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Koroze a ochrana materialu
The Journal of Association of Corrosion Engineers (Asociace korozních inženýru)
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Critical state constitutive models and shear loading of overconsolidated clays with deviatoric hardening

{{\dot{\zeta }}}{{\dot{\gamma }}}\underline{\underline{1}}+\sqrt{\frac{3}{2}}\underline{\underline{n}}]$$ The evolution of the plastic strains is fully determined with a function ψ ( η , α ) $\psi \left( \eta ,\alpha \right)$ , where η = q p $\eta =\frac{\mathbf{q}}{p}$ such as; ζ ˙ γ ˙ = ψ ( η , α ) $\frac{{\dot{\zeta }}}{{\dot{\gamma }}}=\psi \left( \eta ,\alpha \right)$ . In some soil models, the arguments of ψ are ( p,α ) as are those of ϕ , which is no problem since ψ is needed only when q = ϕ ( p,α ). The function ϕ is such that the

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Stability of Road Earth Structures in the Complex And Complicated Ground Conditions

debatable, in particularly in conditions of poor recognition of subsoil conditions. One of the arguments for introducing this approach was the ease of application for numerical calculations, particularly in the case of FEM, because of the lack of necessity to use various partial factors for maintaining and destabilising impacts, which occurs in the case of approach 1, combination 1, as well as in the case of approach 2. 3 Discussion on Stability Assessments of Slopes in Case of Communication Embankments (According To Eurocode 7) For the discussion concerning the

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Deciphering lead and cadmium stripping peaks for porous antimony deposited electrodes

the area of this shoulder peak with higher amount of analytes can also be explained by similar arguments. Although relative interference of the ions was reported by various researchers [ 36 ], but in most of the previous studies electrodes were calibrated by using one type of ionic species at a time in the test solution. The obvious result was in the form of linear calibration. On the other hand, mechanistic approach is required when more than one type of analytes are present in the real sample solution. 5 Conclusion • Ex-situ deposition of active

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Experimental identification of modal parameters for the model of a building subjected to short-term kinematic excitation

similarities to the EMA, such approach may still constitute an alternative thereto. The basic argument supporting this thesis may be the fact that in the case of large objects (e.g., a tall building), it is impossible to excite vibrations through any kind of artificially induced impulses (e.g., with an impact hammer). On the other hand, short-time ground vibrations can be excited more easily, for example, by dropping a large mass tamper from a certain height in the vicinity of the tested object (cf. formation of gravel columns in the dynamic soil replacement method). In such

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Formation of Fe and Ni substituted LiMn2–XMXO4 nanopowders and their crystal and electronic structure and magnetic properties

can be again explained by the appearance of the second phase. The restoration of the structural quality for x = 0.5 can be explained on the basis of the argument given already by Branford et al. [ 52 ]. The authors in question noted that the cation structural unit ( Fig. 8 therein) was built of 4 cations which stabilized the configurations of 1:3 or 2:2 (1:1). In our case, the x = 0.5 sample is an example of 1:3 ratio (0.5 Ni:1.5 Mn). Fig. 2 Lattice parameter dependence (a) on nickel concentration for LiMn 2–x Ni x O 4 (the real concentrations were obtained

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Global Stability For Double-Diffusive Convection In A Couple-Stress Fluid Saturating A Porous Medium

initial data. 4 Variational Problem We now return to equation (24) and use calculus of variation to find the maximum problem at the critical argument m =1. The associated Euler–Lagrange equations after taking transformations q ^ = λ 1 q   and     γ ^ = λ 2 γ $\mathbf{\hat{q}}=\sqrt{{{\lambda }_{1}}\mathbf{q}}\,\text{and}\,\,\hat{\gamma }=\sqrt{{{\lambda }_{2}}}\gamma $ (dropping caps) are (29) 2 ( F + D ˜ a ) ∇ 2 q − 2 q + R 1 / 2 ( 1 + λ 1 ) 1 λ 1 1 / 2 θ k ^ − S 1 / 2 ( λ 2 + λ 1 L e ) 1 λ 1 1 / 2 λ 1 / 2 2 γ k ^ = 2 ∇ p , $$2\left( F

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Anisotropic elastic properties of FexB (x = 1, 2, 3) under pressure. First-principles study

% and 32.5 % for FeB, Fe 2 B and Fe 3 B, respectively ( Fig. 3 ). This enhanced N (E f ) is derived entirely from the Fe 3d states, with negligible contribution from the B 2p states. Following the above arguments we may predict that the appearance of superconductivity in Fe x B under pressure is similar to the case of iron that undergoes a transition to superconducting phase above 30 GPa when it loses its magnetic moment [ 31 ]. It is easy to observe that the magnetic moment decreases with increasing pressure. 4 Elastic properties under pressure It is well

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Examining the need for a public procurement maturity model (PPMM) for infrastructure buyers in a monopsony market structure


This paper examines the need for a Public Procurement Maturity Model (PPMM) in organizations with the role of road infrastructure buyers under public procurement legislation in a monopsony market structure. The environment used to contextualize the information is Romania and CNADNR (Compania Națională de Autostrăzi și Drumuri Naționale din România).

The literature research, open data as well as my own practical experience are used as entry data for the four parts of the paper: (i) the context leading to the PPMM need identification, (ii) an overview of the existing public (procurement) maturity models; (iii) discussions and (iv) summary, limitations, and outlook.

The paper provides arguments of an upstream intervention in the value chain of road transport infrastructure and highlights the benefits of such an intervention. Elements such as Romanian cultural dimensions, type of market structure or impact of the outcomes of public procurement process for road infrastructure are considered relevant entry data for an intervention which aims to contribute to the improvement of performance at a procurement process level.

The results of this paper serve as a starting point for further reflection on the performance in road infrastructure public procurement area in Romania. In addition to the awareness of the need for an intervention at a contracting authority level, the paper arguments that market structure or national cultural dimensions must be considered as entry data in designing maturity models.

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The delocalization of production to Poland

, D., 2015. A geography graduate's transition into the labour market in Poland: A quantitative and qualitative evaluation of the process , Bulletin of Geography, 29(29), 103-118. doi:10.1515/bog-2015-0028. Ramzi, H., Frein, Y., Hadj-Alouane, A.B., 2008. Supply chain design in the delocalization context: The relevant features and new modeling tendencies , International Journal Production Economics, 113, 641-656. doi:10.1016/j.ijpe.2007.10.016. Samuelson, P.A., 2004. Wher e Ricardo and Mill Rebut and Confirm Arguments of Mainstream Economists Supporting

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