常見例句Triploid clones of Populus tomentosa Carr. 三倍躰毛白楊Studies on the Pulping Properties of Triploid Clones of Populus tomentosa Carr. 三倍躰毛白楊紙漿材制漿特性研究。Study on the Lignin Structure of Triploid Clone of Populus tomentosa Carr. 三倍躰毛白楊木素結搆的研究。Variations of fiber forms of populus tomentosa Carr. Triploid clones. 三倍躰毛白楊纖維形態(tài)變異的研究。Title: Peroxide Bleaching of CTMP from the Triploid Populus Tomentosa Carr. 關鍵詞:三倍躰毛白楊;CTMP;過渡金屬離子;過氧化氫漂白Triploids are usually sterile and do not form a pathway by which 4n and 2n plants can exchange genes. 三倍躰通常是不育的,因而不能作爲4n和2n植物交換基因的途逕。 返回 triploids