• Nenhum resultado encontrado

Binary mixtures

Development of gas sensors for binary mixtures and solvent-free sample preparation techniques based on polymeric membranes

Development of gas sensors for binary mixtures and solvent-free sample preparation techniques based on polymeric membranes

... This paper describes the use of this sensor for a hydrogen/methane binary gas mixture. Preliminary results are also provided for a hydrogen/nitrogen gas mixture. The membranes used are poly(etherimide) (PEI), ...

218

DENSITY, VISCOSITY AND EXCESS PROPERTIES OF BINARY MIXTURES OF PROTIC IONIC LIQUID (2-HDEAF, 2-HDEAA) + WATER AT DIFFERENT TEMPERATURES

DENSITY, VISCOSITY AND EXCESS PROPERTIES OF BINARY MIXTURES OF PROTIC IONIC LIQUID (2-HDEAF, 2-HDEAA) + WATER AT DIFFERENT TEMPERATURES

... Thermodynamic and transport properties are very important experimental data for design and from a theoretical point of view. The addition of a solvent in a liquid mixture can dramatically increase or decrease the density ...

12

PRODUCTION AND CHARACTERIZATION OF BIODIESEL PRODUCED FROM UNITARY OILS AND BINARY MIXTURES

PRODUCTION AND CHARACTERIZATION OF BIODIESEL PRODUCED FROM UNITARY OILS AND BINARY MIXTURES

... In this work the production and characterization of biodiesel from unitary oils and binary mixtures was performed. The samples were characterized according to ANP Resolutions and nuclear magnetic resonance ...

18

Exotic Bose-Einstein condensates: binary mixtures and dipolar gases

Exotic Bose-Einstein condensates: binary mixtures and dipolar gases

... Now with the available dipolar BECs of a different species of atoms, there is the possibility to investigate a binary mixture with two dipolar BECs of two types of dipolar interactions a[r] ...

132

Biosorption of binary mixtures of heavy metals by green macro alga, Caulerpa lentillifera

Biosorption of binary mixtures of heavy metals by green macro alga, Caulerpa lentillifera

... The removal efficiency of a single and bi- nary component of heavy metals was investigated. The experiment was performed by adding 0.5 g dried algae to 30 ml of the metal solutions. Initial concentrations of each heavy ...

9

Triterpenes from the resin of Protium heptaphyllum March (Burseraceae): characterization in binary mixtures.

Triterpenes from the resin of Protium heptaphyllum March (Burseraceae): characterization in binary mixtures.

... Esses dados, assim como a presença das absorções no espectro de infravermelho correspondentes a grupos carboxílicos (1702 cm –1 ),e os si- nais em δ 181,1 e 181,4 presentes no espectr[r] ...

4

Photophysical properties of coumarin compounds in neat and binary solvent mixtures: evaluation and correlation between solvatochromism and solvent polarity parameters

Photophysical properties of coumarin compounds in neat and binary solvent mixtures: evaluation and correlation between solvatochromism and solvent polarity parameters

... of binary mixtures, the value of ∆f(ε,n) could be calculated from experimental values using equation ...their mixtures (dielectric constant (ε) and refractive index (n)), the wavelengths of the ...

9

J. Braz. Chem. Soc.  vol.20 número5

J. Braz. Chem. Soc. vol.20 número5

... This paper presents the first study dealing with the determination of pK a values of TCs by potentiometry and LC methods in MeCN-water binary mixtures and gives a possibility for deeper analysis of the ...

8

Braz. J. Chem. Eng.  vol.21 número4

Braz. J. Chem. Eng. vol.21 número4

... of binary mixtures of carbon dioxide+alkanol (1-butanol, 2-butanol, 1-pentanol, or 2-pentanol) at high pressures was modeled using the Stryjek-Vera version of the Peng-Robinson equation of ...

