What's the difference between existing and nonexistence?

Existing


Definition:

  • (p. pr. & vb. n.) of Exist

Example Sentences:

  • (1) One hundred and twenty-seven states have said with common voice that their security is directly threatened by the 15,000 nuclear weapons that exist in the arsenals of nine countries, and they are demanding that these weapons be prohibited and abolished.
  • (2) The only other evidence of Kopachi's existence is the primary school near the memorial.
  • (3) Subsequently, the study of bundle branch block and A-V block cases revealed that no explicit correlation existed between histopathological changes and functional disturbances nor between disturbances in conduction (i.e.
  • (4) It has recently been suggested that procaine penicillin existed in solution in vitro and in vivo as a "procaine - penicillin" complex rather than as dissociated ions.
  • (5) The data suggest that major differences may exist between ruminants and non-ruminants in the response of liver metabolism both to lactation per se and to the effects of growth hormone and insulin.
  • (6) The obvious need for highly effective contraception in women with existing disorders of glucose metabolism has led to a search for oral contraceptive (OC) regimens for such women that are efficient but without unacceptable metabolic side effects.
  • (7) These results are discussed in relation to the possible existence of enzyme-bound intermediates of nitrogen fixation.
  • (8) Psychiatry unlike philosophy (with its problem of solipsism) recognizes the existence of other minds from the nonverbal communication between doctor and patient.
  • (9) Over the past decade the use of monoclonal antibodies has greatly advanced our knowledge of the biological properties and heterogeneity that exist within human tumours, and in particular in lung cancer.
  • (10) This suggests that a physiological mechanism exists which can increase the barrier pressure to gastrooesophageal reflux during periods of active secretion of the stomach, as occurs in digestion.
  • (11) After four years of existence, many evaluations were able to show the qualities of this system regarding root canal penetration, cleaning and shaping.
  • (12) The authors conclude that H. pylori alone causes little or no effect on an intact gastric mucosa in the rat, that either intact organisms or bacteria-free filtrates cause similar prolongation and delayed healing of pre-existing ulcers with active chronic inflammation, and that the presence of predisposing factors leading to disruption of gastric mucosal integrity may be required for the H. pylori enhancement of inflammation and tissue damage in the stomach.
  • (13) Elongation of existing RNA primers by the human polymerase-primase was semi-processive; following primer binding the DNA polymerase continuously incorporated 20 to 50 nucleotides, then it dissociated from the template DNA.
  • (14) Richard Hill, deputy chief executive at the Homes & Communities Agency , said: "As social businesses, housing associations already have a good record of re-investing their surpluses to build new homes and improve those of their existing tenants.
  • (15) The relative strength of the progressions varies with excitation wavelength and this, together with the absence of a common origin, indicates the existence of two independent emitting states with 0-0' levels separated by either 300 or 1000 cm-1.
  • (16) Participants were selected from existing classes forming a weight training, aerobic exercise and activity control group.
  • (17) Neurotensin (NT) is an endogenous brain tridecapeptide for which high affinity binding sites exist in the central nervous system.
  • (18) These results are interpreted in terms of the accessory binding site theory of AriĆ«ns, and suggest the existence of different accessory binding sites on the Ascaris GABA receptor.
  • (19) Achilles tendon overuse injuries exist as a spectrum of diseases ranging from inflammation of the paratendinous tissue (paratenonitis), to structural degeneration of the tendon (tendinosis), and finally tendon rupture.
  • (20) Little difference exists between the proportion of programs that offer training in first-trimester techniques and the proportion that train in second-trimester techniques.

Nonexistence


Definition:

  • (n.) Absence of existence; the negation of being; nonentity.
  • (n.) A thing that has no existence.

Example Sentences:

  • (1) KCl thus appears to induce an intermediate which is either nonexistent when omitted or in such low concentration as not to be readily detected.
  • (2) The correlations of C3, C4, CH50 and factor B with abnormal clearance and disease activity were weaker or nonexistent.
  • (3) Anterior segment involvement was slight or nonexistent, and damage to the retina and uvea was of a focal rather than of a diffuse nature.
  • (4) Although the use of anticancer agents can be associated with severe side effects, on a practical basis complications of therapy are minimal to nonexistent.
  • (5) Early or late mortality among patients with isolated aortic coarctation was nonexistent, and it was 28.5% in patients with other congenital heart defects.
  • (6) Compartmentalization of germ cells in the seminiferous epithelium, therefore, was nonexistent.
  • (7) Doxycycline and other antibiotics have been implicated in oral contraceptive (OC) failure, but information is sparse and studies of a doxycycline-OC interaction are nonexistent.
  • (8) This enzymatic activity probably contributes to the steady state level of micronuclear histone acetylation that is low or nonexistent.
  • (9) But most of them were the first members of their family to adopt the veil, the majority had no niqab-wearing peers, their attendance at their mosque was minimal, and their affiliation to any Islamic bodies almost nonexistent.
  • (10) In the case of Wistar and Sprague-Dawley rats, the boosting effect of IL-2 on NK levels was either poor or nonexistent.
  • (11) Previous functional studies with the rat jugular vein have shown alpha-adrenergically mediated contraction was minimal to nonexistent, yet this tissue relaxed in response to norepinephrine via beta 1 and to isoproterenol via beta 2-receptor activation.
  • (12) After the third attempt, successful capsulotomies are either very rare or nonexistent.
  • (13) A small dependence of the intracellular relaxation rate on extracellular paramagnetic agent concentration, assumed nonexistent with the HG method, is inferred from the new analysis.
  • (14) The court relied on testimony of medical experts that the risk to patients from general practitioners with AIDS could be reduced, by training and education, to nonexistence, and emphasized that confidentiality is of paramount importance to AIDS patients and therefore is in the public interest.
  • (15) The thermodynamic study suggests a quantitative relationship of radiopharmaceutical:protein = 1:1 and an almost nonexistent influence of the temperature, which means that the interacting forces in this process are relatively weak.
  • (16) Hence in both groups, the percentage PRL suppression was significantly reduced compared with the control group, and indeed nonexistent in cortisol-nonsuppressed patients.
  • (17) In most instances, the evaluation is incomplete or nonexistent.
  • (18) In contrast, the infiltration of B lymphocytes was virtually nonexistent with few or no sIgM positive cells present in the lesions after either 4 or 14 days of exposure to ozone.
  • (19) "So it's nonexistent and it's false that we are at the moment looking for a goalkeeper."
  • (20) Although human studies are nonexistent, in those experimental organisms tested, using accepted techniques, LSD proved to be, at best, a weak mutagen, if mutagenic at all.