4determination of sterols by cec using methacrylate monolithic columns

... stock solutions of As(III) were prepared from As(III) standard solution of 1003mg/L (Wako Pure Chemicals Ltd, Japan) The stock solutions of As(V) were prepared by dissolving 4.1646mg of Na2HAsO4.7H2O ... is one of the most important parameters to look at in column study for arsenic removal by sequential combination of LA and AC-Fe In Figure 10, at flow rate of 5mL/min or space velocity of 1.22m3/m3 ... 6mL/min (or space velocity of 0.98-1.47m3/m3h), pH of 7-8, and initial arsenic concentration of 0.1-0.5mg/L, to obtain a breakthrough time of more than 100 hours The operation of the column is very...

Ngày tải lên: 05/09/2013, 09:38

... investigate the effects of pH values within the range of 5-9, of initial arsenic concentrations within the range of 1.42 - 7.39 mg/L and of adsorbent doses within the range of 0.5 - 5.0g/L, as well ... RH-Fe5%, particle size of 0.1-0.35 mm, with Co of 1.42-7.38 mg/L, adsorbent dose of 2.5 g/L, pH of simulated groundwater (pH 8.18) Comparison of adsorption isotherms The values of the linear and nonlinear ... removal using iron-based adsorbent In this study, the surface of the rice husk carbon is modified by impregnation with iron Moreover, most researches have been done using pure water instead of actual...

Ngày tải lên: 05/09/2013, 09:38

... Journal of Energy and Environment (IJEE), Volume 3, Issue 6, 2012, pp.871-880 polyethylene and most of them is in the form of containers and packaging materials The extent of conversion of plastics ... An interesting method of polymers utilization is cracking, similar to the visbreaking of vacuum residue [8] or catalytic cracking of vacuum gas oil (VGO) in the presence of various zeolites containing ... liquefaction and 2nd temperature profile for fractional distillation column Collected fuel density is 0.89 g/ml and fuel was analysis by GC/MS, FT-IR and DSC By using GC/MS analysis result showed...

Ngày tải lên: 05/09/2013, 15:28

... net increase of 0.0819 of correct boundaries which led to the increased recall Since the deduction of precision is less than the increase of recall, a better over-all performance of P ROMODES ... increasing the memory of the algorithm by looking at b j,i−1 leads to a better performance The simplifying assumptions made, however, reduce the expressive power of the model by not allowing any ... caused by the limited memory of the model which uses order zero for the occurrence of a boundary and order one for letter transitions It seems that the model gets quickly saturated in terms of incorporating...

Ngày tải lên: 20/02/2014, 04:20

... by hydrophobic chromatography increased the specific activity of AC eluted with 0.1 M NaCl by a factor of 1.3 (from 138 UÆmg)1 to 185 UÆmg)1) and the percentage of CaM activation by a factor of ... Fluorescence anisotropy decay parameters of the Trp emission of AC and AC–CaM complex obtained by MEM analysis of the fluorescence polarized decays, using a 1D model of the anisotropy where all lifetimes ... residues of the catalytic site, favors a new activation mechanism Recently, the resolution of the 3D structure of the AC exotoxin of B anthracis and of its complex with CaM led to the proposal of a...

Ngày tải lên: 07/03/2014, 15:20

... obtained by using Cu K␣ radiation, using a Rigaku D/MAX RA instrument at 40 kV and 150 mA with the angle of 2Â from 20◦ to 80◦ The surface areas were measured by N2 adsorption by the BET method using ... the state of silicon species on the surface of TiO2 , the samples were examined by XPS spectroscopy Si 2p spectra of Si(0.03)/TiO2 powder is shown in the inset of Fig The binding energy of Si 2p ... Study of the surface acidity of TiO2 /SiO2 catalysts by means of FTIR measurements of CO and NH3 adsorption, J Catal 246 (2007) 293– 300 [8] R.W Matthews, Kinetics and photocatalytic oxidation of...

