The French mathematician Blaise Pascal reasoned that if the column of mercury was supported by air then the column ought to be shorter at higher altitude where the air pressure is lower.

Significance By observing the mercury in the column while releasing the air pressure with a control valve, one can read the values of the blood pressure in mm Hg.

The mercury cycle is a biogeochemical cycle involving mercury.

Mining mercury or burning coal results in releasing mercury.

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Water column engines The largest possible design of a water engine is the directly acting water column engine or water column machine (German Wassersäulenmaschine ).

Here mercury (Hg2 ) is bound very tightly to sulfur, but weathering slowly releases the mercury to the environment.

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Stephen Palumbi Following the mercury trail

UN Peace Keeping (column 11) Expenditures for UN Peace Keeping are included in column (2), Land Forces.

Fish and shellfish concentrate mercury in their bodies, often in the form of methylmercury, a highly toxic organic compound of mercury.

In the column headed Organ

HgSe is a relatively stable compound which might mean that it is less toxic than elemental mercury or many organometallic mercury compounds.

Different proteins interact differently with the column material, and can thus be separated by the time required to pass the column, or the conditions required to elute the protein from the column.

For example, herring contains mercury levels at about 0.1 parts per million, while shark contains mercury levels greater than 1 part per million.

Annex, column headed Reason for discontinuation

Page 3, second column, last paragraph

Processes Most natural mercury occurs as cinnabar, HgS.

Technological innovations have replaced mercury in batteries, dental fillings, and thermometers mercury consumption is down 98 and, by 2000, the price was down 90 .

h Department of Homeland Security outlays on defense related activities are in Column 12 and other outlays are in Column 14.

Elders in the community recall collecting mercury from the local toxic waste dump by pouring water, then selling the collected mercury on the black market.

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All untagged proteins pass through the column.

Page 3, first column, after The President

Page 35, second column, bottom of page

Page 36, first column, top of page

There are also trace amounts of mercury in coal.

Volcanoes and forest fires are also sources of mercury.

This mercury is deposited back onto land and water.

A water column is a conceptual column of water from the surface of a sea, river or lake to the bottom sediments.

Methyl mercury is formed in the ocean from mercury created by the burning of fossil fuels such as petroleum and coal in automobiles and power plants.

In elementary arithmetic, a carry is a digit that is transferred from one column of digits to another column of more significant digits.

Its mass is roughly half that of the planet Mercury.

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Page 4, second column, agenda item 43 (continued)

Hydrostatic pressure can be analyzed by the height of a water column, which effectively yields the pressure at a given depth of the column.

The inner terrestrial planets consist of Mercury, Venus, Earth, and Mars.

Both Mariner 10 and MESSENGER performed this maneuver to reach Mercury.

In February 1959, the mercury distribution in Minamata Bay was investigated.

This is smaller than the orbit of Mercury around the Sun.

It's a sort of Ann Landers' column writ large.

LONDON This is my last column for a while.