Báo cáo hóa học: " Adsorption behavior of Eu(III) on partially Fe(III)- or Ti(IV)-coated silica" ppt

... 613 nm, according to the amount of coated Fe(III) at pH 7. Figure 3. Eu(III) adsorption on partially Ti(IV)-coated silica at a concentration of 0.1 mM Eu(III). Eu(III) adsorption ratio is ... Provisional PDF corresponds to the article as it appeared upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Adsorption behavior...

Ngày tải lên: 20/06/2014, 23:20

... Access Dynamic behavior of a nonlinear rational difference equation and generalization Qihong Shi * , Qian Xiao, Guoqiang Yuan and Xiaojun Liu * Correspondence: shiqh03@163. com Department of Basic ... The study of properties of similar difference equations has been an area of intense interest in recent years [1-3]. There have been a lot of work concerning the behavior of t...

Ngày tải lên: 20/06/2014, 22:20

... bending and torsion stiffness and shear rigidity of the Ilizarov external fixator are similar to those of conven- tional one-half pin fixators [20]. Ilizarov fixators demon- strate nonlinear mechanical ... over three months of normal clinical use in a comminuted tibial defect model. This model reflects a "worst case scenario", since under normal clinical con- ditions bone form...

Ngày tải lên: 20/06/2014, 00:20

... virtue of Gronwall’s inequality, (2.1) and (2.14), gives (2.19). Proof of Theorem 2.1 By Lemmas 2.1-2.3, we complete the proof of Theorem 2.1. 3 Global existence of solutions in H 2 For external force ... C 2 ( T ) . (3:22) The proof is complete. Proof of Theorem 3.1 By Lemmas 3.2-3.3, Theorem 2.1 and Sobolev’s embedding theorem, we complete the proof of Theorem 3.1. 4 Global exis...

Ngày tải lên: 20/06/2014, 22:20

... every solution of Equation 2 converges to ¯ x Proof: As the proof of Theorem 2 and will be omitted. Theorem 4 The equilibrium point ¯ x of Equation 1 is global attractor if c ≠ a. Proof: Let p, ... is nonnegative integer and a, b, c are positive constants: Moreover, we obtain the form of the solution of some special cases of Equation 1 and some numeri- cal simulations to the equat...

Ngày tải lên: 21/06/2014, 00:20

... attractor of Equation 1 and then, the proof is completed. Theorem 3. (1) has no non-negative solution with prime period two for all p Î R + . Proof. Assume for the sake of contrad iction that ... 2011:6 http://www.advancesindifferenceequations.com/content/2011/1/6 Page 4 of 6 Numerical simulation In this section, we give some numerical simulations to support our theoretical analysis. Fo...

Ngày tải lên: 21/06/2014, 03:20

... argument for the metal- lic behavior of our MWCNTs network. Conclusions The structure formed by the MWCNT network embedded in SiN was XTEM investigated. The TEM investigations, performed on nanotubes ... and strong conditions. Strong oxidation conditions produce partially damaged nanotubes. Conse- quently, their conducti vity dec reases and the percolatio n threshold increases. On t...

Ngày tải lên: 21/06/2014, 06:20

... This Provisional PDF corresponds to the article as it appeared upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Growth behavior of titanium dioxide ... angle, but we are convinced that the primary factor of the precursor heating treatment is the surface functional group. Therefore, SEM and XRD were employed for the confirmation of chang...

Ngày tải lên: 21/06/2014, 17:20