Ngày tải lên: 20/03/2014, 13:06

... method of detecting and assessing damages due to flood by using ALOS satellite data is developed - Map of landuse/cover in 2008, map of distribution of flooding areas at October nd 2007 and a DEM of ... crop rice Fig Map of flooded area higher 3m of landuse/cover types in Thua Thien - Hue Province  Flooded level from to 3m Result of calculation and map of flooded level from to 3m of landuse/cover ... 0.0 13.8 Fig Map of flood area from to 3m of landuse/cover types in Thua Thien - Hue Province  Flooded level from to 2m Result of calculation and map of flood level from to 2m of landuse/cover...

Ngày tải lên: 26/03/2014, 14:07

... studied by using a variety of solid substrates (wheat bran, rice bran, apple pomace) The original moisture content of the apple pomace was 80% Effect of moisture contents on pectinase production using ... effect of environmental parameters in SSF was studied using wheat bran, unless otherwise stated, by altering physiochemical and culture conditions Effect of different solid substrates: The effect of ... concentration of 1% (w/v) in solid media They were dissolved to required concentrations in 15 ml of distilled water, which was used as moistening agent per g of solid substrate Effect of nitrogen...

Ngày tải lên: 01/04/2014, 00:21

... Assessment by flow cytometry of transduction by retrovirus following concentration using different numbers of rounds of centrifugation μL of retrovirus was added for each transduction B Titration of ... μg of DNA (28.26 μg of the H1 shRNA hairpin vector; 18.3 μg of pMDLg/ pRRE; 9.86 μg of pMD2.G and 7.04 μg of pRSV Rev) and 229.4 μL of M Calcium solution in a total volume of 3.7 mL The transfection ... number of rounds of centrifugation C Addition of an addition round of centrifugation without addition of unconcentrated supernatant does not result in a decrease in viral titre D Demonstration by...

Ngày tải lên: 18/06/2014, 22:20

... Assessment by flow cytometry of transduction by retrovirus following concentration using different numbers of rounds of centrifugation μL of retrovirus was added for each transduction B Titration of ... μg of DNA (28.26 μg of the H1 shRNA hairpin vector; 18.3 μg of pMDLg/ pRRE; 9.86 μg of pMD2.G and 7.04 μg of pRSV Rev) and 229.4 μL of M Calcium solution in a total volume of 3.7 mL The transfection ... number of rounds of centrifugation C Addition of an addition round of centrifugation without addition of unconcentrated supernatant does not result in a decrease in viral titre D Demonstration by...

Ngày tải lên: 20/06/2014, 04:20

... integral of the product of the ith component of GMM k ∈ {A, B} and the jth component of GMM m ∈ {A, B} by wiA wB pA (x)i pB (x) j dx j All the above terms are weighted sums of definite integrals of ... GMM by using multiple states, the emission probabilities of which are modeled by GMMs A state indicator variable is allowed to move from a state to another at each frame This is controlled by using ... audio retrieval task in Section Query by Example Figure illustrates the block diagram of the query by example system An example signal is given by a user A set of features is extracted, and GMM or...

Ngày tải lên: 21/06/2014, 20:20

... influence of the interaction of irradiation time with microwave power (a), sieve number (b) and modifier volume (c) on the extraction efficiencies of curcumin 3.3.2 Influence of interaction of grinding ... modifier (blank) Fig (a) The effect of the interaction of grinding degree with microwave power on extraction efficiency of curcumin (b) The effect of the interaction of modifier volume with microwave ... then placed into the extraction vessel, followed by the addition of 40 ml of the extracting solvent (acetone) MAE was carried for different time of irradiation with the microwave extractor operating...

Ngày tải lên: 01/07/2014, 13:23

... important factors in a process Optimization of Cost by Using QC Tools 151 Figure 1: Pareto Chart Flowchart Flowcharts are pictorial representations of a process By breaking the process down into its ... variance Problem: Optimization of cost by using quality control tools Step1:-Introduction to the problem In operation 67 of control valve cylinder head (as shown in Figure 6) of the diameter 15.840/15.862 ... property of the cast iron is to produce dust with small flakes of chip, such dust get fly off along with current air by the fans put in the shop floor & get accumulated every where In-due course of...

