What's the difference between cracking and petroleum?

Cracking


Definition:

  • (p. pr. & vb. n.) of Crack

Example Sentences:

  • (1) They’re no crack force either; many are rather portly!
  • (2) While superheroes like “superman” (21st in SplashData’s 2014 rankings) and “batman” (24th) may be popular choices for passwords, the results if they are cracked could be anything other than super – and users will only have themselves to blame.
  • (3) However, we have observed cracks on the Dacron fibers, fiber fracture, fiber protrusion, and poor attachment to the diaphragm, which can cause potentially disastrous complications.
  • (4) But instead, he is going to crack under public anger over the huge amounts senior bankers have been paying themselves.
  • (5) It is found that, in contrast to most metallic materials yet in keeping with many ceramics, there are no distinct fracture morphologies in pyro-carbons which are characteristic of a specific mode of loading; fracture surfaces appear to be identical for both catastrophic and subcritical crack growth under either sustained or cyclic loading.
  • (6) Iowa senator Chuck Grassley, the Republican who chairs the Senate judiciary committee, introduced legislation on Tuesday that would crack down on jurisdictions that provide safe harbor for undocumented migrants by withholding some federal funding for state and local entities if they decline to cooperate with the government on the holding or transferring of undocumented migrants with criminal records.
  • (7) In a single letter in February 2005, Charles urged a badger cull to prevent the spread of bovine tuberculosis – damning opponents to the cull as “intellectually dishonest”; lobbied for his preferred person to be appointed to crack down on the mistreatment of farmers by supermarkets; proposed his own aide to brief Downing Street on the design of new hospitals; and urged Blair to tackle an EU directive limiting the use of herbal alternative medicines in the UK.
  • (8) On second impacts, the GSI rose considerably because the shell and liner of the DH-151 cracked and the suspension of the "141" stretched during the first blow.
  • (9) 9.18pm: The Ohio Democrat Dennis Kucinich has a crack, and he's taking no prisoners: "We've heard Mr Toyoda say that Toyota grew to fast.
  • (10) Here come the Dodgers for another crack at it in the second.
  • (11) That led to the second breakthrough, as the once formidable laws of omerta - silence punishable by death - cracked.
  • (12) The passengers were then flown to an Australian icebreaker, the Aurora Australis, which had cracked through ice floes and was now sailing towards Australia's Casey research base.
  • (13) SEM of the resulting surface showed rounded fragments of enamel rods, enamel melting, cracks, and smooth-edged voids.
  • (14) According to the NYPD commissioner, Bill Bratton, whose voice almost cracked with emotion as he addressed the media on Saturday evening , the “digital warning poster” featuring a picture of Brinsley and his whereabouts arrived at the data centre at 2.47pm.
  • (15) As subcritical crack velocities under cyclic loading were found to be many orders of magnitude faster than those measured under equivalent monotonic loads and to occur at typically 45% lower stress-intensity levels, cyclic fatigue in pyrolytic carbon-coated graphite is reasoned to be a vital consideration in the design and life-prediction procedures of prosthetic devices manufactured from this material.
  • (16) It is hence impossible to wiretap, intercept or crack the information transmitted through it,” Xinhua reported after Tuesday’s launch.
  • (17) He just never dreamed it would be life without parole.” Obama reduces sentences of 46 inmates convicted of nonviolent drug crimes Read more As his sister put it, Bennett “got caught up” in a five-man drug ring run by an old friend, John Hansley, to pay for his addiction to crack.
  • (18) Spencer has now heard that Andy, who got the boat remember, has been cracking on to Louise, even though Jamie warned him it would be like jumping into a polar bear's nest.
  • (19) "I urge both the monks and the lay Tibetans of the area not to do anything that might be used as a pretext by the local authorities to massively crack down on them.
  • (20) Of 26 patients treated to date, 16 have been crack cocaine users.

Petroleum


Definition:

  • (n.) Rock oil, mineral oil, or natural oil, a dark brown or greenish inflammable liquid, which, at certain points, exists in the upper strata of the earth, from whence it is pumped, or forced by pressure of the gas attending it. It consists of a complex mixture of various hydrocarbons, largely of the methane series, but may vary much in appearance, composition, and properties. It is refined by distillation, and the products include kerosene, benzine, gasoline, paraffin, etc.

