Why is bismuth comparable to gold?

Bismuth sulfide is a chemical substance with the molecular formula Bi2S3,insoluble in water, toxic, weakly radioactive, and harmless to the human body.…

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The main characteristics of bismuth sulfide powder

Bismuth sulfide is a chemical substance with the molecular formula of Bi2S3. It is widely used in solar cells, photodiode arrays and infrared spectroscopy. It can also be used to manufacture other bismuth compounds, free cutting steel additives and m…

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How is bismuth sulfide Bi2S3 powder produced?

Bismuth sulfide is a chemical substance with the molecular formula Bi2S3, insoluble in water, toxic, weakly radioactive, and harmless to the human body. For the preparation of bismuth compounds. Bismuth sulfide is an important semiconductor material.…

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Air bubbles in concrete: Why and How to deal with it?

The bubbles in concrete above 100μm are called large harmful bubbles, 100 ~ 50μm are called harmful bubbles, 50 ~ 20μm are called low harmful bubbles or harmless bubbles, and those below 20μm are called beneficial bubbles.…

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Nitinol powder properties

Nitinol titanium powder is a shape memory alloy,a special alloy that can automatically restore its plastic deformation to its original shape at a certain temperature, and has good plasticity.…

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