(n.) The rising from the ground, or beginning, of a stream of water or the like; a spring; a fountain.
(n.) That from which anything comes forth, regarded as its cause or origin; the person from whom anything originates; first cause.
Example Sentences:
(1) Manometric studies with resting cells obtained by growth on each of these sulfur sources yielded net oxygen uptake for all substrates except sulfite and dithionate.
(2) This would disrupt and prevent Isis from maintaining stable and reliable sources of income.
(3) A diplomatic source said the killing appeared particularly unusual because of Farooq lack of recent political activity: "He was lying low in the past two years.
(4) Pokeweed mitogen-stimulated rat spleen cells were identified as a reliable source of rat burst-promoting activity (PBA), which permitted development of a reproducible assay for rat bone marrow erythroid burst-forming units (BFU-E).
(5) The direct monocyte source is not sufficient to insure the stability of this population.
(6) Four patients with acute brucellosis are described, none of whom had any connexion with farming or milk industry, the source of infection being different in each case.
(7) No correlation between volatile make up and geography was found, but the profiling procedures are shown to be of use in the forensic problem of relating samples to a common source.
(8) The company, part of the John Lewis Partnership, now sources all its beef from the UK, including in its ready meals, sandwiches and fresh mince.
(9) Thirty-two strains of pectin-fermenting rumen bacteria were isolated from bovine rumen contents in a rumen fluid medium which contained pectin as the only added energy source.
(10) These spectra show marked differences between sources.
(11) This capacity is expressed during incubation of the bacteria with the substrate and needs a source of carbon and other energy metabolites.
(12) A 45-year-old mother of four, named as Hediye Sen, was killed during clashes in Cizre, while a 70-year-old died of a heart attack during fighting in Silopi, according to hospital sources.
(13) A Monte Carlo simulation was performed to characterize the spatial and energy distribution of bremsstrahlung radiation from beta point sources important to radioimmunotherapy (RIT).
(14) Former detectives had dug out damning evidence of abuse, as well as testimony from officers recommending prosecution, sources said.
(15) The antigenic composition of an extract of rat dust, as a source of aeroallergens for rat-sensitive individuals, has been investigated and compared to the antigenic composition of rat saliva and urine.
(16) Furthermore, the analyses indicated an important interplay between environmental sources and social factors in the determination of hand lead and blood lead levels in very young children.
(17) An accurate and reproducible method is described for generating a map of the cobalt sheet source from images of it made in multiple positions with the scintillation camera.
(18) Biosyntheses of TXA2 and PGI2 were carried out using arachidonic acid as a substrate and horse platelet and aorta microsomes as sources of TXA2 and PGI2 synthetases respectively.
(19) In certain cases, the effects of these substances are enhanced, in others, they are inhibited by compounds that were isolated from natural sources or prepared by chemical synthesis.
(20) Lysates of lymphoblastoid cells provided the antigen source which were visualized by sodium dodecyl sulfate polyacrylamide gel electrophoresis.
Wellhead
Definition:
(n.) A source, spring, or fountain.
Example Sentences:
(1) Barack Obama's investigation hears of 'friction' 13 July BP successfully installs a new, more tightly fitting containment cap on the ruptured wellhead.
(2) The blowout preventer, which failed to stem the flow of oil when the wellhead erupted and is widely used throughout the industry, is likely to be declared not fit for purpose, he added.
(3) Some experts who have studied video footage of the oil spewing from the wellhead have estimated the rate of spillage at up to 13m litres a day – 14 times greater than BP's figure.
(4) A nation’s eyes rolled when Ian Cumming, another of this season’s finalists, declared that he was baking with eggs laid by his own guinea fowl: of course he fashioned his own device to cut lady fingers to precisely 9cm long; of course it was he who constructed a wellhead from tempered chocolate with a bucket that drew a lemon-flavoured, white chocolate drink from its depths.
(5) Wellheads were being destroyed, because they could not maintain pressure.
(6) From the wellhead to the swing set was 536ft.” Facebook Twitter Pinterest A billboard urges voters to back the ban.
(7) "It can take only three weeks to drill a well in the US and then everything is taken off site, leaving a wellhead as small as a desktop.
(8) Admiral Thad Allen, who is in charge of the US government's response, has written to BP demanding answers to "undetermined anomalies at the wellhead".
(9) The majority of the total, according to the company, was lost through two incidents – one in which thieves damaged a wellhead at its Odidi field, and another where militants bombed the Trans Escravos pipeline.
(10) A tall hedge can hide a wellhead, according to Francis Egan, chief executive of Cuadrilla, who calculates hundreds of wells will be required.