Example Sentences:

  • (1) This paper reviews the epidemiologic studies of petroleum workers published in the English language, focusing on research pertaining to the petroleum industry, rather than the broader petrochemical industry.
  • (2) Case mothers were more likely to report occupational exposure to metals (odds ratio [OR] = 8.0, P = 0.01), petroleum products (OR = 3.7, P = 0.03), and paints or pigments (OR = 3.7, P = 0.05).
  • (3) Therefore, the presence on a refinery site of a carcinogen other than petroleum has not been ruled out, and further study is urged.
  • (4) Onerous new regulations could threaten the shale energy revolution, America’s role as a global energy superpower, and the dramatic reductions in CO2 emissions made possible by an abundant and affordable domestic supply of clean-burning natural gas,” Jack Gerrard, president of the American Petroleum Institute, said in a statement.
  • (5) In forest, removal of olfactory substances from the human skin, by vigorous washing and application of petroleum jelly, or by wearing impermeable clothing, greatly reduced the numbers of flies attracted.
  • (6) Likewise, greater occupational exposure to chemicals (paint, petroleum products, and unspecified chemicals) during pregnancy was found for mothers of patients (RR = 2.4, 95% CI = 1.2-4.6).
  • (7) Experimental controlled ecosystems have provided essential information about the fate of petroleum at sea.
  • (8) A proprietary insecticidal mulesing powder containing diazinon and an experimental liquid dressing based on eucalyptus oil, naphthalene, cresylic acid and chlorfenvinphos in a carrier of liquid hydrocarbons and petroleum oil were compared for their ability to promote wound healing and reduce the incidence of fly strike in freshly mulesed lambs.
  • (9) Extraction with petroleum ether-chloroform-phenol yielded a protein fraction free of detectable lipopolysaccharide, in which group 3 OMPs (28,500 apparent molecular weight [28.5K], 27.0K, and 25.5K) represented 81% of the total.
  • (10) Interestingly, however, various fractions--especially those extracted by organic solvents such as petroleum ether, hexane, and chloroform, as well as some purified compounds from these plants--could strongly inhibit the mutagenicity of aflatoxin B1 (AFB1), an indirect mutagen, when tested in the presence of S-9 mix but not that of 2-(2-furyl)-3-(5-nitro-2-furyl)acrylamide (AF-2), which does not require metabolic activation for its mutagenicity.
  • (11) BP would need to bring equipment from Texas to contain South Australia oil spill Read more BP plans to drill the first of four exploratory wells off the South Australian coast next year and submitted an environmental plan (pdf) for approval to the National Offshore Petroleum Safety and Environmental Management Authority last week.
  • (12) The nature of organic substance appearing in the petroleum stratum is discussed.
  • (13) In this chapter the authors examine the toxicologic and epidemiologic literature for a broad range of petroleum-derived products in order to assess the carcinogenic potential of these compounds.
  • (14) Unlike aspiration pneumonitis, which follows petroleum distillate ingestion, chemical pneumonitis from pine oil cleaner may occur from gastrointestinal absorption of pine oil and deposition in lung tissue.
  • (15) Mutagenicity, polynuclear aromatic compound content, and skin carcinogenicity were compared for a series of complex oil mixtures derived from the refining and processing of petroleum.
  • (16) Serum samples were extracted with petroleum ether following precipitation of proteins with ethanol.
  • (17) BP credit rating downgraded after Tony Hayward's grilling by Congress 19 June One of BP's partners, Anadarko Petroleum, refuses to accept any responsibility for the Deepwater Horizon explosion despite owning a quarter of the well.
  • (18) In the past, the Saudis have encouraged Opec (Organisation of the Petroleum Exporting Countries) to reduce its output targets during periods of low oil prices.
  • (19) We report the case of a child who sustained partial thickness burns from a garlic-petroleum jelly plaster, which had been applied at the direction of a naturopathic physician.
  • (20) The extraction of carotenes with petroleum ether under the same conditions does not change the electrophoretic mobility of the chlorophyll-protein complexes.