A quantitative study on flower taxonomic characters of Populus tomentosa.

毛白杨花器分类性状的数量化探讨.

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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.

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The chemical conditions of the APMP pretreatment are also researched.

三倍体毛白杨APMP制浆 工艺的研究;盐土三倍体毛白杨的APMP制浆研究等.

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The osmotic adjustment endowed P. euphratica cell strong tolerance to salt stress.

毛白杨细胞中由于缺乏这种机制,因而其耐盐性比较低.

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Effects of different species and tree age of fast - growing poplar on the APMP properties were investigated.

研究了不同品种、树龄的三倍体毛白杨和中林杨107速生杨为原料的APMP制浆性能.

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Objective : To obtain the fragment related to rooting gene of mutant Populus tomentosa.

目的: 克隆芽变毛白杨生根相关基因片段.

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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%为类似毛白杨,2.6%为杂杨, 9.4% 仍为嵌合体.

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The CesA gene promoter MDCesAP was amplified from triploid Chinese white poplar ( Populus tomentosa Carr. )

从三倍体毛白杨-93 ( PopulustomentosaCarr. ) 中分离得到了MDCesAP这 一木质部纤维素合酶基因启动子.

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