What's the difference between leach and purge?

Leach


Definition:

  • (n.) See 3d Leech.
  • (n.) A quantity of wood ashes, through which water passes, and thus imbibes the alkali.
  • (n.) A tub or vat for leaching ashes, bark, etc.
  • (v. t.) To remove the soluble constituents from by subjecting to the action of percolating water or other liquid; as, to leach ashes or coffee.
  • (v. t.) To dissolve out; -- often used with out; as, to leach out alkali from ashes.
  • (v. i.) To part with soluble constituents by percolation.
  • (n.) See Leech, a physician.

Example Sentences:

  • (1) Updated at 2.53pm GMT 2.48pm GMT 'Tricky job, well done' - IoD Graeme Leach , chief economist at the Institute of Directors, said: This was a tricky job, well done by George Osborne.
  • (2) In this study two soft coals obtained from mines in which workers had high and low incidences of CWP were leached with aqueous base and acid to remove their acidic and basic components.
  • (3) Leaching the lyophilized mitochondrial fraction with either hexane or acetone increased substantially the yields of the metabolites.
  • (4) Worse, the CFL contains mercury, which according to the EU's own regulations cannot be discarded in ordinary waste, lest the mercury leach into the water supply.
  • (5) A steady decline in the incidence with an increase in the preponderance of male cases was observed toward the west, reaching the lowest figures (male: 17.2 cases per 100,000 population; female: 5.5 per 100,000) in the Caspian rain belt, with its heavily leached soils and somewhat subtropical characteristcs.
  • (6) In spite of the leaching and contamination effects described in the literature--even for chrysotile fibrils taken from the lung, elemental spectra do not differ essentially from the asbestos standard.
  • (7) Contamination of cells by impurity atoms that may leach from electrodes was measured by atomic-absorption spectrophotometry and found to be negligible.
  • (8) "The UK economy faces a difficult period over the coming years, but if the government holds firm with the implementation of the spending review, long-term growth and employment prospects will be significantly improved," said Graeme Leach, chief economist and director of policy at the IoD.
  • (9) Once the pollution has ceased, it would appear that the arsenic is rapidly leached away, with a return to ecological normality this recovery was surprisingly rapid and complete.
  • (10) The surface is stabilized, i.e., leaching is retarded, by the rapid Ca,P-accumulation within the silica structure before apatite crystals are observed on the surface.
  • (11) In Dr Leach's book, a 13-year-old talking about the fall-out from her parents' break-up says: "I felt I'd vanished."
  • (12) Some cells, however, showed evidence that intracytoplasmic materials had been leached from the cells.
  • (13) Diethyl phthalate in the desiccant in 100-count bottles of brand A levothyroxine sodium tablets appeared to have leached into the tablets.
  • (14) With the leach tank incident in December there were questions raised about our environmental performance.
  • (15) The tendency of composites to leach filler elements almost linearly with time, could be used to generate a constant release rate of such therapeutic elements over time.
  • (16) Dissolution is incongruent, probably because most of the leached species can derive both from the matrix (polysalt gel) and the partly reacted glass particles.
  • (17) There was no evidence of energy-dependent extrusion of water or ions from either equilibrated rat or rabbit renal cortical slices leached at 0.5 degrees C and then reincubated at 25 degrees C in choline Ringer.7.
  • (18) Leach has also just been appointed advisory chair of next year's Guardian Edinburgh International Television Festival, reinforcing the sense that she and Twofour have earned their place at the TV industry's top table.
  • (19) Upon harvest (three months after application), a total of 49.2% of the applied radiocarbon was recovered: 2.0% in the plants, 46.9% in the soil, and 0.3% in the leaching water (depth greater than 50 cm); less than 0.1% was in the grains (0.464 ppm).
  • (20) The power requirements for initial leaching conditions were also calculated.

