... are accelerated with respect to the background gravitational potential font” of universe ϕg0 Whether this font is just the absolute space of Newton”! However the background font is not actually ... dẫn.Như nguyên lý tương đương hệ mơ hình REFERENCES [1] Nguyen Ngoc Giao, The Theory of Gravitational Field (The General Theory of Relativity), Library of University of Natural Sciences, Ho Chi ... Development, Vol 9, No.5 - 2006 [3] A.Einstein, The Meaning of Relativity, Princeton University Press, Princeton, N.J., 1964 [4] V.Fock, The Theory of Space, Time, and Gravitation, trans By N.N Kemmer,...
Ngày tải lên: 22/07/2014, 10:21
... play the role of the Cauchy matrix for the DAEs Lemma 2.1 Suppose that (2.1) is a DAE of index and the coefficient matrices A(t), B(t) are continuous and bounded on R+ Suppose further that the ... all t ∈ R+ and some < α < Theorem 3.3 Suppose that (2.1) is a linear DAE of index and the matrices A(t), B(t), A−1 (t) and P (t) are continuous and bounded on R+ Suppose fur1 ther that the perturbation ... (t) are continuous and bounded on R+ Suppose further that the central exponent Ωu of the corresponding ODE (2.5) is negative and the condition (3.15) is satisfied for δ0 > Then there exists δ1 >...
Ngày tải lên: 06/08/2014, 05:20
Tài liệu Location and Rents: The Indifference Principle, Submarkets and Land Use Segregation pptx
... structures pt(d) = [Pt(d) –c/i]/q What about the price of land beyond the current border (b0) In t years from now the border will have expanded to b0egt Inverting, land at distance d> b0 will be developed ... multiple With no growth [g=0] the multiple is the inverse of the discount rate – at all locations More? Capozza/Helsley MIT Center for Real Estate 11) Like land rent, land price is a residual from ... Notice that as g hits zero the last term vanishes Where are land prices most volatile as g fluctuates? MIT Center for Real Estate Land Price p0 (d) The components of Land Prices Current Location...
Ngày tải lên: 09/12/2013, 15:15
Tài liệu Báo cáo khoa học: Crystal structure of the cambialistic superoxide dismutase from Aeropyrum pernix K1 – insights into the enzyme mechanism and stability pdf
... of ApeSOD The line reflects the best fit of the data and indicates that the apparent molecular mass is 96 265 Da The deviation between empirical data and the fitted line is plotted in the upper ... which, together with the OD2 of Asp165, the NE2 of His79 and the NE2 of His169, formed an equatorial plane (Fig 3B) The metal ion and the addi˚ tional water oxygen were only 0.03 and 0.04 A, ... ligand, NE2 of His31, bound to the metal, in the company of a water oxygen, from the apical positions The manga˚ nese was only 0.06 A out of the equatorial plane (Table 3) The angles around the...
Ngày tải lên: 14/02/2014, 22:20
Tài liệu Báo cáo khóa học: Mutations in the hydrophobic core and in the protein–RNA interface affect the packing and stability of icosahedral viruses doc
... dissociation and denaturation To further confirm the urea-induced changes in secondary structure, we analyzed the UV CD spectra of MS2 and the ts mutants in the presence and absence of 4.5 M urea, the ... middle of the central b-strand of the coat protein dimer and its side-chain projects into the protein’s interior (Figs 1B and 8) The two Met88 residues are in close proximity to one another at the ... area of the residue (% 59 A2) and in the interactions occurring there (corresponding to the b-sheet) is smaller An appealing interpretation for these findings is that the lower stability of the coat...
Ngày tải lên: 19/02/2014, 12:20
Báo cáo khoa học: Relationship between functional activity and protein stability in the presence of all classes of stabilizing osmolytes ppt
... force for the folding is the unfavourable interaction between the osmolyte and the peptide backbone, and (b) the total contribution of side chains to the stability of the native state, which may ... different classes based on their effects on stability and activity parameters of RNase-A Functional stability and activity by osmolytes Results and Discussion Protein stability and enzyme activity have ... reactions of the enzyme–substrate, enzyme–intermediate and enzyme–product complexes [29] On the other hand, kcat ⁄ Km is an apparent second-order rate constant that refers to the properties and the reaction...
Ngày tải lên: 07/03/2014, 00:20
Báo cáo khoa học: Global shape and pH stability of ovorubin, an oligomeric protein from the eggs of Pomacea canaliculata pot
... giving the best fit to the scattering intensity The resulting dummy atom model represents the shape of the scattering particle To increase the reliability of the results, the final model for the dummy ... anisometric protein Another difference is the role that the carotenoid pigment ASX plays in the structural stability of these FEBS Journal 275 (2008) 4522–4530 ª 2008 The Authors Journal compilation ... structure The high stability of ovorubin oligomers might be due to a shift of the pK of the amino acid residues beyond 12, owing to their involvement in salt bridges At acidic pH, the stability...
