(n.) The hollow bed where a stream of water runs or may run.
(n.) The deeper part of a river, harbor, strait, etc., where the main current flows, or which affords the best and safest passage for vessels.
(n.) A strait, or narrow sea, between two portions of lands; as, the British Channel.
(n.) That through which anything passes; means of passing, conveying, or transmitting; as, the news was conveyed to us by different channels.
(n.) A gutter; a groove, as in a fluted column.
(n.) Flat ledges of heavy plank bolted edgewise to the outside of a vessel, to increase the spread of the shrouds and carry them clear of the bulwarks.
(v. t.) To form a channel in; to cut or wear a channel or channels in; to groove.
(v. t.) To course through or over, as in a channel.
Example Sentences:
(1) These channels may, at least in some cases, be responsible for the generation of pacemaker depolarizations, thereby regulating firing behaviour.
(2) The influence of the various concepts for the induction of lateral structure formation in lipid membranes on integral functional units like ionophores is demonstrated by analysing the single channel current fluctuations of gramicidin in bimolecular lipid membranes.
(3) RNAs encoding a wild-type (RBK1) and a mutant (RBK1(Y379V,V381T); RBK1*) subunit of voltage-dependent potassium channels were injected into Xenopus oocytes.
(4) The dramas are part of the BBC2 controller Janice Hadlow's plans for her "unashamedly intelligent" channel over the coming months.
(5) This was unlike the action of the calcium channel blocker, cadmium, which reduced the calcium action potential and the a.h.p.
(6) Circuitry has been developed to feed the output of an ear densitogram pickup into one channel of a two-channel Holter monitor.
(7) It is concluded the decrease in cellular volume associated with substitution of serosal gluconate for Cl results in a loss of highly specific Ba2+-sensitive K+ conductance channels from the basolateral plasma membrane.
(8) Stimulation of atrial H1-receptors is suggested to directly cause an increase in Ca-channel conductance independent of intracellular cAMP content.
(9) Similarly, 50 microM D-600, a Ca+2 channel antagonist, significantly (P less than 0.01) reduced basal and 5-HETE-induced PRL release.
(10) The purpose of the present study was to analyze the effects of cromakalim (BRL 34915), a potent drug from a new class of drugs characterized as "K+ channel openers", on the electrical activity of human skeletal muscle.
(11) This promotion of repetitive activity by the introduction of additional potassium channels occurred up to an "optimal" value beyond which a further increase in paranodal potassium permeability narrowed the range of currents with a repetitive response.
(12) Channel activation persists through the process of platelet isolation and washing and is manifested in higher measured values of [Ca2+]cyt and [Ca2+]dt in the "resting state."
(13) At 100 microM-ACh the apparent open time became shorter probably due to channel blockade by ACh molecules.
(14) The effects of low doses of dihydropyridine (DHP) calcium channel antagonists nimodipine, nifedipine, (-)-R-202-791, and amlodipine, the DHP calcium channel agonist BAY K 8644 were investigated on clonic convulsions to pentylenetetrazole (PTZ) in mice.
(15) The following model is suggested: exogenous ATP interacts with a membrane receptor in the presence of Ca2+, a cascade of events occurs which mobilizes intracellular calcium, thereby increasing the cytosolic free Ca2+ concentration which consequently opens the calcium-activated K+ channels, which then leads to a change in membrane potential.
(16) SDS-PAGE analysis of the immunoprecipitates under reducing conditions revealed that the cardiac channel is mainly composed of two large polypeptides of 190 and 150 kDa, and five smaller polypeptides of 60, 55, 35, 30, and 25 kDa.
(17) In the presence of high external Cl, a component of outward current that was inhibited by the anion channel blocker diphenylamine-2-carboxylate (DPC) appeared in 70% of the cells.
(18) In vitro studies in cardiac Purkinje fibers suggested that reversal of amitriptyline-induced cardiac membrane effects by sodium bicarbonate may be attributed not only to alkalinization but also to increased in extracellular sodium concentration, diminishing the local anesthetic action of amitriptyline and resulting in less sodium channel block.
