What's the difference between dike and null?

Dike


Definition:

  • (n.) A ditch; a channel for water made by digging.
  • (n.) An embankment to prevent inundations; a levee.
  • (n.) A wall of turf or stone.
  • (n.) A wall-like mass of mineral matter, usually an intrusion of igneous rocks, filling up rents or fissures in the original strata.
  • (v. t.) To surround or protect with a dike or dry bank; to secure with a bank.
  • (v. t.) To drain by a dike or ditch.
  • (v. i.) To work as a ditcher; to dig.

Example Sentences:

  • (1) The Great Garuda development that was supposed to take flight from that dike could be grounded even longer.
  • (2) Low point: The club lost two forwards – Bright Dike and Brent Richards – to season-ending knee injuries during the preseason.
  • (3) Lymnaea truncatula is not found on or at the seaward side of the dike, whereas it is abundant all over the marshland.
  • (4) Military specialists blew up dikes in central Pakistan to divert swollen rivers and save cities from raging floods that have killed hundreds of people.
  • (5) Between 1905 and 1971, over 2 million tons of residue from chromite ore processing was generated in Hudson County, New Jersey, of which substantial amounts were used as fill and tank diking.
  • (6) Pilanesberg is located in one of the world’s largest and best preserved alkaline ring dike complexes – a rare circular feature that emerged from the subterranean plumbing of an ancient volcano.
  • (7) He says building an outer sea wall and manmade islands would create greater pollution and sedimentation as waters are trapped inside the dike, rather than being flushed out to sea.
  • (8) The demonstration - one of the biggest in a series of recent NIMBY rallies against potential polluters in China - was sparked by the news last week that a protective dike around the Fujia factory in the Jinzhou industrial complex had been breached by rain and high waves ahead of the approach of Typhoon Muifa.
  • (9) A protective dike at Torhi, near Sukkur, burst on Saturday.
  • (10) Ejim Dike, director of US Human Rights Network, added: “In addition to a legal response from the Department of Justice, there is a need for moral and political leadership from the executive branch, from Obama and Holder.
  • (11) Over two years, the management regimes of: 1) opening a southeast Florida salt marsh impoundment to the adjacent estuary with culverts through the dike, then, 2) passively retaining water with flapgate risers was studied to determine the effects on marsh flooding and resultant mosquito production.
  • (12) The high infection percentage among adult animals and the strikingly low frequency among slaughter lambs could be explained by the characteristic management system of the marshland: In summer the sheep graze the dike and the foreland on its seaward side, and in winter the animals graze in the marshland.
  • (13) At the heart of the proposals – with an estimated cost of as much as $40 billion – is a massive dike arcing 25 miles across Jakarta Bay which would create a vast manmade lagoon, with a new coastal megacity to be built around it on reclaimed land.
  • (14) The demonstration in Dalian – one of the biggest in a series of recent Nimby rallies against potential polluters in China – was sparked by the news last week that a protective dike around the Fujia factory, in the Jinzhou industrial complex, had been breached by rain and high waves as typhoon Muifa approached.
  • (15) We recorded the visual behavior of male and female horseshoe crabs in the vicinity of an object--a cement hemisphere (29.5 cm diameter) similar in size and shape to a female horseshoe crab--placed in a mating area near Mashnee Dike, Bourne, Massachusetts.

Null


Definition:

  • (a.) Of no legal or binding force or validity; of no efficacy; invalid; void; nugatory; useless.
  • (n.) Something that has no force or meaning.
  • (n.) That which has no value; a cipher; zero.
  • (v. t.) To annul.
  • (n.) One of the beads in nulled work.

Example Sentences:

  • (1) Measurements of acetylcholine-induced single-channel conductance and null potentials at the amphibian motor end-plate in solutions containing Na, K, Li and Cs ions (Gage & Van Helden, 1979; J. Physiol.
  • (2) DR(+) cells, however, showed no change in percentage and a lesser drop in absolute numbers, suggesting an increase with advancing disease of DR(+), Ig(-) null cells, which may represent immature B cell precursors.
  • (3) In this report we describe an improvement upon the design by Stanton and Lightfoot for a simple photographic null method to determine the kVp of a diagnostic region x-ray source.
  • (4) At least two (Rh null and the McLeod type) are responsible for congenital hemolytic disorders.
  • (5) (2) Sequences of brightness steps of like polarity (either increments or decrements) elicit positive and negative motion-dependent response components when mimicking motion in the cell's preferred and null direction, respectively.
  • (6) The analysis also involved statistical tests of a modified null hypothesis, the generation of confidence intervals (CIs) and a meta-analysis.
  • (7) The null potential of both responses became more and less negative with a decrease and an increase, respectively, in the extracellular potassium concentration.
  • (8) The null mutation of algR was generated in a mucoid derivative of the standard genetic strain PAO responsive to different environmental factors.
  • (9) Endoneurial fluid pressure (EFP) was recorded by an active, servo-null pressure system after a glass micropipette was inserted into rat sciatic nerve undergoing wallerian degeneration.
  • (10) In thymo-deprived mice (nude mice and B mice) the percentage of null cells increases during the stage of regeneration, and B mice develop a large number of Ig +-bearing cells.
  • (11) Alkaline phosphatase activity was elevated in the lymphocytes from T-CLL, cord blood and tonsils and the blast cells from Null-ALL.
  • (12) Analysis of ldlA cells has identified three classes of mutant alleles at the ldlA locus: null alleles, alleles that code for normally processed receptors that cannot bind LDL, and alleles that code for abnormally processed receptors.
  • (13) Putative null sup-38 mutations cause maternal-effect lethality which is rescued by a wild-type copy of the locus in the zygote.
  • (14) Null cells of patients with hypoplastic anemia did not produce erythroid colonies under any culture conditions.
  • (15) Comparison of simulated versus actual inheritance data demonstrates that the so-called null structural alleles actually produce functional globins.--The genetic controls in Peromyscus may be analogous to those in primates.
  • (16) A null zone and associated sudden phase-reversal of RSA were observed in stratum lucidum of CA3.
  • (17) When the stimulus is placed at a position approximately 80 degrees dorsal to the eye axis, there is no response; this area is called the null region.
  • (18) Northern blot analysis showed that Adh-1 mRNA was synthesized at wild-type levels in immature seeds of the null mutant, but dropped to 25% in mature seeds.
  • (19) Two tumours were null cell adenomas with PIs less than 0.1 and 0.2%.
  • (20) Thus this methodology offers the potential to study naturally occurring ADH electromorphs and null alleles independent of enzymatic activity assays.

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