Ngày tải lên: 10/07/2014, 23:21

... Suitability of infection of cells in suspension for detection of herpes simplex virus J Clin Microbiol 1991, 1554-1557 Reynolds KA, Gerba CP, Pepper IL: Detection of infectious enteroviruses by an ... contained uL of RNA template and a panenterovirus set of primers and probe (AB) The primers and probe targeted the highly conserved 5’ untranslated region of the genome [11] The 5’ and 3’ end of the ... http://www.virologyj.com/content/7/1/282 Page of Figure Comparison of ICC/q RT PCR cycle threshold (Ct) values of BGM monolayers infected with 10 PFU of poliovirus type (strain LSc-1) to similarly...

Ngày tải lên: 12/08/2014, 01:22

... Feasibility of inter-hospital transportation using extra-corporeal membrane oxygenation (ECMO) support of patients affected by severe swine-flu(H1N1)-related ARDS Scandinavian Journal of Trauma, ... drainage and re-infusion of blood via the internal jugular vein Cannulae positioning was controlled by real-time TEE performed by a cardiologist We used a continuous infusion of Eparin for systemic ... transfer using conventional ventilation with SpO < 90%; this was because H1N1-induced ARDS evolves rapidly and there is often a decline in oxygenation of the blood in few hours This was shown by the...

Ngày tải lên: 13/08/2014, 23:20

... tree Page of 10 Table 1: The definitions of the possible states of the risk influencing factors (RIF) RIF Possible states of RIFs Poor Average Good Sollid et al Scandinavian Journal of Trauma, ... event of interest [24,27] To analyse the consequences of the event, we constructed an event tree Event trees are logical structures that map out the possible consequences of the event of interest ... survey of Norwegian helicopter emergency medical service (HEMS) physicians' own perceptions of the safety and quality of pre-hospital airway management in their system [19] iii) Audit of data...

Ngày tải lên: 13/08/2014, 23:21

... out by the author at the NMR Structural biology lab, the Department of Biological Sciences, Singapore This work has been supervised by Associate professor Dr Henry Mok and co-supervised by Associate ... had helped me switch to a different school of thoughts during the course of my research My sincere thanks to Prof Kini, along with Prof Liou Cherng and Prof Yao sho qin, who inspired me to choose ... residues of hBclXL 4.9 15 N HSQC spectra of residues H205 and I245 of mMCL-1 61 63 4.11 Line shape analysis for non binding site residues of mMCL-1 64 4.12 Simulation of...

Ngày tải lên: 14/09/2015, 08:49

... COMPUTATIONAL STUDY OF CHIRAL SEPARATION OF TRYPTOPHAN BY USING CYCLODEXTRIN LIANG JIANCHAO (B Eng (Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF CHEMICAL AND ... solution of racemic mixture in the absence of resolving agents This is the case of the Pasteur’s discovery of enantiomers When Pasteur worked on the crystallization of a concentrated solution of sodium ... separability of enantiomers by using cyclodextrin, the elution order, and the relative magnitude of enantioselectivity Moreover, with a clear understanding of the chiral recognition mechanism of cyclodextrins,...

Ngày tải lên: 15/09/2015, 22:51

... assessment model using a more extensive version of GA search The validity of the proposed method by case studies is shown using various sets of sag data and consumer data 1.3 ORGANIZATION OF THIS THESIS ... summary of the contributions of this thesis and suggestions for future work are presented 1-13 Chapter Mitigation of Sags by Optimal Placement of Compensation Devices CHAPTER MITIGATION OF SAGS BY ... Percentages of PQ events observed by semiconductor companies 1-5 Figure 1.4 Establishment of the sag problem and various ways of mitigation 1-6 Figure 1.5 Effect of DVR to a sag caused by three-phase...

Ngày tải lên: 26/11/2015, 12:24

... populations are often missed by conventional culture The problem of diagnosis markedly increases taking into account the issue of bacterial phenotypes inside biofilms Sonication of explanted devices ... disrupted from biofilms that may be the cause of recurrence after an indefinite period of time Fragments of biofilms seem to be more vulnerable for antibiotics compared with intact biofilm systems ... Comparison of Revision of the Acetabular Component without Cement A Concise Follow-up, biofilm-associated cell survival following in vitro exposure of meticil- at Twenty to Twenty-four Years, of a...

Ngày tải lên: 26/10/2012, 09:53