What's the difference between humidity and vapour?

Humidity


Definition:

  • (n.) Moisture; dampness; a moderate degree of wetness, which is perceptible to the eye or touch; -- used especially of the atmosphere, or of anything which has absorbed moisture from the atmosphere, as clothing.

Example Sentences:

  • (1) at -35 degrees C and as long as 10 hours at -5 degrees C. However, C. bovis died within 72-96 hours in muscles of cattle carcasses subjected to the activity of the temperatures minus 18-19 degrees C at a relative humidity of 86-90% under conditions of an industrial cold storage plant.
  • (2) Temperature, relative humidity, and air movement around the package can influence the permeability of the film.
  • (3) Infrared linear dichroism investigations indicate that the alternating poly[d(A-T)]-poly[d(A-T)], enzymatically synthesized, adopts a lower humidity a well-expressed A* form in which stability is relatively small,i.e., restricted to limited relative humidity.
  • (4) The influence of salt mixtures consisting of Ca(H2PO4)2, trace elements, CaSO4, CaCO3, Na2CO3, NaCl and K2SO4 in different combinations on the nitrifying power, evolution of carbon dioxide and the total number of bacteria was studied in arid soils (sandy and alluvial) and semi-humid ones (chernozem and rendzina).
  • (5) We assessed the longitudinal distribution of intra-airway heat and water exchanges and their effects on airway wall temperature by directly measuring respiratory fluctuations in airstream temperature and humidity, as well as airway wall temperature, at multiple sites along the airways of endotracheally intubated dogs.
  • (6) The structural transitions B leads to A and B leads to C measured as a function of relative humidities were not affected by formation of complexes with both basic polypeptides.
  • (7) The study was conducted to evaluate the effect of ageing on textiles (17.5 months), air temperature (25-45 degrees C) and relative air humidity (RH) (45-85%) on the CH2O release rate from 6 kinds of drapers and furniture coverings.
  • (8) In the absence of other factors known to influence sectioning properties, high environmental relative humidity is shown to yield poorly embedded tissue.
  • (9) At 10% humidity the half-life-time was only 55 min.
  • (10) The effects of a number of drugs, potassium and calcium ions, and air humidity on mucociliary function were studied in isolated preparations of rats bronchial tree.
  • (11) Minimum relative humidity and maximum and minimum temperatures on day of evening sample were associated with 1.6 to 5.6% of variability within lactation (range for two breeds) of milk and milk constituent yields and 1.1 to 16.5% of constituent percentages.
  • (12) The correlation analysis applied showed that the parameters most markedly influencing the grain concentration of most taxa were the temperature and humidity.
  • (13) A difference density map obtained from data on purple membrane films at 15% relative humidity in 2H2O, and the same sample after complete drying in vacuum, revealed that about eight of these protons belong to four water molecules.
  • (14) The facility presents uniform fields under controlled temperature and humidity.
  • (15) Humidity has been postulated as a primary determinant of particle charge during aerosol generation.
  • (16) At high humidities up to 98%, an increase in bacteria cannot be detected.
  • (17) Successful colonization and invasion of experimentally inoculated feathers required addition of moisture and elevation of relative humidity within the cultures.
  • (18) These samples were collected from atmospheres of either analyte generated at 35 degrees-40 degrees C and 80%-90% relative humidity to simulate an exhaled breath sample matrix.
  • (19) It has been established that the structure of the hormone includes a set of regular helical forms which varies considerably with the humidity and dielectric constant of the medium.
  • (20) The presence of Daubentonia in southern Madagascar does not demonstrate that this region was markedly more humid or densely forested in the recent past.

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.