نتایج جستجو برای: رویکرد sfe

تعداد نتایج: 45638  

2003
R. M. Smith

Coupled SFE}SFC has shown itself to be a very useful technique for those samples for which it is applicable. The ability to transfer all the extract to the analytical column without manipulation increases sensitivity, reduces contamination and sample handling. The overloading of capillary columns is avoided. Now that methods for using modiRers in the extraction solvent and SFE sample injection ...

2005
Matt Lepinski

In their paper, “Rational Secure Computation and Ideal Mechanism Design,” Izmalkov, Lepinski and Micali show that any one-shot mediated game can be simulated by the players themselves, without the help of a trusted mediator, using physical envelopes and a ballot-box. We show that communication between the players is not essential to the ILM protocol. That is, we provide a protocol for rational ...

Journal: :iranian journal of materials forming 2015
a. khosravifard m. m. moshksar r. ebrahimi

the dynamic behavior of three high manganese steels with very different stacking faultenergy (sfe) values (4-30 mj/m2) were studied using high strain rate torsional tests. the hotrolledmicrostructure of the steel with the lowest sfe of 4 mj/m2 consisted of a duplex mixture ofaustenite and ε-martensite, but those of the other two steels were fully austenitic. the deformedmicrostructures were stu...

2010
H. G. Jung D. R. Mertens R. L. Phillips R. Berthiaume

Ferulate-mediated lignin/hemicellulose cross linking in grasses reduces in vitro NDF digestibility (IVNDFD). Impact of ferulate cross linking on animal performance was examined in lamb digestibility and dairy cow performance trials using the seedling ferulate ester (sfe) corn mutant that reduces cross linking and improves IVNDFD. Digestibility of control (W23) and 2 near-isogenic sfe (M04–4 and...

2014
Ben de Witt

This paper investigates a slug-flow expander (SFE) for conversion of high-pressure gas/vapor into kinetic energy of liquid slugs. The energy transfer from high-pressure to kinetic energy is quantified using thrust plate measurements. Non-dimensional thrust data is used to quantify performance by normalizing measured thrust by thrust for the same water flow rate at zero air flow rate. A total of...

Journal: :Molecules 2017
Kooi-Yeong Khaw Marie-Odile Parat Paul Nicholas Shaw James Robert Falconer

Supercritical fluid technologies offer a propitious method for drug discovery from natural sources. Such methods require relatively short processing times, produce extracts with little or no organic co-solvent, and are able to extract bioactive molecules whilst minimising degradation. Supercritical fluid extraction (SFE) provides a range of benefits, as well as offering routes to overcome some ...

Journal: :Journal of lipid research 2013
Adam Jozwiak Robert Brzozowski Zygmunt Bujnowski Tadeusz Chojnacki Ewa Swiezewska

In this study, a method of supercritical fluid extraction (SFE) with carbon dioxide of polyisoprenoids from plant photosynthetic tissues is described. SFE was an effective extraction method for short- and medium-chain compounds with even higher yield than that observed for the "classical extraction" method with organic solvents. Moreover, SFE-derived extracts contained lower amounts of impuriti...

1998
VLADIMIR N. SOBOLEV CATHERINE A. MCCAMMON LAWRENCE A. TAYLOR GREGORY A. SNYDER NIKOLAI V. SOBOLEV

For estimations of P-T conditions of igneous and metamorphic rocks, Fe31 in coexisting minerals is either assumed to be zero or is calculated from electron microprobe analyses (EMPA) based upon stoichiometry and charge balance. Geothermobarometers that involve Fe21-Mg21 exchange can be significantly affected by either neglecting Fe31 or using incorrect values. Ratios of Fe31/SFe in garnet and c...

Journal: :Biological & pharmaceutical bulletin 2009
Yoichi Ishitsuka Hiroshi Moriuchi Changqing Yang Saeid Golbidi Mitsuru Irikura Tetsumi Irie

To determine whether or not a "bolus injection" of soybean-based fat emulsion (SFE), which contains oleic acid (OA), a potent lung-toxic unsaturated C-18 fatty acid, can induce pulmonary dysfunction, we examined the effect of SFE injection on the partial oxygen pressure of arterial blood (Pao2) and pulmonary vascular permeability. In addition, we compared the effect of an injection of SFE with ...

2015
K. R. Limmer J. E. Medvedeva D. C. Van Aken N. I. Medvedeva

The effect of 3d and 4d transition metal (TM) additions on the intrinsic stacking fault energy (SFE) in fcc Fe is studied to elucidate the role of alloying in the deformation mechanisms in austenitic steels. The results of ab initio calculations reveal that only Mn reduces the SFE, stabilizing the local hcp structure, whereas all other d-additions are expected to decrease the hcp? fcc transform...

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