aluminum aluminum trading copper copper trading gold gold trading lithium lead molybdenum nickel palladium palladium trading platinum platinum trading silver silver trading steel tin iron ore zinc zinc trading energy overview the world's top publically traded energy companies + price information how oil...
pigmentation. this common problem - in which you develop darker patches on your skin - is faced by both men and women. it is caused by excess melanin, the pigment that gives you your natural skin tone. when this pigment forms a deposit in the skin, it causes pigmentation (or hyperpigmentation). note: not...
transmitted and archived using many different non-proprietary file formats (mzml, mzdata, mzxml, mgf, dta, etc.). they all have their strengths and weaknesses (as well as proponents and opponents). the xml-based formats have become standards for the archiving of large data sets in a format that does not...