绵

Young culm internodes thinly white powdery, sparsely deciduously white hairy; culm sheath blade abaxially glabrous.

稀少，稀疏白色敷粉的节间的年轻秆白色有毛；竿箨叶片背面无毛。 58 B。 intermedia 绵竹

Fertile stamens 3, in a few flowers only anterior 2 fertile, posterior 1 depauperate or absent, often anterior 2 also depauperate; filaments densely white lanate; staminodes 3; antherodes 3-sect. Capsule ovoid, 1.5--1.7 cm, acute at apex.

能育雄蕊3，在数花内只前面的2枚能育，后面1发育不全或无，通常前面2也发育不全；花丝浓密的白色绵状毛；退化雄蕊3；退化花药 3全裂；蒴果卵球形，1.5-1.7厘米，锐尖的在先端。

Corolla yellow, ca. 1 cm in diam. Stamens 4, didynamous; filaments woolly; anthers reniform.

花冠黄，直径约1厘米雄蕊，二强雄蕊；花丝具绵状毛；花药肾形。

Host alterations of the root aphid, Tetraneura nigriabdominalis, among four host plants ( Eleusine indica , Oryza sativa , Zea mays , and Sorghum bicolor ) were studied by comparing adult longevity, fecundity, and population parameters in the laboratory.

於实验室中，研究粗长毛禾根绵蚜 Tetraneura nigriabdominalis (Sasaki 在四种寄主植物(牛筋草 Eleusine indica 、水稻 Oryza sativa 、玉米 Zea mays 及高粱 Sorghum bicolor )转移对其成蚜寿命、繁殖率及族群介量之影响。

Harmonias axyridis is one of important predatory natural insect for controlling Eriosoma lanigerum in apple orchards.

异色瓢虫是苹果绵蚜的主要捕食性天敌昆虫，其在苹果园的初发期在2~3月，高峰期在3~4月。

To study the interaction between Eriosoma lanigerum and apple trees, olfactory response of the aphid to different kinds of apple branches was tested by Y-olfactometer and volatiles from the branches were extracted with HS and measured with GC-MS. The result showed that E.

为探讨苹果绵蚜与苹果树的互作关系，用Y形嗅觉仪测试该虫对不同苹果品种枝条的嗅觉反应，顶空萃取枝条挥发物，并进行GC-MS分析。

From goldfish oocyte of maturation in vitro which was stimulated by 17α-20βpg (17α-hydroxy-20β-dihydroprogesterone), fertilizable ova and normally develeped juueniles were produced.

本研究主要用体外成熟的卵母细胞作为受体，将外源的美洲大绵鳚抗冻蛋白基因注入其生发泡，研究外源基因在金鱼中的整合和表达。

Male flowers: perianth lobes 4 or 5, valvate; stamens 4 or 5; filaments inflexed in bud; rudimentary ovary woolly.

雄花： 花被裂片4或5，镊合状；雄蕊4或5；花丝在芽中内折；不发育子房具绵状毛。

Leaves alternate; stipules early caducous, intrapetiolar, 2-cleft; leaf blade 3-5-veined, often woolly abaxially, margin crenate-serrate; cystoliths punctiform.

叶互生 托叶早落，叶柄内，2半裂；叶片3-5－脉，具绵状毛的通常，边缘具圆齿锯齿；钟乳体点状。

Except for Phragmites australis community,other communities were mainly the dwarf shrubs,semi-bush. Analyse from the number of plants,Ephedraprzewalskii community,Potaninia mongolica maxim community,Kalidium foliatum community and Leguminose community,all were more than 90 percent;Among Reaumuria community,Caragana community and Zygophyllum xanthoxylum community,Nitraria community,the shrub layer was not dominance in the quantity,but herb layer was most of the smaller annual herb.

群落中除芦苇群落以外，其它各群落以矮化的灌木、半灌木为主；从植株数量上分析，膜果麻黄群落、绵刺群落、盐爪爪群落和猫头刺群落的灌木、半灌木均在90%以上；而红砂群落、柠条群落和木霸王群落虽然灌木层在数量上不占主导优势，但草本层大多数是较小的一年生草本。

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。