What's the difference between backwash and propeller?

Backwash


Definition:

  • (v. i.) To clean the oil from (wood) after combing.

Example Sentences:

  • (1) These data indicate that the selectivity of removal of anti-AChR Ab from albumin is higher at 4 degrees C than that at 37 degrees C. The volume treated at 4 degrees C was significantly lower than that treated at 37 degrees C, and it was less than that required for a clinical treatment; however, it was shown that filter backwashing is possible without loss of solute removal selectivity.
  • (2) The study says the inability to forecast the double-dip recession from the fourth quarter of 2011 to the second quarter of 2012 had been due to poor trading performance as the UK felt the backwash from the eurozone crisis.
  • (3) In a patient with long-staning ulcerative colitis and "backwash" ileitis, multiple carcinomas developed in the colon and ileum.
  • (4) In cases of inadequate filter backwashing, such aggregates may penetrate into clean water.
  • (5) The government in Nicosia admitted that it had been caught in the backwash from the crisis in neighbouring Greece as it formally applied to Brussels for assistance.
  • (6) Backwashing with saline, serum, 6% NaCl, dextran solutions, or phosphate buffers of varying molality and pH removed only a fraction of adherent particles.
  • (7) Samples included water collected immediately after conventional treatment, during the backwash cycle, at various points in the distribution system, and 1 week after the break and subsequent repair of a distribution main.
  • (8) Although the frequency of such premalignant and malignant changes in "backwash" ileitis is unknown, their concurrence in this case suggests that ulcerative colitis involving the terminal ileum increases the risk of small bowel carcinoma.
  • (9) France, a long-term sufferer from the austerity backwash, could already be said to have made its own contribution after a year of private-sector contraction.
  • (10) A particular advantage of the solvent system is that only a single partitioning step is needed, without backwashes, and the enzyme product appears in the upper phase, making transfer to a counting vial more reliable.
  • (11) To assess whether the presence of backwash ileitis predisposed to the subsequent development of ileal pouchitis after ileal pouch-anal anastomosis, 131 patients who had the operation were studied.
  • (12) During membrane plasma fractionation therapy there are reported incidences of membrane plugging requiring the corrective actions of either filter replacement or backwashing (BW) in order to continue the treatment.
  • (13) Though the exact pathogenesis is uncertain, several possibilities, particularly with regard to antecedent dysplasia and backwash ileitis, are discussed.
  • (14) Backwashing, by reversing the direction of the permeate, was found necessary to prolong the life of the filter.
  • (15) Trocar resection is superior to Iglesias' backwash resection.
  • (16) Results showed statistically significant decreases of TMP from 300 mm Hg to 70 mm Hg between just before and after both backwashing procedures, and that there were no significant changes in the TMP increase during the cryofiltration procedure between pre- and post-BW.
  • (17) Tim Yeo, the Tory MP who chairs the environmental audit select ­committee, said the shift had come about because of scientific mistakes, and a "backwash" from Copenhagen.
  • (18) Use of standard angioplasty balloon inflation prevents "backwash" of distally infused ethanol and more generalized cell death.
  • (19) Stifling any urge to delight in McKillop's predicament, the chancellor said the government would shortly announce details of a rescue plan for UK banks caught up in the backwash from the collapse of Lehman, little more than three weeks earlier.
  • (20) Recent research has shown that these aims can be achieved by altering the mode of running and backwashing filters of all process combinations including those using ozone and introducing an additional absorption on powdered activated carbon, and the process combination of flocculation-filtration-chlorination.

Propeller


Definition:

  • (n.) One who, or that which, propels.
  • (n.) A contrivance for propelling a steam vessel, usually consisting of a screw placed in the stern under water, and made to revolve by an engine; a propeller wheel.
  • (n.) A steamboat thus propelled; a screw steamer.

Example Sentences:

  • (1) The Stratolauncher won’t be fully operational for several years, and it may take decades before anyone designs a system that can propel man-made objects through space fast enough to reach a star over a human being’s lifespan, if it happens at all.
  • (2) Last September, propelled by the success of the Irish referendum and the US supreme court decision, the idea that Australian parliamentarians should, as a matter of conscience, reconsider marriage equality was gathering powerful force.
  • (3) Carpeting of the type commonly used in hospitals imposed a burden upon normal and patient wheelchair users propelling a wheelchair as reflected in increased energy cost per unit of distance traveled.
  • (4) They said US forces had found a "daisy chain"– a long bomb rigged up from mortars, rocket-propelled grenades and a motorbike.
  • (5) Some of the main protesters who have propelled the organization movement forward, particularly Deray McKesson , Netta Elzie and Stephen Houldsworth , have expressed no interest in backing down tonight.
  • (6) District head Baba Abba Hassan said most victims are children, women and elderly people who could not run fast enough when insurgents drove into Baga, firing rocket-propelled grenades and assault rifles on town residents.
  • (7) The video filmed by a witness , which propelled the case into the global spotlight, showed Scott was running away with his back turned when Slager, then an officer with the North Charleston police department, opened fire.
  • (8) Right now most are in for small repairs, propellers that sort of thing.
  • (9) The Texas senator Ted Cruz says the rise of Donald Trump makes him “very optimistic” the next occupant of the White House will be a conservative – perhaps himself – propelled there by the “volcanic rage” of voters.
  • (10) Beating and coordination of these short cilia were compared with those of cilia propelling water.
  • (11) His pioneering efforts helped propel Barbados to a leader in solar water heater use in the western hemisphere.
  • (12) Second, if two self-propelled objects are related in a special way--a relation called the BDR sequence--the infant perceives not only intentional movement but also one object as having the goal of affecting the other object.
  • (13) Wednesday’s attack during dawn prayers is the first attack on Maiduguri since 28 December, when Boko Haram killed at least 50 people in an operation involving rocket-propelled grenades and multiple suicide bombers.
  • (14) He careered at Pedro Obiang, propelled by a frightening intent, and the midfielder was forced to flatten the Frenchman but Mike Jones adjudged the offence to have taken place outside the area.
  • (15) Allergic contact eczema from the use of deodorant sprays is sometimes caused by sensitization to the propellants.
  • (16) Interestingly, the thymine.adenine pair favours negative buckling for propellers mostly observed in DNA crystals while positive buckling is preferred by the cytosine.guanine pair.
  • (17) Republican guards used anti-aircraft guns, automatic weapons and rocket-propelled grenades against the opposition camp and intensified the shelling of the streets surrounding the square.
  • (18) Bill Shorten pushes integrity inquiry but says political corruption isn't widespread Read more If politics is about people, and about connections, Shorten’s challenge for 2017 is not only validating the concerns of voters angry enough to propel Donald Trump to the White House, to Brexit and to vote for Pauline Hanson – but to persuade them to make a durable connection with him.
  • (19) He begins describing the crumbling wall of mud that enveloped him, the image of his young daughter propelling him to fight to the surface and take his first breath of air.
  • (20) Lloyd scored three times in just 16 minutes to propel the Americans to a 5-2 win and their first World Cup in 16 years, their third overall.