What's the difference between tar and tarn?

Tar


Definition:

  • (n.) A sailor; a seaman.
  • (n.) A thick, black, viscous liquid obtained by the distillation of wood, coal, etc., and having a varied composition according to the temperature and material employed in obtaining it.
  • (v. t.) To smear with tar, or as with tar; as, to tar ropes; to tar cloth.

Example Sentences:

  • (1) With the exception of PMMA and PTFE, all plastics leave a very heavy tar- and soot deposit after burning.
  • (2) Utilizing the bilateral comparison technique in 30 hospitalized patients with chronic stable plaque-type psoriasis vulgaris, we closely monitored the clinical responses to ultraviolet radiation (Westinghouse fluorescent FS40 bulbs, 290--400 nm) and a variety of tar preparations and lubricant vehicles in combination and separately.
  • (3) It seems that the addition of liquid tar elevates the reaction threshold to dithranol in hypersensitive patients with psoriasis.
  • (4) We now present evidence that such a decrease in amounts of P68 could be essential for HIV-1 replication because of the presence of the Tat-responsive sequence (TAR sequence) present in the 5' untranslated region of HIV-1 mRNAs, which activates the P68 kinase.
  • (5) We conclude that there appears to be no benefit from exceeding a concentration of 5% crude coal tar in yellow soft paraffin in the treatment of patients with psoriasis and that the plateau in the dose-response curve for the action of crude coal tar in psoriasis begins at a point between 1 and 5%.
  • (6) Purified tat binds specifically to HIV-1 trans-activation-responsive region (TAR) RNA in gel-retardation, filter-binding, and immunoprecipitation assays.
  • (7) benj67 asks: How do you continue to justify continued your role in financing the Canadian tar sands, arguably a greater crime than the Libor scandal?
  • (8) Hansen has been an outspoken critic of tar sands, saying last year "it will be game over for the climate if development of the oil sands isn't stopped".
  • (9) In contrast, erythroid and myeloid colony growth from the TAR infant's marrow cells was preserved.
  • (10) Finally, by 6 min of heavy exercise at 8 mph 20% grade, Tar increased 2 degrees C (P less than 0.05) while Tre increased 0.5 degree C (P less than 0.05).
  • (11) Hydroxylamine mutagenesis was used to alter the tar gene that encodes the transmembrane Tar protein required for chemotaxis.
  • (12) A previously described smoking apparatus (20) was used for measurement of puff volume and inhaled tar.
  • (13) Again, tat protected TAR RNA from RNase A cleavage at both U23 and U31.
  • (14) Since its 2013 announcement, a key aim of TTIP has been to destroy regulations that prevent high-polluting tar sand crude oil from entering Europe.
  • (15) TARS-1 and TART-1 but not TARL-2 were transplantable into newborn syngeneic rats and nude mice.
  • (16) Both the occupational and in particular the therapeutic exposure to coal tar resulted in clear increases in urinary levels of PAH metabolites as compared to unexposed subjects.
  • (17) During the remission period the patients were advised to use a tar preparation or topical corticosteroids in the event of minor exacerbations.
  • (18) Biological studies have demonstrated that concentrated extract of tars from combustion of shale oil are carcingenic to the skin of mice.
  • (19) Beech tar, in a concentration of 5% induced a 19% increase in orthokeratosis.
  • (20) For the study reported in the present investigation these data have been augmented by estimates of past workplace exposure to total tar (benzene-soluble matter) and to benzo-a-pyrene (BaP).

Tarn


Definition:

  • (n.) A mountain lake or pool.

Example Sentences:

  • (1) Similarly, increases in HK activity were seen in sADN-tARN rats in all the above structures except MS, Nc, and DMH, where no changes were observed, and dArc, where an increase in HK activity was noted.
  • (2) This unexpected result was followed by the more surprising finding that the incidence of resistance was even higher in the bacterial populations of two remote upland tarns.
  • (3) Sticking to low levels, you meander along tracks, paths and across pretty bridges while admiring the peaks and scattering of mountain lakes, known as tarns.
  • (4) It is hoped the animals will recolonise the tarn and its surrounding streams, and play an important part in the ecosystem, grazing and burrowing into areas of the riverbank and allowing rare plants to grow, including mosses and liverworts that need patches of open habitat.
  • (5) This study was based on the examination of 26,374 salaried adult patients during a 12 months period in the Tarn-et-Garonne Regional Industrial Medecine Service.
  • (6) Little Molas Lake Campground, San Juan national forest People flock to Little Molas ostensibly for its proximity to Andrews Lake, a high-altitude tarn stocked with rainbow and brook trout.
  • (7) +33 4 6743 8734, lesdemoisellesdupuy.fr brightsue Les Chalets du Tarn, Réquista Before you've pitched your tent at this campsite, the friendly owner invites you to dine.
  • (8) Britain’s endangered water voles will reach new heights when they are returned to Yorkshire’s Malham tarn for the first time in 50 years.
  • (9) As a child, my parents would often take me on treks among the ethereal alpine forests of Tasmania’s central highlands; where ragged pencil pines sit beside bogs and tarns.
  • (10) Roisin Black, a National Trust ranger at Malham tarn, said: “In the rest of Europe, water voles are common.
  • (11) Protesters opposed to the Sivens dam project in the Tarn region say it will destroy a reservoir of biodiversity and will benefit only a small number of farmers.
  • (12) According to the property website seloger.com, Albi in the south-west Tarn region takes the prize for France's biggest price drop – a massive 18%.
  • (13) The bed nucleus of the stria terminalis was observed to have a significant decrease in hexokinase activity in the tARN groups, as were the caudal and medial aspects of the nucleus of the solitary tract.
  • (14) In contrast, the increased HK activity after either tADN or tARN alone was returned to levels not different from sADN-sARN rats in all structures in the tADN-tARN rats, except MnPO, mpPVH, and dArc, where the level of HK activity was only attenuated, and MS, POA, and vArc, where it remained elevated.
  • (15) The incidence of antibiotic resistance in aquatic bacteria isolated from Windermere was, however, lower than in those isolated from two remote upland tarns.
  • (16) The upland tarns were not totally isolated from man and other animals but did not receive any sewage or other effluents and therefore the results were surprising.
  • (17) Here is a section from his exploration of the streams and lakes of the Rhinogs, a remote mountain group in North Wales: Searching the map, I had seen some promising upland streams, a waterfall, and a tarn, so I hiked off uphill through the bracken.
  • (18) Scales Fell was the popular Boxing Day choice, the splendid ridge that soars to the 2,848ft summit above its tarn, deep in the bosom of Blencathra.
  • (19) In the 3-day tARN group only, a significant decrease in hexokinase activity was observed in the region of the brainstem containing the A5 cell group, compared with sARN animals.
  • (20) The design of the Millau Viaduct, the superb new motorway bridge across the Tarn Gorge in the south of France, is credited to Norman Foster.

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