Results 211 to 220 of about 23,348 (252)
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Comparison of fetal and maternal hind limb metabolic quotients in sheep

American Journal of Obstetrics and Gynecology, 1984
This study compared substrate utilization by the fetal hind limb and the maternal hind limb in 26 sheep at 120 to 135 days of gestation. Catheters were placed in the mother and the fetus to sample femoral arterial and venous blood by use of a nonocclusive technique.
S, Singh   +4 more
openaire   +2 more sources

Metabolism for Energy and the Respiratory Quotient

2019
This module introduces the respiratory quotient in the context of understanding how metabolism is affected by environmental conditions. It is intended for an introductory biology audience.
Gross, Lou   +2 more
openaire   +1 more source

Computation of metabolic quotients in plant-animal symbiotic units

Journal of Theoretical Biology, 1988
Equations of several metabolic quotients of symbiotic units are derived taking a zooxanthellate scleractinian coral as a case study but are useful in any plant-animal symbiotic association. These quotients are: the photosynthetic quotient of the coral (PQ net ) and zooxanthellae (PQ z ), and the respiratory quotient of the coral (RQ c ).
Jean-Pierre Gattuso, Jean Jaubert
openaire   +1 more source

Estimation of a Derivative by a Difference Quotient: Its Application to Hepatocyte Lactate Metabolism

Biometrics, 1985
Values of the derivative of a convex function are estimated from data for the function by assigning the difference quotients of the observations to appropriate values of the determining variable. The procedure is illustrated for the time course of hepatocytes incubated with lactate, of amount l, for which pyruvate, of amount p, is also observed.
A T, James, R A, Conyers
openaire   +2 more sources

Effects of heavy metal stress on the metabolic quotient of the soil microflora

Soil Biology and Biochemistry, 1996
A variety of quantitative measurements such as viable counts, microbial biomass (Cmic), respiration, enzyme activities or ATP contents may be used to study the effects of heavy metals on the soil microflora (Babich and Stotzky, 1985; Brookes et al., 1986).
H. Insam, T.C. Hutchinson, H.H. Reber
openaire   +1 more source

Effect of biochar on organic matter conservation and metabolic quotient of soil

Environmental Progress & Sustainable Energy, 2015
Emission of CO2 resulting from mineralization of organic carbon in agricultural soil is main pathways of greenhouse gas emission. In this research, effect of biochar on humus, organic carbon accumulation, and metabolic quotient of soil were investigated. Different contents of biochar were added in two kinds of soil with different fertility.
Hua Li   +3 more
openaire   +1 more source

Effects of ambient temperature on metabolic rate, respiratory quotient, and torpor in an arctic hibernator

American Journal of Physiology-Regulatory, Integrative and Comparative Physiology, 2000
Arctic ground squirrels ( Spermophilus parryii) overwinter in hibernaculum conditions that are substantially below freezing. During torpor, captive arctic ground squirrels displayed ambient temperature (Ta)-dependent patterns of core body temperature (Tb), metabolic rate (TMR), and metabolic fuel use, as determined by respiratory quotient (RQ).
C L, Buck, B M, Barnes
openaire   +2 more sources

A critique of the microbial metabolic quotient (qCO2) as a bioindicator of disturbance and ecosystem development

Soil Biology and Biochemistry, 1995
Abstract The microbial metabolic quotient (respiration-to-biomass ratio) or qCO2, conceptually based on Odum's theory of ecosystem succession, is increasingly being used as an index of ecosystem development (during which it supposedly declines) and disturbance (due to which it supposedly increases).
D.A. Wardle, A. Ghani
openaire   +1 more source

The effect of environmental temperature on resting metabolic rate and respiratory quotient following elective surgery

Clinical Nutrition, 1983
Twenty male patients undergoing routine elective abdominal surgery of moderate severity nursed at either 20 or 28 degrees C had indirect calorimetry carried out on a control day pre-operatively and for the first four post-operative days. The mean resting metabolic rate over the four post-operative days was significantly elevated by 9% above control ...
N W, Harris   +4 more
openaire   +2 more sources

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