hydrodynamics of ionic liquids in bubble columns

Dielectric properties of ionic liquids

Dielectric properties of ionic liquids

... book begins by reviewing the synthesis, purification and characterization of ionic liquids, presented in Chap In the “Introduction to Ionic Liquids” selected physical properties of ionic liquids ... polymerized ionic liquids) and under various thermodynamic conditions This book provides a comprehensive survey of electrical properties of ionic liquids and solids obtained from studies involving broadband ... melting point, glass transition, semi-crystallinity and viscosity are also discussed In Chap 2, with the ambitious title “Rotational and translational diffusion in ionic liquids”, new insights into

Ngày tải lên: 14/05/2018, 13:43

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Catalysed oxidation of quinoline in model fuel and the selective extraction of quinoline n oxide with imidazoline based ionic liquids

Catalysed oxidation of quinoline in model fuel and the selective extraction of quinoline n oxide with imidazoline based ionic liquids

... ArticleCatalysed oxidation of quinoline in model fuel and the selective extraction of quinoline-N-oxide with imidazoline-based ionic liquids Adeniyi S Ogunlajaa,⇑, Olalekan S Aladeb a Department of Chemistry, ... 6), hyperfine interaction lines predominately ascribed to V4+, [VO(sal-HBPD)] disappeared upon the addition of H2O2 (Fig 6B), indicating the oxidation of the V4+ to V5+ Addition of quinoline to ... 6D) with an indication of a slight change in the vanadium co-ordination geometry The oxidation of quinoline gave rise to quinoline-N-oxide (100%), with a turnover frequency (TOF) of 997 h1,

Ngày tải lên: 19/11/2022, 11:47

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scale up and process integration of sugar production by acidolysis of municipal solid waste corn stover blends in ionic liquids

scale up and process integration of sugar production by acidolysis of municipal solid waste corn stover blends in ionic liquids

... recovered after water washing, containing 11.9 g of lignin, a small quantity of ash (2.5 g), and undigested glucan (16.7 g in terms of cose) and xylan (2.2 g in terms of xylose) The overall glu-cose ... pumped and injected at 10  min to get the targeted water con-centration of 20% Water was injected into the mixture starting from 15 min for 45 min to get to the final water concentration of 43% Then, ... flow of IL acidolysis of MSW/corn stover blends at 6 L scale Photographs depicting (a) IL preheating in Parr reactor and MSW/CS blend, (b) mixing of IL and biomass, (c) solubilization of blend in

Ngày tải lên: 04/12/2022, 16:11

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Interactions of basic compounds with ionic liquids used as oils in microemulsion liquid chromatography

Interactions of basic compounds with ionic liquids used as oils in microemulsion liquid chromatography

... the interactions of cationic so- lutes with RPLC C18 columns using mobile phases containing aque- ous solutions of imidazolium ILs, in the presence of acetonitrile Here a comparison is made of ... determination of solvent properties of room temperature ionic liquids, J Chromatogr A 1037 (2004) 49–82 [10] U Doma ´nska, General review of ionic liquids and their properties, in: Ionic Liquids ... effect of the cation and anion in diverse ILs, in the presence of SDS and 1-butanol, with respect to our previous work with mobile phases containing IL and acetoni- trile instead of 1-butanol in

Ngày tải lên: 20/12/2022, 21:27

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Development of tough ion gel membranes containing CO2 reactive ionic liquids

Development of tough ion gel membranes containing CO2 reactive ionic liquids

... Transcending the conventional amine-based chemical absorption, researchers introduced a novel type of ionic liquids, called task specific ionic liquids (TSILs), which Trang 21Fig 1.5 Comparison of ... condition, without the loss of carrier and decline in performance In addition, by taking the advantage of tuning the chemical structure of TSILs, the separation performance of FTMs can be easily improved ... should contain a larger amount of IL, lower polymer content, and lower degree of cross-linking Second, the mechanical strength of ion- Trang 3223 gel membranes containing a large amount of ILs is

Ngày tải lên: 20/09/2018, 16:13

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Evaluating contribution of ionic, osmotic and oxidative stress components towards salinity tolerance in barley

