(1) "Isochronic activation curves" for Ix and decay of current tails at -40 mV remained unaffected after Mn.
(2) DDS shifted current-voltage (I-V) and isochronal inactivation curves of ICa,L in the negative direction, whereas DDTMA shifted them in positive direction.
(3) Finally, the isochronal Emax and other end-systolic P-V relation slope values demonstrated inverse linear relationships with left ventricular mass (r = -.68 to -.91, p less than .05 to p less than .001).
(4) Adults hear alternating syllables with isochronous syllable onset-onset times as having a long-short, alternating rhythm when the syllables differ in initial consonant.
(5) Moreover, indirect P-V relations underestimate these Emax values, but they are linearly related with the isochronal Emax values calculated by RNA and CINE.
(6) When the standard pattern consisted of equally timed (isochronic) brief tones, whose interonset intervals (IOIs) were 50, 100, or 200 msec, the accuracy in detecting an asynchrony or deviation of one tone in the sequence was about as would be predicted from older research on the discrimination of single time intervals (6%-8% at an IOI of 200 msec, 11%-12% at an IOI of 100 msec, and almost 20% at an IOI of 50 msec).
(7) Isochronal data during early systole were better fitted to a parabolic than to the linear model; however, fits to linear and parabolic models were equally good near end of systole.
(8) The final positions of isochronically transplanted neurons in the host brain were mapped out by using the 3H-thymidine marker after long survival periods.
(9) The manuscript reviews evidence that these assumptions may not always be true, and when they are not, the isochronal map may be misleading.
(10) In addition, by using lines of constant analysis time (isochrons), it was found that several sets of conditions will result in nearly identical retention times.
(11) To investigate whether components of vector loops could provide information about different activation directions in local areas of myocardium, we correlated "instantaneous vectors" with isochronal activation patterns in an in vitro preparation of experimental myocardial infarction.
(12) Thus the sequence of morphological differentiation and the eventual laminar position of the isochronically transplanted neurons closely paralleled that of their normal host counterparts.
(13) In each case, the resolution equation, when written in terms of isochronal conditions, shows that improvements can be obtained without sacrificing analysis time.
(14) A small piece of membrane shell, a small agar screen, or a piece of quail isochronous isotopic notochord was inserted into the gap.
(15) The routine production of 11C (T = 20.3 min), 123I (T = 13.3 h) and 28Mg (T = 21.1 h) at the Julich Isochronous Cyclotron JULIC via the 12C(p,pn) 11C-, 127I(d,6n) 123Xe(beta+, EC) 123I- and 27Al(alpha,3p) 28Mg-reaction, respectively, is described.
(16) Examples of some original programmes are: the automatic assessment of a pacemaker on the test bench, the formation of programmed impulses for electrocardiographic investigation, the analysis of arrhythmias by a histogram of the RR interval of frequency analysis, the recording of isochrones in pericardial cartography.
(17) The delayed excitation resulting from intraventricular conduction disturbance caused by infarction, as verified by the epicardial isochronic map, is also well represented by the body surface isopotential map.
(18) Emax and VO were determined in all patients from the slope and volume intercept of the isochronic pressure-volume line with the maximum time-varying elastance as described by Sagawa's model and were designated true Emax and true VO, respectively.
(19) The inverse problem of electrocardiography (specifically, that part concerned with the computation of the ventricular surface activation isochrones) is shown to be formally equivalent to the problem of identification and measurement of discontinuities in derivatives of body surface potentials.
(20) The application of a new signal processing methodology to the analysis of epicardial array ECG signals is presented as an alternative to isopotential or isochrones mapping by the use of a zero-delay wavenumber spectrum (ZDWS) estimation technique.
Time
Definition:
(n.) Duration, considered independently of any system of measurement or any employment of terms which designate limited portions thereof.
(n.) A particular period or part of duration, whether past, present, or future; a point or portion of duration; as, the time was, or has been; the time is, or will be.
