What's the difference between gull and null?

Gull


Definition:

  • (v. t.) To deceive; to cheat; to mislead; to trick; to defraud.
  • (n.) A cheating or cheat; trick; fraud.
  • (n.) One easily cheated; a dupe.
  • (n.) One of many species of long-winged sea birds of the genus Larus and allied genera.

Example Sentences:

  • (1) The normal bacterial and fungal flora of the seagull was established and it is considered that the C. albicans in fresh gull droppings would not materially increase albicans infections in man.
  • (2) People who do not know the Bible well have been gulled into thinking it is a good guide to morality.
  • (3) Later that day, Collins, Perkins and Jones were observed meeting again at the Castle pub, moving on to the upmarket Bonnie Gull Seafood Bar in nearby Exmouth Market.
  • (4) Renal clearance experiments were performed on herring gull (Larus argentatus) and great black-backed gull chicks (L. marinus) to test the importance of parathyroid hormone (PTH), parathyroidectomy (PTX), and calcium loading on excretion patterns of sodium, potassium, calcium, and phosphate.
  • (5) "It's the people who were persuaded to vote no who were misled, who were gulled, who were tricked effectively.
  • (6) The rate of isolation from gulls was 0.26% in the cold months and 3.0% in the warm months.
  • (7) Though waterbirds, including moorhens and gulls, live on the margins, and a thin scum of litter is visible at the shore, the reservoir is not intended as a home to wildlife, and any fish living here are accidental visitors.
  • (8) Nine of 16 gulls rigorously examined were found infected simultaneously with both species.
  • (9) Cloacal swabs collected from 264 ring-billed gulls (Larus delawarensis) at four sites near MontrĂ©al, Canada were cultured for the presence of Salmonella spp., Campylobacter spp.
  • (10) In view of the endangered status of Audouin's gull, there is a need to observe closely the developing trend of contamination in this species.
  • (11) Clinical, necropsy, bacteriologic, parasitologic, histopathologic, toxicologic and animal inoculation studies suggest that organochlorine (PBC, dieldrin and DDE) poisoning was an important factor in causing deaths of free-flying ring-billed gulls (Larus delawarensis) in southern Ontario in 1969 and 1973.
  • (12) Audouin's gull (Larus audouinii) is a very rare species endemic to the Mediterranean basin.
  • (13) The Northern Ireland secretary is making clear this work will accelerate and the existing Operation Gull to tackle illegal migration to Northern Ireland expanded to close any potential backdoor to Britain post-Brexit.
  • (14) The nature of the vascular alpha-adrenoceptors has been studied in the herring gull, Larus argentatus.
  • (15) Landfill disposal of a fertilizer manufacturing waste product was associated with a die-off of gulls in New Hanover County, North Carolina.
  • (16) About one-third of oxychlordane in herring gull eggs was lost in 1 year under these conditions, but none was lost after freeze-drying when the homogenate was stored at -18 degrees to -28 degrees C.
  • (17) The rate for C. jejuni and C. coli, respectively, was in gulls from regional garbage dumps 78% and 4%, from the coast 58% and 21%, and from islands 47% and 47% of the isolations in the corresponding area.
  • (18) those feeding on other birds (sparrow-hawk 33.00 mg.kg-1 in the dry matter of eggs, hawk 239.98 mg.kg-1 in fat) or those associated with water (great crested grebe 11.97 mg.kg-1, sea-gull 11.24 mg.kg-1 in the dry matter of eggs).
  • (19) In 1967, shell thickness in herring gull eggs from five states decreased with increases in chlorinated hydrocarbon residues.
  • (20) The brains of gulls dying with clinical signs of neurologic involvement, and dead gulls with no other apparent cause of death, contained organochlorine residues of significantly greater levels than those found in healthy gulls shot for comparison.

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.