Ngày tải lên: 07/03/2014, 06:20
Báo cáo khoa học: "Combining EM Training and the MDL Principle for an Automatic Verb Classification incorporating Selectional Preferences" pot
... model The MDL principle finds a compromise between the size of the model and the accuracy of the data description Our selectional preference model relies on Li and Abe (1998), applying the MDL principle ... minimises the sum of encoding both the model and the data The model length (ML) is defined as k ∗ log2 |S|, ML = with k the number of concepts in the partial hierarchy between the top concept and the ... According to the MDL principle, the model with minimal description length should be chosen The description length itself is the sum of the model length and the data length, with the model length...
Ngày tải lên: 08/03/2014, 01:20
Báo cáo khoa học: Soluble recombinant CD69 receptors optimized to have an exceptional physical and chemical stability display prolonged circulation and remain intact in the blood of mice doc
... biochemical stability Interestingly, the stability of the short proteins CD69NV82 and CD69NS84 is much lower using these criteria, both from the point of view of their physical stability upon heating and ... the incomplete removal of the initiation methionine from these proteins during recombinant production CD69NG70 has unusual solubility and stability To assess the solubility and stability of the ... method for looking at the thermal stability of CD69 proteins because the changes in the amide I and II bands (Fig 2D) are sensitive indicators of the change in contents of the individual secondary...
Ngày tải lên: 16/03/2014, 04:20
Báo cáo khoa học: Effects of salt on the kinetics and thermodynamic stability of endonuclease I from Vibrio salmonicida and Vibrio cholerae potx
... and mutations affect the stability and kinetic constants of VsEndA and VcEndA, and found the effects to be striking, especially for VsEndA Thermal stability At 175 mm NaCl, the native enzymes display ... addition, the effects of reciprocal mutations of two non-conserved DNA binding site residues (VsEndA, Q69N and K71N; VcEndA, N69Q and N71K) on the kinetics, thermostability and salt dependence of these ... of the thermodynamic data, together with mutational and structural investigations, was used to gain an insight into halotolerant adaptation Results Protein production and thermal stability The...
Ngày tải lên: 16/03/2014, 06:20
Đề tài " A Mass Transference Principle and the Duffin-Schaeffer conjecture for Hausdorff measures " pdf
... Transference Principle that Hf (Sk (ψ)) = Hf (Ik ) and this completes the proof of Theorem 3.2 The Jarn´ ık-Besicovitch theorem In the case k = and ψ(x) := let us write S(τ ) for Sk (ψ) The Jarn´ ... noting that f k the ratio of the radii of the balls Bi and Bi are uniformly bounded between positive constants and then adapting the proof of Lemma in the obvious manner In view of the above discussion, ... view of (11) and (12) the collection KG,B satisfies the desired properties Lemma shows that the full measure property (9) of the Mass Transferf ence Principle implies the existence of the collection...
Ngày tải lên: 22/03/2014, 20:20
Báo cáo khoa học: Using directed evolution to improve the solubility of the C-terminal domain of Escherichia coli aminopeptidase P Implications for metal binding and protein stability pptx
... close to the N-terminus of the fragment ) it lies between the start of the fragment and the predicted start of the domain (Fig 1) From the round mutants, three were selected for further characterization: ... improving the solubility of the domain In the case of the AMPP protein, the boundary of the domain would have been better determined from an inspection of the structure rather than by the experimental ... the negatively charged acids In the absence of metals, the negatively charged residues will tend to repel one another, thus destabilizing the protein For the native protein, the presence of the...
Ngày tải lên: 23/03/2014, 07:20
Báo cáo khoa học: Role of the surface charges D72 and K8 in the function and structural stability of the cytochrome c6 from Nostoc sp. PCC 7119 potx
... neutralization of the effect of the mutation D72K on the protein’s global charge was not sufficient to fully reverse the negative effect on the stability of cyt c6 The apparent stability of the mutants ... residues K8 and D72 are located near the crossing region of the helices, and the Nx atom of K8 is found ˚ at a distance of 6.2 A from the nearest side-chain oxygen of D72 Taking the functionally and ... twostate equilibrium model (NfiU) The experimental DSC curves, together with their best fits, for the thermal unfolding of wild-type cyt c6, and for the mutants D72K and D72A ⁄ K8D at pH 5.0 are shown...
