... A Cochrane review of six studies, five using negative ion generators and one with a positive ion generator, found ...

... asthma. A Cochrane review of five studies using negative ion generators and one with a positive 1++ ion generator ...

... asthma. A Cochrane review of five studies using negative ion generators and one with a positive 1++ ion generator ...

... zinc through a con- necting wire. Elec- tric generators serve the same ultimate purpose as the gal- vanic cell, that is, to separate negative from positive ions and to cause them to travel in opposite ...

... of ions through the air, positive ions downward, negative ions upward. In this global electrical circuit, unlike one that someone might set up to do some practical work, most of the resistance is in the generator. Upward of a million ohms (90 percent of ...

... negative charge by the loss or acquisition of negative electrons results in ... MOTOR GENERATOR A transforming device consisting of a motor mechanically ...

... Nitrogen N From viTpov (nitron), and ysnne (genesis), generator of nitre. Carbon C From carbo, coal, which is chiefly carbon. Chlorine Cl From (cliloros) green, the color of this element. Iodine I From iov (ion) a violet, and (eidos) likeness, in reference to the color of its vapor. Sulphur s From ...

... N From virgov (nitron), and ytve.au; (genesis), generator of nitre. Carbon C From ... likeness, in reference to the color of its vapor. Sulphur .... s From ...

... full of the prepared liquid, keep one for reference, and add to each of the others a ... by the negative ion. Note the time required in each case (?). What ...

... Nitrogen . . . N From virpov (nitron), and yivetns (genesis), generator of nitre. ... (eidos), likeness, in reference to the color of its vapor. Sulphur .... s From ...