Ulmus

Ulmus的基本解释

-

榆属

与Ulmus相关的网络例句 [注：此内容来源于网络，仅供参考]

Ainu used the bark of the Japanese elm Ulmus davidiana to make a strong fiber that was woven into baskets or, with the aid of a backstrap loom, a durable cloth that was the basis for Hokkaido Ainu clothing.

编篮阿伊努人以春榆树皮制作的纤维为原料，编成篮子。或是利用backstrap loom纺织出经久耐用，北海道阿伊努服装最惯常使用的布料。

Ivela ochropoda is one of the main defoliator pest occurred in Ulmus pumila, and is very serious in Wuqi County.

榆毒蛾是榆树的食叶害虫之一，在吴起县发生严重。

Arboreal plant Paulownia fortunei, Ulmus pumila and Broussonetia papyrifera had relatively higher complex ability to accumulate heavy metal.Cedrus deodara, Platanus acerifolia and Ligustrum lucidum also had some complex ability to accumulate heavy metal. These species could be selected as the greenery tree as well as purified tree in the area. Among the herbaceous plants, the accumulation ability of Cynodon dacytlon was better than others.

经对比筛选，木本植物中泡桐、白榆和构树具有较高的重金属综合富集能力，雪松、悬铃木和女贞等树种亦有一定的富集能力，这些树种可被选为该区净化重金属污染的绿化树种；草本植物中，狗牙根的富集能力大大超过其他草本植物。

The selection of Paulownia fortunei, Ulmus Pumila, Broussonetia papyrifera and Cynodon dacytlon in that serious pollution district was the effective restorative method.

因而在Cd、Pb和Zn严重污染的环境中，选择泡桐、白榆、构树和狗牙根的乔木和草本植物组合是该类污染区植物修复的有效途径。

A dicot family of the order Urticales including: genera Ulmus; Celtis; Planera; Trema.

苜蓿目中的双子叶植物科包括；榆树属；朴属；水榆属；山黄麻属。

与Ulmus相关的网络解释 [注：此内容来源于网络，仅供参考]

Ulmus：榆属

1.榆属(ulmus) 叶缘多重锯齿,羽状脉直伸叶缘,下面侧脉常在叶缘处分叉. 花两性,稀杂性. 翅果,果核扁平,具宿萼. 南北均产,多生于石灰岩山地. 木材坚韧,耐朽力强,多为优良用材树;树皮富含纤维及粘液;叶、皮及果可食;为荒山吸"四旁"绿化树种.

Ulmus：榆

可把该区地层由上到下划为三个孢粉组合带:带1(生土层)海金沙(Lygodium)-卷柏(Seleginella)-紫萁(Osmunda)-松(Pinus)孢粉带;带2(文化层)菊科(Compositae)-毛茛科的唐僧草(Thalictrum)孢粉带;带3(文化层上部)海金沙-紫萁-水龙骨科(Polypodiaceae)-榆(Ulmus)-小芘(Berbe

Ulmus：左墙上的棍子

All its twinkling sisters shine... 门边演示架中的海星 | Cedar, laurel, ulmus, beech...左墙上的棍子 | Gracing the oceans, its beauty undenied... 门边演示架中的珊瑚

Ulmus：榆属 榆属

Ulmal 尤马尔铝合金 | Ulmus 榆属 榆属 | Ulmusalata 翼枝长序榆

Ulmus pumila：榆树

[摘要]榆树(Ulmus pumila)疏林灌丛草原是浑善达克沙地植被演替的顶极群落. 但近年来,榆树数量减少、树龄老化严重. 2001-2002年,在浑善达克沙地榆树疏林集中分布地区,选取了轻度(LD)、中度(MD)和过度(HD)3个不同干扰强度的地点进行实地调查.