Effects of 3,4-dihydroxy acetophenone stress on changes in the content of endogenous plant hormones during seed germination in Picea schrenkiana ssp. tianschanica Effect of DHAP on biomechanic properties of pulmonary artery endothelial cells and erythrocytes Change of Endogenous Plant Hormones Contents during Seedling Growth of Picea schrenkiana Treated with DHAP Mechanism of inhibition of 3, 4-dihydroxyacetophenone on LPS-induced apoptosis of RAW264.7 macrophage in mice