poplar的例句大全

Studies on The Veneer Features of Tension Wood of Poplar ⅰ-69

Ⅰ-69杨旋切单板性能指标的研究

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Content of flavonoid in damaged poplar increase at initial stage, terminal stage and over wintering stage, but decrease at peak stage.

黄酮在危害初期、危害末期和幼虫越冬初期受害植株比健康植株的含量增加，在危害盛期其受害植株含量减少。

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The study on APMP-pulping properties of the young tree of Triploid Chinese Poplar in saline soil

盐土三倍体毛白杨幼树APMP制浆性能的研究

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A Study on the Testing Method of Growing Stock of Timber Assortments of Poplar Industrial Forest

杨树工业用材林材种蓄积量测定方法研究

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The experiments of bio-pretreatment mechanical pulping of poplar wood waste from timber processing were carried out by using the screened bacteria and the fungi reserved in our lab.

以杨木下脚料为原料，利用实验室分离和保存的菌种进行了生物预处理机械法制浆实验。

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Poplar is one of the major forest plantation species in China. Therefore, Poplar plantation forest development and timber processing and utilization will have very important effects on the future relationship between timber supply and demand.

杨树是我国人工林主要造林树种之一，杨树人工林的发展和人工林杨树木材的加工利用对我国未来木材供求关系将产生重要影响。

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Poplar canker is an important forestry disease and reduces timber production and damages virescence seriously in China.

杨树溃疡病是我国林业发展的重要病害，严重影响木材产量和环境绿化。

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The tissue culture system of Cathay Poplar ( Populus cathayana) was developed in the present paper.

建立了青杨（Populus cathayana）组织培养系统。

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The fire retardant property, resistance leachability and chemistry stability of poplar wood modified with fire retardant DPB were determined.

采用阻燃剂DPB对大青杨木材的阻燃性、抗流失性和体积稳定性进行了分析测定、并探讨了DPB作为大青杨木材的阻燃剂的处理效果。

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Effect of mat structure and veneer treatment on warping deformation of multi-ply poplar parquet

板坯结构及单板处理对多层杨木复合地板变形的影响

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Effect of Improved Process on the Brightness and Physical Properties of Poplar SCMP

制浆流程对杨木SCMP白度和物理强度的影响

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Dyeing experiment was conducted to explore the effects of dyeing concentration, dyeing temperature and dyeing time on surface coloration of poplar veneer using poplar I-214 as test material and acid red GR and reactive blue KN-R as reagents.

试材为I-214杨木单板，以染料酸性大红GR和活性艳蓝KN-R为染化试剂，选取染液质量分数、染色温度、浸染时间为考察工艺因子，进行单板染色试验。

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Studies on the Lightfastness of Dyed Veneer of I-214 Poplar

I-214杨染色单板光变色规律的研究

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Study on the relation between cicada oviposition and poplar branches

蚱蝉产卵危害与杨树枝条抗性研究

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The wind set the poplar leaves rustling.

风吹得杨树叶淅淅飒飒直响。

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Effect of knife geometry on the properties of flakes and flakeboard of poplar wood

刀具角度对杨木刨片和刨花板性能的影响

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PF Poplar Flakeboard from Steam-injection-vacuum Pressing Writing Upon Wood Marriage

喷蒸真空热压水溶性酚醛胶杨木大片刨花板

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Study on cold resistance of poplar by ESR spin label

用自旋标记ESR波谱法研究杨树抗寒性

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On the basis of tree edge growth effects, the suitable planting density, reasonable spacing of planting spots and optimum patterns were suggested for poplar plywood plantations.

笔者根据林分边行生长优势原理，提出了杨树胶合板材人工林的适宜造林密度，合理的种植点配置方式和优化的杨粮间作模式，为平原农区发展杨树胶合板材人工林基地提供了依据。

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The effect of tetramethyl ammonium chloride on RAPD amplification in poplar

四甲基氯化铵在杨树RAPD扩增反应中的作用

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