(v. i.) To vibrate as a balance does before resting in equilibrium; hence, to be poised.
(v. t.) To poise; to balance.
Example Sentences:
(1) The simulation reproduces the amplitudes of the fast librational motions of the backbone N-H bonds determined from 15N nuclear magnetic relaxation data, as well as the crystallographic B-factors.
(2) This has provided information on the translational and librational motions of individual groups in the complex.
(3) Above about 52 degrees C cholesterol improves the order by decreasing the amplitude of the librational motions.
(4) In its thermal vibrations, the adenosine molecule behaves as two rigid segments with a torsional libration about the glycosidic bond of 14.4 deg2 at 123 K. The force constant for this libration, as determined from the diffraction data, is 73 (10) J mol-1 deg-2.
(5) In the 1970s, Princeton physicist Gerald K O’Neill envisioned 100,000-person colonies, stationed at what is known as the fifth Lagrangian libration point (L5) in the moon’s orbit – like a gravitational eddy where things stay put by themselves.
(6) The source of the entropic elastomeric force is demonstrated to be the result of internal chain dynamics, and the mechanism is called the librational entropy mechanism of elasticity.
(7) The librational motions are to some extent cooperative.
(8) A translational, librational, and screw analysis of the thermal parameters of endothiapepsin also supports a model in which the two parts can move relative to each other.
(9) Collectively these results suggest that hydrophobic interactions make contributions to elastin entropy at low extensions, but that librational mechanisms make larger contributions to the elastic restoring force at longer extensions.
(10) Many such motions reflect peptide plane librations that result from anticorrelated crankshaft rotations of psi i and phi i+1.
(11) 7 nsec at 40 degrees C) where the band has been assigned to a peptide librational mode.
(12) The amplitude of the base motion, modeled as a fast four-site libration, or diffusion in a cone, increased slightly with higher levels of hydration.
(13) The TLS model has also been applied to the whole protein molecule and shows that the average motion is approximately isotropic with little librational character.
(14) Calculations of the relative statistical weights of these conformations confirm earlier theoretical considerations on the importance of the librational free energy of stable conformations of peptides.
(15) Since the spin-lattice relaxation rate for the active R-state (immobilized) phosphate is similar to that observed in other phosphoenzymes of different size it is suggested that a librational motion on the nanosecond time scale may constitute a common spin-lattice relaxation pathway for phosphates in macromolecules.
(16) The absorption bands of the glycerol ester, phosphoryl, and choline groups were broadened upon hydration, suggesting the activation of the librational or torsional motion.
(17) The similarity of Raman frequencies for B-, A-, C-, and Z-DNA suggests that these modes originate from concerted motions of the bases (librations), which are not strongly dependent upon helix backbone geometry or handedness.
(18) Thus, while the rate of these transitions cannot be quantified, the simulated decay of these correlation functions is completely consistent with the physical picture in which the N-H vectors, in addition to fast librational motion, undergo large amplitude jumps between conformations stabilized by hydrogen bonds.
(19) By analogy this allows for the first assignment of a peptide librational mode in a naturally occurring polypeptide or protein.
(20) The hydrophobic side groups in the protein core show mainly translational motion, with mean-square librations of 20 deg2 which are similar to those found in some close-packed crystals of small organic molecules.
Weigh
Definition:
(n.) A corruption of Way, used only in the phrase under weigh.
(v. t.) To bear up; to raise; to lift into the air; to swing up; as, to weigh anchor.
(v. t.) To examine by the balance; to ascertain the weight of, that is, the force with which a thing tends to the center of the earth; to determine the heaviness, or quantity of matter of; as, to weigh sugar; to weigh gold.
(v. t.) To be equivalent to in weight; to counterbalance; to have the heaviness of.
(v. t.) To pay, allot, take, or give by weight.
(v. t.) To examine or test as if by the balance; to ponder in the mind; to consider or examine for the purpose of forming an opinion or coming to a conclusion; to estimate deliberately and maturely; to balance.
(v. t.) To consider as worthy of notice; to regard.
(v. i.) To have weight; to be heavy.
(v. i.) To be considered as important; to have weight in the intellectual balance.
(v. i.) To bear heavily; to press hard.
(v. i.) To judge; to estimate.
(n.) A certain quantity estimated by weight; an English measure of weight. See Wey.
Example Sentences:
(1) In this article we report the survival and morbidity rates for all live-born infants weighing 501 to 1000 gram at birth and born to residents of a defined geographic region from 1977 to 1980 (n = 255) compared with 1981 to 1984 (n = 266).
(2) The authors followed up the occurrence of inflammation-mediated osteopenia (IMO) in young and adult rats weighing 50 g and 150 g, respectively.
(3) Yesterday's flight may not quite have been one small step for man, but the hyperbole and the sense of history weighed heavily on those involved.
(4) The examination of the standard waves' amplitude and latency of the brain stem auditory evoked response (BAEP) was performed in 20 guinea pigs (males and females, weighing 250 to 300 g).
(5) Labelling of the albumin with 99mTc ensured an accuracy of measurements only limited by the precision of the weighing.
(6) I approached the public inquiry after much soul-searching, weighing up the ramifications of "rocking the boat" with the potential longer-term gains of a more robust and sustainable regulator.
(7) Among infants weighing less than 2 500 g, perinatal mortality was higher in the local hospital than in the university hospital, the higher mortality being due to the higher rate of stillborn infants.
(8) The weapon is 13 metres long, weighs 60 tonnes and can carry nuclear warheads with up to eight times the destructive capacity of the bombs that hit Hiroshima and Nagasaki in the second world war.
(9) But in Annie Hall the mortality that weighs most heavily is the mortality of his love affair.
(10) Hematoma clot weighing 10 grams was removed through emergency craniotomy, followed by external decompression.
(11) The babies were weighed prior to the morning feeding.
(12) By contrast the perinatal wastage was only 7 per 1,000 births in babies born weighing more than 1,500g and this included lethal congenital malformations.
(13) The direct measurement of adiposity, using hydrostatic weighing and other techniques, is not feasible in studies involving young children or with large numbers of older subjects.
(14) Weighed amounts of lyophilized venom from each snake were compared chronologically for variation in isoelectric focusing patterns, using natural and immobilized gradients.
(15) The fibrosis of the gastric wall with motility disturbances, and the diminution of acid and pepsin production from damage to the glandular elements, would weigh against the addition of a vagotomy to the drainage procedure.
(16) The improved survival of the infants weighing 1,500 gm or less when compared with infants of similar weights in preceding years is attributed to more intensive perinatal management of these mothers and their very-low-birth-weight infants.
(17) We therefore developed a food frequency questionnaire and tested it against a 4-day weighed food record in 54 Caucasian women, between 29 and 72 years of age.
(18) These advantages must be weighed against the finding that overheating was more common and Pseudomonas was more commonly isolated from the infants.
(19) The experiment was performed using two young male camels which weighed 24 and 36 kg respectively at birth.
(20) Fears over China's financial system also weighed ( see this post for the background ).