Báo cáo vật lý: "WATER QUALITY RESPONSE TO CLEAR FELLING TREES FOR FOREST PLANTATION ESTABLISHMENT AT BUKIT TAREK F R , SELANGOR" doc
Báo cáo vật lý: "WATER QUALITY RESPONSE TO CLEAR FELLING TREES FOR FOREST PLANTATION ESTABLISHMENT AT BUKIT TAREK F.R., SELANGOR" doc
... Science, Vol. 18(1 ), 33–4 5, 2007 33 WATER QUALITY RESPONSE TO CLEAR FELLING TREES FOR FOREST PLANTATION ESTABLISHMENT AT BUKIT TAREK F. R. , SELANGOR Marryanna, L. *, Siti Aisah, S. and Saiful ... Bukit Tarek F. R. , Kerling Selangor with the establishment of forest plantation. Seven years of water quality data were analysed...
Ngày tải lên: 07/08/2014, 14:20
Báo cáo vật lý: "ATTENUATION STUDIES ON DRY AND HYDRATED CROSS-LINKED HYDROPHILIC COPOLYMER MATERIALS AT 8.02 TO 28.43 keV USING X-RAY FLUORESCENT SOURCES" ppt
... (XRF) apparatus is as shown in Figure 1. X-ray photons from the tube pass through a 5 mm diameter collimator towards the target. The target atoms are excited causing them to produce XRF photons ... mass attenuation coefficients of the hydrophilic materials are consistently lower than the calculated Breast 1 values, except at 28.43 keV. In fact, from Figure 5, the data points for...
Ngày tải lên: 07/08/2014, 14:20
Báo cáo vật lý: "Volumetric and Thermodynamic Studies of Molecular Interactions in Ternary Liquid Mixtures at 303, 308 and 313K" pptx
... E-merck, (Germany ), without further purification. In all systems, the various concentrations of the ternary liquid mixtures were prepared in terms of mole fraction, out of which the mole fraction ... made to obtain ultrasonic velocity data for ternary liquid mixtures. 11–13 However, no thermodynamic studies have been conducted for ternary mixtures of N,N-dimethylformamide (D...
Ngày tải lên: 07/08/2014, 14:20
Báo cáo vật lý: "Influence of the Silica-to-Surfactant Ratio and the pH of Synthesis on the Characteristics of Mesoporous SBA-15" ppt
... water bath shaker at 40 o C with 120 rpm for one day. The precipitated product was then filtered, washed with water and air-dried at room temperature. Finally, calcination was carried out at ... precursor. For that reason, the TEOS to triblockcopolymer (TCP) ratio and the pH effect were chosen to be further investigated in this study. Elucidation of the characteristics of t...
Ngày tải lên: 07/08/2014, 14:20
Báo cáo vật lý: "PREPARATION OF SELENIUM-DOPED ACTIVATED CARBON AND ITS UTILIZATION FOR IMPROVING THE QUALITY OF USED COCONUT OIL" pps
... hydroperoxide which are unstable, reactive Preparation of Selenium-Doped Activated Carbon 20 11. Bertolino, F. A ., Torriero, A.A.J ., Salinas, E ., Olsina, R. , Martinez, L.D. & Raba, J. (2006). Speciaction ... Metabolism , 96 3, 161–169. 4. Giuffrida, F. , Destaillats, F. , Egart, M.H ., Hug, B ., Golay, P A ., Skibsted, L.A. & Dionisi,...
Ngày tải lên: 07/08/2014, 14:20
Báo cáo vật lý: "LOSS OF STORAGE AREAS DUE TO FUTURE URBANIZATION AT UPPER RAMBAI RIVER AND ITS HYDROLOGICAL IMPACT ON RAMBAI VALLEY, PENANG, PENINSULAR MALAYSIA" pps
... study of stream flow characteristics of seven watersheds with different degrees of urbanization in Atlanta, Georgia. 4 Based on stream flow record for the period from 1958 to 199 5, the peak flows ... that base flow increased more significantly compared to direct runoff due to reduce evapotranspiration and ponding effects immediately after deforestation. The direct runoff did...
Ngày tải lên: 07/08/2014, 14:20
Báo cáo vật lý: "Enzymatic Reduction of Ketones to Optically Active Secondary Alcohols" ppsx
... enzymatic reduction of a number of ketones has been optimized in which the time required for such process has been reduced dramatically by increasing the temperature of the fermentation step to ... vigorously for 24–48 h at room temperature unless otherwise mentioned. The reaction mixture was filtered with the help of a pad of cotton and the filtrate was saturated with solid sodiu...
Ngày tải lên: 07/08/2014, 14:20
Báo cáo vật lý: "Effect of Treated and Untreated Filler Loading on the Mechanical, Morphological, and Water Absorption Properties of Water Hyacinth FibersLow Density Polyethylene Composites" pdf
... other thermoplastic polymers. Several different natural organic fillers such as wood fibers and flour, kenaf fibers, sago, rice starch, cornstarch, henequen fibers, and pineapple-leaf fibers, ... of recycled HDPE and wood flour from CCA-treated wood removed from service. Compos. Part A, 35(30 ), 347–355. 4. Morreale, M ., Scaffaro, R. , Maio, A. & La Mantia, F. P. (2008)....
Ngày tải lên: 07/08/2014, 14:20
Báo cáo vật lý: "MODELLING AND SIMULATION STUDY OF VISIBLE EMISSION TRANSMISSIVITY OF SILICON RELATED TO SINGLE AND MULTILAYER ANTIREFLECTION COATINGS" potx
... i.e ., n = n ( , d ), where d is the depth from the surface, offers the best performance. Different kind of paraboloid or exponential refractive index profiles can give very broad transmission ... from surface (×) (b) Refractive Index Refractive Index Distance from surface (×) (c) Distance from surface (×) (d) Figure 1: Four basic spatial refractive index...
Ngày tải lên: 07/08/2014, 14:20
báo cáo Vật lý
... đường nối Mặt Trăng và Trái Đất, trong khi Trái Đất tự quay quanh n , dẫn đến mực nước biển trên một điểm của bề mặt Trái Đất dâng lên hạ xuống trong ngày, tạo ra hiện tượng thủy triều. Sự nâng ... 0. Với mọi trường véctơ lực bảo to n, tích phân đường của véctơ lực E từ vị trí r 0 đến r: Báo cáo thực hành Các dạng năng lượng học sinh: 1, Nguyễn Hằng Mây 2, Nguyễn Ngọc Ph...
Ngày tải lên: 23/06/2013, 01:27