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PHYSICOCHEMICAL STUDIES OF ALKALI LIGNINS: III. SIZE AND SHAPE OF THE MACROMOLECULE
Light-scattering measurements were made on the alkali lignin fractions described in a previous paper. The range of molecular weights found was from 50,000 to 48 × 106. The usual logarithmic graph ofExpand
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Magnetohydrodynamic flow between two rotating coaxial cylinders under radial magnetic field
An exact solution for the magnetohydrodynamic flow between two rotating coaxial (insulator) cylinders under a radial magnetic field has been obtained and the results are discussed graphically.
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Effects of diflubenzuron and penfluron on workers of Apis cerana indica F and Apis mellifera L
Des ouvrieres naissantes (N = 25-30) d'Apis mellifera et d'Apis cerana indica ont ete traitees individuellement par voie topique avec 100 μg de diflubenzuron (DF) ou de penfluron (PF) dilues dans 25Expand
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IN VITRO STUDIES ON THE TUBERCULOSTATIC ACTIVITY OF CYANO‐ALIPHATIC ACID HYDRAZIDES AND RELATED COMPOUNDS. PART I
FOLLOWING the announcement of high antituberculosis action of isonicotinyl hydrazide, various aliphatic, aromatic and heterocyclic carboxylic acid hydrazides, their derivatives and related compoundsExpand
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Toxicity of diflubenzuron and penfluron to immature stages of Apis cerana indica F and Apis mellifera L
Toxicite du diflubenzuron et du penfluron vis-a-vis des stades immatures d'Apis cerana indica F et d'Apis mellifera L. Des larves de 3 e et 4 e stades de l'abeille indienne Apis cerana indica (A c,Expand
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Sexual generation and overwintering of the peach leaf curling aphid Brachycaudus helichrysi (Kalt.) in Himachal Pradesh, India.
Summary Autumn migrants preferred to settle on the dorsal leaf surface of peach with gynoparae being more numerous than alate males. These return migrants on peach were similar to those describedExpand
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