(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.
Microampere
Definition:
(n.) One of the smaller measures of electrical currents; the millionth part of one ampere.
Example Sentences:
(1) In order to identify their characteristics, specific conductivity of tissues in the BAP area was measured (in microamperes) by an Elita 4-PEP unit equipped with a silver probe.
(2) Micropolarization of the dorsal hippocampus field CA-3 with a 2.5 microampere current lengthened the action of the neurotropic drugs, up to six hours in the case of ethimyzol.
(3) They were divided into three groups: Group I was electrically stimulated with a constant direct current of 20 microamperes delivered to the fracture site; Group II was the control group having the same protocol as Group I except that the stimulator was not switched on; and Group III was the normal fracture healing group (no introduction of electrodes to the fracture site).
(4) Danger of microampere electrocution via artificial kidneys is emphasized.
(5) Constant direct current of ten to twenty microamperes was applied to twenty-four non-unions and five congenital pseudarthroses.
(6) Injected oocytes had large ACh-induced currents in the microampere range that were insensitive to alpha-bungarotoxin, as expected for neuronal nAChRs.
(7) The yield is 6 mCi per microampere of saturated bombardment, measured at the end of synthesis.
(8) The cathodal OFF response in electric taste, the production of a taste sensation at the break of a microampere cathodal current passed through the tongue, was studied electrophysiologically in the rat chorda tympani nerve.
(9) To investigate the effect of a constant direct electrical current on the mineral deposition in an experimental osseous defect, 8 microamperes of current were applied across a circular osteotomy placed in the lateral cortex of an avian metatarsus.
(10) Experiments concerning electrical safety show that in the worst failure case, the energy of the marking system released within the heart is less than 10(-9) J per pulse within the pacing frequency spectrum and the current was below 50 microamperes.
(11) This system utilizes intraventricular electrical impedance measurements of injected microampere currents to determine intracavitary volume changes.
(12) The authors have studied the effects of a 20 microampere current applied to bone in rabbits and dogs.
(13) Based on the above principles, a clinical study was performed in which 10-20 microamperes of constant direct current was used in treating nonunion in 57 patients.
(14) All of the cells can deliver pulses of up to 2.0 amps from a microampere background.
(15) The new technique consists of 1) electrical stimulation of the tibial periosteum with 20 microamperes for five weeks, and then 2) ESP transplantation into a titanium mesh tray placed in the mandibulectomized region.
(16) In tests on 96 cells at a 6.4 milliampere (ma) discharge, recharging once every 15 months of simulated pacing at a 25 microampere (mua) drain, the earliest cell failure occurred after an equivalent of 50 years of pacing.
(17) The issue of chassis leakage currents flowing through areas on the surfaces of patients' bodies is again being discussed, probably because of increasing acceptance of International Electrotechnical Commission (IEC) Standard 601-1, the use of more instruments with computational capability but with generally higher chassis leakage currents at the bedside, the absence of evidence that the 500-microampere chassis current limitation of IEC 601-1 has been harmful, and the lack of data to substantiate the lower limit currently applied in the United States.
(18) One tibia in each animal received three to 15 microamperes constant direct current for 21 days.
(19) If one eliminates 9 cases of congenital pseudoarthrosis and 11 patients treated with only 10 microamperes of current, 70 of 87 patients (8095%) healed.
(20) Electrical stimulation of fracture healing was carried out in 40 patients with a direct current of 10 or 20 microamperes delivered through a platinum electrode.