What's the difference between fast and null?

Fast


Definition:

  • (v. i.) To abstain from food; to omit to take nourishment in whole or in part; to go hungry.
  • (v. i.) To practice abstinence as a religious exercise or duty; to abstain from food voluntarily for a time, for the mortification of the body or appetites, or as a token of grief, or humiliation and penitence.
  • (v. i.) Abstinence from food; omission to take nourishment.
  • (v. i.) Voluntary abstinence from food, for a space of time, as a spiritual discipline, or as a token of religious humiliation.
  • (v. i.) A time of fasting, whether a day, week, or longer time; a period of abstinence from food or certain kinds of food; as, an annual fast.
  • (v.) Firmly fixed; closely adhering; made firm; not loose, unstable, or easily moved; immovable; as, to make fast the door.
  • (v.) Firm against attack; fortified by nature or art; impregnable; strong.
  • (v.) Firm in adherence; steadfast; not easily separated or alienated; faithful; as, a fast friend.
  • (v.) Permanent; not liable to fade by exposure to air or by washing; durable; lasting; as, fast colors.
  • (v.) Tenacious; retentive.
  • (v.) Not easily disturbed or broken; deep; sound.
  • (v.) Moving rapidly; quick in mition; rapid; swift; as, a fast horse.
  • (v.) Given to pleasure seeking; disregardful of restraint; reckless; wild; dissipated; dissolute; as, a fast man; a fast liver.
  • (a.) In a fast, fixed, or firmly established manner; fixedly; firmly; immovably.
  • (a.) In a fast or rapid manner; quickly; swiftly; extravagantly; wildly; as, to run fast; to live fast.
  • (n.) That which fastens or holds; especially, (Naut.) a mooring rope, hawser, or chain; -- called, according to its position, a bow, head, quarter, breast, or stern fast; also, a post on a pier around which hawsers are passed in mooring.
  • (n.) The shaft of a column, or trunk of pilaster.

Example Sentences:

  • (1) Comparison of the S100 alpha-binding protein profiles in fast- and slow-twitch fibers of various species revealed few, if any, species- or fiber type-specific S100 binding proteins.
  • (2) A leg ulcer in a 52-year-old renal transplant patient yielded foamy histiocytes containing acid-fast bacilli subsequently identified as a Runyon group III Mycobacterium.
  • (3) Madrid now hopes that a growing clamour for future rescues of Europe's banks to be done directly, without money going via governments, may still allow it to avoid accepting loans that would add to an already fast-growing national debt.
  • (4) Diphenoxylate-induced hypoxia was the major problem and was associated with slow or fast respirations, hypotonia or rigidity, cardiac arrest, and in 3 cases cerebral edema and death.
  • (5) Two hours after refeeding rats fasted for 48 h, ODC activity increased 40-fold in mucosa from the intact jejunum and 4-fold in the mucosa of the bypassed segments.
  • (6) Five of them had a fast-moving Eco RI fragment 5.6 kb long that hybridized with zeta-specific probe but not with alpha-specific probe.
  • (7) A previous study, on grade IV astrocytomas, compared a combination of photons and fast neutron boost to photons only, both treatments being delivered following a concentrated irradiation schedule.
  • (8) J., 4 (1985) 1709-1714) and fast pH changes were applied with a technique developed by Davies et al.
  • (9) Glucose metabolic rates during control and reperfusion were unchanged for hearts from fasted rats, but decreased for hearts from fed rats during reperfusion.
  • (10) Brewdog backs down over Lone Wolf pub trademark dispute Read more The fast-growing Scottish brewer, which has burnished its underdog credentials with vocal criticism of how major brewers operate , recently launched a vodka brand called Lone Wolf.
  • (11) Despite the nearly anaerobic state of the ascites tumor fluid in vivo, cancer cells suspended in this fluid oxidized FFA at least as fast as they do in vitro under aerobic conditions.
  • (12) Inhibition of fast axonal transport by an antibody specific for kinesin provides direct evidence that kinesin is involved in the translocation of membrane-bounded organelles in axons.
  • (13) A quantitative index of duodenogastric reflux was obtained in each case by determining the percentage of the injected dose of 99mTechnetium-DISIDA that was recovered by continuous aspiration of gastric juice in fasting subjects.
  • (14) Variations in light chain composition, particularly fast and slow myosin light chain 1, appeared to occur independently of the variations in heavy chain composition, suggesting that some myosin molecules consist of mixtures of slow- and fast-type subunits.
  • (15) These analyses were carried out on unfractionated culture fluids and on fractions obtained by fast protein liquid chromatography separation using Superose 6 gels.
  • (16) A more accurate fit of T1 data using a modified Lipari and Szabo approach indicates that internal fast motions dominate the T1 relaxation in glycogen.
  • (17) Normal rat soleus myosin has a major slow and a minor fast component due to two populations of muscle fibers.
  • (18) The effects of insulin on the renal handling of sodium, potassium, calcium, and phosphate were studied in man while maintaining the blood glucose concentration at the fasting level by negative feedback servocontrol of a variable glucose infusion.
  • (19) Plasma and red cell sorbitol concentrations, fasting plasma glucose, glycosylated hemoglobin (GHb) were evaluated in 30 diabetic patients and 42 normal subjects.
  • (20) Acid-fast bacilli were isolated from 3 out of 41 mice inoculoted with heat killed bacilli.

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.