Intercomparison of different state-of-the-art formulations of the mass density of humid air

AbstractThe differences between one classical and three state-of-the-art formulations of the mass density of humid air were quantified. Here, we present both the calculi for direct determination of the humid-air mass density employing the virial form of the thermodynamic equation of state, and a sufficiently accurate look-up-table for the quick-look determination of the humid-air mass density, which is based on the advanced Thermodynamic Equation of Seawater 2010.

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Experimental Determination of Coefficients for the Renner Model of the Thermodynamic Equation of State of the Poly(butylene succinate) and Wheat Bran Biocomposites

Materials ◽

10.3390/ma14185293 ◽

2021 ◽

Vol 14 (18) ◽

pp. 5293

Author(s):

Emil Sasimowski ◽

Łukasz Majewski ◽

Tomasz Jachowicz ◽

Michał Sąsiadek

Keyword(s):

Equation Of State ◽

Wheat Bran ◽

Technological Parameters ◽

Butylene Succinate ◽

Thermodynamic Equation ◽

Molded Parts ◽

Injection Molded ◽

Pellet Form ◽

Ground Wheat

This paper presents the assumptions of a thermodynamic equation of state for polymers according to the Renner model. The experiments involved extruding a biocomposite based on poly(butylene succinate) that was filled with ground wheat bran with its size not exceeding 200 μm. The biocomposite was produced in pellet form with three different contents by weight of wheat bran, i.e., 10%, 30% and 50%. All specimens were examined for their thermodynamic p-v-T characteristics. Taking advantage of the SimFit module of Cadmould 3D-F, experimental results were used to determine the coefficients of thermodynamic equation of state for the tested biocomposite according to the Renner model. The coefficients were then used to calculate transition temperature and to create diagrams illustrating the relationship between pressure, temperature and specific volume for the tested biocomposite. The obtained results can serve as a basis for assessing the suitability of the biocomposite for injection molding, selecting technological parameters of this process, as well as for analyzing shrinkage and defects of injection-molded parts.

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The Direct Determination of I131 in Heterogeneous Fecal Specimens

Gastroenterology ◽

10.1016/s0016-5085(19)35116-9 ◽

1961 ◽

Vol 41 (4) ◽

pp. 380-384 ◽

Cited By ~ 4

Author(s):

Arthur F. Dratz ◽

James C. Coberly

Keyword(s):

Direct Determination

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Direct Determination of Glyphosate in Environmental Waters Using Capillary Electrophoresis with Electrospray Condensation Nucleation Light Scattering Detection

International Journal of Environmental & Analytical Chemistry ◽

10.1080/03067310304719 ◽

2003 ◽

Vol 83 (9) ◽

pp. 797-806 ◽

Cited By ~ 1

Author(s):

Jing You ◽

Mihkel Kaljurand ◽

John A. Koropchak

Keyword(s):

Capillary Electrophoresis ◽

Light Scattering ◽

Direct Determination ◽

Environmental Waters ◽

Light Scattering Detection ◽

Condensation Nucleation

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DIRECT DETERMINATION OF DENSITY AND LOCATION OF WATER ASSOCIATED WITH TRANSFER RNA AND OF THE CONFORMATION OF THE MACROMOLECULE AS A FUNCTION OF SALT IN THE SOLUTION

Le Journal de Physique Colloques ◽

10.1051/jphyscol:1984731 ◽

1984 ◽

Vol 45 (C7) ◽

pp. C7-265-C7-265

Author(s):

G. Zaccai

Keyword(s):

Direct Determination ◽

Transfer Rna

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A New Method for Direct Determination of the Recoilless Fraction with Application to Magnetic Nanoparticles

MRS Proceedings ◽

10.1557/proc-721-e3.7 ◽

2002 ◽

Vol 721 ◽

Author(s):

Monica Sorescu

Keyword(s):

Room Temperature ◽

Average Particle Size ◽

Direct Determination ◽

Average Particle ◽

Lattice Method ◽

Recoilless Fraction ◽

Single Room ◽

Magnetite Particles ◽

Physical Mixtures

AbstractWe propose a two-lattice method for direct determination of the recoilless fraction using a single room-temperature transmission Mössbauer measurement. The method is first demonstrated for the case of iron and metallic glass two-foil system and is next generalized for the case of physical mixtures of two powders. We further apply this method to determine the recoilless fraction of hematite and magnetite particles. Finally, we provide direct measurement of the recoilless fraction in nanohematite and nanomagnetite with an average particle size of 19 nm.

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