资讯
Lead sulfide is an inorganic compound with the chemical formula PbS. It is also known as galena, which is the principal ore and important compound of lead. It is one of the earliest materials to be ...
Lead sulfide -- also known by its mineral name, galena -- is a naturally occurring mineral found in Missouri, other parts of the world, and now . . . other parts of the solar system.
In chemical terms, dimethyl sulfide comprises one atom of sulfur bonded to two methyl groups, each of which contains one carbon atom and three hydrogen atoms. The result is a small molecule with ...
Lead sulfide (PbS) and lead selenide (PbSe) infrared detectors are especially attractive because of their wide useful wavelength range. This becomes apparent by looking at the wavelength coverage of ...
They saw that the strands were shot through with lead-sulfide crystals averaging 4.8 nanometers in size--about the same as the so-called quantum dots studied by researchers today.
One of the gases that leaked from the Pemex facility in Deer Park on Thursday was hydrogen sulfide. ... 2 dead, at least 35 injured after chemical ... 700 parts per million can lead to ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果