(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.
Solvent
Definition:
(a.) Having the power of dissolving; dissolving; as, a solvent fluid.
(a.) Able or sufficient to pay all just debts; as, a solvent merchant; the estate is solvent.
(n.) A substance (usually liquid) suitable for, or employed in, solution, or in dissolving something; as, water is the appropriate solvent of most salts, alcohol of resins, ether of fats, and mercury or acids of metals, etc.
(n.) That which resolves; as, a solvent of mystery.
Example Sentences:
(1) 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.
(2) Twelve strains of the Crimean hemorrhagic fever (CHF)-Congo group of viruses the Bunyaviridae family were investigated with respect to sensitivity to lipid solvents and temperature, pathogenicity for animals, interactions with cell cultures and antigenic relationships.
(3) The conformations of each peptide in various solvents were determined by CD and ir spectroscopy in order to relate immunological to structural properties.
(4) The kinetics of bimolecular decay of alpha-tocopheroxyl free radicals (T) was studied by ESR mainly in ethanol and heptanol solvents.
(5) 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.
(6) As compared with solvent-treated control, no significant increases were observed in the number of revertant colonies in all tester strains in both systems with and without mammalian metabolic activation (S9 Mix).
(7) The results are summarized in Table I, indicating that the ratio of formation of the cis product (2) increases as a solvent becomes more polar.
(8) These data are discussed in relationship to the chemical mechanism of GSSG reduction and the identity of the proton-transfer step whose rate is sensitive to solvent isotopic composition.
(9) It was readily soluble, however, in nonpolar solvents such as n-hexane and chloroform.
(10) Small amounts (approximately 1% of substrate) of two 25(OH)D3 metabolites, which comigrated with 5(E)- and 5(Z)-19-nor-10-keto-25-hydroxyvitamin D3 on two HPLC solvent systems, were synthesized by HL-60 cells, independently from 1,25(OH)2D3 treatment or stage of cell differentiation.
(11) As yet the observations demonstrate that workers exposed in their occupation to heavy metals (cadmium, lead, metalic mercury) and organic solvents should be subjected to special control for detection of renal changes.
(12) The significance of the present findings on the mutual suppression of metabolism between benzene and toluene is discussed in relation to solvent toxicology and biological monitoring of exposure to the solvents.
(13) CZP reduced the incidence of convulsions only after the larger dose, but plain solvent (propylene glycol, ethanol, water) was equally effective.
(14) The method involves solvent extraction of the compounds from plasma, derivatization with pentafluoropropionic anhydride and subsequent separation on a 3% OV-17 column.
(15) RF values were determined in several solvent systems.
(16) From the previously observed results of preferential interactions for salting-out salts with proteins, it was shown that the free energy of the protein is increased by addition of the salts and this unfavorable free energy is smaller for the proteins bound to the columns because of their smaller surface area exposed to solvent; i.e., the bound form of the proteins is thermodynamically more stable.
(17) 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.
(18) Results indicate that the rachitogenic factor in rye is not present in the ash portion of the grain, that it can be largely overcome by water extraction and penicillin supplementation, and that an organic solvent extraction has no effect.
(19) The possible occupational cause of the disease, as more solvents in the mud have the structure of aromatic hydrocarbons is discussed.
(20) Reductions in dissolution rates in a continuous-flow system could best be interpreted by assuming that they reflected changes in the area of the hydrophilic solid exposed to the solvent.