etchant (class / ) etching to produce porous or perforated article (class / ) gas phase and nongaseous phase etching on the same substrate (class / ) gas phase etching of substrate (class / ) with measuring, testing, or inspecting (class / ) irradiating, ion implanting, alloying, diffusing, or chemically...
by law on tribal lands. indigenous communities would be consulted on economic projects, as stipulated in brazil's constitution, but they would not have the power to veto projects decided by the government, o globo reported on saturday. the bolsonaro government, which declined to comment on the o globo...
inert gas (class / ) determination of water (class / ) in petroleum oil, hydrocarbon oil or organic fluid (class / ) by use of a cobalt, copper or nickel containing reagent (class / ) by use of a karl fischer reagent (class / ) automated chemical analysis (class / ) utilizing a moving indicator strip...