comparison of the methods for the determination of surface acidity of solid catalysts

... out of the use of this material Downloaded by [McGill University Library] at 07:35 15 December 2012 Comparison of the Methods for the Determination of Surface Acidity of Solid Catalysts LUCIO FORNI ... the quantity of exchanged deuterium and from the quantity of water formed during the reaction The fraction of the various forms of hydrogen ca...

Ngày tải lên: 29/07/2015, 02:27

... an effort to develop an effective extraction method for bioflocculants from the microbial cell surface Materials and Methods Activated sludge samples Activated sludge samples were collected from ... was the most effective extraction method for activated sludge However, cell disruption is not effective for the isolation of bioflocculants Thus, NaOH extr...

Ngày tải lên: 05/09/2013, 09:08

... procedures are used for the approximation of the Da (0) with domains having a simpler shape For example, in the case of [4, Theorem 4.20, page 170] the domain which approximates the Da (0) is defined ... k =0 The Lyapunov function V can be found theoretically using relation (1.5) In the followings, we will shortly present the procedure of determination an...

Ngày tải lên: 23/06/2014, 00:20

... Comparison of Diagnostic Methods for the Detection of Parasites in Fish and disadvantages, depending on the purpose and target of study For parasitological investigation, the classical methods (the ... reaction of 50 µl volume (25µl of master mix, Comparison of Diagnostic Methods for the Detection of Parasites in Fish 2µl of each primer, or...

Ngày tải lên: 06/08/2014, 19:20

... to assess temporal and spatial relative variations The relationship between a variable measured at the sampling point and the same variable measured with a small spatial displacement, everything ... matrix between the 15 light variables on transects The first variables are “openness” variables, whereas the remaining variables are “foliage” variables Shaded areas indicate th...

Ngày tải lên: 08/08/2014, 14:21

... functioning of each method was not deteriorated by the other The relationship obtained with the comparison of the two methods over the whole period (n 589) is presented in figure The slope of the regression ... 2300 and 0400 hours The sap flow rate (F) is calculated lows [2, 10]: as fol- where Cp is the heat capacity of the xylem sap and dT the temper...

Ngày tải lên: 08/08/2014, 23:22

... Biosynthetic pathways similar to that illustrated were compared using the method of mathematically controlled comparison by Alves and Savageau [13] These biosynthetic pathways differ only in the ... determine the local stability of the steady state, the sensitivity of the steady state with respect to parameter changes, and the sensitivity of the steady state with...

Ngày tải lên: 13/08/2014, 22:22

... estimate of the background intensity, and therefore no further background correction was possible on these data Detection of differentially expressed genes 637 2.2 Normalisation of the data 2.2.1 Data ... Various comparisons of lists of differentially expressed genes found by the EADGENE teams were performed We focussed mainly on the comparison of...

Ngày tải lên: 14/08/2014, 13:22

... METHODS FOR THE COMPARISON OF CLASS EVIDENCE A Thesis Submitted to the Faculty of Purdue University by Elisa Anne Liszewski In Partial Fulfillment of the Requirements for the Degree of Master of Science ... 2010 Instrumental and Statistical Methods for the Comparison of Class Evidence Major Professor: John Goodpaster Trace evidence is a majo...

Ngày tải lên: 24/08/2014, 11:33

... determination is the spectral assignment procedure This involves sequence-specific resonance assignment of NMR signals and the assignment of NOESY spectra Resonance assignment forms the basis for characterizing ... obtain the assignments of the Cα and CO of the same residue Then, the CO frequency is used to obtain assignments for the HN and 15N of...

Ngày tải lên: 04/10/2015, 15:52

... Coronary angiography remains the gold standard for the morphologic diagnosis of CAD and also allows revascularization during the same procedure [12, 13] Coronary angiography is a relatively safe and ... Combined Analysis Total USA Asia Germany female male < 65 years 65+ years Female, < 65 years Female, 65+ years Male, < 65 years Male, 65+ years No Revasc PCI CABG Revasc...

Ngày tải lên: 03/11/2012, 10:58

... qualitative evaluation of lexical association measures, mainly for the following reasons: the instability of precision values obtained from the rst few percent of the data in the SLs; the lack of signicant ... precision values above 50% for the rst 10% of the list, but is outperformed by the t-test afterwards Looking at the rst 40% of the data, th...

Ngày tải lên: 20/02/2014, 18:20

... of glutathione and glutathione disulde in human plasma and tobacco leaves by capillary electrophoresis with laser-induced uorescence detection Talanta 65, 986990 Svardal AM, Mansoor MA & Ueland ... curve and the regression equation The average recovery test was made using the standard addition method, and the RSD was generally good when obtained from a series of six plasma s...

Ngày tải lên: 07/03/2014, 05:20

... the comparison of the active and specificity sites of the two X-PDAP enzymes, the bacterial PepX (green) and the human DPP-IV (orange) (B) Superposition of the active and specificity sites of the ... the carboxyl group of the ligand and the NH2 of Asn470 (equivalent to Asn710 in DPP-IV) Another potential bond can be proposed between the O...

Ngày tải lên: 23/03/2014, 13:20

... presented in this thesis In this thesis, results of our work on the design and development of different instrumentation systems for the rapid determination of Dry Rubber Content in natural rubber ... discussion of the results are included in chapter five of this thesis Finally, in chapter six the summary and general conclusions of the work includi...

Ngày tải lên: 23/03/2014, 21:21