Evaluating contribution of ionic, osmotic and oxidative stress components towards salinity tolerance in barley

... Transcriptional changes in the gene expression profile The expression of a number of key genes potentially in-volved in plant adaptive responses to salinity was exam-ined in hydroponically-grown ... which was originally suggested to encode a protein involved in Na+ sequestra-tion into the vacuoles, a 2-fold increase in NHX1 tran-script level was measured both in the leaf and root of the salt ... has been made in elucidating specific details of each of these mechanisms, the relative contribution of the above components to overall salinity tolerance remains unclear, prompting numerous attempts

Ngày tải lên: 27/05/2020, 01:49

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An evaluation of the effectiveness of head-enlarged soil cement columns (HCC) in ground improvement

An evaluation of the effectiveness of head-enlarged soil cement columns (HCC) in ground improvement

... mixing method Deep mixing method (DMM) or cement deep mixing (CDM) is the method of treating soft soil by mixing in-situ soil with an admixture Soil cement columns (SCC) are created for increasing ... modulus of soil (kPa) Ecomp elastic modulus of improved ground (kPa) su undrained shear strength of soil (kPa)  ratio of length of cap and the total length of HCC  ratio of diameter of cap of ... on-land and in-water constructions ranging from strengthening the foundation ground of Trang 12buildings, embankment supports, earth retaining structures, retrofit and renovation of urban infrastructures,

Ngày tải lên: 22/09/2020, 01:06

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An evaluation of the effectiveness of head enlarged soil cement columns (HCC) in ground improvement

An evaluation of the effectiveness of head enlarged soil cement columns (HCC) in ground improvement

... which isthe main step of the CDM method, including the penetration and withdraw process.Binder is injected during both penetration and withdraw for gaining theeffectiveness of mixing Finally, the ... mixing method Deep mixing method (DMM) or cement deep mixing (CDM) is the method oftreating soft soil by mixing in-situ soil with an admixture Soil cement columns(SCC) are created for increasing ... admixture could be only binder, binder and air or the mixing of binder, air and water - The combination of mechanical mixing and high pressure injection mixing Figure 2.7 Mixing shaft 8 Trang 192.1.4

Ngày tải lên: 27/10/2020, 19:57

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(Luận văn thạc sĩ) an evaluation of the effectiveness of head enlarged soil cement columns (HCC) in ground improvement

(Luận văn thạc sĩ) an evaluation of the effectiveness of head enlarged soil cement columns (HCC) in ground improvement

... mixing method Deep mixing method (DMM) or cement deep mixing (CDM) is the method of treating soft soil by mixing in-situ soil with an admixture Soil cement columns (SCC) are created for increasing ... modulus of soil (kPa) Ecomp elastic modulus of improved ground (kPa) su undrained shear strength of soil (kPa)  ratio of length of cap and the total length of HCC  ratio of diameter of cap of ... on-land and in-water constructions ranging from strengthening the foundation ground of Trang 12buildings, embankment supports, earth retaining structures, retrofit and renovation of urban infrastructures,

Ngày tải lên: 06/12/2020, 19:00

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An evaluation of the effectiveness of head enlarged soil cement columns hcc in ground improvement

An evaluation of the effectiveness of head enlarged soil cement columns hcc in ground improvement

... 4.16 Strain gauge installation: (a) installation of sensors along the depth of PF, (b) setting up sensors into PF, (c) strain gauge instruments, (d) sensor in PF For the static loading test, ... was installed strain gauges immediately after finishing mixing soil column when the binder is still soft The sensors inside the PF are connected to the test instruments for collecting data of ... length of HCC  ratio of diameter of cap of HCC and diameter of tail of HCC  xy horizontal stress increment (kPa) vertical stress increment (kPa) z ratio of distance between two columns

Ngày tải lên: 17/03/2021, 08:53

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Tunable aryl alkyl pyrazolium tetrafluoroborate ionic liquids/salts: synthesis, characterization, and applications for removal of methyl orange from aqueous solution

Tunable aryl alkyl pyrazolium tetrafluoroborate ionic liquids/salts: synthesis, characterization, and applications for removal of methyl orange from aqueous solution

