, 2]. The fabrication of ... of Physics, Wuhan University, 430072 Wuhan, People’s Republic of China L. Fan School of Materials and Metallurgy, Wuhan University of Science and Technology, 430081 Wuhan,...

Ngày tải lên: 22/06/2014, 00:20

... Innovation Project from the Ministry of Education of China under Grant No. NK0713. The authors also thank Cui Guoxin (Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Science) for many helpful ... In order to compare the intensity of the luminescence of all the samples as accurately as possible, the position and power of the pumping beam and the width of the...

Ngày tải lên: 22/06/2014, 01:20

... a specific sexual behavior of exposing themselves to an ensemble of different types of HPV, or else the preexist- ence of a type of HPV could make it easier to acquire a new type of virus through an ... at the University of Caxias do Sul, and of the Editorial and Scientific Board of the General Hospital of Caxias do Sul, and did not present a conflict of interest. The Le...

Ngày tải lên: 20/06/2014, 01:20

... include a proof for the readers’ convenience and because it is the main point in computation of norms of eigenfunctions. Prop osition 2.6 [8, p. 306] If {P n } n =0,1,2 is a sequence of orthogonal ... orthogonality of eigen- functions of different degrees. Now, from the differential equation, determining the leading three coefficients of every P n and using Equation 2.4 leads to...

Ngày tải lên: 20/06/2014, 22:20

... regions (the end part of the saw-like edge, the middle part of the saw-like edge, and the part of the basal nanowire) indicated in panel (a). The insets of (b-d) show diffractograms of the Si region ... showing a large quantity of flexible Si NRs on the substrate. Most of the NRs have a thickness between 30 and 40 nm, a width of a few micro- meters, and a lengt h of a hundre...

Ngày tải lên: 21/06/2014, 01:20

... P(V ) is the family of all nonempty subsets of V and P n (V ) (resp., P ≤n (V )) is the family of all subsets of V of cardinality n+1 (resp., at most n + 1), n ∈ N. An element of P n (V ) is called ... properties of simplicial complexes Adam Idzik 1,2 and Anna Zapart ∗3 1 Institute of Mathematics, Jan Kochanowski University, Kielce, Poland 2 Institute of Computer Science, Po...

Ngày tải lên: 21/06/2014, 17:20