(a.) In the form of, or bounded by, a circle; round.
(a.) repeating itself; ending in itself; reverting to the point of beginning; hence, illogical; inconclusive; as, circular reasoning.
(a.) Adhering to a fixed circle of legends; cyclic; hence, mean; inferior. See Cyclic poets, under Cyclic.
(a.) Addressed to a circle, or to a number of persons having a common interest; circulated, or intended for circulation; as, a circular letter.
(a.) Perfect; complete.
(a.) A circular letter, or paper, usually printed, copies of which are addressed or given to various persons; as, a business circular.
(a.) A sleeveless cloak, cut in circular form.
Example Sentences:
(1) By hybridization studies, three plasmids in two forms (open circular and supercoiled) were detected in the strain A24.
(2) When irradiated circular DNA, previously nicked by T4 endonuclease V, is briefly exposed to elevated temperature, the DAN becomes susceptible to the action of exonuclease V, and pyrimidine dimers are selectively released.
(3) Circular muscle strips from the opossum esophageal body obtained 3-5 cm above the esophagogastric junction were suspended in organ baths for measurement of isometric tension.
(4) Noradrenaline decreased the phasic contraction amplitude of the circular muscle and exerted a stimulant effect on the tone which suggested an existence of two alpha 1-adrenoceptor subtypes.
(5) After methylene blue, the gradient in resting potential across the circular layer was greatly reduced or abolished.
(6) Circular dichroism (CD) spectra indicating different local orientation of oxazolone, when coupled to L or D side chain-terminating amino acids, support this suggestion.
(7) The alpha-helical content of the free form of the lipoprotein was measured from the circular dichroism spectrum of the lipoprotein in 0.01% sodium dodecyl sulfate and found to be 87%.
(8) Parameters affecting assembly of these complexes were sequences in circular DNA templates, sizes and sequences of linear DNA templates, temperature and incubation time.
(9) The mechanisms underlying the biphasic response (BR) of the circular muscle of the guinea pig ileum (CMGPI) to bradykinin (BK) have been examined.
(10) The distribution and lateral mobility of VDCCs on CA1 hippocampal neurons have been determined with biologically active fluorescent and biotinylated derivatives of the selective probe omega-conotoxin in conjunction with circular dityndallism, digital fluorescence imaging, and photobleach recovery microscopy.
(11) The structure of the Z-helix antigen was confirmed by circular dichroism (CD) and U.V.
(12) Dustin Benton Dustin Benton, head of resource stewardship, Green Alliance Creating a circular economy will take action in three areas: the economy, policy and politics, and innovation.
(13) Anastomotic devascularization has been incriminated in the development of post-operative complications (fistula, stenosis) of circular stapling.
(14) If people approach it in the right way and we show that this is a development agenda – it’s competitiveness, it’s jobs – then why wouldn’t it be adopted.” Read more like this: How much do you know about the circular economy?
(15) When the method proposed by Trela (1975) is applied, thin layers of the petrous crest are chiselled out until the common crus of the superior and posterior semi-circular becomes apparent.
(16) A comparison of the conformation of Folch-Pi apoprotein in organic solvent and in aqueous solutions has been made by ESR, infrared and circular dichroism spectroscopy studies.
(17) In the group of malignant schizophrenia, irrespective of the stage of the disease and in the group of circular forms there was a definite drop in the activity of cytochromoxidase, succinatedehydrogenase and MAO, while as the activity of the ATP-ase and peroxidase was increased.
(18) Circular cuts which surgically isolated the medial basal hypothalamus (MBH) from the remainder of the brain did not prevent copulation 4 to 24 h later, but did block reflex ovulation.
(19) Monodispersed N- and C-protected linear homo-oligomethionines (n = 2- -7) are studied by measurements of circular dichroism in the vacuum ultraviolet region.
(20) The first stage is characterized by circular disturbances of conditioned activity, vegetative shifts of compensatory character and intensification of individual characteristics of behaviour.
Treadle
Definition:
(n.) The part of a foot lathe, or other machine, which is pressed or moved by the foot.
(n.) The chalaza of a bird's egg; the tread.
Example Sentences:
(1) Three coyotes were operantly conditioned to depress one of two foot treadles, left or right, depending on the condition of the stimulus light.
(2) Ashden Outstanding Achievement Award International Development Enterprises India (IDEI) - for a simple treadle pump that has lifted more than 750,000 farmers out of poverty.
(3) Groups of pigeons were trained to depress a treadle in the presence of a compound stimulus consisting of a tone and a red houselight (a) to avoid electric shock, or (b) to obtain grain.
(4) The facilitative effect was equal in four cases: (i) making no response (NR), (ii) finger abduction (FA), (iii) noninvolved muscle (NIM), and (iv) involved muscle during treadle pressing (IM).
(5) The effects of promazine on treadle pressing to postpone the presentation of electric shock were studied in three pigeons.
(6) In Experiment 2 eight pigeons learned a treadle-press response to avoid or escape shock on a signaled free-operant schedule.
(7) Rates of responding changed systematically across sessions for rats pressing levers and keys and for pigeons pressing treadles and pecking keys.
(8) After performance had stabilized, the degree to which each element controlled treadle pressing was determined.
(9) Selected doses of both promazine and chlorpromazine increased the rates of treadle pressing in all birds.
(10) Two experiments investigated free-operant avoidance responding with pigeons using a treadle-pressing response.
(11) The response-rate increases produced by promazine and chlorpromazine were due to increased conditional probabilities of treadle pressing both before and during the preshock stimulus.
(12) Effective doses of apomorphine caused dose-dependent decreases on treadle-pressing rates in all animals.
(13) Appropriate doses of amphetamine caused rate-increasing effects on key-pecking as well as treadle-pressing rates of all pigeons.
(14) Frame-by-frame analysis of videotape records of E21 rat fetuses revealed that tactile contact with the artificial nipple elicited mouthing, licking directed at the nipple, forelimb treadling, and grasping of the nipple.
(15) Pigeons were trained to depress and hold a foot treadle until a stimulus change occurred.
(16) Each treadle press postponed electric shock for 20 sec and presentation of a preshock stimulus for 14 sec.
(17) Key-pecking and treadle-pressing behavior were maintained in five pigeons by a mult.
(18) For example, Climate Care is helping to fund simple 'treadle' water pumps for farmers in India, to give them the freedom to irrigate their crops without relying on expensive, polluting diesel pumps.
(19) This will take over 2000 years to make the same carbon savings as the treadle pump project will make in a single year with the same investment.