... to obtain ionic liquids with desired anions [8-14] Ionic liquids with intriguing properties have found an extensive range of applications in diverse fields [15-20] The characteristics of ILs could ... adjusted by changing the combination of cations and anions Accordingly, a new type of ILs containing an aryl ring on their cations, specified as tunable aryl alkyl ionic liquids (TAAILs), has ... effect of the alkyl chain is remarkable than that of the p-substituent (Figure 3) Accordingly, the melting points of butyl substituted salts (5a-5c) are lower than the melting points of ethyl substituted

Ngày tải lên: 13/01/2022, 00:32

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Identification of ionic chloroacetanilide-herbicide metabolites in surface water and groundwater by HPLCMS using negative ion spray

Identification of ionic chloroacetanilide-herbicide metabolites in surface water and groundwater by HPLCMS using negative ion spray

... ENTEROVIRUSES; CONTAMINATION; INHIBITORS Addresses: Fout GS (reprint author), US EPA, NERL, Off Res & Dev, Martin Luther King Dr, Cincinnati, OH 45268 USA US EPA, NERL, Off Res & Dev, Cincinnati, OH 45268 ... ion-exchange, ion-interaction and ionexclusion chromatography, is increasingly being investigated as a simpler alternative to gas chromatographic methods for the determination of polar disinfection by-products ... heating and cooling the sample block and a heat sink and fan to remove heat from the module during cooling Sample temperature was controlled to within about 1degreesC at each of the PCR setpoints

Ngày tải lên: 20/10/2022, 04:27

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a portable extensional rheometer for measuring the viscoelasticity of pitcher plant and other sticky liquids in the field

a portable extensional rheometer for measuring the viscoelasticity of pitcher plant and other sticky liquids in the field

... coefficients quantifying the fit ofEquations (1), (2) and (3) to filament thinning profiles (plots of D/D0or ln(D/D0) against t) are given in Table 1 The plots in Figure 6, of ln(D/D ) against time, suggested ... Drosophyllum and Pinguicula Trang 4Extensional rheometryExtensional rheology is the study of the deformation of material under conditions of pure strain; in this paper the exact form of the strain is the ... simply speaking the time needed for the poly-mer molecules to adjust to a change in strain A review of filament stretching rheometers can be found in Galindo-Rosales et al [17] A sample of liquid

Ngày tải lên: 01/11/2022, 08:34

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impact of two ionic liquids 1 ethyl 3 methylimidazolium acetate and 1 ethyl 3 methylimidazolium methylphosphonate on saccharomyces cerevisiae metabolic physiologic and morphological investigations

impact of two ionic liquids 1 ethyl 3 methylimidazolium acetate and 1 ethyl 3 methylimidazolium methylphosphonate on saccharomyces cerevisiae metabolic physiologic and morphological investigations

... understanding the origin of IL toxicity on cells is gaining interest In this work, the impact of two hydrophilic imidazolium-based ILs was investigated on S cerevisiae grown in a cul-ture medium containing ... IL OTR and CTR profiles ofS cerevisiae culture in the presence of [Emim][OAc] IL For S cerevisiae in YMD medium without IL, the OTR increased exponentially at the beginning of the culture from ... components are linked to each other as a polysaccharide-mannoprotein complex, composed of chains of β-1,3-linked glucose residues branched by β-1,6 linkages, forming a fibrillar glucan serving as a

Ngày tải lên: 02/11/2022, 11:41

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Analysis of mobile ionic impurities in polyvinylalcohol thin films by thermal discharge current and dielectric impedance spectroscopy

Analysis of mobile ionic impurities in polyvinylalcohol thin films by thermal discharge current and dielectric impedance spectroscopy

... evidence of mobile ionic carriers Results from TDC measurements indicate the existence of an intrinsic, build-in electric field of pristine PVA films The field is caused by asymmetric ionic double ... mentioned, the change of dielectric properties upon heating must be attributed to an increase of crystallinity and to the degassing of small volatile compounds The degassing of water vapor is presumably ... dielectric in the research field of organic electronics.3–6 Much of this attraction is due to easy processing in combination with desirable dielectric characteristics: Very good insulating properties

