xylem造句
- 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。 - Stduy on comparative anatomy of secondary xylem in six sonneratia species of mangroves
红树植物木材结构的比较解剖学研究 - Observation on the vessel elements of secondary xylem in jackfruit artocarpus heterophyllus
菠萝蜜次生木质部导管分子观察 - Both xylem and phloem form a continuous branched system in the whole plant body
木质部和韧皮部在植物体内构成一个连续的分支系统。 - 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。 - A comparative study on the structures of the stem secondary xylem of sorbus pohuashanensisand s . alnifoila
水榆花楸茎次生木质部结构比较研究 - Anatomy of the vessel elements and perforation plates in the secondary xylem of casuarina cunninghamiana
细枝木麻黄导管分子及穿孔板解剖学研究 - Flavones formed from xylem stem of dracaena cochinchinensis by co - culture of fungus strain and bacteria strain
真菌共代谢转化龙血树木质形成黄酮类化合物 - It is a key feature in the movement of water through the xylem and through the finer pores of the soil
毛细现象是水份沿木质部和土壤空隙运输的重要特征。 - Dynamic changes in cambial anatomy and xylem cell differentiation of shoots in populus tomentosa
毛白杨枝条木质部细胞分化的动态变化及其与形成层活动的相互关系 - It's difficult to see xylem in a sentence. 用xylem造句挺难的
- Where they occur interspersed with the xylem they may be distinguished from tracheids by their narrower lumen
纤维分布与木质部相似，其狭窄的腔可与管胞区分开来。 - It is an important pathway for movement of these substances outside the xylem , for example across the root cortex
质外体是木质部外方物质运动的一个重要途径，例如物质穿过根冠。 - In the graft combination of at9 on lew2 - 1 , the phenotype of collapsed xylems in the lew2 - 1 stock could be improved greatly
Lew2 - 1为不规则木质部突变体，表型为木质部导管塌陷。 - The correlation between the reducing sugar content in phloem and xylem and the ratio of damaged trees was not close
不同杨树品系韧皮部和木质部的还原糖含量与被害株率没有相关性。 - Such thickening allows extension of the xylem between the rings so that it is not ruptured as the surrounding tissues grow
这样的加厚允许木质部在环间沿展，当周围组织生长时，不会破裂。 - Dynamic changes of lignin deposition in secondary xylem cell wall during secondary xylem differentiation in populus tomentosa carr
人工林毛白杨次生木质部细胞分化过程中木质素沉积的动态变化 - Intrafascicular cambium ( fascicular cambium ) the part of the vascular cambium within the vascular between the xylem and phloem
束中形成层：是位于木质部和韧皮部构成的维管束内的一部分维管形成层。 - Effects of soil bulk density on aba concentration in xylem sap and stomatal conductance of maize zea mays l . plant under different soil water conditions
下层土壤容重对玉米根系生长及吸收活力的影响 - Lumen the central space that remains , surrounded by cell walls , in a cell that has lost its living contents ( e . g . in xylem elements )
胞腔：由细胞壁围成的空腔，其中的活性物质消失（如木质部中的管状分子） 。 - Comparative anatomical studies on the vessel elements in the secondary xylem of juglandaceae from china and discussion on their evolutionary position
国产胡桃科次生木质部导管分子的比较解剖及其系统位置的讨论
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