您要查找的是不是：
- Betula insignisn. 香桦
- Brainia insignis ( Hook. ) J. Sm. 苏铁蕨
- Brainia insignis (Hook.) J. Sin. 苏铁蕨
- Ceiba insignis (Kunth) Gibbs et Semir. 美丽异木棉
- Betula pendula × B. pendula var. cardica Sok. 欧洲白桦
- 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。
- 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。
- 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。
- Introduction test of Zenia insignis showed that the germination rate had close relation with temperature.The optimal sowing season was from the end of March to the early May. 引种试验表明,翅荚木发芽率与气温密切相关,3月下旬至5月上旬是丽水市播种翅荚木的最适时期;
- 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。
- So, the cold-tolerance trait should be the key factor in Z. insignis provenance selection.The individual selection was the key to cultivate fast-growing fine varieties. 因此，抗寒性等特异性状的选择应该成为翅荚木种源选择的重点，单株选择是培育速生良种的关键。
- 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。
- Current status of the study on seeds resource and propagation of Betula platyphylla Suk. 白桦种源及繁殖的研究现状
- Arimatsu economic timber, Parkinson, Chatham, Betula, Tilia, Green and other species. 经济用材林有松、柏、漆、桦、椴、青等树种。
- In coMpetition with other accoMpanying species, the Betula luMinifera is a predoMinant tree at present. 另外，光皮桦在与其它主要伴生树种的竞争中，目前处于优势地位。
