purify oxygen
71Motor oil — For the TV documentary focused on the Edmonton Oilers of the National Hockey League, see Oil Change (TV Series). Motor oil sample Motor oil or engine oil is an oil used for lubrication of various internal combustion engines. The main function is… …
72Greywater — An effective greywater treatment system used at Occupy Wall Street to water Zuccotti Park s plants, October 2011[1] Greywater is wastewater generated from domestic activities such as laundry, dishwashing, an …
73Shielded metal arc welding — (SMAW), also known as manual metal arc (MMA) welding, flux shielded arc welding …
74Reef aquarium — See also: Marine aquarium Reef aquarium in Monaco A reef aquarium or reef tank is an marine aquarium that prominently displays live corals and other marine invertebrates as well as fish that play a role in maintaining the coral reef environment.… …
75Hopcalite — is a mixture of copper and manganese oxides used as catalyst to convert carbon monoxide into carbon dioxide when exposed to the oxygen in air.Commercial products vary in composition, however a common ratio is approximately 3:1 manganese dioxide …
76Sodium sulfite — anhydrous …
77Rough Science — is a UK factual television series made by the BBC in collaboration with the Open University and has, as of 2005, had six series. It is broadcast in prime time on BBC Two and is considered something of a break out hit for the Open University.… …
78Felix Hoppe-Seyler — Ernst Felix Immanuel Hoppe Seyler (December 26, 1825 ndash; August 10, 1895) was a German physiologist and chemist.Hoppe Seyler was born in Freyburg an der Unstrut in the Province of Saxony. He originally trained to be a physician in Halle and… …
79Germanium tetrachloride — Germanium tetrachloride …
80RLI — protein Name=ATP binding cassette, sub family E (OABP), member 1 caption= width= HGNCid=69 Symbol=ABCE1 AltSymbols=RLI, OABP EntrezGene=6059 OMIM=601213 RefSeq=NM 002940 UniProt=P61221 PDB= ECnumber= Chromosome=4 Arm=q Band=31… …