Purge


Definition:

  • (v. t.) To cleanse, clear, or purify by separating and carrying off whatever is impure, heterogeneous, foreign, or superfluous.
  • (v. t.) To operate on as, or by means of, a cathartic medicine, or in a similar manner.
  • (v. t.) To clarify; to defecate, as liquors.
  • (v. t.) To clear of sediment, as a boiler, or of air, as a steam pipe, by driving off or permitting escape.
  • (v. t.) To clear from guilt, or from moral or ceremonial defilement; as, to purge one of guilt or crime.
  • (v. t.) To clear from accusation, or the charge of a crime or misdemeanor, as by oath or in ordeal.
  • (v. t.) To remove in cleansing; to deterge; to wash away; -- often followed by away.
  • (v. i.) To become pure, as by clarification.
  • (v. i.) To have or produce frequent evacuations from the intestines, as by means of a cathartic.
  • (v. t.) The act of purging.
  • (v. t.) That which purges; especially, a medicine that evacuates the intestines; a cathartic.

Example Sentences:

  • (1) Thus photosensitization using AISPc may be an effective method of purging marrow autografts in some cases of AML.
  • (2) Current investigations include the development of more effective cytoreductive regimens, use of recombinant hematopoietic growth factors, improvement of marrow purging techniques, and enhancement of cell-mediated anti-leukemic activity in patients receiving autologous marrow transplants.
  • (3) Direct detection of chromium in milk, using only argon as purge gas, was inferior.
  • (4) Indiana Indiana began to purge inactive voters in may 2014 by sending postcards to all registered voters.
  • (5) Sequential application of the two methods (immunorosette depletion with CD19 McAb followed by a complement lysis with CD9 and CD10 McAbs) led to superior results in causing a 4- to 5-log purging effect.
  • (6) Reduced caloric intake, a hallmark of both disorders, is manifested by self-induced starvation in anorexia and by binge eating and gastrointestinal purging in bulimia.
  • (7) Mafosfamide is presently used for the purging of bone marrow in autologous bone marrow transplantation in the treatment of acute leukemia.
  • (8) The two log difference in the surviving fraction of CFU-L and CFU-S after 120 min exposure to 42.5 degrees C suggests that hyperthermia ex vivo may be a suitable purging method for autologous bone marrow transplantation.
  • (9) There are already calls for large protests in Egypt this week demanding fair trials and retribution, as well as measures to purge former regime officials from political and economic life.
  • (10) Our data suggest that this new strategy shows potential for more effective ex vivo marrow purging in autologous marrow transplantation for acute lymphoblastic leukemia.
  • (11) In summary, laser light-induced photosensitization with MC540 has a selective cytotoxicity to leukemic cells; therefore, this procedure may be useful for purging neoplastic cells from autologous BM.
  • (12) Pretransplantation regimes were: total-body irradiation (TBI), 456; busulfan plus cyclophosphamide (BU-CY) 174; marrow purging with mafosfamide, 269 (corresponding to 26% of all patients in CR1 and 41% in CR2).
  • (13) Phase 1 studies of "in vivo purging" with a monovalent CD3 antibody (Clark et al., 1989), and also with a genetically engineered humanized IgG1 (CAMPATH-1H) (Hale et al., 1988b) suggest that these limitations can be overcome.
  • (14) Despite patient and disease heterogeneity, different sources of hemopoietic stem cells (allogeneic or autologous, bone marrow or blood), ex vivo purging of autografts, and different preparative regimens, some general recommendations can be made: (1) Allogeneic BMT should be reserved for patients under age 50, where transplant-related mortality can be expected not to exceed 30%; 40% will achieve CR with a 3-year relapse-free survival expectation of 70%, and (2) With autologous transplantation, low mortality under 10% and marked therapeutic benefit (greater than 30% CR, 80% overall survival at greater than 3 years) seem to be achievable mainly if performed when tumor bulk is low and standard doses of therapy are still effective.
  • (15) The transfusion purging leukocytes may diminish the occasions of alloimmunization.
  • (16) The Brotherhood's Libyan incarnation won only 10% of the vote in last year's congressional elections, but gained support with its campaign to mandate wholesale purges of Gaddafi-era officials.
  • (17) We feel that this system will prove valuable for monitoring ex vivo tumor removal in future clinical studies and should be considered for use in other purging trials.
  • (18) The quantitative determination of the efficacy of these purging methods is generally difficult.
  • (19) The government began aggressively purging the heads of cultural and academic institutions (a notable number of them Jewish and liberal intellectuals suspected of a “foreign” mindset) and installing in their stead true believers in the Magyar way.
  • (20) The result of our study in patients in second and third remission using in vitro purging of bone marrow with monoclonal antibodies PM-81 and AML2-23 are encouraging, as are the studies of purging with 4-HC.