Ngày tải lên: 30/03/2014, 20:20
quantum theory - the church-turing principle and the universal quantum computer
... principle is corroborated and becomes, on the one hand, a guide in the construction of new theories, and on the other, a means of understanding more deeply the content of existing theories It is often ... always the same one) is in motion during anyone step, and (ii) the motion depends only on the state of a finite subsystem, and (iii) the rule that specifies the motion can be given finitely in the mathematical ... — must remain open until the state space and dynamics of the universe are understood better What little is known seems to bear out the principle If the theory of the thermodynamics of black holes...
Ngày tải lên: 29/04/2014, 14:54
Báo cáo hóa học: " Local stability of the Pexiderized Cauchy and Jensen’s equations in fuzzy spaces" pptx
... for all x, y Ỵ X and positive real numbers t, s The rest of the proof is similar to the proof of Theorem 2.1, and we omit the details □ Acknowledgements This work was supported by the Korea Research ... the proof All authors conceived of the study, and participated in its design and coordination All authors read and approved the final manuscript Competing interests The authors declare that they ... (80δz0 , t) Therefore, by the additivity of T and S, it follows that N(T(x) − S(x), t) = N(T(nx) − S(nx), nt) ≥ N (80δz0 , nt) for all x Ỵ X, t > and n ≥ Hence, the right hand side of the above...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: "Integro-differential inequality and stability of BAM FCNNs with time delays in the leakage terms and distributed delays" doc
... xi(t) and yj(t) are the states of the ith neuron and the jth neuron at time t, respectively; δi ≥ and θj ≥ denote the leakage delays, respectively; fi and gj denote the signal functions of the ... constants, ˜ ˜ and bj represent the rate with which the ith neuron and the jth neuron will reset their potential to the resting state in isolation when disconnected from the networks and external ... designed and performed all the steps of proof in this research and also wrote the paper KL participated in the design of the study and helped to draft and revise manuscript All authors read and approved...
Ngày tải lên: 21/06/2014, 00:20
báo cáo hóa học:" Research Article The Existence and Exponential Stability for Random Impulsive Integrodifferential Equations of Neutral Type" pot
... 0, and it is easily seen that we can derive that the functions f1 and f2 satisfy conditions H1 and H2 with the Lipschitz coefficients L1 and L2 , respectively On the other hand, hypothesis H3 and ... equations by employing the comparison theorem Very recently, the existence, uniqueness and stability results of random impulsive semilinear differential equations, the existence and uniqueness for ... conditions 2.3 and 2.4 is shown by using an integral inequality Theorem 4.1 Supposed that the conditions of Theorem 3.2 holds, then the solution of the system 2.2 with conditions 2.3 and 2.4 is exponential...
Ngày tải lên: 21/06/2014, 11:20
The precautionary principle: protecting public health, the environment and the future of our children pptx
... harm These cases exemplify the failure of science and policy to prevent damage to health and ecosystems and the resulting impacts on health and the economy In line with the mandate given by the ... precautionary principle help protect the future of our children? 15 WHO The precautionary principle: a legal and policy history 31 Andrew Jordan & Timothy O’Riordan Public health and the precautionary principle ... of the level of risk and the strength of evidence and uncertainty, but also of the magnitude, reversibility and distribution of the risk, the availability of opportunities to prevent risk, the...
Ngày tải lên: 28/06/2014, 23:20
Báo cáo lâm nghiệp: "Production potential and ecological stability of mixed forest stands in uplands – VI. A beech/larch stand on a mesotrophic site of the Křtiny Training Forest Enterprise" pot
... with the results of studies carried out on these plots in the past On the basis of the evaluation described above the importance and the share of particular species in the production potential and ... larch slightly decreased, nevertheless, the species has taken up steadily 35% of the reduced stand area in the last 20 years On the other hand, the proportion of the second main species, i.e beech, ... years, the stand with the proportion of beech and larch 80 and 20%, respectively, had the total growing stock of 430 m3/ha With the proportion of beech and larch 60 and 40%, respectively, the growing...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Stability of Norway spruce (Picea abies [L.] Karst.) stands in the Beskid Śląski and Beskid Żywiecki Mts. from the aspect of their nutrition status" pptx
... gain the highest speed between November and March and can cause great damage to stands The spatial distribution of rain and snowfall in the Beskid Śląski Mts and in the western part of the Beskid ... of the degree of threat to spruce stands and of soil degradation The analysis of soils on the sample plots showed that under the stands of the RS-1 plot there are acid brown soils, relatively the ... According to the standards set by Cape et al (1990), the content of calcium in the second year of needles in all the analyzed groups of stands is on the decrease for the growth of trees and, in the first...
Ngày tải lên: 07/08/2014, 10:21