Enhancing humic acid removal using surface modified granular media

... micro-tensile bond strength (!TBS) test and SEM analysis (A) Removal of occlusal surface to expose the flat dentin surface; (B) preparation of the dentin surface to receive adhesive with or without RF; (C) ... cm-1;(A) control=1717 cm-1, (B) 1%RF -modified adhesive=1711 cm1 , (C) 3%RF -modified adhesives=1710 cm-1, (D) 5%RF -modified adhesives =1713 cm-1 and (E) 10%RF -modified adh...

Ngày tải lên: 05/10/2015, 21:24

... applicability of hybrid electrodialysis /ion exchange in removing humic acid (HA) from aqueous solutions Experiments for different combinations of ion exchange membrane and ion exchange resin were ... Co-ions Cation exchange resin (-) Cations (+) Anions (-) Anion exchange resin (+) Anions (-) Cations (+) An ion exchange process can be described as a reaction Suppose...

Ngày tải lên: 22/10/2015, 21:14

... being ineffective to the removal of suspended particles and dissolved substances It is therefore desirable to develop more effective granular media as both adsorption and filtration materials for ... experimental parts of coating PPy on the surfaces of glass beads and nylon 6,6 granules and immobilizing chitosan on the surfaces of PET and nylon 6,6 granules, as w...

Ngày tải lên: 30/09/2015, 06:28

... adsorbent - iron-modified rice husk carbon (RH-Fe)which was prepared from an available, cheap source of carbon (rice husk carbon) and the most effective agent (iron) for the removal of both As[III] ... very few studies on iron-modified rice husk carbon as adsorbent for the removal of arsenic from drinking water, although there are many research papers on...

Ngày tải lên: 05/09/2013, 09:38

... FEASIBILITY STUDY OF REMOVAL OF SURFACE CONTAMINANTS FROM SOLID SURFACES USING WATER JETS WITH BUBBLES AND ULTRASOUND MUHAMMAD FADZLI B HASSAN (B.ENG (HONS), NATIONAL UNIVERSITY OF SINGAPORE) ... The Measurement of Impact and Shear Stresses of Impinging Bubbles 146 7.6 Investigation V: The removal of surface contaminants from an etched su...

Ngày tải lên: 08/09/2015, 18:19

... Biosynthesis of indole -3- acetic acid (a) Enterobacter sp DHM-1T (FJ74 530 0·1) Enterobacter sp R4M-Q (GQ478271·1) Pantoea agglomerans strain P29 (DQ3569 03 1) Pantoea agglomerans strain PVM (GU929212·1) Pantoea ... concerned with the IAA production potential of P agglomerans strain PVM, optimization of 1240 medium components and in vitro root induction...

Ngày tải lên: 06/08/2013, 21:06

... radius at the bottom edge of the surface Pick the bottom edge of the bottle Click the icon to finish To create a thin solid from a surface quilt, Select the surface quilt first from Model Tree, ... curve Select the creation to finish the surface To merge the two surfaces, select two quilts from the Model tree and click the Merge Tool icon on the Features toolbar or click Edit -> M...

Ngày tải lên: 25/01/2014, 06:24

... Datum curve created using Equation *What is a surface quilt? A surface quilt is a "patchwork" of connected surfaces A quilt may contain one or more surface patches The external edges of a surface ... in magenta *What is a merge? A surface merge allows multiple surfaces to be combined into a single quilt Surface merges are created by selecting Feature, Create, Surface, Merge...

Ngày tải lên: 25/01/2014, 06:24

... DD = DP – * B DB = DP * COS(PA) CP = PI/P FW = * CP addendum = 1/diametral_pitch dedendum = 1.25/diametral_pitch outside_dia _gear = pitch_dia _gear + 2*addendum root_dia _gear = pitch_dia _gear 2*dedendum ... Real Number – AGMA Full-Depth 20.0 pressure_angle Create relations for the gear parameters From Part menu, select Relations -> Add Enter the following: or DP = N/P pitch_d...

Ngày tải lên: 25/01/2014, 06:24

... analyte solution and silicon nanowires 2.2 Surface modification The silicon wire FET sensor is modified with urease following procedure below Before modification, the Al2 O3 surface was treated with ... plasma [14] (50 mW power, 30 sccm flow rate for min) for two purposes One is for cleaning the sample surface, and the other one is for generating a hydrophilic surface The wires...

Ngày tải lên: 16/03/2014, 15:25

... is applicable in any setting in which there exist a small treebank and a wide- coverage lexical resource For example parsing Arabic using the Arabic Treebank and the Buckwalter analyzer, or parsing ... in a more realistic one in which parsing and segmentation are handled jointly by the parser (Goldberg and Tsarfaty, 2008) (Sec 5) External lexical information enhan...

Ngày tải lên: 17/03/2014, 22:20

... success of these reactions using SmI2 prompted us to examine the reductive cleavage of the N-O bond of N-benzyl-N-acetylhydroxamic acid (Table 3, Entries and 2) Typically hydroxamic acids are ... and stereoselective reductions of 2-hydroxyimino amides with SmI2 in the presence of the proton source methanol.14b Interestingly, there appear to be no reports of the...

Ngày tải lên: 22/03/2014, 18:20

... modulation when the wave propagates to and reflects from the groove A close examination of Fig 2͑b͒ indicates that SPP waves are excited at the edges of each groove and stronger fields are located at ... Comparison of electric field distributions of ͓ a –͑c͔͒ single bowtie aperture and ͓͑d͒–͑f͔͒ bowtie aperture with circular grooves at working distances of 20, 50, and 100 nm...

Ngày tải lên: 06/05/2014, 08:53

... the light Surface current is induced on the ridges by the incident photons at the entrance side, flows along the walls of the gap, and reaches the exit side When terminated by the gap, the surface ... Domain Method for Electromagnetics ͑CRC Press, Boca Raton, FL, 1996͒ 18 H Raether, Surface Plasmons on Smooth and Rough Surfaces and on Gratings ͑Springer, Berlin, 1988͒ 19 H Ditlbacher,...

Ngày tải lên: 06/05/2014, 08:58

... Cite this article as: Ziai and Menon: Comparison of regression models for estimation of isometric wrist joint torques using surface electromyography Journal of NeuroEngineering and Rehabilitation ... [2,3] Performance of five different models for estimation of isometric wrist flexion and extension torques are compared: a physiological based model (P...

Ngày tải lên: 19/06/2014, 08:20