您要查找的是不是:
- DISCUSSION ON MATURE AGE AND REGENERATION AGE OF POPULUS GANSUENSIS SHELTERBELTS FOR CROP IN DIFFERENT SOIL TYPES IN HEXI CORRIDOR 河西走廊不同土壤类型二白杨农田防护林成熟龄和更新龄的探讨
- Populus gansuensisn. 二白杨
- Triploid clones of Populus tomentosa Carr. 三倍体毛白杨
- Populus alba L. var. pyramidalis Bunge. 新疆杨
- 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。
- The Geographic Distribution and Origin of Populus L. 杨属地理分布与起源初探。
- Fig.1. Shoot primordia on the callus of Populus eupheratica. 对愈伤组织继代培养与不定芽再生的关系进行了研究,结果见图1。
- Oxygen delignification of populus kraft pu1p is studied. 进行了杨木硫酸盐浆氧脱木素的研究。
- 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。
- The Deepfreeze and Sowing Seeds Technology of Populus euphratica Oliv. 胡杨种子冷藏及播种技术。
- The Tissue Culture Techniques of Populus alba L. Var. Pyramidalis Bge. 新疆杨组织培养技术。
- 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。
- Variations of fiber forms of populus tomentosa Carr. Triploid clones. 三倍体毛白杨纤维形态变异的研究。
- 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
- Title: The Deepfreeze and Sowing Seeds Technology of Populus euphratica Oliv. 关键词:胡杨;种子;冷藏技术;播种技术
- Poplar(Populus deltoides) veneers were used to make plywood for concrete forms. 采用浸胶玻璃纤维布强化方法制造杨木胶合板模板。
- Argyrodes gansuensis sp. nov.n. 甘肃银斑蛛
- Effects of fertilizer treatments on seedling growth and cold resistance of triploid Populus tomentosa. 不同施肥处理对三倍体毛白杨苗木生长及抗寒性的影响。
- To determine the levels of mRNA expression of angiotensin-converting enzyme 2(ACE2) and angiotensin-converting enzyme(ACE) in doxorubicin(DOX)-induced rat cardiomyopathy treated with Radix astragali gansuensis. 用RT-PCR法探讨甘肃黄芪对阿霉素(DOX)心肌病大鼠模型心肌组织中血管紧张素转换酶2(ACE2)mR-NA、血管紧张素转换酶(ACE)mRNA的表达的影响;
- A Diversity Study of Rhizosphere and Endophytic Fungi from Populus euphratica Oliver. 胡杨根际真菌与内生真菌多样性研究。
