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Mohammadi, M.,Akhbari, K.,Hanifehpour, Y.,Morsali, A.,Joo, S.W.,Bruno, G.,Rudbari, H.A. Elsevier Sequoia 2013 Journal of organometallic chemistry Vol.733 No.-
A new thallium(I) two-dimensional supramolecular polymer, [Tl<SUB>6</SUB>(biphO)<SUB>4</SUB>(biphOH)<SUB>4</SUB>(NO<SUB>3</SUB>)<SUB>2</SUB>]<SUB>n</SUB> (1), biphOH = 4-hydroxy biphenyl, has been synthesized and characterized by elemental analyzes and IR spectroscopy. Compound 1 was structurally characterized by single-crystal X-ray diffraction and in addition to three types of Tl<SUP>I</SUP> ions has secondary Tl...π Interactions. Two different Tl<SUB>2</SUB>O<SUB>3</SUB> nano-structures have been prepared by direct calcination of 1 at two different temperatures. These Tl<SUB>2</SUB>O<SUB>3</SUB> nano-structures were characterized by scanning electron microscopy, X-ray powder diffraction (XRD) and IR spectroscopy. This study demonstrates the coordination polymers may be suitable precursors for the preparation of nanoscale materials with various and interesting morphologies; however the final morphology of Tl<SUB>2</SUB>O<SUB>3</SUB> can be influenced by calcination temperature.
Zhao, P.Y.,Li, H.L.,Mohammadi, M.,Kim, I.H. Elsevier 2016 Poultry science Vol.95 No.1
<P>A 35 d trial was conducted to evaluate the effects of dietary lactulose on growth performance, nutrient digestibility, meat quality, relative organ weight, and excreta microflora in broilers. A total of 816 1-day-old male Ross broilers (40.2 +/- 0.4 g) were allotted to 4 dietary treatments using 12 cages with 17 chicks per cage. Treatments were: 1) CON, basal diet; 2) L05, CON + 0.05% lactulose; 3) L10, CON + 0.10% lactulose; and 4) L15, CON + 0.15% lactulose. Higher (P < 0.05) body weight gain (BWG) and lower (P < 0.05) feed conversion ratio (FCR) were observed in broilers fed the L15 diet compared with those fed the CON diet during d 22 to 35. During d 0 to 35, BWG was higher (P < 0.05) and FCR was lower (P < 0.05) in broilers fed lactulose diets than those fed the CON diet. Additionally, broilers fed L15 diets had the highest BWG (P < 0.05) and lowest FCR (P < 0.05). The apparent total tract digestibility (ATTD) of DM and nitrogen (N) was increased (P < 0.05) in broilers fed the L15 diet compared with those fed the CON diet. Drip loss was decreased (P < 0.05) in L10 and L15 treatments compared with CON treatment on d 1, d 3, and d 5. On d 3, lowest (P < 0.05) drip loss was observed in the L15 treatment. Excreta E. coli counts in the L15 treatment were decreased (P < 0.05) on d 14, but Lactobacillus counts in the L15 treatment were increased (P < 0.05) on d 14 and d 35 compared with the CON diet. A linear effect (P < 0.05) was observed on BWG (d 22 to 35), FCR (d 0 to 35), the ATTD of DM and N, drip loss, E. coli (d 14), and Lactobacillus (d 14 and d 35) counts. In conclusion, dietary supplementation of 0.15% lactulose can improve growth performance and nutrient digestibility; as well as increase the proliferation of Lactobacillus and decrease E. coli counts in excreta.</P>
R. Ebrahimi Fardshad,Y. Mohammadi,F. Ebrahimi 국제구조공학회 2019 Structural Engineering and Mechanics, An Int'l Jou Vol.72 No.3
In this paper, the magnetic field influence on the wave propagation characteristics of graphene nanosheets is examined within the frame work of a two-variable plate theory. The small-scale effect is taken into consideration based on the nonlocal strain gradient theory. For more accurate analysis of graphene sheets, the proposed theory contains two scale parameters related to the nonlocal and strain gradient effects. A derivation of the differential equation is conducted, employing extended principle of Hamilton and solved my means of analytical solution. A refined trigonometric two-variable plate theory is employed in Kinematic relations. The scattering relation of wave propagation in solid bodies which captures the relation of wave number and the resultant frequency is also investigated. According to the numerical results, it is revealed that the proposed modeling can provide accurate wave dispersion results of the graphene nanosheets as compared to some cases in the literature. It is shown that the wave dispersion characteristics of graphene sheets are influenced by magnetic field, elastic foundation and nonlocal parameters. Numerical results are presented to serve as benchmarks for future analyses of graphene nanosheets.