Báo cáo " DETERMINING THE ISOMERIC RATIO OF NUCLEAR REACTION 46 Ti (γ, pn)44 Sc BY EXPERIMENT" pdf

... determine the values of N m and N g . Substituting the parameters int o formula (2.5),wecalculatetheisomericratioof 46 Ti( γ, n) 44 Sc reaction: IR = 0, 112 The error of isomeric ratio calculated ... result, the isomeric ratio Υ m /Υ g of the reaction is presented. 1. Introduction The isomeric ratio data of nuclear take an important role in nuclear...

Ngày tải lên: 14/03/2014, 13:20

... determine the values of N m and N g . Substituting the parameters int o formula (2.5),wecalculatetheisomericratioof 46 Ti( γ, n) 44 Sc reaction: IR = 0, 112 The error of isomeric ratio calculated ... result, the isomeric ratio Υ m /Υ g of the reaction is presented. 1. Introduction The isomeric ratio data of nuclear take an important role in nuclear...

Ngày tải lên: 14/03/2014, 13:20

... which thermal expansion coefficients of this material are functions of elastic specificities of constituents, thermal expansion coefficients of constituents, volume fractions of fibre and particle ... volume fraction of the particle phase ξ 3 is constant. N.D. Duc et al. / VNU Journal of Science, Mathematics - Physics 24 (2008) 57-65 64 Case 3: Let volume fraction of...

Ngày tải lên: 28/03/2014, 13:20

... (A) Kinetics of bis-ANS fluorescence at different NDV concentrations from a representative experiment. (B) Relative fluorescence of bis-ANS, I rel ,at 90 s of reaction at the desired NDV concentration. ... found that 10 lg of bovine brain gangliosides and 5 lg of GD1a were sufficient to observe saturation under the conditions of the experiment. The observed saturation of...

Ngày tải lên: 30/03/2014, 13:20

... constitutive fgl2 transcription. Linker-scanning and EMSA analyses To gain further insight into the regulation of the fgl2 promoter, the region between )119 to )41 bp, just upstream of the putative ... [33]. Therefore, we undertook studies to determine the contribution of the PRD at nucleotide )87 to nucleotide )49 that is implicated in the constitutive expression of fgl...

Ngày tải lên: 20/02/2014, 11:20

... semigoup operator (T (t)) t≥0 satisfies the hypothesis of theorem (2.3) then the solution of Eq.(12) in the case µ = 0 is asymptotic equivalence to the solution of Eq.(12) in the case µ = 0. Ackowledgments. ... 0 (8) First of all, we investigate an extention of the conditions for stable (see [12]) of solution of delay linear diffirential equation under nonlinear per...

Ngày tải lên: 22/03/2014, 11:20

... suggesting the involvement of a single protonation step in the catalytic reaction at this pH (Fig. 7A,C). However, at pH 6.5, the relation between the rate ratio and the atom fraction of deuter- ium, ... less affected by the pH. The point of intersection of the two regions is the kinetic pK a of the ionizing groups on the ES complex [51]. As the proton...

Ngày tải lên: 19/02/2014, 02:20

... understanding of the biosynthesis of triterpene saponins is required, including the enzymes catalyzing the sequence of reactions and the genes encoding these enzymes. The biosynthesis of triterpene ... with the same retention time (15.4 min) (entry B) as that of authentic sample (entry A). The MS fragmentation pattern of this peak (B in Fig. 4) was completely identic...

Ngày tải lên: 19/02/2014, 07:20

... Activities that exceed actin alone are probably the result of partial stabilization of the most active state of regulated actin. In the case of cardiac troponin–tropomyosin, this extra activation was ... real time. This manuscript explores, in detail, a well-known method of monitoring the state of regulated actin. The fraction of actin in the active state can be meas...

Ngày tải lên: 07/03/2014, 09:20

... reaction conditions for the analysis of O 2 – Æ, the effect of buffer solution and the concentration of the fluorescent probe were investigated. Effect of pH and buffer concentration The pH of the medium ... Linear correlation between the fluorescence intensity and the concentration of DBZTC oxide. Scheme 2. A mechanism for the reaction of DBZTC with O 2 – Æ....

Ngày tải lên: 16/03/2014, 11:20