(n.) The whole mass of aeriform fluid surrounding the earth; -- applied also to the gaseous envelope of any celestial orb, or other body; as, the atmosphere of Mars.
(n.) Any gaseous envelope or medium.
(n.) A supposed medium around various bodies; as, electrical atmosphere, a medium formerly supposed to surround electrical bodies.
(n.) The pressure or weight of the air at the sea level, on a unit of surface, or about 14.7 Ibs. to the sq. inch.
(n.) Any surrounding or pervading influence or condition.
(n.) The portion of air in any locality, or affected by a special physical or sanitary condition; as, the atmosphere of the room; a moist or noxious atmosphere.
Example Sentences:
(1) I'm married to an Irish woman, and she remembers in the atmosphere stirred up in the 1970s people spitting on her.
(2) and then placed in the chamber containing a CO atmosphere (0.325-0.375%).
(3) The free nucleoside IV was obtained by removal of blocking groups by sodium methoxide catalyzed deacylation, deionization under reducing atmosphere, and chromatography on neutral alumina.
(4) It was an artwork that fired the imaginations of 2 million visitors who played with, were provoked by and plunged themselves into the curious atmosphere of The Weather Project , with its swirling mist and gigantic mirrors that covered the hall's ceiling.
(5) However, growing accustomed to “this strange atmosphere”, the Observer man became dazzled by Burgess’s “brilliance and charm”.
(6) Photosynthetic activity of the cells was checked by placing the cell evenly illuminated in a (14)CO(2) atmosphere.
(7) The fact that it is still used is regrettable yet unavoidable at present, but the average quantity is three times less than the mercury released into the atmosphere by burning the extra coal need to power equivalent incandescent bulbs.
(8) The behavior and effects of atmospheric emissions in soils and plants are discussed.
(9) After unsuccessful treatment with surgical debridement and high-dose antibiotic therapy, hyperbaric oxygen therapy was administered in a multiplace recompression chamber (one hour of treatment at 1.8 atmospheres absolute followed by a 30 minute "ascent" to surface pressure).
(10) An atmosphere of hydrogen eliminates this inhibition in the hydrogenase-containing T. foetus but not in E. invadens which lacks the enzyme.
(11) The worldwide pattern of movement of DDT residues appears to be from the land through the atmosphere into the oceans and into the oceanic abyss.
(12) There could be no faulting the atmosphere or the football drama.
(13) The loss of summer sea ice has led to unusual warming of the Arctic atmosphere, that in turn impacts weather patterns in the northern hemisphere , that can result in persistent extreme weather such as droughts, heatwaves and flooding," she said.
(14) Facebook Twitter Pinterest José Mourinho launched a withering attack on the lack of atmosphere generated by Chelsea’s home supporters after their 2-1 victory against QPR , saying it felt like his side were playing at an “empty stadium”.
(15) In a report published online by the journal Atmospheric Chemistry and Physics , experts from Europe and the US estimated that the quantity of the radioactive isotope caesium-137 released at the height of the crisis was equivalent to 42% of that from Chernobyl.
(16) The DCM sampler is expected to contribute to public health impact assessments by facilitating detailed determinations of the identities, compositions, concentrations, sources, formation mechanisms, and biological activity of environmental toxicants in gaseous atmospheres.
(17) The results show that the atmospheric concentrations of VCM are well below accepted occupational exposure limits.
(18) It is suggested that the atmosphere of Athens favours the formation of secondary direct-acting mutagens due to the oxidation and nitration of PAH by ozone and nitrogen oxides, which are more abundant in the late spring months.
(19) The authors conducted the course together and an atmosphere of intellectual honesty was developed through open discussion between faculty and students.
(20) The effectiveness of this legislative measure is evaluated here by comparison of data on atmospheric lead levels in the city of Turin, and blood lead levels in A.V.I.S.
Ozone
Definition:
(n.) A colorless gaseous substance (O/) obtained (as by the silent discharge of electricity in oxygen) as an allotropic form of oxygen, containing three atoms in the molecule. It is a streng oxidizer, and probably exists in the air, though by he ordinary tests it is liable to be confused with certain other substances, as hydrogen dioxide, or certain oxides of nitrogen. It derives its name from its peculiar odor, which resembles that of weak chlorine.
Example Sentences:
(1) We studied the effect of a 2-hour exposure to 0.6 ppm of ozone on bronchial reactivity in 8 healthy, nonsmoking subjects by measuring the increase in airway resistance (Raw) produced by inhalation of histamine diphosphate aerosol (1.6 per cent, 10 breaths).
(2) Carbon monoxide accelerates the reaction as measured by nitric oxide oxidation or ozone formation.
(3) It is suggested that the atmosphere of Athens favours the formation of secondary direct-acting mutagens due to the oxidation and nitration of PAH by ozone and nitrogen oxides, which are more abundant in the late spring months.
(4) Therefore, more research of the effects of ozone on birds seems to be necessary, both from a mechanistic and an ecological point of view.
(5) Using this assay, we studied the effects of exposure to ozone (O3), hexachlorobenzene (HCB), and bis(tri-n-butyltin)oxide (TBTO) on NK activity in rat lung.
(6) The campaign’s focus was the damage to the ozone layer caused by fluorinated gases, such as HFCs.
(7) Particular attention was given to both the qualitative and quantitative evaluation of ciliated cells in the nasal respiratory epithelium in response to ozone exposure.
(8) Results indicate also that ozone sensitivity, radiosensitivity, and mucoidy are pleiotropic properties of the lon gene.
(9) Endothelial prostacyclin synthesis returned to baseline levels by 12H after ozone exposure, a time point which was similar to the recovery time of unexposed endothelium treated with 0.5 uM acetylsalicylic acid.
(10) After ozone-exposed mice had been returned to ambient air for 10 days, ciliary regeneration occurred and, the major airways had a surface appearance approaching the normal state.
(11) Pulmonary fibrosis is a consequence of severe injury from some toxic agents including high doses of ozone.
(12) In the first experiment, rats were fed fat-free diets and exposed to ozone for 0, 1, 2, and 4 weeks.
(13) A mathematical model of ozone absorption, or for any soluble gas that has similar transport properties, is developed for a branching network of liquid-lined cylinders.
(14) Serial exposures to peak levels of ozone on several consecutive days are more characteristic of pollution episodes in the Northeast United States and may be associated with recurrent symptoms.
(15) The enhancement of metastasis due to ozone exposure varied with length of exposure and concentration of ozone.
(16) The present data indicate that the incidence of skin cancer would increase by approximately 2% for each percent ozone reduction.
(17) And yet, trusting the science, and with international leadership, an agreement – the Montreal Protocol – was signed within two years of the discovery of a hole in the ozone layer in the southern polar region.
(18) Ozonized water placed in an open dish kept up antimicrobial activity for the first 20 minutes, but after 30 minutes this activity decreased substantially.
(19) However, single, 40-min exposures of RTE cells to approximately 10 ppm ozone did result in approximately 40% decreases in colony-forming efficiency.
(20) The present studies were undertaken to examine the effects of exposing asthmatics to ozone concentrations that occur in the environment.