An international team led by Leiden University astronomers now suggests that ammonium hydrosulfide salt could solve both mysteries. According to their new study, sulfur can bind with ammonium under ...

IN earlier work 1 the rate of oxidation of the 110 faces of zinc sulphide was measured by use of a thermobalance. Below 830° C. the rate was found to be ‘chemically controlled’, being an ...

ADAS has compiled a series of updated guidelines, advising farmers on how they can make best use of organic manures and ...

The experiments showed that volatile NH 3 (ammonia, well-known from detergents) and volatile H 2 S (hydrogen sulfide, the smell of rotten eggs) react rapidly to form NH 4 SH (ammonium hydrosulfide ...

The presence of urea, nitrate or ammonium chloride as a nitrogen source did not significantly improve the ... The presence of thiosulphate, sulfate, sulfite or sulfide as a sulfur source also caused a ...

Questioning the ethical and moral grounds of preemptive intervention tactics and shady prisoner exploitation of the ...

BACKGROUND Butyrate oxidation within the colonocyte is selectively inhibited by hydrogen sulphide, reproducing the metabolic lesion observed in active ulcerative colitis. AIMS To study generation of ...

The vapor of sulphide of carbon burned in oxygen g-as or oxygen burned in sulphide of carbon produces a light so intense that the eye can scarcely bear it, and yet we are certain that no solid ...