(a.) In the form, or of the nature, of gas, or of an aeriform fluid.
(a.) Lacking substance or solidity; tenuous.
Example Sentences:
(1) The use of gaseous insecticides in the chemical control of T. infestans is discussed.
(2) 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.
(3) The causes were: restricted respiratory movements due to pain, compression of the lungs or pathological changes in the injured lung, and they affected the normal gaseous exchange in a variety of ways.
(4) Blood gaseous composition, mechanisms controlling hemoglobin affinity to oxygen and hemoglobin effects of a single captopril dose were assessed in 124 patients with chronic heart failure (CHF).
(5) In case of B. cinerea, the effect of the volatile and gaseous exudates of the germinating seeds of all plants used on the fungal spore germination differed according to both the sugar and nitrogen source absorbed.
(6) The physiological measurements were arterial oxygen saturation, heart rate, ventilatory frequency, and gaseous analysis in the mask.
(7) This method offers the possibility of a new approach to study of the mode of action of gaseous aerocontaminants on the respiratory tract and particularly upon phagocytic defences.
(8) This research deals with the gaseous and biochemical changes in the cerebrospinal fluid and their effects on the cerebral blood flow and metabolic rates in the acute stage of brain injury.
(9) About 136 gaseous compounds are analysed in animal house air of which 22 are quantified, only.
(10) These observations indicate that, despite the great variation in the fecal flora among individual mice, it is possible to discover the effects induced by altered gaseous environments.
(11) Different variants of the method are estimated and the optimal conditions of cultivation are described (nutrient medium, gaseous phase, depth of explants' immersion, rate of medium flow, etc).
(12) Suspensions of Pseudomonas aeruginosa and Bacillus cereus were continuously sparged with nitrogen to remove gaseous products of nitrate reduction.
(13) These include: (1) atmospheric HCl will most commonly exist in the gaseous form; (2) long-range transport of HCl is probably of limited importance; (3) ambient HCI levels are in the low parts per billion range; (4) irritation of the upper airways appears to be the most sensitive indicator of exposure; (5) such effects are likely to occur only at exposure levels much greater than those measured in ambient air; and (6) future health research should focus on occupationally exposed populations and potentially sensitive subgroups, e.g., asthmatics.
(14) It was established that mildronate produced a positive effect on the hemodynamics and gaseous composition of the blood.
(15) Tests based on the analysis of the gaseous components of expired air have been developed to study intestinal absorption and intermediary metabolism of various nutrients.
(16) The oral strains were able to utilize gaseous hydrogen and to grow in a mineral medium with either nitrate of fumarate as hydrogen acceptor.
(17) Significant variations (p less than .005) were observed for the particleboard mass and gaseous formaldehyde collected between sample runs.
(18) Cultures of the sublines were also maintained with either a gaseous phase of 0-1% oxygen or atmospheric (18%) oxygen.
(19) These observations suggested that animals effectively inhaled both gaseous and particulate phase constituents of cigarette smoke.
(20) The concentration of gaseous sulfur showed always a larger variation coefficient than that of particulate sulfur.
Vapour
Definition:
Example Sentences:
(1) Such an 'inert tube' model may be adequate to describe the inhalation and exhalation kinetics of inert vapours, for example non-polar solvents which have a low water solubility.
(2) There have been reports of difficulties with the seating and locking of the vaporisers which can cause a leak and failure of vapour delivery.
(3) Following exposure to white spirit vapour, the effect of the expired solvent on evidential breath alcohol equipment was investigated under controlled exposure chamber conditions and in a simulated painting exercise.
(4) It was also noted that after the administration of tryptophan blue fluorescence was observed in some cells of the pars distalis prior to formaldehyde vapour treatment.
(5) As radiation sources, the following ones have proved useful: high-pressure mercury-vapour lamps, compound radiation systems consisting of high-pressure mercury-vapour burner, series coiled filament and reflector bulbs made of special glass as well as halogen metal-vapour lamps.
(6) Acute inhalation of nitrous vapours did not cause any damage to the respiratory apparatus detectable via spirometric or X-ray tests in the four workers who were actually exposed and kept under observation during the two months following the explosion of a tank containing nitric acid.
(7) All had been regularly exposed to high air vapour peaks as well as to skin contamination.
(8) Simple formulae expressing average and maximum concentrations of solvent vapour in indoor air during the application of paints, glues, and the like, have been derived using a six parameter mathematical exposure model MEM 1.
(9) This study evaluates the influence of mineral oil and linoleic-acid-containing emulsions on the skin vapour loss (SVL) of detergent-induced irritant skin reactions.
(10) The light-harvesting protein phycoerythrocyanin from the cyanobacterium Mastigocladus laminosus Cohn has been crystallized in two different crystal forms by vapour diffusion.
(11) Stimulation of the nasal mucous membrane with ether vapour or water caused apnoea, bradycardia, a rise in arterial blood pressure and an increase in adrenal medullary catecholamine secretion.3.
(12) This explains why, despite water vapour constituting the largest part of the greenhouse effect, the world's science academies have agreed , there is strong evidence that human activities are driving the observed change in temperatures .
(13) All the anaesthetists (n = 81) thought that their work involved some exposure to anaesthetic gases or vapours; however, 21 (7%) of the 319 nurses believed they were not exposed although they spent some time in operating theatres or recovery rooms.
(14) By the combined use of gas chromatography and mass spectrometry the methyl esters of hippuric acid and m-methylhippuric acid were identified in the urine of a volunteer who had been exposed to toluene and m-xylene vapours.
(15) The workplaces were ventilated and the concentrations of vapours did not exceed Threshold Limit Values (TLVs).
(16) Single crystals of Clara cell 10,000 Mr protein have been grown by vapour diffusion in the presence of ammonium sulphate.
(17) Comparisons were made with alternative methods for determining the concentration of white spirit vapours in air samples.
(18) A seed globulin from Vicia narbonensis L. has been crystallized by vapour diffusion induced pH-shift.
(19) In his dreamlike view of the world, bits of buildings are liberated to take on their own lives and attempt unexpected feats: floors can shift and windows can hover – and now, it seems, planes can spurt out shimmering aluminium vapour trails.
(20) The effects of prolonged exposure to ammonia vapour on the histological pattern and enzymatic activity of the respiratory nasal mucosa of 75 adult male mice were investigated and compared with a control group.