نتایج جستجو برای: weakly h

تعداد نتایج: 570737  

Journal: :bulletin of the iranian mathematical society 2011
s. sedghi n. shobe

2016
A. P. Hackett R. E. Trinick K. Rose B. F. Flanagan P. S. McNamara

BACKGROUND Aspiration lung disease (ALD) is a common cause of respiratory morbidity in children and adults with severe neurodisability (sND). Recent studies suggest that chronic microaspiration of gastric contents is associated with mild rather than low, airway acidification. We investigated inflammatory responses to infection by airway epithelial cells (AECs) exposed to weakly acidic media. ...

2013
Li Wan Navid Dastbaravardeh Gang Li Jin-Quan Yu

meta-C-H arylation and methylation of 3-phenylpropanoic acid and phenolic derivatives were developed using an easily removable nitrile template. The combination of a weakly coordinating U-shaped template and mono-protected amino acid ligand was crucial for the cross-coupling of C-H bonds with organoborons.

Journal: :The Journal of Experimental Medicine 1970
Thomas J. Kindt Charles W. Todd Klaus Eichmann Richard M. Krause

Rabbit antibodies to streptococcal polysaccharide are described which show selectivity of expression of the allotypic specificities on both the heavy (H) and light (L) chains. One of these antibodies binds weakly to Sephadex. A purification method based on this binding has yielded antibody completely lacking any group a allotypic marker on its H chains.

2008
Rafael Tamazyan Armen Ayvazyan Vahan Martirosyan Kristine Avagyan Ashot Martirosyan

In the title compound, C(21)H(20)N(4)O(2), a potential anti-human immunodeficiency virus type 1 (HIV-1) non-nucleoside reverse transcriptase inhibitor, the pyrrolidine ring adopts an envelope conformation, while the hydrogenated pyrimidine ring adopts a weakly expressed twist conformation. The mol-ecules are connected into infinite chains via N-H⋯O hydrogen bonds.

2011
Jeffrey Kuan

The O’Nan-Scott theorem weakly classifies the maximal subgroups of the symmetric group S, providing some information about the lattice Λ of subgroups of S. We wish to obtain more information about Λ. We proceed by determining the intersection H of suitable pairs of maximal subgroups of S and the sublattice of overgroups of H in S.

2011
David B. Cordes Guoxiong Hua Alexandra M. Z. Slawin J. Derek Woollins

The indole N-H hydrogen in the title compound, C(15)H(12)FN, does not display classical hydrogen bonding. Rather it forms an interaction with the π system of an adjacent indole, resulting in weakly inter-acting chains along the [001] direction.

Journal: :Angewandte Chemie 2015
Dajian Zhu Guoqiang Yang Jian He Ling Chu Gang Chen Wei Gong Ke Chen Martin D Eastgate Jin-Quan Yu

2,4,6-Trimethoxypyridine is identified as an efficient ligand for promoting a Pd-catalyzed ortho-C-H amination of both benzamides and triflyl-protected benzylamines. This finding provides guidance for the development of ligands that can improve or enable Pd(II)-catalyzed Csp2-H activation reactions directed by weakly coordinating functional groups.

Journal: :Transactions of the American Mathematical Society 1972

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