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Based on the analysis of dynamic properties of ionic liquid solutions, the descriptions of diffusion mechanisms are built for dimethylimidazolium chloride (dmim + /Cl −)–alcohol solute systems and the influence of the monohydric alcohols' molecular structure on their diffusion mechanisms in dmim + /Cl − –alcohol at T = 400 K by molecular …
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Fig. 1 presents the structures of isolated ions in ball-stick fashion. The symmetrical characteristic of the ions are as following: [DMIM], C2v; [MS], Cs; and [DMP], C2. [DMIM] shows a completely planar structure with the dihedral angles of D N 1-C 2-N 3-C 4, D C 2-N 3-C 4-C 5, D H 11-C 6-N 1-C 2, and D H 14-C 7-N 3-C 2 being nearly 0°. …
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The chemical substances used in the study were [Bmim]BF 4, [Dmim]OAc and distilled water. [Bmim]BF 4 and [Dmim]OAc with purity of 99% were purchased from Beijing Anyln Technology Co., Ltd., China. Furthermore, [Bmim]BF 4, [Dmim]OAc and distilled water were purified by vacuum evaporation to remove the residual volatile …
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Water immiscible ionic liquid 1-dodecyl-3-methylimidazolium tetrafluoroborate (DMIM-BF 4) and its inclusion complex with β-cyclodextrin (β-CD) in molar ratio 1:1 have been synthesized.The formation of DMIM-BF 4 /β-CD complex was confirmed by FT-IR analysis, 1 H NMR analysis, and differential scanning calorimetry data. Our results …
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The accuracies are quite high considering the test working condition is complicated and changing all the time. The good performances prove the effectiveness of DMIM in learning useful representations for real-world motor fault diagnosis. (2) Generally, the proposed DMIM (G + L) outperforms the others in testing accuracy in Table 5. It not …
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DMIM combines mutual information entropy and "between-herb-distance" to score herb interactions and construct herb network. To evaluate the efficacy of the DMIM-extracted herb network, we conducted in vitro assays to measure the activities of strongly connected herbs and herb pairs. Moreover, using the networked Liu-wei-di-huang …
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A. Kącka and R. Jasiński / Current Chemistry Letters 6 (2017) 19 Fig. 3. Transition state TS structure for the decomposition of nitroethyl benzoates 1a catalyzed by the DMIM cation Table 2. Key parameters for structures of the decomposition of nitroethyl benzoates catalyzed by the DMIM cation according to B3LYP/6-31G(d) data (1a - R=H
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We probe, for the first time, quantum tunneling in the methyl groups of the ionic liquid [DMIm][TFSI] facilitated by the presence of Bis(trifluoromethane)sulfonimide lithium salt. The observation of tunneling is made possible by crystallization, rather than vitrification, of [DMIm][TFSI] at low temp …
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A recoverable photo-polymerization catalyst based on an imidazolium and a polyoxometalate, viz., (BMIm) 2 (DMIm)PW 12 O 40 (where, BMIm = 1-butyl-3-methylimidazolium, DMIm = 3,3′-dimethyl-1,1′-diimidazolium) is reported. It catalyzes photo-polymerization of several industrially important monomers like styrene, methyl …
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We have used molecular dynamics simulations to study the properties of three ionic liquid (IL)-water systems: 1-butyl-3-methylimidazolium chloride ([bmim]Cl), 1-ethyl-3-methylimidazolium acetate ([emim][Ac]), and 1,3-dimethylimidazolium dimethylphosphate ([dmim][DMP]). We observe the transition of t …
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The information regarding the existence of [C 4 dmim][BF 4], NMP and 2-py in the pure state and also of NMP or 2py in [C 4 dmim][BF 4] were obtained by assuming their structures in pure and mixtures.The ({}^{3}xi) / values for such structures were estimated using topological considerations (Eq. 10).Structures or groups of structures of a molecule …
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Figure S3: Effect of [C8mpyrrol]Br & [C8dmim]Br on the biotransformation Figure 3.a to 3.c: Inhibition of oxygen consumption. Figure E.1 to E.4: Graphical determination of Ki. General procedure for synthesis of bromide salts: A solution of 1-methylimidazole or 1,2-dimethylimidazole (1 eq) in acetonitrile (25 cm3) was prepared and
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The row section identifies the number of messages from that IP and whether they passed or failed spf and dkim tests. The auth_results section shows the result of the check for a spf and dkim record. Those two passing simply verifies the existence of those records and shows you what the messages were tested against. Spice (3) flag Report.
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Head of the DMIM in years 1952 – 1969 Figure 2.Prof. Jaroslav Mazák, M.D., Ph.D. Head of the DMIM in years 1969 – 1978 In the years 1969 – 1978, the DMIM and si-multaneously a newly established 2 nd Department of Internal Medicine of the FM were headed by Col. Prof. Jaroslav Mazák, M.D., Ph.D. Within the time
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Heth was born at Black Heath, in, ia, on December 16, 1825, into a family with a solid military pedigree. His paternal grandfather, Henry Heth, had been a colonel during the (1775–1783), while his father, John Heth, was a navy captain who was briefly captured during the . One of Heth's cousins was Confederate general George …
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In absorption cycles, ionic liquid (IL) 1,3-dimethylimidazolium tetrafluoroborate ([Dmim]BF 4) may be a promising absorbent of working pair using water as refrigerant.The vapor pressures of [Dmim]BF 4 aqueous solution were measured with the boiling-point method in the temperature range from 312.25 to 403.60 K and in the mass …
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Measurements were performed for ternary mixtures prepared with absorbent mole fraction (LiBr + [Dmim][Cl]) from 0 to 0.5987 and the MD simulations were carried out at selected compositions within this concentration range. The results revealed the existence of three water chemical environments: bulk water in absence of solutes, bulk water ...
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On account of the [DMIM]PF 6 molecules physically adsorbed rather than grafted on the surface of [CMIM]Cl/DA/Si, the simulated model of adsorption was different from the surface cover age simulation model. The [CMIM]Cl/DA/Si layer and the amorphous structural [DMIM]PF 6 layers with different ratios were constructed. In addition, two …
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Compared with the [mmiz] + ion, the [dmim] + ion has a more methyl group, which is larger than the [mmiz] + ion. The steric hindrance would make the [dmim] + ions inaccessible to the acid sites in 8-MR channels. Consequently, the DME conversion significantly increases to 70%. Moreover, the 1.0-[dmim]-MOR catalyst also exhibits …
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