نتایج جستجو برای: special optical rotatory

تعداد نتایج: 522294  

1992
Shaolin Li Marwan Jabri Kelvin Wagner Max van Daalen John Wawrzynek

Cli ord Lau [email protected] Jim Burr [email protected] Pat Shoemaker [email protected] Alice Chiang [email protected] Tony Montalvo [email protected] Shaolin Li [email protected] Nathan Zeldes [email protected] Torsten Lehmann torsten@ei el.ei.dth.dk Michael Chuang [email protected] Hans Peter Graf [email protected] Andreas Andreou [email protected]...

Journal: :The Journal of biological chemistry 1967
J Peisach W G Levine W E Blumberg

Stellacyanin, or Rhus vernicijera blue protein, was purified from lac acetone powders. It is 20% carbohydrate and 20% hexosamine with the remainder being a polypeptide matrix of 108 amino acid residues in which is embedded a single cupric atom. The molecule contains no methionine or valine. Optical rotatory dispersion and optical and electron paramagnetic resonance (EPR) spectral studies show t...

Journal: :The Journal of biological chemistry 1970
H B Brewer H Edelhoch

The structure of porcine thyrocalcitonin has been evaluated by circular dichroism, optical rotatory dispersion, infrared spectroscopy, and fluorescence. The degree of helical structure was estimated by circular dichroism (222 mp) and optical rotatory dispersion (233 mp) at the n + r* transition of the Q: helix. The optical activity at this transition suggests that thyrocalcitonin contains appro...

2000
Robert Otto Bauer

We develop a new method to obtain stochastic characterizations of Yang–Mills elds. Our main tool is the Itô-equation for the stochastic parallel transport. We estimate the drift terms in a small ball of radius and nd that for a general connection the average rotation is of order 3 but that for a Yang–Mills connections the average rotation is of order . Using a Doob h-transform we give a new pro...

2010
Craig A. Cunningham

Th e fi ft y years since the 100th anniversary of John Dewey’s birth have marked the emergence of new technologies that aff ord a wealth of previously unknown approaches to learning, making it not only possible but practicable for Dewey’s educational vision of participatory learning to be realized on a mass scale. Th is chapter discusses these possibilities and their implications for learning i...

2011
Rolf Schenker Martin Straub

It is generally accepted that regional labor markets are characterized by strong interdependencies. However, only few studies include spatial elements to their estimations. Using the model framework proposed by Cliff and Ord (1973, 1981) and the estimation technique proposed by Kelejian and Prucha (1998), we estimate a spatial time series model for the Swiss cantonal unemployment rates on a qua...

Journal: :The Journal of biological chemistry 1965
H A PETERSEN J F FOSTER

In the first paper of this series (1) a model for microheterogeneity of plasma albumins was presented together with some critical evidence in support of its adoption. According to this model plasma albumin consists of a very large number of similar molecular species. The N-F transition of the protein as observed by electrophoresis, solubility, optical rotatory dispersion, and other methods is a...

1981
Eric Grinstead

Lexicostatlstical vork usually treats script letters as the basic unit. This Is not suitable for Chinese, »here the basic unit contains a meanln«;, a pronunciation, and a form. The "»ord* ve study Is actually of two signs, so ve must study two-element words. I have tried to find properties that are Independent of form, meaning, and pronunciation, but incline to consider the meaning important wh...

2004
R. L. Graham

Introduction . A set A of nonnegative integers is said to be an (asymptotic) basis of order r if every s ufficiently large integer can be expressed . a s a sum of at most r integers taken from A (where repetition is allowed) and r is the least integer with this property . In this case we write ord (A) = r . A basis A is said to have exact order s if every sufficiently large integer is the sum o...

2005
F. GUILLÉN

We prove that for a topological operad P the operad of oriented cubical chains, C ∗ (P ), and the operad of singular chains, S∗(P ), are weakly equivalent. As a consequence, C ord ∗ (P ;Q) is formal if and only if S∗(P ;Q) is formal, thus linking together some formality results that are spread out in the literature. The proof is based on an acyclic models theorem for monoidal functors. We give ...

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