(n.) The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active force; as, an increasing variety of human activities.
Example Sentences:
(1) Tryptic digestion of the membranes caused complete disappearance of the binding activity, but heat-treatment for 5 min at 70 degrees C caused only 40% loss of activity.
(2) A study revealed that the percentage of active sperm in semen 30 seconds after ejaculation was 10.3% when a nonoxynol 9 latex condom was used as opposed to 55.9% in a nonspermicidal condom.
(3) The most actively proliferating region of the excurrent duct system is zone 3 of the epididymis, whereas the least active region is the ductuli efferentes.
(4) Spectral analysis of spontaneous heart rate fluctuations, a powerful noninvasive tool for quantifying autonomic nervous system activity, was assessed in Xenopus Laevis, intact or spinalized, at different temperatures and by use of pharmacological tools.
(5) Activity of Na,K-ATPase activity was measured as a functional marker for synaptosomal membranes.
(6) The antiarrhythmic activity similar to that of quinidine (with ca.
(7) The microsomal preparations from untreated Syrian golden hamster livers exhibited higher activities of N-demethylation towards the macrolide antibiotics, erythromycin and troleandomycin, than those from untreated and phenobarbital-treated rats.
(8) Patient plasma samples demonstrated evidence of marked complement activation, with 3-fold elevations of C3a desArg concentrations by the 8th day of therapy.
(9) After stimulation with lipopolysaccharide and calcium ionophore A23187, culture supernatants of clones c18A and c29A showed cytotoxic activity against human melanoma A375 Met-Mix and other cell lines which were resistant to the tumor necrosis factor, lymphotoxin and interleukin 1.
(10) Phospholipid methylation in human EGMs is distinctly different from that in rat EGMs (Hirata and Axelrod 1980) in that the human activity is not Mg++-dependent, and apparent methyltransferase I activity is located in the external membrane surface.
(11) Increased plasmin activity was associated with advancing stage of lactation and older cows after appropriate adjustments were made for the effects of milk yield and SCC.
(12) Arachidic acid was without effect, while linoleic acid and linolenic acid were (on a concentration basis) at least 5-times less active than arachidonic acid.
(13) Following in vitro C activation in NHS by delta IgG, the 40 KD C4d component increased markedly.
(14) One hour after direct mechanical cardiomassage (DMCM) a moderately pronounced edema of the intercellular spaces in the basal compartment of the seminiferous epithelium, normal content of lactate and succinate dehydrogenases, and a certain decrease in the activity of glucose-6-phosphate dehydrogenases and NAD- and NADP-diaphorases were noted.
(15) We conclude that first-transit and blood-pool techniques are equally accurate methods for determining EF when the time-activity method of analysis is employed.
(16) This difference was not due to ATPase activity in the assay.
(17) In the surface epithelial cells, the basolateral cell surface showed moderate enzymatic activity.
(18) Both the vitellogenesis and the GtH cell activity are restored in the fish exposed to short photoperiod if it is followed by a long photoperiod.
(19) It was shown in experiments on four dogs by the conditioned method that the period of recovery of conditioned activity after one hour ether anaesthesia tested 7 to 7.5 days.
(20) Together these results suggest that IVC may operate as a selective activator of calpain both in the cytosol and at the membrane level; in the latter case in synergism with the activation induced by association of the proteinase to the cell membrane.
Task
Definition:
(v.) Labor or study imposed by another, often in a definite quantity or amount.
(v.) Business; employment; undertaking; labor.
(v. t.) To impose a task upon; to assign a definite amount of business, labor, or duty to.
(v. t.) To oppress with severe or excessive burdens; to tax.
(v. t.) To charge; to tax; as with a fault.
Example Sentences:
(1) However, as the same task confronts the Lib Dems, do we not now have a priceless opportunity to bring the two parties together to undertake a fundamental rethink of the way social democratic principles and policies can be made relevant to modern society.
(2) However, the relationships between sociometric status and social perception varied as a function of task.
(3) Women seldom occupy higher positions in a [criminal] organisation, and are rather used for menial, but often dangerous tasks ,” it notes.
(4) Full consideration should be given to the dynamics of motion when assessing risk factors in working tasks.
(5) This implementation reduced a formidable task to a relatively routine run.
(6) Early detection of breast cancer is the major indication, and mammography is the single best test for this task.
(7) An operant delayed-matching task was used to assess the role of proactive interference (PI) effects on short-term memory capacity of rats.
(8) Learning ability was assessed using a radial arm maze task, in which the rats had to visit each of eight arms for a food reward.
(9) The effects of noise on information processing in perceptual and memory tasks, as well as time reaction to perceptual stimuli, were investigated in a laboratory experiment.
(10) A control experiment demonstrated that changes in general arousal could not account for the effects of task difficulty on neuronal responses.
(11) The pattern of results in simpler tasks is more difficult to interpret.
(12) In the appetitive passive avoidance task, only the substantia nigra lesion group exhibited a deficiency.
(13) For such a task, Malawi needs the best government it can get, and this will have to be demanded by the people.
(14) Stress may increase to an intolerable level with the number of tasks, with higher qualified work and due to the lack of familiarity with fellow workers in ever changing settings.
(15) The tasks which appeared to present the most difficulties for the patients were written spelling, pragmatic processing tasks like sentence disambiguation and proverb interpretation.
(16) Fifty-one severely retarded adults were taught a difficult visual discrimination in an assembly task by one of three training techniques: (a) adding and reducing large cue differences on the relevant-shape dimension; (b) adding and fading a redundant-color dimension; or (c) a combination of the two techniques.
(17) Similarities are pointed out between tasks used for the purpose of operationally defining the schizophrenic 'deficit' and tasks used to define creativity.
(18) On the reaction time task no main effects were found but the time X drinker category interaction was significant; in session 1 LSD's RT were shorter than those of HSD.
(19) Two different mental stressors were used: a mental arithmetic task with low stimulus intensity and one with high stimulus intensity characterised by more challenging instructions, a more competitive situation, and exposure to affective noise.
(20) This information then will allow the physician to determine safe levels of ventilation for a particular work task.