(n.) The unit of electric current; -- defined by the International Electrical Congress in 1893 and by U. S. Statute as, one tenth of the unit of current of the C. G. S. system of electro-magnetic units, or the practical equivalent of the unvarying current which, when passed through a standard solution of nitrate of silver in water, deposits silver at the rate of 0.001118 grams per second. Called also the international ampere.
Example Sentences:
(1) It was found, that a stunning voltage lower than 250 V under practise conditions is not acceptable from the animal point of view, because 1.2 ampere were not reached within 1 second.
(2) Currents of several amperes, at radio frequencies, can easily and efficiently be obtained.
(3) The current relationship is I = 1.87 W(0.88) where I is the peak current in amperes and W is the body weight in kilograms.
(4) When grown to confluence on 8.0-microns pore size polycarbonate filters, LLC-PK1 cells formed tight junctions between adjacent cells which offered an electrical resistance to a nondestructive 20-mu ampere alternating current passed across the cell layer.
(5) Alternating current, 350 micro-amperes, 50 KHz constant, was applied to the outer electrode, and impedance changes were detected via the inner electrode.
(6) There are a range of reasons why Sky would be looking at such a big structural change to its pay-TV service,” said Richard Broughton, a director at Ampere Analysis.
(7) It was found that currents less than 500 micro-amperes caused interference with heart rhythm, and in some of the dogs ventricular fibrillation developed.
(8) After the application of 1-ampere currents at 60 Hz, animals were monitored from 1 to 4 days.
(9) The TE stimulus is a 10 mu-ampere, 10 Hz, pulsed current transmitted via electrodes in the pinnae.
(10) This should be in terms of sensitivity to a current dipole measured in ampere-meters (Eq.
(11) The volt-ampere characteristics of the membrane (VAC) and the curves of stationary inactivation (CSI) shifted along the potentials axis.
(12) An amplifier with non-linear volt-ampere characteristics for recording low-amplitude nerve pulse activity is offered.
(13) The shape of the volt-ampere characteristics (VA) of ionic channels formed by gramicidin A did not depend on the antibiotic concentration in the membrane.
(14) A method of measurement of the non-linearity coefficient of volt-ampere characteristics of the type i(U) approximately = U(1 + beta U2) has been developed for ionic channels formed by gramicidin A, using the third harmonic of the membrane current.
(15) Solutions of glucoheptonate and sodium pertechnetate (Tc-99m) were subjected to electrolysis at various ampere-time products until a charge was found that consistently promoted tagging of greater than 90% efficiency.
(16) The ‘Netflix effect’ has impacted the whole TV industry, not just in terms of how broadcasters seek to reach their viewers, but also in terms of focus on original TV drama and the way content is packaged for consumption,” said Guy Bisson, research director at Ampere Analysis.
(17) Netflix does not disclose audience figures, but according to experts Ampere Analysis, about a third of the estimated 5.2 million Netflix UK subscribers are House of Cards fans.
(18) The dependence of Ca2+ flux release from the sarcolemmal vesicles on the membrane potential value (-60-+27 mV) is bell-shaped and qualitatively relative to the volt-amper characteristics of the steady state Ca2+ flux in single smooth muscle cells.
(19) Electrical stunning is acceptable from the animal point of view, if a minimal current of 1.2 ampere is reached, immediately after the beginning of the stunning operation.
(20) The chamber was designed to provide an ionization current of about 10(-8) ampere with a nominal 10 curie iridium-192 source.
Coulomb
Definition:
(n.) The standard unit of quantity in electrical measurements. It is the quantity of electricity conveyed in one second by the current produced by an electro-motive force of one volt acting in a circuit having a resistance of one ohm, or the quantity transferred by one ampere in one second. Formerly called weber.
Example Sentences:
(1) Scattering techniques are also shown to be useful in studying intermicellar interactions, like the Coulomb repulsion between GM1 micelles, in the regime fo the long-range interactions obtainable at very low ionic strength.
