Advances in studies on dried lacquer and it‘s orginal plant oxicodendron vernicif luian Variation Analysis of Oil and Fat Compositions between Chinese Wild Lacquer and Japanese Wild Lacquer Studies on the Allergic Principle of Lacquer Variation of Urushiol Content in Raw Lacquer and the Bark Structure of Toxicodendron vernicifluum in Different Seasons and Their Correlation The Ethnobotany and Developmental Strategy of “Ba Qi” Effect of Clear Lacquer on Textural Vision of Wood Surface Studies on the relativity between lacquer trees embryo endosperm development and its flowering fruiting Studies on the Relation Between the Ultrastructure of Secretory Cells and Their Synthesis and Secretion of Lacquer in Laticiferous Canals of Rhus verniciflus