What's the difference between petrol and tetrol?

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.

Tetrol


Definition:

  • (n.) A hypothetical hydrocarbon, C4H4, analogous to benzene; -- so called from the four carbon atoms in the molecule.

Example Sentences:

  • (1) The amount of administered tetrol recovered unchanged ranged from 1 to 88%.
  • (2) Studies were designed to elucidate the origin of estetrol (15alpha-hydroxyestriol (estra-1,3,5(10)triene-3,15alpha,17beta-tetrol) or E4) during late human pregnancy.
  • (3) To improve the identification of the DNA adducts formed, an acid hydrolysis technique was used to convert the BPD- and anti-BPDE-deoxyribonucleoside adducts formed in mouse and rat skin to BP tetrols.
  • (4) Four substances from the urine of a hypertensive newborn girl were partially characterized and shown to be 17alpha-hydroxy-5beta-pregnane-1,3,20-trione, 3alpha,17alpha-dihydroxy-5beta-pregnane-1,20-dione, 3alpha,17alpha,20alpha-trihydroxy-5beta-pregnan-1-one and 5beta-pregnane-1beta,3alpha,17alpha,20alpha-tetrol.
  • (5) The 5beta-[24-14C]cholestane-3alpha, 7alpha, 25-triol was hydroxylated in the liver at the 12alpha position to yield the corresponding 5beta-cholestane-3alpha, 7alpha, 12alpha, 25-tetrol.
  • (6) The major ethylacetate extractable metabolites of BP formed by peripheral lung were tetrols and trans-7,8-diol.
  • (7) and mass-spectral examination of which suggested the structure 5alpha-cholane-3alpha,7alpha,12alpha,24-tetrol.
  • (8) The following materials were obtained by this method: 5 alpha-anhydrocyprinol, 5 alpha-cholestane-3 alpha,7 alpha,12 alpha,25-tetrol, 5 alpha-cholestane 3 alpha,7 alpha,12 alpha,26-tetrol, an unidentified sterol from the neutral lipid fraction, allocholic acid and allochenodeoxycholic acid from the bile acid fraction.
  • (9) The major metabolite in all incubations was very similar, but not identical, in chemical and chromatographic properties to 5 beta-pregnane-3 alpha, 6 alpha, 17,20 beta-tetrol.
  • (10) Thus, this study indicates that 5 beta-cholestane-3 alpha, 7 alpha, 12 alpha, 25-tetrol is an inefficient substrate for cholic acid biosynthesis in man and that the major route of cholic acid synthesis probably involves the 26-hydroxylated intermediate.
  • (11) Small amounts of the sulphate conjugate, 9-hydroxy-benzo[a]pyrene and the tetrols were also detected.
  • (12) We have evaluated both electron ionization (EI) and negative-ion chemical ionization (NICI) methods for the analysis of trimethylsilyl derivatives of a series of polycyclic aromatic hydrocarbon (PAH) alcohols including styrene diol, benzo[e]pyrene diol and tetrols, cyclopenta[c,d]pyrene diols, benzo[a]pyrene-4,5-diols, chrysene tetrols, benz[a]anthracene tetrols I and II, and syn- and anti-benzo[a]pyrene tetrols.
  • (13) The structure of tetrol 4 was confirmed by X-ray diffraction.
  • (14) The main toxin of both species was identified by mass spectrometric and nuclear magnetic resonance analyses as the 2,2'-bipyridine-3,3',4,4'-tetrol-1,1'-dioxide, which is identical to orellanine.
  • (15) A major metabolite, present in all three fractions, was tentatively identified as 5 alpha-pregnane-3 beta,7 alpha,17,20 beta-tetrol.
  • (16) The percentage of 20 beta-epimers of 3 alpha, 17 alpha, 20-trihydroxy-5 beta-pregnan-11-one, 5 beta-pregnane-3 alpha, 11 beta, 17 alpha, 20-tetrol (in the normotensive CAH, PVS and POS) and 5 alpha- or 5 beta-pregnane-3 alpha, 17 alpha, 20, 21-tetrol (in the hypertensive CAH) varied from nil to 76%.
  • (17) The assay for BaP-globin adducts was based on the release of tetrahydroxy-BaP (BaP-tetrols) from globin by mild acid hydrolysis.
  • (18) BaP-tetrol levels were measured in rats dosed intraperitoneally with 242, 71 and 24 mumol BaP kg-1 body weight in corn oil.
  • (19) The structure of clinopodiside A was elucidated by spectroscopic and X-ray diffraction analysis as 3-O-beta-D-glucopyranosyl (1----6)-[beta-D-glucopyranosyl (1----4)]-beta-D-glucopyranosyl-olean-11, 13 (18)-diene-3 beta, 16 beta, 23, 28-tetrol.
  • (20) BP-tetrols were detected in extracts from 8 placentas: 5 of 7 from smokers and 3 of 9 from nonsmokers.

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