查询词典 poplar

In this paper, poplar wood injected with unsaturated alkene monomers was used as testing materials to prepare WPC.

以速生杨木为试材，并通过向试材中注入不饱和烯烃类单体；用正交试验的方法，分析了真空度、真空时间、浸注压力和加压时间4因素对木材留存率的影响来初步判断实现速生杨木的木塑复合材的有效工艺。

One afternoon, they amble down a dusty, poplar-lined street to a market and watch old women haggle over seeds.

一天下午，他们遛了一个尘土飞扬，杨树成荫的街道向市场和观看老年妇女讨价还价的种子。

Hebei use of state-owned forest primeval forest, as well as Russia's high-quality Ash tree, birch, poplar, oak for the production of raw materials, with a production history of more than 10 years old timber processing enterprises.

采用鹤北国有林区以及俄罗斯原始林的优质树种水曲柳、桦木、杨木、柞木为生产原料，是一家具有10多年生产历史的老牌木材加工企业。

National Forestry Corporation to policy-oriented and give full play to the advantages of private enterprises, and take the road of combination, the introduction of new varieties Poplar, gold-banded fast-growing grass, Atriplex canescens and other high-tech eco-products, and a large area throughout the country Promotion, a high starting point, high standard construction of fast growing high-yielding forest and pasture resources base, to the development of an investment recovery period is short, quick, significant benefits of the green industry, thus promoting regional economic development.

公司以国家林业政策为导向，充分发挥民营企业的优势，走强强联合之路，引进了新品种速生杨、天香速生牧草、四翅滨藜等高科技生态产品，并在全国范围内进行大面积推广，高起点、高标准建设速生丰产林及高产牧草资源基地，力求发展一个投资回收期短、见效快、效益显著的绿色产业项目，从而促进地区经济发展。

He was 17, could barely speak Mandarin and was awestruck by the straightness of the city's poplar-lined roads.

那年他17岁，说着满腔生硬的普通话，惊讶于宽阔的城市道路和大楼。

Moored under the trees of Charleville Mall Father Conmee saw a turfbarge, a towhorse with pendent head, a bargeman with a hat of dirty straw seated amidships, smoking and staring at a branch of poplar above him.

32在查尔维尔林荫道的树底下，康米神父瞅见一艘泥炭船，一匹拉纤的马低垂着脑袋，头戴脏草帽的船老大坐在船中央，抽着烟，目不转睛地望着头顶上一根白杨树枝。

In addition, we compared the codon preferences among poplar, Arabidopsis thaliana, Oryza sative, Homo sapi- ens and Escherichia coli, and poplar was found to be most similar to A.thaliana and least similar to E.coli.

将杨树的密码子使用频率与拟南芥、水稻、大肠杆菌和人等不同模式生物种比较后发现，杨树密码子的偏爱性与同为双子叶植物的拟南芥最为相似，与人和大肠杆菌之间的差异较大。

After using the forestation method of spray sowing and inserting dry seedlings, the area of fouryearnaturalregeneration poplar and willow has taken up 5 percent of controlled area, with the area of artificialspraysowing poplar and willow taking up ten percent and the area of artificialspraysowing shrub and herbage ta...

采用喷播和深松插干造林方法，4年天然更新的杨树和柳树占治理面积的5%左右，人工栽培的杨树和柳树占10%，人工喷播的灌木、牧草占10%。在沙丘上部植被覆盖度由10%～15%增加到40%～50%，丘间低地和风蚀洼平地由50%～60%增加到75%～85%。流动沙丘初步恢复为疏林草地型固定与半固定沙丘。

It eventually lost to the Tulip Poplar (also called Yellow Poplar or Tulip Tree) in 1994 but still retained the title of unofficial Kentucky state tree.

&它最终败给了杨树郁金香(又称郁金香树或杨树黄色)，但仍保留了1994年授予他&非官方肯塔基州树

Poplar(Populus cv.I4551 from France and Populus deltoids cv.I-69/55 from China) was chosen as plant material,because poplar is known to have a characteristic tension wood with G-layer and to produce a high longitudinal stress.

本研究选择杨树(从法国采的Populus cv.I4551和从中国采的Populus deltoids cv.I-69/55)作为实验材料，因为杨树中很容易产生有胶质纤维的应拉木并伴有大的纵向生长应力；另外，杨树也是一个在全球都非常重要的速生人工林树种。

I smile at your play with that little bit of a broken twig.

我微笑着看你玩那一段小小的树枝。

They may be produced for almost any shaft angle.

他们可能在制作中几乎任何一个轴角。