(n.) The complex mixture of volatile, liquid, inflammable hydrocarbons, occurring naturally, and usually called crude petroleum, mineral oil, or rock oil. Specifically: That portion of the distillate obtained in the refinement of petroleum which is intermediate between the lighter gasoline and the heavier benzine, and has a specific gravity of about 0.7, -- used as a solvent for varnishes, as a carburetant, illuminant, etc.
(n.) One of several volatile inflammable liquids obtained by the distillation of certain carbonaceous materials and resembling the naphtha from petroleum; as, Boghead naphtha, from Boghead coal (obtained at Boghead, Scotland); crude naphtha, or light oil, from coal tar; wood naphtha, from wood, etc.
Example Sentences:
(1) Acute toxicity studies using rats and rabbits compared the effects of naphtha, Jet-A, JP-4, diesel and "residual" distillate fractions of both petroleum derived crude oils and hydrotreated shale oil.
(2) A program was initiated to assess the toxicological properties of high-flash aromatic naphtha since there may be human exposure through inhalation or external body contact.
(3) The acute toxicity of three materials derived from Athabasca Oil Sands--(1) bitumen plus naphtha, (2) untreated naphtha (0-250 degrees C) and (3) synthetic crude oil (0-500 degrees C)--was assessed in a battery of tests.
(4) Three toddlers mis-swallowed a mouth of cleaning naphtha accidentally.
(5) It is concluded that chronic exposure to this high aromatic naphtha is without systemic toxicity in rats under the conditions of these studies.
(6) Inhalation studies were conducted to assess the subacute and subchronic toxicity of EDS hydrotreated naphtha (HN).
(7) Bitumen plus naphtha administered at a concentration of 1.46 mg l-1 did not cause mortality in exposed rats or mice.
(8) There was little evidence that inhalation exposure to EDS hydrotreated naphtha adversely affected reproductive performance or fetal development in Sprague-Dawley rats.
(9) A unique opportunity was presented to observe the potentially toxic effects of an acute exposure to the vapors of petroleum naphtha distillate on a relatively large number of individuals.
(10) An amount of 5 g of naphtha or fuel oil is diluted to 10 ml with dichloromethane and spiked with a small quantity (ca.
(11) In addition, the nephrotoxic activity observed with the naphtha streams and distillation fraction correlated well with the proportion of branched alkanes contained in each.
(12) A synthetic crude oil, prepared by blending naphtha and light and heavy gas oils, was moderately carcinogenic; however, the activity of this sample fell within the range of values obtained in studies of crude petroleum samples.
(13) One such application is a mixture of predominantly 9-carbon aromatic molecules (C9 aromatics, primarily isomers of ethyltoluene and trimethylbenzene), which is removed and used as a solvent--high-flash aromatic naphtha.
(14) Industrial hygiene measurements showed low-level airborne exposures to organic solvents (primarily naphthas) and minimal airborne exposure to glycol ethers.
(15) One such application is a mixture of predominantly 9-carbon aromatic molecules (C9 aromatics, primarily isomers of ethyltoluene and trimethylbenzene), which is removed and used as a solvent--High Flash Aromatic Naphtha.
(16) 5-Isothiocyanato-1,3-dioxo-2-p-tolyl-2,3-dihydro-1H-benz[de]isoquinoline (= 5-isothio-cyanato-1,8-naphthalenedicarbox-4-methylphenylimide, compd.5) was synthesized from 1H,3H-naphtho(1,8-cd)pyran-1,3-dione (= 1,8-naphtha-lenedicarboxylic anhydride, compd.1) through nitration, condensation with p-toluidine, reduction with tin(II)-chloride yielding 5-amino-1,3-dioxo-2-p-tolyl-2,3-dihydro-1H-benz(de)isoquino-line (4) as intermediate, and condensation with thiophosgene.
(17) Untreated naphtha administered at a concentration of 10.6 mg l-1 was lethal to essentially all of the mice; but only two rats died.
(18) Cleaning naphtha, a product of Chinese Petroleum Corporation, is a complex hydrocarbon mixture which contains mainly aliphatic hydrocarbons.
(19) The central nervous system depression described in acute exposure cases of the intact (not distillate) petroleum naphtha fumes was not observed in any of this series.
(20) The study population included 59 women who had been exposed to petroleum naphtha and toluene and 24 age-matched control women.
Petrol
Definition:
(n.) Petroleum.
Example Sentences:
(1) He gets Lyme disease , he dates indie girls and strippers; he lives in disused warehouses and crappy flats with weirded-out flatmates who want to set him on fire and buy the petrol to do so.
(2) Here petrol is practically a free gift,” Arias said.
(3) Tipping petrol on a fire isn’t going to get the heat out of it,” he told ABC radio.
(4) The closest town of any size is Burns, population 2,806, where you should stock up on petrol, food and water before heading south into the wilderness on the 66-mile Steens Mountain Backcountry Byway.
(5) Tesco, the UK’s biggest petrol retailer with 499 outlets and more than 16% market share, cut petrol and diesel by 1p a litre at all of its petrol stations from lunchtime on Thursday.
(6) While demand in the US remains sluggish, Toyota has benefited at home from a revival in demand for its Prius petrol-electric hybrid, Japan's best-selling passenger car for the past five months.
(7) He reduced the standard rate to 8%, but introduced a higher rate of 12.5% for petrol and some luxury goods, doubling the upper rate later that year to 25% before lowering it in 1976.
(8) Shell, along with other oil companies, has been cleared by the Office of Fair Trading of profiteering on the UK petrol forecourt, but the $27bn annual earnings figure underlines the enormous global profits being made "upstream" – bringing oil and gas out of the ground.
(9) That is 3.1% over the year and today's figures show that Britain is coming back ... For the first time in a decade all three main sectors of the economy have grown by at least 3% in the past year," he said in answer to a question about the price of petrol.
(10) The Unite union, which represents petrol tanker drivers, said there was no threat of a strike over the Easter period and it was focused on talks through the conciliation service Acas.
(11) Petrol car registrations rose by 3.4%, while diesel vehicles saw a slight 0.6% decline in registrations.
(12) Supporters of all parties want more action to cut the cost of petrol.
(13) He not only wouldn’t increase tax on petrol, he gave extra help to those extracting fossil fuel.
(14) This tends to push buyers behind the wheel of a diesel, which usually produces less CO2 than an equivalent petrol.
(15) But anyone who dreams that Germany’s warmth provides more than a sticking plaster to Europe’s migration crisis should have seen the scene half a mile south of the petrol station on Sunday.
(16) Customers posting on Twitter reported having their cards refused in shops, petrol stations and restaurants, as well as not being able to see their balances or withdraw cash at the bank's ATMs.
(17) It was the highest level in more than two years, driven higher by clothing and petrol prices, in a sign that the fall in the value of the pound since the Brexit vote is fuelling a rise in the cost of living.
(18) But the task remains to move the country's remaining fossil fuel-dependent sectors to clean technology: Iceland's fishing fleet, cars and buses, which run on oil and petrol, ironically make the country one of the highest per head greenhouse gas emitters in Europe .
(19) Insecurity has led to panic buying of fuel, with long, chaotic queues at petrol stations.
(20) An attempt to contain juvenile petrol abuse at Elcho Island in the Northern Territory of Australia is described.