Ngày tải lên: 19/11/2022, 11:47

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lifetime of ionic vacancy created in redox electrode reaction measured by cyclotron mhd electrode

lifetime of ionic vacancy created in redox electrode reaction measured by cyclotron mhd electrode

... to nanobubbles Consequently, in the case of γ = 0, i.e., in the absence of fluid flow, ionic vacancies exist without collision, whereas in the case of γ = 1, i.e., in the perfect lam-inar flow, ... from the collision of ionic vacancies is 6.5 ms. Hydrated electron is a key reactive intermediate in the chemistry of water, including the biological effects of radi-ation In water, a cavity ... value of the order of 0.01 The cell constant is, as shown in Eq 5, defined as the conversion efficiency of the work of Lorentz force to the kinetic energy of MHD flow, i.e., Trang 8γ ≡[Kinetic

Ngày tải lên: 04/12/2022, 15:08

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APPLICATIONS OF IONIC LIQUIDS IN SCIENCE AND TECHNOLOGY ppt

APPLICATIONS OF IONIC LIQUIDS IN SCIENCE AND TECHNOLOGY ppt

... second in a two volume set on ionic liquids, focuses on applications of ionic liquids in a growing range of areas Throughout the 1990s, it seemed that the most attention in the area of ionic liquids ... unusual components of polymers (Vidinha, Lourenco, Nunes, Duarte, and Barreiros) Similarly, ionic liquids are finding increasing use in the popular area of nanomaterials Much of this effort is ... as microwaves and Applications of Ionic Liquids in Science and Technology Fig (a) Most common cations of ILs (b) Choline cations of ILs obtained by mixing of choline chloride based IL with the...

Ngày tải lên: 29/06/2014, 09:20

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Synthesis of ionic liquids and their applications in capillary electrophoresis

Synthesis of ionic liquids and their applications in capillary electrophoresis

... resolution One of the main advantages of CZE over conventional chromatography is that it minimizes or eliminates most sources of band broadening that occur in the later; indeed, broadening is 6-10 ... Separation of K+ and NH4+ in human urine ……………………….…………95 Fig 4-1 Schematic representation of the IL coating procedure …………………101 Fig 4-2 Influence of alkylation time and buffer pH on the EOF of CT110 ... (MS), indicating their different combining modes in organic solvents which would partially relate to their behavior in CE A capillary electrophoresis (CE) method for determining the main impurity...

Ngày tải lên: 17/09/2015, 17:19

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IONIC LIQUIDS IN BIOTRANSFORMATIONS AND ORGANOCATALYSIS pptx

IONIC LIQUIDS IN BIOTRANSFORMATIONS AND ORGANOCATALYSIS pptx

... Ionic Nature of Ionic Liquids 2.2.2 Protic and Aprotic Ionic Liquids 2.2.3 Water Present in the Ionic Liquids 2.2.4 Interactions of Water and Ionic Liquids with Proteins 2.2.4.1 Effect of Water and ... in Aqueous Solution 2.3.2.2 Kinetic Studies of Enzymes in Ionic Liquid-Containing Aqueous Solution 2.3.2.3 Enzyme Performance in Ionic Liquid-Dominating Reaction Systems 2.4 Impact of Ionic Liquids ... researchers in the eld, both in academia and industry Since the beginning of my work as editor, I have made it clear in my mind that I not want a book just covering uses of ionic liquids as solvents,...

Ngày tải lên: 22/03/2014, 09:20

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ELECTROCHEMICAL ASPECTS OF IONIC LIQUIDS ppt

ELECTROCHEMICAL ASPECTS OF IONIC LIQUIDS ppt

... used in some ionic liquids 3.4.1 Chloroaluminate Systems In case of chloroaluminate ionic liquids, the potential of an aluminum electrode immersed in the acidic ionic liquids that contain AlCl3 ... is always the possibility of finding or developing new and better ionic liquids There should be a kind of hesitation in deciding on the industrial use of current ionic liquids, because no one can ... possible uses of ionic liquids in electrochemistry and allied research areas 1.3 POTENTIAL OF IONIC LIQUIDS At present, most interest in ionic liquids is centered on the design of new solvents...

Ngày tải lên: 22/03/2014, 09:20

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