black poplar

基本解释

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 paper introduces the technological process, equipment, technological conditions and preparation results of making chemimechamicalpulp with APSP ultra-short term black poplar of small diameter log.
介绍了APSP超短期黑杨小径材化机浆的流程、设备、工艺条件和研制结果。
The Comparative Trial of some Black Poplar Clones in North of Henan Province
豫北黑杨无性系的生长比较试验
A Primary Report on Cultivation Pattern for Southern Type of Black Poplar
南方型黑杨栽培模式研究初报
Establishment of Site Index Table for Black Poplar in Jiangsu Province
江苏省南方型黑杨地位指数表的编制