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Samples in periodicals archive:
Pramot said the deluge of floodwaters could mean salt levels fall from the usual level of around 32 parts per thousand to around two parts per thousand, and in the inner gulf the water will be like fresh water.
Because salinity levels in the open ocean vary by only about five parts per thousand, Aquarius will be able to detect changes as small as approximately two parts per 10,000, equivalent to about one-eighth of a teaspoon of salt in a gallon of water.
The underground water had a salinity of 26 parts per thousand (ppt).
In this case, the water had a salinity of only 5 parts per thousand as compared to the 35 parts per thousand in most of the world's oceans.
Typically, the proportion of the carbon-13 isotope found in kerogen and other hydrocarbons is between 1 and 3 parts per thousand less than the proportion found in the original organic matter from which those substances derived, Fletcher says.
The concentration of the heavier isotope, carbon-13, in some of the microdiamonds was around six parts per thousand lower than normal, says Whitehouse.
44]Ca, or the difference in parts per thousand between the 44 Ca /[sup.
Units range from $5000 for hand-held devices measuring gases in parts per thousand up to $100,000 for industrialsize lab units capable of measuring parts per million.