The vegetaive organs of Hippophae rhamnoies were studied The results showed that the primary xylem of its stem ane leaf has shield-like hair, The small leaf and thick cuticle have close relation with its drought-resistant.
其结果表明,根的初生木质部为二原型;茎、叶表皮细胞均分布有盾状毛,而且叶片小、角质层厚等与植物抗旱性有密切关系。
The part of the primary xylem that differentiates after the protoxylem and is characterized by broader vessels and tracheids.
后生木质部初生木质部中不同于原生木质部的一部分，以更宽的导管和管胞为特征
Protoxylem The PRIMARY XYLEM elements that are formed from the procambium first.
原生木质部：初生木质部的成分，最早由原形成层形成。
Primary xylem Xylem derived from the procambium in the young plant.
初生木质部：指幼嫩植物中来源于原形成层的木质部。
The results indicated that the protoxylem of Cajanmus cajan in the main root was mostly tetrarched,less pentarched and hexad.
结果表明:木豆主根的初生木质部多为4原型,少数3原型;
shows that of all types casparian strip exits in endodermis and evident pith does in young root; primary xylem is exarch and tetrarch;
结果表明:内皮层都具有凯氏带,幼根均具有明显的髓,初生木质部均为外始式四原型;
The stele includes all primary tissues derived from the procambium consists of pericycle,phloem and xylem.
中柱包括从原形成层衍生而来的全部初生组织，由中柱鞘、韧质部和木质部组成。
The first formed xylem that differentiates from the procambium.
原生木质部最先形成的木质部，与原形成层不同
low-growing woody shrub or perennial with woody base.
一种矮生的木本灌木或多年生灌木，具有木质基部。
Robinia Xylem Embolism and Its Ecophysiological Characteristics;
刺槐木质部栓塞与生理生态特性研究
Observation and Study of Vessel Elements of Secondary Xylem in Bombax malabaricum;
木棉Bombax malabaricum次生木质部导管分子观察研究
Observation and Study of Vessel Elements of Secibdart Xylem in Aquilaria Sinensis;
白木香Aquilaria sinensis次生木质部导管分子观察研究
The Study of the Cell Structure in the Secondary Xylem in Three Invasive Plant Varities
3种入侵杂草次生木质部的细胞结构
The Preliminary Study on Mesozoic Hydrocarbon Character in the Eastern Part of Qaidam Basin
柴达木盆地东部中生界含油气性初步研究
North American elm having rough leaves that are red when opening; yields a hard wood.
生长于北美洲，叶面粗糙，初时呈红色，；木质坚硬。
Study on the Adsorption Behaviors of Two Alkaloids on the Spherical Lignin Resin Absorbent
球形木质素树脂对两种生物碱吸附的初步研究
Secondary xylem consists of pitted vessels, parenchyma fibers and rays.
次生木质部由孔纹导管、薄壁组织及射线所组成。
Comparative Studies on Secondary Xylem in Root and Stem of Schisandra sphenanthera
华中五味子根、茎次生木质部的比较解剖
Petroleum Geology of Mesozoic Erathem in the North Depression of Tarim Basin
塔里木盆地北部坳陷区中生界石油地质特征