(19) The Ca2+ channel current recorded under identical conditions in rat dorsal root ganglion neurones was less sensitive to blockade by PCP (IC50, 90 microM).
(20) In voltage-clamp experiments the ion current flowing through the channels was homogeneous indicating a defined conformation and a uniform size.
Turbine
Definition:
(n.) A water wheel, commonly horizontal, variously constructed, but usually having a series of curved floats or buckets, against which the water acts by its impulse or reaction in flowing either outward from a central chamber, inward from an external casing, or from above downward, etc.; -- also called turbine wheel.
Example Sentences:
(1) Virus replication in nasal turbinates was not diminished while infection in the lung was suppressed sufficiently for the infected mice to survive the infection.
(2) Delabole residents Susan and John Theobald said: “We’ve always enjoyed being around the turbines and have often walked right up to them with our dogs.
(3) The workforce has changed dramatically since 1900 – just 29,000 Americans today work in fishing and the number of job titles tracked by the Bureau of Labor Statistics has grown to almost 600 – everything from “animal trainers” to “wind turbine service technicians” (and there are even more sub categories).
(4) The scheme is available to those who have one or more of the following technologies: solar PV panels (roof-mounted or stand alone), wind turbines (building mounted or free standing), hydroelectricity, anaerobic digestion (generating electricity from food waste), and micro combined heat and power (through the use of new types of boilers , for example).
(5) One in four British homes could be fitted with solar heating equipment and 3,500 wind turbines could be erected across Britain within 12 years as part of a green energy revolution to be proposed by the government next week.
(6) Water forms a substantial part of aerosol particles formed during preparation with turbin equipment.
(7) The selection of diamond-coates whetstones manufactured by Chirana for turbine drills is extended at present by two new types of toods with a different size of diamond particles.
(8) If REpower had waited until it had secured planning permission for the windfarms before it began building the turbine factory, permission would have lapsed before it had had time to supply the turbines.
(9) Although it is the world's biggest CO2 emitter and notorious for building the equivalent of a 400MW coal-fired power station every three days, it is also erecting 36 wind turbines a day and building a robust new electricity grid to send this power thousands of miles across the country from the deserts of the west to the cities of the east.
(10) The owners of a wind turbine factory on the Isle of Wight won a repossession order today in their attempt to end an occupation of the plant by workers protesting at planned job losses.
(11) The replication of these viruses in infant-rat turbinates and lungs was also studied; virus concentrations in turbinate tissues 48 h after infection showed a close correlation with virulence for man.
(12) An air turbine drill will remove methylmethacrylate from the medullary canal of the proximal femur in cases of failed total hip replacement and from the distal femur in cases of failed long stem total knee replacement.
(13) ENT examination revealed a necrotic lesion of the right middle turbinate which on histology was diagnosed as acute purulent rhinitis without granuloma or vasculitis.
(14) Some costs could be lower for floating turbines, however.
(15) Radioactivity was widely distributed to all tissues examined, with the respiratory tract (lung, trachea, larynx, and nasal turbinates), upper gastrointestinal tract (stomach and small intestine), the liver, and the adrenals containing the highest concentrations of [14C]DBC equivalents within 1 hr after exposure.
(16) In the majority of cases, the level of acetylcholinesterase fell with the appearance of congestion and rose when the turbinates returned to normal.
(17) Turbinate atrophy was quantified by measuring the length of the osseous core of the ventral turbinates.
(18) The Dutch are famous for their windmills, which have formed the basis for the design of the modern wind turbines that we see today.
(19) Like his wind turbine though, discreetly taken down some months later, many people are now concluding that Cameron's promise to lead the " greenest government ever " was little more than a fraudulent gimmick, a PR stunt from a man schooled in the PR industry.
(20) The distribution of B lymphocytes and immunoglobulins G, A, M, and E in nasal mucosa was studied in frozen biopsy sections of nasal turbinate from 16 allergic patients and 8 controls.