3D printing is changing almost every industry in the world. It changes the way we design and produce clothing; it changes the way cars are manufactured and delivered, and even enters our kitchens. You may have a 3D printer on your desk.…
French scientists have confirmed for the first time through genome sequencing that the "deltacron" variant of the new coronavirus that has previously attracted a lot of attention does exist, which combines the mutations in the new coronavirus delta v…
Molybdenum disulfide isan inorganic substance with the chemical formula MoS2, which is the maincomponent of molybdenite. Black solid powder with a metallic luster. Themelting point is 2375 degree centigrade, and the Mohs hardness is 1.0-1.5. The prod…
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