... qt(mg/g) 10.0 7.5 5.0 2.5 40 80 120 160 200 t(min) Figure Effect of pH on the adsorption of Ni2+ ions The effect of the initial Ni2+ concentration on the Ni2+ adsorption capacity of the blended resin ... show that the adsorption of Ni2+ by the blended resin is a spontaneous, exothermic process Table Thermodynamic parameters for the adsorption...
Ngày tải lên: 05/09/2013, 16:11
Báo cáo khoa học: Energetic and metabolic transient response of Saccharomyces cerevisiae to benzoic acid docx
... properties and cell size to the presence of benzoic acid Transient response to benzoic acid total membrane surface area (=AXÆCXÆVL) available for the benzoic acid transport during the transient ... al Transient response to benzoic acid A B C D E Fig Transient responses to the shift in benzoic acid concentration (the timing of the shift is marked b...
Ngày tải lên: 07/03/2014, 04:20
ADSORPTION OF pb AND cd ONTO METAL OXIDES
... 6.0 before autoclaving Pb and Cd speciation calculated by MINEQL for a total Pb/ Cd concentration of 1.0 mM b Measurement of Pb and Cd adsorption to natural bio®lms Pb and Cd adsorption isotherms ... isotherms, and Pb adsorption was almost an order of magnitude greater than that of Cd (Figs and 3) Extraction with NH2OHÁHCl and Na2S2O4 signi®cantly...
Ngày tải lên: 15/03/2014, 23:12
High specific surface area porous sic ceramics coated with reticulated amorphous sic nanowires
... surface The as-synthesized porous SiC ceramics, coated completely with reticulated amorphous SiC nanowires, possess high specific surface areas and porosity The specific surface area and porosity can ... planes of b -SiC Fig XRD patterns ((a) external and (b) internal) of high specific surface area porous SiC ceramics coated with reticulated SiC na...
Ngày tải lên: 16/03/2014, 15:17
preparation and characterization of high surface area nanosheet titania with mesoporous structure
... The nanosheet structure after calcinations was destroyed and changed to nanorods/nanoparticles composite at high temperature [27,30] Conclusions In summary, high surface area nanosheet TiO2 with ... diameter and about 5–10 nm in particles diameter, Fig 6(a–f)) The SEM, TEM, and SAED images of the nanosheet TiO2 calcined at 600 and 700 °C showed almost nanoparticles...
Ngày tải lên: 20/03/2014, 13:06
báo cáo hóa học:" Anti-angiogenic effect of high doses of ascorbic acid" pptx
... collected after 3–6 hours of culture medium a b Figure high doses of ascorbic acid on capillary tube formation by endothelial progenitor cells Effect of1 Effect of high doses of ascorbic acid on capillary ... determine the effects of the high concentrations of ascorbic acid on energy metabolism and capillary tube formation Effects of high dose ascorbic a...
Ngày tải lên: 18/06/2014, 15:20
báo cáo hóa học:" High dose concentration administration of ascorbic acid inhibits tumor growth in BALB/C mice implanted with sarcoma 180 cancer cells via the restriction of angiogenesis" potx
... medium, in plates of 100 mm in diameter, and then × 105 cells in 200 ml PBS were injected into the abdominal cavities of experimental mice using a 21 G injector The high dose ascorbic acid dose of ... concentration ascorbic acid at two-day intervals for Group F was injected with low dose ascorbic acid before injecting cancer cells, and was then t...
Ngày tải lên: 18/06/2014, 15:20
Báo cáo vật lý: "Immobilization of Dithizone onto Chitin Isolated from Prawn Seawater Shells (P. merguensis) and its Preliminary Study for the Adsorption of Cd(II) Ion" pdf
... onto Chitin 72 Free dithizone Chitin -dithizone Figure 3: IR spectra of (a) free dithizone and (b) dithizone- immobilized chitin The XRD spectra and their d-spacing data of free dithizone and dithizone- immobilized ... (ml), and m is the weight of the chitin or chitin -dithizone adsorbents The effect of adsorbent mass on the amount of adsorbed...
Ngày tải lên: 07/08/2014, 14:20
High-Surface-Area Catalyst Design- Synthesis, Characterization, and Reaction Studies of Platinum Nanoparticles in Mesoporous SBA-15 Silica
... nm, and (e) 7.1 nm 3.2 Synthesis and Characterization of Pt /SBA-15 Catalysts 3.2.1 Incorporation of the Pt Particles in SBA-15 Structure SBA-15 with a pore diameter of 9.0 nm was used as a catalyst ... the conditions of catalyst synthesis The minimal change in SBA-15 physical parameters after incorporation of Pt into the silica reveals that there is no signific...
Ngày tải lên: 08/10/2015, 23:16
The effect of sulphuric acid activation on the crystallinity, surface area, porosity, surface acidity, and bleaching power of a bentonite
... temperature and time of activation The bleaching power of an acid- activated bentonite is generally examined on the basis of the b-carotene and chlorophyll adsorption capacities (Gonza´lez-Paradas, Villafranca-Sa´nchez, ... thermodynamics of a smectite mineral Journal of Thermal Analysis and Calorimetry ¨ nal, M., & Sarıkaya, Y (submitted for publication) No...
Ngày tải lên: 09/10/2015, 00:00
Synthesis of high surface area zirconia and zirconia based catalysts
... Catalysis 1.2 Zirconia and Zirconia- based Catalysts 1.3 Preparation of High Surface Area Zirconia 1.4 Acid and Basic Properties 14 1.5 Decomposition of 2-Propanol 18 1.6 Decomposition of 4-Methyl-2-Pentanol ... of Project 28 References 30 Chapter II Experimental 2.1 Preparation of Catalysts 36 36 2.1.1 Synthesis of Zirconia 36 2.1.2 Synthesis of Silic...
Ngày tải lên: 16/10/2015, 12:00
Báo cáo y học: " Experimental ablation of the pancreas with high intensity focused ultrasound (HIFU) in a porcine model"
... HIFU energy and pancreas histology, a preclinical in vivo study was conducted in swine demonstrating the feasibility and safety of HIFU for pancreas ablation [13] In the present study, we aimed to ... In the Group A, laparotomy was performed, and the pancreas was ablated directly through the surface of the pancreas with an HIFU transducer In the Grou...
Ngày tải lên: 25/10/2012, 11:18
A STUDY ON SOLUBILIZATION OF EXCESS SLUDGE BY HIGH SPEED ROTARY DISK PROCESS
... the solubilization of excess sludge by high speed rotary disk process This method is a kind of physical treatment The excess sludge from final sedimentation tank in wastewater treatment plant was ... 813-818 Hasegawa, S., Miura, M., Katsura, K (1997) Solubilization of organic sewage by thermophilic bacteria Journal of Japan Sewage Works Association, Vol.34,...
Ngày tải lên: 05/09/2013, 08:40
Improvement of Water Quality by Removal of Suspended Solids and High-speed Biological Filtration in Closed Water Body
... arrangements of flow third tank Figure Schematic diagram for improvement of water quality by removal of SS and biological filtration in closed water bodies a a: screw motor M b: biological carrier ... Water and Environment Technology, Vol.1, No.2, 2003 Conclusion The experiment on improving water quality was carried out by removal of SS and biol...
Ngày tải lên: 05/09/2013, 08:40