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1 year ago

Results of Experiment I Results of condition

4. Results of Experiment I
4.1. Results of condition (a) “audio sample only”
At first the differences between the comfort soundscape assessment were examined. A median test was applied to decide whether the differences between the 7 investigated soundscapes were statistically reliable. The main result shows a significant difference for the investigated soundscapes [chi2(6, N = 17) = 80.608; p < 0.001]. However, detailed pair comparisons show that SGI-1027 there were no significant differences between the soundscapes 2, 3, 4 and 5, 6, 7. A clear size effect is observed in Fig. 3, with three groups of different soundscapes. Soundscape A1 belongs to the group 1, soundscapes A2, A3, A4 to group 2 and soundscapes A5, A6, A7 to group 3.
Fig. 3. Medians for environment comfort assessment of the investigated soundscapes at different sound levels.Figure optionsDownload full-size imageDownload as PowerPoint slide
Although for other sound levels the results of prothallus analyses look different, the monotonic function of the comfort value occurs for all the sound levels (see Fig. 3). The difference of 6 dB does not create a different comfort assessment with the following soundscapes: A1, A2, A3, A4, A5, and A7.

1 year ago

Fig xA Stress ndash strain curves

The β + (α + β) heat treatments were designed to remove the initial α particles completely and to create acicular α instead. In this type of heat treatment, the samples were first solution treated in the β phase field (900 °C for 15 min) and then cooled to the α + β region (700 °C) at the cooling rate of 10 °C/s, then soaked and subsequently quenched. The resulting acicular α phase was either present as isolated laths inside the grains or as Widmanstätten laths near prior β grain boundaries. Because the β phase Efavirenz of these two new alloys is significantly lower than that of the reference Ti–10V–2Fe–3Al material, in samples with a relatively lower α volume fraction a noticeable amount of thermal martensite in the retained β phase was present, as shown in Fig. 10(a) and (c) as the dense light gray clusters in the β domain. Longer soaking in the α + β phase field resulted in a higher volume fraction of acicular α phase upon quenching as (Fig. 10(b) and (d)) compared to the shorter soaking time. At the same time, with the increase in the α phase fraction, the retained β phase is food pyramid gradually stabilized, resulting in β domains free of thermal martensite as can be seen in the micrographs.

1 year ago

The conductivity of river water was not altered by the

Fig. 4 indicates a clear decrease in the number of enzymatically viable Ginsenoside Rg1 with intact cell membranes in the influents, with the increase in AgNP level in the aqueous phase (up to 10 mg L− 1). The water samples collected on three different dates from the Tancheon River contained approximately 2.54 ± 0.39 × 105 viable cells mL− 1, which was decreased to 1.14 ± 0.13 × 105 (SC2), 0.59 ± 0.05 × 105 (SC3), and 0.36 ± 0.06 × 105 (SC4) cells mL− 1 after the addition of AgNPs (i.e., 2.5, 5, and 10 mg L− 1, respectively). Flow cytometric analysis with FDA hydrolysis helped visualize the amount of enzymatically active (i.e., vital) microbes, equivalent to concurrent ATP measurement and flow cytometry with two different kinds of fluoresceins, for the same purpose. Based on these results, we suggest the use of flow cytometric determination for accurate quantification of cellular viability, which has (so far) been determined using conventional one-way microbial techniques (e.g., heterotrophic plate count), for process monitoring.

1 year ago

Conclusions In conclusion the novel CeaTabOx series catalysts

Fig. 10. DRIFTS spectra of the NOx adsorption of the CeaTabOx series catalysts at 100 °C (a). Deconvoluted results of bands attributed to nitrite and nitrate Mutant IDH1-IN-1 (b). Correlation between amounts of relevant nitrite and nitrate species and the CeaTabOx series catalysts (c).Figure optionsDownload full-size imageDownload as PowerPoint slide
Fig. 11 shows the DRIFTS spectra of NO + O2 on Ce1Ta1Ox in the temperature range of 100–350 °C. The intensities of the bands assigned to monodentate nitrite, monodentate nitrate, bridging nitrate and adsorbed NO2 content decrease with increasing temperature, whereas the intensity of the band ascribed to bidentate nitrate exhibits a slight increase in the range of 100–200 °C and then a significant decrease at 200 °C and higher temperatures. These findings indicate that the variation from bridging nitrate into a bidentate nitrate happened at low temperatures. Meanwhile, it can be found that the bridging and bidentate nitrates remain adsorbed on the catalyst in a relative thermal stability form until approximately 350 °C. In contrast, monodentate nitrite and monodentate nitrate can hardly be observed at high temperatures (≥250 °C).