(2) One distinguishing feature of "life" is that the physical forces between biological molecules and membrane surfaces are often highly specific, in contrast to nonspecific interactions such as van der Waals, hydrophobic, and electrostatic (Coulombic) forces.
(3) Previously we demonstrated that transgenic mice expressing a mutant keratin in the basal layer of their stratified squamous epithelia exhibited a phenotype bearing resemblance to a subclass (Dowling Meara) of a heterogeneous group of human skin disorders known as epidermolysis bullosa simplex (EBS) (Vassar, R., P. A. Coulombe, L. Degenstein, K. Albers, E. Fuchs.
(4) The conformer energies of both the free bases and the piperidinium salts can be quantitatively predicted by molecular mechanics calculations using the COSMIC force-field, in which the electrostatic interactions are calculated by a simple Coulombic model with the partial atomic charges in the molecules given by the CHARGE2 routine, and an effective dielectric constant of five.
(5) Time-resolved fluorescence monitors how the proton is escaping out of the Coulomb cage of the bound dye.
(6) In order to do this we compare the thermodynamic properties calculated through this equation with Monte Carlo data on 1-1 and 2-2 electrolytes described by the restricted primitive model, in which the ions are modeled by hard spheres with a coulombic potential and the solvent is modeled as a continuum dielectric medium of uniform dielectric constant epsilon.
(7) For several 2-or 3-dimensional configurations of stationary donors and acceptors on or near a spherical membrane shell the transition probabilities for radiationless energy transfer are calculated, using Förster's approximation obtained for Coulombic dipole-dipole interaction of the transition moments.
(8) About 10 volts of direct current for 1 hour (totally over 40 coulombs) was passed between them using a DC treatment processor model 85 (Inter Nova Co., Ltd.), and simultaneously 15-30 mg of BLM was administered intravenously according to the general condition of the patient.
(9) What is outlined in this presentation should demonstrate that for many exocellular microbial polycarboxylates the solution properties are, as expected, dictated by the conformation assumed by the polyelectrolytic chains which, in turn, are governed by several free energy terms in particular stemming from specific solvent-chain interactions, among which the coulombic contribution may play a minor role.
(10) The results support the suggestion that coulombic forces play only a minor role in the binding event at this enzyme site.
(11) Thus the classic Coulomb law of magnetic force was followed only at magnet separations of greater than 2mm.
(12) Furthermore, the ratio of perforated to nonperforated synapses was increased by 45% or 40% in kindled rats relative to unstimulated or coulombic controls, respectively.
(13) We conclude that the general anesthetics, by increasing the motion of positively charged choline groups and negatively charged groups in protein, weaken the Coulomb-type interaction and cause the liprotein conformational changes.
(14) Proximity mapping and protein chemical studies of S-1 suggest that variation in the position at which actin is held results from the simultaneous operation of a continuing (S-1)-actin contact and a polyphosphate charge-modulated coulombic contact.
(15) Cyanoethenylation of the epsilon-amino groups of critical lysine residues in the "tail-piece" domains of neurofilament (NF) subunit proteins could disrupt the supramolecular coulombic interactions thought to contribute to maintenance of cytoskeletal caliber.
(16) The variations observed with pH and ionic strength can be primarily attributed to screened coulombic interactions.
(17) It is shown that its Fourier series expansion has a singularity for the V(0, 0, 0) component, which is important when comparing different compounds, or when using the Coulomb potential as a probe for reactivity.
(18) The difference between the affinities of 4-DAMP methobromide and carbo-4-DAMP indicates that the contribution of coulombic forces to the binding between 4-DAMP methiodide and muscarinic (M3) receptors is at least 17 kJ mol-1 (4.1 kcal mol-1) at 37 degrees C. How much this is an underestimate depends upon how much hydrophobic binding is greater with the uncharged compound.
(19) The coulomb is a single unit of charge while c is the velocity of light.
(20) The interaction is accordingly primarily, but probably not exclusively, coulombic in origin.