article announces that "the bio-degradation process leaves behind water, methane, carbon dioxide and biomass." both methane and carbon dioxide are widely considered undesirable in relation to carbon footprint. water is ok. this leaves me wondering what the 'biomass' residue is actually composed of chemically...
article announces that "the bio-degradation process leaves behind water, methane, carbon dioxide and biomass." both methane and carbon dioxide are widely considered undesirable in relation to carbon footprint. water is ok. this leaves me wondering what the 'biomass' residue is actually composed of chemically...
only chlorides and water miscibility (hydrocarbons) will be tested. additionally the non volatile matter (nvm), the colour, the permanganate fading time (ptt), as well as ultra violet transmission (uv) will be tested. a.m. tests will be especially performed after vegetable or mineral oils, but also...
the roots of your hair. measure a quarter sized amount of shampoo into the palm of your hair if you have short or medium length hair. you can double that amount if your hair is longer than your shoulders. rub between your palms and then softly work the shampoo into the roots of your hair, massaging, not...
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...
to minimize the formation of dioxins . [ ] [ ] non-chlorinated solvent waste can be burned for energy recovery . in contrast to this, chemical materials on the "red list" should never be washed down a drain. this list includes: [ ] compounds with transitional metals, biocides , cyanides , mineral oils...
the joint. when pressure is applied through rolls the process is called roll bonding. this is the technique used to manufacture the u.s. quarter. here two outer layers of % copper- % nickel are bonded to an inner layer of pure copper. to obtain the desired bond strength, the mating surfaces are chemically...