(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.
Silo
Definition:
(n.) A pit or vat for packing away green fodder for winter use so as to exclude air and outside moisture. See Ensilage.
Example Sentences:
(1) It is assumed that the dominant fungi may play a part in the etiopathogeny of the bronchial asthma of workers in such silos but investigations should be furthered before reaching a final conclusion.
(2) On the right-hand side of the SRT screen, which all moderators have, there is a menu of options to help them filter content into silos.
(3) Lung diseases in farmers attributable to their occupation include (a) farmer's lung, caused by exposure to mouldy hay, (b) the asthma caused by exposure to grain dust and (c) silo-filler's disease.
(4) But up to now the information gathered by those applications lives in silos.
(5) On Saturday, international activists and local sources said the US-led coalition attacking Isis in Syria had launched strikes on militants attacking Kobani, a town near the Turkish border, and on positions including wheat silos in the east of the country.
(6) Samples of fresh grass, wilted grass prior to and after ensiling in a stack silo and cut with either a cylinder-type forage harvester (11.3 mm of length cut) or a self-loading wagon (42.4 mm of length cut), wilted grass prior to and after ensiling in large round bales, and grass hay were obtained from the same field and used for determination of DM and CP degradability.
(7) Sally Chisholm of the NHS Technology Adoption Centre blamed "budget silos", as narrow funding streams often present financial disincentives to changing the way of working.
(8) Forage was ensiled in 10 900-kg concrete stave silos; 2 per year were assigned to one of five treatments consisting of control, treatment with an enzyme-chemical product, or treatment with one of three different types of lactic acid bacterial inoculants.
(9) A regionalization model based on silos is presented, including functions, strategies and policies.
(10) Alfalfa, red clover, orchardgrass and timothy were harvested in the vegetative stage, wilted and stored as hay, or ensiled in small batch silos (20 kg) at 60, 40 or 20% (direct cut) dry matter and were analyzed for compositional differences.
(11) The Local Coordination Committees, another activist group, said the strikes hit the eastern province of Deir el-Zour as well as Raqqa, and also said the coalition targeted wheat silos west of the eastern city of Deir el-Zour.
(12) Of all the parameters tested for in the questionnaire, those with positive serology differed significantly from the whole population only in that a higher proportion of the positives reported exposure to silo gas and illness after uncapping silos.
(13) Silo-fillers' disease was diagnosed because he had allegedly inhaled yellowish gas in the silo.
(14) But after reports of corruption and mismanagement, thousands of tonnes of unsold rice rotting in silos, and suicides among bankrupted farmers, the scheme fell out of favour.
(15) Construction of an external silo dressing over the intact omphalocele membrane allows complete reduction of the giant omphalocele with enlargement of the abdominal cavity before surgical intervention, so that primary closure of the abdominal wall can be achieved.
(16) To assess the relative merits of primary closure, skin flap coverage, and silo reduction, operative treatment of 106 consecutive infants with gastroschisis was reviewed.
(17) Previously, CERTs worked in a siloed fashion, with limited collaboration between them, McMurdie said.
(18) Established cohorts, such as those in Triana, Lake Michigan sportsfishers, the Michigan PBB cohort, residents of farms with PCB-lined silos, and occupational groups, could all be studied further with attention to these research questions.
(19) These things can’t be treated as if they are in silos.
(20) The BBC Trust chairman said Entwistle was undermined by "disparate silos and warring tribes" during his 54 days in charge at the corporation – some of the same management problems he had hoped to address after being appointed in July.