(n.) The act of polluting, or the state of being polluted (in any sense of the verb); defilement; uncleanness; impurity.
(n.) The emission of semen, or sperm, at other times than in sexual intercourse.
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.
Purity
Definition:
(n.) The condition of being pure.
(n.) freedom from foreign admixture or deleterious matter; as, the purity of water, of wine, of drugs, of metals.
(n.) Cleanness; freedom from foulness or dirt.
(n.) Freedom from guilt or the defilement of sin; innocence; chastity; as, purity of heart or of life.
(n.) Freedom from any sinister or improper motives or views.
(n.) Freedom from foreign idioms, or from barbarous or improper words or phrases; as, purity of style.
Example Sentences:
(1) Fluorination with [18F]acetylhypofluorite yields 6-[18F]fluoro-L-dopa with 95% radiochemical purity; fluorination of the same substrate with [18F]F2 yields a mixture of all three structural isomers in a ratio of 70:16:14 for 6-, 5-, and 2-fluoro compounds.
(2) We have compared two new methods (a solvent extraction technique and a method involving a disposable, pre-packed reverse phase chromatography cartridge) with the standard method for determining the radiochemical purity of 99Tcm-HMPAO.
(3) The purity and configuration of each isomer of the free acid and N-chloroacetylated derivative were ascertained by: (a) paper chromatography in five solvent systems, (b) elemental analysis, (c) Van Slyke nitrous acid determination of alpha-carbonyl carbon, and (d) Van Slyke ninhydrin determination of alpha-carbonyl carbon, and (e) optical rotation.
(4) The observed purity under the selected conditions ranges from 80%-99% and is in accordance with the estimates of the purities made on the basis of the simultaneously recorded pulse shapes.
(5) When PMC purified to greater than 99% purity were cultured in methylcellulose with IL-3 and IL-4, approximately 25% of the PMC formed colonies, all of which contained both berberine sulfate-positive and berberine sulfate-negative mast cells.
(6) The Nazi party’s office of racial purity claimed that the Jewish character was essentially drug-dependent.
(7) It is suggested that more attention be paid to the 'purity' of scales if meaningful interpretation is to be made in treatment assessment.
(8) Based on the ratio of plasma membrane marker enzyme activity determined in the nuclear preparation, the purity of the isolated nuclei was ascertained.
(9) In contrast to high-purity commercial concentrates, fibronectin was considerably concentrated.
(10) The curiously double nature of the virgin in this tale, her purity versus her duplicity, seems unquestionably related to the infantile split mother, as elucidated by Klein--a connection explored in an earlier paper.
(11) Using 14C-labelled nitrous bases as starting substrates, labelled nucleosides and nucleotides can be obtained with the 75-80% yield that have radioactive purity of 95-99%.
(12) Purity was controlled by disc electrophoresis on polyacrylamide e gels at pH 4.3 and by two dimensional immunoelectrophoresis, respectively.
(13) The enzyme obtained by this procedure has both the biochemical and the spectral properties of EPO and shows a reasonable degree of purity, as judged by its rz value.
(14) Intact Golgi apparatus have been isolated with good purity from rat testis by a simplified sucrose gradient technique.
(15) Finally the higher purity degree of monoclonal antibodies in the cell culture supernatant is also a major advantage of serum free media.
(16) Once availed of the fallacy that athletes are role models, there’s a certain purity that feels almost quaint in an era of athlete as brand.
(17) A sensitive and specific analytical method was developed to determine the enantiomeric purity of naproxen.
(18) It imposes a standard of logical reductionism and methodological purity that not only violates the nature of psychoanalytic knowledge, but imposes an invalid standard of verification and scientific confirmation.
(19) Under these conditions, 79--100% of the cells were removed, yielding epithelial fractions of 65--90% purity.
(20) The purity of each sample was assured by measurement of the protein concentration of each sample and comparison of this parameter to known normal values for perilymph, serum, and CSF.