Harm of excessive sulfuric acid in anodic oxidation

1, the film hardness is not enough.

2. During oxidation, the film dissolves quickly, which is not conducive to the formation of oxide film.

3. For dyed products, because of the large micropores formed, the color will be high soon, and the color will fade more when cleaning and sealing the holes.

4, easy to dissipate heat is not good, electric burning.

Einstein's () paper explains the photoelectric effect.

Reflections on the teaching of the first volume of mathematics in the fifth grade: 900 words from 9 choices.

I want to write a small paper/requirement about Tang and Song poetry, and I want to grasp a problem for research and discussion. Help me think about what I can write.

Marketing Strategy of Modern China Tea Shop

Why did essence pharmaceutical fall so badly?

Ask for the names and profiles of famous foreign photographers.

Overall design and fixture design of S 195 diesel engine block three-side fine boring combined machine tool.

What did the great experimenter Faraday study?

Water Educates People, Wisdom Makes Xiaoxiang �� A Preliminary Study of Huxiang Water Culture

Do I need to add endnotes to my graduation thesis imitation?