What's the difference between null and swirl?

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.

Swirl


Definition:

  • (n.) To whirl, or cause to whirl, as in an eddy.
  • (n.) A whirling motion; an eddy, as of water; a whirl.

Example Sentences:

  • (1) It was an artwork that fired the imaginations of 2 million visitors who played with, were provoked by and plunged themselves into the curious atmosphere of The Weather Project , with its swirling mist and gigantic mirrors that covered the hall's ceiling.
  • (2) Veryan has developed a stent – a metal mesh tube inserted in an artery – that mimics the natural swirl of the blood flow, which researchers have found improves outcomes for patients with circulation problems.
  • (3) Compare her with Megan Draper, who is in a minidress too, but one that is several inches shorter and boasts the swirling lava-lamp prints that may have been seen in Vogue at the time.
  • (4) The authors report a case of myocardial infarction complicated by a false aneurysm of the posterior wall of the left ventricle, the diagnosis of which was confirmed, for the first time, by transesophageal echocardiography (TEE) which provided better definition of the anatomical features of the lesion: visualisation of the particularly wide neck (5 cm) and the site of rupture of the myocardium; demonstration of the presence in the false aneurysm with a thin pericardial wall of a large thrombus of different acoustic density, itself overlain by swirling whorls.
  • (5) A perfect storm is now swirling around capital punishment in America, and it is a storm that Europe has had a strong hand in creating.
  • (6) Turn the pork once and don't stir but gently swirl the sauce as it cooks.
  • (7) Speculation about YouTube's plans for a Spotify-style subscription service have been swirling for some time.
  • (8) After 7 days the swirling pattern scores were still in accordance with the presence of discs, whereas the other structure-associated determinants showed already spheric and even fragmented platelets.
  • (9) Speculation is swirling that the Northern Rock plc sale might bring in less than £1bn, but Sandler hopes NRAM will eventually make up the shortfall.
  • (10) Many fears about the disease have swirled around New York’s status as a transport hub.
  • (11) Rumours swirl of a higher death toll, the use of poisonous gas and the body of a pregnant woman garrotted by pro-Ukraine fanatics.
  • (12) For these palmiers, however, – full of chocolate and honey – I've found the rolling method is best for keeping the filling contained in the swirls of dough and stopping it from seeping across the baking tray.
  • (13) Two deceptively benign-appearing, unclassifiable but very similar fibromyxoid sarcomas characterized histologically by bland, innocuous-appearing fibroblastic cells and a swirling, whorled growth pattern are presented.
  • (14) Then there are the personal expectations that swirl around the new leader.
  • (15) Smoke continued to swirl into an overcast sky more than an hour after the reported explosion as witnesses in the area gave accounts of feeling a shock wave.
  • (16) These are the range of anxieties also swirling around the commissioning team at Channel 4, who would have preferred more of the same with Kevin Lygo, the director of television and content, getting the nod.
  • (17) It must say something about the swirling currents of prejudice, fear and anger in modern Britain that even Banksy cannot predict their next bizarre lurch.
  • (18) In the future being adaptable, able to learn how to learn, rather than learn how to remember, will be the only way of staying afloat in a swirling labour market.
  • (19) DeVos’s connections to groups opposing aggressive Title IX intervention is not the only source of concern swirling around her potential confirmation.
  • (20) It would swirl around that child's head in the manner of a bad fairy from a storybook bringing along a cursed gift to a christening.