نتایج جستجو برای: lewis number

تعداد نتایج: 1183432  

Journal: :Chemical Communications 2021

A fluorescent, strongly Lewis-acidic borenium cation (Gutmann–Beckett acceptor number >100) was created using a tridentate formazanate ligand. This shows potential utility as colourimetric reactivity probe.

Journal: :journal of heat and mass transfer research 0
a.k. abdul hakeem assistant professor department of mathematics sri ramakrishna mission vidyalaya college of arts and science, coimbatore, tamil nadu b. ganga department of mathematics,providence college for women, coonoor - 643 104, india s. mohamed yusuff ansari department of mathematics, jamal mohamed college, trichy - 6420 020, india n.vishnu ganesh of mathematics, sri ramakrishna mission vidyalaya college of arts & science, coimbatore - 641 020, india.

mhd boundary layer flow of two phase model nanofluid over a vertical plate is investigated both analytically and numerically. a system of governing nonlinear partial differential equations is converted into a set of nonlinear ordinary differential equations by suitable similarity transformations and then solved analytically using homotopy analysis method and numerically by the fourth order rung...

Journal: :Clinical cancer research : an official journal of the American Association for Cancer Research 1997
H Satoh H Ishikawa H Kamma Y T Yamashita H Takahashi M Ohtsuka S Hasegawa

To evaluate the correlation between serum levels of sialyl Lewis X-i antigen and distant metastasis and survival in patients with non-small cell lung cancer (NSCLC), we measured the serum levels of the tumor marker in 371 patients with untreated NSCLC. The sialyl Lewis X-i antigen level was measured using a RIA kit. In patients with adenocarcinoma or other NSCLC subtypes, there was a correlatio...

Journal: :The Mississippi Valley Historical Review 1934

2011
David Lewis Louis deRosset

David Lewis is one of the most influential philosophers of our age, and On the Plurality of Worlds is his magnum opus. OPW offers an extended development and defense of the hypothesis that there are many universes, things of the same kind as the universe in which we all live, move, and have our being. Lewis calls these universes ―worlds‖, deliberately recalling the notion of a ―possible world‖ ...

2016
Marianna Girlando Björn Lellmann Nicola Olivetti Gian Luca Pozzato

We present new sequent calculi for Lewis’ logics of counterfactuals. The calculi are based on Lewis’ connective of comparative plausibility and modularly capture almost all logics of Lewis’ family. Our calculi are standard, in the sense that each connective is handled by a finite number of rules with a fixed and finite number of premises; internal, meaning that a sequent denotes a formula in th...

Mohammad Reza Shahnazari Sayed Mojtaba Muasavi,

In present paper, a numerical analysis for a rectangular cavity filled with a anisotropic porous media has been studied. It is assumed that the horizontal walls are adiabatic and impermeable, while the side walls of the cavity are maintained at constant temperatures and concentrations. The buoyancy force that induced the fluid motion are assumed to be cooperative. In the two extreme cases o...

2008
S. Michael Stewart Susannah L. Scott Baron G. Peters

Introduction We employ a combined computational-experimental approach to probe the Lewis acidity of silica-alumina, and extend this study to the effect of Lewis acidity on the activation and activity of a supported methyltrioxorhenium (MTO) metathesis catalyst. Despite the widespread use of amorphous silica-alumina as a catalyst and a catalyst support, the structures of its Lewis acid sites rem...

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