Báo cáo " Growth of CdS thin films by chemical bath deposition technique " pptx
Báo cáo " Growth of CdS thin films by chemical bath deposition technique " pptx
... VNU Journal of Science, Mathematics - Physics 24 (2008) 119-123 119 Growth of CdS thin films by chemical bath deposition technique Be Xuan Hop*, Ha Van Trinh, Khuc ... spray pyrolysis [6], chemical bath deposition [7]. Chemical bath deposition is a method of growing thin films of certain materials on a substrate immersed in an aqueous bath containing appropriate ... heterojunction thin films solar cells. Multilayered CdS films can be employed in the manufacture of the optoelectronic devices. The deposition of CdS film has been explored by various techniques,...
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Tài liệu Báo cáo " Survey of WO3 thin film structure built on ito/glass substrates by the Raman and xrd spectroscopies" doc
... and because of the heteroepitaxial growth of films WO3 in which the parameters of plane ITO (440) are slightly larger than the ones of WO3 planes. The relation between shifts of XRD peaks ... decrease of the magnitude of peak (200) and a raise of peak (001). Moreover, peak (020) is shown obviously in the case of 250 nm. When the ITO layer have a thickness about 300 nm, a growth of WO3 ... size of WO3 film were determined by Scherrer equation and all of them valued in 30 nm to 35 nm. 3.2. Micro – Raman Studies Due to structural modifications of WO3 films, deposited on of ITO...
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Báo cáo " Development of a spectrometry system Using lock-in amplification technique " doc
... in spectrum region of 7500 -16675 cm-1 (for the first order of the grating) and in the region of 16675- 28700 cm-1 (for the second order of grating). The optical schematic of the GDM-1000 is ... Department of Physics, College of Science, VNU Abstract. Raman spectroscopy and optical second-harmonic (SH) spectroscopy has a very important role in studies of optical properties of materials. ... extract samples a-Sample 5B110 excited by Argon laser; b- Sample 5B110 excited by He-Ne laser c-Sample 5B115 excited by Argon laser; d- Sample 5B115 excited by He-Ne laser We carried out several...
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Báo cáo " Effects of biosolids application on soil chemical properties in peri-urban agricultural systems " doc
... of this paper was to quantify the effects of reuse of biosolids (in the form of animal manure) as nutrient sources by: (i) investigating the effects of biosolids application on soil pH, EC, ... time) application of biosolids. The application of biosolids increased the EDTA-extractable fraction of Cd, Cu and Zn, but had no effect on NH4NO3-extractable fractions of these elements. ... strategy and sample preparation For assessment of the impact of biosolids on agricultural soils, 3 to 5 sub-samples were collected within a circle of 2 m diameter in all treatments and then were...
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Báo cáo "Investigation of zinc oxide thin film by spectroscopic ellipsometry " ppt
... determination of optical constants of thin films. In this study, we present the results gained by analyzing spectroscopic ellipsometry of ZnO thin film combined with comparison of transmission ... form 26 March 2008 Abstract. ZnO films were deposited on glass substrates by magnetron RF-sputtering. An accurate determination of the optical constants of these films is extremely important prior ... VNU Journal of Science, Mathematics - Physics 24 (2008) 16-23 16 Investigation of zinc oxide thin film by spectroscopic ellipsometry Nguyen Nang Dinh1∗,...
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Báo cáo y học: "Pre-hospital intubation by anaesthesiologists in patients with severe trauma: an audit of a Norwegian helicopter emergency medical service"
... system of Norway, and its primary areas of operation are themixed urban and rural districts of Rogaland County,which consist of just over 400,000 inhabitants. The medi-cal conditions treated by ... Aeronautics score of 4 - 7 during the period of 1994-2005 from a mixedrural/urban Norwegian HEMS was performed.Results: Among the 1255 cases identified, 238 successful pre-hospital ETIs out of 240 attempts ... the use of pre-hospital ETI inseverely traumatised patients treated by anaesthesiologists in a Norwegian helicopter emergency medical service(HEMS).Methods: A retrospective audit of prospectively...
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Báo cáo y học: "Spontaneous Hemoperitoneum Caused By a Diverticulum of the Sigmoid Colon"
... University of Korea, Seoul, Korea 2. Department of Obstetrics and Gynecology, College of Medicine, The Catholic University of Korea, Seoul, Korea Corresponding author: Sung Jong Lee, Department of ... Hemoperitoneum Caused By a Diverticulum of the Sigmoid Colon Bong Hyeon Kye1, Hyung Jin Kim1, Joo Hee Yoon2, Dong Choon Park2, and Sung Jong Lee2 1. Department of Surgery, College of Medicine, ... diverticulum is very rare. Here, we report the case of a 35-year-old woman with hemoperitoneum caused by the bleeding of the serosal vessel of the sigmoid colon diverticulum. The bleeding focus...
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Tài liệu Báo cáo " Deodorization of food wastewater by using strong oxidants " pdf
... explained by precipitation of Ca2+ with soluble pollutants. Effect of CaOCl2 concentration Wastewater was added with a range of 40 - 200 mg/l of CaOCl2 with fixed 4.4 g/l of CaO. From ... concentration of oxidant should be increased rather than elongate the treatment time. Effect of CaO concentration Concentration of CaO was varied in range of 3.2 to 4.8 g/l with 0.25 g/l of CaOCl2 ... at pH 7-8.5, 4 gram/l of CaO or 120 milligram/l of CaOCl2, 2.4 milligram/l of KMnO4 or 1.6 ml/l of H2O2 can be useful separately. The recommendation is using of CaOCl2 for the best...
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Tài liệu Báo cáo "Effect of the preparation conditions on the properties of Fe-Pt nanoparticles produced by sonoelectrodeposition " pptx
... Recently, chemical and physicochemical methods have been successfully used to make Fe-Pt nanoparticles, thin films. This paper reported another physicochemical method, namely sonoelectrodeposition, ... magnetization, µ0Ms, of 1.4 T, the Currie temperature, Tc, of 750 K, and the crystalline anisotropy K1, of 7 MJ/m3 [2]. Despite the high cost of Pt, FePt thin films or particles have ... formed by many small domains of pure Fe and Pt. The formation of FePt by electrodeposition was not occurred and may be ascribed to the large difference in the standard electrode potential of the...
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