(μ-Acetato){μ-1,3-bis[2-(2-oxidobenzylideneamino)ethyl]-2-(2-oxidophenyl)-1,3-imidazolidine}dizinc(II) ethanol disolvate dihydrate

In the title binuclear compound, [Zn2(C27H27N4O3)(C2H3O2)]·2CH3CH2OH·2H2O, both Zn cations adopt distorted ZnO3N2 trigonal-bipyramidal geometries with one N atom in a axial site and one N atom in an equatorial site, arising from coordination by the N,N,N,N,O,O,O-hepta­dentate ligand and a bridging acetate ion. In the crystal, inter­molecular O—H⋯O hydrogen bonds link the component units into a three-dimensional network. Two short C—H⋯O contacts are also seen

Algebraic Cayley Graphs over Finite Fields

A new algebraic Cayley graph is constructed using finite fields. Its connectedness and diameter bound are studied via Weil's estimate for character sums. These graphs provide a new source of expander graphs, extending classical results of Chung

Analysis of related factors of macular retinal thickness in high myopia

AIM: To investigate the relationship between the macular retinal thickness and diopter, dominant eye, axial length. <p>METHODS: Totally 128 patients with high myopia group 180 eyes were selected, including the dominant eye in 79 eyes, the non dominant eye in 101 eyes. OCT was applied to measure macular and peripheral retinal thickness and A-mode ultrasonic diagnostic equipment to axial length. Another 112 patients with emmetropia group in 180 eyes, including the dominant eye in 106 eyes and the non dominant eye in 74 eyes served as control. Obtained data were statistically analyzed.<p>RESULTS: The average length of ocular axis in patients with high myopia(29.57±1.57)mm were significantly prolonged, compared with the mean axial length in normal group(24.13±0.90)mm(<i>P</i><0.05). The length of ocular axis and the retinal thickness of foveal inner ring area(from the foveal region of 1-3mm)above(S₁), below(I₁), temporal(T₁)and foveal outer ring area(from the foveal region of 3-6mm)above(S₂), below(I₂), nasal(N₂), temporal(T₂)existed correlation, while there was no correlation with macular central and nasal foveal inner ring area(N₁)retinal thickness. The retinal thickness of macular central area and each partition in high myopia group were obviously thinner than emmetropia group(<i>P</i><0.05). There was no statistical significance(<i>P</i>>0.05)between dominant and non dominant eye macular retinal thickness in high myopia.<p>CONCLUSION: The detected values of high myopia macular retinal thickness by OCT are lower than emmetropia group. There is a negative correlation between the ocular axial length and macular retinal thickness above(S₁), below(I₁), temporal(T₁), above(S₂), below(I₂), nasal(N₂), temporal(T₂)with high myopia. Ocular dominance and non dominant eye macular retinal thickness with high myopia have no obviously difference

East-West Partnerships for Poverty Reduction: Experience Review and Institutional Innovation

As a general rule, companies have focused most of their improvement initiatives in manufacturing and operations, leaving their internal service processes behind. This study presents a FRACAS process which is underperforming in terms of lead time. The process is studied in detail and the people who work with it were interviewed to find out how they think the process inhibits their work. The contribution this study makes is that it provides an example of what lean FRACAS could mean. The studied process presents itself as non-compliant with what the employees wish from such a process. This in turn causes these employees to underperform since they think that the process does not seem to provide value to neither themselves nor the customers

Effects of Ambient Temperature and Available Sugar on Bacterial Community of \u3cem\u3ePennisetum sinese\u3c/em\u3e Leaf: An \u3cem\u3ein vitro\u3c/em\u3e Study

The present in vitro study investigated the effects of temperature and available sugar on the bacterial community of Pennisetum sinese leaf during fermentation. P. sinese leaves were cultured in MRS broth containing 0.4 and 1.6 g sugar and incubated at 25°C and 45°C for 9, 18, and 36 h. The results showed that the dominant phyla during sugar fermentation were Firmicutes, followed by Proteobacteria and Bacteroidetes. Compared to a low incubation temperature (25°C), a high incubation temperature (45°C) decreased the relative abundances of Exiguobacterium and Acinetobacter and increased those of Bacillus and Paenibacillus. Leaf samples incubated at 25°C showed higher bacterial alpha diversity indices than those incubated at 45°C. Principal coordinate analysis revealed that the bacterial community structure was altered by the high incubation temperature. Sugar concentration of 1.6g/50ml increased the relative abundances of Bacillus and Klebsiella but decreased those of Paenibacillus and Serratia as compared to sugar concentration of 0.4g/50ml. pH was the primary factor that influenced the succession of bacterial communities during sugar fermentation in P. sinese leaves. In conclusion, ambient temperatures(25°C and 45°C)and high sugar concentration restructured the bacterial communities on P. sinese leaves by facilitating the dominance of Bacillus and Paenibacillus. This study provided insight into the mechanisms by which bacterial communities on P. sinese leaves are enriched