This journal is a natural science academic journal approved by the former State Science and Technology Commission and the State Press and Publication Administration, and sponsored by Jiamusi University, director of the Education Department of Heilongjiang Province. Journal is the excellent sci-tech periodical in Heilongjiang Province, the core periodical of statistical source of China sci-tech papers, the source of Chinese science citation database and Wanfang data resource system. This paper mainly reports the scientific research achievements and academic trends of the school and related fields at home and abroad to provide readers with the latest scientific and technological information. The types of articles are academic papers, research reports, summaries and scientific research briefings. Readers are teachers and students in colleges and universities, researchers in research institutes and engineers and technicians in factories and mines.