您要查找的是不是：
- Populus nigra var thevestina 箭杆杨
- Quantity Genetic Analysis of Physiological and Growth Properties for Populus nigra L. 水分胁迫下欧洲黑杨无性系生理和生长指标的数量遗传分析。
- The research results showed that there was low pollution in effluent of high yield (APMP) pulping from Populus nigra. 研究表明短周期速生材意大利杨APMP制浆工艺是一种低污染的清洁生产技术。
- Maked Populu nigra pulp with KP method,the influence of bleaching condition on the quality of the Populu nigra pulp was also carrie d out. 采用KP法制黑杨浆,并研究了不同处理条件下黑杨KP浆的漂白效果。
- Some kinds of acid, such as oxalic acid, sulphuric acid, hydrochloric acid and sulphur dioxide, were used to treat black poplar(populus nigra )APMP respectively. 用草酸、硫酸等对黑杨APMP浆进行酸化处理，研究了酸化对黑杨APMP浆的光致返黄和热致返黄的抑制作用并对其机理进行讨论。
- The light weight printing paper produced from home-made APMP taken Populus nigra as the main raw material can meet the requirements offour-color printing. 以自产的意杨APMP为主要原料,配抄的轻量印刷纸能够满足四色套印的要求。
- Populus nigra L. [医] 黑杨
- Trials of the culture of new clone of populus nigra 黑杨派新无性系造林试验
- southern Populus nigra clone species 南方型黑杨无性系
- "Xiangllng" Populus nigra clones 湘林杨树无性系
- Populus nigra × Populus pyramidalis 新西伯利亚黑杨
- Isolation and Sequence Analysis of MARs from Populus nigra 欧洲黑杨MARs的分离克隆及序列分析
- A Affinity Trial of Artificial Cross-fertilizing for Populus nigra 黑杨人工杂交亲和性试验
- Indoor Phenophase Observation of Cut Flower Branches of Populus nigra 黑杨室内切花杂交花枝物候期观察
- Study on Comprehensive Judgement of Drought-resistance of Populus nigra 欧洲黑杨无性系抗旱性综合鉴定研究
- A Study on the Disease Resistance of Populus nigra in Seedling Stage 欧洲黑杨无性系苗期抗病性测定
- Study on Stable Carbon Isotopic Composition of Populus nigra L.Gene Resource 欧洲黑杨基因资源稳定碳同位素组成特征
- Chenopodium ambrosioides L. var. [医] 美洲土荆芥
- Subyou defined too many globel var! 定义太多的全局变量!
- FUNERAL OF diana, PRINCESS OF WALES var stattitle. 英国王妃戴安娜葬礼。
