导管分子

PAL活力与刺槐胚轴或幼茎的维管系统即导管分子的数量和木质化程度增长趋势相一致。

And the activity of PAL coincided with the increasing tendency of the numbers of vessel element in the plumular axis or juvenile stem of robinia and its degree of lignification as well .

大豆属不同进化类型植物导管分子的演化结构研究

Evolutional structure study of vessel element on different evolvement type of glycine

沉香（Aquilariaagallocha）次生木质部导管分子研究

Study of vessel elements of secondary xylem in Aquilaria agallocha

12种豆科植物次生木质部导管分子比较观察

Comparative studies on the vessel elements of 12 species in Leguminosae

苹果短枝型品种导管分子的解剖学研究

Studies on the Anatomy the Vessel Member of Spur type Apple

凹叶厚朴细弱枝与粗壮枝导管分子的比较研究

Comparative studies of vessels of leptos branch and stout branch in Magnolia biloba

导管分子侧壁上的纹孔密度大。

The pit-membrane density on side wall was great .

草珊瑚属导管分子的研究

Studies on the Vessel Elements of the Genus Sarcandra

植物导管分子分化和形成的生理生化机制

The Physiological and Biochemical Mechanism of Tracheary Element Differentiation and Formation in Plants

笃斯越桔根导管分子穿孔板的类型及演化

The Type and Evolution of Vessel Element ' Perforation Plate of Vaccinium uliginosum

藤茎的导管分子研究

A study of vessel elements of rattan canes

极少数的导管分子具有特殊的内含物；

A few vessel elements have special inclusions ;

两梯状穿孔板分别位于同一导管分子相对的侧壁互相对应；

Two scalariform perforations were in the opposite side wall of the same vessel ;

百日草游离叶肉细胞导管分子分化过程中过氧化物酶的催化特性

The Catalytic Features of Peroxidase During Tracheary Element Differentiation of Isolated Zinnia Mesophyll Cells

导管分子穿孔板单穿孔，个别属梯形穿孔偶见，管间纹孔式互列；

Perforation plates simple , occasional scalariform in one genus , intervessel pitting alternate ;

鳄梨导管分子及穿孔板观察研究

Observation and Study on the Vessel Element and Perforation Plate of Secondary Xylem in Avocado

讨论了叶柄导管分子解剖学特征的适应意义。

The adaptive significance of the morphological characteristics of vessel elements in the petiole was discussed .

木莲属的所有种中都有具梯状穿孔板的导管分子，但在少数种中偶然可见到单穿孔。

Manglietia species all have scalariform perforation plates , only a few also have simple perforations .

并且对这些导管分子的构造、进化趋势以及同一导管分子上的特殊结构进行了详细的讨论。

Their conformation , evolutionary trend and special structures in the same vessel are discussed in detail .

根据导管分子演化原理，认为野生大豆导管分子较原始，栽培大豆导管分子的演化地位较高级。

G. soja is primitive and G. max is evolutionary according to the principle of vessel elements evolution .

使用光学显微镜技术，对大豆属不同进化类型植物次生木质部导管分子进行离析。

Using microscopical technique in this experiment , vessel elements of different evolvement type soybean plants have been dispersed .

含笑属植物的导管分子大多具有梯状穿孔板，仅有一种可看到单穿孔板。

In contrast , most of the Michelia species possess scalariform perforation plates and only one with simple perforation .

对其导管分子上的侧壁穿孔板、多穿孔板和纹孔膜残余也进行了描述。

The lateral-wall perforation plates , multiple end walls and pit membrane vestige were also observed in the tracheary elements .

本文对我国木兰科的39种木兰属和含笑属植物次生木质部的导管分子进行了初步分析。

This paper deals mainly with comparative studies on elements of secondary xylem in39 species of Chinese Magnolia and Michelia .

摘要运用细胞图像分析系统及显微照相的方法，对荔枝次生木质部导管分子进行了观察研究。

The vessel elements of secondary xylem in Litchi chinensis are observed and studied by bio-microscope image analysis system and micrography .

结果表明：（1）各供试品种导管分子均为孔纹型导管。

The results indicate : ( 1 ) The vessel cells of the supplied test varieties are all the pitted vessel .

对盐肤木茎进行木材解剖学研究，发现其导管分子穿孔板为单穿孔板。

The study of the stem 's secondary xylem of Rhus chinensis Mill reveals that perforation plate is simple perforation plate .

随着空气相对湿度的增加，导管分子长度和直径均增大，射线频率减小。

With the increase of relative humidity , both length and diameter of vessel element increased , as well as the frequency of rays .

导管分子穿孔板存在着4种类型：两端均为具2个单穿孔的复穿孔板；

Perforation plates could be divided into 4 types : both ends of the vessel element as multiple perforation plates with 2 simple perforations ;

结果表明：单位面积管孔数及导管分子长度与管孔直径成反比；

The results show that the number of pores per square millimeter and length of vessel elements are inversely proportional to the porous diameter ;