Báo cáo " DETERMINING THE ISOMERIC RATIO OF NUCLEAR REACTION 46 Ti (γ, pn)44 Sc BY EXPERIMENT " docx
Báo cáo " DETERMINING THE ISOMERIC RATIO OF NUCLEAR REACTION 46 Ti (γ, pn)44 Sc BY EXPERIMENT" pdf
... determine the values of NmandNg. 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 Υm/Υg of the reaction is presented.1. Introduction The isomeric ratio data of nuclear take an important role in nuclear structure re-search and nuclear reaction mec ... JOURNAL OF SCIENCE, Mathematics - Physics. T.XXI, N01 - 2005 DETERMINING THE ISOMERIC RATIO OF NUCLEAR REACTION 46 Ti(γ,pn)44 Sc BY EXPERIMENT Tran Tri Vien, Doan Quang Tuyen, Nguyen Trung TinhCollege...
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Báo cáo " DETERMINING THE ISOMERIC RATIO OF NUCLEAR REACTION 46 Ti (γ, pn)44 Sc BY EXPERIMENT " docx
... determine the values of NmandNg. 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 Υm/Υg of the reaction is presented.1. Introduction The isomeric ratio data of nuclear take an important role in nuclear structure re-search and nuclear reaction mec ... JOURNAL OF SCIENCE, Mathematics - Physics. T.XXI, N01 - 2005 DETERMINING THE ISOMERIC RATIO OF NUCLEAR REACTION 46 Ti(γ,pn)44 Sc BY EXPERIMENT Tran Tri Vien, Doan Quang Tuyen, Nguyen Trung TinhCollege...
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Báo cáo "Determining thermal expansion coefficients of three-phase fiber composite material reinforced by spherical particles " potx
... 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 ξ3 is constant. N.D. Duc et al. / VNU Journal of Science, Mathematics - Physics 24 (2008) 57-65 64 Case 3: Let volume fraction of the particle phase ... expressions of transverse and axial thermal expansion coefficients of three-phase fiber composite material reinforced by spherical particles. In it, we note the variance of elastic specificities of the...
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Tài liệu Báo cáo khoa học: Gene transcription of fgl2 in endothelial cells is controlled by Ets-1 and Oct-1 and requires the presence of both Sp1 and Sp3 pdf
... constitutive fgl2 transcription.Linker-scanning and EMSA analysesTo gain further insight into the regulation of the fgl2promoter, the region between )119 to )41 bp, justupstream of the putative ... [33]. Therefore, we undertookstudies to determine the contribution of the PRD atnucleotide )87 to nucleotide )49 that is implicated in the constitutive expression of fgl2 to the induced transcription ... in the regulation of many consti-tutively expressed genes [45]. Sp1 might be initially recruitedto the fgl2 promoter and then facilitate the furtherrecruitment and binding of other positive...
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Báo cáo "On the asymptotic behavior of delay differential equations and its relationship with C0 - semigoup " potx
... semigoup operator (T (t))t≥0satisfies 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 caseµ = 0.Ackowledgments. ... 0(8)First of all, we investigate an extention of the conditions for stable (see [12]) of solution of delaylinear diffirential equation under nonlinear perturbation. We recall that, the conditions ... the qualitative theory of solutions of dif-ferential equation with time delay (see [1-5]). In this direction, a particular attentions has been focusedon extending the classical results on the...
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Tài liệu Báo cáo khoa học: Animal models of amyloid-b-related pathologies in Alzheimer’s disease docx
... externalelastic lamina and the formation of aneurysm. Further-more, the ratio of Ab42 ⁄ Ab40 levels in leptomeningeswas eight times lower than in neocortical tissueextracts. Ab42 could still have initiated ... [2]. The first identified ADmutation was located in the APP gene [3], although the majority of mutations were caused by geneticlesions in the presenilin (PS) genes, PS1 and PS2. The mutations either ... astrocytosis. The Dutch and Iowa mutations bothreduce the negative charge of Ab and stimulate the formation of amyloid fibrils and attachment to the cellsurface of human cerebrovascular SMCs. The twomutations...
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Tài liệu Báo cáo khoa học: Identification of b-amyrin and sophoradiol 24-hydroxylase by expressed sequence tag mining and functional expression assay docx
... understanding of the biosynthesis of triterpenesaponins is required, including the enzymes catalyzing the sequence of reactions and the genes encoding theseenzymes. The biosynthesis of triterpene ... with the same retention time(15.4 min) (entry B) as that of authentic sample (entryA). The MS fragmentation pattern of this peak (B inFig. 4) was completely identical to that of the authen-tic ... December2005)doi:10.1111/j.1742 -465 8.2006.05120.xTriterpenes exhibit a wide range of structural diversity produced by asequence of biosynthetic reactions. Cyclization of oxidosqualene is the ini-tial origin of structural...
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Báo cáo khoa học: Equilibrium distribution of skeletal actin–tropomyosin– troponin states, determined by pyrene–tropomyosin fluorescence potx
... Activities that exceed actinalone are probably the result of partial stabilization of the most active state of regulated actin. In the case of cardiac troponin–tropomyosin, this extra activationwas ... real time. Thismanuscript 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-ured in real time by fluorescence ... inactive and active states of actin, respectively; C is the freeS1 concentration; q is the free Ca2+concentration; n is the number of actin monomers in one actin–tropomyosin–troponin...
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Báo cáo khoa học: Selective detection of superoxide anion radicals generated from macrophages by using a novel fluorescent probe pdf
... reaction conditions for the analysis of O2–Æ, the effect of buffer solution and the concentration of the fluorescent probe wereinvestigated.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 O2–Æ.Fig. 8. Effect of reaction time. 1, DBZTC ... the molar ratio of the reaction between the probe and O2–Æ, we synthesized pureDBZTC oxide and tested the fluorescence intensity of the oxide at different concentrations. A linear relation-ship...
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Báo cáo khoa học: Enhancing thermostability of maltogenic amylase from Bacillus thermoalkalophilus ET2 by DNA shuffling pdf
... residuesubstitutions were found to enhance the thermostabili-ty of the enzyme without affecting the activity whileone mutation caused the specific activity to decrease,but at the same time improved thermostability.Hydrogen ... half-life of the mutant was about threefold greater than that of the mutant of maltogenic amylase from Thermus strain(ThMA) at 85 °C. The hypothetical mechanism of each mutation contributing to the thermostability ... kd, of irreversible thermal denaturationwas obtained from the slope of the plots of ln(residualactivity) vs. time, and the half-life was calculated as ln2 ⁄ kd.To determine the Tm of the...
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