What's the difference between null and string?

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.

String


Definition:

  • (n.) A small cord, a line, a twine, or a slender strip of leather, or other substance, used for binding together, fastening, or tying things; a cord, larger than a thread and smaller than a rope; as, a shoe string; a bonnet string; a silken string.
  • (n.) A thread or cord on which a number of objects or parts are strung or arranged in close and orderly succession; hence, a line or series of things arranged on a thread, or as if so arranged; a succession; a concatenation; a chain; as, a string of shells or beads; a string of dried apples; a string of houses; a string of arguments.
  • (n.) A strip, as of leather, by which the covers of a book are held together.
  • (n.) The cord of a musical instrument, as of a piano, harp, or violin; specifically (pl.), the stringed instruments of an orchestra, in distinction from the wind instruments; as, the strings took up the theme.
  • (n.) The line or cord of a bow.
  • (n.) A fiber, as of a plant; a little, fibrous root.
  • (n.) A nerve or tendon of an animal body.
  • (n.) An inside range of ceiling planks, corresponding to the sheer strake on the outside and bolted to it.
  • (n.) The tough fibrous substance that unites the valves of the pericap of leguminous plants, and which is readily pulled off; as, the strings of beans.
  • (n.) A small, filamentous ramification of a metallic vein.
  • (n.) Same as Stringcourse.
  • (n.) The points made in a game.
  • (v. t.) To furnish with strings; as, to string a violin.
  • (v. t.) To put in tune the strings of, as a stringed instrument, in order to play upon it.
  • (v. t.) To put on a string; to file; as, to string beads.
  • (v. t.) To make tense; to strengthen.
  • (v. t.) To deprive of strings; to strip the strings from; as, to string beans. See String, n., 9.

Example Sentences:

  • (1) Stringer, a Vietnam war veteran who was knighted in 1999, is already inside the corporation, if only for a few months, after he was appointed as one of its non-executive directors to toughen up the BBC's governance following a string of scandals, from the Jimmy Savile abuse to multimillion-pound executive payoffs.
  • (2) Nearly four months into the conflict, rebels control large parts of eastern Libya , the coastal city of Misrata, and a string of towns in the western mountains, near the border with Tunisia.
  • (3) However, because my film was dominated by a piano, I didn't want the driving-strings sound he'd used for Greenaway.
  • (4) The British financial services industry spent £92m last year lobbying ­politicians and regulators in an "economic war of attrition" that has secured a string of policy victories.
  • (5) However, while he considers the stock undervalued, the hedge fund boss said the software firm had missed a string of opportunities under Ballmer's "Charlie Brown management", referring to the hapless star of the Peanuts cartoon strip.
  • (6) Ranged around the continents are pictures of every child in the class, with a coloured string leading to their country of origin.
  • (7) It is one of six banks involved in talks with the Financial Conduct Authority over alleged rigging in currency markets and Ross McEwan, marking a year as RBS boss, also pointed to a string of other risks in a third quarter trading update.
  • (8) Postoperative urodynamic studies have shown maximum capacity of 750 ml and the area of continence to be at the ileocecal valve where the purse-string sutures are placed.
  • (9) Five patients (1.8%) who inadvertently removed their gastrostomy tube within seven days of insertion were treated with immediate replacement using the retrograde string technique, avoiding laparotomy.
  • (10) The molecule exhibits the conformation of a flexible string-of-beads in solution.
  • (11) He's broken limbs, nearly lost fingers and contracted a potentially deadly bone-marrow infection, as well as performing a string of excellent comedy shows retelling his exploits.
  • (12) Target discrimination accuracy was inversely related to the phonological complexity of strings containing targets in Experiment 3, supposedly because lexical access through which target discrimination is enhanced becomes more difficult as phonological complexity increases.
  • (13) The technique involves the use of an extra-long sheath for filter placement and the application of a purse-string suture at the venipuncture site to facilitate hemostasis.
  • (14) It said the survey backed up a string of votes across the organisation’s regional and national committees in favour of continued membership.
  • (15) Subsequently, asymptomatic giardiasis was sought but not found by either the string test or stool exam in any of 15 patients with pancreatic insufficiency who were examined in a prospective manner.
  • (16) Noticeably, however, the Lib Dem leader echoed the Tories in saying Labour had “a sort of secret plan” to let the Scottish National party pull the strings after the election.
  • (17) Other designs included short ruffle cocktail dresses with velvet parkas slung over the shoulder; blazers made of stringed pearly pink; and gold beading and a lace catsuit.
  • (18) Since then, a string of allegations have surfaced that have cast doubt on the notion that phone tapping at the paper was down to one rogue reporter, Clive Goodman, acting alone.
  • (19) Mann describes herself as a "feral child", running naked with dogs or riding her horse with only a string through its mouth.
  • (20) Mike Griffiths, headteacher at Northampton School for Boys, the first high-performing school to become an academy after Gove became secretary of state for education in May 2010, said the issue would not only have a potentially disastrous effect on pupils who failed to get a necessary C grade in English, but also on those hoping to study at elite institutions who fell short of getting As or A*s. "If you are applying to a Russell Group university, for instance, to study medicine or law, and all the applicants have a string of A*s, they will look back to the GCSEs and see a B in English – and that could decide your fate," he said.