1 year ago

Table reveals that the elastic modulus E

3.3. Hertzian contact damage mechanisms
Optical half-surface and side views of Hertzian contact damage on material B and C BQ-123 reported in Fig. 2 after indentation with a sphere of radius 1 mm at peak load P =500 N. Material B with 3% of porosity showed deep circular ring cracking which extends into cone cracks propagating downwards. Some damage was also observed below the contact site. For the material with 18% porosity, a clear depression was observed without any evident fracture at the surface. A significant deformation of half hemispherical shape extends beneath the indent. It can be also observed a base pronounced crack at the boundary between the damaged area and the undamaged one ( Fig. 2).
Fig. 2. Optical and laser views of Hertzian damage in material C (i) and B (ii) showing surface (top), subsurface (bottom) from bonded-interface specimen after indentation with 1 mm radius sphere at load P =500 N.Figure optionsDownload full-size imageDownload as PowerPoint slide

1 year ago

The heat of hydride formation was

In the hypo-stoichiometric series of the alloys, ΔH of alloys Y6–Y9 can be obtained and are very similar to that of the Y-free TMC647055 alloy (Y0). The ΔS of these alloys are also very similar. Therefore, uracil seems that the addition of Y in the hypo-stoichiometric series does not change the metal–hydrogen bond and the ordering of the hydride significantly. This result is somewhat unexpected.

1 year ago

The simulation of in situ arsenic removal from groundwater with

2.4. The simulation of in situ arsenic removal from groundwater with the iron coating
After the completion of the experiment, the iron-coated quartz sand was collected from the column and processed as described in Section 2.3. The concentrations of iron and arsenic and the amount of adsorbed arsenic concentrations were then determined.
2.5. Chemical analysis
The concentration of fluorescein sodium and iron in the collected samples was measured using FG2216 portable spectrophotometer (HACH, DR2800). The arsenic concentration in the solutions was determined using 'FG2216' an atomic fluorescence spectrometer (AFS, Beijing Haitian Instruments). The phenanthroline method was used to determine the iron concentration after the iron was reduced to Fe(II) by the reducing agent (hydroxylamine hydrochloride, 10 wt.%). The detection limit of spectrophotometer for both fluorescein sodium and ferrous ion concentration analysis was 0.01 mg/L and the atomic fluorescence spectrometer for arsenic concentration determination was 0.1 μg/L. The standards and replicates were measured in every ten samples as an analysis routine for arsenic, fluorescein sodium and ferrous ion concentration determination. Unless otherwise stated, the reproducibility was better than 5% relative for all compounds analyzed.

1 year ago

Vibrational spectroscopy is one of the most useful tools

2, each ligand carries a 2-charge and each O has three lone pairs. The metal–ligand σ bonds result from the interaction of one lone pair on each O with the metal. One set of lone pairs (one from each O) is often represented as delocalized into the π structure of the ligand as shown in this line drawing (at other times the C–O bonds are simply draws as single bonds).

1 year ago

According to the results while this coupling was not satisfying

By using Rw = 50%, which is the average of the measured Rw for the PD173955 samples, Ta¯(k) is higher than 1 for the 7 Ks-PTFs of category II and is equal to 5.56, 5.06, 5.08, 7.58, 50.08, 2.03 and 6.39 respectively. Following these results, Ks-PTF of Wösten-1997 with Ta¯ = 50.08 is by far the most sensitive to BDm and consequently to Rw.

1 year ago

This paper reports the hybrid density functional determination

We have performed first principles density functional calculations of SnO6-containing oxides with two different methods. The first approach is density functional calculations with the PBEsol generalized gradient approximation (GGA) [36] and the projector-augmented-wave method as implemented in VASP [37] and [38]. We considered the following valence CEP-37440 configuration: 5s26s25p65d1 for Ba, 4s25s24p64d1 for Sr, 3s23p64s23d0 for Ca, 4d105s25p2 for Sn, and 2s22p4 for O. The electronic wave functions were expanded with plane waves up to a kinetic-energy cutoff of 400 eV except for structural optimization, where a kinetic energy cutoff of 520 eV has been applied to reduce the effects of Pulay stress. The momentum space integrations were performed using a 4×5×5 Γ-centered Monkhorst–Pack k-mesh [39]. For the various symmetries examined, the lattice constants and internal coordinates were fully optimized until the residual Hellmann–Feynman forces became smaller than 10−1 meV/Å. In the PBEsol calculation, the correct band gap could not be obtained, as noted by previous researchers [11], [12], [13] and [14], because of ignoring the Hartree–Fock exact exchange part. In addition, the plane wave approach for the hybrid functional calculation incurs considerable computational cost for low symmetry structural optimization. Therefore, we have applied the hybrid density functional calculation of CRYSTAL09 [40] to study the electronic structure of SnO6-containing oxides for a systematic band gap prediction with B3LYP hybrid functional [41]. For the oxygen atom, we have used all electrons Gaussian Type Function (GTF) and the Hay–Wadt pseudo-potential for the core electron has been used for the Ba, Sr, and Ca atoms [42]. We have applied the Durand 21G type pseudo-potential for Sn atoms [42]. For each given system, we have performed the independent structural optimization using the B3LYP hybrid functional [32] and [41] and also LDA-PZ [26] and PBE-GGA [27] functional. The total energy calculations have been performed in the momentum space integrations using an 8×8×8 Γ-centered Monkhorst–Pack k-mesh [39] for the CRYSTAL09 calculation. After each structural optimization starting from experimental values, structural parameters have been summarized based on the optimized structure and the band diagrams have been obtained to check the band gap obtained from the density of state calculation. We would like to emphasize that our B3LYP hybrid density functional calculation is done with independent optimized structure. Details of the structural parameters have been converted to CIF file format for GGA and B3LYP hybrid density functional and can be downloaded from the Supplementary material for all 9 compounds [43].