منابع مشابه
Ultra-violet absorption cross sections
Ultra-violet absorption cross sections of isotopically substituted nitrous oxide species: NNO, NNO, NNO and NNO P. von Hessberg, J. Kaiser , M. B. Enghoff, C. A. McLinden, S. L. Sorensen, T. Röckmann, and M. S. Johnson Department of Chemistry, University of Copenhagen, Copenhagen, Denmark Max-Planck Institute for Nuclear Physics, Atmospheric Physics Division, Heidelberg, Germany now at: Departm...
متن کاملThe Absorption of Ultra-violet Radiation by Crystalline Pepsin
Determination of the absorption spectra of pure preparations of Northrop's crystalline pepsin inactivated by irradiation with ultra-violet light shows that the total absorption in the ultra-violet region of the spectrum increases with the degree of inactivation. This increase is especially marked between 2400 and 2750 A.u. The rate of photoinactivation is shown to be sensitive to changes in pH,...
متن کاملUltra-violet Absorption Spectra of Certain Physiological Fluids
The study of the absorption curves in the ultra-violet region of the spectrum has been confined chiefly to the blood serum and its proteins. Lewis ~ has examined the ultra-violet absorption of blood serum and claims to have found in this way the existence of specific changes in the blood with certain diseases. This same author 2 has also published absorption curves of the three chief proteins o...
متن کاملDetermination of Insulin Concentration in Camel Milk Using Ultra Violet –Visible Absorption Spectroscopy
ABSTRACT: Camel milk contains sufficient levels of insulin and does not form the coagulum in the stomach preventing degradation of insulin and act as an effective vehicle to take the milk insulin unchanged to the intestine. In present study direct spectroscopy and standard addition method, well-known methods in analytical chemistry were used for determining insulin concentration in camel milk. ...
متن کاملUltra-violet Finite Noncommutative Theories
We establish the ultraviolet finiteness of various classes of noncommutative gauge theories.
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ژورنال
عنوان ژورنال: Nature
سال: 1961
ISSN: 0028-0836,1476-4687
DOI: 10.1038/192858b0