(n.) A medium of great elasticity and extreme tenuity, supposed to pervade all space, the interior of solid bodies not excepted, and to be the medium of transmission of light and heat; hence often called luminiferous ether.
(n.) Supposed matter above the air; the air itself.
(n.) A light, volatile, mobile, inflammable liquid, (C2H5)2O, of a characteristic aromatic odor, obtained by the distillation of alcohol with sulphuric acid, and hence called also sulphuric ether. It is powerful solvent of fats, resins, and pyroxylin, but finds its chief use as an anaesthetic. Called also ethyl oxide.
(n.) Any similar oxide of hydrocarbon radicals; as, amyl ether; valeric ether.
Example Sentences:
(1) 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.
(2) After 3 and 6 months, blood collected by cardiocentesis using ether anesthesia and then sacrificed to remove CNS and internal organs.
(3) Glycosyl ceramide concentration was determined by gas-liquid chromatography of the trimethylsilyl ethers of the methyl glycosides.
(4) Ether extracts were analyzed by gas chromatography-mass spectrometry (GC-MS) and various chlorinated and non-chlorinated compounds were detected, e.g.
(5) 1 Rats were convulsed once daily for 7 days by exposure to the inhalant convulsant agent, flurothyl (Indoklon, bis (2,2,2-trifluouroethyl)ether).
(6) No impurities in the technical grade ether influenced the responses.
(7) Depletion of extracellular Ca2+ by EGTA [ethylene glycol-bis(beta-aminoethyl ether)-N,N,N'N'-tetraacetic acid] attenuated both [Ca2+]i increase and superoxide production induced by particles.
(8) It was presumed that thymohydroquinone is excreted as ethereal sulfuric acid conjugate in man.
(9) The authors have carried out an experimental study of an insufficiently explored problem of the diffusion capacity of the ethers of cholesterol through the skin and the possibility of their intra-articular transport with cholesterol ether of the oleic acid marked 1,2(3)H taken as an example.
(10) Chelation of extracellular calcium with ethyleneglycol-bis(beta-aminoethyl ether)N,N,N',N' tetraacetic acid (EGTA) did not abolish the increase in calcium.
(11) The UE and KE fractions were then separated by silicic acid column chromatography with a stepwise elution method using ether-hexane.
(12) The enzyme appears to be highly specific since D-dopachrome, alpha-methyldopachrome, dopaminochrome, adrenochrome methyl ether and deoxyadrenochrome are not substrates.
(13) After introduction of surgical anesthesia with general agents such as ether and chloroform, a large number of deaths due to anesthetic toxicity were reported.
(14) Data of ether-extracted total fat content versus data of fat marbling planimetry correlated well with r = 0.9.
(15) When the enzyme is inactivated with 16alpha-[2-3H]bromoacetoxyestradiol 3-methyl ether, amino acid analysis of acid hydrolysates reveals 3-carboxymethylhistidine and 1,3-dicarboxymethylhistidine.
(16) In addition these methods of estrogen treatment potentiated the ether-induced increase in plasma prolactin in the morning (9.00-11.00) beginning on week 2 and continuing for 3-8 weeks.
(17) Studies of structure-transacylation relationships for a series of acylhydroxamic acids of chlorinated biphenyl ethers and their related compounds by rat liver N-arylacylhydroxamic acid-dependent N-acyltransferase (AHNAT) are described.
(18) The biologically inactive phorbol ester 12-O-tetradecanoyl phorbol-13-acetate methyl ether (10 nM) had no effect on 45Ca2+ uptake.
(19) Steroids were extracted with ethyl ether, and cortisol was purified by gel column chromatography prior to assay.
(20) The method comprised adsorption on Extrelut column from alkaline plasma, elution with diethyl ether-methylene chloride, evaporation in the presence of 0.01 M hydrochloric acid and injection of the acid solution onto a mu Bondapak C18 column, using acetonitrile-0.025 M potassium dihydrogenphosphate as mobile phase and ultraviolet detection at 210 nm.
Group
Definition:
(n.) A cluster, crowd, or throng; an assemblage, either of persons or things, collected without any regular form or arrangement; as, a group of men or of trees; a group of isles.
(n.) An assemblage of objects in a certain order or relation, or having some resemblance or common characteristic; as, groups of strata.
(n.) A variously limited assemblage of animals or plants, having some resemblance, or common characteristics in form or structure. The term has different uses, and may be made to include certain species of a genus, or a whole genus, or certain genera, or even several orders.
(n.) A number of eighth, sixteenth, etc., notes joined at the stems; -- sometimes rather indefinitely applied to any ornament made up of a few short notes.
(n.) To form a group of; to arrange or combine in a group or in groups, often with reference to mutual relation and the best effect; to form an assemblage of.
Example Sentences:
(1) A group of interested medical personnel has been identified which has begun to work together.
(2) Once treatment began, no significant changes occurred in Group 1, but both PRA and A2 rose significantly in Groups 2 and 3.
(3) This trend appeared to reverse itself in the low dose animals after 3 hr, whereas in the high dose group, cardiac output continued to decline.
(4) All transplants were performed using standard techniques, the operation for the two groups differing only as described above.
(5) after operation for hip fracture, and merits assessment in other high-risk groups of patients.
(6) Seventeen patients (Group 1) had had no previous surgery, while 13 (Group 2) had had multiple previous operations.
(7) The effects of sessions, individual characteristics, group behavior, sedative medications, and pharmacological anticipation, on simple visual and auditory reaction time were evaluated with a randomized block design.
(8) Urinary ANF immunoreactivity was significantly enhanced by candoxatril in both groups (P less than 0.05 and P less than 0.01 in groups 1 and 2, respectively), with a more pronounced effect evident at the higher dose (P less than 0.01).
(9) The second group only with Haloperidol (same dose).
(10) A change in the pattern of care of children with IDDM, led to a pronounced decrease in hospital use by this patient group.
(11) If the method was taken into routine use in a diagnostic laboratory, the persistence of reverse passive haemagglutination reactions would enable grouping results to be checked for quality control purposes.
(12) We considered the days of the disease and the persistence of symptoms since the admission as peculiar parameters between the two groups.
(13) A group I subset (six animals), for which predominant cultivable microbiota was described, had a mean GI of 2.4.
(14) The half-life of 45Ca in the various calcium fractions of both types of bone was 72 hours in both the control and malnourished groups except the calcium complex portion of the long bone of the control group, which was about 100 hours.
(15) Between 22 HLA-identical siblings and 16 two-haplotype different siblings, a significant difference in concordance of reactions for the B-cell groups was noted.
(16) The cumulative incidence of grade II and III acute GVHD in the 'low dose' cyclosporin group was 42% compared to 51% in the 'standard dose' group (P = 0.60).
(17) The intrauterine mean active pressure (MAP) in the nulliparous group was 1.51 kPa (SD 0.45) in the first stage and 2.71 kPa (SD 0.77) in the second stage.
(18) Biden will meet with representatives from six gun groups on Thursday, including the NRA and the Independent Firearms Owners Association, which are both publicly opposed to stricter gun-control laws.
(19) Another interested party, the University of Miami, had been in talks with the Beckham group over the potential for a shared stadium project.
(20) However, the groups often paused less and responded faster than individual rats working under identical conditions.