Polyoxyethylene castor oil CAS 61791-12-6
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In fact, in essence, nickel-based alloys are also a kind of stainless steel. They are just special stainless steels. The chemical composition is also different from ordinary stainless steel.…
At 23:36 local time on the 16th (22:36 Beijing time on the 16th), a strong earthquake occurred in the waters near Fukushima Prefecture, Japan. Early this morning, the Japan Meteorological Agency revised the magnitude from 7.3 to 7.4. So far, the eart…
Nanotechnology is a high-tech that emerged in the late 1980s. Its basic meaning is to study the composition of matter in the nanometer size range and to create new substances by directly manipulating and arranging atoms and molecules.…