1. Serious plagiarism: plagiarism is one of the dishonest behaviors in scientific research, which seriously affects the normal conduct of academic research and the reliability of results.

2. Fabricating data: Fabricating data is another manifestation of dishonesty. In order to get the expected research results, some scientists will tamper with the experimental data or make other forms of fabrication, which will make the research results lose authenticity and credibility.

3. False evaluation: In academic evaluation, some scientists may improve their academic status and reputation through improper means, such as forging quotations and purchasing papers. These false evaluation behaviors undermine the fairness and objectivity of academic evaluation.

The concrete manifestations of the lack of scientific research integrity are plagiarism, fabricated data, false evaluation and so on. These behaviors have seriously affected the reliability of academic research and the fairness of academic evaluation, and brought adverse effects on scientific development and human progress.