What's the difference between parch and quench?

Parch


Definition:

  • (v. t.) To burn the surface of; to scorch; to roast over the fire, as dry grain; as, to parch the skin; to parch corn.
  • (v. t.) To dry to extremity; to shrivel with heat; as, the mouth is parched from fever.
  • (v. i.) To become scorched or superficially burnt; to be very dry.

Example Sentences:

  • (1) This has led to parched soils and difficult growing conditions for farmers, as well as to river levels that are dangerously low for wildlife.
  • (2) "Because of the heat, lakes and other water bodies have been reduced to parched land, making dehydration common in such birds," said Neeraj Srivastava, a wildlife campaigner.
  • (3) In Garbey, a village in a parched landscape of rocky soil covered with a thin layer of sand, with very few trees, the men are building a rock wall to channel the next rains, due in June-July, into the reservoir.
  • (4) A bigger rise of 3-4C — the smallest increase we can prudently expect to follow inaction — would parch continents, turning farmland into desert.
  • (5) "I was standing on the public path looking at the grass near the stones and thinking we needed to find a longer hosepipe to get the parched patches to green up," he said.
  • (6) Record El Niño set to cause hunger for 10 million poorest, Oxfam warns Read more The chance of a drier than normal October for southern Australia is about 70%, with the probability rising to 80% in Victoria where the state government is attempting to find ways to get water to parched areas in the west of the state.
  • (7) Any heavy rainfall will be welcome news for thirsty California, parched for the last four years by a historic dry period.
  • (8) On the parched grass not far from the India Gate monument at the centre of Delhi, they stretch, breathe and meditate.
  • (9) (5) The measures to prevent cooking loss are (a) eating the boiled food with the soup, (b) addition of small amount of salt (about 1% NaCl) in boiling, (c) avoidance of too much boiling, (d) selection of a cooking method causing less mineral loss (stewing, frying or parching).
  • (10) Arrowroot is the mainstay of the Negro infant's diet, while parched flour or sago is consumed by an East Indian infant more frequently.
  • (11) The air drops came after reports that children among the stranded population were beginning to die of thirst on the bare, parched mountainside.
  • (12) The surgical procedures we used were 19 subclavian plasty (Waldhausen), 13 end-to-end anastomosis, 13 Alvarez technique and three goterex parch.
  • (13) Six patients underwent surgery, 5 with an enlargement parch and 1 with a butterfly parch.
  • (14) Governor Jerry Brown is championing a proposed $14bn (£9bn) tunnel system to divert water from northern California to southern California's parched cities and farms.
  • (15) Forecasters have predicted that the south-west monsoon could arrive over the southern state of Kerala as early as today, but it is unlikely to reach the parched north before the end of June.
  • (16) Why devote a whole page to California’s drought ( In parched California, there’s still plenty of water for nut trees – and for Nestlé’s bottles , 20 April) without questioning why this is happening?
  • (17) Supplementary feedings often started in late infancy include gruels made from arrowroot, parched flour, and cereal.
  • (18) (3) The loss of thiamin largest in boiling, followed by baking, parching and frying.
  • (19) The deep grooves of grief in his brow, his sunken, woeful eyes and dry parched lips a perspicacious sculpture carved in anticipation of this slap of indignity.
  • (20) The waiting list has grown to three years, leaving many farmers to contemplate parched fields and ruin in what has been one of the world’s most productive agricultural regions.

Quench


Definition:

  • (v. t.) To extinguish; to overwhelm; to make an end of; -- said of flame and fire, of things burning, and figuratively of sensations and emotions; as, to quench flame; to quench a candle; to quench thirst, love, hate, etc.
  • (v. t.) To cool suddenly, as heated steel, in tempering.
  • (v. i.) To become extinguished; to go out; to become calm or cool.

Example Sentences:

  • (1) The extreme quenching of the dioxetane chemiluminescence by both microsomes and phosphatidylcholine, as a model phospholipid, implies that despite the low quantum yield (approx.
  • (2) The drug is extracted from serum or urine with ethyl acetate, separated by TLC, and determined by fluorescence quenching densitometry.
  • (3) Formation of a complex between alpha-tocopherol or its analogues in the excited state and fatty acids or their hydroperoxides has been suggested basing on the fluorescence quenching experimental data.
  • (4) Quenching of intrinsic fluorescence of (Ca2+-Mg2+)-ATPase by acrylamide, performed in the presence of Ca2+, gave evidence for a single class of tryptophan residues with Stern-Volmer constant (KSV) of 10 M-1.
  • (5) The 23Na double-quantum signal was quenched in both the extracellular and the intracellular compartments with increasing concentration of Li in each compartment, along with an increase in the 23Na T1 both intra- and extracellularly.
  • (6) Binding increases the fluorescence intensity of Tyr-49 by 130% while the fluorescence of the hormone tyrosine is almost completely quenched.
  • (7) Addition of 2,6-dimethylbenzoquinone caused quenching of these absorbance changes.
  • (8) These observations lead to the hypothesis that acidosis quenches fluorescence in distal skin flaps.
  • (9) The degree of quenching was accurately predicted by a simple relation derived in this paper, as well as a more complex equation previously developed by Tweet, et al.
  • (10) Subtilin may slightly enter the hydrophobic core as suggested by tryptophan fluorescence quenching and liposome fusion experiments.
  • (11) Greater than 99% of the polymerization reaction products were quenched by the addition of 2.0 mM ascorbate.
  • (12) Acoustic probe-based assays can enhance assay and laboratory efficiency through testing for multiple analytes in a single sample or increasing available binding surface area (by using probe and well surfaces simultaneously), and by eliminating quenching.
  • (13) The second-order rate constants appear to be at least 3 orders of magnitude lower than the second-order constants for quenching of the fluorescent probes; this is taken as a clear indication that ubiquinone diffusion is not the rate-determining step in the quinone-enzyme interaction.
  • (14) Accessibility to iodide was much lower, as was the rate of quenching by iodide, adding support to the conclusions from acrylamide quenching.
  • (15) An ATP-dependent, N-ethylmaleimide-inhibitable, 3,3',4',5-tetrachlorosalicylanilide-reversible, and chloride-attenuated quench of bis(1,3-dibutylbarbituric acid-(5] pentamethinoxonol fluorescence was seen, consistent with net transfer of positive charge into the vesicles.
  • (16) Quenching data indicated that five out of 22 tryptophans in CBH are surface-localized and are available for quenching with both KI and acrylamide, and three other tryptophans are buried and are available only to acrylamide.
  • (17) Acid quenching of a stiochiometric reaction between Ac(= S)CoA and citrate synthase following the transient quantitatively regenerates Ac(= S)CoA, indicating carbon-carbon bond formation had not yet occurred.
  • (18) The pulsed laser photolysis products of the charge-transfer quenching reaction were examined.
  • (19) The highest yield of amino acids with the quench reaction was 9 x 10-7 molecules per erg of input energy.
  • (20) Tris-washed chloroplast enriched in the photosystem II reaction center species Z+Q- and ZQ- are nearly four times more sensitive to nitrobenzene quenching than those enriched in Z+Q.