Báo cáo vật lý: "Decolourisation of Reactive Orange 16 by Activated Carbon and Copper Oxide Catalysts Supported by Activated Carbon" ppsx

... structure of RO16 dye. Journal of Physical Science, Vol. 21(2), 29–40, 2010 29 Decolourisation of Reactive Orange 16 by Activated Carbon and Copper Oxide Catalysts Supported by Activated ... Decolourisation of Reactive Orange 16 (RO16) dye by HNO 3 -modified activated carbons (ACs) and a copper oxide catalyst supported by mod...

Ngày tải lên: 07/08/2014, 14:20

... absorbed and E trans is the energy recorded by the transducer. The impact toughness of the foam was obtained by dividing by the sample volume, and the toughness is reported in units of J ... fraction of toluene, which can be obtained from Equation (4), and = weight of the rubber, given by Equation (5). s X r X () − = s Weight of Swollen Sample Original W...

Ngày tải lên: 07/08/2014, 14:20

... of the vinyl group of AA at 163 6 and 1412 cm –1 , and the vinyl group of DVB at 163 1 and 1400 cm –1 is due to those non polar double bond of vinyl that bound with non polar methine group of ... typical of PP; 2843, 1450, 1377 and 999 cm –1 from methine, methylene and methyl groups; 1732 cm –1 from carbonyl ester group and 163 9 cm –1 impurities of PP....

Ngày tải lên: 07/08/2014, 14:20

... Bi and U are lower in the pulps of carious teeth than in those of healthy teeth, and the mean concentrations of Mg, Cd, Ba and Pb were higher in the pulps of carious teeth than in those of ... concentrations of Na, Mg, Al, Fe, Ni, Cu, Sr, Cd, Ba, Pb and U and significantly lower concentrations of Mn, Co, As, Se, Mo and Bi. In addition, a comparison of the conce...

Ngày tải lên: 07/08/2014, 14:20

... application as catalysts and catalytic supports. 8 Because of the variety of practical uses, the fabrication of the desired morphologies of mesoporous silica is as important as the control of its ... many aspects of the synthesis processes are involved in developing these porous materials, and they still require greater insight and understanding. A basic understand...

Ngày tải lên: 07/08/2014, 14:20

... life and wear mechanism of uncoated and coated milling inserts. Wear, 225(1), 273– 284. 25. Kopac, J. (1998). Influence of cutting material and coating on tool quality and tool life. J. Mater. ... (2006). Wear and tool life of tungsten carbide, PCBN and PCD cutting tools. Int. J. Mach. Tools Manuf., 46(5), 482–491. 24. Gu, L., Barber, G., Tung, S. & Gu, R. J. (199...

Ngày tải lên: 07/08/2014, 14:20

... dispersion and high surface area of ZrO 2 that cause interaction between H 2 O in air and NO x to produce HNO 3 . The interaction of Al-O and NO can be detected by the presence of the vibration ... the use of pillared clays as solid supports for metal and metal oxide catalysts. For this purpose, relatively stable and reproducible pillared clays are needed. Among o...

Ngày tải lên: 07/08/2014, 14:20

... preparation of the deriva (Schemes 2 and 3). The structures of the compounds were elucidate NMR, mass spectroscopy and elemental analysis. The IR spectra of (e) and (f) showed the absent of the N–H ... purity of the compounds was checked thin la fied by column hr n a silica gel (60–120 mesh) bed as adsorbent and hexane and th of o-nitro nol in the presence o...

Ngày tải lên: 07/08/2014, 14:20

... = 420 nm with 15-pairs of alternating GaN and Al 0.3 Ga 0.7 N layers. DBRs have a limited reflectance band. The spectral width of the high reflectivity band is given by [10]. eff B n n π λ λ ∆ =∆ 2 ... infrared to green [1]. The band gap of GaN at room temperature is 3.4 eV (corresponding to a wavelength of 365 nm in the ultraviolet region) and that of InN, AlN are 1....

Ngày tải lên: 07/08/2014, 14:20

... activated carbon, ZC = activated zeolite, MAC = 2.5% (w/w) Se /activated carbon, MAC2 = 5% (w/w) Se /activated carbon and MZC = 5% (w/w) Se /activated zeolite Preparation of Selenium-Doped Activated ... provided by element -by- element comparison of the number of γ-rays emitted per unit time by the MAC material to the number of γ-rays emitted per unit time...

Ngày tải lên: 07/08/2014, 14:20