Search
Now showing items 1-10 of 11
Post-metamorphic change in activity metabolism of anurans in relation to life history
(Springer: Oecologia, 1984-12)
Newly-metamorphosed individuals of some species of frogs and toads differ from adults in behavior, ecology, and physiology. These differences may be related to broader patterns of the life histories of different species ...
Chemical alloying, a novel method for the preparation of homogeneous selenium-tellurium (SexTe1-x) alloys
(American Chemical Society: Journal of the American Chemical Society, 1984-11-14)
Response to simultaneous dehydration and thermal stress in three species of Puerto Rican frogs
(Springer: Journal of Comparative Physiology B: Biochemical, Systemic, and Environmental Physiology, 1984-11)
The response to simultaneous temperature and dehydration stress was examined in three species of Puerto Rican frogs. Eleutherodactylus antillensis is found primarily in hot, arid grasslands at low altitudes. Eleutherodactylus ...
Structure of Dense Sodium Di-2-Ethylsulfosuccinate/D2O/Decane Microemulsions
(American Physical Society, 1984-08-27)
Small-angle neutron scattering is used to investigate the structure of single-phase AOT (sodium di-2-ethylsulfosuccinate)/D2O/decane microemulsions containing equal volumes of water and oil and a variable concentration of ...
Attractive interactions in micelles and microemulsions
(American Physical Society, 1984-08-06)
We have used small-angle neutron scattering to study surfactant interactions in an inverted micellar and a related microemulsions system. The structure-factor fits imply an attractive interaction between micelles with a ...
Reliability of standard rate constants for rapid electrochemical reactions
(The American Chemical Society: Analytical Chemistry, 1984-07)
A method is outlined for testing the reliability of standard rate constants, k^s, for rapid electrode reactions evaluated by using electrochemical perturbation techniques. This entails monitoring the response of the apparent ...
Room-temperature rate constant for the hydroperoxo + hydroperoxo reaction at low pressures
(The American Chemical Society: The Journal of Physical Chemistry, 1984-05-10)
The rate constant, k1, for the self-reaction of HO2, HO2 + HO2 --> H2O2 + O2, was investigated in a discharge-flow system at room temperature and low pressures (1-7 torr) of He carrier gas by laser magnetic resonance ...
Male parental care and its adaptive significance in a neotropical frog
(Elsevier: Animal Behaviour, 1984-05)
In the Puerto Rican frog Eleutherodactylus coqui, parental care is performed exclusively by males, and consists of attending the eggs and hatchlings at a terrestrial oviposition site. The two major behavioural components ...
Structure of three-component microemulsions in the critical region determined by small-angle neutron scattering
(American Physical Society, 1984-04)
The intensity distribution of the critical scattering from sodium di-2-ethylhexylsulfosuccinate AOT-D2O-n-alkane water-in-oil (W/O) microemulsions has been measured over an extensive range of droplet volume fractions (3-30 ...
Water balance of terrestrial anuran (Eleutherodactylus Coqui) eggs: importance of parental care
(The Ecological Society of America: Ecology, 1984-02)
The terrestrial eggs of the coqui of Puerto Rico are brooded almost continuously by the male parent from the time of oviposition until the fully metamorphosed hatchlings emerge from the eggs 15-20 d later. The gelatinous ...