您要查找的是不是：
- Betula delavayin. 高山桦
- Sapindus delavayi (Franch.)Radlk. 川滇无患子
- Docynia delavayi(Franch.)Schneid. 云南栘木衣
- A NEW ALKALOID FROM CORYDALIS DELAVAYI FRANCH. 丽江紫堇的新生物碱。
- Betula pendula × B. pendula var. cardica Sok. 欧洲白桦
- Studies on chemical constituents of Paris delavayi Franch. 金线重楼的化学成分
- Studies on the Chemical Constituents of the Leaves of Betula platyphylla Suk. 白桦叶化学成分的研究
- The microwave-assisted extraction(MAE) of betulin from Betula platyphylla Suk. 利用均匀设计法优化了微波辅助提取白桦树皮中桦木醇的工艺。
- Diffuseporous wood is seen for example in yellow birch (Betula lutea). 加拿大桦（黄桦）的木材即为散孔材。
- Carbon storage of and Betula albo-sinensis were higher than other three types. 锐齿栎、油松主要分布于中低海拔地带；
- Toadstools were collected from a range of pure stands of Betula and Pinus both in Britain and the U.S.A. 从英国和美国一系列桦木和松树纯林中收集蕈体。
- Paeonia delavayi, an endemic species to Southwestern China, was protected as a vulnerable plant in China. 摘要滇牡丹是中国西南的特有植物，在中国植物红皮书中将其定为渐危种而列为国家二级保护植物。
- A pair of primers was designed based on the analysis of MADS3 from Betula petulla and AP1 from Arabidopsis thaliana. 在分析了欧洲白桦MADS3与拟南芥AP1中的保守性后,设计了一对引物。
- Rhododendron delavayi Franch is an important constructive and dominant species of evergreen and broadleaf forest in Bali Azalea Forest Park. 马缨杜鹃(Rhododendron delavayi Franch)是百里杜鹃森林公园常绿阔叶林群落组成中主要的建群种和优势种。
- The fluctuant and conventional drying technologies for22 mm-thick Birch( Betula platyphylla) were tested and compared. 进行了桦木波动干燥工艺和常规干燥工艺的对比试验。
- The C-banding patterns in 8 populations of Paeonia delavayi var. lutea were investigated by using a modified BSG technique. 应用BSG方法对黄牡丹（Paeonia delavayi var.;lutea）8个居群的Giemsa C-带进行了比较研究。
- We still skim the backwaters of ponds and streams for the seed of Betula, Acer Salix and Populus species. 我们仍然要在池塘的静水上和溪流中捞取桦木，槭树、杨、柳等树的种子。
- The genetic variations of seedling traits among open-pollinated families of plus trees of Betula luminfera H. Winkl. 光皮桦优良单株自由授粉子代苗期性状的遗传变异。
- Betula ermanii and Alnus mandshurica predominated in the colonizing woody species on forest boundaries. 林缘入侵物种主要由岳桦和东北赤杨组成。
- The optimal extraction conditions of Stephania delavayi Diels were as follows: refluxing and extracting with 9-fold 95% alcohol(pH=4.5) for two hours twice. 综合考虑各种因素;金不换总生物碱的最佳提取工艺为9倍量p=4.;5 95%25乙醇提取2次;每次2小时
