4,471 Result(s)

Article

The valence-state energy of the tetravalent carbon atom

Die Theorie von Valenzzuständen wird im Zusammenhang mit wahren oder «intrinsischen» (als verschieden von thermochemischen) Bindungsenergien diskutiert.

L. H. Long in Experientia (1951)

Article

The inheritance of colour in diploid potatoes

1. Two independent loci are shown to be concerned with the development of certain anthocyanin pigments throughou...

K. S. Dodds, D. H. Long in Journal of Genetics (1955)

Article

The inheritance oe colour in diploid potatoes II. A three-factor linkage group

o| li]1.|Three loci,B, I andF, concerned with the distribution of anthoeyanins in diploid cultivated potatoes, are identified. AllelesB ^d>B ^c>B ...

E. S. Dodds, D. H. Long in Journal of Genetics (1956)

Article

Historical review of ptelea trifoliata in botanical and medical literature1

Soon after discovery of Ptelea trifoliata in colonial America, this attractive aromatic shrub became popular in Old World botanical gardens. First medical indications as anthelmintic and vulnerary, by Schoepf ...

Virginia Long Bailey in Economic Botany (1960)

Article

On thein vitro bioassay for measuring melanophoretic activity

Les auteurs décrivent diverses modifications au test original deShizume et al. pour mesurer l'activité mélanophorétiquein vitro. Une analyse mathématique des résultats obtenus avec cet étalonnage en montre les ca...

J. M. Long, R. Guillemin in Experientia (1961)

Article

Biosystematics of two perennial species of Helianthus (Compositae), II. Natural populations and taxonomy

Robert W. Long in Brittonia (1961)

Article

Revision of the genus Ptelea (rutaceae)

Virginia Long Bailey in Brittonia (1962)

Chapter

Lipide, Lipopigmente, Leber

Experimental degeneration was produced in a number of rats. The technique has been described previously by Johnson, McNabb, and Rossiter. It seemed of interest to investigate histochemically the changes in the li...

Ilona De Sibrik, J. Casper, M. Wolman… in Zweiter Internationaler Kongreß für Histo-… (1964)

Article

Biosystematics of the helianthus nuttallii complex (Compositae)

Robert W. Long in Brittonia (1966)

Article

Evidence for the hybrid origin of Flaveria latifolia (Compositae)

Investigations of natural populations, cytological studies, and comparisons of herbarium specimens have been used to clarify the taxonomy of the Florida species ofFlaveria. These studies indicate thatF. latifolia

Robert W. Long, Ernest L. Rhamstine in Brittonia (1968)

Article

Perspectives nouvelles de la cartographie biogéographique végétale intégrée

Après avoir indiqué les objectifs et les concepts généraux de la cartographie biogéographique intégrée de la végétation et de son écologie, l'auteur expose, avec plus de détails, les conceptions de forme dans ...

Gilbert Long in Vegetatio (1969)

Article

Immunity to coccidiosis: Gut permeability changes in response to sporozoite invasion

Mit einer neuen Methode wird gezeigt, dass die Invasion des Darmepithels von immunen Hühnern durch Sporozoiten verschiedenerEimeria-Arten zu einer vermehrten Durchlässigkeit der Gefässe führt.

M. Elaine Rose, P. L. Long in Experientia (1969)

Article

Offshore marine cheilostome Bryozoa from Fort Lauderdale, Florida

Cheilostome Bryozoa were collected upon marine fouling test panels exposed offshore from Fort Lauderdale, Florida, USA between 1961 and 1967. Panels were exposed at certain depths, ranging from the surface to ...

E. R. Long, J. B. Rucker in Marine Biology (1970)

Article

Taxonomic studies on Cryptococci and related yeasts

A taxonomic methodology based on current keys and the ready availability of refrigerated slant media is presented. It utilizes defined media, surface inoculation, and reagent indicators which simplify final re...

A. Widra, I. Long in Mycopathologia et mycologia applicata (1970)

Article

Effect of glucagon on gastric and duodenal secretion in chickens

Acute experiments in chickens demonstrated that glucagon inhibited the volume of spontaneous gastric juice secretion (proventriculus-gizzard) with a corresponding decrease in pepsin output. Glucagon did slight...

E. Kokas, S. H. Kaufman, J. C. Long in Zeitschrift für vergleichende Physiologie (1971)

Article

Release of carboxylating enzymes from maize and sugar cane leaf tissue during progressive grinding

The release of chlorophyll, chloroplasts, o-diphenols, o-diphenol oxidase activity and carboxylating enzyme activity during the grinding of maize and sugar cane leaf tissue has been correlated with the breakag...

C. Bucke, S. P. Long in Planta (1971)

Article

Studies of marine fouling and boring off Kodiak Island, Alaska

Marine fouling and boring off Kodiak Island, Alaska, was studied at depths of 5, 15, and 30 m by exposing wood/asbestos test panels and retrieving them at monthly and cumulatively longer intervals. Fouling was...

E. R. Long in Marine Biology (1972)

Chapter

Microclimate Factors Affecting Evaporation and Transpiration

Evaporation from field crops can be estimated using formulae that treat the crop as a single surface. Some formulae allow for different crop types and for changes in crop structure with growth, by including an...

B. J. Legg, I. F. Long in Physical Aspects of Soil Water and Salts in Ecosystems (1973)