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...er using the oxidation of inorganic molecules (e.g. hydrogen gas, hydrogen sulfide) or methane as a source of energy, rather than sunlight, as in photosynthes ...acteria that utilize the oxidation of inorganic compounds such as hydrogen sulfide, ammonium or ferrous iron as an energy source are chemoautotrophs (some are

...er using the oxidation of inorganic molecules (e.g. hydrogen gas, hydrogen sulfide) or methane as a source of energy, rather than sunlight, as in photosynthes ...acteria that utilize the oxidation of inorganic compounds such as hydrogen sulfide, ammonium or ferrous iron as an energy source are chemoautotrophs (some are

...spodumene and tantalite can be treated using oxalic acid based collectors. Sulfide ores can be recovered using xanthate or dithiophosphate type collectors.

...spodumene and tantalite can be treated using oxalic acid based collectors. Sulfide ores can be recovered using xanthate or dithiophosphate type collectors.

In this circuit, R2 is a cadmium sulfide cell (CdS cell) - that is, a light-sensitive resistor. When exposed to ligh

In this circuit, R2 is a cadmium sulfide cell (CdS cell) - that is, a light-sensitive resistor. When exposed to ligh

...for gold but pyrite is by far the most common. Pyrite is composed of iron sulfide, and can easily be distinguished from gold because it is much less dense an

...for gold but pyrite is by far the most common. Pyrite is composed of iron sulfide, and can easily be distinguished from gold because it is much less dense an