tracheid

tracheid

美 ['tre?k??d] 　英 ['tre?k??d]

• n.【植】管胞
• 網絡假導管；植物管胞；管胞型

詞形變化

復數：tracheids  

英漢解釋

n.

1. 【植】管胞

英英解釋

n.	1. a cell in the trachea of conifers and other gymnosperm plants, with bands of lignin thickening the cell walls and adding structural support

例句

Genetic variations of growth traits, wood basic density and tracheid length of Chinese fir clones were investigated in this paper.

對杉木無性系生長性狀、木材基本密度和管胞長度的遺傳變異進行了研究。

Height, diameter at breast height and volume had a negative genetic correlation with wood basic density and tracheid length.

樹高、胸徑和材積與木材基本密度、管胞長度間以及木材基本密度與管胞長度間呈遺傳負相關。

and wood basic density was not significantly correlated with length and width of tracheid.

木材基本密度與管胞長度和寬度不相關。

Genetic variations on tracheid microfibril angle of 55 Chinese fir clones were investigated.

對55個杉木無性系管胞微纖絲角的遺傳變異進行了研究。

The genetic variations of basic density and tracheid features of 10 Japanese larch clones at 10 years were investigated.

對10個10年生日本落葉松無性系的木材基本密度、管胞參數進行了測定。

Cross-porous network structure of the tracheid and the pit of fir powder were clear.

杉木粉管胞和紋孔的規整有序結構更加清晰；

The Variations of Wood Tracheid Morphological Characteristics and Density of Pinus densiflora Plantation and Natural Forest

人工林與天然林赤松木材管胞形態特征及密度的變異

The Variations of Wood Density and Tracheid Morphological Characteristics of Pinus densiflora in Different Stands

不同林分赤松木材密度及管胞形態特征的變異

Principal Physical Properties and Tracheid Forms of Masson Pine Wood Fertilized in Middle-Age

施肥對中齡馬尾松木材主要物理性質和管胞形態的影響

Study on Genetic Variation of Tracheid Microfibril Angle of Japanese Larch Clones

日本落葉松無性系微纖絲角遺傳變異的研究

Genetic Variation on Tracheid Microfibril Angle of Chinese Fir Clones

杉木無性系微纖絲角遺傳變異的研究

The tracheid form and radial variance of Masson pine in different planting density

不同造林密度對馬尾松管胞形態及其徑向變異的影響

Radical tracheid characteristics of Pinus massoniana for resin tapping

采脂用馬尾松徑向管胞形態特征的研究