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杨树

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The effect of the angle on the basic density of the reaction wood: The basic density of poplars and pines in the reaction wood area are both larger than the opposite wood area in different angles.

倾斜角度对应力木基本密度的影响:不同倾斜角度下杨树、火炬松应力木区基本密度均大于对应木区基本密度。

Results showed that the reducing sugar content in phloem was much higher than that in xylem, and a significant difference was found in the phloem of different poplar strains.

结果表明:各杨树品系木质部的还原糖含量远远低于韧皮部的含量,且韧皮部的还原糖含量差异显著。

Ten secondary metabolites in phloem of different strains of poplars were extracted by different chemical methods and their contents were determined.

摘要通过不同化学方法提取并分析了不同品系杨树韧皮部10种次生代谢产物的含量及含量差别,研究了不同制样方法对单宁、酚类及酚酸产物含量提取结果的影响。

It is explained that all the plants have the phototaxis. It';s especially obvious for the poplars. Because of the different positions and conditions, some saplings are tall, while some are short.

树林的整体走向是四周低,中间高,北边高,南边低,有人解释说:这是因为植物都有趋光性,杨树尤其明显,由于位置不同、条件不同,自然小树有高,有矮。

In my own practice, I think it not advisable at all to read poplar novels.

在我自己的实践,我认为并不适宜杨树读小说。

Poplar tree, because there are so many happy, it is all forgotten his wounds yesterday.

这棵杨树,因为有这么多的快乐,它全忘记了他昨日的创伤。

Another kind to consider is the poplar.

另一种可以考虑的树木是杨树

This poplar has grown up a lot in the last few months.

这棵杨树近几个月来长高了许多。

As a model plant, Poplar has played an important role in the basic

杨树在木本植物的基础和应用研究中占有重要的地位。

Studies on tissue culture and gene engineering of poplar.

杨树的组织培养及其基因工程研究。

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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。

A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。