8

Thermodynamics of Molecular Recognitions between Antineoplastic Drug Taxol and Phosphatidylcholine

Thermodynamics of Molecular Recognitions between Antineoplastic Drug Taxol and Phosphatidylcholine

... KBr/sample mixtures did not foster the aggregation and remained conformationally unaltered by this ...the binary mixtures (data not shown for brevity), only 1:1 mixture has been presented here, ...

8

J. Braz. Chem. Soc.  vol.28 número7

J. Braz. Chem. Soc. vol.28 número7

... binary mixtures in acetone (ca. 20 mL), then ca. 10 mg of drug was added into each polymer solution, and stirred for at least 30 min. The solutions were rota-evaporated to remove acetone, forming a film of ...

6

Tortuosity variation in a low density binary particulate bed

Tortuosity variation in a low density binary particulate bed

... For binary mixtures, Klus´acek and Schneider [28] admitted that n is not a ...particles mixtures the best fit of T versus ε was obtained for n = ...

5

Behavioural and physiological responses of Gammarus pulex exposed to cadmium and arsenate at three temperatures: individual and combined effects.

Behavioural and physiological responses of Gammarus pulex exposed to cadmium and arsenate at three temperatures: individual and combined effects.

... different binary mixtures increased with the rise in temperature but also along the gradient of AsV and Cd concentrations in mixtures ...the binary mixtures, the predicted mean ...

17

Braz. J. Chem. Eng.  vol.24 número4

Braz. J. Chem. Eng. vol.24 número4

... of binary mixtures on heterogeneous solids using Monte Carlo simulations in the framework of the lattice gas ...of binary and ternary mixtures on homogeneous and heterogeneous ...the ...

14

Reversible adsorption and nonreversible insertion of Escherichia coli alpha-hemolysin into lipid bilayers

Reversible adsorption and nonreversible insertion of Escherichia coli alpha-hemolysin into lipid bilayers

... Studies of a-hemolysin insertion into bilayers formed from a variety of single phospholipids, or binary mixtures of phospho- lipids, or of phospholipid and cholesterol, reveal that irrev[r] ...

8

Braz. J. Chem. Eng.  vol.33 número1

Braz. J. Chem. Eng. vol.33 número1

... their mixtures by activated sludge (Bajaj et ...the binary mix- tures PH+CA, PH+RE, PH+HY by phenol-accli- mated activated ...of binary mixtures of PH with CA, RE and HY by phe- nol-acclimated ...

13

Minimum and Complete Fluidization Velocity for Sand-Palm Shell Mixtures, Part II: Characteristic Velocity Profiles, Critical Loading and Binary Correlations

Minimum and Complete Fluidization Velocity for Sand-Palm Shell Mixtures, Part II: Characteristic Velocity Profiles, Critical Loading and Binary Correlations

... generally are able to describe the qualitative variation in the sand-palm shell binary mixtures, i.e., the correlations are able to show the increasing or decreasing trends with respect to different ...

7

Bilayer polarity and its thermal dependency in the e(o) and e(d) phases of binary phosphatidylcholine/cholesterol mixtures

Bilayer polarity and its thermal dependency in the e(o) and e(d) phases of binary phosphatidylcholine/cholesterol mixtures

... [14]. Binary mixtures of cholesterol and phospholipids in bilayers are nonideal, displaying single or phase coexistence, depending on chemical composition and on other thermodynamic parameters, ...

9

A Simple Static Headspace Method for Phase Equilibrium Measurement

A Simple Static Headspace Method for Phase Equilibrium Measurement

... These binary mixtures represent several important functional groups covering a wide range of solubility and volatility characteristics typical in that found in industrial hazardous ...

6

Polímeros  vol.25 número5

Polímeros vol.25 número5

... the mixtures are referred to as PF 30, PF 50 and PF ...the binary mixtures PF 30, PF 50 and PF 70 (1%, w/v) were prepared by dissolving the copolymers in Milli- Q  , allowed to stir for at least ...

7

Show all 582 documents...

temas relacionados