Calculation of column formwork

Calculation of material balance for catalytic reforming of naphtha fractions

Calculation of material balance for catalytic reforming of naphtha fractions
... In order to account for the influence of various catalysts on the reforming of naphtha cuts, numerical values of these rate constants must be known After integrating and transforming Eqs (5)-(8), ... Figs - Also shown for comparison are the analogous relationships for the process of reforming over an aluminosilicate catalyst of one of the earlier modifications 16 An analysis of Eqs (1) and (9), ... used to calculate the rate constants of reforming reactions in reactors with either a fixed or moving bed of catalyst Examples of numerical calculations of these constants are given in Table...
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Tài liệu Báo cáo " Study on Monte-Carlo calculation of peak efficiencies of the superpure Hp Ge detector (Gmx) in environmental gamma spectrometry with using MCNP4C2 " pptx

Tài liệu Báo cáo
... hyperpure HP Ge detector (GMX) based on MCNP4C2 we need to provide an input file containing the information involved to the cross-section library and the description of the physical geometry of the source, ... the source -detector- geometry Application MCNP4C2 for calculation of peak efficiencies of detector (GMX) the hyperpure HP Ge The hyperpure HP Ge detector (GMX) used by us here in simulation and experimental ... electrons in germanium crystal and the field distortions near the edges of the detector are not properly done The modeling of peak efficiencies of the detector has also been considered by us for gamma...
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Báo cáo " Calculation of Lindemann’s melting Temperature and Eutectic Point of bcc Binary Alloys " pot

Báo cáo
... present Melting temperature of Fe, Ref Melting temperature of V, Ref Eutectic point, present Melting curve, present Melting temperature of Cr, Ref Melting temperature of Cs, Ref Eutectic point, present ... points of bcc binary alloys This melting curve provides information on Lindemann’s melting temperatures of binary alloys with respect to any proportion of constituent elements and on the eutectic points ... Ref 305 300 295 2700 Melting curve, present Melting temperature of Cr, Ref Melting temperature of Mo, Ref Eutectic point, present Melting temperature, Expt., Ref Eutectic point, Expt., Ref Cr1-xMox...
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Báo cáo " Calculation of dispersion relation and real atomic vibration of fcc crystals containing dopant atom using effective potential " pot

Báo cáo
... procedure for calculation and analysis of the dispersion relation and real atomic vibration of fcc crystals containing dopant atom has been developed using the anharmonic effective potential Analytical ... acoustic and optic branches, forbidden zone between them, effective force constant, Debye frequency and temperature, amplitude and phase changes of the real vibration of atomic chain containing dopant ... changes of the atomic vibration of Cu are smaller than the one for Cu doped by Ni Fig 2a shows the calculated atomic vibration u2 (l = 2) of Cu and its phase shift for Cu doped by Ni or by Al atom...
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Báo cáo " Calculation of Morse Potential for Diamond Crystals. Applification to Anharmonic Effective Potential " docx

Báo cáo
... new procedure for calculation of Morse potential parameters for Diamond crystals has been developed and the obtained results are applied to calculation of anharmonic and harmonic potential in ... calculated anharmonic and harmonic effective potentials for Si and Sn They show strong asymmetry of these potentials due to including anharmonic contributions in atomic vibrations of these diamond ... al / VNU Journal of Science, Mathematics - Physics 24 (2008) 125-131 126 Procedure for calculation of Morse potential of Diamond crystals The potential energy ϕ (rij ) of two atoms i and j separated...
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Báo cáo "A new formulation for fast calculation of far field force in molecular dynamics simulations " ppt

Báo cáo
... the performance of FMM on GRAPE In this paper we describe our new formulation to speed up far field force calculation – a significant calculation part of FMM on GRAPE Remaining parts of the paper ... and force evaluation Force- evaluation stage consists of near field and far field evaluation parts In the case of original FMM, only the near field part of the force- evaluation stage can be performed ... have newly developed a conversion procudure (hereafter A2P conversion) presented in section 3 A new formulation for fast calculation of far field force Eq (3) gives solution for outer expansion of...
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molecular dynamics calculation of critical point

molecular dynamics calculation of critical point
... Molecular Dynamics Calculation of Critical Point of Nickel 13 liquid–gas saturation lines (binodes), as will be seen in the next section The peak of the two saturation lines is the critical point, ... can best represent the phase diagram near the critical point compared with other forms of EOS Molecular Dynamics Calculation of Critical Point of Nickel 19 ACKNOWLEDGMENT Support to this work ... at temperatures lower than 9450 K, Molecular Dynamics Calculation of Critical Point of Nickel 17 Fig Calculated isotherms on p–v diagram around the critical point Fig Isotherms calculated from...
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Báo cáo hóa học: " On calculation of eigenvalues and eigenfunctions of a Sturm-Liouville type problem with retarded argument which contains a spectral parameter in the boundary condition" pot

