نتایج جستجو برای: asymmetric water entry

تعداد نتایج: 682689  

2008
Sarah M. Barry Helge Mueller-Bunz Peter J. Rutledge

The crystal structure of the title compound, C(6)H(16)OSi·0.5H(2)O, reveals an asymmetric unit containing two mol-ecules of the silanol and a single water mol-ecule. There is evidence of hydrogen bonding between the three mol-ecules in the asymmetric unit. The H atoms of the silanol OH groups and the water H atoms are each disordered equally over two positions.

Journal: :Journal of Macroeconomics 2021

We provide new disaggregated data and stylized facts on firm dynamics of the U.S economy at establishment level by using a state-space method to transform Census yearly entry exit from 1977 2013 into quarterly frequency. select most significant determinants these variables matching with database Federal Reserve Bank. These are extrapolated an unobserved factor model whose loadings estimated via...

Journal: :The Journal of General Physiology 2001
Andrey V. Krylov Peter Pohl Mark L. Zeidel Warren G. Hill

To understand how plasma membranes may limit water flux, we have modeled the apical membrane of MDCK type 1 cells. Previous experiments demonstrated that liposomes designed to mimic the inner and outer leaflet of this membrane exhibited 18-fold lower water permeation for outer leaflet lipids than inner leaflet lipids (Hill, W.G., and M.L. Zeidel. 2000. J. Biol. Chem. 275:30176-30185), confirmin...

Journal: :Journal of the American Chemical Society 2006
Nobuyuki Mase Yusuke Nakai Naoko Ohara Hidemi Yoda Kunihiko Takabe Fujie Tanaka Carlos F Barbas

We have developed direct asymmetric cross-aldol reactions that can be performed in water without addition of organic solvents. A bifunctional catalyst with a long hydrophobic alkyl chain efficiently catalyzed the reactions and afforded the desired aldol products in excellent yield with high enantiomeric excess, even when only an equal molar ratio of the donor and acceptor was used. These result...

2006
Isabelle Brocas

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Effect of air cushion layer right before impact of a rigid body onto water surface has been investigated in this paper. The study is mainly focused on evaluation of cushioning pressure and the resulting free surface elevation. The air flow is assumed to be an irrotational flow which is governed by Laplace equation. The air problem and the resulting response of the water free surface are suppose...

2009
Stephen F. Hamilton

This papers examines the structural implications of demand shifts in free-entry oligopoly equilibria. The model generalizes the conjectural variations framework to consider asymmetric firm conjectures, allows for the possibility of cost differences across firms, and endogenizes conditions of entry and exit in the industry. In non-competitive environments, changes in incumbent output and industr...

Journal: :Journal of Fluid Mechanics 2021

The transient cavity dynamics during water entry of a heavy, non-rotating sphere impacting rotating pool liquid is studied experimentally, numerically, and theoretically. We show that the rotation advances transition type - from deep seal to surface marked by reduction in transitional Froude number. role dimensionless rotational number $\mathcal{S} \equiv \omega R_0/U_0$ on unveiled, where $R_0...

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