您要查找的是不是：
- Populus simonnii Carr 小叶杨
- Triploid clones of Populus tomentosa Carr. 三倍体毛白杨
- Studies on Seedling Traits of New Clones of Populus tomentosa Carr. 毛白杨新无性系苗期性状对比研究。
- Studies on the Pulping Properties of Triploid Clones of Populus tomentosa Carr. 三倍体毛白杨纸浆材制浆特性研究。
- Study on the Lignin Structure of Triploid Clone of Populus tomentosa Carr. 三倍体毛白杨木素结构的研究。
- Title： Peroxide Bleaching of CTMP from the Triploid Populus Tomentosa Carr. 关键词：三倍体毛白杨;CTMP;过渡金属离子;过氧化氢漂白
- Studies on Clonal Test and Spacing Effect of New Clones of Populus tomentosa Carr. 毛白杨新无性系对比试验与造林密度效应研究。
- Characteristics of lignin structure of triploid clones of Populus tomentosa Carr. 三倍体毛白杨木质素结构特性研究。
- THE EFFECT OF AIR FLOW METHOD TO THE MATHEMATICAL MODEL OF TRIPLOID OF POPULUS TOMENTOSA CARR. 三倍体毛白杨渗透率数学模型的研究。
- What is History?By Edward Hallett Carr. 卡尔:《历史是什么?》
- STUDIES ON FIBER MORPHOLOGY AND LIGNIN DISTRIBUTION OF THE TRIPLOID OF POPULUS TOMENTOSA CARR. 三倍体毛白杨纤维形态学参数及木质素微区分布的研究。
- Populus alba L. var. pyramidalis Bunge. 新疆杨
- Carr had a strange smile on his face. 卡尔先生睑上露出了怪异的笑。
- Big seedlings of Pinus tabulaeformis Carr. 油松大苗
- Keteleeria fortunei ( Mutt. ) Carr. 油杉
- Carr Ms Clsph(nca) Cldir(nca), Bernadette F. 放大图片 作者: Jacqueline H.
- Don't ask Carr to define 'true value. 别要求卡尔给出“真正价值”的定义。
- Effect of peroxidase location in cell wall on lignification progress of secondary xylem cell of Populus tomentosa Carr. 细胞壁中过氧化物酶的分布对杨树木质化过程的影响。
- Gene expression during the pegeneration of the vascular tissues of girdled trunk in populus tomentosa carr. 毛白杨剥皮在胜过程中基因表达研究。
- Effects of Fertilization on Contents of N, P, K in Leaves of Populus tomentosa Carr. 施肥对毛白杨叶片氮（N）、磷（P）、钾（K）含量影响的研究
