查询词典 velamen

In terms of water economizing effect, mantles of velamen have better effect than cortex, then stones come the third.

从节水效率讲覆膜的高于覆盖树皮，覆盖树皮高于覆盖石子。

Candidum roots and AR-18,and the biological functions of endomycorrhiza were also discussed. Strain AR-15penetrated the exodermal passage cells through the velamen cells where pelotonsformed and further infected the cortical cells.

金钗石斛根及其菌根的显微结构研究表明，金钗石斛具有典型的兰科植物根的结构，在金钗石斛的根中有大量根毛存在。

The exterior of root system of Melilotodes in adult period mostly covers a flat thick"velamen"in the course of growth and development. The polysaccharide in the interior of root system lies in secondary phloem and secondary xylem and xylem ray ,which distributes uniformity.

在生长发育过程中，生长5年的扁蓿豆成株大部分根系外面覆盖了一层厚厚的"根被"，其根系内部多糖存在于次生韧皮部和次生木质部及木质射线中，颗粒在细胞中分布较均匀。

Pinhole camera is used in this system and the defense device is built in. The introduction of isolated layer make the pinhole camera departs from high temperature and high pressure. Special active velamen is added to the camera to keep it clean and resist the dirt.

采用小镜头并装置防护壳，引入真空隔离层，使摄像头与高温、高压隔离，镜头上增设特殊的活性膜，可保持镜头的清洁，防止油污。

Based on one new preservation solution which is made from carboxymethyl chitosan and sucrose for cut Gerbera flower , an effective research of preservative effect for extending vase life of cut gerbera flower is proposed in this paper, which is by exploring the percentage of moisture, pH and relative permeability of velamen to the petal organizations.

采用羧甲基壳聚糖溶液和蔗糖溶液配制成保鲜液保鲜非洲菊切花，通过对花瓣组织含水率、pH值和膜相对透性的测定，研究保鲜液对对非洲菊鲜切花瓶插寿命的影响。

The exterior of root system of alfalfa in adult period hasn't velamen. The polysaccharide in the interior of root system lies in partial secondary phloem and xylem ray of secondary xylem, which doesn't distribute uniformity.

这与苜蓿有差别，苜蓿成株根系外侧没有"根被"，且根系内部多糖存在于部分次生韧皮部和次生木质部的木质射线中，分布不均匀。

Results 100 cases were of pancreas edema; illegibility around it; the structure is damaged; some spots and small pieces in the low density parts can be found; the pancreas pipes were enlarged; the parts of tendon velamen in front of the kidney were mangled.

结果：100例患者CT表现胰腺肿胀，胰周边界不清，结构不完整，实质内点状、小片状低密度区，胰管扩张，肾前筋膜受侵，尤其是左侧肾前筋膜。

There were so huge roots and rhizome system under ground that they could absorb water from deep soil; Stems and leaves on ground could decrease water loss. The huge biomes of G.uralensis had strong drought resistance superiority. In the same time, drought stress significantly restrained the growth of G.uralensis. On the contrary, in some extent, drought stress could improve the growth of roots under ground and resulted in increasing the rate of root/shoot; moreover, made the color of velamen become red and enhanced the output and the quality.

主要结论如下：(1)在形态与生长反应方面，观察发现甘草地下和地上两部分都具有适应干早环境的特征，地下有庞大的根和根茎系统，吸水能力很强，地上茎叶形态表现出很强的节水能力，并且甘草群体抗旱优势很强；同时也观测到干旱对甘草地上茎叶生长抑制较为明显，但在一定程度上对地下根系生长起到了促进作用，导致根冠比增大、根皮颜色变红，即在产量和质量方面都有了很大地提高。

Candidum root and surrounded it, and later penetrated the velamen cells.Or mycorrhizal fungus penetrated the exodermal passage cells through the velamencells and further infected the cells of cortex, and then formed pelotons in the corticalcells.

真菌AR-15由根被侵入外皮层通道细胞，在外皮层通道细胞内形成菌丝结，进一步向皮层细胞侵染，从而形成内生菌根，紧靠外皮层的皮层细胞具有多个细胞核和核仁，还发现细胞核正在进行穿壁运动。

For assisting identification of crude drug Herba Dendrobii. Methods Morphological and histological studies were carried out on 11 medicinal plant roots in Dendrobium Sw. by microstructural observation. The 11 species were divided into three groups according to their stem morphology: a pair fleshy-stem group, including D. chrysanthum, D. crepidatum, D. primulinum, D. hercoglossum, and D. crystallium; b thick-and rigid-stem group, including D. fimbriatum and D. aurantiacum var. denneanum; c node-or inter- node- bulgy-stem group, including D. findlayanum, D. gratiosissimum, D. pendulum, and D. wardianum. The surface descriptions of velamen were conducted for D. fimbriatum and D. aurantiacum var. denneanum which are similar in characters of cross section.

方法利用形态组织学方法，对茎多肉质的束花石斛Dendrobium chrysanthum及其易混的玫瑰石斛D.crepidatum、报春石斛D.primulinum、重唇石斛D.hercoglossum、晶帽石斛D.crystallium；茎粗硬的流苏石斛D.fimbriatum及其易混的叠鞘石斛D.aurantiacumvar.denneanum；茎节或节间肿胀的棒节石斛D.findlayanum、杯鞘石斛D.gratiosissimum、肿节石斛D.pendulum和大苞鞘石斛D.wardianum共11种药用石斛根进行显微结构研究；对根横切面结构相似的流苏石斛和叠鞘石斛，配合进行了根被表面制片观察。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。