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- I eulogize the tall and straight trunk of the white poplar. 我赞美白杨树那挺拔的树干。
- Praise of White Poplar is a famous essay of Mao Dun. 《白杨礼赞》是茅盾先生的散文名篇。
- White poplar, the creature far from banality, merits all my eulogy. 白杨树实在是不平凡的，我赞美白杨树。
- Mechanism of 2n pollen occurring in Chinese white poplar. 毛白杨未减数2n花粉发生机制的研究
- The white poplar is no ordinary tree. Let me sing its praises. 白杨树实在是不平凡的，我赞美白杨树!
- INTRODUCTION :The elegant girl stands there quietly like a small white poplar. 作品简介:女孩静静地站在那儿，就象一棵小小的白杨轻盈飘逸。
- The leaf of White poplar: The purpose is persevering. The posture is upright. 白杨叶：坚毅卓绝，奋斗不息的意志；
- Thecolor of sapwood of Chinese white poplar among trees has significant difference. 毛白杨边材材色株间存在显著差异。
- Especially,the survival ratio of shoot cuttage(96.4%)was higher than the Chinese white poplar(38.2%). 该嵌合体扦插成活率远高于毛白杨（38.;2%25），达96
- In Beijing area,it is very difficult to roise seedlings of Chinese white poplar from seeds due to their abortion. 在北京地区,由于毛白杨种子败育,因而以播种的方法获得实生苗非常困难。
- The extract of Chinese white poplar root was used to treat the seeds of soybean,corn,wheat,peanut and weeds. 用毛白杨根系提取液处理大豆、玉米、小麦、花生和常见田间杂草的种子,进行发芽试验,研究毛白杨是否存在他感作用。
- Species whith strong resistance such as I 69/55,I 72/58 and Chinese white poplar show high values in the three index. 田间表现抗病的品种 ,如 I-69/5 5、I-72 /5 8和毛白杨 ,其上述三项指标高 ;
- The sun (2) new breakthrough of project of development of implementation triploid Chinese white poplar. 太阳（2）实现三倍体毛白杨开发工程新突破。
- Antisense CCoAOMT cDNA and 4CL cDNA had been transformed into triploid Chinese white poplar mediated by Agrobacterium tumefaciens. 通过农杆菌(Agrobacterium tumefaciens)介导，将反义CCoAOMT cDNA和4CL cDNA转入三倍体毛白杨。
- The results of PCR and PCR-Southern conformed that the transgenes had integrated into the triploid Chinese white poplar. PCR，PCR-Southern检测证实，外源基因已整合到三倍体毛白杨基因组中。
- The seedlings arised from shoot crttage consisted of three types:Chinese white poplar similitudes (88%),simon poplar(2.6%)and chimera(9.4%). 扦插成苗后发生分离，其中88%25为类似毛白杨，2.;6%25为杂杨，9
- For poplar 84K the optimal selecting pressure for both adventitious bud and root induction were 20 mg/L, while 15 mg/L for triploid white poplar. 确定了84K 杨和三倍体毛白杨叶片芽诱导卡那霉素临界筛选浓度分别为20 mg/L和15 mg/L;
- In this study, antisense CCoAOMT cDNA were transformed into triploid Chinese white poplar mediated by Agrobacteriumtumficense. 通过农杆菌介导法，将反义表达载体APCoA转化三倍体毛白杨。
- Transformed plant of triploid Chinese white poplar was confirmed by the shape characteristic, agropine analysis, PCR analysis. 分别从形态特征差异、PCR检测、冠瘿碱检测三个方面对三倍体毛白杨转化植株进行了鉴定。 表明Ri质粒的T-DNA已整合进再生植株中。
- Proved by the experiment the regeneration rate of Chinese white poplar of triploid reach 20% by this optimum regeneration system . 经实验证明，该系统对三倍体毛白杨的诱导再生率达20%25。
