(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.
Pollute
Definition:
(v. t.) To make foul, impure, or unclean; to defile; to taint; to soil; to desecrate; -- used of physical or moral defilement.
(v. t.) To violate sexually; to debauch; to dishonor.
(v. t.) To render ceremonially unclean; to disqualify or unfit for sacred use or service, or for social intercourse.
(a.) Polluted.
Example Sentences:
(1) The biggest single source of air pollution is coal-fired power stations and China, with its large population and heavy reliance on coal power, provides $2.3tn of the annual subsidies.
(2) Several studies have found that pollution and climate change disproportionately affect the poor , which means boosting clean energy generation and cutting pollution could also simultaneously reduce global inequality .
(3) The effect of airborne pollution, especially nickel, from Kola has been studied in 10,612 persons who participated in a cardiovascular screening survey in Finnmark in 1974-75.
(4) The mayor of London had said in a Twitter exchange in July that it was a “ludicrous urban myth” that Britain’s premier shopping street was one of the world’s most polluted thoroughfares, saying that the capital’s air quality was “better than Paris and other European cities”.
(5) N-heterocyclic aromatics are environmentally important carcinogenic pollutants produced by incomplete combustion of organic material.
(6) Among environmental pollutants, 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD; dioxin) is one of the most potent tumor promoters and teratogens known.
(7) A grassed roof, solar panels to provide hot water, a small lake to catch rainwater which is then recycled, timber cladding for insulation ... even the pitch and floodlights are "deliberately positioned below the level of the surrounding terrain in order to reduce noise and light pollution for the neighbouring population".
(8) Mineral fibers represent the greatest cause--after cigarette smoke--of respiratory cancer due to air pollutants.
(9) Recognition, evaluation and control of hazards were carried out in a typical case where chromium was the major pollutant.
(10) The UK, France and Germany have been accused of hypocrisy for lobbying behind the scenes to keep outmoded car tests for carbon emissions, but later publicly calling for a European investigation into Volkswagen’s rigging of car air pollution tests .
(11) Under the auspices of the US-USSR agreement for cooperative research in environmental health, Soviet methods for setting and enforcing standards for environmental pollutants were observed.
(12) Results of the determinations indicated that protective leather gloves contained considerable content of chromium, and chromium-free machine oils and lubricants were polluted with chromium's minute quantities as the oils and lubrications were being used.
(13) Study of the environmental pollution (ambient air, drinking water, food and fodder) in southern Ukraine industrial region and study of congenital developmental defects were carried out.
(14) The metabolism of the environmental pollutant and suspected human carcinogen, cyclopenta[cd]pyrene (CPP), was investigated.
(15) A variety of ecological processes are affected and altered by air pollution.
(16) However, indoor air pollution is estimated to have caused or contributed to 99,000 deaths across Europe in 2012, the report states.
(17) Since some genotoxic metals are diffused in the environment and are often sequestered as insoluble precipitates in water sediments and sludges, the introduction of NTA is likely to increase the risk of environmental pollution because of its ability to solubilize and make those metals reactive.
(18) Because surface water pollution appears to be important it is proposed that headwalls and drainage aprons be built around unprotected sources.
(19) Several reports have suggested that staphylococci, and especially Staphylococcus aureus, are useful indicators of pollution of recreational waters.
(20) Reasonable short-term objectives include the reduction of tobacco use (and alcohol abuse), the control of exposure to carcinogens in the workplace, as well as the reduction of air pollution in the general environment.