(n.) The period at which any definite event occurred, or person lived; age; period; era; as, the Spanish Armada was destroyed in the time of Queen Elizabeth; -- often in the plural; as, ancient times; modern times.
(n.) The duration of one's life; the hours and days which a person has at his disposal.
(n.) A proper time; a season; an opportunity.
(n.) Hour of travail, delivery, or parturition.
(n.) Performance or occurrence of an action or event, considered with reference to repetition; addition of a number to itself; repetition; as, to double cloth four times; four times four, or sixteen.
(n.) The present life; existence in this world as contrasted with immortal life; definite, as contrasted with infinite, duration.
(n.) Tense.
(n.) The measured duration of sounds; measure; tempo; rate of movement; rhythmical division; as, common or triple time; the musician keeps good time.
(v. t.) To appoint the time for; to bring, begin, or perform at the proper season or time; as, he timed his appearance rightly.
(v. t.) To regulate as to time; to accompany, or agree with, in time of movement.
(v. t.) To ascertain or record the time, duration, or rate of; as, to time the speed of horses, or hours for workmen.
(v. t.) To measure, as in music or harmony.
(v. i.) To keep or beat time; to proceed or move in time.
(v. i.) To pass time; to delay.
Example Sentences:
(1) In April, they said the teenager boarded a flight to Turkey with his friend Hassan Munshi, also 17 at the time.
(2) Neuromedin B (C50 6 x 10(-12) M) was 3 times less potent than bombesin-14.
(3) Since fingernail creatinine (Ncr) reflects serum creatinine (Scr) at the time of nail formation, it has been suggested that Ncr level might represent that of Scr around 4 months previously.
(4) Herpesviruses such as EBV, HSV, and human herpes virus-6 (HHV-6) have a marked tropism for cells of the immune system and therefore infection by these viruses may result in alterations of immune functions, leading at times to a state of immunosuppression.
(5) In contrast, resting cells of strain CHA750 produced five times less IAA in a buffer (pH 6.0) containing 1 mM-L-tryptophan than did resting cells of the wild-type, illustrating the major contribution of TSO to IAA synthesis under these conditions.
(6) For some time now, public opinion polls have revealed Americans' strong preference to live in comparatively small cities, towns, and rural areas rather than in large cities.
(7) The proportion of motile spermatozoa decreased with time at the same rate when samples were prepared in either HEPES or phosphate buffers.
(8) 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.
(9) Van Persie's knee injury meant that Mata could work in tandem with the delightfully nimble Kagawa, starting for the first time since 22 January.
(10) Cantact placing reaction times were measured in cats which were either restrained in a hammock or supported in a conventional way.
(11) 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.
(12) 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.
(13) An effective graft-surveillance protocol needs to be applicable to all patients; practical in terms of time, effort, and cost; reliable; and able to detect, grade, and assess progression of lesions.
(14) At the early phase of the sensitization a T-cell response was seen in vitro, characterized by an increased spleen but no peripheral blood lymphocyte reactivity to T-cell mitogens at the same time as increased reactivity to the sensitizing antigen was detected.
(15) The HBV infection was tested by the reversed passive hemagglutination method for the HBsAg and by the passive hemagglutination method for the anti-HBs at the time of recruitment in 1984.
(16) ), the concentration of AMPO in the hypothalamus was 5.4 times the concentration at 20 h after one injection.
(17) Trifluoroacetylated rabbit serum albumin was 5 times more reactive with these antibodies and thus more antigenic than the homologous acetylated moiety confirming the importance of the trifluoromethyl moiety as an epitope in the immunogen in vivo.
(18) The time of observation varied between 2 and 17 years.
(19) Lp(a) also complexes to plasmin-fibrinogen digests, and binding increases in proportion to the time of plasmin-induced fibrinogen degradation.
(20) The extent of the infectious process was limited, however, because the life span of the cultures was not significantly shortened, the yields of infectious virus per immunofluorescent cell were at all times low, and most infected cells contained only a few well-delineated small masses of antigen, suggestive of an abortive infection.