(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.
Punctual
Definition:
(a.) Consisting in a point; limited to a point; unextended.
(a.) Observant of nice points; punctilious; precise.
(a.) Appearing or done at, or adhering exactly to, a regular or an appointed time; precise; prompt; as, a punctual man; a punctual payment.
Example Sentences:
(1) The punctual verify of vaccinal covering rate in a little Sanitary District in the Province of Treviso points out values higher than 90%.
(2) Beside morphologic studies the amounts of silver or chromium can be determined semiquantitatively by the intensity of the specific X-radiate from "sum up-analysis" out of punctual areas.
(3) Based upon many years of experience with specific reflexotherapy and conventional stimulation therapy for treatment of pain we started a clinical study in migraine applying the punctual transcutaneous electrical nerve stimulation (PuTENS) performed with self-made pocket electrostimulators (TRG I-III).
(4) I will support my contention by examining: (1) Sicilian-Canadian conceptions of punctuality; and, (2) the communicative dimension of the pain experience.
(5) It is being dubbed Britain's least punctual plane – a service run (somewhat inappropriately) by Wizz Air, the largest low-cost airline in central and eastern Europe.
(6) The elaboration performed discriminates between those stations constantly polluted and the punctual pollution phenomena that seldom affect more than one station.
(7) I want to see prisoners motivated to engage in their own learning and governors with the right tools to be more demanding and creative about the education provided in the prisons they run.” Coates recently carried out a review of teaching standards for the Department for Education and her recommended diet of punctuality, respect and constant exams has been credited with turning around Burlington Danes academy in White City in west London, which lies in the shadow of Wormwood Scrubs prison.
(8) A device for measuring hardness has been developed which allows an almost punctual evaluation of the mechanic value of bone.
(9) The method uses only codon usage tables and takes into account the length of sequences, and preserves the information contained in each codon by a punctual index.
(10) It missed its targets on financial efficiency, asset stewardship and, crucially, both freight and passenger train punctuality.
(11) They don't have the strength of character … Instead they show submissiveness, spinelessness, lack of punctuality, and many other factors which prevent them from becoming political activists."
(12) The laser beam is a punctual source of thermal energy which can be used to vaporize human atheroma.
(13) McNulty defended the achievements of privatisation, saying that punctuality and safety standards were now at impressive levels.
(14) The general physical properties of living systems, considered as open systems being far from equilibrium, are listed and simple non-linear mathematical models describing gradual and punctual speciation are suggested.
(15) Among the numerous musculo-cutaneous flaps, the lower trapezius island appears an interesting procedure for punctual indications.
(16) The deflagellated enterobacteria are, therefore, immobilized, and multiply, forming small punctual colonies, of 0.5-1 mm phi, whereas the vibrios tolerating FDF develop and at the same time move in the liquid agar, mass, forming large colonies, of 8-14 mm phi.
(17) London Overground has become one of the most popular and punctual railways anywhere in the country.
(18) BBC staffers not already familiar with their new boss may also like to know that he is a stickler for punctuality.
(19) It's a really strict environment, strict on punctuality, on socialising.
(20) Then ordinary passengers can continue to benefit from clean and punctual trains.