منابع مشابه
Heavy hydrogen in the stratosphere
We report measurements of the deuterium content of molecular hydrogen (H2) obtained from a suite of air samples that were collected during a stratospheric balloon flight between 12 and 33 km at 40 N in October 2002. Strong deuterium enrichments of up to 400‰ versus Vienna Standard Mean Ocean Water (VSMOW) are observed, while the H2 mixing ratio remains virtually constant. Thus, as hydrogen is p...
متن کاملResearch on Heavy Hydrogen at Princeton.
Research on Heavy Hydrogen at Princeton: DR. Scientific Apparatus and Laboratory Methods: HUGH S. TAYLOR . . .......... .........303 A RBle for the Interpretation of Melting Point Diagrams: PROFESSOR ROY F. NEWTON. An InA Monumental Reference Work on Geography: PROexpensive Efficient Relay: PETER T. BLACK .................. 321 pESSOR DOUGLAS JOHNSON ... .. 305 Special Articles: Scientific Even...
متن کاملDesignation of Army Medical Officers
Sin,?I was glad to sec a letter in your June number on the " Designation of Army Medical Officers," and I quite agree with i 's remarks on the subject. At present all Medical Officers in the Army are familiarly called " Doctors" (whatever their rank may be) ; but where the order of precedence is so studiously carried out as it is in India, the relative Military rank of Medical Officers ought to...
متن کاملRigid Designation and Semantic Structure
Forthcoming in " Philosophers' Imprint " Comments to: [email protected] 1. the issue 'Rigid designation' is Kripke's name for a concept that has been in the air at least since the development of quantified modal logics: (a token of 1) a designator is rigid if and only if it designates the same individual in every possible world in which the individual exists. Two seminal conclusions for which Krip...
متن کاملCharacterization of protected designation of origin Italian meat products obtained from heavy pigs fed barley-based diets.
A study was conducted to evaluate the quality and sensory properties of protected designation of origin (PDO) Parma ham and Piacentina neck obtained from heavy pigs (Italian Duroc × Italian Large White) fed barley-based diets. Four diets were tested: 1) a corn-based diet (control), 2) the control diet with 80% of a normal-amylose hulled barley variety (Cometa), 3) the control diet with 80% of a...
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ژورنال
عنوان ژورنال: Nature
سال: 1934
ISSN: 0028-0836,1476-4687
DOI: 10.1038/133173b0