您要查找的是不是：
- scalariform tracheid 梯纹管胞
- Thread, hole patterns and Reticulate smaller catheter and tracheid. 见放射状条纹。See radial stripes.;螺纹、孔纹和网纹导管及管胞较小。
- Tracheid An elongated xylem conducting element with oblique end walls. 管胞：具有倾斜端壁的延伸的木质部运输分子。
- There were two types of vessel perforation plates, simple perforation one and scalariform plant. 一端是梯状穿孔板,另一端为孔纹增厚的导管;
- Tylose A bladderlike ingrowth from a parenchyma cell into an adjacent tracheid or vessel through a paired pit. 侵填体：薄壁细胞向内生长的泡状物通过纹孔伸入相邻的管胞或导管形成的结构。
- Spur of the great marrow, pulp tissue is often full of thick red crystal, tracheid also larger. 所以，仔细观察这些痕迹，可以对该铃技的年龄及历年的生长结实状况作出初步判断。
- Vascular bundle have not cambium layer, vessel, and spiral tracheid as well.Only sieve element. 维管束无形成层，无导管，也不具有螺纹管胞，只有筛分子。
- The R-test shows that the scalariform and scalariform group anomalies are corresponding well to the medium and strong earthquake around. 通过R检验，认为晋2井动水位阶变异常与周围显著地震以及阶变组异常与周围中强以上地震均存在较好的对应关系。
- Fiber-tracheid An elongated cell with bordered pits found in wood, intermediate in form between a fiber and a tracheid. 纤维管胞：木材中具有具缘纹孔的细长细胞，是纤维和管胞的中间类型。
- A new adaptive slicing algorithm has put forward, which combines the rate of area change with scalariform error for computing the layer thickness. 本文软件在编写过程中提出了两个创新的算法：其一是提出自适应分层层厚算法；
- A kind of silicified fossil wood with mixed pits on the radial tracheid wall is described. 报道了一种具混合型纹孔(互列式纹孔和对列式纹孔)的化石木。
- It is thought to act like a valve, sealing the pit when the pressure on the two sides is unequal, e.g. when an adjacent tracheid is damaged. 它的作用相当于一个瓣膜，当纹孔两侧的压力不相同时，可以封闭纹孔。例如：当邻近的管胞被破坏就会出现压力相异的情况。
- The prophase variation curve of proportion of tracheid appeared as "Trapezoid" and the latter variation curve appeared as "V" from pith to outward. 树脂道比量由髓心向外，开始缓慢下降，然后迅速上升达最大值后又迅速下降。
- The relationship between the proportion of wood ray, the proportion of resin and the proportion of tracheid was significant. 术射线比量、树脂道比量和管胞比量都受到中等水平的遗传控制，无性系重复力分别是：0.;571、0
- Among the seed sources the timber air-drying density, mechanics intensity and the tracheid wall ratio were not significant different. 湿地松不同种源木材气干密度、抗弯强度、抗弯弹性模量、顺纹抗压强度与冲击韧性的广义遗传力分别为0.;3927、0
- Genetic variations of growth traits, wood basic density and tracheid length of Chinese fir clones were investigated in this paper. 摘要对杉木无性系生长性状、木材基本密度和管胞长度的遗传变异进行了研究。
- The transition age between the 2 wood zones was at the 25th growth ring for red pine specific gravity arid at the 33rd growth ring for Taiwan red-cedar tracheid length. 其林龄，红松以比重方法求得者为25年，台湾红桧以管胞长决定者为33年。
- Only vessels were observed in Selaginella sanguinolenta and Selaginella pulvinata, including two types of scalariform perforation plates and reticulate-scalariform perforation plates. 圆枝卷柏、垫状卷柏仅观察到导管，有梯状穿孔以及网状-梯状混合型穿孔2种类型。
- In this paper, 12 years old Chinese Fir clones were studied on the genetic variation of growth properties, basic density and tracheid morphological characteristics. 本文综合研究了12年生杉木无性系试验林的生长性状、基本密度和管胞形态的遗传变异规律。
- Longer tracheid length，bigger tracheid diameter，thicker tracheid walls，smaller microfibrillar angles are the characteristics of the mature wood compared with those of the juvenite wood. 池杉成熟材的管胞长度、直径、壁厚比幼龄材大，纤丝角小；
