(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.
Dredging
Definition:
(p. pr. & vb. n.) of Dredge
Example Sentences:
(1) If Queensland goes ahead and develops and dredges Abbot Point, it may all be for nothing.
(2) The previous government advanced five major dredge projects involving dumping in the marine park,” he said.
(3) Documents obtained under freedom of information reveal huge uncertainty over the investment needed to maintain water quality following dredging to expand the Abbot Point port, north of Bowen in Queensland.
(4) A recent study suggests that coral disease is doubled when dredging occurs near reefs, although supporters of the dredging have repeatedly insisted it can be done safely and that the Abbot Point sediment will be dumped around 40km from the nearest reef.
(5) They want to send a very clear message to China that they are serious about this.” Facebook Twitter Pinterest This image from the US navy purportedly shows Chinese dredging vessels in the waters around Mischief reef in the disputed Spratly archipelago in May 2015.
(6) In ongoing lawsuits objecting to the island reclamation scheme , the Jakarta Legal Aid association has argued these new islands are occupying traditional fishing grounds, while the sediment and dredging work have driven away fish from the remaining waters.
(7) Dredging creates turbidity in the water that reduces the amount of light reaching the coral, affecting photosynthesis, while silt that settles on the coral interferes with its ability to feed itself.
(8) | Howard W French Read more In the South China Sea, China has, by massive dredging operations, turned submerged reefs with names out of the novels of Joseph Conrad – Mischief Reef, Fiery Cross Reef – into artificial islands, and is completing a 3,000m runway on Fiery Cross.
(9) Dover Harbour Board has applied for a licence to dredge Goodwin Sands, which had been proposed as a marine conservation zone, for aggregate to be used in the expansion and development of Dover port.
(10) We would like to see the dredging – if it does take place – it doesn’t take place in important times in seal biology.
(11) However, a local campaign called Save Our Sands has been established in an attempt to stop the dredging from happening, and has gathered more than 5,500 signatures on an online petition to prevent it.
(12) Barton rubs Old Firm up the wrong way Joey Barton apologises ‘unreservedly’ after being sent home by Rangers Read more The phrase “Joey Barton Twitter storm” is pretty much a tautology, so it was no surprise that his decision to sign for Rangers in May had social media in a kerfuffle when his 2012 tweet – “I am a Celtic fan” – was dredged up so that it might be subject to calm and sober scrutiny from all concerned.
(13) So let's end the simplistic nonsense that leads us to focus only on concrete defences and destructive dredging, and instead take what is ultimately a more rational and integrated approach.
(14) It exacerbates an environment of disaffection and disempowerment and does nothing but isolate the very community that best understands these challenges.” Race relations have reached a low ebb following the release of the government’s anti-terrorism laws, which many Muslims say have dredged up Islamophobia in the community by equating terrorism with Islam.
(15) Rooke said dredging was part of the solution, "but not the whole solution".
(16) Using satellite imagery, researchers could map the areas of coral covered by plumes of sediment released by the dredging process.
(17) In between taking up the rice harvest and dredging his irrigation canals, however, he must contemplate a new threat to his family and livelihood, one that may well prove more deadly than any of Egypt's previous invaders.
(18) The site, called Reef Facts , addresses the contentious decision to allow the dredging and dumping of 5m tonnes of seabed sediment within the Great Barrier Reef marine park in order to expand the Abbot Point port.
(19) However, the Whale and Dolphin Conservation Society said electronic pingers could already be used under current EU nature laws, which also protect porpoises from trawling, dredging, pile driving and noise from military sonars.
(20) The case has dredged up painful memories for other victims of child abuse, who are now also coming forward in their hundreds to seek counselling.