What's the difference between background and introduction?

Background


Definition:

  • (n.) Ground in the rear or behind, or in the distance, as opposed to the foreground, or the ground in front.
  • (n.) The space which is behind and subordinate to a portrait or group of figures.
  • (n.) Anything behind, serving as a foil; as, the statue had a background of red hangings.
  • (n.) A place in obscurity or retirement, or out of sight.

Example Sentences:

  • (1) The prevalence of 24.4% among Mexican American men was similar to that among men from other ethnic backgrounds.
  • (2) But the sports minister has been clear that too many sports bodies are currently not delivering in bringing new people from all backgrounds to their sport.
  • (3) Fluttering in the background was a black flag adorned with white script, the “black flag of jihad”.
  • (4) They retained the ability to make this discrimination when the coloured stimuli were placed against a background bright enough to saturate the rods.3.
  • (5) If black people could only sort out these self-inflicted problems themselves, everything would be OK. After all, doesn't every business say it welcomes job applicants from all backgrounds?
  • (6) White lesions (NRL) against a gray background on cut section of brain increase in size with increasing time of arrest.
  • (7) These results might help to explain why only a minority of individuals with a susceptible HLA type develop uveitis, as well as the variable incidence of disease in HLA-identical populations of different ethnic backgrounds.
  • (8) It will act as a further disincentive for women to seek help.” When Background Briefing visited Catherine Haven in February, the refuge looked deserted, and most of its rooms were empty, despite the town having one of the highest domestic violence rates in the state.
  • (9) The aim of the study was to describe and evaluate background factors, with special regard to psychosocial characteristics that might possibly affect the outcome of rhinoplastic surgery.
  • (10) In the analysis of background fluorescence, the principal components were, as for the two-step technique, autofluorescence and propidium spectral overlap.
  • (11) Subjects' musical backgrounds were evaluated with a survey questionnaire.
  • (12) After 10-20 hr of culture, both membrane and cytoplasmic PKC activity had declined to background levels.
  • (13) It’s gender, age, disability, sexual orientation, social background, and – most important of all, as far as I’m concerned – diversity of thought.” Diversity needs action beyond the Oscars | Letters Read more He may have provided the Richard Littlejohn wishlist from hell – you know the one, about the one-legged black lesbian in a hijab favoured by the politically correct – but as a Hollywood A-lister, the joke’s no longer on him.
  • (14) The dual-probe system incorporates a central collimated probe for monitoring activity in the LV surrounded by an annular detector collimated in such a manner as to provide simultaneous real-time monitoring of the LV background activity.
  • (15) The relationship between certain prenatal and background variables and maternal confidence also was assessed.
  • (16) The technique is based on a multiple regression analysis of the renal curves and separate heart and soft tissue curves which together represent background activity.
  • (17) The electron spectroscopic diffraction (ESD) mode of operation of an energy-filtering electron microscope offers the possibility of being able to avoid the background from inelastic scattering in selected-area electron diffraction patterns.
  • (18) The absence of ACh therefore appears to reduce the cortical response to stimulation, while background activity values do not change.
  • (19) President Essebsi has promiised to govern for all Tunisians and said he had the technocratic background to manage security and economic challenges.
  • (20) An epidemiologic background appropriate to "serum" hepatitis, either transfusion (one bout) or illicit self-injection (46 bouts), was associated just as frequently with serologically non-B episodes as with identified type B disease.

Introduction


Definition:

  • (n.) The act of introducing, or bringing to notice.
  • (n.) The act of formally making persons known to each other; a presentation or making known of one person to another by name; as, the introduction of one stranger to another.
  • (n.) That part of a book or discourse which introduces or leads the way to the main subject, or part; preliminary; matter; preface; proem; exordium.
  • (n.) A formal and elaborate preliminary treatise; specifically, a treatise introductory to other treatises, or to a course of study; a guide; as, an introduction to English literature.

Example Sentences:

  • (1) The rise of malaria despite of control measures involves several factors: the house spraying is no more accepted by a large percentage of house holders and the alternative larviciding has only a limited efficacy; the houses of American Indians have no walls to be sprayed; there is a continuous introduction of parasites by migrants.
  • (2) The introduction of intravenous, high-dose thrombolytic therapy during a brief period has markedly reduced mortality of patients with acute myocardial infarction.
  • (3) This promotion of repetitive activity by the introduction of additional potassium channels occurred up to an "optimal" value beyond which a further increase in paranodal potassium permeability narrowed the range of currents with a repetitive response.
  • (4) After a review of the technical development and application of staplers from their introduction to the present day, the indications to the use of this instrument in all gastroenterological areas from the oesophagus to the rectum as well as in chest, gynaecological and urological surgery specified.
  • (5) Benzyloxycarbonylarginine p-nitrophenyl ester and other activated esters of N-a-sustituted arginine salts may be useful reagents for introduction of trypsin-labile protecting groups into peptide fragments for purpose of polypeptide semi-synthesis.
  • (6) Thus, introduction of arginine in position 5 with a hydrophobic amino acid in position 6 is compatible with high potency in several biological systems and results in compounds with lowered potency to release histamine compared to homologous peptides with tyrosine in position 5 and D-arginine in position 6.
  • (7) The patient, a 12 year-old boy, showed a soft white yellowish mycotic excrescence with clear borders which had followed the introduction of a small piece of straw into the cornea.
  • (8) These included: 1) association of infectious processes with other laboratory results; 2) a feeling of integration with the patient and health care team; and 3) the introduction of medical terminology.
  • (9) The effect of this curriculum is measured by statistical analysis of resident-generated aesthetic surgery cases in one year following the introduction of this curriculum into the teaching program.
  • (10) An experience in working out and introduction of a system of failure-free performance work as one of the most important steps in creating a complex system for the production quality control at the Leningrad combine "Krasnogvardeets" is described.
  • (11) In contrast, introduction of p21(Val-12) resulted in a prolonged delay (6 hours) of the effect which lasted for more than 24 hours.
  • (12) The purpose of this study was to determine whether there was a temporal association between the introduction of a Fetal Diagnostic and Treatment Center and changes in fetal mortality.
  • (13) Transtracheal oxygen (TTO) delivery for patients with chronic hypoxemia has been used increasingly since its introduction in 1982.
  • (14) A method for the introduction of side chains containing isonitrile (isocyanide, functional group) on the backbone of polysaccharides and other hydroxylic polymers was developed.
  • (15) Since its introduction by Wide, Bennich, and Johansson in 1967, the radioallergosorbent test (RAST) has been increasingly used for measurement of specific IgE antibodies.
  • (16) Presumable this medium was modified repeatedly after its introduction in bacteriology in 1918 by Gassner.
  • (17) Conjugates of the synthetic peptide with phycoerythrin (Mr about 150 kD) and with secretory IgA (Mr about 380 kD) were both found in the nucleus very shortly after their introduction into the cytoplasm.
  • (18) While mindful of the potential difficulties which attend its introduction into the treatment situation there is an attempt to balance this position through a consideration of the appropriate conditions and modes of operation under which a humor-enriched approach may be efficacious.
  • (19) An arrest of a depressive syndrome in manic-depressive psychosis in old age can be attained by an introduction of 150-200 mg of azafen daily.
  • (20) The introduction of non-sedating H1-selective antihistamine drugs and local corticosteroids has been an important therapeutic advance.