Báo cáo hóa học:
... and Bayramov: On calculation of eigenvalues and eigenfunctions of a Sturm-Liouville type problem with retarded argument which contains a spectral parameter in the boundary condition Journal of ... problem with retarded argument which contains a spectral parameter in the boundary condition Then, under additional conditions (a) and (b) the more exact asymptotic formulas, which depend upon the ... retardation obtained Şen and Bayramov Journal of Inequalities and Applications 2011, 2011:113 http://www.journalofinequalitiesandapplications.com/content/2011/1/113 Authors’ contributions Establishment...
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Báo cáo hóa học: " Research Article Removing the Influence of Shimmer in the Calculation of Harmonics-To-Noise Ratios Using Ensemble-Averages in Voice Signals" docx

Báo cáo hóa học:
... explained by the presence, in any pulse of the signal, of the decaying tails of previous pulses This summation of tails adds differences to the pulses, interpreted as noise in the model and causing ... reduction in the calculated HNR as the introduced shimmer increases On the other hand, the summation of tails in one pulse is not completely uncorrelated with the summation of tails in the other For ... formula in the presence of shimmer is performed, which results in a general form of Ferrer’s correcting formula [12] and allows the suppression of the effect of shimmer in HNR (i) HNR measured in the...
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Báo cáo hóa học: " Research Article Computational Issues Associated with Automatic Calculation of Acute Myocardial Infarction Scores" doc

Báo cáo hóa học:
... correlations during acute myocardial infarction, ” The American Journal of Cardiology, vol 54, no 3, pp 249–255, 1984 [8] P Schweitzer, “The electrocardiographic diagnosis of acute myocardial infarction ... “Extent of early ST segment elevation resolution: a strong predictor of outcome in patients with acute myocardial infarction and a sensitive measure to compare thrombolytic regimens A substudy of ... (3) at lead (d) The result of the calculation, in any of the formulas (2) or (4), is the percentage of myocardium under the risk of necrosis as the AMI progresses The computational complexity (CC)...
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Báo cáo hóa học: " Research Article Quasi-Cyclic LDPC Codes of Column-Weight Two Using a Search Algorithm" pdf

Báo cáo hóa học:
... that all larger groups maintain the girth of twelve Table shows code sizes obtained using a random search Random searches may result in smaller codes as in Table However, obtaining smaller codes ... construct a wide range of codes, they have limited ability to produce codes with arbitrary girth, rate, and length We take advantage of the flexibility found in random search methods such as BF and ... using a slightly modified bit-filling algorithm to obtain a regular code It has a girth of ten and average girth of 14.6 It G Malema and M Liebelt Table 3: Code sizes of girths larger than twelve using...
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Báo cáo hóa học: "Convergence in the Calculation of the Handoff Arrival Rate: A Log-Time Iterative Algorithm" potx

Báo cáo hóa học:
... the handoff arrival rate Note that although current handoff call arrival rate can be estimated from some “time averaging” of recent handoff call arrival records, the handoff call arrival rate that ... of the range is adjusted in the direction of the actual value of λ∗ , always keeping the ach tual value within the range, and hence the range continues to shrink as the number of iterations increases ... for the handoff arrival rate requires an alternate method, which commonly involves the use of iterative algorithms [7] One standard formula for the calculation of the handoff arrival rate generates...
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Báo cáo nghiên cứu khoa học: "NUMERICAL MODEL OF SINGLE PHASE TURBULENT FLOWS FOR CALCULATION OF PRESSURE DROP ALONG GAS PIPELINES " doc

Báo cáo nghiên cứu khoa học:
... molarities of mixture p1: input pressure, kPa p2: output pressure, kPa d: diameter of pipeline, m γ g : gas density, kg/m3 (6) (7) • T: temperature of fluid flow, K • Zav: averaged coefficient of compressibility ... roughness of pipeline Rewriting the above equation for gas flow in the pipeline: ( ) p2 − p12 = −0.2510 × qsc psc Z ⎡ γ g Tav Lf ⎤ × p pcTsc ⎢ d ⎥ ⎣ ⎦ 0.5 (11) PRESSURE DROP ALONG THE GAS PIPELINE: ... table 3.1 along the associated gas pipeline of flow equations of Weymouth, Panhandle A, Panhandle B and Clinedinst are stored in table 3.2a and 3.2b Table 3.2a Pressure along associated gas pipeline...
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