What's the difference between drain and percolate?

Drain


Definition:

  • (v. t.) To draw off by degrees; to cause to flow gradually out or off; hence, to cause the exhaustion of.
  • (v. t.) To exhaust of liquid contents by drawing them off; to make gradually dry or empty; to remove surface water, as from streets, by gutters, etc.; to deprive of moisture; hence, to exhaust; to empty of wealth, resources, or the like; as, to drain a country of its specie.
  • (v. t.) To filter.
  • (v. i.) To flow gradually; as, the water of low ground drains off.
  • (v. i.) To become emptied of liquor by flowing or dropping; as, let the vessel stand and drain.
  • (n.) The act of draining, or of drawing off; gradual and continuous outflow or withdrawal; as, the drain of specie from a country.
  • (n.) That means of which anything is drained; a channel; a trench; a water course; a sewer; a sink.
  • (n.) The grain from the mashing tub; as, brewers' drains.

Example Sentences:

  • (1) In one of the cirrhotic patients, postmortem correlation of sonographic, angiographic, and pathological findings showed that the dilated vessels seen on sonography were cystic veins draining normally into the portal vein rather than portosystemic anastomoses.
  • (2) Intraperitoneal drain should therefore be used when choledochus has been explored.
  • (3) It is usually associated with a left superior caval vein draining into the coronary sinus and is frequently part of a complex congenital malformation of the heart.
  • (4) Ovarian venous concentrations of these four steroids from the side draining the tumor-bearing ovary were increased in 40 to 80% of the women.
  • (5) Radioactive lactic acid was detected in the drained perfusion solution with D(U-14C)-glucose, but not when D(U-14C)-fructose was used.
  • (6) Draining of thin films has thus a dehydrating effect as well as a sorting and ordering effect.
  • (7) Regarding ureters read as true positives on indirect study, if that ureter has ever shown reflux at any time, or if it drained a scarred kidney specificity was improved to 97% without changing the sensitivity.
  • (8) In tests on 13 cells pacing at a 200 mua drain without recharging, the simulated mean duration of pacing before total discharge was 4.8 years.
  • (9) An abscess of a lingual tonsil should be drained under general anesthesia, and lingual thyroid should be treated conservatively unless it produces obstructive symptoms.
  • (10) Among them 8 cases were coelio-drained for 24 hours with very little thin bloody drainage.
  • (11) Lymphocytes obtained from lymph nodes draining foot pads infected with R. conorii or R. akari demonstrated cross-reactivity similar to that found with immune spleen cells.
  • (12) The experiments show that the single cephalad channel venous island flap is perfused by and drains through its single cephalad vein.
  • (13) But it has a tainted reputation: the 2007 foot and mouth outbreak was traced to a leak from Pirbright’s drains.
  • (14) The well drained soils of the Suiá--Missu forest are very uniform, deep latosols (oxisols) of very dystrophic nature with pH (in water) between 4.0 and 5.0 (see table 2, p. 203).
  • (15) That would mark a controversial break from its existing policy, whereby the ECB offsets bond purchases by draining liquidity from the system in separate operations.
  • (16) In 13 growing pigs (mini-pigs) all veins draining the head of femur were ligated intra-abdominally.
  • (17) However, we demonstrate that topical exposure to DNTB causes activation of the draining lymph node in mice and the induction of contact sensitization in both rodents and a single human volunteer.
  • (18) The malformations over the surface drain into the superior sagittal sinus.
  • (19) Our current recommendation for initial treatment is excision of the primary tumor followed by irradiation with generous fields to include the primary tumor site and draining regional lymphatics to doses of 46-50 Gy in 2 Gy fractions.
  • (20) The region was perfused at constant flow through the aorta and drained at constant pressure from the inferior vena cava.

Percolate


Definition:

  • (v. t.) To cause to pass through fine interstices, as a liquor; to filter; to strain.
  • (v. i.) To pass through fine interstices; to filter; as, water percolates through porous stone.

Example Sentences:

  • (1) As soon as the component with the lower mechanical stability is percolating the powder system, tablet hardness is controlled entirely by this component.
  • (2) This group consisted of 101 cases of whom 38 underwent semen treatment with Centrifugation on a Discontinuous Percoll Gradient (CDPG) and 63 with Pellet Swim-up (PS); the control group was made up of 31 normospermic patients where the semen was treated by PS.
  • (3) The attempt to fractionate the testicular cells by centrifugation in the continuous and discontinuous Percoll gradient was undertaken.
  • (4) The platelet subpopulations were separated with discontinuous gradients of Percoll.
  • (5) By using Percoll discontinuous density gradient centrifugation, peripheral blood nonphagocytic and nonadherent mononuclear cells were divided into the low and high density fractions for which natural killer (NK) cells and T cells were enriched, respectively.
  • (6) We conclude that both localized memory and percolation are possible in stimulatory idiotypic networks.
  • (7) The effect of activated PMN was tested on the motility of Percoll-washed spermatozoa in the presence and absence of reactive oxygen species scavengers or seminal plasma (whole or fractionated).
  • (8) To cope with this problem, in 27 IVF cycles, sperm selection was performed by centrifugation on discontinuous Percoll density gradient.
  • (9) Thirdly, the discontinuous percoll density gradient centrifugation was used to separate P. carinii cysts.
  • (10) Fractionation by Percoll density centrifugation of peripheral blood leucocyte cells, from atopic subjects with seasonal hay fever, unmasked IgE-B cell populations whose individual capacities to synthesize IgE in vitro were obscured in cultures of unfractionated B cells.
  • (11) Inspection of the cavity margins revealed absence of percolation at the dentin margins.
  • (12) In general, IEL of satisfactory yield and of good viability were obtained with EDTA treatment of the gut tissues, followed by rapid passages of the resultant cells through nylon-wool columns and centrifugation on two-step Percoll density gradients (45% and 80%).
  • (13) Basolateral membranes obtained by self-orienting Percoll-gradient centrifugation were treated with 5 mM CaCl2 to minimize the cross-contamination by brush border membranes.
  • (14) Percoll-purified high density small lymphocytes had little or no migratory capacity under these conditions, requiring a longer incubation time (4 hr) for consistent migration.
  • (15) Guinea pig marrow cell suspensions were first enriched for megakaryocytes by density equilibrium centrifugation in continuous Percoll density gradients.
  • (16) Using Percoll density gradient centrifugation, 1,25(OH)2D3 receptors could be localized in the basal cell fraction.
  • (17) After introduction of erythrocyte targets, there was a 20- to 30-min delay before initiation of phagocytosis that was not observed with monocytes prepared by the standard Percoll-gradient technique.
  • (18) To accomplish this, blood was obtained from patients with ragweed AR, granulocytes were isolated and fractionated by continuous density Percoll gradients, and the density distribution of these cells was determined after centrifugation.
  • (19) A cellular compartment from brown adipose tissue (BAT) of newborn rats was isolated by Percoll-density-gradient centrifugation and was shown to proliferate and to undergo adipose conversion in vitro in primary culture.
  • (20) Collagenase-dispersed cells from human chorion laeve were examined on Percoll gradients.