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Determination of Parathion - Nature
Nature· 3 days agoIN chemical determination of parathion (O,O-diethyl-O-p-nitrophenylphosphorothioate) and closely related compounds according to Averell and Norris1, the nitro-group is reduced by zinc and hydrochloric ...
Studies in Mendelism - Nature
Nature· 3 days agoIn the one pair are lateness (dominant) and earliness (recessive); in the other pair are acceleration (dominant, hypostatic to lateness) and retardation (recessive, hypostatic to earliness).
Height of Cirrus Cloud - Nature
Nature· 3 days agoCoupling this with the next statement—“I have only once or twice observed an actually motionless cirrus cloud, and it is on rare occasions that an hour is occupied in passing ...
Atmospheric Variations - Nature
Nature· 3 days agoProf. Bigelow has also been studying the question of prominence, facula and spot circulation, and in a recent number of the Monthly Weather Review (vol. xxxi. The method he adopted was somewhat ...
Coupling Azo Dye Methods for Histochemical Demonstration of Alkaline Phosphatase - Nature
Nature· 3 days agoTHE coupling azo dye methods of Menten, Junge and Green1, and of Manheimer and Seligman2, have generally been found insensitive and unsatisfactory for the demonstration of ...
Reaction of Aromatic Compounds with a Chlorinated Coal and Aluminium Chloride - Nature
Nature· 3 days agoVAN KREVELEN et al. 1 have reported on the coupling of pitch molecules by chloromethylation and subsequent condensation under the influence of a Friedel-Crafts catalyst, while ...
Design of Theodolite Axes - Nature
Nature· 3 days agoTHE ‘Wild precision theodolite’—a light-weight-type of primary triangulation instrument—is well known for the ingenuity and compactness of its design as well as for the superb workmanship exhibited ...
Pump action - Nature Reviews Microbiology
Nature· 3 days agoOne example of this transport machinery is the complex formed by an inner-membrane proton antiporter, an outer-membrane channel and a periplasmic protein that consolidates the assembly by < ...
Evoked Single Cortical Unit Activity in the Primary Cortical Receiving Areas - Nature
Nature· 3 days agoSince 1951, the technique has been used by us for isolating peripherally evoked single cortical unit activity in the primary somatosensory, auditory and visual receiving areas of the cat and ...
Aromatization of cycloHexane Carboxylate in Liver Slices - Nature
Nature· 3 days agoA FEW examples of the occurrence of aromatization of alicyclic compounds in the animal body are known, and similar reactions have been suggested in the formation of sex hormones and possibly ...
