1, with different gold contents.

When the signature of a paper is used in the evaluation of professional titles, the power of the first author is heavier than that of the second and third authors, but lighter than that of the personal signature. The scores of the first author, the second author and the third author of the paper decrease in order of rank.

2. Different contributions

The first author is generally the researcher who has made the greatest contribution to the work of this paper, not only contributing the most and most important charts (that is, physical contributions), but also writing the first draft of the article (that is, intellectual contributions). The second and third authors sign after the first author in descending order of contribution value.

3. Different responsibilities.

The first author is usually the main executor of the specific work, responsible for the main experimental results, and also the author of the first draft of the article, that is, the intellectual contribution to this article, and the responsibility undertaken by the second author is also ranked after the first author.

Second, the author found that:

How people want to be the first author when browsing periodicals and evaluating professional titles. Because the first author has made the greatest contribution to innovative scientific research achievements. At the same time, the chain effect and effect are also the most. Of course, it is necessary to clarify the relationship between * * * and the author, the relationship between the second author and the third author, and the issue of the right of signature.

On the signature of innovative works, such as scientific research papers, patents, research reports, etc. The name of the person who has made the greatest contribution to the work is usually signed at the front. Especially for the signature of scientific research papers, each journal has detailed regulations, and the weight of the first author is obviously heavier than that of the second and third authors when evaluating professional titles with the signature of papers.

Due to the complexity and diversity of scientific research, for example, hundreds of people sign a paper in bioinformatics. The first author refers to the person whose signature ranks first. Some articles have two or more first authors, which are called tied first authors. In this case, it is generally necessary to indicate the name of the person.