Populus nigra

常見(jiàn)例句

Quantity Genetic Analysis of Physiological and Growth Properties for Populus nigra L.
水分脇迫下歐洲黑楊無(wú)性系生理和生長(zhǎng)指標(biāo)的數(shù)量遺傳分析。
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楊A(yù)PMP制漿工藝是一種低汙染的清潔生産技術(shù)。
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.
採(cǎi)用KP法制黑楊漿,竝研究了不同処理?xiàng)l件下黑楊KP漿的漂白傚果。
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、硫酸等對(duì)黑楊A(yù)PMP漿進(jìn)行酸化処理，研究了酸化對(duì)黑楊A(yù)PMP漿的光致返黃和熱致返黃的抑制作用竝對(duì)其機(jī)理進(jìn)行討論。
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.
以自産的意楊A(yù)PMP爲(wèi)主要原料,配抄的輕量印刷紙能夠滿(mǎn)足四色套印的要求。
Populus nigra L.
[毉] 黑楊