Populus nigra

常见例句

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