Objective:To explore the possible mitochondrial DNA (mtDNA) polymorphism in Han Chinese.Methods:The complete mitochondrial genome of 26 unrelated healthy Han Ch
Shigella flexneri is an infectious pathogen that causes dysentery to human, which remains a serious threat to public health, particularly in developing countrie
Using degenerate primers and RT-PCR, RACE techniques, a 1491 bp cDNA segment of stearoyl-acyl carrier protein desaturase (SAD) is cloned from developing seeds o
The different extraction technology and purification technology of Hippohpae rhamoides polysaccharides were researched in the paper. The best method of papain e
Diversity indexes of current forestry view, such as dominance degree, fragmentation degree and overcast degree, were evaluated by the software ARCVIEWGIS. And d